Adding upstream version 1:2.6.4.upstream/1%2.6.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

457 files changed, 191292 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..da666b8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,91 @@
+# files generated by autoconf, automake, autoheader and libtoolize
+aclocal.m4
+autom4te.cache
+compile
+config.guess
+config.sub
+configure
+depcomp
+install-sh
+libtool
+ltmain.sh
+Makefile.in
+missing
+support/include/config.h.in
+aclocal/libtool.m4
+aclocal/ltoptions.m4
+aclocal/ltsugar.m4
+aclocal/ltversion.m4
+aclocal/lt~obsolete.m4
+# files generated by configure
+confdefs.h
+config.cache
+config.log
+config.status
+conftest
+conftest.c
+conftest.cpp
+conftest.er1
+conftest.err
+.deps
+Makefile
+support/include/config.h
+support/include/stamp-h1
+# file generated during compilation
+*.o
+*.lo
+*.la
+*.pc
+.libs
+lib*.a
+test-driver
+tools/rpcgen/rpcgen
+tools/rpcdebug/rpcdebug
+utils/blkmapd/blkmapd
+utils/exportfs/exportfs
+utils/idmapd/idmapd
+utils/lockd/lockd
+utils/mount/mount.nfs
+utils/mountd/mountd
+utils/exportd/exportd
+utils/nfsd/nfsd
+utils/nfsstat/nfsstat
+utils/nhfsstone/nhfsstone
+utils/rquotad/rquotad
+utils/rquotad/rquota.h
+utils/rquotad/rquota_xdr.c
+utils/showmount/showmount
+utils/nfsdcld/nfsdcld
+utils/nfsdcltrack/nfsdcltrack
+utils/statd/statd
+tools/locktest/testlk
+tools/getiversion/getiversion
+tools/nfsconf/nfsconf
+tools/nfsrahead/nfsrahead
+tools/nfsrahead/99-nfs_bdi.rules
+support/export/mount.h
+support/export/mount_clnt.c
+support/export/mount_xdr.c
+support/include/mount.h
+support/nsm/sm_inter.h
+support/nsm/sm_inter_clnt.c
+support/nsm/sm_inter_svc.c
+support/nsm/sm_inter_xdr.c
+support/include/sm_inter.h
+support/reexport/fsidd
+tests/nsm_client/nlm_sm_inter.h
+tests/nsm_client/nlm_sm_inter_clnt.c
+tests/nsm_client/nlm_sm_inter_svc.c
+tests/nsm_client/nlm_sm_inter_xdr.c
+utils/nfsidmap/nfsidmap
+utils/nfsref/nfsref
+systemd/nfs-server-generator
+systemd/rpc-pipefs-generator
+systemd/nfs-config.service
+systemd/rpc-gssd.service
+# cscope database files
+cscope.*
+# generic editor backup et al
+*~
+# file generated by ctags
+tags
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..941c87d
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
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+  When we speak of free software, we are referring to freedom, not
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+distribute copies of the software, or if you modify it.
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+(2) offer you this license which gives you legal permission to copy,
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+
+		            GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
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+language.  (Hereinafter, translation is included without limitation in
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+Activities other than copying, distribution and modification are not
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+running the Program is not restricted, and the output from the Program
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+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
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+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
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+along with the Program.
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+You may charge a fee for the physical act of transferring a copy, and
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+    when run, you must cause it, when started running for such
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+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
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+with the Program (or with a work based on the Program) on a volume of
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+infringement or for any other reason (not limited to patent issues),
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+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
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+may add an explicit geographical distribution limitation excluding
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+countries not thus excluded.  In such case, this License incorporates
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+
+  9. The Free Software Foundation may publish revised and/or new versions
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+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
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+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
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+
+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		            END OF TERMS AND CONDITIONS
+
+	        How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..b42a17a
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,182 @@
+Basic Installation
+==================
+
+   These are generic installation instructions.
+
+   The `configure' shell script attempts to guess correct values for
+various system-dependent variables used during compilation.  It uses
+those values to create a `Makefile' in each directory of the package.
+It may also create one or more `.h' files containing system-dependent
+definitions.  Finally, it creates a shell script `config.status' that
+you can run in the future to recreate the current configuration, a file
+`config.cache' that saves the results of its tests to speed up
+reconfiguring, and a file `config.log' containing compiler output
+(useful mainly for debugging `configure').
+
+   If you need to do unusual things to compile the package, please try
+to figure out how `configure' could check whether to do them, and mail
+diffs or instructions to the address given in the `README' so they can
+be considered for the next release.  If at some point `config.cache'
+contains results you don't want to keep, you may remove or edit it.
+
+   The file `configure.in' is used to create `configure' by a program
+called `autoconf'.  You only need `configure.in' if you want to change
+it or regenerate `configure' using a newer version of `autoconf'.
+
+The simplest way to compile this package is:
+
+  1. `cd' to the directory containing the package's source code and type
+     `./configure' to configure the package for your system.  If you're
+     using `csh' on an old version of System V, you might need to type
+     `sh ./configure' instead to prevent `csh' from trying to execute
+     `configure' itself.
+
+     Running `configure' takes awhile.  While running, it prints some
+     messages telling which features it is checking for.
+
+  2. Type `make' to compile the package.
+
+  3. Optionally, type `make check' to run any self-tests that come with
+     the package.
+
+  4. Type `make install' to install the programs and any data files and
+     documentation.
+
+  5. You can remove the program binaries and object files from the
+     source code directory by typing `make clean'.  To also remove the
+     files that `configure' created (so you can compile the package for
+     a different kind of computer), type `make distclean'.  There is
+     also a `make maintainer-clean' target, but that is intended mainly
+     for the package's developers.  If you use it, you may have to get
+     all sorts of other programs in order to regenerate files that came
+     with the distribution.
+
+Compilers and Options
+=====================
+
+   Some systems require unusual options for compilation or linking that
+the `configure' script does not know about.  You can give `configure'
+initial values for variables by setting them in the environment.  Using
+a Bourne-compatible shell, you can do that on the command line like
+this:
+     CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
+
+Or on systems that have the `env' program, you can do it like this:
+     env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
+
+Compiling For Multiple Architectures
+====================================
+
+   You can compile the package for more than one kind of computer at the
+same time, by placing the object files for each architecture in their
+own directory.  To do this, you must use a version of `make' that
+supports the `VPATH' variable, such as GNU `make'.  `cd' to the
+directory where you want the object files and executables to go and run
+the `configure' script.  `configure' automatically checks for the
+source code in the directory that `configure' is in and in `..'.
+
+   If you have to use a `make' that does not supports the `VPATH'
+variable, you have to compile the package for one architecture at a time
+in the source code directory.  After you have installed the package for
+one architecture, use `make distclean' before reconfiguring for another
+architecture.
+
+Installation Names
+==================
+
+   By default, `make install' will install the package's files in
+`/usr/local/bin', `/usr/local/man', etc.  You can specify an
+installation prefix other than `/usr/local' by giving `configure' the
+option `--prefix=PATH'.
+
+   You can specify separate installation prefixes for
+architecture-specific files and architecture-independent files.  If you
+give `configure' the option `--exec-prefix=PATH', the package will use
+PATH as the prefix for installing programs and libraries.
+Documentation and other data files will still use the regular prefix.
+
+   In addition, if you use an unusual directory layout you can give
+options like `--bindir=PATH' to specify different values for particular
+kinds of files.  Run `configure --help' for a list of the directories
+you can set and what kinds of files go in them.
+
+   If the package supports it, you can cause programs to be installed
+with an extra prefix or suffix on their names by giving `configure' the
+option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
+
+Optional Features
+=================
+
+   Some packages pay attention to `--enable-FEATURE' options to
+`configure', where FEATURE indicates an optional part of the package.
+They may also pay attention to `--with-PACKAGE' options, where PACKAGE
+is something like `gnu-as' or `x' (for the X Window System).  The
+`README' should mention any `--enable-' and `--with-' options that the
+package recognizes.
+
+   For packages that use the X Window System, `configure' can usually
+find the X include and library files automatically, but if it doesn't,
+you can use the `configure' options `--x-includes=DIR' and
+`--x-libraries=DIR' to specify their locations.
+
+Specifying the System Type
+==========================
+
+   There may be some features `configure' can not figure out
+automatically, but needs to determine by the type of host the package
+will run on.  Usually `configure' can figure that out, but if it prints
+a message saying it can not guess the host type, give it the
+`--host=TYPE' option.  TYPE can either be a short name for the system
+type, such as `sun4', or a canonical name with three fields:
+     CPU-COMPANY-SYSTEM
+
+See the file `config.sub' for the possible values of each field.  If
+`config.sub' isn't included in this package, then this package doesn't
+need to know the host type.
+
+   If you are building compiler tools for cross-compiling, you can also
+use the `--target=TYPE' option to select the type of system they will
+produce code for and the `--build=TYPE' option to select the type of
+system on which you are compiling the package.
+
+Sharing Defaults
+================
+
+   If you want to set default values for `configure' scripts to share,
+you can create a site shell script called `config.site' that gives
+default values for variables like `CC', `cache_file', and `prefix'.
+`configure' looks for `PREFIX/share/config.site' if it exists, then
+`PREFIX/etc/config.site' if it exists.  Or, you can set the
+`CONFIG_SITE' environment variable to the location of the site script.
+A warning: not all `configure' scripts look for a site script.
+
+Operation Controls
+==================
+
+   `configure' recognizes the following options to control how it
+operates.
+
+`--cache-file=FILE'
+     Use and save the results of the tests in FILE instead of
+     `./config.cache'.  Set FILE to `/dev/null' to disable caching, for
+     debugging `configure'.
+
+`--help'
+     Print a summary of the options to `configure', and exit.
+
+`--quiet'
+`--silent'
+`-q'
+     Do not print messages saying which checks are being made.  To
+     suppress all normal output, redirect it to `/dev/null' (any error
+     messages will still be shown).
+
+`--srcdir=DIR'
+     Look for the package's source code in directory DIR.  Usually
+     `configure' can determine that directory automatically.
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index 0000000..3414e12
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diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..77872c5
--- /dev/null
+++ b/NEWS
@@ -0,0 +1,63 @@
+Significant changes for nfs-utils 1.1.0 - March/April 2007
+
+ - rpc.lockd is gone. One 3 old kernel releases need it.
+ - rpc.rquotad is gone. Use the one from the 'quota' package.
+   Everyone else does.
+ - /sbin/{u,}mount.nfs{,4} are now installed so 'mount' will
+   use these to mount nfs filesystems instead of internal code.
+  + mount.nfs will check for 'statd' to be running when mounting
+    a filesystem which requires it. If it is not running it will
+    run "/usr/sbin/start-statd" to try to start it.
+    If statd is not running and cannot be started, mount.nfs will
+    refuse to mount the filesystem and will suggest the 'nolock'
+    option.
+ - Substantial changes to statd
+  + The 'notify' process that must happen at boot has been split
+    into a separate program "sm-notify". It ensures that it
+    only runs once even if you restart statd. This is correct
+    behaviour.
+  + statd stores state in the files in /var/lib/nfs/sm/ so that
+    if you kill and restart it, it will restore that state and
+    continue working correctly.
+  + statd makes more use of DNS lookup and should handle
+    multi-homed peers better. In particular, files in
+    /var/lib/nfs/sm/ are named with the Full Qualified Domain Name
+    if available.
+ - If you export a directory as 'crossmnt', all filesystems
+   mounted beneath are automatically exported with the same
+   options (unless explicitly exported with different options).
+ - subtree_check is no-longer the default. The default is now
+   no_subtree_check.
+ - By default the system 'rpcgen' is used while building
+   nfs-utils rather than the internal one.
+ - Exportfs will warn if you try to export a filesystem that does
+   not support NFS export.
+ - Comprehensive notes on startup dependencies have been added
+   to the README file.
+ - Mount and statd now listen on a non-privileged port by default.
+   For maximum safety an upgrade to portmap-6.0 is recommended.
+        http://neil.brown.name/portmap/
+        git://neil.brown.name/portmap
+
+ - This release should work with MIT Kerberos and Heimdal 0.8.1 and later.
+
+ - A new option, -n, was added to rpc.gssd which specifies that
+   accesses by root should not use 'machine credentials' when
+   accessing NFS file systems mounted with Kerberos. Using this
+   option allows the root user to access the NFS space using any
+   Kerberos principal, rather than always using the machine
+   credentials. However, its use also requires that root manually
+   authenticate before attempting a mount with Kerberos.
+
+   When rpc.gssd uses machine credentials, the selection algorithm has
+   been changed. Instead of simply using the first "nfs/*" key in the
+   keytab, the keytab is now searched for keys in the following
+   defined order:
+
+     root/<fqdn>@REALM
+     nfs/<fqdn>@REALM
+     host/<fqdn>@REALM
+     root/<any-name>@REALM
+     nfs/<any-name>@REALM
+     host/<any-name>@REALM
+
diff --git a/README b/README
new file mode 100644
index 0000000..3b0e771
--- /dev/null
+++ b/README
@@ -0,0 +1,167 @@
+This is nfs-utils, the Linux NFS userland utility package.
+
+
+0. PROJECT RESOURCES
+
+Home page:  http://sourceforge.net/projects/nfs/
+
+To use the 'gss' support you must have kerberos-5 development 
+libraries installed.
+Otherwise use  "--disable-gss"
+
+To use nfsv4 support you need libevent and libnfsidmap development
+libraries.  They are available from 
+   http://www.monkey.org/~provos/libevent/
+   http://www.citi.umich.edu/projects/nfsv4/linux/libnfsidmap/
+Otherwise use --disable-nfsv4
+
+To use the nfsdcld tracking daemon, nfsv4 support must be enabled,
+and the libsqlite3 development libraries must be installed.
+
+1. COMPILING
+
+Unpack the sources and run these commands:
+
+    # ./configure
+    # make
+
+To install binaries and documentation, run this command:
+
+    # make install
+
+
+2. COMPILING FROM GIT
+
+Getting nfs-utils for the first time:
+
+	git clone git://git.linux-nfs.org/~steved/nfs-utils.git
+
+Updating to the latest head after you've already got it.
+
+	git pull
+
+Building requires that autotools be installed. To invoke them
+simply
+
+	sh autogen.sh
+
+Finally, build as usual as above.
+
+3. DAEMON STARTUP ORDER
+
+This nfs-utils packages does not provide any scripts for starting
+various daemons as most distributions replace them with their own, so
+any scripts we package would not get much testing.
+Instead, we explain the dependencies involved in startup so that
+scripts can be written to work correctly.
+
+3.0   PREREQUISITES 
+
+   Name service (host name lookup) should be working before any
+   NFS services are started.
+
+   "portmap" must be running before any NFS services (server or
+   client) are started.
+   
+   Normally network interfaces should be configured first as well,
+   though this isn't critical for the NFS server (providing name
+   service is handled locally).
+   
+3.1.  SERVER STARTUP
+
+
+   A/  mount -t nfsd nfsd /proc/fs/nfsd
+      This filesystem needs to be mount before most daemons,
+      particularly exportfs, mountd, svcgssd, idmapd.
+      It could be mounted once, or the script that starts each daemon
+      could test if it is mounted and mount it if not.
+
+   B/ svcgssd ; idmapd
+       These supply services to nfsd and so should be started before
+       rpc.nfsd.  Where they come between mounting the nfsd filesystem
+       and starting the nfsd server is not important.
+       idmapd is only needed for NFSv4 support.
+       svcgssd is only needed if exportfs NFS filesystem with crypto-
+       security (Kerberos).
+
+   C/ exportfs -av ; rpc.mountd
+       It is important that exportfs be run before mountd so that
+       mountd is working from current information (in
+       /var/lib/nfs/etab).
+       It is also important that both of these are run before
+       rpc.nfsd.
+       If not, any NFS requests that arrive before mountd is started
+       will get replied to with a 'Stale NFS File handle' error.
+
+   D/ rpc.statd --no-notify
+       It is best if statd is started before nfsd though this isn't
+       critical. Certainly, it should be at most a few seconds after
+       nfsd.
+       When nfsd starts it will start lockd. If lockd then receives a
+       lock request, it will communicate with statd. If statd is not
+       running lockd will retry, but it won't wait forever for a
+       reply.
+       Note that if statd is started before nfsd, the --no-notify
+       option must be used. If notify requests are sent out before
+       nfsd start, clients may try to reclaim locks and, on finding
+       that lockd isn't running, they will give up and never reclaim
+       the lock.
+       rpc.statd is only needed for NFSv2 and NFSv3 support.
+
+   E/ rpc.nfsd
+       Starting nfsd will automatically start lockd. The nfs server
+       will now be fully active and respond to any requests from
+       clients.
+       
+   F/ sm-notify
+       This will notify any client which might have locks from before
+       a reboot to try to reclaim their locks. This should start
+       immediately after rpc.nfsd is started so that clients have a
+       chance to reclaim locks within the 90 second grace period.
+       sm-notify is only needed for NFSv2 and NFSv3 support.
+
+
+3.2.  CLIENT STARTUP
+
+   A/ sm-notify
+      This should be run shortly after boot and before any NFS
+      filesystems are mounted with remote-locking support -
+      filesystems can be mounted with "-o nolock" before sm-notify.
+      This is appropriate for '/', '/usr', and '/var'.
+
+   B/ gssd ; idmapd
+      idmapd should be started before mounting any NFSv4 filesystems.
+      gssd should be started before mounting any NFS filesystems
+      securely (with Kerberos).
+
+   C/ statd should be run before any NFSv2 or NFSv3 filesystem is
+      mounted with remote locking (i.e. without -o nolock).
+      'mount' will try to use "/usr/sbin/start-statd" to start statd
+      if it is not already running, so there is no need to explicitly
+      start statd in boot-time scripts.
+
+3.3.  SERVER/CLIENT INTERACTIONS
+
+   A/ sm-notify
+      Both the server and the client need sm-notify to be run.
+      It should be run after the NFS server is started, but before
+      and NFS filesystems are mounted with remote locking.
+
+   B/ rpc.statd
+      Both the server and the client need rpc.statd to be running.
+      Each should try to start when they need it.
+
+   C/ idmapd
+
+      Both the server and client need idmapd to be running.  If idmapd
+      is started (for the client) before starting nfsd the 'nfsd'
+      filesystem is mounted, then idmapd should be sent a HUP signal
+      afterwards to signal that the server channels should be opened.
+
+   
+      
+
+Share And Enjoy!
+
+    --	the nfs-utils developers
+	<linux-nfs@vger.kernel.org>
diff --git a/aclocal.m4 b/aclocal.m4
new file mode 100644
index 0000000..107d25b
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,10610 @@
+# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.71],,
+[m4_warning([this file was generated for autoconf 2.71.
+You have another version of autoconf.  It may work, but is not guaranteed to.
+If you have problems, you may need to regenerate the build system entirely.
+To do so, use the procedure documented by the package, typically 'autoreconf'.])])
+
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+#
+#   Copyright (C) 1996-2001, 2003-2019, 2021-2022 Free Software
+#   Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+m4_define([_LT_COPYING], [dnl
+# Copyright (C) 2014 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program or library that is built
+# using GNU Libtool, you may include this file under the  same
+# distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+])
+
+# serial 59 LT_INIT
+
+
+# LT_PREREQ(VERSION)
+# ------------------
+# Complain and exit if this libtool version is less that VERSION.
+m4_defun([LT_PREREQ],
+[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,
+       [m4_default([$3],
+		   [m4_fatal([Libtool version $1 or higher is required],
+		             63)])],
+       [$2])])
+
+
+# _LT_CHECK_BUILDDIR
+# ------------------
+# Complain if the absolute build directory name contains unusual characters
+m4_defun([_LT_CHECK_BUILDDIR],
+[case `pwd` in
+  *\ * | *\	*)
+    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
+esac
+])
+
+
+# LT_INIT([OPTIONS])
+# ------------------
+AC_DEFUN([LT_INIT],
+[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
+AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+AC_BEFORE([$0], [LT_LANG])dnl
+AC_BEFORE([$0], [LT_OUTPUT])dnl
+AC_BEFORE([$0], [LTDL_INIT])dnl
+m4_require([_LT_CHECK_BUILDDIR])dnl
+
+dnl Autoconf doesn't catch unexpanded LT_ macros by default:
+m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
+m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
+dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
+dnl unless we require an AC_DEFUNed macro:
+AC_REQUIRE([LTOPTIONS_VERSION])dnl
+AC_REQUIRE([LTSUGAR_VERSION])dnl
+AC_REQUIRE([LTVERSION_VERSION])dnl
+AC_REQUIRE([LTOBSOLETE_VERSION])dnl
+m4_require([_LT_PROG_LTMAIN])dnl
+
+_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])
+
+dnl Parse OPTIONS
+_LT_SET_OPTIONS([$0], [$1])
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS=$ltmain
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
+
+_LT_SETUP
+
+# Only expand once:
+m4_define([LT_INIT])
+])# LT_INIT
+
+# Old names:
+AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
+AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
+dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
+
+
+# _LT_PREPARE_CC_BASENAME
+# -----------------------
+m4_defun([_LT_PREPARE_CC_BASENAME], [
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in @S|@*""; do
+      case $cc_temp in
+        compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
+        distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+])# _LT_PREPARE_CC_BASENAME
+
+
+# _LT_CC_BASENAME(CC)
+# -------------------
+# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME,
+# but that macro is also expanded into generated libtool script, which
+# arranges for $SED and $ECHO to be set by different means.
+m4_defun([_LT_CC_BASENAME],
+[m4_require([_LT_PREPARE_CC_BASENAME])dnl
+AC_REQUIRE([_LT_DECL_SED])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+func_cc_basename $1
+cc_basename=$func_cc_basename_result
+])
+
+
+# _LT_FILEUTILS_DEFAULTS
+# ----------------------
+# It is okay to use these file commands and assume they have been set
+# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'.
+m4_defun([_LT_FILEUTILS_DEFAULTS],
+[: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+])# _LT_FILEUTILS_DEFAULTS
+
+
+# _LT_SETUP
+# ---------
+m4_defun([_LT_SETUP],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+
+_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
+dnl
+_LT_DECL([], [host_alias], [0], [The host system])dnl
+_LT_DECL([], [host], [0])dnl
+_LT_DECL([], [host_os], [0])dnl
+dnl
+_LT_DECL([], [build_alias], [0], [The build system])dnl
+_LT_DECL([], [build], [0])dnl
+_LT_DECL([], [build_os], [0])dnl
+dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+dnl
+AC_REQUIRE([AC_PROG_LN_S])dnl
+test -z "$LN_S" && LN_S="ln -s"
+_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
+dnl
+AC_REQUIRE([LT_CMD_MAX_LEN])dnl
+_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
+_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
+dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl
+m4_require([_LT_CMD_RELOAD])dnl
+m4_require([_LT_DECL_FILECMD])dnl
+m4_require([_LT_CHECK_MAGIC_METHOD])dnl
+m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl
+m4_require([_LT_CMD_OLD_ARCHIVE])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_WITH_SYSROOT])dnl
+m4_require([_LT_CMD_TRUNCATE])dnl
+
+_LT_CONFIG_LIBTOOL_INIT([
+# See if we are running on zsh, and set the options that allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+])
+if test -n "${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+
+_LT_CHECK_OBJDIR
+
+m4_require([_LT_TAG_COMPILER])dnl
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test set != "${COLLECT_NAMES+set}"; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a '.a' archive for static linking (except MSVC and
+# ICC, which need '.lib').
+libext=a
+
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+old_CC=$CC
+old_CFLAGS=$CFLAGS
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+_LT_CC_BASENAME([$compiler])
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    _LT_PATH_MAGIC
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+LT_SUPPORTED_TAG([CC])
+_LT_LANG_C_CONFIG
+_LT_LANG_DEFAULT_CONFIG
+_LT_CONFIG_COMMANDS
+])# _LT_SETUP
+
+
+# _LT_PREPARE_SED_QUOTE_VARS
+# --------------------------
+# Define a few sed substitution that help us do robust quoting.
+m4_defun([_LT_PREPARE_SED_QUOTE_VARS],
+[# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([["`\\]]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+])
+
+# _LT_PROG_LTMAIN
+# ---------------
+# Note that this code is called both from 'configure', and 'config.status'
+# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
+# 'config.status' has no value for ac_aux_dir unless we are using Automake,
+# so we pass a copy along to make sure it has a sensible value anyway.
+m4_defun([_LT_PROG_LTMAIN],
+[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
+_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
+ltmain=$ac_aux_dir/ltmain.sh
+])# _LT_PROG_LTMAIN
+
+
+
+# So that we can recreate a full libtool script including additional
+# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
+# in macros and then make a single call at the end using the 'libtool'
+# label.
+
+
+# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
+# ----------------------------------------
+# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL_INIT],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_INIT])
+
+
+# _LT_CONFIG_LIBTOOL([COMMANDS])
+# ------------------------------
+# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
+
+
+# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
+# -----------------------------------------------------
+m4_defun([_LT_CONFIG_SAVE_COMMANDS],
+[_LT_CONFIG_LIBTOOL([$1])
+_LT_CONFIG_LIBTOOL_INIT([$2])
+])
+
+
+# _LT_FORMAT_COMMENT([COMMENT])
+# -----------------------------
+# Add leading comment marks to the start of each line, and a trailing
+# full-stop to the whole comment if one is not present already.
+m4_define([_LT_FORMAT_COMMENT],
+[m4_ifval([$1], [
+m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
+              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
+)])
+
+
+
+
+
+# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
+# -------------------------------------------------------------------
+# CONFIGNAME is the name given to the value in the libtool script.
+# VARNAME is the (base) name used in the configure script.
+# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
+# VARNAME.  Any other value will be used directly.
+m4_define([_LT_DECL],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
+    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
+	[m4_ifval([$1], [$1], [$2])])
+    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
+    m4_ifval([$4],
+	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
+    lt_dict_add_subkey([lt_decl_dict], [$2],
+	[tagged?], [m4_ifval([$5], [yes], [no])])])
+])
+
+
+# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
+# --------------------------------------------------------
+m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
+
+
+# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_tag_varnames],
+[_lt_decl_filter([tagged?], [yes], $@)])
+
+
+# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
+# ---------------------------------------------------------
+m4_define([_lt_decl_filter],
+[m4_case([$#],
+  [0], [m4_fatal([$0: too few arguments: $#])],
+  [1], [m4_fatal([$0: too few arguments: $#: $1])],
+  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
+  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
+  [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+])
+
+
+# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
+# --------------------------------------------------
+m4_define([lt_decl_quote_varnames],
+[_lt_decl_filter([value], [1], $@)])
+
+
+# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_dquote_varnames],
+[_lt_decl_filter([value], [2], $@)])
+
+
+# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_varnames_tagged],
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
+
+
+# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_all_varnames],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+     m4_if([$2], [],
+	   m4_quote(lt_decl_varnames),
+	m4_quote(m4_shift($@))))[]dnl
+])
+m4_define([_lt_decl_all_varnames],
+[lt_join($@, lt_decl_varnames_tagged([$1],
+			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
+])
+
+
+# _LT_CONFIG_STATUS_DECLARE([VARNAME])
+# ------------------------------------
+# Quote a variable value, and forward it to 'config.status' so that its
+# declaration there will have the same value as in 'configure'.  VARNAME
+# must have a single quote delimited value for this to work.
+m4_define([_LT_CONFIG_STATUS_DECLARE],
+[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
+
+
+# _LT_CONFIG_STATUS_DECLARATIONS
+# ------------------------------
+# We delimit libtool config variables with single quotes, so when
+# we write them to config.status, we have to be sure to quote all
+# embedded single quotes properly.  In configure, this macro expands
+# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+#
+#    <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
+m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
+    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAGS
+# ----------------
+# Output comment and list of tags supported by the script
+m4_defun([_LT_LIBTOOL_TAGS],
+[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
+available_tags='_LT_TAGS'dnl
+])
+
+
+# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
+# -----------------------------------
+# Extract the dictionary values for VARNAME (optionally with TAG) and
+# expand to a commented shell variable setting:
+#
+#    # Some comment about what VAR is for.
+#    visible_name=$lt_internal_name
+m4_define([_LT_LIBTOOL_DECLARE],
+[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
+					   [description])))[]dnl
+m4_pushdef([_libtool_name],
+    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
+m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
+    [0], [_libtool_name=[$]$1],
+    [1], [_libtool_name=$lt_[]$1],
+    [2], [_libtool_name=$lt_[]$1],
+    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
+m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
+])
+
+
+# _LT_LIBTOOL_CONFIG_VARS
+# -----------------------
+# Produce commented declarations of non-tagged libtool config variables
+# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool'
+# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
+# section) are produced by _LT_LIBTOOL_TAG_VARS.
+m4_defun([_LT_LIBTOOL_CONFIG_VARS],
+[m4_foreach([_lt_var],
+    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAG_VARS(TAG)
+# -------------------------
+m4_define([_LT_LIBTOOL_TAG_VARS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
+
+
+# _LT_TAGVAR(VARNAME, [TAGNAME])
+# ------------------------------
+m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
+
+
+# _LT_CONFIG_COMMANDS
+# -------------------
+# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
+# variables for single and double quote escaping we saved from calls
+# to _LT_DECL, we can put quote escaped variables declarations
+# into 'config.status', and then the shell code to quote escape them in
+# for loops in 'config.status'.  Finally, any additional code accumulated
+# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
+m4_defun([_LT_CONFIG_COMMANDS],
+[AC_PROVIDE_IFELSE([LT_OUTPUT],
+	dnl If the libtool generation code has been placed in $CONFIG_LT,
+	dnl instead of duplicating it all over again into config.status,
+	dnl then we will have config.status run $CONFIG_LT later, so it
+	dnl needs to know what name is stored there:
+        [AC_CONFIG_COMMANDS([libtool],
+            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
+    dnl If the libtool generation code is destined for config.status,
+    dnl expand the accumulated commands and init code now:
+    [AC_CONFIG_COMMANDS([libtool],
+        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
+])#_LT_CONFIG_COMMANDS
+
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
+[
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+_LT_CONFIG_STATUS_DECLARATIONS
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$[]1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_quote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_dquote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+_LT_OUTPUT_LIBTOOL_INIT
+])
+
+# _LT_GENERATED_FILE_INIT(FILE, [COMMENT])
+# ------------------------------------
+# Generate a child script FILE with all initialization necessary to
+# reuse the environment learned by the parent script, and make the
+# file executable.  If COMMENT is supplied, it is inserted after the
+# '#!' sequence but before initialization text begins.  After this
+# macro, additional text can be appended to FILE to form the body of
+# the child script.  The macro ends with non-zero status if the
+# file could not be fully written (such as if the disk is full).
+m4_ifdef([AS_INIT_GENERATED],
+[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])],
+[m4_defun([_LT_GENERATED_FILE_INIT],
+[m4_require([AS_PREPARE])]dnl
+[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl
+[lt_write_fail=0
+cat >$1 <<_ASEOF || lt_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+$2
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$1 <<\_ASEOF || lt_write_fail=1
+AS_SHELL_SANITIZE
+_AS_PREPARE
+exec AS_MESSAGE_FD>&1
+_ASEOF
+test 0 = "$lt_write_fail" && chmod +x $1[]dnl
+m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT
+
+# LT_OUTPUT
+# ---------
+# This macro allows early generation of the libtool script (before
+# AC_OUTPUT is called), incase it is used in configure for compilation
+# tests.
+AC_DEFUN([LT_OUTPUT],
+[: ${CONFIG_LT=./config.lt}
+AC_MSG_NOTICE([creating $CONFIG_LT])
+_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
+[# Run this file to recreate a libtool stub with the current configuration.])
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+lt_cl_silent=false
+exec AS_MESSAGE_LOG_FD>>config.log
+{
+  echo
+  AS_BOX([Running $as_me.])
+} >&AS_MESSAGE_LOG_FD
+
+lt_cl_help="\
+'$as_me' creates a local libtool stub from the current configuration,
+for use in further configure time tests before the real libtool is
+generated.
+
+Usage: $[0] [[OPTIONS]]
+
+  -h, --help      print this help, then exit
+  -V, --version   print version number, then exit
+  -q, --quiet     do not print progress messages
+  -d, --debug     don't remove temporary files
+
+Report bugs to <bug-libtool@gnu.org>."
+
+lt_cl_version="\
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+configured by $[0], generated by m4_PACKAGE_STRING.
+
+Copyright (C) 2011 Free Software Foundation, Inc.
+This config.lt script is free software; the Free Software Foundation
+gives unlimited permision to copy, distribute and modify it."
+
+while test 0 != $[#]
+do
+  case $[1] in
+    --version | --v* | -V )
+      echo "$lt_cl_version"; exit 0 ;;
+    --help | --h* | -h )
+      echo "$lt_cl_help"; exit 0 ;;
+    --debug | --d* | -d )
+      debug=: ;;
+    --quiet | --q* | --silent | --s* | -q )
+      lt_cl_silent=: ;;
+
+    -*) AC_MSG_ERROR([unrecognized option: $[1]
+Try '$[0] --help' for more information.]) ;;
+
+    *) AC_MSG_ERROR([unrecognized argument: $[1]
+Try '$[0] --help' for more information.]) ;;
+  esac
+  shift
+done
+
+if $lt_cl_silent; then
+  exec AS_MESSAGE_FD>/dev/null
+fi
+_LTEOF
+
+cat >>"$CONFIG_LT" <<_LTEOF
+_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
+_LTEOF
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+AC_MSG_NOTICE([creating $ofile])
+_LT_OUTPUT_LIBTOOL_COMMANDS
+AS_EXIT(0)
+_LTEOF
+chmod +x "$CONFIG_LT"
+
+# configure is writing to config.log, but config.lt does its own redirection,
+# appending to config.log, which fails on DOS, as config.log is still kept
+# open by configure.  Here we exec the FD to /dev/null, effectively closing
+# config.log, so it can be properly (re)opened and appended to by config.lt.
+lt_cl_success=:
+test yes = "$silent" &&
+  lt_config_lt_args="$lt_config_lt_args --quiet"
+exec AS_MESSAGE_LOG_FD>/dev/null
+$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
+exec AS_MESSAGE_LOG_FD>>config.log
+$lt_cl_success || AS_EXIT(1)
+])# LT_OUTPUT
+
+
+# _LT_CONFIG(TAG)
+# ---------------
+# If TAG is the built-in tag, create an initial libtool script with a
+# default configuration from the untagged config vars.  Otherwise add code
+# to config.status for appending the configuration named by TAG from the
+# matching tagged config vars.
+m4_defun([_LT_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_CONFIG_SAVE_COMMANDS([
+  m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
+  m4_if(_LT_TAG, [C], [
+    # See if we are running on zsh, and set the options that allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}"; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile=${ofile}T
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+# Generated automatically by $as_me ($PACKAGE) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit, 1996
+
+_LT_COPYING
+_LT_LIBTOOL_TAGS
+
+# Configured defaults for sys_lib_dlsearch_path munging.
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
+
+# ### BEGIN LIBTOOL CONFIG
+_LT_LIBTOOL_CONFIG_VARS
+_LT_LIBTOOL_TAG_VARS
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+    cat <<'_LT_EOF' >> "$cfgfile"
+
+# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_PREPARE_MUNGE_PATH_LIST
+_LT_PREPARE_CC_BASENAME
+
+# ### END FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test set != "${COLLECT_NAMES+set}"; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+  _LT_PROG_LTMAIN
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  $SED '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
+
+   mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+],
+[cat <<_LT_EOF >> "$ofile"
+
+dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
+dnl in a comment (ie after a #).
+# ### BEGIN LIBTOOL TAG CONFIG: $1
+_LT_LIBTOOL_TAG_VARS(_LT_TAG)
+# ### END LIBTOOL TAG CONFIG: $1
+_LT_EOF
+])dnl /m4_if
+],
+[m4_if([$1], [], [
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    RM='$RM'
+    ofile='$ofile'], [])
+])dnl /_LT_CONFIG_SAVE_COMMANDS
+])# _LT_CONFIG
+
+
+# LT_SUPPORTED_TAG(TAG)
+# ---------------------
+# Trace this macro to discover what tags are supported by the libtool
+# --tag option, using:
+#    autoconf --trace 'LT_SUPPORTED_TAG:$1'
+AC_DEFUN([LT_SUPPORTED_TAG], [])
+
+
+# C support is built-in for now
+m4_define([_LT_LANG_C_enabled], [])
+m4_define([_LT_TAGS], [])
+
+
+# LT_LANG(LANG)
+# -------------
+# Enable libtool support for the given language if not already enabled.
+AC_DEFUN([LT_LANG],
+[AC_BEFORE([$0], [LT_OUTPUT])dnl
+m4_case([$1],
+  [C],			[_LT_LANG(C)],
+  [C++],		[_LT_LANG(CXX)],
+  [Go],			[_LT_LANG(GO)],
+  [Java],		[_LT_LANG(GCJ)],
+  [Fortran 77],		[_LT_LANG(F77)],
+  [Fortran],		[_LT_LANG(FC)],
+  [Windows Resource],	[_LT_LANG(RC)],
+  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
+    [_LT_LANG($1)],
+    [m4_fatal([$0: unsupported language: "$1"])])])dnl
+])# LT_LANG
+
+
+# _LT_LANG(LANGNAME)
+# ------------------
+m4_defun([_LT_LANG],
+[m4_ifdef([_LT_LANG_]$1[_enabled], [],
+  [LT_SUPPORTED_TAG([$1])dnl
+  m4_append([_LT_TAGS], [$1 ])dnl
+  m4_define([_LT_LANG_]$1[_enabled], [])dnl
+  _LT_LANG_$1_CONFIG($1)])dnl
+])# _LT_LANG
+
+
+m4_ifndef([AC_PROG_GO], [
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+m4_defun([AC_PROG_GO],
+[AC_LANG_PUSH(Go)dnl
+AC_ARG_VAR([GOC],     [Go compiler command])dnl
+AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
+_AC_ARG_VAR_LDFLAGS()dnl
+AC_CHECK_TOOL(GOC, gccgo)
+if test -z "$GOC"; then
+  if test -n "$ac_tool_prefix"; then
+    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
+  fi
+fi
+if test -z "$GOC"; then
+  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
+fi
+])#m4_defun
+])#m4_ifndef
+
+
+# _LT_LANG_DEFAULT_CONFIG
+# -----------------------
+m4_defun([_LT_LANG_DEFAULT_CONFIG],
+[AC_PROVIDE_IFELSE([AC_PROG_CXX],
+  [LT_LANG(CXX)],
+  [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_F77],
+  [LT_LANG(F77)],
+  [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_FC],
+  [LT_LANG(FC)],
+  [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
+
+dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
+dnl pulling things in needlessly.
+AC_PROVIDE_IFELSE([AC_PROG_GCJ],
+  [LT_LANG(GCJ)],
+  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
+    [LT_LANG(GCJ)],
+    [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
+      [LT_LANG(GCJ)],
+      [m4_ifdef([AC_PROG_GCJ],
+	[m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([A][M_PROG_GCJ],
+	[m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([LT_PROG_GCJ],
+	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+
+AC_PROVIDE_IFELSE([AC_PROG_GO],
+  [LT_LANG(GO)],
+  [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
+
+AC_PROVIDE_IFELSE([LT_PROG_RC],
+  [LT_LANG(RC)],
+  [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
+])# _LT_LANG_DEFAULT_CONFIG
+
+# Obsolete macros:
+AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
+AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
+AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
+AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
+AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
+dnl AC_DEFUN([AC_LIBTOOL_F77], [])
+dnl AC_DEFUN([AC_LIBTOOL_FC], [])
+dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
+dnl AC_DEFUN([AC_LIBTOOL_RC], [])
+
+
+# _LT_TAG_COMPILER
+# ----------------
+m4_defun([_LT_TAG_COMPILER],
+[AC_REQUIRE([AC_PROG_CC])dnl
+
+_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
+_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
+_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
+_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+])# _LT_TAG_COMPILER
+
+
+# _LT_COMPILER_BOILERPLATE
+# ------------------------
+# Check for compiler boilerplate output or warnings with
+# the simple compiler test code.
+m4_defun([_LT_COMPILER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
+# the simple link test code.
+m4_defun([_LT_LINKER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+])# _LT_LINKER_BOILERPLATE
+
+# _LT_REQUIRED_DARWIN_CHECKS
+# -------------------------
+m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
+  case $host_os in
+    rhapsody* | darwin*)
+    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+    AC_CHECK_TOOL([LIPO], [lipo], [:])
+    AC_CHECK_TOOL([OTOOL], [otool], [:])
+    AC_CHECK_TOOL([OTOOL64], [otool64], [:])
+    _LT_DECL([], [DSYMUTIL], [1],
+      [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
+    _LT_DECL([], [NMEDIT], [1],
+      [Tool to change global to local symbols on Mac OS X])
+    _LT_DECL([], [LIPO], [1],
+      [Tool to manipulate fat objects and archives on Mac OS X])
+    _LT_DECL([], [OTOOL], [1],
+      [ldd/readelf like tool for Mach-O binaries on Mac OS X])
+    _LT_DECL([], [OTOOL64], [1],
+      [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
+
+    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
+      [lt_cv_apple_cc_single_mod=no
+      if test -z "$LT_MULTI_MODULE"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi])
+
+    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+      [lt_cv_ld_exported_symbols_list],
+      [lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+	[lt_cv_ld_exported_symbols_list=yes],
+	[lt_cv_ld_exported_symbols_list=no])
+	LDFLAGS=$save_LDFLAGS
+    ])
+
+    AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
+      [lt_cv_ld_force_load=no
+      cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
+      echo "$AR $AR_FLAGS libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
+      $AR $AR_FLAGS libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
+      echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
+      $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
+      cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+      _lt_result=$?
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
+	lt_cv_ld_force_load=yes
+      else
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      fi
+        rm -f conftest.err libconftest.a conftest conftest.c
+        rm -rf conftest.dSYM
+    ])
+    case $host_os in
+    rhapsody* | darwin1.[[012]])
+      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+    darwin*)
+      case $MACOSX_DEPLOYMENT_TARGET,$host in
+        10.[[012]],*|,*powerpc*-darwin[[5-8]]*)
+          _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+        *)
+          _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test yes = "$lt_cv_apple_cc_single_mod"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test yes = "$lt_cv_ld_exported_symbols_list"; then
+      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
+    fi
+    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+])
+
+
+# _LT_DARWIN_LINKER_FEATURES([TAG])
+# ---------------------------------
+# Checks for linker and compiler features on darwin
+m4_defun([_LT_DARWIN_LINKER_FEATURES],
+[
+  m4_require([_LT_REQUIRED_DARWIN_CHECKS])
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_automatic, $1)=yes
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  if test yes = "$lt_cv_ld_force_load"; then
+    _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+    m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
+                  [FC],  [_LT_TAGVAR(compiler_needs_object, $1)=yes])
+  else
+    _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+  fi
+  _LT_TAGVAR(link_all_deplibs, $1)=yes
+  _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined
+  case $cc_basename in
+     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test yes = "$_lt_dar_can_shared"; then
+    output_verbose_link_cmd=func_echo_all
+    _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
+    _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
+    _LT_TAGVAR(archive_expsym_cmds, $1)="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
+    _LT_TAGVAR(module_expsym_cmds, $1)="$SED -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
+    m4_if([$1], [CXX],
+[   if test yes != "$lt_cv_apple_cc_single_mod"; then
+      _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil"
+      _LT_TAGVAR(archive_expsym_cmds, $1)="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil"
+    fi
+],[])
+  else
+  _LT_TAGVAR(ld_shlibs, $1)=no
+  fi
+])
+
+# _LT_SYS_MODULE_PATH_AIX([TAGNAME])
+# ----------------------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
+# this is /usr/lib:/lib, but when the MPI compilers are used
+# the location of the communication and MPI libs are included too.
+# If we don't find anything, use the default library path according
+# to the aix ld manual.
+# Store the results from the different compilers for each TAGNAME.
+# Allow to override them for all tags through lt_cv_aix_libpath.
+m4_defun([_LT_SYS_MODULE_PATH_AIX],
+[m4_require([_LT_DECL_SED])dnl
+if test set = "${lt_cv_aix_libpath+set}"; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])],
+  [AC_LINK_IFELSE([AC_LANG_PROGRAM],[
+  lt_aix_libpath_sed='[
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }]'
+  _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi],[])
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=/usr/lib:/lib
+  fi
+  ])
+  aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])
+fi
+])# _LT_SYS_MODULE_PATH_AIX
+
+
+# _LT_SHELL_INIT(ARG)
+# -------------------
+m4_define([_LT_SHELL_INIT],
+[m4_divert_text([M4SH-INIT], [$1
+])])# _LT_SHELL_INIT
+
+
+
+# _LT_PROG_ECHO_BACKSLASH
+# -----------------------
+# Find how we can fake an echo command that does not interpret backslash.
+# In particular, with Autoconf 2.60 or later we add some code to the start
+# of the generated configure script that will find a shell with a builtin
+# printf (that we can use as an echo command).
+m4_defun([_LT_PROG_ECHO_BACKSLASH],
+[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+AC_MSG_CHECKING([how to print strings])
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$[]1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*"
+}
+
+case $ECHO in
+  printf*) AC_MSG_RESULT([printf]) ;;
+  print*) AC_MSG_RESULT([print -r]) ;;
+  *) AC_MSG_RESULT([cat]) ;;
+esac
+
+m4_ifdef([_AS_DETECT_SUGGESTED],
+[_AS_DETECT_SUGGESTED([
+  test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || (
+    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+    PATH=/empty FPATH=/empty; export PATH FPATH
+    test "X`printf %s $ECHO`" = "X$ECHO" \
+      || test "X`print -r -- $ECHO`" = "X$ECHO" )])])
+
+_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
+_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes])
+])# _LT_PROG_ECHO_BACKSLASH
+
+
+# _LT_WITH_SYSROOT
+# ----------------
+AC_DEFUN([_LT_WITH_SYSROOT],
+[m4_require([_LT_DECL_SED])dnl
+AC_MSG_CHECKING([for sysroot])
+AC_ARG_WITH([sysroot],
+[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
+  [Search for dependent libraries within DIR (or the compiler's sysroot
+   if not specified).])],
+[], [with_sysroot=no])
+
+dnl lt_sysroot will always be passed unquoted.  We quote it here
+dnl in case the user passed a directory name.
+lt_sysroot=
+case $with_sysroot in #(
+ yes)
+   if test yes = "$GCC"; then
+     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+   fi
+   ;; #(
+ /*)
+   lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"`
+   ;; #(
+ no|'')
+   ;; #(
+ *)
+   AC_MSG_RESULT([$with_sysroot])
+   AC_MSG_ERROR([The sysroot must be an absolute path.])
+   ;;
+esac
+
+ AC_MSG_RESULT([${lt_sysroot:-no}])
+_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
+[dependent libraries, and where our libraries should be installed.])])
+
+# _LT_ENABLE_LOCK
+# ---------------
+m4_defun([_LT_ENABLE_LOCK],
+[AC_ARG_ENABLE([libtool-lock],
+  [AS_HELP_STRING([--disable-libtool-lock],
+    [avoid locking (might break parallel builds)])])
+test no = "$enable_libtool_lock" || enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out what ABI is being produced by ac_compile, and set mode
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `$FILECMD conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE=32
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE=64
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    if test yes = "$lt_cv_prog_gnu_ld"; then
+      case `$FILECMD conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `$FILECMD conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+mips64*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    emul=elf
+    case `$FILECMD conftest.$ac_objext` in
+      *32-bit*)
+	emul="${emul}32"
+	;;
+      *64-bit*)
+	emul="${emul}64"
+	;;
+    esac
+    case `$FILECMD conftest.$ac_objext` in
+      *MSB*)
+	emul="${emul}btsmip"
+	;;
+      *LSB*)
+	emul="${emul}ltsmip"
+	;;
+    esac
+    case `$FILECMD conftest.$ac_objext` in
+      *N32*)
+	emul="${emul}n32"
+	;;
+    esac
+    LD="${LD-ld} -m $emul"
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.  Note that the listed cases only cover the
+  # situations where additional linker options are needed (such as when
+  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
+  # vice versa); the common cases where no linker options are needed do
+  # not appear in the list.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `$FILECMD conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    case `$FILECMD conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
+	    ;;
+	  powerpc64le-*linux*)
+	    LD="${LD-ld} -m elf32lppclinux"
+	    ;;
+	  powerpc64-*linux*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  powerpcle-*linux*)
+	    LD="${LD-ld} -m elf64lppc"
+	    ;;
+	  powerpc-*linux*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS=$CFLAGS
+  CFLAGS="$CFLAGS -belf"
+  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+    [AC_LANG_PUSH(C)
+     AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+     AC_LANG_POP])
+  if test yes != "$lt_cv_cc_needs_belf"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS=$SAVE_CFLAGS
+  fi
+  ;;
+*-*solaris*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `$FILECMD conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*)
+        case $host in
+        i?86-*-solaris*|x86_64-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD=${LD-ld}_sol2
+        fi
+        ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks=$enable_libtool_lock
+])# _LT_ENABLE_LOCK
+
+
+# _LT_PROG_AR
+# -----------
+m4_defun([_LT_PROG_AR],
+[AC_CHECK_TOOLS(AR, [ar], false)
+: ${AR=ar}
+_LT_DECL([], [AR], [1], [The archiver])
+
+# Use ARFLAGS variable as AR's operation code to sync the variable naming with
+# Automake.  If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have
+# higher priority because thats what people were doing historically (setting
+# ARFLAGS for automake and AR_FLAGS for libtool).  FIXME: Make the AR_FLAGS
+# variable obsoleted/removed.
+
+test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr}
+lt_ar_flags=$AR_FLAGS
+_LT_DECL([], [lt_ar_flags], [0], [Flags to create an archive (by configure)])
+
+# Make AR_FLAGS overridable by 'make ARFLAGS='.  Don't try to run-time override
+# by AR_FLAGS because that was never working and AR_FLAGS is about to die.
+_LT_DECL([], [AR_FLAGS], [\@S|@{ARFLAGS-"\@S|@lt_ar_flags"}],
+         [Flags to create an archive])
+
+AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file],
+  [lt_cv_ar_at_file=no
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+     [echo conftest.$ac_objext > conftest.lst
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD'
+      AC_TRY_EVAL([lt_ar_try])
+      if test 0 -eq "$ac_status"; then
+	# Ensure the archiver fails upon bogus file names.
+	rm -f conftest.$ac_objext libconftest.a
+	AC_TRY_EVAL([lt_ar_try])
+	if test 0 -ne "$ac_status"; then
+          lt_cv_ar_at_file=@
+        fi
+      fi
+      rm -f conftest.* libconftest.a
+     ])
+  ])
+
+if test no = "$lt_cv_ar_at_file"; then
+  archiver_list_spec=
+else
+  archiver_list_spec=$lt_cv_ar_at_file
+fi
+_LT_DECL([], [archiver_list_spec], [1],
+  [How to feed a file listing to the archiver])
+])# _LT_PROG_AR
+
+
+# _LT_CMD_OLD_ARCHIVE
+# -------------------
+m4_defun([_LT_CMD_OLD_ARCHIVE],
+[_LT_PROG_AR
+
+AC_CHECK_TOOL(STRIP, strip, :)
+test -z "$STRIP" && STRIP=:
+_LT_DECL([], [STRIP], [1], [A symbol stripping program])
+
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+test -z "$RANLIB" && RANLIB=:
+_LT_DECL([], [RANLIB], [1],
+    [Commands used to install an old-style archive])
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  bitrig* | openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+  darwin*)
+    lock_old_archive_extraction=yes ;;
+  *)
+    lock_old_archive_extraction=no ;;
+esac
+_LT_DECL([], [old_postinstall_cmds], [2])
+_LT_DECL([], [old_postuninstall_cmds], [2])
+_LT_TAGDECL([], [old_archive_cmds], [2],
+    [Commands used to build an old-style archive])
+_LT_DECL([], [lock_old_archive_extraction], [0],
+    [Whether to use a lock for old archive extraction])
+])# _LT_CMD_OLD_ARCHIVE
+
+
+# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([_LT_COMPILER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$3"  ## exclude from sc_useless_quotes_in_assignment
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       $2=yes
+     fi
+   fi
+   $RM conftest*
+])
+
+if test yes = "[$]$2"; then
+    m4_if([$5], , :, [$5])
+else
+    m4_if([$6], , :, [$6])
+fi
+])# _LT_COMPILER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
+
+
+# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#                  [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------
+# Check whether the given linker option works
+AC_DEFUN([_LT_LINKER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   save_LDFLAGS=$LDFLAGS
+   LDFLAGS="$LDFLAGS $3"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&AS_MESSAGE_LOG_FD
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         $2=yes
+       fi
+     else
+       $2=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS=$save_LDFLAGS
+])
+
+if test yes = "[$]$2"; then
+    m4_if([$4], , :, [$4])
+else
+    m4_if([$5], , :, [$5])
+fi
+])# _LT_LINKER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
+
+
+# LT_CMD_MAX_LEN
+#---------------
+AC_DEFUN([LT_CMD_MAX_LEN],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+  i=0
+  teststring=ABCD
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw* | cegcc*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  mint*)
+    # On MiNT this can take a long time and run out of memory.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[	 ]]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+       test undefined != "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
+	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test 17 != "$i" # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+])
+if test -n "$lt_cv_sys_max_cmd_len"; then
+  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+  AC_MSG_RESULT(none)
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+_LT_DECL([], [max_cmd_len], [0],
+    [What is the maximum length of a command?])
+])# LT_CMD_MAX_LEN
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
+
+
+# _LT_HEADER_DLFCN
+# ----------------
+m4_defun([_LT_HEADER_DLFCN],
+[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
+])# _LT_HEADER_DLFCN
+
+
+# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+#                      ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ----------------------------------------------------------------
+m4_defun([_LT_TRY_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test yes = "$cross_compiling"; then :
+  [$4]
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+[#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisibility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}]
+_LT_EOF
+  if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then
+    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) $1 ;;
+      x$lt_dlneed_uscore) $2 ;;
+      x$lt_dlunknown|x*) $3 ;;
+    esac
+  else :
+    # compilation failed
+    $3
+  fi
+fi
+rm -fr conftest*
+])# _LT_TRY_DLOPEN_SELF
+
+
+# LT_SYS_DLOPEN_SELF
+# ------------------
+AC_DEFUN([LT_SYS_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test yes != "$enable_dlopen"; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen=load_add_on
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32* | cegcc*)
+    lt_cv_dlopen=LoadLibrary
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+    # if libdl is installed we need to link against it
+    AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[
+    lt_cv_dlopen=dyld
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ])
+    ;;
+
+  tpf*)
+    # Don't try to run any link tests for TPF.  We know it's impossible
+    # because TPF is a cross-compiler, and we know how we open DSOs.
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=no
+    ;;
+
+  *)
+    AC_CHECK_FUNC([shl_load],
+	  [lt_cv_dlopen=shl_load],
+      [AC_CHECK_LIB([dld], [shl_load],
+	    [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld],
+	[AC_CHECK_FUNC([dlopen],
+	      [lt_cv_dlopen=dlopen],
+	  [AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],
+	    [AC_CHECK_LIB([svld], [dlopen],
+		  [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld],
+	      [AC_CHECK_LIB([dld], [dld_link],
+		    [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld])
+	      ])
+	    ])
+	  ])
+	])
+      ])
+    ;;
+  esac
+
+  if test no = "$lt_cv_dlopen"; then
+    enable_dlopen=no
+  else
+    enable_dlopen=yes
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS=$CPPFLAGS
+    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS=$LDFLAGS
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS=$LIBS
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    AC_CACHE_CHECK([whether a program can dlopen itself],
+	  lt_cv_dlopen_self, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+    ])
+
+    if test yes = "$lt_cv_dlopen_self"; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+	  lt_cv_dlopen_self_static, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
+      ])
+    fi
+
+    CPPFLAGS=$save_CPPFLAGS
+    LDFLAGS=$save_LDFLAGS
+    LIBS=$save_LIBS
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+_LT_DECL([dlopen_support], [enable_dlopen], [0],
+	 [Whether dlopen is supported])
+_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
+	 [Whether dlopen of programs is supported])
+_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
+	 [Whether dlopen of statically linked programs is supported])
+])# LT_SYS_DLOPEN_SELF
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
+
+
+# _LT_COMPILER_C_O([TAGNAME])
+# ---------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler.
+# This macro does not hard code the compiler like AC_PROG_CC_C_O.
+m4_defun([_LT_COMPILER_C_O],
+[m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+     fi
+   fi
+   chmod u+w . 2>&AS_MESSAGE_LOG_FD
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+])
+_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
+	[Does compiler simultaneously support -c and -o options?])
+])# _LT_COMPILER_C_O
+
+
+# _LT_COMPILER_FILE_LOCKS([TAGNAME])
+# ----------------------------------
+# Check to see if we can do hard links to lock some files if needed
+m4_defun([_LT_COMPILER_FILE_LOCKS],
+[m4_require([_LT_ENABLE_LOCK])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_COMPILER_C_O([$1])
+
+hard_links=nottested
+if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then
+  # do not overwrite the value of need_locks provided by the user
+  AC_MSG_CHECKING([if we can lock with hard links])
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  AC_MSG_RESULT([$hard_links])
+  if test no = "$hard_links"; then
+    AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe])
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
+])# _LT_COMPILER_FILE_LOCKS
+
+
+# _LT_CHECK_OBJDIR
+# ----------------
+m4_defun([_LT_CHECK_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+_LT_DECL([], [objdir], [0],
+         [The name of the directory that contains temporary libtool files])dnl
+m4_pattern_allow([LT_OBJDIR])dnl
+AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/",
+  [Define to the sub-directory where libtool stores uninstalled libraries.])
+])# _LT_CHECK_OBJDIR
+
+
+# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
+# --------------------------------------
+# Check hardcoding attributes.
+m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
+   test -n "$_LT_TAGVAR(runpath_var, $1)" ||
+   test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then
+
+  # We can hardcode non-existent directories.
+  if test no != "$_LT_TAGVAR(hardcode_direct, $1)" &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" &&
+     test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then
+    # Linking always hardcodes the temporary library directory.
+    _LT_TAGVAR(hardcode_action, $1)=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    _LT_TAGVAR(hardcode_action, $1)=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  _LT_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
+
+if test relink = "$_LT_TAGVAR(hardcode_action, $1)" ||
+   test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test yes = "$shlibpath_overrides_runpath" ||
+     test no = "$enable_shared"; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+_LT_TAGDECL([], [hardcode_action], [0],
+    [How to hardcode a shared library path into an executable])
+])# _LT_LINKER_HARDCODE_LIBPATH
+
+
+# _LT_CMD_STRIPLIB
+# ----------------
+m4_defun([_LT_CMD_STRIPLIB],
+[m4_require([_LT_DECL_EGREP])
+striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -z "$STRIP"; then
+  AC_MSG_RESULT([no])
+else
+  if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+    old_striplib="$STRIP --strip-debug"
+    striplib="$STRIP --strip-unneeded"
+    AC_MSG_RESULT([yes])
+  else
+    case $host_os in
+    darwin*)
+      # FIXME - insert some real tests, host_os isn't really good enough
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      AC_MSG_RESULT([yes])
+      ;;
+    freebsd*)
+      if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then
+        old_striplib="$STRIP --strip-debug"
+        striplib="$STRIP --strip-unneeded"
+        AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+      fi
+      ;;
+    *)
+      AC_MSG_RESULT([no])
+      ;;
+    esac
+  fi
+fi
+_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
+_LT_DECL([], [striplib], [1])
+])# _LT_CMD_STRIPLIB
+
+
+# _LT_PREPARE_MUNGE_PATH_LIST
+# ---------------------------
+# Make sure func_munge_path_list() is defined correctly.
+m4_defun([_LT_PREPARE_MUNGE_PATH_LIST],
+[[# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x@S|@2 in
+    x)
+        ;;
+    *:)
+        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\"
+        ;;
+    x:*)
+        eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\"
+        ;;
+    *)
+        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+]])# _LT_PREPARE_PATH_LIST
+
+
+# _LT_SYS_DYNAMIC_LINKER([TAG])
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+m4_defun([_LT_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_OBJDUMP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PREPARE_MUNGE_PATH_LIST])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+m4_if([$1],
+	[], [
+if test yes = "$GCC"; then
+  case $host_os in
+    darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
+    *) lt_awk_arg='/^libraries:/' ;;
+  esac
+  case $host_os in
+    mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;;
+    *) lt_sed_strip_eq='s|=/|/|g' ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+  case $lt_search_path_spec in
+  *\;*)
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+    ;;
+  *)
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+    ;;
+  esac
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary...
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  # ...but if some path component already ends with the multilib dir we assume
+  # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
+  case "$lt_multi_os_dir; $lt_search_path_spec " in
+  "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
+    lt_multi_os_dir=
+    ;;
+  esac
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
+    elif test -n "$lt_multi_os_dir"; then
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS = " "; FS = "/|\n";} {
+  lt_foo = "";
+  lt_count = 0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo = "/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+  if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+  # AWK program above erroneously prepends '/' to C:/dos/paths
+  # for these hosts.
+  case $host_os in
+    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+      $SED 's|/\([[A-Za-z]]:\)|\1|g'` ;;
+  esac
+  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=.so
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+AC_ARG_VAR([LT_SYS_LIBRARY_PATH],
+[User-defined run-time library search path.])
+
+case $host_os in
+aix3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='$libname$release$shared_ext$major'
+  ;;
+
+aix[[4-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test ia64 = "$host_cpu"; then
+    # AIX 5 supports IA64
+    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line '#! .'.  This would cause the generated library to
+    # depend on '.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[[01]] | aix4.[[01]].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
+    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a[(]lib.so.V[)]'
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)]"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)], lib.a[(]lib.so.V[)]"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a[(]lib.so.V[)], lib.so.V[(]$shared_archive_member_spec.o[)]"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='$libname$shared_ext'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[[45]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$cc_basename in
+  yes,*)
+    # gcc
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo $libname | $SED -e 's/^lib/cyg/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+m4_if([$1], [],[
+      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"])
+      ;;
+    mingw* | cegcc*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo $libname | $SED -e 's/^lib/pw/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+      ;;
+    esac
+    dynamic_linker='Win32 ld.exe'
+    ;;
+
+  *,cl* | *,icl*)
+    # Native MSVC or ICC
+    libname_spec='$name'
+    soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+    library_names_spec='$libname.dll.lib'
+
+    case $build_os in
+    mingw*)
+      sys_lib_search_path_spec=
+      lt_save_ifs=$IFS
+      IFS=';'
+      for lt_path in $LIB
+      do
+        IFS=$lt_save_ifs
+        # Let DOS variable expansion print the short 8.3 style file name.
+        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+      done
+      IFS=$lt_save_ifs
+      # Convert to MSYS style.
+      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'`
+      ;;
+    cygwin*)
+      # Convert to unix form, then to dos form, then back to unix form
+      # but this time dos style (no spaces!) so that the unix form looks
+      # like /cygdrive/c/PROGRA~1:/cygdr...
+      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      ;;
+    *)
+      sys_lib_search_path_spec=$LIB
+      if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then
+        # It is most probably a Windows format PATH.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      # FIXME: find the short name or the path components, as spaces are
+      # common. (e.g. "Program Files" -> "PROGRA~1")
+      ;;
+    esac
+
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+    dynamic_linker='Win32 link.exe'
+    ;;
+
+  *)
+    # Assume MSVC and ICC wrapper
+    library_names_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext $libname.lib'
+    dynamic_linker='Win32 ld.exe'
+    ;;
+  esac
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$major$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+m4_if([$1], [],[
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd* | dragonfly* | midnightbsd*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[[23]].*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2.*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+  freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+haiku*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  dynamic_linker="$host_os runtime_loader"
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    if test 32 = "$HPUX_IA64_MODE"; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
+    fi
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+  postinstall_cmds='chmod 555 $lib'
+  # or fails outright, so override atomically:
+  install_override_mode=555
+  ;;
+
+interix[[3-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test yes = "$lt_cv_prog_gnu_ld"; then
+		version_type=linux # correct to gnu/linux during the next big refactor
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
+  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+linux*android*)
+  version_type=none # Android doesn't support versioned libraries.
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext'
+  soname_spec='$libname$release$shared_ext'
+  finish_cmds=
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  dynamic_linker='Android linker'
+  # Don't embed -rpath directories since the linker doesn't support them.
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # Some binutils ld are patched to set DT_RUNPATH
+  AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath],
+    [lt_cv_shlibpath_overrides_runpath=no
+    save_LDFLAGS=$LDFLAGS
+    save_libdir=$libdir
+    eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
+	 LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+      [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null],
+	 [lt_cv_shlibpath_overrides_runpath=yes])])
+    LDFLAGS=$save_LDFLAGS
+    libdir=$save_libdir
+    ])
+  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Add ABI-specific directories to the system library path.
+  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
+
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd* | bitrig*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec=/usr/lib
+  need_lib_prefix=no
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    need_version=no
+  else
+    need_version=yes
+  fi
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+os2*)
+  libname_spec='$name'
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test yes = "$with_gnu_ld"; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec; then
+    version_type=linux # correct to gnu/linux during the next big refactor
+    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
+    soname_spec='$libname$shared_ext.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=sco
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test yes = "$with_gnu_ld"; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test no = "$dynamic_linker" && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test yes = "$GCC"; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
+  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
+fi
+
+if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
+  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
+fi
+
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+_LT_DECL([], [variables_saved_for_relink], [1],
+    [Variables whose values should be saved in libtool wrapper scripts and
+    restored at link time])
+_LT_DECL([], [need_lib_prefix], [0],
+    [Do we need the "lib" prefix for modules?])
+_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
+_LT_DECL([], [version_type], [0], [Library versioning type])
+_LT_DECL([], [runpath_var], [0],  [Shared library runtime path variable])
+_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
+_LT_DECL([], [shlibpath_overrides_runpath], [0],
+    [Is shlibpath searched before the hard-coded library search path?])
+_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
+_LT_DECL([], [library_names_spec], [1],
+    [[List of archive names.  First name is the real one, the rest are links.
+    The last name is the one that the linker finds with -lNAME]])
+_LT_DECL([], [soname_spec], [1],
+    [[The coded name of the library, if different from the real name]])
+_LT_DECL([], [install_override_mode], [1],
+    [Permission mode override for installation of shared libraries])
+_LT_DECL([], [postinstall_cmds], [2],
+    [Command to use after installation of a shared archive])
+_LT_DECL([], [postuninstall_cmds], [2],
+    [Command to use after uninstallation of a shared archive])
+_LT_DECL([], [finish_cmds], [2],
+    [Commands used to finish a libtool library installation in a directory])
+_LT_DECL([], [finish_eval], [1],
+    [[As "finish_cmds", except a single script fragment to be evaled but
+    not shown]])
+_LT_DECL([], [hardcode_into_libs], [0],
+    [Whether we should hardcode library paths into libraries])
+_LT_DECL([], [sys_lib_search_path_spec], [2],
+    [Compile-time system search path for libraries])
+_LT_DECL([sys_lib_dlsearch_path_spec], [configure_time_dlsearch_path], [2],
+    [Detected run-time system search path for libraries])
+_LT_DECL([], [configure_time_lt_sys_library_path], [2],
+    [Explicit LT_SYS_LIBRARY_PATH set during ./configure time])
+])# _LT_SYS_DYNAMIC_LINKER
+
+
+# _LT_PATH_TOOL_PREFIX(TOOL)
+# --------------------------
+# find a file program that can recognize shared library
+AC_DEFUN([_LT_PATH_TOOL_PREFIX],
+[m4_require([_LT_DECL_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] |  ?:[\\/]*])
+  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD=$MAGIC_CMD
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word.  This closes a longstanding sh security hole.
+  ac_dummy="m4_if([$2], , $PATH, [$2])"
+  for ac_dir in $ac_dummy; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$1"; then
+      lt_cv_path_MAGIC_CMD=$ac_dir/"$1"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS=$lt_save_ifs
+  MAGIC_CMD=$lt_save_MAGIC_CMD
+  ;;
+esac])
+MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+if test -n "$MAGIC_CMD"; then
+  AC_MSG_RESULT($MAGIC_CMD)
+else
+  AC_MSG_RESULT(no)
+fi
+_LT_DECL([], [MAGIC_CMD], [0],
+	 [Used to examine libraries when file_magic_cmd begins with "file"])dnl
+])# _LT_PATH_TOOL_PREFIX
+
+# Old name:
+AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
+
+
+# _LT_PATH_MAGIC
+# --------------
+# find a file program that can recognize a shared library
+m4_defun([_LT_PATH_MAGIC],
+[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+  else
+    MAGIC_CMD=:
+  fi
+fi
+])# _LT_PATH_MAGIC
+
+
+# LT_PATH_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([LT_PATH_LD],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PROG_ECHO_BACKSLASH])dnl
+
+AC_ARG_WITH([gnu-ld],
+    [AS_HELP_STRING([--with-gnu-ld],
+	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
+    [test no = "$withval" || with_gnu_ld=yes],
+    [with_gnu_ld=no])dnl
+
+ac_prog=ld
+if test yes = "$GCC"; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by $CC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return, which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD=$ac_prog
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test yes = "$with_gnu_ld"; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD=$ac_dir/$ac_prog
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test no != "$with_gnu_ld" && break
+	;;
+      *)
+	test yes != "$with_gnu_ld" && break
+	;;
+      esac
+    fi
+  done
+  IFS=$lt_save_ifs
+else
+  lt_cv_path_LD=$LD # Let the user override the test with a path.
+fi])
+LD=$lt_cv_path_LD
+if test -n "$LD"; then
+  AC_MSG_RESULT($LD)
+else
+  AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+_LT_PATH_LD_GNU
+AC_SUBST([LD])
+
+_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
+])# LT_PATH_LD
+
+# Old names:
+AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
+AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_LD], [])
+dnl AC_DEFUN([AC_PROG_LD], [])
+
+
+# _LT_PATH_LD_GNU
+#- --------------
+m4_defun([_LT_PATH_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# _LT_PATH_LD_GNU
+
+
+# _LT_CMD_RELOAD
+# --------------
+# find reload flag for linker
+#   -- PORTME Some linkers may need a different reload flag.
+m4_defun([_LT_CMD_RELOAD],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+  lt_cv_ld_reload_flag,
+  [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    if test yes != "$GCC"; then
+      reload_cmds=false
+    fi
+    ;;
+  darwin*)
+    if test yes = "$GCC"; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+_LT_TAGDECL([], [reload_flag], [1], [How to create reloadable object files])dnl
+_LT_TAGDECL([], [reload_cmds], [2])dnl
+])# _LT_CMD_RELOAD
+
+
+# _LT_PATH_DD
+# -----------
+# find a working dd
+m4_defun([_LT_PATH_DD],
+[AC_CACHE_CHECK([for a working dd], [ac_cv_path_lt_DD],
+[printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+: ${lt_DD:=$DD}
+AC_PATH_PROGS_FEATURE_CHECK([lt_DD], [dd],
+[if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
+fi])
+rm -f conftest.i conftest2.i conftest.out])
+])# _LT_PATH_DD
+
+
+# _LT_CMD_TRUNCATE
+# ----------------
+# find command to truncate a binary pipe
+m4_defun([_LT_CMD_TRUNCATE],
+[m4_require([_LT_PATH_DD])
+AC_CACHE_CHECK([how to truncate binary pipes], [lt_cv_truncate_bin],
+[printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+lt_cv_truncate_bin=
+if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
+fi
+rm -f conftest.i conftest2.i conftest.out
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"])
+_LT_DECL([lt_truncate_bin], [lt_cv_truncate_bin], [1],
+  [Command to truncate a binary pipe])
+])# _LT_CMD_TRUNCATE
+
+
+# _LT_CHECK_MAGIC_METHOD
+# ----------------------
+# how to check for library dependencies
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_MAGIC_METHOD],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# 'unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# that responds to the $file_magic_cmd with a given extended regex.
+# If you have 'file' or equivalent on your system and you're not sure
+# whether 'pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[[45]]*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='$FILECMD -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    # Keep this pattern in sync with the one in func_win32_libid.
+    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+cegcc*)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly* | midnightbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=$FILECMD
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+haiku*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=$FILECMD
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]']
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[[3-9]]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=$FILECMD
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd* | bitrig*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+os2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+])
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+  case $host_os in
+  mingw* | pw32*)
+    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+      want_nocaseglob=yes
+    else
+      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"`
+    fi
+    ;;
+  esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+_LT_DECL([], [deplibs_check_method], [1],
+    [Method to check whether dependent libraries are shared objects])
+_LT_DECL([], [file_magic_cmd], [1],
+    [Command to use when deplibs_check_method = "file_magic"])
+_LT_DECL([], [file_magic_glob], [1],
+    [How to find potential files when deplibs_check_method = "file_magic"])
+_LT_DECL([], [want_nocaseglob], [1],
+    [Find potential files using nocaseglob when deplibs_check_method = "file_magic"])
+])# _LT_CHECK_MAGIC_METHOD
+
+
+# LT_PATH_NM
+# ----------
+# find the pathname to a BSD- or MS-compatible name lister
+AC_DEFUN([LT_PATH_NM],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
+[if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM=$NM
+else
+  lt_nm_to_check=${ac_tool_prefix}nm
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS=$lt_save_ifs
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm=$ac_dir/$lt_tmp_nm
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
+	case $build_os in
+	mingw*) lt_bad_file=conftest.nm/nofile ;;
+	*) lt_bad_file=/dev/null ;;
+	esac
+	case `"$tmp_nm" -B $lt_bad_file 2>&1 | $SED '1q'` in
+	*$lt_bad_file* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break 2
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | $SED '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break 2
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS=$lt_save_ifs
+  done
+  : ${lt_cv_path_NM=no}
+fi])
+if test no != "$lt_cv_path_NM"; then
+  NM=$lt_cv_path_NM
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$DUMPBIN"; then :
+    # Let the user override the test.
+  else
+    AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :)
+    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | $SED '1q'` in
+    *COFF*)
+      DUMPBIN="$DUMPBIN -symbols -headers"
+      ;;
+    *)
+      DUMPBIN=:
+      ;;
+    esac
+  fi
+  AC_SUBST([DUMPBIN])
+  if test : != "$DUMPBIN"; then
+    NM=$DUMPBIN
+  fi
+fi
+test -z "$NM" && NM=nm
+AC_SUBST([NM])
+_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
+
+AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
+  [lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
+  cat conftest.out >&AS_MESSAGE_LOG_FD
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*])
+])# LT_PATH_NM
+
+# Old names:
+AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
+AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_NM], [])
+dnl AC_DEFUN([AC_PROG_NM], [])
+
+# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+# --------------------------------
+# how to determine the name of the shared library
+# associated with a specific link library.
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+m4_require([_LT_DECL_DLLTOOL])
+AC_CACHE_CHECK([how to associate runtime and link libraries],
+lt_cv_sharedlib_from_linklib_cmd,
+[lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+  # two different shell functions defined in ltmain.sh;
+  # decide which one to use based on capabilities of $DLLTOOL
+  case `$DLLTOOL --help 2>&1` in
+  *--identify-strict*)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+    ;;
+  *)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+    ;;
+  esac
+  ;;
+*)
+  # fallback: assume linklib IS sharedlib
+  lt_cv_sharedlib_from_linklib_cmd=$ECHO
+  ;;
+esac
+])
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+_LT_DECL([], [sharedlib_from_linklib_cmd], [1],
+    [Command to associate shared and link libraries])
+])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+
+
+# _LT_PATH_MANIFEST_TOOL
+# ----------------------
+# locate the manifest tool
+m4_defun([_LT_PATH_MANIFEST_TOOL],
+[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :)
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool],
+  [lt_cv_path_mainfest_tool=no
+  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD
+  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+    lt_cv_path_mainfest_tool=yes
+  fi
+  rm -f conftest*])
+if test yes != "$lt_cv_path_mainfest_tool"; then
+  MANIFEST_TOOL=:
+fi
+_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl
+])# _LT_PATH_MANIFEST_TOOL
+
+
+# _LT_DLL_DEF_P([FILE])
+# ---------------------
+# True iff FILE is a Windows DLL '.def' file.
+# Keep in sync with func_dll_def_p in the libtool script
+AC_DEFUN([_LT_DLL_DEF_P],
+[dnl
+  test DEF = "`$SED -n dnl
+    -e '\''s/^[[	 ]]*//'\'' dnl Strip leading whitespace
+    -e '\''/^\(;.*\)*$/d'\'' dnl      Delete empty lines and comments
+    -e '\''s/^\(EXPORTS\|LIBRARY\)\([[	 ]].*\)*$/DEF/p'\'' dnl
+    -e q dnl                          Only consider the first "real" line
+    $1`" dnl
+])# _LT_DLL_DEF_P
+
+
+# LT_LIB_M
+# --------
+# check for math library
+AC_DEFUN([LT_LIB_M],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
+  # These system don't have libm, or don't need it
+  ;;
+*-ncr-sysv4.3*)
+  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw)
+  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+  ;;
+*)
+  AC_CHECK_LIB(m, cos, LIBM=-lm)
+  ;;
+esac
+AC_SUBST([LIBM])
+])# LT_LIB_M
+
+# Old name:
+AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_CHECK_LIBM], [])
+
+
+# _LT_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------
+m4_defun([_LT_COMPILER_NO_RTTI],
+[m4_require([_LT_TAG_COMPILER])dnl
+
+_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test yes = "$GCC"; then
+  case $cc_basename in
+  nvcc*)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;;
+  esac
+
+  _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+    lt_cv_prog_compiler_rtti_exceptions,
+    [-fno-rtti -fno-exceptions], [],
+    [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
+	[Compiler flag to turn off builtin functions])
+])# _LT_COMPILER_NO_RTTI
+
+
+# _LT_CMD_GLOBAL_SYMBOLS
+# ----------------------
+m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[[BCDT]]'
+  ;;
+cygwin* | mingw* | pw32* | cegcc*)
+  symcode='[[ABCDGISTW]]'
+  ;;
+hpux*)
+  if test ia64 = "$host_cpu"; then
+    symcode='[[ABCDEGRST]]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[[BCDEGRST]]'
+  ;;
+osf*)
+  symcode='[[BCDEGQRST]]'
+  ;;
+solaris*)
+  symcode='[[BDRT]]'
+  ;;
+sco3.2v5*)
+  symcode='[[DT]]'
+  ;;
+sysv4.2uw2*)
+  symcode='[[DT]]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[[ABDT]]'
+  ;;
+sysv4)
+  symcode='[[DFNSTU]]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  # Gets list of data symbols to import.
+  lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'"
+  # Adjust the below global symbol transforms to fixup imported variables.
+  lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'"
+  lt_c_name_hook=" -e 's/^I .* \(.*\)$/  {\"\1\", (void *) 0},/p'"
+  lt_c_name_lib_hook="\
+  -e 's/^I .* \(lib.*\)$/  {\"\1\", (void *) 0},/p'\
+  -e 's/^I .* \(.*\)$/  {\"lib\1\", (void *) 0},/p'"
+else
+  # Disable hooks by default.
+  lt_cv_sys_global_symbol_to_import=
+  lt_cdecl_hook=
+  lt_c_name_hook=
+  lt_c_name_lib_hook=
+fi
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="$SED -n"\
+$lt_cdecl_hook\
+" -e 's/^T .* \(.*\)$/extern int \1();/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\
+$lt_c_name_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/p'"
+
+# Transform an extracted symbol line into symbol name with lib prefix and
+# symbol address.
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\
+$lt_c_name_lib_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(lib.*\)$/  {\"\1\", (void *) \&\1},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"lib\1\", (void *) \&\1},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function,
+    # D for any global variable and I for any imported variable.
+    # Also find C++ and __fastcall symbols from MSVC++ or ICC,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK ['"\
+"     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\
+"     /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
+"     /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\
+"     {split(\$ 0,a,/\||\r/); split(a[2],s)};"\
+"     s[1]~/^[@?]/{print f,s[1],s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx]"
+  else
+    lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[	 ]]\($symcode$symcode*\)[[	 ]][[	 ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'"
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if AC_TRY_EVAL(ac_compile); then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
+/* DATA imports from DLLs on WIN32 can't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT@&t@_DLSYM_CONST
+#elif defined __osf__
+/* This system does not cope well with relocations in const data.  */
+# define LT@&t@_DLSYM_CONST
+#else
+# define LT@&t@_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+LT@&t@_DLSYM_CONST struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[[]] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_globsym_save_LIBS=$LIBS
+	  lt_globsym_save_CFLAGS=$CFLAGS
+	  LIBS=conftstm.$ac_objext
+	  CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+	  if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then
+	    pipe_works=yes
+	  fi
+	  LIBS=$lt_globsym_save_LIBS
+	  CFLAGS=$lt_globsym_save_CFLAGS
+	else
+	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+    fi
+  else
+    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test yes = "$pipe_works"; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  AC_MSG_RESULT(failed)
+else
+  AC_MSG_RESULT(ok)
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then
+  nm_file_list_spec='@'
+fi
+
+_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
+    [Take the output of nm and produce a listing of raw symbols and C names])
+_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
+    [Transform the output of nm in a proper C declaration])
+_LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1],
+    [Transform the output of nm into a list of symbols to manually relocate])
+_LT_DECL([global_symbol_to_c_name_address],
+    [lt_cv_sys_global_symbol_to_c_name_address], [1],
+    [Transform the output of nm in a C name address pair])
+_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
+    [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
+    [Transform the output of nm in a C name address pair when lib prefix is needed])
+_LT_DECL([nm_interface], [lt_cv_nm_interface], [1],
+    [The name lister interface])
+_LT_DECL([], [nm_file_list_spec], [1],
+    [Specify filename containing input files for $NM])
+]) # _LT_CMD_GLOBAL_SYMBOLS
+
+
+# _LT_COMPILER_PIC([TAGNAME])
+# ---------------------------
+m4_defun([_LT_COMPILER_PIC],
+[m4_require([_LT_TAG_COMPILER])dnl
+_LT_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_TAGVAR(lt_prog_compiler_static, $1)=
+
+m4_if([$1], [CXX], [
+  # C++ specific cases for pic, static, wl, etc.
+  if test yes = "$GXX"; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+    aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+    mingw* | cygwin* | os2* | pw32* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+    *djgpp*)
+      # DJGPP does not support shared libraries at all
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+      ;;
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+    *qnx* | *nto*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    case $host_os in
+      aix[[4-9]]*)
+	# All AIX code is PIC.
+	if test ia64 = "$host_cpu"; then
+	  # AIX 5 now supports IA64 processor
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	else
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+	fi
+	;;
+      chorus*)
+	case $cc_basename in
+	cxch68*)
+	  # Green Hills C++ Compiler
+	  # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+	  ;;
+	esac
+	;;
+      mingw* | cygwin* | os2* | pw32* | cegcc*)
+	# This hack is so that the source file can tell whether it is being
+	# built for inclusion in a dll (and should export symbols for example).
+	m4_if([$1], [GCJ], [],
+	  [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+	;;
+      dgux*)
+	case $cc_basename in
+	  ec++*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  ghcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      freebsd* | dragonfly* | midnightbsd*)
+	# FreeBSD uses GNU C++
+	;;
+      hpux9* | hpux10* | hpux11*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+	    if test ia64 != "$host_cpu"; then
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	    fi
+	    ;;
+	  aCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+	    case $host_cpu in
+	    hppa*64*|ia64*)
+	      # +Z the default
+	      ;;
+	    *)
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	      ;;
+	    esac
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
+      irix5* | irix6* | nonstopux*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    # CC pic flag -KPIC is the default.
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+	case $cc_basename in
+	  KCC*)
+	    # KAI C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    ;;
+	  ecpc* )
+	    # old Intel C++ for x86_64, which still supported -KPIC.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  icpc* )
+	    # Intel C++, used to be incompatible with GCC.
+	    # ICC 10 doesn't accept -KPIC any more.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  pgCC* | pgcpp*)
+	    # Portland Group C++ compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  cxx*)
+	    # Compaq C++
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*)
+	    # IBM XL 8.0, 9.0 on PPC and BlueGene
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | $SED 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+      lynxos*)
+	;;
+      m88k*)
+	;;
+      mvs*)
+	case $cc_basename in
+	  cxx*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      netbsd*)
+	;;
+      *qnx* | *nto*)
+        # QNX uses GNU C++, but need to define -shared option too, otherwise
+        # it will coredump.
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+        ;;
+      osf3* | osf4* | osf5*)
+	case $cc_basename in
+	  KCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    ;;
+	  RCC*)
+	    # Rational C++ 2.4.1
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  cxx*)
+	    # Digital/Compaq C++
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      psos*)
+	;;
+      solaris*)
+	case $cc_basename in
+	  CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	    ;;
+	  gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sunos4*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.x
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  lcc*)
+	    # Lucid
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	esac
+	;;
+      tandem*)
+	case $cc_basename in
+	  NCC*)
+	    # NonStop-UX NCC 3.20
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      vxworks*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+	;;
+    esac
+  fi
+],
+[
+  if test yes = "$GCC"; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+
+    case $cc_basename in
+    nvcc*) # Cuda Compiler Driver 2.2
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
+      if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
+      fi
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      else
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      case $cc_basename in
+      nagfor*)
+        # NAG Fortran compiler
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      esac
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC (with -KPIC) is the default.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+      case $cc_basename in
+      # old Intel for x86_64, which still supported -KPIC.
+      ecc*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # icc used to be incompatible with GCC.
+      # ICC 10 doesn't accept -KPIC any more.
+      icc* | ifort*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # Lahey Fortran 8.1.
+      lf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
+	;;
+      nagfor*)
+	# NAG Fortran compiler
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	;;
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	;;
+      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      ccc*)
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+        # All Alpha code is PIC.
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+        ;;
+      xl* | bgxl* | bgf* | mpixl*)
+	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | $SED 5q` in
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
+	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	  ;;
+	*Sun\ C*)
+	  # Sun C 5.9
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  ;;
+        *Intel*\ [[CF]]*Compiler*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	  ;;
+	*Portland\ Group*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # All OSF/1 code is PIC.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    rdos*)
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    unicos*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+    esac
+  fi
+])
+case $host_os in
+  # For platforms that do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+    ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
+    ;;
+esac
+
+AC_CACHE_CHECK([for $compiler option to produce PIC],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+  _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
+    [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
+    [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
+    [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
+     "" | " "*) ;;
+     *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+     esac],
+    [_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+     _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
+	[Additional compiler flags for building library objects])
+
+_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
+	[How to pass a linker flag through the compiler])
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
+_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+  _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+  $lt_tmp_static_flag,
+  [],
+  [_LT_TAGVAR(lt_prog_compiler_static, $1)=])
+_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
+	[Compiler flag to prevent dynamic linking])
+])# _LT_COMPILER_PIC
+
+
+# _LT_LINKER_SHLIBS([TAGNAME])
+# ----------------------------
+# See if the linker supports building shared libraries.
+m4_defun([_LT_LINKER_SHLIBS],
+[AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+m4_if([$1], [CXX], [
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  case $host_os in
+  aix[[4-9]]*)
+    # If we're using GNU nm, then we don't want the "-C" option.
+    # -C means demangle to GNU nm, but means don't demangle to AIX nm.
+    # Without the "-l" option, or with the "-B" option, AIX nm treats
+    # weak defined symbols like other global defined symbols, whereas
+    # GNU nm marks them as "W".
+    # While the 'weak' keyword is ignored in the Export File, we need
+    # it in the Import File for the 'aix-soname' feature, so we have
+    # to replace the "-B" option with "-P" for AIX nm.
+    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+    else
+      _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+    fi
+    ;;
+  pw32*)
+    _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds
+    ;;
+  cygwin* | mingw* | cegcc*)
+    case $cc_basename in
+    cl* | icl*)
+      _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+      ;;
+    *)
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+      ;;
+    esac
+    ;;
+  *)
+    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+    ;;
+  esac
+], [
+  runpath_var=
+  _LT_TAGVAR(allow_undefined_flag, $1)=
+  _LT_TAGVAR(always_export_symbols, $1)=no
+  _LT_TAGVAR(archive_cmds, $1)=
+  _LT_TAGVAR(archive_expsym_cmds, $1)=
+  _LT_TAGVAR(compiler_needs_object, $1)=no
+  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+  _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(hardcode_automatic, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+  _LT_TAGVAR(hardcode_minus_L, $1)=no
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  _LT_TAGVAR(inherit_rpath, $1)=no
+  _LT_TAGVAR(link_all_deplibs, $1)=unknown
+  _LT_TAGVAR(module_cmds, $1)=
+  _LT_TAGVAR(module_expsym_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_new_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+  _LT_TAGVAR(thread_safe_flag_spec, $1)=
+  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  _LT_TAGVAR(include_expsyms, $1)=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ' (' and ')$', so one must not match beginning or
+  # end of line.  Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc',
+  # as well as any symbol that contains 'd'.
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    # FIXME: the MSVC++ and ICC port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++ or Intel C++ Compiler.
+    if test yes != "$GCC"; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++ or ICC)
+    with_gnu_ld=yes
+    ;;
+  openbsd* | bitrig*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  _LT_TAGVAR(ld_shlibs, $1)=yes
+
+  # On some targets, GNU ld is compatible enough with the native linker
+  # that we're better off using the native interface for both.
+  lt_use_gnu_ld_interface=no
+  if test yes = "$with_gnu_ld"; then
+    case $host_os in
+      aix*)
+	# The AIX port of GNU ld has always aspired to compatibility
+	# with the native linker.  However, as the warning in the GNU ld
+	# block says, versions before 2.19.5* couldn't really create working
+	# shared libraries, regardless of the interface used.
+	case `$LD -v 2>&1` in
+	  *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+	  *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;;
+	  *\ \(GNU\ Binutils\)\ [[3-9]]*) ;;
+	  *)
+	    lt_use_gnu_ld_interface=yes
+	    ;;
+	esac
+	;;
+      *)
+	lt_use_gnu_ld_interface=yes
+	;;
+    esac
+  fi
+
+  if test yes = "$lt_use_gnu_ld_interface"; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='$wl'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+    else
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v | $SED -e 's/([[^)]]\+)\s\+//' 2>&1` in
+      *GNU\ gold*) supports_anon_versioning=yes ;;
+      *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[[3-9]]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test ia64 != "$host_cpu"; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	_LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+      # as there is no search path for DLLs.
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=no
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file, use it as
+	# is; otherwise, prepend EXPORTS...
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+          cp $export_symbols $output_objdir/$soname.def;
+        else
+          echo EXPORTS > $output_objdir/$soname.def;
+          cat $export_symbols >> $output_objdir/$soname.def;
+        fi~
+        $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    haiku*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      shrext_cmds=.dll
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='@'
+      ;;
+
+    interix[[3-9]]*)
+      _LT_TAGVAR(hardcode_direct, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$SED "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+      tmp_diet=no
+      if test linux-dietlibc = "$host_os"; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test no = "$tmp_diet"
+      then
+	tmp_addflag=' $pic_flag'
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95* | pgfortran*)
+					# Portland Group f77 and f90 compilers
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	lf95*)				# Lahey Fortran 8.1
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+	  tmp_sharedflag='--shared' ;;
+        nagfor*)                        # NAGFOR 5.3
+          tmp_sharedflag='-Wl,-shared' ;;
+	xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	nvcc*)	# Cuda Compiler Driver 2.2
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  ;;
+	esac
+	case `$CC -V 2>&1 | $SED 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	_LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+
+        if test yes = "$supports_anon_versioning"; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+            cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+            echo "local: *; };" >> $output_objdir/$libname.ver~
+            $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	tcc*)
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic'
+	  ;;
+	xlf* | bgf* | bgxlf* | mpixlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+	  if test yes = "$supports_anon_versioning"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+              cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+              echo "local: *; };" >> $output_objdir/$libname.ver~
+              $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        _LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+    esac
+
+    if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then
+      runpath_var=
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	_LT_TAGVAR(hardcode_direct, $1)=unsupported
+      fi
+      ;;
+
+    aix[[4-9]]*)
+      if test ia64 = "$host_cpu"; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to GNU nm, but means don't demangle to AIX nm.
+	# Without the "-l" option, or with the "-B" option, AIX nm treats
+	# weak defined symbols like other global defined symbols, whereas
+	# GNU nm marks them as "W".
+	# While the 'weak' keyword is ignored in the Export File, we need
+	# it in the Import File for the 'aix-soname' feature, so we have
+	# to replace the "-B" option with "-P" for AIX nm.
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+	else
+	  _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# have runtime linking enabled, and use it for executables.
+	# For shared libraries, we enable/disable runtime linking
+	# depending on the kind of the shared library created -
+	# when "with_aix_soname,aix_use_runtimelinking" is:
+	# "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "aix,yes"  lib.so          shared, rtl:yes, for executables
+	#            lib.a           static archive
+	# "both,no"  lib.so.V(shr.o) shared, rtl:yes
+	#            lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a(lib.so.V) shared, rtl:no
+	# "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a           static archive
+	case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	    # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	    # so we don't have lib.a shared libs to link our executables.
+	    # We have to force runtime linking in this case.
+	    aix_use_runtimelinking=yes
+	    LDFLAGS="$LDFLAGS -Wl,-brtl"
+	  fi
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      _LT_TAGVAR(archive_cmds, $1)=''
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
+      case $with_aix_soname,$aix_use_runtimelinking in
+      aix,*) ;; # traditional, no import file
+      svr4,* | *,yes) # use import file
+	# The Import File defines what to hardcode.
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+	;;
+      esac
+
+      if test yes = "$GCC"; then
+	case $host_os in aix4.[[012]]|aix4.[[012]].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test yes = "$aix_use_runtimelinking"; then
+	  shared_flag="$shared_flag "'$wl-G'
+	fi
+	# Need to ensure runtime linking is disabled for the traditional
+	# shared library, or the linker may eventually find shared libraries
+	# /with/ Import File - we do not want to mix them.
+	shared_flag_aix='-shared'
+	shared_flag_svr4='-shared $wl-G'
+      else
+	# not using gcc
+	if test ia64 = "$host_cpu"; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag='$wl-G'
+	  else
+	    shared_flag='$wl-bM:SRE'
+	  fi
+	  shared_flag_aix='$wl-bM:SRE'
+	  shared_flag_svr4='$wl-G'
+	fi
+      fi
+
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	_LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        _LT_SYS_MODULE_PATH_AIX([$1])
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+      else
+	if test ia64 = "$host_cpu"; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
+	  _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 _LT_SYS_MODULE_PATH_AIX([$1])
+	 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
+	  if test yes = "$with_gnu_ld"; then
+	    # We only use this code for GNU lds that support --whole-archive.
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	  else
+	    # Exported symbols can be pulled into shared objects from archives
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	  fi
+	  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	  # -brtl affects multiple linker settings, -berok does not and is overridden later
+	  compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`'
+	  if test svr4 != "$with_aix_soname"; then
+	    # This is similar to how AIX traditionally builds its shared libraries.
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	  fi
+	  if test aix != "$with_aix_soname"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	  else
+	    # used by -dlpreopen to get the symbols
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	  fi
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[[45]]*)
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++ or Intel C++ Compiler.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      case $cc_basename in
+      cl* | icl*)
+	# Native MSVC or ICC
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	_LT_TAGVAR(always_export_symbols, $1)=yes
+	_LT_TAGVAR(file_list_spec, $1)='@'
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+            cp "$export_symbols" "$output_objdir/$soname.def";
+            echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+          else
+            $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+          fi~
+          $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+          linknames='
+	# The linker will not automatically build a static lib if we build a DLL.
+	# _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	_LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+	# Don't use ranlib
+	_LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	_LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+          lt_tool_outputfile="@TOOL_OUTPUT@"~
+          case $lt_outputfile in
+            *.exe|*.EXE) ;;
+            *)
+              lt_outputfile=$lt_outputfile.exe
+              lt_tool_outputfile=$lt_tool_outputfile.exe
+              ;;
+          esac~
+          if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+            $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+            $RM "$lt_outputfile.manifest";
+          fi'
+	;;
+      *)
+	# Assume MSVC and ICC wrapper
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+	# The linker will automatically build a .lib file if we build a DLL.
+	_LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	# FIXME: Should let the user specify the lib program.
+	_LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      _LT_DARWIN_LINKER_FEATURES($1)
+      ;;
+
+    dgux*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2.*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly* | midnightbsd*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    hpux9*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+      ;;
+
+    hpux10*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test no = "$with_gnu_ld"; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	m4_if($1, [], [
+	  # Older versions of the 11.00 compiler do not understand -b yet
+	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+	  _LT_LINKER_OPTION([if $CC understands -b],
+	    _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b],
+	    [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'],
+	    [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])],
+	  [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'])
+	  ;;
+	esac
+      fi
+      if test no = "$with_gnu_ld"; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  ;;
+	*)
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+	# This should be the same for all languages, so no per-tag cache variable.
+	AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol],
+	  [lt_cv_irix_exported_symbol],
+	  [save_LDFLAGS=$LDFLAGS
+	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
+	   AC_LINK_IFELSE(
+	     [AC_LANG_SOURCE(
+	        [AC_LANG_CASE([C], [[int foo (void) { return 0; }]],
+			      [C++], [[int foo (void) { return 0; }]],
+			      [Fortran 77], [[
+      subroutine foo
+      end]],
+			      [Fortran], [[
+      subroutine foo
+      end]])])],
+	      [lt_cv_irix_exported_symbol=yes],
+	      [lt_cv_irix_exported_symbol=no])
+           LDFLAGS=$save_LDFLAGS])
+	if test yes = "$lt_cv_irix_exported_symbol"; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
+	fi
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(inherit_rpath, $1)=yes
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    linux*)
+      case $cc_basename in
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+      esac
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd* | bitrig*)
+      if test -f /usr/libexec/ld.so; then
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	else
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	fi
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      shrext_cmds=.dll
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='@'
+      ;;
+
+    osf3*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+          $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
+      if test yes = "$GCC"; then
+	wlarc='$wl'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+          $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='$wl'
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      case $host_os in
+      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands '-z linker_flag'.  GCC discards it without '$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test yes = "$GCC"; then
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+	else
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    sunos4*)
+      if test sequent = "$host_vendor"; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+        ;;
+	motorola)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4.3*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We CANNOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      _LT_TAGVAR(ld_shlibs, $1)=no
+      ;;
+    esac
+
+    if test sni = "$host_vendor"; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+])
+AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
+
+_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
+
+_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl
+_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl
+_LT_DECL([], [extract_expsyms_cmds], [2],
+    [The commands to extract the exported symbol list from a shared archive])
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+  # Assume -lc should be added
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+  if test yes,yes = "$GCC,$enable_shared"; then
+    case $_LT_TAGVAR(archive_cmds, $1) in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      AC_CACHE_CHECK([whether -lc should be explicitly linked in],
+	[lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1),
+	[$RM conftest*
+	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+	if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
+	  soname=conftest
+	  lib=conftest
+	  libobjs=conftest.$ac_objext
+	  deplibs=
+	  wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
+	  pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
+	  compiler_flags=-v
+	  linker_flags=-v
+	  verstring=
+	  output_objdir=.
+	  libname=conftest
+	  lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
+	  _LT_TAGVAR(allow_undefined_flag, $1)=
+	  if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
+	  then
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	  else
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  fi
+	  _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+	else
+	  cat conftest.err 1>&5
+	fi
+	$RM conftest*
+	])
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0],
+    [Whether or not to add -lc for building shared libraries])
+_LT_TAGDECL([allow_libtool_libs_with_static_runtimes],
+    [enable_shared_with_static_runtimes], [0],
+    [Whether or not to disallow shared libs when runtime libs are static])
+_LT_TAGDECL([], [export_dynamic_flag_spec], [1],
+    [Compiler flag to allow reflexive dlopens])
+_LT_TAGDECL([], [whole_archive_flag_spec], [1],
+    [Compiler flag to generate shared objects directly from archives])
+_LT_TAGDECL([], [compiler_needs_object], [1],
+    [Whether the compiler copes with passing no objects directly])
+_LT_TAGDECL([], [old_archive_from_new_cmds], [2],
+    [Create an old-style archive from a shared archive])
+_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2],
+    [Create a temporary old-style archive to link instead of a shared archive])
+_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive])
+_LT_TAGDECL([], [archive_expsym_cmds], [2])
+_LT_TAGDECL([], [module_cmds], [2],
+    [Commands used to build a loadable module if different from building
+    a shared archive.])
+_LT_TAGDECL([], [module_expsym_cmds], [2])
+_LT_TAGDECL([], [with_gnu_ld], [1],
+    [Whether we are building with GNU ld or not])
+_LT_TAGDECL([], [allow_undefined_flag], [1],
+    [Flag that allows shared libraries with undefined symbols to be built])
+_LT_TAGDECL([], [no_undefined_flag], [1],
+    [Flag that enforces no undefined symbols])
+_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
+    [Flag to hardcode $libdir into a binary during linking.
+    This must work even if $libdir does not exist])
+_LT_TAGDECL([], [hardcode_libdir_separator], [1],
+    [Whether we need a single "-rpath" flag with a separated argument])
+_LT_TAGDECL([], [hardcode_direct], [0],
+    [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
+    DIR into the resulting binary])
+_LT_TAGDECL([], [hardcode_direct_absolute], [0],
+    [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
+    DIR into the resulting binary and the resulting library dependency is
+    "absolute", i.e impossible to change by setting $shlibpath_var if the
+    library is relocated])
+_LT_TAGDECL([], [hardcode_minus_L], [0],
+    [Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_shlibpath_var], [0],
+    [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_automatic], [0],
+    [Set to "yes" if building a shared library automatically hardcodes DIR
+    into the library and all subsequent libraries and executables linked
+    against it])
+_LT_TAGDECL([], [inherit_rpath], [0],
+    [Set to yes if linker adds runtime paths of dependent libraries
+    to runtime path list])
+_LT_TAGDECL([], [link_all_deplibs], [0],
+    [Whether libtool must link a program against all its dependency libraries])
+_LT_TAGDECL([], [always_export_symbols], [0],
+    [Set to "yes" if exported symbols are required])
+_LT_TAGDECL([], [export_symbols_cmds], [2],
+    [The commands to list exported symbols])
+_LT_TAGDECL([], [exclude_expsyms], [1],
+    [Symbols that should not be listed in the preloaded symbols])
+_LT_TAGDECL([], [include_expsyms], [1],
+    [Symbols that must always be exported])
+_LT_TAGDECL([], [prelink_cmds], [2],
+    [Commands necessary for linking programs (against libraries) with templates])
+_LT_TAGDECL([], [postlink_cmds], [2],
+    [Commands necessary for finishing linking programs])
+_LT_TAGDECL([], [file_list_spec], [1],
+    [Specify filename containing input files])
+dnl FIXME: Not yet implemented
+dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1],
+dnl    [Compiler flag to generate thread safe objects])
+])# _LT_LINKER_SHLIBS
+
+
+# _LT_LANG_C_CONFIG([TAG])
+# ------------------------
+# Ensure that the configuration variables for a C compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_C_CONFIG],
+[m4_require([_LT_DECL_EGREP])dnl
+lt_save_CC=$CC
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_TAG_COMPILER
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_SYS_DYNAMIC_LINKER($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+  LT_SYS_DLOPEN_SELF
+  _LT_CMD_STRIPLIB
+
+  # Report what library types will actually be built
+  AC_MSG_CHECKING([if libtool supports shared libraries])
+  AC_MSG_RESULT([$can_build_shared])
+
+  AC_MSG_CHECKING([whether to build shared libraries])
+  test no = "$can_build_shared" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test yes = "$enable_shared" && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[[4-9]]*)
+    if test ia64 != "$host_cpu"; then
+      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+      yes,aix,yes) ;;			# shared object as lib.so file only
+      yes,svr4,*) ;;			# shared object as lib.so archive member only
+      yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+      esac
+    fi
+    ;;
+  esac
+  AC_MSG_RESULT([$enable_shared])
+
+  AC_MSG_CHECKING([whether to build static libraries])
+  # Make sure either enable_shared or enable_static is yes.
+  test yes = "$enable_shared" || enable_static=yes
+  AC_MSG_RESULT([$enable_static])
+
+  _LT_CONFIG($1)
+fi
+AC_LANG_POP
+CC=$lt_save_CC
+])# _LT_LANG_C_CONFIG
+
+
+# _LT_LANG_CXX_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a C++ compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_CXX_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+if test -n "$CXX" && ( test no != "$CXX" &&
+    ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) ||
+    (test g++ != "$CXX"))); then
+  AC_PROG_CXXCPP
+else
+  _lt_caught_CXX_error=yes
+fi
+
+AC_LANG_PUSH(C++)
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(compiler_needs_object, $1)=no
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the CXX compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_caught_CXX_error"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="int some_variable = 0;"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_CFLAGS=$CFLAGS
+  lt_save_LD=$LD
+  lt_save_GCC=$GCC
+  GCC=$GXX
+  lt_save_with_gnu_ld=$with_gnu_ld
+  lt_save_path_LD=$lt_cv_path_LD
+  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+  else
+    $as_unset lt_cv_prog_gnu_ld
+  fi
+  if test -n "${lt_cv_path_LDCXX+set}"; then
+    lt_cv_path_LD=$lt_cv_path_LDCXX
+  else
+    $as_unset lt_cv_path_LD
+  fi
+  test -z "${LDCXX+set}" || LD=$LDCXX
+  CC=${CXX-"c++"}
+  CFLAGS=$CXXFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    # We don't want -fno-exception when compiling C++ code, so set the
+    # no_builtin_flag separately
+    if test yes = "$GXX"; then
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+    else
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+    fi
+
+    if test yes = "$GXX"; then
+      # Set up default GNU C++ configuration
+
+      LT_PATH_LD
+
+      # Check if GNU C++ uses GNU ld as the underlying linker, since the
+      # archiving commands below assume that GNU ld is being used.
+      if test yes = "$with_gnu_ld"; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+
+        # If archive_cmds runs LD, not CC, wlarc should be empty
+        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+        #     investigate it a little bit more. (MM)
+        wlarc='$wl'
+
+        # ancient GNU ld didn't support --whole-archive et. al.
+        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
+	  $GREP 'no-whole-archive' > /dev/null; then
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+        else
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=
+        fi
+      else
+        with_gnu_ld=no
+        wlarc=
+
+        # A generic and very simple default shared library creation
+        # command for GNU C++ for the case where it uses the native
+        # linker, instead of GNU ld.  If possible, this setting should
+        # overridden to take advantage of the native linker features on
+        # the platform it is being used on.
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      fi
+
+      # Commands to make compiler produce verbose output that lists
+      # what "hidden" libraries, object files and flags are used when
+      # linking a shared library.
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+    else
+      GXX=no
+      with_gnu_ld=no
+      wlarc=
+    fi
+
+    # PORTME: fill in a description of your system's C++ link characteristics
+    AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+    _LT_TAGVAR(ld_shlibs, $1)=yes
+    case $host_os in
+      aix3*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+      aix[[4-9]]*)
+        if test ia64 = "$host_cpu"; then
+          # On IA64, the linker does run time linking by default, so we don't
+          # have to do anything special.
+          aix_use_runtimelinking=no
+          exp_sym_flag='-Bexport'
+          no_entry_flag=
+        else
+          aix_use_runtimelinking=no
+
+          # Test if we are trying to use run time linking or normal
+          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+          # have runtime linking enabled, and use it for executables.
+          # For shared libraries, we enable/disable runtime linking
+          # depending on the kind of the shared library created -
+          # when "with_aix_soname,aix_use_runtimelinking" is:
+          # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "aix,yes"  lib.so          shared, rtl:yes, for executables
+          #            lib.a           static archive
+          # "both,no"  lib.so.V(shr.o) shared, rtl:yes
+          #            lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a(lib.so.V) shared, rtl:no
+          # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a           static archive
+          case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	    for ld_flag in $LDFLAGS; do
+	      case $ld_flag in
+	      *-brtl*)
+	        aix_use_runtimelinking=yes
+	        break
+	        ;;
+	      esac
+	    done
+	    if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	      # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	      # so we don't have lib.a shared libs to link our executables.
+	      # We have to force runtime linking in this case.
+	      aix_use_runtimelinking=yes
+	      LDFLAGS="$LDFLAGS -Wl,-brtl"
+	    fi
+	    ;;
+          esac
+
+          exp_sym_flag='-bexport'
+          no_entry_flag='-bnoentry'
+        fi
+
+        # When large executables or shared objects are built, AIX ld can
+        # have problems creating the table of contents.  If linking a library
+        # or program results in "error TOC overflow" add -mminimal-toc to
+        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+        _LT_TAGVAR(archive_cmds, $1)=''
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
+        case $with_aix_soname,$aix_use_runtimelinking in
+        aix,*) ;;	# no import file
+        svr4,* | *,yes) # use import file
+          # The Import File defines what to hardcode.
+          _LT_TAGVAR(hardcode_direct, $1)=no
+          _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+          ;;
+        esac
+
+        if test yes = "$GXX"; then
+          case $host_os in aix4.[[012]]|aix4.[[012]].*)
+          # We only want to do this on AIX 4.2 and lower, the check
+          # below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	    # We have reworked collect2
+	    :
+	  else
+	    # We have old collect2
+	    _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	    # It fails to find uninstalled libraries when the uninstalled
+	    # path is not listed in the libpath.  Setting hardcode_minus_L
+	    # to unsupported forces relinking
+	    _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+          esac
+          shared_flag='-shared'
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag=$shared_flag' $wl-G'
+	  fi
+	  # Need to ensure runtime linking is disabled for the traditional
+	  # shared library, or the linker may eventually find shared libraries
+	  # /with/ Import File - we do not want to mix them.
+	  shared_flag_aix='-shared'
+	  shared_flag_svr4='-shared $wl-G'
+        else
+          # not using gcc
+          if test ia64 = "$host_cpu"; then
+	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	  # chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+          else
+	    if test yes = "$aix_use_runtimelinking"; then
+	      shared_flag='$wl-G'
+	    else
+	      shared_flag='$wl-bM:SRE'
+	    fi
+	    shared_flag_aix='$wl-bM:SRE'
+	    shared_flag_svr4='$wl-G'
+          fi
+        fi
+
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
+        # It seems that -bexpall does not export symbols beginning with
+        # underscore (_), so it is better to generate a list of symbols to
+	# export.
+        _LT_TAGVAR(always_export_symbols, $1)=yes
+	if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+          # Warning - without using the other runtime loading flags (-brtl),
+          # -berok will link without error, but may produce a broken library.
+          # The "-G" linker flag allows undefined symbols.
+          _LT_TAGVAR(no_undefined_flag, $1)='-bernotok'
+          # Determine the default libpath from the value encoded in an empty
+          # executable.
+          _LT_SYS_MODULE_PATH_AIX([$1])
+          _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+        else
+          if test ia64 = "$host_cpu"; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
+	    _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+          else
+	    # Determine the default libpath from the value encoded in an
+	    # empty executable.
+	    _LT_SYS_MODULE_PATH_AIX([$1])
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+	    # Warning - without using the other run time loading flags,
+	    # -berok will link without error, but may produce a broken library.
+	    _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
+	    _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
+	    if test yes = "$with_gnu_ld"; then
+	      # We only use this code for GNU lds that support --whole-archive.
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    else
+	      # Exported symbols can be pulled into shared objects from archives
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	    fi
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	    # -brtl affects multiple linker settings, -berok does not and is overridden later
+	    compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`'
+	    if test svr4 != "$with_aix_soname"; then
+	      # This is similar to how AIX traditionally builds its shared
+	      # libraries. Need -bnortl late, we may have -brtl in LDFLAGS.
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	    fi
+	    if test aix != "$with_aix_soname"; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	    else
+	      # used by -dlpreopen to get the symbols
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	    fi
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
+          fi
+        fi
+        ;;
+
+      beos*)
+	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	  # support --undefined.  This deserves some investigation.  FIXME
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      chorus*)
+        case $cc_basename in
+          *)
+	  # FIXME: insert proper C++ library support
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	  ;;
+        esac
+        ;;
+
+      cygwin* | mingw* | pw32* | cegcc*)
+	case $GXX,$cc_basename in
+	,cl* | no,cl* | ,icl* | no,icl*)
+	  # Native MSVC or ICC
+	  # hardcode_libdir_flag_spec is actually meaningless, as there is
+	  # no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=yes
+	  _LT_TAGVAR(file_list_spec, $1)='@'
+	  # Tell ltmain to make .lib files, not .a files.
+	  libext=lib
+	  # Tell ltmain to make .dll files, not .so files.
+	  shrext_cmds=.dll
+	  # FIXME: Setting linknames here is a bad hack.
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+              cp "$export_symbols" "$output_objdir/$soname.def";
+              echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+            else
+              $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+            fi~
+            $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+            linknames='
+	  # The linker will not automatically build a static lib if we build a DLL.
+	  # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	  # Don't use ranlib
+	  _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	  _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+            lt_tool_outputfile="@TOOL_OUTPUT@"~
+            case $lt_outputfile in
+              *.exe|*.EXE) ;;
+              *)
+                lt_outputfile=$lt_outputfile.exe
+                lt_tool_outputfile=$lt_tool_outputfile.exe
+                ;;
+            esac~
+            func_to_tool_file "$lt_outputfile"~
+            if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+              $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+              $RM "$lt_outputfile.manifest";
+            fi'
+	  ;;
+	*)
+	  # g++
+	  # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+	  # as there is no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=no
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+	  if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	    # If the export-symbols file already is a .def file, use it as
+	    # is; otherwise, prepend EXPORTS...
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+              cp $export_symbols $output_objdir/$soname.def;
+            else
+              echo EXPORTS > $output_objdir/$soname.def;
+              cat $export_symbols >> $output_objdir/$soname.def;
+            fi~
+            $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	  ;;
+	esac
+	;;
+      darwin* | rhapsody*)
+        _LT_DARWIN_LINKER_FEATURES($1)
+	;;
+
+      os2*)
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	shrext_cmds=.dll
+	_LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  prefix_cmds="$SED"~
+	  if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	    prefix_cmds="$prefix_cmds -e 1d";
+	  fi~
+	  prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	  cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	_LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	_LT_TAGVAR(file_list_spec, $1)='@'
+	;;
+
+      dgux*)
+        case $cc_basename in
+          ec++*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          ghcx*)
+	    # Green Hills C++ Compiler
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      freebsd2.*)
+        # C++ shared libraries reported to be fairly broken before
+	# switch to ELF
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      freebsd-elf*)
+        _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+        ;;
+
+      freebsd* | dragonfly* | midnightbsd*)
+        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+        # conventions
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+        ;;
+
+      haiku*)
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        ;;
+
+      hpux9*)
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+				             # but as the default
+				             # location of the library.
+
+        case $cc_basename in
+          CC*)
+            # FIXME: insert proper C++ library support
+            _LT_TAGVAR(ld_shlibs, $1)=no
+            ;;
+          aCC*)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            # Commands to make compiler produce verbose output that lists
+            # what "hidden" libraries, object files and flags are used when
+            # linking a shared library.
+            #
+            # There doesn't appear to be a way to prevent this compiler from
+            # explicitly linking system object files so we need to strip them
+            # from the output so that they don't get included in the library
+            # dependencies.
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+            ;;
+          *)
+            if test yes = "$GXX"; then
+              _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            else
+              # FIXME: insert proper C++ library support
+              _LT_TAGVAR(ld_shlibs, $1)=no
+            fi
+            ;;
+        esac
+        ;;
+
+      hpux10*|hpux11*)
+        if test no = "$with_gnu_ld"; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+          case $host_cpu in
+            hppa*64*|ia64*)
+              ;;
+            *)
+	      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+              ;;
+          esac
+        fi
+        case $host_cpu in
+          hppa*64*|ia64*)
+            _LT_TAGVAR(hardcode_direct, $1)=no
+            _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+            ;;
+          *)
+            _LT_TAGVAR(hardcode_direct, $1)=yes
+            _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+					         # but as the default
+					         # location of the library.
+            ;;
+        esac
+
+        case $cc_basename in
+          CC*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          aCC*)
+	    case $host_cpu in
+	      hppa*64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      ia64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      *)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	    esac
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        case $host_cpu in
+	          hppa*64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          ia64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          *)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	        esac
+	      fi
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      interix[[3-9]]*)
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+	# Instead, shared libraries are loaded at an image base (0x10000000 by
+	# default) and relocated if they conflict, which is a slow very memory
+	# consuming and fragmenting process.  To avoid this, we pick a random,
+	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$SED "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	;;
+      irix5* | irix6*)
+        case $cc_basename in
+          CC*)
+	    # SGI C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	      else
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib'
+	      fi
+	    fi
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+	    ;;
+        esac
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(inherit_rpath, $1)=yes
+        ;;
+
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib'
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+	    ;;
+	  icpc* | ecpc* )
+	    # Intel C++
+	    with_gnu_ld=yes
+	    # version 8.0 and above of icpc choke on multiply defined symbols
+	    # if we add $predep_objects and $postdep_objects, however 7.1 and
+	    # earlier do not add the objects themselves.
+	    case `$CC -V 2>&1` in
+	      *"Version 7."*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	      *)  # Version 8.0 or newer
+	        tmp_idyn=
+	        case $host_cpu in
+		  ia64*) tmp_idyn=' -i_dynamic';;
+		esac
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	    esac
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    ;;
+          pgCC* | pgcpp*)
+            # Portland Group C++ compiler
+	    case `$CC -V` in
+	    *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*)
+	      _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
+               rm -rf $tpldir~
+               $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
+               compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
+	      _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
+                $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
+                $RANLIB $oldlib'
+	      _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    *) # Version 6 and above use weak symbols
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+            ;;
+	  cxx*)
+	    # Compaq C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname  -o $lib $wl-retain-symbols-file $wl$export_symbols'
+
+	    runpath_var=LD_RUN_PATH
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
+	    ;;
+	  xl* | mpixl* | bgxl*)
+	    # IBM XL 8.0 on PPC, with GNU ld
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    if test yes = "$supports_anon_versioning"; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+                cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+                echo "local: *; };" >> $output_objdir/$libname.ver~
+                $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+	    fi
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | $SED 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols'
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	      _LT_TAGVAR(compiler_needs_object, $1)=yes
+
+	      # Not sure whether something based on
+	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+	      # would be better.
+	      output_verbose_link_cmd='func_echo_all'
+
+	      # Archives containing C++ object files must be created using
+	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	      # necessary to make sure instantiated templates are included
+	      # in the archive.
+	      _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+
+      lynxos*)
+        # FIXME: insert proper C++ library support
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      m88k*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      mvs*)
+        case $cc_basename in
+          cxx*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	  *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	esac
+	;;
+
+      netbsd*)
+        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+	  wlarc=
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	fi
+	# Workaround some broken pre-1.5 toolchains
+	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+	;;
+
+      *nto* | *qnx*)
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+	;;
+
+      openbsd* | bitrig*)
+	if test -f /usr/libexec/ld.so; then
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+	  fi
+	  output_verbose_link_cmd=func_echo_all
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      osf3* | osf4* | osf5*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Archives containing C++ object files must be created using
+	    # the KAI C++ compiler.
+	    case $host in
+	      osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
+	      *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
+	    esac
+	    ;;
+          RCC*)
+	    # Rational C++ 2.4.1
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          cxx*)
+	    case $host in
+	      osf3*)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+		;;
+	      *)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+                  echo "-hidden">> $lib.exp~
+                  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp  `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~
+                  $RM $lib.exp'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+		;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+	  *)
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	      case $host in
+	        osf3*)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	        *)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	      esac
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	      # Commands to make compiler produce verbose output that lists
+	      # what "hidden" libraries, object files and flags are used when
+	      # linking a shared library.
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      psos*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      sunos4*)
+        case $cc_basename in
+          CC*)
+	    # Sun C++ 4.x
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          lcc*)
+	    # Lucid
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      solaris*)
+        case $cc_basename in
+          CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+            _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
+	    _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+              $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	    _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	    case $host_os in
+	      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+	      *)
+		# The compiler driver will combine and reorder linker options,
+		# but understands '-z linker_flag'.
+	        # Supported since Solaris 2.6 (maybe 2.5.1?)
+		_LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	        ;;
+	    esac
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+
+	    output_verbose_link_cmd='func_echo_all'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	    ;;
+          gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+
+	    # The C++ compiler must be used to create the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    # GNU C++ compiler with Solaris linker
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      _LT_TAGVAR(no_undefined_flag, $1)=' $wl-z ${wl}defs'
+	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      else
+	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
+	        # platform.
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      fi
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir'
+	      case $host_os in
+		solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+		*)
+		  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+		  ;;
+	      esac
+	    fi
+	    ;;
+        esac
+        ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      case $cc_basename in
+        CC*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+      esac
+      ;;
+
+      sysv5* | sco3.2v5* | sco5v6*)
+	# Note: We CANNOT use -z defs as we might desire, because we do not
+	# link with -lc, and that would cause any symbols used from libc to
+	# always be unresolved, which means just about no library would
+	# ever link correctly.  If we're not using GNU ld we use -z text
+	# though, which does catch some bad symbols but isn't as heavy-handed
+	# as -z defs.
+	_LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+	_LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
+	_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+	_LT_TAGVAR(link_all_deplibs, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
+	runpath_var='LD_RUN_PATH'
+
+	case $cc_basename in
+          CC*)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~
+              '"$_LT_TAGVAR(old_archive_cmds, $1)"
+	    _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~
+              '"$_LT_TAGVAR(reload_cmds, $1)"
+	    ;;
+	  *)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    ;;
+	esac
+      ;;
+
+      tandem*)
+        case $cc_basename in
+          NCC*)
+	    # NonStop-UX NCC 3.20
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      vxworks*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      *)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+    esac
+
+    AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+    test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
+
+    _LT_TAGVAR(GCC, $1)=$GXX
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+  LDCXX=$LD
+  LD=$lt_save_LD
+  GCC=$lt_save_GCC
+  with_gnu_ld=$lt_save_with_gnu_ld
+  lt_cv_path_LDCXX=$lt_cv_path_LD
+  lt_cv_path_LD=$lt_save_path_LD
+  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+fi # test yes != "$_lt_caught_CXX_error"
+
+AC_LANG_POP
+])# _LT_LANG_CXX_CONFIG
+
+
+# _LT_FUNC_STRIPNAME_CNF
+# ----------------------
+# func_stripname_cnf prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+#
+# This function is identical to the (non-XSI) version of func_stripname,
+# except this one can be used by m4 code that may be executed by configure,
+# rather than the libtool script.
+m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl
+AC_REQUIRE([_LT_DECL_SED])
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])
+func_stripname_cnf ()
+{
+  case @S|@2 in
+  .*) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%\\\\@S|@2\$%%"`;;
+  *)  func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%@S|@2\$%%"`;;
+  esac
+} # func_stripname_cnf
+])# _LT_FUNC_STRIPNAME_CNF
+
+
+# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
+# ---------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+m4_defun([_LT_SYS_HIDDEN_LIBDEPS],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl
+# Dependencies to place before and after the object being linked:
+_LT_TAGVAR(predep_objects, $1)=
+_LT_TAGVAR(postdep_objects, $1)=
+_LT_TAGVAR(predeps, $1)=
+_LT_TAGVAR(postdeps, $1)=
+_LT_TAGVAR(compiler_lib_search_path, $1)=
+
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library.  It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF
+int a;
+void foo (void) { a = 0; }
+_LT_EOF
+], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF
+class Foo
+{
+public:
+  Foo (void) { a = 0; }
+private:
+  int a;
+};
+_LT_EOF
+], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer*4 a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF
+public class foo {
+  private int a;
+  public void bar (void) {
+    a = 0;
+  }
+};
+_LT_EOF
+], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF
+package foo
+func foo() {
+}
+_LT_EOF
+])
+
+_lt_libdeps_save_CFLAGS=$CFLAGS
+case "$CC $CFLAGS " in #(
+*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
+*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
+esac
+
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  for p in `eval "$output_verbose_link_cmd"`; do
+    case $prev$p in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test x-L = "$p" ||
+          test x-R = "$p"; then
+	 prev=$p
+	 continue
+       fi
+
+       # Expand the sysroot to ease extracting the directories later.
+       if test -z "$prev"; then
+         case $p in
+         -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
+         -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
+         -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
+         esac
+       fi
+       case $p in
+       =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
+       esac
+       if test no = "$pre_test_object_deps_done"; then
+	 case $prev in
+	 -L | -R)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
+	     _LT_TAGVAR(compiler_lib_search_path, $1)=$prev$p
+	   else
+	     _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} $prev$p"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$_LT_TAGVAR(postdeps, $1)"; then
+	   _LT_TAGVAR(postdeps, $1)=$prev$p
+	 else
+	   _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} $prev$p"
+	 fi
+       fi
+       prev=
+       ;;
+
+    *.lto.$objext) ;; # Ignore GCC LTO objects
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test no = "$pre_test_object_deps_done"; then
+	 if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
+	   _LT_TAGVAR(predep_objects, $1)=$p
+	 else
+	   _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
+	 fi
+       else
+	 if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
+	   _LT_TAGVAR(postdep_objects, $1)=$p
+	 else
+	   _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$RM -f confest.$objext
+CFLAGS=$_lt_libdeps_save_CFLAGS
+
+# PORTME: override above test on systems where it is broken
+m4_if([$1], [CXX],
+[case $host_os in
+interix[[3-9]]*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  _LT_TAGVAR(predep_objects,$1)=
+  _LT_TAGVAR(postdep_objects,$1)=
+  _LT_TAGVAR(postdeps,$1)=
+  ;;
+esac
+])
+
+case " $_LT_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | $SED -e 's! -L! !g' -e 's!^ !!'`
+fi
+_LT_TAGDECL([], [compiler_lib_search_dirs], [1],
+    [The directories searched by this compiler when creating a shared library])
+_LT_TAGDECL([], [predep_objects], [1],
+    [Dependencies to place before and after the objects being linked to
+    create a shared library])
+_LT_TAGDECL([], [postdep_objects], [1])
+_LT_TAGDECL([], [predeps], [1])
+_LT_TAGDECL([], [postdeps], [1])
+_LT_TAGDECL([], [compiler_lib_search_path], [1],
+    [The library search path used internally by the compiler when linking
+    a shared library])
+])# _LT_SYS_HIDDEN_LIBDEPS
+
+
+# _LT_LANG_F77_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a Fortran 77 compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_F77_CONFIG],
+[AC_LANG_PUSH(Fortran 77)
+if test -z "$F77" || test no = "$F77"; then
+  _lt_disable_F77=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the F77 compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_disable_F77"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${F77-"f77"}
+  CFLAGS=$FFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+  GCC=$G77
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test no = "$can_build_shared" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test yes = "$enable_shared" && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test ia64 != "$host_cpu"; then
+	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+	  yes,aix,yes) ;;		# shared object as lib.so file only
+	  yes,svr4,*) ;;		# shared object as lib.so archive member only
+	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+	  esac
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test yes = "$enable_shared" || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)=$G77
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+fi # test yes != "$_lt_disable_F77"
+
+AC_LANG_POP
+])# _LT_LANG_F77_CONFIG
+
+
+# _LT_LANG_FC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for a Fortran compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_FC_CONFIG],
+[AC_LANG_PUSH(Fortran)
+
+if test -z "$FC" || test no = "$FC"; then
+  _lt_disable_FC=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for fc test sources.
+ac_ext=${ac_fc_srcext-f}
+
+# Object file extension for compiled fc test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the FC compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_disable_FC"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${FC-"f95"}
+  CFLAGS=$FCFLAGS
+  compiler=$CC
+  GCC=$ac_cv_fc_compiler_gnu
+
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test no = "$can_build_shared" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test yes = "$enable_shared" && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test ia64 != "$host_cpu"; then
+	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+	  yes,aix,yes) ;;		# shared object as lib.so file only
+	  yes,svr4,*) ;;		# shared object as lib.so archive member only
+	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+	  esac
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test yes = "$enable_shared" || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)=$ac_cv_fc_compiler_gnu
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+fi # test yes != "$_lt_disable_FC"
+
+AC_LANG_POP
+])# _LT_LANG_FC_CONFIG
+
+
+# _LT_LANG_GCJ_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Java Compiler compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_GCJ_CONFIG],
+[AC_REQUIRE([LT_PROG_GCJ])dnl
+AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GCJ-"gcj"}
+CFLAGS=$GCJFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)=$LD
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GCJ_CONFIG
+
+
+# _LT_LANG_GO_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Go compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_GO_CONFIG],
+[AC_REQUIRE([LT_PROG_GO])dnl
+AC_LANG_SAVE
+
+# Source file extension for Go test sources.
+ac_ext=go
+
+# Object file extension for compiled Go test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="package main; func main() { }"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='package main; func main() { }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GOC-"gccgo"}
+CFLAGS=$GOFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)=$LD
+_LT_CC_BASENAME([$compiler])
+
+# Go did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GO_CONFIG
+
+
+# _LT_LANG_RC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for the Windows resource compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_RC_CONFIG],
+[AC_REQUIRE([LT_PROG_RC])dnl
+AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code=$lt_simple_compile_test_code
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=
+CC=${RC-"windres"}
+CFLAGS=
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+if test -n "$compiler"; then
+  :
+  _LT_CONFIG($1)
+fi
+
+GCC=$lt_save_GCC
+AC_LANG_RESTORE
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_RC_CONFIG
+
+
+# LT_PROG_GCJ
+# -----------
+AC_DEFUN([LT_PROG_GCJ],
+[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
+  [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
+    [AC_CHECK_TOOL(GCJ, gcj,)
+      test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2"
+      AC_SUBST(GCJFLAGS)])])[]dnl
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
+
+
+# LT_PROG_GO
+# ----------
+AC_DEFUN([LT_PROG_GO],
+[AC_CHECK_TOOL(GOC, gccgo,)
+])
+
+
+# LT_PROG_RC
+# ----------
+AC_DEFUN([LT_PROG_RC],
+[AC_CHECK_TOOL(RC, windres,)
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_RC], [])
+
+
+# _LT_DECL_EGREP
+# --------------
+# If we don't have a new enough Autoconf to choose the best grep
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_EGREP],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_REQUIRE([AC_PROG_FGREP])dnl
+test -z "$GREP" && GREP=grep
+_LT_DECL([], [GREP], [1], [A grep program that handles long lines])
+_LT_DECL([], [EGREP], [1], [An ERE matcher])
+_LT_DECL([], [FGREP], [1], [A literal string matcher])
+dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
+AC_SUBST([GREP])
+])
+
+
+# _LT_DECL_OBJDUMP
+# --------------
+# If we don't have a new enough Autoconf to choose the best objdump
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_OBJDUMP],
+[AC_CHECK_TOOL(OBJDUMP, objdump, false)
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper])
+AC_SUBST([OBJDUMP])
+])
+
+# _LT_DECL_DLLTOOL
+# ----------------
+# Ensure DLLTOOL variable is set.
+m4_defun([_LT_DECL_DLLTOOL],
+[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])
+AC_SUBST([DLLTOOL])
+])
+
+# _LT_DECL_FILECMD
+# ----------------
+# Check for a file(cmd) program that can be used to detect file type and magic
+m4_defun([_LT_DECL_FILECMD],
+[AC_CHECK_TOOL([FILECMD], [file], [:])
+_LT_DECL([], [FILECMD], [1], [A file(cmd) program that detects file types])
+])# _LD_DECL_FILECMD
+
+# _LT_DECL_SED
+# ------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+m4_defun([_LT_DECL_SED],
+[AC_PROG_SED
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+_LT_DECL([], [SED], [1], [A sed program that does not truncate output])
+_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"],
+    [Sed that helps us avoid accidentally triggering echo(1) options like -n])
+])# _LT_DECL_SED
+
+m4_ifndef([AC_PROG_SED], [
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+
+m4_defun([AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for lt_ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
+        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+      fi
+    done
+  done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+  test ! -f "$lt_ac_sed" && continue
+  cat /dev/null > conftest.in
+  lt_ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+  # Check for GNU sed and select it if it is found.
+  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+    lt_cv_path_SED=$lt_ac_sed
+    break
+  fi
+  while true; do
+    cat conftest.in conftest.in >conftest.tmp
+    mv conftest.tmp conftest.in
+    cp conftest.in conftest.nl
+    echo >>conftest.nl
+    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+    cmp -s conftest.out conftest.nl || break
+    # 10000 chars as input seems more than enough
+    test 10 -lt "$lt_ac_count" && break
+    lt_ac_count=`expr $lt_ac_count + 1`
+    if test "$lt_ac_count" -gt "$lt_ac_max"; then
+      lt_ac_max=$lt_ac_count
+      lt_cv_path_SED=$lt_ac_sed
+    fi
+  done
+done
+])
+SED=$lt_cv_path_SED
+AC_SUBST([SED])
+AC_MSG_RESULT([$SED])
+])#AC_PROG_SED
+])#m4_ifndef
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_SED], [])
+
+
+# _LT_CHECK_SHELL_FEATURES
+# ------------------------
+# Find out whether the shell is Bourne or XSI compatible,
+# or has some other useful features.
+m4_defun([_LT_CHECK_SHELL_FEATURES],
+[if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl
+_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl
+])# _LT_CHECK_SHELL_FEATURES
+
+
+# _LT_PATH_CONVERSION_FUNCTIONS
+# -----------------------------
+# Determine what file name conversion functions should be used by
+# func_to_host_file (and, implicitly, by func_to_host_path).  These are needed
+# for certain cross-compile configurations and native mingw.
+m4_defun([_LT_PATH_CONVERSION_FUNCTIONS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_MSG_CHECKING([how to convert $build file names to $host format])
+AC_CACHE_VAL(lt_cv_to_host_file_cmd,
+[case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+        ;;
+    esac
+    ;;
+  *-*-cygwin* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_noop
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+        ;;
+    esac
+    ;;
+  * ) # unhandled hosts (and "normal" native builds)
+    lt_cv_to_host_file_cmd=func_convert_file_noop
+    ;;
+esac
+])
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+AC_MSG_RESULT([$lt_cv_to_host_file_cmd])
+_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd],
+         [0], [convert $build file names to $host format])dnl
+
+AC_MSG_CHECKING([how to convert $build file names to toolchain format])
+AC_CACHE_VAL(lt_cv_to_tool_file_cmd,
+[#assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+        ;;
+    esac
+    ;;
+esac
+])
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+AC_MSG_RESULT([$lt_cv_to_tool_file_cmd])
+_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd],
+         [0], [convert $build files to toolchain format])dnl
+])# _LT_PATH_CONVERSION_FUNCTIONS
+
+# Helper functions for option handling.                    -*- Autoconf -*-
+#
+#   Copyright (C) 2004-2005, 2007-2009, 2011-2019, 2021-2022 Free
+#   Software Foundation, Inc.
+#   Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 8 ltoptions.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
+
+
+# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
+# ------------------------------------------
+m4_define([_LT_MANGLE_OPTION],
+[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
+
+
+# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
+# ---------------------------------------
+# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
+# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
+# saved as a flag.
+m4_define([_LT_SET_OPTION],
+[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
+m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
+        _LT_MANGLE_DEFUN([$1], [$2]),
+    [m4_warning([Unknown $1 option '$2'])])[]dnl
+])
+
+
+# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
+# ------------------------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+m4_define([_LT_IF_OPTION],
+[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
+
+
+# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
+# -------------------------------------------------------
+# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
+# are set.
+m4_define([_LT_UNLESS_OPTIONS],
+[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
+		      [m4_define([$0_found])])])[]dnl
+m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
+])[]dnl
+])
+
+
+# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
+# ----------------------------------------
+# OPTION-LIST is a space-separated list of Libtool options associated
+# with MACRO-NAME.  If any OPTION has a matching handler declared with
+# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
+# the unknown option and exit.
+m4_defun([_LT_SET_OPTIONS],
+[# Set options
+m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+    [_LT_SET_OPTION([$1], _LT_Option)])
+
+m4_if([$1],[LT_INIT],[
+  dnl
+  dnl Simply set some default values (i.e off) if boolean options were not
+  dnl specified:
+  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
+  ])
+  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
+  ])
+  dnl
+  dnl If no reference was made to various pairs of opposing options, then
+  dnl we run the default mode handler for the pair.  For example, if neither
+  dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
+  dnl archives by default:
+  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
+  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
+		   [_LT_ENABLE_FAST_INSTALL])
+  _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
+		   [_LT_WITH_AIX_SONAME([aix])])
+  ])
+])# _LT_SET_OPTIONS
+
+
+
+# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
+# -----------------------------------------
+m4_define([_LT_MANGLE_DEFUN],
+[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
+
+
+# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
+# -----------------------------------------------
+m4_define([LT_OPTION_DEFINE],
+[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
+])# LT_OPTION_DEFINE
+
+
+# dlopen
+# ------
+LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
+])
+
+AU_DEFUN([AC_LIBTOOL_DLOPEN],
+[_LT_SET_OPTION([LT_INIT], [dlopen])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'dlopen' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
+
+
+# win32-dll
+# ---------
+# Declare package support for building win32 dll's.
+LT_OPTION_DEFINE([LT_INIT], [win32-dll],
+[enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
+  ;;
+esac
+
+test -z "$AS" && AS=as
+_LT_DECL([], [AS],      [1], [Assembler program])dnl
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
+])# win32-dll
+
+AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+_LT_SET_OPTION([LT_INIT], [win32-dll])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'win32-dll' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
+
+
+# _LT_ENABLE_SHARED([DEFAULT])
+# ----------------------------
+# implement the --enable-shared flag, and supports the 'shared' and
+# 'disable-shared' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_SHARED],
+[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([shared],
+    [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+	[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
+
+    _LT_DECL([build_libtool_libs], [enable_shared], [0],
+	[Whether or not to build shared libraries])
+])# _LT_ENABLE_SHARED
+
+LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
+])
+
+AC_DEFUN([AC_DISABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], [disable-shared])
+])
+
+AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
+AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_SHARED], [])
+dnl AC_DEFUN([AM_DISABLE_SHARED], [])
+
+
+
+# _LT_ENABLE_STATIC([DEFAULT])
+# ----------------------------
+# implement the --enable-static flag, and support the 'static' and
+# 'disable-static' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_STATIC],
+[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+	[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
+
+    _LT_DECL([build_old_libs], [enable_static], [0],
+	[Whether or not to build static libraries])
+])# _LT_ENABLE_STATIC
+
+LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
+])
+
+AC_DEFUN([AC_DISABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], [disable-static])
+])
+
+AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
+AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_STATIC], [])
+dnl AC_DEFUN([AM_DISABLE_STATIC], [])
+
+
+
+# _LT_ENABLE_FAST_INSTALL([DEFAULT])
+# ----------------------------------
+# implement the --enable-fast-install flag, and support the 'fast-install'
+# and 'disable-fast-install' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_FAST_INSTALL],
+[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([fast-install],
+    [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+    [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
+
+_LT_DECL([fast_install], [enable_fast_install], [0],
+	 [Whether or not to optimize for fast installation])dnl
+])# _LT_ENABLE_FAST_INSTALL
+
+LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
+
+# Old names:
+AU_DEFUN([AC_ENABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the 'fast-install' option into LT_INIT's first parameter.])
+])
+
+AU_DEFUN([AC_DISABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the 'disable-fast-install' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
+dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
+
+
+# _LT_WITH_AIX_SONAME([DEFAULT])
+# ----------------------------------
+# implement the --with-aix-soname flag, and support the `aix-soname=aix'
+# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
+# is either `aix', `both' or `svr4'.  If omitted, it defaults to `aix'.
+m4_define([_LT_WITH_AIX_SONAME],
+[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
+shared_archive_member_spec=
+case $host,$enable_shared in
+power*-*-aix[[5-9]]*,yes)
+  AC_MSG_CHECKING([which variant of shared library versioning to provide])
+  AC_ARG_WITH([aix-soname],
+    [AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
+      [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
+    [case $withval in
+    aix|svr4|both)
+      ;;
+    *)
+      AC_MSG_ERROR([Unknown argument to --with-aix-soname])
+      ;;
+    esac
+    lt_cv_with_aix_soname=$with_aix_soname],
+    [AC_CACHE_VAL([lt_cv_with_aix_soname],
+      [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
+    with_aix_soname=$lt_cv_with_aix_soname])
+  AC_MSG_RESULT([$with_aix_soname])
+  if test aix != "$with_aix_soname"; then
+    # For the AIX way of multilib, we name the shared archive member
+    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
+    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
+    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
+    # the AIX toolchain works better with OBJECT_MODE set (default 32).
+    if test 64 = "${OBJECT_MODE-32}"; then
+      shared_archive_member_spec=shr_64
+    else
+      shared_archive_member_spec=shr
+    fi
+  fi
+  ;;
+*)
+  with_aix_soname=aix
+  ;;
+esac
+
+_LT_DECL([], [shared_archive_member_spec], [0],
+    [Shared archive member basename, for filename based shared library versioning on AIX])dnl
+])# _LT_WITH_AIX_SONAME
+
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
+
+
+# _LT_WITH_PIC([MODE])
+# --------------------
+# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
+# LT_INIT options.
+# MODE is either 'yes' or 'no'.  If omitted, it defaults to 'both'.
+m4_define([_LT_WITH_PIC],
+[AC_ARG_WITH([pic],
+    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
+	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+    [lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for lt_pkg in $withval; do
+	IFS=$lt_save_ifs
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [pic_mode=m4_default([$1], [default])])
+
+_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
+])# _LT_WITH_PIC
+
+LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
+
+# Old name:
+AU_DEFUN([AC_LIBTOOL_PICMODE],
+[_LT_SET_OPTION([LT_INIT], [pic-only])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'pic-only' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
+
+
+m4_define([_LTDL_MODE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
+		 [m4_define([_LTDL_MODE], [nonrecursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [recursive],
+		 [m4_define([_LTDL_MODE], [recursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [subproject],
+		 [m4_define([_LTDL_MODE], [subproject])])
+
+m4_define([_LTDL_TYPE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [installable],
+		 [m4_define([_LTDL_TYPE], [installable])])
+LT_OPTION_DEFINE([LTDL_INIT], [convenience],
+		 [m4_define([_LTDL_TYPE], [convenience])])
+
+# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
+#
+# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software
+# Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 6 ltsugar.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
+
+
+# lt_join(SEP, ARG1, [ARG2...])
+# -----------------------------
+# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
+# associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
+m4_define([lt_join],
+[m4_if([$#], [1], [],
+       [$#], [2], [[$2]],
+       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
+m4_define([_lt_join],
+[m4_if([$#$2], [2], [],
+       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
+
+
+# lt_car(LIST)
+# lt_cdr(LIST)
+# ------------
+# Manipulate m4 lists.
+# These macros are necessary as long as will still need to support
+# Autoconf-2.59, which quotes differently.
+m4_define([lt_car], [[$1]])
+m4_define([lt_cdr],
+[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
+       [$#], 1, [],
+       [m4_dquote(m4_shift($@))])])
+m4_define([lt_unquote], $1)
+
+
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
+m4_define([lt_append],
+[m4_define([$1],
+	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
+# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
+# ----------------------------------------------------------
+# Produce a SEP delimited list of all paired combinations of elements of
+# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
+# has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
+m4_define([lt_combine],
+[m4_if(m4_eval([$# > 3]), [1],
+       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+	     [m4_foreach([_Lt_suffix],
+		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
+
+
+# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
+# -----------------------------------------------------------------------
+# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
+# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
+m4_define([lt_if_append_uniq],
+[m4_ifdef([$1],
+	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+		 [lt_append([$1], [$2], [$3])$4],
+		 [$5])],
+	  [lt_append([$1], [$2], [$3])$4])])
+
+
+# lt_dict_add(DICT, KEY, VALUE)
+# -----------------------------
+m4_define([lt_dict_add],
+[m4_define([$1($2)], [$3])])
+
+
+# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
+# --------------------------------------------
+m4_define([lt_dict_add_subkey],
+[m4_define([$1($2:$3)], [$4])])
+
+
+# lt_dict_fetch(DICT, KEY, [SUBKEY])
+# ----------------------------------
+m4_define([lt_dict_fetch],
+[m4_ifval([$3],
+	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
+    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
+
+
+# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
+# -----------------------------------------------------------------
+m4_define([lt_if_dict_fetch],
+[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
+	[$5],
+    [$6])])
+
+
+# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
+# --------------------------------------------------------------
+m4_define([lt_dict_filter],
+[m4_if([$5], [], [],
+  [lt_join(m4_quote(m4_default([$4], [[, ]])),
+           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
+		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
+])
+
+# ltversion.m4 -- version numbers			-*- Autoconf -*-
+#
+#   Copyright (C) 2004, 2011-2019, 2021-2022 Free Software Foundation,
+#   Inc.
+#   Written by Scott James Remnant, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# @configure_input@
+
+# serial 4245 ltversion.m4
+# This file is part of GNU Libtool
+
+m4_define([LT_PACKAGE_VERSION], [2.4.7])
+m4_define([LT_PACKAGE_REVISION], [2.4.7])
+
+AC_DEFUN([LTVERSION_VERSION],
+[macro_version='2.4.7'
+macro_revision='2.4.7'
+_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
+_LT_DECL(, macro_revision, 0)
+])
+
+# lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
+#
+#   Copyright (C) 2004-2005, 2007, 2009, 2011-2019, 2021-2022 Free
+#   Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004.
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 5 lt~obsolete.m4
+
+# These exist entirely to fool aclocal when bootstrapping libtool.
+#
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
+# which have later been changed to m4_define as they aren't part of the
+# exported API, or moved to Autoconf or Automake where they belong.
+#
+# The trouble is, aclocal is a bit thick.  It'll see the old AC_DEFUN
+# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
+# using a macro with the same name in our local m4/libtool.m4 it'll
+# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
+# and doesn't know about Autoconf macros at all.)
+#
+# So we provide this file, which has a silly filename so it's always
+# included after everything else.  This provides aclocal with the
+# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
+# because those macros already exist, or will be overwritten later.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
+#
+# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
+# Yes, that means every name once taken will need to remain here until
+# we give up compatibility with versions before 1.7, at which point
+# we need to keep only those names which we still refer to.
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
+
+m4_ifndef([AC_LIBTOOL_LINKER_OPTION],	[AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
+m4_ifndef([AC_PROG_EGREP],		[AC_DEFUN([AC_PROG_EGREP])])
+m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_AC_SHELL_INIT],		[AC_DEFUN([_LT_AC_SHELL_INIT])])
+m4_ifndef([_LT_AC_SYS_LIBPATH_AIX],	[AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
+m4_ifndef([_LT_PROG_LTMAIN],		[AC_DEFUN([_LT_PROG_LTMAIN])])
+m4_ifndef([_LT_AC_TAGVAR],		[AC_DEFUN([_LT_AC_TAGVAR])])
+m4_ifndef([AC_LTDL_ENABLE_INSTALL],	[AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
+m4_ifndef([AC_LTDL_PREOPEN],		[AC_DEFUN([AC_LTDL_PREOPEN])])
+m4_ifndef([_LT_AC_SYS_COMPILER],	[AC_DEFUN([_LT_AC_SYS_COMPILER])])
+m4_ifndef([_LT_AC_LOCK],		[AC_DEFUN([_LT_AC_LOCK])])
+m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE],	[AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
+m4_ifndef([_LT_AC_TRY_DLOPEN_SELF],	[AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
+m4_ifndef([AC_LIBTOOL_PROG_CC_C_O],	[AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
+m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
+m4_ifndef([AC_LIBTOOL_OBJDIR],		[AC_DEFUN([AC_LIBTOOL_OBJDIR])])
+m4_ifndef([AC_LTDL_OBJDIR],		[AC_DEFUN([AC_LTDL_OBJDIR])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
+m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP],	[AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
+m4_ifndef([AC_PATH_MAGIC],		[AC_DEFUN([AC_PATH_MAGIC])])
+m4_ifndef([AC_PROG_LD_GNU],		[AC_DEFUN([AC_PROG_LD_GNU])])
+m4_ifndef([AC_PROG_LD_RELOAD_FLAG],	[AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
+m4_ifndef([AC_DEPLIBS_CHECK_METHOD],	[AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
+m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS],	[AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
+m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP],	[AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
+m4_ifndef([LT_AC_PROG_EGREP],		[AC_DEFUN([LT_AC_PROG_EGREP])])
+m4_ifndef([LT_AC_PROG_SED],		[AC_DEFUN([LT_AC_PROG_SED])])
+m4_ifndef([_LT_CC_BASENAME],		[AC_DEFUN([_LT_CC_BASENAME])])
+m4_ifndef([_LT_COMPILER_BOILERPLATE],	[AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
+m4_ifndef([_LT_LINKER_BOILERPLATE],	[AC_DEFUN([_LT_LINKER_BOILERPLATE])])
+m4_ifndef([_AC_PROG_LIBTOOL],		[AC_DEFUN([_AC_PROG_LIBTOOL])])
+m4_ifndef([AC_LIBTOOL_SETUP],		[AC_DEFUN([AC_LIBTOOL_SETUP])])
+m4_ifndef([_LT_AC_CHECK_DLFCN],		[AC_DEFUN([_LT_AC_CHECK_DLFCN])])
+m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER],	[AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
+m4_ifndef([_LT_AC_TAGCONFIG],		[AC_DEFUN([_LT_AC_TAGCONFIG])])
+m4_ifndef([AC_DISABLE_FAST_INSTALL],	[AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
+m4_ifndef([_LT_AC_LANG_CXX],		[AC_DEFUN([_LT_AC_LANG_CXX])])
+m4_ifndef([_LT_AC_LANG_F77],		[AC_DEFUN([_LT_AC_LANG_F77])])
+m4_ifndef([_LT_AC_LANG_GCJ],		[AC_DEFUN([_LT_AC_LANG_GCJ])])
+m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
+m4_ifndef([_LT_AC_LANG_C_CONFIG],	[AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
+m4_ifndef([_LT_AC_LANG_CXX_CONFIG],	[AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
+m4_ifndef([_LT_AC_LANG_F77_CONFIG],	[AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
+m4_ifndef([_LT_AC_LANG_GCJ_CONFIG],	[AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
+m4_ifndef([_LT_AC_LANG_RC_CONFIG],	[AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
+m4_ifndef([AC_LIBTOOL_CONFIG],		[AC_DEFUN([AC_LIBTOOL_CONFIG])])
+m4_ifndef([_LT_AC_FILE_LTDLL_C],	[AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
+m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS],	[AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
+m4_ifndef([_LT_AC_PROG_CXXCPP],		[AC_DEFUN([_LT_AC_PROG_CXXCPP])])
+m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS],	[AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
+m4_ifndef([_LT_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_PROG_F77],		[AC_DEFUN([_LT_PROG_F77])])
+m4_ifndef([_LT_PROG_FC],		[AC_DEFUN([_LT_PROG_FC])])
+m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])
+
+# pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
+# serial 11 (pkg-config-0.29.1)
+
+dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+dnl General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+dnl 02111-1307, USA.
+dnl
+dnl As a special exception to the GNU General Public License, if you
+dnl distribute this file as part of a program that contains a
+dnl configuration script generated by Autoconf, you may include it under
+dnl the same distribution terms that you use for the rest of that
+dnl program.
+
+dnl PKG_PREREQ(MIN-VERSION)
+dnl -----------------------
+dnl Since: 0.29
+dnl
+dnl Verify that the version of the pkg-config macros are at least
+dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
+dnl installed version of pkg-config, this checks the developer's version
+dnl of pkg.m4 when generating configure.
+dnl
+dnl To ensure that this macro is defined, also add:
+dnl m4_ifndef([PKG_PREREQ],
+dnl     [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
+dnl
+dnl See the "Since" comment for each macro you use to see what version
+dnl of the macros you require.
+m4_defun([PKG_PREREQ],
+[m4_define([PKG_MACROS_VERSION], [0.29.1])
+m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
+    [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
+])dnl PKG_PREREQ
+
+dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
+dnl ----------------------------------
+dnl Since: 0.16
+dnl
+dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
+dnl first found in the path. Checks that the version of pkg-config found
+dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
+dnl used since that's the first version where most current features of
+dnl pkg-config existed.
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
+m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
+AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
+AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=m4_default([$1], [0.9.0])
+	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_RESULT([no])
+		PKG_CONFIG=""
+	fi
+fi[]dnl
+])dnl PKG_PROG_PKG_CONFIG
+
+dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+dnl -------------------------------------------------------------------
+dnl Since: 0.18
+dnl
+dnl Check to see whether a particular set of modules exists. Similar to
+dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
+dnl
+dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+dnl only at the first occurence in configure.ac, so if the first place
+dnl it's called might be skipped (such as if it is within an "if", you
+dnl have to call PKG_CHECK_EXISTS manually
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+  m4_default([$2], [:])
+m4_ifvaln([$3], [else
+  $3])dnl
+fi])
+
+dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+dnl ---------------------------------------------
+dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
+dnl pkg_failed based on the result.
+m4_define([_PKG_CONFIG],
+[if test -n "$$1"; then
+    pkg_cv_[]$1="$$1"
+ elif test -n "$PKG_CONFIG"; then
+    PKG_CHECK_EXISTS([$3],
+                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes ],
+		     [pkg_failed=yes])
+ else
+    pkg_failed=untried
+fi[]dnl
+])dnl _PKG_CONFIG
+
+dnl _PKG_SHORT_ERRORS_SUPPORTED
+dnl ---------------------------
+dnl Internal check to see if pkg-config supports short errors.
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi[]dnl
+])dnl _PKG_SHORT_ERRORS_SUPPORTED
+
+
+dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+dnl   [ACTION-IF-NOT-FOUND])
+dnl --------------------------------------------------------------
+dnl Since: 0.4.0
+dnl
+dnl Note that if there is a possibility the first call to
+dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
+dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+AC_DEFUN([PKG_CHECK_MODULES],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+   	AC_MSG_RESULT([no])
+        _PKG_SHORT_ERRORS_SUPPORTED
+        if test $_pkg_short_errors_supported = yes; then
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
+        else 
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+	m4_default([$4], [AC_MSG_ERROR(
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT])[]dnl
+        ])
+elif test $pkg_failed = untried; then
+     	AC_MSG_RESULT([no])
+	m4_default([$4], [AC_MSG_FAILURE(
+[The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
+        ])
+else
+	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+        AC_MSG_RESULT([yes])
+	$3
+fi[]dnl
+])dnl PKG_CHECK_MODULES
+
+
+dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+dnl   [ACTION-IF-NOT-FOUND])
+dnl ---------------------------------------------------------------------
+dnl Since: 0.29
+dnl
+dnl Checks for existence of MODULES and gathers its build flags with
+dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
+dnl and VARIABLE-PREFIX_LIBS from --libs.
+dnl
+dnl Note that if there is a possibility the first call to
+dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
+dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
+dnl configure.ac.
+AC_DEFUN([PKG_CHECK_MODULES_STATIC],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+_save_PKG_CONFIG=$PKG_CONFIG
+PKG_CONFIG="$PKG_CONFIG --static"
+PKG_CHECK_MODULES($@)
+PKG_CONFIG=$_save_PKG_CONFIG[]dnl
+])dnl PKG_CHECK_MODULES_STATIC
+
+
+dnl PKG_INSTALLDIR([DIRECTORY])
+dnl -------------------------
+dnl Since: 0.27
+dnl
+dnl Substitutes the variable pkgconfigdir as the location where a module
+dnl should install pkg-config .pc files. By default the directory is
+dnl $libdir/pkgconfig, but the default can be changed by passing
+dnl DIRECTORY. The user can override through the --with-pkgconfigdir
+dnl parameter.
+AC_DEFUN([PKG_INSTALLDIR],
+[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
+m4_pushdef([pkg_description],
+    [pkg-config installation directory @<:@]pkg_default[@:>@])
+AC_ARG_WITH([pkgconfigdir],
+    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
+    [with_pkgconfigdir=]pkg_default)
+AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
+m4_popdef([pkg_default])
+m4_popdef([pkg_description])
+])dnl PKG_INSTALLDIR
+
+
+dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
+dnl --------------------------------
+dnl Since: 0.27
+dnl
+dnl Substitutes the variable noarch_pkgconfigdir as the location where a
+dnl module should install arch-independent pkg-config .pc files. By
+dnl default the directory is $datadir/pkgconfig, but the default can be
+dnl changed by passing DIRECTORY. The user can override through the
+dnl --with-noarch-pkgconfigdir parameter.
+AC_DEFUN([PKG_NOARCH_INSTALLDIR],
+[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
+m4_pushdef([pkg_description],
+    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
+AC_ARG_WITH([noarch-pkgconfigdir],
+    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
+    [with_noarch_pkgconfigdir=]pkg_default)
+AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
+m4_popdef([pkg_default])
+m4_popdef([pkg_description])
+])dnl PKG_NOARCH_INSTALLDIR
+
+
+dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
+dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+dnl -------------------------------------------
+dnl Since: 0.28
+dnl
+dnl Retrieves the value of the pkg-config variable for the given module.
+AC_DEFUN([PKG_CHECK_VAR],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
+
+_PKG_CONFIG([$1], [variable="][$3]["], [$2])
+AS_VAR_COPY([$1], [pkg_cv_][$1])
+
+AS_VAR_IF([$1], [""], [$5], [$4])dnl
+])dnl PKG_CHECK_VAR
+
+dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES,
+dnl   [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND],
+dnl   [DESCRIPTION], [DEFAULT])
+dnl ------------------------------------------
+dnl
+dnl Prepare a "--with-" configure option using the lowercase
+dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and
+dnl PKG_CHECK_MODULES in a single macro.
+AC_DEFUN([PKG_WITH_MODULES],
+[
+m4_pushdef([with_arg], m4_tolower([$1]))
+
+m4_pushdef([description],
+           [m4_default([$5], [build with ]with_arg[ support])])
+
+m4_pushdef([def_arg], [m4_default([$6], [auto])])
+m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes])
+m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no])
+
+m4_case(def_arg,
+            [yes],[m4_pushdef([with_without], [--without-]with_arg)],
+            [m4_pushdef([with_without],[--with-]with_arg)])
+
+AC_ARG_WITH(with_arg,
+     AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),,
+    [AS_TR_SH([with_]with_arg)=def_arg])
+
+AS_CASE([$AS_TR_SH([with_]with_arg)],
+            [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)],
+            [auto],[PKG_CHECK_MODULES([$1],[$2],
+                                        [m4_n([def_action_if_found]) $3],
+                                        [m4_n([def_action_if_not_found]) $4])])
+
+m4_popdef([with_arg])
+m4_popdef([description])
+m4_popdef([def_arg])
+
+])dnl PKG_WITH_MODULES
+
+dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
+dnl   [DESCRIPTION], [DEFAULT])
+dnl -----------------------------------------------
+dnl
+dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES
+dnl check._[VARIABLE-PREFIX] is exported as make variable.
+AC_DEFUN([PKG_HAVE_WITH_MODULES],
+[
+PKG_WITH_MODULES([$1],[$2],,,[$3],[$4])
+
+AM_CONDITIONAL([HAVE_][$1],
+               [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"])
+])dnl PKG_HAVE_WITH_MODULES
+
+dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
+dnl   [DESCRIPTION], [DEFAULT])
+dnl ------------------------------------------------------
+dnl
+dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after
+dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make
+dnl and preprocessor variable.
+AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES],
+[
+PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4])
+
+AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"],
+        [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])])
+])dnl PKG_HAVE_DEFINE_WITH_MODULES
+
+# Copyright (C) 2002-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_AUTOMAKE_VERSION(VERSION)
+# ----------------------------
+# Automake X.Y traces this macro to ensure aclocal.m4 has been
+# generated from the m4 files accompanying Automake X.Y.
+# (This private macro should not be called outside this file.)
+AC_DEFUN([AM_AUTOMAKE_VERSION],
+[am__api_version='1.16'
+dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
+dnl require some minimum version.  Point them to the right macro.
+m4_if([$1], [1.16.5], [],
+      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
+])
+
+# _AM_AUTOCONF_VERSION(VERSION)
+# -----------------------------
+# aclocal traces this macro to find the Autoconf version.
+# This is a private macro too.  Using m4_define simplifies
+# the logic in aclocal, which can simply ignore this definition.
+m4_define([_AM_AUTOCONF_VERSION], [])
+
+# AM_SET_CURRENT_AUTOMAKE_VERSION
+# -------------------------------
+# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
+# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
+AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
+[AM_AUTOMAKE_VERSION([1.16.5])dnl
+m4_ifndef([AC_AUTOCONF_VERSION],
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+_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
+
+# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
+# $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
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+# tool from the auxiliary directory.  The problem is that $srcdir (and
+# therefore $ac_aux_dir as well) can be either absolute or relative,
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+#    fails when called from a subdirectory if $ac_aux_dir is relative
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+AC_DEFUN([AM_AUX_DIR_EXPAND],
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+])
+
+# AM_CONDITIONAL                                            -*- Autoconf -*-
+
+# Copyright (C) 1997-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
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+# AM_CONDITIONAL(NAME, SHELL-CONDITION)
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+AC_CONFIG_COMMANDS_PRE(
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+fi])])
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+
+# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
+# written in clear, in which case automake, when reading aclocal.m4,
+# will think it sees a *use*, and therefore will trigger all it's
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+# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
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+
+# _AM_DEPENDENCIES(NAME)
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+m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
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+  mkdir sub
+
+  am_cv_$1_dependencies_compiler_type=none
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+    # We need to recreate these files for each test, as the compiler may
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+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
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+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
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+      am__obj=conftest.${OBJEXT-o}
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+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
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+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
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+      # When given -MP, icc 7.0 and 7.1 complain thusly:
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+        am_cv_$1_dependencies_compiler_type=$depmode
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+  cd ..
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+# AM_SET_DEPDIR
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+_AM_SUBST_NOTMAKE([am__nodep])dnl
+])
+
+# Generate code to set up dependency tracking.              -*- Autoconf -*-
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
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+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
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+  # TODO: see whether this extra hack can be removed once we start
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+  for am_mf
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+    # Check whether this is an Automake generated Makefile which includes
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+    # Grep'ing the whole file directly is not great: AIX grep has a line
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+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
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+    am_dirpart=`AS_DIRNAME(["$am_mf"])`
+    am_filepart=`AS_BASENAME(["$am_mf"])`
+    AM_RUN_LOG([cd "$am_dirpart" \
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+        | $MAKE -f - am--depfiles]) || am_rc=$?
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+  if test $am_rc -ne 0; then
+    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
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+  AS_UNSET([am_dirpart])
+  AS_UNSET([am_filepart])
+  AS_UNSET([am_mf])
+  AS_UNSET([am_rc])
+  rm -f conftest-deps.mk
+}
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
+
+
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
+# This macro should only be invoked once -- use via AC_REQUIRE.
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+[AC_CONFIG_COMMANDS([depfiles],
+     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
+     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
+
+# Do all the work for Automake.                             -*- Autoconf -*-
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This macro actually does too much.  Some checks are only needed if
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+dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
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+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
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+# We support both call styles for the transition.  After
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+AC_DEFUN([AM_INIT_AUTOMAKE],
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+  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
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+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
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+_AM_IF_OPTION([no-define],,
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+# Some tools Automake needs.
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+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
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+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+		  [_AM_DEPENDENCIES([CXX])],
+		  [m4_define([AC_PROG_CXX],
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+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+		  [_AM_DEPENDENCIES([OBJC])],
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+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+		  [_AM_DEPENDENCIES([OBJCXX])],
+		  [m4_define([AC_PROG_OBJCXX],
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+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+  fi
+fi
+dnl The trailing newline in this macro's definition is deliberate, for
+dnl backward compatibility and to allow trailing 'dnl'-style comments
+dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
+])
+
+dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+if test x"${install_sh+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+AC_SUBST([install_sh])])
+
+# Copyright (C) 2003-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot.  For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
+# From Jim Meyering
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MAINTAINER_MODE([DEFAULT-MODE])
+# ----------------------------------
+# Control maintainer-specific portions of Makefiles.
+# Default is to disable them, unless 'enable' is passed literally.
+# For symmetry, 'disable' may be passed as well.  Anyway, the user
+# can override the default with the --enable/--disable switch.
+AC_DEFUN([AM_MAINTAINER_MODE],
+[m4_case(m4_default([$1], [disable]),
+       [enable], [m4_define([am_maintainer_other], [disable])],
+       [disable], [m4_define([am_maintainer_other], [enable])],
+       [m4_define([am_maintainer_other], [enable])
+        m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode's default is 'disable' unless 'enable' is passed
+  AC_ARG_ENABLE([maintainer-mode],
+    [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
+      am_maintainer_other[ make rules and dependencies not useful
+      (and sometimes confusing) to the casual installer])],
+    [USE_MAINTAINER_MODE=$enableval],
+    [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
+  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
+  AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
+  MAINT=$MAINTAINER_MODE_TRUE
+  AC_SUBST([MAINT])dnl
+]
+)
+
+# Check to see how 'make' treats includes.	            -*- Autoconf -*-
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check whether make has an 'include' directive that can support all
+# the idioms we need for our automatic dependency tracking code.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
+cat > confinc.mk << 'END'
+am__doit:
+	@echo this is the am__doit target >confinc.out
+.PHONY: am__doit
+END
+am__include="#"
+am__quote=
+# BSD make does it like this.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
+echo 'include confinc.mk # ignored' > confmf.GNU
+_am_result=no
+for s in GNU BSD; do
+  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
+  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
+      ['0:this is the am__doit target'],
+      [AS_CASE([$s],
+          [BSD], [am__include='.include' am__quote='"'],
+          [am__include='include' am__quote=''])])
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
+  fi
+done
+rm -f confinc.* confmf.*
+AC_MSG_RESULT([${_am_result}])
+AC_SUBST([am__include])])
+AC_SUBST([am__quote])])
+
+# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
+
+# Copyright (C) 1997-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it is modern enough.
+# If it is, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([missing])dnl
+if test x"${MISSING+set}" != xset; then
+  MISSING="\${SHELL} '$am_aux_dir/missing'"
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
+else
+  am_missing_run=
+  AC_MSG_WARN(['missing' script is too old or missing])
+fi
+])
+
+# Helper functions for option handling.                     -*- Autoconf -*-
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
+
+# _AM_SET_OPTION(NAME)
+# --------------------
+# Set option NAME.  Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
+
+# _AM_SET_OPTIONS(OPTIONS)
+# ------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_PROG_CC_C_O
+# ---------------
+# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
+# to automatically call this.
+AC_DEFUN([_AM_PROG_CC_C_O],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([compile])dnl
+AC_LANG_PUSH([C])dnl
+AC_CACHE_CHECK(
+  [whether $CC understands -c and -o together],
+  [am_cv_prog_cc_c_o],
+  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i])
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+AC_LANG_POP([C])])
+
+# For backward compatibility.
+AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_RUN_LOG(COMMAND)
+# -------------------
+# Run COMMAND, save the exit status in ac_status, and log it.
+# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
+AC_DEFUN([AM_RUN_LOG],
+[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
+   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   (exit $ac_status); }])
+
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[[\\\"\#\$\&\'\`$am_lf]]*)
+    AC_MSG_ERROR([unsafe absolute working directory name]);;
+esac
+case $srcdir in
+  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$[*]" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$[*]" != "X $srcdir/configure conftest.file" \
+	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment])
+     fi
+     if test "$[2]" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
+   test "$[2]" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT([yes])
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+AC_CONFIG_COMMANDS_PRE(
+  [AC_MSG_CHECKING([that generated files are newer than configure])
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   AC_MSG_RESULT([done])])
+rm -f conftest.file
+])
+
+# Copyright (C) 2009-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
+# Enable less verbose build rules; with the default set to DEFAULT
+# ("yes" being less verbose, "no" or empty being verbose).
+AC_DEFUN([AM_SILENT_RULES],
+[AC_ARG_ENABLE([silent-rules], [dnl
+AS_HELP_STRING(
+  [--enable-silent-rules],
+  [less verbose build output (undo: "make V=1")])
+AS_HELP_STRING(
+  [--disable-silent-rules],
+  [verbose build output (undo: "make V=0")])dnl
+])
+case $enable_silent_rules in @%:@ (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
+esac
+dnl
+dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
+dnl do not support nested variable expansions.
+dnl See automake bug#9928 and bug#10237.
+am_make=${MAKE-make}
+AC_CACHE_CHECK([whether $am_make supports nested variables],
+   [am_cv_make_support_nested_variables],
+   [if AS_ECHO([['TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi])
+if test $am_cv_make_support_nested_variables = yes; then
+  dnl Using '$V' instead of '$(V)' breaks IRIX make.
+  AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AC_SUBST([AM_V])dnl
+AM_SUBST_NOTMAKE([AM_V])dnl
+AC_SUBST([AM_DEFAULT_V])dnl
+AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
+AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
+AM_BACKSLASH='\'
+AC_SUBST([AM_BACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
+])
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor 'install' (even GNU) is that you can't
+# specify the program used to strip binaries.  This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in "make install-strip", and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
+if test "$cross_compiling" != no; then
+  AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# AM_SUBST_NOTMAKE(VARIABLE)
+# --------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
+
+# Check how to create a tarball.                            -*- Autoconf -*-
+
+# Copyright (C) 2004-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of 'v7', 'ustar', or 'pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+#     tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+#     $(am__untar) < result.tar
+#
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+
+m4_if([$1], [v7],
+  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
+
+  [m4_case([$1],
+    [ustar],
+     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+      if test $am_uid -le $am_max_uid; then
+         AC_MSG_RESULT([yes])
+      else
+         AC_MSG_RESULT([no])
+         _am_tools=none
+      fi
+      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+      if test $am_gid -le $am_max_gid; then
+         AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+        _am_tools=none
+      fi],
+
+  [pax],
+    [],
+
+  [m4_fatal([Unknown tar format])])
+
+  AC_MSG_CHECKING([how to create a $1 tar archive])
+
+  # Go ahead even if we have the value already cached.  We do so because we
+  # need to set the values for the 'am__tar' and 'am__untar' variables.
+  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+
+  for _am_tool in $_am_tools; do
+    case $_am_tool in
+    gnutar)
+      for _am_tar in tar gnutar gtar; do
+        AM_RUN_LOG([$_am_tar --version]) && break
+      done
+      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+      am__untar="$_am_tar -xf -"
+      ;;
+    plaintar)
+      # Must skip GNU tar: if it does not support --format= it doesn't create
+      # ustar tarball either.
+      (tar --version) >/dev/null 2>&1 && continue
+      am__tar='tar chf - "$$tardir"'
+      am__tar_='tar chf - "$tardir"'
+      am__untar='tar xf -'
+      ;;
+    pax)
+      am__tar='pax -L -x $1 -w "$$tardir"'
+      am__tar_='pax -L -x $1 -w "$tardir"'
+      am__untar='pax -r'
+      ;;
+    cpio)
+      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+      am__untar='cpio -i -H $1 -d'
+      ;;
+    none)
+      am__tar=false
+      am__tar_=false
+      am__untar=false
+      ;;
+    esac
+
+    # If the value was cached, stop now.  We just wanted to have am__tar
+    # and am__untar set.
+    test -n "${am_cv_prog_tar_$1}" && break
+
+    # tar/untar a dummy directory, and stop if the command works.
+    rm -rf conftest.dir
+    mkdir conftest.dir
+    echo GrepMe > conftest.dir/file
+    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    rm -rf conftest.dir
+    if test -s conftest.tar; then
+      AM_RUN_LOG([$am__untar <conftest.tar])
+      AM_RUN_LOG([cat conftest.dir/file])
+      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+    fi
+  done
+  rm -rf conftest.dir
+
+  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
+
+m4_include([aclocal/ax_gcc_func_attribute.m4])
+m4_include([aclocal/bsdsignals.m4])
+m4_include([aclocal/getrandom.m4])
+m4_include([aclocal/ipv6.m4])
+m4_include([aclocal/kerberos5.m4])
+m4_include([aclocal/keyutils.m4])
+m4_include([aclocal/libblkid.m4])
+m4_include([aclocal/libcap.m4])
+m4_include([aclocal/libevent.m4])
+m4_include([aclocal/libpthread.m4])
+m4_include([aclocal/libsqlite3.m4])
+m4_include([aclocal/libtirpc.m4])
+m4_include([aclocal/libxml2.m4])
+m4_include([aclocal/nfs-utils.m4])
+m4_include([aclocal/rpcsec_vers.m4])
+m4_include([aclocal/tcp-wrappers.m4])
diff --git a/aclocal/ax_gcc_func_attribute.m4 b/aclocal/ax_gcc_func_attribute.m4
new file mode 100644
index 0000000..098c9aa
--- /dev/null
+++ b/aclocal/ax_gcc_func_attribute.m4
@@ -0,0 +1,238 @@
+# ===========================================================================
+#  https://www.gnu.org/software/autoconf-archive/ax_gcc_func_attribute.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_GCC_FUNC_ATTRIBUTE(ATTRIBUTE)
+#
+# DESCRIPTION
+#
+#   This macro checks if the compiler supports one of GCC's function
+#   attributes; many other compilers also provide function attributes with
+#   the same syntax. Compiler warnings are used to detect supported
+#   attributes as unsupported ones are ignored by default so quieting
+#   warnings when using this macro will yield false positives.
+#
+#   The ATTRIBUTE parameter holds the name of the attribute to be checked.
+#
+#   If ATTRIBUTE is supported define HAVE_FUNC_ATTRIBUTE_<ATTRIBUTE>.
+#
+#   The macro caches its result in the ax_cv_have_func_attribute_<attribute>
+#   variable.
+#
+#   The macro currently supports the following function attributes:
+#
+#    alias
+#    aligned
+#    alloc_size
+#    always_inline
+#    artificial
+#    cold
+#    const
+#    constructor
+#    constructor_priority for constructor attribute with priority
+#    deprecated
+#    destructor
+#    dllexport
+#    dllimport
+#    error
+#    externally_visible
+#    fallthrough
+#    flatten
+#    format
+#    format_arg
+#    gnu_inline
+#    hot
+#    ifunc
+#    leaf
+#    malloc
+#    noclone
+#    noinline
+#    nonnull
+#    noreturn
+#    nothrow
+#    optimize
+#    pure
+#    sentinel
+#    sentinel_position
+#    unused
+#    used
+#    visibility
+#    warning
+#    warn_unused_result
+#    weak
+#    weakref
+#
+#   Unsupported function attributes will be tested with a prototype
+#   returning an int and not accepting any arguments and the result of the
+#   check might be wrong or meaningless so use with care.
+#
+# LICENSE
+#
+#   Copyright (c) 2013 Gabriele Svelto <gabriele.svelto@gmail.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.  This file is offered as-is, without any
+#   warranty.
+
+#serial 9
+
+AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [
+    AS_VAR_PUSHDEF([ac_var], [ax_cv_have_func_attribute_$1])
+
+    AC_CACHE_CHECK([for __attribute__(($1))], [ac_var], [
+        AC_LINK_IFELSE([AC_LANG_PROGRAM([
+            m4_case([$1],
+                [alias], [
+                    int foo( void ) { return 0; }
+                    int bar( void ) __attribute__(($1("foo")));
+                ],
+                [aligned], [
+                    int foo( void ) __attribute__(($1(32)));
+                ],
+                [alloc_size], [
+                    void *foo(int a) __attribute__(($1(1)));
+                ],
+                [always_inline], [
+                    inline __attribute__(($1)) int foo( void ) { return 0; }
+                ],
+                [artificial], [
+                    inline __attribute__(($1)) int foo( void ) { return 0; }
+                ],
+                [cold], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [const], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [constructor_priority], [
+                    int foo( void ) __attribute__((__constructor__(65535/2)));
+                ],
+                [constructor], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [deprecated], [
+                    int foo( void ) __attribute__(($1("")));
+                ],
+                [destructor], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [dllexport], [
+                    __attribute__(($1)) int foo( void ) { return 0; }
+                ],
+                [dllimport], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [error], [
+                    int foo( void ) __attribute__(($1("")));
+                ],
+                [externally_visible], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [fallthrough], [
+                    int foo( void ) {switch (0) { case 1: __attribute__(($1)); case 2: break ; }};
+                ],
+                [flatten], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [format], [
+                    int foo(const char *p, ...) __attribute__(($1(printf, 1, 2)));
+                ],
+                [format_arg], [
+                    char *foo(const char *p) __attribute__(($1(1)));
+                ],
+                [gnu_inline], [
+                    inline __attribute__(($1)) int foo( void ) { return 0; }
+                ],
+                [hot], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [ifunc], [
+                    int my_foo( void ) { return 0; }
+                    static int (*resolve_foo(void))(void) { return my_foo; }
+                    int foo( void ) __attribute__(($1("resolve_foo")));
+                ],
+                [leaf], [
+                    __attribute__(($1)) int foo( void ) { return 0; }
+                ],
+                [malloc], [
+                    void *foo( void ) __attribute__(($1));
+                ],
+                [noclone], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [noinline], [
+                    __attribute__(($1)) int foo( void ) { return 0; }
+                ],
+                [nonnull], [
+                    int foo(char *p) __attribute__(($1(1)));
+                ],
+                [noreturn], [
+                    void foo( void ) __attribute__(($1));
+                ],
+                [nothrow], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [optimize], [
+                    __attribute__(($1(3))) int foo( void ) { return 0; }
+                ],
+                [pure], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [sentinel], [
+                    int foo(void *p, ...) __attribute__(($1));
+                ],
+                [sentinel_position], [
+                    int foo(void *p, ...) __attribute__(($1(1)));
+                ],
+                [returns_nonnull], [
+                    void *foo( void ) __attribute__(($1));
+                ],
+                [unused], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [used], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [visibility], [
+                    int foo_def( void ) __attribute__(($1("default")));
+                    int foo_hid( void ) __attribute__(($1("hidden")));
+                    int foo_int( void ) __attribute__(($1("internal")));
+                    int foo_pro( void ) __attribute__(($1("protected")));
+                ],
+                [warning], [
+                    int foo( void ) __attribute__(($1("")));
+                ],
+                [warn_unused_result], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [weak], [
+                    int foo( void ) __attribute__(($1));
+                ],
+                [weakref], [
+                    static int foo( void ) { return 0; }
+                    static int bar( void ) __attribute__(($1("foo")));
+                ],
+                [
+                 m4_warn([syntax], [Unsupported attribute $1, the test may fail])
+                 int foo( void ) __attribute__(($1));
+                ]
+            )], [])
+            ],
+            dnl GCC doesn't exit with an error if an unknown attribute is
+            dnl provided but only outputs a warning, so accept the attribute
+            dnl only if no warning were issued.
+            [AS_IF([test -s conftest.err],
+                [AS_VAR_SET([ac_var], [no])],
+                [AS_VAR_SET([ac_var], [yes])])],
+            [AS_VAR_SET([ac_var], [no])])
+    ])
+
+    AS_IF([test yes = AS_VAR_GET([ac_var])],
+        [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_FUNC_ATTRIBUTE_$1), 1,
+            [Define to 1 if the system has the `$1' function attribute])], [])
+
+    AS_VAR_POPDEF([ac_var])
+])
diff --git a/aclocal/bsdsignals.m4 b/aclocal/bsdsignals.m4
new file mode 100644
index 0000000..362ddb5
--- /dev/null
+++ b/aclocal/bsdsignals.m4
@@ -0,0 +1,35 @@
+dnl *********** BSD vs. POSIX signal handling **************
+AC_DEFUN([AC_BSD_SIGNALS], [
+  AC_MSG_CHECKING(for BSD signal semantics)
+  AC_CACHE_VAL(knfsd_cv_bsd_signals,
+    [AC_RUN_IFELSE([AC_LANG_SOURCE([[
+	#include <signal.h>
+	#include <unistd.h>
+	#include <sys/wait.h>
+
+	static int counter = 0;
+	static void handler(int num) { counter++; }
+
+	int main()
+	{
+		int	s;
+		if ((s = fork()) < 0) return 1;
+		if (s != 0) {
+			if (wait(&s) < 0) return 1;
+			return WIFSIGNALED(s)? 1 : 0;
+		}
+
+		signal(SIGHUP, handler);
+		kill(getpid(), SIGHUP); kill(getpid(), SIGHUP);
+		return (counter == 2)? 0 : 1;
+	}
+    ]])],[knfsd_cv_bsd_signals=yes],[knfsd_cv_bsd_signals=no],[
+      case "$host_os" in
+        *linux*) knfsd_cv_bsd_signals=no;;
+        *bsd*)   knfsd_cv_bsd_signals=yes;;
+        *)       AC_MSG_ERROR([unable to guess signal semantics for $host_os; please set knfsd_cv_bsd_signals]);;
+      esac
+    ])]) dnl
+    AC_MSG_RESULT($knfsd_cv_bsd_signals)
+    test $knfsd_cv_bsd_signals = yes && AC_DEFINE(HAVE_BSD_SIGNALS, 1, [Define this if you want to use BSD signal semantics])
+])dnl
diff --git a/aclocal/getrandom.m4 b/aclocal/getrandom.m4
new file mode 100644
index 0000000..bc0fe16
--- /dev/null
+++ b/aclocal/getrandom.m4
@@ -0,0 +1,16 @@
+dnl Checks for getrandom support (glibc 2.25+, musl 1.1.20+)
+dnl
+AC_DEFUN([AC_GETRANDOM], [
+    AC_MSG_CHECKING(for getrandom())
+    AC_LINK_IFELSE(
+		[AC_LANG_PROGRAM([[
+		   #include <stdlib.h>  /* for NULL */
+		   #include <sys/random.h>
+		]],
+		[[ return getrandom(NULL, 0U, 0U); ]] )],
+		[AC_DEFINE([HAVE_GETRANDOM], [1], [Define to 1 if you have the `getrandom' function.])
+		AC_MSG_RESULT([yes])],
+		[AC_MSG_RESULT([no])])
+
+	AC_SUBST(HAVE_GETRANDOM)
+])
diff --git a/aclocal/ipv6.m4 b/aclocal/ipv6.m4
new file mode 100644
index 0000000..75a8582
--- /dev/null
+++ b/aclocal/ipv6.m4
@@ -0,0 +1,20 @@
+dnl Checks for IPv6 support
+dnl
+AC_DEFUN([AC_IPV6], [
+
+  if test "$enable_ipv6" = yes; then
+
+    dnl TI-RPC required for IPv6
+    if test "$enable_tirpc" = no; then
+      AC_MSG_ERROR(['--enable-ipv6' requires TIRPC support.])
+    fi
+
+    dnl IPv6-enabled networking functions required for IPv6
+    AC_CHECK_FUNCS([getifaddrs getnameinfo], ,
+                   [AC_MSG_ERROR([Missing library functions needed for IPv6.])])
+
+    AC_CHECK_LIB([tirpc], [bindresvport_sa], [:],
+		 [AC_MSG_ERROR([Missing library functions needed for IPv6.])])
+  fi
+
+])dnl
diff --git a/aclocal/kerberos5.m4 b/aclocal/kerberos5.m4
new file mode 100644
index 0000000..f96f0fd
--- /dev/null
+++ b/aclocal/kerberos5.m4
@@ -0,0 +1,114 @@
+dnl Checks for Kerberos
+dnl NOTE: while we intend to do generic gss-api, currently we
+dnl have a requirement to get an initial Kerberos machine
+dnl credential.  Thus, the requirement for Kerberos.
+dnl The Kerberos gssapi library will be dynamically loaded?
+AC_DEFUN([AC_KERBEROS_V5],[
+  AC_MSG_CHECKING(for Kerberos v5)
+  AC_ARG_WITH(krb5,
+  [AS_HELP_STRING([--with-krb5=DIR],[use Kerberos v5 installation in DIR])],
+  [ case "$withval" in
+    yes|no)
+       krb5_with=""
+       ;;
+    *)
+       krb5_with="$withval"
+       ;;
+    esac ]
+  )
+
+  for dir in $krb5_with /usr /usr/kerberos /usr/local /usr/local/krb5 \
+  	     /usr/krb5 /usr/heimdal /usr/local/heimdal /usr/athena ; do
+    dnl This ugly hack brought on by the split installation of
+    dnl MIT Kerberos on Fedora Core 1
+    K5CONFIG=""
+    if test -f $dir/bin/krb5-config; then
+      K5CONFIG=$dir/bin/krb5-config
+    elif test -f "/usr/kerberos/bin/krb5-config"; then
+      K5CONFIG="/usr/kerberos/bin/krb5-config"
+    elif test -f "/usr/lib/mit/bin/krb5-config"; then
+      K5CONFIG="/usr/lib/mit/bin/krb5-config"
+    fi
+    if test "$K5CONFIG" != ""; then
+      KRBCFLAGS=`$K5CONFIG --cflags`
+      KRBLIBS=`$K5CONFIG --libs`
+      GSSKRB_CFLAGS=`$K5CONFIG --cflags gssapi`
+      GSSKRB_LIBS=`$K5CONFIG --libs gssapi`
+      K5VERS=`$K5CONFIG --version | head -n 1 | awk '{split($(4),v,"."); if (v@<:@"3"@:>@ == "") v@<:@"3"@:>@ = "0"; print v@<:@"1"@:>@v@<:@"2"@:>@v@<:@"3"@:>@ }'`
+      AC_DEFINE_UNQUOTED(KRB5_VERSION, $K5VERS, [Define this as the Kerberos version number])
+      if test -f $dir/include/gssapi/gssapi_krb5.h -a \
+                \( -f $dir/lib/libgssapi_krb5.a -o \
+                   -f $dir/lib/libgssapi_krb5.so -o \
+                   -f $dir/lib32/libgssapi_krb5.a -o \
+                   -f $dir/lib32/libgssapi_krb5.so -o \
+                   -f $dir/lib64/libgssapi_krb5.a -o \
+                   -f $dir/lib64/libgssapi_krb5.so -o \
+                   -f $dir/lib/$(uname -m)-linux-gnu/libgssapi_krb5.a -o \
+                   -f $dir/lib/$(uname -m)-linux-gnu/libgssapi_krb5.so \) ; then
+         AC_DEFINE(HAVE_KRB5, 1, [Define this if you have MIT Kerberos libraries])
+         KRBDIR="$dir"
+         gssapi_lib=gssapi_krb5
+         break
+      dnl The following ugly hack brought on by the split installation
+      dnl of Heimdal Kerberos on SuSe
+      elif test \( -f $dir/include/heim_err.h -o\
+      		 -f $dir/include/heimdal/heim_err.h \) -a \
+                -f $dir/lib/libroken.a; then
+         AC_DEFINE(HAVE_HEIMDAL, 1, [Define this if you have Heimdal Kerberos libraries])
+         KRBDIR="$dir"
+         gssapi_lib=gssapi
+        break
+      fi
+    fi
+  done
+  dnl We didn't find a usable Kerberos environment
+  if test "x$KRBDIR" = "x"; then
+    if test "x$krb5_with" = "x"; then
+      AC_MSG_ERROR(Kerberos v5 with GSS support not found: consider --disable-gss or --with-krb5=)
+    else
+      AC_MSG_ERROR(Kerberos v5 with GSS support not found at $krb5_with)
+    fi
+  fi
+  AC_MSG_RESULT($KRBDIR)
+
+  dnl Check if -rpath=$(KRBDIR)/lib is needed
+  echo "The current KRBDIR is $KRBDIR"
+  if test "$KRBDIR/lib" = "/lib" -o "$KRBDIR/lib" = "/usr/lib" \
+       -o "$KRBDIR/lib" = "//lib" -o "$KRBDIR/lib" = "/usr//lib" ; then
+    KRBLDFLAGS="";
+  elif /sbin/ldconfig -p | grep > /dev/null "=> $KRBDIR/lib/"; then
+    KRBLDFLAGS="";
+  else
+    KRBLDFLAGS="-Wl,-rpath=$KRBDIR/lib"
+  fi
+
+  dnl Now check for functions within gssapi library
+  AC_CHECK_LIB($gssapi_lib, gss_krb5_export_lucid_sec_context,
+    AC_DEFINE(HAVE_LUCID_CONTEXT_SUPPORT, 1, [Define this if the Kerberos GSS library supports gss_krb5_export_lucid_sec_context]), ,$KRBLIBS)
+  AC_CHECK_LIB($gssapi_lib, gss_krb5_set_allowable_enctypes,
+    AC_DEFINE(HAVE_SET_ALLOWABLE_ENCTYPES, 1, [Define this if the Kerberos GSS library supports gss_krb5_set_allowable_enctypes]), ,$KRBLIBS)
+  AC_CHECK_LIB($gssapi_lib, gss_krb5_free_lucid_sec_context,
+    AC_DEFINE(HAVE_GSS_KRB5_FREE_LUCID_SEC_CONTEXT, 1, [Define this if the Kerberos GSS library supports gss_krb5_free_lucid_sec_context]), ,$KRBLIBS)
+
+  dnl Check for newer error message facility
+  AC_CHECK_LIB($gssapi_lib, krb5_get_error_message,
+    AC_DEFINE(HAVE_KRB5_GET_ERROR_MESSAGE, 1, [Define this if the function krb5_get_error_message is available]), ,$KRBLIBS)
+
+  dnl Check for function to specify addressless tickets
+  AC_CHECK_LIB($gssapi_lib, krb5_get_init_creds_opt_set_addressless,
+    AC_DEFINE(HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS, 1, [Define this if the function krb5_get_init_creds_opt_set_addressless is available]), ,$KRBLIBS)
+
+  dnl If they specified a directory and it didn't work, give them a warning
+  if test "x$krb5_with" != "x" -a "$krb5_with" != "$KRBDIR"; then
+    AC_MSG_WARN(Using $KRBDIR instead of requested value of $krb5_with for Kerberos!)
+  fi
+
+  AC_SUBST([KRBDIR])
+  AC_SUBST([KRBLIBS])
+  AC_SUBST([KRBCFLAGS])
+  AC_SUBST([KRBLDFLAGS])
+  AC_SUBST([K5VERS])
+  AC_SUBST([GSSKRB_CFLAGS])
+  AC_SUBST([GSSKRB_LIBS])
+
+])
diff --git a/aclocal/keyutils.m4 b/aclocal/keyutils.m4
new file mode 100644
index 0000000..16b225d
--- /dev/null
+++ b/aclocal/keyutils.m4
@@ -0,0 +1,15 @@
+dnl Checks for keyutils library and headers
+dnl
+AC_DEFUN([AC_KEYUTILS], [
+
+  dnl Check for libkeyutils; do not add to LIBS if found
+  AC_CHECK_LIB([keyutils], [keyctl_instantiate], [LIBKEYUTILS=-lkeyutils], ,)
+  AC_SUBST(LIBKEYUTILS)
+
+  AC_CHECK_HEADERS([keyutils.h])
+
+  AC_CHECK_LIB([keyutils], [find_key_by_type_and_desc],
+		[AC_DEFINE([HAVE_FIND_KEY_BY_TYPE_AND_DESC], [1],
+			[Define to 1 if you have the `find_key_by_type_and_desc' function.])],)
+
+])dnl
diff --git a/aclocal/libblkid.m4 b/aclocal/libblkid.m4
new file mode 100644
index 0000000..1b8884c
--- /dev/null
+++ b/aclocal/libblkid.m4
@@ -0,0 +1,18 @@
+dnl *************************** libblkid needs version 1.40 or later ***********************
+AC_DEFUN([AC_BLKID_VERS], [
+  AC_MSG_CHECKING(for suitable libblkid version)
+  AC_CACHE_VAL([libblkid_cv_is_recent],
+   [
+    saved_LIBS="$LIBS"
+    LIBS=-lblkid
+    AC_RUN_IFELSE([AC_LANG_SOURCE([[
+	#include <blkid/blkid.h>
+	int main()
+	{
+		int vers = blkid_get_library_version(0, 0);
+		return vers >= 140 ? 0 : 1;
+	}
+       ]])],[libblkid_cv_is_recent=yes],[libblkid_cv_is_recent=no],[libblkid_cv_is_recent=unknown])
+    LIBS="$saved_LIBS"])
+  AC_MSG_RESULT($libblkid_cv_is_recent)
+])dnl
diff --git a/aclocal/libcap.m4 b/aclocal/libcap.m4
new file mode 100644
index 0000000..f8a0ed1
--- /dev/null
+++ b/aclocal/libcap.m4
@@ -0,0 +1,23 @@
+dnl Checks for libcap.so
+dnl
+AC_DEFUN([AC_LIBCAP], [
+
+  dnl look for prctl
+  AC_CHECK_FUNC([prctl], , AC_MSG_ERROR([prctl syscall is not available]))
+
+  AC_ARG_ENABLE([caps],
+    [AS_HELP_STRING([--disable-caps], [Disable capabilities support])])
+
+  LIBCAP=
+
+  if test "x$enable_caps" != "xno" ; then
+    dnl look for the library; do not add to LIBS if found
+    AC_CHECK_LIB([cap], [cap_get_proc], [LIBCAP=-lcap], ,)
+
+    AC_CHECK_HEADERS([sys/capability.h], ,
+      [test "x$enable_caps" = "xyes" && AC_MSG_ERROR([libcap headers not found.])])
+  fi
+
+  AC_SUBST(LIBCAP)
+
+])dnl
diff --git a/aclocal/libevent.m4 b/aclocal/libevent.m4
new file mode 100644
index 0000000..e0b820b
--- /dev/null
+++ b/aclocal/libevent.m4
@@ -0,0 +1,12 @@
+dnl Checks for libevent
+AC_DEFUN([AC_LIBEVENT], [
+
+  dnl Check for libevent, but do not add -levent_core to LIBS
+  AC_CHECK_LIB([event_core], [event_base_dispatch], [LIBEVENT=-levent_core],
+               [AC_MSG_ERROR([libevent not found.])])
+  AC_SUBST(LIBEVENT)
+
+  AC_CHECK_HEADERS([event2/event.h], ,
+                   [AC_MSG_ERROR([libevent headers not found.])])
+
+])dnl
diff --git a/aclocal/libnfsidmap.m4 b/aclocal/libnfsidmap.m4
new file mode 100644
index 0000000..ae697e8
--- /dev/null
+++ b/aclocal/libnfsidmap.m4
@@ -0,0 +1,23 @@
+dnl Checks for libnfsidmap
+dnl
+AC_DEFUN([AC_LIBNFSIDMAP], [
+
+  dnl Check for libnfsidmap, but do not add -lnfsidmap to LIBS
+  AC_CHECK_LIB([nfsidmap], [nfs4_init_name_mapping], [LIBNFSIDMAP=-lnfsidmap],
+               [AC_MSG_ERROR([libnfsidmap not found.])])
+
+  AC_CHECK_HEADERS([nfsidmap.h], ,
+                   [AC_MSG_ERROR([libnfsidmap headers not found.])])
+
+  dnl nfs4_set_debug() doesn't appear in all versions of libnfsidmap
+  AC_CHECK_LIB([nfsidmap], [nfs4_set_debug],
+               [AC_DEFINE([HAVE_NFS4_SET_DEBUG], 1,
+                          [Define to 1 if you have the `nfs4_set_debug' function.])])
+
+  dnl nfs4_owner_to_uid() doesn't appear in all versions of libnfsidmap
+  dnl We just need this test to set $ac_cv_lib_nfsidmap_nfs4_owner_to_uid
+  AC_CHECK_LIB([nfsidmap], [nfs4_owner_to_uid], [:])
+
+  AC_SUBST(LIBNFSIDMAP)
+
+])dnl
diff --git a/aclocal/libpthread.m4 b/aclocal/libpthread.m4
new file mode 100644
index 0000000..55e046e
--- /dev/null
+++ b/aclocal/libpthread.m4
@@ -0,0 +1,14 @@
+dnl Checks for pthreads library and headers
+dnl
+AC_DEFUN([AC_LIBPTHREAD], [
+
+    dnl Check for library, but do not add -lpthreads to LIBS
+    AC_CHECK_LIB([pthread], [pthread_create],
+		[AC_DEFINE([HAVE_LIBPTHREAD], [1],
+				[Define to 1 if you have libpthread.])
+		AC_CHECK_HEADERS([pthread.h], [],
+				[AC_MSG_ERROR([libpthread headers not found.])])
+		 AC_SUBST([LIBPTHREAD],[-lpthread])],
+                 [$1])
+
+])dnl
diff --git a/aclocal/libsqlite3.m4 b/aclocal/libsqlite3.m4
new file mode 100644
index 0000000..16b8c8a
--- /dev/null
+++ b/aclocal/libsqlite3.m4
@@ -0,0 +1,31 @@
+dnl Checks for matching sqlite3 header and library, and
+dnl sufficient sqlite3 version.
+dnl
+AC_DEFUN([AC_SQLITE3_VERS], [
+  AC_CHECK_HEADERS([sqlite3.h], ,)
+
+  dnl look for the library; do not add to LIBS if found
+  AC_CHECK_LIB([sqlite3], [sqlite3_libversion_number], [LIBSQLITE=-lsqlite3], ,)
+  AC_SUBST(LIBSQLITE)
+
+  AC_MSG_CHECKING(for suitable sqlite3 version)
+
+  AC_CACHE_VAL([libsqlite3_cv_is_recent],
+   [
+    saved_LIBS="$LIBS"
+    LIBS=-lsqlite3
+    AC_RUN_IFELSE([AC_LANG_SOURCE([[
+	#include <stdio.h>
+	#include <sqlite3.h>
+	int main()
+	{
+		int vers = sqlite3_libversion_number();
+
+		return vers != SQLITE_VERSION_NUMBER ||
+			vers < 3003000;
+	}
+       ]])],[libsqlite3_cv_is_recent=yes],[libsqlite3_cv_is_recent=no],[libsqlite3_cv_is_recent=unknown])
+    LIBS="$saved_LIBS"])
+
+  AC_MSG_RESULT($libsqlite3_cv_is_recent)
+])dnl
diff --git a/aclocal/libtirpc.m4 b/aclocal/libtirpc.m4
new file mode 100644
index 0000000..bddae02
--- /dev/null
+++ b/aclocal/libtirpc.m4
@@ -0,0 +1,62 @@
+dnl Checks for TI-RPC library and headers
+dnl
+AC_DEFUN([AC_LIBTIRPC], [
+
+  PKG_PROG_PKG_CONFIG([0.9.0])
+  AS_IF(
+    [test "$enable_tirpc" != "no"],
+    [PKG_CHECK_MODULES([TIRPC], [libtirpc],
+                      [LIBTIRPC="${TIRPC_LIBS}"
+                       AM_CPPFLAGS="${AM_CPPFLAGS} ${TIRPC_CFLAGS}"
+                       AC_DEFINE([HAVE_LIBTIRPC], [1],
+                                 [Define to 1 if you have and wish to use libtirpc.])],
+                      [AC_LIBTIRPC_OLD
+                       AS_IF([test "$enable_tirpc" = "yes" -a -z "${LIBTIRPC}"],
+                             [AC_MSG_ERROR([libtirpc not found.])])])])
+
+     AS_IF([test -n "${LIBTIRPC}"],
+           [AC_CHECK_LIB([tirpc], [authgss_free_private_data],
+                         [AC_DEFINE([HAVE_AUTHGSS_FREE_PRIVATE_DATA], [1],
+                                    [Define to 1 if your rpcsec library provides authgss_free_private_data])],,
+                         [${LIBS}])])
+
+     AS_IF([test -n "${LIBTIRPC}"],
+           [AC_CHECK_LIB([tirpc], [libtirpc_set_debug],
+                         [AC_DEFINE([HAVE_LIBTIRPC_SET_DEBUG], [1],
+                                    [Define to 1 if your tirpc library provides libtirpc_set_debug])],,
+                         [${LIBS}])])
+
+  AC_SUBST([AM_CPPFLAGS])
+  AC_SUBST(LIBTIRPC)
+
+])dnl
+
+dnl Old way of checking libtirpc without pkg-config
+dnl This can go away when virtually all libtirpc provide a .pc file
+dnl
+AC_DEFUN([AC_LIBTIRPC_OLD], [
+
+  AC_ARG_WITH([tirpcinclude],
+              [AS_HELP_STRING([--with-tirpcinclude=DIR],[use TI-RPC headers in DIR])],
+              [tirpc_header_dir=$withval],
+              [tirpc_header_dir=/usr/include/tirpc])
+
+  dnl Look for the library
+  AC_CHECK_LIB([tirpc], [clnt_tli_create],
+               [has_libtirpc="yes"],
+               [has_libtirpc="no"])
+
+  dnl Also must have the headers installed where we expect
+  dnl to look for headers; add -I compiler option if found
+  AS_IF([test "$has_libtirpc" = "yes"],
+        [AC_CHECK_FILE([${tirpc_header_dir}/netconfig.h],
+                       [AC_SUBST([AM_CPPFLAGS], ["-I${tirpc_header_dir}"])],
+                       [has_libtirpc="no"])])
+
+  dnl Now set $LIBTIRPC accordingly
+  AS_IF([test "$has_libtirpc" = "yes"],
+        [AC_DEFINE([HAVE_LIBTIRPC], [1],
+                   [Define to 1 if you have and wish to use libtirpc.])
+         LIBTIRPC="-ltirpc"])
+
+])dnl
diff --git a/aclocal/libtool.m4 b/aclocal/libtool.m4
new file mode 100644
index 0000000..e3adeda
--- /dev/null
+++ b/aclocal/libtool.m4
@@ -0,0 +1,8403 @@
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+#
+#   Copyright (C) 1996-2001, 2003-2019, 2021-2022 Free Software
+#   Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+m4_define([_LT_COPYING], [dnl
+# Copyright (C) 2014 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program or library that is built
+# using GNU Libtool, you may include this file under the  same
+# distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+])
+
+# serial 59 LT_INIT
+
+
+# LT_PREREQ(VERSION)
+# ------------------
+# Complain and exit if this libtool version is less that VERSION.
+m4_defun([LT_PREREQ],
+[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,
+       [m4_default([$3],
+		   [m4_fatal([Libtool version $1 or higher is required],
+		             63)])],
+       [$2])])
+
+
+# _LT_CHECK_BUILDDIR
+# ------------------
+# Complain if the absolute build directory name contains unusual characters
+m4_defun([_LT_CHECK_BUILDDIR],
+[case `pwd` in
+  *\ * | *\	*)
+    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
+esac
+])
+
+
+# LT_INIT([OPTIONS])
+# ------------------
+AC_DEFUN([LT_INIT],
+[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
+AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+AC_BEFORE([$0], [LT_LANG])dnl
+AC_BEFORE([$0], [LT_OUTPUT])dnl
+AC_BEFORE([$0], [LTDL_INIT])dnl
+m4_require([_LT_CHECK_BUILDDIR])dnl
+
+dnl Autoconf doesn't catch unexpanded LT_ macros by default:
+m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
+m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
+dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
+dnl unless we require an AC_DEFUNed macro:
+AC_REQUIRE([LTOPTIONS_VERSION])dnl
+AC_REQUIRE([LTSUGAR_VERSION])dnl
+AC_REQUIRE([LTVERSION_VERSION])dnl
+AC_REQUIRE([LTOBSOLETE_VERSION])dnl
+m4_require([_LT_PROG_LTMAIN])dnl
+
+_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])
+
+dnl Parse OPTIONS
+_LT_SET_OPTIONS([$0], [$1])
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS=$ltmain
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
+
+_LT_SETUP
+
+# Only expand once:
+m4_define([LT_INIT])
+])# LT_INIT
+
+# Old names:
+AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
+AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
+dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
+
+
+# _LT_PREPARE_CC_BASENAME
+# -----------------------
+m4_defun([_LT_PREPARE_CC_BASENAME], [
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in @S|@*""; do
+      case $cc_temp in
+        compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
+        distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+])# _LT_PREPARE_CC_BASENAME
+
+
+# _LT_CC_BASENAME(CC)
+# -------------------
+# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME,
+# but that macro is also expanded into generated libtool script, which
+# arranges for $SED and $ECHO to be set by different means.
+m4_defun([_LT_CC_BASENAME],
+[m4_require([_LT_PREPARE_CC_BASENAME])dnl
+AC_REQUIRE([_LT_DECL_SED])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+func_cc_basename $1
+cc_basename=$func_cc_basename_result
+])
+
+
+# _LT_FILEUTILS_DEFAULTS
+# ----------------------
+# It is okay to use these file commands and assume they have been set
+# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'.
+m4_defun([_LT_FILEUTILS_DEFAULTS],
+[: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+])# _LT_FILEUTILS_DEFAULTS
+
+
+# _LT_SETUP
+# ---------
+m4_defun([_LT_SETUP],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+
+_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
+dnl
+_LT_DECL([], [host_alias], [0], [The host system])dnl
+_LT_DECL([], [host], [0])dnl
+_LT_DECL([], [host_os], [0])dnl
+dnl
+_LT_DECL([], [build_alias], [0], [The build system])dnl
+_LT_DECL([], [build], [0])dnl
+_LT_DECL([], [build_os], [0])dnl
+dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+dnl
+AC_REQUIRE([AC_PROG_LN_S])dnl
+test -z "$LN_S" && LN_S="ln -s"
+_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
+dnl
+AC_REQUIRE([LT_CMD_MAX_LEN])dnl
+_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
+_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
+dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl
+m4_require([_LT_CMD_RELOAD])dnl
+m4_require([_LT_DECL_FILECMD])dnl
+m4_require([_LT_CHECK_MAGIC_METHOD])dnl
+m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl
+m4_require([_LT_CMD_OLD_ARCHIVE])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_WITH_SYSROOT])dnl
+m4_require([_LT_CMD_TRUNCATE])dnl
+
+_LT_CONFIG_LIBTOOL_INIT([
+# See if we are running on zsh, and set the options that allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+])
+if test -n "${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+
+_LT_CHECK_OBJDIR
+
+m4_require([_LT_TAG_COMPILER])dnl
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test set != "${COLLECT_NAMES+set}"; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a '.a' archive for static linking (except MSVC and
+# ICC, which need '.lib').
+libext=a
+
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+old_CC=$CC
+old_CFLAGS=$CFLAGS
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+_LT_CC_BASENAME([$compiler])
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    _LT_PATH_MAGIC
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+LT_SUPPORTED_TAG([CC])
+_LT_LANG_C_CONFIG
+_LT_LANG_DEFAULT_CONFIG
+_LT_CONFIG_COMMANDS
+])# _LT_SETUP
+
+
+# _LT_PREPARE_SED_QUOTE_VARS
+# --------------------------
+# Define a few sed substitution that help us do robust quoting.
+m4_defun([_LT_PREPARE_SED_QUOTE_VARS],
+[# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([["`\\]]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+])
+
+# _LT_PROG_LTMAIN
+# ---------------
+# Note that this code is called both from 'configure', and 'config.status'
+# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
+# 'config.status' has no value for ac_aux_dir unless we are using Automake,
+# so we pass a copy along to make sure it has a sensible value anyway.
+m4_defun([_LT_PROG_LTMAIN],
+[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
+_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
+ltmain=$ac_aux_dir/ltmain.sh
+])# _LT_PROG_LTMAIN
+
+
+## ------------------------------------- ##
+## Accumulate code for creating libtool. ##
+## ------------------------------------- ##
+
+# So that we can recreate a full libtool script including additional
+# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
+# in macros and then make a single call at the end using the 'libtool'
+# label.
+
+
+# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
+# ----------------------------------------
+# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL_INIT],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_INIT])
+
+
+# _LT_CONFIG_LIBTOOL([COMMANDS])
+# ------------------------------
+# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
+
+
+# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
+# -----------------------------------------------------
+m4_defun([_LT_CONFIG_SAVE_COMMANDS],
+[_LT_CONFIG_LIBTOOL([$1])
+_LT_CONFIG_LIBTOOL_INIT([$2])
+])
+
+
+# _LT_FORMAT_COMMENT([COMMENT])
+# -----------------------------
+# Add leading comment marks to the start of each line, and a trailing
+# full-stop to the whole comment if one is not present already.
+m4_define([_LT_FORMAT_COMMENT],
+[m4_ifval([$1], [
+m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
+              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
+)])
+
+
+
+## ------------------------ ##
+## FIXME: Eliminate VARNAME ##
+## ------------------------ ##
+
+
+# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
+# -------------------------------------------------------------------
+# CONFIGNAME is the name given to the value in the libtool script.
+# VARNAME is the (base) name used in the configure script.
+# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
+# VARNAME.  Any other value will be used directly.
+m4_define([_LT_DECL],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
+    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
+	[m4_ifval([$1], [$1], [$2])])
+    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
+    m4_ifval([$4],
+	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
+    lt_dict_add_subkey([lt_decl_dict], [$2],
+	[tagged?], [m4_ifval([$5], [yes], [no])])])
+])
+
+
+# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
+# --------------------------------------------------------
+m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
+
+
+# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_tag_varnames],
+[_lt_decl_filter([tagged?], [yes], $@)])
+
+
+# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
+# ---------------------------------------------------------
+m4_define([_lt_decl_filter],
+[m4_case([$#],
+  [0], [m4_fatal([$0: too few arguments: $#])],
+  [1], [m4_fatal([$0: too few arguments: $#: $1])],
+  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
+  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
+  [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+])
+
+
+# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
+# --------------------------------------------------
+m4_define([lt_decl_quote_varnames],
+[_lt_decl_filter([value], [1], $@)])
+
+
+# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_dquote_varnames],
+[_lt_decl_filter([value], [2], $@)])
+
+
+# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_varnames_tagged],
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
+
+
+# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_all_varnames],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+     m4_if([$2], [],
+	   m4_quote(lt_decl_varnames),
+	m4_quote(m4_shift($@))))[]dnl
+])
+m4_define([_lt_decl_all_varnames],
+[lt_join($@, lt_decl_varnames_tagged([$1],
+			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
+])
+
+
+# _LT_CONFIG_STATUS_DECLARE([VARNAME])
+# ------------------------------------
+# Quote a variable value, and forward it to 'config.status' so that its
+# declaration there will have the same value as in 'configure'.  VARNAME
+# must have a single quote delimited value for this to work.
+m4_define([_LT_CONFIG_STATUS_DECLARE],
+[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
+
+
+# _LT_CONFIG_STATUS_DECLARATIONS
+# ------------------------------
+# We delimit libtool config variables with single quotes, so when
+# we write them to config.status, we have to be sure to quote all
+# embedded single quotes properly.  In configure, this macro expands
+# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+#
+#    <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
+m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
+    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAGS
+# ----------------
+# Output comment and list of tags supported by the script
+m4_defun([_LT_LIBTOOL_TAGS],
+[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
+available_tags='_LT_TAGS'dnl
+])
+
+
+# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
+# -----------------------------------
+# Extract the dictionary values for VARNAME (optionally with TAG) and
+# expand to a commented shell variable setting:
+#
+#    # Some comment about what VAR is for.
+#    visible_name=$lt_internal_name
+m4_define([_LT_LIBTOOL_DECLARE],
+[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
+					   [description])))[]dnl
+m4_pushdef([_libtool_name],
+    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
+m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
+    [0], [_libtool_name=[$]$1],
+    [1], [_libtool_name=$lt_[]$1],
+    [2], [_libtool_name=$lt_[]$1],
+    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
+m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
+])
+
+
+# _LT_LIBTOOL_CONFIG_VARS
+# -----------------------
+# Produce commented declarations of non-tagged libtool config variables
+# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool'
+# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
+# section) are produced by _LT_LIBTOOL_TAG_VARS.
+m4_defun([_LT_LIBTOOL_CONFIG_VARS],
+[m4_foreach([_lt_var],
+    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAG_VARS(TAG)
+# -------------------------
+m4_define([_LT_LIBTOOL_TAG_VARS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
+
+
+# _LT_TAGVAR(VARNAME, [TAGNAME])
+# ------------------------------
+m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
+
+
+# _LT_CONFIG_COMMANDS
+# -------------------
+# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
+# variables for single and double quote escaping we saved from calls
+# to _LT_DECL, we can put quote escaped variables declarations
+# into 'config.status', and then the shell code to quote escape them in
+# for loops in 'config.status'.  Finally, any additional code accumulated
+# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
+m4_defun([_LT_CONFIG_COMMANDS],
+[AC_PROVIDE_IFELSE([LT_OUTPUT],
+	dnl If the libtool generation code has been placed in $CONFIG_LT,
+	dnl instead of duplicating it all over again into config.status,
+	dnl then we will have config.status run $CONFIG_LT later, so it
+	dnl needs to know what name is stored there:
+        [AC_CONFIG_COMMANDS([libtool],
+            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
+    dnl If the libtool generation code is destined for config.status,
+    dnl expand the accumulated commands and init code now:
+    [AC_CONFIG_COMMANDS([libtool],
+        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
+])#_LT_CONFIG_COMMANDS
+
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
+[
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+_LT_CONFIG_STATUS_DECLARATIONS
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$[]1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_quote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_dquote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+_LT_OUTPUT_LIBTOOL_INIT
+])
+
+# _LT_GENERATED_FILE_INIT(FILE, [COMMENT])
+# ------------------------------------
+# Generate a child script FILE with all initialization necessary to
+# reuse the environment learned by the parent script, and make the
+# file executable.  If COMMENT is supplied, it is inserted after the
+# '#!' sequence but before initialization text begins.  After this
+# macro, additional text can be appended to FILE to form the body of
+# the child script.  The macro ends with non-zero status if the
+# file could not be fully written (such as if the disk is full).
+m4_ifdef([AS_INIT_GENERATED],
+[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])],
+[m4_defun([_LT_GENERATED_FILE_INIT],
+[m4_require([AS_PREPARE])]dnl
+[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl
+[lt_write_fail=0
+cat >$1 <<_ASEOF || lt_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+$2
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$1 <<\_ASEOF || lt_write_fail=1
+AS_SHELL_SANITIZE
+_AS_PREPARE
+exec AS_MESSAGE_FD>&1
+_ASEOF
+test 0 = "$lt_write_fail" && chmod +x $1[]dnl
+m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT
+
+# LT_OUTPUT
+# ---------
+# This macro allows early generation of the libtool script (before
+# AC_OUTPUT is called), incase it is used in configure for compilation
+# tests.
+AC_DEFUN([LT_OUTPUT],
+[: ${CONFIG_LT=./config.lt}
+AC_MSG_NOTICE([creating $CONFIG_LT])
+_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
+[# Run this file to recreate a libtool stub with the current configuration.])
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+lt_cl_silent=false
+exec AS_MESSAGE_LOG_FD>>config.log
+{
+  echo
+  AS_BOX([Running $as_me.])
+} >&AS_MESSAGE_LOG_FD
+
+lt_cl_help="\
+'$as_me' creates a local libtool stub from the current configuration,
+for use in further configure time tests before the real libtool is
+generated.
+
+Usage: $[0] [[OPTIONS]]
+
+  -h, --help      print this help, then exit
+  -V, --version   print version number, then exit
+  -q, --quiet     do not print progress messages
+  -d, --debug     don't remove temporary files
+
+Report bugs to <bug-libtool@gnu.org>."
+
+lt_cl_version="\
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+configured by $[0], generated by m4_PACKAGE_STRING.
+
+Copyright (C) 2011 Free Software Foundation, Inc.
+This config.lt script is free software; the Free Software Foundation
+gives unlimited permision to copy, distribute and modify it."
+
+while test 0 != $[#]
+do
+  case $[1] in
+    --version | --v* | -V )
+      echo "$lt_cl_version"; exit 0 ;;
+    --help | --h* | -h )
+      echo "$lt_cl_help"; exit 0 ;;
+    --debug | --d* | -d )
+      debug=: ;;
+    --quiet | --q* | --silent | --s* | -q )
+      lt_cl_silent=: ;;
+
+    -*) AC_MSG_ERROR([unrecognized option: $[1]
+Try '$[0] --help' for more information.]) ;;
+
+    *) AC_MSG_ERROR([unrecognized argument: $[1]
+Try '$[0] --help' for more information.]) ;;
+  esac
+  shift
+done
+
+if $lt_cl_silent; then
+  exec AS_MESSAGE_FD>/dev/null
+fi
+_LTEOF
+
+cat >>"$CONFIG_LT" <<_LTEOF
+_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
+_LTEOF
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+AC_MSG_NOTICE([creating $ofile])
+_LT_OUTPUT_LIBTOOL_COMMANDS
+AS_EXIT(0)
+_LTEOF
+chmod +x "$CONFIG_LT"
+
+# configure is writing to config.log, but config.lt does its own redirection,
+# appending to config.log, which fails on DOS, as config.log is still kept
+# open by configure.  Here we exec the FD to /dev/null, effectively closing
+# config.log, so it can be properly (re)opened and appended to by config.lt.
+lt_cl_success=:
+test yes = "$silent" &&
+  lt_config_lt_args="$lt_config_lt_args --quiet"
+exec AS_MESSAGE_LOG_FD>/dev/null
+$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
+exec AS_MESSAGE_LOG_FD>>config.log
+$lt_cl_success || AS_EXIT(1)
+])# LT_OUTPUT
+
+
+# _LT_CONFIG(TAG)
+# ---------------
+# If TAG is the built-in tag, create an initial libtool script with a
+# default configuration from the untagged config vars.  Otherwise add code
+# to config.status for appending the configuration named by TAG from the
+# matching tagged config vars.
+m4_defun([_LT_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_CONFIG_SAVE_COMMANDS([
+  m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
+  m4_if(_LT_TAG, [C], [
+    # See if we are running on zsh, and set the options that allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}"; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile=${ofile}T
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+# Generated automatically by $as_me ($PACKAGE) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit, 1996
+
+_LT_COPYING
+_LT_LIBTOOL_TAGS
+
+# Configured defaults for sys_lib_dlsearch_path munging.
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
+
+# ### BEGIN LIBTOOL CONFIG
+_LT_LIBTOOL_CONFIG_VARS
+_LT_LIBTOOL_TAG_VARS
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+    cat <<'_LT_EOF' >> "$cfgfile"
+
+# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_PREPARE_MUNGE_PATH_LIST
+_LT_PREPARE_CC_BASENAME
+
+# ### END FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test set != "${COLLECT_NAMES+set}"; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+  _LT_PROG_LTMAIN
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  $SED '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
+
+   mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+],
+[cat <<_LT_EOF >> "$ofile"
+
+dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
+dnl in a comment (ie after a #).
+# ### BEGIN LIBTOOL TAG CONFIG: $1
+_LT_LIBTOOL_TAG_VARS(_LT_TAG)
+# ### END LIBTOOL TAG CONFIG: $1
+_LT_EOF
+])dnl /m4_if
+],
+[m4_if([$1], [], [
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    RM='$RM'
+    ofile='$ofile'], [])
+])dnl /_LT_CONFIG_SAVE_COMMANDS
+])# _LT_CONFIG
+
+
+# LT_SUPPORTED_TAG(TAG)
+# ---------------------
+# Trace this macro to discover what tags are supported by the libtool
+# --tag option, using:
+#    autoconf --trace 'LT_SUPPORTED_TAG:$1'
+AC_DEFUN([LT_SUPPORTED_TAG], [])
+
+
+# C support is built-in for now
+m4_define([_LT_LANG_C_enabled], [])
+m4_define([_LT_TAGS], [])
+
+
+# LT_LANG(LANG)
+# -------------
+# Enable libtool support for the given language if not already enabled.
+AC_DEFUN([LT_LANG],
+[AC_BEFORE([$0], [LT_OUTPUT])dnl
+m4_case([$1],
+  [C],			[_LT_LANG(C)],
+  [C++],		[_LT_LANG(CXX)],
+  [Go],			[_LT_LANG(GO)],
+  [Java],		[_LT_LANG(GCJ)],
+  [Fortran 77],		[_LT_LANG(F77)],
+  [Fortran],		[_LT_LANG(FC)],
+  [Windows Resource],	[_LT_LANG(RC)],
+  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
+    [_LT_LANG($1)],
+    [m4_fatal([$0: unsupported language: "$1"])])])dnl
+])# LT_LANG
+
+
+# _LT_LANG(LANGNAME)
+# ------------------
+m4_defun([_LT_LANG],
+[m4_ifdef([_LT_LANG_]$1[_enabled], [],
+  [LT_SUPPORTED_TAG([$1])dnl
+  m4_append([_LT_TAGS], [$1 ])dnl
+  m4_define([_LT_LANG_]$1[_enabled], [])dnl
+  _LT_LANG_$1_CONFIG($1)])dnl
+])# _LT_LANG
+
+
+m4_ifndef([AC_PROG_GO], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+m4_defun([AC_PROG_GO],
+[AC_LANG_PUSH(Go)dnl
+AC_ARG_VAR([GOC],     [Go compiler command])dnl
+AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
+_AC_ARG_VAR_LDFLAGS()dnl
+AC_CHECK_TOOL(GOC, gccgo)
+if test -z "$GOC"; then
+  if test -n "$ac_tool_prefix"; then
+    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
+  fi
+fi
+if test -z "$GOC"; then
+  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
+fi
+])#m4_defun
+])#m4_ifndef
+
+
+# _LT_LANG_DEFAULT_CONFIG
+# -----------------------
+m4_defun([_LT_LANG_DEFAULT_CONFIG],
+[AC_PROVIDE_IFELSE([AC_PROG_CXX],
+  [LT_LANG(CXX)],
+  [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_F77],
+  [LT_LANG(F77)],
+  [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_FC],
+  [LT_LANG(FC)],
+  [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
+
+dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
+dnl pulling things in needlessly.
+AC_PROVIDE_IFELSE([AC_PROG_GCJ],
+  [LT_LANG(GCJ)],
+  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
+    [LT_LANG(GCJ)],
+    [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
+      [LT_LANG(GCJ)],
+      [m4_ifdef([AC_PROG_GCJ],
+	[m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([A][M_PROG_GCJ],
+	[m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([LT_PROG_GCJ],
+	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+
+AC_PROVIDE_IFELSE([AC_PROG_GO],
+  [LT_LANG(GO)],
+  [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
+
+AC_PROVIDE_IFELSE([LT_PROG_RC],
+  [LT_LANG(RC)],
+  [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
+])# _LT_LANG_DEFAULT_CONFIG
+
+# Obsolete macros:
+AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
+AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
+AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
+AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
+AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
+dnl AC_DEFUN([AC_LIBTOOL_F77], [])
+dnl AC_DEFUN([AC_LIBTOOL_FC], [])
+dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
+dnl AC_DEFUN([AC_LIBTOOL_RC], [])
+
+
+# _LT_TAG_COMPILER
+# ----------------
+m4_defun([_LT_TAG_COMPILER],
+[AC_REQUIRE([AC_PROG_CC])dnl
+
+_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
+_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
+_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
+_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+])# _LT_TAG_COMPILER
+
+
+# _LT_COMPILER_BOILERPLATE
+# ------------------------
+# Check for compiler boilerplate output or warnings with
+# the simple compiler test code.
+m4_defun([_LT_COMPILER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
+# the simple link test code.
+m4_defun([_LT_LINKER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+])# _LT_LINKER_BOILERPLATE
+
+# _LT_REQUIRED_DARWIN_CHECKS
+# -------------------------
+m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
+  case $host_os in
+    rhapsody* | darwin*)
+    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+    AC_CHECK_TOOL([LIPO], [lipo], [:])
+    AC_CHECK_TOOL([OTOOL], [otool], [:])
+    AC_CHECK_TOOL([OTOOL64], [otool64], [:])
+    _LT_DECL([], [DSYMUTIL], [1],
+      [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
+    _LT_DECL([], [NMEDIT], [1],
+      [Tool to change global to local symbols on Mac OS X])
+    _LT_DECL([], [LIPO], [1],
+      [Tool to manipulate fat objects and archives on Mac OS X])
+    _LT_DECL([], [OTOOL], [1],
+      [ldd/readelf like tool for Mach-O binaries on Mac OS X])
+    _LT_DECL([], [OTOOL64], [1],
+      [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
+
+    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
+      [lt_cv_apple_cc_single_mod=no
+      if test -z "$LT_MULTI_MODULE"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi])
+
+    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+      [lt_cv_ld_exported_symbols_list],
+      [lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+	[lt_cv_ld_exported_symbols_list=yes],
+	[lt_cv_ld_exported_symbols_list=no])
+	LDFLAGS=$save_LDFLAGS
+    ])
+
+    AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
+      [lt_cv_ld_force_load=no
+      cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
+      echo "$AR $AR_FLAGS libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
+      $AR $AR_FLAGS libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
+      echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
+      $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
+      cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+      _lt_result=$?
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
+	lt_cv_ld_force_load=yes
+      else
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      fi
+        rm -f conftest.err libconftest.a conftest conftest.c
+        rm -rf conftest.dSYM
+    ])
+    case $host_os in
+    rhapsody* | darwin1.[[012]])
+      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+    darwin*)
+      case $MACOSX_DEPLOYMENT_TARGET,$host in
+        10.[[012]],*|,*powerpc*-darwin[[5-8]]*)
+          _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+        *)
+          _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test yes = "$lt_cv_apple_cc_single_mod"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test yes = "$lt_cv_ld_exported_symbols_list"; then
+      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
+    fi
+    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+])
+
+
+# _LT_DARWIN_LINKER_FEATURES([TAG])
+# ---------------------------------
+# Checks for linker and compiler features on darwin
+m4_defun([_LT_DARWIN_LINKER_FEATURES],
+[
+  m4_require([_LT_REQUIRED_DARWIN_CHECKS])
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_automatic, $1)=yes
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  if test yes = "$lt_cv_ld_force_load"; then
+    _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+    m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
+                  [FC],  [_LT_TAGVAR(compiler_needs_object, $1)=yes])
+  else
+    _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+  fi
+  _LT_TAGVAR(link_all_deplibs, $1)=yes
+  _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined
+  case $cc_basename in
+     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test yes = "$_lt_dar_can_shared"; then
+    output_verbose_link_cmd=func_echo_all
+    _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
+    _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
+    _LT_TAGVAR(archive_expsym_cmds, $1)="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
+    _LT_TAGVAR(module_expsym_cmds, $1)="$SED -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
+    m4_if([$1], [CXX],
+[   if test yes != "$lt_cv_apple_cc_single_mod"; then
+      _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil"
+      _LT_TAGVAR(archive_expsym_cmds, $1)="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil"
+    fi
+],[])
+  else
+  _LT_TAGVAR(ld_shlibs, $1)=no
+  fi
+])
+
+# _LT_SYS_MODULE_PATH_AIX([TAGNAME])
+# ----------------------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
+# this is /usr/lib:/lib, but when the MPI compilers are used
+# the location of the communication and MPI libs are included too.
+# If we don't find anything, use the default library path according
+# to the aix ld manual.
+# Store the results from the different compilers for each TAGNAME.
+# Allow to override them for all tags through lt_cv_aix_libpath.
+m4_defun([_LT_SYS_MODULE_PATH_AIX],
+[m4_require([_LT_DECL_SED])dnl
+if test set = "${lt_cv_aix_libpath+set}"; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])],
+  [AC_LINK_IFELSE([AC_LANG_PROGRAM],[
+  lt_aix_libpath_sed='[
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }]'
+  _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi],[])
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=/usr/lib:/lib
+  fi
+  ])
+  aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])
+fi
+])# _LT_SYS_MODULE_PATH_AIX
+
+
+# _LT_SHELL_INIT(ARG)
+# -------------------
+m4_define([_LT_SHELL_INIT],
+[m4_divert_text([M4SH-INIT], [$1
+])])# _LT_SHELL_INIT
+
+
+
+# _LT_PROG_ECHO_BACKSLASH
+# -----------------------
+# Find how we can fake an echo command that does not interpret backslash.
+# In particular, with Autoconf 2.60 or later we add some code to the start
+# of the generated configure script that will find a shell with a builtin
+# printf (that we can use as an echo command).
+m4_defun([_LT_PROG_ECHO_BACKSLASH],
+[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+AC_MSG_CHECKING([how to print strings])
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$[]1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*"
+}
+
+case $ECHO in
+  printf*) AC_MSG_RESULT([printf]) ;;
+  print*) AC_MSG_RESULT([print -r]) ;;
+  *) AC_MSG_RESULT([cat]) ;;
+esac
+
+m4_ifdef([_AS_DETECT_SUGGESTED],
+[_AS_DETECT_SUGGESTED([
+  test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || (
+    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+    PATH=/empty FPATH=/empty; export PATH FPATH
+    test "X`printf %s $ECHO`" = "X$ECHO" \
+      || test "X`print -r -- $ECHO`" = "X$ECHO" )])])
+
+_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
+_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes])
+])# _LT_PROG_ECHO_BACKSLASH
+
+
+# _LT_WITH_SYSROOT
+# ----------------
+AC_DEFUN([_LT_WITH_SYSROOT],
+[m4_require([_LT_DECL_SED])dnl
+AC_MSG_CHECKING([for sysroot])
+AC_ARG_WITH([sysroot],
+[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
+  [Search for dependent libraries within DIR (or the compiler's sysroot
+   if not specified).])],
+[], [with_sysroot=no])
+
+dnl lt_sysroot will always be passed unquoted.  We quote it here
+dnl in case the user passed a directory name.
+lt_sysroot=
+case $with_sysroot in #(
+ yes)
+   if test yes = "$GCC"; then
+     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+   fi
+   ;; #(
+ /*)
+   lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"`
+   ;; #(
+ no|'')
+   ;; #(
+ *)
+   AC_MSG_RESULT([$with_sysroot])
+   AC_MSG_ERROR([The sysroot must be an absolute path.])
+   ;;
+esac
+
+ AC_MSG_RESULT([${lt_sysroot:-no}])
+_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
+[dependent libraries, and where our libraries should be installed.])])
+
+# _LT_ENABLE_LOCK
+# ---------------
+m4_defun([_LT_ENABLE_LOCK],
+[AC_ARG_ENABLE([libtool-lock],
+  [AS_HELP_STRING([--disable-libtool-lock],
+    [avoid locking (might break parallel builds)])])
+test no = "$enable_libtool_lock" || enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out what ABI is being produced by ac_compile, and set mode
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `$FILECMD conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE=32
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE=64
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    if test yes = "$lt_cv_prog_gnu_ld"; then
+      case `$FILECMD conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `$FILECMD conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+mips64*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    emul=elf
+    case `$FILECMD conftest.$ac_objext` in
+      *32-bit*)
+	emul="${emul}32"
+	;;
+      *64-bit*)
+	emul="${emul}64"
+	;;
+    esac
+    case `$FILECMD conftest.$ac_objext` in
+      *MSB*)
+	emul="${emul}btsmip"
+	;;
+      *LSB*)
+	emul="${emul}ltsmip"
+	;;
+    esac
+    case `$FILECMD conftest.$ac_objext` in
+      *N32*)
+	emul="${emul}n32"
+	;;
+    esac
+    LD="${LD-ld} -m $emul"
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.  Note that the listed cases only cover the
+  # situations where additional linker options are needed (such as when
+  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
+  # vice versa); the common cases where no linker options are needed do
+  # not appear in the list.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `$FILECMD conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    case `$FILECMD conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
+	    ;;
+	  powerpc64le-*linux*)
+	    LD="${LD-ld} -m elf32lppclinux"
+	    ;;
+	  powerpc64-*linux*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  powerpcle-*linux*)
+	    LD="${LD-ld} -m elf64lppc"
+	    ;;
+	  powerpc-*linux*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS=$CFLAGS
+  CFLAGS="$CFLAGS -belf"
+  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+    [AC_LANG_PUSH(C)
+     AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+     AC_LANG_POP])
+  if test yes != "$lt_cv_cc_needs_belf"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS=$SAVE_CFLAGS
+  fi
+  ;;
+*-*solaris*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `$FILECMD conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*)
+        case $host in
+        i?86-*-solaris*|x86_64-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD=${LD-ld}_sol2
+        fi
+        ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks=$enable_libtool_lock
+])# _LT_ENABLE_LOCK
+
+
+# _LT_PROG_AR
+# -----------
+m4_defun([_LT_PROG_AR],
+[AC_CHECK_TOOLS(AR, [ar], false)
+: ${AR=ar}
+_LT_DECL([], [AR], [1], [The archiver])
+
+# Use ARFLAGS variable as AR's operation code to sync the variable naming with
+# Automake.  If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have
+# higher priority because thats what people were doing historically (setting
+# ARFLAGS for automake and AR_FLAGS for libtool).  FIXME: Make the AR_FLAGS
+# variable obsoleted/removed.
+
+test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr}
+lt_ar_flags=$AR_FLAGS
+_LT_DECL([], [lt_ar_flags], [0], [Flags to create an archive (by configure)])
+
+# Make AR_FLAGS overridable by 'make ARFLAGS='.  Don't try to run-time override
+# by AR_FLAGS because that was never working and AR_FLAGS is about to die.
+_LT_DECL([], [AR_FLAGS], [\@S|@{ARFLAGS-"\@S|@lt_ar_flags"}],
+         [Flags to create an archive])
+
+AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file],
+  [lt_cv_ar_at_file=no
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+     [echo conftest.$ac_objext > conftest.lst
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD'
+      AC_TRY_EVAL([lt_ar_try])
+      if test 0 -eq "$ac_status"; then
+	# Ensure the archiver fails upon bogus file names.
+	rm -f conftest.$ac_objext libconftest.a
+	AC_TRY_EVAL([lt_ar_try])
+	if test 0 -ne "$ac_status"; then
+          lt_cv_ar_at_file=@
+        fi
+      fi
+      rm -f conftest.* libconftest.a
+     ])
+  ])
+
+if test no = "$lt_cv_ar_at_file"; then
+  archiver_list_spec=
+else
+  archiver_list_spec=$lt_cv_ar_at_file
+fi
+_LT_DECL([], [archiver_list_spec], [1],
+  [How to feed a file listing to the archiver])
+])# _LT_PROG_AR
+
+
+# _LT_CMD_OLD_ARCHIVE
+# -------------------
+m4_defun([_LT_CMD_OLD_ARCHIVE],
+[_LT_PROG_AR
+
+AC_CHECK_TOOL(STRIP, strip, :)
+test -z "$STRIP" && STRIP=:
+_LT_DECL([], [STRIP], [1], [A symbol stripping program])
+
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+test -z "$RANLIB" && RANLIB=:
+_LT_DECL([], [RANLIB], [1],
+    [Commands used to install an old-style archive])
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  bitrig* | openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+  darwin*)
+    lock_old_archive_extraction=yes ;;
+  *)
+    lock_old_archive_extraction=no ;;
+esac
+_LT_DECL([], [old_postinstall_cmds], [2])
+_LT_DECL([], [old_postuninstall_cmds], [2])
+_LT_TAGDECL([], [old_archive_cmds], [2],
+    [Commands used to build an old-style archive])
+_LT_DECL([], [lock_old_archive_extraction], [0],
+    [Whether to use a lock for old archive extraction])
+])# _LT_CMD_OLD_ARCHIVE
+
+
+# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([_LT_COMPILER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$3"  ## exclude from sc_useless_quotes_in_assignment
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       $2=yes
+     fi
+   fi
+   $RM conftest*
+])
+
+if test yes = "[$]$2"; then
+    m4_if([$5], , :, [$5])
+else
+    m4_if([$6], , :, [$6])
+fi
+])# _LT_COMPILER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
+
+
+# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#                  [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------
+# Check whether the given linker option works
+AC_DEFUN([_LT_LINKER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   save_LDFLAGS=$LDFLAGS
+   LDFLAGS="$LDFLAGS $3"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&AS_MESSAGE_LOG_FD
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         $2=yes
+       fi
+     else
+       $2=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS=$save_LDFLAGS
+])
+
+if test yes = "[$]$2"; then
+    m4_if([$4], , :, [$4])
+else
+    m4_if([$5], , :, [$5])
+fi
+])# _LT_LINKER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
+
+
+# LT_CMD_MAX_LEN
+#---------------
+AC_DEFUN([LT_CMD_MAX_LEN],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+  i=0
+  teststring=ABCD
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw* | cegcc*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  mint*)
+    # On MiNT this can take a long time and run out of memory.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[	 ]]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+       test undefined != "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
+	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test 17 != "$i" # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+])
+if test -n "$lt_cv_sys_max_cmd_len"; then
+  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+  AC_MSG_RESULT(none)
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+_LT_DECL([], [max_cmd_len], [0],
+    [What is the maximum length of a command?])
+])# LT_CMD_MAX_LEN
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
+
+
+# _LT_HEADER_DLFCN
+# ----------------
+m4_defun([_LT_HEADER_DLFCN],
+[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
+])# _LT_HEADER_DLFCN
+
+
+# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+#                      ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ----------------------------------------------------------------
+m4_defun([_LT_TRY_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test yes = "$cross_compiling"; then :
+  [$4]
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+[#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisibility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}]
+_LT_EOF
+  if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then
+    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) $1 ;;
+      x$lt_dlneed_uscore) $2 ;;
+      x$lt_dlunknown|x*) $3 ;;
+    esac
+  else :
+    # compilation failed
+    $3
+  fi
+fi
+rm -fr conftest*
+])# _LT_TRY_DLOPEN_SELF
+
+
+# LT_SYS_DLOPEN_SELF
+# ------------------
+AC_DEFUN([LT_SYS_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test yes != "$enable_dlopen"; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen=load_add_on
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32* | cegcc*)
+    lt_cv_dlopen=LoadLibrary
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+    # if libdl is installed we need to link against it
+    AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[
+    lt_cv_dlopen=dyld
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ])
+    ;;
+
+  tpf*)
+    # Don't try to run any link tests for TPF.  We know it's impossible
+    # because TPF is a cross-compiler, and we know how we open DSOs.
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=no
+    ;;
+
+  *)
+    AC_CHECK_FUNC([shl_load],
+	  [lt_cv_dlopen=shl_load],
+      [AC_CHECK_LIB([dld], [shl_load],
+	    [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld],
+	[AC_CHECK_FUNC([dlopen],
+	      [lt_cv_dlopen=dlopen],
+	  [AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],
+	    [AC_CHECK_LIB([svld], [dlopen],
+		  [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld],
+	      [AC_CHECK_LIB([dld], [dld_link],
+		    [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld])
+	      ])
+	    ])
+	  ])
+	])
+      ])
+    ;;
+  esac
+
+  if test no = "$lt_cv_dlopen"; then
+    enable_dlopen=no
+  else
+    enable_dlopen=yes
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS=$CPPFLAGS
+    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS=$LDFLAGS
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS=$LIBS
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    AC_CACHE_CHECK([whether a program can dlopen itself],
+	  lt_cv_dlopen_self, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+    ])
+
+    if test yes = "$lt_cv_dlopen_self"; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+	  lt_cv_dlopen_self_static, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
+      ])
+    fi
+
+    CPPFLAGS=$save_CPPFLAGS
+    LDFLAGS=$save_LDFLAGS
+    LIBS=$save_LIBS
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+_LT_DECL([dlopen_support], [enable_dlopen], [0],
+	 [Whether dlopen is supported])
+_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
+	 [Whether dlopen of programs is supported])
+_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
+	 [Whether dlopen of statically linked programs is supported])
+])# LT_SYS_DLOPEN_SELF
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
+
+
+# _LT_COMPILER_C_O([TAGNAME])
+# ---------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler.
+# This macro does not hard code the compiler like AC_PROG_CC_C_O.
+m4_defun([_LT_COMPILER_C_O],
+[m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+     fi
+   fi
+   chmod u+w . 2>&AS_MESSAGE_LOG_FD
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+])
+_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
+	[Does compiler simultaneously support -c and -o options?])
+])# _LT_COMPILER_C_O
+
+
+# _LT_COMPILER_FILE_LOCKS([TAGNAME])
+# ----------------------------------
+# Check to see if we can do hard links to lock some files if needed
+m4_defun([_LT_COMPILER_FILE_LOCKS],
+[m4_require([_LT_ENABLE_LOCK])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_COMPILER_C_O([$1])
+
+hard_links=nottested
+if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then
+  # do not overwrite the value of need_locks provided by the user
+  AC_MSG_CHECKING([if we can lock with hard links])
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  AC_MSG_RESULT([$hard_links])
+  if test no = "$hard_links"; then
+    AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe])
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
+])# _LT_COMPILER_FILE_LOCKS
+
+
+# _LT_CHECK_OBJDIR
+# ----------------
+m4_defun([_LT_CHECK_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+_LT_DECL([], [objdir], [0],
+         [The name of the directory that contains temporary libtool files])dnl
+m4_pattern_allow([LT_OBJDIR])dnl
+AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/",
+  [Define to the sub-directory where libtool stores uninstalled libraries.])
+])# _LT_CHECK_OBJDIR
+
+
+# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
+# --------------------------------------
+# Check hardcoding attributes.
+m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
+   test -n "$_LT_TAGVAR(runpath_var, $1)" ||
+   test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then
+
+  # We can hardcode non-existent directories.
+  if test no != "$_LT_TAGVAR(hardcode_direct, $1)" &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" &&
+     test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then
+    # Linking always hardcodes the temporary library directory.
+    _LT_TAGVAR(hardcode_action, $1)=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    _LT_TAGVAR(hardcode_action, $1)=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  _LT_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
+
+if test relink = "$_LT_TAGVAR(hardcode_action, $1)" ||
+   test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test yes = "$shlibpath_overrides_runpath" ||
+     test no = "$enable_shared"; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+_LT_TAGDECL([], [hardcode_action], [0],
+    [How to hardcode a shared library path into an executable])
+])# _LT_LINKER_HARDCODE_LIBPATH
+
+
+# _LT_CMD_STRIPLIB
+# ----------------
+m4_defun([_LT_CMD_STRIPLIB],
+[m4_require([_LT_DECL_EGREP])
+striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -z "$STRIP"; then
+  AC_MSG_RESULT([no])
+else
+  if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+    old_striplib="$STRIP --strip-debug"
+    striplib="$STRIP --strip-unneeded"
+    AC_MSG_RESULT([yes])
+  else
+    case $host_os in
+    darwin*)
+      # FIXME - insert some real tests, host_os isn't really good enough
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      AC_MSG_RESULT([yes])
+      ;;
+    freebsd*)
+      if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then
+        old_striplib="$STRIP --strip-debug"
+        striplib="$STRIP --strip-unneeded"
+        AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+      fi
+      ;;
+    *)
+      AC_MSG_RESULT([no])
+      ;;
+    esac
+  fi
+fi
+_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
+_LT_DECL([], [striplib], [1])
+])# _LT_CMD_STRIPLIB
+
+
+# _LT_PREPARE_MUNGE_PATH_LIST
+# ---------------------------
+# Make sure func_munge_path_list() is defined correctly.
+m4_defun([_LT_PREPARE_MUNGE_PATH_LIST],
+[[# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x@S|@2 in
+    x)
+        ;;
+    *:)
+        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\"
+        ;;
+    x:*)
+        eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\"
+        ;;
+    *)
+        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+]])# _LT_PREPARE_PATH_LIST
+
+
+# _LT_SYS_DYNAMIC_LINKER([TAG])
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+m4_defun([_LT_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_OBJDUMP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PREPARE_MUNGE_PATH_LIST])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+m4_if([$1],
+	[], [
+if test yes = "$GCC"; then
+  case $host_os in
+    darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
+    *) lt_awk_arg='/^libraries:/' ;;
+  esac
+  case $host_os in
+    mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;;
+    *) lt_sed_strip_eq='s|=/|/|g' ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+  case $lt_search_path_spec in
+  *\;*)
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+    ;;
+  *)
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+    ;;
+  esac
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary...
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  # ...but if some path component already ends with the multilib dir we assume
+  # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
+  case "$lt_multi_os_dir; $lt_search_path_spec " in
+  "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
+    lt_multi_os_dir=
+    ;;
+  esac
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
+    elif test -n "$lt_multi_os_dir"; then
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS = " "; FS = "/|\n";} {
+  lt_foo = "";
+  lt_count = 0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo = "/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+  if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+  # AWK program above erroneously prepends '/' to C:/dos/paths
+  # for these hosts.
+  case $host_os in
+    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+      $SED 's|/\([[A-Za-z]]:\)|\1|g'` ;;
+  esac
+  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=.so
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+AC_ARG_VAR([LT_SYS_LIBRARY_PATH],
+[User-defined run-time library search path.])
+
+case $host_os in
+aix3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='$libname$release$shared_ext$major'
+  ;;
+
+aix[[4-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test ia64 = "$host_cpu"; then
+    # AIX 5 supports IA64
+    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line '#! .'.  This would cause the generated library to
+    # depend on '.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[[01]] | aix4.[[01]].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
+    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a[(]lib.so.V[)]'
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)]"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)], lib.a[(]lib.so.V[)]"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a[(]lib.so.V[)], lib.so.V[(]$shared_archive_member_spec.o[)]"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='$libname$shared_ext'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[[45]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$cc_basename in
+  yes,*)
+    # gcc
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo $libname | $SED -e 's/^lib/cyg/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+m4_if([$1], [],[
+      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"])
+      ;;
+    mingw* | cegcc*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo $libname | $SED -e 's/^lib/pw/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+      ;;
+    esac
+    dynamic_linker='Win32 ld.exe'
+    ;;
+
+  *,cl* | *,icl*)
+    # Native MSVC or ICC
+    libname_spec='$name'
+    soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+    library_names_spec='$libname.dll.lib'
+
+    case $build_os in
+    mingw*)
+      sys_lib_search_path_spec=
+      lt_save_ifs=$IFS
+      IFS=';'
+      for lt_path in $LIB
+      do
+        IFS=$lt_save_ifs
+        # Let DOS variable expansion print the short 8.3 style file name.
+        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+      done
+      IFS=$lt_save_ifs
+      # Convert to MSYS style.
+      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'`
+      ;;
+    cygwin*)
+      # Convert to unix form, then to dos form, then back to unix form
+      # but this time dos style (no spaces!) so that the unix form looks
+      # like /cygdrive/c/PROGRA~1:/cygdr...
+      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      ;;
+    *)
+      sys_lib_search_path_spec=$LIB
+      if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then
+        # It is most probably a Windows format PATH.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      # FIXME: find the short name or the path components, as spaces are
+      # common. (e.g. "Program Files" -> "PROGRA~1")
+      ;;
+    esac
+
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+    dynamic_linker='Win32 link.exe'
+    ;;
+
+  *)
+    # Assume MSVC and ICC wrapper
+    library_names_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext $libname.lib'
+    dynamic_linker='Win32 ld.exe'
+    ;;
+  esac
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$major$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+m4_if([$1], [],[
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd* | dragonfly* | midnightbsd*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[[23]].*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2.*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+  freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+haiku*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  dynamic_linker="$host_os runtime_loader"
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    if test 32 = "$HPUX_IA64_MODE"; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
+    fi
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+  postinstall_cmds='chmod 555 $lib'
+  # or fails outright, so override atomically:
+  install_override_mode=555
+  ;;
+
+interix[[3-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test yes = "$lt_cv_prog_gnu_ld"; then
+		version_type=linux # correct to gnu/linux during the next big refactor
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
+  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+linux*android*)
+  version_type=none # Android doesn't support versioned libraries.
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext'
+  soname_spec='$libname$release$shared_ext'
+  finish_cmds=
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  dynamic_linker='Android linker'
+  # Don't embed -rpath directories since the linker doesn't support them.
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # Some binutils ld are patched to set DT_RUNPATH
+  AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath],
+    [lt_cv_shlibpath_overrides_runpath=no
+    save_LDFLAGS=$LDFLAGS
+    save_libdir=$libdir
+    eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
+	 LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+      [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null],
+	 [lt_cv_shlibpath_overrides_runpath=yes])])
+    LDFLAGS=$save_LDFLAGS
+    libdir=$save_libdir
+    ])
+  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Add ABI-specific directories to the system library path.
+  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
+
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd* | bitrig*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec=/usr/lib
+  need_lib_prefix=no
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    need_version=no
+  else
+    need_version=yes
+  fi
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+os2*)
+  libname_spec='$name'
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test yes = "$with_gnu_ld"; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec; then
+    version_type=linux # correct to gnu/linux during the next big refactor
+    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
+    soname_spec='$libname$shared_ext.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=sco
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test yes = "$with_gnu_ld"; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test no = "$dynamic_linker" && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test yes = "$GCC"; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
+  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
+fi
+
+if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
+  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
+fi
+
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+_LT_DECL([], [variables_saved_for_relink], [1],
+    [Variables whose values should be saved in libtool wrapper scripts and
+    restored at link time])
+_LT_DECL([], [need_lib_prefix], [0],
+    [Do we need the "lib" prefix for modules?])
+_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
+_LT_DECL([], [version_type], [0], [Library versioning type])
+_LT_DECL([], [runpath_var], [0],  [Shared library runtime path variable])
+_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
+_LT_DECL([], [shlibpath_overrides_runpath], [0],
+    [Is shlibpath searched before the hard-coded library search path?])
+_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
+_LT_DECL([], [library_names_spec], [1],
+    [[List of archive names.  First name is the real one, the rest are links.
+    The last name is the one that the linker finds with -lNAME]])
+_LT_DECL([], [soname_spec], [1],
+    [[The coded name of the library, if different from the real name]])
+_LT_DECL([], [install_override_mode], [1],
+    [Permission mode override for installation of shared libraries])
+_LT_DECL([], [postinstall_cmds], [2],
+    [Command to use after installation of a shared archive])
+_LT_DECL([], [postuninstall_cmds], [2],
+    [Command to use after uninstallation of a shared archive])
+_LT_DECL([], [finish_cmds], [2],
+    [Commands used to finish a libtool library installation in a directory])
+_LT_DECL([], [finish_eval], [1],
+    [[As "finish_cmds", except a single script fragment to be evaled but
+    not shown]])
+_LT_DECL([], [hardcode_into_libs], [0],
+    [Whether we should hardcode library paths into libraries])
+_LT_DECL([], [sys_lib_search_path_spec], [2],
+    [Compile-time system search path for libraries])
+_LT_DECL([sys_lib_dlsearch_path_spec], [configure_time_dlsearch_path], [2],
+    [Detected run-time system search path for libraries])
+_LT_DECL([], [configure_time_lt_sys_library_path], [2],
+    [Explicit LT_SYS_LIBRARY_PATH set during ./configure time])
+])# _LT_SYS_DYNAMIC_LINKER
+
+
+# _LT_PATH_TOOL_PREFIX(TOOL)
+# --------------------------
+# find a file program that can recognize shared library
+AC_DEFUN([_LT_PATH_TOOL_PREFIX],
+[m4_require([_LT_DECL_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] |  ?:[\\/]*])
+  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD=$MAGIC_CMD
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word.  This closes a longstanding sh security hole.
+  ac_dummy="m4_if([$2], , $PATH, [$2])"
+  for ac_dir in $ac_dummy; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$1"; then
+      lt_cv_path_MAGIC_CMD=$ac_dir/"$1"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS=$lt_save_ifs
+  MAGIC_CMD=$lt_save_MAGIC_CMD
+  ;;
+esac])
+MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+if test -n "$MAGIC_CMD"; then
+  AC_MSG_RESULT($MAGIC_CMD)
+else
+  AC_MSG_RESULT(no)
+fi
+_LT_DECL([], [MAGIC_CMD], [0],
+	 [Used to examine libraries when file_magic_cmd begins with "file"])dnl
+])# _LT_PATH_TOOL_PREFIX
+
+# Old name:
+AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
+
+
+# _LT_PATH_MAGIC
+# --------------
+# find a file program that can recognize a shared library
+m4_defun([_LT_PATH_MAGIC],
+[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+  else
+    MAGIC_CMD=:
+  fi
+fi
+])# _LT_PATH_MAGIC
+
+
+# LT_PATH_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([LT_PATH_LD],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PROG_ECHO_BACKSLASH])dnl
+
+AC_ARG_WITH([gnu-ld],
+    [AS_HELP_STRING([--with-gnu-ld],
+	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
+    [test no = "$withval" || with_gnu_ld=yes],
+    [with_gnu_ld=no])dnl
+
+ac_prog=ld
+if test yes = "$GCC"; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by $CC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return, which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD=$ac_prog
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test yes = "$with_gnu_ld"; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD=$ac_dir/$ac_prog
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test no != "$with_gnu_ld" && break
+	;;
+      *)
+	test yes != "$with_gnu_ld" && break
+	;;
+      esac
+    fi
+  done
+  IFS=$lt_save_ifs
+else
+  lt_cv_path_LD=$LD # Let the user override the test with a path.
+fi])
+LD=$lt_cv_path_LD
+if test -n "$LD"; then
+  AC_MSG_RESULT($LD)
+else
+  AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+_LT_PATH_LD_GNU
+AC_SUBST([LD])
+
+_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
+])# LT_PATH_LD
+
+# Old names:
+AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
+AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_LD], [])
+dnl AC_DEFUN([AC_PROG_LD], [])
+
+
+# _LT_PATH_LD_GNU
+#- --------------
+m4_defun([_LT_PATH_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# _LT_PATH_LD_GNU
+
+
+# _LT_CMD_RELOAD
+# --------------
+# find reload flag for linker
+#   -- PORTME Some linkers may need a different reload flag.
+m4_defun([_LT_CMD_RELOAD],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+  lt_cv_ld_reload_flag,
+  [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    if test yes != "$GCC"; then
+      reload_cmds=false
+    fi
+    ;;
+  darwin*)
+    if test yes = "$GCC"; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+_LT_TAGDECL([], [reload_flag], [1], [How to create reloadable object files])dnl
+_LT_TAGDECL([], [reload_cmds], [2])dnl
+])# _LT_CMD_RELOAD
+
+
+# _LT_PATH_DD
+# -----------
+# find a working dd
+m4_defun([_LT_PATH_DD],
+[AC_CACHE_CHECK([for a working dd], [ac_cv_path_lt_DD],
+[printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+: ${lt_DD:=$DD}
+AC_PATH_PROGS_FEATURE_CHECK([lt_DD], [dd],
+[if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
+fi])
+rm -f conftest.i conftest2.i conftest.out])
+])# _LT_PATH_DD
+
+
+# _LT_CMD_TRUNCATE
+# ----------------
+# find command to truncate a binary pipe
+m4_defun([_LT_CMD_TRUNCATE],
+[m4_require([_LT_PATH_DD])
+AC_CACHE_CHECK([how to truncate binary pipes], [lt_cv_truncate_bin],
+[printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+lt_cv_truncate_bin=
+if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
+fi
+rm -f conftest.i conftest2.i conftest.out
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"])
+_LT_DECL([lt_truncate_bin], [lt_cv_truncate_bin], [1],
+  [Command to truncate a binary pipe])
+])# _LT_CMD_TRUNCATE
+
+
+# _LT_CHECK_MAGIC_METHOD
+# ----------------------
+# how to check for library dependencies
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_MAGIC_METHOD],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# 'unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# that responds to the $file_magic_cmd with a given extended regex.
+# If you have 'file' or equivalent on your system and you're not sure
+# whether 'pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[[45]]*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='$FILECMD -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    # Keep this pattern in sync with the one in func_win32_libid.
+    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+cegcc*)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly* | midnightbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=$FILECMD
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+haiku*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=$FILECMD
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]']
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[[3-9]]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=$FILECMD
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd* | bitrig*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+os2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+])
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+  case $host_os in
+  mingw* | pw32*)
+    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+      want_nocaseglob=yes
+    else
+      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"`
+    fi
+    ;;
+  esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+_LT_DECL([], [deplibs_check_method], [1],
+    [Method to check whether dependent libraries are shared objects])
+_LT_DECL([], [file_magic_cmd], [1],
+    [Command to use when deplibs_check_method = "file_magic"])
+_LT_DECL([], [file_magic_glob], [1],
+    [How to find potential files when deplibs_check_method = "file_magic"])
+_LT_DECL([], [want_nocaseglob], [1],
+    [Find potential files using nocaseglob when deplibs_check_method = "file_magic"])
+])# _LT_CHECK_MAGIC_METHOD
+
+
+# LT_PATH_NM
+# ----------
+# find the pathname to a BSD- or MS-compatible name lister
+AC_DEFUN([LT_PATH_NM],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
+[if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM=$NM
+else
+  lt_nm_to_check=${ac_tool_prefix}nm
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS=$lt_save_ifs
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm=$ac_dir/$lt_tmp_nm
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
+	case $build_os in
+	mingw*) lt_bad_file=conftest.nm/nofile ;;
+	*) lt_bad_file=/dev/null ;;
+	esac
+	case `"$tmp_nm" -B $lt_bad_file 2>&1 | $SED '1q'` in
+	*$lt_bad_file* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break 2
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | $SED '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break 2
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS=$lt_save_ifs
+  done
+  : ${lt_cv_path_NM=no}
+fi])
+if test no != "$lt_cv_path_NM"; then
+  NM=$lt_cv_path_NM
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$DUMPBIN"; then :
+    # Let the user override the test.
+  else
+    AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :)
+    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | $SED '1q'` in
+    *COFF*)
+      DUMPBIN="$DUMPBIN -symbols -headers"
+      ;;
+    *)
+      DUMPBIN=:
+      ;;
+    esac
+  fi
+  AC_SUBST([DUMPBIN])
+  if test : != "$DUMPBIN"; then
+    NM=$DUMPBIN
+  fi
+fi
+test -z "$NM" && NM=nm
+AC_SUBST([NM])
+_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
+
+AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
+  [lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
+  cat conftest.out >&AS_MESSAGE_LOG_FD
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*])
+])# LT_PATH_NM
+
+# Old names:
+AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
+AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_NM], [])
+dnl AC_DEFUN([AC_PROG_NM], [])
+
+# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+# --------------------------------
+# how to determine the name of the shared library
+# associated with a specific link library.
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+m4_require([_LT_DECL_DLLTOOL])
+AC_CACHE_CHECK([how to associate runtime and link libraries],
+lt_cv_sharedlib_from_linklib_cmd,
+[lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+  # two different shell functions defined in ltmain.sh;
+  # decide which one to use based on capabilities of $DLLTOOL
+  case `$DLLTOOL --help 2>&1` in
+  *--identify-strict*)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+    ;;
+  *)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+    ;;
+  esac
+  ;;
+*)
+  # fallback: assume linklib IS sharedlib
+  lt_cv_sharedlib_from_linklib_cmd=$ECHO
+  ;;
+esac
+])
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+_LT_DECL([], [sharedlib_from_linklib_cmd], [1],
+    [Command to associate shared and link libraries])
+])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+
+
+# _LT_PATH_MANIFEST_TOOL
+# ----------------------
+# locate the manifest tool
+m4_defun([_LT_PATH_MANIFEST_TOOL],
+[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :)
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool],
+  [lt_cv_path_mainfest_tool=no
+  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD
+  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+    lt_cv_path_mainfest_tool=yes
+  fi
+  rm -f conftest*])
+if test yes != "$lt_cv_path_mainfest_tool"; then
+  MANIFEST_TOOL=:
+fi
+_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl
+])# _LT_PATH_MANIFEST_TOOL
+
+
+# _LT_DLL_DEF_P([FILE])
+# ---------------------
+# True iff FILE is a Windows DLL '.def' file.
+# Keep in sync with func_dll_def_p in the libtool script
+AC_DEFUN([_LT_DLL_DEF_P],
+[dnl
+  test DEF = "`$SED -n dnl
+    -e '\''s/^[[	 ]]*//'\'' dnl Strip leading whitespace
+    -e '\''/^\(;.*\)*$/d'\'' dnl      Delete empty lines and comments
+    -e '\''s/^\(EXPORTS\|LIBRARY\)\([[	 ]].*\)*$/DEF/p'\'' dnl
+    -e q dnl                          Only consider the first "real" line
+    $1`" dnl
+])# _LT_DLL_DEF_P
+
+
+# LT_LIB_M
+# --------
+# check for math library
+AC_DEFUN([LT_LIB_M],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
+  # These system don't have libm, or don't need it
+  ;;
+*-ncr-sysv4.3*)
+  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw)
+  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+  ;;
+*)
+  AC_CHECK_LIB(m, cos, LIBM=-lm)
+  ;;
+esac
+AC_SUBST([LIBM])
+])# LT_LIB_M
+
+# Old name:
+AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_CHECK_LIBM], [])
+
+
+# _LT_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------
+m4_defun([_LT_COMPILER_NO_RTTI],
+[m4_require([_LT_TAG_COMPILER])dnl
+
+_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test yes = "$GCC"; then
+  case $cc_basename in
+  nvcc*)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;;
+  esac
+
+  _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+    lt_cv_prog_compiler_rtti_exceptions,
+    [-fno-rtti -fno-exceptions], [],
+    [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
+	[Compiler flag to turn off builtin functions])
+])# _LT_COMPILER_NO_RTTI
+
+
+# _LT_CMD_GLOBAL_SYMBOLS
+# ----------------------
+m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[[BCDT]]'
+  ;;
+cygwin* | mingw* | pw32* | cegcc*)
+  symcode='[[ABCDGISTW]]'
+  ;;
+hpux*)
+  if test ia64 = "$host_cpu"; then
+    symcode='[[ABCDEGRST]]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[[BCDEGRST]]'
+  ;;
+osf*)
+  symcode='[[BCDEGQRST]]'
+  ;;
+solaris*)
+  symcode='[[BDRT]]'
+  ;;
+sco3.2v5*)
+  symcode='[[DT]]'
+  ;;
+sysv4.2uw2*)
+  symcode='[[DT]]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[[ABDT]]'
+  ;;
+sysv4)
+  symcode='[[DFNSTU]]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  # Gets list of data symbols to import.
+  lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'"
+  # Adjust the below global symbol transforms to fixup imported variables.
+  lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'"
+  lt_c_name_hook=" -e 's/^I .* \(.*\)$/  {\"\1\", (void *) 0},/p'"
+  lt_c_name_lib_hook="\
+  -e 's/^I .* \(lib.*\)$/  {\"\1\", (void *) 0},/p'\
+  -e 's/^I .* \(.*\)$/  {\"lib\1\", (void *) 0},/p'"
+else
+  # Disable hooks by default.
+  lt_cv_sys_global_symbol_to_import=
+  lt_cdecl_hook=
+  lt_c_name_hook=
+  lt_c_name_lib_hook=
+fi
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="$SED -n"\
+$lt_cdecl_hook\
+" -e 's/^T .* \(.*\)$/extern int \1();/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\
+$lt_c_name_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/p'"
+
+# Transform an extracted symbol line into symbol name with lib prefix and
+# symbol address.
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\
+$lt_c_name_lib_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(lib.*\)$/  {\"\1\", (void *) \&\1},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"lib\1\", (void *) \&\1},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function,
+    # D for any global variable and I for any imported variable.
+    # Also find C++ and __fastcall symbols from MSVC++ or ICC,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK ['"\
+"     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\
+"     /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
+"     /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\
+"     {split(\$ 0,a,/\||\r/); split(a[2],s)};"\
+"     s[1]~/^[@?]/{print f,s[1],s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx]"
+  else
+    lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[	 ]]\($symcode$symcode*\)[[	 ]][[	 ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'"
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if AC_TRY_EVAL(ac_compile); then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
+/* DATA imports from DLLs on WIN32 can't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT@&t@_DLSYM_CONST
+#elif defined __osf__
+/* This system does not cope well with relocations in const data.  */
+# define LT@&t@_DLSYM_CONST
+#else
+# define LT@&t@_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+LT@&t@_DLSYM_CONST struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[[]] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_globsym_save_LIBS=$LIBS
+	  lt_globsym_save_CFLAGS=$CFLAGS
+	  LIBS=conftstm.$ac_objext
+	  CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+	  if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then
+	    pipe_works=yes
+	  fi
+	  LIBS=$lt_globsym_save_LIBS
+	  CFLAGS=$lt_globsym_save_CFLAGS
+	else
+	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+    fi
+  else
+    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test yes = "$pipe_works"; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  AC_MSG_RESULT(failed)
+else
+  AC_MSG_RESULT(ok)
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then
+  nm_file_list_spec='@'
+fi
+
+_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
+    [Take the output of nm and produce a listing of raw symbols and C names])
+_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
+    [Transform the output of nm in a proper C declaration])
+_LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1],
+    [Transform the output of nm into a list of symbols to manually relocate])
+_LT_DECL([global_symbol_to_c_name_address],
+    [lt_cv_sys_global_symbol_to_c_name_address], [1],
+    [Transform the output of nm in a C name address pair])
+_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
+    [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
+    [Transform the output of nm in a C name address pair when lib prefix is needed])
+_LT_DECL([nm_interface], [lt_cv_nm_interface], [1],
+    [The name lister interface])
+_LT_DECL([], [nm_file_list_spec], [1],
+    [Specify filename containing input files for $NM])
+]) # _LT_CMD_GLOBAL_SYMBOLS
+
+
+# _LT_COMPILER_PIC([TAGNAME])
+# ---------------------------
+m4_defun([_LT_COMPILER_PIC],
+[m4_require([_LT_TAG_COMPILER])dnl
+_LT_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_TAGVAR(lt_prog_compiler_static, $1)=
+
+m4_if([$1], [CXX], [
+  # C++ specific cases for pic, static, wl, etc.
+  if test yes = "$GXX"; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+    aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+    mingw* | cygwin* | os2* | pw32* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+    *djgpp*)
+      # DJGPP does not support shared libraries at all
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+      ;;
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+    *qnx* | *nto*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    case $host_os in
+      aix[[4-9]]*)
+	# All AIX code is PIC.
+	if test ia64 = "$host_cpu"; then
+	  # AIX 5 now supports IA64 processor
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	else
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+	fi
+	;;
+      chorus*)
+	case $cc_basename in
+	cxch68*)
+	  # Green Hills C++ Compiler
+	  # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+	  ;;
+	esac
+	;;
+      mingw* | cygwin* | os2* | pw32* | cegcc*)
+	# This hack is so that the source file can tell whether it is being
+	# built for inclusion in a dll (and should export symbols for example).
+	m4_if([$1], [GCJ], [],
+	  [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+	;;
+      dgux*)
+	case $cc_basename in
+	  ec++*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  ghcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      freebsd* | dragonfly* | midnightbsd*)
+	# FreeBSD uses GNU C++
+	;;
+      hpux9* | hpux10* | hpux11*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+	    if test ia64 != "$host_cpu"; then
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	    fi
+	    ;;
+	  aCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+	    case $host_cpu in
+	    hppa*64*|ia64*)
+	      # +Z the default
+	      ;;
+	    *)
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	      ;;
+	    esac
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
+      irix5* | irix6* | nonstopux*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    # CC pic flag -KPIC is the default.
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+	case $cc_basename in
+	  KCC*)
+	    # KAI C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    ;;
+	  ecpc* )
+	    # old Intel C++ for x86_64, which still supported -KPIC.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  icpc* )
+	    # Intel C++, used to be incompatible with GCC.
+	    # ICC 10 doesn't accept -KPIC any more.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  pgCC* | pgcpp*)
+	    # Portland Group C++ compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  cxx*)
+	    # Compaq C++
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*)
+	    # IBM XL 8.0, 9.0 on PPC and BlueGene
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | $SED 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+      lynxos*)
+	;;
+      m88k*)
+	;;
+      mvs*)
+	case $cc_basename in
+	  cxx*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      netbsd*)
+	;;
+      *qnx* | *nto*)
+        # QNX uses GNU C++, but need to define -shared option too, otherwise
+        # it will coredump.
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+        ;;
+      osf3* | osf4* | osf5*)
+	case $cc_basename in
+	  KCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    ;;
+	  RCC*)
+	    # Rational C++ 2.4.1
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  cxx*)
+	    # Digital/Compaq C++
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      psos*)
+	;;
+      solaris*)
+	case $cc_basename in
+	  CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	    ;;
+	  gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sunos4*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.x
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  lcc*)
+	    # Lucid
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	esac
+	;;
+      tandem*)
+	case $cc_basename in
+	  NCC*)
+	    # NonStop-UX NCC 3.20
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      vxworks*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+	;;
+    esac
+  fi
+],
+[
+  if test yes = "$GCC"; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+
+    case $cc_basename in
+    nvcc*) # Cuda Compiler Driver 2.2
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
+      if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
+      fi
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      else
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      case $cc_basename in
+      nagfor*)
+        # NAG Fortran compiler
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      esac
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC (with -KPIC) is the default.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+      case $cc_basename in
+      # old Intel for x86_64, which still supported -KPIC.
+      ecc*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # icc used to be incompatible with GCC.
+      # ICC 10 doesn't accept -KPIC any more.
+      icc* | ifort*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # Lahey Fortran 8.1.
+      lf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
+	;;
+      nagfor*)
+	# NAG Fortran compiler
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	;;
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	;;
+      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      ccc*)
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+        # All Alpha code is PIC.
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+        ;;
+      xl* | bgxl* | bgf* | mpixl*)
+	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | $SED 5q` in
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
+	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	  ;;
+	*Sun\ C*)
+	  # Sun C 5.9
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  ;;
+        *Intel*\ [[CF]]*Compiler*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	  ;;
+	*Portland\ Group*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # All OSF/1 code is PIC.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    rdos*)
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    unicos*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+    esac
+  fi
+])
+case $host_os in
+  # For platforms that do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+    ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
+    ;;
+esac
+
+AC_CACHE_CHECK([for $compiler option to produce PIC],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+  _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
+    [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
+    [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
+    [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
+     "" | " "*) ;;
+     *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+     esac],
+    [_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+     _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
+	[Additional compiler flags for building library objects])
+
+_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
+	[How to pass a linker flag through the compiler])
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
+_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+  _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+  $lt_tmp_static_flag,
+  [],
+  [_LT_TAGVAR(lt_prog_compiler_static, $1)=])
+_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
+	[Compiler flag to prevent dynamic linking])
+])# _LT_COMPILER_PIC
+
+
+# _LT_LINKER_SHLIBS([TAGNAME])
+# ----------------------------
+# See if the linker supports building shared libraries.
+m4_defun([_LT_LINKER_SHLIBS],
+[AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+m4_if([$1], [CXX], [
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  case $host_os in
+  aix[[4-9]]*)
+    # If we're using GNU nm, then we don't want the "-C" option.
+    # -C means demangle to GNU nm, but means don't demangle to AIX nm.
+    # Without the "-l" option, or with the "-B" option, AIX nm treats
+    # weak defined symbols like other global defined symbols, whereas
+    # GNU nm marks them as "W".
+    # While the 'weak' keyword is ignored in the Export File, we need
+    # it in the Import File for the 'aix-soname' feature, so we have
+    # to replace the "-B" option with "-P" for AIX nm.
+    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+    else
+      _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+    fi
+    ;;
+  pw32*)
+    _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds
+    ;;
+  cygwin* | mingw* | cegcc*)
+    case $cc_basename in
+    cl* | icl*)
+      _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+      ;;
+    *)
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+      ;;
+    esac
+    ;;
+  *)
+    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+    ;;
+  esac
+], [
+  runpath_var=
+  _LT_TAGVAR(allow_undefined_flag, $1)=
+  _LT_TAGVAR(always_export_symbols, $1)=no
+  _LT_TAGVAR(archive_cmds, $1)=
+  _LT_TAGVAR(archive_expsym_cmds, $1)=
+  _LT_TAGVAR(compiler_needs_object, $1)=no
+  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+  _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(hardcode_automatic, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+  _LT_TAGVAR(hardcode_minus_L, $1)=no
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  _LT_TAGVAR(inherit_rpath, $1)=no
+  _LT_TAGVAR(link_all_deplibs, $1)=unknown
+  _LT_TAGVAR(module_cmds, $1)=
+  _LT_TAGVAR(module_expsym_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_new_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+  _LT_TAGVAR(thread_safe_flag_spec, $1)=
+  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  _LT_TAGVAR(include_expsyms, $1)=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ' (' and ')$', so one must not match beginning or
+  # end of line.  Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc',
+  # as well as any symbol that contains 'd'.
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    # FIXME: the MSVC++ and ICC port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++ or Intel C++ Compiler.
+    if test yes != "$GCC"; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++ or ICC)
+    with_gnu_ld=yes
+    ;;
+  openbsd* | bitrig*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  _LT_TAGVAR(ld_shlibs, $1)=yes
+
+  # On some targets, GNU ld is compatible enough with the native linker
+  # that we're better off using the native interface for both.
+  lt_use_gnu_ld_interface=no
+  if test yes = "$with_gnu_ld"; then
+    case $host_os in
+      aix*)
+	# The AIX port of GNU ld has always aspired to compatibility
+	# with the native linker.  However, as the warning in the GNU ld
+	# block says, versions before 2.19.5* couldn't really create working
+	# shared libraries, regardless of the interface used.
+	case `$LD -v 2>&1` in
+	  *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+	  *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;;
+	  *\ \(GNU\ Binutils\)\ [[3-9]]*) ;;
+	  *)
+	    lt_use_gnu_ld_interface=yes
+	    ;;
+	esac
+	;;
+      *)
+	lt_use_gnu_ld_interface=yes
+	;;
+    esac
+  fi
+
+  if test yes = "$lt_use_gnu_ld_interface"; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='$wl'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+    else
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v | $SED -e 's/([[^)]]\+)\s\+//' 2>&1` in
+      *GNU\ gold*) supports_anon_versioning=yes ;;
+      *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[[3-9]]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test ia64 != "$host_cpu"; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	_LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+      # as there is no search path for DLLs.
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=no
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file, use it as
+	# is; otherwise, prepend EXPORTS...
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+          cp $export_symbols $output_objdir/$soname.def;
+        else
+          echo EXPORTS > $output_objdir/$soname.def;
+          cat $export_symbols >> $output_objdir/$soname.def;
+        fi~
+        $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    haiku*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      shrext_cmds=.dll
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='@'
+      ;;
+
+    interix[[3-9]]*)
+      _LT_TAGVAR(hardcode_direct, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$SED "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+      tmp_diet=no
+      if test linux-dietlibc = "$host_os"; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test no = "$tmp_diet"
+      then
+	tmp_addflag=' $pic_flag'
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95* | pgfortran*)
+					# Portland Group f77 and f90 compilers
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	lf95*)				# Lahey Fortran 8.1
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+	  tmp_sharedflag='--shared' ;;
+        nagfor*)                        # NAGFOR 5.3
+          tmp_sharedflag='-Wl,-shared' ;;
+	xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	nvcc*)	# Cuda Compiler Driver 2.2
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  ;;
+	esac
+	case `$CC -V 2>&1 | $SED 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	_LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+
+        if test yes = "$supports_anon_versioning"; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+            cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+            echo "local: *; };" >> $output_objdir/$libname.ver~
+            $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	tcc*)
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic'
+	  ;;
+	xlf* | bgf* | bgxlf* | mpixlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+	  if test yes = "$supports_anon_versioning"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+              cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+              echo "local: *; };" >> $output_objdir/$libname.ver~
+              $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        _LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+    esac
+
+    if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then
+      runpath_var=
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	_LT_TAGVAR(hardcode_direct, $1)=unsupported
+      fi
+      ;;
+
+    aix[[4-9]]*)
+      if test ia64 = "$host_cpu"; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to GNU nm, but means don't demangle to AIX nm.
+	# Without the "-l" option, or with the "-B" option, AIX nm treats
+	# weak defined symbols like other global defined symbols, whereas
+	# GNU nm marks them as "W".
+	# While the 'weak' keyword is ignored in the Export File, we need
+	# it in the Import File for the 'aix-soname' feature, so we have
+	# to replace the "-B" option with "-P" for AIX nm.
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+	else
+	  _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# have runtime linking enabled, and use it for executables.
+	# For shared libraries, we enable/disable runtime linking
+	# depending on the kind of the shared library created -
+	# when "with_aix_soname,aix_use_runtimelinking" is:
+	# "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "aix,yes"  lib.so          shared, rtl:yes, for executables
+	#            lib.a           static archive
+	# "both,no"  lib.so.V(shr.o) shared, rtl:yes
+	#            lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a(lib.so.V) shared, rtl:no
+	# "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a           static archive
+	case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	    # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	    # so we don't have lib.a shared libs to link our executables.
+	    # We have to force runtime linking in this case.
+	    aix_use_runtimelinking=yes
+	    LDFLAGS="$LDFLAGS -Wl,-brtl"
+	  fi
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      _LT_TAGVAR(archive_cmds, $1)=''
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
+      case $with_aix_soname,$aix_use_runtimelinking in
+      aix,*) ;; # traditional, no import file
+      svr4,* | *,yes) # use import file
+	# The Import File defines what to hardcode.
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+	;;
+      esac
+
+      if test yes = "$GCC"; then
+	case $host_os in aix4.[[012]]|aix4.[[012]].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test yes = "$aix_use_runtimelinking"; then
+	  shared_flag="$shared_flag "'$wl-G'
+	fi
+	# Need to ensure runtime linking is disabled for the traditional
+	# shared library, or the linker may eventually find shared libraries
+	# /with/ Import File - we do not want to mix them.
+	shared_flag_aix='-shared'
+	shared_flag_svr4='-shared $wl-G'
+      else
+	# not using gcc
+	if test ia64 = "$host_cpu"; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag='$wl-G'
+	  else
+	    shared_flag='$wl-bM:SRE'
+	  fi
+	  shared_flag_aix='$wl-bM:SRE'
+	  shared_flag_svr4='$wl-G'
+	fi
+      fi
+
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	_LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        _LT_SYS_MODULE_PATH_AIX([$1])
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+      else
+	if test ia64 = "$host_cpu"; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
+	  _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 _LT_SYS_MODULE_PATH_AIX([$1])
+	 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
+	  if test yes = "$with_gnu_ld"; then
+	    # We only use this code for GNU lds that support --whole-archive.
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	  else
+	    # Exported symbols can be pulled into shared objects from archives
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	  fi
+	  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	  # -brtl affects multiple linker settings, -berok does not and is overridden later
+	  compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`'
+	  if test svr4 != "$with_aix_soname"; then
+	    # This is similar to how AIX traditionally builds its shared libraries.
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	  fi
+	  if test aix != "$with_aix_soname"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	  else
+	    # used by -dlpreopen to get the symbols
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	  fi
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[[45]]*)
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++ or Intel C++ Compiler.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      case $cc_basename in
+      cl* | icl*)
+	# Native MSVC or ICC
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	_LT_TAGVAR(always_export_symbols, $1)=yes
+	_LT_TAGVAR(file_list_spec, $1)='@'
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+            cp "$export_symbols" "$output_objdir/$soname.def";
+            echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+          else
+            $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+          fi~
+          $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+          linknames='
+	# The linker will not automatically build a static lib if we build a DLL.
+	# _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	_LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+	# Don't use ranlib
+	_LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	_LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+          lt_tool_outputfile="@TOOL_OUTPUT@"~
+          case $lt_outputfile in
+            *.exe|*.EXE) ;;
+            *)
+              lt_outputfile=$lt_outputfile.exe
+              lt_tool_outputfile=$lt_tool_outputfile.exe
+              ;;
+          esac~
+          if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+            $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+            $RM "$lt_outputfile.manifest";
+          fi'
+	;;
+      *)
+	# Assume MSVC and ICC wrapper
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+	# The linker will automatically build a .lib file if we build a DLL.
+	_LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	# FIXME: Should let the user specify the lib program.
+	_LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      _LT_DARWIN_LINKER_FEATURES($1)
+      ;;
+
+    dgux*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2.*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly* | midnightbsd*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    hpux9*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+      ;;
+
+    hpux10*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test no = "$with_gnu_ld"; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	m4_if($1, [], [
+	  # Older versions of the 11.00 compiler do not understand -b yet
+	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+	  _LT_LINKER_OPTION([if $CC understands -b],
+	    _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b],
+	    [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'],
+	    [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])],
+	  [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'])
+	  ;;
+	esac
+      fi
+      if test no = "$with_gnu_ld"; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  ;;
+	*)
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+	# This should be the same for all languages, so no per-tag cache variable.
+	AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol],
+	  [lt_cv_irix_exported_symbol],
+	  [save_LDFLAGS=$LDFLAGS
+	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
+	   AC_LINK_IFELSE(
+	     [AC_LANG_SOURCE(
+	        [AC_LANG_CASE([C], [[int foo (void) { return 0; }]],
+			      [C++], [[int foo (void) { return 0; }]],
+			      [Fortran 77], [[
+      subroutine foo
+      end]],
+			      [Fortran], [[
+      subroutine foo
+      end]])])],
+	      [lt_cv_irix_exported_symbol=yes],
+	      [lt_cv_irix_exported_symbol=no])
+           LDFLAGS=$save_LDFLAGS])
+	if test yes = "$lt_cv_irix_exported_symbol"; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
+	fi
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(inherit_rpath, $1)=yes
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    linux*)
+      case $cc_basename in
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+      esac
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd* | bitrig*)
+      if test -f /usr/libexec/ld.so; then
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	else
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	fi
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      shrext_cmds=.dll
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='@'
+      ;;
+
+    osf3*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+          $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
+      if test yes = "$GCC"; then
+	wlarc='$wl'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+          $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='$wl'
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      case $host_os in
+      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands '-z linker_flag'.  GCC discards it without '$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test yes = "$GCC"; then
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+	else
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    sunos4*)
+      if test sequent = "$host_vendor"; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+        ;;
+	motorola)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4.3*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We CANNOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      _LT_TAGVAR(ld_shlibs, $1)=no
+      ;;
+    esac
+
+    if test sni = "$host_vendor"; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+])
+AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
+
+_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
+
+_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl
+_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl
+_LT_DECL([], [extract_expsyms_cmds], [2],
+    [The commands to extract the exported symbol list from a shared archive])
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+  # Assume -lc should be added
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+  if test yes,yes = "$GCC,$enable_shared"; then
+    case $_LT_TAGVAR(archive_cmds, $1) in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      AC_CACHE_CHECK([whether -lc should be explicitly linked in],
+	[lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1),
+	[$RM conftest*
+	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+	if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
+	  soname=conftest
+	  lib=conftest
+	  libobjs=conftest.$ac_objext
+	  deplibs=
+	  wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
+	  pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
+	  compiler_flags=-v
+	  linker_flags=-v
+	  verstring=
+	  output_objdir=.
+	  libname=conftest
+	  lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
+	  _LT_TAGVAR(allow_undefined_flag, $1)=
+	  if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
+	  then
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	  else
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  fi
+	  _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+	else
+	  cat conftest.err 1>&5
+	fi
+	$RM conftest*
+	])
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0],
+    [Whether or not to add -lc for building shared libraries])
+_LT_TAGDECL([allow_libtool_libs_with_static_runtimes],
+    [enable_shared_with_static_runtimes], [0],
+    [Whether or not to disallow shared libs when runtime libs are static])
+_LT_TAGDECL([], [export_dynamic_flag_spec], [1],
+    [Compiler flag to allow reflexive dlopens])
+_LT_TAGDECL([], [whole_archive_flag_spec], [1],
+    [Compiler flag to generate shared objects directly from archives])
+_LT_TAGDECL([], [compiler_needs_object], [1],
+    [Whether the compiler copes with passing no objects directly])
+_LT_TAGDECL([], [old_archive_from_new_cmds], [2],
+    [Create an old-style archive from a shared archive])
+_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2],
+    [Create a temporary old-style archive to link instead of a shared archive])
+_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive])
+_LT_TAGDECL([], [archive_expsym_cmds], [2])
+_LT_TAGDECL([], [module_cmds], [2],
+    [Commands used to build a loadable module if different from building
+    a shared archive.])
+_LT_TAGDECL([], [module_expsym_cmds], [2])
+_LT_TAGDECL([], [with_gnu_ld], [1],
+    [Whether we are building with GNU ld or not])
+_LT_TAGDECL([], [allow_undefined_flag], [1],
+    [Flag that allows shared libraries with undefined symbols to be built])
+_LT_TAGDECL([], [no_undefined_flag], [1],
+    [Flag that enforces no undefined symbols])
+_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
+    [Flag to hardcode $libdir into a binary during linking.
+    This must work even if $libdir does not exist])
+_LT_TAGDECL([], [hardcode_libdir_separator], [1],
+    [Whether we need a single "-rpath" flag with a separated argument])
+_LT_TAGDECL([], [hardcode_direct], [0],
+    [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
+    DIR into the resulting binary])
+_LT_TAGDECL([], [hardcode_direct_absolute], [0],
+    [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
+    DIR into the resulting binary and the resulting library dependency is
+    "absolute", i.e impossible to change by setting $shlibpath_var if the
+    library is relocated])
+_LT_TAGDECL([], [hardcode_minus_L], [0],
+    [Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_shlibpath_var], [0],
+    [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_automatic], [0],
+    [Set to "yes" if building a shared library automatically hardcodes DIR
+    into the library and all subsequent libraries and executables linked
+    against it])
+_LT_TAGDECL([], [inherit_rpath], [0],
+    [Set to yes if linker adds runtime paths of dependent libraries
+    to runtime path list])
+_LT_TAGDECL([], [link_all_deplibs], [0],
+    [Whether libtool must link a program against all its dependency libraries])
+_LT_TAGDECL([], [always_export_symbols], [0],
+    [Set to "yes" if exported symbols are required])
+_LT_TAGDECL([], [export_symbols_cmds], [2],
+    [The commands to list exported symbols])
+_LT_TAGDECL([], [exclude_expsyms], [1],
+    [Symbols that should not be listed in the preloaded symbols])
+_LT_TAGDECL([], [include_expsyms], [1],
+    [Symbols that must always be exported])
+_LT_TAGDECL([], [prelink_cmds], [2],
+    [Commands necessary for linking programs (against libraries) with templates])
+_LT_TAGDECL([], [postlink_cmds], [2],
+    [Commands necessary for finishing linking programs])
+_LT_TAGDECL([], [file_list_spec], [1],
+    [Specify filename containing input files])
+dnl FIXME: Not yet implemented
+dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1],
+dnl    [Compiler flag to generate thread safe objects])
+])# _LT_LINKER_SHLIBS
+
+
+# _LT_LANG_C_CONFIG([TAG])
+# ------------------------
+# Ensure that the configuration variables for a C compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_C_CONFIG],
+[m4_require([_LT_DECL_EGREP])dnl
+lt_save_CC=$CC
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_TAG_COMPILER
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_SYS_DYNAMIC_LINKER($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+  LT_SYS_DLOPEN_SELF
+  _LT_CMD_STRIPLIB
+
+  # Report what library types will actually be built
+  AC_MSG_CHECKING([if libtool supports shared libraries])
+  AC_MSG_RESULT([$can_build_shared])
+
+  AC_MSG_CHECKING([whether to build shared libraries])
+  test no = "$can_build_shared" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test yes = "$enable_shared" && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[[4-9]]*)
+    if test ia64 != "$host_cpu"; then
+      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+      yes,aix,yes) ;;			# shared object as lib.so file only
+      yes,svr4,*) ;;			# shared object as lib.so archive member only
+      yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+      esac
+    fi
+    ;;
+  esac
+  AC_MSG_RESULT([$enable_shared])
+
+  AC_MSG_CHECKING([whether to build static libraries])
+  # Make sure either enable_shared or enable_static is yes.
+  test yes = "$enable_shared" || enable_static=yes
+  AC_MSG_RESULT([$enable_static])
+
+  _LT_CONFIG($1)
+fi
+AC_LANG_POP
+CC=$lt_save_CC
+])# _LT_LANG_C_CONFIG
+
+
+# _LT_LANG_CXX_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a C++ compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_CXX_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+if test -n "$CXX" && ( test no != "$CXX" &&
+    ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) ||
+    (test g++ != "$CXX"))); then
+  AC_PROG_CXXCPP
+else
+  _lt_caught_CXX_error=yes
+fi
+
+AC_LANG_PUSH(C++)
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(compiler_needs_object, $1)=no
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the CXX compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_caught_CXX_error"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="int some_variable = 0;"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_CFLAGS=$CFLAGS
+  lt_save_LD=$LD
+  lt_save_GCC=$GCC
+  GCC=$GXX
+  lt_save_with_gnu_ld=$with_gnu_ld
+  lt_save_path_LD=$lt_cv_path_LD
+  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+  else
+    $as_unset lt_cv_prog_gnu_ld
+  fi
+  if test -n "${lt_cv_path_LDCXX+set}"; then
+    lt_cv_path_LD=$lt_cv_path_LDCXX
+  else
+    $as_unset lt_cv_path_LD
+  fi
+  test -z "${LDCXX+set}" || LD=$LDCXX
+  CC=${CXX-"c++"}
+  CFLAGS=$CXXFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    # We don't want -fno-exception when compiling C++ code, so set the
+    # no_builtin_flag separately
+    if test yes = "$GXX"; then
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+    else
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+    fi
+
+    if test yes = "$GXX"; then
+      # Set up default GNU C++ configuration
+
+      LT_PATH_LD
+
+      # Check if GNU C++ uses GNU ld as the underlying linker, since the
+      # archiving commands below assume that GNU ld is being used.
+      if test yes = "$with_gnu_ld"; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+
+        # If archive_cmds runs LD, not CC, wlarc should be empty
+        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+        #     investigate it a little bit more. (MM)
+        wlarc='$wl'
+
+        # ancient GNU ld didn't support --whole-archive et. al.
+        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
+	  $GREP 'no-whole-archive' > /dev/null; then
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+        else
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=
+        fi
+      else
+        with_gnu_ld=no
+        wlarc=
+
+        # A generic and very simple default shared library creation
+        # command for GNU C++ for the case where it uses the native
+        # linker, instead of GNU ld.  If possible, this setting should
+        # overridden to take advantage of the native linker features on
+        # the platform it is being used on.
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      fi
+
+      # Commands to make compiler produce verbose output that lists
+      # what "hidden" libraries, object files and flags are used when
+      # linking a shared library.
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+    else
+      GXX=no
+      with_gnu_ld=no
+      wlarc=
+    fi
+
+    # PORTME: fill in a description of your system's C++ link characteristics
+    AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+    _LT_TAGVAR(ld_shlibs, $1)=yes
+    case $host_os in
+      aix3*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+      aix[[4-9]]*)
+        if test ia64 = "$host_cpu"; then
+          # On IA64, the linker does run time linking by default, so we don't
+          # have to do anything special.
+          aix_use_runtimelinking=no
+          exp_sym_flag='-Bexport'
+          no_entry_flag=
+        else
+          aix_use_runtimelinking=no
+
+          # Test if we are trying to use run time linking or normal
+          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+          # have runtime linking enabled, and use it for executables.
+          # For shared libraries, we enable/disable runtime linking
+          # depending on the kind of the shared library created -
+          # when "with_aix_soname,aix_use_runtimelinking" is:
+          # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "aix,yes"  lib.so          shared, rtl:yes, for executables
+          #            lib.a           static archive
+          # "both,no"  lib.so.V(shr.o) shared, rtl:yes
+          #            lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a(lib.so.V) shared, rtl:no
+          # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a           static archive
+          case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	    for ld_flag in $LDFLAGS; do
+	      case $ld_flag in
+	      *-brtl*)
+	        aix_use_runtimelinking=yes
+	        break
+	        ;;
+	      esac
+	    done
+	    if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	      # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	      # so we don't have lib.a shared libs to link our executables.
+	      # We have to force runtime linking in this case.
+	      aix_use_runtimelinking=yes
+	      LDFLAGS="$LDFLAGS -Wl,-brtl"
+	    fi
+	    ;;
+          esac
+
+          exp_sym_flag='-bexport'
+          no_entry_flag='-bnoentry'
+        fi
+
+        # When large executables or shared objects are built, AIX ld can
+        # have problems creating the table of contents.  If linking a library
+        # or program results in "error TOC overflow" add -mminimal-toc to
+        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+        _LT_TAGVAR(archive_cmds, $1)=''
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
+        case $with_aix_soname,$aix_use_runtimelinking in
+        aix,*) ;;	# no import file
+        svr4,* | *,yes) # use import file
+          # The Import File defines what to hardcode.
+          _LT_TAGVAR(hardcode_direct, $1)=no
+          _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+          ;;
+        esac
+
+        if test yes = "$GXX"; then
+          case $host_os in aix4.[[012]]|aix4.[[012]].*)
+          # We only want to do this on AIX 4.2 and lower, the check
+          # below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	    # We have reworked collect2
+	    :
+	  else
+	    # We have old collect2
+	    _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	    # It fails to find uninstalled libraries when the uninstalled
+	    # path is not listed in the libpath.  Setting hardcode_minus_L
+	    # to unsupported forces relinking
+	    _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+          esac
+          shared_flag='-shared'
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag=$shared_flag' $wl-G'
+	  fi
+	  # Need to ensure runtime linking is disabled for the traditional
+	  # shared library, or the linker may eventually find shared libraries
+	  # /with/ Import File - we do not want to mix them.
+	  shared_flag_aix='-shared'
+	  shared_flag_svr4='-shared $wl-G'
+        else
+          # not using gcc
+          if test ia64 = "$host_cpu"; then
+	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	  # chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+          else
+	    if test yes = "$aix_use_runtimelinking"; then
+	      shared_flag='$wl-G'
+	    else
+	      shared_flag='$wl-bM:SRE'
+	    fi
+	    shared_flag_aix='$wl-bM:SRE'
+	    shared_flag_svr4='$wl-G'
+          fi
+        fi
+
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
+        # It seems that -bexpall does not export symbols beginning with
+        # underscore (_), so it is better to generate a list of symbols to
+	# export.
+        _LT_TAGVAR(always_export_symbols, $1)=yes
+	if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+          # Warning - without using the other runtime loading flags (-brtl),
+          # -berok will link without error, but may produce a broken library.
+          # The "-G" linker flag allows undefined symbols.
+          _LT_TAGVAR(no_undefined_flag, $1)='-bernotok'
+          # Determine the default libpath from the value encoded in an empty
+          # executable.
+          _LT_SYS_MODULE_PATH_AIX([$1])
+          _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+        else
+          if test ia64 = "$host_cpu"; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
+	    _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+          else
+	    # Determine the default libpath from the value encoded in an
+	    # empty executable.
+	    _LT_SYS_MODULE_PATH_AIX([$1])
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+	    # Warning - without using the other run time loading flags,
+	    # -berok will link without error, but may produce a broken library.
+	    _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
+	    _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
+	    if test yes = "$with_gnu_ld"; then
+	      # We only use this code for GNU lds that support --whole-archive.
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    else
+	      # Exported symbols can be pulled into shared objects from archives
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	    fi
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	    # -brtl affects multiple linker settings, -berok does not and is overridden later
+	    compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`'
+	    if test svr4 != "$with_aix_soname"; then
+	      # This is similar to how AIX traditionally builds its shared
+	      # libraries. Need -bnortl late, we may have -brtl in LDFLAGS.
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	    fi
+	    if test aix != "$with_aix_soname"; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	    else
+	      # used by -dlpreopen to get the symbols
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	    fi
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
+          fi
+        fi
+        ;;
+
+      beos*)
+	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	  # support --undefined.  This deserves some investigation.  FIXME
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      chorus*)
+        case $cc_basename in
+          *)
+	  # FIXME: insert proper C++ library support
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	  ;;
+        esac
+        ;;
+
+      cygwin* | mingw* | pw32* | cegcc*)
+	case $GXX,$cc_basename in
+	,cl* | no,cl* | ,icl* | no,icl*)
+	  # Native MSVC or ICC
+	  # hardcode_libdir_flag_spec is actually meaningless, as there is
+	  # no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=yes
+	  _LT_TAGVAR(file_list_spec, $1)='@'
+	  # Tell ltmain to make .lib files, not .a files.
+	  libext=lib
+	  # Tell ltmain to make .dll files, not .so files.
+	  shrext_cmds=.dll
+	  # FIXME: Setting linknames here is a bad hack.
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+              cp "$export_symbols" "$output_objdir/$soname.def";
+              echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+            else
+              $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+            fi~
+            $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+            linknames='
+	  # The linker will not automatically build a static lib if we build a DLL.
+	  # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	  # Don't use ranlib
+	  _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	  _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+            lt_tool_outputfile="@TOOL_OUTPUT@"~
+            case $lt_outputfile in
+              *.exe|*.EXE) ;;
+              *)
+                lt_outputfile=$lt_outputfile.exe
+                lt_tool_outputfile=$lt_tool_outputfile.exe
+                ;;
+            esac~
+            func_to_tool_file "$lt_outputfile"~
+            if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+              $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+              $RM "$lt_outputfile.manifest";
+            fi'
+	  ;;
+	*)
+	  # g++
+	  # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+	  # as there is no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=no
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+	  if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	    # If the export-symbols file already is a .def file, use it as
+	    # is; otherwise, prepend EXPORTS...
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+              cp $export_symbols $output_objdir/$soname.def;
+            else
+              echo EXPORTS > $output_objdir/$soname.def;
+              cat $export_symbols >> $output_objdir/$soname.def;
+            fi~
+            $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	  ;;
+	esac
+	;;
+      darwin* | rhapsody*)
+        _LT_DARWIN_LINKER_FEATURES($1)
+	;;
+
+      os2*)
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	shrext_cmds=.dll
+	_LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  prefix_cmds="$SED"~
+	  if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	    prefix_cmds="$prefix_cmds -e 1d";
+	  fi~
+	  prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	  cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	_LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	_LT_TAGVAR(file_list_spec, $1)='@'
+	;;
+
+      dgux*)
+        case $cc_basename in
+          ec++*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          ghcx*)
+	    # Green Hills C++ Compiler
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      freebsd2.*)
+        # C++ shared libraries reported to be fairly broken before
+	# switch to ELF
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      freebsd-elf*)
+        _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+        ;;
+
+      freebsd* | dragonfly* | midnightbsd*)
+        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+        # conventions
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+        ;;
+
+      haiku*)
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        ;;
+
+      hpux9*)
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+				             # but as the default
+				             # location of the library.
+
+        case $cc_basename in
+          CC*)
+            # FIXME: insert proper C++ library support
+            _LT_TAGVAR(ld_shlibs, $1)=no
+            ;;
+          aCC*)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            # Commands to make compiler produce verbose output that lists
+            # what "hidden" libraries, object files and flags are used when
+            # linking a shared library.
+            #
+            # There doesn't appear to be a way to prevent this compiler from
+            # explicitly linking system object files so we need to strip them
+            # from the output so that they don't get included in the library
+            # dependencies.
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+            ;;
+          *)
+            if test yes = "$GXX"; then
+              _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            else
+              # FIXME: insert proper C++ library support
+              _LT_TAGVAR(ld_shlibs, $1)=no
+            fi
+            ;;
+        esac
+        ;;
+
+      hpux10*|hpux11*)
+        if test no = "$with_gnu_ld"; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+          case $host_cpu in
+            hppa*64*|ia64*)
+              ;;
+            *)
+	      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+              ;;
+          esac
+        fi
+        case $host_cpu in
+          hppa*64*|ia64*)
+            _LT_TAGVAR(hardcode_direct, $1)=no
+            _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+            ;;
+          *)
+            _LT_TAGVAR(hardcode_direct, $1)=yes
+            _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+					         # but as the default
+					         # location of the library.
+            ;;
+        esac
+
+        case $cc_basename in
+          CC*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          aCC*)
+	    case $host_cpu in
+	      hppa*64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      ia64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      *)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	    esac
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        case $host_cpu in
+	          hppa*64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          ia64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          *)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	        esac
+	      fi
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      interix[[3-9]]*)
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+	# Instead, shared libraries are loaded at an image base (0x10000000 by
+	# default) and relocated if they conflict, which is a slow very memory
+	# consuming and fragmenting process.  To avoid this, we pick a random,
+	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$SED "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	;;
+      irix5* | irix6*)
+        case $cc_basename in
+          CC*)
+	    # SGI C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	      else
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib'
+	      fi
+	    fi
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+	    ;;
+        esac
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(inherit_rpath, $1)=yes
+        ;;
+
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib'
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+	    ;;
+	  icpc* | ecpc* )
+	    # Intel C++
+	    with_gnu_ld=yes
+	    # version 8.0 and above of icpc choke on multiply defined symbols
+	    # if we add $predep_objects and $postdep_objects, however 7.1 and
+	    # earlier do not add the objects themselves.
+	    case `$CC -V 2>&1` in
+	      *"Version 7."*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	      *)  # Version 8.0 or newer
+	        tmp_idyn=
+	        case $host_cpu in
+		  ia64*) tmp_idyn=' -i_dynamic';;
+		esac
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	    esac
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    ;;
+          pgCC* | pgcpp*)
+            # Portland Group C++ compiler
+	    case `$CC -V` in
+	    *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*)
+	      _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
+               rm -rf $tpldir~
+               $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
+               compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
+	      _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
+                $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
+                $RANLIB $oldlib'
+	      _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    *) # Version 6 and above use weak symbols
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+            ;;
+	  cxx*)
+	    # Compaq C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname  -o $lib $wl-retain-symbols-file $wl$export_symbols'
+
+	    runpath_var=LD_RUN_PATH
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
+	    ;;
+	  xl* | mpixl* | bgxl*)
+	    # IBM XL 8.0 on PPC, with GNU ld
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    if test yes = "$supports_anon_versioning"; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+                cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+                echo "local: *; };" >> $output_objdir/$libname.ver~
+                $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+	    fi
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | $SED 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols'
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	      _LT_TAGVAR(compiler_needs_object, $1)=yes
+
+	      # Not sure whether something based on
+	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+	      # would be better.
+	      output_verbose_link_cmd='func_echo_all'
+
+	      # Archives containing C++ object files must be created using
+	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	      # necessary to make sure instantiated templates are included
+	      # in the archive.
+	      _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+
+      lynxos*)
+        # FIXME: insert proper C++ library support
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      m88k*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      mvs*)
+        case $cc_basename in
+          cxx*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	  *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	esac
+	;;
+
+      netbsd*)
+        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+	  wlarc=
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	fi
+	# Workaround some broken pre-1.5 toolchains
+	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+	;;
+
+      *nto* | *qnx*)
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+	;;
+
+      openbsd* | bitrig*)
+	if test -f /usr/libexec/ld.so; then
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+	  fi
+	  output_verbose_link_cmd=func_echo_all
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      osf3* | osf4* | osf5*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Archives containing C++ object files must be created using
+	    # the KAI C++ compiler.
+	    case $host in
+	      osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
+	      *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
+	    esac
+	    ;;
+          RCC*)
+	    # Rational C++ 2.4.1
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          cxx*)
+	    case $host in
+	      osf3*)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+		;;
+	      *)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+                  echo "-hidden">> $lib.exp~
+                  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp  `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~
+                  $RM $lib.exp'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+		;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+	  *)
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	      case $host in
+	        osf3*)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	        *)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	      esac
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	      # Commands to make compiler produce verbose output that lists
+	      # what "hidden" libraries, object files and flags are used when
+	      # linking a shared library.
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      psos*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      sunos4*)
+        case $cc_basename in
+          CC*)
+	    # Sun C++ 4.x
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          lcc*)
+	    # Lucid
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      solaris*)
+        case $cc_basename in
+          CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+            _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
+	    _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+              $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	    _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	    case $host_os in
+	      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+	      *)
+		# The compiler driver will combine and reorder linker options,
+		# but understands '-z linker_flag'.
+	        # Supported since Solaris 2.6 (maybe 2.5.1?)
+		_LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	        ;;
+	    esac
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+
+	    output_verbose_link_cmd='func_echo_all'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	    ;;
+          gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+
+	    # The C++ compiler must be used to create the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    # GNU C++ compiler with Solaris linker
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      _LT_TAGVAR(no_undefined_flag, $1)=' $wl-z ${wl}defs'
+	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      else
+	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
+	        # platform.
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      fi
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir'
+	      case $host_os in
+		solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+		*)
+		  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+		  ;;
+	      esac
+	    fi
+	    ;;
+        esac
+        ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      case $cc_basename in
+        CC*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+      esac
+      ;;
+
+      sysv5* | sco3.2v5* | sco5v6*)
+	# Note: We CANNOT use -z defs as we might desire, because we do not
+	# link with -lc, and that would cause any symbols used from libc to
+	# always be unresolved, which means just about no library would
+	# ever link correctly.  If we're not using GNU ld we use -z text
+	# though, which does catch some bad symbols but isn't as heavy-handed
+	# as -z defs.
+	_LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+	_LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
+	_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+	_LT_TAGVAR(link_all_deplibs, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
+	runpath_var='LD_RUN_PATH'
+
+	case $cc_basename in
+          CC*)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~
+              '"$_LT_TAGVAR(old_archive_cmds, $1)"
+	    _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~
+              '"$_LT_TAGVAR(reload_cmds, $1)"
+	    ;;
+	  *)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    ;;
+	esac
+      ;;
+
+      tandem*)
+        case $cc_basename in
+          NCC*)
+	    # NonStop-UX NCC 3.20
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      vxworks*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      *)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+    esac
+
+    AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+    test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
+
+    _LT_TAGVAR(GCC, $1)=$GXX
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+  LDCXX=$LD
+  LD=$lt_save_LD
+  GCC=$lt_save_GCC
+  with_gnu_ld=$lt_save_with_gnu_ld
+  lt_cv_path_LDCXX=$lt_cv_path_LD
+  lt_cv_path_LD=$lt_save_path_LD
+  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+fi # test yes != "$_lt_caught_CXX_error"
+
+AC_LANG_POP
+])# _LT_LANG_CXX_CONFIG
+
+
+# _LT_FUNC_STRIPNAME_CNF
+# ----------------------
+# func_stripname_cnf prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+#
+# This function is identical to the (non-XSI) version of func_stripname,
+# except this one can be used by m4 code that may be executed by configure,
+# rather than the libtool script.
+m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl
+AC_REQUIRE([_LT_DECL_SED])
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])
+func_stripname_cnf ()
+{
+  case @S|@2 in
+  .*) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%\\\\@S|@2\$%%"`;;
+  *)  func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%@S|@2\$%%"`;;
+  esac
+} # func_stripname_cnf
+])# _LT_FUNC_STRIPNAME_CNF
+
+
+# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
+# ---------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+m4_defun([_LT_SYS_HIDDEN_LIBDEPS],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl
+# Dependencies to place before and after the object being linked:
+_LT_TAGVAR(predep_objects, $1)=
+_LT_TAGVAR(postdep_objects, $1)=
+_LT_TAGVAR(predeps, $1)=
+_LT_TAGVAR(postdeps, $1)=
+_LT_TAGVAR(compiler_lib_search_path, $1)=
+
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library.  It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF
+int a;
+void foo (void) { a = 0; }
+_LT_EOF
+], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF
+class Foo
+{
+public:
+  Foo (void) { a = 0; }
+private:
+  int a;
+};
+_LT_EOF
+], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer*4 a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF
+public class foo {
+  private int a;
+  public void bar (void) {
+    a = 0;
+  }
+};
+_LT_EOF
+], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF
+package foo
+func foo() {
+}
+_LT_EOF
+])
+
+_lt_libdeps_save_CFLAGS=$CFLAGS
+case "$CC $CFLAGS " in #(
+*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
+*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
+esac
+
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  for p in `eval "$output_verbose_link_cmd"`; do
+    case $prev$p in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test x-L = "$p" ||
+          test x-R = "$p"; then
+	 prev=$p
+	 continue
+       fi
+
+       # Expand the sysroot to ease extracting the directories later.
+       if test -z "$prev"; then
+         case $p in
+         -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
+         -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
+         -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
+         esac
+       fi
+       case $p in
+       =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
+       esac
+       if test no = "$pre_test_object_deps_done"; then
+	 case $prev in
+	 -L | -R)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
+	     _LT_TAGVAR(compiler_lib_search_path, $1)=$prev$p
+	   else
+	     _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} $prev$p"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$_LT_TAGVAR(postdeps, $1)"; then
+	   _LT_TAGVAR(postdeps, $1)=$prev$p
+	 else
+	   _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} $prev$p"
+	 fi
+       fi
+       prev=
+       ;;
+
+    *.lto.$objext) ;; # Ignore GCC LTO objects
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test no = "$pre_test_object_deps_done"; then
+	 if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
+	   _LT_TAGVAR(predep_objects, $1)=$p
+	 else
+	   _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
+	 fi
+       else
+	 if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
+	   _LT_TAGVAR(postdep_objects, $1)=$p
+	 else
+	   _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$RM -f confest.$objext
+CFLAGS=$_lt_libdeps_save_CFLAGS
+
+# PORTME: override above test on systems where it is broken
+m4_if([$1], [CXX],
+[case $host_os in
+interix[[3-9]]*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  _LT_TAGVAR(predep_objects,$1)=
+  _LT_TAGVAR(postdep_objects,$1)=
+  _LT_TAGVAR(postdeps,$1)=
+  ;;
+esac
+])
+
+case " $_LT_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | $SED -e 's! -L! !g' -e 's!^ !!'`
+fi
+_LT_TAGDECL([], [compiler_lib_search_dirs], [1],
+    [The directories searched by this compiler when creating a shared library])
+_LT_TAGDECL([], [predep_objects], [1],
+    [Dependencies to place before and after the objects being linked to
+    create a shared library])
+_LT_TAGDECL([], [postdep_objects], [1])
+_LT_TAGDECL([], [predeps], [1])
+_LT_TAGDECL([], [postdeps], [1])
+_LT_TAGDECL([], [compiler_lib_search_path], [1],
+    [The library search path used internally by the compiler when linking
+    a shared library])
+])# _LT_SYS_HIDDEN_LIBDEPS
+
+
+# _LT_LANG_F77_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a Fortran 77 compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_F77_CONFIG],
+[AC_LANG_PUSH(Fortran 77)
+if test -z "$F77" || test no = "$F77"; then
+  _lt_disable_F77=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the F77 compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_disable_F77"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${F77-"f77"}
+  CFLAGS=$FFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+  GCC=$G77
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test no = "$can_build_shared" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test yes = "$enable_shared" && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test ia64 != "$host_cpu"; then
+	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+	  yes,aix,yes) ;;		# shared object as lib.so file only
+	  yes,svr4,*) ;;		# shared object as lib.so archive member only
+	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+	  esac
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test yes = "$enable_shared" || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)=$G77
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+fi # test yes != "$_lt_disable_F77"
+
+AC_LANG_POP
+])# _LT_LANG_F77_CONFIG
+
+
+# _LT_LANG_FC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for a Fortran compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_FC_CONFIG],
+[AC_LANG_PUSH(Fortran)
+
+if test -z "$FC" || test no = "$FC"; then
+  _lt_disable_FC=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for fc test sources.
+ac_ext=${ac_fc_srcext-f}
+
+# Object file extension for compiled fc test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the FC compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_disable_FC"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${FC-"f95"}
+  CFLAGS=$FCFLAGS
+  compiler=$CC
+  GCC=$ac_cv_fc_compiler_gnu
+
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test no = "$can_build_shared" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test yes = "$enable_shared" && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test ia64 != "$host_cpu"; then
+	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+	  yes,aix,yes) ;;		# shared object as lib.so file only
+	  yes,svr4,*) ;;		# shared object as lib.so archive member only
+	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+	  esac
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test yes = "$enable_shared" || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)=$ac_cv_fc_compiler_gnu
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+fi # test yes != "$_lt_disable_FC"
+
+AC_LANG_POP
+])# _LT_LANG_FC_CONFIG
+
+
+# _LT_LANG_GCJ_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Java Compiler compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_GCJ_CONFIG],
+[AC_REQUIRE([LT_PROG_GCJ])dnl
+AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GCJ-"gcj"}
+CFLAGS=$GCJFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)=$LD
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GCJ_CONFIG
+
+
+# _LT_LANG_GO_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Go compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_GO_CONFIG],
+[AC_REQUIRE([LT_PROG_GO])dnl
+AC_LANG_SAVE
+
+# Source file extension for Go test sources.
+ac_ext=go
+
+# Object file extension for compiled Go test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="package main; func main() { }"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='package main; func main() { }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GOC-"gccgo"}
+CFLAGS=$GOFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)=$LD
+_LT_CC_BASENAME([$compiler])
+
+# Go did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GO_CONFIG
+
+
+# _LT_LANG_RC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for the Windows resource compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_RC_CONFIG],
+[AC_REQUIRE([LT_PROG_RC])dnl
+AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code=$lt_simple_compile_test_code
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=
+CC=${RC-"windres"}
+CFLAGS=
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+if test -n "$compiler"; then
+  :
+  _LT_CONFIG($1)
+fi
+
+GCC=$lt_save_GCC
+AC_LANG_RESTORE
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_RC_CONFIG
+
+
+# LT_PROG_GCJ
+# -----------
+AC_DEFUN([LT_PROG_GCJ],
+[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
+  [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
+    [AC_CHECK_TOOL(GCJ, gcj,)
+      test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2"
+      AC_SUBST(GCJFLAGS)])])[]dnl
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
+
+
+# LT_PROG_GO
+# ----------
+AC_DEFUN([LT_PROG_GO],
+[AC_CHECK_TOOL(GOC, gccgo,)
+])
+
+
+# LT_PROG_RC
+# ----------
+AC_DEFUN([LT_PROG_RC],
+[AC_CHECK_TOOL(RC, windres,)
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_RC], [])
+
+
+# _LT_DECL_EGREP
+# --------------
+# If we don't have a new enough Autoconf to choose the best grep
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_EGREP],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_REQUIRE([AC_PROG_FGREP])dnl
+test -z "$GREP" && GREP=grep
+_LT_DECL([], [GREP], [1], [A grep program that handles long lines])
+_LT_DECL([], [EGREP], [1], [An ERE matcher])
+_LT_DECL([], [FGREP], [1], [A literal string matcher])
+dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
+AC_SUBST([GREP])
+])
+
+
+# _LT_DECL_OBJDUMP
+# --------------
+# If we don't have a new enough Autoconf to choose the best objdump
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_OBJDUMP],
+[AC_CHECK_TOOL(OBJDUMP, objdump, false)
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper])
+AC_SUBST([OBJDUMP])
+])
+
+# _LT_DECL_DLLTOOL
+# ----------------
+# Ensure DLLTOOL variable is set.
+m4_defun([_LT_DECL_DLLTOOL],
+[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])
+AC_SUBST([DLLTOOL])
+])
+
+# _LT_DECL_FILECMD
+# ----------------
+# Check for a file(cmd) program that can be used to detect file type and magic
+m4_defun([_LT_DECL_FILECMD],
+[AC_CHECK_TOOL([FILECMD], [file], [:])
+_LT_DECL([], [FILECMD], [1], [A file(cmd) program that detects file types])
+])# _LD_DECL_FILECMD
+
+# _LT_DECL_SED
+# ------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+m4_defun([_LT_DECL_SED],
+[AC_PROG_SED
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+_LT_DECL([], [SED], [1], [A sed program that does not truncate output])
+_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"],
+    [Sed that helps us avoid accidentally triggering echo(1) options like -n])
+])# _LT_DECL_SED
+
+m4_ifndef([AC_PROG_SED], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+
+m4_defun([AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for lt_ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
+        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+      fi
+    done
+  done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+  test ! -f "$lt_ac_sed" && continue
+  cat /dev/null > conftest.in
+  lt_ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+  # Check for GNU sed and select it if it is found.
+  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+    lt_cv_path_SED=$lt_ac_sed
+    break
+  fi
+  while true; do
+    cat conftest.in conftest.in >conftest.tmp
+    mv conftest.tmp conftest.in
+    cp conftest.in conftest.nl
+    echo >>conftest.nl
+    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+    cmp -s conftest.out conftest.nl || break
+    # 10000 chars as input seems more than enough
+    test 10 -lt "$lt_ac_count" && break
+    lt_ac_count=`expr $lt_ac_count + 1`
+    if test "$lt_ac_count" -gt "$lt_ac_max"; then
+      lt_ac_max=$lt_ac_count
+      lt_cv_path_SED=$lt_ac_sed
+    fi
+  done
+done
+])
+SED=$lt_cv_path_SED
+AC_SUBST([SED])
+AC_MSG_RESULT([$SED])
+])#AC_PROG_SED
+])#m4_ifndef
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_SED], [])
+
+
+# _LT_CHECK_SHELL_FEATURES
+# ------------------------
+# Find out whether the shell is Bourne or XSI compatible,
+# or has some other useful features.
+m4_defun([_LT_CHECK_SHELL_FEATURES],
+[if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl
+_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl
+])# _LT_CHECK_SHELL_FEATURES
+
+
+# _LT_PATH_CONVERSION_FUNCTIONS
+# -----------------------------
+# Determine what file name conversion functions should be used by
+# func_to_host_file (and, implicitly, by func_to_host_path).  These are needed
+# for certain cross-compile configurations and native mingw.
+m4_defun([_LT_PATH_CONVERSION_FUNCTIONS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_MSG_CHECKING([how to convert $build file names to $host format])
+AC_CACHE_VAL(lt_cv_to_host_file_cmd,
+[case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+        ;;
+    esac
+    ;;
+  *-*-cygwin* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_noop
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+        ;;
+    esac
+    ;;
+  * ) # unhandled hosts (and "normal" native builds)
+    lt_cv_to_host_file_cmd=func_convert_file_noop
+    ;;
+esac
+])
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+AC_MSG_RESULT([$lt_cv_to_host_file_cmd])
+_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd],
+         [0], [convert $build file names to $host format])dnl
+
+AC_MSG_CHECKING([how to convert $build file names to toolchain format])
+AC_CACHE_VAL(lt_cv_to_tool_file_cmd,
+[#assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+        ;;
+    esac
+    ;;
+esac
+])
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+AC_MSG_RESULT([$lt_cv_to_tool_file_cmd])
+_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd],
+         [0], [convert $build files to toolchain format])dnl
+])# _LT_PATH_CONVERSION_FUNCTIONS
diff --git a/aclocal/libxml2.m4 b/aclocal/libxml2.m4
new file mode 100644
index 0000000..8231553
--- /dev/null
+++ b/aclocal/libxml2.m4
@@ -0,0 +1,17 @@
+dnl Checks for libxml2.so
+AC_DEFUN([AC_LIBXML2], [
+
+  PKG_PROG_PKG_CONFIG([0.9.0])
+  AS_IF(
+    [test "$enable_junction" = "yes"],
+    [PKG_CHECK_MODULES([XML2], [libxml-2.0 >= 2.4],
+                       [LIBXML2="${XML2_LIBS}"
+                        AM_CPPFLAGS="${AM_CPPFLAGS} ${XML2_CFLAGS}"
+                        AC_DEFINE([HAVE_LIBXML2], [1],
+                                  [Define to 1 if you have and wish to use libxml2.])],
+                       [AC_MSG_ERROR([libxml2 not found.])])])
+
+  AC_SUBST([AM_CPPFLAGS])
+  AC_SUBST(LIBXML2)
+
+])dnl
diff --git a/aclocal/ltoptions.m4 b/aclocal/ltoptions.m4
new file mode 100644
index 0000000..b0b5e9c
--- /dev/null
+++ b/aclocal/ltoptions.m4
@@ -0,0 +1,437 @@
+# Helper functions for option handling.                    -*- Autoconf -*-
+#
+#   Copyright (C) 2004-2005, 2007-2009, 2011-2019, 2021-2022 Free
+#   Software Foundation, Inc.
+#   Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 8 ltoptions.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
+
+
+# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
+# ------------------------------------------
+m4_define([_LT_MANGLE_OPTION],
+[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
+
+
+# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
+# ---------------------------------------
+# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
+# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
+# saved as a flag.
+m4_define([_LT_SET_OPTION],
+[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
+m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
+        _LT_MANGLE_DEFUN([$1], [$2]),
+    [m4_warning([Unknown $1 option '$2'])])[]dnl
+])
+
+
+# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
+# ------------------------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+m4_define([_LT_IF_OPTION],
+[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
+
+
+# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
+# -------------------------------------------------------
+# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
+# are set.
+m4_define([_LT_UNLESS_OPTIONS],
+[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
+		      [m4_define([$0_found])])])[]dnl
+m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
+])[]dnl
+])
+
+
+# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
+# ----------------------------------------
+# OPTION-LIST is a space-separated list of Libtool options associated
+# with MACRO-NAME.  If any OPTION has a matching handler declared with
+# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
+# the unknown option and exit.
+m4_defun([_LT_SET_OPTIONS],
+[# Set options
+m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+    [_LT_SET_OPTION([$1], _LT_Option)])
+
+m4_if([$1],[LT_INIT],[
+  dnl
+  dnl Simply set some default values (i.e off) if boolean options were not
+  dnl specified:
+  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
+  ])
+  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
+  ])
+  dnl
+  dnl If no reference was made to various pairs of opposing options, then
+  dnl we run the default mode handler for the pair.  For example, if neither
+  dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
+  dnl archives by default:
+  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
+  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
+		   [_LT_ENABLE_FAST_INSTALL])
+  _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
+		   [_LT_WITH_AIX_SONAME([aix])])
+  ])
+])# _LT_SET_OPTIONS
+
+
+## --------------------------------- ##
+## Macros to handle LT_INIT options. ##
+## --------------------------------- ##
+
+# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
+# -----------------------------------------
+m4_define([_LT_MANGLE_DEFUN],
+[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
+
+
+# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
+# -----------------------------------------------
+m4_define([LT_OPTION_DEFINE],
+[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
+])# LT_OPTION_DEFINE
+
+
+# dlopen
+# ------
+LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
+])
+
+AU_DEFUN([AC_LIBTOOL_DLOPEN],
+[_LT_SET_OPTION([LT_INIT], [dlopen])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'dlopen' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
+
+
+# win32-dll
+# ---------
+# Declare package support for building win32 dll's.
+LT_OPTION_DEFINE([LT_INIT], [win32-dll],
+[enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
+  ;;
+esac
+
+test -z "$AS" && AS=as
+_LT_DECL([], [AS],      [1], [Assembler program])dnl
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
+])# win32-dll
+
+AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+_LT_SET_OPTION([LT_INIT], [win32-dll])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'win32-dll' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
+
+
+# _LT_ENABLE_SHARED([DEFAULT])
+# ----------------------------
+# implement the --enable-shared flag, and supports the 'shared' and
+# 'disable-shared' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_SHARED],
+[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([shared],
+    [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+	[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
+
+    _LT_DECL([build_libtool_libs], [enable_shared], [0],
+	[Whether or not to build shared libraries])
+])# _LT_ENABLE_SHARED
+
+LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
+])
+
+AC_DEFUN([AC_DISABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], [disable-shared])
+])
+
+AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
+AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_SHARED], [])
+dnl AC_DEFUN([AM_DISABLE_SHARED], [])
+
+
+
+# _LT_ENABLE_STATIC([DEFAULT])
+# ----------------------------
+# implement the --enable-static flag, and support the 'static' and
+# 'disable-static' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_STATIC],
+[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+	[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
+
+    _LT_DECL([build_old_libs], [enable_static], [0],
+	[Whether or not to build static libraries])
+])# _LT_ENABLE_STATIC
+
+LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
+])
+
+AC_DEFUN([AC_DISABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], [disable-static])
+])
+
+AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
+AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_STATIC], [])
+dnl AC_DEFUN([AM_DISABLE_STATIC], [])
+
+
+
+# _LT_ENABLE_FAST_INSTALL([DEFAULT])
+# ----------------------------------
+# implement the --enable-fast-install flag, and support the 'fast-install'
+# and 'disable-fast-install' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_FAST_INSTALL],
+[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([fast-install],
+    [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+    [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
+
+_LT_DECL([fast_install], [enable_fast_install], [0],
+	 [Whether or not to optimize for fast installation])dnl
+])# _LT_ENABLE_FAST_INSTALL
+
+LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
+
+# Old names:
+AU_DEFUN([AC_ENABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the 'fast-install' option into LT_INIT's first parameter.])
+])
+
+AU_DEFUN([AC_DISABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the 'disable-fast-install' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
+dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
+
+
+# _LT_WITH_AIX_SONAME([DEFAULT])
+# ----------------------------------
+# implement the --with-aix-soname flag, and support the `aix-soname=aix'
+# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
+# is either `aix', `both' or `svr4'.  If omitted, it defaults to `aix'.
+m4_define([_LT_WITH_AIX_SONAME],
+[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
+shared_archive_member_spec=
+case $host,$enable_shared in
+power*-*-aix[[5-9]]*,yes)
+  AC_MSG_CHECKING([which variant of shared library versioning to provide])
+  AC_ARG_WITH([aix-soname],
+    [AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
+      [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
+    [case $withval in
+    aix|svr4|both)
+      ;;
+    *)
+      AC_MSG_ERROR([Unknown argument to --with-aix-soname])
+      ;;
+    esac
+    lt_cv_with_aix_soname=$with_aix_soname],
+    [AC_CACHE_VAL([lt_cv_with_aix_soname],
+      [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
+    with_aix_soname=$lt_cv_with_aix_soname])
+  AC_MSG_RESULT([$with_aix_soname])
+  if test aix != "$with_aix_soname"; then
+    # For the AIX way of multilib, we name the shared archive member
+    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
+    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
+    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
+    # the AIX toolchain works better with OBJECT_MODE set (default 32).
+    if test 64 = "${OBJECT_MODE-32}"; then
+      shared_archive_member_spec=shr_64
+    else
+      shared_archive_member_spec=shr
+    fi
+  fi
+  ;;
+*)
+  with_aix_soname=aix
+  ;;
+esac
+
+_LT_DECL([], [shared_archive_member_spec], [0],
+    [Shared archive member basename, for filename based shared library versioning on AIX])dnl
+])# _LT_WITH_AIX_SONAME
+
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
+
+
+# _LT_WITH_PIC([MODE])
+# --------------------
+# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
+# LT_INIT options.
+# MODE is either 'yes' or 'no'.  If omitted, it defaults to 'both'.
+m4_define([_LT_WITH_PIC],
+[AC_ARG_WITH([pic],
+    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
+	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+    [lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for lt_pkg in $withval; do
+	IFS=$lt_save_ifs
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [pic_mode=m4_default([$1], [default])])
+
+_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
+])# _LT_WITH_PIC
+
+LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
+
+# Old name:
+AU_DEFUN([AC_LIBTOOL_PICMODE],
+[_LT_SET_OPTION([LT_INIT], [pic-only])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'pic-only' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
+
+## ----------------- ##
+## LTDL_INIT Options ##
+## ----------------- ##
+
+m4_define([_LTDL_MODE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
+		 [m4_define([_LTDL_MODE], [nonrecursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [recursive],
+		 [m4_define([_LTDL_MODE], [recursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [subproject],
+		 [m4_define([_LTDL_MODE], [subproject])])
+
+m4_define([_LTDL_TYPE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [installable],
+		 [m4_define([_LTDL_TYPE], [installable])])
+LT_OPTION_DEFINE([LTDL_INIT], [convenience],
+		 [m4_define([_LTDL_TYPE], [convenience])])
diff --git a/aclocal/ltsugar.m4 b/aclocal/ltsugar.m4
new file mode 100644
index 0000000..902508b
--- /dev/null
+++ b/aclocal/ltsugar.m4
@@ -0,0 +1,124 @@
+# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
+#
+# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software
+# Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 6 ltsugar.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
+
+
+# lt_join(SEP, ARG1, [ARG2...])
+# -----------------------------
+# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
+# associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
+m4_define([lt_join],
+[m4_if([$#], [1], [],
+       [$#], [2], [[$2]],
+       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
+m4_define([_lt_join],
+[m4_if([$#$2], [2], [],
+       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
+
+
+# lt_car(LIST)
+# lt_cdr(LIST)
+# ------------
+# Manipulate m4 lists.
+# These macros are necessary as long as will still need to support
+# Autoconf-2.59, which quotes differently.
+m4_define([lt_car], [[$1]])
+m4_define([lt_cdr],
+[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
+       [$#], 1, [],
+       [m4_dquote(m4_shift($@))])])
+m4_define([lt_unquote], $1)
+
+
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
+m4_define([lt_append],
+[m4_define([$1],
+	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
+# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
+# ----------------------------------------------------------
+# Produce a SEP delimited list of all paired combinations of elements of
+# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
+# has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
+m4_define([lt_combine],
+[m4_if(m4_eval([$# > 3]), [1],
+       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+	     [m4_foreach([_Lt_suffix],
+		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
+
+
+# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
+# -----------------------------------------------------------------------
+# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
+# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
+m4_define([lt_if_append_uniq],
+[m4_ifdef([$1],
+	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+		 [lt_append([$1], [$2], [$3])$4],
+		 [$5])],
+	  [lt_append([$1], [$2], [$3])$4])])
+
+
+# lt_dict_add(DICT, KEY, VALUE)
+# -----------------------------
+m4_define([lt_dict_add],
+[m4_define([$1($2)], [$3])])
+
+
+# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
+# --------------------------------------------
+m4_define([lt_dict_add_subkey],
+[m4_define([$1($2:$3)], [$4])])
+
+
+# lt_dict_fetch(DICT, KEY, [SUBKEY])
+# ----------------------------------
+m4_define([lt_dict_fetch],
+[m4_ifval([$3],
+	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
+    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
+
+
+# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
+# -----------------------------------------------------------------
+m4_define([lt_if_dict_fetch],
+[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
+	[$5],
+    [$6])])
+
+
+# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
+# --------------------------------------------------------------
+m4_define([lt_dict_filter],
+[m4_if([$5], [], [],
+  [lt_join(m4_quote(m4_default([$4], [[, ]])),
+           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
+		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
+])
diff --git a/aclocal/ltversion.m4 b/aclocal/ltversion.m4
new file mode 100644
index 0000000..b155d0a
--- /dev/null
+++ b/aclocal/ltversion.m4
@@ -0,0 +1,24 @@
+# ltversion.m4 -- version numbers			-*- Autoconf -*-
+#
+#   Copyright (C) 2004, 2011-2019, 2021-2022 Free Software Foundation,
+#   Inc.
+#   Written by Scott James Remnant, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# @configure_input@
+
+# serial 4245 ltversion.m4
+# This file is part of GNU Libtool
+
+m4_define([LT_PACKAGE_VERSION], [2.4.7])
+m4_define([LT_PACKAGE_REVISION], [2.4.7])
+
+AC_DEFUN([LTVERSION_VERSION],
+[macro_version='2.4.7'
+macro_revision='2.4.7'
+_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
+_LT_DECL(, macro_revision, 0)
+])
diff --git a/aclocal/lt~obsolete.m4 b/aclocal/lt~obsolete.m4
new file mode 100644
index 0000000..0f7a875
--- /dev/null
+++ b/aclocal/lt~obsolete.m4
@@ -0,0 +1,99 @@
+# lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
+#
+#   Copyright (C) 2004-2005, 2007, 2009, 2011-2019, 2021-2022 Free
+#   Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004.
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 5 lt~obsolete.m4
+
+# These exist entirely to fool aclocal when bootstrapping libtool.
+#
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
+# which have later been changed to m4_define as they aren't part of the
+# exported API, or moved to Autoconf or Automake where they belong.
+#
+# The trouble is, aclocal is a bit thick.  It'll see the old AC_DEFUN
+# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
+# using a macro with the same name in our local m4/libtool.m4 it'll
+# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
+# and doesn't know about Autoconf macros at all.)
+#
+# So we provide this file, which has a silly filename so it's always
+# included after everything else.  This provides aclocal with the
+# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
+# because those macros already exist, or will be overwritten later.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
+#
+# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
+# Yes, that means every name once taken will need to remain here until
+# we give up compatibility with versions before 1.7, at which point
+# we need to keep only those names which we still refer to.
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
+
+m4_ifndef([AC_LIBTOOL_LINKER_OPTION],	[AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
+m4_ifndef([AC_PROG_EGREP],		[AC_DEFUN([AC_PROG_EGREP])])
+m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_AC_SHELL_INIT],		[AC_DEFUN([_LT_AC_SHELL_INIT])])
+m4_ifndef([_LT_AC_SYS_LIBPATH_AIX],	[AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
+m4_ifndef([_LT_PROG_LTMAIN],		[AC_DEFUN([_LT_PROG_LTMAIN])])
+m4_ifndef([_LT_AC_TAGVAR],		[AC_DEFUN([_LT_AC_TAGVAR])])
+m4_ifndef([AC_LTDL_ENABLE_INSTALL],	[AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
+m4_ifndef([AC_LTDL_PREOPEN],		[AC_DEFUN([AC_LTDL_PREOPEN])])
+m4_ifndef([_LT_AC_SYS_COMPILER],	[AC_DEFUN([_LT_AC_SYS_COMPILER])])
+m4_ifndef([_LT_AC_LOCK],		[AC_DEFUN([_LT_AC_LOCK])])
+m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE],	[AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
+m4_ifndef([_LT_AC_TRY_DLOPEN_SELF],	[AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
+m4_ifndef([AC_LIBTOOL_PROG_CC_C_O],	[AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
+m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
+m4_ifndef([AC_LIBTOOL_OBJDIR],		[AC_DEFUN([AC_LIBTOOL_OBJDIR])])
+m4_ifndef([AC_LTDL_OBJDIR],		[AC_DEFUN([AC_LTDL_OBJDIR])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
+m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP],	[AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
+m4_ifndef([AC_PATH_MAGIC],		[AC_DEFUN([AC_PATH_MAGIC])])
+m4_ifndef([AC_PROG_LD_GNU],		[AC_DEFUN([AC_PROG_LD_GNU])])
+m4_ifndef([AC_PROG_LD_RELOAD_FLAG],	[AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
+m4_ifndef([AC_DEPLIBS_CHECK_METHOD],	[AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
+m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS],	[AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
+m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP],	[AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
+m4_ifndef([LT_AC_PROG_EGREP],		[AC_DEFUN([LT_AC_PROG_EGREP])])
+m4_ifndef([LT_AC_PROG_SED],		[AC_DEFUN([LT_AC_PROG_SED])])
+m4_ifndef([_LT_CC_BASENAME],		[AC_DEFUN([_LT_CC_BASENAME])])
+m4_ifndef([_LT_COMPILER_BOILERPLATE],	[AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
+m4_ifndef([_LT_LINKER_BOILERPLATE],	[AC_DEFUN([_LT_LINKER_BOILERPLATE])])
+m4_ifndef([_AC_PROG_LIBTOOL],		[AC_DEFUN([_AC_PROG_LIBTOOL])])
+m4_ifndef([AC_LIBTOOL_SETUP],		[AC_DEFUN([AC_LIBTOOL_SETUP])])
+m4_ifndef([_LT_AC_CHECK_DLFCN],		[AC_DEFUN([_LT_AC_CHECK_DLFCN])])
+m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER],	[AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
+m4_ifndef([_LT_AC_TAGCONFIG],		[AC_DEFUN([_LT_AC_TAGCONFIG])])
+m4_ifndef([AC_DISABLE_FAST_INSTALL],	[AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
+m4_ifndef([_LT_AC_LANG_CXX],		[AC_DEFUN([_LT_AC_LANG_CXX])])
+m4_ifndef([_LT_AC_LANG_F77],		[AC_DEFUN([_LT_AC_LANG_F77])])
+m4_ifndef([_LT_AC_LANG_GCJ],		[AC_DEFUN([_LT_AC_LANG_GCJ])])
+m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
+m4_ifndef([_LT_AC_LANG_C_CONFIG],	[AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
+m4_ifndef([_LT_AC_LANG_CXX_CONFIG],	[AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
+m4_ifndef([_LT_AC_LANG_F77_CONFIG],	[AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
+m4_ifndef([_LT_AC_LANG_GCJ_CONFIG],	[AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
+m4_ifndef([_LT_AC_LANG_RC_CONFIG],	[AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
+m4_ifndef([AC_LIBTOOL_CONFIG],		[AC_DEFUN([AC_LIBTOOL_CONFIG])])
+m4_ifndef([_LT_AC_FILE_LTDLL_C],	[AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
+m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS],	[AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
+m4_ifndef([_LT_AC_PROG_CXXCPP],		[AC_DEFUN([_LT_AC_PROG_CXXCPP])])
+m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS],	[AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
+m4_ifndef([_LT_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_PROG_F77],		[AC_DEFUN([_LT_PROG_F77])])
+m4_ifndef([_LT_PROG_FC],		[AC_DEFUN([_LT_PROG_FC])])
+m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])
diff --git a/aclocal/nfs-utils.m4 b/aclocal/nfs-utils.m4
new file mode 100644
index 0000000..5f3ab0c
--- /dev/null
+++ b/aclocal/nfs-utils.m4
@@ -0,0 +1,16 @@
+dnl *********** GNU libc 2 ***************
+AC_DEFUN([AC_GNULIBC],[
+  AC_MSG_CHECKING(for GNU libc2)
+  AC_CACHE_VAL(knfsd_cv_glibc2,
+  [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
+      #include <features.h>
+      #if !defined(__GLIBC__)
+      # error Nope
+      #endif
+      ]])],[knfsd_cv_glibc2=yes],[knfsd_cv_glibc2=no])])
+  AC_MSG_RESULT($knfsd_cv_glibc2)
+  if test $knfsd_cv_glibc2 = yes; then
+    CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+    CPPFLAGS_FOR_BUILD="$CPPFLAGS_FOR_BUILD -D_GNU_SOURCE"
+  fi
+])
diff --git a/aclocal/rpcsec_vers.m4 b/aclocal/rpcsec_vers.m4
new file mode 100644
index 0000000..43e5a96
--- /dev/null
+++ b/aclocal/rpcsec_vers.m4
@@ -0,0 +1,16 @@
+dnl Checks librpcsec version
+AC_DEFUN([AC_RPCSEC_VERSION], [
+
+  AC_ARG_WITH([gssglue],
+	[AS_HELP_STRING([--with-gssglue],[Use libgssglue for GSS support])])
+  if test x"$with_gssglue" = x"yes"; then
+    PKG_CHECK_MODULES([GSSGLUE], [libgssglue >= 0.3])
+    AC_CHECK_LIB([gssglue], [gss_set_allowable_enctypes])
+  fi
+
+  dnl TI-RPC replaces librpcsecgss
+  if test "$enable_tirpc" = no; then
+    PKG_CHECK_MODULES([RPCSECGSS], [librpcsecgss >= 0.16])
+  fi
+
+])dnl
diff --git a/aclocal/tcp-wrappers.m4 b/aclocal/tcp-wrappers.m4
new file mode 100644
index 0000000..f5de8bc
--- /dev/null
+++ b/aclocal/tcp-wrappers.m4
@@ -0,0 +1,54 @@
+# Check whether user wants TCP wrappers support
+AC_DEFUN([AC_TCP_WRAPPERS],[
+  TCPW_MSG="no"
+  AC_ARG_WITH(tcp-wrappers,
+    [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
+                 (optionally in PATH)],
+    with_tcpw=$withval, with_tcpw=no)
+        if test "x$with_tcpw" != "xno" ; then
+            saved_LIBS="$LIBS"
+            saved_LDFLAGS="$LDFLAGS"
+            saved_CPPFLAGS="$CPPFLAGS"
+            if test -n "${with_tcpw}" -a "${with_tcpw}" != "yes"; then
+                if test -d "${with_tcpw}/lib"; then
+                    if test -n "${need_dash_r}"; then
+                        LDFLAGS="-L${with_tcpw}/lib -R${with_tcpw}/lib ${LDFLAGS}"
+                    else
+                        LDFLAGS="-L${with_tcpw}/lib ${LDFLAGS}"
+                    fi
+                else
+                    if test -n "${need_dash_r}"; then
+                        LDFLAGS="-L${with_tcpw} -R${with_tcpw} ${LDFLAGS}"
+                    else
+                        LDFLAGS="-L${with_tcpw} ${LDFLAGS}"
+                    fi
+                fi
+                if test -d "${with_tcpw}/include"; then
+                    CPPFLAGS="-I${with_tcpw}/include ${CPPFLAGS}"
+                else
+                    CPPFLAGS="-I${with_tcpw} ${CPPFLAGS}"
+                fi
+            fi
+            LIBWRAP="-lwrap"
+            LIBS="$LIBWRAP $LIBS"
+            AC_MSG_CHECKING(for libwrap)
+            AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+                #include <tcpd.h>
+                int deny_severity = 0, allow_severity = 0;
+                ]], [[hosts_access(0);]])],[
+                AC_MSG_RESULT(yes)
+                AC_SUBST(LIBWRAP)
+                AC_DEFINE([LIBWRAP], [1], [tcp-wrapper])
+                AC_DEFINE([HAVE_LIBWRAP], [1], [tcp-wrapper])
+                AC_DEFINE([HAVE_TCP_WRAPPER], [1], [tcp-wrapper])
+                TCPW_MSG="yes"
+                ],[
+                AC_MSG_ERROR([*** libwrap missing])
+                
+            ])
+            LIBS="$saved_LIBS"
+        fi
+  AC_SUBST(LIBWRAP)
+  AC_SUBST(HAVE_LIBWRAP)
+  AC_SUBST(HAVE_TCP_WRAPPER)
+])
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..9e8b89b
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,42 @@
+#!/bin/sh -e
+
+echo -n cleaning up .
+
+# Clean up the generated crud
+(
+	for FILE in compile config.guess config.sub depcomp install-sh ltmain.sh missing mkinstalldirs; do
+	    if test -f $FILE; then
+		rm -f $FILE
+	    fi
+	    echo -n .
+	done
+)
+
+for FILE in aclocal.m4 configure config.h.in; do
+    if test -f $FILE; then
+	rm -f $FILE
+    fi
+	echo -n .
+done
+
+for DIR in autom4te.cache; do
+    if test -d $DIR; then
+	rm -rf $DIR
+    fi
+	echo -n .
+done
+
+find . -type f -name 'Makefile.in' -print0 | xargs -r0  rm -f --
+find . -type f -name 'Makefile' -print0 | xargs -r0 rm -f --
+
+echo ' done'
+
+if test x"${1}" = x"clean"; then
+    exit
+fi
+
+aclocal -I aclocal
+libtoolize --force --copy
+autoheader
+automake --add-missing --copy --gnu # -Wall
+autoconf # -Wall
diff --git a/compile b/compile
new file mode 100755
index 0000000..df363c8
--- /dev/null
+++ b/compile
@@ -0,0 +1,348 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN* | MSYS*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/* | msys/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
+case $1 in
+  '')
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
+	# So we strip '-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no '-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # '.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/config.guess b/config.guess
new file mode 100755
index 0000000..c7f17e8
--- /dev/null
+++ b/config.guess
@@ -0,0 +1,1768 @@
+#!/usr/bin/sh
+# Attempt to guess a canonical system name.
+#   Copyright 1992-2022 Free Software Foundation, Inc.
+
+# shellcheck disable=SC2006,SC2268 # see below for rationale
+
+timestamp='2022-05-25'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
+#
+# Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
+#
+# You can get the latest version of this script from:
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
+#
+# Please send patches to <config-patches@gnu.org>.
+
+
+# The "shellcheck disable" line above the timestamp inhibits complaints
+# about features and limitations of the classic Bourne shell that were
+# superseded or lifted in POSIX.  However, this script identifies a wide
+# variety of pre-POSIX systems that do not have POSIX shells at all, and
+# even some reasonably current systems (Solaris 10 as case-in-point) still
+# have a pre-POSIX /bin/sh.
+
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Options:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright 1992-2022 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
+    * )
+       break ;;
+  esac
+done
+
+if test $# != 0; then
+  echo "$me: too many arguments$help" >&2
+  exit 1
+fi
+
+# Just in case it came from the environment.
+GUESS=
+
+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
+# compiler to aid in system detection is discouraged as it requires
+# temporary files to be created and, as you can see below, it is a
+# headache to deal with in a portable fashion.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# Portable tmp directory creation inspired by the Autoconf team.
+
+tmp=
+# shellcheck disable=SC2172
+trap 'test -z "$tmp" || rm -fr "$tmp"' 0 1 2 13 15
+
+set_cc_for_build() {
+    # prevent multiple calls if $tmp is already set
+    test "$tmp" && return 0
+    : "${TMPDIR=/tmp}"
+    # shellcheck disable=SC2039,SC3028
+    { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+	{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
+	{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+	{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
+    dummy=$tmp/dummy
+    case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
+	,,)    echo "int x;" > "$dummy.c"
+	       for driver in cc gcc c89 c99 ; do
+		   if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
+		       CC_FOR_BUILD=$driver
+		       break
+		   fi
+	       done
+	       if test x"$CC_FOR_BUILD" = x ; then
+		   CC_FOR_BUILD=no_compiler_found
+	       fi
+	       ;;
+	,,*)   CC_FOR_BUILD=$CC ;;
+	,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+    esac
+}
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi@noc.rutgers.edu 1994-08-24)
+if test -f /.attbin/uname ; then
+	PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+case $UNAME_SYSTEM in
+Linux|GNU|GNU/*)
+	LIBC=unknown
+
+	set_cc_for_build
+	cat <<-EOF > "$dummy.c"
+	#include <features.h>
+	#if defined(__UCLIBC__)
+	LIBC=uclibc
+	#elif defined(__dietlibc__)
+	LIBC=dietlibc
+	#elif defined(__GLIBC__)
+	LIBC=gnu
+	#else
+	#include <stdarg.h>
+	/* First heuristic to detect musl libc.  */
+	#ifdef __DEFINED_va_list
+	LIBC=musl
+	#endif
+	#endif
+	EOF
+	cc_set_libc=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
+	eval "$cc_set_libc"
+
+	# Second heuristic to detect musl libc.
+	if [ "$LIBC" = unknown ] &&
+	   command -v ldd >/dev/null &&
+	   ldd --version 2>&1 | grep -q ^musl; then
+		LIBC=musl
+	fi
+
+	# If the system lacks a compiler, then just pick glibc.
+	# We could probably try harder.
+	if [ "$LIBC" = unknown ]; then
+		LIBC=gnu
+	fi
+	;;
+esac
+
+# Note: order is significant - the case branches are not exclusive.
+
+case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
+    *:NetBSD:*:*)
+	# NetBSD (nbsd) targets should (where applicable) match one or
+	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
+	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
+	# switched to ELF, *-*-netbsd* would select the old
+	# object file format.  This provides both forward
+	# compatibility and a consistent mechanism for selecting the
+	# object file format.
+	#
+	# Note: NetBSD doesn't particularly care about the vendor
+	# portion of the name.  We always set it to "unknown".
+	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
+	    /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
+	    /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
+	    echo unknown)`
+	case $UNAME_MACHINE_ARCH in
+	    aarch64eb) machine=aarch64_be-unknown ;;
+	    armeb) machine=armeb-unknown ;;
+	    arm*) machine=arm-unknown ;;
+	    sh3el) machine=shl-unknown ;;
+	    sh3eb) machine=sh-unknown ;;
+	    sh5el) machine=sh5le-unknown ;;
+	    earmv*)
+		arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
+		endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
+		machine=${arch}${endian}-unknown
+		;;
+	    *) machine=$UNAME_MACHINE_ARCH-unknown ;;
+	esac
+	# The Operating System including object format, if it has switched
+	# to ELF recently (or will in the future) and ABI.
+	case $UNAME_MACHINE_ARCH in
+	    earm*)
+		os=netbsdelf
+		;;
+	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+		set_cc_for_build
+		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+			| grep -q __ELF__
+		then
+		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+		    # Return netbsd for either.  FIX?
+		    os=netbsd
+		else
+		    os=netbsdelf
+		fi
+		;;
+	    *)
+		os=netbsd
+		;;
+	esac
+	# Determine ABI tags.
+	case $UNAME_MACHINE_ARCH in
+	    earm*)
+		expr='s/^earmv[0-9]/-eabi/;s/eb$//'
+		abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
+		;;
+	esac
+	# The OS release
+	# Debian GNU/NetBSD machines have a different userland, and
+	# thus, need a distinct triplet. However, they do not need
+	# kernel version information, so it can be replaced with a
+	# suitable tag, in the style of linux-gnu.
+	case $UNAME_VERSION in
+	    Debian*)
+		release='-gnu'
+		;;
+	    *)
+		release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
+		;;
+	esac
+	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+	# contains redundant information, the shorter form:
+	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+	GUESS=$machine-${os}${release}${abi-}
+	;;
+    *:Bitrig:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+	GUESS=$UNAME_MACHINE_ARCH-unknown-bitrig$UNAME_RELEASE
+	;;
+    *:OpenBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+	GUESS=$UNAME_MACHINE_ARCH-unknown-openbsd$UNAME_RELEASE
+	;;
+    *:SecBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/SecBSD.//'`
+	GUESS=$UNAME_MACHINE_ARCH-unknown-secbsd$UNAME_RELEASE
+	;;
+    *:LibertyBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
+	GUESS=$UNAME_MACHINE_ARCH-unknown-libertybsd$UNAME_RELEASE
+	;;
+    *:MidnightBSD:*:*)
+	GUESS=$UNAME_MACHINE-unknown-midnightbsd$UNAME_RELEASE
+	;;
+    *:ekkoBSD:*:*)
+	GUESS=$UNAME_MACHINE-unknown-ekkobsd$UNAME_RELEASE
+	;;
+    *:SolidBSD:*:*)
+	GUESS=$UNAME_MACHINE-unknown-solidbsd$UNAME_RELEASE
+	;;
+    *:OS108:*:*)
+	GUESS=$UNAME_MACHINE-unknown-os108_$UNAME_RELEASE
+	;;
+    macppc:MirBSD:*:*)
+	GUESS=powerpc-unknown-mirbsd$UNAME_RELEASE
+	;;
+    *:MirBSD:*:*)
+	GUESS=$UNAME_MACHINE-unknown-mirbsd$UNAME_RELEASE
+	;;
+    *:Sortix:*:*)
+	GUESS=$UNAME_MACHINE-unknown-sortix
+	;;
+    *:Twizzler:*:*)
+	GUESS=$UNAME_MACHINE-unknown-twizzler
+	;;
+    *:Redox:*:*)
+	GUESS=$UNAME_MACHINE-unknown-redox
+	;;
+    mips:OSF1:*.*)
+	GUESS=mips-dec-osf1
+	;;
+    alpha:OSF1:*:*)
+	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
+	trap '' 0
+	case $UNAME_RELEASE in
+	*4.0)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+		;;
+	*5.*)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+		;;
+	esac
+	# According to Compaq, /usr/sbin/psrinfo has been available on
+	# OSF/1 and Tru64 systems produced since 1995.  I hope that
+	# covers most systems running today.  This code pipes the CPU
+	# types through head -n 1, so we only detect the type of CPU 0.
+	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+	case $ALPHA_CPU_TYPE in
+	    "EV4 (21064)")
+		UNAME_MACHINE=alpha ;;
+	    "EV4.5 (21064)")
+		UNAME_MACHINE=alpha ;;
+	    "LCA4 (21066/21068)")
+		UNAME_MACHINE=alpha ;;
+	    "EV5 (21164)")
+		UNAME_MACHINE=alphaev5 ;;
+	    "EV5.6 (21164A)")
+		UNAME_MACHINE=alphaev56 ;;
+	    "EV5.6 (21164PC)")
+		UNAME_MACHINE=alphapca56 ;;
+	    "EV5.7 (21164PC)")
+		UNAME_MACHINE=alphapca57 ;;
+	    "EV6 (21264)")
+		UNAME_MACHINE=alphaev6 ;;
+	    "EV6.7 (21264A)")
+		UNAME_MACHINE=alphaev67 ;;
+	    "EV6.8CB (21264C)")
+		UNAME_MACHINE=alphaev68 ;;
+	    "EV6.8AL (21264B)")
+		UNAME_MACHINE=alphaev68 ;;
+	    "EV6.8CX (21264D)")
+		UNAME_MACHINE=alphaev68 ;;
+	    "EV6.9A (21264/EV69A)")
+		UNAME_MACHINE=alphaev69 ;;
+	    "EV7 (21364)")
+		UNAME_MACHINE=alphaev7 ;;
+	    "EV7.9 (21364A)")
+		UNAME_MACHINE=alphaev79 ;;
+	esac
+	# A Pn.n version is a patched version.
+	# A Vn.n version is a released version.
+	# A Tn.n version is a released field test version.
+	# A Xn.n version is an unreleased experimental baselevel.
+	# 1.2 uses "1.2" for uname -r.
+	OSF_REL=`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+	GUESS=$UNAME_MACHINE-dec-osf$OSF_REL
+	;;
+    Amiga*:UNIX_System_V:4.0:*)
+	GUESS=m68k-unknown-sysv4
+	;;
+    *:[Aa]miga[Oo][Ss]:*:*)
+	GUESS=$UNAME_MACHINE-unknown-amigaos
+	;;
+    *:[Mm]orph[Oo][Ss]:*:*)
+	GUESS=$UNAME_MACHINE-unknown-morphos
+	;;
+    *:OS/390:*:*)
+	GUESS=i370-ibm-openedition
+	;;
+    *:z/VM:*:*)
+	GUESS=s390-ibm-zvmoe
+	;;
+    *:OS400:*:*)
+	GUESS=powerpc-ibm-os400
+	;;
+    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+	GUESS=arm-acorn-riscix$UNAME_RELEASE
+	;;
+    arm*:riscos:*:*|arm*:RISCOS:*:*)
+	GUESS=arm-unknown-riscos
+	;;
+    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+	GUESS=hppa1.1-hitachi-hiuxmpp
+	;;
+    Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+	case `(/bin/universe) 2>/dev/null` in
+	    att) GUESS=pyramid-pyramid-sysv3 ;;
+	    *)   GUESS=pyramid-pyramid-bsd   ;;
+	esac
+	;;
+    NILE*:*:*:dcosx)
+	GUESS=pyramid-pyramid-svr4
+	;;
+    DRS?6000:unix:4.0:6*)
+	GUESS=sparc-icl-nx6
+	;;
+    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+	case `/usr/bin/uname -p` in
+	    sparc) GUESS=sparc-icl-nx7 ;;
+	esac
+	;;
+    s390x:SunOS:*:*)
+	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
+	GUESS=$UNAME_MACHINE-ibm-solaris2$SUN_REL
+	;;
+    sun4H:SunOS:5.*:*)
+	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
+	GUESS=sparc-hal-solaris2$SUN_REL
+	;;
+    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
+	GUESS=sparc-sun-solaris2$SUN_REL
+	;;
+    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
+	GUESS=i386-pc-auroraux$UNAME_RELEASE
+	;;
+    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+	set_cc_for_build
+	SUN_ARCH=i386
+	# If there is a compiler, see if it is configured for 64-bit objects.
+	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
+	# This test works for both compilers.
+	if test "$CC_FOR_BUILD" != no_compiler_found; then
+	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
+		(CCOPTS="" $CC_FOR_BUILD -m64 -E - 2>/dev/null) | \
+		grep IS_64BIT_ARCH >/dev/null
+	    then
+		SUN_ARCH=x86_64
+	    fi
+	fi
+	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
+	GUESS=$SUN_ARCH-pc-solaris2$SUN_REL
+	;;
+    sun4*:SunOS:6*:*)
+	# According to config.sub, this is the proper way to canonicalize
+	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
+	# it's likely to be more like Solaris than SunOS4.
+	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
+	GUESS=sparc-sun-solaris3$SUN_REL
+	;;
+    sun4*:SunOS:*:*)
+	case `/usr/bin/arch -k` in
+	    Series*|S4*)
+		UNAME_RELEASE=`uname -v`
+		;;
+	esac
+	# Japanese Language versions have a version number like `4.1.3-JL'.
+	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/'`
+	GUESS=sparc-sun-sunos$SUN_REL
+	;;
+    sun3*:SunOS:*:*)
+	GUESS=m68k-sun-sunos$UNAME_RELEASE
+	;;
+    sun*:*:4.2BSD:*)
+	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
+	case `/bin/arch` in
+	    sun3)
+		GUESS=m68k-sun-sunos$UNAME_RELEASE
+		;;
+	    sun4)
+		GUESS=sparc-sun-sunos$UNAME_RELEASE
+		;;
+	esac
+	;;
+    aushp:SunOS:*:*)
+	GUESS=sparc-auspex-sunos$UNAME_RELEASE
+	;;
+    # The situation for MiNT is a little confusing.  The machine name
+    # can be virtually everything (everything which is not
+    # "atarist" or "atariste" at least should have a processor
+    # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
+    # to the lowercase version "mint" (or "freemint").  Finally
+    # the system name "TOS" denotes a system which is actually not
+    # MiNT.  But MiNT is downward compatible to TOS, so this should
+    # be no problem.
+    atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+	GUESS=m68k-atari-mint$UNAME_RELEASE
+	;;
+    atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+	GUESS=m68k-atari-mint$UNAME_RELEASE
+	;;
+    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+	GUESS=m68k-atari-mint$UNAME_RELEASE
+	;;
+    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+	GUESS=m68k-milan-mint$UNAME_RELEASE
+	;;
+    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+	GUESS=m68k-hades-mint$UNAME_RELEASE
+	;;
+    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+	GUESS=m68k-unknown-mint$UNAME_RELEASE
+	;;
+    m68k:machten:*:*)
+	GUESS=m68k-apple-machten$UNAME_RELEASE
+	;;
+    powerpc:machten:*:*)
+	GUESS=powerpc-apple-machten$UNAME_RELEASE
+	;;
+    RISC*:Mach:*:*)
+	GUESS=mips-dec-mach_bsd4.3
+	;;
+    RISC*:ULTRIX:*:*)
+	GUESS=mips-dec-ultrix$UNAME_RELEASE
+	;;
+    VAX*:ULTRIX*:*:*)
+	GUESS=vax-dec-ultrix$UNAME_RELEASE
+	;;
+    2020:CLIX:*:* | 2430:CLIX:*:*)
+	GUESS=clipper-intergraph-clix$UNAME_RELEASE
+	;;
+    mips:*:*:UMIPS | mips:*:*:RISCos)
+	set_cc_for_build
+	sed 's/^	//' << EOF > "$dummy.c"
+#ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
+	int main (int argc, char *argv[]) {
+#else
+	int main (argc, argv) int argc; char *argv[]; {
+#endif
+	#if defined (host_mips) && defined (MIPSEB)
+	#if defined (SYSTYPE_SYSV)
+	  printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_SVR4)
+	  printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+	  printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
+	#endif
+	#endif
+	  exit (-1);
+	}
+EOF
+	$CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
+	  dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+	  SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
+	    { echo "$SYSTEM_NAME"; exit; }
+	GUESS=mips-mips-riscos$UNAME_RELEASE
+	;;
+    Motorola:PowerMAX_OS:*:*)
+	GUESS=powerpc-motorola-powermax
+	;;
+    Motorola:*:4.3:PL8-*)
+	GUESS=powerpc-harris-powermax
+	;;
+    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+	GUESS=powerpc-harris-powermax
+	;;
+    Night_Hawk:Power_UNIX:*:*)
+	GUESS=powerpc-harris-powerunix
+	;;
+    m88k:CX/UX:7*:*)
+	GUESS=m88k-harris-cxux7
+	;;
+    m88k:*:4*:R4*)
+	GUESS=m88k-motorola-sysv4
+	;;
+    m88k:*:3*:R3*)
+	GUESS=m88k-motorola-sysv3
+	;;
+    AViiON:dgux:*:*)
+	# DG/UX returns AViiON for all architectures
+	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110
+	then
+	    if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \
+	       test "$TARGET_BINARY_INTERFACE"x = x
+	    then
+		GUESS=m88k-dg-dgux$UNAME_RELEASE
+	    else
+		GUESS=m88k-dg-dguxbcs$UNAME_RELEASE
+	    fi
+	else
+	    GUESS=i586-dg-dgux$UNAME_RELEASE
+	fi
+	;;
+    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+	GUESS=m88k-dolphin-sysv3
+	;;
+    M88*:*:R3*:*)
+	# Delta 88k system running SVR3
+	GUESS=m88k-motorola-sysv3
+	;;
+    XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+	GUESS=m88k-tektronix-sysv3
+	;;
+    Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+	GUESS=m68k-tektronix-bsd
+	;;
+    *:IRIX*:*:*)
+	IRIX_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/g'`
+	GUESS=mips-sgi-irix$IRIX_REL
+	;;
+    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+	GUESS=romp-ibm-aix    # uname -m gives an 8 hex-code CPU id
+	;;                    # Note that: echo "'`uname -s`'" gives 'AIX '
+    i*86:AIX:*:*)
+	GUESS=i386-ibm-aix
+	;;
+    ia64:AIX:*:*)
+	if test -x /usr/bin/oslevel ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
+	fi
+	GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV
+	;;
+    *:AIX:2:3)
+	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+		set_cc_for_build
+		sed 's/^		//' << EOF > "$dummy.c"
+		#include <sys/systemcfg.h>
+
+		main()
+			{
+			if (!__power_pc())
+				exit(1);
+			puts("powerpc-ibm-aix3.2.5");
+			exit(0);
+			}
+EOF
+		if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"`
+		then
+			GUESS=$SYSTEM_NAME
+		else
+			GUESS=rs6000-ibm-aix3.2.5
+		fi
+	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+		GUESS=rs6000-ibm-aix3.2.4
+	else
+		GUESS=rs6000-ibm-aix3.2
+	fi
+	;;
+    *:AIX:*:[4567])
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+	if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
+		IBM_ARCH=rs6000
+	else
+		IBM_ARCH=powerpc
+	fi
+	if test -x /usr/bin/lslpp ; then
+		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \
+			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
+	else
+		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
+	fi
+	GUESS=$IBM_ARCH-ibm-aix$IBM_REV
+	;;
+    *:AIX:*:*)
+	GUESS=rs6000-ibm-aix
+	;;
+    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
+	GUESS=romp-ibm-bsd4.4
+	;;
+    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
+	GUESS=romp-ibm-bsd$UNAME_RELEASE    # 4.3 with uname added to
+	;;                                  # report: romp-ibm BSD 4.3
+    *:BOSX:*:*)
+	GUESS=rs6000-bull-bosx
+	;;
+    DPX/2?00:B.O.S.:*:*)
+	GUESS=m68k-bull-sysv3
+	;;
+    9000/[34]??:4.3bsd:1.*:*)
+	GUESS=m68k-hp-bsd
+	;;
+    hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+	GUESS=m68k-hp-bsd4.4
+	;;
+    9000/[34678]??:HP-UX:*:*)
+	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
+	case $UNAME_MACHINE in
+	    9000/31?)            HP_ARCH=m68000 ;;
+	    9000/[34]??)         HP_ARCH=m68k ;;
+	    9000/[678][0-9][0-9])
+		if test -x /usr/bin/getconf; then
+		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+		    case $sc_cpu_version in
+		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
+		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
+		      532)                      # CPU_PA_RISC2_0
+			case $sc_kernel_bits in
+			  32) HP_ARCH=hppa2.0n ;;
+			  64) HP_ARCH=hppa2.0w ;;
+			  '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
+			esac ;;
+		    esac
+		fi
+		if test "$HP_ARCH" = ""; then
+		    set_cc_for_build
+		    sed 's/^		//' << EOF > "$dummy.c"
+
+		#define _HPUX_SOURCE
+		#include <stdlib.h>
+		#include <unistd.h>
+
+		int main ()
+		{
+		#if defined(_SC_KERNEL_BITS)
+		    long bits = sysconf(_SC_KERNEL_BITS);
+		#endif
+		    long cpu  = sysconf (_SC_CPU_VERSION);
+
+		    switch (cpu)
+			{
+			case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+			case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+			case CPU_PA_RISC2_0:
+		#if defined(_SC_KERNEL_BITS)
+			    switch (bits)
+				{
+				case 64: puts ("hppa2.0w"); break;
+				case 32: puts ("hppa2.0n"); break;
+				default: puts ("hppa2.0"); break;
+				} break;
+		#else  /* !defined(_SC_KERNEL_BITS) */
+			    puts ("hppa2.0"); break;
+		#endif
+			default: puts ("hppa1.0"); break;
+			}
+		    exit (0);
+		}
+EOF
+		    (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
+		    test -z "$HP_ARCH" && HP_ARCH=hppa
+		fi ;;
+	esac
+	if test "$HP_ARCH" = hppa2.0w
+	then
+	    set_cc_for_build
+
+	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
+	    # generating 64-bit code.  GNU and HP use different nomenclature:
+	    #
+	    # $ CC_FOR_BUILD=cc ./config.guess
+	    # => hppa2.0w-hp-hpux11.23
+	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+	    # => hppa64-hp-hpux11.23
+
+	    if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
+		grep -q __LP64__
+	    then
+		HP_ARCH=hppa2.0w
+	    else
+		HP_ARCH=hppa64
+	    fi
+	fi
+	GUESS=$HP_ARCH-hp-hpux$HPUX_REV
+	;;
+    ia64:HP-UX:*:*)
+	HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'`
+	GUESS=ia64-hp-hpux$HPUX_REV
+	;;
+    3050*:HI-UX:*:*)
+	set_cc_for_build
+	sed 's/^	//' << EOF > "$dummy.c"
+	#include <unistd.h>
+	int
+	main ()
+	{
+	  long cpu = sysconf (_SC_CPU_VERSION);
+	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
+	     results, however.  */
+	  if (CPU_IS_PA_RISC (cpu))
+	    {
+	      switch (cpu)
+		{
+		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+		  default: puts ("hppa-hitachi-hiuxwe2"); break;
+		}
+	    }
+	  else if (CPU_IS_HP_MC68K (cpu))
+	    puts ("m68k-hitachi-hiuxwe2");
+	  else puts ("unknown-hitachi-hiuxwe2");
+	  exit (0);
+	}
+EOF
+	$CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
+		{ echo "$SYSTEM_NAME"; exit; }
+	GUESS=unknown-hitachi-hiuxwe2
+	;;
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
+	GUESS=hppa1.1-hp-bsd
+	;;
+    9000/8??:4.3bsd:*:*)
+	GUESS=hppa1.0-hp-bsd
+	;;
+    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+	GUESS=hppa1.0-hp-mpeix
+	;;
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
+	GUESS=hppa1.1-hp-osf
+	;;
+    hp8??:OSF1:*:*)
+	GUESS=hppa1.0-hp-osf
+	;;
+    i*86:OSF1:*:*)
+	if test -x /usr/sbin/sysversion ; then
+	    GUESS=$UNAME_MACHINE-unknown-osf1mk
+	else
+	    GUESS=$UNAME_MACHINE-unknown-osf1
+	fi
+	;;
+    parisc*:Lites*:*:*)
+	GUESS=hppa1.1-hp-lites
+	;;
+    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+	GUESS=c1-convex-bsd
+	;;
+    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+	exit ;;
+    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+	GUESS=c34-convex-bsd
+	;;
+    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+	GUESS=c38-convex-bsd
+	;;
+    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+	GUESS=c4-convex-bsd
+	;;
+    CRAY*Y-MP:*:*:*)
+	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
+	GUESS=ymp-cray-unicos$CRAY_REL
+	;;
+    CRAY*[A-Z]90:*:*:*)
+	echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
+	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+	      -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*TS:*:*:*)
+	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
+	GUESS=t90-cray-unicos$CRAY_REL
+	;;
+    CRAY*T3E:*:*:*)
+	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
+	GUESS=alphaev5-cray-unicosmk$CRAY_REL
+	;;
+    CRAY*SV1:*:*:*)
+	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
+	GUESS=sv1-cray-unicos$CRAY_REL
+	;;
+    *:UNICOS/mp:*:*)
+	CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'`
+	GUESS=craynv-cray-unicosmp$CRAY_REL
+	;;
+    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+	FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
+	FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
+	GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
+	;;
+    5000:UNIX_System_V:4.*:*)
+	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
+	FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
+	GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}
+	;;
+    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+	GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE
+	;;
+    sparc*:BSD/OS:*:*)
+	GUESS=sparc-unknown-bsdi$UNAME_RELEASE
+	;;
+    *:BSD/OS:*:*)
+	GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE
+	;;
+    arm:FreeBSD:*:*)
+	UNAME_PROCESSOR=`uname -p`
+	set_cc_for_build
+	if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_PCS_VFP
+	then
+	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
+	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi
+	else
+	    FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
+	    GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf
+	fi
+	;;
+    *:FreeBSD:*:*)
+	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	case $UNAME_PROCESSOR in
+	    amd64)
+		UNAME_PROCESSOR=x86_64 ;;
+	    i386)
+		UNAME_PROCESSOR=i586 ;;
+	esac
+	FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
+	GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL
+	;;
+    i*:CYGWIN*:*)
+	GUESS=$UNAME_MACHINE-pc-cygwin
+	;;
+    *:MINGW64*:*)
+	GUESS=$UNAME_MACHINE-pc-mingw64
+	;;
+    *:MINGW*:*)
+	GUESS=$UNAME_MACHINE-pc-mingw32
+	;;
+    *:MSYS*:*)
+	GUESS=$UNAME_MACHINE-pc-msys
+	;;
+    i*:PW*:*)
+	GUESS=$UNAME_MACHINE-pc-pw32
+	;;
+    *:SerenityOS:*:*)
+        GUESS=$UNAME_MACHINE-pc-serenity
+        ;;
+    *:Interix*:*)
+	case $UNAME_MACHINE in
+	    x86)
+		GUESS=i586-pc-interix$UNAME_RELEASE
+		;;
+	    authenticamd | genuineintel | EM64T)
+		GUESS=x86_64-unknown-interix$UNAME_RELEASE
+		;;
+	    IA64)
+		GUESS=ia64-unknown-interix$UNAME_RELEASE
+		;;
+	esac ;;
+    i*:UWIN*:*)
+	GUESS=$UNAME_MACHINE-pc-uwin
+	;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+	GUESS=x86_64-pc-cygwin
+	;;
+    prep*:SunOS:5.*:*)
+	SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`
+	GUESS=powerpcle-unknown-solaris2$SUN_REL
+	;;
+    *:GNU:*:*)
+	# the GNU system
+	GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'`
+	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'`
+	GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL
+	;;
+    *:GNU/*:*:*)
+	# other systems with GNU libc and userland
+	GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"`
+	GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
+	GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC
+	;;
+    *:Minix:*:*)
+	GUESS=$UNAME_MACHINE-unknown-minix
+	;;
+    aarch64:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    aarch64_be:Linux:*:*)
+	UNAME_MACHINE=aarch64_be
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    alpha:Linux:*:*)
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in
+	  EV5)   UNAME_MACHINE=alphaev5 ;;
+	  EV56)  UNAME_MACHINE=alphaev56 ;;
+	  PCA56) UNAME_MACHINE=alphapca56 ;;
+	  PCA57) UNAME_MACHINE=alphapca56 ;;
+	  EV6)   UNAME_MACHINE=alphaev6 ;;
+	  EV67)  UNAME_MACHINE=alphaev67 ;;
+	  EV68*) UNAME_MACHINE=alphaev68 ;;
+	esac
+	objdump --private-headers /bin/sh | grep -q ld.so.1
+	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    arm*:Linux:*:*)
+	set_cc_for_build
+	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_EABI__
+	then
+	    GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	else
+	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
+		| grep -q __ARM_PCS_VFP
+	    then
+		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi
+	    else
+		GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf
+	    fi
+	fi
+	;;
+    avr32*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    cris:Linux:*:*)
+	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
+	;;
+    crisv32:Linux:*:*)
+	GUESS=$UNAME_MACHINE-axis-linux-$LIBC
+	;;
+    e2k:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    frv:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    hexagon:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    i*86:Linux:*:*)
+	GUESS=$UNAME_MACHINE-pc-linux-$LIBC
+	;;
+    ia64:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    k1om:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    m32r*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    m68*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    mips:Linux:*:* | mips64:Linux:*:*)
+	set_cc_for_build
+	IS_GLIBC=0
+	test x"${LIBC}" = xgnu && IS_GLIBC=1
+	sed 's/^	//' << EOF > "$dummy.c"
+	#undef CPU
+	#undef mips
+	#undef mipsel
+	#undef mips64
+	#undef mips64el
+	#if ${IS_GLIBC} && defined(_ABI64)
+	LIBCABI=gnuabi64
+	#else
+	#if ${IS_GLIBC} && defined(_ABIN32)
+	LIBCABI=gnuabin32
+	#else
+	LIBCABI=${LIBC}
+	#endif
+	#endif
+
+	#if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
+	CPU=mipsisa64r6
+	#else
+	#if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
+	CPU=mipsisa32r6
+	#else
+	#if defined(__mips64)
+	CPU=mips64
+	#else
+	CPU=mips
+	#endif
+	#endif
+	#endif
+
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+	MIPS_ENDIAN=el
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+	MIPS_ENDIAN=
+	#else
+	MIPS_ENDIAN=
+	#endif
+	#endif
+EOF
+	cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'`
+	eval "$cc_set_vars"
+	test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
+	;;
+    mips64el:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    openrisc*:Linux:*:*)
+	GUESS=or1k-unknown-linux-$LIBC
+	;;
+    or32:Linux:*:* | or1k*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    padre:Linux:*:*)
+	GUESS=sparc-unknown-linux-$LIBC
+	;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+	GUESS=hppa64-unknown-linux-$LIBC
+	;;
+    parisc:Linux:*:* | hppa:Linux:*:*)
+	# Look for CPU level
+	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+	  PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;;
+	  PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;;
+	  *)    GUESS=hppa-unknown-linux-$LIBC ;;
+	esac
+	;;
+    ppc64:Linux:*:*)
+	GUESS=powerpc64-unknown-linux-$LIBC
+	;;
+    ppc:Linux:*:*)
+	GUESS=powerpc-unknown-linux-$LIBC
+	;;
+    ppc64le:Linux:*:*)
+	GUESS=powerpc64le-unknown-linux-$LIBC
+	;;
+    ppcle:Linux:*:*)
+	GUESS=powerpcle-unknown-linux-$LIBC
+	;;
+    riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+	GUESS=$UNAME_MACHINE-ibm-linux-$LIBC
+	;;
+    sh64*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    sh*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    sparc:Linux:*:* | sparc64:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    tile*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    vax:Linux:*:*)
+	GUESS=$UNAME_MACHINE-dec-linux-$LIBC
+	;;
+    x86_64:Linux:*:*)
+	set_cc_for_build
+	CPU=$UNAME_MACHINE
+	LIBCABI=$LIBC
+	if test "$CC_FOR_BUILD" != no_compiler_found; then
+	    ABI=64
+	    sed 's/^	    //' << EOF > "$dummy.c"
+	    #ifdef __i386__
+	    ABI=x86
+	    #else
+	    #ifdef __ILP32__
+	    ABI=x32
+	    #endif
+	    #endif
+EOF
+	    cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'`
+	    eval "$cc_set_abi"
+	    case $ABI in
+		x86) CPU=i686 ;;
+		x32) LIBCABI=${LIBC}x32 ;;
+	    esac
+	fi
+	GUESS=$CPU-pc-linux-$LIBCABI
+	;;
+    xtensa*:Linux:*:*)
+	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	;;
+    i*86:DYNIX/ptx:4*:*)
+	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+	# earlier versions are messed up and put the nodename in both
+	# sysname and nodename.
+	GUESS=i386-sequent-sysv4
+	;;
+    i*86:UNIX_SV:4.2MP:2.*)
+	# Unixware is an offshoot of SVR4, but it has its own version
+	# number series starting with 2...
+	# I am not positive that other SVR4 systems won't match this,
+	# I just have to hope.  -- rms.
+	# Use sysv4.2uw... so that sysv4* matches it.
+	GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION
+	;;
+    i*86:OS/2:*:*)
+	# If we were able to find `uname', then EMX Unix compatibility
+	# is probably installed.
+	GUESS=$UNAME_MACHINE-pc-os2-emx
+	;;
+    i*86:XTS-300:*:STOP)
+	GUESS=$UNAME_MACHINE-unknown-stop
+	;;
+    i*86:atheos:*:*)
+	GUESS=$UNAME_MACHINE-unknown-atheos
+	;;
+    i*86:syllable:*:*)
+	GUESS=$UNAME_MACHINE-pc-syllable
+	;;
+    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
+	GUESS=i386-unknown-lynxos$UNAME_RELEASE
+	;;
+    i*86:*DOS:*:*)
+	GUESS=$UNAME_MACHINE-pc-msdosdjgpp
+	;;
+    i*86:*:4.*:*)
+	UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
+	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+		GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL
+	else
+		GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL
+	fi
+	;;
+    i*86:*:5:[678]*)
+	# UnixWare 7.x, OpenUNIX and OpenServer 6.
+	case `/bin/uname -X | grep "^Machine"` in
+	    *486*)	     UNAME_MACHINE=i486 ;;
+	    *Pentium)	     UNAME_MACHINE=i586 ;;
+	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+	esac
+	GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+	;;
+    i*86:*:3.2:*)
+	if test -f /usr/options/cb.name; then
+		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+		GUESS=$UNAME_MACHINE-pc-isc$UNAME_REL
+	elif /bin/uname -X 2>/dev/null >/dev/null ; then
+		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+			&& UNAME_MACHINE=i586
+		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL
+	else
+		GUESS=$UNAME_MACHINE-pc-sysv32
+	fi
+	;;
+    pc:*:*:*)
+	# Left here for compatibility:
+	# uname -m prints for DJGPP always 'pc', but it prints nothing about
+	# the processor, so we play safe by assuming i586.
+	# Note: whatever this is, it MUST be the same as what config.sub
+	# prints for the "djgpp" host, or else GDB configure will decide that
+	# this is a cross-build.
+	GUESS=i586-pc-msdosdjgpp
+	;;
+    Intel:Mach:3*:*)
+	GUESS=i386-pc-mach3
+	;;
+    paragon:*:*:*)
+	GUESS=i860-intel-osf1
+	;;
+    i860:*:4.*:*) # i860-SVR4
+	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+	  GUESS=i860-stardent-sysv$UNAME_RELEASE    # Stardent Vistra i860-SVR4
+	else # Add other i860-SVR4 vendors below as they are discovered.
+	  GUESS=i860-unknown-sysv$UNAME_RELEASE     # Unknown i860-SVR4
+	fi
+	;;
+    mini*:CTIX:SYS*5:*)
+	# "miniframe"
+	GUESS=m68010-convergent-sysv
+	;;
+    mc68k:UNIX:SYSTEM5:3.51m)
+	GUESS=m68k-convergent-sysv
+	;;
+    M680?0:D-NIX:5.3:*)
+	GUESS=m68k-diab-dnix
+	;;
+    M68*:*:R3V[5678]*:*)
+	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+    3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+	OS_REL=''
+	test -r /etc/.relid \
+	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	  && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
+    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4; exit; } ;;
+    NCR*:*:4.2:* | MPRAS*:*:4.2:*)
+	OS_REL='.3'
+	test -r /etc/.relid \
+	    && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	    && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
+	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
+    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+	GUESS=m68k-unknown-lynxos$UNAME_RELEASE
+	;;
+    mc68030:UNIX_System_V:4.*:*)
+	GUESS=m68k-atari-sysv4
+	;;
+    TSUNAMI:LynxOS:2.*:*)
+	GUESS=sparc-unknown-lynxos$UNAME_RELEASE
+	;;
+    rs6000:LynxOS:2.*:*)
+	GUESS=rs6000-unknown-lynxos$UNAME_RELEASE
+	;;
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
+	GUESS=powerpc-unknown-lynxos$UNAME_RELEASE
+	;;
+    SM[BE]S:UNIX_SV:*:*)
+	GUESS=mips-dde-sysv$UNAME_RELEASE
+	;;
+    RM*:ReliantUNIX-*:*:*)
+	GUESS=mips-sni-sysv4
+	;;
+    RM*:SINIX-*:*:*)
+	GUESS=mips-sni-sysv4
+	;;
+    *:SINIX-*:*:*)
+	if uname -p 2>/dev/null >/dev/null ; then
+		UNAME_MACHINE=`(uname -p) 2>/dev/null`
+		GUESS=$UNAME_MACHINE-sni-sysv4
+	else
+		GUESS=ns32k-sni-sysv
+	fi
+	;;
+    PENTIUM:*:4.0*:*)	# Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+			# says <Richard.M.Bartel@ccMail.Census.GOV>
+	GUESS=i586-unisys-sysv4
+	;;
+    *:UNIX_System_V:4*:FTX*)
+	# From Gerald Hewes <hewes@openmarket.com>.
+	# How about differentiating between stratus architectures? -djm
+	GUESS=hppa1.1-stratus-sysv4
+	;;
+    *:*:*:FTX*)
+	# From seanf@swdc.stratus.com.
+	GUESS=i860-stratus-sysv4
+	;;
+    i*86:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	GUESS=$UNAME_MACHINE-stratus-vos
+	;;
+    *:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	GUESS=hppa1.1-stratus-vos
+	;;
+    mc68*:A/UX:*:*)
+	GUESS=m68k-apple-aux$UNAME_RELEASE
+	;;
+    news*:NEWS-OS:6*:*)
+	GUESS=mips-sony-newsos6
+	;;
+    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+	if test -d /usr/nec; then
+		GUESS=mips-nec-sysv$UNAME_RELEASE
+	else
+		GUESS=mips-unknown-sysv$UNAME_RELEASE
+	fi
+	;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	GUESS=powerpc-be-beos
+	;;
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
+	GUESS=powerpc-apple-beos
+	;;
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
+	GUESS=i586-pc-beos
+	;;
+    BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
+	GUESS=i586-pc-haiku
+	;;
+    ppc:Haiku:*:*)	# Haiku running on Apple PowerPC
+	GUESS=powerpc-apple-haiku
+	;;
+    *:Haiku:*:*)	# Haiku modern gcc (not bound by BeOS compat)
+	GUESS=$UNAME_MACHINE-unknown-haiku
+	;;
+    SX-4:SUPER-UX:*:*)
+	GUESS=sx4-nec-superux$UNAME_RELEASE
+	;;
+    SX-5:SUPER-UX:*:*)
+	GUESS=sx5-nec-superux$UNAME_RELEASE
+	;;
+    SX-6:SUPER-UX:*:*)
+	GUESS=sx6-nec-superux$UNAME_RELEASE
+	;;
+    SX-7:SUPER-UX:*:*)
+	GUESS=sx7-nec-superux$UNAME_RELEASE
+	;;
+    SX-8:SUPER-UX:*:*)
+	GUESS=sx8-nec-superux$UNAME_RELEASE
+	;;
+    SX-8R:SUPER-UX:*:*)
+	GUESS=sx8r-nec-superux$UNAME_RELEASE
+	;;
+    SX-ACE:SUPER-UX:*:*)
+	GUESS=sxace-nec-superux$UNAME_RELEASE
+	;;
+    Power*:Rhapsody:*:*)
+	GUESS=powerpc-apple-rhapsody$UNAME_RELEASE
+	;;
+    *:Rhapsody:*:*)
+	GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE
+	;;
+    arm64:Darwin:*:*)
+	GUESS=aarch64-apple-darwin$UNAME_RELEASE
+	;;
+    *:Darwin:*:*)
+	UNAME_PROCESSOR=`uname -p`
+	case $UNAME_PROCESSOR in
+	    unknown) UNAME_PROCESSOR=powerpc ;;
+	esac
+	if command -v xcode-select > /dev/null 2> /dev/null && \
+		! xcode-select --print-path > /dev/null 2> /dev/null ; then
+	    # Avoid executing cc if there is no toolchain installed as
+	    # cc will be a stub that puts up a graphical alert
+	    # prompting the user to install developer tools.
+	    CC_FOR_BUILD=no_compiler_found
+	else
+	    set_cc_for_build
+	fi
+	if test "$CC_FOR_BUILD" != no_compiler_found; then
+	    if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		   grep IS_64BIT_ARCH >/dev/null
+	    then
+		case $UNAME_PROCESSOR in
+		    i386) UNAME_PROCESSOR=x86_64 ;;
+		    powerpc) UNAME_PROCESSOR=powerpc64 ;;
+		esac
+	    fi
+	    # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
+	    if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
+		   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		   grep IS_PPC >/dev/null
+	    then
+		UNAME_PROCESSOR=powerpc
+	    fi
+	elif test "$UNAME_PROCESSOR" = i386 ; then
+	    # uname -m returns i386 or x86_64
+	    UNAME_PROCESSOR=$UNAME_MACHINE
+	fi
+	GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE
+	;;
+    *:procnto*:*:* | *:QNX:[0123456789]*:*)
+	UNAME_PROCESSOR=`uname -p`
+	if test "$UNAME_PROCESSOR" = x86; then
+		UNAME_PROCESSOR=i386
+		UNAME_MACHINE=pc
+	fi
+	GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE
+	;;
+    *:QNX:*:4*)
+	GUESS=i386-pc-qnx
+	;;
+    NEO-*:NONSTOP_KERNEL:*:*)
+	GUESS=neo-tandem-nsk$UNAME_RELEASE
+	;;
+    NSE-*:NONSTOP_KERNEL:*:*)
+	GUESS=nse-tandem-nsk$UNAME_RELEASE
+	;;
+    NSR-*:NONSTOP_KERNEL:*:*)
+	GUESS=nsr-tandem-nsk$UNAME_RELEASE
+	;;
+    NSV-*:NONSTOP_KERNEL:*:*)
+	GUESS=nsv-tandem-nsk$UNAME_RELEASE
+	;;
+    NSX-*:NONSTOP_KERNEL:*:*)
+	GUESS=nsx-tandem-nsk$UNAME_RELEASE
+	;;
+    *:NonStop-UX:*:*)
+	GUESS=mips-compaq-nonstopux
+	;;
+    BS2000:POSIX*:*:*)
+	GUESS=bs2000-siemens-sysv
+	;;
+    DS/*:UNIX_System_V:*:*)
+	GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE
+	;;
+    *:Plan9:*:*)
+	# "uname -m" is not consistent, so use $cputype instead. 386
+	# is converted to i386 for consistency with other x86
+	# operating systems.
+	if test "${cputype-}" = 386; then
+	    UNAME_MACHINE=i386
+	elif test "x${cputype-}" != x; then
+	    UNAME_MACHINE=$cputype
+	fi
+	GUESS=$UNAME_MACHINE-unknown-plan9
+	;;
+    *:TOPS-10:*:*)
+	GUESS=pdp10-unknown-tops10
+	;;
+    *:TENEX:*:*)
+	GUESS=pdp10-unknown-tenex
+	;;
+    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+	GUESS=pdp10-dec-tops20
+	;;
+    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+	GUESS=pdp10-xkl-tops20
+	;;
+    *:TOPS-20:*:*)
+	GUESS=pdp10-unknown-tops20
+	;;
+    *:ITS:*:*)
+	GUESS=pdp10-unknown-its
+	;;
+    SEI:*:*:SEIUX)
+	GUESS=mips-sei-seiux$UNAME_RELEASE
+	;;
+    *:DragonFly:*:*)
+	DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'`
+	GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL
+	;;
+    *:*VMS:*:*)
+	UNAME_MACHINE=`(uname -p) 2>/dev/null`
+	case $UNAME_MACHINE in
+	    A*) GUESS=alpha-dec-vms ;;
+	    I*) GUESS=ia64-dec-vms ;;
+	    V*) GUESS=vax-dec-vms ;;
+	esac ;;
+    *:XENIX:*:SysV)
+	GUESS=i386-pc-xenix
+	;;
+    i*86:skyos:*:*)
+	SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`
+	GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL
+	;;
+    i*86:rdos:*:*)
+	GUESS=$UNAME_MACHINE-pc-rdos
+	;;
+    i*86:Fiwix:*:*)
+	GUESS=$UNAME_MACHINE-pc-fiwix
+	;;
+    *:AROS:*:*)
+	GUESS=$UNAME_MACHINE-unknown-aros
+	;;
+    x86_64:VMkernel:*:*)
+	GUESS=$UNAME_MACHINE-unknown-esx
+	;;
+    amd64:Isilon\ OneFS:*:*)
+	GUESS=x86_64-unknown-onefs
+	;;
+    *:Unleashed:*:*)
+	GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE
+	;;
+esac
+
+# Do we have a guess based on uname results?
+if test "x$GUESS" != x; then
+    echo "$GUESS"
+    exit
+fi
+
+# No uname command or uname output not recognized.
+set_cc_for_build
+cat > "$dummy.c" <<EOF
+#ifdef _SEQUENT_
+#include <sys/types.h>
+#include <sys/utsname.h>
+#endif
+#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
+#if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
+#include <signal.h>
+#if defined(_SIZE_T_) || defined(SIGLOST)
+#include <sys/utsname.h>
+#endif
+#endif
+#endif
+main ()
+{
+#if defined (sony)
+#if defined (MIPSEB)
+  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
+     I don't know....  */
+  printf ("mips-sony-bsd\n"); exit (0);
+#else
+#include <sys/param.h>
+  printf ("m68k-sony-newsos%s\n",
+#ifdef NEWSOS4
+  "4"
+#else
+  ""
+#endif
+  ); exit (0);
+#endif
+#endif
+
+#if defined (NeXT)
+#if !defined (__ARCHITECTURE__)
+#define __ARCHITECTURE__ "m68k"
+#endif
+  int version;
+  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
+  if (version < 4)
+    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
+  else
+    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
+  exit (0);
+#endif
+
+#if defined (MULTIMAX) || defined (n16)
+#if defined (UMAXV)
+  printf ("ns32k-encore-sysv\n"); exit (0);
+#else
+#if defined (CMU)
+  printf ("ns32k-encore-mach\n"); exit (0);
+#else
+  printf ("ns32k-encore-bsd\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (__386BSD__)
+  printf ("i386-pc-bsd\n"); exit (0);
+#endif
+
+#if defined (sequent)
+#if defined (i386)
+  printf ("i386-sequent-dynix\n"); exit (0);
+#endif
+#if defined (ns32000)
+  printf ("ns32k-sequent-dynix\n"); exit (0);
+#endif
+#endif
+
+#if defined (_SEQUENT_)
+  struct utsname un;
+
+  uname(&un);
+  if (strncmp(un.version, "V2", 2) == 0) {
+    printf ("i386-sequent-ptx2\n"); exit (0);
+  }
+  if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
+    printf ("i386-sequent-ptx1\n"); exit (0);
+  }
+  printf ("i386-sequent-ptx\n"); exit (0);
+#endif
+
+#if defined (vax)
+#if !defined (ultrix)
+#include <sys/param.h>
+#if defined (BSD)
+#if BSD == 43
+  printf ("vax-dec-bsd4.3\n"); exit (0);
+#else
+#if BSD == 199006
+  printf ("vax-dec-bsd4.3reno\n"); exit (0);
+#else
+  printf ("vax-dec-bsd\n"); exit (0);
+#endif
+#endif
+#else
+  printf ("vax-dec-bsd\n"); exit (0);
+#endif
+#else
+#if defined(_SIZE_T_) || defined(SIGLOST)
+  struct utsname un;
+  uname (&un);
+  printf ("vax-dec-ultrix%s\n", un.release); exit (0);
+#else
+  printf ("vax-dec-ultrix\n"); exit (0);
+#endif
+#endif
+#endif
+#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
+#if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
+#if defined(_SIZE_T_) || defined(SIGLOST)
+  struct utsname *un;
+  uname (&un);
+  printf ("mips-dec-ultrix%s\n", un.release); exit (0);
+#else
+  printf ("mips-dec-ultrix\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (alliant) && defined (i860)
+  printf ("i860-alliant-bsd\n"); exit (0);
+#endif
+
+  exit (1);
+}
+EOF
+
+$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` &&
+	{ echo "$SYSTEM_NAME"; exit; }
+
+# Apollos put the system type in the environment.
+test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; }
+
+echo "$0: unable to guess system type" >&2
+
+case $UNAME_MACHINE:$UNAME_SYSTEM in
+    mips:Linux | mips64:Linux)
+	# If we got here on MIPS GNU/Linux, output extra information.
+	cat >&2 <<EOF
+
+NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
+the system type. Please install a C compiler and try again.
+EOF
+	;;
+esac
+
+cat >&2 <<EOF
+
+This script (version $timestamp), has failed to recognize the
+operating system you are using. If your script is old, overwrite *all*
+copies of config.guess and config.sub with the latest versions from:
+
+  https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
+and
+  https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
+EOF
+
+our_year=`echo $timestamp | sed 's,-.*,,'`
+thisyear=`date +%Y`
+# shellcheck disable=SC2003
+script_age=`expr "$thisyear" - "$our_year"`
+if test "$script_age" -lt 3 ; then
+   cat >&2 <<EOF
+
+If $0 has already been updated, send the following data and any
+information you think might be pertinent to config-patches@gnu.org to
+provide the necessary information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo               = `(hostinfo) 2>/dev/null`
+/bin/universe          = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch              = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = "$UNAME_MACHINE"
+UNAME_RELEASE = "$UNAME_RELEASE"
+UNAME_SYSTEM  = "$UNAME_SYSTEM"
+UNAME_VERSION = "$UNAME_VERSION"
+EOF
+fi
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/config.sub b/config.sub
new file mode 100755
index 0000000..b41da55
--- /dev/null
+++ b/config.sub
@@ -0,0 +1,1890 @@
+#!/usr/bin/sh
+# Configuration validation subroutine script.
+#   Copyright 1992-2022 Free Software Foundation, Inc.
+
+# shellcheck disable=SC2006,SC2268 # see below for rationale
+
+timestamp='2022-01-03'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
+
+
+# Please send patches to <config-patches@gnu.org>.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# You can get the latest version of this script from:
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support.  The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+#	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+# The "shellcheck disable" line above the timestamp inhibits complaints
+# about features and limitations of the classic Bourne shell that were
+# superseded or lifted in POSIX.  However, this script identifies a wide
+# variety of pre-POSIX systems that do not have POSIX shells at all, and
+# even some reasonably current systems (Solaris 10 as case-in-point) still
+# have a pre-POSIX /bin/sh.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
+
+Canonicalize a configuration name.
+
+Options:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright 1992-2022 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
+
+    *local*)
+       # First pass through any local machine types.
+       echo "$1"
+       exit ;;
+
+    * )
+       break ;;
+  esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+    exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+    exit 1;;
+esac
+
+# Split fields of configuration type
+# shellcheck disable=SC2162
+saved_IFS=$IFS
+IFS="-" read field1 field2 field3 field4 <<EOF
+$1
+EOF
+IFS=$saved_IFS
+
+# Separate into logical components for further validation
+case $1 in
+	*-*-*-*-*)
+		echo Invalid configuration \`"$1"\': more than four components >&2
+		exit 1
+		;;
+	*-*-*-*)
+		basic_machine=$field1-$field2
+		basic_os=$field3-$field4
+		;;
+	*-*-*)
+		# Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
+		# parts
+		maybe_os=$field2-$field3
+		case $maybe_os in
+			nto-qnx* | linux-* | uclinux-uclibc* \
+			| uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
+			| netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
+			| storm-chaos* | os2-emx* | rtmk-nova*)
+				basic_machine=$field1
+				basic_os=$maybe_os
+				;;
+			android-linux)
+				basic_machine=$field1-unknown
+				basic_os=linux-android
+				;;
+			*)
+				basic_machine=$field1-$field2
+				basic_os=$field3
+				;;
+		esac
+		;;
+	*-*)
+		# A lone config we happen to match not fitting any pattern
+		case $field1-$field2 in
+			decstation-3100)
+				basic_machine=mips-dec
+				basic_os=
+				;;
+			*-*)
+				# Second component is usually, but not always the OS
+				case $field2 in
+					# Prevent following clause from handling this valid os
+					sun*os*)
+						basic_machine=$field1
+						basic_os=$field2
+						;;
+					zephyr*)
+						basic_machine=$field1-unknown
+						basic_os=$field2
+						;;
+					# Manufacturers
+					dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
+					| att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
+					| unicom* | ibm* | next | hp | isi* | apollo | altos* \
+					| convergent* | ncr* | news | 32* | 3600* | 3100* \
+					| hitachi* | c[123]* | convex* | sun | crds | omron* | dg \
+					| ultra | tti* | harris | dolphin | highlevel | gould \
+					| cbm | ns | masscomp | apple | axis | knuth | cray \
+					| microblaze* | sim | cisco \
+					| oki | wec | wrs | winbond)
+						basic_machine=$field1-$field2
+						basic_os=
+						;;
+					*)
+						basic_machine=$field1
+						basic_os=$field2
+						;;
+				esac
+			;;
+		esac
+		;;
+	*)
+		# Convert single-component short-hands not valid as part of
+		# multi-component configurations.
+		case $field1 in
+			386bsd)
+				basic_machine=i386-pc
+				basic_os=bsd
+				;;
+			a29khif)
+				basic_machine=a29k-amd
+				basic_os=udi
+				;;
+			adobe68k)
+				basic_machine=m68010-adobe
+				basic_os=scout
+				;;
+			alliant)
+				basic_machine=fx80-alliant
+				basic_os=
+				;;
+			altos | altos3068)
+				basic_machine=m68k-altos
+				basic_os=
+				;;
+			am29k)
+				basic_machine=a29k-none
+				basic_os=bsd
+				;;
+			amdahl)
+				basic_machine=580-amdahl
+				basic_os=sysv
+				;;
+			amiga)
+				basic_machine=m68k-unknown
+				basic_os=
+				;;
+			amigaos | amigados)
+				basic_machine=m68k-unknown
+				basic_os=amigaos
+				;;
+			amigaunix | amix)
+				basic_machine=m68k-unknown
+				basic_os=sysv4
+				;;
+			apollo68)
+				basic_machine=m68k-apollo
+				basic_os=sysv
+				;;
+			apollo68bsd)
+				basic_machine=m68k-apollo
+				basic_os=bsd
+				;;
+			aros)
+				basic_machine=i386-pc
+				basic_os=aros
+				;;
+			aux)
+				basic_machine=m68k-apple
+				basic_os=aux
+				;;
+			balance)
+				basic_machine=ns32k-sequent
+				basic_os=dynix
+				;;
+			blackfin)
+				basic_machine=bfin-unknown
+				basic_os=linux
+				;;
+			cegcc)
+				basic_machine=arm-unknown
+				basic_os=cegcc
+				;;
+			convex-c1)
+				basic_machine=c1-convex
+				basic_os=bsd
+				;;
+			convex-c2)
+				basic_machine=c2-convex
+				basic_os=bsd
+				;;
+			convex-c32)
+				basic_machine=c32-convex
+				basic_os=bsd
+				;;
+			convex-c34)
+				basic_machine=c34-convex
+				basic_os=bsd
+				;;
+			convex-c38)
+				basic_machine=c38-convex
+				basic_os=bsd
+				;;
+			cray)
+				basic_machine=j90-cray
+				basic_os=unicos
+				;;
+			crds | unos)
+				basic_machine=m68k-crds
+				basic_os=
+				;;
+			da30)
+				basic_machine=m68k-da30
+				basic_os=
+				;;
+			decstation | pmax | pmin | dec3100 | decstatn)
+				basic_machine=mips-dec
+				basic_os=
+				;;
+			delta88)
+				basic_machine=m88k-motorola
+				basic_os=sysv3
+				;;
+			dicos)
+				basic_machine=i686-pc
+				basic_os=dicos
+				;;
+			djgpp)
+				basic_machine=i586-pc
+				basic_os=msdosdjgpp
+				;;
+			ebmon29k)
+				basic_machine=a29k-amd
+				basic_os=ebmon
+				;;
+			es1800 | OSE68k | ose68k | ose | OSE)
+				basic_machine=m68k-ericsson
+				basic_os=ose
+				;;
+			gmicro)
+				basic_machine=tron-gmicro
+				basic_os=sysv
+				;;
+			go32)
+				basic_machine=i386-pc
+				basic_os=go32
+				;;
+			h8300hms)
+				basic_machine=h8300-hitachi
+				basic_os=hms
+				;;
+			h8300xray)
+				basic_machine=h8300-hitachi
+				basic_os=xray
+				;;
+			h8500hms)
+				basic_machine=h8500-hitachi
+				basic_os=hms
+				;;
+			harris)
+				basic_machine=m88k-harris
+				basic_os=sysv3
+				;;
+			hp300 | hp300hpux)
+				basic_machine=m68k-hp
+				basic_os=hpux
+				;;
+			hp300bsd)
+				basic_machine=m68k-hp
+				basic_os=bsd
+				;;
+			hppaosf)
+				basic_machine=hppa1.1-hp
+				basic_os=osf
+				;;
+			hppro)
+				basic_machine=hppa1.1-hp
+				basic_os=proelf
+				;;
+			i386mach)
+				basic_machine=i386-mach
+				basic_os=mach
+				;;
+			isi68 | isi)
+				basic_machine=m68k-isi
+				basic_os=sysv
+				;;
+			m68knommu)
+				basic_machine=m68k-unknown
+				basic_os=linux
+				;;
+			magnum | m3230)
+				basic_machine=mips-mips
+				basic_os=sysv
+				;;
+			merlin)
+				basic_machine=ns32k-utek
+				basic_os=sysv
+				;;
+			mingw64)
+				basic_machine=x86_64-pc
+				basic_os=mingw64
+				;;
+			mingw32)
+				basic_machine=i686-pc
+				basic_os=mingw32
+				;;
+			mingw32ce)
+				basic_machine=arm-unknown
+				basic_os=mingw32ce
+				;;
+			monitor)
+				basic_machine=m68k-rom68k
+				basic_os=coff
+				;;
+			morphos)
+				basic_machine=powerpc-unknown
+				basic_os=morphos
+				;;
+			moxiebox)
+				basic_machine=moxie-unknown
+				basic_os=moxiebox
+				;;
+			msdos)
+				basic_machine=i386-pc
+				basic_os=msdos
+				;;
+			msys)
+				basic_machine=i686-pc
+				basic_os=msys
+				;;
+			mvs)
+				basic_machine=i370-ibm
+				basic_os=mvs
+				;;
+			nacl)
+				basic_machine=le32-unknown
+				basic_os=nacl
+				;;
+			ncr3000)
+				basic_machine=i486-ncr
+				basic_os=sysv4
+				;;
+			netbsd386)
+				basic_machine=i386-pc
+				basic_os=netbsd
+				;;
+			netwinder)
+				basic_machine=armv4l-rebel
+				basic_os=linux
+				;;
+			news | news700 | news800 | news900)
+				basic_machine=m68k-sony
+				basic_os=newsos
+				;;
+			news1000)
+				basic_machine=m68030-sony
+				basic_os=newsos
+				;;
+			necv70)
+				basic_machine=v70-nec
+				basic_os=sysv
+				;;
+			nh3000)
+				basic_machine=m68k-harris
+				basic_os=cxux
+				;;
+			nh[45]000)
+				basic_machine=m88k-harris
+				basic_os=cxux
+				;;
+			nindy960)
+				basic_machine=i960-intel
+				basic_os=nindy
+				;;
+			mon960)
+				basic_machine=i960-intel
+				basic_os=mon960
+				;;
+			nonstopux)
+				basic_machine=mips-compaq
+				basic_os=nonstopux
+				;;
+			os400)
+				basic_machine=powerpc-ibm
+				basic_os=os400
+				;;
+			OSE68000 | ose68000)
+				basic_machine=m68000-ericsson
+				basic_os=ose
+				;;
+			os68k)
+				basic_machine=m68k-none
+				basic_os=os68k
+				;;
+			paragon)
+				basic_machine=i860-intel
+				basic_os=osf
+				;;
+			parisc)
+				basic_machine=hppa-unknown
+				basic_os=linux
+				;;
+			psp)
+				basic_machine=mipsallegrexel-sony
+				basic_os=psp
+				;;
+			pw32)
+				basic_machine=i586-unknown
+				basic_os=pw32
+				;;
+			rdos | rdos64)
+				basic_machine=x86_64-pc
+				basic_os=rdos
+				;;
+			rdos32)
+				basic_machine=i386-pc
+				basic_os=rdos
+				;;
+			rom68k)
+				basic_machine=m68k-rom68k
+				basic_os=coff
+				;;
+			sa29200)
+				basic_machine=a29k-amd
+				basic_os=udi
+				;;
+			sei)
+				basic_machine=mips-sei
+				basic_os=seiux
+				;;
+			sequent)
+				basic_machine=i386-sequent
+				basic_os=
+				;;
+			sps7)
+				basic_machine=m68k-bull
+				basic_os=sysv2
+				;;
+			st2000)
+				basic_machine=m68k-tandem
+				basic_os=
+				;;
+			stratus)
+				basic_machine=i860-stratus
+				basic_os=sysv4
+				;;
+			sun2)
+				basic_machine=m68000-sun
+				basic_os=
+				;;
+			sun2os3)
+				basic_machine=m68000-sun
+				basic_os=sunos3
+				;;
+			sun2os4)
+				basic_machine=m68000-sun
+				basic_os=sunos4
+				;;
+			sun3)
+				basic_machine=m68k-sun
+				basic_os=
+				;;
+			sun3os3)
+				basic_machine=m68k-sun
+				basic_os=sunos3
+				;;
+			sun3os4)
+				basic_machine=m68k-sun
+				basic_os=sunos4
+				;;
+			sun4)
+				basic_machine=sparc-sun
+				basic_os=
+				;;
+			sun4os3)
+				basic_machine=sparc-sun
+				basic_os=sunos3
+				;;
+			sun4os4)
+				basic_machine=sparc-sun
+				basic_os=sunos4
+				;;
+			sun4sol2)
+				basic_machine=sparc-sun
+				basic_os=solaris2
+				;;
+			sun386 | sun386i | roadrunner)
+				basic_machine=i386-sun
+				basic_os=
+				;;
+			sv1)
+				basic_machine=sv1-cray
+				basic_os=unicos
+				;;
+			symmetry)
+				basic_machine=i386-sequent
+				basic_os=dynix
+				;;
+			t3e)
+				basic_machine=alphaev5-cray
+				basic_os=unicos
+				;;
+			t90)
+				basic_machine=t90-cray
+				basic_os=unicos
+				;;
+			toad1)
+				basic_machine=pdp10-xkl
+				basic_os=tops20
+				;;
+			tpf)
+				basic_machine=s390x-ibm
+				basic_os=tpf
+				;;
+			udi29k)
+				basic_machine=a29k-amd
+				basic_os=udi
+				;;
+			ultra3)
+				basic_machine=a29k-nyu
+				basic_os=sym1
+				;;
+			v810 | necv810)
+				basic_machine=v810-nec
+				basic_os=none
+				;;
+			vaxv)
+				basic_machine=vax-dec
+				basic_os=sysv
+				;;
+			vms)
+				basic_machine=vax-dec
+				basic_os=vms
+				;;
+			vsta)
+				basic_machine=i386-pc
+				basic_os=vsta
+				;;
+			vxworks960)
+				basic_machine=i960-wrs
+				basic_os=vxworks
+				;;
+			vxworks68)
+				basic_machine=m68k-wrs
+				basic_os=vxworks
+				;;
+			vxworks29k)
+				basic_machine=a29k-wrs
+				basic_os=vxworks
+				;;
+			xbox)
+				basic_machine=i686-pc
+				basic_os=mingw32
+				;;
+			ymp)
+				basic_machine=ymp-cray
+				basic_os=unicos
+				;;
+			*)
+				basic_machine=$1
+				basic_os=
+				;;
+		esac
+		;;
+esac
+
+# Decode 1-component or ad-hoc basic machines
+case $basic_machine in
+	# Here we handle the default manufacturer of certain CPU types.  It is in
+	# some cases the only manufacturer, in others, it is the most popular.
+	w89k)
+		cpu=hppa1.1
+		vendor=winbond
+		;;
+	op50n)
+		cpu=hppa1.1
+		vendor=oki
+		;;
+	op60c)
+		cpu=hppa1.1
+		vendor=oki
+		;;
+	ibm*)
+		cpu=i370
+		vendor=ibm
+		;;
+	orion105)
+		cpu=clipper
+		vendor=highlevel
+		;;
+	mac | mpw | mac-mpw)
+		cpu=m68k
+		vendor=apple
+		;;
+	pmac | pmac-mpw)
+		cpu=powerpc
+		vendor=apple
+		;;
+
+	# Recognize the various machine names and aliases which stand
+	# for a CPU type and a company and sometimes even an OS.
+	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+		cpu=m68000
+		vendor=att
+		;;
+	3b*)
+		cpu=we32k
+		vendor=att
+		;;
+	bluegene*)
+		cpu=powerpc
+		vendor=ibm
+		basic_os=cnk
+		;;
+	decsystem10* | dec10*)
+		cpu=pdp10
+		vendor=dec
+		basic_os=tops10
+		;;
+	decsystem20* | dec20*)
+		cpu=pdp10
+		vendor=dec
+		basic_os=tops20
+		;;
+	delta | 3300 | motorola-3300 | motorola-delta \
+	      | 3300-motorola | delta-motorola)
+		cpu=m68k
+		vendor=motorola
+		;;
+	dpx2*)
+		cpu=m68k
+		vendor=bull
+		basic_os=sysv3
+		;;
+	encore | umax | mmax)
+		cpu=ns32k
+		vendor=encore
+		;;
+	elxsi)
+		cpu=elxsi
+		vendor=elxsi
+		basic_os=${basic_os:-bsd}
+		;;
+	fx2800)
+		cpu=i860
+		vendor=alliant
+		;;
+	genix)
+		cpu=ns32k
+		vendor=ns
+		;;
+	h3050r* | hiux*)
+		cpu=hppa1.1
+		vendor=hitachi
+		basic_os=hiuxwe2
+		;;
+	hp3k9[0-9][0-9] | hp9[0-9][0-9])
+		cpu=hppa1.0
+		vendor=hp
+		;;
+	hp9k2[0-9][0-9] | hp9k31[0-9])
+		cpu=m68000
+		vendor=hp
+		;;
+	hp9k3[2-9][0-9])
+		cpu=m68k
+		vendor=hp
+		;;
+	hp9k6[0-9][0-9] | hp6[0-9][0-9])
+		cpu=hppa1.0
+		vendor=hp
+		;;
+	hp9k7[0-79][0-9] | hp7[0-79][0-9])
+		cpu=hppa1.1
+		vendor=hp
+		;;
+	hp9k78[0-9] | hp78[0-9])
+		# FIXME: really hppa2.0-hp
+		cpu=hppa1.1
+		vendor=hp
+		;;
+	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+		# FIXME: really hppa2.0-hp
+		cpu=hppa1.1
+		vendor=hp
+		;;
+	hp9k8[0-9][13679] | hp8[0-9][13679])
+		cpu=hppa1.1
+		vendor=hp
+		;;
+	hp9k8[0-9][0-9] | hp8[0-9][0-9])
+		cpu=hppa1.0
+		vendor=hp
+		;;
+	i*86v32)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=sysv32
+		;;
+	i*86v4*)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=sysv4
+		;;
+	i*86v)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=sysv
+		;;
+	i*86sol2)
+		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		vendor=pc
+		basic_os=solaris2
+		;;
+	j90 | j90-cray)
+		cpu=j90
+		vendor=cray
+		basic_os=${basic_os:-unicos}
+		;;
+	iris | iris4d)
+		cpu=mips
+		vendor=sgi
+		case $basic_os in
+		    irix*)
+			;;
+		    *)
+			basic_os=irix4
+			;;
+		esac
+		;;
+	miniframe)
+		cpu=m68000
+		vendor=convergent
+		;;
+	*mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
+		cpu=m68k
+		vendor=atari
+		basic_os=mint
+		;;
+	news-3600 | risc-news)
+		cpu=mips
+		vendor=sony
+		basic_os=newsos
+		;;
+	next | m*-next)
+		cpu=m68k
+		vendor=next
+		case $basic_os in
+		    openstep*)
+		        ;;
+		    nextstep*)
+			;;
+		    ns2*)
+		      basic_os=nextstep2
+			;;
+		    *)
+		      basic_os=nextstep3
+			;;
+		esac
+		;;
+	np1)
+		cpu=np1
+		vendor=gould
+		;;
+	op50n-* | op60c-*)
+		cpu=hppa1.1
+		vendor=oki
+		basic_os=proelf
+		;;
+	pa-hitachi)
+		cpu=hppa1.1
+		vendor=hitachi
+		basic_os=hiuxwe2
+		;;
+	pbd)
+		cpu=sparc
+		vendor=tti
+		;;
+	pbb)
+		cpu=m68k
+		vendor=tti
+		;;
+	pc532)
+		cpu=ns32k
+		vendor=pc532
+		;;
+	pn)
+		cpu=pn
+		vendor=gould
+		;;
+	power)
+		cpu=power
+		vendor=ibm
+		;;
+	ps2)
+		cpu=i386
+		vendor=ibm
+		;;
+	rm[46]00)
+		cpu=mips
+		vendor=siemens
+		;;
+	rtpc | rtpc-*)
+		cpu=romp
+		vendor=ibm
+		;;
+	sde)
+		cpu=mipsisa32
+		vendor=sde
+		basic_os=${basic_os:-elf}
+		;;
+	simso-wrs)
+		cpu=sparclite
+		vendor=wrs
+		basic_os=vxworks
+		;;
+	tower | tower-32)
+		cpu=m68k
+		vendor=ncr
+		;;
+	vpp*|vx|vx-*)
+		cpu=f301
+		vendor=fujitsu
+		;;
+	w65)
+		cpu=w65
+		vendor=wdc
+		;;
+	w89k-*)
+		cpu=hppa1.1
+		vendor=winbond
+		basic_os=proelf
+		;;
+	none)
+		cpu=none
+		vendor=none
+		;;
+	leon|leon[3-9])
+		cpu=sparc
+		vendor=$basic_machine
+		;;
+	leon-*|leon[3-9]-*)
+		cpu=sparc
+		vendor=`echo "$basic_machine" | sed 's/-.*//'`
+		;;
+
+	*-*)
+		# shellcheck disable=SC2162
+		saved_IFS=$IFS
+		IFS="-" read cpu vendor <<EOF
+$basic_machine
+EOF
+		IFS=$saved_IFS
+		;;
+	# We use `pc' rather than `unknown'
+	# because (1) that's what they normally are, and
+	# (2) the word "unknown" tends to confuse beginning users.
+	i*86 | x86_64)
+		cpu=$basic_machine
+		vendor=pc
+		;;
+	# These rules are duplicated from below for sake of the special case above;
+	# i.e. things that normalized to x86 arches should also default to "pc"
+	pc98)
+		cpu=i386
+		vendor=pc
+		;;
+	x64 | amd64)
+		cpu=x86_64
+		vendor=pc
+		;;
+	# Recognize the basic CPU types without company name.
+	*)
+		cpu=$basic_machine
+		vendor=unknown
+		;;
+esac
+
+unset -v basic_machine
+
+# Decode basic machines in the full and proper CPU-Company form.
+case $cpu-$vendor in
+	# Here we handle the default manufacturer of certain CPU types in canonical form. It is in
+	# some cases the only manufacturer, in others, it is the most popular.
+	craynv-unknown)
+		vendor=cray
+		basic_os=${basic_os:-unicosmp}
+		;;
+	c90-unknown | c90-cray)
+		vendor=cray
+		basic_os=${Basic_os:-unicos}
+		;;
+	fx80-unknown)
+		vendor=alliant
+		;;
+	romp-unknown)
+		vendor=ibm
+		;;
+	mmix-unknown)
+		vendor=knuth
+		;;
+	microblaze-unknown | microblazeel-unknown)
+		vendor=xilinx
+		;;
+	rs6000-unknown)
+		vendor=ibm
+		;;
+	vax-unknown)
+		vendor=dec
+		;;
+	pdp11-unknown)
+		vendor=dec
+		;;
+	we32k-unknown)
+		vendor=att
+		;;
+	cydra-unknown)
+		vendor=cydrome
+		;;
+	i370-ibm*)
+		vendor=ibm
+		;;
+	orion-unknown)
+		vendor=highlevel
+		;;
+	xps-unknown | xps100-unknown)
+		cpu=xps100
+		vendor=honeywell
+		;;
+
+	# Here we normalize CPU types with a missing or matching vendor
+	armh-unknown | armh-alt)
+		cpu=armv7l
+		vendor=alt
+		basic_os=${basic_os:-linux-gnueabihf}
+		;;
+	dpx20-unknown | dpx20-bull)
+		cpu=rs6000
+		vendor=bull
+		basic_os=${basic_os:-bosx}
+		;;
+
+	# Here we normalize CPU types irrespective of the vendor
+	amd64-*)
+		cpu=x86_64
+		;;
+	blackfin-*)
+		cpu=bfin
+		basic_os=linux
+		;;
+	c54x-*)
+		cpu=tic54x
+		;;
+	c55x-*)
+		cpu=tic55x
+		;;
+	c6x-*)
+		cpu=tic6x
+		;;
+	e500v[12]-*)
+		cpu=powerpc
+		basic_os=${basic_os}"spe"
+		;;
+	mips3*-*)
+		cpu=mips64
+		;;
+	ms1-*)
+		cpu=mt
+		;;
+	m68knommu-*)
+		cpu=m68k
+		basic_os=linux
+		;;
+	m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
+		cpu=s12z
+		;;
+	openrisc-*)
+		cpu=or32
+		;;
+	parisc-*)
+		cpu=hppa
+		basic_os=linux
+		;;
+	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+		cpu=i586
+		;;
+	pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
+		cpu=i686
+		;;
+	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+		cpu=i686
+		;;
+	pentium4-*)
+		cpu=i786
+		;;
+	pc98-*)
+		cpu=i386
+		;;
+	ppc-* | ppcbe-*)
+		cpu=powerpc
+		;;
+	ppcle-* | powerpclittle-*)
+		cpu=powerpcle
+		;;
+	ppc64-*)
+		cpu=powerpc64
+		;;
+	ppc64le-* | powerpc64little-*)
+		cpu=powerpc64le
+		;;
+	sb1-*)
+		cpu=mipsisa64sb1
+		;;
+	sb1el-*)
+		cpu=mipsisa64sb1el
+		;;
+	sh5e[lb]-*)
+		cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
+		;;
+	spur-*)
+		cpu=spur
+		;;
+	strongarm-* | thumb-*)
+		cpu=arm
+		;;
+	tx39-*)
+		cpu=mipstx39
+		;;
+	tx39el-*)
+		cpu=mipstx39el
+		;;
+	x64-*)
+		cpu=x86_64
+		;;
+	xscale-* | xscalee[bl]-*)
+		cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
+		;;
+	arm64-* | aarch64le-*)
+		cpu=aarch64
+		;;
+
+	# Recognize the canonical CPU Types that limit and/or modify the
+	# company names they are paired with.
+	cr16-*)
+		basic_os=${basic_os:-elf}
+		;;
+	crisv32-* | etraxfs*-*)
+		cpu=crisv32
+		vendor=axis
+		;;
+	cris-* | etrax*-*)
+		cpu=cris
+		vendor=axis
+		;;
+	crx-*)
+		basic_os=${basic_os:-elf}
+		;;
+	neo-tandem)
+		cpu=neo
+		vendor=tandem
+		;;
+	nse-tandem)
+		cpu=nse
+		vendor=tandem
+		;;
+	nsr-tandem)
+		cpu=nsr
+		vendor=tandem
+		;;
+	nsv-tandem)
+		cpu=nsv
+		vendor=tandem
+		;;
+	nsx-tandem)
+		cpu=nsx
+		vendor=tandem
+		;;
+	mipsallegrexel-sony)
+		cpu=mipsallegrexel
+		vendor=sony
+		;;
+	tile*-*)
+		basic_os=${basic_os:-linux-gnu}
+		;;
+
+	*)
+		# Recognize the canonical CPU types that are allowed with any
+		# company name.
+		case $cpu in
+			1750a | 580 \
+			| a29k \
+			| aarch64 | aarch64_be \
+			| abacus \
+			| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
+			| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
+			| alphapca5[67] | alpha64pca5[67] \
+			| am33_2.0 \
+			| amdgcn \
+			| arc | arceb | arc32 | arc64 \
+			| arm | arm[lb]e | arme[lb] | armv* \
+			| avr | avr32 \
+			| asmjs \
+			| ba \
+			| be32 | be64 \
+			| bfin | bpf | bs2000 \
+			| c[123]* | c30 | [cjt]90 | c4x \
+			| c8051 | clipper | craynv | csky | cydra \
+			| d10v | d30v | dlx | dsp16xx \
+			| e2k | elxsi | epiphany \
+			| f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
+			| h8300 | h8500 \
+			| hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+			| hexagon \
+			| i370 | i*86 | i860 | i960 | ia16 | ia64 \
+			| ip2k | iq2000 \
+			| k1om \
+			| le32 | le64 \
+			| lm32 \
+			| loongarch32 | loongarch64 | loongarchx32 \
+			| m32c | m32r | m32rle \
+			| m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
+			| m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
+			| m88110 | m88k | maxq | mb | mcore | mep | metag \
+			| microblaze | microblazeel \
+			| mips | mipsbe | mipseb | mipsel | mipsle \
+			| mips16 \
+			| mips64 | mips64eb | mips64el \
+			| mips64octeon | mips64octeonel \
+			| mips64orion | mips64orionel \
+			| mips64r5900 | mips64r5900el \
+			| mips64vr | mips64vrel \
+			| mips64vr4100 | mips64vr4100el \
+			| mips64vr4300 | mips64vr4300el \
+			| mips64vr5000 | mips64vr5000el \
+			| mips64vr5900 | mips64vr5900el \
+			| mipsisa32 | mipsisa32el \
+			| mipsisa32r2 | mipsisa32r2el \
+			| mipsisa32r3 | mipsisa32r3el \
+			| mipsisa32r5 | mipsisa32r5el \
+			| mipsisa32r6 | mipsisa32r6el \
+			| mipsisa64 | mipsisa64el \
+			| mipsisa64r2 | mipsisa64r2el \
+			| mipsisa64r3 | mipsisa64r3el \
+			| mipsisa64r5 | mipsisa64r5el \
+			| mipsisa64r6 | mipsisa64r6el \
+			| mipsisa64sb1 | mipsisa64sb1el \
+			| mipsisa64sr71k | mipsisa64sr71kel \
+			| mipsr5900 | mipsr5900el \
+			| mipstx39 | mipstx39el \
+			| mmix \
+			| mn10200 | mn10300 \
+			| moxie \
+			| mt \
+			| msp430 \
+			| nds32 | nds32le | nds32be \
+			| nfp \
+			| nios | nios2 | nios2eb | nios2el \
+			| none | np1 | ns16k | ns32k | nvptx \
+			| open8 \
+			| or1k* \
+			| or32 \
+			| orion \
+			| picochip \
+			| pdp10 | pdp11 | pj | pjl | pn | power \
+			| powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
+			| pru \
+			| pyramid \
+			| riscv | riscv32 | riscv32be | riscv64 | riscv64be \
+			| rl78 | romp | rs6000 | rx \
+			| s390 | s390x \
+			| score \
+			| sh | shl \
+			| sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
+			| sh[1234]e[lb] |  sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
+			| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
+			| sparclite \
+			| sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
+			| spu \
+			| tahoe \
+			| thumbv7* \
+			| tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
+			| tron \
+			| ubicom32 \
+			| v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
+			| vax \
+			| visium \
+			| w65 \
+			| wasm32 | wasm64 \
+			| we32k \
+			| x86 | x86_64 | xc16x | xgate | xps100 \
+			| xstormy16 | xtensa* \
+			| ymp \
+			| z8k | z80)
+				;;
+
+			*)
+				echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
+				exit 1
+				;;
+		esac
+		;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $vendor in
+	digital*)
+		vendor=dec
+		;;
+	commodore*)
+		vendor=cbm
+		;;
+	*)
+		;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if test x$basic_os != x
+then
+
+# First recognize some ad-hoc cases, or perhaps split kernel-os, or else just
+# set os.
+case $basic_os in
+	gnu/linux*)
+		kernel=linux
+		os=`echo "$basic_os" | sed -e 's|gnu/linux|gnu|'`
+		;;
+	os2-emx)
+		kernel=os2
+		os=`echo "$basic_os" | sed -e 's|os2-emx|emx|'`
+		;;
+	nto-qnx*)
+		kernel=nto
+		os=`echo "$basic_os" | sed -e 's|nto-qnx|qnx|'`
+		;;
+	*-*)
+		# shellcheck disable=SC2162
+		saved_IFS=$IFS
+		IFS="-" read kernel os <<EOF
+$basic_os
+EOF
+		IFS=$saved_IFS
+		;;
+	# Default OS when just kernel was specified
+	nto*)
+		kernel=nto
+		os=`echo "$basic_os" | sed -e 's|nto|qnx|'`
+		;;
+	linux*)
+		kernel=linux
+		os=`echo "$basic_os" | sed -e 's|linux|gnu|'`
+		;;
+	*)
+		kernel=
+		os=$basic_os
+		;;
+esac
+
+# Now, normalize the OS (knowing we just have one component, it's not a kernel,
+# etc.)
+case $os in
+	# First match some system type aliases that might get confused
+	# with valid system types.
+	# solaris* is a basic system type, with this one exception.
+	auroraux)
+		os=auroraux
+		;;
+	bluegene*)
+		os=cnk
+		;;
+	solaris1 | solaris1.*)
+		os=`echo "$os" | sed -e 's|solaris1|sunos4|'`
+		;;
+	solaris)
+		os=solaris2
+		;;
+	unixware*)
+		os=sysv4.2uw
+		;;
+	# es1800 is here to avoid being matched by es* (a different OS)
+	es1800*)
+		os=ose
+		;;
+	# Some version numbers need modification
+	chorusos*)
+		os=chorusos
+		;;
+	isc)
+		os=isc2.2
+		;;
+	sco6)
+		os=sco5v6
+		;;
+	sco5)
+		os=sco3.2v5
+		;;
+	sco4)
+		os=sco3.2v4
+		;;
+	sco3.2.[4-9]*)
+		os=`echo "$os" | sed -e 's/sco3.2./sco3.2v/'`
+		;;
+	sco*v* | scout)
+		# Don't match below
+		;;
+	sco*)
+		os=sco3.2v2
+		;;
+	psos*)
+		os=psos
+		;;
+	qnx*)
+		os=qnx
+		;;
+	hiux*)
+		os=hiuxwe2
+		;;
+	lynx*178)
+		os=lynxos178
+		;;
+	lynx*5)
+		os=lynxos5
+		;;
+	lynxos*)
+		# don't get caught up in next wildcard
+		;;
+	lynx*)
+		os=lynxos
+		;;
+	mac[0-9]*)
+		os=`echo "$os" | sed -e 's|mac|macos|'`
+		;;
+	opened*)
+		os=openedition
+		;;
+	os400*)
+		os=os400
+		;;
+	sunos5*)
+		os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
+		;;
+	sunos6*)
+		os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
+		;;
+	wince*)
+		os=wince
+		;;
+	utek*)
+		os=bsd
+		;;
+	dynix*)
+		os=bsd
+		;;
+	acis*)
+		os=aos
+		;;
+	atheos*)
+		os=atheos
+		;;
+	syllable*)
+		os=syllable
+		;;
+	386bsd)
+		os=bsd
+		;;
+	ctix* | uts*)
+		os=sysv
+		;;
+	nova*)
+		os=rtmk-nova
+		;;
+	ns2)
+		os=nextstep2
+		;;
+	# Preserve the version number of sinix5.
+	sinix5.*)
+		os=`echo "$os" | sed -e 's|sinix|sysv|'`
+		;;
+	sinix*)
+		os=sysv4
+		;;
+	tpf*)
+		os=tpf
+		;;
+	triton*)
+		os=sysv3
+		;;
+	oss*)
+		os=sysv3
+		;;
+	svr4*)
+		os=sysv4
+		;;
+	svr3)
+		os=sysv3
+		;;
+	sysvr4)
+		os=sysv4
+		;;
+	ose*)
+		os=ose
+		;;
+	*mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
+		os=mint
+		;;
+	dicos*)
+		os=dicos
+		;;
+	pikeos*)
+		# Until real need of OS specific support for
+		# particular features comes up, bare metal
+		# configurations are quite functional.
+		case $cpu in
+		    arm*)
+			os=eabi
+			;;
+		    *)
+			os=elf
+			;;
+		esac
+		;;
+	*)
+		# No normalization, but not necessarily accepted, that comes below.
+		;;
+esac
+
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system.  Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+kernel=
+case $cpu-$vendor in
+	score-*)
+		os=elf
+		;;
+	spu-*)
+		os=elf
+		;;
+	*-acorn)
+		os=riscix1.2
+		;;
+	arm*-rebel)
+		kernel=linux
+		os=gnu
+		;;
+	arm*-semi)
+		os=aout
+		;;
+	c4x-* | tic4x-*)
+		os=coff
+		;;
+	c8051-*)
+		os=elf
+		;;
+	clipper-intergraph)
+		os=clix
+		;;
+	hexagon-*)
+		os=elf
+		;;
+	tic54x-*)
+		os=coff
+		;;
+	tic55x-*)
+		os=coff
+		;;
+	tic6x-*)
+		os=coff
+		;;
+	# This must come before the *-dec entry.
+	pdp10-*)
+		os=tops20
+		;;
+	pdp11-*)
+		os=none
+		;;
+	*-dec | vax-*)
+		os=ultrix4.2
+		;;
+	m68*-apollo)
+		os=domain
+		;;
+	i386-sun)
+		os=sunos4.0.2
+		;;
+	m68000-sun)
+		os=sunos3
+		;;
+	m68*-cisco)
+		os=aout
+		;;
+	mep-*)
+		os=elf
+		;;
+	mips*-cisco)
+		os=elf
+		;;
+	mips*-*)
+		os=elf
+		;;
+	or32-*)
+		os=coff
+		;;
+	*-tti)	# must be before sparc entry or we get the wrong os.
+		os=sysv3
+		;;
+	sparc-* | *-sun)
+		os=sunos4.1.1
+		;;
+	pru-*)
+		os=elf
+		;;
+	*-be)
+		os=beos
+		;;
+	*-ibm)
+		os=aix
+		;;
+	*-knuth)
+		os=mmixware
+		;;
+	*-wec)
+		os=proelf
+		;;
+	*-winbond)
+		os=proelf
+		;;
+	*-oki)
+		os=proelf
+		;;
+	*-hp)
+		os=hpux
+		;;
+	*-hitachi)
+		os=hiux
+		;;
+	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+		os=sysv
+		;;
+	*-cbm)
+		os=amigaos
+		;;
+	*-dg)
+		os=dgux
+		;;
+	*-dolphin)
+		os=sysv3
+		;;
+	m68k-ccur)
+		os=rtu
+		;;
+	m88k-omron*)
+		os=luna
+		;;
+	*-next)
+		os=nextstep
+		;;
+	*-sequent)
+		os=ptx
+		;;
+	*-crds)
+		os=unos
+		;;
+	*-ns)
+		os=genix
+		;;
+	i370-*)
+		os=mvs
+		;;
+	*-gould)
+		os=sysv
+		;;
+	*-highlevel)
+		os=bsd
+		;;
+	*-encore)
+		os=bsd
+		;;
+	*-sgi)
+		os=irix
+		;;
+	*-siemens)
+		os=sysv4
+		;;
+	*-masscomp)
+		os=rtu
+		;;
+	f30[01]-fujitsu | f700-fujitsu)
+		os=uxpv
+		;;
+	*-rom68k)
+		os=coff
+		;;
+	*-*bug)
+		os=coff
+		;;
+	*-apple)
+		os=macos
+		;;
+	*-atari*)
+		os=mint
+		;;
+	*-wrs)
+		os=vxworks
+		;;
+	*)
+		os=none
+		;;
+esac
+
+fi
+
+# Now, validate our (potentially fixed-up) OS.
+case $os in
+	# Sometimes we do "kernel-libc", so those need to count as OSes.
+	musl* | newlib* | relibc* | uclibc*)
+		;;
+	# Likewise for "kernel-abi"
+	eabi* | gnueabi*)
+		;;
+	# VxWorks passes extra cpu info in the 4th filed.
+	simlinux | simwindows | spe)
+		;;
+	# Now accept the basic system types.
+	# The portable systems comes first.
+	# Each alternative MUST end in a * to match a version number.
+	gnu* | android* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
+	     | *vms* | esix* | aix* | cnk* | sunos | sunos[34]* \
+	     | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+	     | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \
+	     | hiux* | abug | nacl* | netware* | windows* \
+	     | os9* | macos* | osx* | ios* \
+	     | mpw* | magic* | mmixware* | mon960* | lnews* \
+	     | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
+	     | aos* | aros* | cloudabi* | sortix* | twizzler* \
+	     | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
+	     | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
+	     | mirbsd* | netbsd* | dicos* | openedition* | ose* \
+	     | bitrig* | openbsd* | secbsd* | solidbsd* | libertybsd* | os108* \
+	     | ekkobsd* | freebsd* | riscix* | lynxos* | os400* \
+	     | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
+	     | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
+	     | udi* | lites* | ieee* | go32* | aux* | hcos* \
+	     | chorusrdb* | cegcc* | glidix* | serenity* \
+	     | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
+	     | midipix* | mingw32* | mingw64* | mint* \
+	     | uxpv* | beos* | mpeix* | udk* | moxiebox* \
+	     | interix* | uwin* | mks* | rhapsody* | darwin* \
+	     | openstep* | oskit* | conix* | pw32* | nonstopux* \
+	     | storm-chaos* | tops10* | tenex* | tops20* | its* \
+	     | os2* | vos* | palmos* | uclinux* | nucleus* | morphos* \
+	     | scout* | superux* | sysv* | rtmk* | tpf* | windiss* \
+	     | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
+	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
+	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
+	     | fiwix* )
+		;;
+	# This one is extra strict with allowed versions
+	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		;;
+	none)
+		;;
+	*)
+		echo Invalid configuration \`"$1"\': OS \`"$os"\' not recognized 1>&2
+		exit 1
+		;;
+esac
+
+# As a final step for OS-related things, validate the OS-kernel combination
+# (given a valid OS), if there is a kernel.
+case $kernel-$os in
+	linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* \
+		   | linux-musl* | linux-relibc* | linux-uclibc* )
+		;;
+	uclinux-uclibc* )
+		;;
+	-dietlibc* | -newlib* | -musl* | -relibc* | -uclibc* )
+		# These are just libc implementations, not actual OSes, and thus
+		# require a kernel.
+		echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2
+		exit 1
+		;;
+	kfreebsd*-gnu* | kopensolaris*-gnu*)
+		;;
+	vxworks-simlinux | vxworks-simwindows | vxworks-spe)
+		;;
+	nto-qnx*)
+		;;
+	os2-emx)
+		;;
+	*-eabi* | *-gnueabi*)
+		;;
+	-*)
+		# Blank kernel with real OS is always fine.
+		;;
+	*-*)
+		echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2
+		exit 1
+		;;
+esac
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer.  We pick the logical manufacturer.
+case $vendor in
+	unknown)
+		case $cpu-$os in
+			*-riscix*)
+				vendor=acorn
+				;;
+			*-sunos*)
+				vendor=sun
+				;;
+			*-cnk* | *-aix*)
+				vendor=ibm
+				;;
+			*-beos*)
+				vendor=be
+				;;
+			*-hpux*)
+				vendor=hp
+				;;
+			*-mpeix*)
+				vendor=hp
+				;;
+			*-hiux*)
+				vendor=hitachi
+				;;
+			*-unos*)
+				vendor=crds
+				;;
+			*-dgux*)
+				vendor=dg
+				;;
+			*-luna*)
+				vendor=omron
+				;;
+			*-genix*)
+				vendor=ns
+				;;
+			*-clix*)
+				vendor=intergraph
+				;;
+			*-mvs* | *-opened*)
+				vendor=ibm
+				;;
+			*-os400*)
+				vendor=ibm
+				;;
+			s390-* | s390x-*)
+				vendor=ibm
+				;;
+			*-ptx*)
+				vendor=sequent
+				;;
+			*-tpf*)
+				vendor=ibm
+				;;
+			*-vxsim* | *-vxworks* | *-windiss*)
+				vendor=wrs
+				;;
+			*-aux*)
+				vendor=apple
+				;;
+			*-hms*)
+				vendor=hitachi
+				;;
+			*-mpw* | *-macos*)
+				vendor=apple
+				;;
+			*-*mint | *-mint[0-9]* | *-*MiNT | *-MiNT[0-9]*)
+				vendor=atari
+				;;
+			*-vos*)
+				vendor=stratus
+				;;
+		esac
+		;;
+esac
+
+echo "$cpu-$vendor-${kernel:+$kernel-}$os"
+exit
+
+# Local variables:
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/configure b/configure
new file mode 100755
index 0000000..8c3c418
--- /dev/null
+++ b/configure
@@ -0,0 +1,27812 @@
+#! /bin/sh
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.71 for linux nfs-utils 2.6.4.
+#
+# Report bugs to <linux-nfs@vger.kernel.org>.
+#
+#
+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Inc.
+#
+#
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+as_nop=:
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else $as_nop
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
+as_nl='
+'
+export as_nl
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+
+# The user is always right.
+if ${PATH_SEPARATOR+false} :; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="as_nop=:
+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else \$as_nop
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" )
+then :
+
+else \$as_nop
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1
+blah=\$(echo \$(echo blah))
+test x\"\$blah\" = xblah || exit 1
+test -x / || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+
+  test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || (
+    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+    ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+    ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+    PATH=/empty FPATH=/empty; export PATH FPATH
+    test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\
+      || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null
+then :
+  as_have_required=yes
+else $as_nop
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
+then :
+
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
+then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+IFS=$as_save_IFS
+if $as_found
+then :
+
+else $as_nop
+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi
+fi
+
+
+      if test "x$CONFIG_SHELL" != x
+then :
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+fi
+
+    if test x$as_have_required = xno
+then :
+  printf "%s\n" "$0: This script requires a shell more modern than all"
+  printf "%s\n" "$0: the shells that I found on your system."
+  if test ${ZSH_VERSION+y} ; then
+    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and
+$0: linux-nfs@vger.kernel.org about your system, including
+$0: any error possibly output before this message. Then
+$0: install a modern shell, or manually run the script
+$0: under such a shell if you do have one."
+  fi
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else $as_nop
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else $as_nop
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  printf "%s\n" "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+
+# Identity of this package.
+PACKAGE_NAME='linux nfs-utils'
+PACKAGE_TARNAME='nfs-utils'
+PACKAGE_VERSION='2.6.4'
+PACKAGE_STRING='linux nfs-utils 2.6.4'
+PACKAGE_BUGREPORT='linux-nfs@vger.kernel.org'
+PACKAGE_URL=''
+
+ac_default_prefix=/usr
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stddef.h>
+#ifdef HAVE_STDIO_H
+# include <stdio.h>
+#endif
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_header_c_list=
+ac_unique_file="support/include/config.h.in"
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+  -build | --build | --buil | --bui | --bu)
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+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
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+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
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+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix=$ac_optarg ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
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+  -help | --help | --hel | --he | -h)
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+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host_alias ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host_alias=$ac_optarg ;;
+
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir=$ac_optarg ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir=$ac_optarg ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
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+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
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+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir=$ac_optarg ;;
+
+  -localedir | --localedir | --localedi | --localed | --locale)
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+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst | --locals)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+    localstatedir=$ac_optarg ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
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+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir=$ac_optarg ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
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+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir=$ac_optarg ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix=$ac_optarg ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix=$ac_optarg ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix=$ac_optarg ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name=$ac_optarg ;;
+
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir=$ac_optarg ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir=$ac_optarg ;;
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+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site=$ac_optarg ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
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+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir=$ac_optarg ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir=$ac_optarg ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
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+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target_alias=$ac_optarg ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
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+  -version | --version | --versio | --versi | --vers | -V)
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+  -with-* | --with-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
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+      as_fn_error $? "invalid package name: \`$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
+
+  -without-* | --without-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes=$ac_optarg ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries=$ac_optarg ;;
+
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
+    ;;
+
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+    esac
+    eval $ac_envvar=\$ac_optarg
+    export $ac_envvar ;;
+
+  *)
+    # FIXME: should be removed in autoconf 3.0.
+    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  as_fn_error $? "missing argument to $ac_option"
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
+fi
+
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir runstatedir
+do
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  as_fn_error $? "working directory cannot be determined"
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  as_fn_error $? "pwd does not report name of working directory"
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  srcdir=$ac_confdir
+  if test ! -r "$srcdir/$ac_unique_file"; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<_ACEOF
+\`configure' configures linux nfs-utils 2.6.4 to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print \`checking ...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/nfs-utils]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+_ACEOF
+
+  cat <<\_ACEOF
+
+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names
+
+System types:
+  --build=BUILD     configure for building on BUILD [guessed]
+  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of linux nfs-utils 2.6.4:";;
+   esac
+  cat <<\_ACEOF
+
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-silent-rules   less verbose build output (undo: "make V=1")
+  --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-maintainer-mode
+                          enable make rules and dependencies not useful (and
+                          sometimes confusing) to the casual installer
+  --enable-dependency-tracking
+                          do not reject slow dependency extractors
+  --disable-dependency-tracking
+                          speeds up one-time build
+  --disable-nfsv4         disable support for NFSv4 [default=no]
+  --disable-nfsv41        disable support for NFSv41 [default=no]
+  --disable-gss           disable client support for rpcsec_gss [default=no]
+  --enable-svcgss         enable building svcgssd for rpcsec_gss server
+                          support [default=no]
+  --enable-kprefix        install progs as rpc.knfsd etc
+  --disable-uuid          Exclude uuid support to avoid buggy libblkid.
+                          [default=no]
+  --disable-mount         Do not build mount.nfs and do use the util-linux
+                          mount(8) functionality. [default=no]
+  --enable-libmount-mount Link mount.nfs with libmount [default=no]
+  --disable-sbin-override Don't force nfsdcltrack and mount helpers into
+                          /sbin: always honour --sbindir
+  --enable-junction       enable support for NFS junctions [default=no]
+  --disable-tirpc         disable use of TI-RPC library [default=no]
+  --disable-ipv6          disable support for IPv6 [default=no]
+  --disable-mountconfig   disable mount to use a configuration file
+                          [default=no]
+  --disable-nfsdcld       disable NFSv4 clientid tracking daemon [default=no]
+  --disable-nfsrahead     disable nfsrahead command [default=no]
+  --disable-nfsdcltrack   disable NFSv4 clientid tracking programs
+                          [default=no]
+  --enable-nfsv4server    enable support for NFSv4 only server [default=no]
+  --disable-caps          Disable capabilities support
+  --disable-largefile     omit support for large files
+  --enable-shared[=PKGS]  build shared libraries [default=yes]
+  --enable-static[=PKGS]  build static libraries [default=yes]
+  --enable-fast-install[=PKGS]
+                          optimize for fast installation [default=yes]
+  --disable-libtool-lock  avoid locking (might break parallel builds)
+  --disable-ldap          Disable support for LDAP @<:default=detect]
+  --enable-gums           Enable support for the GUMS mapping library
+                          [default=false]
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-release=XXX      set release to XXX [1]
+  --with-statedir=/foo    use state dir /foo [default=/var/lib/nfs]
+  --with-nfsconfig=/config/file
+                          use general config file /config/file
+                          [default=/etc/nfs.conf]
+  --with-statdpath=/foo   define the statd state dir as /foo instead of the
+                          NFS statedir [default=/var/lib/nfs]
+  --with-statduser=rpcuser
+                          statd to run under [rpcuser or nobody]
+  --with-start-statd=scriptname
+                          When an nfs filesystems is mounted with locking, run
+                          this script
+  --with-systemd[=unit-dir-path]
+                          install systemd unit files [Default: no, and path
+                          defaults to /usr/lib/systemd/system if not given]
+  --with-rpcgen=internal  use internal rpcgen instead of system one
+  --with-mountfile=filename
+                          Using filename as the NFS mount options file
+                          [/etc/nfsmounts.conf]
+  --with-tirpcinclude=DIR use TI-RPC headers in DIR
+  --with-tcp-wrappers[=PATH]      Enable tcpwrappers support
+                 (optionally in PATH)
+  --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
+                          both]
+  --with-aix-soname=aix|svr4|both
+                          shared library versioning (aka "SONAME") variant to
+                          provide on AIX, [default=aix].
+  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
+  --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
+                          compiler's sysroot if not specified).
+  --with-krb5=DIR         use Kerberos v5 installation in DIR
+  --with-gssglue          Use libgssglue for GSS support
+  --with-pluginpath=/foo  Causes the library to look in /foo instead of
+                          /usr/lib/libnfsidmap for plugins
+
+Some influential environment variables:
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
+  PKG_CONFIG  path to pkg-config utility
+  PKG_CONFIG_PATH
+              directories to add to pkg-config's search path
+  PKG_CONFIG_LIBDIR
+              path overriding pkg-config's built-in search path
+  LIBMOUNT_CFLAGS
+              C compiler flags for LIBMOUNT, overriding pkg-config
+  LIBMOUNT_LIBS
+              linker flags for LIBMOUNT, overriding pkg-config
+  TIRPC_CFLAGS
+              C compiler flags for TIRPC, overriding pkg-config
+  TIRPC_LIBS  linker flags for TIRPC, overriding pkg-config
+  XML2_CFLAGS C compiler flags for XML2, overriding pkg-config
+  XML2_LIBS   linker flags for XML2, overriding pkg-config
+  CXX         C++ compiler command
+  CXXFLAGS    C++ compiler flags
+  CPP         C preprocessor
+  LT_SYS_LIBRARY_PATH
+              User-defined run-time library search path.
+  CXXCPP      C++ preprocessor
+  GSSGLUE_CFLAGS
+              C compiler flags for GSSGLUE, overriding pkg-config
+  GSSGLUE_LIBS
+              linker flags for GSSGLUE, overriding pkg-config
+  RPCSECGSS_CFLAGS
+              C compiler flags for RPCSECGSS, overriding pkg-config
+  RPCSECGSS_LIBS
+              linker flags for RPCSECGSS, overriding pkg-config
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+Report bugs to <linux-nfs@vger.kernel.org>.
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
+    ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for configure.gnu first; this name is used for a wrapper for
+    # Metaconfig's "Configure" on case-insensitive file systems.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
+    else
+      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
+  done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+  cat <<\_ACEOF
+linux nfs-utils configure 2.6.4
+generated by GNU Autoconf 2.71
+
+Copyright (C) 2021 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+  exit
+fi
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$3=yes"
+else $as_nop
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char $2 (); below.  */
+
+#include <limits.h>
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main (void)
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$3=yes"
+else $as_nop
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+
+# ac_fn_cxx_try_compile LINENO
+# ----------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_compile
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_cxx_try_cpp LINENO
+# ------------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_cpp
+
+# ac_fn_cxx_try_link LINENO
+# -------------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_link
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
+# executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+       printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+else $as_nop
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_type
+
+# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
+# --------------------------------------------
+# Tries to find the compile-time value of EXPR in a program that includes
+# INCLUDES, setting VAR accordingly. Returns whether the value could be
+# computed
+ac_fn_c_compute_int ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if test "$cross_compiling" = yes; then
+    # Depending upon the size, compute the lo and hi bounds.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+static int test_array [1 - 2 * !(($2) >= 0)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_hi=$ac_mid; break
+else $as_nop
+  as_fn_arith $ac_mid + 1 && ac_lo=$as_val
+			if test $ac_lo -le $ac_mid; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  done
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+static int test_array [1 - 2 * !(($2) < 0)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+static int test_array [1 - 2 * !(($2) >= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_lo=$ac_mid; break
+else $as_nop
+  as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
+			if test $ac_mid -le $ac_hi; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  done
+else $as_nop
+  ac_lo= ac_hi=
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_hi=$ac_mid
+else $as_nop
+  as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+done
+case $ac_lo in #((
+?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
+'') ac_retval=1 ;;
+esac
+  else
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+static long int longval (void) { return $2; }
+static unsigned long int ulongval (void) { return $2; }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main (void)
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    return 1;
+  if (($2) < 0)
+    {
+      long int i = longval ();
+      if (i != ($2))
+	return 1;
+      fprintf (f, "%ld", i);
+    }
+  else
+    {
+      unsigned long int i = ulongval ();
+      if (i != ($2))
+	return 1;
+      fprintf (f, "%lu", i);
+    }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
+  return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  echo >>conftest.val; read $3 <conftest.val; ac_retval=0
+else $as_nop
+  ac_retval=1
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f conftest.val
+
+  fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_compute_int
+ac_configure_args_raw=
+for ac_arg
+do
+  case $ac_arg in
+  *\'*)
+    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  esac
+  as_fn_append ac_configure_args_raw " '$ac_arg'"
+done
+
+case $ac_configure_args_raw in
+  *$as_nl*)
+    ac_safe_unquote= ;;
+  *)
+    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
+    ac_unsafe_a="$ac_unsafe_z#~"
+    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
+    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
+esac
+
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by linux nfs-utils $as_me 2.6.4, which was
+generated by GNU Autoconf 2.71.  Invocation command line was
+
+  $ $0$ac_configure_args_raw
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    printf "%s\n" "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+  for ac_arg
+  do
+    case $ac_arg in
+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+    | -silent | --silent | --silen | --sile | --sil)
+      continue ;;
+    *\'*)
+      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    case $ac_pass in
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    2)
+      as_fn_append ac_configure_args1 " '$ac_arg'"
+      if test $ac_must_keep_next = true; then
+	ac_must_keep_next=false # Got value, back to normal.
+      else
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
+      fi
+      as_fn_append ac_configure_args " '$ac_arg'"
+      ;;
+    esac
+  done
+done
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+  # Sanitize IFS.
+  IFS=" ""	$as_nl"
+  # Save into config.log some information that might help in debugging.
+  {
+    echo
+
+    printf "%s\n" "## ---------------- ##
+## Cache variables. ##
+## ---------------- ##"
+    echo
+    # The following way of writing the cache mishandles newlines in values,
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+  (set) 2>&1 |
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      sed -n \
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
+    *)
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+)
+    echo
+
+    printf "%s\n" "## ----------------- ##
+## Output variables. ##
+## ----------------- ##"
+    echo
+    for ac_var in $ac_subst_vars
+    do
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      printf "%s\n" "$ac_var='\''$ac_val'\''"
+    done | sort
+    echo
+
+    if test -n "$ac_subst_files"; then
+      printf "%s\n" "## ------------------- ##
+## File substitutions. ##
+## ------------------- ##"
+      echo
+      for ac_var in $ac_subst_files
+      do
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	printf "%s\n" "$ac_var='\''$ac_val'\''"
+      done | sort
+      echo
+    fi
+
+    if test -s confdefs.h; then
+      printf "%s\n" "## ----------- ##
+## confdefs.h. ##
+## ----------- ##"
+      echo
+      cat confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      printf "%s\n" "$as_me: caught signal $ac_signal"
+    printf "%s\n" "$as_me: exit $exit_status"
+  } >&5
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+    exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+printf "%s\n" "/* confdefs.h */" > confdefs.h
+
+# Predefined preprocessor variables.
+
+printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+if test -n "$CONFIG_SITE"; then
+  ac_site_files="$CONFIG_SITE"
+elif test "x$prefix" != xNONE; then
+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
+else
+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+fi
+
+for ac_site_file in $ac_site_files
+do
+  case $ac_site_file in #(
+  */*) :
+     ;; #(
+  *) :
+    ac_site_file=./$ac_site_file ;;
+esac
+  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
+    sed 's/^/| /' "$ac_site_file" >&5
+    . "$ac_site_file" \
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
+  fi
+done
+
+if test -r "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
+    esac
+  fi
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"
+# Test code for whether the C compiler supports C89 (global declarations)
+ac_c_conftest_c89_globals='
+/* Does the compiler advertise C89 conformance?
+   Do not test the value of __STDC__, because some compilers set it to 0
+   while being otherwise adequately conformant. */
+#if !defined __STDC__
+# error "Compiler does not advertise C89 conformance"
+#endif
+
+#include <stddef.h>
+#include <stdarg.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
+struct buf { int x; };
+struct buf * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not \xHH hex character constants.
+   These do not provoke an error unfortunately, instead are silently treated
+   as an "x".  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously \x00 != x always comes out true, for an
+   array size at least.  It is necessary to write \x00 == 0 to get something
+   that is true only with -std.  */
+int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) '\''x'\''
+int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),
+               int, int);'
+
+# Test code for whether the C compiler supports C89 (body of main).
+ac_c_conftest_c89_main='
+ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
+'
+
+# Test code for whether the C compiler supports C99 (global declarations)
+ac_c_conftest_c99_globals='
+// Does the compiler advertise C99 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
+# error "Compiler does not advertise C99 conformance"
+#endif
+
+#include <stdbool.h>
+extern int puts (const char *);
+extern int printf (const char *, ...);
+extern int dprintf (int, const char *, ...);
+extern void *malloc (size_t);
+
+// Check varargs macros.  These examples are taken from C99 6.10.3.5.
+// dprintf is used instead of fprintf to avoid needing to declare
+// FILE and stderr.
+#define debug(...) dprintf (2, __VA_ARGS__)
+#define showlist(...) puts (#__VA_ARGS__)
+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
+static void
+test_varargs_macros (void)
+{
+  int x = 1234;
+  int y = 5678;
+  debug ("Flag");
+  debug ("X = %d\n", x);
+  showlist (The first, second, and third items.);
+  report (x>y, "x is %d but y is %d", x, y);
+}
+
+// Check long long types.
+#define BIG64 18446744073709551615ull
+#define BIG32 4294967295ul
+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
+#if !BIG_OK
+  #error "your preprocessor is broken"
+#endif
+#if BIG_OK
+#else
+  #error "your preprocessor is broken"
+#endif
+static long long int bignum = -9223372036854775807LL;
+static unsigned long long int ubignum = BIG64;
+
+struct incomplete_array
+{
+  int datasize;
+  double data[];
+};
+
+struct named_init {
+  int number;
+  const wchar_t *name;
+  double average;
+};
+
+typedef const char *ccp;
+
+static inline int
+test_restrict (ccp restrict text)
+{
+  // See if C++-style comments work.
+  // Iterate through items via the restricted pointer.
+  // Also check for declarations in for loops.
+  for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
+    continue;
+  return 0;
+}
+
+// Check varargs and va_copy.
+static bool
+test_varargs (const char *format, ...)
+{
+  va_list args;
+  va_start (args, format);
+  va_list args_copy;
+  va_copy (args_copy, args);
+
+  const char *str = "";
+  int number = 0;
+  float fnumber = 0;
+
+  while (*format)
+    {
+      switch (*format++)
+	{
+	case '\''s'\'': // string
+	  str = va_arg (args_copy, const char *);
+	  break;
+	case '\''d'\'': // int
+	  number = va_arg (args_copy, int);
+	  break;
+	case '\''f'\'': // float
+	  fnumber = va_arg (args_copy, double);
+	  break;
+	default:
+	  break;
+	}
+    }
+  va_end (args_copy);
+  va_end (args);
+
+  return *str && number && fnumber;
+}
+'
+
+# Test code for whether the C compiler supports C99 (body of main).
+ac_c_conftest_c99_main='
+  // Check bool.
+  _Bool success = false;
+  success |= (argc != 0);
+
+  // Check restrict.
+  if (test_restrict ("String literal") == 0)
+    success = true;
+  char *restrict newvar = "Another string";
+
+  // Check varargs.
+  success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
+  test_varargs_macros ();
+
+  // Check flexible array members.
+  struct incomplete_array *ia =
+    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+  ia->datasize = 10;
+  for (int i = 0; i < ia->datasize; ++i)
+    ia->data[i] = i * 1.234;
+
+  // Check named initializers.
+  struct named_init ni = {
+    .number = 34,
+    .name = L"Test wide string",
+    .average = 543.34343,
+  };
+
+  ni.number = 58;
+
+  int dynamic_array[ni.number];
+  dynamic_array[0] = argv[0][0];
+  dynamic_array[ni.number - 1] = 543;
+
+  // work around unused variable warnings
+  ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
+	 || dynamic_array[ni.number - 1] != 543);
+'
+
+# Test code for whether the C compiler supports C11 (global declarations)
+ac_c_conftest_c11_globals='
+// Does the compiler advertise C11 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
+# error "Compiler does not advertise C11 conformance"
+#endif
+
+// Check _Alignas.
+char _Alignas (double) aligned_as_double;
+char _Alignas (0) no_special_alignment;
+extern char aligned_as_int;
+char _Alignas (0) _Alignas (int) aligned_as_int;
+
+// Check _Alignof.
+enum
+{
+  int_alignment = _Alignof (int),
+  int_array_alignment = _Alignof (int[100]),
+  char_alignment = _Alignof (char)
+};
+_Static_assert (0 < -_Alignof (int), "_Alignof is signed");
+
+// Check _Noreturn.
+int _Noreturn does_not_return (void) { for (;;) continue; }
+
+// Check _Static_assert.
+struct test_static_assert
+{
+  int x;
+  _Static_assert (sizeof (int) <= sizeof (long int),
+                  "_Static_assert does not work in struct");
+  long int y;
+};
+
+// Check UTF-8 literals.
+#define u8 syntax error!
+char const utf8_literal[] = u8"happens to be ASCII" "another string";
+
+// Check duplicate typedefs.
+typedef long *long_ptr;
+typedef long int *long_ptr;
+typedef long_ptr long_ptr;
+
+// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.
+struct anonymous
+{
+  union {
+    struct { int i; int j; };
+    struct { int k; long int l; } w;
+  };
+  int m;
+} v1;
+'
+
+# Test code for whether the C compiler supports C11 (body of main).
+ac_c_conftest_c11_main='
+  _Static_assert ((offsetof (struct anonymous, i)
+		   == offsetof (struct anonymous, w.k)),
+		  "Anonymous union alignment botch");
+  v1.i = 2;
+  v1.w.k = 5;
+  ok |= v1.i != 5;
+'
+
+# Test code for whether the C compiler supports C11 (complete).
+ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+${ac_c_conftest_c11_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  ${ac_c_conftest_c11_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C99 (complete).
+ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C89 (complete).
+ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  return ok;
+}
+"
+
+as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"
+as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"
+as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"
+as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"
+as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
+as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
+as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
+as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
+as_fn_append ac_header_c_list " wchar.h wchar_h HAVE_WCHAR_H"
+as_fn_append ac_header_c_list " minix/config.h minix_config_h HAVE_MINIX_CONFIG_H"
+# Test code for whether the C++ compiler supports C++98 (global declarations)
+ac_cxx_conftest_cxx98_globals='
+// Does the compiler advertise C++98 conformance?
+#if !defined __cplusplus || __cplusplus < 199711L
+# error "Compiler does not advertise C++98 conformance"
+#endif
+
+// These inclusions are to reject old compilers that
+// lack the unsuffixed header files.
+#include <cstdlib>
+#include <exception>
+
+// <cassert> and <cstring> are *not* freestanding headers in C++98.
+extern void assert (int);
+namespace std {
+  extern int strcmp (const char *, const char *);
+}
+
+// Namespaces, exceptions, and templates were all added after "C++ 2.0".
+using std::exception;
+using std::strcmp;
+
+namespace {
+
+void test_exception_syntax()
+{
+  try {
+    throw "test";
+  } catch (const char *s) {
+    // Extra parentheses suppress a warning when building autoconf itself,
+    // due to lint rules shared with more typical C programs.
+    assert (!(strcmp) (s, "test"));
+  }
+}
+
+template <typename T> struct test_template
+{
+  T const val;
+  explicit test_template(T t) : val(t) {}
+  template <typename U> T add(U u) { return static_cast<T>(u) + val; }
+};
+
+} // anonymous namespace
+'
+
+# Test code for whether the C++ compiler supports C++98 (body of main)
+ac_cxx_conftest_cxx98_main='
+  assert (argc);
+  assert (! argv[0]);
+{
+  test_exception_syntax ();
+  test_template<double> tt (2.0);
+  assert (tt.add (4) == 6.0);
+  assert (true && !false);
+}
+'
+
+# Test code for whether the C++ compiler supports C++11 (global declarations)
+ac_cxx_conftest_cxx11_globals='
+// Does the compiler advertise C++ 2011 conformance?
+#if !defined __cplusplus || __cplusplus < 201103L
+# error "Compiler does not advertise C++11 conformance"
+#endif
+
+namespace cxx11test
+{
+  constexpr int get_val() { return 20; }
+
+  struct testinit
+  {
+    int i;
+    double d;
+  };
+
+  class delegate
+  {
+  public:
+    delegate(int n) : n(n) {}
+    delegate(): delegate(2354) {}
+
+    virtual int getval() { return this->n; };
+  protected:
+    int n;
+  };
+
+  class overridden : public delegate
+  {
+  public:
+    overridden(int n): delegate(n) {}
+    virtual int getval() override final { return this->n * 2; }
+  };
+
+  class nocopy
+  {
+  public:
+    nocopy(int i): i(i) {}
+    nocopy() = default;
+    nocopy(const nocopy&) = delete;
+    nocopy & operator=(const nocopy&) = delete;
+  private:
+    int i;
+  };
+
+  // for testing lambda expressions
+  template <typename Ret, typename Fn> Ret eval(Fn f, Ret v)
+  {
+    return f(v);
+  }
+
+  // for testing variadic templates and trailing return types
+  template <typename V> auto sum(V first) -> V
+  {
+    return first;
+  }
+  template <typename V, typename... Args> auto sum(V first, Args... rest) -> V
+  {
+    return first + sum(rest...);
+  }
+}
+'
+
+# Test code for whether the C++ compiler supports C++11 (body of main)
+ac_cxx_conftest_cxx11_main='
+{
+  // Test auto and decltype
+  auto a1 = 6538;
+  auto a2 = 48573953.4;
+  auto a3 = "String literal";
+
+  int total = 0;
+  for (auto i = a3; *i; ++i) { total += *i; }
+
+  decltype(a2) a4 = 34895.034;
+}
+{
+  // Test constexpr
+  short sa[cxx11test::get_val()] = { 0 };
+}
+{
+  // Test initializer lists
+  cxx11test::testinit il = { 4323, 435234.23544 };
+}
+{
+  // Test range-based for
+  int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3,
+                 14, 19, 17, 8, 6, 20, 16, 2, 11, 1};
+  for (auto &x : array) { x += 23; }
+}
+{
+  // Test lambda expressions
+  using cxx11test::eval;
+  assert (eval ([](int x) { return x*2; }, 21) == 42);
+  double d = 2.0;
+  assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0);
+  assert (d == 5.0);
+  assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0);
+  assert (d == 5.0);
+}
+{
+  // Test use of variadic templates
+  using cxx11test::sum;
+  auto a = sum(1);
+  auto b = sum(1, 2);
+  auto c = sum(1.0, 2.0, 3.0);
+}
+{
+  // Test constructor delegation
+  cxx11test::delegate d1;
+  cxx11test::delegate d2();
+  cxx11test::delegate d3(45);
+}
+{
+  // Test override and final
+  cxx11test::overridden o1(55464);
+}
+{
+  // Test nullptr
+  char *c = nullptr;
+}
+{
+  // Test template brackets
+  test_template<::test_template<int>> v(test_template<int>(12));
+}
+{
+  // Unicode literals
+  char const *utf8 = u8"UTF-8 string \u2500";
+  char16_t const *utf16 = u"UTF-8 string \u2500";
+  char32_t const *utf32 = U"UTF-32 string \u2500";
+}
+'
+
+# Test code for whether the C compiler supports C++11 (complete).
+ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals}
+${ac_cxx_conftest_cxx11_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_cxx_conftest_cxx98_main}
+  ${ac_cxx_conftest_cxx11_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C++98 (complete).
+ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals}
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_cxx_conftest_cxx98_main}
+  return ok;
+}
+"
+
+as_fn_append ac_header_c_list " vfork.h vfork_h HAVE_VFORK_H"
+as_fn_append ac_func_c_list " fork HAVE_FORK"
+as_fn_append ac_func_c_list " vfork HAVE_VFORK"
+as_fn_append ac_header_c_list " sys/select.h sys_select_h HAVE_SYS_SELECT_H"
+as_fn_append ac_header_c_list " sys/socket.h sys_socket_h HAVE_SYS_SOCKET_H"
+as_fn_append ac_func_c_list " vprintf HAVE_VPRINTF"
+
+# Auxiliary files required by this configure script.
+ac_aux_files="ltmain.sh compile missing install-sh config.guess config.sub"
+
+# Locations in which to look for auxiliary files.
+ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.."
+
+# Search for a directory containing all of the required auxiliary files,
+# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates.
+# If we don't find one directory that contains all the files we need,
+# we report the set of missing files from the *first* directory in
+# $ac_aux_dir_candidates and give up.
+ac_missing_aux_files=""
+ac_first_candidate=:
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in $ac_aux_dir_candidates
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+  as_found=:
+
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}:  trying $as_dir" >&5
+  ac_aux_dir_found=yes
+  ac_install_sh=
+  for ac_aux in $ac_aux_files
+  do
+    # As a special case, if "install-sh" is required, that requirement
+    # can be satisfied by any of "install-sh", "install.sh", or "shtool",
+    # and $ac_install_sh is set appropriately for whichever one is found.
+    if test x"$ac_aux" = x"install-sh"
+    then
+      if test -f "${as_dir}install-sh"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install-sh found" >&5
+        ac_install_sh="${as_dir}install-sh -c"
+      elif test -f "${as_dir}install.sh"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install.sh found" >&5
+        ac_install_sh="${as_dir}install.sh -c"
+      elif test -f "${as_dir}shtool"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}shtool found" >&5
+        ac_install_sh="${as_dir}shtool install -c"
+      else
+        ac_aux_dir_found=no
+        if $ac_first_candidate; then
+          ac_missing_aux_files="${ac_missing_aux_files} install-sh"
+        else
+          break
+        fi
+      fi
+    else
+      if test -f "${as_dir}${ac_aux}"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}${ac_aux} found" >&5
+      else
+        ac_aux_dir_found=no
+        if $ac_first_candidate; then
+          ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}"
+        else
+          break
+        fi
+      fi
+    fi
+  done
+  if test "$ac_aux_dir_found" = yes; then
+    ac_aux_dir="$as_dir"
+    break
+  fi
+  ac_first_candidate=false
+
+  as_found=false
+done
+IFS=$as_save_IFS
+if $as_found
+then :
+
+else $as_nop
+  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
+fi
+
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+if test -f "${ac_aux_dir}config.guess"; then
+  ac_config_guess="$SHELL ${ac_aux_dir}config.guess"
+fi
+if test -f "${ac_aux_dir}config.sub"; then
+  ac_config_sub="$SHELL ${ac_aux_dir}config.sub"
+fi
+if test -f "$ac_aux_dir/configure"; then
+  ac_configure="$SHELL ${ac_aux_dir}configure"
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
+	    and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
+
+  # Make sure we can run config.sub.
+$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+printf %s "checking build system type... " >&6; }
+if test ${ac_cv_build+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+printf "%s\n" "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+printf %s "checking host system type... " >&6; }
+if test ${ac_cv_host+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+printf "%s\n" "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+
+am__api_version='1.16'
+
+
+  # Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+printf %s "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if test ${ac_cv_path_install+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    # Account for fact that we put trailing slashes in our PATH walk.
+case $as_dir in #((
+  ./ | /[cC]/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext"; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+  done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test ${ac_cv_path_install+y}; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+printf "%s\n" "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
+printf %s "checking whether build environment is sane... " >&6; }
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[\\\"\#\$\&\'\`$am_lf]*)
+    as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;;
+esac
+case $srcdir in
+  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
+    as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$*" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$*" != "X $srcdir/configure conftest.file" \
+	&& test "$*" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment" "$LINENO" 5
+     fi
+     if test "$2" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
+   test "$2" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   as_fn_error $? "newly created file is older than distributed files!
+Check your system clock" "$LINENO" 5
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+
+rm -f conftest.file
+
+test "$program_prefix" != NONE &&
+  program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $.
+# By default was `s,x,x', remove it if useless.
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"`
+
+
+# Expand $ac_aux_dir to an absolute path.
+am_aux_dir=`cd "$ac_aux_dir" && pwd`
+
+
+  if test x"${MISSING+set}" != xset; then
+  MISSING="\${SHELL} '$am_aux_dir/missing'"
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
+else
+  am_missing_run=
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
+printf "%s\n" "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
+fi
+
+if test x"${install_sh+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_STRIP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+printf "%s\n" "$STRIP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_STRIP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+printf "%s\n" "$ac_ct_STRIP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a race-free mkdir -p" >&5
+printf %s "checking for a race-free mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+  if test ${ac_cv_path_mkdir+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in mkdir gmkdir; do
+	 for ac_exec_ext in '' $ac_executable_extensions; do
+	   as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext" || continue
+	   case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #(
+	     'mkdir ('*'coreutils) '* | \
+	     'BusyBox '* | \
+	     'mkdir (fileutils) '4.1*)
+	       ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext
+	       break 3;;
+	   esac
+	 done
+       done
+  done
+IFS=$as_save_IFS
+
+fi
+
+  test -d ./--version && rmdir ./--version
+  if test ${ac_cv_path_mkdir+y}; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    MKDIR_P="$ac_install_sh -d"
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
+printf "%s\n" "$MKDIR_P" >&6; }
+
+for ac_prog in gawk mawk nawk awk
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_AWK+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$AWK"; then
+  ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_AWK="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+printf "%s\n" "$AWK" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$AWK" && break
+done
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+printf %s "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if eval test \${ac_cv_prog_make_${ac_make}_set+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+  SET_MAKE=
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+# Check whether --enable-silent-rules was given.
+if test ${enable_silent_rules+y}
+then :
+  enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=1;;
+esac
+am_make=${MAKE-make}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+printf %s "checking whether $am_make supports nested variables... " >&6; }
+if test ${am_cv_make_support_nested_variables+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if printf "%s\n" 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  am__isrc=' -I$(srcdir)'
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE='nfs-utils'
+ VERSION='2.6.4'
+
+
+printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
+
+
+printf "%s\n" "#define VERSION \"$VERSION\"" >>confdefs.h
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+mkdir_p='$(MKDIR_P)'
+
+# We need awk for the "check" target (and possibly the TAP driver).  The
+# system "awk" is bad on some platforms.
+# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AMTAR='$${TAR-tar}'
+
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
+
+am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
+
+
+
+
+
+# Variables for tags utilities; see am/tags.am
+if test -z "$CTAGS"; then
+  CTAGS=ctags
+fi
+
+if test -z "$ETAGS"; then
+  ETAGS=etags
+fi
+
+if test -z "$CSCOPE"; then
+  CSCOPE=cscope
+fi
+
+
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
+  fi
+fi
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+printf %s "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
+    # Check whether --enable-maintainer-mode was given.
+if test ${enable_maintainer_mode+y}
+then :
+  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
+else $as_nop
+  USE_MAINTAINER_MODE=no
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+printf "%s\n" "$USE_MAINTAINER_MODE" >&6; }
+   if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+
+  MAINT=$MAINTAINER_MODE_TRUE
+
+
+
+
+
+
+
+
+
+
+
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5
+printf %s "checking whether ${MAKE-make} supports the include directive... " >&6; }
+cat > confinc.mk << 'END'
+am__doit:
+	@echo this is the am__doit target >confinc.out
+.PHONY: am__doit
+END
+am__include="#"
+am__quote=
+# BSD make does it like this.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
+echo 'include confinc.mk # ignored' > confmf.GNU
+_am_result=no
+for s in GNU BSD; do
+  { echo "$as_me:$LINENO: ${MAKE-make} -f confmf.$s && cat confinc.out" >&5
+   (${MAKE-make} -f confmf.$s && cat confinc.out) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }
+  case $?:`cat confinc.out 2>/dev/null` in #(
+  '0:this is the am__doit target') :
+    case $s in #(
+  BSD) :
+    am__include='.include' am__quote='"' ;; #(
+  *) :
+    am__include='include' am__quote='' ;;
+esac ;; #(
+  *) :
+     ;;
+esac
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
+  fi
+done
+rm -f confinc.* confmf.*
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5
+printf "%s\n" "${_am_result}" >&6; }
+
+# Check whether --enable-dependency-tracking was given.
+if test ${enable_dependency_tracking+y}
+then :
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
+set dummy ${ac_tool_prefix}clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "clang", so it can be a program name with args.
+set dummy clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+fi
+
+
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
+
+# Provide some information about the compiler.
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion -version; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+printf %s "checking whether the C compiler works... " >&6; }
+ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { { ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link_default") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+	;;
+    [ab].out )
+	# We found the default executable, but exeext='' is most
+	# certainly right.
+	break;;
+    *.* )
+	if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
+	break;;
+    * )
+	break;;
+  esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else $as_nop
+  ac_file=''
+fi
+if test -z "$ac_file"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+printf %s "checking for C compiler default output file name... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+printf "%s\n" "$ac_file" >&6; }
+ac_exeext=$ac_cv_exeext
+
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+printf %s "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	  break;;
+    * ) break;;
+  esac
+done
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest conftest$ac_cv_exeext
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+printf "%s\n" "$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main (void)
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+printf %s "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+    fi
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+printf "%s\n" "$cross_compiling" >&6; }
+
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+printf %s "checking for suffix of object files... " >&6; }
+if test ${ac_cv_objext+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+       break;;
+  esac
+done
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+printf "%s\n" "$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
+printf %s "checking whether the compiler supports GNU C... " >&6; }
+if test ${ac_cv_c_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_compiler_gnu=yes
+else $as_nop
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+y}
+ac_save_CFLAGS=$CFLAGS
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+printf %s "checking whether $CC accepts -g... " >&6; }
+if test ${ac_cv_prog_cc_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_g=yes
+else $as_nop
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+else $as_nop
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
+if test $ac_test_CFLAGS; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+ac_prog_cc_stdc=no
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
+printf %s "checking for $CC option to enable C11 features... " >&6; }
+if test ${ac_cv_prog_cc_c11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c11=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c11_program
+_ACEOF
+for ac_arg in '' -std=gnu11
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
+     CC="$CC $ac_cv_prog_cc_c11"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
+  ac_prog_cc_stdc=c11
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
+printf %s "checking for $CC option to enable C99 features... " >&6; }
+if test ${ac_cv_prog_cc_c99+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c99_program
+_ACEOF
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c99=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c99" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
+     CC="$CC $ac_cv_prog_cc_c99"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
+  ac_prog_cc_stdc=c99
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
+printf %s "checking for $CC option to enable C89 features... " >&6; }
+if test ${ac_cv_prog_cc_c89+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c89_program
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c89" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
+     CC="$CC $ac_cv_prog_cc_c89"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
+  ac_prog_cc_stdc=c89
+fi
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
+printf %s "checking whether $CC understands -c and -o together... " >&6; }
+if test ${am_cv_prog_cc_c_o+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
+   ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
+printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+depcc="$CC"   am_compiler_list=
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+printf %s "checking dependency style of $depcc... " >&6; }
+if test ${am_cv_CC_dependencies_compiler_type+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
+printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+
+ac_header= ac_cache=
+for ac_item in $ac_header_c_list
+do
+  if test $ac_cache; then
+    ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"
+    if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then
+      printf "%s\n" "#define $ac_item 1" >> confdefs.h
+    fi
+    ac_header= ac_cache=
+  elif test $ac_header; then
+    ac_cache=$ac_item
+  else
+    ac_header=$ac_item
+  fi
+done
+
+
+
+
+
+
+
+
+if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes
+then :
+
+printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
+printf %s "checking whether it is safe to define __EXTENSIONS__... " >&6; }
+if test ${ac_cv_safe_to_define___extensions__+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#         define __EXTENSIONS__ 1
+          $ac_includes_default
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_safe_to_define___extensions__=yes
+else $as_nop
+  ac_cv_safe_to_define___extensions__=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5
+printf "%s\n" "$ac_cv_safe_to_define___extensions__" >&6; }
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether _XOPEN_SOURCE should be defined" >&5
+printf %s "checking whether _XOPEN_SOURCE should be defined... " >&6; }
+if test ${ac_cv_should_define__xopen_source+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_should_define__xopen_source=no
+    if test $ac_cv_header_wchar_h = yes
+then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+          #include <wchar.h>
+          mbstate_t x;
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+            #define _XOPEN_SOURCE 500
+            #include <wchar.h>
+            mbstate_t x;
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_should_define__xopen_source=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_should_define__xopen_source" >&5
+printf "%s\n" "$ac_cv_should_define__xopen_source" >&6; }
+
+  printf "%s\n" "#define _ALL_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _DARWIN_C_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _GNU_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _HPUX_ALT_XOPEN_SOCKET_API 1" >>confdefs.h
+
+  printf "%s\n" "#define _NETBSD_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _OPENBSD_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_ATTRIBS_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_BFP_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_DFP_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_FUNCS_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_TYPES_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_LIB_EXT2__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_MATH_SPEC_FUNCS__ 1" >>confdefs.h
+
+  printf "%s\n" "#define _TANDEM_SOURCE 1" >>confdefs.h
+
+  if test $ac_cv_header_minix_config_h = yes
+then :
+  MINIX=yes
+    printf "%s\n" "#define _MINIX 1" >>confdefs.h
+
+    printf "%s\n" "#define _POSIX_SOURCE 1" >>confdefs.h
+
+    printf "%s\n" "#define _POSIX_1_SOURCE 2" >>confdefs.h
+
+else $as_nop
+  MINIX=
+fi
+  if test $ac_cv_safe_to_define___extensions__ = yes
+then :
+  printf "%s\n" "#define __EXTENSIONS__ 1" >>confdefs.h
+
+fi
+  if test $ac_cv_should_define__xopen_source = yes
+then :
+  printf "%s\n" "#define _XOPEN_SOURCE 500" >>confdefs.h
+
+fi
+
+
+
+# Check whether --with-release was given.
+if test ${with_release+y}
+then :
+  withval=$with_release; RELEASE=$withval
+else $as_nop
+  RELEASE=1
+fi
+
+
+
+# Check whether --with-statedir was given.
+if test ${with_statedir+y}
+then :
+  withval=$with_statedir; statedir=$withval
+else $as_nop
+  statedir=/var/lib/nfs
+fi
+
+
+
+# Check whether --with-nfsconfig was given.
+if test ${with_nfsconfig+y}
+then :
+  withval=$with_nfsconfig; nfsconfig=$withval
+else $as_nop
+  nfsconfig=/etc/nfs.conf
+fi
+
+
+
+# Check whether --with-statdpath was given.
+if test ${with_statdpath+y}
+then :
+  withval=$with_statdpath; statdpath=$withval
+else $as_nop
+  statdpath=$statedir
+
+fi
+
+
+
+# Check whether --with-statduser was given.
+if test ${with_statduser+y}
+then :
+  withval=$with_statduser; statduser=$withval
+else $as_nop
+  if test "x$cross_compiling" = "xno"; then
+		if grep -s '^rpcuser:' /etc/passwd > /dev/null; then
+			statduser=rpcuser
+		else
+			statduser=nobody
+		fi
+	else
+		statduser=nobody
+	fi
+fi
+
+
+
+# Check whether --with-start-statd was given.
+if test ${with_start_statd+y}
+then :
+  withval=$with_start_statd; startstatd=$withval
+else $as_nop
+  startstatd=/usr/sbin/start-statd
+
+fi
+
+
+
+printf "%s\n" "#define START_STATD \"$startstatd\"" >>confdefs.h
+
+unitdir=/usr/lib/systemd/system
+
+# Check whether --with-systemd was given.
+if test ${with_systemd+y}
+then :
+  withval=$with_systemd; if test "$withval" != "no" ; then
+		use_systemd=1
+		if test "$withval" != "yes" ; then
+			unitdir=$withval
+		fi
+	else
+		use_systemd=0
+	fi
+
+fi
+
+	 if test "$use_systemd" = 1; then
+  INSTALL_SYSTEMD_TRUE=
+  INSTALL_SYSTEMD_FALSE='#'
+else
+  INSTALL_SYSTEMD_TRUE='#'
+  INSTALL_SYSTEMD_FALSE=
+fi
+
+
+
+# Check whether --enable-nfsv4 was given.
+if test ${enable_nfsv4+y}
+then :
+  enableval=$enable_nfsv4; enable_nfsv4=$enableval
+else $as_nop
+  enable_nfsv4=yes
+fi
+
+	if test "$enable_nfsv4" = yes; then
+		IDMAPD=idmapd
+	else
+		enable_nfsv4=
+		IDMAPD=
+	fi
+
+
+	 if test "$enable_nfsv4" = "yes"; then
+  CONFIG_NFSV4_TRUE=
+  CONFIG_NFSV4_FALSE='#'
+else
+  CONFIG_NFSV4_TRUE='#'
+  CONFIG_NFSV4_FALSE=
+fi
+
+
+# Check whether --enable-nfsv41 was given.
+if test ${enable_nfsv41+y}
+then :
+  enableval=$enable_nfsv41; enable_nfsv41=$enableval
+else $as_nop
+  enable_nfsv41=yes
+fi
+
+	if test "$enable_nfsv41" = yes; then
+		if test "$enable_nfsv4" != yes; then
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: NFS v4 is not enabled. Disabling NFS v4.1" >&5
+printf "%s\n" "$as_me: WARNING: NFS v4 is not enabled. Disabling NFS v4.1" >&2;}
+			enable_nfsv41=no
+		fi
+		BLKMAPD=blkmapd
+	else
+		enable_nfsv41=
+		BLKMAPD=
+	fi
+
+	 if test "$enable_nfsv41" = "yes"; then
+  CONFIG_NFSV41_TRUE=
+  CONFIG_NFSV41_FALSE='#'
+else
+  CONFIG_NFSV41_TRUE='#'
+  CONFIG_NFSV41_FALSE=
+fi
+
+
+# Check whether --enable-gss was given.
+if test ${enable_gss+y}
+then :
+  enableval=$enable_gss; enable_gss=$enableval
+else $as_nop
+  enable_gss=yes
+fi
+
+	if test "$enable_gss" = yes; then
+		GSSD=gssd
+	else
+		enable_gss=
+		GSSD=
+	fi
+
+
+	 if test "$enable_gss" = "yes"; then
+  CONFIG_GSS_TRUE=
+  CONFIG_GSS_FALSE='#'
+else
+  CONFIG_GSS_TRUE='#'
+  CONFIG_GSS_FALSE=
+fi
+
+
+# Check whether --enable-svcgss was given.
+if test ${enable_svcgss+y}
+then :
+  enableval=$enable_svcgss; enable_svcgss=$enableval
+else $as_nop
+  enable_svcgss=no
+fi
+
+	if test "$enable_gss" = yes -a "$enable_svcgss" = yes; then
+		SVCGSSD=svcgssd
+	else
+		enable_svcgss=
+		SVCGSSD=
+	fi
+
+
+	 if test "$enable_svcgss" = "yes"; then
+  CONFIG_SVCGSS_TRUE=
+  CONFIG_SVCGSS_FALSE='#'
+else
+  CONFIG_SVCGSS_TRUE='#'
+  CONFIG_SVCGSS_FALSE=
+fi
+
+
+# Check whether --enable-kprefix was given.
+if test ${enable_kprefix+y}
+then :
+  enableval=$enable_kprefix; test "$enableval" = "yes" && kprefix=k
+else $as_nop
+  kprefix=
+fi
+
+
+
+# Check whether --with-rpcgen was given.
+if test ${with_rpcgen+y}
+then :
+  withval=$with_rpcgen; rpcgen_path=$withval
+else $as_nop
+  rpcgen_path=yes
+fi
+
+	rpcgen_cflags=-Werror=strict-prototypes
+	RPCGEN_PATH=
+	if test "$rpcgen_path" = "yes"; then
+	    for p in /usr/local/bin/rpcgen /usr/bin/rpcgen /bin/rpcgen
+	    do if test -f $p ; then RPCGEN_PATH=$p ; break; fi ; done
+		if test -z "$RPCGEN_PATH"; then
+			as_fn_error $? "Please install rpcgen or use --with-rpcgen" "$LINENO" 5
+		fi
+	elif test "$rpcgen_path" != "internal"; then
+	    RPCGEN_PATH=$rpcgen_path
+	else
+	    RPCGEN_PATH=internal
+	    rpcgen_cflags=-Wstrict-prototypes
+	fi
+
+	 if test "$RPCGEN_PATH" = "internal"; then
+  CONFIG_RPCGEN_TRUE=
+  CONFIG_RPCGEN_FALSE='#'
+else
+  CONFIG_RPCGEN_TRUE='#'
+  CONFIG_RPCGEN_FALSE=
+fi
+
+# Check whether --enable-uuid was given.
+if test ${enable_uuid+y}
+then :
+  enableval=$enable_uuid; if test "$enableval" = "yes" ; then choose_blkid=yes; else choose_blkid=no; fi
+else $as_nop
+  choose_blkid=default
+fi
+
+# Check whether --enable-mount was given.
+if test ${enable_mount+y}
+then :
+  enableval=$enable_mount; enable_mount=$enableval
+else $as_nop
+  enable_mount=yes
+fi
+
+	 if test "$enable_mount" = "yes"; then
+  CONFIG_MOUNT_TRUE=
+  CONFIG_MOUNT_FALSE='#'
+else
+  CONFIG_MOUNT_TRUE='#'
+  CONFIG_MOUNT_FALSE=
+fi
+
+
+if test "$enable_mount" = yes; then
+	# Check whether --enable-libmount-mount was given.
+if test ${enable_libmount_mount+y}
+then :
+  enableval=$enable_libmount_mount; enable_libmount=$enableval
+else $as_nop
+  enable_libmount=no
+fi
+
+else
+	enable_libmount=no
+fi
+
+# Check whether --enable-sbin-override was given.
+if test ${enable_sbin_override+y}
+then :
+  enableval=$enable_sbin_override; enable_sbin_override=$enableval
+else $as_nop
+  enable_sbin_override=yes
+fi
+
+	 if test "$enable_sbin_override" = "yes"; then
+  CONFIG_SBIN_OVERRIDE_TRUE=
+  CONFIG_SBIN_OVERRIDE_FALSE='#'
+else
+  CONFIG_SBIN_OVERRIDE_TRUE='#'
+  CONFIG_SBIN_OVERRIDE_FALSE=
+fi
+
+# Check whether --enable-junction was given.
+if test ${enable_junction+y}
+then :
+  enableval=$enable_junction; enable_junction=$enableval
+else $as_nop
+  enable_junction=no
+fi
+
+	if test "$enable_junction" = yes; then
+
+printf "%s\n" "#define HAVE_JUNCTION_SUPPORT 1" >>confdefs.h
+
+	else
+		enable_junction=
+	fi
+	 if test "$enable_junction" = "yes" ; then
+  CONFIG_JUNCTION_TRUE=
+  CONFIG_JUNCTION_FALSE='#'
+else
+  CONFIG_JUNCTION_TRUE='#'
+  CONFIG_JUNCTION_FALSE=
+fi
+
+
+# Check whether --enable-tirpc was given.
+if test ${enable_tirpc+y}
+then :
+  enableval=$enable_tirpc; enable_tirpc=$enableval
+else $as_nop
+  enable_tirpc=yes
+fi
+
+# Check whether --enable-ipv6 was given.
+if test ${enable_ipv6+y}
+then :
+  enableval=$enable_ipv6; enable_ipv6=$enableval
+else $as_nop
+  enable_ipv6=yes
+fi
+
+	if test "$enable_ipv6" = yes; then
+
+printf "%s\n" "#define IPV6_SUPPORTED 1" >>confdefs.h
+
+	else
+		enable_ipv6=
+	fi
+
+	 if test "$enable_ipv6" = "yes"; then
+  CONFIG_IPV6_TRUE=
+  CONFIG_IPV6_FALSE='#'
+else
+  CONFIG_IPV6_TRUE='#'
+  CONFIG_IPV6_FALSE=
+fi
+
+
+if test "$enable_mount" = yes; then
+	# Check whether --enable-mountconfig was given.
+if test ${enable_mountconfig+y}
+then :
+  enableval=$enable_mountconfig; enable_mountconfig=$enableval
+else $as_nop
+  enable_mountconfig=yes
+fi
+
+	if test "$enable_mountconfig" = no; then
+		enable_mountconfig=
+	else
+
+printf "%s\n" "#define MOUNT_CONFIG 1" >>confdefs.h
+
+
+# Check whether --with-mountfile was given.
+if test ${with_mountfile+y}
+then :
+  withval=$with_mountfile; mountfile=$withval
+else $as_nop
+  mountfile=/etc/nfsmount.conf
+fi
+
+
+
+printf "%s\n" "#define MOUNTOPTS_CONFFILE \"$mountfile\"" >>confdefs.h
+
+	fi
+
+	 if test "$enable_mountconfig" = "yes"; then
+  MOUNT_CONFIG_TRUE=
+  MOUNT_CONFIG_FALSE='#'
+else
+  MOUNT_CONFIG_TRUE='#'
+  MOUNT_CONFIG_FALSE=
+fi
+
+else
+	 if test "$enable_mount" = "yes"; then
+  MOUNT_CONFIG_TRUE=
+  MOUNT_CONFIG_FALSE='#'
+else
+  MOUNT_CONFIG_TRUE='#'
+  MOUNT_CONFIG_FALSE=
+fi
+
+fi
+
+# Check whether --enable-nfsdcld was given.
+if test ${enable_nfsdcld+y}
+then :
+  enableval=$enable_nfsdcld; enable_nfsdcld=$enableval
+else $as_nop
+  enable_nfsdcld="yes"
+fi
+
+
+# Check whether --enable-nfsrahead was given.
+if test ${enable_nfsrahead+y}
+then :
+  enableval=$enable_nfsrahead; enable_nfsrahead=$enableval
+else $as_nop
+  enable_nfsrahead="yes"
+fi
+
+	 if test "$enable_nfsrahead" = "yes" ; then
+  CONFIG_NFSRAHEAD_TRUE=
+  CONFIG_NFSRAHEAD_FALSE='#'
+else
+  CONFIG_NFSRAHEAD_TRUE='#'
+  CONFIG_NFSRAHEAD_FALSE=
+fi
+
+	if test "$enable_nfsrahead" = yes; then
+
+
+
+
+
+
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+printf "%s\n" "$PKG_CONFIG" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+  ac_pt_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_ac_pt_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $ac_pt_PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+printf "%s\n" "$ac_pt_PKG_CONFIG" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_pt_PKG_CONFIG" = x; then
+    PKG_CONFIG=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_pt_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
+fi
+
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=0.9.0
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
+printf %s "checking pkg-config is at least version $_pkg_min_version... " >&6; }
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+	else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+		PKG_CONFIG=""
+	fi
+fi
+
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for LIBMOUNT" >&5
+printf %s "checking for LIBMOUNT... " >&6; }
+
+if test -n "$LIBMOUNT_CFLAGS"; then
+    pkg_cv_LIBMOUNT_CFLAGS="$LIBMOUNT_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"mount\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "mount") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_LIBMOUNT_CFLAGS=`$PKG_CONFIG --cflags "mount" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$LIBMOUNT_LIBS"; then
+    pkg_cv_LIBMOUNT_LIBS="$LIBMOUNT_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"mount\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "mount") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_LIBMOUNT_LIBS=`$PKG_CONFIG --libs "mount" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+   	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        LIBMOUNT_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "mount" 2>&1`
+        else
+	        LIBMOUNT_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "mount" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$LIBMOUNT_PKG_ERRORS" >&5
+
+	as_fn_error $? "Package requirements (mount) were not met:
+
+$LIBMOUNT_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+Alternatively, you may set the environment variables LIBMOUNT_CFLAGS
+and LIBMOUNT_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details." "$LINENO" 5
+elif test $pkg_failed = untried; then
+     	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+Alternatively, you may set the environment variables LIBMOUNT_CFLAGS
+and LIBMOUNT_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.
+See \`config.log' for more details" "$LINENO" 5; }
+else
+	LIBMOUNT_CFLAGS=$pkg_cv_LIBMOUNT_CFLAGS
+	LIBMOUNT_LIBS=$pkg_cv_LIBMOUNT_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+
+fi
+	fi
+
+# Check whether --enable-nfsdcltrack was given.
+if test ${enable_nfsdcltrack+y}
+then :
+  enableval=$enable_nfsdcltrack; enable_nfsdcltrack=$enableval
+else $as_nop
+  enable_nfsdcltrack="yes"
+fi
+
+
+# Check whether --enable-nfsv4server was given.
+if test ${enable_nfsv4server+y}
+then :
+  enableval=$enable_nfsv4server; enable_nfsv4server=$enableval
+else $as_nop
+  enable_nfsv4server="no"
+fi
+
+	if test "$enable_nfsv4server" = yes; then
+
+printf "%s\n" "#define HAVE_NFSV4SERVER_SUPPORT 1" >>confdefs.h
+
+	fi
+	 if test "$enable_nfsv4server" = "yes" ; then
+  CONFIG_NFSV4SERVER_TRUE=
+  CONFIG_NFSV4SERVER_FALSE='#'
+else
+  CONFIG_NFSV4SERVER_TRUE='#'
+  CONFIG_NFSV4SERVER_FALSE=
+fi
+
+
+
+
+
+
+
+
+
+
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+printf "%s\n" "$PKG_CONFIG" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+  ac_pt_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_ac_pt_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $ac_pt_PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+printf "%s\n" "$ac_pt_PKG_CONFIG" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_pt_PKG_CONFIG" = x; then
+    PKG_CONFIG=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_pt_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
+fi
+
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=0.9.0
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
+printf %s "checking pkg-config is at least version $_pkg_min_version... " >&6; }
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+	else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+		PKG_CONFIG=""
+	fi
+fi
+  if test "$enable_tirpc" != "no"
+then :
+
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for TIRPC" >&5
+printf %s "checking for TIRPC... " >&6; }
+
+if test -n "$TIRPC_CFLAGS"; then
+    pkg_cv_TIRPC_CFLAGS="$TIRPC_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libtirpc\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libtirpc") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_TIRPC_CFLAGS=`$PKG_CONFIG --cflags "libtirpc" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$TIRPC_LIBS"; then
+    pkg_cv_TIRPC_LIBS="$TIRPC_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libtirpc\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libtirpc") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_TIRPC_LIBS=`$PKG_CONFIG --libs "libtirpc" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+   	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        TIRPC_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libtirpc" 2>&1`
+        else
+	        TIRPC_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libtirpc" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$TIRPC_PKG_ERRORS" >&5
+
+
+
+
+# Check whether --with-tirpcinclude was given.
+if test ${with_tirpcinclude+y}
+then :
+  withval=$with_tirpcinclude; tirpc_header_dir=$withval
+else $as_nop
+  tirpc_header_dir=/usr/include/tirpc
+fi
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for clnt_tli_create in -ltirpc" >&5
+printf %s "checking for clnt_tli_create in -ltirpc... " >&6; }
+if test ${ac_cv_lib_tirpc_clnt_tli_create+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ltirpc  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char clnt_tli_create ();
+int
+main (void)
+{
+return clnt_tli_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_tirpc_clnt_tli_create=yes
+else $as_nop
+  ac_cv_lib_tirpc_clnt_tli_create=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tirpc_clnt_tli_create" >&5
+printf "%s\n" "$ac_cv_lib_tirpc_clnt_tli_create" >&6; }
+if test "x$ac_cv_lib_tirpc_clnt_tli_create" = xyes
+then :
+  has_libtirpc="yes"
+else $as_nop
+  has_libtirpc="no"
+fi
+
+
+      if test "$has_libtirpc" = "yes"
+then :
+  as_ac_File=`printf "%s\n" "ac_cv_file_${tirpc_header_dir}/netconfig.h" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ${tirpc_header_dir}/netconfig.h" >&5
+printf %s "checking for ${tirpc_header_dir}/netconfig.h... " >&6; }
+if eval test \${$as_ac_File+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  test "$cross_compiling" = yes &&
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
+if test -r "${tirpc_header_dir}/netconfig.h"; then
+  eval "$as_ac_File=yes"
+else
+  eval "$as_ac_File=no"
+fi
+fi
+eval ac_res=\$$as_ac_File
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"
+then :
+  AM_CPPFLAGS="-I${tirpc_header_dir}"
+
+else $as_nop
+  has_libtirpc="no"
+fi
+
+fi
+
+    if test "$has_libtirpc" = "yes"
+then :
+
+printf "%s\n" "#define HAVE_LIBTIRPC 1" >>confdefs.h
+
+         LIBTIRPC="-ltirpc"
+fi
+
+
+                       if test "$enable_tirpc" = "yes" -a -z "${LIBTIRPC}"
+then :
+  as_fn_error $? "libtirpc not found." "$LINENO" 5
+fi
+elif test $pkg_failed = untried; then
+     	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+
+
+# Check whether --with-tirpcinclude was given.
+if test ${with_tirpcinclude+y}
+then :
+  withval=$with_tirpcinclude; tirpc_header_dir=$withval
+else $as_nop
+  tirpc_header_dir=/usr/include/tirpc
+fi
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for clnt_tli_create in -ltirpc" >&5
+printf %s "checking for clnt_tli_create in -ltirpc... " >&6; }
+if test ${ac_cv_lib_tirpc_clnt_tli_create+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ltirpc  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char clnt_tli_create ();
+int
+main (void)
+{
+return clnt_tli_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_tirpc_clnt_tli_create=yes
+else $as_nop
+  ac_cv_lib_tirpc_clnt_tli_create=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tirpc_clnt_tli_create" >&5
+printf "%s\n" "$ac_cv_lib_tirpc_clnt_tli_create" >&6; }
+if test "x$ac_cv_lib_tirpc_clnt_tli_create" = xyes
+then :
+  has_libtirpc="yes"
+else $as_nop
+  has_libtirpc="no"
+fi
+
+
+      if test "$has_libtirpc" = "yes"
+then :
+  as_ac_File=`printf "%s\n" "ac_cv_file_${tirpc_header_dir}/netconfig.h" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ${tirpc_header_dir}/netconfig.h" >&5
+printf %s "checking for ${tirpc_header_dir}/netconfig.h... " >&6; }
+if eval test \${$as_ac_File+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  test "$cross_compiling" = yes &&
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
+if test -r "${tirpc_header_dir}/netconfig.h"; then
+  eval "$as_ac_File=yes"
+else
+  eval "$as_ac_File=no"
+fi
+fi
+eval ac_res=\$$as_ac_File
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"
+then :
+  AM_CPPFLAGS="-I${tirpc_header_dir}"
+
+else $as_nop
+  has_libtirpc="no"
+fi
+
+fi
+
+    if test "$has_libtirpc" = "yes"
+then :
+
+printf "%s\n" "#define HAVE_LIBTIRPC 1" >>confdefs.h
+
+         LIBTIRPC="-ltirpc"
+fi
+
+
+                       if test "$enable_tirpc" = "yes" -a -z "${LIBTIRPC}"
+then :
+  as_fn_error $? "libtirpc not found." "$LINENO" 5
+fi
+else
+	TIRPC_CFLAGS=$pkg_cv_TIRPC_CFLAGS
+	TIRPC_LIBS=$pkg_cv_TIRPC_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+	LIBTIRPC="${TIRPC_LIBS}"
+                       AM_CPPFLAGS="${AM_CPPFLAGS} ${TIRPC_CFLAGS}"
+
+printf "%s\n" "#define HAVE_LIBTIRPC 1" >>confdefs.h
+
+fi
+fi
+
+     if test -n "${LIBTIRPC}"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for authgss_free_private_data in -ltirpc" >&5
+printf %s "checking for authgss_free_private_data in -ltirpc... " >&6; }
+if test ${ac_cv_lib_tirpc_authgss_free_private_data+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ltirpc ${LIBS} $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char authgss_free_private_data ();
+int
+main (void)
+{
+return authgss_free_private_data ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_tirpc_authgss_free_private_data=yes
+else $as_nop
+  ac_cv_lib_tirpc_authgss_free_private_data=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tirpc_authgss_free_private_data" >&5
+printf "%s\n" "$ac_cv_lib_tirpc_authgss_free_private_data" >&6; }
+if test "x$ac_cv_lib_tirpc_authgss_free_private_data" = xyes
+then :
+
+printf "%s\n" "#define HAVE_AUTHGSS_FREE_PRIVATE_DATA 1" >>confdefs.h
+
+fi
+
+fi
+
+     if test -n "${LIBTIRPC}"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libtirpc_set_debug in -ltirpc" >&5
+printf %s "checking for libtirpc_set_debug in -ltirpc... " >&6; }
+if test ${ac_cv_lib_tirpc_libtirpc_set_debug+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ltirpc ${LIBS} $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char libtirpc_set_debug ();
+int
+main (void)
+{
+return libtirpc_set_debug ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_tirpc_libtirpc_set_debug=yes
+else $as_nop
+  ac_cv_lib_tirpc_libtirpc_set_debug=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tirpc_libtirpc_set_debug" >&5
+printf "%s\n" "$ac_cv_lib_tirpc_libtirpc_set_debug" >&6; }
+if test "x$ac_cv_lib_tirpc_libtirpc_set_debug" = xyes
+then :
+
+printf "%s\n" "#define HAVE_LIBTIRPC_SET_DEBUG 1" >>confdefs.h
+
+fi
+
+fi
+
+
+
+
+
+
+
+
+    ac_fn_c_check_func "$LINENO" "prctl" "ac_cv_func_prctl"
+if test "x$ac_cv_func_prctl" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "prctl syscall is not available" "$LINENO" 5
+fi
+
+
+  # Check whether --enable-caps was given.
+if test ${enable_caps+y}
+then :
+  enableval=$enable_caps;
+fi
+
+
+  LIBCAP=
+
+  if test "x$enable_caps" != "xno" ; then
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cap_get_proc in -lcap" >&5
+printf %s "checking for cap_get_proc in -lcap... " >&6; }
+if test ${ac_cv_lib_cap_cap_get_proc+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcap  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char cap_get_proc ();
+int
+main (void)
+{
+return cap_get_proc ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_cap_cap_get_proc=yes
+else $as_nop
+  ac_cv_lib_cap_cap_get_proc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cap_cap_get_proc" >&5
+printf "%s\n" "$ac_cv_lib_cap_cap_get_proc" >&6; }
+if test "x$ac_cv_lib_cap_cap_get_proc" = xyes
+then :
+  LIBCAP=-lcap
+fi
+
+
+           for ac_header in sys/capability.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "sys/capability.h" "ac_cv_header_sys_capability_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_capability_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_CAPABILITY_H 1" >>confdefs.h
+
+else $as_nop
+  test "x$enable_caps" = "xyes" && as_fn_error $? "libcap headers not found." "$LINENO" 5
+fi
+
+done
+  fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+	if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+printf "%s\n" "$PKG_CONFIG" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+  ac_pt_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_ac_pt_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $ac_pt_PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+printf "%s\n" "$ac_pt_PKG_CONFIG" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_pt_PKG_CONFIG" = x; then
+    PKG_CONFIG=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_pt_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
+fi
+
+fi
+if test -n "$PKG_CONFIG"; then
+	_pkg_min_version=0.9.0
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
+printf %s "checking pkg-config is at least version $_pkg_min_version... " >&6; }
+	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+	else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+		PKG_CONFIG=""
+	fi
+fi
+  if test "$enable_junction" = "yes"
+then :
+
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for XML2" >&5
+printf %s "checking for XML2... " >&6; }
+
+if test -n "$XML2_CFLAGS"; then
+    pkg_cv_XML2_CFLAGS="$XML2_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libxml-2.0 >= 2.4\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libxml-2.0 >= 2.4") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_XML2_CFLAGS=`$PKG_CONFIG --cflags "libxml-2.0 >= 2.4" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$XML2_LIBS"; then
+    pkg_cv_XML2_LIBS="$XML2_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libxml-2.0 >= 2.4\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libxml-2.0 >= 2.4") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_XML2_LIBS=`$PKG_CONFIG --libs "libxml-2.0 >= 2.4" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+   	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        XML2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libxml-2.0 >= 2.4" 2>&1`
+        else
+	        XML2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libxml-2.0 >= 2.4" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$XML2_PKG_ERRORS" >&5
+
+	as_fn_error $? "libxml2 not found." "$LINENO" 5
+elif test $pkg_failed = untried; then
+     	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	as_fn_error $? "libxml2 not found." "$LINENO" 5
+else
+	XML2_CFLAGS=$pkg_cv_XML2_CFLAGS
+	XML2_LIBS=$pkg_cv_XML2_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+	LIBXML2="${XML2_LIBS}"
+                        AM_CPPFLAGS="${AM_CPPFLAGS} ${XML2_CFLAGS}"
+
+printf "%s\n" "#define HAVE_LIBXML2 1" >>confdefs.h
+
+fi
+fi
+
+
+
+
+
+
+# Check whether user wants TCP wrappers support
+
+  TCPW_MSG="no"
+
+# Check whether --with-tcp-wrappers was given.
+if test ${with_tcp_wrappers+y}
+then :
+  withval=$with_tcp_wrappers; with_tcpw=$withval
+else $as_nop
+  with_tcpw=no
+fi
+
+        if test "x$with_tcpw" != "xno" ; then
+            saved_LIBS="$LIBS"
+            saved_LDFLAGS="$LDFLAGS"
+            saved_CPPFLAGS="$CPPFLAGS"
+            if test -n "${with_tcpw}" -a "${with_tcpw}" != "yes"; then
+                if test -d "${with_tcpw}/lib"; then
+                    if test -n "${need_dash_r}"; then
+                        LDFLAGS="-L${with_tcpw}/lib -R${with_tcpw}/lib ${LDFLAGS}"
+                    else
+                        LDFLAGS="-L${with_tcpw}/lib ${LDFLAGS}"
+                    fi
+                else
+                    if test -n "${need_dash_r}"; then
+                        LDFLAGS="-L${with_tcpw} -R${with_tcpw} ${LDFLAGS}"
+                    else
+                        LDFLAGS="-L${with_tcpw} ${LDFLAGS}"
+                    fi
+                fi
+                if test -d "${with_tcpw}/include"; then
+                    CPPFLAGS="-I${with_tcpw}/include ${CPPFLAGS}"
+                else
+                    CPPFLAGS="-I${with_tcpw} ${CPPFLAGS}"
+                fi
+            fi
+            LIBWRAP="-lwrap"
+            LIBS="$LIBWRAP $LIBS"
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libwrap" >&5
+printf %s "checking for libwrap... " >&6; }
+            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+                #include <tcpd.h>
+                int deny_severity = 0, allow_severity = 0;
+
+int
+main (void)
+{
+hosts_access(0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+
+
+printf "%s\n" "#define LIBWRAP 1" >>confdefs.h
+
+
+printf "%s\n" "#define HAVE_LIBWRAP 1" >>confdefs.h
+
+
+printf "%s\n" "#define HAVE_TCP_WRAPPER 1" >>confdefs.h
+
+                TCPW_MSG="yes"
+
+else $as_nop
+
+                as_fn_error $? "*** libwrap missing" "$LINENO" 5
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+            LIBS="$saved_LIBS"
+        fi
+
+
+
+
+
+# Arrange for large-file support
+# Check whether --enable-largefile was given.
+if test ${enable_largefile+y}
+then :
+  enableval=$enable_largefile;
+fi
+
+if test "$enable_largefile" != no; then
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
+printf %s "checking for special C compiler options needed for large files... " >&6; }
+if test ${ac_cv_sys_largefile_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+	 # IRIX 6.2 and later do not support large files by default,
+	 # so use the C compiler's -n32 option if that helps.
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+	 if ac_fn_c_try_compile "$LINENO"
+then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+	 CC="$CC -n32"
+	 if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_largefile_CC=' -n32'; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+	 break
+       done
+       CC=$ac_save_CC
+       rm -f conftest.$ac_ext
+    fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
+printf "%s\n" "$ac_cv_sys_largefile_CC" >&6; }
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+printf %s "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if test ${ac_cv_sys_file_offset_bits+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_file_offset_bits=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_file_offset_bits=64; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  ac_cv_sys_file_offset_bits=unknown
+  break
+done
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
+printf "%s\n" "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+  no | unknown) ;;
+  *)
+printf "%s\n" "#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits" >>confdefs.h
+;;
+esac
+rm -rf conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
+printf %s "checking for _LARGE_FILES value needed for large files... " >&6; }
+if test ${ac_cv_sys_large_files+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_large_files=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_large_files=1; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
+printf "%s\n" "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+printf "%s\n" "#define _LARGE_FILES $ac_cv_sys_large_files" >>confdefs.h
+;;
+esac
+rm -rf conftest*
+  fi
+fi
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getrandom()" >&5
+printf %s "checking for getrandom()... " >&6; }
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		   #include <stdlib.h>  /* for NULL */
+		   #include <sys/random.h>
+
+int
+main (void)
+{
+ return getrandom(NULL, 0U, 0U);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+printf "%s\n" "#define HAVE_GETRANDOM 1" >>confdefs.h
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+
+
+
+
+
+ac_config_headers="$ac_config_headers support/include/config.h"
+
+
+# Checks for programs.
+
+
+
+
+
+
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+if test -z "$CXX"; then
+  if test -n "$CCC"; then
+    CXX=$CCC
+  else
+    if test -n "$ac_tool_prefix"; then
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CXX"; then
+  ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CXX=$ac_cv_prog_CXX
+if test -n "$CXX"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+printf "%s\n" "$CXX" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$CXX" && break
+  done
+fi
+if test -z "$CXX"; then
+  ac_ct_CXX=$CXX
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CXX"; then
+  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CXX="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+if test -n "$ac_ct_CXX"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+printf "%s\n" "$ac_ct_CXX" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CXX" && break
+done
+
+  if test "x$ac_ct_CXX" = x; then
+    CXX="g++"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CXX=$ac_ct_CXX
+  fi
+fi
+
+  fi
+fi
+# Provide some information about the compiler.
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C++" >&5
+printf %s "checking whether the compiler supports GNU C++... " >&6; }
+if test ${ac_cv_cxx_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_compiler_gnu=yes
+else $as_nop
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+if test $ac_compiler_gnu = yes; then
+  GXX=yes
+else
+  GXX=
+fi
+ac_test_CXXFLAGS=${CXXFLAGS+y}
+ac_save_CXXFLAGS=$CXXFLAGS
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
+printf %s "checking whether $CXX accepts -g... " >&6; }
+if test ${ac_cv_prog_cxx_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+   ac_cxx_werror_flag=yes
+   ac_cv_prog_cxx_g=no
+   CXXFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_g=yes
+else $as_nop
+  CXXFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+else $as_nop
+  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+	 CXXFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
+printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
+if test $ac_test_CXXFLAGS; then
+  CXXFLAGS=$ac_save_CXXFLAGS
+elif test $ac_cv_prog_cxx_g = yes; then
+  if test "$GXX" = yes; then
+    CXXFLAGS="-g -O2"
+  else
+    CXXFLAGS="-g"
+  fi
+else
+  if test "$GXX" = yes; then
+    CXXFLAGS="-O2"
+  else
+    CXXFLAGS=
+  fi
+fi
+ac_prog_cxx_stdcxx=no
+if test x$ac_prog_cxx_stdcxx = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
+printf %s "checking for $CXX option to enable C++11 features... " >&6; }
+if test ${ac_cv_prog_cxx_cxx11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_cxx11=no
+ac_save_CXX=$CXX
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_cxx_conftest_cxx11_program
+_ACEOF
+for ac_arg in '' -std=gnu++11 -std=gnu++0x -std=c++11 -std=c++0x -qlanglvl=extended0x -AA
+do
+  CXX="$ac_save_CXX $ac_arg"
+  if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_cxx11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CXX=$ac_save_CXX
+fi
+
+if test "x$ac_cv_prog_cxx_cxx11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
+printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
+     CXX="$CXX $ac_cv_prog_cxx_cxx11"
+fi
+  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
+  ac_prog_cxx_stdcxx=cxx11
+fi
+fi
+if test x$ac_prog_cxx_stdcxx = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
+printf %s "checking for $CXX option to enable C++98 features... " >&6; }
+if test ${ac_cv_prog_cxx_cxx98+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_cxx98=no
+ac_save_CXX=$CXX
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_cxx_conftest_cxx98_program
+_ACEOF
+for ac_arg in '' -std=gnu++98 -std=c++98 -qlanglvl=extended -AA
+do
+  CXX="$ac_save_CXX $ac_arg"
+  if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_cxx98=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CXX=$ac_save_CXX
+fi
+
+if test "x$ac_cv_prog_cxx_cxx98" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx98" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
+printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
+     CXX="$CXX $ac_cv_prog_cxx_cxx98"
+fi
+  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
+  ac_prog_cxx_stdcxx=cxx98
+fi
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+depcc="$CXX"  am_compiler_list=
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+printf %s "checking dependency style of $depcc... " >&6; }
+if test ${am_cv_CXX_dependencies_compiler_type+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CXX_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CXX_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CXX_dependencies_compiler_type=none
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
+printf "%s\n" "$am_cv_CXX_dependencies_compiler_type" >&6; }
+CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then
+  am__fastdepCXX_TRUE=
+  am__fastdepCXX_FALSE='#'
+else
+  am__fastdepCXX_TRUE='#'
+  am__fastdepCXX_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
+set dummy ${ac_tool_prefix}clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "clang", so it can be a program name with args.
+set dummy clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+fi
+
+
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
+
+# Provide some information about the compiler.
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion -version; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
+printf %s "checking whether the compiler supports GNU C... " >&6; }
+if test ${ac_cv_c_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_compiler_gnu=yes
+else $as_nop
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+y}
+ac_save_CFLAGS=$CFLAGS
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+printf %s "checking whether $CC accepts -g... " >&6; }
+if test ${ac_cv_prog_cc_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_g=yes
+else $as_nop
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+else $as_nop
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
+if test $ac_test_CFLAGS; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+ac_prog_cc_stdc=no
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
+printf %s "checking for $CC option to enable C11 features... " >&6; }
+if test ${ac_cv_prog_cc_c11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c11=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c11_program
+_ACEOF
+for ac_arg in '' -std=gnu11
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
+     CC="$CC $ac_cv_prog_cc_c11"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
+  ac_prog_cc_stdc=c11
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
+printf %s "checking for $CC option to enable C99 features... " >&6; }
+if test ${ac_cv_prog_cc_c99+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c99_program
+_ACEOF
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c99=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c99" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
+     CC="$CC $ac_cv_prog_cc_c99"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
+  ac_prog_cc_stdc=c99
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
+printf %s "checking for $CC option to enable C89 features... " >&6; }
+if test ${ac_cv_prog_cc_c89+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c89_program
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c89" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
+     CC="$CC $ac_cv_prog_cc_c89"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
+  ac_prog_cc_stdc=c89
+fi
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
+printf %s "checking whether $CC understands -c and -o together... " >&6; }
+if test ${am_cv_prog_cc_c_o+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
+   ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
+printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+depcc="$CC"   am_compiler_list=
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+printf %s "checking dependency style of $depcc... " >&6; }
+if test ${am_cv_CC_dependencies_compiler_type+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
+printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+printf %s "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test ${ac_cv_prog_CPP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+      # Double quotes because $CC needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+  break
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+printf "%s\n" "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+printf %s "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+printf "%s\n" "no, using $LN_S" >&6; }
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+printf %s "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if eval test \${ac_cv_prog_make_${ac_make}_set+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+  SET_MAKE=
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+case `pwd` in
+  *\ * | *\	*)
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+printf "%s\n" "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
+esac
+
+
+
+macro_version='2.4.7'
+macro_revision='2.4.7'
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ltmain=$ac_aux_dir/ltmain.sh
+
+# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
+printf %s "checking how to print strings... " >&6; }
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO ""
+}
+
+case $ECHO in
+  printf*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: printf" >&5
+printf "%s\n" "printf" >&6; } ;;
+  print*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
+printf "%s\n" "print -r" >&6; } ;;
+  *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: cat" >&5
+printf "%s\n" "cat" >&6; } ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
+printf %s "checking for a sed that does not truncate output... " >&6; }
+if test ${ac_cv_path_SED+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+     { ac_script=; unset ac_script;}
+     if test -z "$SED"; then
+  ac_path_SED_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in sed gsed
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_SED="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_SED" || continue
+# Check for GNU ac_path_SED and select it if it is found.
+  # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+  ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" '' >> "conftest.nl"
+    "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_SED_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_SED="$ac_path_SED"
+      ac_path_SED_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_SED_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_SED"; then
+    as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
+  fi
+else
+  ac_cv_path_SED=$SED
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
+printf "%s\n" "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+  rm -f conftest.sed
+
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+
+
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
+printf %s "checking for fgrep... " >&6; }
+if test ${ac_cv_path_FGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+   then ac_cv_path_FGREP="$GREP -F"
+   else
+     if test -z "$FGREP"; then
+  ac_path_FGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in fgrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_FGREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_FGREP" || continue
+# Check for GNU ac_path_FGREP and select it if it is found.
+  # Check for GNU $ac_path_FGREP
+case `"$ac_path_FGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'FGREP' >> "conftest.nl"
+    "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_FGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_FGREP="$ac_path_FGREP"
+      ac_path_FGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_FGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_FGREP"; then
+    as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_FGREP=$FGREP
+fi
+
+   fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
+printf "%s\n" "$ac_cv_path_FGREP" >&6; }
+ FGREP="$ac_cv_path_FGREP"
+
+
+test -z "$GREP" && GREP=grep
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-gnu-ld was given.
+if test ${with_gnu_ld+y}
+then :
+  withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
+else $as_nop
+  with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test yes = "$GCC"; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
+printf %s "checking for ld used by $CC... " >&6; }
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return, which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [\\/]* | ?:[\\/]*)
+      re_direlt='/[^/][^/]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD=$ac_prog
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test yes = "$with_gnu_ld"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+printf %s "checking for GNU ld... " >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+printf %s "checking for non-GNU ld... " >&6; }
+fi
+if test ${lt_cv_path_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$LD"; then
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD=$ac_dir/$ac_prog
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test no != "$with_gnu_ld" && break
+	;;
+      *)
+	test yes != "$with_gnu_ld" && break
+	;;
+      esac
+    fi
+  done
+  IFS=$lt_save_ifs
+else
+  lt_cv_path_LD=$LD # Let the user override the test with a path.
+fi
+fi
+
+LD=$lt_cv_path_LD
+if test -n "$LD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
+printf %s "checking if the linker ($LD) is GNU ld... " >&6; }
+if test ${lt_cv_prog_gnu_ld+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
+printf "%s\n" "$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
+printf %s "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
+if test ${lt_cv_path_NM+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM=$NM
+else
+  lt_nm_to_check=${ac_tool_prefix}nm
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS=$lt_save_ifs
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm=$ac_dir/$lt_tmp_nm
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
+	case $build_os in
+	mingw*) lt_bad_file=conftest.nm/nofile ;;
+	*) lt_bad_file=/dev/null ;;
+	esac
+	case `"$tmp_nm" -B $lt_bad_file 2>&1 | $SED '1q'` in
+	*$lt_bad_file* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break 2
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | $SED '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break 2
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS=$lt_save_ifs
+  done
+  : ${lt_cv_path_NM=no}
+fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
+printf "%s\n" "$lt_cv_path_NM" >&6; }
+if test no != "$lt_cv_path_NM"; then
+  NM=$lt_cv_path_NM
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$DUMPBIN"; then :
+    # Let the user override the test.
+  else
+    if test -n "$ac_tool_prefix"; then
+  for ac_prog in dumpbin "link -dump"
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_DUMPBIN+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$DUMPBIN"; then
+  ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DUMPBIN=$ac_cv_prog_DUMPBIN
+if test -n "$DUMPBIN"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
+printf "%s\n" "$DUMPBIN" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$DUMPBIN" && break
+  done
+fi
+if test -z "$DUMPBIN"; then
+  ac_ct_DUMPBIN=$DUMPBIN
+  for ac_prog in dumpbin "link -dump"
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_DUMPBIN+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_DUMPBIN"; then
+  ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
+if test -n "$ac_ct_DUMPBIN"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
+printf "%s\n" "$ac_ct_DUMPBIN" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_DUMPBIN" && break
+done
+
+  if test "x$ac_ct_DUMPBIN" = x; then
+    DUMPBIN=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DUMPBIN=$ac_ct_DUMPBIN
+  fi
+fi
+
+    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | $SED '1q'` in
+    *COFF*)
+      DUMPBIN="$DUMPBIN -symbols -headers"
+      ;;
+    *)
+      DUMPBIN=:
+      ;;
+    esac
+  fi
+
+  if test : != "$DUMPBIN"; then
+    NM=$DUMPBIN
+  fi
+fi
+test -z "$NM" && NM=nm
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
+printf %s "checking the name lister ($NM) interface... " >&6; }
+if test ${lt_cv_nm_interface+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:$LINENO: output\"" >&5)
+  cat conftest.out >&5
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
+printf "%s\n" "$lt_cv_nm_interface" >&6; }
+
+# find the maximum length of command line arguments
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
+printf %s "checking the maximum length of command line arguments... " >&6; }
+if test ${lt_cv_sys_max_cmd_len+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+    i=0
+  teststring=ABCD
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw* | cegcc*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  mint*)
+    # On MiNT this can take a long time and run out of memory.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[	 ]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+       test undefined != "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
+	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test 17 != "$i" # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+
+fi
+
+if test -n "$lt_cv_sys_max_cmd_len"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
+printf "%s\n" "$lt_cv_sys_max_cmd_len" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5
+printf "%s\n" "none" >&6; }
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+
+
+
+
+
+: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+
+
+
+
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5
+printf %s "checking how to convert $build file names to $host format... " >&6; }
+if test ${lt_cv_to_host_file_cmd+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+        ;;
+    esac
+    ;;
+  *-*-cygwin* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_noop
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+        ;;
+    esac
+    ;;
+  * ) # unhandled hosts (and "normal" native builds)
+    lt_cv_to_host_file_cmd=func_convert_file_noop
+    ;;
+esac
+
+fi
+
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
+printf "%s\n" "$lt_cv_to_host_file_cmd" >&6; }
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5
+printf %s "checking how to convert $build file names to toolchain format... " >&6; }
+if test ${lt_cv_to_tool_file_cmd+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  #assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+        ;;
+    esac
+    ;;
+esac
+
+fi
+
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
+printf "%s\n" "$lt_cv_to_tool_file_cmd" >&6; }
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
+printf %s "checking for $LD option to reload object files... " >&6; }
+if test ${lt_cv_ld_reload_flag+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_ld_reload_flag='-r'
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
+printf "%s\n" "$lt_cv_ld_reload_flag" >&6; }
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    if test yes != "$GCC"; then
+      reload_cmds=false
+    fi
+    ;;
+  darwin*)
+    if test yes = "$GCC"; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}file", so it can be a program name with args.
+set dummy ${ac_tool_prefix}file; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_FILECMD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$FILECMD"; then
+  ac_cv_prog_FILECMD="$FILECMD" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_FILECMD="${ac_tool_prefix}file"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+FILECMD=$ac_cv_prog_FILECMD
+if test -n "$FILECMD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $FILECMD" >&5
+printf "%s\n" "$FILECMD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_FILECMD"; then
+  ac_ct_FILECMD=$FILECMD
+  # Extract the first word of "file", so it can be a program name with args.
+set dummy file; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_FILECMD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_FILECMD"; then
+  ac_cv_prog_ac_ct_FILECMD="$ac_ct_FILECMD" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_FILECMD="file"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_FILECMD=$ac_cv_prog_ac_ct_FILECMD
+if test -n "$ac_ct_FILECMD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_FILECMD" >&5
+printf "%s\n" "$ac_ct_FILECMD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_FILECMD" = x; then
+    FILECMD=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    FILECMD=$ac_ct_FILECMD
+  fi
+else
+  FILECMD="$ac_cv_prog_FILECMD"
+fi
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
+set dummy ${ac_tool_prefix}objdump; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_OBJDUMP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+printf "%s\n" "$OBJDUMP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OBJDUMP"; then
+  ac_ct_OBJDUMP=$OBJDUMP
+  # Extract the first word of "objdump", so it can be a program name with args.
+set dummy objdump; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_OBJDUMP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_OBJDUMP"; then
+  ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_OBJDUMP="objdump"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
+if test -n "$ac_ct_OBJDUMP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
+printf "%s\n" "$ac_ct_OBJDUMP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_OBJDUMP" = x; then
+    OBJDUMP="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    OBJDUMP=$ac_ct_OBJDUMP
+  fi
+else
+  OBJDUMP="$ac_cv_prog_OBJDUMP"
+fi
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
+printf %s "checking how to recognize dependent libraries... " >&6; }
+if test ${lt_cv_deplibs_check_method+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# 'unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# that responds to the $file_magic_cmd with a given extended regex.
+# If you have 'file' or equivalent on your system and you're not sure
+# whether 'pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[4-9]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[45]*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='$FILECMD -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    # Keep this pattern in sync with the one in func_win32_libid.
+    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+cegcc*)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly* | midnightbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=$FILECMD
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+haiku*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=$FILECMD
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[3-9]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=$FILECMD
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd* | bitrig*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+os2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
+printf "%s\n" "$lt_cv_deplibs_check_method" >&6; }
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+  case $host_os in
+  mingw* | pw32*)
+    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+      want_nocaseglob=yes
+    else
+      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"`
+    fi
+    ;;
+  esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dlltool; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_DLLTOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$DLLTOOL"; then
+  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DLLTOOL=$ac_cv_prog_DLLTOOL
+if test -n "$DLLTOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
+printf "%s\n" "$DLLTOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DLLTOOL"; then
+  ac_ct_DLLTOOL=$DLLTOOL
+  # Extract the first word of "dlltool", so it can be a program name with args.
+set dummy dlltool; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_DLLTOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_DLLTOOL"; then
+  ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DLLTOOL="dlltool"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
+if test -n "$ac_ct_DLLTOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
+printf "%s\n" "$ac_ct_DLLTOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_DLLTOOL" = x; then
+    DLLTOOL="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DLLTOOL=$ac_ct_DLLTOOL
+  fi
+else
+  DLLTOOL="$ac_cv_prog_DLLTOOL"
+fi
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5
+printf %s "checking how to associate runtime and link libraries... " >&6; }
+if test ${lt_cv_sharedlib_from_linklib_cmd+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+  # two different shell functions defined in ltmain.sh;
+  # decide which one to use based on capabilities of $DLLTOOL
+  case `$DLLTOOL --help 2>&1` in
+  *--identify-strict*)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+    ;;
+  *)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+    ;;
+  esac
+  ;;
+*)
+  # fallback: assume linklib IS sharedlib
+  lt_cv_sharedlib_from_linklib_cmd=$ECHO
+  ;;
+esac
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
+printf "%s\n" "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in ar
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$AR"; then
+  ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_AR="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+printf "%s\n" "$AR" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$AR" && break
+  done
+fi
+if test -z "$AR"; then
+  ac_ct_AR=$AR
+  for ac_prog in ar
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_AR"; then
+  ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_AR="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+printf "%s\n" "$ac_ct_AR" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_AR" && break
+done
+
+  if test "x$ac_ct_AR" = x; then
+    AR="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    AR=$ac_ct_AR
+  fi
+fi
+
+: ${AR=ar}
+
+
+
+
+
+
+# Use ARFLAGS variable as AR's operation code to sync the variable naming with
+# Automake.  If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have
+# higher priority because thats what people were doing historically (setting
+# ARFLAGS for automake and AR_FLAGS for libtool).  FIXME: Make the AR_FLAGS
+# variable obsoleted/removed.
+
+test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr}
+lt_ar_flags=$AR_FLAGS
+
+
+
+
+
+
+# Make AR_FLAGS overridable by 'make ARFLAGS='.  Don't try to run-time override
+# by AR_FLAGS because that was never working and AR_FLAGS is about to die.
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5
+printf %s "checking for archiver @FILE support... " >&6; }
+if test ${lt_cv_ar_at_file+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_ar_at_file=no
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  echo conftest.$ac_objext > conftest.lst
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5'
+      { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
+  (eval $lt_ar_try) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      if test 0 -eq "$ac_status"; then
+	# Ensure the archiver fails upon bogus file names.
+	rm -f conftest.$ac_objext libconftest.a
+	{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
+  (eval $lt_ar_try) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+	if test 0 -ne "$ac_status"; then
+          lt_cv_ar_at_file=@
+        fi
+      fi
+      rm -f conftest.* libconftest.a
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
+printf "%s\n" "$lt_cv_ar_at_file" >&6; }
+
+if test no = "$lt_cv_ar_at_file"; then
+  archiver_list_spec=
+else
+  archiver_list_spec=$lt_cv_ar_at_file
+fi
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_STRIP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+printf "%s\n" "$STRIP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_STRIP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+printf "%s\n" "$ac_ct_STRIP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+test -z "$STRIP" && STRIP=:
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_RANLIB+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+printf "%s\n" "$RANLIB" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+  ac_ct_RANLIB=$RANLIB
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_RANLIB+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_RANLIB"; then
+  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_RANLIB="ranlib"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+printf "%s\n" "$ac_ct_RANLIB" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_RANLIB" = x; then
+    RANLIB=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    RANLIB=$ac_ct_RANLIB
+  fi
+else
+  RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+test -z "$RANLIB" && RANLIB=:
+
+
+
+
+
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  bitrig* | openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+  darwin*)
+    lock_old_archive_extraction=yes ;;
+  *)
+    lock_old_archive_extraction=no ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5
+printf %s "checking command to parse $NM output from $compiler object... " >&6; }
+if test ${lt_cv_sys_global_symbol_pipe+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[BCDEGRST]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[BCDT]'
+  ;;
+cygwin* | mingw* | pw32* | cegcc*)
+  symcode='[ABCDGISTW]'
+  ;;
+hpux*)
+  if test ia64 = "$host_cpu"; then
+    symcode='[ABCDEGRST]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[BCDEGRST]'
+  ;;
+osf*)
+  symcode='[BCDEGQRST]'
+  ;;
+solaris*)
+  symcode='[BDRT]'
+  ;;
+sco3.2v5*)
+  symcode='[DT]'
+  ;;
+sysv4.2uw2*)
+  symcode='[DT]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[ABDT]'
+  ;;
+sysv4)
+  symcode='[DFNSTU]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[ABCDGIRSTW]' ;;
+esac
+
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  # Gets list of data symbols to import.
+  lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'"
+  # Adjust the below global symbol transforms to fixup imported variables.
+  lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'"
+  lt_c_name_hook=" -e 's/^I .* \(.*\)$/  {\"\1\", (void *) 0},/p'"
+  lt_c_name_lib_hook="\
+  -e 's/^I .* \(lib.*\)$/  {\"\1\", (void *) 0},/p'\
+  -e 's/^I .* \(.*\)$/  {\"lib\1\", (void *) 0},/p'"
+else
+  # Disable hooks by default.
+  lt_cv_sys_global_symbol_to_import=
+  lt_cdecl_hook=
+  lt_c_name_hook=
+  lt_c_name_lib_hook=
+fi
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="$SED -n"\
+$lt_cdecl_hook\
+" -e 's/^T .* \(.*\)$/extern int \1();/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\
+$lt_c_name_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/p'"
+
+# Transform an extracted symbol line into symbol name with lib prefix and
+# symbol address.
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\
+$lt_c_name_lib_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(lib.*\)$/  {\"\1\", (void *) \&\1},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"lib\1\", (void *) \&\1},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function,
+    # D for any global variable and I for any imported variable.
+    # Also find C++ and __fastcall symbols from MSVC++ or ICC,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK '"\
+"     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\
+"     /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
+"     /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\
+"     {split(\$ 0,a,/\||\r/); split(a[2],s)};"\
+"     s[1]~/^[@?]/{print f,s[1],s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx"
+  else
+    lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[	 ]\($symcode$symcode*\)[	 ][	 ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'"
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5
+  (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
+/* DATA imports from DLLs on WIN32 can't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT_DLSYM_CONST
+#elif defined __osf__
+/* This system does not cope well with relocations in const data.  */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+LT_DLSYM_CONST struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_globsym_save_LIBS=$LIBS
+	  lt_globsym_save_CFLAGS=$CFLAGS
+	  LIBS=conftstm.$ac_objext
+	  CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
+	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s conftest$ac_exeext; then
+	    pipe_works=yes
+	  fi
+	  LIBS=$lt_globsym_save_LIBS
+	  CFLAGS=$lt_globsym_save_CFLAGS
+	else
+	  echo "cannot find nm_test_func in $nlist" >&5
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&5
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
+    fi
+  else
+    echo "$progname: failed program was:" >&5
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test yes = "$pipe_works"; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+
+fi
+
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: failed" >&5
+printf "%s\n" "failed" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5
+printf "%s\n" "ok" >&6; }
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then
+  nm_file_list_spec='@'
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5
+printf %s "checking for sysroot... " >&6; }
+
+# Check whether --with-sysroot was given.
+if test ${with_sysroot+y}
+then :
+  withval=$with_sysroot;
+else $as_nop
+  with_sysroot=no
+fi
+
+
+lt_sysroot=
+case $with_sysroot in #(
+ yes)
+   if test yes = "$GCC"; then
+     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+   fi
+   ;; #(
+ /*)
+   lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"`
+   ;; #(
+ no|'')
+   ;; #(
+ *)
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5
+printf "%s\n" "$with_sysroot" >&6; }
+   as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5
+   ;;
+esac
+
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5
+printf "%s\n" "${lt_sysroot:-no}" >&6; }
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5
+printf %s "checking for a working dd... " >&6; }
+if test ${ac_cv_path_lt_DD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+: ${lt_DD:=$DD}
+if test -z "$lt_DD"; then
+  ac_path_lt_DD_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in dd
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_lt_DD="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_lt_DD" || continue
+if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
+fi
+      $ac_path_lt_DD_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_lt_DD"; then
+    :
+  fi
+else
+  ac_cv_path_lt_DD=$lt_DD
+fi
+
+rm -f conftest.i conftest2.i conftest.out
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
+printf "%s\n" "$ac_cv_path_lt_DD" >&6; }
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5
+printf %s "checking how to truncate binary pipes... " >&6; }
+if test ${lt_cv_truncate_bin+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+lt_cv_truncate_bin=
+if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
+fi
+rm -f conftest.i conftest2.i conftest.out
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
+printf "%s\n" "$lt_cv_truncate_bin" >&6; }
+
+
+
+
+
+
+
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in $*""; do
+      case $cc_temp in
+        compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+        distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+
+# Check whether --enable-libtool-lock was given.
+if test ${enable_libtool_lock+y}
+then :
+  enableval=$enable_libtool_lock;
+fi
+
+test no = "$enable_libtool_lock" || enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out what ABI is being produced by ac_compile, and set mode
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    case `$FILECMD conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE=32
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE=64
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    if test yes = "$lt_cv_prog_gnu_ld"; then
+      case `$FILECMD conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `$FILECMD conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+mips64*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    emul=elf
+    case `$FILECMD conftest.$ac_objext` in
+      *32-bit*)
+	emul="${emul}32"
+	;;
+      *64-bit*)
+	emul="${emul}64"
+	;;
+    esac
+    case `$FILECMD conftest.$ac_objext` in
+      *MSB*)
+	emul="${emul}btsmip"
+	;;
+      *LSB*)
+	emul="${emul}ltsmip"
+	;;
+    esac
+    case `$FILECMD conftest.$ac_objext` in
+      *N32*)
+	emul="${emul}n32"
+	;;
+    esac
+    LD="${LD-ld} -m $emul"
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.  Note that the listed cases only cover the
+  # situations where additional linker options are needed (such as when
+  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
+  # vice versa); the common cases where no linker options are needed do
+  # not appear in the list.
+  echo 'int i;' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    case `$FILECMD conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    case `$FILECMD conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
+	    ;;
+	  powerpc64le-*linux*)
+	    LD="${LD-ld} -m elf32lppclinux"
+	    ;;
+	  powerpc64-*linux*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  powerpcle-*linux*)
+	    LD="${LD-ld} -m elf64lppc"
+	    ;;
+	  powerpc-*linux*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS=$CFLAGS
+  CFLAGS="$CFLAGS -belf"
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
+printf %s "checking whether the C compiler needs -belf... " >&6; }
+if test ${lt_cv_cc_needs_belf+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  lt_cv_cc_needs_belf=yes
+else $as_nop
+  lt_cv_cc_needs_belf=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+     ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
+printf "%s\n" "$lt_cv_cc_needs_belf" >&6; }
+  if test yes != "$lt_cv_cc_needs_belf"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS=$SAVE_CFLAGS
+  fi
+  ;;
+*-*solaris*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    case `$FILECMD conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*)
+        case $host in
+        i?86-*-solaris*|x86_64-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD=${LD-ld}_sol2
+        fi
+        ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks=$enable_libtool_lock
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args.
+set dummy ${ac_tool_prefix}mt; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_MANIFEST_TOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$MANIFEST_TOOL"; then
+  ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
+if test -n "$MANIFEST_TOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5
+printf "%s\n" "$MANIFEST_TOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_MANIFEST_TOOL"; then
+  ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL
+  # Extract the first word of "mt", so it can be a program name with args.
+set dummy mt; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_MANIFEST_TOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_MANIFEST_TOOL"; then
+  ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_MANIFEST_TOOL="mt"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
+if test -n "$ac_ct_MANIFEST_TOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5
+printf "%s\n" "$ac_ct_MANIFEST_TOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_MANIFEST_TOOL" = x; then
+    MANIFEST_TOOL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL
+  fi
+else
+  MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL"
+fi
+
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5
+printf %s "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
+if test ${lt_cv_path_mainfest_tool+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_path_mainfest_tool=no
+  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5
+  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+  cat conftest.err >&5
+  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+    lt_cv_path_mainfest_tool=yes
+  fi
+  rm -f conftest*
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
+printf "%s\n" "$lt_cv_path_mainfest_tool" >&6; }
+if test yes != "$lt_cv_path_mainfest_tool"; then
+  MANIFEST_TOOL=:
+fi
+
+
+
+
+
+
+  case $host_os in
+    rhapsody* | darwin*)
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_DSYMUTIL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$DSYMUTIL"; then
+  ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DSYMUTIL=$ac_cv_prog_DSYMUTIL
+if test -n "$DSYMUTIL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
+printf "%s\n" "$DSYMUTIL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DSYMUTIL"; then
+  ac_ct_DSYMUTIL=$DSYMUTIL
+  # Extract the first word of "dsymutil", so it can be a program name with args.
+set dummy dsymutil; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_DSYMUTIL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_DSYMUTIL"; then
+  ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
+if test -n "$ac_ct_DSYMUTIL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
+printf "%s\n" "$ac_ct_DSYMUTIL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_DSYMUTIL" = x; then
+    DSYMUTIL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DSYMUTIL=$ac_ct_DSYMUTIL
+  fi
+else
+  DSYMUTIL="$ac_cv_prog_DSYMUTIL"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
+set dummy ${ac_tool_prefix}nmedit; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_NMEDIT+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$NMEDIT"; then
+  ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+NMEDIT=$ac_cv_prog_NMEDIT
+if test -n "$NMEDIT"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
+printf "%s\n" "$NMEDIT" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_NMEDIT"; then
+  ac_ct_NMEDIT=$NMEDIT
+  # Extract the first word of "nmedit", so it can be a program name with args.
+set dummy nmedit; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_NMEDIT+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_NMEDIT"; then
+  ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_NMEDIT="nmedit"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
+if test -n "$ac_ct_NMEDIT"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
+printf "%s\n" "$ac_ct_NMEDIT" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_NMEDIT" = x; then
+    NMEDIT=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    NMEDIT=$ac_ct_NMEDIT
+  fi
+else
+  NMEDIT="$ac_cv_prog_NMEDIT"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args.
+set dummy ${ac_tool_prefix}lipo; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_LIPO+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$LIPO"; then
+  ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+LIPO=$ac_cv_prog_LIPO
+if test -n "$LIPO"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
+printf "%s\n" "$LIPO" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_LIPO"; then
+  ac_ct_LIPO=$LIPO
+  # Extract the first word of "lipo", so it can be a program name with args.
+set dummy lipo; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_LIPO+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_LIPO"; then
+  ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_LIPO="lipo"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
+if test -n "$ac_ct_LIPO"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
+printf "%s\n" "$ac_ct_LIPO" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_LIPO" = x; then
+    LIPO=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    LIPO=$ac_ct_LIPO
+  fi
+else
+  LIPO="$ac_cv_prog_LIPO"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_OTOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$OTOOL"; then
+  ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL=$ac_cv_prog_OTOOL
+if test -n "$OTOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
+printf "%s\n" "$OTOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL"; then
+  ac_ct_OTOOL=$OTOOL
+  # Extract the first word of "otool", so it can be a program name with args.
+set dummy otool; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_OTOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_OTOOL"; then
+  ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_OTOOL="otool"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
+if test -n "$ac_ct_OTOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
+printf "%s\n" "$ac_ct_OTOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_OTOOL" = x; then
+    OTOOL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    OTOOL=$ac_ct_OTOOL
+  fi
+else
+  OTOOL="$ac_cv_prog_OTOOL"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool64; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_OTOOL64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$OTOOL64"; then
+  ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL64=$ac_cv_prog_OTOOL64
+if test -n "$OTOOL64"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
+printf "%s\n" "$OTOOL64" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL64"; then
+  ac_ct_OTOOL64=$OTOOL64
+  # Extract the first word of "otool64", so it can be a program name with args.
+set dummy otool64; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_OTOOL64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_OTOOL64"; then
+  ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_OTOOL64="otool64"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
+if test -n "$ac_ct_OTOOL64"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
+printf "%s\n" "$ac_ct_OTOOL64" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_OTOOL64" = x; then
+    OTOOL64=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    OTOOL64=$ac_ct_OTOOL64
+  fi
+else
+  OTOOL64="$ac_cv_prog_OTOOL64"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5
+printf %s "checking for -single_module linker flag... " >&6; }
+if test ${lt_cv_apple_cc_single_mod+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_apple_cc_single_mod=no
+      if test -z "$LT_MULTI_MODULE"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&5
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&5
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&5
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
+printf "%s\n" "$lt_cv_apple_cc_single_mod" >&6; }
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
+printf %s "checking for -exported_symbols_list linker flag... " >&6; }
+if test ${lt_cv_ld_exported_symbols_list+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  lt_cv_ld_exported_symbols_list=yes
+else $as_nop
+  lt_cv_ld_exported_symbols_list=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+	LDFLAGS=$save_LDFLAGS
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
+printf "%s\n" "$lt_cv_ld_exported_symbols_list" >&6; }
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
+printf %s "checking for -force_load linker flag... " >&6; }
+if test ${lt_cv_ld_force_load+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_ld_force_load=no
+      cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5
+      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5
+      echo "$AR $AR_FLAGS libconftest.a conftest.o" >&5
+      $AR $AR_FLAGS libconftest.a conftest.o 2>&5
+      echo "$RANLIB libconftest.a" >&5
+      $RANLIB libconftest.a 2>&5
+      cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5
+      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+      _lt_result=$?
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&5
+      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
+	lt_cv_ld_force_load=yes
+      else
+	cat conftest.err >&5
+      fi
+        rm -f conftest.err libconftest.a conftest conftest.c
+        rm -rf conftest.dSYM
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
+printf "%s\n" "$lt_cv_ld_force_load" >&6; }
+    case $host_os in
+    rhapsody* | darwin1.[012])
+      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+    darwin*)
+      case $MACOSX_DEPLOYMENT_TARGET,$host in
+        10.[012],*|,*powerpc*-darwin[5-8]*)
+          _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+        *)
+          _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test yes = "$lt_cv_apple_cc_single_mod"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test yes = "$lt_cv_ld_exported_symbols_list"; then
+      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
+    fi
+    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+
+# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x$2 in
+    x)
+        ;;
+    *:)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
+        ;;
+    x:*)
+        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
+        ;;
+    *)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+
+ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
+"
+if test "x$ac_cv_header_dlfcn_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_DLFCN_H 1" >>confdefs.h
+
+fi
+
+
+
+
+func_stripname_cnf ()
+{
+  case $2 in
+  .*) func_stripname_result=`$ECHO "$3" | $SED "s%^$1%%; s%\\\\$2\$%%"`;;
+  *)  func_stripname_result=`$ECHO "$3" | $SED "s%^$1%%; s%$2\$%%"`;;
+  esac
+} # func_stripname_cnf
+
+
+
+
+
+# Set options
+
+
+
+        enable_dlopen=no
+
+
+  enable_win32_dll=no
+
+
+            # Check whether --enable-shared was given.
+if test ${enable_shared+y}
+then :
+  enableval=$enable_shared; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac
+else $as_nop
+  enable_shared=yes
+fi
+
+
+
+
+
+
+
+
+
+  # Check whether --enable-static was given.
+if test ${enable_static+y}
+then :
+  enableval=$enable_static; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac
+else $as_nop
+  enable_static=yes
+fi
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-pic was given.
+if test ${with_pic+y}
+then :
+  withval=$with_pic; lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for lt_pkg in $withval; do
+	IFS=$lt_save_ifs
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac
+else $as_nop
+  pic_mode=default
+fi
+
+
+
+
+
+
+
+
+  # Check whether --enable-fast-install was given.
+if test ${enable_fast_install+y}
+then :
+  enableval=$enable_fast_install; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac
+else $as_nop
+  enable_fast_install=yes
+fi
+
+
+
+
+
+
+
+
+  shared_archive_member_spec=
+case $host,$enable_shared in
+power*-*-aix[5-9]*,yes)
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5
+printf %s "checking which variant of shared library versioning to provide... " >&6; }
+
+# Check whether --with-aix-soname was given.
+if test ${with_aix_soname+y}
+then :
+  withval=$with_aix_soname; case $withval in
+    aix|svr4|both)
+      ;;
+    *)
+      as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5
+      ;;
+    esac
+    lt_cv_with_aix_soname=$with_aix_soname
+else $as_nop
+  if test ${lt_cv_with_aix_soname+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_with_aix_soname=aix
+fi
+
+    with_aix_soname=$lt_cv_with_aix_soname
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
+printf "%s\n" "$with_aix_soname" >&6; }
+  if test aix != "$with_aix_soname"; then
+    # For the AIX way of multilib, we name the shared archive member
+    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
+    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
+    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
+    # the AIX toolchain works better with OBJECT_MODE set (default 32).
+    if test 64 = "${OBJECT_MODE-32}"; then
+      shared_archive_member_spec=shr_64
+    else
+      shared_archive_member_spec=shr
+    fi
+  fi
+  ;;
+*)
+  with_aix_soname=aix
+  ;;
+esac
+
+
+
+
+
+
+
+
+
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS=$ltmain
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+test -z "$LN_S" && LN_S="ln -s"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
+printf %s "checking for objdir... " >&6; }
+if test ${lt_cv_objdir+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
+printf "%s\n" "$lt_cv_objdir" >&6; }
+objdir=$lt_cv_objdir
+
+
+
+
+
+printf "%s\n" "#define LT_OBJDIR \"$lt_cv_objdir/\"" >>confdefs.h
+
+
+
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test set != "${COLLECT_NAMES+set}"; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a '.a' archive for static linking (except MSVC and
+# ICC, which need '.lib').
+libext=a
+
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+old_CC=$CC
+old_CFLAGS=$CFLAGS
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+func_cc_basename $compiler
+cc_basename=$func_cc_basename_result
+
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5
+printf %s "checking for ${ac_tool_prefix}file... " >&6; }
+if test ${lt_cv_path_MAGIC_CMD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $MAGIC_CMD in
+[\\/*] |  ?:[\\/]*)
+  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD=$MAGIC_CMD
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+  for ac_dir in $ac_dummy; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/${ac_tool_prefix}file"; then
+      lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS=$lt_save_ifs
+  MAGIC_CMD=$lt_save_MAGIC_CMD
+  ;;
+esac
+fi
+
+MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+if test -n "$MAGIC_CMD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+printf "%s\n" "$MAGIC_CMD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+
+
+
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for file" >&5
+printf %s "checking for file... " >&6; }
+if test ${lt_cv_path_MAGIC_CMD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $MAGIC_CMD in
+[\\/*] |  ?:[\\/]*)
+  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD=$MAGIC_CMD
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+  for ac_dir in $ac_dummy; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/file"; then
+      lt_cv_path_MAGIC_CMD=$ac_dir/"file"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS=$lt_save_ifs
+  MAGIC_CMD=$lt_save_MAGIC_CMD
+  ;;
+esac
+fi
+
+MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+if test -n "$MAGIC_CMD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+printf "%s\n" "$MAGIC_CMD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  else
+    MAGIC_CMD=:
+  fi
+fi
+
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+
+lt_save_CC=$CC
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+objext=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+
+
+if test -n "$compiler"; then
+
+lt_prog_compiler_no_builtin_flag=
+
+if test yes = "$GCC"; then
+  case $cc_basename in
+  nvcc*)
+    lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;;
+  *)
+    lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;;
+  esac
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
+printf %s "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
+if test ${lt_cv_prog_compiler_rtti_exceptions+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_rtti_exceptions=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="-fno-rtti -fno-exceptions"  ## exclude from sc_useless_quotes_in_assignment
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_rtti_exceptions=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
+printf "%s\n" "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
+
+if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then
+    lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
+else
+    :
+fi
+
+fi
+
+
+
+
+
+
+  lt_prog_compiler_wl=
+lt_prog_compiler_pic=
+lt_prog_compiler_static=
+
+
+  if test yes = "$GCC"; then
+    lt_prog_compiler_wl='-Wl,'
+    lt_prog_compiler_static='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static='-Bstatic'
+      fi
+      lt_prog_compiler_pic='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            lt_prog_compiler_pic='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      lt_prog_compiler_pic='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+	lt_prog_compiler_static='$wl-static'
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic='-fno-common'
+      ;;
+
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      lt_prog_compiler_static=
+      ;;
+
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[3-9]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      lt_prog_compiler_can_build_shared=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	lt_prog_compiler_pic=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      lt_prog_compiler_pic='-fPIC'
+      ;;
+    esac
+
+    case $cc_basename in
+    nvcc*) # Cuda Compiler Driver 2.2
+      lt_prog_compiler_wl='-Xlinker '
+      if test -n "$lt_prog_compiler_pic"; then
+        lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic"
+      fi
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      lt_prog_compiler_wl='-Wl,'
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static='-Bstatic'
+      else
+	lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic='-fno-common'
+      case $cc_basename in
+      nagfor*)
+        # NAG Fortran compiler
+        lt_prog_compiler_wl='-Wl,-Wl,,'
+        lt_prog_compiler_pic='-PIC'
+        lt_prog_compiler_static='-Bstatic'
+        ;;
+      esac
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      lt_prog_compiler_pic='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+	lt_prog_compiler_static='$wl-static'
+	;;
+      esac
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      lt_prog_compiler_wl='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      lt_prog_compiler_static='$wl-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      lt_prog_compiler_wl='-Wl,'
+      # PIC (with -KPIC) is the default.
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+      case $cc_basename in
+      # old Intel for x86_64, which still supported -KPIC.
+      ecc*)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-KPIC'
+	lt_prog_compiler_static='-static'
+        ;;
+      # icc used to be incompatible with GCC.
+      # ICC 10 doesn't accept -KPIC any more.
+      icc* | ifort*)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-fPIC'
+	lt_prog_compiler_static='-static'
+        ;;
+      # Lahey Fortran 8.1.
+      lf95*)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='--shared'
+	lt_prog_compiler_static='--static'
+	;;
+      nagfor*)
+	# NAG Fortran compiler
+	lt_prog_compiler_wl='-Wl,-Wl,,'
+	lt_prog_compiler_pic='-PIC'
+	lt_prog_compiler_static='-Bstatic'
+	;;
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-fPIC'
+	lt_prog_compiler_static='-static'
+	;;
+      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-fpic'
+	lt_prog_compiler_static='-Bstatic'
+        ;;
+      ccc*)
+        lt_prog_compiler_wl='-Wl,'
+        # All Alpha code is PIC.
+        lt_prog_compiler_static='-non_shared'
+        ;;
+      xl* | bgxl* | bgf* | mpixl*)
+	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-qpic'
+	lt_prog_compiler_static='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | $SED 5q` in
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl=''
+	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl='-Qoption ld '
+	  ;;
+	*Sun\ C*)
+	  # Sun C 5.9
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl='-Wl,'
+	  ;;
+        *Intel*\ [CF]*Compiler*)
+	  lt_prog_compiler_wl='-Wl,'
+	  lt_prog_compiler_pic='-fPIC'
+	  lt_prog_compiler_static='-static'
+	  ;;
+	*Portland\ Group*)
+	  lt_prog_compiler_wl='-Wl,'
+	  lt_prog_compiler_pic='-fpic'
+	  lt_prog_compiler_static='-Bstatic'
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      lt_prog_compiler_wl='-Wl,'
+      # All OSF/1 code is PIC.
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    rdos*)
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    solaris*)
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+	lt_prog_compiler_wl='-Qoption ld ';;
+      *)
+	lt_prog_compiler_wl='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      lt_prog_compiler_wl='-Qoption ld '
+      lt_prog_compiler_pic='-PIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	lt_prog_compiler_pic='-Kconform_pic'
+	lt_prog_compiler_static='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    unicos*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_can_build_shared=no
+      ;;
+
+    uts4*)
+      lt_prog_compiler_pic='-pic'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    *)
+      lt_prog_compiler_can_build_shared=no
+      ;;
+    esac
+  fi
+
+case $host_os in
+  # For platforms that do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    lt_prog_compiler_pic=
+    ;;
+  *)
+    lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
+    ;;
+esac
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
+printf %s "checking for $compiler option to produce PIC... " >&6; }
+if test ${lt_cv_prog_compiler_pic+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_pic=$lt_prog_compiler_pic
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
+printf "%s\n" "$lt_cv_prog_compiler_pic" >&6; }
+lt_prog_compiler_pic=$lt_cv_prog_compiler_pic
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
+printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
+if test ${lt_cv_prog_compiler_pic_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_pic_works=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$lt_prog_compiler_pic -DPIC"  ## exclude from sc_useless_quotes_in_assignment
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_pic_works=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
+printf "%s\n" "$lt_cv_prog_compiler_pic_works" >&6; }
+
+if test yes = "$lt_cv_prog_compiler_pic_works"; then
+    case $lt_prog_compiler_pic in
+     "" | " "*) ;;
+     *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
+     esac
+else
+    lt_prog_compiler_pic=
+     lt_prog_compiler_can_build_shared=no
+fi
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
+if test ${lt_cv_prog_compiler_static_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_static_works=no
+   save_LDFLAGS=$LDFLAGS
+   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler_static_works=yes
+       fi
+     else
+       lt_cv_prog_compiler_static_works=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS=$save_LDFLAGS
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
+printf "%s\n" "$lt_cv_prog_compiler_static_works" >&6; }
+
+if test yes = "$lt_cv_prog_compiler_static_works"; then
+    :
+else
+    lt_prog_compiler_static=
+fi
+
+
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test ${lt_cv_prog_compiler_c_o+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_c_o=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test ${lt_cv_prog_compiler_c_o+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_c_o=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+hard_links=nottested
+if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then
+  # do not overwrite the value of need_locks provided by the user
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
+printf %s "checking if we can lock with hard links... " >&6; }
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
+printf "%s\n" "$hard_links" >&6; }
+  if test no = "$hard_links"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
+printf "%s\n" "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;}
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+printf %s "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+
+  runpath_var=
+  allow_undefined_flag=
+  always_export_symbols=no
+  archive_cmds=
+  archive_expsym_cmds=
+  compiler_needs_object=no
+  enable_shared_with_static_runtimes=no
+  export_dynamic_flag_spec=
+  export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  hardcode_automatic=no
+  hardcode_direct=no
+  hardcode_direct_absolute=no
+  hardcode_libdir_flag_spec=
+  hardcode_libdir_separator=
+  hardcode_minus_L=no
+  hardcode_shlibpath_var=unsupported
+  inherit_rpath=no
+  link_all_deplibs=unknown
+  module_cmds=
+  module_expsym_cmds=
+  old_archive_from_new_cmds=
+  old_archive_from_expsyms_cmds=
+  thread_safe_flag_spec=
+  whole_archive_flag_spec=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  include_expsyms=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ' (' and ')$', so one must not match beginning or
+  # end of line.  Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc',
+  # as well as any symbol that contains 'd'.
+  exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    # FIXME: the MSVC++ and ICC port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++ or Intel C++ Compiler.
+    if test yes != "$GCC"; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++ or ICC)
+    with_gnu_ld=yes
+    ;;
+  openbsd* | bitrig*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  ld_shlibs=yes
+
+  # On some targets, GNU ld is compatible enough with the native linker
+  # that we're better off using the native interface for both.
+  lt_use_gnu_ld_interface=no
+  if test yes = "$with_gnu_ld"; then
+    case $host_os in
+      aix*)
+	# The AIX port of GNU ld has always aspired to compatibility
+	# with the native linker.  However, as the warning in the GNU ld
+	# block says, versions before 2.19.5* couldn't really create working
+	# shared libraries, regardless of the interface used.
+	case `$LD -v 2>&1` in
+	  *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+	  *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;;
+	  *\ \(GNU\ Binutils\)\ [3-9]*) ;;
+	  *)
+	    lt_use_gnu_ld_interface=yes
+	    ;;
+	esac
+	;;
+      *)
+	lt_use_gnu_ld_interface=yes
+	;;
+    esac
+  fi
+
+  if test yes = "$lt_use_gnu_ld_interface"; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='$wl'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+    export_dynamic_flag_spec='$wl--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+    else
+      whole_archive_flag_spec=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v | $SED -e 's/([^)]\+)\s\+//' 2>&1` in
+      *GNU\ gold*) supports_anon_versioning=yes ;;
+      *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[3-9]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test ia64 != "$host_cpu"; then
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            archive_expsym_cmds=''
+        ;;
+      m68k)
+            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_minus_L=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	allow_undefined_flag=unsupported
+	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
+      # as there is no search path for DLLs.
+      hardcode_libdir_flag_spec='-L$libdir'
+      export_dynamic_flag_spec='$wl--export-all-symbols'
+      allow_undefined_flag=unsupported
+      always_export_symbols=no
+      enable_shared_with_static_runtimes=yes
+      export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols'
+      exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file, use it as
+	# is; otherwise, prepend EXPORTS...
+	archive_expsym_cmds='if   test DEF = "`$SED -n     -e '\''s/^[	 ]*//'\''     -e '\''/^\(;.*\)*$/d'\''     -e '\''s/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p'\''     -e q     $export_symbols`" ; then
+          cp $export_symbols $output_objdir/$soname.def;
+        else
+          echo EXPORTS > $output_objdir/$soname.def;
+          cat $export_symbols >> $output_objdir/$soname.def;
+        fi~
+        $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    haiku*)
+      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      link_all_deplibs=yes
+      ;;
+
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      allow_undefined_flag=unsupported
+      shrext_cmds=.dll
+      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      enable_shared_with_static_runtimes=yes
+      file_list_spec='@'
+      ;;
+
+    interix[3-9]*)
+      hardcode_direct=no
+      hardcode_shlibpath_var=no
+      hardcode_libdir_flag_spec='$wl-rpath,$libdir'
+      export_dynamic_flag_spec='$wl-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      archive_expsym_cmds='$SED "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+      tmp_diet=no
+      if test linux-dietlibc = "$host_os"; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test no = "$tmp_diet"
+      then
+	tmp_addflag=' $pic_flag'
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95* | pgfortran*)
+					# Portland Group f77 and f90 compilers
+	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	lf95*)				# Lahey Fortran 8.1
+	  whole_archive_flag_spec=
+	  tmp_sharedflag='--shared' ;;
+        nagfor*)                        # NAGFOR 5.3
+          tmp_sharedflag='-Wl,-shared' ;;
+	xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	nvcc*)	# Cuda Compiler Driver 2.2
+	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  compiler_needs_object=yes
+	  ;;
+	esac
+	case `$CC -V 2>&1 | $SED 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  compiler_needs_object=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+
+        if test yes = "$supports_anon_versioning"; then
+          archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+            cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+            echo "local: *; };" >> $output_objdir/$libname.ver~
+            $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	tcc*)
+	  export_dynamic_flag_spec='-rdynamic'
+	  ;;
+	xlf* | bgf* | bgxlf* | mpixlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
+	  hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+	  archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+	  if test yes = "$supports_anon_versioning"; then
+	    archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+              cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+              echo "local: *; };" >> $output_objdir/$libname.ver~
+              $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        ld_shlibs=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+	    archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    ld_shlibs=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+    esac
+
+    if test no = "$ld_shlibs"; then
+      runpath_var=
+      hardcode_libdir_flag_spec=
+      export_dynamic_flag_spec=
+      whole_archive_flag_spec=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      allow_undefined_flag=unsupported
+      always_export_symbols=yes
+      archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      hardcode_minus_L=yes
+      if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	hardcode_direct=unsupported
+      fi
+      ;;
+
+    aix[4-9]*)
+      if test ia64 = "$host_cpu"; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to GNU nm, but means don't demangle to AIX nm.
+	# Without the "-l" option, or with the "-B" option, AIX nm treats
+	# weak defined symbols like other global defined symbols, whereas
+	# GNU nm marks them as "W".
+	# While the 'weak' keyword is ignored in the Export File, we need
+	# it in the Import File for the 'aix-soname' feature, so we have
+	# to replace the "-B" option with "-P" for AIX nm.
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+	else
+	  export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# have runtime linking enabled, and use it for executables.
+	# For shared libraries, we enable/disable runtime linking
+	# depending on the kind of the shared library created -
+	# when "with_aix_soname,aix_use_runtimelinking" is:
+	# "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "aix,yes"  lib.so          shared, rtl:yes, for executables
+	#            lib.a           static archive
+	# "both,no"  lib.so.V(shr.o) shared, rtl:yes
+	#            lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a(lib.so.V) shared, rtl:no
+	# "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a           static archive
+	case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	    # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	    # so we don't have lib.a shared libs to link our executables.
+	    # We have to force runtime linking in this case.
+	    aix_use_runtimelinking=yes
+	    LDFLAGS="$LDFLAGS -Wl,-brtl"
+	  fi
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      archive_cmds=''
+      hardcode_direct=yes
+      hardcode_direct_absolute=yes
+      hardcode_libdir_separator=':'
+      link_all_deplibs=yes
+      file_list_spec='$wl-f,'
+      case $with_aix_soname,$aix_use_runtimelinking in
+      aix,*) ;; # traditional, no import file
+      svr4,* | *,yes) # use import file
+	# The Import File defines what to hardcode.
+	hardcode_direct=no
+	hardcode_direct_absolute=no
+	;;
+      esac
+
+      if test yes = "$GCC"; then
+	case $host_os in aix4.[012]|aix4.[012].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  hardcode_direct=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  hardcode_minus_L=yes
+	  hardcode_libdir_flag_spec='-L$libdir'
+	  hardcode_libdir_separator=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test yes = "$aix_use_runtimelinking"; then
+	  shared_flag="$shared_flag "'$wl-G'
+	fi
+	# Need to ensure runtime linking is disabled for the traditional
+	# shared library, or the linker may eventually find shared libraries
+	# /with/ Import File - we do not want to mix them.
+	shared_flag_aix='-shared'
+	shared_flag_svr4='-shared $wl-G'
+      else
+	# not using gcc
+	if test ia64 = "$host_cpu"; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag='$wl-G'
+	  else
+	    shared_flag='$wl-bM:SRE'
+	  fi
+	  shared_flag_aix='$wl-bM:SRE'
+	  shared_flag_svr4='$wl-G'
+	fi
+      fi
+
+      export_dynamic_flag_spec='$wl-bexpall'
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      always_export_symbols=yes
+      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	allow_undefined_flag='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        if test set = "${lt_cv_aix_libpath+set}"; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  if test ${lt_cv_aix_libpath_+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+  lt_aix_libpath_sed='
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }'
+  lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_=/usr/lib:/lib
+  fi
+
+fi
+
+  aix_libpath=$lt_cv_aix_libpath_
+fi
+
+        hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
+        archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+      else
+	if test ia64 = "$host_cpu"; then
+	  hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib'
+	  allow_undefined_flag="-z nodefs"
+	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 if test set = "${lt_cv_aix_libpath+set}"; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  if test ${lt_cv_aix_libpath_+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+  lt_aix_libpath_sed='
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }'
+  lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test -z "$lt_cv_aix_libpath_"; then
+    lt_cv_aix_libpath_=/usr/lib:/lib
+  fi
+
+fi
+
+  aix_libpath=$lt_cv_aix_libpath_
+fi
+
+	 hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  no_undefined_flag=' $wl-bernotok'
+	  allow_undefined_flag=' $wl-berok'
+	  if test yes = "$with_gnu_ld"; then
+	    # We only use this code for GNU lds that support --whole-archive.
+	    whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive'
+	  else
+	    # Exported symbols can be pulled into shared objects from archives
+	    whole_archive_flag_spec='$convenience'
+	  fi
+	  archive_cmds_need_lc=yes
+	  archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	  # -brtl affects multiple linker settings, -berok does not and is overridden later
+	  compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`'
+	  if test svr4 != "$with_aix_soname"; then
+	    # This is similar to how AIX traditionally builds its shared libraries.
+	    archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	  fi
+	  if test aix != "$with_aix_soname"; then
+	    archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	  else
+	    # used by -dlpreopen to get the symbols
+	    archive_expsym_cmds="$archive_expsym_cmds"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	  fi
+	  archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            archive_expsym_cmds=''
+        ;;
+      m68k)
+            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_minus_L=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[45]*)
+      export_dynamic_flag_spec=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++ or Intel C++ Compiler.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      case $cc_basename in
+      cl* | icl*)
+	# Native MSVC or ICC
+	hardcode_libdir_flag_spec=' '
+	allow_undefined_flag=unsupported
+	always_export_symbols=yes
+	file_list_spec='@'
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	archive_expsym_cmds='if   test DEF = "`$SED -n     -e '\''s/^[	 ]*//'\''     -e '\''/^\(;.*\)*$/d'\''     -e '\''s/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p'\''     -e q     $export_symbols`" ; then
+            cp "$export_symbols" "$output_objdir/$soname.def";
+            echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+          else
+            $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+          fi~
+          $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+          linknames='
+	# The linker will not automatically build a static lib if we build a DLL.
+	# _LT_TAGVAR(old_archive_from_new_cmds, )='true'
+	enable_shared_with_static_runtimes=yes
+	exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+	export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+	# Don't use ranlib
+	old_postinstall_cmds='chmod 644 $oldlib'
+	postlink_cmds='lt_outputfile="@OUTPUT@"~
+          lt_tool_outputfile="@TOOL_OUTPUT@"~
+          case $lt_outputfile in
+            *.exe|*.EXE) ;;
+            *)
+              lt_outputfile=$lt_outputfile.exe
+              lt_tool_outputfile=$lt_tool_outputfile.exe
+              ;;
+          esac~
+          if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+            $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+            $RM "$lt_outputfile.manifest";
+          fi'
+	;;
+      *)
+	# Assume MSVC and ICC wrapper
+	hardcode_libdir_flag_spec=' '
+	allow_undefined_flag=unsupported
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+	# The linker will automatically build a .lib file if we build a DLL.
+	old_archive_from_new_cmds='true'
+	# FIXME: Should let the user specify the lib program.
+	old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
+	enable_shared_with_static_runtimes=yes
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+
+
+  archive_cmds_need_lc=no
+  hardcode_direct=no
+  hardcode_automatic=yes
+  hardcode_shlibpath_var=unsupported
+  if test yes = "$lt_cv_ld_force_load"; then
+    whole_archive_flag_spec='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+
+  else
+    whole_archive_flag_spec=''
+  fi
+  link_all_deplibs=yes
+  allow_undefined_flag=$_lt_dar_allow_undefined
+  case $cc_basename in
+     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test yes = "$_lt_dar_can_shared"; then
+    output_verbose_link_cmd=func_echo_all
+    archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
+    module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
+    archive_expsym_cmds="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
+    module_expsym_cmds="$SED -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
+
+  else
+  ld_shlibs=no
+  fi
+
+      ;;
+
+    dgux*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_shlibpath_var=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2.*)
+      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly* | midnightbsd*)
+      archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    hpux9*)
+      if test yes = "$GCC"; then
+	archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      else
+	archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      fi
+      hardcode_libdir_flag_spec='$wl+b $wl$libdir'
+      hardcode_libdir_separator=:
+      hardcode_direct=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      hardcode_minus_L=yes
+      export_dynamic_flag_spec='$wl-E'
+      ;;
+
+    hpux10*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test no = "$with_gnu_ld"; then
+	hardcode_libdir_flag_spec='$wl+b $wl$libdir'
+	hardcode_libdir_separator=:
+	hardcode_direct=yes
+	hardcode_direct_absolute=yes
+	export_dynamic_flag_spec='$wl-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	hardcode_minus_L=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+
+	  # Older versions of the 11.00 compiler do not understand -b yet
+	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5
+printf %s "checking if $CC understands -b... " >&6; }
+if test ${lt_cv_prog_compiler__b+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler__b=no
+   save_LDFLAGS=$LDFLAGS
+   LDFLAGS="$LDFLAGS -b"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler__b=yes
+       fi
+     else
+       lt_cv_prog_compiler__b=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS=$save_LDFLAGS
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
+printf "%s\n" "$lt_cv_prog_compiler__b" >&6; }
+
+if test yes = "$lt_cv_prog_compiler__b"; then
+    archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+else
+    archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+fi
+
+	  ;;
+	esac
+      fi
+      if test no = "$with_gnu_ld"; then
+	hardcode_libdir_flag_spec='$wl+b $wl$libdir'
+	hardcode_libdir_separator=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  hardcode_direct=no
+	  hardcode_shlibpath_var=no
+	  ;;
+	*)
+	  hardcode_direct=yes
+	  hardcode_direct_absolute=yes
+	  export_dynamic_flag_spec='$wl-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  hardcode_minus_L=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test yes = "$GCC"; then
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+	# This should be the same for all languages, so no per-tag cache variable.
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5
+printf %s "checking whether the $host_os linker accepts -exported_symbol... " >&6; }
+if test ${lt_cv_irix_exported_symbol+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  save_LDFLAGS=$LDFLAGS
+	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
+	   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo (void) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  lt_cv_irix_exported_symbol=yes
+else $as_nop
+  lt_cv_irix_exported_symbol=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+           LDFLAGS=$save_LDFLAGS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
+printf "%s\n" "$lt_cv_irix_exported_symbol" >&6; }
+	if test yes = "$lt_cv_irix_exported_symbol"; then
+          archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
+	fi
+      else
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+      hardcode_libdir_separator=:
+      inherit_rpath=yes
+      link_all_deplibs=yes
+      ;;
+
+    linux*)
+      case $cc_basename in
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	ld_shlibs=yes
+	archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+      esac
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    newsos6)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct=yes
+      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+      hardcode_libdir_separator=:
+      hardcode_shlibpath_var=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd* | bitrig*)
+      if test -f /usr/libexec/ld.so; then
+	hardcode_direct=yes
+	hardcode_shlibpath_var=no
+	hardcode_direct_absolute=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
+	  hardcode_libdir_flag_spec='$wl-rpath,$libdir'
+	  export_dynamic_flag_spec='$wl-E'
+	else
+	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  hardcode_libdir_flag_spec='$wl-rpath,$libdir'
+	fi
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      allow_undefined_flag=unsupported
+      shrext_cmds=.dll
+      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      enable_shared_with_static_runtimes=yes
+      file_list_spec='@'
+      ;;
+
+    osf3*)
+      if test yes = "$GCC"; then
+	allow_undefined_flag=' $wl-expect_unresolved $wl\*'
+	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+      else
+	allow_undefined_flag=' -expect_unresolved \*'
+	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+      hardcode_libdir_separator=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test yes = "$GCC"; then
+	allow_undefined_flag=' $wl-expect_unresolved $wl\*'
+	archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+      else
+	allow_undefined_flag=' -expect_unresolved \*'
+	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+          $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	hardcode_libdir_flag_spec='-rpath $libdir'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_separator=:
+      ;;
+
+    solaris*)
+      no_undefined_flag=' -z defs'
+      if test yes = "$GCC"; then
+	wlarc='$wl'
+	archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+          $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='$wl'
+	  archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_shlibpath_var=no
+      case $host_os in
+      solaris2.[0-5] | solaris2.[0-5].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands '-z linker_flag'.  GCC discards it without '$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test yes = "$GCC"; then
+	  whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+	else
+	  whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      link_all_deplibs=yes
+      ;;
+
+    sunos4*)
+      if test sequent = "$host_vendor"; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  reload_cmds='$CC -r -o $output$reload_objs'
+	  hardcode_direct=no
+        ;;
+	motorola)
+	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      hardcode_shlibpath_var=no
+      ;;
+
+    sysv4.3*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_shlibpath_var=no
+      export_dynamic_flag_spec='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	hardcode_shlibpath_var=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	ld_shlibs=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+      no_undefined_flag='$wl-z,text'
+      archive_cmds_need_lc=no
+      hardcode_shlibpath_var=no
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We CANNOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      no_undefined_flag='$wl-z,text'
+      allow_undefined_flag='$wl-z,nodefs'
+      archive_cmds_need_lc=no
+      hardcode_shlibpath_var=no
+      hardcode_libdir_flag_spec='$wl-R,$libdir'
+      hardcode_libdir_separator=':'
+      link_all_deplibs=yes
+      export_dynamic_flag_spec='$wl-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_shlibpath_var=no
+      ;;
+
+    *)
+      ld_shlibs=no
+      ;;
+    esac
+
+    if test sni = "$host_vendor"; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	export_dynamic_flag_spec='$wl-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
+printf "%s\n" "$ld_shlibs" >&6; }
+test no = "$ld_shlibs" && can_build_shared=no
+
+with_gnu_ld=$with_gnu_ld
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc" in
+x|xyes)
+  # Assume -lc should be added
+  archive_cmds_need_lc=yes
+
+  if test yes,yes = "$GCC,$enable_shared"; then
+    case $archive_cmds in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
+printf %s "checking whether -lc should be explicitly linked in... " >&6; }
+if test ${lt_cv_archive_cmds_need_lc+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  $RM conftest*
+	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } 2>conftest.err; then
+	  soname=conftest
+	  lib=conftest
+	  libobjs=conftest.$ac_objext
+	  deplibs=
+	  wl=$lt_prog_compiler_wl
+	  pic_flag=$lt_prog_compiler_pic
+	  compiler_flags=-v
+	  linker_flags=-v
+	  verstring=
+	  output_objdir=.
+	  libname=conftest
+	  lt_save_allow_undefined_flag=$allow_undefined_flag
+	  allow_undefined_flag=
+	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
+  (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+	  then
+	    lt_cv_archive_cmds_need_lc=no
+	  else
+	    lt_cv_archive_cmds_need_lc=yes
+	  fi
+	  allow_undefined_flag=$lt_save_allow_undefined_flag
+	else
+	  cat conftest.err 1>&5
+	fi
+	$RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
+printf "%s\n" "$lt_cv_archive_cmds_need_lc" >&6; }
+      archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+
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+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
+printf %s "checking dynamic linker characteristics... " >&6; }
+
+if test yes = "$GCC"; then
+  case $host_os in
+    darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
+    *) lt_awk_arg='/^libraries:/' ;;
+  esac
+  case $host_os in
+    mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;;
+    *) lt_sed_strip_eq='s|=/|/|g' ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+  case $lt_search_path_spec in
+  *\;*)
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+    ;;
+  *)
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+    ;;
+  esac
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary...
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  # ...but if some path component already ends with the multilib dir we assume
+  # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
+  case "$lt_multi_os_dir; $lt_search_path_spec " in
+  "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
+    lt_multi_os_dir=
+    ;;
+  esac
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
+    elif test -n "$lt_multi_os_dir"; then
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS = " "; FS = "/|\n";} {
+  lt_foo = "";
+  lt_count = 0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo = "/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[lt_foo]++; }
+  if (lt_freq[lt_foo] == 1) { print lt_foo; }
+}'`
+  # AWK program above erroneously prepends '/' to C:/dos/paths
+  # for these hosts.
+  case $host_os in
+    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+      $SED 's|/\([A-Za-z]:\)|\1|g'` ;;
+  esac
+  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=.so
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+
+
+case $host_os in
+aix3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='$libname$release$shared_ext$major'
+  ;;
+
+aix[4-9]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test ia64 = "$host_cpu"; then
+    # AIX 5 supports IA64
+    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line '#! .'.  This would cause the generated library to
+    # depend on '.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[01] | aix4.[01].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
+    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a(lib.so.V)'
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='$libname$shared_ext'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[45]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$cc_basename in
+  yes,*)
+    # gcc
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo $libname | $SED -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+
+      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"
+      ;;
+    mingw* | cegcc*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo $libname | $SED -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+      ;;
+    esac
+    dynamic_linker='Win32 ld.exe'
+    ;;
+
+  *,cl* | *,icl*)
+    # Native MSVC or ICC
+    libname_spec='$name'
+    soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+    library_names_spec='$libname.dll.lib'
+
+    case $build_os in
+    mingw*)
+      sys_lib_search_path_spec=
+      lt_save_ifs=$IFS
+      IFS=';'
+      for lt_path in $LIB
+      do
+        IFS=$lt_save_ifs
+        # Let DOS variable expansion print the short 8.3 style file name.
+        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+      done
+      IFS=$lt_save_ifs
+      # Convert to MSYS style.
+      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'`
+      ;;
+    cygwin*)
+      # Convert to unix form, then to dos form, then back to unix form
+      # but this time dos style (no spaces!) so that the unix form looks
+      # like /cygdrive/c/PROGRA~1:/cygdr...
+      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      ;;
+    *)
+      sys_lib_search_path_spec=$LIB
+      if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
+        # It is most probably a Windows format PATH.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      # FIXME: find the short name or the path components, as spaces are
+      # common. (e.g. "Program Files" -> "PROGRA~1")
+      ;;
+    esac
+
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+    dynamic_linker='Win32 link.exe'
+    ;;
+
+  *)
+    # Assume MSVC and ICC wrapper
+    library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib'
+    dynamic_linker='Win32 ld.exe'
+    ;;
+  esac
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$major$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd* | dragonfly* | midnightbsd*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[23].*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2.*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[01]* | freebsdelf3.[01]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+  freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+haiku*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  dynamic_linker="$host_os runtime_loader"
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    if test 32 = "$HPUX_IA64_MODE"; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
+    fi
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+  postinstall_cmds='chmod 555 $lib'
+  # or fails outright, so override atomically:
+  install_override_mode=555
+  ;;
+
+interix[3-9]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test yes = "$lt_cv_prog_gnu_ld"; then
+		version_type=linux # correct to gnu/linux during the next big refactor
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
+  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+linux*android*)
+  version_type=none # Android doesn't support versioned libraries.
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext'
+  soname_spec='$libname$release$shared_ext'
+  finish_cmds=
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  dynamic_linker='Android linker'
+  # Don't embed -rpath directories since the linker doesn't support them.
+  hardcode_libdir_flag_spec='-L$libdir'
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # Some binutils ld are patched to set DT_RUNPATH
+  if test ${lt_cv_shlibpath_overrides_runpath+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_shlibpath_overrides_runpath=no
+    save_LDFLAGS=$LDFLAGS
+    save_libdir=$libdir
+    eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
+	 LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null
+then :
+  lt_cv_shlibpath_overrides_runpath=yes
+fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+    LDFLAGS=$save_LDFLAGS
+    libdir=$save_libdir
+
+fi
+
+  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Add ABI-specific directories to the system library path.
+  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
+
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd* | bitrig*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec=/usr/lib
+  need_lib_prefix=no
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    need_version=no
+  else
+    need_version=yes
+  fi
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+os2*)
+  libname_spec='$name'
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test yes = "$with_gnu_ld"; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec; then
+    version_type=linux # correct to gnu/linux during the next big refactor
+    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
+    soname_spec='$libname$shared_ext.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=sco
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test yes = "$with_gnu_ld"; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
+printf "%s\n" "$dynamic_linker" >&6; }
+test no = "$dynamic_linker" && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test yes = "$GCC"; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
+  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
+fi
+
+if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
+  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
+fi
+
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
+printf %s "checking how to hardcode library paths into programs... " >&6; }
+hardcode_action=
+if test -n "$hardcode_libdir_flag_spec" ||
+   test -n "$runpath_var" ||
+   test yes = "$hardcode_automatic"; then
+
+  # We can hardcode non-existent directories.
+  if test no != "$hardcode_direct" &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" &&
+     test no != "$hardcode_minus_L"; then
+    # Linking always hardcodes the temporary library directory.
+    hardcode_action=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    hardcode_action=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  hardcode_action=unsupported
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
+printf "%s\n" "$hardcode_action" >&6; }
+
+if test relink = "$hardcode_action" ||
+   test yes = "$inherit_rpath"; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test yes = "$shlibpath_overrides_runpath" ||
+     test no = "$enable_shared"; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+
+
+
+
+
+
+  if test yes != "$enable_dlopen"; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen=load_add_on
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32* | cegcc*)
+    lt_cv_dlopen=LoadLibrary
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+    # if libdl is installed we need to link against it
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+printf %s "checking for dlopen in -ldl... " >&6; }
+if test ${ac_cv_lib_dl_dlopen+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
+int
+main (void)
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_dl_dlopen=yes
+else $as_nop
+  ac_cv_lib_dl_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes
+then :
+  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
+else $as_nop
+
+    lt_cv_dlopen=dyld
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+
+fi
+
+    ;;
+
+  tpf*)
+    # Don't try to run any link tests for TPF.  We know it's impossible
+    # because TPF is a cross-compiler, and we know how we open DSOs.
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=no
+    ;;
+
+  *)
+    ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
+if test "x$ac_cv_func_shl_load" = xyes
+then :
+  lt_cv_dlopen=shl_load
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
+printf %s "checking for shl_load in -ldld... " >&6; }
+if test ${ac_cv_lib_dld_shl_load+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char shl_load ();
+int
+main (void)
+{
+return shl_load ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_dld_shl_load=yes
+else $as_nop
+  ac_cv_lib_dld_shl_load=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
+printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; }
+if test "x$ac_cv_lib_dld_shl_load" = xyes
+then :
+  lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld
+else $as_nop
+  ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
+if test "x$ac_cv_func_dlopen" = xyes
+then :
+  lt_cv_dlopen=dlopen
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+printf %s "checking for dlopen in -ldl... " >&6; }
+if test ${ac_cv_lib_dl_dlopen+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
+int
+main (void)
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_dl_dlopen=yes
+else $as_nop
+  ac_cv_lib_dl_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes
+then :
+  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
+printf %s "checking for dlopen in -lsvld... " >&6; }
+if test ${ac_cv_lib_svld_dlopen+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsvld  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
+int
+main (void)
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_svld_dlopen=yes
+else $as_nop
+  ac_cv_lib_svld_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
+printf "%s\n" "$ac_cv_lib_svld_dlopen" >&6; }
+if test "x$ac_cv_lib_svld_dlopen" = xyes
+then :
+  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
+printf %s "checking for dld_link in -ldld... " >&6; }
+if test ${ac_cv_lib_dld_dld_link+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char dld_link ();
+int
+main (void)
+{
+return dld_link ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_dld_dld_link=yes
+else $as_nop
+  ac_cv_lib_dld_dld_link=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
+printf "%s\n" "$ac_cv_lib_dld_dld_link" >&6; }
+if test "x$ac_cv_lib_dld_dld_link" = xyes
+then :
+  lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+    ;;
+  esac
+
+  if test no = "$lt_cv_dlopen"; then
+    enable_dlopen=no
+  else
+    enable_dlopen=yes
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS=$CPPFLAGS
+    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS=$LDFLAGS
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS=$LIBS
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
+printf %s "checking whether a program can dlopen itself... " >&6; }
+if test ${lt_cv_dlopen_self+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  	  if test yes = "$cross_compiling"; then :
+  lt_cv_dlopen_self=cross
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisibility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}
+_LT_EOF
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
+    (./conftest; exit; ) >&5 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
+      x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
+      x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
+    esac
+  else :
+    # compilation failed
+    lt_cv_dlopen_self=no
+  fi
+fi
+rm -fr conftest*
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
+printf "%s\n" "$lt_cv_dlopen_self" >&6; }
+
+    if test yes = "$lt_cv_dlopen_self"; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
+printf %s "checking whether a statically linked program can dlopen itself... " >&6; }
+if test ${lt_cv_dlopen_self_static+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  	  if test yes = "$cross_compiling"; then :
+  lt_cv_dlopen_self_static=cross
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisibility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}
+_LT_EOF
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
+    (./conftest; exit; ) >&5 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;;
+      x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;;
+      x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;;
+    esac
+  else :
+    # compilation failed
+    lt_cv_dlopen_self_static=no
+  fi
+fi
+rm -fr conftest*
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
+printf "%s\n" "$lt_cv_dlopen_self_static" >&6; }
+    fi
+
+    CPPFLAGS=$save_CPPFLAGS
+    LDFLAGS=$save_LDFLAGS
+    LIBS=$save_LIBS
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+striplib=
+old_striplib=
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5
+printf %s "checking whether stripping libraries is possible... " >&6; }
+if test -z "$STRIP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+else
+  if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+    old_striplib="$STRIP --strip-debug"
+    striplib="$STRIP --strip-unneeded"
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+  else
+    case $host_os in
+    darwin*)
+      # FIXME - insert some real tests, host_os isn't really good enough
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+      ;;
+    freebsd*)
+      if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then
+        old_striplib="$STRIP --strip-debug"
+        striplib="$STRIP --strip-unneeded"
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+      else
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      fi
+      ;;
+    *)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      ;;
+    esac
+  fi
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+  # Report what library types will actually be built
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
+printf %s "checking if libtool supports shared libraries... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
+printf "%s\n" "$can_build_shared" >&6; }
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
+printf %s "checking whether to build shared libraries... " >&6; }
+  test no = "$can_build_shared" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test yes = "$enable_shared" && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[4-9]*)
+    if test ia64 != "$host_cpu"; then
+      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+      yes,aix,yes) ;;			# shared object as lib.so file only
+      yes,svr4,*) ;;			# shared object as lib.so archive member only
+      yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+      esac
+    fi
+    ;;
+  esac
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
+printf "%s\n" "$enable_shared" >&6; }
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
+printf %s "checking whether to build static libraries... " >&6; }
+  # Make sure either enable_shared or enable_static is yes.
+  test yes = "$enable_shared" || enable_static=yes
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
+printf "%s\n" "$enable_static" >&6; }
+
+
+
+
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC=$lt_save_CC
+
+      if test -n "$CXX" && ( test no != "$CXX" &&
+    ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) ||
+    (test g++ != "$CXX"))); then
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
+printf %s "checking how to run the C++ preprocessor... " >&6; }
+if test -z "$CXXCPP"; then
+  if test ${ac_cv_prog_CXXCPP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+      # Double quotes because $CXX needs to be expanded
+    for CXXCPP in "$CXX -E" cpp /lib/cpp
+    do
+      ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+  break
+fi
+
+    done
+    ac_cv_prog_CXXCPP=$CXXCPP
+
+fi
+  CXXCPP=$ac_cv_prog_CXXCPP
+else
+  ac_cv_prog_CXXCPP=$CXXCPP
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
+printf "%s\n" "$CXXCPP" >&6; }
+ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+else
+  _lt_caught_CXX_error=yes
+fi
+
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+archive_cmds_need_lc_CXX=no
+allow_undefined_flag_CXX=
+always_export_symbols_CXX=no
+archive_expsym_cmds_CXX=
+compiler_needs_object_CXX=no
+export_dynamic_flag_spec_CXX=
+hardcode_direct_CXX=no
+hardcode_direct_absolute_CXX=no
+hardcode_libdir_flag_spec_CXX=
+hardcode_libdir_separator_CXX=
+hardcode_minus_L_CXX=no
+hardcode_shlibpath_var_CXX=unsupported
+hardcode_automatic_CXX=no
+inherit_rpath_CXX=no
+module_cmds_CXX=
+module_expsym_cmds_CXX=
+link_all_deplibs_CXX=unknown
+old_archive_cmds_CXX=$old_archive_cmds
+reload_flag_CXX=$reload_flag
+reload_cmds_CXX=$reload_cmds
+no_undefined_flag_CXX=
+whole_archive_flag_spec_CXX=
+enable_shared_with_static_runtimes_CXX=no
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+objext_CXX=$objext
+
+# No sense in running all these tests if we already determined that
+# the CXX compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_caught_CXX_error"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="int some_variable = 0;"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code='int main(int, char *[]) { return(0); }'
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+  # save warnings/boilerplate of simple test code
+  ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+
+  ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_CFLAGS=$CFLAGS
+  lt_save_LD=$LD
+  lt_save_GCC=$GCC
+  GCC=$GXX
+  lt_save_with_gnu_ld=$with_gnu_ld
+  lt_save_path_LD=$lt_cv_path_LD
+  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+  else
+    $as_unset lt_cv_prog_gnu_ld
+  fi
+  if test -n "${lt_cv_path_LDCXX+set}"; then
+    lt_cv_path_LD=$lt_cv_path_LDCXX
+  else
+    $as_unset lt_cv_path_LD
+  fi
+  test -z "${LDCXX+set}" || LD=$LDCXX
+  CC=${CXX-"c++"}
+  CFLAGS=$CXXFLAGS
+  compiler=$CC
+  compiler_CXX=$CC
+  func_cc_basename $compiler
+cc_basename=$func_cc_basename_result
+
+
+  if test -n "$compiler"; then
+    # We don't want -fno-exception when compiling C++ code, so set the
+    # no_builtin_flag separately
+    if test yes = "$GXX"; then
+      lt_prog_compiler_no_builtin_flag_CXX=' -fno-builtin'
+    else
+      lt_prog_compiler_no_builtin_flag_CXX=
+    fi
+
+    if test yes = "$GXX"; then
+      # Set up default GNU C++ configuration
+
+
+
+# Check whether --with-gnu-ld was given.
+if test ${with_gnu_ld+y}
+then :
+  withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
+else $as_nop
+  with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test yes = "$GCC"; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
+printf %s "checking for ld used by $CC... " >&6; }
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return, which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [\\/]* | ?:[\\/]*)
+      re_direlt='/[^/][^/]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD=$ac_prog
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test yes = "$with_gnu_ld"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+printf %s "checking for GNU ld... " >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+printf %s "checking for non-GNU ld... " >&6; }
+fi
+if test ${lt_cv_path_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$LD"; then
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD=$ac_dir/$ac_prog
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test no != "$with_gnu_ld" && break
+	;;
+      *)
+	test yes != "$with_gnu_ld" && break
+	;;
+      esac
+    fi
+  done
+  IFS=$lt_save_ifs
+else
+  lt_cv_path_LD=$LD # Let the user override the test with a path.
+fi
+fi
+
+LD=$lt_cv_path_LD
+if test -n "$LD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
+printf %s "checking if the linker ($LD) is GNU ld... " >&6; }
+if test ${lt_cv_prog_gnu_ld+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
+printf "%s\n" "$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+
+
+
+
+
+      # Check if GNU C++ uses GNU ld as the underlying linker, since the
+      # archiving commands below assume that GNU ld is being used.
+      if test yes = "$with_gnu_ld"; then
+        archive_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+        archive_expsym_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+
+        hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
+        export_dynamic_flag_spec_CXX='$wl--export-dynamic'
+
+        # If archive_cmds runs LD, not CC, wlarc should be empty
+        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+        #     investigate it a little bit more. (MM)
+        wlarc='$wl'
+
+        # ancient GNU ld didn't support --whole-archive et. al.
+        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
+	  $GREP 'no-whole-archive' > /dev/null; then
+          whole_archive_flag_spec_CXX=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+        else
+          whole_archive_flag_spec_CXX=
+        fi
+      else
+        with_gnu_ld=no
+        wlarc=
+
+        # A generic and very simple default shared library creation
+        # command for GNU C++ for the case where it uses the native
+        # linker, instead of GNU ld.  If possible, this setting should
+        # overridden to take advantage of the native linker features on
+        # the platform it is being used on.
+        archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      fi
+
+      # Commands to make compiler produce verbose output that lists
+      # what "hidden" libraries, object files and flags are used when
+      # linking a shared library.
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+    else
+      GXX=no
+      with_gnu_ld=no
+      wlarc=
+    fi
+
+    # PORTME: fill in a description of your system's C++ link characteristics
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+printf %s "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+    ld_shlibs_CXX=yes
+    case $host_os in
+      aix3*)
+        # FIXME: insert proper C++ library support
+        ld_shlibs_CXX=no
+        ;;
+      aix[4-9]*)
+        if test ia64 = "$host_cpu"; then
+          # On IA64, the linker does run time linking by default, so we don't
+          # have to do anything special.
+          aix_use_runtimelinking=no
+          exp_sym_flag='-Bexport'
+          no_entry_flag=
+        else
+          aix_use_runtimelinking=no
+
+          # Test if we are trying to use run time linking or normal
+          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+          # have runtime linking enabled, and use it for executables.
+          # For shared libraries, we enable/disable runtime linking
+          # depending on the kind of the shared library created -
+          # when "with_aix_soname,aix_use_runtimelinking" is:
+          # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "aix,yes"  lib.so          shared, rtl:yes, for executables
+          #            lib.a           static archive
+          # "both,no"  lib.so.V(shr.o) shared, rtl:yes
+          #            lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a(lib.so.V) shared, rtl:no
+          # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a           static archive
+          case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+	    for ld_flag in $LDFLAGS; do
+	      case $ld_flag in
+	      *-brtl*)
+	        aix_use_runtimelinking=yes
+	        break
+	        ;;
+	      esac
+	    done
+	    if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	      # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	      # so we don't have lib.a shared libs to link our executables.
+	      # We have to force runtime linking in this case.
+	      aix_use_runtimelinking=yes
+	      LDFLAGS="$LDFLAGS -Wl,-brtl"
+	    fi
+	    ;;
+          esac
+
+          exp_sym_flag='-bexport'
+          no_entry_flag='-bnoentry'
+        fi
+
+        # When large executables or shared objects are built, AIX ld can
+        # have problems creating the table of contents.  If linking a library
+        # or program results in "error TOC overflow" add -mminimal-toc to
+        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+        archive_cmds_CXX=''
+        hardcode_direct_CXX=yes
+        hardcode_direct_absolute_CXX=yes
+        hardcode_libdir_separator_CXX=':'
+        link_all_deplibs_CXX=yes
+        file_list_spec_CXX='$wl-f,'
+        case $with_aix_soname,$aix_use_runtimelinking in
+        aix,*) ;;	# no import file
+        svr4,* | *,yes) # use import file
+          # The Import File defines what to hardcode.
+          hardcode_direct_CXX=no
+          hardcode_direct_absolute_CXX=no
+          ;;
+        esac
+
+        if test yes = "$GXX"; then
+          case $host_os in aix4.[012]|aix4.[012].*)
+          # We only want to do this on AIX 4.2 and lower, the check
+          # below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	    # We have reworked collect2
+	    :
+	  else
+	    # We have old collect2
+	    hardcode_direct_CXX=unsupported
+	    # It fails to find uninstalled libraries when the uninstalled
+	    # path is not listed in the libpath.  Setting hardcode_minus_L
+	    # to unsupported forces relinking
+	    hardcode_minus_L_CXX=yes
+	    hardcode_libdir_flag_spec_CXX='-L$libdir'
+	    hardcode_libdir_separator_CXX=
+	  fi
+          esac
+          shared_flag='-shared'
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag=$shared_flag' $wl-G'
+	  fi
+	  # Need to ensure runtime linking is disabled for the traditional
+	  # shared library, or the linker may eventually find shared libraries
+	  # /with/ Import File - we do not want to mix them.
+	  shared_flag_aix='-shared'
+	  shared_flag_svr4='-shared $wl-G'
+        else
+          # not using gcc
+          if test ia64 = "$host_cpu"; then
+	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	  # chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+          else
+	    if test yes = "$aix_use_runtimelinking"; then
+	      shared_flag='$wl-G'
+	    else
+	      shared_flag='$wl-bM:SRE'
+	    fi
+	    shared_flag_aix='$wl-bM:SRE'
+	    shared_flag_svr4='$wl-G'
+          fi
+        fi
+
+        export_dynamic_flag_spec_CXX='$wl-bexpall'
+        # It seems that -bexpall does not export symbols beginning with
+        # underscore (_), so it is better to generate a list of symbols to
+	# export.
+        always_export_symbols_CXX=yes
+	if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+          # Warning - without using the other runtime loading flags (-brtl),
+          # -berok will link without error, but may produce a broken library.
+          # The "-G" linker flag allows undefined symbols.
+          no_undefined_flag_CXX='-bernotok'
+          # Determine the default libpath from the value encoded in an empty
+          # executable.
+          if test set = "${lt_cv_aix_libpath+set}"; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  if test ${lt_cv_aix_libpath__CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"
+then :
+
+  lt_aix_libpath_sed='
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }'
+  lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$lt_cv_aix_libpath__CXX"; then
+    lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test -z "$lt_cv_aix_libpath__CXX"; then
+    lt_cv_aix_libpath__CXX=/usr/lib:/lib
+  fi
+
+fi
+
+  aix_libpath=$lt_cv_aix_libpath__CXX
+fi
+
+          hardcode_libdir_flag_spec_CXX='$wl-blibpath:$libdir:'"$aix_libpath"
+
+          archive_expsym_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+        else
+          if test ia64 = "$host_cpu"; then
+	    hardcode_libdir_flag_spec_CXX='$wl-R $libdir:/usr/lib:/lib'
+	    allow_undefined_flag_CXX="-z nodefs"
+	    archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+          else
+	    # Determine the default libpath from the value encoded in an
+	    # empty executable.
+	    if test set = "${lt_cv_aix_libpath+set}"; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  if test ${lt_cv_aix_libpath__CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"
+then :
+
+  lt_aix_libpath_sed='
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }'
+  lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$lt_cv_aix_libpath__CXX"; then
+    lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test -z "$lt_cv_aix_libpath__CXX"; then
+    lt_cv_aix_libpath__CXX=/usr/lib:/lib
+  fi
+
+fi
+
+  aix_libpath=$lt_cv_aix_libpath__CXX
+fi
+
+	    hardcode_libdir_flag_spec_CXX='$wl-blibpath:$libdir:'"$aix_libpath"
+	    # Warning - without using the other run time loading flags,
+	    # -berok will link without error, but may produce a broken library.
+	    no_undefined_flag_CXX=' $wl-bernotok'
+	    allow_undefined_flag_CXX=' $wl-berok'
+	    if test yes = "$with_gnu_ld"; then
+	      # We only use this code for GNU lds that support --whole-archive.
+	      whole_archive_flag_spec_CXX='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    else
+	      # Exported symbols can be pulled into shared objects from archives
+	      whole_archive_flag_spec_CXX='$convenience'
+	    fi
+	    archive_cmds_need_lc_CXX=yes
+	    archive_expsym_cmds_CXX='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	    # -brtl affects multiple linker settings, -berok does not and is overridden later
+	    compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`'
+	    if test svr4 != "$with_aix_soname"; then
+	      # This is similar to how AIX traditionally builds its shared
+	      # libraries. Need -bnortl late, we may have -brtl in LDFLAGS.
+	      archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	    fi
+	    if test aix != "$with_aix_soname"; then
+	      archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	    else
+	      # used by -dlpreopen to get the symbols
+	      archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	    fi
+	    archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$RM -r $output_objdir/$realname.d'
+          fi
+        fi
+        ;;
+
+      beos*)
+	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	  allow_undefined_flag_CXX=unsupported
+	  # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	  # support --undefined.  This deserves some investigation.  FIXME
+	  archive_cmds_CXX='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	else
+	  ld_shlibs_CXX=no
+	fi
+	;;
+
+      chorus*)
+        case $cc_basename in
+          *)
+	  # FIXME: insert proper C++ library support
+	  ld_shlibs_CXX=no
+	  ;;
+        esac
+        ;;
+
+      cygwin* | mingw* | pw32* | cegcc*)
+	case $GXX,$cc_basename in
+	,cl* | no,cl* | ,icl* | no,icl*)
+	  # Native MSVC or ICC
+	  # hardcode_libdir_flag_spec is actually meaningless, as there is
+	  # no search path for DLLs.
+	  hardcode_libdir_flag_spec_CXX=' '
+	  allow_undefined_flag_CXX=unsupported
+	  always_export_symbols_CXX=yes
+	  file_list_spec_CXX='@'
+	  # Tell ltmain to make .lib files, not .a files.
+	  libext=lib
+	  # Tell ltmain to make .dll files, not .so files.
+	  shrext_cmds=.dll
+	  # FIXME: Setting linknames here is a bad hack.
+	  archive_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	  archive_expsym_cmds_CXX='if   test DEF = "`$SED -n     -e '\''s/^[	 ]*//'\''     -e '\''/^\(;.*\)*$/d'\''     -e '\''s/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p'\''     -e q     $export_symbols`" ; then
+              cp "$export_symbols" "$output_objdir/$soname.def";
+              echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+            else
+              $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+            fi~
+            $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+            linknames='
+	  # The linker will not automatically build a static lib if we build a DLL.
+	  # _LT_TAGVAR(old_archive_from_new_cmds, CXX)='true'
+	  enable_shared_with_static_runtimes_CXX=yes
+	  # Don't use ranlib
+	  old_postinstall_cmds_CXX='chmod 644 $oldlib'
+	  postlink_cmds_CXX='lt_outputfile="@OUTPUT@"~
+            lt_tool_outputfile="@TOOL_OUTPUT@"~
+            case $lt_outputfile in
+              *.exe|*.EXE) ;;
+              *)
+                lt_outputfile=$lt_outputfile.exe
+                lt_tool_outputfile=$lt_tool_outputfile.exe
+                ;;
+            esac~
+            func_to_tool_file "$lt_outputfile"~
+            if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+              $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+              $RM "$lt_outputfile.manifest";
+            fi'
+	  ;;
+	*)
+	  # g++
+	  # _LT_TAGVAR(hardcode_libdir_flag_spec, CXX) is actually meaningless,
+	  # as there is no search path for DLLs.
+	  hardcode_libdir_flag_spec_CXX='-L$libdir'
+	  export_dynamic_flag_spec_CXX='$wl--export-all-symbols'
+	  allow_undefined_flag_CXX=unsupported
+	  always_export_symbols_CXX=no
+	  enable_shared_with_static_runtimes_CXX=yes
+
+	  if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+	    archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	    # If the export-symbols file already is a .def file, use it as
+	    # is; otherwise, prepend EXPORTS...
+	    archive_expsym_cmds_CXX='if   test DEF = "`$SED -n     -e '\''s/^[	 ]*//'\''     -e '\''/^\(;.*\)*$/d'\''     -e '\''s/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p'\''     -e q     $export_symbols`" ; then
+              cp $export_symbols $output_objdir/$soname.def;
+            else
+              echo EXPORTS > $output_objdir/$soname.def;
+              cat $export_symbols >> $output_objdir/$soname.def;
+            fi~
+            $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	  else
+	    ld_shlibs_CXX=no
+	  fi
+	  ;;
+	esac
+	;;
+      darwin* | rhapsody*)
+
+
+  archive_cmds_need_lc_CXX=no
+  hardcode_direct_CXX=no
+  hardcode_automatic_CXX=yes
+  hardcode_shlibpath_var_CXX=unsupported
+  if test yes = "$lt_cv_ld_force_load"; then
+    whole_archive_flag_spec_CXX='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+
+  else
+    whole_archive_flag_spec_CXX=''
+  fi
+  link_all_deplibs_CXX=yes
+  allow_undefined_flag_CXX=$_lt_dar_allow_undefined
+  case $cc_basename in
+     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test yes = "$_lt_dar_can_shared"; then
+    output_verbose_link_cmd=func_echo_all
+    archive_cmds_CXX="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
+    module_cmds_CXX="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
+    archive_expsym_cmds_CXX="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
+    module_expsym_cmds_CXX="$SED -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
+       if test yes != "$lt_cv_apple_cc_single_mod"; then
+      archive_cmds_CXX="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil"
+      archive_expsym_cmds_CXX="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil"
+    fi
+
+  else
+  ld_shlibs_CXX=no
+  fi
+
+	;;
+
+      os2*)
+	hardcode_libdir_flag_spec_CXX='-L$libdir'
+	hardcode_minus_L_CXX=yes
+	allow_undefined_flag_CXX=unsupported
+	shrext_cmds=.dll
+	archive_cmds_CXX='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	archive_expsym_cmds_CXX='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  prefix_cmds="$SED"~
+	  if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	    prefix_cmds="$prefix_cmds -e 1d";
+	  fi~
+	  prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	  cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	old_archive_From_new_cmds_CXX='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+	enable_shared_with_static_runtimes_CXX=yes
+	file_list_spec_CXX='@'
+	;;
+
+      dgux*)
+        case $cc_basename in
+          ec++*)
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+          ghcx*)
+	    # Green Hills C++ Compiler
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+        esac
+        ;;
+
+      freebsd2.*)
+        # C++ shared libraries reported to be fairly broken before
+	# switch to ELF
+        ld_shlibs_CXX=no
+        ;;
+
+      freebsd-elf*)
+        archive_cmds_need_lc_CXX=no
+        ;;
+
+      freebsd* | dragonfly* | midnightbsd*)
+        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+        # conventions
+        ld_shlibs_CXX=yes
+        ;;
+
+      haiku*)
+        archive_cmds_CXX='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+        link_all_deplibs_CXX=yes
+        ;;
+
+      hpux9*)
+        hardcode_libdir_flag_spec_CXX='$wl+b $wl$libdir'
+        hardcode_libdir_separator_CXX=:
+        export_dynamic_flag_spec_CXX='$wl-E'
+        hardcode_direct_CXX=yes
+        hardcode_minus_L_CXX=yes # Not in the search PATH,
+				             # but as the default
+				             # location of the library.
+
+        case $cc_basename in
+          CC*)
+            # FIXME: insert proper C++ library support
+            ld_shlibs_CXX=no
+            ;;
+          aCC*)
+            archive_cmds_CXX='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            # Commands to make compiler produce verbose output that lists
+            # what "hidden" libraries, object files and flags are used when
+            # linking a shared library.
+            #
+            # There doesn't appear to be a way to prevent this compiler from
+            # explicitly linking system object files so we need to strip them
+            # from the output so that they don't get included in the library
+            # dependencies.
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+            ;;
+          *)
+            if test yes = "$GXX"; then
+              archive_cmds_CXX='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            else
+              # FIXME: insert proper C++ library support
+              ld_shlibs_CXX=no
+            fi
+            ;;
+        esac
+        ;;
+
+      hpux10*|hpux11*)
+        if test no = "$with_gnu_ld"; then
+	  hardcode_libdir_flag_spec_CXX='$wl+b $wl$libdir'
+	  hardcode_libdir_separator_CXX=:
+
+          case $host_cpu in
+            hppa*64*|ia64*)
+              ;;
+            *)
+	      export_dynamic_flag_spec_CXX='$wl-E'
+              ;;
+          esac
+        fi
+        case $host_cpu in
+          hppa*64*|ia64*)
+            hardcode_direct_CXX=no
+            hardcode_shlibpath_var_CXX=no
+            ;;
+          *)
+            hardcode_direct_CXX=yes
+            hardcode_direct_absolute_CXX=yes
+            hardcode_minus_L_CXX=yes # Not in the search PATH,
+					         # but as the default
+					         # location of the library.
+            ;;
+        esac
+
+        case $cc_basename in
+          CC*)
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+          aCC*)
+	    case $host_cpu in
+	      hppa*64*)
+	        archive_cmds_CXX='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      ia64*)
+	        archive_cmds_CXX='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      *)
+	        archive_cmds_CXX='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	    esac
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        case $host_cpu in
+	          hppa*64*)
+	            archive_cmds_CXX='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          ia64*)
+	            archive_cmds_CXX='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          *)
+	            archive_cmds_CXX='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	        esac
+	      fi
+	    else
+	      # FIXME: insert proper C++ library support
+	      ld_shlibs_CXX=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      interix[3-9]*)
+	hardcode_direct_CXX=no
+	hardcode_shlibpath_var_CXX=no
+	hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
+	export_dynamic_flag_spec_CXX='$wl-E'
+	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+	# Instead, shared libraries are loaded at an image base (0x10000000 by
+	# default) and relocated if they conflict, which is a slow very memory
+	# consuming and fragmenting process.  To avoid this, we pick a random,
+	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+	archive_cmds_CXX='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	archive_expsym_cmds_CXX='$SED "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	;;
+      irix5* | irix6*)
+        case $cc_basename in
+          CC*)
+	    # SGI C++
+	    archive_cmds_CXX='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    old_archive_cmds_CXX='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	      else
+	        archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib'
+	      fi
+	    fi
+	    link_all_deplibs_CXX=yes
+	    ;;
+        esac
+        hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
+        hardcode_libdir_separator_CXX=:
+        inherit_rpath_CXX=yes
+        ;;
+
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+	    archive_expsym_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib'
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+
+	    hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
+	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	    old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs'
+	    ;;
+	  icpc* | ecpc* )
+	    # Intel C++
+	    with_gnu_ld=yes
+	    # version 8.0 and above of icpc choke on multiply defined symbols
+	    # if we add $predep_objects and $postdep_objects, however 7.1 and
+	    # earlier do not add the objects themselves.
+	    case `$CC -V 2>&1` in
+	      *"Version 7."*)
+	        archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+		archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	      *)  # Version 8.0 or newer
+	        tmp_idyn=
+	        case $host_cpu in
+		  ia64*) tmp_idyn=' -i_dynamic';;
+		esac
+	        archive_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+		archive_expsym_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	    esac
+	    archive_cmds_need_lc_CXX=no
+	    hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
+	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
+	    whole_archive_flag_spec_CXX='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    ;;
+          pgCC* | pgcpp*)
+            # Portland Group C++ compiler
+	    case `$CC -V` in
+	    *pgCC\ [1-5].* | *pgcpp\ [1-5].*)
+	      prelink_cmds_CXX='tpldir=Template.dir~
+               rm -rf $tpldir~
+               $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
+               compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
+	      old_archive_cmds_CXX='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
+                $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
+                $RANLIB $oldlib'
+	      archive_cmds_CXX='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      archive_expsym_cmds_CXX='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    *) # Version 6 and above use weak symbols
+	      archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    esac
+
+	    hardcode_libdir_flag_spec_CXX='$wl--rpath $wl$libdir'
+	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
+	    whole_archive_flag_spec_CXX='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+            ;;
+	  cxx*)
+	    # Compaq C++
+	    archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	    archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname  -o $lib $wl-retain-symbols-file $wl$export_symbols'
+
+	    runpath_var=LD_RUN_PATH
+	    hardcode_libdir_flag_spec_CXX='-rpath $libdir'
+	    hardcode_libdir_separator_CXX=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
+	    ;;
+	  xl* | mpixl* | bgxl*)
+	    # IBM XL 8.0 on PPC, with GNU ld
+	    hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
+	    export_dynamic_flag_spec_CXX='$wl--export-dynamic'
+	    archive_cmds_CXX='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    if test yes = "$supports_anon_versioning"; then
+	      archive_expsym_cmds_CXX='echo "{ global:" > $output_objdir/$libname.ver~
+                cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+                echo "local: *; };" >> $output_objdir/$libname.ver~
+                $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+	    fi
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | $SED 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      no_undefined_flag_CXX=' -zdefs'
+	      archive_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      archive_expsym_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols'
+	      hardcode_libdir_flag_spec_CXX='-R$libdir'
+	      whole_archive_flag_spec_CXX='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	      compiler_needs_object_CXX=yes
+
+	      # Not sure whether something based on
+	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+	      # would be better.
+	      output_verbose_link_cmd='func_echo_all'
+
+	      # Archives containing C++ object files must be created using
+	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	      # necessary to make sure instantiated templates are included
+	      # in the archive.
+	      old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs'
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+
+      lynxos*)
+        # FIXME: insert proper C++ library support
+	ld_shlibs_CXX=no
+	;;
+
+      m88k*)
+        # FIXME: insert proper C++ library support
+        ld_shlibs_CXX=no
+	;;
+
+      mvs*)
+        case $cc_basename in
+          cxx*)
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+	  *)
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+	esac
+	;;
+
+      netbsd*)
+        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	  archive_cmds_CXX='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+	  wlarc=
+	  hardcode_libdir_flag_spec_CXX='-R$libdir'
+	  hardcode_direct_CXX=yes
+	  hardcode_shlibpath_var_CXX=no
+	fi
+	# Workaround some broken pre-1.5 toolchains
+	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+	;;
+
+      *nto* | *qnx*)
+        ld_shlibs_CXX=yes
+	;;
+
+      openbsd* | bitrig*)
+	if test -f /usr/libexec/ld.so; then
+	  hardcode_direct_CXX=yes
+	  hardcode_shlibpath_var_CXX=no
+	  hardcode_direct_absolute_CXX=yes
+	  archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+	  hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
+	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then
+	    archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib'
+	    export_dynamic_flag_spec_CXX='$wl-E'
+	    whole_archive_flag_spec_CXX=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+	  fi
+	  output_verbose_link_cmd=func_echo_all
+	else
+	  ld_shlibs_CXX=no
+	fi
+	;;
+
+      osf3* | osf4* | osf5*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	    hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir'
+	    hardcode_libdir_separator_CXX=:
+
+	    # Archives containing C++ object files must be created using
+	    # the KAI C++ compiler.
+	    case $host in
+	      osf3*) old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' ;;
+	      *) old_archive_cmds_CXX='$CC -o $oldlib $oldobjs' ;;
+	    esac
+	    ;;
+          RCC*)
+	    # Rational C++ 2.4.1
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+          cxx*)
+	    case $host in
+	      osf3*)
+	        allow_undefined_flag_CXX=' $wl-expect_unresolved $wl\*'
+	        archive_cmds_CXX='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
+		;;
+	      *)
+	        allow_undefined_flag_CXX=' -expect_unresolved \*'
+	        archive_cmds_CXX='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        archive_expsym_cmds_CXX='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+                  echo "-hidden">> $lib.exp~
+                  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp  `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~
+                  $RM $lib.exp'
+	        hardcode_libdir_flag_spec_CXX='-rpath $libdir'
+		;;
+	    esac
+
+	    hardcode_libdir_separator_CXX=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+	  *)
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      allow_undefined_flag_CXX=' $wl-expect_unresolved $wl\*'
+	      case $host in
+	        osf3*)
+	          archive_cmds_CXX='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	        *)
+	          archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	      esac
+
+	      hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir'
+	      hardcode_libdir_separator_CXX=:
+
+	      # Commands to make compiler produce verbose output that lists
+	      # what "hidden" libraries, object files and flags are used when
+	      # linking a shared library.
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+	    else
+	      # FIXME: insert proper C++ library support
+	      ld_shlibs_CXX=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      psos*)
+        # FIXME: insert proper C++ library support
+        ld_shlibs_CXX=no
+        ;;
+
+      sunos4*)
+        case $cc_basename in
+          CC*)
+	    # Sun C++ 4.x
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+          lcc*)
+	    # Lucid
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+        esac
+        ;;
+
+      solaris*)
+        case $cc_basename in
+          CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+            archive_cmds_need_lc_CXX=yes
+	    no_undefined_flag_CXX=' -zdefs'
+	    archive_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	    archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+              $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	    hardcode_libdir_flag_spec_CXX='-R$libdir'
+	    hardcode_shlibpath_var_CXX=no
+	    case $host_os in
+	      solaris2.[0-5] | solaris2.[0-5].*) ;;
+	      *)
+		# The compiler driver will combine and reorder linker options,
+		# but understands '-z linker_flag'.
+	        # Supported since Solaris 2.6 (maybe 2.5.1?)
+		whole_archive_flag_spec_CXX='-z allextract$convenience -z defaultextract'
+	        ;;
+	    esac
+	    link_all_deplibs_CXX=yes
+
+	    output_verbose_link_cmd='func_echo_all'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs'
+	    ;;
+          gcx*)
+	    # Green Hills C++ Compiler
+	    archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+
+	    # The C++ compiler must be used to create the archive.
+	    old_archive_cmds_CXX='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    # GNU C++ compiler with Solaris linker
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      no_undefined_flag_CXX=' $wl-z ${wl}defs'
+	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
+	        archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      else
+	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
+	        # platform.
+	        archive_cmds_CXX='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      fi
+
+	      hardcode_libdir_flag_spec_CXX='$wl-R $wl$libdir'
+	      case $host_os in
+		solaris2.[0-5] | solaris2.[0-5].*) ;;
+		*)
+		  whole_archive_flag_spec_CXX='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+		  ;;
+	      esac
+	    fi
+	    ;;
+        esac
+        ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+      no_undefined_flag_CXX='$wl-z,text'
+      archive_cmds_need_lc_CXX=no
+      hardcode_shlibpath_var_CXX=no
+      runpath_var='LD_RUN_PATH'
+
+      case $cc_basename in
+        CC*)
+	  archive_cmds_CXX='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds_CXX='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds_CXX='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds_CXX='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+      esac
+      ;;
+
+      sysv5* | sco3.2v5* | sco5v6*)
+	# Note: We CANNOT use -z defs as we might desire, because we do not
+	# link with -lc, and that would cause any symbols used from libc to
+	# always be unresolved, which means just about no library would
+	# ever link correctly.  If we're not using GNU ld we use -z text
+	# though, which does catch some bad symbols but isn't as heavy-handed
+	# as -z defs.
+	no_undefined_flag_CXX='$wl-z,text'
+	allow_undefined_flag_CXX='$wl-z,nodefs'
+	archive_cmds_need_lc_CXX=no
+	hardcode_shlibpath_var_CXX=no
+	hardcode_libdir_flag_spec_CXX='$wl-R,$libdir'
+	hardcode_libdir_separator_CXX=':'
+	link_all_deplibs_CXX=yes
+	export_dynamic_flag_spec_CXX='$wl-Bexport'
+	runpath_var='LD_RUN_PATH'
+
+	case $cc_basename in
+          CC*)
+	    archive_cmds_CXX='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    archive_expsym_cmds_CXX='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    old_archive_cmds_CXX='$CC -Tprelink_objects $oldobjs~
+              '"$old_archive_cmds_CXX"
+	    reload_cmds_CXX='$CC -Tprelink_objects $reload_objs~
+              '"$reload_cmds_CXX"
+	    ;;
+	  *)
+	    archive_cmds_CXX='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    archive_expsym_cmds_CXX='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    ;;
+	esac
+      ;;
+
+      tandem*)
+        case $cc_basename in
+          NCC*)
+	    # NonStop-UX NCC 3.20
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    ld_shlibs_CXX=no
+	    ;;
+        esac
+        ;;
+
+      vxworks*)
+        # FIXME: insert proper C++ library support
+        ld_shlibs_CXX=no
+        ;;
+
+      *)
+        # FIXME: insert proper C++ library support
+        ld_shlibs_CXX=no
+        ;;
+    esac
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5
+printf "%s\n" "$ld_shlibs_CXX" >&6; }
+    test no = "$ld_shlibs_CXX" && can_build_shared=no
+
+    GCC_CXX=$GXX
+    LD_CXX=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    # Dependencies to place before and after the object being linked:
+predep_objects_CXX=
+postdep_objects_CXX=
+predeps_CXX=
+postdeps_CXX=
+compiler_lib_search_path_CXX=
+
+cat > conftest.$ac_ext <<_LT_EOF
+class Foo
+{
+public:
+  Foo (void) { a = 0; }
+private:
+  int a;
+};
+_LT_EOF
+
+
+_lt_libdeps_save_CFLAGS=$CFLAGS
+case "$CC $CFLAGS " in #(
+*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
+*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
+esac
+
+if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  for p in `eval "$output_verbose_link_cmd"`; do
+    case $prev$p in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test x-L = "$p" ||
+          test x-R = "$p"; then
+	 prev=$p
+	 continue
+       fi
+
+       # Expand the sysroot to ease extracting the directories later.
+       if test -z "$prev"; then
+         case $p in
+         -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
+         -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
+         -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
+         esac
+       fi
+       case $p in
+       =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
+       esac
+       if test no = "$pre_test_object_deps_done"; then
+	 case $prev in
+	 -L | -R)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$compiler_lib_search_path_CXX"; then
+	     compiler_lib_search_path_CXX=$prev$p
+	   else
+	     compiler_lib_search_path_CXX="${compiler_lib_search_path_CXX} $prev$p"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$postdeps_CXX"; then
+	   postdeps_CXX=$prev$p
+	 else
+	   postdeps_CXX="${postdeps_CXX} $prev$p"
+	 fi
+       fi
+       prev=
+       ;;
+
+    *.lto.$objext) ;; # Ignore GCC LTO objects
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test no = "$pre_test_object_deps_done"; then
+	 if test -z "$predep_objects_CXX"; then
+	   predep_objects_CXX=$p
+	 else
+	   predep_objects_CXX="$predep_objects_CXX $p"
+	 fi
+       else
+	 if test -z "$postdep_objects_CXX"; then
+	   postdep_objects_CXX=$p
+	 else
+	   postdep_objects_CXX="$postdep_objects_CXX $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling CXX test program"
+fi
+
+$RM -f confest.$objext
+CFLAGS=$_lt_libdeps_save_CFLAGS
+
+# PORTME: override above test on systems where it is broken
+case $host_os in
+interix[3-9]*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  predep_objects_CXX=
+  postdep_objects_CXX=
+  postdeps_CXX=
+  ;;
+esac
+
+
+case " $postdeps_CXX " in
+*" -lc "*) archive_cmds_need_lc_CXX=no ;;
+esac
+ compiler_lib_search_dirs_CXX=
+if test -n "${compiler_lib_search_path_CXX}"; then
+ compiler_lib_search_dirs_CXX=`echo " ${compiler_lib_search_path_CXX}" | $SED -e 's! -L! !g' -e 's!^ !!'`
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    lt_prog_compiler_wl_CXX=
+lt_prog_compiler_pic_CXX=
+lt_prog_compiler_static_CXX=
+
+
+  # C++ specific cases for pic, static, wl, etc.
+  if test yes = "$GXX"; then
+    lt_prog_compiler_wl_CXX='-Wl,'
+    lt_prog_compiler_static_CXX='-static'
+
+    case $host_os in
+    aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static_CXX='-Bstatic'
+      fi
+      lt_prog_compiler_pic_CXX='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            lt_prog_compiler_pic_CXX='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            lt_prog_compiler_pic_CXX='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+    mingw* | cygwin* | os2* | pw32* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      lt_prog_compiler_pic_CXX='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+	lt_prog_compiler_static_CXX='$wl-static'
+	;;
+      esac
+      ;;
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic_CXX='-fno-common'
+      ;;
+    *djgpp*)
+      # DJGPP does not support shared libraries at all
+      lt_prog_compiler_pic_CXX=
+      ;;
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      lt_prog_compiler_static_CXX=
+      ;;
+    interix[3-9]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	lt_prog_compiler_pic_CXX=-Kconform_pic
+      fi
+      ;;
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	;;
+      *)
+	lt_prog_compiler_pic_CXX='-fPIC'
+	;;
+      esac
+      ;;
+    *qnx* | *nto*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic_CXX='-fPIC -shared'
+      ;;
+    *)
+      lt_prog_compiler_pic_CXX='-fPIC'
+      ;;
+    esac
+  else
+    case $host_os in
+      aix[4-9]*)
+	# All AIX code is PIC.
+	if test ia64 = "$host_cpu"; then
+	  # AIX 5 now supports IA64 processor
+	  lt_prog_compiler_static_CXX='-Bstatic'
+	else
+	  lt_prog_compiler_static_CXX='-bnso -bI:/lib/syscalls.exp'
+	fi
+	;;
+      chorus*)
+	case $cc_basename in
+	cxch68*)
+	  # Green Hills C++ Compiler
+	  # _LT_TAGVAR(lt_prog_compiler_static, CXX)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+	  ;;
+	esac
+	;;
+      mingw* | cygwin* | os2* | pw32* | cegcc*)
+	# This hack is so that the source file can tell whether it is being
+	# built for inclusion in a dll (and should export symbols for example).
+	lt_prog_compiler_pic_CXX='-DDLL_EXPORT'
+	;;
+      dgux*)
+	case $cc_basename in
+	  ec++*)
+	    lt_prog_compiler_pic_CXX='-KPIC'
+	    ;;
+	  ghcx*)
+	    # Green Hills C++ Compiler
+	    lt_prog_compiler_pic_CXX='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      freebsd* | dragonfly* | midnightbsd*)
+	# FreeBSD uses GNU C++
+	;;
+      hpux9* | hpux10* | hpux11*)
+	case $cc_basename in
+	  CC*)
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_static_CXX='$wl-a ${wl}archive'
+	    if test ia64 != "$host_cpu"; then
+	      lt_prog_compiler_pic_CXX='+Z'
+	    fi
+	    ;;
+	  aCC*)
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_static_CXX='$wl-a ${wl}archive'
+	    case $host_cpu in
+	    hppa*64*|ia64*)
+	      # +Z the default
+	      ;;
+	    *)
+	      lt_prog_compiler_pic_CXX='+Z'
+	      ;;
+	    esac
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
+      irix5* | irix6* | nonstopux*)
+	case $cc_basename in
+	  CC*)
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_static_CXX='-non_shared'
+	    # CC pic flag -KPIC is the default.
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+	case $cc_basename in
+	  KCC*)
+	    # KAI C++ Compiler
+	    lt_prog_compiler_wl_CXX='--backend -Wl,'
+	    lt_prog_compiler_pic_CXX='-fPIC'
+	    ;;
+	  ecpc* )
+	    # old Intel C++ for x86_64, which still supported -KPIC.
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_pic_CXX='-KPIC'
+	    lt_prog_compiler_static_CXX='-static'
+	    ;;
+	  icpc* )
+	    # Intel C++, used to be incompatible with GCC.
+	    # ICC 10 doesn't accept -KPIC any more.
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_pic_CXX='-fPIC'
+	    lt_prog_compiler_static_CXX='-static'
+	    ;;
+	  pgCC* | pgcpp*)
+	    # Portland Group C++ compiler
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_pic_CXX='-fpic'
+	    lt_prog_compiler_static_CXX='-Bstatic'
+	    ;;
+	  cxx*)
+	    # Compaq C++
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    lt_prog_compiler_pic_CXX=
+	    lt_prog_compiler_static_CXX='-non_shared'
+	    ;;
+	  xlc* | xlC* | bgxl[cC]* | mpixl[cC]*)
+	    # IBM XL 8.0, 9.0 on PPC and BlueGene
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_pic_CXX='-qpic'
+	    lt_prog_compiler_static_CXX='-qstaticlink'
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | $SED 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      lt_prog_compiler_pic_CXX='-KPIC'
+	      lt_prog_compiler_static_CXX='-Bstatic'
+	      lt_prog_compiler_wl_CXX='-Qoption ld '
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+      lynxos*)
+	;;
+      m88k*)
+	;;
+      mvs*)
+	case $cc_basename in
+	  cxx*)
+	    lt_prog_compiler_pic_CXX='-W c,exportall'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      netbsd*)
+	;;
+      *qnx* | *nto*)
+        # QNX uses GNU C++, but need to define -shared option too, otherwise
+        # it will coredump.
+        lt_prog_compiler_pic_CXX='-fPIC -shared'
+        ;;
+      osf3* | osf4* | osf5*)
+	case $cc_basename in
+	  KCC*)
+	    lt_prog_compiler_wl_CXX='--backend -Wl,'
+	    ;;
+	  RCC*)
+	    # Rational C++ 2.4.1
+	    lt_prog_compiler_pic_CXX='-pic'
+	    ;;
+	  cxx*)
+	    # Digital/Compaq C++
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    lt_prog_compiler_pic_CXX=
+	    lt_prog_compiler_static_CXX='-non_shared'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      psos*)
+	;;
+      solaris*)
+	case $cc_basename in
+	  CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+	    lt_prog_compiler_pic_CXX='-KPIC'
+	    lt_prog_compiler_static_CXX='-Bstatic'
+	    lt_prog_compiler_wl_CXX='-Qoption ld '
+	    ;;
+	  gcx*)
+	    # Green Hills C++ Compiler
+	    lt_prog_compiler_pic_CXX='-PIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sunos4*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.x
+	    lt_prog_compiler_pic_CXX='-pic'
+	    lt_prog_compiler_static_CXX='-Bstatic'
+	    ;;
+	  lcc*)
+	    # Lucid
+	    lt_prog_compiler_pic_CXX='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+	case $cc_basename in
+	  CC*)
+	    lt_prog_compiler_wl_CXX='-Wl,'
+	    lt_prog_compiler_pic_CXX='-KPIC'
+	    lt_prog_compiler_static_CXX='-Bstatic'
+	    ;;
+	esac
+	;;
+      tandem*)
+	case $cc_basename in
+	  NCC*)
+	    # NonStop-UX NCC 3.20
+	    lt_prog_compiler_pic_CXX='-KPIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      vxworks*)
+	;;
+      *)
+	lt_prog_compiler_can_build_shared_CXX=no
+	;;
+    esac
+  fi
+
+case $host_os in
+  # For platforms that do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    lt_prog_compiler_pic_CXX=
+    ;;
+  *)
+    lt_prog_compiler_pic_CXX="$lt_prog_compiler_pic_CXX -DPIC"
+    ;;
+esac
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
+printf %s "checking for $compiler option to produce PIC... " >&6; }
+if test ${lt_cv_prog_compiler_pic_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_pic_CXX=$lt_prog_compiler_pic_CXX
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_CXX" >&5
+printf "%s\n" "$lt_cv_prog_compiler_pic_CXX" >&6; }
+lt_prog_compiler_pic_CXX=$lt_cv_prog_compiler_pic_CXX
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic_CXX"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5
+printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... " >&6; }
+if test ${lt_cv_prog_compiler_pic_works_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_pic_works_CXX=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$lt_prog_compiler_pic_CXX -DPIC"  ## exclude from sc_useless_quotes_in_assignment
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_pic_works_CXX=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_CXX" >&5
+printf "%s\n" "$lt_cv_prog_compiler_pic_works_CXX" >&6; }
+
+if test yes = "$lt_cv_prog_compiler_pic_works_CXX"; then
+    case $lt_prog_compiler_pic_CXX in
+     "" | " "*) ;;
+     *) lt_prog_compiler_pic_CXX=" $lt_prog_compiler_pic_CXX" ;;
+     esac
+else
+    lt_prog_compiler_pic_CXX=
+     lt_prog_compiler_can_build_shared_CXX=no
+fi
+
+fi
+
+
+
+
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl_CXX eval lt_tmp_static_flag=\"$lt_prog_compiler_static_CXX\"
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
+if test ${lt_cv_prog_compiler_static_works_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_static_works_CXX=no
+   save_LDFLAGS=$LDFLAGS
+   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler_static_works_CXX=yes
+       fi
+     else
+       lt_cv_prog_compiler_static_works_CXX=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS=$save_LDFLAGS
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_CXX" >&5
+printf "%s\n" "$lt_cv_prog_compiler_static_works_CXX" >&6; }
+
+if test yes = "$lt_cv_prog_compiler_static_works_CXX"; then
+    :
+else
+    lt_prog_compiler_static_CXX=
+fi
+
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test ${lt_cv_prog_compiler_c_o_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_c_o_CXX=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o_CXX=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
+printf "%s\n" "$lt_cv_prog_compiler_c_o_CXX" >&6; }
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test ${lt_cv_prog_compiler_c_o_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_prog_compiler_c_o_CXX=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o_CXX=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
+printf "%s\n" "$lt_cv_prog_compiler_c_o_CXX" >&6; }
+
+
+
+
+hard_links=nottested
+if test no = "$lt_cv_prog_compiler_c_o_CXX" && test no != "$need_locks"; then
+  # do not overwrite the value of need_locks provided by the user
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
+printf %s "checking if we can lock with hard links... " >&6; }
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
+printf "%s\n" "$hard_links" >&6; }
+  if test no = "$hard_links"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
+printf "%s\n" "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;}
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+printf %s "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+
+  export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  exclude_expsyms_CXX='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+  case $host_os in
+  aix[4-9]*)
+    # If we're using GNU nm, then we don't want the "-C" option.
+    # -C means demangle to GNU nm, but means don't demangle to AIX nm.
+    # Without the "-l" option, or with the "-B" option, AIX nm treats
+    # weak defined symbols like other global defined symbols, whereas
+    # GNU nm marks them as "W".
+    # While the 'weak' keyword is ignored in the Export File, we need
+    # it in the Import File for the 'aix-soname' feature, so we have
+    # to replace the "-B" option with "-P" for AIX nm.
+    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+      export_symbols_cmds_CXX='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+    else
+      export_symbols_cmds_CXX='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+    fi
+    ;;
+  pw32*)
+    export_symbols_cmds_CXX=$ltdll_cmds
+    ;;
+  cygwin* | mingw* | cegcc*)
+    case $cc_basename in
+    cl* | icl*)
+      exclude_expsyms_CXX='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+      ;;
+    *)
+      export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols'
+      exclude_expsyms_CXX='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'
+      ;;
+    esac
+    ;;
+  *)
+    export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+    ;;
+  esac
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5
+printf "%s\n" "$ld_shlibs_CXX" >&6; }
+test no = "$ld_shlibs_CXX" && can_build_shared=no
+
+with_gnu_ld_CXX=$with_gnu_ld
+
+
+
+
+
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc_CXX" in
+x|xyes)
+  # Assume -lc should be added
+  archive_cmds_need_lc_CXX=yes
+
+  if test yes,yes = "$GCC,$enable_shared"; then
+    case $archive_cmds_CXX in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
+printf %s "checking whether -lc should be explicitly linked in... " >&6; }
+if test ${lt_cv_archive_cmds_need_lc_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  $RM conftest*
+	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } 2>conftest.err; then
+	  soname=conftest
+	  lib=conftest
+	  libobjs=conftest.$ac_objext
+	  deplibs=
+	  wl=$lt_prog_compiler_wl_CXX
+	  pic_flag=$lt_prog_compiler_pic_CXX
+	  compiler_flags=-v
+	  linker_flags=-v
+	  verstring=
+	  output_objdir=.
+	  libname=conftest
+	  lt_save_allow_undefined_flag=$allow_undefined_flag_CXX
+	  allow_undefined_flag_CXX=
+	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
+  (eval $archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+	  then
+	    lt_cv_archive_cmds_need_lc_CXX=no
+	  else
+	    lt_cv_archive_cmds_need_lc_CXX=yes
+	  fi
+	  allow_undefined_flag_CXX=$lt_save_allow_undefined_flag
+	else
+	  cat conftest.err 1>&5
+	fi
+	$RM conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc_CXX" >&5
+printf "%s\n" "$lt_cv_archive_cmds_need_lc_CXX" >&6; }
+      archive_cmds_need_lc_CXX=$lt_cv_archive_cmds_need_lc_CXX
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
+printf %s "checking dynamic linker characteristics... " >&6; }
+
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=.so
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+
+
+case $host_os in
+aix3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='$libname$release$shared_ext$major'
+  ;;
+
+aix[4-9]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test ia64 = "$host_cpu"; then
+    # AIX 5 supports IA64
+    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line '#! .'.  This would cause the generated library to
+    # depend on '.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[01] | aix4.[01].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
+    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a(lib.so.V)'
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='$libname$shared_ext'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[45]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$cc_basename in
+  yes,*)
+    # gcc
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo $libname | $SED -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+
+      ;;
+    mingw* | cegcc*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo $libname | $SED -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+      ;;
+    esac
+    dynamic_linker='Win32 ld.exe'
+    ;;
+
+  *,cl* | *,icl*)
+    # Native MSVC or ICC
+    libname_spec='$name'
+    soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+    library_names_spec='$libname.dll.lib'
+
+    case $build_os in
+    mingw*)
+      sys_lib_search_path_spec=
+      lt_save_ifs=$IFS
+      IFS=';'
+      for lt_path in $LIB
+      do
+        IFS=$lt_save_ifs
+        # Let DOS variable expansion print the short 8.3 style file name.
+        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+      done
+      IFS=$lt_save_ifs
+      # Convert to MSYS style.
+      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'`
+      ;;
+    cygwin*)
+      # Convert to unix form, then to dos form, then back to unix form
+      # but this time dos style (no spaces!) so that the unix form looks
+      # like /cygdrive/c/PROGRA~1:/cygdr...
+      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      ;;
+    *)
+      sys_lib_search_path_spec=$LIB
+      if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
+        # It is most probably a Windows format PATH.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      # FIXME: find the short name or the path components, as spaces are
+      # common. (e.g. "Program Files" -> "PROGRA~1")
+      ;;
+    esac
+
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+    dynamic_linker='Win32 link.exe'
+    ;;
+
+  *)
+    # Assume MSVC and ICC wrapper
+    library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib'
+    dynamic_linker='Win32 ld.exe'
+    ;;
+  esac
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$major$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd* | dragonfly* | midnightbsd*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[23].*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2.*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[01]* | freebsdelf3.[01]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+  freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+haiku*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  dynamic_linker="$host_os runtime_loader"
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    if test 32 = "$HPUX_IA64_MODE"; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
+    fi
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+  postinstall_cmds='chmod 555 $lib'
+  # or fails outright, so override atomically:
+  install_override_mode=555
+  ;;
+
+interix[3-9]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test yes = "$lt_cv_prog_gnu_ld"; then
+		version_type=linux # correct to gnu/linux during the next big refactor
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
+  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+linux*android*)
+  version_type=none # Android doesn't support versioned libraries.
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext'
+  soname_spec='$libname$release$shared_ext'
+  finish_cmds=
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  dynamic_linker='Android linker'
+  # Don't embed -rpath directories since the linker doesn't support them.
+  hardcode_libdir_flag_spec_CXX='-L$libdir'
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # Some binutils ld are patched to set DT_RUNPATH
+  if test ${lt_cv_shlibpath_overrides_runpath+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_shlibpath_overrides_runpath=no
+    save_LDFLAGS=$LDFLAGS
+    save_libdir=$libdir
+    eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \
+	 LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_CXX\""
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"
+then :
+  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null
+then :
+  lt_cv_shlibpath_overrides_runpath=yes
+fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+    LDFLAGS=$save_LDFLAGS
+    libdir=$save_libdir
+
+fi
+
+  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Add ABI-specific directories to the system library path.
+  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
+
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd* | bitrig*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec=/usr/lib
+  need_lib_prefix=no
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    need_version=no
+  else
+    need_version=yes
+  fi
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+os2*)
+  libname_spec='$name'
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test yes = "$with_gnu_ld"; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec; then
+    version_type=linux # correct to gnu/linux during the next big refactor
+    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
+    soname_spec='$libname$shared_ext.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=sco
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test yes = "$with_gnu_ld"; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
+printf "%s\n" "$dynamic_linker" >&6; }
+test no = "$dynamic_linker" && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test yes = "$GCC"; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
+  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
+fi
+
+if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
+  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
+fi
+
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
+printf %s "checking how to hardcode library paths into programs... " >&6; }
+hardcode_action_CXX=
+if test -n "$hardcode_libdir_flag_spec_CXX" ||
+   test -n "$runpath_var_CXX" ||
+   test yes = "$hardcode_automatic_CXX"; then
+
+  # We can hardcode non-existent directories.
+  if test no != "$hardcode_direct_CXX" &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, CXX)" &&
+     test no != "$hardcode_minus_L_CXX"; then
+    # Linking always hardcodes the temporary library directory.
+    hardcode_action_CXX=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    hardcode_action_CXX=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  hardcode_action_CXX=unsupported
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5
+printf "%s\n" "$hardcode_action_CXX" >&6; }
+
+if test relink = "$hardcode_action_CXX" ||
+   test yes = "$inherit_rpath_CXX"; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test yes = "$shlibpath_overrides_runpath" ||
+     test no = "$enable_shared"; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+
+
+
+
+
+
+
+  fi # test -n "$compiler"
+
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+  LDCXX=$LD
+  LD=$lt_save_LD
+  GCC=$lt_save_GCC
+  with_gnu_ld=$lt_save_with_gnu_ld
+  lt_cv_path_LDCXX=$lt_cv_path_LD
+  lt_cv_path_LD=$lt_save_path_LD
+  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+fi # test yes != "$_lt_caught_CXX_error"
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+        ac_config_commands="$ac_config_commands libtool"
+
+
+
+
+# Only expand once:
+
+
+
+
+if test "x$cross_compiling" = "xno"; then
+	CC_FOR_BUILD=${CC_FOR_BUILD-${CC-gcc}}
+else
+	CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+fi
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$AR"; then
+  ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_AR="${ac_tool_prefix}ar"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+printf "%s\n" "$AR" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_AR"; then
+  ac_ct_AR=$AR
+  # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_AR"; then
+  ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_AR="ar"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+printf "%s\n" "$ac_ct_AR" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_AR" = x; then
+    AR=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    AR=$ac_ct_AR
+  fi
+else
+  AR="$ac_cv_prog_AR"
+fi
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ld", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ld; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$LD"; then
+  ac_cv_prog_LD="$LD" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LD="${ac_tool_prefix}ld"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+LD=$ac_cv_prog_LD
+if test -n "$LD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_LD"; then
+  ac_ct_LD=$LD
+  # Extract the first word of "ld", so it can be a program name with args.
+set dummy ld; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_LD"; then
+  ac_cv_prog_ac_ct_LD="$ac_ct_LD" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_LD="ld"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_LD=$ac_cv_prog_ac_ct_LD
+if test -n "$ac_ct_LD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LD" >&5
+printf "%s\n" "$ac_ct_LD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_LD" = x; then
+    LD=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    LD=$ac_ct_LD
+  fi
+else
+  LD="$ac_cv_prog_LD"
+fi
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU libc2" >&5
+printf %s "checking for GNU libc2... " >&6; }
+  if test ${knfsd_cv_glibc2+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+      #include <features.h>
+      #if !defined(__GLIBC__)
+      # error Nope
+      #endif
+
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  knfsd_cv_glibc2=yes
+else $as_nop
+  knfsd_cv_glibc2=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $knfsd_cv_glibc2" >&5
+printf "%s\n" "$knfsd_cv_glibc2" >&6; }
+  if test $knfsd_cv_glibc2 = yes; then
+    CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+    CPPFLAGS_FOR_BUILD="$CPPFLAGS_FOR_BUILD -D_GNU_SOURCE"
+  fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for BSD signal semantics" >&5
+printf %s "checking for BSD signal semantics... " >&6; }
+  if test ${knfsd_cv_bsd_signals+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+
+      case "$host_os" in
+        *linux*) knfsd_cv_bsd_signals=no;;
+        *bsd*)   knfsd_cv_bsd_signals=yes;;
+        *)       as_fn_error $? "unable to guess signal semantics for $host_os; please set knfsd_cv_bsd_signals" "$LINENO" 5;;
+      esac
+
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+	#include <signal.h>
+	#include <unistd.h>
+	#include <sys/wait.h>
+
+	static int counter = 0;
+	static void handler(int num) { counter++; }
+
+	int main()
+	{
+		int	s;
+		if ((s = fork()) < 0) return 1;
+		if (s != 0) {
+			if (wait(&s) < 0) return 1;
+			return WIFSIGNALED(s)? 1 : 0;
+		}
+
+		signal(SIGHUP, handler);
+		kill(getpid(), SIGHUP); kill(getpid(), SIGHUP);
+		return (counter == 2)? 0 : 1;
+	}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  knfsd_cv_bsd_signals=yes
+else $as_nop
+  knfsd_cv_bsd_signals=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $knfsd_cv_bsd_signals" >&5
+printf "%s\n" "$knfsd_cv_bsd_signals" >&6; }
+    test $knfsd_cv_bsd_signals = yes &&
+printf "%s\n" "#define HAVE_BSD_SIGNALS 1" >>confdefs.h
+
+
+
+
+ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
+if test "x$ac_cv_func_gethostbyname" = xyes
+then :
+
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
+printf %s "checking for gethostbyname in -lnsl... " >&6; }
+if test ${ac_cv_lib_nsl_gethostbyname+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lnsl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char gethostbyname ();
+int
+main (void)
+{
+return gethostbyname ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_nsl_gethostbyname=yes
+else $as_nop
+  ac_cv_lib_nsl_gethostbyname=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
+printf "%s\n" "$ac_cv_lib_nsl_gethostbyname" >&6; }
+if test "x$ac_cv_lib_nsl_gethostbyname" = xyes
+then :
+  LIBNSL="-lnsl"
+fi
+
+fi
+
+
+
+ac_fn_c_check_func "$LINENO" "connect" "ac_cv_func_connect"
+if test "x$ac_cv_func_connect" = xyes
+then :
+
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for connect in -lsocket" >&5
+printf %s "checking for connect in -lsocket... " >&6; }
+if test ${ac_cv_lib_socket_connect+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsocket $LIBNSL $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char connect ();
+int
+main (void)
+{
+return connect ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_socket_connect=yes
+else $as_nop
+  ac_cv_lib_socket_connect=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_connect" >&5
+printf "%s\n" "$ac_cv_lib_socket_connect" >&6; }
+if test "x$ac_cv_lib_socket_connect" = xyes
+then :
+  LIBSOCKET="-lsocket"
+else $as_nop
+  as_fn_error $? "Function 'socket' not found." "$LINENO" 5
+fi
+
+fi
+
+
+ac_fn_c_check_func "$LINENO" "getaddrinfo" "ac_cv_func_getaddrinfo"
+if test "x$ac_cv_func_getaddrinfo" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Function 'getaddrinfo' not found." "$LINENO" 5
+fi
+
+
+ac_fn_c_check_func "$LINENO" "getservbyname" "ac_cv_func_getservbyname"
+if test "x$ac_cv_func_getservbyname" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Function 'getservbyname' not found." "$LINENO" 5
+fi
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for crypt in -lcrypt" >&5
+printf %s "checking for crypt in -lcrypt... " >&6; }
+if test ${ac_cv_lib_crypt_crypt+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcrypt  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char crypt ();
+int
+main (void)
+{
+return crypt ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_crypt_crypt=yes
+else $as_nop
+  ac_cv_lib_crypt_crypt=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypt_crypt" >&5
+printf "%s\n" "$ac_cv_lib_crypt_crypt" >&6; }
+if test "x$ac_cv_lib_crypt_crypt" = xyes
+then :
+  LIBCRYPT="-lcrypt"
+fi
+
+
+ac_fn_c_check_header_compile "$LINENO" "sched.h" "ac_cv_header_sched_h" "$ac_includes_default"
+if test "x$ac_cv_header_sched_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SCHED_H 1" >>confdefs.h
+
+fi
+
+
+  for ac_func in unshare fstatat statx
+do :
+  as_ac_var=`printf "%s\n" "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"
+then :
+  cat >>confdefs.h <<_ACEOF
+#define `printf "%s\n" "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
+printf %s "checking for pthread_create in -lpthread... " >&6; }
+if test ${ac_cv_lib_pthread_pthread_create+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthread  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char pthread_create ();
+int
+main (void)
+{
+return pthread_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_pthread_pthread_create=yes
+else $as_nop
+  ac_cv_lib_pthread_pthread_create=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
+printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; }
+if test "x$ac_cv_lib_pthread_pthread_create" = xyes
+then :
+
+printf "%s\n" "#define HAVE_LIBPTHREAD 1" >>confdefs.h
+
+		       for ac_header in pthread.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default"
+if test "x$ac_cv_header_pthread_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_PTHREAD_H 1" >>confdefs.h
+
+else $as_nop
+  as_fn_error $? "libpthread headers not found." "$LINENO" 5
+fi
+
+done
+		 LIBPTHREAD=-lpthread
+
+fi
+
+
+
+
+# rpc/rpc.h can come from the glibc or from libtirpc
+nfsutils_save_CPPFLAGS="${CPPFLAGS}"
+CPPFLAGS="${CPPFLAGS} ${TIRPC_CFLAGS}"
+ac_fn_c_check_header_compile "$LINENO" "rpc/rpc.h" "ac_cv_header_rpc_rpc_h" "$ac_includes_default"
+if test "x$ac_cv_header_rpc_rpc_h" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Header file rpc/rpc.h not found - maybe try building with --enable-tirpc" "$LINENO" 5
+fi
+
+CPPFLAGS="${nfsutils_save_CPPFLAGS}"
+
+ac_fn_c_check_header_compile "$LINENO" "uuid/uuid.h" "ac_cv_header_uuid_uuid_h" "$ac_includes_default"
+if test "x$ac_cv_header_uuid_uuid_h" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Cannot find needed header file uuid/uuid.h. Install libuuid-devel" "$LINENO" 5
+fi
+
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for event_base_dispatch in -levent_core" >&5
+printf %s "checking for event_base_dispatch in -levent_core... " >&6; }
+if test ${ac_cv_lib_event_core_event_base_dispatch+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-levent_core  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char event_base_dispatch ();
+int
+main (void)
+{
+return event_base_dispatch ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_event_core_event_base_dispatch=yes
+else $as_nop
+  ac_cv_lib_event_core_event_base_dispatch=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_event_core_event_base_dispatch" >&5
+printf "%s\n" "$ac_cv_lib_event_core_event_base_dispatch" >&6; }
+if test "x$ac_cv_lib_event_core_event_base_dispatch" = xyes
+then :
+  LIBEVENT=-levent_core
+else $as_nop
+  as_fn_error $? "libevent not found." "$LINENO" 5
+fi
+
+
+
+         for ac_header in event2/event.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "event2/event.h" "ac_cv_header_event2_event_h" "$ac_includes_default"
+if test "x$ac_cv_header_event2_event_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_EVENT2_EVENT_H 1" >>confdefs.h
+
+else $as_nop
+  as_fn_error $? "libevent headers not found." "$LINENO" 5
+fi
+
+done
+
+
+
+
+  ac_fn_c_check_header_compile "$LINENO" "sqlite3.h" "ac_cv_header_sqlite3_h" "$ac_includes_default"
+if test "x$ac_cv_header_sqlite3_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SQLITE3_H 1" >>confdefs.h
+
+fi
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sqlite3_libversion_number in -lsqlite3" >&5
+printf %s "checking for sqlite3_libversion_number in -lsqlite3... " >&6; }
+if test ${ac_cv_lib_sqlite3_sqlite3_libversion_number+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsqlite3  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char sqlite3_libversion_number ();
+int
+main (void)
+{
+return sqlite3_libversion_number ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_sqlite3_sqlite3_libversion_number=yes
+else $as_nop
+  ac_cv_lib_sqlite3_sqlite3_libversion_number=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sqlite3_sqlite3_libversion_number" >&5
+printf "%s\n" "$ac_cv_lib_sqlite3_sqlite3_libversion_number" >&6; }
+if test "x$ac_cv_lib_sqlite3_sqlite3_libversion_number" = xyes
+then :
+  LIBSQLITE=-lsqlite3
+fi
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suitable sqlite3 version" >&5
+printf %s "checking for suitable sqlite3 version... " >&6; }
+
+  if test ${libsqlite3_cv_is_recent+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+    saved_LIBS="$LIBS"
+    LIBS=-lsqlite3
+    if test "$cross_compiling" = yes
+then :
+  libsqlite3_cv_is_recent=unknown
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+	#include <stdio.h>
+	#include <sqlite3.h>
+	int main()
+	{
+		int vers = sqlite3_libversion_number();
+
+		return vers != SQLITE_VERSION_NUMBER ||
+			vers < 3003000;
+	}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  libsqlite3_cv_is_recent=yes
+else $as_nop
+  libsqlite3_cv_is_recent=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+    LIBS="$saved_LIBS"
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libsqlite3_cv_is_recent" >&5
+printf "%s\n" "$libsqlite3_cv_is_recent" >&6; }
+
+
+case $libsqlite3_cv_is_recent in
+yes) ;;
+unknown)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: assuming sqlite is at least v3.3" >&5
+printf "%s\n" "$as_me: WARNING: assuming sqlite is at least v3.3" >&2;} ;;
+*)
+   as_fn_error $? "nfsdcld requires sqlite-devel" "$LINENO" 5 ;;
+esac
+
+if test "$enable_nfsv4" = yes; then
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for keyctl_instantiate in -lkeyutils" >&5
+printf %s "checking for keyctl_instantiate in -lkeyutils... " >&6; }
+if test ${ac_cv_lib_keyutils_keyctl_instantiate+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lkeyutils  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char keyctl_instantiate ();
+int
+main (void)
+{
+return keyctl_instantiate ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_keyutils_keyctl_instantiate=yes
+else $as_nop
+  ac_cv_lib_keyutils_keyctl_instantiate=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_keyutils_keyctl_instantiate" >&5
+printf "%s\n" "$ac_cv_lib_keyutils_keyctl_instantiate" >&6; }
+if test "x$ac_cv_lib_keyutils_keyctl_instantiate" = xyes
+then :
+  LIBKEYUTILS=-lkeyutils
+fi
+
+
+
+  ac_fn_c_check_header_compile "$LINENO" "keyutils.h" "ac_cv_header_keyutils_h" "$ac_includes_default"
+if test "x$ac_cv_header_keyutils_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_KEYUTILS_H 1" >>confdefs.h
+
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for find_key_by_type_and_desc in -lkeyutils" >&5
+printf %s "checking for find_key_by_type_and_desc in -lkeyutils... " >&6; }
+if test ${ac_cv_lib_keyutils_find_key_by_type_and_desc+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lkeyutils  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char find_key_by_type_and_desc ();
+int
+main (void)
+{
+return find_key_by_type_and_desc ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_keyutils_find_key_by_type_and_desc=yes
+else $as_nop
+  ac_cv_lib_keyutils_find_key_by_type_and_desc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_keyutils_find_key_by_type_and_desc" >&5
+printf "%s\n" "$ac_cv_lib_keyutils_find_key_by_type_and_desc" >&6; }
+if test "x$ac_cv_lib_keyutils_find_key_by_type_and_desc" = xyes
+then :
+
+printf "%s\n" "#define HAVE_FIND_KEY_BY_TYPE_AND_DESC 1" >>confdefs.h
+
+fi
+
+
+
+
+  if test "$enable_nfsdcld" = "yes"; then
+	       for ac_header in libgen.h sys/inotify.h
+do :
+  as_ac_Header=`printf "%s\n" "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"
+then :
+  cat >>confdefs.h <<_ACEOF
+#define `printf "%s\n" "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+else $as_nop
+  as_fn_error $? "Cannot find header needed for nfsdcld" "$LINENO" 5
+fi
+
+done
+  fi
+
+  if test "$enable_nfsdcltrack" = "yes"; then
+	       for ac_header in libgen.h sys/inotify.h
+do :
+  as_ac_Header=`printf "%s\n" "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"
+then :
+  cat >>confdefs.h <<_ACEOF
+#define `printf "%s\n" "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+else $as_nop
+  as_fn_error $? "Cannot find header needed for nfsdcltrack" "$LINENO" 5
+fi
+
+done
+  fi
+
+else
+  enable_nfsdcld="no"
+  enable_nfsdcltrack="no"
+fi
+
+if test "$enable_nfsv41" = yes; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dm_task_create in -ldevmapper" >&5
+printf %s "checking for dm_task_create in -ldevmapper... " >&6; }
+if test ${ac_cv_lib_devmapper_dm_task_create+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldevmapper  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char dm_task_create ();
+int
+main (void)
+{
+return dm_task_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_devmapper_dm_task_create=yes
+else $as_nop
+  ac_cv_lib_devmapper_dm_task_create=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_devmapper_dm_task_create" >&5
+printf "%s\n" "$ac_cv_lib_devmapper_dm_task_create" >&6; }
+if test "x$ac_cv_lib_devmapper_dm_task_create" = xyes
+then :
+  LIBDEVMAPPER="-ldevmapper"
+else $as_nop
+  as_fn_error $? "libdevmapper needed" "$LINENO" 5
+fi
+
+  ac_fn_c_check_header_compile "$LINENO" "libdevmapper.h" "ac_cv_header_libdevmapper_h" "$ac_includes_default"
+if test "x$ac_cv_header_libdevmapper_h" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Cannot find devmapper header file libdevmapper.h" "$LINENO" 5
+fi
+
+  ac_fn_c_check_header_compile "$LINENO" "sys/inotify.h" "ac_cv_header_sys_inotify_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_inotify_h" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Cannot find header file sys/inotify.h" "$LINENO" 5
+fi
+
+fi
+
+ if test "$enable_nfsdcld" = "yes" ; then
+  CONFIG_NFSDCLD_TRUE=
+  CONFIG_NFSDCLD_FALSE='#'
+else
+  CONFIG_NFSDCLD_TRUE='#'
+  CONFIG_NFSDCLD_FALSE=
+fi
+
+ if test "$enable_nfsdcltrack" = "yes" ; then
+  CONFIG_NFSDCLTRACK_TRUE=
+  CONFIG_NFSDCLTRACK_FALSE='#'
+else
+  CONFIG_NFSDCLTRACK_TRUE='#'
+  CONFIG_NFSDCLTRACK_FALSE=
+fi
+
+
+
+if test "$knfsd_cv_glibc2" = no; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for daemon in -lbsd" >&5
+printf %s "checking for daemon in -lbsd... " >&6; }
+if test ${ac_cv_lib_bsd_daemon+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lbsd  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char daemon ();
+int
+main (void)
+{
+return daemon ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_bsd_daemon=yes
+else $as_nop
+  ac_cv_lib_bsd_daemon=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_daemon" >&5
+printf "%s\n" "$ac_cv_lib_bsd_daemon" >&6; }
+if test "x$ac_cv_lib_bsd_daemon" = xyes
+then :
+  LIBBSD="-lbsd"
+fi
+
+fi
+
+if test "$choose_blkid" != no; then
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for blkid_get_library_version in -lblkid" >&5
+printf %s "checking for blkid_get_library_version in -lblkid... " >&6; }
+if test ${ac_cv_lib_blkid_blkid_get_library_version+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lblkid  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char blkid_get_library_version ();
+int
+main (void)
+{
+return blkid_get_library_version ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_blkid_blkid_get_library_version=yes
+else $as_nop
+  ac_cv_lib_blkid_blkid_get_library_version=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_blkid_blkid_get_library_version" >&5
+printf "%s\n" "$ac_cv_lib_blkid_blkid_get_library_version" >&6; }
+if test "x$ac_cv_lib_blkid_blkid_get_library_version" = xyes
+then :
+  LIBBLKID="-lblkid"
+else $as_nop
+  as_fn_error $? "libblkid needed" "$LINENO" 5
+fi
+
+   ac_fn_c_check_header_compile "$LINENO" "blkid/blkid.h" "ac_cv_header_blkid_blkid_h" "$ac_includes_default"
+if test "x$ac_cv_header_blkid_blkid_h" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Cannot find libblkid header file blkid/blkid.h" "$LINENO" 5
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suitable libblkid version" >&5
+printf %s "checking for suitable libblkid version... " >&6; }
+  if test ${libblkid_cv_is_recent+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+    saved_LIBS="$LIBS"
+    LIBS=-lblkid
+    if test "$cross_compiling" = yes
+then :
+  libblkid_cv_is_recent=unknown
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+	#include <blkid/blkid.h>
+	int main()
+	{
+		int vers = blkid_get_library_version(0, 0);
+		return vers >= 140 ? 0 : 1;
+	}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  libblkid_cv_is_recent=yes
+else $as_nop
+  libblkid_cv_is_recent=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+    LIBS="$saved_LIBS"
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libblkid_cv_is_recent" >&5
+printf "%s\n" "$libblkid_cv_is_recent" >&6; }
+
+   if test $choose_blkid = yes; then
+      use_blkid=1
+      test $libblkid_cv_is_recent = no && { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: libblkid is old and may cause mountd to leak memory" >&5
+printf "%s\n" "$as_me: WARNING: libblkid is old and may cause mountd to leak memory" >&2;}
+   else
+      if test $libblkid_cv_is_recent = yes
+      then use_blkid=1
+      else use_blkid=0
+	   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: uuid support disabled as libblkid is too old" >&5
+printf "%s\n" "$as_me: WARNING: uuid support disabled as libblkid is too old" >&2;}
+      fi
+    fi
+
+printf "%s\n" "#define USE_BLKID $use_blkid" >>confdefs.h
+
+fi
+
+
+
+
+
+if test "$enable_libmount" = yes; then
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for mnt_context_do_mount in -lmount" >&5
+printf %s "checking for mnt_context_do_mount in -lmount... " >&6; }
+if test ${ac_cv_lib_mount_mnt_context_do_mount+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lmount  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char mnt_context_do_mount ();
+int
+main (void)
+{
+return mnt_context_do_mount ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_mount_mnt_context_do_mount=yes
+else $as_nop
+  ac_cv_lib_mount_mnt_context_do_mount=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mount_mnt_context_do_mount" >&5
+printf "%s\n" "$ac_cv_lib_mount_mnt_context_do_mount" >&6; }
+if test "x$ac_cv_lib_mount_mnt_context_do_mount" = xyes
+then :
+  LIBMOUNT="-lmount"
+else $as_nop
+  as_fn_error $? "libmount needed" "$LINENO" 5
+fi
+
+   ac_fn_c_check_header_compile "$LINENO" "libmount/libmount.h" "ac_cv_header_libmount_libmount_h" "$ac_includes_default"
+if test "x$ac_cv_header_libmount_libmount_h" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "Cannot find libmount header file libmount/libmount.h" "$LINENO" 5
+fi
+
+fi
+ if test "$enable_libmount" = "yes"; then
+  CONFIG_LIBMOUNT_TRUE=
+  CONFIG_LIBMOUNT_FALSE='#'
+else
+  CONFIG_LIBMOUNT_TRUE='#'
+  CONFIG_LIBMOUNT_FALSE=
+fi
+
+
+
+if test "$enable_gss" = yes; then
+    ac_fn_c_check_func "$LINENO" "getnameinfo" "ac_cv_func_getnameinfo"
+if test "x$ac_cv_func_getnameinfo" = xyes
+then :
+
+else $as_nop
+  as_fn_error $? "GSSAPI support requires 'getnameinfo' function" "$LINENO" 5
+fi
+
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for event_base_dispatch in -levent_core" >&5
+printf %s "checking for event_base_dispatch in -levent_core... " >&6; }
+if test ${ac_cv_lib_event_core_event_base_dispatch+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-levent_core  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char event_base_dispatch ();
+int
+main (void)
+{
+return event_base_dispatch ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_event_core_event_base_dispatch=yes
+else $as_nop
+  ac_cv_lib_event_core_event_base_dispatch=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_event_core_event_base_dispatch" >&5
+printf "%s\n" "$ac_cv_lib_event_core_event_base_dispatch" >&6; }
+if test "x$ac_cv_lib_event_core_event_base_dispatch" = xyes
+then :
+  LIBEVENT=-levent_core
+else $as_nop
+  as_fn_error $? "libevent not found." "$LINENO" 5
+fi
+
+
+
+         for ac_header in event2/event.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "event2/event.h" "ac_cv_header_event2_event_h" "$ac_includes_default"
+if test "x$ac_cv_header_event2_event_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_EVENT2_EVENT_H 1" >>confdefs.h
+
+else $as_nop
+  as_fn_error $? "libevent headers not found." "$LINENO" 5
+fi
+
+done
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Kerberos v5" >&5
+printf %s "checking for Kerberos v5... " >&6; }
+
+# Check whether --with-krb5 was given.
+if test ${with_krb5+y}
+then :
+  withval=$with_krb5;  case "$withval" in
+    yes|no)
+       krb5_with=""
+       ;;
+    *)
+       krb5_with="$withval"
+       ;;
+    esac
+
+fi
+
+
+  for dir in $krb5_with /usr /usr/kerberos /usr/local /usr/local/krb5 \
+  	     /usr/krb5 /usr/heimdal /usr/local/heimdal /usr/athena ; do
+            K5CONFIG=""
+    if test -f $dir/bin/krb5-config; then
+      K5CONFIG=$dir/bin/krb5-config
+    elif test -f "/usr/kerberos/bin/krb5-config"; then
+      K5CONFIG="/usr/kerberos/bin/krb5-config"
+    elif test -f "/usr/lib/mit/bin/krb5-config"; then
+      K5CONFIG="/usr/lib/mit/bin/krb5-config"
+    fi
+    if test "$K5CONFIG" != ""; then
+      KRBCFLAGS=`$K5CONFIG --cflags`
+      KRBLIBS=`$K5CONFIG --libs`
+      GSSKRB_CFLAGS=`$K5CONFIG --cflags gssapi`
+      GSSKRB_LIBS=`$K5CONFIG --libs gssapi`
+      K5VERS=`$K5CONFIG --version | head -n 1 | awk '{split($(4),v,"."); if (v["3"] == "") v["3"] = "0"; print v["1"]v["2"]v["3"] }'`
+
+printf "%s\n" "#define KRB5_VERSION $K5VERS" >>confdefs.h
+
+      if test -f $dir/include/gssapi/gssapi_krb5.h -a \
+                \( -f $dir/lib/libgssapi_krb5.a -o \
+                   -f $dir/lib/libgssapi_krb5.so -o \
+                   -f $dir/lib32/libgssapi_krb5.a -o \
+                   -f $dir/lib32/libgssapi_krb5.so -o \
+                   -f $dir/lib64/libgssapi_krb5.a -o \
+                   -f $dir/lib64/libgssapi_krb5.so -o \
+                   -f $dir/lib/$(uname -m)-linux-gnu/libgssapi_krb5.a -o \
+                   -f $dir/lib/$(uname -m)-linux-gnu/libgssapi_krb5.so \) ; then
+
+printf "%s\n" "#define HAVE_KRB5 1" >>confdefs.h
+
+         KRBDIR="$dir"
+         gssapi_lib=gssapi_krb5
+         break
+                  elif test \( -f $dir/include/heim_err.h -o\
+      		 -f $dir/include/heimdal/heim_err.h \) -a \
+                -f $dir/lib/libroken.a; then
+
+printf "%s\n" "#define HAVE_HEIMDAL 1" >>confdefs.h
+
+         KRBDIR="$dir"
+         gssapi_lib=gssapi
+        break
+      fi
+    fi
+  done
+    if test "x$KRBDIR" = "x"; then
+    if test "x$krb5_with" = "x"; then
+      as_fn_error $? "Kerberos v5 with GSS support not found: consider --disable-gss or --with-krb5=" "$LINENO" 5
+    else
+      as_fn_error $? "Kerberos v5 with GSS support not found at $krb5_with" "$LINENO" 5
+    fi
+  fi
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $KRBDIR" >&5
+printf "%s\n" "$KRBDIR" >&6; }
+
+    echo "The current KRBDIR is $KRBDIR"
+  if test "$KRBDIR/lib" = "/lib" -o "$KRBDIR/lib" = "/usr/lib" \
+       -o "$KRBDIR/lib" = "//lib" -o "$KRBDIR/lib" = "/usr//lib" ; then
+    KRBLDFLAGS="";
+  elif /sbin/ldconfig -p | grep > /dev/null "=> $KRBDIR/lib/"; then
+    KRBLDFLAGS="";
+  else
+    KRBLDFLAGS="-Wl,-rpath=$KRBDIR/lib"
+  fi
+
+    as_ac_Lib=`printf "%s\n" "ac_cv_lib_$gssapi_lib""_gss_krb5_export_lucid_sec_context" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gss_krb5_export_lucid_sec_context in -l$gssapi_lib" >&5
+printf %s "checking for gss_krb5_export_lucid_sec_context in -l$gssapi_lib... " >&6; }
+if eval test \${$as_ac_Lib+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$gssapi_lib $KRBLIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char gss_krb5_export_lucid_sec_context ();
+int
+main (void)
+{
+return gss_krb5_export_lucid_sec_context ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$as_ac_Lib=yes"
+else $as_nop
+  eval "$as_ac_Lib=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+eval ac_res=\$$as_ac_Lib
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"
+then :
+
+printf "%s\n" "#define HAVE_LUCID_CONTEXT_SUPPORT 1" >>confdefs.h
+
+fi
+
+  as_ac_Lib=`printf "%s\n" "ac_cv_lib_$gssapi_lib""_gss_krb5_set_allowable_enctypes" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gss_krb5_set_allowable_enctypes in -l$gssapi_lib" >&5
+printf %s "checking for gss_krb5_set_allowable_enctypes in -l$gssapi_lib... " >&6; }
+if eval test \${$as_ac_Lib+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$gssapi_lib $KRBLIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char gss_krb5_set_allowable_enctypes ();
+int
+main (void)
+{
+return gss_krb5_set_allowable_enctypes ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$as_ac_Lib=yes"
+else $as_nop
+  eval "$as_ac_Lib=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+eval ac_res=\$$as_ac_Lib
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"
+then :
+
+printf "%s\n" "#define HAVE_SET_ALLOWABLE_ENCTYPES 1" >>confdefs.h
+
+fi
+
+  as_ac_Lib=`printf "%s\n" "ac_cv_lib_$gssapi_lib""_gss_krb5_free_lucid_sec_context" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gss_krb5_free_lucid_sec_context in -l$gssapi_lib" >&5
+printf %s "checking for gss_krb5_free_lucid_sec_context in -l$gssapi_lib... " >&6; }
+if eval test \${$as_ac_Lib+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$gssapi_lib $KRBLIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char gss_krb5_free_lucid_sec_context ();
+int
+main (void)
+{
+return gss_krb5_free_lucid_sec_context ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$as_ac_Lib=yes"
+else $as_nop
+  eval "$as_ac_Lib=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+eval ac_res=\$$as_ac_Lib
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"
+then :
+
+printf "%s\n" "#define HAVE_GSS_KRB5_FREE_LUCID_SEC_CONTEXT 1" >>confdefs.h
+
+fi
+
+
+    as_ac_Lib=`printf "%s\n" "ac_cv_lib_$gssapi_lib""_krb5_get_error_message" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for krb5_get_error_message in -l$gssapi_lib" >&5
+printf %s "checking for krb5_get_error_message in -l$gssapi_lib... " >&6; }
+if eval test \${$as_ac_Lib+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$gssapi_lib $KRBLIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char krb5_get_error_message ();
+int
+main (void)
+{
+return krb5_get_error_message ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$as_ac_Lib=yes"
+else $as_nop
+  eval "$as_ac_Lib=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+eval ac_res=\$$as_ac_Lib
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"
+then :
+
+printf "%s\n" "#define HAVE_KRB5_GET_ERROR_MESSAGE 1" >>confdefs.h
+
+fi
+
+
+    as_ac_Lib=`printf "%s\n" "ac_cv_lib_$gssapi_lib""_krb5_get_init_creds_opt_set_addressless" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for krb5_get_init_creds_opt_set_addressless in -l$gssapi_lib" >&5
+printf %s "checking for krb5_get_init_creds_opt_set_addressless in -l$gssapi_lib... " >&6; }
+if eval test \${$as_ac_Lib+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$gssapi_lib $KRBLIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char krb5_get_init_creds_opt_set_addressless ();
+int
+main (void)
+{
+return krb5_get_init_creds_opt_set_addressless ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$as_ac_Lib=yes"
+else $as_nop
+  eval "$as_ac_Lib=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+eval ac_res=\$$as_ac_Lib
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"
+then :
+
+printf "%s\n" "#define HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS 1" >>confdefs.h
+
+fi
+
+
+    if test "x$krb5_with" != "x" -a "$krb5_with" != "$KRBDIR"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Using $KRBDIR instead of requested value of $krb5_with for Kerberos!" >&5
+printf "%s\n" "$as_me: WARNING: Using $KRBDIR instead of requested value of $krb5_with for Kerberos!" >&2;}
+  fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
+printf %s "checking for pthread_create in -lpthread... " >&6; }
+if test ${ac_cv_lib_pthread_pthread_create+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthread  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char pthread_create ();
+int
+main (void)
+{
+return pthread_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_pthread_pthread_create=yes
+else $as_nop
+  ac_cv_lib_pthread_pthread_create=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
+printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; }
+if test "x$ac_cv_lib_pthread_pthread_create" = xyes
+then :
+
+printf "%s\n" "#define HAVE_LIBPTHREAD 1" >>confdefs.h
+
+		       for ac_header in pthread.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default"
+if test "x$ac_cv_header_pthread_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_PTHREAD_H 1" >>confdefs.h
+
+else $as_nop
+  as_fn_error $? "libpthread headers not found." "$LINENO" 5
+fi
+
+done
+		 LIBPTHREAD=-lpthread
+
+else $as_nop
+  as_fn_error $? "libpthread not found." "$LINENO" 5
+fi
+
+
+
+
+      if test "$enable_gss" = yes; then
+
+
+
+# Check whether --with-gssglue was given.
+if test ${with_gssglue+y}
+then :
+  withval=$with_gssglue;
+fi
+
+  if test x"$with_gssglue" = x"yes"; then
+
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GSSGLUE" >&5
+printf %s "checking for GSSGLUE... " >&6; }
+
+if test -n "$GSSGLUE_CFLAGS"; then
+    pkg_cv_GSSGLUE_CFLAGS="$GSSGLUE_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libgssglue >= 0.3\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libgssglue >= 0.3") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_GSSGLUE_CFLAGS=`$PKG_CONFIG --cflags "libgssglue >= 0.3" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$GSSGLUE_LIBS"; then
+    pkg_cv_GSSGLUE_LIBS="$GSSGLUE_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libgssglue >= 0.3\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libgssglue >= 0.3") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_GSSGLUE_LIBS=`$PKG_CONFIG --libs "libgssglue >= 0.3" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+   	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        GSSGLUE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libgssglue >= 0.3" 2>&1`
+        else
+	        GSSGLUE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libgssglue >= 0.3" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$GSSGLUE_PKG_ERRORS" >&5
+
+	as_fn_error $? "Package requirements (libgssglue >= 0.3) were not met:
+
+$GSSGLUE_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+Alternatively, you may set the environment variables GSSGLUE_CFLAGS
+and GSSGLUE_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details." "$LINENO" 5
+elif test $pkg_failed = untried; then
+     	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+Alternatively, you may set the environment variables GSSGLUE_CFLAGS
+and GSSGLUE_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.
+See \`config.log' for more details" "$LINENO" 5; }
+else
+	GSSGLUE_CFLAGS=$pkg_cv_GSSGLUE_CFLAGS
+	GSSGLUE_LIBS=$pkg_cv_GSSGLUE_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+
+fi
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gss_set_allowable_enctypes in -lgssglue" >&5
+printf %s "checking for gss_set_allowable_enctypes in -lgssglue... " >&6; }
+if test ${ac_cv_lib_gssglue_gss_set_allowable_enctypes+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lgssglue  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char gss_set_allowable_enctypes ();
+int
+main (void)
+{
+return gss_set_allowable_enctypes ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_gssglue_gss_set_allowable_enctypes=yes
+else $as_nop
+  ac_cv_lib_gssglue_gss_set_allowable_enctypes=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gssglue_gss_set_allowable_enctypes" >&5
+printf "%s\n" "$ac_cv_lib_gssglue_gss_set_allowable_enctypes" >&6; }
+if test "x$ac_cv_lib_gssglue_gss_set_allowable_enctypes" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIBGSSGLUE 1" >>confdefs.h
+
+  LIBS="-lgssglue $LIBS"
+
+fi
+
+  fi
+
+    if test "$enable_tirpc" = no; then
+
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for RPCSECGSS" >&5
+printf %s "checking for RPCSECGSS... " >&6; }
+
+if test -n "$RPCSECGSS_CFLAGS"; then
+    pkg_cv_RPCSECGSS_CFLAGS="$RPCSECGSS_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"librpcsecgss >= 0.16\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "librpcsecgss >= 0.16") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_RPCSECGSS_CFLAGS=`$PKG_CONFIG --cflags "librpcsecgss >= 0.16" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$RPCSECGSS_LIBS"; then
+    pkg_cv_RPCSECGSS_LIBS="$RPCSECGSS_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"librpcsecgss >= 0.16\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "librpcsecgss >= 0.16") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_RPCSECGSS_LIBS=`$PKG_CONFIG --libs "librpcsecgss >= 0.16" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+   	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        RPCSECGSS_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "librpcsecgss >= 0.16" 2>&1`
+        else
+	        RPCSECGSS_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "librpcsecgss >= 0.16" 2>&1`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$RPCSECGSS_PKG_ERRORS" >&5
+
+	as_fn_error $? "Package requirements (librpcsecgss >= 0.16) were not met:
+
+$RPCSECGSS_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+Alternatively, you may set the environment variables RPCSECGSS_CFLAGS
+and RPCSECGSS_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details." "$LINENO" 5
+elif test $pkg_failed = untried; then
+     	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+Alternatively, you may set the environment variables RPCSECGSS_CFLAGS
+and RPCSECGSS_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.
+See \`config.log' for more details" "$LINENO" 5; }
+else
+	RPCSECGSS_CFLAGS=$pkg_cv_RPCSECGSS_CFLAGS
+	RPCSECGSS_LIBS=$pkg_cv_RPCSECGSS_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+
+fi
+  fi
+
+
+    if test x"$GSSGLUE_LIBS" != x""; then
+      GSSAPI_CFLAGS=$GSSGLUE_CFLAGS
+      GSSAPI_LIBS=$GSSGLUE_LIBS
+    else
+      GSSAPI_CFLAGS=$GSSKRB_CFLAGS
+      GSSAPI_LIBS=$GSSKRB_LIBS
+    fi
+
+
+  fi
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __res_querydomain in -lresolv" >&5
+printf %s "checking for __res_querydomain in -lresolv... " >&6; }
+if test ${ac_cv_lib_resolv___res_querydomain+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lresolv  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char __res_querydomain ();
+int
+main (void)
+{
+return __res_querydomain ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_resolv___res_querydomain=yes
+else $as_nop
+  ac_cv_lib_resolv___res_querydomain=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv___res_querydomain" >&5
+printf "%s\n" "$ac_cv_lib_resolv___res_querydomain" >&6; }
+if test "x$ac_cv_lib_resolv___res_querydomain" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIBRESOLV 1" >>confdefs.h
+
+  LIBS="-lresolv $LIBS"
+
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for res_querydomain in -lresolv" >&5
+printf %s "checking for res_querydomain in -lresolv... " >&6; }
+if test ${ac_cv_lib_resolv_res_querydomain+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lresolv  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char res_querydomain ();
+int
+main (void)
+{
+return res_querydomain ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_resolv_res_querydomain=yes
+else $as_nop
+  ac_cv_lib_resolv_res_querydomain=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_res_querydomain" >&5
+printf "%s\n" "$ac_cv_lib_resolv_res_querydomain" >&6; }
+if test "x$ac_cv_lib_resolv_res_querydomain" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIBRESOLV 1" >>confdefs.h
+
+  LIBS="-lresolv $LIBS"
+
+else $as_nop
+  as_fn_error $? "res_querydomain needed" "$LINENO" 5
+fi
+
+fi
+
+
+# Check whether --enable-ldap was given.
+if test ${enable_ldap+y}
+then :
+  enableval=$enable_ldap;
+fi
+
+
+if test "x$enable_ldap" != "xno" ; then
+        ac_fn_c_check_header_compile "$LINENO" "ldap.h" "ac_cv_header_ldap_h" "$ac_includes_default"
+if test "x$ac_cv_header_ldap_h" = xyes
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ldap_initialize in -lldap" >&5
+printf %s "checking for ldap_initialize in -lldap... " >&6; }
+if test ${ac_cv_lib_ldap_ldap_initialize+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lldap  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char ldap_initialize ();
+int
+main (void)
+{
+return ldap_initialize ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_ldap_ldap_initialize=yes
+else $as_nop
+  ac_cv_lib_ldap_ldap_initialize=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ldap_ldap_initialize" >&5
+printf "%s\n" "$ac_cv_lib_ldap_ldap_initialize" >&6; }
+if test "x$ac_cv_lib_ldap_ldap_initialize" = xyes
+then :
+  have_ldap="yes"
+else $as_nop
+  have_ldap="no"
+fi
+
+else $as_nop
+  have_ldap="no"
+fi
+
+        if test "x$have_ldap" = "xyes" ; then
+                                ac_fn_c_check_header_compile "$LINENO" "sasl.h" "ac_cv_header_sasl_h" "$ac_includes_default"
+if test "x$ac_cv_header_sasl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SASL_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sasl/sasl.h" "ac_cv_header_sasl_sasl_h" "$ac_includes_default"
+if test "x$ac_cv_header_sasl_sasl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SASL_SASL_H 1" >>confdefs.h
+
+fi
+
+                ac_fn_c_check_header_compile "$LINENO" "gsssasl.h" "ac_cv_header_gsssasl_h" "$ac_includes_default"
+if test "x$ac_cv_header_gsssasl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_GSSSASL_H 1" >>confdefs.h
+
+fi
+
+                ac_fn_c_check_type "$LINENO" "sasl_interact_t" "ac_cv_type_sasl_interact_t" "
+                        #ifdef HAVE_SASL_SASL_H
+                        #include <sasl/sasl.h>
+                        #elif defined(HAVE_SASL_H)
+                        #include <sasl.h>
+                        #endif
+"
+if test "x$ac_cv_type_sasl_interact_t" = xyes
+then :
+  have_sasl_interact_t="yes"
+fi
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ldap_sasl_interactive_bind_s in -lldap" >&5
+printf %s "checking for ldap_sasl_interactive_bind_s in -lldap... " >&6; }
+if test ${ac_cv_lib_ldap_ldap_sasl_interactive_bind_s+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lldap  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char ldap_sasl_interactive_bind_s ();
+int
+main (void)
+{
+return ldap_sasl_interactive_bind_s ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_ldap_ldap_sasl_interactive_bind_s=yes
+else $as_nop
+  ac_cv_lib_ldap_ldap_sasl_interactive_bind_s=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ldap_ldap_sasl_interactive_bind_s" >&5
+printf "%s\n" "$ac_cv_lib_ldap_ldap_sasl_interactive_bind_s" >&6; }
+if test "x$ac_cv_lib_ldap_ldap_sasl_interactive_bind_s" = xyes
+then :
+  have_ldap_sasl_interactive_bind_s="yes"
+fi
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gss_krb5_ccache_name in -lgssapi_krb5" >&5
+printf %s "checking for gss_krb5_ccache_name in -lgssapi_krb5... " >&6; }
+if test ${ac_cv_lib_gssapi_krb5_gss_krb5_ccache_name+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lgssapi_krb5  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char gss_krb5_ccache_name ();
+int
+main (void)
+{
+return gss_krb5_ccache_name ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_gssapi_krb5_gss_krb5_ccache_name=yes
+else $as_nop
+  ac_cv_lib_gssapi_krb5_gss_krb5_ccache_name=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gssapi_krb5_gss_krb5_ccache_name" >&5
+printf "%s\n" "$ac_cv_lib_gssapi_krb5_gss_krb5_ccache_name" >&6; }
+if test "x$ac_cv_lib_gssapi_krb5_gss_krb5_ccache_name" = xyes
+then :
+  have_gss_krb5_ccache_name="yes"
+fi
+
+		if test "x$have_sasl_interact_t" = "xyes" -a \
+			"x$have_ldap_sasl_interactive_bind_s" = "xyes" -a \
+			"x$have_gss_krb5_ccache_name" = "xyes"; then
+
+printf "%s\n" "#define HAVE_LDAP_SASL_INTERACTIVE_BIND_S 1" >>confdefs.h
+
+
+printf "%s\n" "#define HAVE_GSS_KRB5_CCACHE_NAME 1" >>confdefs.h
+
+			ac_fn_c_check_header_compile "$LINENO" "gssapi/gssapi.h" "ac_cv_header_gssapi_gssapi_h" "$ac_includes_default"
+if test "x$ac_cv_header_gssapi_gssapi_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_GSSAPI_GSSAPI_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "gssapi/gssapi_generic.h" "ac_cv_header_gssapi_gssapi_generic_h" "$ac_includes_default"
+if test "x$ac_cv_header_gssapi_gssapi_generic_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_GSSAPI_GSSAPI_GENERIC_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "gssapi/gssapi_krb5.h" "ac_cv_header_gssapi_gssapi_krb5_h" "$ac_includes_default"
+if test "x$ac_cv_header_gssapi_gssapi_krb5_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_GSSAPI_GSSAPI_KRB5_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "gssapi.h" "ac_cv_header_gssapi_h" "$ac_includes_default"
+if test "x$ac_cv_header_gssapi_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_GSSAPI_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "krb5.h" "ac_cv_header_krb5_h" "$ac_includes_default"
+if test "x$ac_cv_header_krb5_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_KRB5_H 1" >>confdefs.h
+
+fi
+
+
+printf "%s\n" "#define ENABLE_LDAP_SASL 1" >>confdefs.h
+
+			have_ldap_sasl="yes"
+		fi
+
+printf "%s\n" "#define ENABLE_LDAP 1" >>confdefs.h
+
+        elif test "x$enable_ldap$have_ldap" = "xyesno" ; then
+                as_fn_error $? "LDAP support not found!" "$LINENO" 5
+        fi
+fi
+ if test "x$have_ldap" = "xyes"; then
+  ENABLE_LDAP_TRUE=
+  ENABLE_LDAP_FALSE='#'
+else
+  ENABLE_LDAP_TRUE='#'
+  ENABLE_LDAP_FALSE=
+fi
+
+ if test "x$have_ldap_sasl" = "xyes"; then
+  ENABLE_LDAP_SASL_TRUE=
+  ENABLE_LDAP_SASL_FALSE='#'
+else
+  ENABLE_LDAP_SASL_TRUE='#'
+  ENABLE_LDAP_SASL_FALSE=
+fi
+
+
+# Check whether --enable-gums was given.
+if test ${enable_gums+y}
+then :
+  enableval=$enable_gums;
+fi
+
+if test "x$enable_gums" = "xyes" ; then
+
+printf "%s\n" "#define ENABLE_GUMS 1" >>confdefs.h
+
+fi
+ if test "x$enable_gums" = "xyes"; then
+  ENABLE_GUMS_TRUE=
+  ENABLE_GUMS_FALSE='#'
+else
+  ENABLE_GUMS_TRUE='#'
+  ENABLE_GUMS_FALSE=
+fi
+
+
+
+# Check whether --with-pluginpath was given.
+if test ${with_pluginpath+y}
+then :
+  withval=$with_pluginpath; path_plugins=$withval
+else $as_nop
+  path_plugins=""
+
+fi
+
+if test -n "$path_plugins" ; then
+
+printf "%s\n" "#define PATH_PLUGINS \"$path_plugins\"" >>confdefs.h
+
+fi
+ if test -n "$path_plugins"; then
+  PATH_PLUGINS_TRUE=
+  PATH_PLUGINS_FALSE='#'
+else
+  PATH_PLUGINS_TRUE='#'
+  PATH_PLUGINS_FALSE=
+fi
+
+PATH_PLUGINS="$path_plugins"
+
+
+AM_CPPFLAGS="$AM_CPPFLAGS"
+
+
+printf "%s\n" "#define HAVE_NFS4_SET_DEBUG 1" >>confdefs.h
+
+
+
+
+  if test "$enable_ipv6" = yes; then
+
+        if test "$enable_tirpc" = no; then
+      as_fn_error $? "'--enable-ipv6' requires TIRPC support." "$LINENO" 5
+    fi
+
+
+  for ac_func in getifaddrs getnameinfo
+do :
+  as_ac_var=`printf "%s\n" "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"
+then :
+  cat >>confdefs.h <<_ACEOF
+#define `printf "%s\n" "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else $as_nop
+  as_fn_error $? "Missing library functions needed for IPv6." "$LINENO" 5
+fi
+
+done
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for bindresvport_sa in -ltirpc" >&5
+printf %s "checking for bindresvport_sa in -ltirpc... " >&6; }
+if test ${ac_cv_lib_tirpc_bindresvport_sa+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ltirpc  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char bindresvport_sa ();
+int
+main (void)
+{
+return bindresvport_sa ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_tirpc_bindresvport_sa=yes
+else $as_nop
+  ac_cv_lib_tirpc_bindresvport_sa=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tirpc_bindresvport_sa" >&5
+printf "%s\n" "$ac_cv_lib_tirpc_bindresvport_sa" >&6; }
+if test "x$ac_cv_lib_tirpc_bindresvport_sa" = xyes
+then :
+  :
+else $as_nop
+  as_fn_error $? "Missing library functions needed for IPv6." "$LINENO" 5
+fi
+
+  fi
+
+
+
+ac_fn_c_check_header_compile "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"
+if test "x$ac_cv_header_arpa_inet_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_ARPA_INET_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "fcntl.h" "ac_cv_header_fcntl_h" "$ac_includes_default"
+if test "x$ac_cv_header_fcntl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_FCNTL_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "libintl.h" "ac_cv_header_libintl_h" "$ac_includes_default"
+if test "x$ac_cv_header_libintl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIBINTL_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "limits.h" "ac_cv_header_limits_h" "$ac_includes_default"
+if test "x$ac_cv_header_limits_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIMITS_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "malloc.h" "ac_cv_header_malloc_h" "$ac_includes_default"
+if test "x$ac_cv_header_malloc_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_MALLOC_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "memory.h" "ac_cv_header_memory_h" "$ac_includes_default"
+if test "x$ac_cv_header_memory_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_MEMORY_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "netdb.h" "ac_cv_header_netdb_h" "$ac_includes_default"
+if test "x$ac_cv_header_netdb_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_NETDB_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "netinet/in.h" "ac_cv_header_netinet_in_h" "$ac_includes_default"
+if test "x$ac_cv_header_netinet_in_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_NETINET_IN_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "paths.h" "ac_cv_header_paths_h" "$ac_includes_default"
+if test "x$ac_cv_header_paths_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_PATHS_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_stdlib_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_STDLIB_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default"
+if test "x$ac_cv_header_string_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRING_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sys/file.h" "ac_cv_header_sys_file_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_file_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_FILE_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_ioctl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_IOCTL_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sys/mount.h" "ac_cv_header_sys_mount_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_mount_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_MOUNT_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sys/param.h" "ac_cv_header_sys_param_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_param_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_PARAM_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sys/socket.h" "ac_cv_header_sys_socket_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_socket_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_SOCKET_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_time_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_TIME_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "sys/vfs.h" "ac_cv_header_sys_vfs_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_vfs_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_VFS_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "syslog.h" "ac_cv_header_syslog_h" "$ac_includes_default"
+if test "x$ac_cv_header_syslog_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYSLOG_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
+if test "x$ac_cv_header_unistd_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_UNISTD_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "com_err.h" "ac_cv_header_com_err_h" "$ac_includes_default"
+if test "x$ac_cv_header_com_err_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_COM_ERR_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "et/com_err.h" "ac_cv_header_et_com_err_h" "$ac_includes_default"
+if test "x$ac_cv_header_et_com_err_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_ET_COM_ERR_H 1" >>confdefs.h
+
+fi
+ac_fn_c_check_header_compile "$LINENO" "ifaddrs.h" "ac_cv_header_ifaddrs_h" "$ac_includes_default"
+if test "x$ac_cv_header_ifaddrs_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_IFADDRS_H 1" >>confdefs.h
+
+fi
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
+printf %s "checking for an ANSI C-conforming const... " >&6; }
+if test ${ac_cv_c_const+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+#ifndef __cplusplus
+  /* Ultrix mips cc rejects this sort of thing.  */
+  typedef int charset[2];
+  const charset cs = { 0, 0 };
+  /* SunOS 4.1.1 cc rejects this.  */
+  char const *const *pcpcc;
+  char **ppc;
+  /* NEC SVR4.0.2 mips cc rejects this.  */
+  struct point {int x, y;};
+  static struct point const zero = {0,0};
+  /* IBM XL C 1.02.0.0 rejects this.
+     It does not let you subtract one const X* pointer from another in
+     an arm of an if-expression whose if-part is not a constant
+     expression */
+  const char *g = "string";
+  pcpcc = &g + (g ? g-g : 0);
+  /* HPUX 7.0 cc rejects these. */
+  ++pcpcc;
+  ppc = (char**) pcpcc;
+  pcpcc = (char const *const *) ppc;
+  { /* SCO 3.2v4 cc rejects this sort of thing.  */
+    char tx;
+    char *t = &tx;
+    char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+    *t++ = 0;
+    if (s) return 0;
+  }
+  { /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
+    int x[] = {25, 17};
+    const int *foo = &x[0];
+    ++foo;
+  }
+  { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+    typedef const int *iptr;
+    iptr p = 0;
+    ++p;
+  }
+  { /* IBM XL C 1.02.0.0 rejects this sort of thing, saying
+       "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+    struct s { int j; const int *ap[3]; } bx;
+    struct s *b = &bx; b->j = 5;
+  }
+  { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+    const int foo = 10;
+    if (!foo) return 0;
+  }
+  return !cs[0] && !zero.x;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_c_const=yes
+else $as_nop
+  ac_cv_c_const=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
+printf "%s\n" "$ac_cv_c_const" >&6; }
+if test $ac_cv_c_const = no; then
+
+printf "%s\n" "#define const /**/" >>confdefs.h
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5
+printf %s "checking for uid_t in sys/types.h... " >&6; }
+if test ${ac_cv_type_uid_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "uid_t" >/dev/null 2>&1
+then :
+  ac_cv_type_uid_t=yes
+else $as_nop
+  ac_cv_type_uid_t=no
+fi
+rm -rf conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_uid_t" >&5
+printf "%s\n" "$ac_cv_type_uid_t" >&6; }
+if test $ac_cv_type_uid_t = no; then
+
+printf "%s\n" "#define uid_t int" >>confdefs.h
+
+
+printf "%s\n" "#define gid_t int" >>confdefs.h
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
+printf %s "checking for inline... " >&6; }
+if test ${ac_cv_c_inline+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_c_inline=no
+for ac_kw in inline __inline__ __inline; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifndef __cplusplus
+typedef int foo_t;
+static $ac_kw foo_t static_foo (void) {return 0; }
+$ac_kw foo_t foo (void) {return 0; }
+#endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_c_inline=$ac_kw
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  test "$ac_cv_c_inline" != no && break
+done
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
+printf "%s\n" "$ac_cv_c_inline" >&6; }
+
+case $ac_cv_c_inline in
+  inline | yes) ;;
+  *)
+    case $ac_cv_c_inline in
+      no) ac_val=;;
+      *) ac_val=$ac_cv_c_inline;;
+    esac
+    cat >>confdefs.h <<_ACEOF
+#ifndef __cplusplus
+#define inline $ac_val
+#endif
+_ACEOF
+    ;;
+esac
+
+ac_fn_c_check_type "$LINENO" "off_t" "ac_cv_type_off_t" "$ac_includes_default"
+if test "x$ac_cv_type_off_t" = xyes
+then :
+
+else $as_nop
+
+printf "%s\n" "#define off_t long int" >>confdefs.h
+
+fi
+
+
+  ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default
+"
+if test "x$ac_cv_type_pid_t" = xyes
+then :
+
+else $as_nop
+                                          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+          #if defined _WIN64 && !defined __CYGWIN__
+          LLP64
+          #endif
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_pid_type='int'
+else $as_nop
+  ac_pid_type='__int64'
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+printf "%s\n" "#define pid_t $ac_pid_type" >>confdefs.h
+
+
+fi
+
+
+ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
+if test "x$ac_cv_type_size_t" = xyes
+then :
+
+else $as_nop
+
+printf "%s\n" "#define size_t unsigned int" >>confdefs.h
+
+fi
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5
+printf %s "checking whether struct tm is in sys/time.h or time.h... " >&6; }
+if test ${ac_cv_struct_tm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <time.h>
+
+int
+main (void)
+{
+struct tm tm;
+				     int *p = &tm.tm_sec;
+				     return !p;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_struct_tm=time.h
+else $as_nop
+  ac_cv_struct_tm=sys/time.h
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_tm" >&5
+printf "%s\n" "$ac_cv_struct_tm" >&6; }
+if test $ac_cv_struct_tm = sys/time.h; then
+
+printf "%s\n" "#define TM_IN_SYS_TIME 1" >>confdefs.h
+
+fi
+
+ac_fn_c_check_type "$LINENO" "struct file_handle" "ac_cv_type_struct_file_handle" "
+		#define _GNU_SOURCE
+		#include <sys/types.h>
+		#include <sys/stat.h>
+		#include <fcntl.h>
+
+"
+if test "x$ac_cv_type_struct_file_handle" = xyes
+then :
+
+printf "%s\n" "#define HAVE_STRUCT_FILE_HANDLE 1" >>confdefs.h
+
+
+fi
+
+
+# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
+# for constant arguments.  Useless!
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5
+printf %s "checking for working alloca.h... " >&6; }
+if test ${ac_cv_working_alloca_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <alloca.h>
+int
+main (void)
+{
+char *p = (char *) alloca (2 * sizeof (int));
+			  if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_working_alloca_h=yes
+else $as_nop
+  ac_cv_working_alloca_h=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
+printf "%s\n" "$ac_cv_working_alloca_h" >&6; }
+if test $ac_cv_working_alloca_h = yes; then
+
+printf "%s\n" "#define HAVE_ALLOCA_H 1" >>confdefs.h
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5
+printf %s "checking for alloca... " >&6; }
+if test ${ac_cv_func_alloca_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test $ac_cv_working_alloca_h = yes; then
+  ac_cv_func_alloca_works=yes
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stddef.h>
+#ifndef alloca
+# ifdef __GNUC__
+#  define alloca __builtin_alloca
+# elif defined _MSC_VER
+#  include <malloc.h>
+#  define alloca _alloca
+# else
+#  ifdef  __cplusplus
+extern "C"
+#  endif
+void *alloca (size_t);
+# endif
+#endif
+
+int
+main (void)
+{
+char *p = (char *) alloca (1);
+				    if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_func_alloca_works=yes
+else $as_nop
+  ac_cv_func_alloca_works=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
+printf "%s\n" "$ac_cv_func_alloca_works" >&6; }
+fi
+
+if test $ac_cv_func_alloca_works = yes; then
+
+printf "%s\n" "#define HAVE_ALLOCA 1" >>confdefs.h
+
+else
+  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
+# that cause trouble.  Some versions do not even contain alloca or
+# contain a buggy version.  If you still want to use their alloca,
+# use ar to extract alloca.o from them instead of compiling alloca.c.
+
+ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
+
+printf "%s\n" "#define C_ALLOCA 1" >>confdefs.h
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
+printf %s "checking stack direction for C alloca... " >&6; }
+if test ${ac_cv_c_stack_direction+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  ac_cv_c_stack_direction=0
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+find_stack_direction (int *addr, int depth)
+{
+  int dir, dummy = 0;
+  if (! addr)
+    addr = &dummy;
+  *addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
+  dir = depth ? find_stack_direction (addr, depth - 1) : 0;
+  return dir + dummy;
+}
+
+int
+main (int argc, char **argv)
+{
+  return find_stack_direction (0, argc + !argv + 20) < 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_c_stack_direction=1
+else $as_nop
+  ac_cv_c_stack_direction=-1
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
+printf "%s\n" "$ac_cv_c_stack_direction" >&6; }
+printf "%s\n" "#define STACK_DIRECTION $ac_cv_c_stack_direction" >>confdefs.h
+
+
+fi
+
+ac_header_dirent=no
+for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
+  as_ac_Header=`printf "%s\n" "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5
+printf %s "checking for $ac_hdr that defines DIR... " >&6; }
+if eval test \${$as_ac_Header+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <$ac_hdr>
+
+int
+main (void)
+{
+if ((DIR *) 0)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$as_ac_Header=yes"
+else $as_nop
+  eval "$as_ac_Header=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$as_ac_Header
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Header"\" = x"yes"
+then :
+  cat >>confdefs.h <<_ACEOF
+#define `printf "%s\n" "HAVE_$ac_hdr" | $as_tr_cpp` 1
+_ACEOF
+
+ac_header_dirent=$ac_hdr; break
+fi
+
+done
+# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
+if test $ac_header_dirent = dirent.h; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
+printf %s "checking for library containing opendir... " >&6; }
+if test ${ac_cv_search_opendir+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char opendir ();
+int
+main (void)
+{
+return opendir ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' dir
+do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_search_opendir=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext
+  if test ${ac_cv_search_opendir+y}
+then :
+  break
+fi
+done
+if test ${ac_cv_search_opendir+y}
+then :
+
+else $as_nop
+  ac_cv_search_opendir=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5
+printf "%s\n" "$ac_cv_search_opendir" >&6; }
+ac_res=$ac_cv_search_opendir
+if test "$ac_res" != no
+then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
+printf %s "checking for library containing opendir... " >&6; }
+if test ${ac_cv_search_opendir+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char opendir ();
+int
+main (void)
+{
+return opendir ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' x
+do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_search_opendir=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext
+  if test ${ac_cv_search_opendir+y}
+then :
+  break
+fi
+done
+if test ${ac_cv_search_opendir+y}
+then :
+
+else $as_nop
+  ac_cv_search_opendir=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5
+printf "%s\n" "$ac_cv_search_opendir" >&6; }
+ac_res=$ac_cv_search_opendir
+if test "$ac_res" != no
+then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether closedir returns void" >&5
+printf %s "checking whether closedir returns void... " >&6; }
+if test ${ac_cv_func_closedir_void+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <$ac_header_dirent>
+
+int
+main (void)
+{
+
+  return closedir(0);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_func_closedir_void=no
+else $as_nop
+  ac_cv_func_closedir_void=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_closedir_void" >&5
+printf "%s\n" "$ac_cv_func_closedir_void" >&6; }
+if test $ac_cv_func_closedir_void = yes; then
+
+printf "%s\n" "#define CLOSEDIR_VOID 1" >>confdefs.h
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for error_at_line" >&5
+printf %s "checking for error_at_line... " >&6; }
+if test ${ac_cv_lib_error_at_line+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <error.h>
+int
+main (void)
+{
+error_at_line (0, 0, "", 0, "an error occurred");
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_error_at_line=yes
+else $as_nop
+  ac_cv_lib_error_at_line=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_error_at_line" >&5
+printf "%s\n" "$ac_cv_lib_error_at_line" >&6; }
+if test $ac_cv_lib_error_at_line = no; then
+  case " $LIBOBJS " in
+  *" error.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS error.$ac_objext"
+ ;;
+esac
+
+fi
+
+
+ac_func=
+for ac_item in $ac_func_c_list
+do
+  if test $ac_func; then
+    ac_fn_c_check_func "$LINENO" $ac_func ac_cv_func_$ac_func
+    if eval test \"x\$ac_cv_func_$ac_func\" = xyes; then
+      echo "#define $ac_item 1" >> confdefs.h
+    fi
+    ac_func=
+  else
+    ac_func=$ac_item
+  fi
+done
+
+
+
+if test "x$ac_cv_func_fork" = xyes; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5
+printf %s "checking for working fork... " >&6; }
+if test ${ac_cv_func_fork_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  ac_cv_func_fork_works=cross
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+
+	  /* By Ruediger Kuhlmann. */
+	  return fork () < 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_fork_works=yes
+else $as_nop
+  ac_cv_func_fork_works=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5
+printf "%s\n" "$ac_cv_func_fork_works" >&6; }
+
+else
+  ac_cv_func_fork_works=$ac_cv_func_fork
+fi
+if test "x$ac_cv_func_fork_works" = xcross; then
+  case $host in
+    *-*-amigaos* | *-*-msdosdjgpp*)
+      # Override, as these systems have only a dummy fork() stub
+      ac_cv_func_fork_works=no
+      ;;
+    *)
+      ac_cv_func_fork_works=yes
+      ;;
+  esac
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5
+printf "%s\n" "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;}
+fi
+ac_cv_func_vfork_works=$ac_cv_func_vfork
+if test "x$ac_cv_func_vfork" = xyes; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5
+printf %s "checking for working vfork... " >&6; }
+if test ${ac_cv_func_vfork_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  ac_cv_func_vfork_works=cross
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Thanks to Paul Eggert for this test.  */
+$ac_includes_default
+#include <signal.h>
+#include <sys/wait.h>
+#ifdef HAVE_VFORK_H
+# include <vfork.h>
+#endif
+
+static void
+do_nothing (int sig)
+{
+  (void) sig;
+}
+
+/* On some sparc systems, changes by the child to local and incoming
+   argument registers are propagated back to the parent.  The compiler
+   is told about this with #include <vfork.h>, but some compilers
+   (e.g. gcc -O) don't grok <vfork.h>.  Test for this by using a
+   static variable whose address is put into a register that is
+   clobbered by the vfork.  */
+static void
+sparc_address_test (int arg)
+{
+  static pid_t child;
+  if (!child) {
+    child = vfork ();
+    if (child < 0) {
+      perror ("vfork");
+      _exit(2);
+    }
+    if (!child) {
+      arg = getpid();
+      write(-1, "", 0);
+      _exit (arg);
+    }
+  }
+}
+
+int
+main (void)
+{
+  pid_t parent = getpid ();
+  pid_t child;
+
+  sparc_address_test (0);
+
+  /* On Solaris 2.4, changes by the child to the signal handler
+     also munge signal handlers in the parent.  To detect this,
+     start by putting the parent's handler in a known state.  */
+  signal (SIGTERM, SIG_DFL);
+
+  child = vfork ();
+
+  if (child == 0) {
+    /* Here is another test for sparc vfork register problems.  This
+       test uses lots of local variables, at least as many local
+       variables as main has allocated so far including compiler
+       temporaries.  4 locals are enough for gcc 1.40.3 on a Solaris
+       4.1.3 sparc, but we use 8 to be safe.  A buggy compiler should
+       reuse the register of parent for one of the local variables,
+       since it will think that parent can't possibly be used any more
+       in this routine.  Assigning to the local variable will thus
+       munge parent in the parent process.  */
+    pid_t
+      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
+      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
+    /* Convince the compiler that p..p7 are live; otherwise, it might
+       use the same hardware register for all 8 local variables.  */
+    if (p != p1 || p != p2 || p != p3 || p != p4
+	|| p != p5 || p != p6 || p != p7)
+      _exit(1);
+
+    /* Alter the child's signal handler.  */
+    if (signal (SIGTERM, do_nothing) != SIG_DFL)
+      _exit(1);
+
+    /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent
+       from child file descriptors.  If the child closes a descriptor
+       before it execs or exits, this munges the parent's descriptor
+       as well.  Test for this by closing stdout in the child.  */
+    _exit(close(fileno(stdout)) != 0);
+  } else {
+    int status;
+    struct stat st;
+
+    while (wait(&status) != child)
+      ;
+    return (
+	 /* Was there some problem with vforking?  */
+	 child < 0
+
+	 /* Did the child munge the parent's signal handler?  */
+	 || signal (SIGTERM, SIG_DFL) != SIG_DFL
+
+	 /* Did the child fail?  (This shouldn't happen.)  */
+	 || status
+
+	 /* Did the vfork/compiler bug occur?  */
+	 || parent != getpid()
+
+	 /* Did the file descriptor bug occur?  */
+	 || fstat(fileno(stdout), &st) != 0
+	 );
+  }
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_vfork_works=yes
+else $as_nop
+  ac_cv_func_vfork_works=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5
+printf "%s\n" "$ac_cv_func_vfork_works" >&6; }
+
+fi;
+if test "x$ac_cv_func_fork_works" = xcross; then
+  ac_cv_func_vfork_works=$ac_cv_func_vfork
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5
+printf "%s\n" "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;}
+fi
+
+if test "x$ac_cv_func_vfork_works" = xyes; then
+
+printf "%s\n" "#define HAVE_WORKING_VFORK 1" >>confdefs.h
+
+else
+
+printf "%s\n" "#define vfork fork" >>confdefs.h
+
+fi
+if test "x$ac_cv_func_fork_works" = xyes; then
+
+printf "%s\n" "#define HAVE_WORKING_FORK 1" >>confdefs.h
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking type of array argument to getgroups" >&5
+printf %s "checking type of array argument to getgroups... " >&6; }
+if test ${ac_cv_type_getgroups+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  ac_cv_type_getgroups=cross
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Thanks to Mike Rendell for this test.  */
+$ac_includes_default
+#define NGID 256
+#undef MAX
+#define MAX(x, y) ((x) > (y) ? (x) : (y))
+
+int
+main (void)
+{
+  gid_t gidset[NGID];
+  int i, n;
+  union { gid_t gval; long int lval; }  val;
+
+  val.lval = -1;
+  for (i = 0; i < NGID; i++)
+    gidset[i] = val.gval;
+  n = getgroups (sizeof (gidset) / MAX (sizeof (int), sizeof (gid_t)) - 1,
+		 gidset);
+  /* Exit non-zero if getgroups seems to require an array of ints.  This
+     happens when gid_t is short int but getgroups modifies an array
+     of ints.  */
+  return n > 0 && gidset[n] != val.gval;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_type_getgroups=gid_t
+else $as_nop
+  ac_cv_type_getgroups=int
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+if test $ac_cv_type_getgroups = cross; then
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <unistd.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "getgroups.*int.*gid_t" >/dev/null 2>&1
+then :
+  ac_cv_type_getgroups=gid_t
+else $as_nop
+  ac_cv_type_getgroups=int
+fi
+rm -rf conftest*
+
+fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_getgroups" >&5
+printf "%s\n" "$ac_cv_type_getgroups" >&6; }
+
+printf "%s\n" "#define GETGROUPS_T $ac_cv_type_getgroups" >>confdefs.h
+
+
+ac_fn_c_check_func "$LINENO" "getgroups" "ac_cv_func_getgroups"
+if test "x$ac_cv_func_getgroups" = xyes
+then :
+
+fi
+
+
+# If we don't yet have getgroups, see if it's in -lbsd.
+# This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
+ac_save_LIBS=$LIBS
+if test $ac_cv_func_getgroups = no; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgroups in -lbsd" >&5
+printf %s "checking for getgroups in -lbsd... " >&6; }
+if test ${ac_cv_lib_bsd_getgroups+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lbsd  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char getgroups ();
+int
+main (void)
+{
+return getgroups ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_bsd_getgroups=yes
+else $as_nop
+  ac_cv_lib_bsd_getgroups=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_getgroups" >&5
+printf "%s\n" "$ac_cv_lib_bsd_getgroups" >&6; }
+if test "x$ac_cv_lib_bsd_getgroups" = xyes
+then :
+  GETGROUPS_LIB=-lbsd
+fi
+
+fi
+
+# Run the program to test the functionality of the system-supplied
+# getgroups function only if there is such a function.
+if test $ac_cv_func_getgroups = yes; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working getgroups" >&5
+printf %s "checking for working getgroups... " >&6; }
+if test ${ac_cv_func_getgroups_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  case "$host_os" in # ((
+			     # Guess yes on glibc systems.
+		     *-gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
+			     # If we don't know, assume the worst.
+		     *)      ac_cv_func_getgroups_works="guessing no" ;;
+		   esac
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+/* On Ultrix 4.3, getgroups (0, 0) always fails.  */
+       return getgroups (0, 0) == -1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_getgroups_works=yes
+else $as_nop
+  ac_cv_func_getgroups_works=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getgroups_works" >&5
+printf "%s\n" "$ac_cv_func_getgroups_works" >&6; }
+else
+  ac_cv_func_getgroups_works=no
+fi
+case "$ac_cv_func_getgroups_works" in
+  *yes)
+
+printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+
+    ;;
+esac
+LIBS=$ac_save_LIBS
+
+# getmntent is in the standard C library on UNICOS, in -lsun on Irix 4,
+# -lseq on Dynix/PTX, -lgen on Unixware.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing getmntent" >&5
+printf %s "checking for library containing getmntent... " >&6; }
+if test ${ac_cv_search_getmntent+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char getmntent ();
+int
+main (void)
+{
+return getmntent ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' sun seq gen
+do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_search_getmntent=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext
+  if test ${ac_cv_search_getmntent+y}
+then :
+  break
+fi
+done
+if test ${ac_cv_search_getmntent+y}
+then :
+
+else $as_nop
+  ac_cv_search_getmntent=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_getmntent" >&5
+printf "%s\n" "$ac_cv_search_getmntent" >&6; }
+ac_res=$ac_cv_search_getmntent
+if test "$ac_res" != no
+then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  ac_cv_func_getmntent=yes
+
+printf "%s\n" "#define HAVE_GETMNTENT 1" >>confdefs.h
+
+else $as_nop
+  ac_cv_func_getmntent=no
+fi
+
+
+if test $ac_cv_c_compiler_gnu = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
+printf %s "checking whether $CC needs -traditional... " >&6; }
+if test ${ac_cv_prog_gcc_traditional+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+    ac_pattern="Autoconf.*'x'"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sgtty.h>
+Autoconf TIOCGETP
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1
+then :
+  ac_cv_prog_gcc_traditional=yes
+else $as_nop
+  ac_cv_prog_gcc_traditional=no
+fi
+rm -rf conftest*
+
+
+  if test $ac_cv_prog_gcc_traditional = no; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <termio.h>
+Autoconf TCGETA
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1
+then :
+  ac_cv_prog_gcc_traditional=yes
+fi
+rm -rf conftest*
+
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5
+printf "%s\n" "$ac_cv_prog_gcc_traditional" >&6; }
+  if test $ac_cv_prog_gcc_traditional = yes; then
+    CC="$CC -traditional"
+  fi
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether lstat correctly handles trailing slash" >&5
+printf %s "checking whether lstat correctly handles trailing slash... " >&6; }
+if test ${ac_cv_func_lstat_dereferences_slashed_symlink+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  rm -f conftest.sym conftest.file
+echo >conftest.file
+if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
+  if test "$cross_compiling" = yes
+then :
+  case "$host_os" in # ((
+			   # Guess yes on glibc systems.
+		   *-gnu*) ac_cv_func_lstat_dereferences_slashed_symlink=yes ;;
+			   # If we don't know, assume the worst.
+		   *)      ac_cv_func_lstat_dereferences_slashed_symlink=no ;;
+		 esac
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+struct stat sbuf;
+     /* Linux will dereference the symlink and fail, as required by POSIX.
+	That is better in the sense that it means we will not
+	have to compile and use the lstat wrapper.  */
+     return lstat ("conftest.sym/", &sbuf) == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_lstat_dereferences_slashed_symlink=yes
+else $as_nop
+  ac_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+else
+  # If the `ln -s' command failed, then we probably don't even
+  # have an lstat function.
+  ac_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f conftest.sym conftest.file
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_lstat_dereferences_slashed_symlink" >&5
+printf "%s\n" "$ac_cv_func_lstat_dereferences_slashed_symlink" >&6; }
+
+test $ac_cv_func_lstat_dereferences_slashed_symlink = yes &&
+
+printf "%s\n" "#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1" >>confdefs.h
+
+
+if test "x$ac_cv_func_lstat_dereferences_slashed_symlink" = xno; then
+  case " $LIBOBJS " in
+  *" lstat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS lstat.$ac_objext"
+ ;;
+esac
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether lstat accepts an empty string" >&5
+printf %s "checking whether lstat accepts an empty string... " >&6; }
+if test ${ac_cv_func_lstat_empty_string_bug+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  ac_cv_func_lstat_empty_string_bug=yes
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+struct stat sbuf;
+  return lstat ("", &sbuf) == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_lstat_empty_string_bug=no
+else $as_nop
+  ac_cv_func_lstat_empty_string_bug=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_lstat_empty_string_bug" >&5
+printf "%s\n" "$ac_cv_func_lstat_empty_string_bug" >&6; }
+if test $ac_cv_func_lstat_empty_string_bug = yes; then
+  case " $LIBOBJS " in
+  *" lstat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS lstat.$ac_objext"
+ ;;
+esac
+
+
+printf "%s\n" "#define HAVE_LSTAT_EMPTY_STRING_BUG 1" >>confdefs.h
+
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether lstat correctly handles trailing slash" >&5
+printf %s "checking whether lstat correctly handles trailing slash... " >&6; }
+if test ${ac_cv_func_lstat_dereferences_slashed_symlink+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  rm -f conftest.sym conftest.file
+echo >conftest.file
+if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
+  if test "$cross_compiling" = yes
+then :
+  case "$host_os" in # ((
+			   # Guess yes on glibc systems.
+		   *-gnu*) ac_cv_func_lstat_dereferences_slashed_symlink=yes ;;
+			   # If we don't know, assume the worst.
+		   *)      ac_cv_func_lstat_dereferences_slashed_symlink=no ;;
+		 esac
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+struct stat sbuf;
+     /* Linux will dereference the symlink and fail, as required by POSIX.
+	That is better in the sense that it means we will not
+	have to compile and use the lstat wrapper.  */
+     return lstat ("conftest.sym/", &sbuf) == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_lstat_dereferences_slashed_symlink=yes
+else $as_nop
+  ac_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+else
+  # If the `ln -s' command failed, then we probably don't even
+  # have an lstat function.
+  ac_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f conftest.sym conftest.file
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_lstat_dereferences_slashed_symlink" >&5
+printf "%s\n" "$ac_cv_func_lstat_dereferences_slashed_symlink" >&6; }
+
+test $ac_cv_func_lstat_dereferences_slashed_symlink = yes &&
+
+printf "%s\n" "#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1" >>confdefs.h
+
+
+if test "x$ac_cv_func_lstat_dereferences_slashed_symlink" = xno; then
+  case " $LIBOBJS " in
+  *" lstat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS lstat.$ac_objext"
+ ;;
+esac
+
+fi
+
+
+ac_fn_c_check_header_compile "$LINENO" "sys/mkdev.h" "ac_cv_header_sys_mkdev_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_mkdev_h" = xyes
+then :
+
+printf "%s\n" "#define MAJOR_IN_MKDEV 1" >>confdefs.h
+
+fi
+
+if test $ac_cv_header_sys_mkdev_h = no; then
+  ac_fn_c_check_header_compile "$LINENO" "sys/sysmacros.h" "ac_cv_header_sys_sysmacros_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_sysmacros_h" = xyes
+then :
+
+printf "%s\n" "#define MAJOR_IN_SYSMACROS 1" >>confdefs.h
+
+fi
+
+fi
+
+#AC_FUNC_MALLOC
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working memcmp" >&5
+printf %s "checking for working memcmp... " >&6; }
+if test ${ac_cv_func_memcmp_working+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  ac_cv_func_memcmp_working=no
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+
+  /* Some versions of memcmp are not 8-bit clean.  */
+  char c0 = '\100', c1 = '\200', c2 = '\201';
+  if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
+    return 1;
+
+  /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
+     or more and with at least one buffer not starting on a 4-byte boundary.
+     William Lewis provided this test program.   */
+  {
+    char foo[21];
+    char bar[21];
+    int i;
+    for (i = 0; i < 4; i++)
+      {
+	char *a = foo + i;
+	char *b = bar + i;
+	strcpy (a, "--------01111111");
+	strcpy (b, "--------10000000");
+	if (memcmp (a, b, 16) >= 0)
+	  return 1;
+      }
+    return 0;
+  }
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_memcmp_working=yes
+else $as_nop
+  ac_cv_func_memcmp_working=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_memcmp_working" >&5
+printf "%s\n" "$ac_cv_func_memcmp_working" >&6; }
+test $ac_cv_func_memcmp_working = no && case " $LIBOBJS " in
+  *" memcmp.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS memcmp.$ac_objext"
+ ;;
+esac
+
+
+#AC_FUNC_REALLOC
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking types of arguments for select" >&5
+printf %s "checking types of arguments for select... " >&6; }
+if test ${ac_cv_func_select_args+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_func_select_args='int,int *,struct timeval *'
+for ac_arg234 in 'fd_set *' 'int *' 'void *'; do
+ for ac_arg1 in 'int' 'size_t' 'unsigned long int' 'unsigned int'; do
+  for ac_arg5 in 'struct timeval *' 'const struct timeval *'; do
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+
+int
+main (void)
+{
+extern int select ($ac_arg1,
+					    $ac_arg234, $ac_arg234, $ac_arg234,
+					    $ac_arg5);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  done
+ done
+done
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_select_args" >&5
+printf "%s\n" "$ac_cv_func_select_args" >&6; }
+ac_save_IFS=$IFS; IFS=','
+set dummy `echo "$ac_cv_func_select_args" | sed 's/\*/\*/g'`
+IFS=$ac_save_IFS
+shift
+
+printf "%s\n" "#define SELECT_TYPE_ARG1 $1" >>confdefs.h
+
+
+printf "%s\n" "#define SELECT_TYPE_ARG234 ($2)" >>confdefs.h
+
+
+printf "%s\n" "#define SELECT_TYPE_ARG5 ($3)" >>confdefs.h
+
+rm -rf conftest*
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether stat accepts an empty string" >&5
+printf %s "checking whether stat accepts an empty string... " >&6; }
+if test ${ac_cv_func_stat_empty_string_bug+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  ac_cv_func_stat_empty_string_bug=yes
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+struct stat sbuf;
+  return stat ("", &sbuf) == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_stat_empty_string_bug=no
+else $as_nop
+  ac_cv_func_stat_empty_string_bug=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_stat_empty_string_bug" >&5
+printf "%s\n" "$ac_cv_func_stat_empty_string_bug" >&6; }
+if test $ac_cv_func_stat_empty_string_bug = yes; then
+  case " $LIBOBJS " in
+  *" stat.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS stat.$ac_objext"
+ ;;
+esac
+
+
+printf "%s\n" "#define HAVE_STAT_EMPTY_STRING_BUG 1" >>confdefs.h
+
+fi
+
+
+
+if test "x$ac_cv_func_vprintf" = xno
+then :
+  ac_fn_c_check_func "$LINENO" "_doprnt" "ac_cv_func__doprnt"
+if test "x$ac_cv_func__doprnt" = xyes
+then :
+
+printf "%s\n" "#define HAVE_DOPRNT 1" >>confdefs.h
+
+fi
+
+fi
+ac_fn_c_check_func "$LINENO" "alarm" "ac_cv_func_alarm"
+if test "x$ac_cv_func_alarm" = xyes
+then :
+  printf "%s\n" "#define HAVE_ALARM 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "atexit" "ac_cv_func_atexit"
+if test "x$ac_cv_func_atexit" = xyes
+then :
+  printf "%s\n" "#define HAVE_ATEXIT 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "dup2" "ac_cv_func_dup2"
+if test "x$ac_cv_func_dup2" = xyes
+then :
+  printf "%s\n" "#define HAVE_DUP2 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "fdatasync" "ac_cv_func_fdatasync"
+if test "x$ac_cv_func_fdatasync" = xyes
+then :
+  printf "%s\n" "#define HAVE_FDATASYNC 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "ftruncate" "ac_cv_func_ftruncate"
+if test "x$ac_cv_func_ftruncate" = xyes
+then :
+  printf "%s\n" "#define HAVE_FTRUNCATE 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
+if test "x$ac_cv_func_getcwd" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETCWD 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "gethostbyaddr" "ac_cv_func_gethostbyaddr"
+if test "x$ac_cv_func_gethostbyaddr" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETHOSTBYADDR 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
+if test "x$ac_cv_func_gethostbyname" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETHOSTBYNAME 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "gethostname" "ac_cv_func_gethostname"
+if test "x$ac_cv_func_gethostname" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETHOSTNAME 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "getmntent" "ac_cv_func_getmntent"
+if test "x$ac_cv_func_getmntent" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETMNTENT 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "getnameinfo" "ac_cv_func_getnameinfo"
+if test "x$ac_cv_func_getnameinfo" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETNAMEINFO 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "getrpcbyname" "ac_cv_func_getrpcbyname"
+if test "x$ac_cv_func_getrpcbyname" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETRPCBYNAME 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "getifaddrs" "ac_cv_func_getifaddrs"
+if test "x$ac_cv_func_getifaddrs" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETIFADDRS 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
+if test "x$ac_cv_func_gettimeofday" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETTIMEOFDAY 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "hasmntopt" "ac_cv_func_hasmntopt"
+if test "x$ac_cv_func_hasmntopt" = xyes
+then :
+  printf "%s\n" "#define HAVE_HASMNTOPT 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "inet_ntoa" "ac_cv_func_inet_ntoa"
+if test "x$ac_cv_func_inet_ntoa" = xyes
+then :
+  printf "%s\n" "#define HAVE_INET_NTOA 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "innetgr" "ac_cv_func_innetgr"
+if test "x$ac_cv_func_innetgr" = xyes
+then :
+  printf "%s\n" "#define HAVE_INNETGR 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "memset" "ac_cv_func_memset"
+if test "x$ac_cv_func_memset" = xyes
+then :
+  printf "%s\n" "#define HAVE_MEMSET 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "mkdir" "ac_cv_func_mkdir"
+if test "x$ac_cv_func_mkdir" = xyes
+then :
+  printf "%s\n" "#define HAVE_MKDIR 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "pathconf" "ac_cv_func_pathconf"
+if test "x$ac_cv_func_pathconf" = xyes
+then :
+  printf "%s\n" "#define HAVE_PATHCONF 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "ppoll" "ac_cv_func_ppoll"
+if test "x$ac_cv_func_ppoll" = xyes
+then :
+  printf "%s\n" "#define HAVE_PPOLL 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "realpath" "ac_cv_func_realpath"
+if test "x$ac_cv_func_realpath" = xyes
+then :
+  printf "%s\n" "#define HAVE_REALPATH 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "rmdir" "ac_cv_func_rmdir"
+if test "x$ac_cv_func_rmdir" = xyes
+then :
+  printf "%s\n" "#define HAVE_RMDIR 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "select" "ac_cv_func_select"
+if test "x$ac_cv_func_select" = xyes
+then :
+  printf "%s\n" "#define HAVE_SELECT 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "socket" "ac_cv_func_socket"
+if test "x$ac_cv_func_socket" = xyes
+then :
+  printf "%s\n" "#define HAVE_SOCKET 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "strcasecmp" "ac_cv_func_strcasecmp"
+if test "x$ac_cv_func_strcasecmp" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRCASECMP 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "strchr" "ac_cv_func_strchr"
+if test "x$ac_cv_func_strchr" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRCHR 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "strdup" "ac_cv_func_strdup"
+if test "x$ac_cv_func_strdup" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRDUP 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "strerror" "ac_cv_func_strerror"
+if test "x$ac_cv_func_strerror" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRERROR 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "strrchr" "ac_cv_func_strrchr"
+if test "x$ac_cv_func_strrchr" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRRCHR 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "strtol" "ac_cv_func_strtol"
+if test "x$ac_cv_func_strtol" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRTOL 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "strtoul" "ac_cv_func_strtoul"
+if test "x$ac_cv_func_strtoul" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRTOUL 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "sigprocmask" "ac_cv_func_sigprocmask"
+if test "x$ac_cv_func_sigprocmask" = xyes
+then :
+  printf "%s\n" "#define HAVE_SIGPROCMASK 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "name_to_handle_at" "ac_cv_func_name_to_handle_at"
+if test "x$ac_cv_func_name_to_handle_at" = xyes
+then :
+  printf "%s\n" "#define HAVE_NAME_TO_HANDLE_AT 1" >>confdefs.h
+
+fi
+
+
+save_CFLAGS=$CFLAGS
+save_LIBS=$LIBS
+CFLAGS="$CFLAGS $AM_CPPFLAGS"
+LIBS="$LIBS $LIBTIRPC"
+ac_fn_c_check_func "$LINENO" "getrpcbynumber" "ac_cv_func_getrpcbynumber"
+if test "x$ac_cv_func_getrpcbynumber" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETRPCBYNUMBER 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "getrpcbynumber_r" "ac_cv_func_getrpcbynumber_r"
+if test "x$ac_cv_func_getrpcbynumber_r" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETRPCBYNUMBER_R 1" >>confdefs.h
+
+fi
+
+CFLAGS=$save_CFLAGS
+LIBS=$save_LIBS
+
+if test "$ac_cv_func_getrpcbynumber_r" != "yes" -a "$ac_cv_func_getrpcbynumber" != "yes"; then
+   as_fn_error $? "Neither getrpcbynumber_r nor getrpcbynumber are available" "$LINENO" 5
+fi
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of short" >&5
+printf %s "checking size of short... " >&6; }
+if test ${ac_cv_sizeof_short+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (short))" "ac_cv_sizeof_short"        "$ac_includes_default"
+then :
+
+else $as_nop
+  if test "$ac_cv_type_short" = yes; then
+     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (short)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_short=0
+   fi
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_short" >&5
+printf "%s\n" "$ac_cv_sizeof_short" >&6; }
+
+
+
+printf "%s\n" "#define SIZEOF_SHORT $ac_cv_sizeof_short" >>confdefs.h
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
+printf %s "checking size of int... " >&6; }
+if test ${ac_cv_sizeof_int+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"
+then :
+
+else $as_nop
+  if test "$ac_cv_type_int" = yes; then
+     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (int)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_int=0
+   fi
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5
+printf "%s\n" "$ac_cv_sizeof_int" >&6; }
+
+
+
+printf "%s\n" "#define SIZEOF_INT $ac_cv_sizeof_int" >>confdefs.h
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
+printf %s "checking size of long... " >&6; }
+if test ${ac_cv_sizeof_long+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"
+then :
+
+else $as_nop
+  if test "$ac_cv_type_long" = yes; then
+     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (long)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_long=0
+   fi
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5
+printf "%s\n" "$ac_cv_sizeof_long" >&6; }
+
+
+
+printf "%s\n" "#define SIZEOF_LONG $ac_cv_sizeof_long" >>confdefs.h
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
+printf %s "checking size of size_t... " >&6; }
+if test ${ac_cv_sizeof_size_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t"        "$ac_includes_default"
+then :
+
+else $as_nop
+  if test "$ac_cv_type_size_t" = yes; then
+     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (size_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_size_t=0
+   fi
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_size_t" >&5
+printf "%s\n" "$ac_cv_sizeof_size_t" >&6; }
+
+
+
+printf "%s\n" "#define SIZEOF_SIZE_T $ac_cv_sizeof_size_t" >>confdefs.h
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of socklen_t" >&5
+printf %s "checking size of socklen_t... " >&6; }
+if test ${ac_cv_sizeof_socklen_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (socklen_t))" "ac_cv_sizeof_socklen_t"        "$ac_includes_default
+                             #ifdef HAVE_SYS_SOCKET_H
+                             # include <sys/socket.h>
+                             #endif
+"
+then :
+
+else $as_nop
+  if test "$ac_cv_type_socklen_t" = yes; then
+     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (socklen_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_socklen_t=0
+   fi
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_socklen_t" >&5
+printf "%s\n" "$ac_cv_sizeof_socklen_t" >&6; }
+
+
+
+printf "%s\n" "#define SIZEOF_SOCKLEN_T $ac_cv_sizeof_socklen_t" >>confdefs.h
+
+
+
+
+
+printf "%s\n" "#define NFS_STATEDIR \"$statedir\"" >>confdefs.h
+
+
+printf "%s\n" "#define NSM_DEFAULT_STATEDIR \"$statdpath\"" >>confdefs.h
+
+
+printf "%s\n" "#define NFS_CONFFILE \"$nfsconfig\"" >>confdefs.h
+
+
+if test "x$cross_compiling" = "xno"; then
+	CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-"$CFLAGS"}
+	CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-"$CXXFLAGS"}
+	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"}
+	LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-"$LDFLAGS"}
+else
+	CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-""}
+	CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-""}
+	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
+	LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
+fi
+
+
+
+
+
+
+
+
+
+
+
+my_am_cflags="\
+ -pipe \
+ -Wall \
+ -Wextra \
+ $rpcgen_cflags \
+ -Werror=missing-prototypes \
+ -Werror=missing-declarations \
+ -Werror=format=2 \
+ -Werror=undef \
+ -Werror=missing-include-dirs \
+ -Werror=strict-aliasing=2 \
+ -Werror=init-self \
+ -Werror=implicit-function-declaration \
+ -Werror=return-type \
+ -Werror=switch \
+ -Werror=overflow \
+ -Werror=parentheses \
+ -Werror=aggregate-return \
+ -Werror=unused-result \
+ -fno-strict-aliasing \
+"
+
+
+
+
+  my_save_cflags="$CFLAGS"
+  CFLAGS="-Werror -Werror=format-overflow=2"
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CC supports -Werror=format-overflow=2" >&5
+printf %s "checking whether CC supports -Werror=format-overflow=2... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    flg1+=-Werror=format-overflow=2
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  CFLAGS="$my_save_cflags"
+
+
+  my_save_cflags="$CFLAGS"
+  CFLAGS="-Werror -Werror=int-conversion"
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CC supports -Werror=int-conversion" >&5
+printf %s "checking whether CC supports -Werror=int-conversion... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    flg2+=-Werror=int-conversion
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  CFLAGS="$my_save_cflags"
+
+
+  my_save_cflags="$CFLAGS"
+  CFLAGS="-Werror -Werror=incompatible-pointer-types"
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CC supports -Werror=incompatible-pointer-types" >&5
+printf %s "checking whether CC supports -Werror=incompatible-pointer-types... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    flg3+=-Werror=incompatible-pointer-types
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  CFLAGS="$my_save_cflags"
+
+
+  my_save_cflags="$CFLAGS"
+  CFLAGS="-Werror -Werror=misleading-indentation"
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CC supports -Werror=misleading-indentation" >&5
+printf %s "checking whether CC supports -Werror=misleading-indentation... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    flg4+=-Werror=misleading-indentation
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  CFLAGS="$my_save_cflags"
+
+
+  my_save_cflags="$CFLAGS"
+  CFLAGS="-Werror -Wno-cast-function-type"
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CC supports -Wno-cast-function-type" >&5
+printf %s "checking whether CC supports -Wno-cast-function-type... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    flg5+=-Wno-cast-function-type
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  CFLAGS="$my_save_cflags"
+
+
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __attribute__((format))" >&5
+printf %s "checking for __attribute__((format))... " >&6; }
+if test ${ax_cv_have_func_attribute_format+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+                    int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+                                      if test -s conftest.err
+then :
+  ax_cv_have_func_attribute_format=no
+else $as_nop
+  ax_cv_have_func_attribute_format=yes
+fi
+else $as_nop
+  ax_cv_have_func_attribute_format=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_func_attribute_format" >&5
+printf "%s\n" "$ax_cv_have_func_attribute_format" >&6; }
+
+    if test yes = $ax_cv_have_func_attribute_format
+then :
+
+printf "%s\n" "#define HAVE_FUNC_ATTRIBUTE_FORMAT 1" >>confdefs.h
+
+fi
+
+
+
+
+AM_CFLAGS="$my_am_cflags $flg1 $flg2 $flg3 $flg4 $flg5"
+
+
+# Make sure that $ACLOCAL_FLAGS are used during a rebuild
+ACLOCAL_AMFLAGS="-I $ac_macro_dir \$(ACLOCAL_FLAGS)"
+
+
+# make _sysconfdir available for substitution in config files
+# 2 "evals" needed late to expand variable names.
+
+
+
+# make _statedir available for substitution in config files
+# 2 "evals" needed late to expand variable names.
+
+
+
+if test "$statedir" = "/var/lib/nfs"; then
+	rpc_pipefsmount="var-lib-nfs-rpc_pipefs.mount"
+else
+	rpc_pipefsmount="$(systemd-escape -p "$statedir/rpc_pipefs").mount"
+fi
+
+
+# make _rpc_pipefsmount available for substitution in config files
+# 2 "evals" needed late to expand variable names.
+
+
+
+ac_config_files="$ac_config_files Makefile systemd/rpc-gssd.service systemd/rpc_pipefs.target systemd/var-lib-nfs-rpc_pipefs.mount linux-nfs/Makefile support/Makefile support/export/Makefile support/include/nfs/Makefile support/include/rpcsvc/Makefile support/include/sys/fs/Makefile support/include/sys/Makefile support/include/Makefile support/junction/Makefile support/misc/Makefile support/nfs/Makefile support/nsm/Makefile support/nfsidmap/Makefile support/nfsidmap/libnfsidmap.pc support/reexport/Makefile tools/Makefile tools/locktest/Makefile tools/nlmtest/Makefile tools/rpcdebug/Makefile tools/rpcgen/Makefile tools/mountstats/Makefile tools/nfs-iostat/Makefile tools/nfsrahead/Makefile tools/rpcctl/Makefile tools/nfsdclnts/Makefile tools/nfsconf/Makefile tools/nfsdclddb/Makefile utils/Makefile utils/blkmapd/Makefile utils/nfsdcld/Makefile utils/nfsdcltrack/Makefile utils/exportfs/Makefile utils/gssd/Makefile utils/idmapd/Makefile utils/mount/Makefile utils/mountd/Makefile utils/exportd/Makefile utils/nfsd/Makefile utils/nfsref/Makefile utils/nfsstat/Makefile utils/nfsidmap/Makefile utils/showmount/Makefile utils/statd/Makefile systemd/Makefile tests/Makefile tests/nsm_client/Makefile"
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems.  If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+
+  (set) 2>&1 |
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
+      sed -n \
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+      ;; #(
+    *)
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+) |
+  sed '
+     /^ac_cv_env_/b end
+     t clear
+     :clear
+     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/
+     t end
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    if test "x$cache_file" != "x/dev/null"; then
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
+  else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
+  fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+U=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+  # 1. Remove the extension, and $U if already installed.
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
+printf %s "checking that generated files are newer than configure... " >&6; }
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5
+printf "%s\n" "done" >&6; }
+ if test -n "$EXEEXT"; then
+  am__EXEEXT_TRUE=
+  am__EXEEXT_FALSE='#'
+else
+  am__EXEEXT_TRUE='#'
+  am__EXEEXT_FALSE=
+fi
+
+if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
+  as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
+  as_fn_error $? "conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${INSTALL_SYSTEMD_TRUE}" && test -z "${INSTALL_SYSTEMD_FALSE}"; then
+  as_fn_error $? "conditional \"INSTALL_SYSTEMD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_NFSV4_TRUE}" && test -z "${CONFIG_NFSV4_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_NFSV4\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_NFSV41_TRUE}" && test -z "${CONFIG_NFSV41_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_NFSV41\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_GSS_TRUE}" && test -z "${CONFIG_GSS_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_GSS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_SVCGSS_TRUE}" && test -z "${CONFIG_SVCGSS_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_SVCGSS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_RPCGEN_TRUE}" && test -z "${CONFIG_RPCGEN_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_RPCGEN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_MOUNT_TRUE}" && test -z "${CONFIG_MOUNT_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_MOUNT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_SBIN_OVERRIDE_TRUE}" && test -z "${CONFIG_SBIN_OVERRIDE_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_SBIN_OVERRIDE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_JUNCTION_TRUE}" && test -z "${CONFIG_JUNCTION_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_JUNCTION\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_IPV6_TRUE}" && test -z "${CONFIG_IPV6_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_IPV6\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MOUNT_CONFIG_TRUE}" && test -z "${MOUNT_CONFIG_FALSE}"; then
+  as_fn_error $? "conditional \"MOUNT_CONFIG\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MOUNT_CONFIG_TRUE}" && test -z "${MOUNT_CONFIG_FALSE}"; then
+  as_fn_error $? "conditional \"MOUNT_CONFIG\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_NFSRAHEAD_TRUE}" && test -z "${CONFIG_NFSRAHEAD_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_NFSRAHEAD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_NFSV4SERVER_TRUE}" && test -z "${CONFIG_NFSV4SERVER_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_NFSV4SERVER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then
+  as_fn_error $? "conditional \"am__fastdepCXX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_NFSDCLD_TRUE}" && test -z "${CONFIG_NFSDCLD_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_NFSDCLD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_NFSDCLTRACK_TRUE}" && test -z "${CONFIG_NFSDCLTRACK_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_NFSDCLTRACK\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${CONFIG_LIBMOUNT_TRUE}" && test -z "${CONFIG_LIBMOUNT_FALSE}"; then
+  as_fn_error $? "conditional \"CONFIG_LIBMOUNT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${ENABLE_LDAP_TRUE}" && test -z "${ENABLE_LDAP_FALSE}"; then
+  as_fn_error $? "conditional \"ENABLE_LDAP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${ENABLE_LDAP_SASL_TRUE}" && test -z "${ENABLE_LDAP_SASL_FALSE}"; then
+  as_fn_error $? "conditional \"ENABLE_LDAP_SASL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${ENABLE_GUMS_TRUE}" && test -z "${ENABLE_GUMS_FALSE}"; then
+  as_fn_error $? "conditional \"ENABLE_GUMS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${PATH_PLUGINS_TRUE}" && test -z "${PATH_PLUGINS_FALSE}"; then
+  as_fn_error $? "conditional \"PATH_PLUGINS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+eval eval _sysconfdir=$sysconfdir
+eval eval _statedir=$statedir
+eval eval _rpc_pipefsmount=$rpc_pipefsmount
+
+: "${CONFIG_STATUS=./config.status}"
+ac_write_fail=0
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+as_nop=:
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else $as_nop
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
+as_nl='
+'
+export as_nl
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+
+# The user is always right.
+if ${PATH_SEPARATOR+false} :; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  printf "%s\n" "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else $as_nop
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else $as_nop
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by linux nfs-utils $as_me 2.6.4, which was
+generated by GNU Autoconf 2.71.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
+
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
+
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_commands="$ac_config_commands"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ac_cs_usage="\
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
+
+Usage: $0 [OPTION]... [TAG]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+      --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration commands:
+$config_commands
+
+Report bugs to <linux-nfs@vger.kernel.org>."
+
+_ACEOF
+ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
+ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config='$ac_cs_config_escaped'
+ac_cs_version="\\
+linux nfs-utils config.status 2.6.4
+configured by $0, generated by GNU Autoconf 2.71,
+  with options \\"\$ac_cs_config\\"
+
+Copyright (C) 2021 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+MKDIR_P='$MKDIR_P'
+AWK='$AWK'
+test -n "\$AWK" || AWK=awk
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=?*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    printf "%s\n" "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    printf "%s\n" "$ac_cs_config"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
+    esac
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+    ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+  --help | --hel | -h )
+    printf "%s\n" "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
+
+  *) as_fn_append ac_config_targets " $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+if \$ac_cs_recheck; then
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  printf "%s\n" "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"
+
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`'
+macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`'
+enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`'
+enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`'
+pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`'
+enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`'
+shared_archive_member_spec='`$ECHO "$shared_archive_member_spec" | $SED "$delay_single_quote_subst"`'
+SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`'
+ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`'
+PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`'
+host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`'
+host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`'
+host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`'
+build_alias='`$ECHO "$build_alias" | $SED "$delay_single_quote_subst"`'
+build='`$ECHO "$build" | $SED "$delay_single_quote_subst"`'
+build_os='`$ECHO "$build_os" | $SED "$delay_single_quote_subst"`'
+SED='`$ECHO "$SED" | $SED "$delay_single_quote_subst"`'
+Xsed='`$ECHO "$Xsed" | $SED "$delay_single_quote_subst"`'
+GREP='`$ECHO "$GREP" | $SED "$delay_single_quote_subst"`'
+EGREP='`$ECHO "$EGREP" | $SED "$delay_single_quote_subst"`'
+FGREP='`$ECHO "$FGREP" | $SED "$delay_single_quote_subst"`'
+LD='`$ECHO "$LD" | $SED "$delay_single_quote_subst"`'
+NM='`$ECHO "$NM" | $SED "$delay_single_quote_subst"`'
+LN_S='`$ECHO "$LN_S" | $SED "$delay_single_quote_subst"`'
+max_cmd_len='`$ECHO "$max_cmd_len" | $SED "$delay_single_quote_subst"`'
+ac_objext='`$ECHO "$ac_objext" | $SED "$delay_single_quote_subst"`'
+exeext='`$ECHO "$exeext" | $SED "$delay_single_quote_subst"`'
+lt_unset='`$ECHO "$lt_unset" | $SED "$delay_single_quote_subst"`'
+lt_SP2NL='`$ECHO "$lt_SP2NL" | $SED "$delay_single_quote_subst"`'
+lt_NL2SP='`$ECHO "$lt_NL2SP" | $SED "$delay_single_quote_subst"`'
+lt_cv_to_host_file_cmd='`$ECHO "$lt_cv_to_host_file_cmd" | $SED "$delay_single_quote_subst"`'
+lt_cv_to_tool_file_cmd='`$ECHO "$lt_cv_to_tool_file_cmd" | $SED "$delay_single_quote_subst"`'
+reload_flag='`$ECHO "$reload_flag" | $SED "$delay_single_quote_subst"`'
+reload_cmds='`$ECHO "$reload_cmds" | $SED "$delay_single_quote_subst"`'
+FILECMD='`$ECHO "$FILECMD" | $SED "$delay_single_quote_subst"`'
+OBJDUMP='`$ECHO "$OBJDUMP" | $SED "$delay_single_quote_subst"`'
+deplibs_check_method='`$ECHO "$deplibs_check_method" | $SED "$delay_single_quote_subst"`'
+file_magic_cmd='`$ECHO "$file_magic_cmd" | $SED "$delay_single_quote_subst"`'
+file_magic_glob='`$ECHO "$file_magic_glob" | $SED "$delay_single_quote_subst"`'
+want_nocaseglob='`$ECHO "$want_nocaseglob" | $SED "$delay_single_quote_subst"`'
+DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`'
+sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`'
+AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`'
+lt_ar_flags='`$ECHO "$lt_ar_flags" | $SED "$delay_single_quote_subst"`'
+AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`'
+archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`'
+STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`'
+RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`'
+old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`'
+old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`'
+old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`'
+lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`'
+CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`'
+CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`'
+compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`'
+GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_import='`$ECHO "$lt_cv_sys_global_symbol_to_import" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`'
+lt_cv_nm_interface='`$ECHO "$lt_cv_nm_interface" | $SED "$delay_single_quote_subst"`'
+nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`'
+lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`'
+lt_cv_truncate_bin='`$ECHO "$lt_cv_truncate_bin" | $SED "$delay_single_quote_subst"`'
+objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`'
+MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`'
+lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`'
+need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`'
+MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`'
+DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`'
+NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`'
+LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`'
+OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`'
+OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`'
+libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`'
+shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`'
+extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`'
+archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`'
+enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`'
+export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`'
+whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`'
+compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`'
+old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`'
+old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`'
+archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`'
+archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`'
+module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`'
+module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`'
+with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`'
+allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`'
+no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`'
+hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`'
+hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`'
+hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`'
+hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`'
+hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`'
+inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`'
+link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`'
+always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`'
+export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`'
+exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`'
+include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`'
+prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`'
+postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`'
+file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`'
+variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`'
+need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`'
+need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`'
+version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`'
+runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`'
+shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`'
+shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`'
+libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`'
+library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`'
+soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`'
+install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`'
+postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`'
+postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`'
+finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`'
+finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`'
+hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`'
+sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`'
+configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`'
+configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`'
+hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`'
+enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`'
+enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`'
+enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`'
+old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`'
+striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`'
+compiler_lib_search_dirs='`$ECHO "$compiler_lib_search_dirs" | $SED "$delay_single_quote_subst"`'
+predep_objects='`$ECHO "$predep_objects" | $SED "$delay_single_quote_subst"`'
+postdep_objects='`$ECHO "$postdep_objects" | $SED "$delay_single_quote_subst"`'
+predeps='`$ECHO "$predeps" | $SED "$delay_single_quote_subst"`'
+postdeps='`$ECHO "$postdeps" | $SED "$delay_single_quote_subst"`'
+compiler_lib_search_path='`$ECHO "$compiler_lib_search_path" | $SED "$delay_single_quote_subst"`'
+LD_CXX='`$ECHO "$LD_CXX" | $SED "$delay_single_quote_subst"`'
+reload_flag_CXX='`$ECHO "$reload_flag_CXX" | $SED "$delay_single_quote_subst"`'
+reload_cmds_CXX='`$ECHO "$reload_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+old_archive_cmds_CXX='`$ECHO "$old_archive_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+compiler_CXX='`$ECHO "$compiler_CXX" | $SED "$delay_single_quote_subst"`'
+GCC_CXX='`$ECHO "$GCC_CXX" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_no_builtin_flag_CXX='`$ECHO "$lt_prog_compiler_no_builtin_flag_CXX" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_pic_CXX='`$ECHO "$lt_prog_compiler_pic_CXX" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_wl_CXX='`$ECHO "$lt_prog_compiler_wl_CXX" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_static_CXX='`$ECHO "$lt_prog_compiler_static_CXX" | $SED "$delay_single_quote_subst"`'
+lt_cv_prog_compiler_c_o_CXX='`$ECHO "$lt_cv_prog_compiler_c_o_CXX" | $SED "$delay_single_quote_subst"`'
+archive_cmds_need_lc_CXX='`$ECHO "$archive_cmds_need_lc_CXX" | $SED "$delay_single_quote_subst"`'
+enable_shared_with_static_runtimes_CXX='`$ECHO "$enable_shared_with_static_runtimes_CXX" | $SED "$delay_single_quote_subst"`'
+export_dynamic_flag_spec_CXX='`$ECHO "$export_dynamic_flag_spec_CXX" | $SED "$delay_single_quote_subst"`'
+whole_archive_flag_spec_CXX='`$ECHO "$whole_archive_flag_spec_CXX" | $SED "$delay_single_quote_subst"`'
+compiler_needs_object_CXX='`$ECHO "$compiler_needs_object_CXX" | $SED "$delay_single_quote_subst"`'
+old_archive_from_new_cmds_CXX='`$ECHO "$old_archive_from_new_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+old_archive_from_expsyms_cmds_CXX='`$ECHO "$old_archive_from_expsyms_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+archive_cmds_CXX='`$ECHO "$archive_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+archive_expsym_cmds_CXX='`$ECHO "$archive_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+module_cmds_CXX='`$ECHO "$module_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+module_expsym_cmds_CXX='`$ECHO "$module_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+with_gnu_ld_CXX='`$ECHO "$with_gnu_ld_CXX" | $SED "$delay_single_quote_subst"`'
+allow_undefined_flag_CXX='`$ECHO "$allow_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`'
+no_undefined_flag_CXX='`$ECHO "$no_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec_CXX='`$ECHO "$hardcode_libdir_flag_spec_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_separator_CXX='`$ECHO "$hardcode_libdir_separator_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_direct_CXX='`$ECHO "$hardcode_direct_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_direct_absolute_CXX='`$ECHO "$hardcode_direct_absolute_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_minus_L_CXX='`$ECHO "$hardcode_minus_L_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_shlibpath_var_CXX='`$ECHO "$hardcode_shlibpath_var_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_automatic_CXX='`$ECHO "$hardcode_automatic_CXX" | $SED "$delay_single_quote_subst"`'
+inherit_rpath_CXX='`$ECHO "$inherit_rpath_CXX" | $SED "$delay_single_quote_subst"`'
+link_all_deplibs_CXX='`$ECHO "$link_all_deplibs_CXX" | $SED "$delay_single_quote_subst"`'
+always_export_symbols_CXX='`$ECHO "$always_export_symbols_CXX" | $SED "$delay_single_quote_subst"`'
+export_symbols_cmds_CXX='`$ECHO "$export_symbols_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+exclude_expsyms_CXX='`$ECHO "$exclude_expsyms_CXX" | $SED "$delay_single_quote_subst"`'
+include_expsyms_CXX='`$ECHO "$include_expsyms_CXX" | $SED "$delay_single_quote_subst"`'
+prelink_cmds_CXX='`$ECHO "$prelink_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+postlink_cmds_CXX='`$ECHO "$postlink_cmds_CXX" | $SED "$delay_single_quote_subst"`'
+file_list_spec_CXX='`$ECHO "$file_list_spec_CXX" | $SED "$delay_single_quote_subst"`'
+hardcode_action_CXX='`$ECHO "$hardcode_action_CXX" | $SED "$delay_single_quote_subst"`'
+compiler_lib_search_dirs_CXX='`$ECHO "$compiler_lib_search_dirs_CXX" | $SED "$delay_single_quote_subst"`'
+predep_objects_CXX='`$ECHO "$predep_objects_CXX" | $SED "$delay_single_quote_subst"`'
+postdep_objects_CXX='`$ECHO "$postdep_objects_CXX" | $SED "$delay_single_quote_subst"`'
+predeps_CXX='`$ECHO "$predeps_CXX" | $SED "$delay_single_quote_subst"`'
+postdeps_CXX='`$ECHO "$postdeps_CXX" | $SED "$delay_single_quote_subst"`'
+compiler_lib_search_path_CXX='`$ECHO "$compiler_lib_search_path_CXX" | $SED "$delay_single_quote_subst"`'
+
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in SHELL \
+ECHO \
+PATH_SEPARATOR \
+SED \
+GREP \
+EGREP \
+FGREP \
+LD \
+NM \
+LN_S \
+lt_SP2NL \
+lt_NL2SP \
+reload_flag \
+FILECMD \
+OBJDUMP \
+deplibs_check_method \
+file_magic_cmd \
+file_magic_glob \
+want_nocaseglob \
+DLLTOOL \
+sharedlib_from_linklib_cmd \
+AR \
+archiver_list_spec \
+STRIP \
+RANLIB \
+CC \
+CFLAGS \
+compiler \
+lt_cv_sys_global_symbol_pipe \
+lt_cv_sys_global_symbol_to_cdecl \
+lt_cv_sys_global_symbol_to_import \
+lt_cv_sys_global_symbol_to_c_name_address \
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
+lt_cv_nm_interface \
+nm_file_list_spec \
+lt_cv_truncate_bin \
+lt_prog_compiler_no_builtin_flag \
+lt_prog_compiler_pic \
+lt_prog_compiler_wl \
+lt_prog_compiler_static \
+lt_cv_prog_compiler_c_o \
+need_locks \
+MANIFEST_TOOL \
+DSYMUTIL \
+NMEDIT \
+LIPO \
+OTOOL \
+OTOOL64 \
+shrext_cmds \
+export_dynamic_flag_spec \
+whole_archive_flag_spec \
+compiler_needs_object \
+with_gnu_ld \
+allow_undefined_flag \
+no_undefined_flag \
+hardcode_libdir_flag_spec \
+hardcode_libdir_separator \
+exclude_expsyms \
+include_expsyms \
+file_list_spec \
+variables_saved_for_relink \
+libname_spec \
+library_names_spec \
+soname_spec \
+install_override_mode \
+finish_eval \
+old_striplib \
+striplib \
+compiler_lib_search_dirs \
+predep_objects \
+postdep_objects \
+predeps \
+postdeps \
+compiler_lib_search_path \
+LD_CXX \
+reload_flag_CXX \
+compiler_CXX \
+lt_prog_compiler_no_builtin_flag_CXX \
+lt_prog_compiler_pic_CXX \
+lt_prog_compiler_wl_CXX \
+lt_prog_compiler_static_CXX \
+lt_cv_prog_compiler_c_o_CXX \
+export_dynamic_flag_spec_CXX \
+whole_archive_flag_spec_CXX \
+compiler_needs_object_CXX \
+with_gnu_ld_CXX \
+allow_undefined_flag_CXX \
+no_undefined_flag_CXX \
+hardcode_libdir_flag_spec_CXX \
+hardcode_libdir_separator_CXX \
+exclude_expsyms_CXX \
+include_expsyms_CXX \
+file_list_spec_CXX \
+compiler_lib_search_dirs_CXX \
+predep_objects_CXX \
+postdep_objects_CXX \
+predeps_CXX \
+postdeps_CXX \
+compiler_lib_search_path_CXX; do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[\\\\\\\`\\"\\\$]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in reload_cmds \
+old_postinstall_cmds \
+old_postuninstall_cmds \
+old_archive_cmds \
+extract_expsyms_cmds \
+old_archive_from_new_cmds \
+old_archive_from_expsyms_cmds \
+archive_cmds \
+archive_expsym_cmds \
+module_cmds \
+module_expsym_cmds \
+export_symbols_cmds \
+prelink_cmds \
+postlink_cmds \
+postinstall_cmds \
+postuninstall_cmds \
+finish_cmds \
+sys_lib_search_path_spec \
+configure_time_dlsearch_path \
+configure_time_lt_sys_library_path \
+reload_cmds_CXX \
+old_archive_cmds_CXX \
+old_archive_from_new_cmds_CXX \
+old_archive_from_expsyms_cmds_CXX \
+archive_cmds_CXX \
+archive_expsym_cmds_CXX \
+module_cmds_CXX \
+module_expsym_cmds_CXX \
+export_symbols_cmds_CXX \
+prelink_cmds_CXX \
+postlink_cmds_CXX; do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[\\\\\\\`\\"\\\$]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+ac_aux_dir='$ac_aux_dir'
+
+# See if we are running on zsh, and set the options that allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+
+
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    RM='$RM'
+    ofile='$ofile'
+
+
+
+
+
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+    "support/include/config.h") CONFIG_HEADERS="$CONFIG_HEADERS support/include/config.h" ;;
+    "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "systemd/rpc-gssd.service") CONFIG_FILES="$CONFIG_FILES systemd/rpc-gssd.service" ;;
+    "systemd/rpc_pipefs.target") CONFIG_FILES="$CONFIG_FILES systemd/rpc_pipefs.target" ;;
+    "systemd/var-lib-nfs-rpc_pipefs.mount") CONFIG_FILES="$CONFIG_FILES systemd/var-lib-nfs-rpc_pipefs.mount" ;;
+    "linux-nfs/Makefile") CONFIG_FILES="$CONFIG_FILES linux-nfs/Makefile" ;;
+    "support/Makefile") CONFIG_FILES="$CONFIG_FILES support/Makefile" ;;
+    "support/export/Makefile") CONFIG_FILES="$CONFIG_FILES support/export/Makefile" ;;
+    "support/include/nfs/Makefile") CONFIG_FILES="$CONFIG_FILES support/include/nfs/Makefile" ;;
+    "support/include/rpcsvc/Makefile") CONFIG_FILES="$CONFIG_FILES support/include/rpcsvc/Makefile" ;;
+    "support/include/sys/fs/Makefile") CONFIG_FILES="$CONFIG_FILES support/include/sys/fs/Makefile" ;;
+    "support/include/sys/Makefile") CONFIG_FILES="$CONFIG_FILES support/include/sys/Makefile" ;;
+    "support/include/Makefile") CONFIG_FILES="$CONFIG_FILES support/include/Makefile" ;;
+    "support/junction/Makefile") CONFIG_FILES="$CONFIG_FILES support/junction/Makefile" ;;
+    "support/misc/Makefile") CONFIG_FILES="$CONFIG_FILES support/misc/Makefile" ;;
+    "support/nfs/Makefile") CONFIG_FILES="$CONFIG_FILES support/nfs/Makefile" ;;
+    "support/nsm/Makefile") CONFIG_FILES="$CONFIG_FILES support/nsm/Makefile" ;;
+    "support/nfsidmap/Makefile") CONFIG_FILES="$CONFIG_FILES support/nfsidmap/Makefile" ;;
+    "support/nfsidmap/libnfsidmap.pc") CONFIG_FILES="$CONFIG_FILES support/nfsidmap/libnfsidmap.pc" ;;
+    "support/reexport/Makefile") CONFIG_FILES="$CONFIG_FILES support/reexport/Makefile" ;;
+    "tools/Makefile") CONFIG_FILES="$CONFIG_FILES tools/Makefile" ;;
+    "tools/locktest/Makefile") CONFIG_FILES="$CONFIG_FILES tools/locktest/Makefile" ;;
+    "tools/nlmtest/Makefile") CONFIG_FILES="$CONFIG_FILES tools/nlmtest/Makefile" ;;
+    "tools/rpcdebug/Makefile") CONFIG_FILES="$CONFIG_FILES tools/rpcdebug/Makefile" ;;
+    "tools/rpcgen/Makefile") CONFIG_FILES="$CONFIG_FILES tools/rpcgen/Makefile" ;;
+    "tools/mountstats/Makefile") CONFIG_FILES="$CONFIG_FILES tools/mountstats/Makefile" ;;
+    "tools/nfs-iostat/Makefile") CONFIG_FILES="$CONFIG_FILES tools/nfs-iostat/Makefile" ;;
+    "tools/nfsrahead/Makefile") CONFIG_FILES="$CONFIG_FILES tools/nfsrahead/Makefile" ;;
+    "tools/rpcctl/Makefile") CONFIG_FILES="$CONFIG_FILES tools/rpcctl/Makefile" ;;
+    "tools/nfsdclnts/Makefile") CONFIG_FILES="$CONFIG_FILES tools/nfsdclnts/Makefile" ;;
+    "tools/nfsconf/Makefile") CONFIG_FILES="$CONFIG_FILES tools/nfsconf/Makefile" ;;
+    "tools/nfsdclddb/Makefile") CONFIG_FILES="$CONFIG_FILES tools/nfsdclddb/Makefile" ;;
+    "utils/Makefile") CONFIG_FILES="$CONFIG_FILES utils/Makefile" ;;
+    "utils/blkmapd/Makefile") CONFIG_FILES="$CONFIG_FILES utils/blkmapd/Makefile" ;;
+    "utils/nfsdcld/Makefile") CONFIG_FILES="$CONFIG_FILES utils/nfsdcld/Makefile" ;;
+    "utils/nfsdcltrack/Makefile") CONFIG_FILES="$CONFIG_FILES utils/nfsdcltrack/Makefile" ;;
+    "utils/exportfs/Makefile") CONFIG_FILES="$CONFIG_FILES utils/exportfs/Makefile" ;;
+    "utils/gssd/Makefile") CONFIG_FILES="$CONFIG_FILES utils/gssd/Makefile" ;;
+    "utils/idmapd/Makefile") CONFIG_FILES="$CONFIG_FILES utils/idmapd/Makefile" ;;
+    "utils/mount/Makefile") CONFIG_FILES="$CONFIG_FILES utils/mount/Makefile" ;;
+    "utils/mountd/Makefile") CONFIG_FILES="$CONFIG_FILES utils/mountd/Makefile" ;;
+    "utils/exportd/Makefile") CONFIG_FILES="$CONFIG_FILES utils/exportd/Makefile" ;;
+    "utils/nfsd/Makefile") CONFIG_FILES="$CONFIG_FILES utils/nfsd/Makefile" ;;
+    "utils/nfsref/Makefile") CONFIG_FILES="$CONFIG_FILES utils/nfsref/Makefile" ;;
+    "utils/nfsstat/Makefile") CONFIG_FILES="$CONFIG_FILES utils/nfsstat/Makefile" ;;
+    "utils/nfsidmap/Makefile") CONFIG_FILES="$CONFIG_FILES utils/nfsidmap/Makefile" ;;
+    "utils/showmount/Makefile") CONFIG_FILES="$CONFIG_FILES utils/showmount/Makefile" ;;
+    "utils/statd/Makefile") CONFIG_FILES="$CONFIG_FILES utils/statd/Makefile" ;;
+    "systemd/Makefile") CONFIG_FILES="$CONFIG_FILES systemd/Makefile" ;;
+    "tests/Makefile") CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;;
+    "tests/nsm_client/Makefile") CONFIG_FILES="$CONFIG_FILES tests/nsm_client/Makefile" ;;
+
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
+  test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers
+  test ${CONFIG_COMMANDS+y} || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience.  Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+  tmp= ac_tmp=
+  trap 'exit_status=$?
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+' 0
+  trap 'as_fn_exit 1' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  test -d "$tmp"
+}  ||
+{
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+_ACEOF
+
+
+{
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  . ./conf$$subs.sh ||
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
+    break
+  elif $ac_last_try; then
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\)..*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\)..*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+_ACEOF
+
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
+s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
+s/^[^=]*=[	 ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
+
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
+    break
+  elif $ac_last_try; then
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any.  Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+  line = \$ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$ac_tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+      esac
+      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      as_fn_append ac_file_inputs " '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+printf "%s\n" "$as_me: creating $ac_file" >&6;}
+    fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    esac
+    ;;
+  esac
+
+  ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  as_dir="$ac_dir"; as_fn_mkdir_p
+  ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
+
+  case $INSTALL in
+  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+  esac
+  ac_MKDIR_P=$MKDIR_P
+  case $MKDIR_P in
+  [\\/$]* | ?:[\\/]* ) ;;
+  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+  esac
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  ac_datarootdir_hack='
+  s&@datadir@&$datadir&g
+  s&@docdir@&$docdir&g
+  s&@infodir@&$infodir&g
+  s&@localedir@&$localedir&g
+  s&@mandir@&$mandir&g
+  s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
+_ACEOF
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&5
+printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&2;}
+
+  rm -f "$ac_tmp/stdin"
+  case $ac_file in
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+  esac \
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
+  if test x"$ac_file" != x-; then
+    {
+      printf "%s\n" "/* $configure_input  */" >&1 \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+printf "%s\n" "$as_me: $ac_file is unchanged" >&6;}
+    else
+      rm -f "$ac_file"
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    fi
+  else
+    printf "%s\n" "/* $configure_input  */" >&1 \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
+  fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$_am_arg" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+
+  :C)  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+printf "%s\n" "$as_me: executing $ac_file commands" >&6;}
+ ;;
+  esac
+
+
+  case $ac_file$ac_mode in
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
+  # Older Autoconf quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  # TODO: see whether this extra hack can be removed once we start
+  # requiring Autoconf 2.70 or later.
+  case $CONFIG_FILES in #(
+  *\'*) :
+    eval set x "$CONFIG_FILES" ;; #(
+  *) :
+    set x $CONFIG_FILES ;; #(
+  *) :
+     ;;
+esac
+  shift
+  # Used to flag and report bootstrapping failures.
+  am_rc=0
+  for am_mf
+  do
+    # Strip MF so we end up with the name of the file.
+    am_mf=`printf "%s\n" "$am_mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile which includes
+    # dependency-tracking related rules and includes.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
+      || continue
+    am_dirpart=`$as_dirname -- "$am_mf" ||
+$as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$am_mf" : 'X\(//\)[^/]' \| \
+	 X"$am_mf" : 'X\(//\)$' \| \
+	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$am_mf" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    am_filepart=`$as_basename -- "$am_mf" ||
+$as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$am_mf" : 'X\(//\)$' \| \
+	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X/"$am_mf" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    { echo "$as_me:$LINENO: cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles" >&5
+   (cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } || am_rc=$?
+  done
+  if test $am_rc -ne 0; then
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "Something went wrong bootstrapping makefile fragments
+    for automatic dependency tracking.  If GNU make was not used, consider
+    re-running the configure script with MAKE=\"gmake\" (or whatever is
+    necessary).  You can also try re-running configure with the
+    '--disable-dependency-tracking' option to at least be able to build
+    the package (albeit without support for automatic dependency tracking).
+See \`config.log' for more details" "$LINENO" 5; }
+  fi
+  { am_dirpart=; unset am_dirpart;}
+  { am_filepart=; unset am_filepart;}
+  { am_mf=; unset am_mf;}
+  { am_rc=; unset am_rc;}
+  rm -f conftest-deps.mk
+}
+ ;;
+    "libtool":C)
+
+    # See if we are running on zsh, and set the options that allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}"; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile=${ofile}T
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+# Generated automatically by $as_me ($PACKAGE) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit, 1996
+
+# Copyright (C) 2014 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program or library that is built
+# using GNU Libtool, you may include this file under the  same
+# distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# The names of the tagged configurations supported by this script.
+available_tags='CXX '
+
+# Configured defaults for sys_lib_dlsearch_path munging.
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Which release of libtool.m4 was used?
+macro_version=$macro_version
+macro_revision=$macro_revision
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# What type of objects to build.
+pic_mode=$pic_mode
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# Shared archive member basename,for filename based shared library versioning on AIX.
+shared_archive_member_spec=$shared_archive_member_spec
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# An echo program that protects backslashes.
+ECHO=$lt_ECHO
+
+# The PATH separator for the build system.
+PATH_SEPARATOR=$lt_PATH_SEPARATOR
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="\$SED -e 1s/^X//"
+
+# A grep program that handles long lines.
+GREP=$lt_GREP
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# A literal string matcher.
+FGREP=$lt_FGREP
+
+# A BSD- or MS-compatible name lister.
+NM=$lt_NM
+
+# Whether we need soft or hard links.
+LN_S=$lt_LN_S
+
+# What is the maximum length of a command?
+max_cmd_len=$max_cmd_len
+
+# Object file suffix (normally "o").
+objext=$ac_objext
+
+# Executable file suffix (normally "").
+exeext=$exeext
+
+# whether the shell understands "unset".
+lt_unset=$lt_unset
+
+# turn spaces into newlines.
+SP2NL=$lt_lt_SP2NL
+
+# turn newlines into spaces.
+NL2SP=$lt_lt_NL2SP
+
+# convert \$build file names to \$host format.
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+
+# convert \$build files to toolchain format.
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+
+# A file(cmd) program that detects file types.
+FILECMD=$lt_FILECMD
+
+# An object symbol dumper.
+OBJDUMP=$lt_OBJDUMP
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method = "file_magic".
+file_magic_cmd=$lt_file_magic_cmd
+
+# How to find potential files when deplibs_check_method = "file_magic".
+file_magic_glob=$lt_file_magic_glob
+
+# Find potential files using nocaseglob when deplibs_check_method = "file_magic".
+want_nocaseglob=$lt_want_nocaseglob
+
+# DLL creation program.
+DLLTOOL=$lt_DLLTOOL
+
+# Command to associate shared and link libraries.
+sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd
+
+# The archiver.
+AR=$lt_AR
+
+# Flags to create an archive (by configure).
+lt_ar_flags=$lt_ar_flags
+
+# Flags to create an archive.
+AR_FLAGS=\${ARFLAGS-"\$lt_ar_flags"}
+
+# How to feed a file listing to the archiver.
+archiver_list_spec=$lt_archiver_list_spec
+
+# A symbol stripping program.
+STRIP=$lt_STRIP
+
+# Commands used to install an old-style archive.
+RANLIB=$lt_RANLIB
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Whether to use a lock for old archive extraction.
+lock_old_archive_extraction=$lock_old_archive_extraction
+
+# A C compiler.
+LTCC=$lt_CC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_CFLAGS
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration.
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm into a list of symbols to manually relocate.
+global_symbol_to_import=$lt_lt_cv_sys_global_symbol_to_import
+
+# Transform the output of nm in a C name address pair.
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# Transform the output of nm in a C name address pair when lib prefix is needed.
+global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix
+
+# The name lister interface.
+nm_interface=$lt_lt_cv_nm_interface
+
+# Specify filename containing input files for \$NM.
+nm_file_list_spec=$lt_nm_file_list_spec
+
+# The root where to search for dependent libraries,and where our libraries should be installed.
+lt_sysroot=$lt_sysroot
+
+# Command to truncate a binary pipe.
+lt_truncate_bin=$lt_lt_cv_truncate_bin
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# Used to examine libraries when file_magic_cmd begins with "file".
+MAGIC_CMD=$MAGIC_CMD
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Manifest tool.
+MANIFEST_TOOL=$lt_MANIFEST_TOOL
+
+# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
+DSYMUTIL=$lt_DSYMUTIL
+
+# Tool to change global to local symbols on Mac OS X.
+NMEDIT=$lt_NMEDIT
+
+# Tool to manipulate fat objects and archives on Mac OS X.
+LIPO=$lt_LIPO
+
+# ldd/readelf like tool for Mach-O binaries on Mac OS X.
+OTOOL=$lt_OTOOL
+
+# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
+OTOOL64=$lt_OTOOL64
+
+# Old archive suffix (normally "a").
+libext=$libext
+
+# Shared library suffix (normally ".so").
+shrext_cmds=$lt_shrext_cmds
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at link time.
+variables_saved_for_relink=$lt_variables_saved_for_relink
+
+# Do we need the "lib" prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Library versioning type.
+version_type=$version_type
+
+# Shared library runtime path variable.
+runpath_var=$runpath_var
+
+# Shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names.  First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Permission mode override for installation of shared libraries.
+install_override_mode=$lt_install_override_mode
+
+# Command to use after installation of a shared archive.
+postinstall_cmds=$lt_postinstall_cmds
+
+# Command to use after uninstallation of a shared archive.
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# As "finish_cmds", except a single script fragment to be evaled but
+# not shown.
+finish_eval=$lt_finish_eval
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Compile-time system search path for libraries.
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Detected run-time system search path for libraries.
+sys_lib_dlsearch_path_spec=$lt_configure_time_dlsearch_path
+
+# Explicit LT_SYS_LIBRARY_PATH set during ./configure time.
+configure_time_lt_sys_library_path=$lt_configure_time_lt_sys_library_path
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+
+# The linker used to build libraries.
+LD=$lt_LD
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds
+
+# A language specific compiler.
+CC=$lt_compiler
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds
+archive_expsym_cmds=$lt_archive_expsym_cmds
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds
+module_expsym_cmds=$lt_module_expsym_cmds
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator
+
+# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct
+
+# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \$shlibpath_var if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds
+
+# Commands necessary for finishing linking programs.
+postlink_cmds=$lt_postlink_cmds
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action
+
+# The directories searched by this compiler when creating a shared library.
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs
+
+# Dependencies to place before and after the objects being linked to
+# create a shared library.
+predep_objects=$lt_predep_objects
+postdep_objects=$lt_postdep_objects
+predeps=$lt_predeps
+postdeps=$lt_postdeps
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path
+
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+    cat <<'_LT_EOF' >> "$cfgfile"
+
+# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
+
+# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x$2 in
+    x)
+        ;;
+    *:)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
+        ;;
+    x:*)
+        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
+        ;;
+    *)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+
+
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in $*""; do
+      case $cc_temp in
+        compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+        distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+
+
+# ### END FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test set != "${COLLECT_NAMES+set}"; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+
+
+ltmain=$ac_aux_dir/ltmain.sh
+
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  $SED '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
+
+   mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+
+
+    cat <<_LT_EOF >> "$ofile"
+
+# ### BEGIN LIBTOOL TAG CONFIG: CXX
+
+# The linker used to build libraries.
+LD=$lt_LD_CXX
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag_CXX
+reload_cmds=$lt_reload_cmds_CXX
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds_CXX
+
+# A language specific compiler.
+CC=$lt_compiler_CXX
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC_CXX
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic_CXX
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl_CXX
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static_CXX
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc_CXX
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object_CXX
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds_CXX
+archive_expsym_cmds=$lt_archive_expsym_cmds_CXX
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds_CXX
+module_expsym_cmds=$lt_module_expsym_cmds_CXX
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld_CXX
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag_CXX
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag_CXX
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX
+
+# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct_CXX
+
+# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \$shlibpath_var if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute_CXX
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L_CXX
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic_CXX
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath_CXX
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs_CXX
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols_CXX
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds_CXX
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms_CXX
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms_CXX
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds_CXX
+
+# Commands necessary for finishing linking programs.
+postlink_cmds=$lt_postlink_cmds_CXX
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec_CXX
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action_CXX
+
+# The directories searched by this compiler when creating a shared library.
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_CXX
+
+# Dependencies to place before and after the objects being linked to
+# create a shared library.
+predep_objects=$lt_predep_objects_CXX
+postdep_objects=$lt_postdep_objects_CXX
+predeps=$lt_predeps_CXX
+postdeps=$lt_postdeps_CXX
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path_CXX
+
+# ### END LIBTOOL TAG CONFIG: CXX
+_LT_EOF
+
+ ;;
+
+  esac
+done # for ac_tag
+
+
+as_fn_exit 0
+_ACEOF
+ac_clean_files=$ac_clean_files_save
+
+test $ac_write_fail = 0 ||
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded.  So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status.  When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+  ac_cs_success=:
+  ac_config_status_args=
+  test "$silent" = yes &&
+    ac_config_status_args="$ac_config_status_args --quiet"
+  exec 5>/dev/null
+  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  exec 5>>config.log
+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+  # would make configure fail if this is the last instruction.
+  $ac_cs_success || as_fn_exit 1
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+fi
+
+
+
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..93a1202
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,751 @@
+dnl Process this file with autoconf to produce a configure script.
+dnl
+AC_INIT([linux nfs-utils],[2.6.4],[linux-nfs@vger.kernel.org],[nfs-utils])
+AC_CANONICAL_BUILD([])
+AC_CANONICAL_HOST([])
+AC_CONFIG_MACRO_DIR(aclocal)
+AM_INIT_AUTOMAKE
+AC_PREREQ(2.59)
+AC_PREFIX_DEFAULT(/usr)
+AM_MAINTAINER_MODE
+AC_USE_SYSTEM_EXTENSIONS
+
+dnl *************************************************************
+dnl * Define the set of applicable options
+dnl *************************************************************
+AC_ARG_WITH(release,
+	[AS_HELP_STRING([--with-release=XXX],[set release to XXX [1]])],
+	RELEASE=$withval,
+	RELEASE=1)
+	AC_SUBST(RELEASE)
+AC_ARG_WITH(statedir,
+	[AS_HELP_STRING([--with-statedir=/foo],[use state dir /foo @<:@default=/var/lib/nfs@:>@])],
+	statedir=$withval,
+	statedir=/var/lib/nfs)
+	AC_SUBST(statedir)
+AC_ARG_WITH(nfsconfig,
+	[AS_HELP_STRING([--with-nfsconfig=/config/file],[use general config file /config/file @<:@default=/etc/nfs.conf@:>@])],
+	nfsconfig=$withval,
+	nfsconfig=/etc/nfs.conf)
+	AC_SUBST(nfsconfig)
+AC_ARG_WITH(statdpath,
+	[AS_HELP_STRING([--with-statdpath=/foo],[define the statd state dir as /foo instead of the NFS statedir @<:@default=/var/lib/nfs@:>@])],
+	statdpath=$withval,
+	statdpath=$statedir
+	)
+	AC_SUBST(statdpath)
+AC_ARG_WITH(statduser,
+	[AS_HELP_STRING([--with-statduser=rpcuser],[statd to run under @<:@rpcuser or nobody@:>@
+	])],
+	statduser=$withval,
+	if test "x$cross_compiling" = "xno"; then
+		if grep -s '^rpcuser:' /etc/passwd > /dev/null; then
+			statduser=rpcuser
+		else
+			statduser=nobody
+		fi
+	else
+		statduser=nobody
+	fi)
+	AC_SUBST(statduser)
+AC_ARG_WITH(start-statd,
+	[AS_HELP_STRING([--with-start-statd=scriptname],[When an nfs filesystems is mounted with locking, run this script
+	])],
+	startstatd=$withval,
+	startstatd=/usr/sbin/start-statd
+	)
+	AC_SUBST(startstatd)
+	AC_DEFINE_UNQUOTED(START_STATD, "$startstatd", [Define this to a script which can start statd on mount])
+unitdir=/usr/lib/systemd/system
+AC_ARG_WITH(systemd,
+	[AS_HELP_STRING([--with-systemd@<:@=unit-dir-path@:>@],[install systemd unit files @<:@Default: no, and path defaults to /usr/lib/systemd/system if not given@:>@])],
+	if test "$withval" != "no" ; then 
+		use_systemd=1
+		if test "$withval" != "yes" ; then 
+			unitdir=$withval
+		fi
+	else
+		use_systemd=0
+	fi
+	)
+	AM_CONDITIONAL(INSTALL_SYSTEMD, [test "$use_systemd" = 1])
+	AC_SUBST(unitdir)
+
+AC_ARG_ENABLE(nfsv4,
+	[AS_HELP_STRING([--disable-nfsv4],[disable support for NFSv4 @<:@default=no@:>@])],
+	enable_nfsv4=$enableval,
+	enable_nfsv4=yes)
+	if test "$enable_nfsv4" = yes; then
+		IDMAPD=idmapd
+	else
+		enable_nfsv4=
+		IDMAPD=
+	fi
+	AC_SUBST(IDMAPD)
+	AC_SUBST(enable_nfsv4)
+	AM_CONDITIONAL(CONFIG_NFSV4, [test "$enable_nfsv4" = "yes"])
+
+AC_ARG_ENABLE(nfsv41,
+	[AS_HELP_STRING([--disable-nfsv41],[disable support for NFSv41 @<:@default=no@:>@])],
+	enable_nfsv41=$enableval,
+	enable_nfsv41=yes)
+	if test "$enable_nfsv41" = yes; then
+		if test "$enable_nfsv4" != yes; then
+			AC_MSG_WARN([NFS v4 is not enabled. Disabling NFS v4.1])
+			enable_nfsv41=no
+		fi
+		BLKMAPD=blkmapd
+	else
+		enable_nfsv41=
+		BLKMAPD=
+	fi
+	AC_SUBST(enable_nfsv41)
+	AM_CONDITIONAL(CONFIG_NFSV41, [test "$enable_nfsv41" = "yes"])
+
+AC_ARG_ENABLE(gss,
+	[AS_HELP_STRING([--disable-gss],[disable client support for rpcsec_gss @<:@default=no@:>@])],
+	enable_gss=$enableval,
+	enable_gss=yes)
+	if test "$enable_gss" = yes; then
+		GSSD=gssd
+	else
+		enable_gss=
+		GSSD=
+	fi
+	AC_SUBST(GSSD)
+	AC_SUBST(enable_gss)
+	AM_CONDITIONAL(CONFIG_GSS, [test "$enable_gss" = "yes"])
+
+AC_ARG_ENABLE(svcgss,
+	[AS_HELP_STRING([--enable-svcgss],[enable building svcgssd for rpcsec_gss server support @<:@default=no@:>@])],
+	enable_svcgss=$enableval,
+	enable_svcgss=no)
+	if test "$enable_gss" = yes -a "$enable_svcgss" = yes; then
+		SVCGSSD=svcgssd
+	else
+		enable_svcgss=
+		SVCGSSD=
+	fi
+	AC_SUBST(SVCGSSD)
+	AC_SUBST(enable_svcgss)
+	AM_CONDITIONAL(CONFIG_SVCGSS, [test "$enable_svcgss" = "yes"])
+
+AC_ARG_ENABLE(kprefix,
+	[AS_HELP_STRING([--enable-kprefix],[install progs as rpc.knfsd etc])],
+	test "$enableval" = "yes" && kprefix=k,
+	kprefix=)
+	AC_SUBST(kprefix)
+AC_ARG_WITH(rpcgen,
+	[AS_HELP_STRING([--with-rpcgen=internal],[use internal rpcgen instead of system one])],
+	rpcgen_path=$withval,
+	rpcgen_path=yes )
+	rpcgen_cflags=-Werror=strict-prototypes
+	RPCGEN_PATH=
+	if test "$rpcgen_path" = "yes"; then
+	    for p in /usr/local/bin/rpcgen /usr/bin/rpcgen /bin/rpcgen
+	    do if test -f $p ; then RPCGEN_PATH=$p ; break; fi ; done
+		if test -z "$RPCGEN_PATH"; then
+			AC_MSG_ERROR([Please install rpcgen or use --with-rpcgen])
+		fi
+	elif test "$rpcgen_path" != "internal"; then
+	    RPCGEN_PATH=$rpcgen_path
+	else
+	    RPCGEN_PATH=internal
+	    rpcgen_cflags=-Wstrict-prototypes
+	fi
+	AC_SUBST(RPCGEN_PATH)
+	AM_CONDITIONAL(CONFIG_RPCGEN, [test "$RPCGEN_PATH" = "internal"])
+AC_ARG_ENABLE(uuid,
+	[AS_HELP_STRING([--disable-uuid],[Exclude uuid support to avoid buggy libblkid. @<:@default=no@:>@])],
+	if test "$enableval" = "yes" ; then choose_blkid=yes; else choose_blkid=no; fi,
+	choose_blkid=default)
+AC_ARG_ENABLE(mount,
+	[AS_HELP_STRING([--disable-mount],[Do not build mount.nfs and do use the util-linux mount(8) functionality. @<:@default=no@:>@])],
+	enable_mount=$enableval,
+	enable_mount=yes)
+	AM_CONDITIONAL(CONFIG_MOUNT, [test "$enable_mount" = "yes"])
+
+if test "$enable_mount" = yes; then
+	AC_ARG_ENABLE(libmount-mount,
+		[AS_HELP_STRING([--enable-libmount-mount],[Link mount.nfs with libmount @<:@default=no@:>@])],
+		enable_libmount=$enableval,
+		enable_libmount=no)
+else
+	enable_libmount=no
+fi
+
+AC_ARG_ENABLE(sbin-override,
+	[AS_HELP_STRING([--disable-sbin-override],[Don't force nfsdcltrack and mount helpers into /sbin: always honour --sbindir])],
+	enable_sbin_override=$enableval,
+	enable_sbin_override=yes)
+	AM_CONDITIONAL(CONFIG_SBIN_OVERRIDE, [test "$enable_sbin_override" = "yes"])
+AC_ARG_ENABLE(junction,
+	[AS_HELP_STRING([--enable-junction],[enable support for NFS junctions @<:@default=no@:>@])],
+	enable_junction=$enableval,
+	enable_junction=no)
+	if test "$enable_junction" = yes; then
+		AC_DEFINE(HAVE_JUNCTION_SUPPORT, 1,
+                          [Define this if you want junction support compiled in])
+	else
+		enable_junction=
+	fi
+	AM_CONDITIONAL(CONFIG_JUNCTION, [test "$enable_junction" = "yes" ])
+
+AC_ARG_ENABLE(tirpc,
+	[AS_HELP_STRING([--disable-tirpc],[disable use of TI-RPC library @<:@default=no@:>@])],
+	enable_tirpc=$enableval,
+	enable_tirpc=yes)
+AC_ARG_ENABLE(ipv6,
+	[AS_HELP_STRING([--disable-ipv6],[disable support for IPv6 @<:@default=no@:>@])],
+	enable_ipv6=$enableval,
+	enable_ipv6=yes)
+	if test "$enable_ipv6" = yes; then
+		AC_DEFINE(IPV6_SUPPORTED, 1, [Define this if you want IPv6 support compiled in])
+	else
+		enable_ipv6=
+	fi
+	AC_SUBST(enable_ipv6)
+	AM_CONDITIONAL(CONFIG_IPV6, [test "$enable_ipv6" = "yes"])
+
+if test "$enable_mount" = yes; then
+	AC_ARG_ENABLE(mountconfig,
+	[AS_HELP_STRING([--disable-mountconfig],[disable mount to use a configuration file @<:@default=no@:>@])],
+	enable_mountconfig=$enableval,
+	enable_mountconfig=yes)
+	if test "$enable_mountconfig" = no; then
+		enable_mountconfig=
+	else
+		AC_DEFINE(MOUNT_CONFIG, 1, 
+			[Define this if you want mount to read a configuration file])
+		AC_ARG_WITH(mountfile,
+			[AS_HELP_STRING([--with-mountfile=filename],[Using filename as the NFS mount options file [/etc/nfsmounts.conf]
+			])],
+		mountfile=$withval,
+		mountfile=/etc/nfsmount.conf)
+		AC_SUBST(mountfile)
+		AC_DEFINE_UNQUOTED(MOUNTOPTS_CONFFILE, "$mountfile", 
+			[This defines the location of the NFS mount configuration file])
+	fi
+	AC_SUBST(enable_mountconfig)
+	AM_CONDITIONAL(MOUNT_CONFIG, [test "$enable_mountconfig" = "yes"])
+else
+	AM_CONDITIONAL(MOUNT_CONFIG, [test "$enable_mount" = "yes"])
+fi
+
+AC_ARG_ENABLE(nfsdcld,
+	[AS_HELP_STRING([--disable-nfsdcld],[disable NFSv4 clientid tracking daemon @<:@default=no@:>@])],
+	enable_nfsdcld=$enableval,
+	enable_nfsdcld="yes")
+
+AC_ARG_ENABLE(nfsrahead,
+	[AS_HELP_STRING([--disable-nfsrahead],[disable nfsrahead command @<:@default=no@:>@])],
+	enable_nfsrahead=$enableval,
+	enable_nfsrahead="yes")
+	AM_CONDITIONAL(CONFIG_NFSRAHEAD, [test "$enable_nfsrahead" = "yes" ])
+	if test "$enable_nfsrahead" = yes; then
+		dnl Check for -lmount
+		PKG_CHECK_MODULES([LIBMOUNT], [mount])
+	fi
+
+AC_ARG_ENABLE(nfsdcltrack,
+	[AS_HELP_STRING([--disable-nfsdcltrack],[disable NFSv4 clientid tracking programs @<:@default=no@:>@])],
+	enable_nfsdcltrack=$enableval,
+	enable_nfsdcltrack="yes")
+
+AC_ARG_ENABLE(nfsv4server,
+	[AS_HELP_STRING([--enable-nfsv4server],[enable support for NFSv4 only server  @<:@default=no@:>@])],
+	enable_nfsv4server=$enableval,
+	enable_nfsv4server="no")
+	if test "$enable_nfsv4server" = yes; then
+		AC_DEFINE(HAVE_NFSV4SERVER_SUPPORT, 1,
+                          [Define this if you want NFSv4 server only support compiled in])
+	fi
+	AM_CONDITIONAL(CONFIG_NFSV4SERVER, [test "$enable_nfsv4server" = "yes" ])
+
+dnl Check for TI-RPC library and headers
+AC_LIBTIRPC
+
+dnl Check for -lcap
+AC_LIBCAP
+
+dnl Check for -lxml2
+AC_LIBXML2
+
+# Check whether user wants TCP wrappers support
+AC_TCP_WRAPPERS
+
+# Arrange for large-file support
+AC_SYS_LARGEFILE
+
+dnl Check for getrandom() libc support
+AC_GETRANDOM
+
+AC_CONFIG_SRCDIR([support/include/config.h.in])
+AC_CONFIG_HEADERS([support/include/config.h])
+
+# Checks for programs.
+AC_PROG_CXX
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_MAKE_SET
+LT_INIT
+AM_PROG_CC_C_O
+
+if test "x$cross_compiling" = "xno"; then
+	CC_FOR_BUILD=${CC_FOR_BUILD-${CC-gcc}}
+else
+	CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+fi
+
+AC_SUBST(CC_FOR_BUILD)
+
+AC_CHECK_TOOL(AR, ar)
+AC_CHECK_TOOL(LD, ld)
+
+AC_GNULIBC
+AC_BSD_SIGNALS
+
+dnl *************************************************************
+dnl * Check for required libraries
+dnl *************************************************************
+
+AC_CHECK_FUNC([gethostbyname], ,
+              [AC_CHECK_LIB([nsl], [gethostbyname], [LIBNSL="-lnsl"])])
+AC_SUBST(LIBNSL)
+
+AC_CHECK_FUNC([connect], ,
+              [AC_CHECK_LIB([socket], [connect], [LIBSOCKET="-lsocket"],
+                    [AC_MSG_ERROR([Function 'socket' not found.])], [$LIBNSL])])
+
+AC_CHECK_FUNC([getaddrinfo], ,
+              [AC_MSG_ERROR([Function 'getaddrinfo' not found.])])
+
+AC_CHECK_FUNC([getservbyname], ,
+              [AC_MSG_ERROR([Function 'getservbyname' not found.])])
+
+AC_CHECK_LIB([crypt], [crypt], [LIBCRYPT="-lcrypt"])
+
+AC_CHECK_HEADERS([sched.h], [], [])
+AC_CHECK_FUNCS([unshare fstatat statx], [] , [])
+AC_LIBPTHREAD([])
+
+# rpc/rpc.h can come from the glibc or from libtirpc
+nfsutils_save_CPPFLAGS="${CPPFLAGS}"
+CPPFLAGS="${CPPFLAGS} ${TIRPC_CFLAGS}"
+AC_CHECK_HEADER(rpc/rpc.h, ,
+                AC_MSG_ERROR([Header file rpc/rpc.h not found - maybe try building with --enable-tirpc]))
+CPPFLAGS="${nfsutils_save_CPPFLAGS}"
+
+AC_CHECK_HEADER(uuid/uuid.h, ,
+	AC_MSG_ERROR([Cannot find needed header file uuid/uuid.h. Install libuuid-devel]))
+
+dnl check for libevent libraries and headers
+AC_LIBEVENT
+
+dnl Check for sqlite3
+AC_SQLITE3_VERS
+
+case $libsqlite3_cv_is_recent in
+yes) ;;
+unknown)
+   dnl do not fail when cross-compiling
+   AC_MSG_WARN([assuming sqlite is at least v3.3]) ;;
+*)
+   AC_MSG_ERROR([nfsdcld requires sqlite-devel]) ;;
+esac
+
+if test "$enable_nfsv4" = yes; then
+
+  dnl check for the keyutils libraries and headers
+  AC_KEYUTILS
+
+  if test "$enable_nfsdcld" = "yes"; then
+	AC_CHECK_HEADERS([libgen.h sys/inotify.h], ,
+		AC_MSG_ERROR([Cannot find header needed for nfsdcld]))
+  fi
+
+  if test "$enable_nfsdcltrack" = "yes"; then
+	AC_CHECK_HEADERS([libgen.h sys/inotify.h], ,
+		AC_MSG_ERROR([Cannot find header needed for nfsdcltrack]))
+  fi
+
+else
+  enable_nfsdcld="no"
+  enable_nfsdcltrack="no"
+fi
+
+if test "$enable_nfsv41" = yes; then
+  AC_CHECK_LIB([devmapper], [dm_task_create], [LIBDEVMAPPER="-ldevmapper"], AC_MSG_ERROR([libdevmapper needed]))
+  AC_CHECK_HEADER(libdevmapper.h, , AC_MSG_ERROR([Cannot find devmapper header file libdevmapper.h]))
+  AC_CHECK_HEADER(sys/inotify.h, , AC_MSG_ERROR([Cannot find header file sys/inotify.h]))
+fi
+
+dnl enable nfsidmap when its support by libnfsidmap
+AM_CONDITIONAL(CONFIG_NFSDCLD, [test "$enable_nfsdcld" = "yes" ])
+AM_CONDITIONAL(CONFIG_NFSDCLTRACK, [test "$enable_nfsdcltrack" = "yes" ])
+
+
+if test "$knfsd_cv_glibc2" = no; then
+    AC_CHECK_LIB(bsd, daemon, [LIBBSD="-lbsd"])
+fi
+
+if test "$choose_blkid" != no; then 
+   AC_CHECK_LIB(blkid, blkid_get_library_version, [LIBBLKID="-lblkid"], AC_MSG_ERROR([libblkid needed]))
+   AC_CHECK_HEADER(blkid/blkid.h, , AC_MSG_ERROR([Cannot find libblkid header file blkid/blkid.h]))
+   AC_BLKID_VERS
+   if test $choose_blkid = yes; then
+      use_blkid=1
+      test $libblkid_cv_is_recent = no && AC_MSG_WARN([libblkid is old and may cause mountd to leak memory])
+   else
+      if test $libblkid_cv_is_recent = yes
+      then use_blkid=1
+      else use_blkid=0
+	   AC_MSG_WARN([uuid support disabled as libblkid is too old])
+      fi
+    fi
+    AC_DEFINE_UNQUOTED(USE_BLKID, $use_blkid, [Define if you want to use blkid to find uuid of filesystems])
+fi
+AC_SUBST(LIBSOCKET)
+AC_SUBST(LIBCRYPT)
+AC_SUBST(LIBBSD)
+AC_SUBST(LIBBLKID)
+
+if test "$enable_libmount" = yes; then
+   AC_CHECK_LIB(mount, mnt_context_do_mount, [LIBMOUNT="-lmount"], AC_MSG_ERROR([libmount needed]))
+   AC_CHECK_HEADER(libmount/libmount.h, , AC_MSG_ERROR([Cannot find libmount header file libmount/libmount.h]))
+fi
+AM_CONDITIONAL(CONFIG_LIBMOUNT, [test "$enable_libmount" = "yes"])
+AC_SUBST(LIBMOUNT)
+
+if test "$enable_gss" = yes; then
+  dnl 'gss' requires getnameinfo - at least for gssd_proc.c
+  AC_CHECK_FUNC([getnameinfo], , [AC_MSG_ERROR([GSSAPI support requires 'getnameinfo' function])])
+
+  dnl check for libevent libraries and headers
+  AC_LIBEVENT
+
+  dnl Check for Kerberos V5
+  AC_KERBEROS_V5
+
+  dnl Check for pthreads
+  AC_LIBPTHREAD([AC_MSG_ERROR([libpthread not found.])])
+
+  dnl librpcsecgss already has a dependency on libgssapi,
+  dnl but we need to make sure we get the right version
+  if test "$enable_gss" = yes; then
+    AC_RPCSEC_VERSION
+    if test x"$GSSGLUE_LIBS" != x""; then
+      GSSAPI_CFLAGS=$GSSGLUE_CFLAGS
+      GSSAPI_LIBS=$GSSGLUE_LIBS
+    else
+      GSSAPI_CFLAGS=$GSSKRB_CFLAGS
+      GSSAPI_LIBS=$GSSKRB_LIBS
+    fi
+    AC_SUBST([GSSAPI_CFLAGS])
+    AC_SUBST([GSSAPI_LIBS])
+  fi
+fi
+
+dnl libdnsidmap specific checks
+AC_CHECK_LIB([resolv], [__res_querydomain], ,
+	AC_CHECK_LIB([resolv], [res_querydomain], , AC_MSG_ERROR(res_querydomain needed)))
+
+AC_ARG_ENABLE([ldap],
+	[AS_HELP_STRING([--disable-ldap],[Disable support for LDAP @<:default=detect@:>@])])
+
+dnl will libdnsidmap support LDAP ?
+if test "x$enable_ldap" != "xno" ; then
+        AC_CHECK_HEADER([ldap.h],
+                [AC_CHECK_LIB([ldap], [ldap_initialize],
+                              [have_ldap="yes"],[have_ldap="no"])],
+                [have_ldap="no"])
+        if test "x$have_ldap" = "xyes" ; then
+                dnl check for sasl funcs
+                AC_CHECK_HEADERS(sasl.h sasl/sasl.h)
+                AC_CHECK_HEADERS(gsssasl.h)
+                AC_CHECK_TYPE(sasl_interact_t,[have_sasl_interact_t="yes"],,[
+                        #ifdef HAVE_SASL_SASL_H
+                        #include <sasl/sasl.h>
+                        #elif defined(HAVE_SASL_H)
+                        #include <sasl.h>
+                        #endif])
+		AC_CHECK_LIB([ldap],[ldap_sasl_interactive_bind_s],[have_ldap_sasl_interactive_bind_s="yes"])
+		AC_CHECK_LIB([gssapi_krb5],[gss_krb5_ccache_name],[have_gss_krb5_ccache_name="yes"])
+		if test "x$have_sasl_interact_t" = "xyes" -a \
+			"x$have_ldap_sasl_interactive_bind_s" = "xyes" -a \
+			"x$have_gss_krb5_ccache_name" = "xyes"; then
+			AC_DEFINE([HAVE_LDAP_SASL_INTERACTIVE_BIND_S],[1],[Has ldap_sasl_interactive_bind_s function])
+			AC_DEFINE([HAVE_GSS_KRB5_CCACHE_NAME],[1],[Has gss_krb5_ccache_name function])
+			AC_CHECK_HEADERS(gssapi/gssapi.h gssapi/gssapi_generic.h gssapi/gssapi_krb5.h gssapi.h krb5.h)
+			AC_DEFINE([ENABLE_LDAP_SASL],1,[Enable LDAP SASL support])
+			have_ldap_sasl="yes"
+		fi
+		AC_DEFINE([ENABLE_LDAP], 1, [Enable LDAP Support])
+        elif test "x$enable_ldap$have_ldap" = "xyesno" ; then
+                AC_MSG_ERROR(LDAP support not found!)
+        fi
+fi
+AM_CONDITIONAL(ENABLE_LDAP, test "x$have_ldap" = "xyes")
+AM_CONDITIONAL(ENABLE_LDAP_SASL, test "x$have_ldap_sasl" = "xyes")
+
+dnl Should we build gums mapping library?
+AC_ARG_ENABLE([gums],
+        [AS_HELP_STRING([--enable-gums],[Enable support for the GUMS mapping library @<:@default=false@:>@])])
+if test "x$enable_gums" = "xyes" ; then
+        AC_DEFINE([ENABLE_GUMS], 1, [Enable GUMS mapping library support])
+fi
+AM_CONDITIONAL(ENABLE_GUMS, test "x$enable_gums" = "xyes")
+
+dnl Where do the Plugins live
+AC_ARG_WITH(pluginpath,
+    [AS_HELP_STRING([--with-pluginpath=/foo],[Causes the library to look in /foo instead of /usr/lib/libnfsidmap for plugins
+    ])],
+    path_plugins=$withval,
+    path_plugins=""
+    )
+if test -n "$path_plugins" ; then
+        AC_DEFINE_UNQUOTED(PATH_PLUGINS, "$path_plugins",
+                [Define this to change the plugins path])
+fi
+AM_CONDITIONAL(PATH_PLUGINS, test -n "$path_plugins")
+AC_SUBST(PATH_PLUGINS, "$path_plugins")
+
+AC_SUBST(AM_CPPFLAGS, "$AM_CPPFLAGS")
+AC_DEFINE([HAVE_NFS4_SET_DEBUG], 1,
+          [Bundled lib always has the `nfs4_set_debug' function.])
+
+dnl Check for IPv6 support
+AC_IPV6
+
+dnl *************************************************************
+dnl Check for headers
+dnl *************************************************************
+AC_CHECK_HEADERS([arpa/inet.h fcntl.h libintl.h limits.h \
+                 malloc.h memory.h netdb.h netinet/in.h paths.h \
+                 stdlib.h string.h sys/file.h sys/ioctl.h sys/mount.h \
+                 sys/param.h sys/socket.h sys/time.h sys/vfs.h \
+                 syslog.h unistd.h com_err.h et/com_err.h \
+                 ifaddrs.h])
+
+dnl *************************************************************
+dnl Checks for typedefs, structures, and compiler characteristics
+dnl *************************************************************
+AC_C_CONST
+AC_TYPE_UID_T
+AC_C_INLINE
+AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+
+AC_STRUCT_TM
+AC_CHECK_TYPES([struct file_handle], [], [], [[
+		#define _GNU_SOURCE
+		#include <sys/types.h>
+		#include <sys/stat.h>
+		#include <fcntl.h>
+	]])
+
+dnl *************************************************************
+dnl Check for functions
+dnl *************************************************************
+AC_FUNC_ALLOCA
+AC_FUNC_CLOSEDIR_VOID
+AC_FUNC_ERROR_AT_LINE
+AC_FUNC_FORK
+AC_FUNC_GETGROUPS
+AC_FUNC_GETMNTENT
+AC_PROG_GCC_TRADITIONAL
+AC_FUNC_LSTAT
+AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
+AC_HEADER_MAJOR
+#AC_FUNC_MALLOC
+AC_FUNC_MEMCMP
+#AC_FUNC_REALLOC
+AC_FUNC_SELECT_ARGTYPES
+
+AC_FUNC_STAT
+AC_FUNC_VPRINTF
+AC_CHECK_FUNCS([alarm atexit dup2 fdatasync ftruncate getcwd \
+               gethostbyaddr gethostbyname gethostname getmntent \
+               getnameinfo getrpcbyname getifaddrs \
+               gettimeofday hasmntopt inet_ntoa innetgr memset mkdir pathconf \
+               ppoll realpath rmdir select socket strcasecmp strchr strdup \
+               strerror strrchr strtol strtoul sigprocmask name_to_handle_at])
+
+save_CFLAGS=$CFLAGS
+save_LIBS=$LIBS
+CFLAGS="$CFLAGS $AM_CPPFLAGS"
+LIBS="$LIBS $LIBTIRPC"
+AC_CHECK_FUNCS([getrpcbynumber getrpcbynumber_r])
+CFLAGS=$save_CFLAGS
+LIBS=$save_LIBS
+
+if test "$ac_cv_func_getrpcbynumber_r" != "yes" -a "$ac_cv_func_getrpcbynumber" != "yes"; then
+   AC_MSG_ERROR([Neither getrpcbynumber_r nor getrpcbynumber are available])
+fi
+
+dnl *************************************************************
+dnl Check for data sizes
+dnl *************************************************************
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
+AC_CHECK_SIZEOF(size_t)
+AC_CHECK_SIZEOF(socklen_t,, [AC_INCLUDES_DEFAULT
+                             #ifdef HAVE_SYS_SOCKET_H
+                             # include <sys/socket.h>
+                             #endif])
+
+
+dnl *************************************************************
+dnl Export some path names to config.h
+dnl *************************************************************
+AC_DEFINE_UNQUOTED(NFS_STATEDIR, "$statedir", [This defines the location of the NFS state files. Warning: this must match definitions in config.mk!])
+AC_DEFINE_UNQUOTED(NSM_DEFAULT_STATEDIR, "$statdpath", [Define this to the pathname where statd keeps its state file])
+AC_DEFINE_UNQUOTED(NFS_CONFFILE, "$nfsconfig", [This defines the location of NFS daemon config file])
+
+if test "x$cross_compiling" = "xno"; then
+	CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-"$CFLAGS"}
+	CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-"$CXXFLAGS"}
+	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"}
+	LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-"$LDFLAGS"}
+else
+	CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-""}
+	CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-""}
+	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
+	LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
+fi
+
+AC_SUBST(CFLAGS)
+AC_SUBST(CXXFLAGS)
+AC_SUBST(CPPFLAGS)
+AC_SUBST(LDFLAGS)
+
+AC_SUBST(CFLAGS_FOR_BUILD)
+AC_SUBST(CXXFLAGS_FOR_BUILD)
+AC_SUBST(CPPFLAGS_FOR_BUILD)
+AC_SUBST(LDFLAGS_FOR_BUILD)
+
+my_am_cflags="\
+ -pipe \
+ -Wall \
+ -Wextra \
+ $rpcgen_cflags \
+ -Werror=missing-prototypes \
+ -Werror=missing-declarations \
+ -Werror=format=2 \
+ -Werror=undef \
+ -Werror=missing-include-dirs \
+ -Werror=strict-aliasing=2 \
+ -Werror=init-self \
+ -Werror=implicit-function-declaration \
+ -Werror=return-type \
+ -Werror=switch \
+ -Werror=overflow \
+ -Werror=parentheses \
+ -Werror=aggregate-return \
+ -Werror=unused-result \
+ -fno-strict-aliasing \
+"
+
+AC_DEFUN([CHECK_CCSUPPORT], [
+  my_save_cflags="$CFLAGS"
+  CFLAGS="-Werror $1"
+  AC_MSG_CHECKING([whether CC supports $1])
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
+    [AC_MSG_RESULT([yes])]
+    [$2+=$1],
+    [AC_MSG_RESULT([no])]
+  )
+  CFLAGS="$my_save_cflags"
+])
+
+CHECK_CCSUPPORT([-Werror=format-overflow=2], [flg1])
+CHECK_CCSUPPORT([-Werror=int-conversion], [flg2])
+CHECK_CCSUPPORT([-Werror=incompatible-pointer-types], [flg3])
+CHECK_CCSUPPORT([-Werror=misleading-indentation], [flg4])
+CHECK_CCSUPPORT([-Wno-cast-function-type], [flg5])
+AX_GCC_FUNC_ATTRIBUTE([format])
+
+AC_SUBST([AM_CFLAGS], ["$my_am_cflags $flg1 $flg2 $flg3 $flg4 $flg5"])
+
+# Make sure that $ACLOCAL_FLAGS are used during a rebuild
+AC_SUBST([ACLOCAL_AMFLAGS], ["-I $ac_macro_dir \$(ACLOCAL_FLAGS)"])
+
+# make _sysconfdir available for substitution in config files
+# 2 "evals" needed late to expand variable names.
+AC_SUBST([_sysconfdir])
+AC_CONFIG_COMMANDS_PRE([eval eval _sysconfdir=$sysconfdir])
+
+# make _statedir available for substitution in config files
+# 2 "evals" needed late to expand variable names.
+AC_SUBST([_statedir])
+AC_CONFIG_COMMANDS_PRE([eval eval _statedir=$statedir])
+
+if test "$statedir" = "/var/lib/nfs"; then
+	rpc_pipefsmount="var-lib-nfs-rpc_pipefs.mount"
+else
+	rpc_pipefsmount="$(systemd-escape -p "$statedir/rpc_pipefs").mount"
+fi
+AC_SUBST(rpc_pipefsmount)
+
+# make _rpc_pipefsmount available for substitution in config files
+# 2 "evals" needed late to expand variable names.
+AC_SUBST([_rpc_pipefsmount])
+AC_CONFIG_COMMANDS_PRE([eval eval _rpc_pipefsmount=$rpc_pipefsmount])
+
+AC_CONFIG_FILES([
+	Makefile
+	systemd/rpc-gssd.service
+	systemd/rpc_pipefs.target
+	systemd/var-lib-nfs-rpc_pipefs.mount
+	linux-nfs/Makefile
+	support/Makefile
+	support/export/Makefile
+	support/include/nfs/Makefile
+	support/include/rpcsvc/Makefile
+	support/include/sys/fs/Makefile
+	support/include/sys/Makefile
+	support/include/Makefile
+	support/junction/Makefile
+	support/misc/Makefile
+	support/nfs/Makefile
+	support/nsm/Makefile
+	support/nfsidmap/Makefile
+	support/nfsidmap/libnfsidmap.pc
+	support/reexport/Makefile
+	tools/Makefile
+	tools/locktest/Makefile
+	tools/nlmtest/Makefile
+	tools/rpcdebug/Makefile
+	tools/rpcgen/Makefile
+	tools/mountstats/Makefile
+	tools/nfs-iostat/Makefile
+	tools/nfsrahead/Makefile
+	tools/rpcctl/Makefile
+	tools/nfsdclnts/Makefile
+	tools/nfsconf/Makefile
+	tools/nfsdclddb/Makefile
+	utils/Makefile
+	utils/blkmapd/Makefile
+	utils/nfsdcld/Makefile
+	utils/nfsdcltrack/Makefile
+	utils/exportfs/Makefile
+	utils/gssd/Makefile
+	utils/idmapd/Makefile
+	utils/mount/Makefile
+	utils/mountd/Makefile
+	utils/exportd/Makefile
+	utils/nfsd/Makefile
+	utils/nfsref/Makefile
+	utils/nfsstat/Makefile
+	utils/nfsidmap/Makefile
+	utils/showmount/Makefile
+	utils/statd/Makefile
+	systemd/Makefile
+	tests/Makefile
+	tests/nsm_client/Makefile])
+AC_OUTPUT
+
diff --git a/depcomp b/depcomp
new file mode 100755
index 0000000..715e343
--- /dev/null
+++ b/depcomp
@@ -0,0 +1,791 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+  '')
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+    exit 1;
+    ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by 'PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputting dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
+# A tabulation character.
+tab='	'
+# A newline character.
+nl='
+'
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+  # This is just like dashmstdout with a different argument.
+  dashmflag=-xM
+  depmode=dashmstdout
+fi
+
+cygpath_u="cygpath -u -f -"
+if test "$depmode" = msvcmsys; then
+  # This is just like msvisualcpp but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvisualcpp
+fi
+
+if test "$depmode" = msvc7msys; then
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am.  Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+  for arg
+  do
+    case $arg in
+    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+    *)  set fnord "$@" "$arg" ;;
+    esac
+    shift # fnord
+    shift # $arg
+  done
+  "$@"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The second -e expression handles DOS-style file names with drive
+  # letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the "deleted header file" problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+## Some versions of gcc put a space before the ':'.  On the theory
+## that the space means something, we add a space to the output as
+## well.  hp depmode also adds that space, but also prefixes the VPATH
+## to the object.  Take care to not repeat it in the output.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like '#:fec' to the end of the
+    # dependency line.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
+      | tr "$nl" ' ' >> "$depfile"
+    echo >> "$depfile"
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+      >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+xlc)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  set_dir_from "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$base.u
+    tmpdepfile3=$dir.libs/$base.u
+    "$@" -Wc,-M
+  else
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$dir$base.u
+    tmpdepfile3=$dir$base.u
+    "$@" -M
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  aix_post_process_depfile
+  ;;
+
+tcc)
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
+  # FIXME: That version still under development at the moment of writing.
+  #        Make that this statement remains true also for stable, released
+  #        versions.
+  # It will wrap lines (doesn't matter whether long or short) with a
+  # trailing '\', as in:
+  #
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+## The order of this option in the case statement is important, since the
+## shell code in configure will try each of these formats in the order
+## listed in this file.  A plain '-MD' option would be understood by many
+## compilers, so we must ensure this comes after the gcc and icc options.
+pgcc)
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
+  # source file under compilation, even if file resides in a subdirectory.
+  # The object file name does not affect the name of the '.d' file.
+  # pgcc 10.2 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using '\' :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
+
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
+      stat=$?
+      # Release the lock.
+      rmdir "$lockdir"
+      break
+    else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
+
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp2)
+  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+  # compilers, which have integrated preprocessors.  The correct option
+  # to use with these is +Maked; it writes dependencies to a file named
+  # 'foo.d', which lands next to the object file, wherever that
+  # happens to be.
+  # Much of this is similar to the tru64 case; see comments there.
+  set_dir_from  "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir.libs/$base.d
+    "$@" -Wc,+Maked
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    "$@" +Maked
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+     rm -f "$tmpdepfile1" "$tmpdepfile2"
+     exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add 'dependent.h:' lines.
+    sed -ne '2,${
+               s/^ *//
+               s/ \\*$//
+               s/$/:/
+               p
+             }' "$tmpdepfile" >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile" "$tmpdepfile2"
+  ;;
+
+tru64)
+  # The Tru64 compiler uses -MD to generate dependencies as a side
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # dependencies in 'foo.d' instead, so we check for that too.
+  # Subdirectories are respected.
+  set_dir_from  "$object"
+  set_base_from "$object"
+
+  if test "$libtool" = yes; then
+    # Libtool generates 2 separate objects for the 2 libraries.  These
+    # two compilations output dependencies in $dir.libs/$base.o.d and
+    # in $dir$base.o.d.  We have to check for both files, because
+    # one of the two compilations can be disabled.  We should prefer
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    # automatically cleaned when .libs/ is deleted, while ignoring
+    # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
+    "$@" -Wc,-MD
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    tmpdepfile3=$dir$base.d
+    "$@" -MD
+  fi
+
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  # Same post-processing that is required for AIX mode.
+  aix_post_process_depfile
+  ;;
+
+msvc7)
+  if test "$libtool" = yes; then
+    showIncludes=-Wc,-showIncludes
+  else
+    showIncludes=-showIncludes
+  fi
+  "$@" $showIncludes > "$tmpdepfile"
+  stat=$?
+  grep -v '^Note: including file: ' "$tmpdepfile"
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The first sed program below extracts the file names and escapes
+  # backslashes for cygpath.  The second sed program outputs the file
+  # name when reading, but also accumulates all include files in the
+  # hold buffer in order to output them again at the end.  This only
+  # works with sed implementations that can handle large buffers.
+  sed < "$tmpdepfile" -n '
+/^Note: including file:  *\(.*\)/ {
+  s//\1/
+  s/\\/\\\\/g
+  p
+}' | $cygpath_u | sort -u | sed -n '
+s/ /\\ /g
+s/\(.*\)/'"$tab"'\1 \\/p
+s/.\(.*\) \\/\1:/
+H
+$ {
+  s/.*/'"$tab"'/
+  G
+  p
+}' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
+  rm -f "$tmpdepfile"
+  ;;
+
+msvc7msys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for ':'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
+  "$@" $dashmflag |
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no eat=no
+  for arg
+  do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    if test $eat = yes; then
+      eat=no
+      continue
+    fi
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -arch)
+      eat=yes ;;
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix=`echo "$object" | sed 's/^.*\././'`
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
+  # No need to regex-escape $object, excess matching of '.' is harmless.
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+        set fnord "$@"
+        shift
+        shift
+        ;;
+    *)
+        set fnord "$@" "$arg"
+        shift
+        shift
+        ;;
+    esac
+  done
+  "$@" -E 2>/dev/null |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
+  echo "$tab" >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvcmsys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/install-dep b/install-dep
new file mode 100755
index 0000000..4698d44
--- /dev/null
+++ b/install-dep
@@ -0,0 +1,21 @@
+#!/bin/bash
+#install dependencies for compiling from source code
+
+#RHEL/Fedora/CentOS-Stream/Rocky
+command -v dnf >/dev/null || command -v yum >/dev/null && {
+	yum install -y automake libtool make gcc rpcgen libtirpc-devel libevent-devel sqlite-devel device-mapper-devel \
+		libblkid-devel krb5-devel libuuid-devel
+}
+
+#Debian/ubuntu
+command -v apt >/dev/null && {
+	apt install -o APT::Install-Suggests=0 -o APT::Install-Recommends=0 --ignore-missing -y \
+		autotools-dev automake make libtool pkg-config libtirpc-dev libevent-dev libsqlite3-dev \
+		libdevmapper-dev libblkid-dev libkrb5-dev libkeyutils-dev uuid-dev
+}
+
+#openSUSE Leap
+command -v zypper >/dev/null && {
+	zypper in --no-recommends -y automake libtool make gcc rpcgen libtirpc-devel libevent-devel sqlite-devel \
+		device-mapper-devel libblkid-devel krb5-devel libuuid-devel
+}
diff --git a/install-sh b/install-sh
new file mode 100755
index 0000000..ec298b5
--- /dev/null
+++ b/install-sh
@@ -0,0 +1,541 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2020-11-14.01; # UTC
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# 'make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+tab='	'
+nl='
+'
+IFS=" $tab$nl"
+
+# Set DOITPROG to "echo" to test this script.
+
+doit=${DOITPROG-}
+doit_exec=${doit:-exec}
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+# Create dirs (including intermediate dirs) using mode 755.
+# This is like GNU 'install' as of coreutils 8.32 (2020).
+mkdir_umask=22
+
+backupsuffix=
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+is_target_a_directory=possibly
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -p            pass -p to $cpprog.
+  -s            $stripprog installed files.
+  -S SUFFIX     attempt to back up existing files, with suffix SUFFIX.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+
+By default, rm is invoked with -f; when overridden with RMPROG,
+it's up to you to specify -f if you want it.
+
+If -S is not specified, no backups are attempted.
+
+Email bug reports to bug-automake@gnu.org.
+Automake home page: https://www.gnu.org/software/automake/
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+        shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+        case $mode in
+          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
+            echo "$0: invalid mode: $mode" >&2
+            exit 1;;
+        esac
+        shift;;
+
+    -o) chowncmd="$chownprog $2"
+        shift;;
+
+    -p) cpprog="$cpprog -p";;
+
+    -s) stripcmd=$stripprog;;
+
+    -S) backupsuffix="$2"
+        shift;;
+
+    -t)
+        is_target_a_directory=always
+        dst_arg=$2
+        # Protect names problematic for 'test' and other utilities.
+        case $dst_arg in
+          -* | [=\(\)!]) dst_arg=./$dst_arg;;
+        esac
+        shift;;
+
+    -T) is_target_a_directory=never;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --) shift
+        break;;
+
+    -*) echo "$0: invalid option: $1" >&2
+        exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+# We allow the use of options -d and -T together, by making -d
+# take the precedence; this is for compatibility with GNU install.
+
+if test -n "$dir_arg"; then
+  if test -n "$dst_arg"; then
+    echo "$0: target directory not allowed when installing a directory." >&2
+    exit 1
+  fi
+fi
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+    # Protect names problematic for 'test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call 'install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  if test $# -gt 1 || test "$is_target_a_directory" = always; then
+    if test ! -d "$dst_arg"; then
+      echo "$0: $dst_arg: Is not a directory." >&2
+      exit 1
+    fi
+  fi
+fi
+
+if test -z "$dir_arg"; then
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+        u_plus_rw=
+      else
+        u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+        u_plus_rw=
+      else
+        u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names problematic for 'test' and other utilities.
+  case $src in
+    -* | [=\(\)!]) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+    # Don't chown directories that already exist.
+    if test $dstdir_status = 0; then
+      chowncmd=""
+    fi
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+    dst=$dst_arg
+
+    # If destination is a directory, append the input filename.
+    if test -d "$dst"; then
+      if test "$is_target_a_directory" = never; then
+        echo "$0: $dst_arg: Is a directory" >&2
+        exit 1
+      fi
+      dstdir=$dst
+      dstbase=`basename "$src"`
+      case $dst in
+	*/) dst=$dst$dstbase;;
+	*)  dst=$dst/$dstbase;;
+      esac
+      dstdir_status=0
+    else
+      dstdir=`dirname "$dst"`
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  case $dstdir in
+    */) dstdirslash=$dstdir;;
+    *)  dstdirslash=$dstdir/;;
+  esac
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+        # With -d, create the new directory with the user-specified mode.
+        # Otherwise, rely on $mkdir_umask.
+        if test -n "$dir_arg"; then
+          mkdir_mode=-m$mode
+        else
+          mkdir_mode=
+        fi
+
+        posix_mkdir=false
+	# The $RANDOM variable is not portable (e.g., dash).  Use it
+	# here however when possible just to lower collision chance.
+	tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+
+	trap '
+	  ret=$?
+	  rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
+	  exit $ret
+	' 0
+
+	# Because "mkdir -p" follows existing symlinks and we likely work
+	# directly in world-writeable /tmp, make sure that the '$tmpdir'
+	# directory is successfully created first before we actually test
+	# 'mkdir -p'.
+	if (umask $mkdir_umask &&
+	    $mkdirprog $mkdir_mode "$tmpdir" &&
+	    exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
+	then
+	  if test -z "$dir_arg" || {
+	       # Check for POSIX incompatibilities with -m.
+	       # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+	       # other-writable bit of parent directory when it shouldn't.
+	       # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+	       test_tmpdir="$tmpdir/a"
+	       ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
+	       case $ls_ld_tmpdir in
+		 d????-?r-*) different_mode=700;;
+		 d????-?--*) different_mode=755;;
+		 *) false;;
+	       esac &&
+	       $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
+		 ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
+		 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+	       }
+	     }
+	  then posix_mkdir=:
+	  fi
+	  rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
+	else
+	  # Remove any dirs left behind by ancient mkdir implementations.
+	  rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
+	fi
+	trap '' 0;;
+    esac
+
+    if
+      $posix_mkdir && (
+        umask $mkdir_umask &&
+        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+        /*) prefix='/';;
+        [-=\(\)!]*) prefix='./';;
+        *)  prefix='';;
+      esac
+
+      oIFS=$IFS
+      IFS=/
+      set -f
+      set fnord $dstdir
+      shift
+      set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+        test X"$d" = X && continue
+
+        prefix=$prefix$d
+        if test -d "$prefix"; then
+          prefixes=
+        else
+          if $posix_mkdir; then
+            (umask $mkdir_umask &&
+             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+            # Don't fail if two instances are running concurrently.
+            test -d "$prefix" || exit 1
+          else
+            case $prefix in
+              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+              *) qprefix=$prefix;;
+            esac
+            prefixes="$prefixes '$qprefix'"
+          fi
+        fi
+        prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+        # Don't fail if two instances are running concurrently.
+        (umask $mkdir_umask &&
+         eval "\$doit_exec \$mkdirprog $prefixes") ||
+          test -d "$dstdir" || exit 1
+        obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=${dstdirslash}_inst.$$_
+    rmtmp=${dstdirslash}_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask &&
+     { test -z "$stripcmd" || {
+	 # Create $dsttmp read-write so that cp doesn't create it read-only,
+	 # which would cause strip to fail.
+	 if test -z "$doit"; then
+	   : >"$dsttmp" # No need to fork-exec 'touch'.
+	 else
+	   $doit touch "$dsttmp"
+	 fi
+       }
+     } &&
+     $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
+       set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       set +f &&
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # If $backupsuffix is set, and the file being installed
+      # already exists, attempt a backup.  Don't worry if it fails,
+      # e.g., if mv doesn't support -f.
+      if test -n "$backupsuffix" && test -f "$dst"; then
+        $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
+      fi
+
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+        # Now remove or move aside any old file at destination location.
+        # We try this two ways since rm can't unlink itself on some
+        # systems and the destination file might be busy for other
+        # reasons.  In this case, the final cleanup might fail but the new
+        # file should still install successfully.
+        {
+          test ! -f "$dst" ||
+          $doit $rmcmd "$dst" 2>/dev/null ||
+          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+            { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
+          } ||
+          { echo "$0: cannot unlink or rename $dst" >&2
+            (exit 1); exit 1
+          }
+        } &&
+
+        # Now rename the file to the real destination.
+        $doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/linux-nfs/ChangeLog b/linux-nfs/ChangeLog
new file mode 100644
index 0000000..11ffe15
--- /dev/null
+++ b/linux-nfs/ChangeLog
@@ -0,0 +1,78 @@
+
+Release 0.4.11
+
+ *	Added async writes.
+ *	Fixed bug where two rpciod's would be started when insmod'ing
+	both nfs.o and nfsd.o.
+
+Release 0.4.12
+
+ *	Fixed compile problem after renaming some debug macros.
+ *	Improved readdir cache, which can now hold up to 16 (configurable)
+	readdir replies.
+ *	Fixed async write bug(s)
+ *	client file locking now does at least lock/unlock without
+	crashing the machine
+ *	Started to work on NFS swapping
+ *	nfs_get_super no longer requires the file handle passed by
+	mount but does a straight xprt_create_proto().
+ *	TCP reconnect should work now (not yet tested for long disconnect
+	periods, but it does work if you kill and restart nfsd).
+
+Release 0.4.13
+
+ *	More writeback bugs removed.
+ *	Added a modified (and ansified) tirpc rpcgen to get rid of all
+	the warnings in files generated from *.x descriptions. That old Sun
+	code is a real mess.
+ *	Cleaned up nfsd export handling a bit. All syscalls now
+	take dev/ino rather than the pathname.
+ *	Added sysctl interface to set/get debug flags (see tools/rpcdebug).
+ *	Cleaned up Makefiles.
+ *	(experimental) Gathered writes for nfsd (use the wdelay option in
+	/etc/exports).
+ *	Fixed silly bug in nfs_readdir (the in-place decoding of readdir
+	replies requires a temporary buffer).
+ *	Fixed readdir bug in nfsd (long directories were truncated).
+
+Release 0.4.14
+
+ *	Upgraded to kernel 2.0.23
+ *	Fixed bug in rpcdebug
+ *	readdir still didn't work right in nfsd. Argh!
+ *	nfsd would refuse to create symlinks with slashes in them:-)
+ *	nfsd's RPC reply cache should now work again.
+ *	Heavily modified rpc.statd for more robust callback/notify handling
+
+Release 0.4.17
+
+ *	Upgraded to kernel 2.1.14
+ *	Got lockd working with HPUX in most areas.
+
+Release 0.4.19
+
+ *	RPC server UDP sockets now receive the sk_buff directly rather
+	than going through sock->ops->recvmsg.
+	Also got rid of all those cli/sti's and replaced them with
+	disable_bh/enable_bh calls.
+ *	Fixed a bug in nfsd's handling of rename and friends.
+
+Release 0.4.20
+
+ *	Some bugfixes, esp in the writeback code
+ *	Avoid some unnecessary cli/sti pairs
+ *	Added nhfsstone
+
+Release 0.4.21
+
+ *	Minor bugfixes
+ *	Moved to post-2.1.16 module handling code
+
+Release 0.4.22
+
+ *	Fixed a bug that made rpcinfo -u host nlockmgr provoke a kernel
+	oops.
+ *	Upgraded to mount-2.6b
+ *	Added NFSv3 support to mountd and nfsd
+ *	Made sure it compiles with glibc2.
+
diff --git a/linux-nfs/INSTALL b/linux-nfs/INSTALL
new file mode 100644
index 0000000..351f733
--- /dev/null
+++ b/linux-nfs/INSTALL
@@ -0,0 +1,11 @@
+
+Even though the Makefiles offer a `make install' instruction,
+I would suggest against using it yet. I have run nfsd and the nfs
+client without kernel oopses for a while, but the picture may change
+if you start playing with lockd. Automatic installation may not even
+work for the kernel makefiles yet.
+
+I'd therefore advise that you use a separate Linux box for testing
+if you have one. Use the etc/copy script to copy all modules and
+support programs, and run the ins script to start the show. rmm
+will clean up afterwards (provided you didn't trigger an oops).
diff --git a/linux-nfs/KNOWNBUGS b/linux-nfs/KNOWNBUGS
new file mode 100644
index 0000000..b0ecd5c
--- /dev/null
+++ b/linux-nfs/KNOWNBUGS
@@ -0,0 +1,37 @@
+
+nfsd:
+
+ *	We currently keep the inode in the exports struct. This is
+	a bad idea with directories that are intended to be used as
+	a mount point. Must store the file name instead and do a
+	lookup when getfh is called. Yuck!
+
+	Even yuckier: what do we do about exports matching when we
+	can't keep the inode number?
+
+ *	stating a file on remote cdrom returns st_blocks == 0 for some
+	apps.
+
+ *	Should allow multiple exports per dev if one of the directories
+	isn't a subdir of the other.
+
+nfsclnt:
+
+ *	On some occasions, an EAGAIN reported by the transport layer
+	will be propagated to the VFS.
+ *	Some operations do not seem to release the inode properly, so
+	unmounting the device fails.
+
+lockd:
+
+ *	Handle portmap registration in a separate thread. portmap may
+	not be running when we try to mount the first NFS volume (esp.
+	when mounting /usr).
+
+ *	Does not inform rpc.statd when hosts no longer require
+	monitoring; hosts are incorrectly monitored until next system
+	reboot.
+
+exportfs/mountd:
+
+ *	Export handling is reported to do odd things at times.
diff --git a/linux-nfs/Makefile.am b/linux-nfs/Makefile.am
new file mode 100644
index 0000000..9c2065b
--- /dev/null
+++ b/linux-nfs/Makefile.am
@@ -0,0 +1,5 @@
+## Process this file with automake to produce Makefile.in
+
+EXTRA_DIST = ChangeLog INSTALL KNOWNBUGS NEW README THANKS TODO
+
+MAINTAINERCLEANFILES = Makefile.in
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new file mode 100644
index 0000000..c442c07
--- /dev/null
+++ b/linux-nfs/Makefile.in
@@ -0,0 +1,536 @@
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+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
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+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	cscopelist-am ctags-am distclean distclean-generic \
+	distclean-libtool distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/linux-nfs/NEW b/linux-nfs/NEW
new file mode 100644
index 0000000..43f5c69
--- /dev/null
+++ b/linux-nfs/NEW
@@ -0,0 +1,319 @@
+This is the Linux kernel NFS daemon 1.4.7. It is based on linux-nfs
+0.4.22. It is tested on Linux/alpha and Linux/x86 running glibc 2.1.1.
+
+WARNING: The NFS servers in Linux 2.2 to 2.2.11 are not compatible with
+other NFS client implemenations. If you plan to use Linux 2.2.x as an
+NFS server for non-Linux NFS clients, you should apply the patches
+enlosed here.
+
+linux-2.2.7-sunrpc.patch, nfsd-2.2.7-2.lockd.patch, nfsd-2.2.7-3.patch
+and nfsd-2.2.7-nfsfh.patch are required for Linux 2.2.7 to 2.2.11.
+For other kernel versions, they have to be applied by hand if they are
+still needed.
+
+For Linux 2.2.7 to 2.2.10, nfsd-2.2.7-1.lock.patch is also required.
+
+I made my knfsd package available only because I use it and noone else
+seems to maintain it. But I don't have much time to really work on it.
+I will only fix bugs in the NFS utilities and serious kernel NFS bugs
+which I can duplcate easily. If you have any kernel NFS server problem,
+please report it to the Linux kernel mailing list. If it can be
+reproduced with Linux NFS server and client in less than 5 minutes, you
+can also send me a copy in addition to sending it to the Linux kernel
+mailing list. I may take a look when I have time. However I will collect
+kernel NFS related patches. Contributions are more than welcome.
+
+The NFS lock only works with lockd. Please make sure the portmapper,
+portmap, is started before mounting NFS.
+
+Changes from knfsd 1.4.6:
+
+1. Fix a typo in knfslock.init.
+2. A new kernel patch, nfsd-2.2.7-1.lock.patch, to fix some NFS lock
+   bugs.
+
+Changes from knfsd 1.4.5:
+
+1. Rename /var/lib/nfs/xtab.export to /var/lib/nfs/etab.
+
+Changes from knfsd 1.4.4:
+
+1. Try to fix mountd performance problem by introducing
+   /var/lib/nfs/xtab.export. That is
+   
+  a. "exportfs" reads from /var/lib/nfs/xtab and writes to
+     /var/lib/nfs/xtab.export.
+  b. "mountd" reads from /var/lib/nfs/xtab.export and writes to
+     /var/lib/nfs/xtab.
+
+  The idea is "mountd" doesn't have to read /var/lib/nfs/xtab, which
+  is very expensive.
+
+Changes from knfsd 1.4.3:
+
+1. nfsd-2.2.7-nfsfh.patch, a new kernel patch for filehandle.
+2. nfsd-2.2.7-2.lockd.patch, a new patch for lockd.
+3. Misc bug fixes.
+
+Changes from knfsd 1.4.2:
+
+1. A mountd patch so that the syslog reports unknown requests, and also
+   reports *what* is being (un)mounted, from Piete Brooks
+   <Piete.Brooks@cl.cam.ac.uk>.
+2. Fix knfsd.init for restart.
+3. Add knfslock.init.
+4. knfsd-compat.spec is removed.
+5. nfsd-2.2.7-lockd.patch, a patch to start lockd independent of
+   nfs and nfsd.
+
+Changes from knfsd 1.4.1:
+
+1. Resolve symlink for umount from Piete.Brooks@cl.cam.ac.uk (Piete
+   Brooks)
+2. Fix knfsd.init for statd.
+
+Changes from knfsd 1.4:
+
+1. nfsd-2.2.7-3.patch. This is the only patch you need for Linux 2.2.7
+   to 2.2.10.
+2. Remove
+	nfsd-2.2.5-1.patch
+	nfsd-2.2.5-3.patch
+	nfsd-2.2.8-1.patch
+	nfsd-2.2.7-iget.diff
+	nfsd-2.2.5-nfsfh.diff
+	nfsd-2.2.5-file.patch
+	nfsd-2.2.7-quota.patch
+	nfsd-2.2.7-mknod.patch
+3. Statd update by Jeff Uphoff <juphoff@transmeta.com>.
+4. netgroups patch from Peter Breitenlohner <peb@mppmu.mpg.de>.
+5. Add option checking to exportfs.
+
+Changes from knfsd 1.3.3b:
+
+1. Add linux-2.2.7-sunrpc.patch for a SMP bug in sunrpc.
+2. Add --port/-P to nfsd/mountd, by Jeff Johnson <jbj@redhat.com>.
+3. Add nfsd.8, mountd.8 and statd.man, by Olaf Kirch
+   <okir@monad.swb.de>.
+4. Update nfsstat.man by Olaf Kirch <okir@monad.swb.de>.
+5. Statd fix by Jeff Uphoff <juphoff@transmeta.com>.
+6. Remove knfsd-nok.patch.
+
+Changes from knfsd 1.3.3a:
+
+1. Fix stdin/stdout/stdout handling in mountd.
+2. nfsd-2.2.7-mknod.patch. A patch for mknod.
+3. nfsd-2.2.7-quota.patch. A patch for quota.
+
+Changes from knfsd 1.3.3:
+
+1. Fix hostname matching for wildcard, subnet and netgroup.
+
+Changes from knfsd 1.3.2:
+
+1. Modified mountd to allow clients without IP address to hostname map.
+
+Changes from knfsd 1.3.1a:
+
+1. nfsd-2.2.5-3.patch. This is the only patch you need for Linux 2.2.5.
+
+Changes from knfsd 1.3.1:
+
+1. A patch for knfsd.spec from Markus Linnala <maage@cs.tut.fi>.
+
+Changes from knfsd 1.3a:
+
+1. nfsd-2.2.8-1.patch. This is the only patch you need for Linux 2.2.8.
+2. nfsd-2.2.7-2.patch. This is the only patch you need for Linux 2.2.7.
+
+Changes from knfsd 1.3:
+
+1. Adding "--no-nfs-version 3" to mountd in knfsd.init from RedHat 6.0.
+
+Changes from knfsd 1.2.2a:
+
+1. Updated knfsd.init from RedHat 6.0.
+2. nfsd-2.2.7-1.patch. This is the only patch you need for Linux 2.2.7.
+3. Misc updates from RedHat 6.0.
+
+Changes from knfsd 1.2.2:
+
+1. Make the default NFS server kernel thread to 8 in the rc script.
+
+Changes from knfsd 1.2:
+
+1. Moved knfsd.spec to knfsd-compat.spec.
+2. Update knfsd.spec from knfsd-981204-3.src.rpm.
+3. Fix the squash_[ug]id parsing in /etc/exports from Anders
+   Hammarquist <iko@cd.chalmers.se>.
+4. nfsd-2.2.5-file.patch to clear the bogus bit for MKDIR and SYMLINK.
+5. nfsd-2.2.5-1.patch. A NFS patch based on nfsd-2.2.3-1.patch for
+   Linux 2.2.5.
+
+Changes from knfsd 1.1:
+
+1. Remove
+	cache-2.1.131-1.patch
+	linux-2.1.1xx.diff
+	lock-2.1.131.diff
+	lock-2.1.1xx.diff
+	nfsd-2.1.127-5.patch
+	nullproc-2.1.1xx.diff
+	procfs-2.1.127.patch
+	quota-2.1.1xx.diff
+	root-2.1.1xx.diff
+	socket-2.1.1xx.diff
+	sunrpc-2.1.123-1.patch
+2. locks-2.2.3.diff. A patch for file lock.
+3. nfsd-2.2.3-1.patch. A NFS patch by "G. Allen Morris III"
+(gam3@acm.org).
+
+Changes from knfsd 1.0:
+
+1. Handle broken /var/lib/nfs/rmtab.
+2. Handle lower/upper cases in wildcard hostnames in /etc/exports.
+
+Changes from knfsd-981204:
+
+1. Modify etc/rc.nfsd to check /var/lib/nfs/rmtab during startup.
+2. Add knfsd.spec for RedHat 5. Need nfs-server-2.2beta37-1.1.src.rpm
+   and initscripts-3.78.1-2.src.rpm.
+3. Add support for "make install prefix=...".
+
+Changes from knfsd-981122:
+
+1. Modify etc/rc.nfsd and etc/rc.nfsfs to handle statd during shutdown.
+2. Remove maximum knfsd count checking.
+3. Clean up mountd.
+4. cache-2.1.131-1.patch from G. Allen Morris III (gam3@acm.org).
+5. lock-2.1.131.diff. A nfsd lock patch for Linux 2.1.131.
+
+Changes from knfsd-981113:
+
+1. procfs-2.1.127.patch from G. Allen Morris III (gam3@acm.org).
+2. Modify etc/rc.nfsd and etc/rc.nfsfs to better handle statd.
+3. Fix the sub-mounted directories.
+
+Changes from knfsd-981022:
+
+1. Fix buffer overruns from Peter Benie <pjb1008@cus.cam.ac.uk>.
+2. Fix hostname matching.
+3. Correctly handle dupilcations in /etc/exports.
+4. Add -F flag to statd.
+5. nfsd-2.1.127-5.patch from G. Allen Morris III (gam3@acm.org).
+
+Changes from knfsd-981014:
+
+1. lock-2.1.1xx.diff. A nfsd lock patch.
+2. nullproc-2.1.1xx.diff. Allow any clients to call the nfsd NULL proc.
+3. Add etc/rc.nfsfs to handle statd.
+3. Update etc/rc.nfsd to handle statd.
+4. nfsd-2.1.125-2.patch from G. Allen Morris III (gam3@acm.org).
+5. Fix inet_ntoa usage in statd.
+
+Changes from knfsd-981010:
+
+1. Check client aliases when matching for wildcard client hostnames.
+2. Fix memory leak in mountd.
+3. Fix filename in nfsd-2.1.125-1.patch.
+
+Changes from knfsd-980930:
+
+1. nfsd-2.1.125-1.patch from G. Allen Morris III (gam3@acm.org) and me.
+2. Fix the hostent bugs in mountd and statd.
+3. Remove "kexportfs -au" for "rc.nfsd stop".
+
+Changes from knfsd-980925:
+
+1. socket-2.1.1xx.diff for creating socket on NFS client.
+2. There is a knsfd root_squash patch for Linux 2.1.1xx,
+   root-2.1.1xx.diff. It is only tested on linux 2.1.123.
+   It also fixes the server side 0711 mode bug.
+3. sunrpc-2.1.123-1.patch from Bill Hawes <whawes@transmeta.com>.
+4. nfsd-2.1.122-3.patch from G. Allen Morris III (gam3@acm.org).
+5. Various buffer overrun changes.
+6. Fix mountd to check the duplicated entry in rmtab.
+7. Change exportfs to ignore warnings for "-r".
+8. Fix showmount -e.
+
+Changes from knfsd-980922:
+
+1. nfsd-2.1.121-4.patch from G. Allen Morris III (gam3@acm.org).
+2. Make async as default for export. It matches the user space NFS
+   server.
+
+Changes from knfsd-980920:
+
+1. Add NFS mount version flags to mountd. Change rc.nfsd to disable
+   NFS V3 for mountd.
+2. Fix client hostname.
+3. rc.nfsd runs kexportfs with -r instead of -a for restart and reload.
+
+Changes from knfsd-980915:
+
+1. There is a knsfd quota patch for Linux 2.1.1xx, quota-2.1.1xx.diff.
+   It is only tested on linux 2.1.122.
+2. The submount pathname is removed from the xtab file.
+3. rc.nfsd runs kexportfs with -r instead of -a for start.
+4. Fix kshowmount -e.
+5. Fix hostname matching.
+6. Fix compiling on libc 5.
+
+Changes from knfsd-980910:
+
+1. nfsd-2.1.121-3.patch from G. Allen Morris III (gam3@acm.org).
+2. A new flag, -r, for exportfs.
+3. Don't put an entry in xtab if kernel rejects it.
+4. Use the official hostname when checking if 2 hostnames are the same.
+5. Allow submounts.
+
+It is available at
+
+ftp://ftp.varesearch.com/pub/support/hjl/knfsd/knfsd-1.4.7.tar.gz
+ftp://ftp.varesearch.com/pub/support/hjl/knfsd/knfsd-1.4.6-1.4.7.diff.gz
+ftp://ftp.kernel.org/pub/linux/devel/gcc/knfsd-1.4.7.tar.gz
+ftp://ftp.kernel.org/pub/linux/devel/gcc/knfsd-1.4.6-1.4.7.diff.gz
+
+You have to apply the patch, locks-2.2.3.diff, to the Linux kernel
+first. It fixes quite some file lock bugs. That patch is against Linux
+2.2.3. If your kernel is different, you have to apply it by hand.
+
+nfsd-2.2.3-1.patch is a new knfsd patch against linux 2.2.3 from
+"G. Allen Morris III" (gam3@acm.org). It works for me on x86 and alpha.
+It is needed for the none-Linux NFS clients. You can get Allen's
+current patch from
+
+http://www.CSUA.Berkeley.EDU/~gam3/knfsd/
+
+nfsd-2.2.7-3.patch is based on nfsd-2.2.3-1.patch for Linux 2.2.7. If
+you use Linux 2.2.7, you should apply nfsd-2.2.7-3.patch instead of
+nfsd-2.2.3-1.patch. Please don't use any other patches included here
+for Linux 2.2.7. For other kernel versions, you may have to apply it
+by hand.
+
+nfsd-2.2.7-2.lockd.patch is also necessary to start lockd independent
+of nfs and nfsd.
+
+To compile, just do
+
+# ./configure
+# make
+
+Makefile will try to determine which C library you are using and compile
+this package accordingly.
+
+# make install
+
+will install the knfsd binaries. You have to install a knfs start up
+script by hand. There is a new rc.nfsd in etc. I use it for both the
+user-space nfsd and the kernel nfsd.
+
+There is one RPM spec file, knfs.spec, which is for a Linux system
+based on Linux 2.2 without support for Linux 2.0. You also need
+knfsd-1.4.6.tar.gz to create the knfsd RPMs.
+
+Thanks.
+
+H.J.
+hjl@lucon.org
+08/14/99
diff --git a/linux-nfs/README b/linux-nfs/README
new file mode 100644
index 0000000..b210c61
--- /dev/null
+++ b/linux-nfs/README
@@ -0,0 +1,56 @@
+
+This package contains a greatly revised NFS implementation for Linux
+along with the necessary daemons and utilities. There are still several
+features missing that I'd want to include, and there are some recent
+improvements to the Linux NFS kernel client not reflected here (notably
+the attrtimeo fix).
+
+This thing has become much too large for me to handle all alone anymore.
+Originally, I had planned to have most of the NFS implementation running
+stably by August, so I could start to concentrate more on other jobs that
+are currently in the queue (like updating the NAG). As it turned out, it
+was much more work than I anticipated, and I fell short of my time goal.
+I'm therefore looking for volunteers who would like to work with me on
+finishing this package. Otherwise, this project could end up rusting in
+the corner of some FTP site...
+
+Ideally, I would want to hand over parts of the source tree to other
+hackers to maintain/enhance/etc. But that's not a requirement; if you
+feel you don't have that much time, you can also contribute by picking
+up one of the loose ends and finish what needs to be done (take a look
+at the TODO file...) And then, you can also be plainly a tester.
+
+There's currently a mailing list for lockd development at NRAO
+(lockd-statd@linux.nrao.edu --- mail majordomo@linux.nrao.edu to
+subscribe). If Jeff agress, we could turn this into a general linux-nfs
+mailing list.
+
+
+Hope this covers about what I wanted to say,
+Olaf
+
+------------------------------------------------------------------
+
+
+			SOURCE TREE OVERVIEW
+
+
+
+support/	Support libraries for user-space programs
+
+support/nfs	Generic library for nfsd utilities
+support/export	Manipulation of /etc/exports and /var/lib/nfs/{xtab,rmtab}
+
+utils/		Code for various user-space programs.
+utils/exportfs	Management of nfsd export table.
+utils/mount	Modified mount command to support NFS over TCP.
+utils/mountd	New rpc.mountd for kernel nfsd.
+utils/nfsd	New nfsd (just starts kernel nfsd).
+utils/nfsstat	Pretty-print NFS stats from /proc/net/rpc/nfs*
+utils/rquotad	Marco van Wieringen's rquotad
+utils/showmount	Rick Sladkey's showmount client
+utils/statd	Jeff Uphoff's rpc.statd.
+
+tools/		Support tools for developers/debuggers/testers
+tools/rpcdebug	This one sets/gets the debug flags for each of the kernel
+		modules.
diff --git a/linux-nfs/THANKS b/linux-nfs/THANKS
new file mode 100644
index 0000000..22a80dc
--- /dev/null
+++ b/linux-nfs/THANKS
@@ -0,0 +1,10 @@
+
+	This piece of software owes a lot to all the people who
+	hacked on Linux NFS before me, most notably Rick Sladkey
+	and Donald Becker.
+
+	I also wish to thank Holger Grothe for loaning me a hard
+	disk and a monitor to get my old 486 flying again so I have
+	a decentish test platform.
+
+	Olaf
diff --git a/linux-nfs/TODO b/linux-nfs/TODO
new file mode 100644
index 0000000..3a439d4
--- /dev/null
+++ b/linux-nfs/TODO
@@ -0,0 +1,121 @@
+
+Todo/Status List for Linux-NFS
+
+ *	denotes to be done;
+ o	denotes draft implementation, possibly commented out
+ -	denotes done,
+ +	denotes done and tested
+------------------------------------------------------------------
+
+RPC:
+
+ *	Server-side AUTH_DES authentication
+
+NFS:
+
+ *	stat() calls don't check whether the cached attrs are stil valid
+	(this is a problem in the VFS).
+ -	NFS_ROOT stuff needs fixing.
+ o	Swapping over NFS.
+
+	Issues of swapout:
+	 *	Avoid recursion in low memory situations where
+		kmalloc may call try_to_swap_out etc ad inf.
+	 *	Don't do async I/O on swap files.
+
+	For special-casing related to NFS swap I/O, flag swap file 
+	semantics in inode->i_flags. In swapfile.c, change functions
+	to call readpage/writepage if available, otherwise proceed
+	as usual.
+
+ -	Write-back support.
+ *	Disable page cache invalidation/flushing for locked file
+	regions.
+ -	Directory caching (we now have page-sized dircache entries
+	which could easily be organized into a linked list). These
+	dircache pages come along as a linked list that can be copied
+	almost 1-to-1 into a dirent struct. If this is put into the
+	VFS, other remote fs's will also benefit.
+
+	[Note: I just increased the readdir cache to hold more than
+	one directory. With this, the exclusive lock on readdir goes
+	away, too. With a larger cache, it may also be worth to think
+	about directory readahead...]
+ *	Better lookup caching?
+ *	When a read lock is present, don't time out attr cache or
+	page cache for that region. Likewise, if a write lock is present,
+	be lazy on write-back.
+ *	Implement CTO.
+ -	BUG: Invalidate readdir cache after remove/rename/unlink
+ *	Automatic `mounting' when the server crosses mount points
+	transparently (some IRIX machines seem to do this when
+	using -nohide).
+ *	NFSv3 support. This requires careful design to maximize
+	code sharing between NFSv2 and NFSv3.
+ *	More robust rename handling (see comment before nfs_rename).
+ *	Add Miquel's O_EXCL hack for file creation.
+ *	Performance improvement: When a complete reply is received, and
+	the (async) task is woken up, don't put it on rpciod's scheduling
+	queue, but add it to a `fast scheduler queue.' The fast scheduler
+	could be a special handler that's registered on the tq_scheduler task
+	queue. This queue is fired by the kernel scheduler as soon as
+	the other bottom halves have been run.
+
+	Note that implementing this for sync tasks is even trickier than
+	for async tasks, because you have to make sure you do the right
+	thing in rpc_sleep_on().
+ *	writeback of writable mmaps. Dirty pages are not subject to
+	writeback scheduling. Also, msync should make sure pages are
+	written with O_SYNC on.
+
+
+nfsd:
+
+ *	uid/gid mapping, and rpc.ugidd support
+ -	Don't read/write a file that might have mandatory locks.
+ *	Implement secure/kerberos export options (take care of lockd
+	fopen() calls--most clients seem to use NULL creds for lockd).
+ -	there's a bug in readdir wrt large directories. Try mounting
+	the linux source tree and do an ls on include/linux...
+ *	Support for UNIX socket creation.
+ *	Someone should look over the error return codes. I tend to
+	mix up EPERM and EACCES.
+ *	NFSv3 support.
+ -	Refuse to look up inodes in procfs (security issues).
+ o	Delayed writes (delay syncing of file data when nfsd handles
+	several write requests for the same file concurrently).
+	(Draft - see nfsd_write in fs/nfsd/write.c. Needs benchmarking).
+ *	Faster read operations (single copy): mmap the file region
+	to be read into VM, and pass the VMA to the xdr routines
+	which pass the region's VM address into sock->ops->writemsg.
+	This copies the file data directly from the page cache into
+	the network buffer.
+	Release the vma region after encoding.
+ *	Faster write operations (single copy, with IPv6 net layout):
+	Get the unfragmented UDP datagram, pull the header and
+	do normal processing. Then mmap the file, copy the write data,
+	and release VMA.
+ -	Clear setuid/setgid bit after write().
+ *	Quota support.
+
+lockd:
+
+ *	Server should run on privileged port.
+ *	Testing reclaim support.
+ *	HP lockd accepts our GRANT_MSG callback and passes on the grant
+	to the blocking process, but doesn't reply with a GRANT_RES. 
+	It's not clear to me why it would do this.
+ *	Unregister hosts (SM_UNMON) with rpc.statd when appropriate.
+
+mountd
+
+ *	Unregister service from portmapper upon exit/SIGTERM
+
+mount
+
+ *	If available, use version 3 of the mount protocol and
+	obtain pathconf data (fill in data->bsize).
+
+documentation:
+
+ -	Manpages need to be written
diff --git a/ltmain.sh b/ltmain.sh
new file mode 100644
index 0000000..49fcad1
--- /dev/null
+++ b/ltmain.sh
@@ -0,0 +1,11429 @@
+#! /usr/bin/env sh
+## DO NOT EDIT - This file generated from ./build-aux/ltmain.in
+##               by inline-source v2019-02-19.15
+
+# libtool (GNU libtool) 2.4.7
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+
+# Copyright (C) 1996-2019, 2021-2022 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+PROGRAM=libtool
+PACKAGE=libtool
+VERSION=2.4.7
+package_revision=2.4.7
+
+
+## ------ ##
+## Usage. ##
+## ------ ##
+
+# Run './libtool --help' for help with using this script from the
+# command line.
+
+
+## ------------------------------- ##
+## User overridable command paths. ##
+## ------------------------------- ##
+
+# After configure completes, it has a better idea of some of the
+# shell tools we need than the defaults used by the functions shared
+# with bootstrap, so set those here where they can still be over-
+# ridden by the user, but otherwise take precedence.
+
+: ${AUTOCONF="autoconf"}
+: ${AUTOMAKE="automake"}
+
+
+## -------------------------- ##
+## Source external libraries. ##
+## -------------------------- ##
+
+# Much of our low-level functionality needs to be sourced from external
+# libraries, which are installed to $pkgauxdir.
+
+# Set a version string for this script.
+scriptversion=2019-02-19.15; # UTC
+
+# General shell script boiler plate, and helper functions.
+# Written by Gary V. Vaughan, 2004
+
+# This is free software.  There is NO warranty; not even for
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# Copyright (C) 2004-2019, 2021 Bootstrap Authors
+#
+# This file is dual licensed under the terms of the MIT license
+# <https://opensource.org/license/MIT>, and GPL version 2 or later
+# <http://www.gnu.org/licenses/gpl-2.0.html>.  You must apply one of
+# these licenses when using or redistributing this software or any of
+# the files within it.  See the URLs above, or the file `LICENSE`
+# included in the Bootstrap distribution for the full license texts.
+
+# Please report bugs or propose patches to:
+# <https://github.com/gnulib-modules/bootstrap/issues>
+
+
+## ------ ##
+## Usage. ##
+## ------ ##
+
+# Evaluate this file near the top of your script to gain access to
+# the functions and variables defined here:
+#
+#   . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh
+#
+# If you need to override any of the default environment variable
+# settings, do that before evaluating this file.
+
+
+## -------------------- ##
+## Shell normalisation. ##
+## -------------------- ##
+
+# Some shells need a little help to be as Bourne compatible as possible.
+# Before doing anything else, make sure all that help has been provided!
+
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac
+fi
+
+# NLS nuisances: We save the old values in case they are required later.
+_G_user_locale=
+_G_safe_locale=
+for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+  eval "if test set = \"\${$_G_var+set}\"; then
+          save_$_G_var=\$$_G_var
+          $_G_var=C
+	  export $_G_var
+	  _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\"
+	  _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\"
+	fi"
+done
+# These NLS vars are set unconditionally (bootstrap issue #24).  Unset those
+# in case the environment reset is needed later and the $save_* variant is not
+# defined (see the code above).
+LC_ALL=C
+LANGUAGE=C
+export LANGUAGE LC_ALL
+
+# Make sure IFS has a sensible default
+sp=' '
+nl='
+'
+IFS="$sp	$nl"
+
+# There are apparently some retarded systems that use ';' as a PATH separator!
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# func_unset VAR
+# --------------
+# Portably unset VAR.
+# In some shells, an 'unset VAR' statement leaves a non-zero return
+# status if VAR is already unset, which might be problematic if the
+# statement is used at the end of a function (thus poisoning its return
+# value) or when 'set -e' is active (causing even a spurious abort of
+# the script in this case).
+func_unset ()
+{
+    { eval $1=; (eval unset $1) >/dev/null 2>&1 && eval unset $1 || : ; }
+}
+
+
+# Make sure CDPATH doesn't cause `cd` commands to output the target dir.
+func_unset CDPATH
+
+# Make sure ${,E,F}GREP behave sanely.
+func_unset GREP_OPTIONS
+
+
+## ------------------------- ##
+## Locate command utilities. ##
+## ------------------------- ##
+
+
+# func_executable_p FILE
+# ----------------------
+# Check that FILE is an executable regular file.
+func_executable_p ()
+{
+    test -f "$1" && test -x "$1"
+}
+
+
+# func_path_progs PROGS_LIST CHECK_FUNC [PATH]
+# --------------------------------------------
+# Search for either a program that responds to --version with output
+# containing "GNU", or else returned by CHECK_FUNC otherwise, by
+# trying all the directories in PATH with each of the elements of
+# PROGS_LIST.
+#
+# CHECK_FUNC should accept the path to a candidate program, and
+# set $func_check_prog_result if it truncates its output less than
+# $_G_path_prog_max characters.
+func_path_progs ()
+{
+    _G_progs_list=$1
+    _G_check_func=$2
+    _G_PATH=${3-"$PATH"}
+
+    _G_path_prog_max=0
+    _G_path_prog_found=false
+    _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:}
+    for _G_dir in $_G_PATH; do
+      IFS=$_G_save_IFS
+      test -z "$_G_dir" && _G_dir=.
+      for _G_prog_name in $_G_progs_list; do
+        for _exeext in '' .EXE; do
+          _G_path_prog=$_G_dir/$_G_prog_name$_exeext
+          func_executable_p "$_G_path_prog" || continue
+          case `"$_G_path_prog" --version 2>&1` in
+            *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;;
+            *)     $_G_check_func $_G_path_prog
+		   func_path_progs_result=$func_check_prog_result
+		   ;;
+          esac
+          $_G_path_prog_found && break 3
+        done
+      done
+    done
+    IFS=$_G_save_IFS
+    test -z "$func_path_progs_result" && {
+      echo "no acceptable sed could be found in \$PATH" >&2
+      exit 1
+    }
+}
+
+
+# We want to be able to use the functions in this file before configure
+# has figured out where the best binaries are kept, which means we have
+# to search for them ourselves - except when the results are already set
+# where we skip the searches.
+
+# Unless the user overrides by setting SED, search the path for either GNU
+# sed, or the sed that truncates its output the least.
+test -z "$SED" && {
+  _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+  for _G_i in 1 2 3 4 5 6 7; do
+    _G_sed_script=$_G_sed_script$nl$_G_sed_script
+  done
+  echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed
+  _G_sed_script=
+
+  func_check_prog_sed ()
+  {
+    _G_path_prog=$1
+
+    _G_count=0
+    printf 0123456789 >conftest.in
+    while :
+    do
+      cat conftest.in conftest.in >conftest.tmp
+      mv conftest.tmp conftest.in
+      cp conftest.in conftest.nl
+      echo '' >> conftest.nl
+      "$_G_path_prog" -f conftest.sed <conftest.nl >conftest.out 2>/dev/null || break
+      diff conftest.out conftest.nl >/dev/null 2>&1 || break
+      _G_count=`expr $_G_count + 1`
+      if test "$_G_count" -gt "$_G_path_prog_max"; then
+        # Best one so far, save it but keep looking for a better one
+        func_check_prog_result=$_G_path_prog
+        _G_path_prog_max=$_G_count
+      fi
+      # 10*(2^10) chars as input seems more than enough
+      test 10 -lt "$_G_count" && break
+    done
+    rm -f conftest.in conftest.tmp conftest.nl conftest.out
+  }
+
+  func_path_progs "sed gsed" func_check_prog_sed "$PATH:/usr/xpg4/bin"
+  rm -f conftest.sed
+  SED=$func_path_progs_result
+}
+
+
+# Unless the user overrides by setting GREP, search the path for either GNU
+# grep, or the grep that truncates its output the least.
+test -z "$GREP" && {
+  func_check_prog_grep ()
+  {
+    _G_path_prog=$1
+
+    _G_count=0
+    _G_path_prog_max=0
+    printf 0123456789 >conftest.in
+    while :
+    do
+      cat conftest.in conftest.in >conftest.tmp
+      mv conftest.tmp conftest.in
+      cp conftest.in conftest.nl
+      echo 'GREP' >> conftest.nl
+      "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' <conftest.nl >conftest.out 2>/dev/null || break
+      diff conftest.out conftest.nl >/dev/null 2>&1 || break
+      _G_count=`expr $_G_count + 1`
+      if test "$_G_count" -gt "$_G_path_prog_max"; then
+        # Best one so far, save it but keep looking for a better one
+        func_check_prog_result=$_G_path_prog
+        _G_path_prog_max=$_G_count
+      fi
+      # 10*(2^10) chars as input seems more than enough
+      test 10 -lt "$_G_count" && break
+    done
+    rm -f conftest.in conftest.tmp conftest.nl conftest.out
+  }
+
+  func_path_progs "grep ggrep" func_check_prog_grep "$PATH:/usr/xpg4/bin"
+  GREP=$func_path_progs_result
+}
+
+
+## ------------------------------- ##
+## User overridable command paths. ##
+## ------------------------------- ##
+
+# All uppercase variable names are used for environment variables.  These
+# variables can be overridden by the user before calling a script that
+# uses them if a suitable command of that name is not already available
+# in the command search PATH.
+
+: ${CP="cp -f"}
+: ${ECHO="printf %s\n"}
+: ${EGREP="$GREP -E"}
+: ${FGREP="$GREP -F"}
+: ${LN_S="ln -s"}
+: ${MAKE="make"}
+: ${MKDIR="mkdir"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
+
+
+## -------------------- ##
+## Useful sed snippets. ##
+## -------------------- ##
+
+sed_dirname='s|/[^/]*$||'
+sed_basename='s|^.*/||'
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='s|\([`"$\\]\)|\\\1|g'
+
+# Same as above, but do not quote variable references.
+sed_double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution that turns a string into a regex matching for the
+# string literally.
+sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g'
+
+# Sed substitution that converts a w32 file name or path
+# that contains forward slashes, into one that contains
+# (escaped) backslashes.  A very naive implementation.
+sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+
+# Re-'\' parameter expansions in output of sed_double_quote_subst that
+# were '\'-ed in input to the same.  If an odd number of '\' preceded a
+# '$' in input to sed_double_quote_subst, that '$' was protected from
+# expansion.  Since each input '\' is now two '\'s, look for any number
+# of runs of four '\'s followed by two '\'s and then a '$'.  '\' that '$'.
+_G_bs='\\'
+_G_bs2='\\\\'
+_G_bs4='\\\\\\\\'
+_G_dollar='\$'
+sed_double_backslash="\
+  s/$_G_bs4/&\\
+/g
+  s/^$_G_bs2$_G_dollar/$_G_bs&/
+  s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g
+  s/\n//g"
+
+# require_check_ifs_backslash
+# ---------------------------
+# Check if we can use backslash as IFS='\' separator, and set
+# $check_ifs_backshlash_broken to ':' or 'false'.
+require_check_ifs_backslash=func_require_check_ifs_backslash
+func_require_check_ifs_backslash ()
+{
+  _G_save_IFS=$IFS
+  IFS='\'
+  _G_check_ifs_backshlash='a\\b'
+  for _G_i in $_G_check_ifs_backshlash
+  do
+  case $_G_i in
+  a)
+    check_ifs_backshlash_broken=false
+    ;;
+  '')
+    break
+    ;;
+  *)
+    check_ifs_backshlash_broken=:
+    break
+    ;;
+  esac
+  done
+  IFS=$_G_save_IFS
+  require_check_ifs_backslash=:
+}
+
+
+## ----------------- ##
+## Global variables. ##
+## ----------------- ##
+
+# Except for the global variables explicitly listed below, the following
+# functions in the '^func_' namespace, and the '^require_' namespace
+# variables initialised in the 'Resource management' section, sourcing
+# this file will not pollute your global namespace with anything
+# else. There's no portable way to scope variables in Bourne shell
+# though, so actually running these functions will sometimes place
+# results into a variable named after the function, and often use
+# temporary variables in the '^_G_' namespace. If you are careful to
+# avoid using those namespaces casually in your sourcing script, things
+# should continue to work as you expect. And, of course, you can freely
+# overwrite any of the functions or variables defined here before
+# calling anything to customize them.
+
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+EXIT_MISMATCH=63  # $? = 63 is used to indicate version mismatch to missing.
+EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
+
+# Allow overriding, eg assuming that you follow the convention of
+# putting '$debug_cmd' at the start of all your functions, you can get
+# bash to show function call trace with:
+#
+#    debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name
+debug_cmd=${debug_cmd-":"}
+exit_cmd=:
+
+# By convention, finish your script with:
+#
+#    exit $exit_status
+#
+# so that you can set exit_status to non-zero if you want to indicate
+# something went wrong during execution without actually bailing out at
+# the point of failure.
+exit_status=$EXIT_SUCCESS
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath=$0
+
+# The name of this program.
+progname=`$ECHO "$progpath" |$SED "$sed_basename"`
+
+# Make sure we have an absolute progpath for reexecution:
+case $progpath in
+  [\\/]*|[A-Za-z]:\\*) ;;
+  *[\\/]*)
+     progdir=`$ECHO "$progpath" |$SED "$sed_dirname"`
+     progdir=`cd "$progdir" && pwd`
+     progpath=$progdir/$progname
+     ;;
+  *)
+     _G_IFS=$IFS
+     IFS=${PATH_SEPARATOR-:}
+     for progdir in $PATH; do
+       IFS=$_G_IFS
+       test -x "$progdir/$progname" && break
+     done
+     IFS=$_G_IFS
+     test -n "$progdir" || progdir=`pwd`
+     progpath=$progdir/$progname
+     ;;
+esac
+
+
+## ----------------- ##
+## Standard options. ##
+## ----------------- ##
+
+# The following options affect the operation of the functions defined
+# below, and should be set appropriately depending on run-time para-
+# meters passed on the command line.
+
+opt_dry_run=false
+opt_quiet=false
+opt_verbose=false
+
+# Categories 'all' and 'none' are always available.  Append any others
+# you will pass as the first argument to func_warning from your own
+# code.
+warning_categories=
+
+# By default, display warnings according to 'opt_warning_types'.  Set
+# 'warning_func'  to ':' to elide all warnings, or func_fatal_error to
+# treat the next displayed warning as a fatal error.
+warning_func=func_warn_and_continue
+
+# Set to 'all' to display all warnings, 'none' to suppress all
+# warnings, or a space delimited list of some subset of
+# 'warning_categories' to display only the listed warnings.
+opt_warning_types=all
+
+
+## -------------------- ##
+## Resource management. ##
+## -------------------- ##
+
+# This section contains definitions for functions that each ensure a
+# particular resource (a file, or a non-empty configuration variable for
+# example) is available, and if appropriate to extract default values
+# from pertinent package files. Call them using their associated
+# 'require_*' variable to ensure that they are executed, at most, once.
+#
+# It's entirely deliberate that calling these functions can set
+# variables that don't obey the namespace limitations obeyed by the rest
+# of this file, in order that that they be as useful as possible to
+# callers.
+
+
+# require_term_colors
+# -------------------
+# Allow display of bold text on terminals that support it.
+require_term_colors=func_require_term_colors
+func_require_term_colors ()
+{
+    $debug_cmd
+
+    test -t 1 && {
+      # COLORTERM and USE_ANSI_COLORS environment variables take
+      # precedence, because most terminfo databases neglect to describe
+      # whether color sequences are supported.
+      test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"}
+
+      if test 1 = "$USE_ANSI_COLORS"; then
+        # Standard ANSI escape sequences
+        tc_reset=''
+        tc_bold='';   tc_standout=''
+        tc_red='';   tc_green=''
+        tc_blue='';  tc_cyan=''
+      else
+        # Otherwise trust the terminfo database after all.
+        test -n "`tput sgr0 2>/dev/null`" && {
+          tc_reset=`tput sgr0`
+          test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold`
+          tc_standout=$tc_bold
+          test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso`
+          test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1`
+          test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2`
+          test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4`
+          test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5`
+        }
+      fi
+    }
+
+    require_term_colors=:
+}
+
+
+## ----------------- ##
+## Function library. ##
+## ----------------- ##
+
+# This section contains a variety of useful functions to call in your
+# scripts. Take note of the portable wrappers for features provided by
+# some modern shells, which will fall back to slower equivalents on
+# less featureful shells.
+
+
+# func_append VAR VALUE
+# ---------------------
+# Append VALUE onto the existing contents of VAR.
+
+  # We should try to minimise forks, especially on Windows where they are
+  # unreasonably slow, so skip the feature probes when bash or zsh are
+  # being used:
+  if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then
+    : ${_G_HAVE_ARITH_OP="yes"}
+    : ${_G_HAVE_XSI_OPS="yes"}
+    # The += operator was introduced in bash 3.1
+    case $BASH_VERSION in
+      [12].* | 3.0 | 3.0*) ;;
+      *)
+        : ${_G_HAVE_PLUSEQ_OP="yes"}
+        ;;
+    esac
+  fi
+
+  # _G_HAVE_PLUSEQ_OP
+  # Can be empty, in which case the shell is probed, "yes" if += is
+  # useable or anything else if it does not work.
+  test -z "$_G_HAVE_PLUSEQ_OP" \
+    && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \
+    && _G_HAVE_PLUSEQ_OP=yes
+
+if test yes = "$_G_HAVE_PLUSEQ_OP"
+then
+  # This is an XSI compatible shell, allowing a faster implementation...
+  eval 'func_append ()
+  {
+    $debug_cmd
+
+    eval "$1+=\$2"
+  }'
+else
+  # ...otherwise fall back to using expr, which is often a shell builtin.
+  func_append ()
+  {
+    $debug_cmd
+
+    eval "$1=\$$1\$2"
+  }
+fi
+
+
+# func_append_quoted VAR VALUE
+# ----------------------------
+# Quote VALUE and append to the end of shell variable VAR, separated
+# by a space.
+if test yes = "$_G_HAVE_PLUSEQ_OP"; then
+  eval 'func_append_quoted ()
+  {
+    $debug_cmd
+
+    func_quote_arg pretty "$2"
+    eval "$1+=\\ \$func_quote_arg_result"
+  }'
+else
+  func_append_quoted ()
+  {
+    $debug_cmd
+
+    func_quote_arg pretty "$2"
+    eval "$1=\$$1\\ \$func_quote_arg_result"
+  }
+fi
+
+
+# func_append_uniq VAR VALUE
+# --------------------------
+# Append unique VALUE onto the existing contents of VAR, assuming
+# entries are delimited by the first character of VALUE.  For example:
+#
+#   func_append_uniq options " --another-option option-argument"
+#
+# will only append to $options if " --another-option option-argument "
+# is not already present somewhere in $options already (note spaces at
+# each end implied by leading space in second argument).
+func_append_uniq ()
+{
+    $debug_cmd
+
+    eval _G_current_value='`$ECHO $'$1'`'
+    _G_delim=`expr "$2" : '\(.\)'`
+
+    case $_G_delim$_G_current_value$_G_delim in
+      *"$2$_G_delim"*) ;;
+      *) func_append "$@" ;;
+    esac
+}
+
+
+# func_arith TERM...
+# ------------------
+# Set func_arith_result to the result of evaluating TERMs.
+  test -z "$_G_HAVE_ARITH_OP" \
+    && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \
+    && _G_HAVE_ARITH_OP=yes
+
+if test yes = "$_G_HAVE_ARITH_OP"; then
+  eval 'func_arith ()
+  {
+    $debug_cmd
+
+    func_arith_result=$(( $* ))
+  }'
+else
+  func_arith ()
+  {
+    $debug_cmd
+
+    func_arith_result=`expr "$@"`
+  }
+fi
+
+
+# func_basename FILE
+# ------------------
+# Set func_basename_result to FILE with everything up to and including
+# the last / stripped.
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  # If this shell supports suffix pattern removal, then use it to avoid
+  # forking. Hide the definitions single quotes in case the shell chokes
+  # on unsupported syntax...
+  _b='func_basename_result=${1##*/}'
+  _d='case $1 in
+        */*) func_dirname_result=${1%/*}$2 ;;
+        *  ) func_dirname_result=$3        ;;
+      esac'
+
+else
+  # ...otherwise fall back to using sed.
+  _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`'
+  _d='func_dirname_result=`$ECHO "$1"  |$SED "$sed_dirname"`
+      if test "X$func_dirname_result" = "X$1"; then
+        func_dirname_result=$3
+      else
+        func_append func_dirname_result "$2"
+      fi'
+fi
+
+eval 'func_basename ()
+{
+    $debug_cmd
+
+    '"$_b"'
+}'
+
+
+# func_dirname FILE APPEND NONDIR_REPLACEMENT
+# -------------------------------------------
+# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+eval 'func_dirname ()
+{
+    $debug_cmd
+
+    '"$_d"'
+}'
+
+
+# func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT
+# --------------------------------------------------------
+# Perform func_basename and func_dirname in a single function
+# call:
+#   dirname:  Compute the dirname of FILE.  If nonempty,
+#             add APPEND to the result, otherwise set result
+#             to NONDIR_REPLACEMENT.
+#             value returned in "$func_dirname_result"
+#   basename: Compute filename of FILE.
+#             value retuned in "$func_basename_result"
+# For efficiency, we do not delegate to the functions above but instead
+# duplicate the functionality here.
+eval 'func_dirname_and_basename ()
+{
+    $debug_cmd
+
+    '"$_b"'
+    '"$_d"'
+}'
+
+
+# func_echo ARG...
+# ----------------
+# Echo program name prefixed message.
+func_echo ()
+{
+    $debug_cmd
+
+    _G_message=$*
+
+    func_echo_IFS=$IFS
+    IFS=$nl
+    for _G_line in $_G_message; do
+      IFS=$func_echo_IFS
+      $ECHO "$progname: $_G_line"
+    done
+    IFS=$func_echo_IFS
+}
+
+
+# func_echo_all ARG...
+# --------------------
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*"
+}
+
+
+# func_echo_infix_1 INFIX ARG...
+# ------------------------------
+# Echo program name, followed by INFIX on the first line, with any
+# additional lines not showing INFIX.
+func_echo_infix_1 ()
+{
+    $debug_cmd
+
+    $require_term_colors
+
+    _G_infix=$1; shift
+    _G_indent=$_G_infix
+    _G_prefix="$progname: $_G_infix: "
+    _G_message=$*
+
+    # Strip color escape sequences before counting printable length
+    for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan"
+    do
+      test -n "$_G_tc" && {
+        _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"`
+        _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"`
+      }
+    done
+    _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`"  " ## exclude from sc_prohibit_nested_quotes
+
+    func_echo_infix_1_IFS=$IFS
+    IFS=$nl
+    for _G_line in $_G_message; do
+      IFS=$func_echo_infix_1_IFS
+      $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2
+      _G_prefix=$_G_indent
+    done
+    IFS=$func_echo_infix_1_IFS
+}
+
+
+# func_error ARG...
+# -----------------
+# Echo program name prefixed message to standard error.
+func_error ()
+{
+    $debug_cmd
+
+    $require_term_colors
+
+    func_echo_infix_1 "  $tc_standout${tc_red}error$tc_reset" "$*" >&2
+}
+
+
+# func_fatal_error ARG...
+# -----------------------
+# Echo program name prefixed message to standard error, and exit.
+func_fatal_error ()
+{
+    $debug_cmd
+
+    func_error "$*"
+    exit $EXIT_FAILURE
+}
+
+
+# func_grep EXPRESSION FILENAME
+# -----------------------------
+# Check whether EXPRESSION matches any line of FILENAME, without output.
+func_grep ()
+{
+    $debug_cmd
+
+    $GREP "$1" "$2" >/dev/null 2>&1
+}
+
+
+# func_len STRING
+# ---------------
+# Set func_len_result to the length of STRING. STRING may not
+# start with a hyphen.
+  test -z "$_G_HAVE_XSI_OPS" \
+    && (eval 'x=a/b/c;
+      test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \
+    && _G_HAVE_XSI_OPS=yes
+
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  eval 'func_len ()
+  {
+    $debug_cmd
+
+    func_len_result=${#1}
+  }'
+else
+  func_len ()
+  {
+    $debug_cmd
+
+    func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len`
+  }
+fi
+
+
+# func_mkdir_p DIRECTORY-PATH
+# ---------------------------
+# Make sure the entire path to DIRECTORY-PATH is available.
+func_mkdir_p ()
+{
+    $debug_cmd
+
+    _G_directory_path=$1
+    _G_dir_list=
+
+    if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then
+
+      # Protect directory names starting with '-'
+      case $_G_directory_path in
+        -*) _G_directory_path=./$_G_directory_path ;;
+      esac
+
+      # While some portion of DIR does not yet exist...
+      while test ! -d "$_G_directory_path"; do
+        # ...make a list in topmost first order.  Use a colon delimited
+	# list incase some portion of path contains whitespace.
+        _G_dir_list=$_G_directory_path:$_G_dir_list
+
+        # If the last portion added has no slash in it, the list is done
+        case $_G_directory_path in */*) ;; *) break ;; esac
+
+        # ...otherwise throw away the child directory and loop
+        _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"`
+      done
+      _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'`
+
+      func_mkdir_p_IFS=$IFS; IFS=:
+      for _G_dir in $_G_dir_list; do
+	IFS=$func_mkdir_p_IFS
+        # mkdir can fail with a 'File exist' error if two processes
+        # try to create one of the directories concurrently.  Don't
+        # stop in that case!
+        $MKDIR "$_G_dir" 2>/dev/null || :
+      done
+      IFS=$func_mkdir_p_IFS
+
+      # Bail out if we (or some other process) failed to create a directory.
+      test -d "$_G_directory_path" || \
+        func_fatal_error "Failed to create '$1'"
+    fi
+}
+
+
+# func_mktempdir [BASENAME]
+# -------------------------
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible.  If
+# given, BASENAME is the basename for that directory.
+func_mktempdir ()
+{
+    $debug_cmd
+
+    _G_template=${TMPDIR-/tmp}/${1-$progname}
+
+    if test : = "$opt_dry_run"; then
+      # Return a directory name, but don't create it in dry-run mode
+      _G_tmpdir=$_G_template-$$
+    else
+
+      # If mktemp works, use that first and foremost
+      _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null`
+
+      if test ! -d "$_G_tmpdir"; then
+        # Failing that, at least try and use $RANDOM to avoid a race
+        _G_tmpdir=$_G_template-${RANDOM-0}$$
+
+        func_mktempdir_umask=`umask`
+        umask 0077
+        $MKDIR "$_G_tmpdir"
+        umask $func_mktempdir_umask
+      fi
+
+      # If we're not in dry-run mode, bomb out on failure
+      test -d "$_G_tmpdir" || \
+        func_fatal_error "cannot create temporary directory '$_G_tmpdir'"
+    fi
+
+    $ECHO "$_G_tmpdir"
+}
+
+
+# func_normal_abspath PATH
+# ------------------------
+# Remove doubled-up and trailing slashes, "." path components,
+# and cancel out any ".." path components in PATH after making
+# it an absolute path.
+func_normal_abspath ()
+{
+    $debug_cmd
+
+    # These SED scripts presuppose an absolute path with a trailing slash.
+    _G_pathcar='s|^/\([^/]*\).*$|\1|'
+    _G_pathcdr='s|^/[^/]*||'
+    _G_removedotparts=':dotsl
+		s|/\./|/|g
+		t dotsl
+		s|/\.$|/|'
+    _G_collapseslashes='s|/\{1,\}|/|g'
+    _G_finalslash='s|/*$|/|'
+
+    # Start from root dir and reassemble the path.
+    func_normal_abspath_result=
+    func_normal_abspath_tpath=$1
+    func_normal_abspath_altnamespace=
+    case $func_normal_abspath_tpath in
+      "")
+        # Empty path, that just means $cwd.
+        func_stripname '' '/' "`pwd`"
+        func_normal_abspath_result=$func_stripname_result
+        return
+        ;;
+      # The next three entries are used to spot a run of precisely
+      # two leading slashes without using negated character classes;
+      # we take advantage of case's first-match behaviour.
+      ///*)
+        # Unusual form of absolute path, do nothing.
+        ;;
+      //*)
+        # Not necessarily an ordinary path; POSIX reserves leading '//'
+        # and for example Cygwin uses it to access remote file shares
+        # over CIFS/SMB, so we conserve a leading double slash if found.
+        func_normal_abspath_altnamespace=/
+        ;;
+      /*)
+        # Absolute path, do nothing.
+        ;;
+      *)
+        # Relative path, prepend $cwd.
+        func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
+        ;;
+    esac
+
+    # Cancel out all the simple stuff to save iterations.  We also want
+    # the path to end with a slash for ease of parsing, so make sure
+    # there is one (and only one) here.
+    func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+          -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"`
+    while :; do
+      # Processed it all yet?
+      if test / = "$func_normal_abspath_tpath"; then
+        # If we ascended to the root using ".." the result may be empty now.
+        if test -z "$func_normal_abspath_result"; then
+          func_normal_abspath_result=/
+        fi
+        break
+      fi
+      func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
+          -e "$_G_pathcar"`
+      func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+          -e "$_G_pathcdr"`
+      # Figure out what to do with it
+      case $func_normal_abspath_tcomponent in
+        "")
+          # Trailing empty path component, ignore it.
+          ;;
+        ..)
+          # Parent dir; strip last assembled component from result.
+          func_dirname "$func_normal_abspath_result"
+          func_normal_abspath_result=$func_dirname_result
+          ;;
+        *)
+          # Actual path component, append it.
+          func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent"
+          ;;
+      esac
+    done
+    # Restore leading double-slash if one was found on entry.
+    func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
+}
+
+
+# func_notquiet ARG...
+# --------------------
+# Echo program name prefixed message only when not in quiet mode.
+func_notquiet ()
+{
+    $debug_cmd
+
+    $opt_quiet || func_echo ${1+"$@"}
+
+    # A bug in bash halts the script if the last line of a function
+    # fails when set -e is in force, so we need another command to
+    # work around that:
+    :
+}
+
+
+# func_relative_path SRCDIR DSTDIR
+# --------------------------------
+# Set func_relative_path_result to the relative path from SRCDIR to DSTDIR.
+func_relative_path ()
+{
+    $debug_cmd
+
+    func_relative_path_result=
+    func_normal_abspath "$1"
+    func_relative_path_tlibdir=$func_normal_abspath_result
+    func_normal_abspath "$2"
+    func_relative_path_tbindir=$func_normal_abspath_result
+
+    # Ascend the tree starting from libdir
+    while :; do
+      # check if we have found a prefix of bindir
+      case $func_relative_path_tbindir in
+        $func_relative_path_tlibdir)
+          # found an exact match
+          func_relative_path_tcancelled=
+          break
+          ;;
+        $func_relative_path_tlibdir*)
+          # found a matching prefix
+          func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
+          func_relative_path_tcancelled=$func_stripname_result
+          if test -z "$func_relative_path_result"; then
+            func_relative_path_result=.
+          fi
+          break
+          ;;
+        *)
+          func_dirname $func_relative_path_tlibdir
+          func_relative_path_tlibdir=$func_dirname_result
+          if test -z "$func_relative_path_tlibdir"; then
+            # Have to descend all the way to the root!
+            func_relative_path_result=../$func_relative_path_result
+            func_relative_path_tcancelled=$func_relative_path_tbindir
+            break
+          fi
+          func_relative_path_result=../$func_relative_path_result
+          ;;
+      esac
+    done
+
+    # Now calculate path; take care to avoid doubling-up slashes.
+    func_stripname '' '/' "$func_relative_path_result"
+    func_relative_path_result=$func_stripname_result
+    func_stripname '/' '/' "$func_relative_path_tcancelled"
+    if test -n "$func_stripname_result"; then
+      func_append func_relative_path_result "/$func_stripname_result"
+    fi
+
+    # Normalisation. If bindir is libdir, return '.' else relative path.
+    if test -n "$func_relative_path_result"; then
+      func_stripname './' '' "$func_relative_path_result"
+      func_relative_path_result=$func_stripname_result
+    fi
+
+    test -n "$func_relative_path_result" || func_relative_path_result=.
+
+    :
+}
+
+
+# func_quote_portable EVAL ARG
+# ----------------------------
+# Internal function to portably implement func_quote_arg.  Note that we still
+# keep attention to performance here so we as much as possible try to avoid
+# calling sed binary (so far O(N) complexity as long as func_append is O(1)).
+func_quote_portable ()
+{
+    $debug_cmd
+
+    $require_check_ifs_backslash
+
+    func_quote_portable_result=$2
+
+    # one-time-loop (easy break)
+    while true
+    do
+      if $1; then
+        func_quote_portable_result=`$ECHO "$2" | $SED \
+          -e "$sed_double_quote_subst" -e "$sed_double_backslash"`
+        break
+      fi
+
+      # Quote for eval.
+      case $func_quote_portable_result in
+        *[\\\`\"\$]*)
+          # Fallback to sed for $func_check_bs_ifs_broken=:, or when the string
+          # contains the shell wildcard characters.
+          case $check_ifs_backshlash_broken$func_quote_portable_result in
+            :*|*[\[\*\?]*)
+              func_quote_portable_result=`$ECHO "$func_quote_portable_result" \
+                  | $SED "$sed_quote_subst"`
+              break
+              ;;
+          esac
+
+          func_quote_portable_old_IFS=$IFS
+          for _G_char in '\' '`' '"' '$'
+          do
+            # STATE($1) PREV($2) SEPARATOR($3)
+            set start "" ""
+            func_quote_portable_result=dummy"$_G_char$func_quote_portable_result$_G_char"dummy
+            IFS=$_G_char
+            for _G_part in $func_quote_portable_result
+            do
+              case $1 in
+              quote)
+                func_append func_quote_portable_result "$3$2"
+                set quote "$_G_part" "\\$_G_char"
+                ;;
+              start)
+                set first "" ""
+                func_quote_portable_result=
+                ;;
+              first)
+                set quote "$_G_part" ""
+                ;;
+              esac
+            done
+          done
+          IFS=$func_quote_portable_old_IFS
+          ;;
+        *) ;;
+      esac
+      break
+    done
+
+    func_quote_portable_unquoted_result=$func_quote_portable_result
+    case $func_quote_portable_result in
+      # double-quote args containing shell metacharacters to delay
+      # word splitting, command substitution and variable expansion
+      # for a subsequent eval.
+      # many bourne shells cannot handle close brackets correctly
+      # in scan sets, so we specify it separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+        func_quote_portable_result=\"$func_quote_portable_result\"
+        ;;
+    esac
+}
+
+
+# func_quotefast_eval ARG
+# -----------------------
+# Quote one ARG (internal).  This is equivalent to 'func_quote_arg eval ARG',
+# but optimized for speed.  Result is stored in $func_quotefast_eval.
+if test xyes = `(x=; printf -v x %q yes; echo x"$x") 2>/dev/null`; then
+  printf -v _GL_test_printf_tilde %q '~'
+  if test '\~' = "$_GL_test_printf_tilde"; then
+    func_quotefast_eval ()
+    {
+      printf -v func_quotefast_eval_result %q "$1"
+    }
+  else
+    # Broken older Bash implementations.  Make those faster too if possible.
+    func_quotefast_eval ()
+    {
+      case $1 in
+        '~'*)
+          func_quote_portable false "$1"
+          func_quotefast_eval_result=$func_quote_portable_result
+          ;;
+        *)
+          printf -v func_quotefast_eval_result %q "$1"
+          ;;
+      esac
+    }
+  fi
+else
+  func_quotefast_eval ()
+  {
+    func_quote_portable false "$1"
+    func_quotefast_eval_result=$func_quote_portable_result
+  }
+fi
+
+
+# func_quote_arg MODEs ARG
+# ------------------------
+# Quote one ARG to be evaled later.  MODEs argument may contain zero or more
+# specifiers listed below separated by ',' character.  This function returns two
+# values:
+#   i) func_quote_arg_result
+#      double-quoted (when needed), suitable for a subsequent eval
+#  ii) func_quote_arg_unquoted_result
+#      has all characters that are still active within double
+#      quotes backslashified.  Available only if 'unquoted' is specified.
+#
+# Available modes:
+# ----------------
+# 'eval' (default)
+#       - escape shell special characters
+# 'expand'
+#       - the same as 'eval';  but do not quote variable references
+# 'pretty'
+#       - request aesthetic output, i.e. '"a b"' instead of 'a\ b'.  This might
+#         be used later in func_quote to get output like: 'echo "a b"' instead
+#         of 'echo a\ b'.  This is slower than default on some shells.
+# 'unquoted'
+#       - produce also $func_quote_arg_unquoted_result which does not contain
+#         wrapping double-quotes.
+#
+# Examples for 'func_quote_arg pretty,unquoted string':
+#
+#   string      | *_result              | *_unquoted_result
+#   ------------+-----------------------+-------------------
+#   "           | \"                    | \"
+#   a b         | "a b"                 | a b
+#   "a b"       | "\"a b\""             | \"a b\"
+#   *           | "*"                   | *
+#   z="${x-$y}" | "z=\"\${x-\$y}\""     | z=\"\${x-\$y}\"
+#
+# Examples for 'func_quote_arg pretty,unquoted,expand string':
+#
+#   string        |   *_result          |  *_unquoted_result
+#   --------------+---------------------+--------------------
+#   z="${x-$y}"   | "z=\"${x-$y}\""     | z=\"${x-$y}\"
+func_quote_arg ()
+{
+    _G_quote_expand=false
+    case ,$1, in
+      *,expand,*)
+        _G_quote_expand=:
+        ;;
+    esac
+
+    case ,$1, in
+      *,pretty,*|*,expand,*|*,unquoted,*)
+        func_quote_portable $_G_quote_expand "$2"
+        func_quote_arg_result=$func_quote_portable_result
+        func_quote_arg_unquoted_result=$func_quote_portable_unquoted_result
+        ;;
+      *)
+        # Faster quote-for-eval for some shells.
+        func_quotefast_eval "$2"
+        func_quote_arg_result=$func_quotefast_eval_result
+        ;;
+    esac
+}
+
+
+# func_quote MODEs ARGs...
+# ------------------------
+# Quote all ARGs to be evaled later and join them into single command.  See
+# func_quote_arg's description for more info.
+func_quote ()
+{
+    $debug_cmd
+    _G_func_quote_mode=$1 ; shift
+    func_quote_result=
+    while test 0 -lt $#; do
+      func_quote_arg "$_G_func_quote_mode" "$1"
+      if test -n "$func_quote_result"; then
+        func_append func_quote_result " $func_quote_arg_result"
+      else
+        func_append func_quote_result "$func_quote_arg_result"
+      fi
+      shift
+    done
+}
+
+
+# func_stripname PREFIX SUFFIX NAME
+# ---------------------------------
+# strip PREFIX and SUFFIX from NAME, and store in func_stripname_result.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  eval 'func_stripname ()
+  {
+    $debug_cmd
+
+    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+    # positional parameters, so assign one to ordinary variable first.
+    func_stripname_result=$3
+    func_stripname_result=${func_stripname_result#"$1"}
+    func_stripname_result=${func_stripname_result%"$2"}
+  }'
+else
+  func_stripname ()
+  {
+    $debug_cmd
+
+    case $2 in
+      .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;;
+      *)  func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;;
+    esac
+  }
+fi
+
+
+# func_show_eval CMD [FAIL_EXP]
+# -----------------------------
+# Unless opt_quiet is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.
+func_show_eval ()
+{
+    $debug_cmd
+
+    _G_cmd=$1
+    _G_fail_exp=${2-':'}
+
+    func_quote_arg pretty,expand "$_G_cmd"
+    eval "func_notquiet $func_quote_arg_result"
+
+    $opt_dry_run || {
+      eval "$_G_cmd"
+      _G_status=$?
+      if test 0 -ne "$_G_status"; then
+	eval "(exit $_G_status); $_G_fail_exp"
+      fi
+    }
+}
+
+
+# func_show_eval_locale CMD [FAIL_EXP]
+# ------------------------------------
+# Unless opt_quiet is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.  Use the saved locale for evaluation.
+func_show_eval_locale ()
+{
+    $debug_cmd
+
+    _G_cmd=$1
+    _G_fail_exp=${2-':'}
+
+    $opt_quiet || {
+      func_quote_arg expand,pretty "$_G_cmd"
+      eval "func_echo $func_quote_arg_result"
+    }
+
+    $opt_dry_run || {
+      eval "$_G_user_locale
+	    $_G_cmd"
+      _G_status=$?
+      eval "$_G_safe_locale"
+      if test 0 -ne "$_G_status"; then
+	eval "(exit $_G_status); $_G_fail_exp"
+      fi
+    }
+}
+
+
+# func_tr_sh
+# ----------
+# Turn $1 into a string suitable for a shell variable name.
+# Result is stored in $func_tr_sh_result.  All characters
+# not in the set a-zA-Z0-9_ are replaced with '_'. Further,
+# if $1 begins with a digit, a '_' is prepended as well.
+func_tr_sh ()
+{
+    $debug_cmd
+
+    case $1 in
+    [0-9]* | *[!a-zA-Z0-9_]*)
+      func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'`
+      ;;
+    * )
+      func_tr_sh_result=$1
+      ;;
+    esac
+}
+
+
+# func_verbose ARG...
+# -------------------
+# Echo program name prefixed message in verbose mode only.
+func_verbose ()
+{
+    $debug_cmd
+
+    $opt_verbose && func_echo "$*"
+
+    :
+}
+
+
+# func_warn_and_continue ARG...
+# -----------------------------
+# Echo program name prefixed warning message to standard error.
+func_warn_and_continue ()
+{
+    $debug_cmd
+
+    $require_term_colors
+
+    func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2
+}
+
+
+# func_warning CATEGORY ARG...
+# ----------------------------
+# Echo program name prefixed warning message to standard error. Warning
+# messages can be filtered according to CATEGORY, where this function
+# elides messages where CATEGORY is not listed in the global variable
+# 'opt_warning_types'.
+func_warning ()
+{
+    $debug_cmd
+
+    # CATEGORY must be in the warning_categories list!
+    case " $warning_categories " in
+      *" $1 "*) ;;
+      *) func_internal_error "invalid warning category '$1'" ;;
+    esac
+
+    _G_category=$1
+    shift
+
+    case " $opt_warning_types " in
+      *" $_G_category "*) $warning_func ${1+"$@"} ;;
+    esac
+}
+
+
+# func_sort_ver VER1 VER2
+# -----------------------
+# 'sort -V' is not generally available.
+# Note this deviates from the version comparison in automake
+# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a
+# but this should suffice as we won't be specifying old
+# version formats or redundant trailing .0 in bootstrap.conf.
+# If we did want full compatibility then we should probably
+# use m4_version_compare from autoconf.
+func_sort_ver ()
+{
+    $debug_cmd
+
+    printf '%s\n%s\n' "$1" "$2" \
+      | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n
+}
+
+# func_lt_ver PREV CURR
+# ---------------------
+# Return true if PREV and CURR are in the correct order according to
+# func_sort_ver, otherwise false.  Use it like this:
+#
+#  func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..."
+func_lt_ver ()
+{
+    $debug_cmd
+
+    test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q`
+}
+
+
+# Local variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC"
+# time-stamp-time-zone: "UTC"
+# End:
+#! /bin/sh
+
+# A portable, pluggable option parser for Bourne shell.
+# Written by Gary V. Vaughan, 2010
+
+# This is free software.  There is NO warranty; not even for
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# Copyright (C) 2010-2019, 2021 Bootstrap Authors
+#
+# This file is dual licensed under the terms of the MIT license
+# <https://opensource.org/license/MIT>, and GPL version 2 or later
+# <http://www.gnu.org/licenses/gpl-2.0.html>.  You must apply one of
+# these licenses when using or redistributing this software or any of
+# the files within it.  See the URLs above, or the file `LICENSE`
+# included in the Bootstrap distribution for the full license texts.
+
+# Please report bugs or propose patches to:
+# <https://github.com/gnulib-modules/bootstrap/issues>
+
+# Set a version string for this script.
+scriptversion=2019-02-19.15; # UTC
+
+
+## ------ ##
+## Usage. ##
+## ------ ##
+
+# This file is a library for parsing options in your shell scripts along
+# with assorted other useful supporting features that you can make use
+# of too.
+#
+# For the simplest scripts you might need only:
+#
+#   #!/bin/sh
+#   . relative/path/to/funclib.sh
+#   . relative/path/to/options-parser
+#   scriptversion=1.0
+#   func_options ${1+"$@"}
+#   eval set dummy "$func_options_result"; shift
+#   ...rest of your script...
+#
+# In order for the '--version' option to work, you will need to have a
+# suitably formatted comment like the one at the top of this file
+# starting with '# Written by ' and ending with '# Copyright'.
+#
+# For '-h' and '--help' to work, you will also need a one line
+# description of your script's purpose in a comment directly above the
+# '# Written by ' line, like the one at the top of this file.
+#
+# The default options also support '--debug', which will turn on shell
+# execution tracing (see the comment above debug_cmd below for another
+# use), and '--verbose' and the func_verbose function to allow your script
+# to display verbose messages only when your user has specified
+# '--verbose'.
+#
+# After sourcing this file, you can plug in processing for additional
+# options by amending the variables from the 'Configuration' section
+# below, and following the instructions in the 'Option parsing'
+# section further down.
+
+## -------------- ##
+## Configuration. ##
+## -------------- ##
+
+# You should override these variables in your script after sourcing this
+# file so that they reflect the customisations you have added to the
+# option parser.
+
+# The usage line for option parsing errors and the start of '-h' and
+# '--help' output messages. You can embed shell variables for delayed
+# expansion at the time the message is displayed, but you will need to
+# quote other shell meta-characters carefully to prevent them being
+# expanded when the contents are evaled.
+usage='$progpath [OPTION]...'
+
+# Short help message in response to '-h' and '--help'.  Add to this or
+# override it after sourcing this library to reflect the full set of
+# options your script accepts.
+usage_message="\
+       --debug        enable verbose shell tracing
+   -W, --warnings=CATEGORY
+                      report the warnings falling in CATEGORY [all]
+   -v, --verbose      verbosely report processing
+       --version      print version information and exit
+   -h, --help         print short or long help message and exit
+"
+
+# Additional text appended to 'usage_message' in response to '--help'.
+long_help_message="
+Warning categories include:
+       'all'          show all warnings
+       'none'         turn off all the warnings
+       'error'        warnings are treated as fatal errors"
+
+# Help message printed before fatal option parsing errors.
+fatal_help="Try '\$progname --help' for more information."
+
+
+
+## ------------------------- ##
+## Hook function management. ##
+## ------------------------- ##
+
+# This section contains functions for adding, removing, and running hooks
+# in the main code.  A hook is just a list of function names that can be
+# run in order later on.
+
+# func_hookable FUNC_NAME
+# -----------------------
+# Declare that FUNC_NAME will run hooks added with
+# 'func_add_hook FUNC_NAME ...'.
+func_hookable ()
+{
+    $debug_cmd
+
+    func_append hookable_fns " $1"
+}
+
+
+# func_add_hook FUNC_NAME HOOK_FUNC
+# ---------------------------------
+# Request that FUNC_NAME call HOOK_FUNC before it returns.  FUNC_NAME must
+# first have been declared "hookable" by a call to 'func_hookable'.
+func_add_hook ()
+{
+    $debug_cmd
+
+    case " $hookable_fns " in
+      *" $1 "*) ;;
+      *) func_fatal_error "'$1' does not accept hook functions." ;;
+    esac
+
+    eval func_append ${1}_hooks '" $2"'
+}
+
+
+# func_remove_hook FUNC_NAME HOOK_FUNC
+# ------------------------------------
+# Remove HOOK_FUNC from the list of hook functions to be called by
+# FUNC_NAME.
+func_remove_hook ()
+{
+    $debug_cmd
+
+    eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`'
+}
+
+
+# func_propagate_result FUNC_NAME_A FUNC_NAME_B
+# ---------------------------------------------
+# If the *_result variable of FUNC_NAME_A _is set_, assign its value to
+# *_result variable of FUNC_NAME_B.
+func_propagate_result ()
+{
+    $debug_cmd
+
+    func_propagate_result_result=:
+    if eval "test \"\${${1}_result+set}\" = set"
+    then
+      eval "${2}_result=\$${1}_result"
+    else
+      func_propagate_result_result=false
+    fi
+}
+
+
+# func_run_hooks FUNC_NAME [ARG]...
+# ---------------------------------
+# Run all hook functions registered to FUNC_NAME.
+# It's assumed that the list of hook functions contains nothing more
+# than a whitespace-delimited list of legal shell function names, and
+# no effort is wasted trying to catch shell meta-characters or preserve
+# whitespace.
+func_run_hooks ()
+{
+    $debug_cmd
+
+    case " $hookable_fns " in
+      *" $1 "*) ;;
+      *) func_fatal_error "'$1' does not support hook functions." ;;
+    esac
+
+    eval _G_hook_fns=\$$1_hooks; shift
+
+    for _G_hook in $_G_hook_fns; do
+      func_unset "${_G_hook}_result"
+      eval $_G_hook '${1+"$@"}'
+      func_propagate_result $_G_hook func_run_hooks
+      if $func_propagate_result_result; then
+        eval set dummy "$func_run_hooks_result"; shift
+      fi
+    done
+}
+
+
+
+## --------------- ##
+## Option parsing. ##
+## --------------- ##
+
+# In order to add your own option parsing hooks, you must accept the
+# full positional parameter list from your hook function.  You may remove
+# or edit any options that you action, and then pass back the remaining
+# unprocessed options in '<hooked_function_name>_result', escaped
+# suitably for 'eval'.
+#
+# The '<hooked_function_name>_result' variable is automatically unset
+# before your hook gets called; for best performance, only set the
+# *_result variable when necessary (i.e. don't call the 'func_quote'
+# function unnecessarily because it can be an expensive operation on some
+# machines).
+#
+# Like this:
+#
+#    my_options_prep ()
+#    {
+#        $debug_cmd
+#
+#        # Extend the existing usage message.
+#        usage_message=$usage_message'
+#      -s, --silent       don'\''t print informational messages
+#    '
+#        # No change in '$@' (ignored completely by this hook).  Leave
+#        # my_options_prep_result variable intact.
+#    }
+#    func_add_hook func_options_prep my_options_prep
+#
+#
+#    my_silent_option ()
+#    {
+#        $debug_cmd
+#
+#        args_changed=false
+#
+#        # Note that, for efficiency, we parse as many options as we can
+#        # recognise in a loop before passing the remainder back to the
+#        # caller on the first unrecognised argument we encounter.
+#        while test $# -gt 0; do
+#          opt=$1; shift
+#          case $opt in
+#            --silent|-s) opt_silent=:
+#                         args_changed=:
+#                         ;;
+#            # Separate non-argument short options:
+#            -s*)         func_split_short_opt "$_G_opt"
+#                         set dummy "$func_split_short_opt_name" \
+#                             "-$func_split_short_opt_arg" ${1+"$@"}
+#                         shift
+#                         args_changed=:
+#                         ;;
+#            *)           # Make sure the first unrecognised option "$_G_opt"
+#                         # is added back to "$@" in case we need it later,
+#                         # if $args_changed was set to 'true'.
+#                         set dummy "$_G_opt" ${1+"$@"}; shift; break ;;
+#          esac
+#        done
+#
+#        # Only call 'func_quote' here if we processed at least one argument.
+#        if $args_changed; then
+#          func_quote eval ${1+"$@"}
+#          my_silent_option_result=$func_quote_result
+#        fi
+#    }
+#    func_add_hook func_parse_options my_silent_option
+#
+#
+#    my_option_validation ()
+#    {
+#        $debug_cmd
+#
+#        $opt_silent && $opt_verbose && func_fatal_help "\
+#    '--silent' and '--verbose' options are mutually exclusive."
+#    }
+#    func_add_hook func_validate_options my_option_validation
+#
+# You'll also need to manually amend $usage_message to reflect the extra
+# options you parse.  It's preferable to append if you can, so that
+# multiple option parsing hooks can be added safely.
+
+
+# func_options_finish [ARG]...
+# ----------------------------
+# Finishing the option parse loop (call 'func_options' hooks ATM).
+func_options_finish ()
+{
+    $debug_cmd
+
+    func_run_hooks func_options ${1+"$@"}
+    func_propagate_result func_run_hooks func_options_finish
+}
+
+
+# func_options [ARG]...
+# ---------------------
+# All the functions called inside func_options are hookable. See the
+# individual implementations for details.
+func_hookable func_options
+func_options ()
+{
+    $debug_cmd
+
+    _G_options_quoted=false
+
+    for my_func in options_prep parse_options validate_options options_finish
+    do
+      func_unset func_${my_func}_result
+      func_unset func_run_hooks_result
+      eval func_$my_func '${1+"$@"}'
+      func_propagate_result func_$my_func func_options
+      if $func_propagate_result_result; then
+        eval set dummy "$func_options_result"; shift
+        _G_options_quoted=:
+      fi
+    done
+
+    $_G_options_quoted || {
+      # As we (func_options) are top-level options-parser function and
+      # nobody quoted "$@" for us yet, we need to do it explicitly for
+      # caller.
+      func_quote eval ${1+"$@"}
+      func_options_result=$func_quote_result
+    }
+}
+
+
+# func_options_prep [ARG]...
+# --------------------------
+# All initialisations required before starting the option parse loop.
+# Note that when calling hook functions, we pass through the list of
+# positional parameters.  If a hook function modifies that list, and
+# needs to propagate that back to rest of this script, then the complete
+# modified list must be put in 'func_run_hooks_result' before returning.
+func_hookable func_options_prep
+func_options_prep ()
+{
+    $debug_cmd
+
+    # Option defaults:
+    opt_verbose=false
+    opt_warning_types=
+
+    func_run_hooks func_options_prep ${1+"$@"}
+    func_propagate_result func_run_hooks func_options_prep
+}
+
+
+# func_parse_options [ARG]...
+# ---------------------------
+# The main option parsing loop.
+func_hookable func_parse_options
+func_parse_options ()
+{
+    $debug_cmd
+
+    _G_parse_options_requote=false
+    # this just eases exit handling
+    while test $# -gt 0; do
+      # Defer to hook functions for initial option parsing, so they
+      # get priority in the event of reusing an option name.
+      func_run_hooks func_parse_options ${1+"$@"}
+      func_propagate_result func_run_hooks func_parse_options
+      if $func_propagate_result_result; then
+        eval set dummy "$func_parse_options_result"; shift
+        # Even though we may have changed "$@", we passed the "$@" array
+        # down into the hook and it quoted it for us (because we are in
+        # this if-branch).  No need to quote it again.
+        _G_parse_options_requote=false
+      fi
+
+      # Break out of the loop if we already parsed every option.
+      test $# -gt 0 || break
+
+      # We expect that one of the options parsed in this function matches
+      # and thus we remove _G_opt from "$@" and need to re-quote.
+      _G_match_parse_options=:
+      _G_opt=$1
+      shift
+      case $_G_opt in
+        --debug|-x)   debug_cmd='set -x'
+                      func_echo "enabling shell trace mode" >&2
+                      $debug_cmd
+                      ;;
+
+        --no-warnings|--no-warning|--no-warn)
+                      set dummy --warnings none ${1+"$@"}
+                      shift
+		      ;;
+
+        --warnings|--warning|-W)
+                      if test $# = 0 && func_missing_arg $_G_opt; then
+                        _G_parse_options_requote=:
+                        break
+                      fi
+                      case " $warning_categories $1" in
+                        *" $1 "*)
+                          # trailing space prevents matching last $1 above
+                          func_append_uniq opt_warning_types " $1"
+                          ;;
+                        *all)
+                          opt_warning_types=$warning_categories
+                          ;;
+                        *none)
+                          opt_warning_types=none
+                          warning_func=:
+                          ;;
+                        *error)
+                          opt_warning_types=$warning_categories
+                          warning_func=func_fatal_error
+                          ;;
+                        *)
+                          func_fatal_error \
+                             "unsupported warning category: '$1'"
+                          ;;
+                      esac
+                      shift
+                      ;;
+
+        --verbose|-v) opt_verbose=: ;;
+        --version)    func_version ;;
+        -\?|-h)       func_usage ;;
+        --help)       func_help ;;
+
+	# Separate optargs to long options (plugins may need this):
+	--*=*)        func_split_equals "$_G_opt"
+	              set dummy "$func_split_equals_lhs" \
+                          "$func_split_equals_rhs" ${1+"$@"}
+                      shift
+                      ;;
+
+       # Separate optargs to short options:
+        -W*)
+                      func_split_short_opt "$_G_opt"
+                      set dummy "$func_split_short_opt_name" \
+                          "$func_split_short_opt_arg" ${1+"$@"}
+                      shift
+                      ;;
+
+        # Separate non-argument short options:
+        -\?*|-h*|-v*|-x*)
+                      func_split_short_opt "$_G_opt"
+                      set dummy "$func_split_short_opt_name" \
+                          "-$func_split_short_opt_arg" ${1+"$@"}
+                      shift
+                      ;;
+
+        --)           _G_parse_options_requote=: ; break ;;
+        -*)           func_fatal_help "unrecognised option: '$_G_opt'" ;;
+        *)            set dummy "$_G_opt" ${1+"$@"}; shift
+                      _G_match_parse_options=false
+                      break
+                      ;;
+      esac
+
+      if $_G_match_parse_options; then
+        _G_parse_options_requote=:
+      fi
+    done
+
+    if $_G_parse_options_requote; then
+      # save modified positional parameters for caller
+      func_quote eval ${1+"$@"}
+      func_parse_options_result=$func_quote_result
+    fi
+}
+
+
+# func_validate_options [ARG]...
+# ------------------------------
+# Perform any sanity checks on option settings and/or unconsumed
+# arguments.
+func_hookable func_validate_options
+func_validate_options ()
+{
+    $debug_cmd
+
+    # Display all warnings if -W was not given.
+    test -n "$opt_warning_types" || opt_warning_types=" $warning_categories"
+
+    func_run_hooks func_validate_options ${1+"$@"}
+    func_propagate_result func_run_hooks func_validate_options
+
+    # Bail if the options were screwed!
+    $exit_cmd $EXIT_FAILURE
+}
+
+
+
+## ----------------- ##
+## Helper functions. ##
+## ----------------- ##
+
+# This section contains the helper functions used by the rest of the
+# hookable option parser framework in ascii-betical order.
+
+
+# func_fatal_help ARG...
+# ----------------------
+# Echo program name prefixed message to standard error, followed by
+# a help hint, and exit.
+func_fatal_help ()
+{
+    $debug_cmd
+
+    eval \$ECHO \""Usage: $usage"\"
+    eval \$ECHO \""$fatal_help"\"
+    func_error ${1+"$@"}
+    exit $EXIT_FAILURE
+}
+
+
+# func_help
+# ---------
+# Echo long help message to standard output and exit.
+func_help ()
+{
+    $debug_cmd
+
+    func_usage_message
+    $ECHO "$long_help_message"
+    exit 0
+}
+
+
+# func_missing_arg ARGNAME
+# ------------------------
+# Echo program name prefixed message to standard error and set global
+# exit_cmd.
+func_missing_arg ()
+{
+    $debug_cmd
+
+    func_error "Missing argument for '$1'."
+    exit_cmd=exit
+}
+
+
+# func_split_equals STRING
+# ------------------------
+# Set func_split_equals_lhs and func_split_equals_rhs shell variables
+# after splitting STRING at the '=' sign.
+test -z "$_G_HAVE_XSI_OPS" \
+    && (eval 'x=a/b/c;
+      test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \
+    && _G_HAVE_XSI_OPS=yes
+
+if test yes = "$_G_HAVE_XSI_OPS"
+then
+  # This is an XSI compatible shell, allowing a faster implementation...
+  eval 'func_split_equals ()
+  {
+      $debug_cmd
+
+      func_split_equals_lhs=${1%%=*}
+      func_split_equals_rhs=${1#*=}
+      if test "x$func_split_equals_lhs" = "x$1"; then
+        func_split_equals_rhs=
+      fi
+  }'
+else
+  # ...otherwise fall back to using expr, which is often a shell builtin.
+  func_split_equals ()
+  {
+      $debug_cmd
+
+      func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'`
+      func_split_equals_rhs=
+      test "x$func_split_equals_lhs=" = "x$1" \
+        || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'`
+  }
+fi #func_split_equals
+
+
+# func_split_short_opt SHORTOPT
+# -----------------------------
+# Set func_split_short_opt_name and func_split_short_opt_arg shell
+# variables after splitting SHORTOPT after the 2nd character.
+if test yes = "$_G_HAVE_XSI_OPS"
+then
+  # This is an XSI compatible shell, allowing a faster implementation...
+  eval 'func_split_short_opt ()
+  {
+      $debug_cmd
+
+      func_split_short_opt_arg=${1#??}
+      func_split_short_opt_name=${1%"$func_split_short_opt_arg"}
+  }'
+else
+  # ...otherwise fall back to using expr, which is often a shell builtin.
+  func_split_short_opt ()
+  {
+      $debug_cmd
+
+      func_split_short_opt_name=`expr "x$1" : 'x\(-.\)'`
+      func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'`
+  }
+fi #func_split_short_opt
+
+
+# func_usage
+# ----------
+# Echo short help message to standard output and exit.
+func_usage ()
+{
+    $debug_cmd
+
+    func_usage_message
+    $ECHO "Run '$progname --help |${PAGER-more}' for full usage"
+    exit 0
+}
+
+
+# func_usage_message
+# ------------------
+# Echo short help message to standard output.
+func_usage_message ()
+{
+    $debug_cmd
+
+    eval \$ECHO \""Usage: $usage"\"
+    echo
+    $SED -n 's|^# ||
+        /^Written by/{
+          x;p;x
+        }
+	h
+	/^Written by/q' < "$progpath"
+    echo
+    eval \$ECHO \""$usage_message"\"
+}
+
+
+# func_version
+# ------------
+# Echo version message to standard output and exit.
+# The version message is extracted from the calling file's header
+# comments, with leading '# ' stripped:
+#   1. First display the progname and version
+#   2. Followed by the header comment line matching  /^# Written by /
+#   3. Then a blank line followed by the first following line matching
+#      /^# Copyright /
+#   4. Immediately followed by any lines between the previous matches,
+#      except lines preceding the intervening completely blank line.
+# For example, see the header comments of this file.
+func_version ()
+{
+    $debug_cmd
+
+    printf '%s\n' "$progname $scriptversion"
+    $SED -n '
+        /^# Written by /!b
+        s|^# ||; p; n
+
+        :fwd2blnk
+        /./ {
+          n
+          b fwd2blnk
+        }
+        p; n
+
+        :holdwrnt
+        s|^# ||
+        s|^# *$||
+        /^Copyright /!{
+          /./H
+          n
+          b holdwrnt
+        }
+
+        s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2|
+        G
+        s|\(\n\)\n*|\1|g
+        p; q' < "$progpath"
+
+    exit $?
+}
+
+
+# Local variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-pattern: "30/scriptversion=%:y-%02m-%02d.%02H; # UTC"
+# time-stamp-time-zone: "UTC"
+# End:
+
+# Set a version string.
+scriptversion='(GNU libtool) 2.4.7'
+
+
+# func_echo ARG...
+# ----------------
+# Libtool also displays the current mode in messages, so override
+# funclib.sh func_echo with this custom definition.
+func_echo ()
+{
+    $debug_cmd
+
+    _G_message=$*
+
+    func_echo_IFS=$IFS
+    IFS=$nl
+    for _G_line in $_G_message; do
+      IFS=$func_echo_IFS
+      $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line"
+    done
+    IFS=$func_echo_IFS
+}
+
+
+# func_warning ARG...
+# -------------------
+# Libtool warnings are not categorized, so override funclib.sh
+# func_warning with this simpler definition.
+func_warning ()
+{
+    $debug_cmd
+
+    $warning_func ${1+"$@"}
+}
+
+
+## ---------------- ##
+## Options parsing. ##
+## ---------------- ##
+
+# Hook in the functions to make sure our own options are parsed during
+# the option parsing loop.
+
+usage='$progpath [OPTION]... [MODE-ARG]...'
+
+# Short help message in response to '-h'.
+usage_message="Options:
+       --config             show all configuration variables
+       --debug              enable verbose shell tracing
+   -n, --dry-run            display commands without modifying any files
+       --features           display basic configuration information and exit
+       --mode=MODE          use operation mode MODE
+       --no-warnings        equivalent to '-Wnone'
+       --preserve-dup-deps  don't remove duplicate dependency libraries
+       --quiet, --silent    don't print informational messages
+       --tag=TAG            use configuration variables from tag TAG
+   -v, --verbose            print more informational messages than default
+       --version            print version information
+   -W, --warnings=CATEGORY  report the warnings falling in CATEGORY [all]
+   -h, --help, --help-all   print short, long, or detailed help message
+"
+
+# Additional text appended to 'usage_message' in response to '--help'.
+func_help ()
+{
+    $debug_cmd
+
+    func_usage_message
+    $ECHO "$long_help_message
+
+MODE must be one of the following:
+
+       clean           remove files from the build directory
+       compile         compile a source file into a libtool object
+       execute         automatically set library path, then run a program
+       finish          complete the installation of libtool libraries
+       install         install libraries or executables
+       link            create a library or an executable
+       uninstall       remove libraries from an installed directory
+
+MODE-ARGS vary depending on the MODE.  When passed as first option,
+'--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that.
+Try '$progname --help --mode=MODE' for a more detailed description of MODE.
+
+When reporting a bug, please describe a test case to reproduce it and
+include the following information:
+
+       host-triplet:   $host
+       shell:          $SHELL
+       compiler:       $LTCC
+       compiler flags: $LTCFLAGS
+       linker:         $LD (gnu? $with_gnu_ld)
+       version:        $progname (GNU libtool) 2.4.7
+       automake:       `($AUTOMAKE --version) 2>/dev/null |$SED 1q`
+       autoconf:       `($AUTOCONF --version) 2>/dev/null |$SED 1q`
+
+Report bugs to <bug-libtool@gnu.org>.
+GNU libtool home page: <http://www.gnu.org/software/libtool/>.
+General help using GNU software: <http://www.gnu.org/gethelp/>."
+    exit 0
+}
+
+
+# func_lo2o OBJECT-NAME
+# ---------------------
+# Transform OBJECT-NAME from a '.lo' suffix to the platform specific
+# object suffix.
+
+lo2o=s/\\.lo\$/.$objext/
+o2lo=s/\\.$objext\$/.lo/
+
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  eval 'func_lo2o ()
+  {
+    case $1 in
+      *.lo) func_lo2o_result=${1%.lo}.$objext ;;
+      *   ) func_lo2o_result=$1               ;;
+    esac
+  }'
+
+  # func_xform LIBOBJ-OR-SOURCE
+  # ---------------------------
+  # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise)
+  # suffix to a '.lo' libtool-object suffix.
+  eval 'func_xform ()
+  {
+    func_xform_result=${1%.*}.lo
+  }'
+else
+  # ...otherwise fall back to using sed.
+  func_lo2o ()
+  {
+    func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"`
+  }
+
+  func_xform ()
+  {
+    func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'`
+  }
+fi
+
+
+# func_fatal_configuration ARG...
+# -------------------------------
+# Echo program name prefixed message to standard error, followed by
+# a configuration failure hint, and exit.
+func_fatal_configuration ()
+{
+    func_fatal_error ${1+"$@"} \
+      "See the $PACKAGE documentation for more information." \
+      "Fatal configuration error."
+}
+
+
+# func_config
+# -----------
+# Display the configuration for all the tags in this script.
+func_config ()
+{
+    re_begincf='^# ### BEGIN LIBTOOL'
+    re_endcf='^# ### END LIBTOOL'
+
+    # Default configuration.
+    $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
+
+    # Now print the configurations for the tags.
+    for tagname in $taglist; do
+      $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
+    done
+
+    exit $?
+}
+
+
+# func_features
+# -------------
+# Display the features supported by this script.
+func_features ()
+{
+    echo "host: $host"
+    if test yes = "$build_libtool_libs"; then
+      echo "enable shared libraries"
+    else
+      echo "disable shared libraries"
+    fi
+    if test yes = "$build_old_libs"; then
+      echo "enable static libraries"
+    else
+      echo "disable static libraries"
+    fi
+
+    exit $?
+}
+
+
+# func_enable_tag TAGNAME
+# -----------------------
+# Verify that TAGNAME is valid, and either flag an error and exit, or
+# enable the TAGNAME tag.  We also add TAGNAME to the global $taglist
+# variable here.
+func_enable_tag ()
+{
+    # Global variable:
+    tagname=$1
+
+    re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
+    re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
+    sed_extractcf=/$re_begincf/,/$re_endcf/p
+
+    # Validate tagname.
+    case $tagname in
+      *[!-_A-Za-z0-9,/]*)
+        func_fatal_error "invalid tag name: $tagname"
+        ;;
+    esac
+
+    # Don't test for the "default" C tag, as we know it's
+    # there but not specially marked.
+    case $tagname in
+        CC) ;;
+    *)
+        if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
+	  taglist="$taglist $tagname"
+
+	  # Evaluate the configuration.  Be careful to quote the path
+	  # and the sed script, to avoid splitting on whitespace, but
+	  # also don't use non-portable quotes within backquotes within
+	  # quotes we have to do it in 2 steps:
+	  extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
+	  eval "$extractedcf"
+        else
+	  func_error "ignoring unknown tag $tagname"
+        fi
+        ;;
+    esac
+}
+
+
+# func_check_version_match
+# ------------------------
+# Ensure that we are using m4 macros, and libtool script from the same
+# release of libtool.
+func_check_version_match ()
+{
+    if test "$package_revision" != "$macro_revision"; then
+      if test "$VERSION" != "$macro_version"; then
+        if test -z "$macro_version"; then
+          cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from an older release.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+        else
+          cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+        fi
+      else
+        cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, revision $package_revision,
+$progname: but the definition of this LT_INIT comes from revision $macro_revision.
+$progname: You should recreate aclocal.m4 with macros from revision $package_revision
+$progname: of $PACKAGE $VERSION and run autoconf again.
+_LT_EOF
+      fi
+
+      exit $EXIT_MISMATCH
+    fi
+}
+
+
+# libtool_options_prep [ARG]...
+# -----------------------------
+# Preparation for options parsed by libtool.
+libtool_options_prep ()
+{
+    $debug_mode
+
+    # Option defaults:
+    opt_config=false
+    opt_dlopen=
+    opt_dry_run=false
+    opt_help=false
+    opt_mode=
+    opt_preserve_dup_deps=false
+    opt_quiet=false
+
+    nonopt=
+    preserve_args=
+
+    _G_rc_lt_options_prep=:
+
+    # Shorthand for --mode=foo, only valid as the first argument
+    case $1 in
+    clean|clea|cle|cl)
+      shift; set dummy --mode clean ${1+"$@"}; shift
+      ;;
+    compile|compil|compi|comp|com|co|c)
+      shift; set dummy --mode compile ${1+"$@"}; shift
+      ;;
+    execute|execut|execu|exec|exe|ex|e)
+      shift; set dummy --mode execute ${1+"$@"}; shift
+      ;;
+    finish|finis|fini|fin|fi|f)
+      shift; set dummy --mode finish ${1+"$@"}; shift
+      ;;
+    install|instal|insta|inst|ins|in|i)
+      shift; set dummy --mode install ${1+"$@"}; shift
+      ;;
+    link|lin|li|l)
+      shift; set dummy --mode link ${1+"$@"}; shift
+      ;;
+    uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
+      shift; set dummy --mode uninstall ${1+"$@"}; shift
+      ;;
+    *)
+      _G_rc_lt_options_prep=false
+      ;;
+    esac
+
+    if $_G_rc_lt_options_prep; then
+      # Pass back the list of options.
+      func_quote eval ${1+"$@"}
+      libtool_options_prep_result=$func_quote_result
+    fi
+}
+func_add_hook func_options_prep libtool_options_prep
+
+
+# libtool_parse_options [ARG]...
+# ---------------------------------
+# Provide handling for libtool specific options.
+libtool_parse_options ()
+{
+    $debug_cmd
+
+    _G_rc_lt_parse_options=false
+
+    # Perform our own loop to consume as many options as possible in
+    # each iteration.
+    while test $# -gt 0; do
+      _G_match_lt_parse_options=:
+      _G_opt=$1
+      shift
+      case $_G_opt in
+        --dry-run|--dryrun|-n)
+                        opt_dry_run=:
+                        ;;
+
+        --config)       func_config ;;
+
+        --dlopen|-dlopen)
+                        opt_dlopen="${opt_dlopen+$opt_dlopen
+}$1"
+                        shift
+                        ;;
+
+        --preserve-dup-deps)
+                        opt_preserve_dup_deps=: ;;
+
+        --features)     func_features ;;
+
+        --finish)       set dummy --mode finish ${1+"$@"}; shift ;;
+
+        --help)         opt_help=: ;;
+
+        --help-all)     opt_help=': help-all' ;;
+
+        --mode)         test $# = 0 && func_missing_arg $_G_opt && break
+                        opt_mode=$1
+                        case $1 in
+                          # Valid mode arguments:
+                          clean|compile|execute|finish|install|link|relink|uninstall) ;;
+
+                          # Catch anything else as an error
+                          *) func_error "invalid argument for $_G_opt"
+                             exit_cmd=exit
+                             break
+                             ;;
+                        esac
+                        shift
+                        ;;
+
+        --no-silent|--no-quiet)
+                        opt_quiet=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --no-warnings|--no-warning|--no-warn)
+                        opt_warning=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --no-verbose)
+                        opt_verbose=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --silent|--quiet)
+                        opt_quiet=:
+                        opt_verbose=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --tag)          test $# = 0 && func_missing_arg $_G_opt && break
+                        opt_tag=$1
+                        func_append preserve_args " $_G_opt $1"
+                        func_enable_tag "$1"
+                        shift
+                        ;;
+
+        --verbose|-v)   opt_quiet=false
+                        opt_verbose=:
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        # An option not handled by this hook function:
+        *)              set dummy "$_G_opt" ${1+"$@"} ; shift
+                        _G_match_lt_parse_options=false
+                        break
+                        ;;
+      esac
+      $_G_match_lt_parse_options && _G_rc_lt_parse_options=:
+    done
+
+    if $_G_rc_lt_parse_options; then
+      # save modified positional parameters for caller
+      func_quote eval ${1+"$@"}
+      libtool_parse_options_result=$func_quote_result
+    fi
+}
+func_add_hook func_parse_options libtool_parse_options
+
+
+
+# libtool_validate_options [ARG]...
+# ---------------------------------
+# Perform any sanity checks on option settings and/or unconsumed
+# arguments.
+libtool_validate_options ()
+{
+    # save first non-option argument
+    if test 0 -lt $#; then
+      nonopt=$1
+      shift
+    fi
+
+    # preserve --debug
+    test : = "$debug_cmd" || func_append preserve_args " --debug"
+
+    # Keeping compiler generated duplicates in $postdeps and $predeps is not
+    # harmful, and is necessary in a majority of systems that use it to satisfy
+    # symbol dependencies.
+    opt_duplicate_compiler_generated_deps=:
+
+    $opt_help || {
+      # Sanity checks first:
+      func_check_version_match
+
+      test yes != "$build_libtool_libs" \
+        && test yes != "$build_old_libs" \
+        && func_fatal_configuration "not configured to build any kind of library"
+
+      # Darwin sucks
+      eval std_shrext=\"$shrext_cmds\"
+
+      # Only execute mode is allowed to have -dlopen flags.
+      if test -n "$opt_dlopen" && test execute != "$opt_mode"; then
+        func_error "unrecognized option '-dlopen'"
+        $ECHO "$help" 1>&2
+        exit $EXIT_FAILURE
+      fi
+
+      # Change the help message to a mode-specific one.
+      generic_help=$help
+      help="Try '$progname --help --mode=$opt_mode' for more information."
+    }
+
+    # Pass back the unparsed argument list
+    func_quote eval ${1+"$@"}
+    libtool_validate_options_result=$func_quote_result
+}
+func_add_hook func_validate_options libtool_validate_options
+
+
+# Process options as early as possible so that --help and --version
+# can return quickly.
+func_options ${1+"$@"}
+eval set dummy "$func_options_result"; shift
+
+
+
+## ----------- ##
+##    Main.    ##
+## ----------- ##
+
+magic='%%%MAGIC variable%%%'
+magic_exe='%%%MAGIC EXE variable%%%'
+
+# Global variables.
+extracted_archives=
+extracted_serial=0
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end.  This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+}
+
+# func_generated_by_libtool
+# True iff stdin has been generated by Libtool. This function is only
+# a basic sanity check; it will hardly flush out determined imposters.
+func_generated_by_libtool_p ()
+{
+  $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+}
+
+# func_lalib_p file
+# True iff FILE is a libtool '.la' library or '.lo' object file.
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_lalib_p ()
+{
+    test -f "$1" &&
+      $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p
+}
+
+# func_lalib_unsafe_p file
+# True iff FILE is a libtool '.la' library or '.lo' object file.
+# This function implements the same check as func_lalib_p without
+# resorting to external programs.  To this end, it redirects stdin and
+# closes it afterwards, without saving the original file descriptor.
+# As a safety measure, use it only where a negative result would be
+# fatal anyway.  Works if 'file' does not exist.
+func_lalib_unsafe_p ()
+{
+    lalib_p=no
+    if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then
+	for lalib_p_l in 1 2 3 4
+	do
+	    read lalib_p_line
+	    case $lalib_p_line in
+		\#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
+	    esac
+	done
+	exec 0<&5 5<&-
+    fi
+    test yes = "$lalib_p"
+}
+
+# func_ltwrapper_script_p file
+# True iff FILE is a libtool wrapper script
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_script_p ()
+{
+    test -f "$1" &&
+      $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p
+}
+
+# func_ltwrapper_executable_p file
+# True iff FILE is a libtool wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_executable_p ()
+{
+    func_ltwrapper_exec_suffix=
+    case $1 in
+    *.exe) ;;
+    *) func_ltwrapper_exec_suffix=.exe ;;
+    esac
+    $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
+}
+
+# func_ltwrapper_scriptname file
+# Assumes file is an ltwrapper_executable
+# uses $file to determine the appropriate filename for a
+# temporary ltwrapper_script.
+func_ltwrapper_scriptname ()
+{
+    func_dirname_and_basename "$1" "" "."
+    func_stripname '' '.exe' "$func_basename_result"
+    func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper
+}
+
+# func_ltwrapper_p file
+# True iff FILE is a libtool wrapper script or wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_p ()
+{
+    func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
+}
+
+
+# func_execute_cmds commands fail_cmd
+# Execute tilde-delimited COMMANDS.
+# If FAIL_CMD is given, eval that upon failure.
+# FAIL_CMD may read-access the current command in variable CMD!
+func_execute_cmds ()
+{
+    $debug_cmd
+
+    save_ifs=$IFS; IFS='~'
+    for cmd in $1; do
+      IFS=$sp$nl
+      eval cmd=\"$cmd\"
+      IFS=$save_ifs
+      func_show_eval "$cmd" "${2-:}"
+    done
+    IFS=$save_ifs
+}
+
+
+# func_source file
+# Source FILE, adding directory component if necessary.
+# Note that it is not necessary on cygwin/mingw to append a dot to
+# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
+# behavior happens only for exec(3), not for open(2)!  Also, sourcing
+# 'FILE.' does not work on cygwin managed mounts.
+func_source ()
+{
+    $debug_cmd
+
+    case $1 in
+    */* | *\\*)	. "$1" ;;
+    *)		. "./$1" ;;
+    esac
+}
+
+
+# func_resolve_sysroot PATH
+# Replace a leading = in PATH with a sysroot.  Store the result into
+# func_resolve_sysroot_result
+func_resolve_sysroot ()
+{
+  func_resolve_sysroot_result=$1
+  case $func_resolve_sysroot_result in
+  =*)
+    func_stripname '=' '' "$func_resolve_sysroot_result"
+    func_resolve_sysroot_result=$lt_sysroot$func_stripname_result
+    ;;
+  esac
+}
+
+# func_replace_sysroot PATH
+# If PATH begins with the sysroot, replace it with = and
+# store the result into func_replace_sysroot_result.
+func_replace_sysroot ()
+{
+  case $lt_sysroot:$1 in
+  ?*:"$lt_sysroot"*)
+    func_stripname "$lt_sysroot" '' "$1"
+    func_replace_sysroot_result='='$func_stripname_result
+    ;;
+  *)
+    # Including no sysroot.
+    func_replace_sysroot_result=$1
+    ;;
+  esac
+}
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+    $debug_cmd
+
+    if test -n "$available_tags" && test -z "$tagname"; then
+      CC_quoted=
+      for arg in $CC; do
+	func_append_quoted CC_quoted "$arg"
+      done
+      CC_expanded=`func_echo_all $CC`
+      CC_quoted_expanded=`func_echo_all $CC_quoted`
+      case $@ in
+      # Blanks in the command may have been stripped by the calling shell,
+      # but not from the CC environment variable when configure was run.
+      " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+      " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;;
+      # Blanks at the start of $base_compile will cause this to fail
+      # if we don't check for them as well.
+      *)
+	for z in $available_tags; do
+	  if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+	    # Evaluate the configuration.
+	    eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+	    CC_quoted=
+	    for arg in $CC; do
+	      # Double-quote args containing other shell metacharacters.
+	      func_append_quoted CC_quoted "$arg"
+	    done
+	    CC_expanded=`func_echo_all $CC`
+	    CC_quoted_expanded=`func_echo_all $CC_quoted`
+	    case "$@ " in
+	    " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+	    " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*)
+	      # The compiler in the base compile command matches
+	      # the one in the tagged configuration.
+	      # Assume this is the tagged configuration we want.
+	      tagname=$z
+	      break
+	      ;;
+	    esac
+	  fi
+	done
+	# If $tagname still isn't set, then no tagged configuration
+	# was found and let the user know that the "--tag" command
+	# line option must be used.
+	if test -z "$tagname"; then
+	  func_echo "unable to infer tagged configuration"
+	  func_fatal_error "specify a tag with '--tag'"
+#	else
+#	  func_verbose "using $tagname tagged configuration"
+	fi
+	;;
+      esac
+    fi
+}
+
+
+
+# func_write_libtool_object output_name pic_name nonpic_name
+# Create a libtool object file (analogous to a ".la" file),
+# but don't create it if we're doing a dry run.
+func_write_libtool_object ()
+{
+    write_libobj=$1
+    if test yes = "$build_libtool_libs"; then
+      write_lobj=\'$2\'
+    else
+      write_lobj=none
+    fi
+
+    if test yes = "$build_old_libs"; then
+      write_oldobj=\'$3\'
+    else
+      write_oldobj=none
+    fi
+
+    $opt_dry_run || {
+      cat >${write_libobj}T <<EOF
+# $write_libobj - a libtool object file
+# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object=$write_lobj
+
+# Name of the non-PIC object
+non_pic_object=$write_oldobj
+
+EOF
+      $MV "${write_libobj}T" "$write_libobj"
+    }
+}
+
+
+##################################################
+# FILE NAME AND PATH CONVERSION HELPER FUNCTIONS #
+##################################################
+
+# func_convert_core_file_wine_to_w32 ARG
+# Helper function used by file name conversion functions when $build is *nix,
+# and $host is mingw, cygwin, or some other w32 environment. Relies on a
+# correctly configured wine environment available, with the winepath program
+# in $build's $PATH.
+#
+# ARG is the $build file name to be converted to w32 format.
+# Result is available in $func_convert_core_file_wine_to_w32_result, and will
+# be empty on error (or when ARG is empty)
+func_convert_core_file_wine_to_w32 ()
+{
+  $debug_cmd
+
+  func_convert_core_file_wine_to_w32_result=$1
+  if test -n "$1"; then
+    # Unfortunately, winepath does not exit with a non-zero error code, so we
+    # are forced to check the contents of stdout. On the other hand, if the
+    # command is not found, the shell will set an exit code of 127 and print
+    # *an error message* to stdout. So we must check for both error code of
+    # zero AND non-empty stdout, which explains the odd construction:
+    func_convert_core_file_wine_to_w32_tmp=`winepath -w "$1" 2>/dev/null`
+    if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then
+      func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" |
+        $SED -e "$sed_naive_backslashify"`
+    else
+      func_convert_core_file_wine_to_w32_result=
+    fi
+  fi
+}
+# end: func_convert_core_file_wine_to_w32
+
+
+# func_convert_core_path_wine_to_w32 ARG
+# Helper function used by path conversion functions when $build is *nix, and
+# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly
+# configured wine environment available, with the winepath program in $build's
+# $PATH. Assumes ARG has no leading or trailing path separator characters.
+#
+# ARG is path to be converted from $build format to win32.
+# Result is available in $func_convert_core_path_wine_to_w32_result.
+# Unconvertible file (directory) names in ARG are skipped; if no directory names
+# are convertible, then the result may be empty.
+func_convert_core_path_wine_to_w32 ()
+{
+  $debug_cmd
+
+  # unfortunately, winepath doesn't convert paths, only file names
+  func_convert_core_path_wine_to_w32_result=
+  if test -n "$1"; then
+    oldIFS=$IFS
+    IFS=:
+    for func_convert_core_path_wine_to_w32_f in $1; do
+      IFS=$oldIFS
+      func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f"
+      if test -n "$func_convert_core_file_wine_to_w32_result"; then
+        if test -z "$func_convert_core_path_wine_to_w32_result"; then
+          func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result
+        else
+          func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result"
+        fi
+      fi
+    done
+    IFS=$oldIFS
+  fi
+}
+# end: func_convert_core_path_wine_to_w32
+
+
+# func_cygpath ARGS...
+# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when
+# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2)
+# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or
+# (2), returns the Cygwin file name or path in func_cygpath_result (input
+# file name or path is assumed to be in w32 format, as previously converted
+# from $build's *nix or MSYS format). In case (3), returns the w32 file name
+# or path in func_cygpath_result (input file name or path is assumed to be in
+# Cygwin format). Returns an empty string on error.
+#
+# ARGS are passed to cygpath, with the last one being the file name or path to
+# be converted.
+#
+# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH
+# environment variable; do not put it in $PATH.
+func_cygpath ()
+{
+  $debug_cmd
+
+  if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then
+    func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null`
+    if test "$?" -ne 0; then
+      # on failure, ensure result is empty
+      func_cygpath_result=
+    fi
+  else
+    func_cygpath_result=
+    func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'"
+  fi
+}
+#end: func_cygpath
+
+
+# func_convert_core_msys_to_w32 ARG
+# Convert file name or path ARG from MSYS format to w32 format.  Return
+# result in func_convert_core_msys_to_w32_result.
+func_convert_core_msys_to_w32 ()
+{
+  $debug_cmd
+
+  # awkward: cmd appends spaces to result
+  func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
+    $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"`
+}
+#end: func_convert_core_msys_to_w32
+
+
+# func_convert_file_check ARG1 ARG2
+# Verify that ARG1 (a file name in $build format) was converted to $host
+# format in ARG2. Otherwise, emit an error message, but continue (resetting
+# func_to_host_file_result to ARG1).
+func_convert_file_check ()
+{
+  $debug_cmd
+
+  if test -z "$2" && test -n "$1"; then
+    func_error "Could not determine host file name corresponding to"
+    func_error "  '$1'"
+    func_error "Continuing, but uninstalled executables may not work."
+    # Fallback:
+    func_to_host_file_result=$1
+  fi
+}
+# end func_convert_file_check
+
+
+# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH
+# Verify that FROM_PATH (a path in $build format) was converted to $host
+# format in TO_PATH. Otherwise, emit an error message, but continue, resetting
+# func_to_host_file_result to a simplistic fallback value (see below).
+func_convert_path_check ()
+{
+  $debug_cmd
+
+  if test -z "$4" && test -n "$3"; then
+    func_error "Could not determine the host path corresponding to"
+    func_error "  '$3'"
+    func_error "Continuing, but uninstalled executables may not work."
+    # Fallback.  This is a deliberately simplistic "conversion" and
+    # should not be "improved".  See libtool.info.
+    if test "x$1" != "x$2"; then
+      lt_replace_pathsep_chars="s|$1|$2|g"
+      func_to_host_path_result=`echo "$3" |
+        $SED -e "$lt_replace_pathsep_chars"`
+    else
+      func_to_host_path_result=$3
+    fi
+  fi
+}
+# end func_convert_path_check
+
+
+# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG
+# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT
+# and appending REPL if ORIG matches BACKPAT.
+func_convert_path_front_back_pathsep ()
+{
+  $debug_cmd
+
+  case $4 in
+  $1 ) func_to_host_path_result=$3$func_to_host_path_result
+    ;;
+  esac
+  case $4 in
+  $2 ) func_append func_to_host_path_result "$3"
+    ;;
+  esac
+}
+# end func_convert_path_front_back_pathsep
+
+
+##################################################
+# $build to $host FILE NAME CONVERSION FUNCTIONS #
+##################################################
+# invoked via '$to_host_file_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# Result will be available in $func_to_host_file_result.
+
+
+# func_to_host_file ARG
+# Converts the file name ARG from $build format to $host format. Return result
+# in func_to_host_file_result.
+func_to_host_file ()
+{
+  $debug_cmd
+
+  $to_host_file_cmd "$1"
+}
+# end func_to_host_file
+
+
+# func_to_tool_file ARG LAZY
+# converts the file name ARG from $build format to toolchain format. Return
+# result in func_to_tool_file_result.  If the conversion in use is listed
+# in (the comma separated) LAZY, no conversion takes place.
+func_to_tool_file ()
+{
+  $debug_cmd
+
+  case ,$2, in
+    *,"$to_tool_file_cmd",*)
+      func_to_tool_file_result=$1
+      ;;
+    *)
+      $to_tool_file_cmd "$1"
+      func_to_tool_file_result=$func_to_host_file_result
+      ;;
+  esac
+}
+# end func_to_tool_file
+
+
+# func_convert_file_noop ARG
+# Copy ARG to func_to_host_file_result.
+func_convert_file_noop ()
+{
+  func_to_host_file_result=$1
+}
+# end func_convert_file_noop
+
+
+# func_convert_file_msys_to_w32 ARG
+# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper.  Returns result in
+# func_to_host_file_result.
+func_convert_file_msys_to_w32 ()
+{
+  $debug_cmd
+
+  func_to_host_file_result=$1
+  if test -n "$1"; then
+    func_convert_core_msys_to_w32 "$1"
+    func_to_host_file_result=$func_convert_core_msys_to_w32_result
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_w32
+
+
+# func_convert_file_cygwin_to_w32 ARG
+# Convert file name ARG from Cygwin to w32 format.  Returns result in
+# func_to_host_file_result.
+func_convert_file_cygwin_to_w32 ()
+{
+  $debug_cmd
+
+  func_to_host_file_result=$1
+  if test -n "$1"; then
+    # because $build is cygwin, we call "the" cygpath in $PATH; no need to use
+    # LT_CYGPATH in this case.
+    func_to_host_file_result=`cygpath -m "$1"`
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_cygwin_to_w32
+
+
+# func_convert_file_nix_to_w32 ARG
+# Convert file name ARG from *nix to w32 format.  Requires a wine environment
+# and a working winepath. Returns result in func_to_host_file_result.
+func_convert_file_nix_to_w32 ()
+{
+  $debug_cmd
+
+  func_to_host_file_result=$1
+  if test -n "$1"; then
+    func_convert_core_file_wine_to_w32 "$1"
+    func_to_host_file_result=$func_convert_core_file_wine_to_w32_result
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_w32
+
+
+# func_convert_file_msys_to_cygwin ARG
+# Convert file name ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_file_msys_to_cygwin ()
+{
+  $debug_cmd
+
+  func_to_host_file_result=$1
+  if test -n "$1"; then
+    func_convert_core_msys_to_w32 "$1"
+    func_cygpath -u "$func_convert_core_msys_to_w32_result"
+    func_to_host_file_result=$func_cygpath_result
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_cygwin
+
+
+# func_convert_file_nix_to_cygwin ARG
+# Convert file name ARG from *nix to Cygwin format.  Requires Cygwin installed
+# in a wine environment, working winepath, and LT_CYGPATH set.  Returns result
+# in func_to_host_file_result.
+func_convert_file_nix_to_cygwin ()
+{
+  $debug_cmd
+
+  func_to_host_file_result=$1
+  if test -n "$1"; then
+    # convert from *nix to w32, then use cygpath to convert from w32 to cygwin.
+    func_convert_core_file_wine_to_w32 "$1"
+    func_cygpath -u "$func_convert_core_file_wine_to_w32_result"
+    func_to_host_file_result=$func_cygpath_result
+  fi
+  func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_cygwin
+
+
+#############################################
+# $build to $host PATH CONVERSION FUNCTIONS #
+#############################################
+# invoked via '$to_host_path_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# The result will be available in $func_to_host_path_result.
+#
+# Path separators are also converted from $build format to $host format.  If
+# ARG begins or ends with a path separator character, it is preserved (but
+# converted to $host format) on output.
+#
+# All path conversion functions are named using the following convention:
+#   file name conversion function    : func_convert_file_X_to_Y ()
+#   path conversion function         : func_convert_path_X_to_Y ()
+# where, for any given $build/$host combination the 'X_to_Y' value is the
+# same.  If conversion functions are added for new $build/$host combinations,
+# the two new functions must follow this pattern, or func_init_to_host_path_cmd
+# will break.
+
+
+# func_init_to_host_path_cmd
+# Ensures that function "pointer" variable $to_host_path_cmd is set to the
+# appropriate value, based on the value of $to_host_file_cmd.
+to_host_path_cmd=
+func_init_to_host_path_cmd ()
+{
+  $debug_cmd
+
+  if test -z "$to_host_path_cmd"; then
+    func_stripname 'func_convert_file_' '' "$to_host_file_cmd"
+    to_host_path_cmd=func_convert_path_$func_stripname_result
+  fi
+}
+
+
+# func_to_host_path ARG
+# Converts the path ARG from $build format to $host format. Return result
+# in func_to_host_path_result.
+func_to_host_path ()
+{
+  $debug_cmd
+
+  func_init_to_host_path_cmd
+  $to_host_path_cmd "$1"
+}
+# end func_to_host_path
+
+
+# func_convert_path_noop ARG
+# Copy ARG to func_to_host_path_result.
+func_convert_path_noop ()
+{
+  func_to_host_path_result=$1
+}
+# end func_convert_path_noop
+
+
+# func_convert_path_msys_to_w32 ARG
+# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper.  Returns result in
+# func_to_host_path_result.
+func_convert_path_msys_to_w32 ()
+{
+  $debug_cmd
+
+  func_to_host_path_result=$1
+  if test -n "$1"; then
+    # Remove leading and trailing path separator characters from ARG.  MSYS
+    # behavior is inconsistent here; cygpath turns them into '.;' and ';.';
+    # and winepath ignores them completely.
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+    func_to_host_path_result=$func_convert_core_msys_to_w32_result
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_msys_to_w32
+
+
+# func_convert_path_cygwin_to_w32 ARG
+# Convert path ARG from Cygwin to w32 format.  Returns result in
+# func_to_host_file_result.
+func_convert_path_cygwin_to_w32 ()
+{
+  $debug_cmd
+
+  func_to_host_path_result=$1
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"`
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_cygwin_to_w32
+
+
+# func_convert_path_nix_to_w32 ARG
+# Convert path ARG from *nix to w32 format.  Requires a wine environment and
+# a working winepath.  Returns result in func_to_host_file_result.
+func_convert_path_nix_to_w32 ()
+{
+  $debug_cmd
+
+  func_to_host_path_result=$1
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+    func_to_host_path_result=$func_convert_core_path_wine_to_w32_result
+    func_convert_path_check : ";" \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+  fi
+}
+# end func_convert_path_nix_to_w32
+
+
+# func_convert_path_msys_to_cygwin ARG
+# Convert path ARG from MSYS to Cygwin format.  Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_path_msys_to_cygwin ()
+{
+  $debug_cmd
+
+  func_to_host_path_result=$1
+  if test -n "$1"; then
+    # See func_convert_path_msys_to_w32:
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+    func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
+    func_to_host_path_result=$func_cygpath_result
+    func_convert_path_check : : \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+  fi
+}
+# end func_convert_path_msys_to_cygwin
+
+
+# func_convert_path_nix_to_cygwin ARG
+# Convert path ARG from *nix to Cygwin format.  Requires Cygwin installed in a
+# a wine environment, working winepath, and LT_CYGPATH set.  Returns result in
+# func_to_host_file_result.
+func_convert_path_nix_to_cygwin ()
+{
+  $debug_cmd
+
+  func_to_host_path_result=$1
+  if test -n "$1"; then
+    # Remove leading and trailing path separator characters from
+    # ARG. msys behavior is inconsistent here, cygpath turns them
+    # into '.;' and ';.', and winepath ignores them completely.
+    func_stripname : : "$1"
+    func_to_host_path_tmp1=$func_stripname_result
+    func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+    func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result"
+    func_to_host_path_result=$func_cygpath_result
+    func_convert_path_check : : \
+      "$func_to_host_path_tmp1" "$func_to_host_path_result"
+    func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+  fi
+}
+# end func_convert_path_nix_to_cygwin
+
+
+# func_dll_def_p FILE
+# True iff FILE is a Windows DLL '.def' file.
+# Keep in sync with _LT_DLL_DEF_P in libtool.m4
+func_dll_def_p ()
+{
+  $debug_cmd
+
+  func_dll_def_p_tmp=`$SED -n \
+    -e 's/^[	 ]*//' \
+    -e '/^\(;.*\)*$/d' \
+    -e 's/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p' \
+    -e q \
+    "$1"`
+  test DEF = "$func_dll_def_p_tmp"
+}
+
+
+# func_mode_compile arg...
+func_mode_compile ()
+{
+    $debug_cmd
+
+    # Get the compilation command and the source file.
+    base_compile=
+    srcfile=$nonopt  #  always keep a non-empty value in "srcfile"
+    suppress_opt=yes
+    suppress_output=
+    arg_mode=normal
+    libobj=
+    later=
+    pie_flag=
+
+    for arg
+    do
+      case $arg_mode in
+      arg  )
+	# do not "continue".  Instead, add this to base_compile
+	lastarg=$arg
+	arg_mode=normal
+	;;
+
+      target )
+	libobj=$arg
+	arg_mode=normal
+	continue
+	;;
+
+      normal )
+	# Accept any command-line options.
+	case $arg in
+	-o)
+	  test -n "$libobj" && \
+	    func_fatal_error "you cannot specify '-o' more than once"
+	  arg_mode=target
+	  continue
+	  ;;
+
+	-pie | -fpie | -fPIE)
+          func_append pie_flag " $arg"
+	  continue
+	  ;;
+
+	-shared | -static | -prefer-pic | -prefer-non-pic)
+	  func_append later " $arg"
+	  continue
+	  ;;
+
+	-no-suppress)
+	  suppress_opt=no
+	  continue
+	  ;;
+
+	-Xcompiler)
+	  arg_mode=arg  #  the next one goes into the "base_compile" arg list
+	  continue      #  The current "srcfile" will either be retained or
+	  ;;            #  replaced later.  I would guess that would be a bug.
+
+	-Wc,*)
+	  func_stripname '-Wc,' '' "$arg"
+	  args=$func_stripname_result
+	  lastarg=
+	  save_ifs=$IFS; IFS=,
+	  for arg in $args; do
+	    IFS=$save_ifs
+	    func_append_quoted lastarg "$arg"
+	  done
+	  IFS=$save_ifs
+	  func_stripname ' ' '' "$lastarg"
+	  lastarg=$func_stripname_result
+
+	  # Add the arguments to base_compile.
+	  func_append base_compile " $lastarg"
+	  continue
+	  ;;
+
+	*)
+	  # Accept the current argument as the source file.
+	  # The previous "srcfile" becomes the current argument.
+	  #
+	  lastarg=$srcfile
+	  srcfile=$arg
+	  ;;
+	esac  #  case $arg
+	;;
+      esac    #  case $arg_mode
+
+      # Aesthetically quote the previous argument.
+      func_append_quoted base_compile "$lastarg"
+    done # for arg
+
+    case $arg_mode in
+    arg)
+      func_fatal_error "you must specify an argument for -Xcompile"
+      ;;
+    target)
+      func_fatal_error "you must specify a target with '-o'"
+      ;;
+    *)
+      # Get the name of the library object.
+      test -z "$libobj" && {
+	func_basename "$srcfile"
+	libobj=$func_basename_result
+      }
+      ;;
+    esac
+
+    # Recognize several different file suffixes.
+    # If the user specifies -o file.o, it is replaced with file.lo
+    case $libobj in
+    *.[cCFSifmso] | \
+    *.ada | *.adb | *.ads | *.asm | \
+    *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
+    *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
+      func_xform "$libobj"
+      libobj=$func_xform_result
+      ;;
+    esac
+
+    case $libobj in
+    *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
+    *)
+      func_fatal_error "cannot determine name of library object from '$libobj'"
+      ;;
+    esac
+
+    func_infer_tag $base_compile
+
+    for arg in $later; do
+      case $arg in
+      -shared)
+	test yes = "$build_libtool_libs" \
+	  || func_fatal_configuration "cannot build a shared library"
+	build_old_libs=no
+	continue
+	;;
+
+      -static)
+	build_libtool_libs=no
+	build_old_libs=yes
+	continue
+	;;
+
+      -prefer-pic)
+	pic_mode=yes
+	continue
+	;;
+
+      -prefer-non-pic)
+	pic_mode=no
+	continue
+	;;
+      esac
+    done
+
+    func_quote_arg pretty "$libobj"
+    test "X$libobj" != "X$func_quote_arg_result" \
+      && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"'	 &()|`$[]' \
+      && func_warning "libobj name '$libobj' may not contain shell special characters."
+    func_dirname_and_basename "$obj" "/" ""
+    objname=$func_basename_result
+    xdir=$func_dirname_result
+    lobj=$xdir$objdir/$objname
+
+    test -z "$base_compile" && \
+      func_fatal_help "you must specify a compilation command"
+
+    # Delete any leftover library objects.
+    if test yes = "$build_old_libs"; then
+      removelist="$obj $lobj $libobj ${libobj}T"
+    else
+      removelist="$lobj $libobj ${libobj}T"
+    fi
+
+    # On Cygwin there's no "real" PIC flag so we must build both object types
+    case $host_os in
+    cygwin* | mingw* | pw32* | os2* | cegcc*)
+      pic_mode=default
+      ;;
+    esac
+    if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then
+      # non-PIC code in shared libraries is not supported
+      pic_mode=default
+    fi
+
+    # Calculate the filename of the output object if compiler does
+    # not support -o with -c
+    if test no = "$compiler_c_o"; then
+      output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext
+      lockfile=$output_obj.lock
+    else
+      output_obj=
+      need_locks=no
+      lockfile=
+    fi
+
+    # Lock this critical section if it is needed
+    # We use this script file to make the link, it avoids creating a new file
+    if test yes = "$need_locks"; then
+      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+	func_echo "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    elif test warn = "$need_locks"; then
+      if test -f "$lockfile"; then
+	$ECHO "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support '-c' and '-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+      func_append removelist " $output_obj"
+      $ECHO "$srcfile" > "$lockfile"
+    fi
+
+    $opt_dry_run || $RM $removelist
+    func_append removelist " $lockfile"
+    trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
+
+    func_to_tool_file "$srcfile" func_convert_file_msys_to_w32
+    srcfile=$func_to_tool_file_result
+    func_quote_arg pretty "$srcfile"
+    qsrcfile=$func_quote_arg_result
+
+    # Only build a PIC object if we are building libtool libraries.
+    if test yes = "$build_libtool_libs"; then
+      # Without this assignment, base_compile gets emptied.
+      fbsd_hideous_sh_bug=$base_compile
+
+      if test no != "$pic_mode"; then
+	command="$base_compile $qsrcfile $pic_flag"
+      else
+	# Don't build PIC code
+	command="$base_compile $qsrcfile"
+      fi
+
+      func_mkdir_p "$xdir$objdir"
+
+      if test -z "$output_obj"; then
+	# Place PIC objects in $objdir
+	func_append command " -o $lobj"
+      fi
+
+      func_show_eval_locale "$command"	\
+          'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
+
+      if test warn = "$need_locks" &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support '-c' and '-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed, then go on to compile the next one
+      if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+	func_show_eval '$MV "$output_obj" "$lobj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+
+      # Allow error messages only from the first compilation.
+      if test yes = "$suppress_opt"; then
+	suppress_output=' >/dev/null 2>&1'
+      fi
+    fi
+
+    # Only build a position-dependent object if we build old libraries.
+    if test yes = "$build_old_libs"; then
+      if test yes != "$pic_mode"; then
+	# Don't build PIC code
+	command="$base_compile $qsrcfile$pie_flag"
+      else
+	command="$base_compile $qsrcfile $pic_flag"
+      fi
+      if test yes = "$compiler_c_o"; then
+	func_append command " -o $obj"
+      fi
+
+      # Suppress compiler output if we already did a PIC compilation.
+      func_append command "$suppress_output"
+      func_show_eval_locale "$command" \
+        '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
+
+      if test warn = "$need_locks" &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support '-c' and '-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed
+      if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+	func_show_eval '$MV "$output_obj" "$obj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+    fi
+
+    $opt_dry_run || {
+      func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
+
+      # Unlock the critical section if it was locked
+      if test no != "$need_locks"; then
+	removelist=$lockfile
+        $RM "$lockfile"
+      fi
+    }
+
+    exit $EXIT_SUCCESS
+}
+
+$opt_help || {
+  test compile = "$opt_mode" && func_mode_compile ${1+"$@"}
+}
+
+func_mode_help ()
+{
+    # We need to display help for each of the modes.
+    case $opt_mode in
+      "")
+        # Generic help is extracted from the usage comments
+        # at the start of this file.
+        func_help
+        ;;
+
+      clean)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically '/bin/rm').  RM-OPTIONS are options (such as '-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      compile)
+      $ECHO \
+"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+  -o OUTPUT-FILE    set the output file name to OUTPUT-FILE
+  -no-suppress      do not suppress compiler output for multiple passes
+  -prefer-pic       try to build PIC objects only
+  -prefer-non-pic   try to build non-PIC objects only
+  -shared           do not build a '.o' file suitable for static linking
+  -static           only build a '.o' file suitable for static linking
+  -Wc,FLAG
+  -Xcompiler FLAG   pass FLAG directly to the compiler
+
+COMPILE-COMMAND is a command to be used in creating a 'standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix '.c' with the
+library object suffix, '.lo'."
+        ;;
+
+      execute)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+  -dlopen FILE      add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to '-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+        ;;
+
+      finish)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges.  Use
+the '--dry-run' option if you just want to see what would be executed."
+        ;;
+
+      install)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command.  The first component should be
+either the 'install' or 'cp' program.
+
+The following components of INSTALL-COMMAND are treated specially:
+
+  -inst-prefix-dir PREFIX-DIR  Use PREFIX-DIR as a staging area for installation
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+        ;;
+
+      link)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+  -all-static       do not do any dynamic linking at all
+  -avoid-version    do not add a version suffix if possible
+  -bindir BINDIR    specify path to binaries directory (for systems where
+                    libraries must be found in the PATH setting at runtime)
+  -dlopen FILE      '-dlpreopen' FILE if it cannot be dlopened at runtime
+  -dlpreopen FILE   link in FILE and add its symbols to lt_preloaded_symbols
+  -export-dynamic   allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+  -export-symbols SYMFILE
+                    try to export only the symbols listed in SYMFILE
+  -export-symbols-regex REGEX
+                    try to export only the symbols matching REGEX
+  -LLIBDIR          search LIBDIR for required installed libraries
+  -lNAME            OUTPUT-FILE requires the installed library libNAME
+  -module           build a library that can dlopened
+  -no-fast-install  disable the fast-install mode
+  -no-install       link a not-installable executable
+  -no-undefined     declare that a library does not refer to external symbols
+  -o OUTPUT-FILE    create OUTPUT-FILE from the specified objects
+  -objectlist FILE  use a list of object files found in FILE to specify objects
+  -os2dllname NAME  force a short DLL name on OS/2 (no effect on other OSes)
+  -precious-files-regex REGEX
+                    don't remove output files matching REGEX
+  -release RELEASE  specify package release information
+  -rpath LIBDIR     the created library will eventually be installed in LIBDIR
+  -R[ ]LIBDIR       add LIBDIR to the runtime path of programs and libraries
+  -shared           only do dynamic linking of libtool libraries
+  -shrext SUFFIX    override the standard shared library file extension
+  -static           do not do any dynamic linking of uninstalled libtool libraries
+  -static-libtool-libs
+                    do not do any dynamic linking of libtool libraries
+  -version-info CURRENT[:REVISION[:AGE]]
+                    specify library version info [each variable defaults to 0]
+  -weak LIBNAME     declare that the target provides the LIBNAME interface
+  -Wc,FLAG
+  -Xcompiler FLAG   pass linker-specific FLAG directly to the compiler
+  -Wa,FLAG
+  -Xassembler FLAG  pass linker-specific FLAG directly to the assembler
+  -Wl,FLAG
+  -Xlinker FLAG     pass linker-specific FLAG directly to the linker
+  -XCClinker FLAG   pass link-specific FLAG to the compiler driver (CC)
+
+All other options (arguments beginning with '-') are ignored.
+
+Every other argument is treated as a filename.  Files ending in '.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in '.la', then a libtool library is created,
+only library objects ('.lo' files) may be specified, and '-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created
+using 'ar' and 'ranlib', or on Windows using 'lib'.
+
+If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file
+is created, otherwise an executable program is created."
+        ;;
+
+      uninstall)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically '/bin/rm').  RM-OPTIONS are options (such as '-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      *)
+        func_fatal_help "invalid operation mode '$opt_mode'"
+        ;;
+    esac
+
+    echo
+    $ECHO "Try '$progname --help' for more information about other modes."
+}
+
+# Now that we've collected a possible --mode arg, show help if necessary
+if $opt_help; then
+  if test : = "$opt_help"; then
+    func_mode_help
+  else
+    {
+      func_help noexit
+      for opt_mode in compile link execute install finish uninstall clean; do
+	func_mode_help
+      done
+    } | $SED -n '1p; 2,$s/^Usage:/  or: /p'
+    {
+      func_help noexit
+      for opt_mode in compile link execute install finish uninstall clean; do
+	echo
+	func_mode_help
+      done
+    } |
+    $SED '1d
+      /^When reporting/,/^Report/{
+	H
+	d
+      }
+      $x
+      /information about other modes/d
+      /more detailed .*MODE/d
+      s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/'
+  fi
+  exit $?
+fi
+
+
+# func_mode_execute arg...
+func_mode_execute ()
+{
+    $debug_cmd
+
+    # The first argument is the command name.
+    cmd=$nonopt
+    test -z "$cmd" && \
+      func_fatal_help "you must specify a COMMAND"
+
+    # Handle -dlopen flags immediately.
+    for file in $opt_dlopen; do
+      test -f "$file" \
+	|| func_fatal_help "'$file' is not a file"
+
+      dir=
+      case $file in
+      *.la)
+	func_resolve_sysroot "$file"
+	file=$func_resolve_sysroot_result
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "'$lib' is not a valid libtool archive"
+
+	# Read the libtool library.
+	dlname=
+	library_names=
+	func_source "$file"
+
+	# Skip this library if it cannot be dlopened.
+	if test -z "$dlname"; then
+	  # Warn if it was a shared library.
+	  test -n "$library_names" && \
+	    func_warning "'$file' was not linked with '-export-dynamic'"
+	  continue
+	fi
+
+	func_dirname "$file" "" "."
+	dir=$func_dirname_result
+
+	if test -f "$dir/$objdir/$dlname"; then
+	  func_append dir "/$objdir"
+	else
+	  if test ! -f "$dir/$dlname"; then
+	    func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'"
+	  fi
+	fi
+	;;
+
+      *.lo)
+	# Just add the directory containing the .lo file.
+	func_dirname "$file" "" "."
+	dir=$func_dirname_result
+	;;
+
+      *)
+	func_warning "'-dlopen' is ignored for non-libtool libraries and objects"
+	continue
+	;;
+      esac
+
+      # Get the absolute pathname.
+      absdir=`cd "$dir" && pwd`
+      test -n "$absdir" && dir=$absdir
+
+      # Now add the directory to shlibpath_var.
+      if eval "test -z \"\$$shlibpath_var\""; then
+	eval "$shlibpath_var=\"\$dir\""
+      else
+	eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+      fi
+    done
+
+    # This variable tells wrapper scripts just to set shlibpath_var
+    # rather than running their programs.
+    libtool_execute_magic=$magic
+
+    # Check if any of the arguments is a wrapper script.
+    args=
+    for file
+    do
+      case $file in
+      -* | *.la | *.lo ) ;;
+      *)
+	# Do a test to see if this is really a libtool program.
+	if func_ltwrapper_script_p "$file"; then
+	  func_source "$file"
+	  # Transform arg to wrapped name.
+	  file=$progdir/$program
+	elif func_ltwrapper_executable_p "$file"; then
+	  func_ltwrapper_scriptname "$file"
+	  func_source "$func_ltwrapper_scriptname_result"
+	  # Transform arg to wrapped name.
+	  file=$progdir/$program
+	fi
+	;;
+      esac
+      # Quote arguments (to preserve shell metacharacters).
+      func_append_quoted args "$file"
+    done
+
+    if $opt_dry_run; then
+      # Display what would be done.
+      if test -n "$shlibpath_var"; then
+	eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
+	echo "export $shlibpath_var"
+      fi
+      $ECHO "$cmd$args"
+      exit $EXIT_SUCCESS
+    else
+      if test -n "$shlibpath_var"; then
+	# Export the shlibpath_var.
+	eval "export $shlibpath_var"
+      fi
+
+      # Restore saved environment variables
+      for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+      do
+	eval "if test \"\${save_$lt_var+set}\" = set; then
+                $lt_var=\$save_$lt_var; export $lt_var
+	      else
+		$lt_unset $lt_var
+	      fi"
+      done
+
+      # Now prepare to actually exec the command.
+      exec_cmd=\$cmd$args
+    fi
+}
+
+test execute = "$opt_mode" && func_mode_execute ${1+"$@"}
+
+
+# func_mode_finish arg...
+func_mode_finish ()
+{
+    $debug_cmd
+
+    libs=
+    libdirs=
+    admincmds=
+
+    for opt in "$nonopt" ${1+"$@"}
+    do
+      if test -d "$opt"; then
+	func_append libdirs " $opt"
+
+      elif test -f "$opt"; then
+	if func_lalib_unsafe_p "$opt"; then
+	  func_append libs " $opt"
+	else
+	  func_warning "'$opt' is not a valid libtool archive"
+	fi
+
+      else
+	func_fatal_error "invalid argument '$opt'"
+      fi
+    done
+
+    if test -n "$libs"; then
+      if test -n "$lt_sysroot"; then
+        sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"`
+        sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;"
+      else
+        sysroot_cmd=
+      fi
+
+      # Remove sysroot references
+      if $opt_dry_run; then
+        for lib in $libs; do
+          echo "removing references to $lt_sysroot and '=' prefixes from $lib"
+        done
+      else
+        tmpdir=`func_mktempdir`
+        for lib in $libs; do
+	  $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \
+	    > $tmpdir/tmp-la
+	  mv -f $tmpdir/tmp-la $lib
+	done
+        ${RM}r "$tmpdir"
+      fi
+    fi
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      for libdir in $libdirs; do
+	if test -n "$finish_cmds"; then
+	  # Do each command in the finish commands.
+	  func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
+'"$cmd"'"'
+	fi
+	if test -n "$finish_eval"; then
+	  # Do the single finish_eval.
+	  eval cmds=\"$finish_eval\"
+	  $opt_dry_run || eval "$cmds" || func_append admincmds "
+       $cmds"
+	fi
+      done
+    fi
+
+    # Exit here if they wanted silent mode.
+    $opt_quiet && exit $EXIT_SUCCESS
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      echo "----------------------------------------------------------------------"
+      echo "Libraries have been installed in:"
+      for libdir in $libdirs; do
+	$ECHO "   $libdir"
+      done
+      echo
+      echo "If you ever happen to want to link against installed libraries"
+      echo "in a given directory, LIBDIR, you must either use libtool, and"
+      echo "specify the full pathname of the library, or use the '-LLIBDIR'"
+      echo "flag during linking and do at least one of the following:"
+      if test -n "$shlibpath_var"; then
+	echo "   - add LIBDIR to the '$shlibpath_var' environment variable"
+	echo "     during execution"
+      fi
+      if test -n "$runpath_var"; then
+	echo "   - add LIBDIR to the '$runpath_var' environment variable"
+	echo "     during linking"
+      fi
+      if test -n "$hardcode_libdir_flag_spec"; then
+	libdir=LIBDIR
+	eval flag=\"$hardcode_libdir_flag_spec\"
+
+	$ECHO "   - use the '$flag' linker flag"
+      fi
+      if test -n "$admincmds"; then
+	$ECHO "   - have your system administrator run these commands:$admincmds"
+      fi
+      if test -f /etc/ld.so.conf; then
+	echo "   - have your system administrator add LIBDIR to '/etc/ld.so.conf'"
+      fi
+      echo
+
+      echo "See any operating system documentation about shared libraries for"
+      case $host in
+	solaris2.[6789]|solaris2.1[0-9])
+	  echo "more information, such as the ld(1), crle(1) and ld.so(8) manual"
+	  echo "pages."
+	  ;;
+	*)
+	  echo "more information, such as the ld(1) and ld.so(8) manual pages."
+	  ;;
+      esac
+      echo "----------------------------------------------------------------------"
+    fi
+    exit $EXIT_SUCCESS
+}
+
+test finish = "$opt_mode" && func_mode_finish ${1+"$@"}
+
+
+# func_mode_install arg...
+func_mode_install ()
+{
+    $debug_cmd
+
+    # There may be an optional sh(1) argument at the beginning of
+    # install_prog (especially on Windows NT).
+    if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" ||
+       # Allow the use of GNU shtool's install command.
+       case $nonopt in *shtool*) :;; *) false;; esac
+    then
+      # Aesthetically quote it.
+      func_quote_arg pretty "$nonopt"
+      install_prog="$func_quote_arg_result "
+      arg=$1
+      shift
+    else
+      install_prog=
+      arg=$nonopt
+    fi
+
+    # The real first argument should be the name of the installation program.
+    # Aesthetically quote it.
+    func_quote_arg pretty "$arg"
+    func_append install_prog "$func_quote_arg_result"
+    install_shared_prog=$install_prog
+    case " $install_prog " in
+      *[\\\ /]cp\ *) install_cp=: ;;
+      *) install_cp=false ;;
+    esac
+
+    # We need to accept at least all the BSD install flags.
+    dest=
+    files=
+    opts=
+    prev=
+    install_type=
+    isdir=false
+    stripme=
+    no_mode=:
+    for arg
+    do
+      arg2=
+      if test -n "$dest"; then
+	func_append files " $dest"
+	dest=$arg
+	continue
+      fi
+
+      case $arg in
+      -d) isdir=: ;;
+      -f)
+	if $install_cp; then :; else
+	  prev=$arg
+	fi
+	;;
+      -g | -m | -o)
+	prev=$arg
+	;;
+      -s)
+	stripme=" -s"
+	continue
+	;;
+      -*)
+	;;
+      *)
+	# If the previous option needed an argument, then skip it.
+	if test -n "$prev"; then
+	  if test X-m = "X$prev" && test -n "$install_override_mode"; then
+	    arg2=$install_override_mode
+	    no_mode=false
+	  fi
+	  prev=
+	else
+	  dest=$arg
+	  continue
+	fi
+	;;
+      esac
+
+      # Aesthetically quote the argument.
+      func_quote_arg pretty "$arg"
+      func_append install_prog " $func_quote_arg_result"
+      if test -n "$arg2"; then
+	func_quote_arg pretty "$arg2"
+      fi
+      func_append install_shared_prog " $func_quote_arg_result"
+    done
+
+    test -z "$install_prog" && \
+      func_fatal_help "you must specify an install program"
+
+    test -n "$prev" && \
+      func_fatal_help "the '$prev' option requires an argument"
+
+    if test -n "$install_override_mode" && $no_mode; then
+      if $install_cp; then :; else
+	func_quote_arg pretty "$install_override_mode"
+	func_append install_shared_prog " -m $func_quote_arg_result"
+      fi
+    fi
+
+    if test -z "$files"; then
+      if test -z "$dest"; then
+	func_fatal_help "no file or destination specified"
+      else
+	func_fatal_help "you must specify a destination"
+      fi
+    fi
+
+    # Strip any trailing slash from the destination.
+    func_stripname '' '/' "$dest"
+    dest=$func_stripname_result
+
+    # Check to see that the destination is a directory.
+    test -d "$dest" && isdir=:
+    if $isdir; then
+      destdir=$dest
+      destname=
+    else
+      func_dirname_and_basename "$dest" "" "."
+      destdir=$func_dirname_result
+      destname=$func_basename_result
+
+      # Not a directory, so check to see that there is only one file specified.
+      set dummy $files; shift
+      test "$#" -gt 1 && \
+	func_fatal_help "'$dest' is not a directory"
+    fi
+    case $destdir in
+    [\\/]* | [A-Za-z]:[\\/]*) ;;
+    *)
+      for file in $files; do
+	case $file in
+	*.lo) ;;
+	*)
+	  func_fatal_help "'$destdir' must be an absolute directory name"
+	  ;;
+	esac
+      done
+      ;;
+    esac
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic=$magic
+
+    staticlibs=
+    future_libdirs=
+    current_libdirs=
+    for file in $files; do
+
+      # Do each installation.
+      case $file in
+      *.$libext)
+	# Do the static libraries later.
+	func_append staticlibs " $file"
+	;;
+
+      *.la)
+	func_resolve_sysroot "$file"
+	file=$func_resolve_sysroot_result
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "'$file' is not a valid libtool archive"
+
+	library_names=
+	old_library=
+	relink_command=
+	func_source "$file"
+
+	# Add the libdir to current_libdirs if it is the destination.
+	if test "X$destdir" = "X$libdir"; then
+	  case "$current_libdirs " in
+	  *" $libdir "*) ;;
+	  *) func_append current_libdirs " $libdir" ;;
+	  esac
+	else
+	  # Note the libdir as a future libdir.
+	  case "$future_libdirs " in
+	  *" $libdir "*) ;;
+	  *) func_append future_libdirs " $libdir" ;;
+	  esac
+	fi
+
+	func_dirname "$file" "/" ""
+	dir=$func_dirname_result
+	func_append dir "$objdir"
+
+	if test -n "$relink_command"; then
+	  # Determine the prefix the user has applied to our future dir.
+	  inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"`
+
+	  # Don't allow the user to place us outside of our expected
+	  # location b/c this prevents finding dependent libraries that
+	  # are installed to the same prefix.
+	  # At present, this check doesn't affect windows .dll's that
+	  # are installed into $libdir/../bin (currently, that works fine)
+	  # but it's something to keep an eye on.
+	  test "$inst_prefix_dir" = "$destdir" && \
+	    func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir"
+
+	  if test -n "$inst_prefix_dir"; then
+	    # Stick the inst_prefix_dir data into the link command.
+	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
+	  else
+	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"`
+	  fi
+
+	  func_warning "relinking '$file'"
+	  func_show_eval "$relink_command" \
+	    'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"'
+	fi
+
+	# See the names of the shared library.
+	set dummy $library_names; shift
+	if test -n "$1"; then
+	  realname=$1
+	  shift
+
+	  srcname=$realname
+	  test -n "$relink_command" && srcname=${realname}T
+
+	  # Install the shared library and build the symlinks.
+	  func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \
+	      'exit $?'
+	  tstripme=$stripme
+	  case $host_os in
+	  cygwin* | mingw* | pw32* | cegcc*)
+	    case $realname in
+	    *.dll.a)
+	      tstripme=
+	      ;;
+	    esac
+	    ;;
+	  os2*)
+	    case $realname in
+	    *_dll.a)
+	      tstripme=
+	      ;;
+	    esac
+	    ;;
+	  esac
+	  if test -n "$tstripme" && test -n "$striplib"; then
+	    func_show_eval "$striplib $destdir/$realname" 'exit $?'
+	  fi
+
+	  if test "$#" -gt 0; then
+	    # Delete the old symlinks, and create new ones.
+	    # Try 'ln -sf' first, because the 'ln' binary might depend on
+	    # the symlink we replace!  Solaris /bin/ln does not understand -f,
+	    # so we also need to try rm && ln -s.
+	    for linkname
+	    do
+	      test "$linkname" != "$realname" \
+		&& func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
+	    done
+	  fi
+
+	  # Do each command in the postinstall commands.
+	  lib=$destdir/$realname
+	  func_execute_cmds "$postinstall_cmds" 'exit $?'
+	fi
+
+	# Install the pseudo-library for information purposes.
+	func_basename "$file"
+	name=$func_basename_result
+	instname=$dir/${name}i
+	func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
+
+	# Maybe install the static library, too.
+	test -n "$old_library" && func_append staticlibs " $dir/$old_library"
+	;;
+
+      *.lo)
+	# Install (i.e. copy) a libtool object.
+
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile=$destdir/$destname
+	else
+	  func_basename "$file"
+	  destfile=$func_basename_result
+	  destfile=$destdir/$destfile
+	fi
+
+	# Deduce the name of the destination old-style object file.
+	case $destfile in
+	*.lo)
+	  func_lo2o "$destfile"
+	  staticdest=$func_lo2o_result
+	  ;;
+	*.$objext)
+	  staticdest=$destfile
+	  destfile=
+	  ;;
+	*)
+	  func_fatal_help "cannot copy a libtool object to '$destfile'"
+	  ;;
+	esac
+
+	# Install the libtool object if requested.
+	test -n "$destfile" && \
+	  func_show_eval "$install_prog $file $destfile" 'exit $?'
+
+	# Install the old object if enabled.
+	if test yes = "$build_old_libs"; then
+	  # Deduce the name of the old-style object file.
+	  func_lo2o "$file"
+	  staticobj=$func_lo2o_result
+	  func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
+	fi
+	exit $EXIT_SUCCESS
+	;;
+
+      *)
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile=$destdir/$destname
+	else
+	  func_basename "$file"
+	  destfile=$func_basename_result
+	  destfile=$destdir/$destfile
+	fi
+
+	# If the file is missing, and there is a .exe on the end, strip it
+	# because it is most likely a libtool script we actually want to
+	# install
+	stripped_ext=
+	case $file in
+	  *.exe)
+	    if test ! -f "$file"; then
+	      func_stripname '' '.exe' "$file"
+	      file=$func_stripname_result
+	      stripped_ext=.exe
+	    fi
+	    ;;
+	esac
+
+	# Do a test to see if this is really a libtool program.
+	case $host in
+	*cygwin* | *mingw*)
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      wrapper=$func_ltwrapper_scriptname_result
+	    else
+	      func_stripname '' '.exe' "$file"
+	      wrapper=$func_stripname_result
+	    fi
+	    ;;
+	*)
+	    wrapper=$file
+	    ;;
+	esac
+	if func_ltwrapper_script_p "$wrapper"; then
+	  notinst_deplibs=
+	  relink_command=
+
+	  func_source "$wrapper"
+
+	  # Check the variables that should have been set.
+	  test -z "$generated_by_libtool_version" && \
+	    func_fatal_error "invalid libtool wrapper script '$wrapper'"
+
+	  finalize=:
+	  for lib in $notinst_deplibs; do
+	    # Check to see that each library is installed.
+	    libdir=
+	    if test -f "$lib"; then
+	      func_source "$lib"
+	    fi
+	    libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'`
+	    if test -n "$libdir" && test ! -f "$libfile"; then
+	      func_warning "'$lib' has not been installed in '$libdir'"
+	      finalize=false
+	    fi
+	  done
+
+	  relink_command=
+	  func_source "$wrapper"
+
+	  outputname=
+	  if test no = "$fast_install" && test -n "$relink_command"; then
+	    $opt_dry_run || {
+	      if $finalize; then
+	        tmpdir=`func_mktempdir`
+		func_basename "$file$stripped_ext"
+		file=$func_basename_result
+	        outputname=$tmpdir/$file
+	        # Replace the output file specification.
+	        relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
+
+	        $opt_quiet || {
+	          func_quote_arg expand,pretty "$relink_command"
+		  eval "func_echo $func_quote_arg_result"
+	        }
+	        if eval "$relink_command"; then :
+	          else
+		  func_error "error: relink '$file' with the above command before installing it"
+		  $opt_dry_run || ${RM}r "$tmpdir"
+		  continue
+	        fi
+	        file=$outputname
+	      else
+	        func_warning "cannot relink '$file'"
+	      fi
+	    }
+	  else
+	    # Install the binary that we compiled earlier.
+	    file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"`
+	  fi
+	fi
+
+	# remove .exe since cygwin /usr/bin/install will append another
+	# one anyway
+	case $install_prog,$host in
+	*/usr/bin/install*,*cygwin*)
+	  case $file:$destfile in
+	  *.exe:*.exe)
+	    # this is ok
+	    ;;
+	  *.exe:*)
+	    destfile=$destfile.exe
+	    ;;
+	  *:*.exe)
+	    func_stripname '' '.exe' "$destfile"
+	    destfile=$func_stripname_result
+	    ;;
+	  esac
+	  ;;
+	esac
+	func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
+	$opt_dry_run || if test -n "$outputname"; then
+	  ${RM}r "$tmpdir"
+	fi
+	;;
+      esac
+    done
+
+    for file in $staticlibs; do
+      func_basename "$file"
+      name=$func_basename_result
+
+      # Set up the ranlib parameters.
+      oldlib=$destdir/$name
+      func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+      tool_oldlib=$func_to_tool_file_result
+
+      func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
+
+      if test -n "$stripme" && test -n "$old_striplib"; then
+	func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
+      fi
+
+      # Do each command in the postinstall commands.
+      func_execute_cmds "$old_postinstall_cmds" 'exit $?'
+    done
+
+    test -n "$future_libdirs" && \
+      func_warning "remember to run '$progname --finish$future_libdirs'"
+
+    if test -n "$current_libdirs"; then
+      # Maybe just do a dry run.
+      $opt_dry_run && current_libdirs=" -n$current_libdirs"
+      exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs'
+    else
+      exit $EXIT_SUCCESS
+    fi
+}
+
+test install = "$opt_mode" && func_mode_install ${1+"$@"}
+
+
+# func_generate_dlsyms outputname originator pic_p
+# Extract symbols from dlprefiles and create ${outputname}S.o with
+# a dlpreopen symbol table.
+func_generate_dlsyms ()
+{
+    $debug_cmd
+
+    my_outputname=$1
+    my_originator=$2
+    my_pic_p=${3-false}
+    my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'`
+    my_dlsyms=
+
+    if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
+      if test -n "$NM" && test -n "$global_symbol_pipe"; then
+	my_dlsyms=${my_outputname}S.c
+      else
+	func_error "not configured to extract global symbols from dlpreopened files"
+      fi
+    fi
+
+    if test -n "$my_dlsyms"; then
+      case $my_dlsyms in
+      "") ;;
+      *.c)
+	# Discover the nlist of each of the dlfiles.
+	nlist=$output_objdir/$my_outputname.nm
+
+	func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
+
+	# Parse the name list into a source file.
+	func_verbose "creating $output_objdir/$my_dlsyms"
+
+	$opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
+/* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */
+/* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+#if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
+#pragma GCC diagnostic ignored \"-Wstrict-prototypes\"
+#endif
+
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
+/* DATA imports from DLLs on WIN32 can't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT_DLSYM_CONST
+#elif defined __osf__
+/* This system does not cope well with relocations in const data.  */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0)
+
+/* External symbol declarations for the compiler. */\
+"
+
+	if test yes = "$dlself"; then
+	  func_verbose "generating symbol list for '$output'"
+
+	  $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
+
+	  # Add our own program objects to the symbol list.
+	  progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	  for progfile in $progfiles; do
+	    func_to_tool_file "$progfile" func_convert_file_msys_to_w32
+	    func_verbose "extracting global C symbols from '$func_to_tool_file_result'"
+	    $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'"
+	  done
+
+	  if test -n "$exclude_expsyms"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  if test -n "$export_symbols_regex"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  # Prepare the list of exported symbols
+	  if test -z "$export_symbols"; then
+	    export_symbols=$output_objdir/$outputname.exp
+	    $opt_dry_run || {
+	      $RM $export_symbols
+	      eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+	      case $host in
+	      *cygwin* | *mingw* | *cegcc* )
+                eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+                eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+	        ;;
+	      esac
+	    }
+	  else
+	    $opt_dry_run || {
+	      eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+	      eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	      case $host in
+	        *cygwin* | *mingw* | *cegcc* )
+	          eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+	          eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+	          ;;
+	      esac
+	    }
+	  fi
+	fi
+
+	for dlprefile in $dlprefiles; do
+	  func_verbose "extracting global C symbols from '$dlprefile'"
+	  func_basename "$dlprefile"
+	  name=$func_basename_result
+          case $host in
+	    *cygwin* | *mingw* | *cegcc* )
+	      # if an import library, we need to obtain dlname
+	      if func_win32_import_lib_p "$dlprefile"; then
+	        func_tr_sh "$dlprefile"
+	        eval "curr_lafile=\$libfile_$func_tr_sh_result"
+	        dlprefile_dlbasename=
+	        if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then
+	          # Use subshell, to avoid clobbering current variable values
+	          dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"`
+	          if test -n "$dlprefile_dlname"; then
+	            func_basename "$dlprefile_dlname"
+	            dlprefile_dlbasename=$func_basename_result
+	          else
+	            # no lafile. user explicitly requested -dlpreopen <import library>.
+	            $sharedlib_from_linklib_cmd "$dlprefile"
+	            dlprefile_dlbasename=$sharedlib_from_linklib_result
+	          fi
+	        fi
+	        $opt_dry_run || {
+	          if test -n "$dlprefile_dlbasename"; then
+	            eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"'
+	          else
+	            func_warning "Could not compute DLL name from $name"
+	            eval '$ECHO ": $name " >> "$nlist"'
+	          fi
+	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe |
+	            $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'"
+	        }
+	      else # not an import lib
+	        $opt_dry_run || {
+	          eval '$ECHO ": $name " >> "$nlist"'
+	          func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	          eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+	        }
+	      fi
+	    ;;
+	    *)
+	      $opt_dry_run || {
+	        eval '$ECHO ": $name " >> "$nlist"'
+	        func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+	        eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+	      }
+	    ;;
+          esac
+	done
+
+	$opt_dry_run || {
+	  # Make sure we have at least an empty file.
+	  test -f "$nlist" || : > "$nlist"
+
+	  if test -n "$exclude_expsyms"; then
+	    $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+	    $MV "$nlist"T "$nlist"
+	  fi
+
+	  # Try sorting and uniquifying the output.
+	  if $GREP -v "^: " < "$nlist" |
+	      if sort -k 3 </dev/null >/dev/null 2>&1; then
+		sort -k 3
+	      else
+		sort +2
+	      fi |
+	      uniq > "$nlist"S; then
+	    :
+	  else
+	    $GREP -v "^: " < "$nlist" > "$nlist"S
+	  fi
+
+	  if test -f "$nlist"S; then
+	    eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
+	  else
+	    echo '/* NONE */' >> "$output_objdir/$my_dlsyms"
+	  fi
+
+	  func_show_eval '$RM "${nlist}I"'
+	  if test -n "$global_symbol_to_import"; then
+	    eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I'
+	  fi
+
+	  echo >> "$output_objdir/$my_dlsyms" "\
+
+/* The mapping between symbol names and symbols.  */
+typedef struct {
+  const char *name;
+  void *address;
+} lt_dlsymlist;
+extern LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[];\
+"
+
+	  if test -s "$nlist"I; then
+	    echo >> "$output_objdir/$my_dlsyms" "\
+static void lt_syminit(void)
+{
+  LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols;
+  for (; symbol->name; ++symbol)
+    {"
+	    $SED 's/.*/      if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms"
+	    echo >> "$output_objdir/$my_dlsyms" "\
+    }
+}"
+	  fi
+	  echo >> "$output_objdir/$my_dlsyms" "\
+LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[] =
+{ {\"$my_originator\", (void *) 0},"
+
+	  if test -s "$nlist"I; then
+	    echo >> "$output_objdir/$my_dlsyms" "\
+  {\"@INIT@\", (void *) &lt_syminit},"
+	  fi
+
+	  case $need_lib_prefix in
+	  no)
+	    eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  *)
+	    eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  esac
+	  echo >> "$output_objdir/$my_dlsyms" "\
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt_${my_prefix}_LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+	} # !$opt_dry_run
+
+	pic_flag_for_symtable=
+	case "$compile_command " in
+	*" -static "*) ;;
+	*)
+	  case $host in
+	  # compiling the symbol table file with pic_flag works around
+	  # a FreeBSD bug that causes programs to crash when -lm is
+	  # linked before any other PIC object.  But we must not use
+	  # pic_flag when linking with -static.  The problem exists in
+	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+	  *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
+	  *-*-hpux*)
+	    pic_flag_for_symtable=" $pic_flag"  ;;
+	  *)
+	    $my_pic_p && pic_flag_for_symtable=" $pic_flag"
+	    ;;
+	  esac
+	  ;;
+	esac
+	symtab_cflags=
+	for arg in $LTCFLAGS; do
+	  case $arg in
+	  -pie | -fpie | -fPIE) ;;
+	  *) func_append symtab_cflags " $arg" ;;
+	  esac
+	done
+
+	# Now compile the dynamic symbol file.
+	func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
+
+	# Clean up the generated files.
+	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"'
+
+	# Transform the symbol file into the correct name.
+	symfileobj=$output_objdir/${my_outputname}S.$objext
+	case $host in
+	*cygwin* | *mingw* | *cegcc* )
+	  if test -f "$output_objdir/$my_outputname.def"; then
+	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	  else
+	    compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	    finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  fi
+	  ;;
+	*)
+	  compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+	  ;;
+	esac
+	;;
+      *)
+	func_fatal_error "unknown suffix for '$my_dlsyms'"
+	;;
+      esac
+    else
+      # We keep going just in case the user didn't refer to
+      # lt_preloaded_symbols.  The linker will fail if global_symbol_pipe
+      # really was required.
+
+      # Nullify the symbol file.
+      compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"`
+      finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"`
+    fi
+}
+
+# func_cygming_gnu_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is a GNU/binutils-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_gnu_implib_p ()
+{
+  $debug_cmd
+
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'`
+  test -n "$func_cygming_gnu_implib_tmp"
+}
+
+# func_cygming_ms_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is an MS-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_ms_implib_p ()
+{
+  $debug_cmd
+
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
+  test -n "$func_cygming_ms_implib_tmp"
+}
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+# Despite the name, also deal with 64 bit binaries.
+func_win32_libid ()
+{
+  $debug_cmd
+
+  win32_libid_type=unknown
+  win32_fileres=`file -L $1 2>/dev/null`
+  case $win32_fileres in
+  *ar\ archive\ import\ library*) # definitely import
+    win32_libid_type="x86 archive import"
+    ;;
+  *ar\ archive*) # could be an import, or static
+    # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD.
+    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
+       $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then
+      case $nm_interface in
+      "MS dumpbin")
+	if func_cygming_ms_implib_p "$1" ||
+	   func_cygming_gnu_implib_p "$1"
+	then
+	  win32_nmres=import
+	else
+	  win32_nmres=
+	fi
+	;;
+      *)
+	func_to_tool_file "$1" func_convert_file_msys_to_w32
+	win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
+	  $SED -n -e '
+	    1,100{
+		/ I /{
+		    s|.*|import|
+		    p
+		    q
+		}
+	    }'`
+	;;
+      esac
+      case $win32_nmres in
+      import*)  win32_libid_type="x86 archive import";;
+      *)        win32_libid_type="x86 archive static";;
+      esac
+    fi
+    ;;
+  *DLL*)
+    win32_libid_type="x86 DLL"
+    ;;
+  *executable*) # but shell scripts are "executable" too...
+    case $win32_fileres in
+    *MS\ Windows\ PE\ Intel*)
+      win32_libid_type="x86 DLL"
+      ;;
+    esac
+    ;;
+  esac
+  $ECHO "$win32_libid_type"
+}
+
+# func_cygming_dll_for_implib ARG
+#
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+# Invoked by eval'ing the libtool variable
+#    $sharedlib_from_linklib_cmd
+# Result is available in the variable
+#    $sharedlib_from_linklib_result
+func_cygming_dll_for_implib ()
+{
+  $debug_cmd
+
+  sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"`
+}
+
+# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs
+#
+# The is the core of a fallback implementation of a
+# platform-specific function to extract the name of the
+# DLL associated with the specified import library LIBNAME.
+#
+# SECTION_NAME is either .idata$6 or .idata$7, depending
+# on the platform and compiler that created the implib.
+#
+# Echos the name of the DLL associated with the
+# specified import library.
+func_cygming_dll_for_implib_fallback_core ()
+{
+  $debug_cmd
+
+  match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"`
+  $OBJDUMP -s --section "$1" "$2" 2>/dev/null |
+    $SED '/^Contents of section '"$match_literal"':/{
+      # Place marker at beginning of archive member dllname section
+      s/.*/====MARK====/
+      p
+      d
+    }
+    # These lines can sometimes be longer than 43 characters, but
+    # are always uninteresting
+    /:[	 ]*file format pe[i]\{,1\}-/d
+    /^In archive [^:]*:/d
+    # Ensure marker is printed
+    /^====MARK====/p
+    # Remove all lines with less than 43 characters
+    /^.\{43\}/!d
+    # From remaining lines, remove first 43 characters
+    s/^.\{43\}//' |
+    $SED -n '
+      # Join marker and all lines until next marker into a single line
+      /^====MARK====/ b para
+      H
+      $ b para
+      b
+      :para
+      x
+      s/\n//g
+      # Remove the marker
+      s/^====MARK====//
+      # Remove trailing dots and whitespace
+      s/[\. \t]*$//
+      # Print
+      /./p' |
+    # we now have a list, one entry per line, of the stringified
+    # contents of the appropriate section of all members of the
+    # archive that possess that section. Heuristic: eliminate
+    # all those that have a first or second character that is
+    # a '.' (that is, objdump's representation of an unprintable
+    # character.) This should work for all archives with less than
+    # 0x302f exports -- but will fail for DLLs whose name actually
+    # begins with a literal '.' or a single character followed by
+    # a '.'.
+    #
+    # Of those that remain, print the first one.
+    $SED -e '/^\./d;/^.\./d;q'
+}
+
+# func_cygming_dll_for_implib_fallback ARG
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+#
+# This fallback implementation is for use when $DLLTOOL
+# does not support the --identify-strict option.
+# Invoked by eval'ing the libtool variable
+#    $sharedlib_from_linklib_cmd
+# Result is available in the variable
+#    $sharedlib_from_linklib_result
+func_cygming_dll_for_implib_fallback ()
+{
+  $debug_cmd
+
+  if func_cygming_gnu_implib_p "$1"; then
+    # binutils import library
+    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"`
+  elif func_cygming_ms_implib_p "$1"; then
+    # ms-generated import library
+    sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"`
+  else
+    # unknown
+    sharedlib_from_linklib_result=
+  fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+    $debug_cmd
+
+    f_ex_an_ar_dir=$1; shift
+    f_ex_an_ar_oldlib=$1
+    if test yes = "$lock_old_archive_extraction"; then
+      lockfile=$f_ex_an_ar_oldlib.lock
+      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+	func_echo "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    fi
+    func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \
+		   'stat=$?; rm -f "$lockfile"; exit $stat'
+    if test yes = "$lock_old_archive_extraction"; then
+      $opt_dry_run || rm -f "$lockfile"
+    fi
+    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+     :
+    else
+      func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
+    fi
+}
+
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+    $debug_cmd
+
+    my_gentop=$1; shift
+    my_oldlibs=${1+"$@"}
+    my_oldobjs=
+    my_xlib=
+    my_xabs=
+    my_xdir=
+
+    for my_xlib in $my_oldlibs; do
+      # Extract the objects.
+      case $my_xlib in
+	[\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;;
+	*) my_xabs=`pwd`"/$my_xlib" ;;
+      esac
+      func_basename "$my_xlib"
+      my_xlib=$func_basename_result
+      my_xlib_u=$my_xlib
+      while :; do
+        case " $extracted_archives " in
+	*" $my_xlib_u "*)
+	  func_arith $extracted_serial + 1
+	  extracted_serial=$func_arith_result
+	  my_xlib_u=lt$extracted_serial-$my_xlib ;;
+	*) break ;;
+	esac
+      done
+      extracted_archives="$extracted_archives $my_xlib_u"
+      my_xdir=$my_gentop/$my_xlib_u
+
+      func_mkdir_p "$my_xdir"
+
+      case $host in
+      *-darwin*)
+	func_verbose "Extracting $my_xabs"
+	# Do not bother doing anything if just a dry run
+	$opt_dry_run || {
+	  darwin_orig_dir=`pwd`
+	  cd $my_xdir || exit $?
+	  darwin_archive=$my_xabs
+	  darwin_curdir=`pwd`
+	  func_basename "$darwin_archive"
+	  darwin_base_archive=$func_basename_result
+	  darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
+	  if test -n "$darwin_arches"; then
+	    darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
+	    darwin_arch=
+	    func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
+	    for darwin_arch in  $darwin_arches; do
+	      func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch"
+	      $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive"
+	      cd "unfat-$$/$darwin_base_archive-$darwin_arch"
+	      func_extract_an_archive "`pwd`" "$darwin_base_archive"
+	      cd "$darwin_curdir"
+	      $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive"
+	    done # $darwin_arches
+            ## Okay now we've a bunch of thin objects, gotta fatten them up :)
+	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u`
+	    darwin_file=
+	    darwin_files=
+	    for darwin_file in $darwin_filelist; do
+	      darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP`
+	      $LIPO -create -output "$darwin_file" $darwin_files
+	    done # $darwin_filelist
+	    $RM -rf unfat-$$
+	    cd "$darwin_orig_dir"
+	  else
+	    cd $darwin_orig_dir
+	    func_extract_an_archive "$my_xdir" "$my_xabs"
+	  fi # $darwin_arches
+	} # !$opt_dry_run
+	;;
+      *)
+        func_extract_an_archive "$my_xdir" "$my_xabs"
+	;;
+      esac
+      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP`
+    done
+
+    func_extract_archives_result=$my_oldobjs
+}
+
+
+# func_emit_wrapper [arg=no]
+#
+# Emit a libtool wrapper script on stdout.
+# Don't directly open a file because we may want to
+# incorporate the script contents within a cygwin/mingw
+# wrapper executable.  Must ONLY be called from within
+# func_mode_link because it depends on a number of variables
+# set therein.
+#
+# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
+# variable will take.  If 'yes', then the emitted script
+# will assume that the directory where it is stored is
+# the $objdir directory.  This is a cygwin/mingw-specific
+# behavior.
+func_emit_wrapper ()
+{
+	func_emit_wrapper_arg1=${1-no}
+
+	$ECHO "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+  # install mode needs the following variables:
+  generated_by_libtool_version='$macro_version'
+  notinst_deplibs='$notinst_deplibs'
+else
+  # When we are sourced in execute mode, \$file and \$ECHO are already set.
+  if test \"\$libtool_execute_magic\" != \"$magic\"; then
+    file=\"\$0\""
+
+    func_quote_arg pretty "$ECHO"
+    qECHO=$func_quote_arg_result
+    $ECHO "\
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+    ECHO=$qECHO
+  fi
+
+# Very basic option parsing. These options are (a) specific to
+# the libtool wrapper, (b) are identical between the wrapper
+# /script/ and the wrapper /executable/ that is used only on
+# windows platforms, and (c) all begin with the string "--lt-"
+# (application programs are unlikely to have options that match
+# this pattern).
+#
+# There are only two supported options: --lt-debug and
+# --lt-dump-script. There is, deliberately, no --lt-help.
+#
+# The first argument to this parsing function should be the
+# script's $0 value, followed by "$@".
+lt_option_debug=
+func_parse_lt_options ()
+{
+  lt_script_arg0=\$0
+  shift
+  for lt_opt
+  do
+    case \"\$lt_opt\" in
+    --lt-debug) lt_option_debug=1 ;;
+    --lt-dump-script)
+        lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\`
+        test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=.
+        lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\`
+        cat \"\$lt_dump_D/\$lt_dump_F\"
+        exit 0
+      ;;
+    --lt-*)
+        \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2
+        exit 1
+      ;;
+    esac
+  done
+
+  # Print the debug banner immediately:
+  if test -n \"\$lt_option_debug\"; then
+    echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2
+  fi
+}
+
+# Used when --lt-debug. Prints its arguments to stdout
+# (redirection is the responsibility of the caller)
+func_lt_dump_args ()
+{
+  lt_dump_args_N=1;
+  for lt_arg
+  do
+    \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\"
+    lt_dump_args_N=\`expr \$lt_dump_args_N + 1\`
+  done
+}
+
+# Core function for launching the target application
+func_exec_program_core ()
+{
+"
+  case $host in
+  # Backslashes separate directories on plain windows
+  *-*-mingw | *-*-os2* | *-cegcc*)
+    $ECHO "\
+      if test -n \"\$lt_option_debug\"; then
+        \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2
+        func_lt_dump_args \${1+\"\$@\"} 1>&2
+      fi
+      exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+    ;;
+
+  *)
+    $ECHO "\
+      if test -n \"\$lt_option_debug\"; then
+        \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2
+        func_lt_dump_args \${1+\"\$@\"} 1>&2
+      fi
+      exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+    ;;
+  esac
+  $ECHO "\
+      \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
+      exit 1
+}
+
+# A function to encapsulate launching the target application
+# Strips options in the --lt-* namespace from \$@ and
+# launches target application with the remaining arguments.
+func_exec_program ()
+{
+  case \" \$* \" in
+  *\\ --lt-*)
+    for lt_wr_arg
+    do
+      case \$lt_wr_arg in
+      --lt-*) ;;
+      *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+      esac
+      shift
+    done ;;
+  esac
+  func_exec_program_core \${1+\"\$@\"}
+}
+
+  # Parse options
+  func_parse_lt_options \"\$0\" \${1+\"\$@\"}
+
+  # Find the directory that this script lives in.
+  thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\`
+  test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+  # Follow symbolic links until we get to the real thisdir.
+  file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\`
+  while test -n \"\$file\"; do
+    destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\`
+
+    # If there was a directory component, then change thisdir.
+    if test \"x\$destdir\" != \"x\$file\"; then
+      case \"\$destdir\" in
+      [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+      *) thisdir=\"\$thisdir/\$destdir\" ;;
+      esac
+    fi
+
+    file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\`
+    file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\`
+  done
+
+  # Usually 'no', except on cygwin/mingw when embedded into
+  # the cwrapper.
+  WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
+  if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
+    # special case for '.'
+    if test \"\$thisdir\" = \".\"; then
+      thisdir=\`pwd\`
+    fi
+    # remove .libs from thisdir
+    case \"\$thisdir\" in
+    *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;;
+    $objdir )   thisdir=. ;;
+    esac
+  fi
+
+  # Try to get the absolute directory name.
+  absdir=\`cd \"\$thisdir\" && pwd\`
+  test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+	if test yes = "$fast_install"; then
+	  $ECHO "\
+  program=lt-'$outputname'$exeext
+  progdir=\"\$thisdir/$objdir\"
+
+  if test ! -f \"\$progdir/\$program\" ||
+     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\
+       test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+    file=\"\$\$-\$program\"
+
+    if test ! -d \"\$progdir\"; then
+      $MKDIR \"\$progdir\"
+    else
+      $RM \"\$progdir/\$file\"
+    fi"
+
+	  $ECHO "\
+
+    # relink executable if necessary
+    if test -n \"\$relink_command\"; then
+      if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+      else
+	\$ECHO \"\$relink_command_output\" >&2
+	$RM \"\$progdir/\$file\"
+	exit 1
+      fi
+    fi
+
+    $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+    { $RM \"\$progdir/\$program\";
+      $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+    $RM \"\$progdir/\$file\"
+  fi"
+	else
+	  $ECHO "\
+  program='$outputname'
+  progdir=\"\$thisdir/$objdir\"
+"
+	fi
+
+	$ECHO "\
+
+  if test -f \"\$progdir/\$program\"; then"
+
+	# fixup the dll searchpath if we need to.
+	#
+	# Fix the DLL searchpath if we need to.  Do this before prepending
+	# to shlibpath, because on Windows, both are PATH and uninstalled
+	# libraries must come first.
+	if test -n "$dllsearchpath"; then
+	  $ECHO "\
+    # Add the dll search path components to the executable PATH
+    PATH=$dllsearchpath:\$PATH
+"
+	fi
+
+	# Export our shlibpath_var if we have one.
+	if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+	  $ECHO "\
+    # Add our own library path to $shlibpath_var
+    $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+    # Some systems cannot cope with colon-terminated $shlibpath_var
+    # The second colon is a workaround for a bug in BeOS R4 sed
+    $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\`
+
+    export $shlibpath_var
+"
+	fi
+
+	$ECHO "\
+    if test \"\$libtool_execute_magic\" != \"$magic\"; then
+      # Run the actual program with our arguments.
+      func_exec_program \${1+\"\$@\"}
+    fi
+  else
+    # The program doesn't exist.
+    \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2
+    \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
+    \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
+    exit 1
+  fi
+fi\
+"
+}
+
+
+# func_emit_cwrapperexe_src
+# emit the source code for a wrapper executable on stdout
+# Must ONLY be called from within func_mode_link because
+# it depends on a number of variable set therein.
+func_emit_cwrapperexe_src ()
+{
+	cat <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+   Generated by $PROGRAM (GNU $PACKAGE) $VERSION
+
+   The $output program cannot be directly executed until all the libtool
+   libraries that it depends on are installed.
+
+   This wrapper executable should never be moved out of the build directory.
+   If it is, it will not operate correctly.
+*/
+EOF
+	    cat <<"EOF"
+#ifdef _MSC_VER
+# define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+# include <direct.h>
+# include <process.h>
+# include <io.h>
+#else
+# include <unistd.h>
+# include <stdint.h>
+# ifdef __CYGWIN__
+#  include <io.h>
+# endif
+#endif
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0)
+
+/* declarations of non-ANSI functions */
+#if defined __MINGW32__
+# ifdef __STRICT_ANSI__
+int _putenv (const char *);
+# endif
+#elif defined __CYGWIN__
+# ifdef __STRICT_ANSI__
+char *realpath (const char *, char *);
+int putenv (char *);
+int setenv (const char *, const char *, int);
+# endif
+/* #elif defined other_platform || defined ... */
+#endif
+
+/* portability defines, excluding path handling macros */
+#if defined _MSC_VER
+# define setmode _setmode
+# define stat    _stat
+# define chmod   _chmod
+# define getcwd  _getcwd
+# define putenv  _putenv
+# define S_IXUSR _S_IEXEC
+#elif defined __MINGW32__
+# define setmode _setmode
+# define stat    _stat
+# define chmod   _chmod
+# define getcwd  _getcwd
+# define putenv  _putenv
+#elif defined __CYGWIN__
+# define HAVE_SETENV
+# define FOPEN_WB "wb"
+/* #elif defined other platforms ... */
+#endif
+
+#if defined PATH_MAX
+# define LT_PATHMAX PATH_MAX
+#elif defined MAXPATHLEN
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef S_IXOTH
+# define S_IXOTH 0
+#endif
+#ifndef S_IXGRP
+# define S_IXGRP 0
+#endif
+
+/* path handling portability macros */
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \
+  defined __OS2__
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# define FOPEN_WB "wb"
+# ifndef DIR_SEPARATOR_2
+#  define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+#  define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+	(((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#ifndef FOPEN_WB
+# define FOPEN_WB "w"
+#endif
+#ifndef _O_BINARY
+# define _O_BINARY 0
+#endif
+
+#define XMALLOC(type, num)      ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+  if (stale) { free (stale); stale = 0; } \
+} while (0)
+
+#if defined LT_DEBUGWRAPPER
+static int lt_debug = 1;
+#else
+static int lt_debug = 0;
+#endif
+
+const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */
+
+void *xmalloc (size_t num);
+char *xstrdup (const char *string);
+const char *base_name (const char *name);
+char *find_executable (const char *wrapper);
+char *chase_symlinks (const char *pathspec);
+int make_executable (const char *path);
+int check_executable (const char *path);
+char *strendzap (char *str, const char *pat);
+void lt_debugprintf (const char *file, int line, const char *fmt, ...);
+void lt_fatal (const char *file, int line, const char *message, ...);
+static const char *nonnull (const char *s);
+static const char *nonempty (const char *s);
+void lt_setenv (const char *name, const char *value);
+char *lt_extend_str (const char *orig_value, const char *add, int to_end);
+void lt_update_exe_path (const char *name, const char *value);
+void lt_update_lib_path (const char *name, const char *value);
+char **prepare_spawn (char **argv);
+void lt_dump_script (FILE *f);
+EOF
+
+	    cat <<EOF
+#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
+# define externally_visible volatile
+#else
+# define externally_visible __attribute__((externally_visible)) volatile
+#endif
+externally_visible const char * MAGIC_EXE = "$magic_exe";
+const char * LIB_PATH_VARNAME = "$shlibpath_var";
+EOF
+
+	    if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+              func_to_host_path "$temp_rpath"
+	      cat <<EOF
+const char * LIB_PATH_VALUE   = "$func_to_host_path_result";
+EOF
+	    else
+	      cat <<"EOF"
+const char * LIB_PATH_VALUE   = "";
+EOF
+	    fi
+
+	    if test -n "$dllsearchpath"; then
+              func_to_host_path "$dllsearchpath:"
+	      cat <<EOF
+const char * EXE_PATH_VARNAME = "PATH";
+const char * EXE_PATH_VALUE   = "$func_to_host_path_result";
+EOF
+	    else
+	      cat <<"EOF"
+const char * EXE_PATH_VARNAME = "";
+const char * EXE_PATH_VALUE   = "";
+EOF
+	    fi
+
+	    if test yes = "$fast_install"; then
+	      cat <<EOF
+const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
+EOF
+	    else
+	      cat <<EOF
+const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */
+EOF
+	    fi
+
+
+	    cat <<"EOF"
+
+#define LTWRAPPER_OPTION_PREFIX         "--lt-"
+
+static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX;
+static const char *dumpscript_opt       = LTWRAPPER_OPTION_PREFIX "dump-script";
+static const char *debug_opt            = LTWRAPPER_OPTION_PREFIX "debug";
+
+int
+main (int argc, char *argv[])
+{
+  char **newargz;
+  int  newargc;
+  char *tmp_pathspec;
+  char *actual_cwrapper_path;
+  char *actual_cwrapper_name;
+  char *target_name;
+  char *lt_argv_zero;
+  int rval = 127;
+
+  int i;
+
+  program_name = (char *) xstrdup (base_name (argv[0]));
+  newargz = XMALLOC (char *, (size_t) argc + 1);
+
+  /* very simple arg parsing; don't want to rely on getopt
+   * also, copy all non cwrapper options to newargz, except
+   * argz[0], which is handled differently
+   */
+  newargc=0;
+  for (i = 1; i < argc; i++)
+    {
+      if (STREQ (argv[i], dumpscript_opt))
+	{
+EOF
+	    case $host in
+	      *mingw* | *cygwin* )
+		# make stdout use "unix" line endings
+		echo "          setmode(1,_O_BINARY);"
+		;;
+	      esac
+
+	    cat <<"EOF"
+	  lt_dump_script (stdout);
+	  return 0;
+	}
+      if (STREQ (argv[i], debug_opt))
+	{
+          lt_debug = 1;
+          continue;
+	}
+      if (STREQ (argv[i], ltwrapper_option_prefix))
+        {
+          /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX
+             namespace, but it is not one of the ones we know about and
+             have already dealt with, above (inluding dump-script), then
+             report an error. Otherwise, targets might begin to believe
+             they are allowed to use options in the LTWRAPPER_OPTION_PREFIX
+             namespace. The first time any user complains about this, we'll
+             need to make LTWRAPPER_OPTION_PREFIX a configure-time option
+             or a configure.ac-settable value.
+           */
+          lt_fatal (__FILE__, __LINE__,
+		    "unrecognized %s option: '%s'",
+                    ltwrapper_option_prefix, argv[i]);
+        }
+      /* otherwise ... */
+      newargz[++newargc] = xstrdup (argv[i]);
+    }
+  newargz[++newargc] = NULL;
+
+EOF
+	    cat <<EOF
+  /* The GNU banner must be the first non-error debug message */
+  lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE) $VERSION\n");
+EOF
+	    cat <<"EOF"
+  lt_debugprintf (__FILE__, __LINE__, "(main) argv[0]: %s\n", argv[0]);
+  lt_debugprintf (__FILE__, __LINE__, "(main) program_name: %s\n", program_name);
+
+  tmp_pathspec = find_executable (argv[0]);
+  if (tmp_pathspec == NULL)
+    lt_fatal (__FILE__, __LINE__, "couldn't find %s", argv[0]);
+  lt_debugprintf (__FILE__, __LINE__,
+                  "(main) found exe (before symlink chase) at: %s\n",
+		  tmp_pathspec);
+
+  actual_cwrapper_path = chase_symlinks (tmp_pathspec);
+  lt_debugprintf (__FILE__, __LINE__,
+                  "(main) found exe (after symlink chase) at: %s\n",
+		  actual_cwrapper_path);
+  XFREE (tmp_pathspec);
+
+  actual_cwrapper_name = xstrdup (base_name (actual_cwrapper_path));
+  strendzap (actual_cwrapper_path, actual_cwrapper_name);
+
+  /* wrapper name transforms */
+  strendzap (actual_cwrapper_name, ".exe");
+  tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1);
+  XFREE (actual_cwrapper_name);
+  actual_cwrapper_name = tmp_pathspec;
+  tmp_pathspec = 0;
+
+  /* target_name transforms -- use actual target program name; might have lt- prefix */
+  target_name = xstrdup (base_name (TARGET_PROGRAM_NAME));
+  strendzap (target_name, ".exe");
+  tmp_pathspec = lt_extend_str (target_name, ".exe", 1);
+  XFREE (target_name);
+  target_name = tmp_pathspec;
+  tmp_pathspec = 0;
+
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(main) libtool target name: %s\n",
+		  target_name);
+EOF
+
+	    cat <<EOF
+  newargz[0] =
+    XMALLOC (char, (strlen (actual_cwrapper_path) +
+		    strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1));
+  strcpy (newargz[0], actual_cwrapper_path);
+  strcat (newargz[0], "$objdir");
+  strcat (newargz[0], "/");
+EOF
+
+	    cat <<"EOF"
+  /* stop here, and copy so we don't have to do this twice */
+  tmp_pathspec = xstrdup (newargz[0]);
+
+  /* do NOT want the lt- prefix here, so use actual_cwrapper_name */
+  strcat (newargz[0], actual_cwrapper_name);
+
+  /* DO want the lt- prefix here if it exists, so use target_name */
+  lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1);
+  XFREE (tmp_pathspec);
+  tmp_pathspec = NULL;
+EOF
+
+	    case $host_os in
+	      mingw*)
+	    cat <<"EOF"
+  {
+    char* p;
+    while ((p = strchr (newargz[0], '\\')) != NULL)
+      {
+	*p = '/';
+      }
+    while ((p = strchr (lt_argv_zero, '\\')) != NULL)
+      {
+	*p = '/';
+      }
+  }
+EOF
+	    ;;
+	    esac
+
+	    cat <<"EOF"
+  XFREE (target_name);
+  XFREE (actual_cwrapper_path);
+  XFREE (actual_cwrapper_name);
+
+  lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */
+  lt_setenv ("DUALCASE", "1");  /* for MSK sh */
+  /* Update the DLL searchpath.  EXE_PATH_VALUE ($dllsearchpath) must
+     be prepended before (that is, appear after) LIB_PATH_VALUE ($temp_rpath)
+     because on Windows, both *_VARNAMEs are PATH but uninstalled
+     libraries must come first. */
+  lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE);
+  lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE);
+
+  lt_debugprintf (__FILE__, __LINE__, "(main) lt_argv_zero: %s\n",
+		  nonnull (lt_argv_zero));
+  for (i = 0; i < newargc; i++)
+    {
+      lt_debugprintf (__FILE__, __LINE__, "(main) newargz[%d]: %s\n",
+		      i, nonnull (newargz[i]));
+    }
+
+EOF
+
+	    case $host_os in
+	      mingw*)
+		cat <<"EOF"
+  /* execv doesn't actually work on mingw as expected on unix */
+  newargz = prepare_spawn (newargz);
+  rval = (int) _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
+  if (rval == -1)
+    {
+      /* failed to start process */
+      lt_debugprintf (__FILE__, __LINE__,
+		      "(main) failed to launch target \"%s\": %s\n",
+		      lt_argv_zero, nonnull (strerror (errno)));
+      return 127;
+    }
+  return rval;
+EOF
+		;;
+	      *)
+		cat <<"EOF"
+  execv (lt_argv_zero, newargz);
+  return rval; /* =127, but avoids unused variable warning */
+EOF
+		;;
+	    esac
+
+	    cat <<"EOF"
+}
+
+void *
+xmalloc (size_t num)
+{
+  void *p = (void *) malloc (num);
+  if (!p)
+    lt_fatal (__FILE__, __LINE__, "memory exhausted");
+
+  return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+  return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
+			  string) : NULL;
+}
+
+const char *
+base_name (const char *name)
+{
+  const char *base;
+
+#if defined HAVE_DOS_BASED_FILE_SYSTEM
+  /* Skip over the disk name in MSDOS pathnames. */
+  if (isalpha ((unsigned char) name[0]) && name[1] == ':')
+    name += 2;
+#endif
+
+  for (base = name; *name; name++)
+    if (IS_DIR_SEPARATOR (*name))
+      base = name + 1;
+  return base;
+}
+
+int
+check_executable (const char *path)
+{
+  struct stat st;
+
+  lt_debugprintf (__FILE__, __LINE__, "(check_executable): %s\n",
+                  nonempty (path));
+  if ((!path) || (!*path))
+    return 0;
+
+  if ((stat (path, &st) >= 0)
+      && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
+    return 1;
+  else
+    return 0;
+}
+
+int
+make_executable (const char *path)
+{
+  int rval = 0;
+  struct stat st;
+
+  lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n",
+                  nonempty (path));
+  if ((!path) || (!*path))
+    return 0;
+
+  if (stat (path, &st) >= 0)
+    {
+      rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
+    }
+  return rval;
+}
+
+/* Searches for the full path of the wrapper.  Returns
+   newly allocated full path name if found, NULL otherwise
+   Does not chase symlinks, even on platforms that support them.
+*/
+char *
+find_executable (const char *wrapper)
+{
+  int has_slash = 0;
+  const char *p;
+  const char *p_next;
+  /* static buffer for getcwd */
+  char tmp[LT_PATHMAX + 1];
+  size_t tmp_len;
+  char *concat_name;
+
+  lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n",
+                  nonempty (wrapper));
+
+  if ((wrapper == NULL) || (*wrapper == '\0'))
+    return NULL;
+
+  /* Absolute path? */
+#if defined HAVE_DOS_BASED_FILE_SYSTEM
+  if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
+    {
+      concat_name = xstrdup (wrapper);
+      if (check_executable (concat_name))
+	return concat_name;
+      XFREE (concat_name);
+    }
+  else
+    {
+#endif
+      if (IS_DIR_SEPARATOR (wrapper[0]))
+	{
+	  concat_name = xstrdup (wrapper);
+	  if (check_executable (concat_name))
+	    return concat_name;
+	  XFREE (concat_name);
+	}
+#if defined HAVE_DOS_BASED_FILE_SYSTEM
+    }
+#endif
+
+  for (p = wrapper; *p; p++)
+    if (*p == '/')
+      {
+	has_slash = 1;
+	break;
+      }
+  if (!has_slash)
+    {
+      /* no slashes; search PATH */
+      const char *path = getenv ("PATH");
+      if (path != NULL)
+	{
+	  for (p = path; *p; p = p_next)
+	    {
+	      const char *q;
+	      size_t p_len;
+	      for (q = p; *q; q++)
+		if (IS_PATH_SEPARATOR (*q))
+		  break;
+	      p_len = (size_t) (q - p);
+	      p_next = (*q == '\0' ? q : q + 1);
+	      if (p_len == 0)
+		{
+		  /* empty path: current directory */
+		  if (getcwd (tmp, LT_PATHMAX) == NULL)
+		    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+                              nonnull (strerror (errno)));
+		  tmp_len = strlen (tmp);
+		  concat_name =
+		    XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, tmp, tmp_len);
+		  concat_name[tmp_len] = '/';
+		  strcpy (concat_name + tmp_len + 1, wrapper);
+		}
+	      else
+		{
+		  concat_name =
+		    XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, p, p_len);
+		  concat_name[p_len] = '/';
+		  strcpy (concat_name + p_len + 1, wrapper);
+		}
+	      if (check_executable (concat_name))
+		return concat_name;
+	      XFREE (concat_name);
+	    }
+	}
+      /* not found in PATH; assume curdir */
+    }
+  /* Relative path | not found in path: prepend cwd */
+  if (getcwd (tmp, LT_PATHMAX) == NULL)
+    lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+              nonnull (strerror (errno)));
+  tmp_len = strlen (tmp);
+  concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+  memcpy (concat_name, tmp, tmp_len);
+  concat_name[tmp_len] = '/';
+  strcpy (concat_name + tmp_len + 1, wrapper);
+
+  if (check_executable (concat_name))
+    return concat_name;
+  XFREE (concat_name);
+  return NULL;
+}
+
+char *
+chase_symlinks (const char *pathspec)
+{
+#ifndef S_ISLNK
+  return xstrdup (pathspec);
+#else
+  char buf[LT_PATHMAX];
+  struct stat s;
+  char *tmp_pathspec = xstrdup (pathspec);
+  char *p;
+  int has_symlinks = 0;
+  while (strlen (tmp_pathspec) && !has_symlinks)
+    {
+      lt_debugprintf (__FILE__, __LINE__,
+		      "checking path component for symlinks: %s\n",
+		      tmp_pathspec);
+      if (lstat (tmp_pathspec, &s) == 0)
+	{
+	  if (S_ISLNK (s.st_mode) != 0)
+	    {
+	      has_symlinks = 1;
+	      break;
+	    }
+
+	  /* search backwards for last DIR_SEPARATOR */
+	  p = tmp_pathspec + strlen (tmp_pathspec) - 1;
+	  while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    p--;
+	  if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    {
+	      /* no more DIR_SEPARATORS left */
+	      break;
+	    }
+	  *p = '\0';
+	}
+      else
+	{
+	  lt_fatal (__FILE__, __LINE__,
+		    "error accessing file \"%s\": %s",
+		    tmp_pathspec, nonnull (strerror (errno)));
+	}
+    }
+  XFREE (tmp_pathspec);
+
+  if (!has_symlinks)
+    {
+      return xstrdup (pathspec);
+    }
+
+  tmp_pathspec = realpath (pathspec, buf);
+  if (tmp_pathspec == 0)
+    {
+      lt_fatal (__FILE__, __LINE__,
+		"could not follow symlinks for %s", pathspec);
+    }
+  return xstrdup (tmp_pathspec);
+#endif
+}
+
+char *
+strendzap (char *str, const char *pat)
+{
+  size_t len, patlen;
+
+  assert (str != NULL);
+  assert (pat != NULL);
+
+  len = strlen (str);
+  patlen = strlen (pat);
+
+  if (patlen <= len)
+    {
+      str += len - patlen;
+      if (STREQ (str, pat))
+	*str = '\0';
+    }
+  return str;
+}
+
+void
+lt_debugprintf (const char *file, int line, const char *fmt, ...)
+{
+  va_list args;
+  if (lt_debug)
+    {
+      (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line);
+      va_start (args, fmt);
+      (void) vfprintf (stderr, fmt, args);
+      va_end (args);
+    }
+}
+
+static void
+lt_error_core (int exit_status, const char *file,
+	       int line, const char *mode,
+	       const char *message, va_list ap)
+{
+  fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode);
+  vfprintf (stderr, message, ap);
+  fprintf (stderr, ".\n");
+
+  if (exit_status >= 0)
+    exit (exit_status);
+}
+
+void
+lt_fatal (const char *file, int line, const char *message, ...)
+{
+  va_list ap;
+  va_start (ap, message);
+  lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap);
+  va_end (ap);
+}
+
+static const char *
+nonnull (const char *s)
+{
+  return s ? s : "(null)";
+}
+
+static const char *
+nonempty (const char *s)
+{
+  return (s && !*s) ? "(empty)" : nonnull (s);
+}
+
+void
+lt_setenv (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_setenv) setting '%s' to '%s'\n",
+                  nonnull (name), nonnull (value));
+  {
+#ifdef HAVE_SETENV
+    /* always make a copy, for consistency with !HAVE_SETENV */
+    char *str = xstrdup (value);
+    setenv (name, str, 1);
+#else
+    size_t len = strlen (name) + 1 + strlen (value) + 1;
+    char *str = XMALLOC (char, len);
+    sprintf (str, "%s=%s", name, value);
+    if (putenv (str) != EXIT_SUCCESS)
+      {
+        XFREE (str);
+      }
+#endif
+  }
+}
+
+char *
+lt_extend_str (const char *orig_value, const char *add, int to_end)
+{
+  char *new_value;
+  if (orig_value && *orig_value)
+    {
+      size_t orig_value_len = strlen (orig_value);
+      size_t add_len = strlen (add);
+      new_value = XMALLOC (char, add_len + orig_value_len + 1);
+      if (to_end)
+        {
+          strcpy (new_value, orig_value);
+          strcpy (new_value + orig_value_len, add);
+        }
+      else
+        {
+          strcpy (new_value, add);
+          strcpy (new_value + add_len, orig_value);
+        }
+    }
+  else
+    {
+      new_value = xstrdup (add);
+    }
+  return new_value;
+}
+
+void
+lt_update_exe_path (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_update_exe_path) modifying '%s' by prepending '%s'\n",
+                  nonnull (name), nonnull (value));
+
+  if (name && *name && value && *value)
+    {
+      char *new_value = lt_extend_str (getenv (name), value, 0);
+      /* some systems can't cope with a ':'-terminated path #' */
+      size_t len = strlen (new_value);
+      while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
+        {
+          new_value[--len] = '\0';
+        }
+      lt_setenv (name, new_value);
+      XFREE (new_value);
+    }
+}
+
+void
+lt_update_lib_path (const char *name, const char *value)
+{
+  lt_debugprintf (__FILE__, __LINE__,
+		  "(lt_update_lib_path) modifying '%s' by prepending '%s'\n",
+                  nonnull (name), nonnull (value));
+
+  if (name && *name && value && *value)
+    {
+      char *new_value = lt_extend_str (getenv (name), value, 0);
+      lt_setenv (name, new_value);
+      XFREE (new_value);
+    }
+}
+
+EOF
+	    case $host_os in
+	      mingw*)
+		cat <<"EOF"
+
+/* Prepares an argument vector before calling spawn().
+   Note that spawn() does not by itself call the command interpreter
+     (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") :
+      ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+         GetVersionEx(&v);
+         v.dwPlatformId == VER_PLATFORM_WIN32_NT;
+      }) ? "cmd.exe" : "command.com").
+   Instead it simply concatenates the arguments, separated by ' ', and calls
+   CreateProcess().  We must quote the arguments since Win32 CreateProcess()
+   interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a
+   special way:
+   - Space and tab are interpreted as delimiters. They are not treated as
+     delimiters if they are surrounded by double quotes: "...".
+   - Unescaped double quotes are removed from the input. Their only effect is
+     that within double quotes, space and tab are treated like normal
+     characters.
+   - Backslashes not followed by double quotes are not special.
+   - But 2*n+1 backslashes followed by a double quote become
+     n backslashes followed by a double quote (n >= 0):
+       \" -> "
+       \\\" -> \"
+       \\\\\" -> \\"
+ */
+#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+char **
+prepare_spawn (char **argv)
+{
+  size_t argc;
+  char **new_argv;
+  size_t i;
+
+  /* Count number of arguments.  */
+  for (argc = 0; argv[argc] != NULL; argc++)
+    ;
+
+  /* Allocate new argument vector.  */
+  new_argv = XMALLOC (char *, argc + 1);
+
+  /* Put quoted arguments into the new argument vector.  */
+  for (i = 0; i < argc; i++)
+    {
+      const char *string = argv[i];
+
+      if (string[0] == '\0')
+	new_argv[i] = xstrdup ("\"\"");
+      else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL)
+	{
+	  int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL);
+	  size_t length;
+	  unsigned int backslashes;
+	  const char *s;
+	  char *quoted_string;
+	  char *p;
+
+	  length = 0;
+	  backslashes = 0;
+	  if (quote_around)
+	    length++;
+	  for (s = string; *s != '\0'; s++)
+	    {
+	      char c = *s;
+	      if (c == '"')
+		length += backslashes + 1;
+	      length++;
+	      if (c == '\\')
+		backslashes++;
+	      else
+		backslashes = 0;
+	    }
+	  if (quote_around)
+	    length += backslashes + 1;
+
+	  quoted_string = XMALLOC (char, length + 1);
+
+	  p = quoted_string;
+	  backslashes = 0;
+	  if (quote_around)
+	    *p++ = '"';
+	  for (s = string; *s != '\0'; s++)
+	    {
+	      char c = *s;
+	      if (c == '"')
+		{
+		  unsigned int j;
+		  for (j = backslashes + 1; j > 0; j--)
+		    *p++ = '\\';
+		}
+	      *p++ = c;
+	      if (c == '\\')
+		backslashes++;
+	      else
+		backslashes = 0;
+	    }
+	  if (quote_around)
+	    {
+	      unsigned int j;
+	      for (j = backslashes; j > 0; j--)
+		*p++ = '\\';
+	      *p++ = '"';
+	    }
+	  *p = '\0';
+
+	  new_argv[i] = quoted_string;
+	}
+      else
+	new_argv[i] = (char *) string;
+    }
+  new_argv[argc] = NULL;
+
+  return new_argv;
+}
+EOF
+		;;
+	    esac
+
+            cat <<"EOF"
+void lt_dump_script (FILE* f)
+{
+EOF
+	    func_emit_wrapper yes |
+	      $SED -n -e '
+s/^\(.\{79\}\)\(..*\)/\1\
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/  fputs ("\1", f);/p
+g
+D'
+            cat <<"EOF"
+}
+EOF
+}
+# end: func_emit_cwrapperexe_src
+
+# func_win32_import_lib_p ARG
+# True if ARG is an import lib, as indicated by $file_magic_cmd
+func_win32_import_lib_p ()
+{
+    $debug_cmd
+
+    case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in
+    *import*) : ;;
+    *) false ;;
+    esac
+}
+
+# func_suncc_cstd_abi
+# !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!!
+# Several compiler flags select an ABI that is incompatible with the
+# Cstd library. Avoid specifying it if any are in CXXFLAGS.
+func_suncc_cstd_abi ()
+{
+    $debug_cmd
+
+    case " $compile_command " in
+    *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*)
+      suncc_use_cstd_abi=no
+      ;;
+    *)
+      suncc_use_cstd_abi=yes
+      ;;
+    esac
+}
+
+# func_mode_link arg...
+func_mode_link ()
+{
+    $debug_cmd
+
+    case $host in
+    *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+      # It is impossible to link a dll without this setting, and
+      # we shouldn't force the makefile maintainer to figure out
+      # what system we are compiling for in order to pass an extra
+      # flag for every libtool invocation.
+      # allow_undefined=no
+
+      # FIXME: Unfortunately, there are problems with the above when trying
+      # to make a dll that has undefined symbols, in which case not
+      # even a static library is built.  For now, we need to specify
+      # -no-undefined on the libtool link line when we can be certain
+      # that all symbols are satisfied, otherwise we get a static library.
+      allow_undefined=yes
+      ;;
+    *)
+      allow_undefined=yes
+      ;;
+    esac
+    libtool_args=$nonopt
+    base_compile="$nonopt $@"
+    compile_command=$nonopt
+    finalize_command=$nonopt
+
+    compile_rpath=
+    finalize_rpath=
+    compile_shlibpath=
+    finalize_shlibpath=
+    convenience=
+    old_convenience=
+    deplibs=
+    old_deplibs=
+    compiler_flags=
+    linker_flags=
+    dllsearchpath=
+    lib_search_path=`pwd`
+    inst_prefix_dir=
+    new_inherited_linker_flags=
+
+    avoid_version=no
+    bindir=
+    dlfiles=
+    dlprefiles=
+    dlself=no
+    export_dynamic=no
+    export_symbols=
+    export_symbols_regex=
+    generated=
+    libobjs=
+    ltlibs=
+    module=no
+    no_install=no
+    objs=
+    os2dllname=
+    non_pic_objects=
+    precious_files_regex=
+    prefer_static_libs=no
+    preload=false
+    prev=
+    prevarg=
+    release=
+    rpath=
+    xrpath=
+    perm_rpath=
+    temp_rpath=
+    thread_safe=no
+    vinfo=
+    vinfo_number=no
+    weak_libs=
+    single_module=$wl-single_module
+    func_infer_tag $base_compile
+
+    # We need to know -static, to get the right output filenames.
+    for arg
+    do
+      case $arg in
+      -shared)
+	test yes != "$build_libtool_libs" \
+	  && func_fatal_configuration "cannot build a shared library"
+	build_old_libs=no
+	break
+	;;
+      -all-static | -static | -static-libtool-libs)
+	case $arg in
+	-all-static)
+	  if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then
+	    func_warning "complete static linking is impossible in this configuration"
+	  fi
+	  if test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	-static)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=built
+	  ;;
+	-static-libtool-libs)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	esac
+	build_libtool_libs=no
+	build_old_libs=yes
+	break
+	;;
+      esac
+    done
+
+    # See if our shared archives depend on static archives.
+    test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+    # Go through the arguments, transforming them on the way.
+    while test "$#" -gt 0; do
+      arg=$1
+      shift
+      func_quote_arg pretty,unquoted "$arg"
+      qarg=$func_quote_arg_unquoted_result
+      func_append libtool_args " $func_quote_arg_result"
+
+      # If the previous option needs an argument, assign it.
+      if test -n "$prev"; then
+	case $prev in
+	output)
+	  func_append compile_command " @OUTPUT@"
+	  func_append finalize_command " @OUTPUT@"
+	  ;;
+	esac
+
+	case $prev in
+	bindir)
+	  bindir=$arg
+	  prev=
+	  continue
+	  ;;
+	dlfiles|dlprefiles)
+	  $preload || {
+	    # Add the symbol object into the linking commands.
+	    func_append compile_command " @SYMFILE@"
+	    func_append finalize_command " @SYMFILE@"
+	    preload=:
+	  }
+	  case $arg in
+	  *.la | *.lo) ;;  # We handle these cases below.
+	  force)
+	    if test no = "$dlself"; then
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  self)
+	    if test dlprefiles = "$prev"; then
+	      dlself=yes
+	    elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then
+	      dlself=yes
+	    else
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  *)
+	    if test dlfiles = "$prev"; then
+	      func_append dlfiles " $arg"
+	    else
+	      func_append dlprefiles " $arg"
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  esac
+	  ;;
+	expsyms)
+	  export_symbols=$arg
+	  test -f "$arg" \
+	    || func_fatal_error "symbol file '$arg' does not exist"
+	  prev=
+	  continue
+	  ;;
+	expsyms_regex)
+	  export_symbols_regex=$arg
+	  prev=
+	  continue
+	  ;;
+	framework)
+	  case $host in
+	    *-*-darwin*)
+	      case "$deplibs " in
+		*" $qarg.ltframework "*) ;;
+		*) func_append deplibs " $qarg.ltframework" # this is fixed later
+		   ;;
+	      esac
+	      ;;
+	  esac
+	  prev=
+	  continue
+	  ;;
+	inst_prefix)
+	  inst_prefix_dir=$arg
+	  prev=
+	  continue
+	  ;;
+	mllvm)
+	  # Clang does not use LLVM to link, so we can simply discard any
+	  # '-mllvm $arg' options when doing the link step.
+	  prev=
+	  continue
+	  ;;
+	objectlist)
+	  if test -f "$arg"; then
+	    save_arg=$arg
+	    moreargs=
+	    for fil in `cat "$save_arg"`
+	    do
+#	      func_append moreargs " $fil"
+	      arg=$fil
+	      # A libtool-controlled object.
+
+	      # Check to see that this really is a libtool object.
+	      if func_lalib_unsafe_p "$arg"; then
+		pic_object=
+		non_pic_object=
+
+		# Read the .lo file
+		func_source "$arg"
+
+		if test -z "$pic_object" ||
+		   test -z "$non_pic_object" ||
+		   test none = "$pic_object" &&
+		   test none = "$non_pic_object"; then
+		  func_fatal_error "cannot find name of object for '$arg'"
+		fi
+
+		# Extract subdirectory from the argument.
+		func_dirname "$arg" "/" ""
+		xdir=$func_dirname_result
+
+		if test none != "$pic_object"; then
+		  # Prepend the subdirectory the object is found in.
+		  pic_object=$xdir$pic_object
+
+		  if test dlfiles = "$prev"; then
+		    if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then
+		      func_append dlfiles " $pic_object"
+		      prev=
+		      continue
+		    else
+		      # If libtool objects are unsupported, then we need to preload.
+		      prev=dlprefiles
+		    fi
+		  fi
+
+		  # CHECK ME:  I think I busted this.  -Ossama
+		  if test dlprefiles = "$prev"; then
+		    # Preload the old-style object.
+		    func_append dlprefiles " $pic_object"
+		    prev=
+		  fi
+
+		  # A PIC object.
+		  func_append libobjs " $pic_object"
+		  arg=$pic_object
+		fi
+
+		# Non-PIC object.
+		if test none != "$non_pic_object"; then
+		  # Prepend the subdirectory the object is found in.
+		  non_pic_object=$xdir$non_pic_object
+
+		  # A standard non-PIC object
+		  func_append non_pic_objects " $non_pic_object"
+		  if test -z "$pic_object" || test none = "$pic_object"; then
+		    arg=$non_pic_object
+		  fi
+		else
+		  # If the PIC object exists, use it instead.
+		  # $xdir was prepended to $pic_object above.
+		  non_pic_object=$pic_object
+		  func_append non_pic_objects " $non_pic_object"
+		fi
+	      else
+		# Only an error if not doing a dry-run.
+		if $opt_dry_run; then
+		  # Extract subdirectory from the argument.
+		  func_dirname "$arg" "/" ""
+		  xdir=$func_dirname_result
+
+		  func_lo2o "$arg"
+		  pic_object=$xdir$objdir/$func_lo2o_result
+		  non_pic_object=$xdir$func_lo2o_result
+		  func_append libobjs " $pic_object"
+		  func_append non_pic_objects " $non_pic_object"
+	        else
+		  func_fatal_error "'$arg' is not a valid libtool object"
+		fi
+	      fi
+	    done
+	  else
+	    func_fatal_error "link input file '$arg' does not exist"
+	  fi
+	  arg=$save_arg
+	  prev=
+	  continue
+	  ;;
+	os2dllname)
+	  os2dllname=$arg
+	  prev=
+	  continue
+	  ;;
+	precious_regex)
+	  precious_files_regex=$arg
+	  prev=
+	  continue
+	  ;;
+	release)
+	  release=-$arg
+	  prev=
+	  continue
+	  ;;
+	rpath | xrpath)
+	  # We need an absolute path.
+	  case $arg in
+	  [\\/]* | [A-Za-z]:[\\/]*) ;;
+	  *)
+	    func_fatal_error "only absolute run-paths are allowed"
+	    ;;
+	  esac
+	  if test rpath = "$prev"; then
+	    case "$rpath " in
+	    *" $arg "*) ;;
+	    *) func_append rpath " $arg" ;;
+	    esac
+	  else
+	    case "$xrpath " in
+	    *" $arg "*) ;;
+	    *) func_append xrpath " $arg" ;;
+	    esac
+	  fi
+	  prev=
+	  continue
+	  ;;
+	shrext)
+	  shrext_cmds=$arg
+	  prev=
+	  continue
+	  ;;
+	weak)
+	  func_append weak_libs " $arg"
+	  prev=
+	  continue
+	  ;;
+	xassembler)
+	  func_append compiler_flags " -Xassembler $qarg"
+	  prev=
+	  func_append compile_command " -Xassembler $qarg"
+	  func_append finalize_command " -Xassembler $qarg"
+	  continue
+	  ;;
+	xcclinker)
+	  func_append linker_flags " $qarg"
+	  func_append compiler_flags " $qarg"
+	  prev=
+	  func_append compile_command " $qarg"
+	  func_append finalize_command " $qarg"
+	  continue
+	  ;;
+	xcompiler)
+	  func_append compiler_flags " $qarg"
+	  prev=
+	  func_append compile_command " $qarg"
+	  func_append finalize_command " $qarg"
+	  continue
+	  ;;
+	xlinker)
+	  func_append linker_flags " $qarg"
+	  func_append compiler_flags " $wl$qarg"
+	  prev=
+	  func_append compile_command " $wl$qarg"
+	  func_append finalize_command " $wl$qarg"
+	  continue
+	  ;;
+	*)
+	  eval "$prev=\"\$arg\""
+	  prev=
+	  continue
+	  ;;
+	esac
+      fi # test -n "$prev"
+
+      prevarg=$arg
+
+      case $arg in
+      -all-static)
+	if test -n "$link_static_flag"; then
+	  # See comment for -static flag below, for more details.
+	  func_append compile_command " $link_static_flag"
+	  func_append finalize_command " $link_static_flag"
+	fi
+	continue
+	;;
+
+      -allow-undefined)
+	# FIXME: remove this flag sometime in the future.
+	func_fatal_error "'-allow-undefined' must not be used because it is the default"
+	;;
+
+      -avoid-version)
+	avoid_version=yes
+	continue
+	;;
+
+      -bindir)
+	prev=bindir
+	continue
+	;;
+
+      -dlopen)
+	prev=dlfiles
+	continue
+	;;
+
+      -dlpreopen)
+	prev=dlprefiles
+	continue
+	;;
+
+      -export-dynamic)
+	export_dynamic=yes
+	continue
+	;;
+
+      -export-symbols | -export-symbols-regex)
+	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+	  func_fatal_error "more than one -exported-symbols argument is not allowed"
+	fi
+	if test X-export-symbols = "X$arg"; then
+	  prev=expsyms
+	else
+	  prev=expsyms_regex
+	fi
+	continue
+	;;
+
+      -framework)
+	prev=framework
+	continue
+	;;
+
+      -inst-prefix-dir)
+	prev=inst_prefix
+	continue
+	;;
+
+      # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+      # so, if we see these flags be careful not to treat them like -L
+      -L[A-Z][A-Z]*:*)
+	case $with_gcc/$host in
+	no/*-*-irix* | /*-*-irix*)
+	  func_append compile_command " $arg"
+	  func_append finalize_command " $arg"
+	  ;;
+	esac
+	continue
+	;;
+
+      -L*)
+	func_stripname "-L" '' "$arg"
+	if test -z "$func_stripname_result"; then
+	  if test "$#" -gt 0; then
+	    func_fatal_error "require no space between '-L' and '$1'"
+	  else
+	    func_fatal_error "need path for '-L' option"
+	  fi
+	fi
+	func_resolve_sysroot "$func_stripname_result"
+	dir=$func_resolve_sysroot_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	*)
+	  absdir=`cd "$dir" && pwd`
+	  test -z "$absdir" && \
+	    func_fatal_error "cannot determine absolute directory name of '$dir'"
+	  dir=$absdir
+	  ;;
+	esac
+	case "$deplibs " in
+	*" -L$dir "* | *" $arg "*)
+	  # Will only happen for absolute or sysroot arguments
+	  ;;
+	*)
+	  # Preserve sysroot, but never include relative directories
+	  case $dir in
+	    [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;;
+	    *) func_append deplibs " -L$dir" ;;
+	  esac
+	  func_append lib_search_path " $dir"
+	  ;;
+	esac
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+	  testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$dir:"*) ;;
+	  ::) dllsearchpath=$dir;;
+	  *) func_append dllsearchpath ":$dir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  ::) dllsearchpath=$testbindir;;
+	  *) func_append dllsearchpath ":$testbindir";;
+	  esac
+	  ;;
+	esac
+	continue
+	;;
+
+      -l*)
+	if test X-lc = "X$arg" || test X-lm = "X$arg"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*)
+	    # These systems don't actually have a C or math library (as such)
+	    continue
+	    ;;
+	  *-*-os2*)
+	    # These systems don't actually have a C library (as such)
+	    test X-lc = "X$arg" && continue
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig* | *-*-midnightbsd*)
+	    # Do not include libc due to us having libc/libc_r.
+	    test X-lc = "X$arg" && continue
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C and math libraries are in the System framework
+	    func_append deplibs " System.ltframework"
+	    continue
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    test X-lc = "X$arg" && continue
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    test X-lc = "X$arg" && continue
+	    ;;
+	  esac
+	elif test X-lc_r = "X$arg"; then
+	 case $host in
+	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig* | *-*-midnightbsd*)
+	   # Do not include libc_r directly, use -pthread flag.
+	   continue
+	   ;;
+	 esac
+	fi
+	func_append deplibs " $arg"
+	continue
+	;;
+
+      -mllvm)
+	prev=mllvm
+	continue
+	;;
+
+      -module)
+	module=yes
+	continue
+	;;
+
+      # Tru64 UNIX uses -model [arg] to determine the layout of C++
+      # classes, name mangling, and exception handling.
+      # Darwin uses the -arch flag to determine output architecture.
+      -model|-arch|-isysroot|--sysroot)
+	func_append compiler_flags " $arg"
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+	prev=xcompiler
+	continue
+	;;
+     # Solaris ld rejects as of 11.4. Refer to Oracle bug 22985199.
+     -pthread)
+	case $host in
+	  *solaris2*) ;;
+	  *)
+	    case "$new_inherited_linker_flags " in
+	        *" $arg "*) ;;
+	        * ) func_append new_inherited_linker_flags " $arg" ;;
+	    esac
+	  ;;
+	esac
+	continue
+	;;
+      -mt|-mthreads|-kthread|-Kthread|-pthreads|--thread-safe \
+      |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+	func_append compiler_flags " $arg"
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+	case "$new_inherited_linker_flags " in
+	    *" $arg "*) ;;
+	    * ) func_append new_inherited_linker_flags " $arg" ;;
+	esac
+	continue
+	;;
+
+      -multi_module)
+	single_module=$wl-multi_module
+	continue
+	;;
+
+      -no-fast-install)
+	fast_install=no
+	continue
+	;;
+
+      -no-install)
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*)
+	  # The PATH hackery in wrapper scripts is required on Windows
+	  # and Darwin in order for the loader to find any dlls it needs.
+	  func_warning "'-no-install' is ignored for $host"
+	  func_warning "assuming '-no-fast-install' instead"
+	  fast_install=no
+	  ;;
+	*) no_install=yes ;;
+	esac
+	continue
+	;;
+
+      -no-undefined)
+	allow_undefined=no
+	continue
+	;;
+
+      -objectlist)
+	prev=objectlist
+	continue
+	;;
+
+      -os2dllname)
+	prev=os2dllname
+	continue
+	;;
+
+      -o) prev=output ;;
+
+      -precious-files-regex)
+	prev=precious_regex
+	continue
+	;;
+
+      -release)
+	prev=release
+	continue
+	;;
+
+      -rpath)
+	prev=rpath
+	continue
+	;;
+
+      -R)
+	prev=xrpath
+	continue
+	;;
+
+      -R*)
+	func_stripname '-R' '' "$arg"
+	dir=$func_stripname_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	=*)
+	  func_stripname '=' '' "$dir"
+	  dir=$lt_sysroot$func_stripname_result
+	  ;;
+	*)
+	  func_fatal_error "only absolute run-paths are allowed"
+	  ;;
+	esac
+	case "$xrpath " in
+	*" $dir "*) ;;
+	*) func_append xrpath " $dir" ;;
+	esac
+	continue
+	;;
+
+      -shared)
+	# The effects of -shared are defined in a previous loop.
+	continue
+	;;
+
+      -shrext)
+	prev=shrext
+	continue
+	;;
+
+      -static | -static-libtool-libs)
+	# The effects of -static are defined in a previous loop.
+	# We used to do the same as -all-static on platforms that
+	# didn't have a PIC flag, but the assumption that the effects
+	# would be equivalent was wrong.  It would break on at least
+	# Digital Unix and AIX.
+	continue
+	;;
+
+      -thread-safe)
+	thread_safe=yes
+	continue
+	;;
+
+      -version-info)
+	prev=vinfo
+	continue
+	;;
+
+      -version-number)
+	prev=vinfo
+	vinfo_number=yes
+	continue
+	;;
+
+      -weak)
+        prev=weak
+	continue
+	;;
+
+      -Wc,*)
+	func_stripname '-Wc,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs=$IFS; IFS=,
+	for flag in $args; do
+	  IFS=$save_ifs
+          func_quote_arg pretty "$flag"
+	  func_append arg " $func_quote_arg_result"
+	  func_append compiler_flags " $func_quote_arg_result"
+	done
+	IFS=$save_ifs
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Wl,*)
+	func_stripname '-Wl,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs=$IFS; IFS=,
+	for flag in $args; do
+	  IFS=$save_ifs
+          func_quote_arg pretty "$flag"
+	  func_append arg " $wl$func_quote_arg_result"
+	  func_append compiler_flags " $wl$func_quote_arg_result"
+	  func_append linker_flags " $func_quote_arg_result"
+	done
+	IFS=$save_ifs
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Xassembler)
+        prev=xassembler
+        continue
+        ;;
+
+      -Xcompiler)
+	prev=xcompiler
+	continue
+	;;
+
+      -Xlinker)
+	prev=xlinker
+	continue
+	;;
+
+      -XCClinker)
+	prev=xcclinker
+	continue
+	;;
+
+      # -msg_* for osf cc
+      -msg_*)
+	func_quote_arg pretty "$arg"
+	arg=$func_quote_arg_result
+	;;
+
+      # Flags to be passed through unchanged, with rationale:
+      # -64, -mips[0-9]      enable 64-bit mode for the SGI compiler
+      # -r[0-9][0-9]*        specify processor for the SGI compiler
+      # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler
+      # +DA*, +DD*           enable 64-bit mode for the HP compiler
+      # -q*                  compiler args for the IBM compiler
+      # -m*, -t[45]*, -txscale* architecture-specific flags for GCC
+      # -F/path              path to uninstalled frameworks, gcc on darwin
+      # -p, -pg, --coverage, -fprofile-*  profiling flags for GCC
+      # -fstack-protector*   stack protector flags for GCC
+      # @file                GCC response files
+      # -tp=*                Portland pgcc target processor selection
+      # --sysroot=*          for sysroot support
+      # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+      # -specs=*             GCC specs files
+      # -stdlib=*            select c++ std lib with clang
+      # -fsanitize=*         Clang/GCC memory and address sanitizer
+      # -fuse-ld=*           Linker select flags for GCC
+      # -Wa,*                Pass flags directly to the assembler
+      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
+      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
+      -specs=*|-fsanitize=*|-fuse-ld=*|-Wa,*)
+        func_quote_arg pretty "$arg"
+	arg=$func_quote_arg_result
+        func_append compile_command " $arg"
+        func_append finalize_command " $arg"
+        func_append compiler_flags " $arg"
+        continue
+        ;;
+
+      -Z*)
+        if test os2 = "`expr $host : '.*\(os2\)'`"; then
+          # OS/2 uses -Zxxx to specify OS/2-specific options
+	  compiler_flags="$compiler_flags $arg"
+	  func_append compile_command " $arg"
+	  func_append finalize_command " $arg"
+	  case $arg in
+	  -Zlinker | -Zstack)
+	    prev=xcompiler
+	    ;;
+	  esac
+	  continue
+        else
+	  # Otherwise treat like 'Some other compiler flag' below
+	  func_quote_arg pretty "$arg"
+	  arg=$func_quote_arg_result
+        fi
+	;;
+
+      # Some other compiler flag.
+      -* | +*)
+        func_quote_arg pretty "$arg"
+	arg=$func_quote_arg_result
+	;;
+
+      *.$objext)
+	# A standard object.
+	func_append objs " $arg"
+	;;
+
+      *.lo)
+	# A libtool-controlled object.
+
+	# Check to see that this really is a libtool object.
+	if func_lalib_unsafe_p "$arg"; then
+	  pic_object=
+	  non_pic_object=
+
+	  # Read the .lo file
+	  func_source "$arg"
+
+	  if test -z "$pic_object" ||
+	     test -z "$non_pic_object" ||
+	     test none = "$pic_object" &&
+	     test none = "$non_pic_object"; then
+	    func_fatal_error "cannot find name of object for '$arg'"
+	  fi
+
+	  # Extract subdirectory from the argument.
+	  func_dirname "$arg" "/" ""
+	  xdir=$func_dirname_result
+
+	  test none = "$pic_object" || {
+	    # Prepend the subdirectory the object is found in.
+	    pic_object=$xdir$pic_object
+
+	    if test dlfiles = "$prev"; then
+	      if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then
+		func_append dlfiles " $pic_object"
+		prev=
+		continue
+	      else
+		# If libtool objects are unsupported, then we need to preload.
+		prev=dlprefiles
+	      fi
+	    fi
+
+	    # CHECK ME:  I think I busted this.  -Ossama
+	    if test dlprefiles = "$prev"; then
+	      # Preload the old-style object.
+	      func_append dlprefiles " $pic_object"
+	      prev=
+	    fi
+
+	    # A PIC object.
+	    func_append libobjs " $pic_object"
+	    arg=$pic_object
+	  }
+
+	  # Non-PIC object.
+	  if test none != "$non_pic_object"; then
+	    # Prepend the subdirectory the object is found in.
+	    non_pic_object=$xdir$non_pic_object
+
+	    # A standard non-PIC object
+	    func_append non_pic_objects " $non_pic_object"
+	    if test -z "$pic_object" || test none = "$pic_object"; then
+	      arg=$non_pic_object
+	    fi
+	  else
+	    # If the PIC object exists, use it instead.
+	    # $xdir was prepended to $pic_object above.
+	    non_pic_object=$pic_object
+	    func_append non_pic_objects " $non_pic_object"
+	  fi
+	else
+	  # Only an error if not doing a dry-run.
+	  if $opt_dry_run; then
+	    # Extract subdirectory from the argument.
+	    func_dirname "$arg" "/" ""
+	    xdir=$func_dirname_result
+
+	    func_lo2o "$arg"
+	    pic_object=$xdir$objdir/$func_lo2o_result
+	    non_pic_object=$xdir$func_lo2o_result
+	    func_append libobjs " $pic_object"
+	    func_append non_pic_objects " $non_pic_object"
+	  else
+	    func_fatal_error "'$arg' is not a valid libtool object"
+	  fi
+	fi
+	;;
+
+      *.$libext)
+	# An archive.
+	func_append deplibs " $arg"
+	func_append old_deplibs " $arg"
+	continue
+	;;
+
+      *.la)
+	# A libtool-controlled library.
+
+	func_resolve_sysroot "$arg"
+	if test dlfiles = "$prev"; then
+	  # This library was specified with -dlopen.
+	  func_append dlfiles " $func_resolve_sysroot_result"
+	  prev=
+	elif test dlprefiles = "$prev"; then
+	  # The library was specified with -dlpreopen.
+	  func_append dlprefiles " $func_resolve_sysroot_result"
+	  prev=
+	else
+	  func_append deplibs " $func_resolve_sysroot_result"
+	fi
+	continue
+	;;
+
+      # Some other compiler argument.
+      *)
+	# Unknown arguments in both finalize_command and compile_command need
+	# to be aesthetically quoted because they are evaled later.
+	func_quote_arg pretty "$arg"
+	arg=$func_quote_arg_result
+	;;
+      esac # arg
+
+      # Now actually substitute the argument into the commands.
+      if test -n "$arg"; then
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+      fi
+    done # argument parsing loop
+
+    test -n "$prev" && \
+      func_fatal_help "the '$prevarg' option requires an argument"
+
+    if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then
+      eval arg=\"$export_dynamic_flag_spec\"
+      func_append compile_command " $arg"
+      func_append finalize_command " $arg"
+    fi
+
+    oldlibs=
+    # calculate the name of the file, without its directory
+    func_basename "$output"
+    outputname=$func_basename_result
+    libobjs_save=$libobjs
+
+    if test -n "$shlibpath_var"; then
+      # get the directories listed in $shlibpath_var
+      eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\`
+    else
+      shlib_search_path=
+    fi
+    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+    # Definition is injected by LT_CONFIG during libtool generation.
+    func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH"
+
+    func_dirname "$output" "/" ""
+    output_objdir=$func_dirname_result$objdir
+    func_to_tool_file "$output_objdir/"
+    tool_output_objdir=$func_to_tool_file_result
+    # Create the object directory.
+    func_mkdir_p "$output_objdir"
+
+    # Determine the type of output
+    case $output in
+    "")
+      func_fatal_help "you must specify an output file"
+      ;;
+    *.$libext) linkmode=oldlib ;;
+    *.lo | *.$objext) linkmode=obj ;;
+    *.la) linkmode=lib ;;
+    *) linkmode=prog ;; # Anything else should be a program.
+    esac
+
+    specialdeplibs=
+
+    libs=
+    # Find all interdependent deplibs by searching for libraries
+    # that are linked more than once (e.g. -la -lb -la)
+    for deplib in $deplibs; do
+      if $opt_preserve_dup_deps; then
+	case "$libs " in
+	*" $deplib "*) func_append specialdeplibs " $deplib" ;;
+	esac
+      fi
+      func_append libs " $deplib"
+    done
+
+    if test lib = "$linkmode"; then
+      libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+      # Compute libraries that are listed more than once in $predeps
+      # $postdeps and mark them as special (i.e., whose duplicates are
+      # not to be eliminated).
+      pre_post_deps=
+      if $opt_duplicate_compiler_generated_deps; then
+	for pre_post_dep in $predeps $postdeps; do
+	  case "$pre_post_deps " in
+	  *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;;
+	  esac
+	  func_append pre_post_deps " $pre_post_dep"
+	done
+      fi
+      pre_post_deps=
+    fi
+
+    deplibs=
+    newdependency_libs=
+    newlib_search_path=
+    need_relink=no # whether we're linking any uninstalled libtool libraries
+    notinst_deplibs= # not-installed libtool libraries
+    notinst_path= # paths that contain not-installed libtool libraries
+
+    case $linkmode in
+    lib)
+	passes="conv dlpreopen link"
+	for file in $dlfiles $dlprefiles; do
+	  case $file in
+	  *.la) ;;
+	  *)
+	    func_fatal_help "libraries can '-dlopen' only libtool libraries: $file"
+	    ;;
+	  esac
+	done
+	;;
+    prog)
+	compile_deplibs=
+	finalize_deplibs=
+	alldeplibs=false
+	newdlfiles=
+	newdlprefiles=
+	passes="conv scan dlopen dlpreopen link"
+	;;
+    *)  passes="conv"
+	;;
+    esac
+
+    for pass in $passes; do
+      # The preopen pass in lib mode reverses $deplibs; put it back here
+      # so that -L comes before libs that need it for instance...
+      if test lib,link = "$linkmode,$pass"; then
+	## FIXME: Find the place where the list is rebuilt in the wrong
+	##        order, and fix it there properly
+        tmp_deplibs=
+	for deplib in $deplibs; do
+	  tmp_deplibs="$deplib $tmp_deplibs"
+	done
+	deplibs=$tmp_deplibs
+      fi
+
+      if test lib,link = "$linkmode,$pass" ||
+	 test prog,scan = "$linkmode,$pass"; then
+	libs=$deplibs
+	deplibs=
+      fi
+      if test prog = "$linkmode"; then
+	case $pass in
+	dlopen) libs=$dlfiles ;;
+	dlpreopen) libs=$dlprefiles ;;
+	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
+	esac
+      fi
+      if test lib,dlpreopen = "$linkmode,$pass"; then
+	# Collect and forward deplibs of preopened libtool libs
+	for lib in $dlprefiles; do
+	  # Ignore non-libtool-libs
+	  dependency_libs=
+	  func_resolve_sysroot "$lib"
+	  case $lib in
+	  *.la)	func_source "$func_resolve_sysroot_result" ;;
+	  esac
+
+	  # Collect preopened libtool deplibs, except any this library
+	  # has declared as weak libs
+	  for deplib in $dependency_libs; do
+	    func_basename "$deplib"
+            deplib_base=$func_basename_result
+	    case " $weak_libs " in
+	    *" $deplib_base "*) ;;
+	    *) func_append deplibs " $deplib" ;;
+	    esac
+	  done
+	done
+	libs=$dlprefiles
+      fi
+      if test dlopen = "$pass"; then
+	# Collect dlpreopened libraries
+	save_deplibs=$deplibs
+	deplibs=
+      fi
+
+      for deplib in $libs; do
+	lib=
+	found=false
+	case $deplib in
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+        |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+	  if test prog,link = "$linkmode,$pass"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    func_append compiler_flags " $deplib"
+	    if test lib = "$linkmode"; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) func_append new_inherited_linker_flags " $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-l*)
+	  if test lib != "$linkmode" && test prog != "$linkmode"; then
+	    func_warning "'-l' is ignored for archives/objects"
+	    continue
+	  fi
+	  func_stripname '-l' '' "$deplib"
+	  name=$func_stripname_result
+	  if test lib = "$linkmode"; then
+	    searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+	  else
+	    searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+	  fi
+	  for searchdir in $searchdirs; do
+	    for search_ext in .la $std_shrext .so .a; do
+	      # Search the libtool library
+	      lib=$searchdir/lib$name$search_ext
+	      if test -f "$lib"; then
+		if test .la = "$search_ext"; then
+		  found=:
+		else
+		  found=false
+		fi
+		break 2
+	      fi
+	    done
+	  done
+	  if $found; then
+	    # deplib is a libtool library
+	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+	    # We need to do some special things here, and not later.
+	    if test yes = "$allow_libtool_libs_with_static_runtimes"; then
+	      case " $predeps $postdeps " in
+	      *" $deplib "*)
+		if func_lalib_p "$lib"; then
+		  library_names=
+		  old_library=
+		  func_source "$lib"
+		  for l in $old_library $library_names; do
+		    ll=$l
+		  done
+		  if test "X$ll" = "X$old_library"; then # only static version available
+		    found=false
+		    func_dirname "$lib" "" "."
+		    ladir=$func_dirname_result
+		    lib=$ladir/$old_library
+		    if test prog,link = "$linkmode,$pass"; then
+		      compile_deplibs="$deplib $compile_deplibs"
+		      finalize_deplibs="$deplib $finalize_deplibs"
+		    else
+		      deplibs="$deplib $deplibs"
+		      test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs"
+		    fi
+		    continue
+		  fi
+		fi
+		;;
+	      *) ;;
+	      esac
+	    fi
+	  else
+	    # deplib doesn't seem to be a libtool library
+	    if test prog,link = "$linkmode,$pass"; then
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      deplibs="$deplib $deplibs"
+	      test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    continue
+	  fi
+	  ;; # -l
+	*.ltframework)
+	  if test prog,link = "$linkmode,$pass"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    deplibs="$deplib $deplibs"
+	    if test lib = "$linkmode"; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) func_append new_inherited_linker_flags " $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-L*)
+	  case $linkmode in
+	  lib)
+	    deplibs="$deplib $deplibs"
+	    test conv = "$pass" && continue
+	    newdependency_libs="$deplib $newdependency_libs"
+	    func_stripname '-L' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    func_append newlib_search_path " $func_resolve_sysroot_result"
+	    ;;
+	  prog)
+	    if test conv = "$pass"; then
+	      deplibs="$deplib $deplibs"
+	      continue
+	    fi
+	    if test scan = "$pass"; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    func_stripname '-L' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    func_append newlib_search_path " $func_resolve_sysroot_result"
+	    ;;
+	  *)
+	    func_warning "'-L' is ignored for archives/objects"
+	    ;;
+	  esac # linkmode
+	  continue
+	  ;; # -L
+	-R*)
+	  if test link = "$pass"; then
+	    func_stripname '-R' '' "$deplib"
+	    func_resolve_sysroot "$func_stripname_result"
+	    dir=$func_resolve_sysroot_result
+	    # Make sure the xrpath contains only unique directories.
+	    case "$xrpath " in
+	    *" $dir "*) ;;
+	    *) func_append xrpath " $dir" ;;
+	    esac
+	  fi
+	  deplibs="$deplib $deplibs"
+	  continue
+	  ;;
+	*.la)
+	  func_resolve_sysroot "$deplib"
+	  lib=$func_resolve_sysroot_result
+	  ;;
+	*.$libext)
+	  if test conv = "$pass"; then
+	    deplibs="$deplib $deplibs"
+	    continue
+	  fi
+	  case $linkmode in
+	  lib)
+	    # Linking convenience modules into shared libraries is allowed,
+	    # but linking other static libraries is non-portable.
+	    case " $dlpreconveniencelibs " in
+	    *" $deplib "*) ;;
+	    *)
+	      valid_a_lib=false
+	      case $deplibs_check_method in
+		match_pattern*)
+		  set dummy $deplibs_check_method; shift
+		  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+		  if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \
+		    | $EGREP "$match_pattern_regex" > /dev/null; then
+		    valid_a_lib=:
+		  fi
+		;;
+		pass_all)
+		  valid_a_lib=:
+		;;
+	      esac
+	      if $valid_a_lib; then
+		echo
+		$ECHO "*** Warning: Linking the shared library $output against the"
+		$ECHO "*** static library $deplib is not portable!"
+		deplibs="$deplib $deplibs"
+	      else
+		echo
+		$ECHO "*** Warning: Trying to link with static lib archive $deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because the file extensions .$libext of this argument makes me believe"
+		echo "*** that it is just a static archive that I should not use here."
+	      fi
+	      ;;
+	    esac
+	    continue
+	    ;;
+	  prog)
+	    if test link != "$pass"; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    continue
+	    ;;
+	  esac # linkmode
+	  ;; # *.$libext
+	*.lo | *.$objext)
+	  if test conv = "$pass"; then
+	    deplibs="$deplib $deplibs"
+	  elif test prog = "$linkmode"; then
+	    if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then
+	      # If there is no dlopen support or we're linking statically,
+	      # we need to preload.
+	      func_append newdlprefiles " $deplib"
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      func_append newdlfiles " $deplib"
+	    fi
+	  fi
+	  continue
+	  ;;
+	%DEPLIBS%)
+	  alldeplibs=:
+	  continue
+	  ;;
+	esac # case $deplib
+
+	$found || test -f "$lib" \
+	  || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'"
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$lib" \
+	  || func_fatal_error "'$lib' is not a valid libtool archive"
+
+	func_dirname "$lib" "" "."
+	ladir=$func_dirname_result
+
+	dlname=
+	dlopen=
+	dlpreopen=
+	libdir=
+	library_names=
+	old_library=
+	inherited_linker_flags=
+	# If the library was installed with an old release of libtool,
+	# it will not redefine variables installed, or shouldnotlink
+	installed=yes
+	shouldnotlink=no
+	avoidtemprpath=
+
+
+	# Read the .la file
+	func_source "$lib"
+
+	# Convert "-framework foo" to "foo.ltframework"
+	if test -n "$inherited_linker_flags"; then
+	  tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'`
+	  for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
+	    case " $new_inherited_linker_flags " in
+	      *" $tmp_inherited_linker_flag "*) ;;
+	      *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";;
+	    esac
+	  done
+	fi
+	dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	if test lib,link = "$linkmode,$pass" ||
+	   test prog,scan = "$linkmode,$pass" ||
+	   { test prog != "$linkmode" && test lib != "$linkmode"; }; then
+	  test -n "$dlopen" && func_append dlfiles " $dlopen"
+	  test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen"
+	fi
+
+	if test conv = "$pass"; then
+	  # Only check for convenience libraries
+	  deplibs="$lib $deplibs"
+	  if test -z "$libdir"; then
+	    if test -z "$old_library"; then
+	      func_fatal_error "cannot find name of link library for '$lib'"
+	    fi
+	    # It is a libtool convenience library, so add in its objects.
+	    func_append convenience " $ladir/$objdir/$old_library"
+	    func_append old_convenience " $ladir/$objdir/$old_library"
+	  elif test prog != "$linkmode" && test lib != "$linkmode"; then
+	    func_fatal_error "'$lib' is not a convenience library"
+	  fi
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    deplibs="$deplib $deplibs"
+	    if $opt_preserve_dup_deps; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) func_append specialdeplibs " $deplib" ;;
+	      esac
+	    fi
+	    func_append tmp_libs " $deplib"
+	  done
+	  continue
+	fi # $pass = conv
+
+
+	# Get the name of the library we link against.
+	linklib=
+	if test -n "$old_library" &&
+	   { test yes = "$prefer_static_libs" ||
+	     test built,no = "$prefer_static_libs,$installed"; }; then
+	  linklib=$old_library
+	else
+	  for l in $old_library $library_names; do
+	    linklib=$l
+	  done
+	fi
+	if test -z "$linklib"; then
+	  func_fatal_error "cannot find name of link library for '$lib'"
+	fi
+
+	# This library was specified with -dlopen.
+	if test dlopen = "$pass"; then
+	  test -z "$libdir" \
+	    && func_fatal_error "cannot -dlopen a convenience library: '$lib'"
+	  if test -z "$dlname" ||
+	     test yes != "$dlopen_support" ||
+	     test no = "$build_libtool_libs"
+	  then
+	    # If there is no dlname, no dlopen support or we're linking
+	    # statically, we need to preload.  We also need to preload any
+	    # dependent libraries so libltdl's deplib preloader doesn't
+	    # bomb out in the load deplibs phase.
+	    func_append dlprefiles " $lib $dependency_libs"
+	  else
+	    func_append newdlfiles " $lib"
+	  fi
+	  continue
+	fi # $pass = dlopen
+
+	# We need an absolute path.
+	case $ladir in
+	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;;
+	*)
+	  abs_ladir=`cd "$ladir" && pwd`
+	  if test -z "$abs_ladir"; then
+	    func_warning "cannot determine absolute directory name of '$ladir'"
+	    func_warning "passing it literally to the linker, although it might fail"
+	    abs_ladir=$ladir
+	  fi
+	  ;;
+	esac
+	func_basename "$lib"
+	laname=$func_basename_result
+
+	# Find the relevant object directory and library name.
+	if test yes = "$installed"; then
+	  if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    func_warning "library '$lib' was moved."
+	    dir=$ladir
+	    absdir=$abs_ladir
+	    libdir=$abs_ladir
+	  else
+	    dir=$lt_sysroot$libdir
+	    absdir=$lt_sysroot$libdir
+	  fi
+	  test yes = "$hardcode_automatic" && avoidtemprpath=yes
+	else
+	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    dir=$ladir
+	    absdir=$abs_ladir
+	    # Remove this search path later
+	    func_append notinst_path " $abs_ladir"
+	  else
+	    dir=$ladir/$objdir
+	    absdir=$abs_ladir/$objdir
+	    # Remove this search path later
+	    func_append notinst_path " $abs_ladir"
+	  fi
+	fi # $installed = yes
+	func_stripname 'lib' '.la' "$laname"
+	name=$func_stripname_result
+
+	# This library was specified with -dlpreopen.
+	if test dlpreopen = "$pass"; then
+	  if test -z "$libdir" && test prog = "$linkmode"; then
+	    func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'"
+	  fi
+	  case $host in
+	    # special handling for platforms with PE-DLLs.
+	    *cygwin* | *mingw* | *cegcc* )
+	      # Linker will automatically link against shared library if both
+	      # static and shared are present.  Therefore, ensure we extract
+	      # symbols from the import library if a shared library is present
+	      # (otherwise, the dlopen module name will be incorrect).  We do
+	      # this by putting the import library name into $newdlprefiles.
+	      # We recover the dlopen module name by 'saving' the la file
+	      # name in a special purpose variable, and (later) extracting the
+	      # dlname from the la file.
+	      if test -n "$dlname"; then
+	        func_tr_sh "$dir/$linklib"
+	        eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname"
+	        func_append newdlprefiles " $dir/$linklib"
+	      else
+	        func_append newdlprefiles " $dir/$old_library"
+	        # Keep a list of preopened convenience libraries to check
+	        # that they are being used correctly in the link pass.
+	        test -z "$libdir" && \
+	          func_append dlpreconveniencelibs " $dir/$old_library"
+	      fi
+	    ;;
+	    * )
+	      # Prefer using a static library (so that no silly _DYNAMIC symbols
+	      # are required to link).
+	      if test -n "$old_library"; then
+	        func_append newdlprefiles " $dir/$old_library"
+	        # Keep a list of preopened convenience libraries to check
+	        # that they are being used correctly in the link pass.
+	        test -z "$libdir" && \
+	          func_append dlpreconveniencelibs " $dir/$old_library"
+	      # Otherwise, use the dlname, so that lt_dlopen finds it.
+	      elif test -n "$dlname"; then
+	        func_append newdlprefiles " $dir/$dlname"
+	      else
+	        func_append newdlprefiles " $dir/$linklib"
+	      fi
+	    ;;
+	  esac
+	fi # $pass = dlpreopen
+
+	if test -z "$libdir"; then
+	  # Link the convenience library
+	  if test lib = "$linkmode"; then
+	    deplibs="$dir/$old_library $deplibs"
+	  elif test prog,link = "$linkmode,$pass"; then
+	    compile_deplibs="$dir/$old_library $compile_deplibs"
+	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
+	  else
+	    deplibs="$lib $deplibs" # used for prog,scan pass
+	  fi
+	  continue
+	fi
+
+
+	if test prog = "$linkmode" && test link != "$pass"; then
+	  func_append newlib_search_path " $ladir"
+	  deplibs="$lib $deplibs"
+
+	  linkalldeplibs=false
+	  if test no != "$link_all_deplibs" || test -z "$library_names" ||
+	     test no = "$build_libtool_libs"; then
+	    linkalldeplibs=:
+	  fi
+
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    case $deplib in
+	    -L*) func_stripname '-L' '' "$deplib"
+	         func_resolve_sysroot "$func_stripname_result"
+	         func_append newlib_search_path " $func_resolve_sysroot_result"
+		 ;;
+	    esac
+	    # Need to link against all dependency_libs?
+	    if $linkalldeplibs; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      # Need to hardcode shared library paths
+	      # or/and link against static libraries
+	      newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    if $opt_preserve_dup_deps; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) func_append specialdeplibs " $deplib" ;;
+	      esac
+	    fi
+	    func_append tmp_libs " $deplib"
+	  done # for deplib
+	  continue
+	fi # $linkmode = prog...
+
+	if test prog,link = "$linkmode,$pass"; then
+	  if test -n "$library_names" &&
+	     { { test no = "$prefer_static_libs" ||
+	         test built,yes = "$prefer_static_libs,$installed"; } ||
+	       test -z "$old_library"; }; then
+	    # We need to hardcode the library path
+	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then
+	      # Make sure the rpath contains only unique directories.
+	      case $temp_rpath: in
+	      *"$absdir:"*) ;;
+	      *) func_append temp_rpath "$absdir:" ;;
+	      esac
+	    fi
+
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) func_append compile_rpath " $absdir" ;;
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) func_append finalize_rpath " $libdir" ;;
+	      esac
+	      ;;
+	    esac
+	  fi # $linkmode,$pass = prog,link...
+
+	  if $alldeplibs &&
+	     { test pass_all = "$deplibs_check_method" ||
+	       { test yes = "$build_libtool_libs" &&
+		 test -n "$library_names"; }; }; then
+	    # We only need to search for static libraries
+	    continue
+	  fi
+	fi
+
+	link_static=no # Whether the deplib will be linked statically
+	use_static_libs=$prefer_static_libs
+	if test built = "$use_static_libs" && test yes = "$installed"; then
+	  use_static_libs=no
+	fi
+	if test -n "$library_names" &&
+	   { test no = "$use_static_libs" || test -z "$old_library"; }; then
+	  case $host in
+	  *cygwin* | *mingw* | *cegcc* | *os2*)
+	      # No point in relinking DLLs because paths are not encoded
+	      func_append notinst_deplibs " $lib"
+	      need_relink=no
+	    ;;
+	  *)
+	    if test no = "$installed"; then
+	      func_append notinst_deplibs " $lib"
+	      need_relink=yes
+	    fi
+	    ;;
+	  esac
+	  # This is a shared library
+
+	  # Warn about portability, can't link against -module's on some
+	  # systems (darwin).  Don't bleat about dlopened modules though!
+	  dlopenmodule=
+	  for dlpremoduletest in $dlprefiles; do
+	    if test "X$dlpremoduletest" = "X$lib"; then
+	      dlopenmodule=$dlpremoduletest
+	      break
+	    fi
+	  done
+	  if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then
+	    echo
+	    if test prog = "$linkmode"; then
+	      $ECHO "*** Warning: Linking the executable $output against the loadable module"
+	    else
+	      $ECHO "*** Warning: Linking the shared library $output against the loadable module"
+	    fi
+	    $ECHO "*** $linklib is not portable!"
+	  fi
+	  if test lib = "$linkmode" &&
+	     test yes = "$hardcode_into_libs"; then
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) func_append compile_rpath " $absdir" ;;
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) func_append finalize_rpath " $libdir" ;;
+	      esac
+	      ;;
+	    esac
+	  fi
+
+	  if test -n "$old_archive_from_expsyms_cmds"; then
+	    # figure out the soname
+	    set dummy $library_names
+	    shift
+	    realname=$1
+	    shift
+	    libname=`eval "\\$ECHO \"$libname_spec\""`
+	    # use dlname if we got it. it's perfectly good, no?
+	    if test -n "$dlname"; then
+	      soname=$dlname
+	    elif test -n "$soname_spec"; then
+	      # bleh windows
+	      case $host in
+	      *cygwin* | mingw* | *cegcc* | *os2*)
+	        func_arith $current - $age
+		major=$func_arith_result
+		versuffix=-$major
+		;;
+	      esac
+	      eval soname=\"$soname_spec\"
+	    else
+	      soname=$realname
+	    fi
+
+	    # Make a new name for the extract_expsyms_cmds to use
+	    soroot=$soname
+	    func_basename "$soroot"
+	    soname=$func_basename_result
+	    func_stripname 'lib' '.dll' "$soname"
+	    newlib=libimp-$func_stripname_result.a
+
+	    # If the library has no export list, then create one now
+	    if test -f "$output_objdir/$soname-def"; then :
+	    else
+	      func_verbose "extracting exported symbol list from '$soname'"
+	      func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
+	    fi
+
+	    # Create $newlib
+	    if test -f "$output_objdir/$newlib"; then :; else
+	      func_verbose "generating import library for '$soname'"
+	      func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
+	    fi
+	    # make sure the library variables are pointing to the new library
+	    dir=$output_objdir
+	    linklib=$newlib
+	  fi # test -n "$old_archive_from_expsyms_cmds"
+
+	  if test prog = "$linkmode" || test relink != "$opt_mode"; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    lib_linked=yes
+	    case $hardcode_action in
+	    immediate | unsupported)
+	      if test no = "$hardcode_direct"; then
+		add=$dir/$linklib
+		case $host in
+		  *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;;
+		  *-*-sysv4*uw2*) add_dir=-L$dir ;;
+		  *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+		    *-*-unixware7*) add_dir=-L$dir ;;
+		  *-*-darwin* )
+		    # if the lib is a (non-dlopened) module then we cannot
+		    # link against it, someone is ignoring the earlier warnings
+		    if /usr/bin/file -L $add 2> /dev/null |
+			 $GREP ": [^:]* bundle" >/dev/null; then
+		      if test "X$dlopenmodule" != "X$lib"; then
+			$ECHO "*** Warning: lib $linklib is a module, not a shared library"
+			if test -z "$old_library"; then
+			  echo
+			  echo "*** And there doesn't seem to be a static archive available"
+			  echo "*** The link will probably fail, sorry"
+			else
+			  add=$dir/$old_library
+			fi
+		      elif test -n "$old_library"; then
+			add=$dir/$old_library
+		      fi
+		    fi
+		esac
+	      elif test no = "$hardcode_minus_L"; then
+		case $host in
+		*-*-sunos*) add_shlibpath=$dir ;;
+		esac
+		add_dir=-L$dir
+		add=-l$name
+	      elif test no = "$hardcode_shlibpath_var"; then
+		add_shlibpath=$dir
+		add=-l$name
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    relink)
+	      if test yes = "$hardcode_direct" &&
+	         test no = "$hardcode_direct_absolute"; then
+		add=$dir/$linklib
+	      elif test yes = "$hardcode_minus_L"; then
+		add_dir=-L$absdir
+		# Try looking first in the location we're being installed to.
+		if test -n "$inst_prefix_dir"; then
+		  case $libdir in
+		    [\\/]*)
+		      func_append add_dir " -L$inst_prefix_dir$libdir"
+		      ;;
+		  esac
+		fi
+		add=-l$name
+	      elif test yes = "$hardcode_shlibpath_var"; then
+		add_shlibpath=$dir
+		add=-l$name
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    *) lib_linked=no ;;
+	    esac
+
+	    if test yes != "$lib_linked"; then
+	      func_fatal_configuration "unsupported hardcode properties"
+	    fi
+
+	    if test -n "$add_shlibpath"; then
+	      case :$compile_shlibpath: in
+	      *":$add_shlibpath:"*) ;;
+	      *) func_append compile_shlibpath "$add_shlibpath:" ;;
+	      esac
+	    fi
+	    if test prog = "$linkmode"; then
+	      test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+	      test -n "$add" && compile_deplibs="$add $compile_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	      if test yes != "$hardcode_direct" &&
+		 test yes != "$hardcode_minus_L" &&
+		 test yes = "$hardcode_shlibpath_var"; then
+		case :$finalize_shlibpath: in
+		*":$libdir:"*) ;;
+		*) func_append finalize_shlibpath "$libdir:" ;;
+		esac
+	      fi
+	    fi
+	  fi
+
+	  if test prog = "$linkmode" || test relink = "$opt_mode"; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    # Finalize command for both is simple: just hardcode it.
+	    if test yes = "$hardcode_direct" &&
+	       test no = "$hardcode_direct_absolute"; then
+	      add=$libdir/$linklib
+	    elif test yes = "$hardcode_minus_L"; then
+	      add_dir=-L$libdir
+	      add=-l$name
+	    elif test yes = "$hardcode_shlibpath_var"; then
+	      case :$finalize_shlibpath: in
+	      *":$libdir:"*) ;;
+	      *) func_append finalize_shlibpath "$libdir:" ;;
+	      esac
+	      add=-l$name
+	    elif test yes = "$hardcode_automatic"; then
+	      if test -n "$inst_prefix_dir" &&
+		 test -f "$inst_prefix_dir$libdir/$linklib"; then
+		add=$inst_prefix_dir$libdir/$linklib
+	      else
+		add=$libdir/$linklib
+	      fi
+	    else
+	      # We cannot seem to hardcode it, guess we'll fake it.
+	      add_dir=-L$libdir
+	      # Try looking first in the location we're being installed to.
+	      if test -n "$inst_prefix_dir"; then
+		case $libdir in
+		  [\\/]*)
+		    func_append add_dir " -L$inst_prefix_dir$libdir"
+		    ;;
+		esac
+	      fi
+	      add=-l$name
+	    fi
+
+	    if test prog = "$linkmode"; then
+	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	    fi
+	  fi
+	elif test prog = "$linkmode"; then
+	  # Here we assume that one of hardcode_direct or hardcode_minus_L
+	  # is not unsupported.  This is valid on all known static and
+	  # shared platforms.
+	  if test unsupported != "$hardcode_direct"; then
+	    test -n "$old_library" && linklib=$old_library
+	    compile_deplibs="$dir/$linklib $compile_deplibs"
+	    finalize_deplibs="$dir/$linklib $finalize_deplibs"
+	  else
+	    compile_deplibs="-l$name -L$dir $compile_deplibs"
+	    finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+	  fi
+	elif test yes = "$build_libtool_libs"; then
+	  # Not a shared library
+	  if test pass_all != "$deplibs_check_method"; then
+	    # We're trying link a shared library against a static one
+	    # but the system doesn't support it.
+
+	    # Just print a warning and add the library to dependency_libs so
+	    # that the program can be linked against the static library.
+	    echo
+	    $ECHO "*** Warning: This system cannot link to static lib archive $lib."
+	    echo "*** I have the capability to make that library automatically link in when"
+	    echo "*** you link to this library.  But I can only do this if you have a"
+	    echo "*** shared version of the library, which you do not appear to have."
+	    if test yes = "$module"; then
+	      echo "*** But as you try to build a module library, libtool will still create "
+	      echo "*** a static module, that should work as long as the dlopening application"
+	      echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
+	      if test -z "$global_symbol_pipe"; then
+		echo
+		echo "*** However, this would only work if libtool was able to extract symbol"
+		echo "*** lists from a program, using 'nm' or equivalent, but libtool could"
+		echo "*** not find such a program.  So, this module is probably useless."
+		echo "*** 'nm' from GNU binutils and a full rebuild may help."
+	      fi
+	      if test no = "$build_old_libs"; then
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  else
+	    deplibs="$dir/$old_library $deplibs"
+	    link_static=yes
+	  fi
+	fi # link shared/static library?
+
+	if test lib = "$linkmode"; then
+	  if test -n "$dependency_libs" &&
+	     { test yes != "$hardcode_into_libs" ||
+	       test yes = "$build_old_libs" ||
+	       test yes = "$link_static"; }; then
+	    # Extract -R from dependency_libs
+	    temp_deplibs=
+	    for libdir in $dependency_libs; do
+	      case $libdir in
+	      -R*) func_stripname '-R' '' "$libdir"
+	           temp_xrpath=$func_stripname_result
+		   case " $xrpath " in
+		   *" $temp_xrpath "*) ;;
+		   *) func_append xrpath " $temp_xrpath";;
+		   esac;;
+	      *) func_append temp_deplibs " $libdir";;
+	      esac
+	    done
+	    dependency_libs=$temp_deplibs
+	  fi
+
+	  func_append newlib_search_path " $absdir"
+	  # Link against this library
+	  test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+	  # ... and its dependency_libs
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    newdependency_libs="$deplib $newdependency_libs"
+	    case $deplib in
+              -L*) func_stripname '-L' '' "$deplib"
+                   func_resolve_sysroot "$func_stripname_result";;
+              *) func_resolve_sysroot "$deplib" ;;
+            esac
+	    if $opt_preserve_dup_deps; then
+	      case "$tmp_libs " in
+	      *" $func_resolve_sysroot_result "*)
+                func_append specialdeplibs " $func_resolve_sysroot_result" ;;
+	      esac
+	    fi
+	    func_append tmp_libs " $func_resolve_sysroot_result"
+	  done
+
+	  if test no != "$link_all_deplibs"; then
+	    # Add the search paths of all dependency libraries
+	    for deplib in $dependency_libs; do
+	      path=
+	      case $deplib in
+	      -L*) path=$deplib ;;
+	      *.la)
+	        func_resolve_sysroot "$deplib"
+	        deplib=$func_resolve_sysroot_result
+	        func_dirname "$deplib" "" "."
+		dir=$func_dirname_result
+		# We need an absolute path.
+		case $dir in
+		[\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;;
+		*)
+		  absdir=`cd "$dir" && pwd`
+		  if test -z "$absdir"; then
+		    func_warning "cannot determine absolute directory name of '$dir'"
+		    absdir=$dir
+		  fi
+		  ;;
+		esac
+		if $GREP "^installed=no" $deplib > /dev/null; then
+		case $host in
+		*-*-darwin*)
+		  depdepl=
+		  eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+		  if test -n "$deplibrary_names"; then
+		    for tmp in $deplibrary_names; do
+		      depdepl=$tmp
+		    done
+		    if test -f "$absdir/$objdir/$depdepl"; then
+		      depdepl=$absdir/$objdir/$depdepl
+		      darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+                      if test -z "$darwin_install_name"; then
+                          darwin_install_name=`$OTOOL64 -L $depdepl  | awk '{if (NR == 2) {print $1;exit}}'`
+                      fi
+		      func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl"
+		      func_append linker_flags " -dylib_file $darwin_install_name:$depdepl"
+		      path=
+		    fi
+		  fi
+		  ;;
+		*)
+		  path=-L$absdir/$objdir
+		  ;;
+		esac
+		else
+		  eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		  test -z "$libdir" && \
+		    func_fatal_error "'$deplib' is not a valid libtool archive"
+		  test "$absdir" != "$libdir" && \
+		    func_warning "'$deplib' seems to be moved"
+
+		  path=-L$absdir
+		fi
+		;;
+	      esac
+	      case " $deplibs " in
+	      *" $path "*) ;;
+	      *) deplibs="$path $deplibs" ;;
+	      esac
+	    done
+	  fi # link_all_deplibs != no
+	fi # linkmode = lib
+      done # for deplib in $libs
+      if test link = "$pass"; then
+	if test prog = "$linkmode"; then
+	  compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
+	  finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
+	else
+	  compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	fi
+      fi
+      dependency_libs=$newdependency_libs
+      if test dlpreopen = "$pass"; then
+	# Link the dlpreopened libraries before other libraries
+	for deplib in $save_deplibs; do
+	  deplibs="$deplib $deplibs"
+	done
+      fi
+      if test dlopen != "$pass"; then
+	test conv = "$pass" || {
+	  # Make sure lib_search_path contains only unique directories.
+	  lib_search_path=
+	  for dir in $newlib_search_path; do
+	    case "$lib_search_path " in
+	    *" $dir "*) ;;
+	    *) func_append lib_search_path " $dir" ;;
+	    esac
+	  done
+	  newlib_search_path=
+	}
+
+	if test prog,link = "$linkmode,$pass"; then
+	  vars="compile_deplibs finalize_deplibs"
+	else
+	  vars=deplibs
+	fi
+	for var in $vars dependency_libs; do
+	  # Add libraries to $var in reverse order
+	  eval tmp_libs=\"\$$var\"
+	  new_libs=
+	  for deplib in $tmp_libs; do
+	    # FIXME: Pedantically, this is the right thing to do, so
+	    #        that some nasty dependency loop isn't accidentally
+	    #        broken:
+	    #new_libs="$deplib $new_libs"
+	    # Pragmatically, this seems to cause very few problems in
+	    # practice:
+	    case $deplib in
+	    -L*) new_libs="$deplib $new_libs" ;;
+	    -R*) ;;
+	    *)
+	      # And here is the reason: when a library appears more
+	      # than once as an explicit dependence of a library, or
+	      # is implicitly linked in more than once by the
+	      # compiler, it is considered special, and multiple
+	      # occurrences thereof are not removed.  Compare this
+	      # with having the same library being listed as a
+	      # dependency of multiple other libraries: in this case,
+	      # we know (pedantically, we assume) the library does not
+	      # need to be listed more than once, so we keep only the
+	      # last copy.  This is not always right, but it is rare
+	      # enough that we require users that really mean to play
+	      # such unportable linking tricks to link the library
+	      # using -Wl,-lname, so that libtool does not consider it
+	      # for duplicate removal.
+	      case " $specialdeplibs " in
+	      *" $deplib "*) new_libs="$deplib $new_libs" ;;
+	      *)
+		case " $new_libs " in
+		*" $deplib "*) ;;
+		*) new_libs="$deplib $new_libs" ;;
+		esac
+		;;
+	      esac
+	      ;;
+	    esac
+	  done
+	  tmp_libs=
+	  for deplib in $new_libs; do
+	    case $deplib in
+	    -L*)
+	      case " $tmp_libs " in
+	      *" $deplib "*) ;;
+	      *) func_append tmp_libs " $deplib" ;;
+	      esac
+	      ;;
+	    *) func_append tmp_libs " $deplib" ;;
+	    esac
+	  done
+	  eval $var=\"$tmp_libs\"
+	done # for var
+      fi
+
+      # Add Sun CC postdeps if required:
+      test CXX = "$tagname" && {
+        case $host_os in
+        linux*)
+          case `$CC -V 2>&1 | $SED 5q` in
+          *Sun\ C*) # Sun C++ 5.9
+            func_suncc_cstd_abi
+
+            if test no != "$suncc_use_cstd_abi"; then
+              func_append postdeps ' -library=Cstd -library=Crun'
+            fi
+            ;;
+          esac
+          ;;
+
+        solaris*)
+          func_cc_basename "$CC"
+          case $func_cc_basename_result in
+          CC* | sunCC*)
+            func_suncc_cstd_abi
+
+            if test no != "$suncc_use_cstd_abi"; then
+              func_append postdeps ' -library=Cstd -library=Crun'
+            fi
+            ;;
+          esac
+          ;;
+        esac
+      }
+
+      # Last step: remove runtime libs from dependency_libs
+      # (they stay in deplibs)
+      tmp_libs=
+      for i in $dependency_libs; do
+	case " $predeps $postdeps $compiler_lib_search_path " in
+	*" $i "*)
+	  i=
+	  ;;
+	esac
+	if test -n "$i"; then
+	  func_append tmp_libs " $i"
+	fi
+      done
+      dependency_libs=$tmp_libs
+    done # for pass
+    if test prog = "$linkmode"; then
+      dlfiles=$newdlfiles
+    fi
+    if test prog = "$linkmode" || test lib = "$linkmode"; then
+      dlprefiles=$newdlprefiles
+    fi
+
+    case $linkmode in
+    oldlib)
+      if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
+	func_warning "'-dlopen' is ignored for archives"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "'-l' and '-L' are ignored for archives" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "'-rpath' is ignored for archives"
+
+      test -n "$xrpath" && \
+	func_warning "'-R' is ignored for archives"
+
+      test -n "$vinfo" && \
+	func_warning "'-version-info/-version-number' is ignored for archives"
+
+      test -n "$release" && \
+	func_warning "'-release' is ignored for archives"
+
+      test -n "$export_symbols$export_symbols_regex" && \
+	func_warning "'-export-symbols' is ignored for archives"
+
+      # Now set the variables for building old libraries.
+      build_libtool_libs=no
+      oldlibs=$output
+      func_append objs "$old_deplibs"
+      ;;
+
+    lib)
+      # Make sure we only generate libraries of the form 'libNAME.la'.
+      case $outputname in
+      lib*)
+	func_stripname 'lib' '.la' "$outputname"
+	name=$func_stripname_result
+	eval shared_ext=\"$shrext_cmds\"
+	eval libname=\"$libname_spec\"
+	;;
+      *)
+	test no = "$module" \
+	  && func_fatal_help "libtool library '$output' must begin with 'lib'"
+
+	if test no != "$need_lib_prefix"; then
+	  # Add the "lib" prefix for modules if required
+	  func_stripname '' '.la' "$outputname"
+	  name=$func_stripname_result
+	  eval shared_ext=\"$shrext_cmds\"
+	  eval libname=\"$libname_spec\"
+	else
+	  func_stripname '' '.la' "$outputname"
+	  libname=$func_stripname_result
+	fi
+	;;
+      esac
+
+      if test -n "$objs"; then
+	if test pass_all != "$deplibs_check_method"; then
+	  func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs"
+	else
+	  echo
+	  $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
+	  $ECHO "*** objects $objs is not portable!"
+	  func_append libobjs " $objs"
+	fi
+      fi
+
+      test no = "$dlself" \
+	|| func_warning "'-dlopen self' is ignored for libtool libraries"
+
+      set dummy $rpath
+      shift
+      test 1 -lt "$#" \
+	&& func_warning "ignoring multiple '-rpath's for a libtool library"
+
+      install_libdir=$1
+
+      oldlibs=
+      if test -z "$rpath"; then
+	if test yes = "$build_libtool_libs"; then
+	  # Building a libtool convenience library.
+	  # Some compilers have problems with a '.al' extension so
+	  # convenience libraries should have the same extension an
+	  # archive normally would.
+	  oldlibs="$output_objdir/$libname.$libext $oldlibs"
+	  build_libtool_libs=convenience
+	  build_old_libs=yes
+	fi
+
+	test -n "$vinfo" && \
+	  func_warning "'-version-info/-version-number' is ignored for convenience libraries"
+
+	test -n "$release" && \
+	  func_warning "'-release' is ignored for convenience libraries"
+      else
+
+	# Parse the version information argument.
+	save_ifs=$IFS; IFS=:
+	set dummy $vinfo 0 0 0
+	shift
+	IFS=$save_ifs
+
+	test -n "$7" && \
+	  func_fatal_help "too many parameters to '-version-info'"
+
+	# convert absolute version numbers to libtool ages
+	# this retains compatibility with .la files and attempts
+	# to make the code below a bit more comprehensible
+
+	case $vinfo_number in
+	yes)
+	  number_major=$1
+	  number_minor=$2
+	  number_revision=$3
+	  #
+	  # There are really only two kinds -- those that
+	  # use the current revision as the major version
+	  # and those that subtract age and use age as
+	  # a minor version.  But, then there is irix
+	  # that has an extra 1 added just for fun
+	  #
+	  case $version_type in
+	  # correct linux to gnu/linux during the next big refactor
+	  darwin|freebsd-elf|linux|midnightbsd-elf|osf|windows|none)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age=$number_minor
+	    revision=$number_revision
+	    ;;
+	  freebsd-aout|qnx|sunos)
+	    current=$number_major
+	    revision=$number_minor
+	    age=0
+	    ;;
+	  irix|nonstopux)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age=$number_minor
+	    revision=$number_minor
+	    lt_irix_increment=no
+	    ;;
+	  esac
+	  ;;
+	no)
+	  current=$1
+	  revision=$2
+	  age=$3
+	  ;;
+	esac
+
+	# Check that each of the things are valid numbers.
+	case $current in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "CURRENT '$current' must be a nonnegative integer"
+	  func_fatal_error "'$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $revision in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "REVISION '$revision' must be a nonnegative integer"
+	  func_fatal_error "'$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $age in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "AGE '$age' must be a nonnegative integer"
+	  func_fatal_error "'$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	if test "$age" -gt "$current"; then
+	  func_error "AGE '$age' is greater than the current interface number '$current'"
+	  func_fatal_error "'$vinfo' is not valid version information"
+	fi
+
+	# Calculate the version variables.
+	major=
+	versuffix=
+	verstring=
+	case $version_type in
+	none) ;;
+
+	darwin)
+	  # Like Linux, but with the current version available in
+	  # verstring for coding it into the library header
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=$major.$age.$revision
+	  # Darwin ld doesn't like 0 for these options...
+	  func_arith $current + 1
+	  minor_current=$func_arith_result
+	  xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision"
+	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+          # On Darwin other compilers
+          case $CC in
+              nagfor*)
+                  verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision"
+                  ;;
+              *)
+                  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+                  ;;
+          esac
+	  ;;
+
+	freebsd-aout)
+	  major=.$current
+	  versuffix=.$current.$revision
+	  ;;
+
+	freebsd-elf | midnightbsd-elf)
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=$major.$age.$revision
+	  ;;
+
+	irix | nonstopux)
+	  if test no = "$lt_irix_increment"; then
+	    func_arith $current - $age
+	  else
+	    func_arith $current - $age + 1
+	  fi
+	  major=$func_arith_result
+
+	  case $version_type in
+	    nonstopux) verstring_prefix=nonstopux ;;
+	    *)         verstring_prefix=sgi ;;
+	  esac
+	  verstring=$verstring_prefix$major.$revision
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$revision
+	  while test 0 -ne "$loop"; do
+	    func_arith $revision - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring=$verstring_prefix$major.$iface:$verstring
+	  done
+
+	  # Before this point, $major must not contain '.'.
+	  major=.$major
+	  versuffix=$major.$revision
+	  ;;
+
+	linux) # correct to gnu/linux during the next big refactor
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=$major.$age.$revision
+	  ;;
+
+	osf)
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=.$current.$age.$revision
+	  verstring=$current.$age.$revision
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$age
+	  while test 0 -ne "$loop"; do
+	    func_arith $current - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring=$verstring:$iface.0
+	  done
+
+	  # Make executables depend on our current version.
+	  func_append verstring ":$current.0"
+	  ;;
+
+	qnx)
+	  major=.$current
+	  versuffix=.$current
+	  ;;
+
+	sco)
+	  major=.$current
+	  versuffix=.$current
+	  ;;
+
+	sunos)
+	  major=.$current
+	  versuffix=.$current.$revision
+	  ;;
+
+	windows)
+	  # Use '-' rather than '.', since we only want one
+	  # extension on DOS 8.3 file systems.
+	  func_arith $current - $age
+	  major=$func_arith_result
+	  versuffix=-$major
+	  ;;
+
+	*)
+	  func_fatal_configuration "unknown library version type '$version_type'"
+	  ;;
+	esac
+
+	# Clear the version info if we defaulted, and they specified a release.
+	if test -z "$vinfo" && test -n "$release"; then
+	  major=
+	  case $version_type in
+	  darwin)
+	    # we can't check for "0.0" in archive_cmds due to quoting
+	    # problems, so we reset it completely
+	    verstring=
+	    ;;
+	  *)
+	    verstring=0.0
+	    ;;
+	  esac
+	  if test no = "$need_version"; then
+	    versuffix=
+	  else
+	    versuffix=.0.0
+	  fi
+	fi
+
+	# Remove version info from name if versioning should be avoided
+	if test yes,no = "$avoid_version,$need_version"; then
+	  major=
+	  versuffix=
+	  verstring=
+	fi
+
+	# Check to see if the archive will have undefined symbols.
+	if test yes = "$allow_undefined"; then
+	  if test unsupported = "$allow_undefined_flag"; then
+	    if test yes = "$build_old_libs"; then
+	      func_warning "undefined symbols not allowed in $host shared libraries; building static only"
+	      build_libtool_libs=no
+	    else
+	      func_fatal_error "can't build $host shared library unless -no-undefined is specified"
+	    fi
+	  fi
+	else
+	  # Don't allow undefined symbols.
+	  allow_undefined_flag=$no_undefined_flag
+	fi
+
+      fi
+
+      func_generate_dlsyms "$libname" "$libname" :
+      func_append libobjs " $symfileobj"
+      test " " = "$libobjs" && libobjs=
+
+      if test relink != "$opt_mode"; then
+	# Remove our outputs, but don't remove object files since they
+	# may have been created when compiling PIC objects.
+	removelist=
+	tempremovelist=`$ECHO "$output_objdir/*"`
+	for p in $tempremovelist; do
+	  case $p in
+	    *.$objext | *.gcno)
+	       ;;
+	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*)
+	       if test -n "$precious_files_regex"; then
+		 if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+		 then
+		   continue
+		 fi
+	       fi
+	       func_append removelist " $p"
+	       ;;
+	    *) ;;
+	  esac
+	done
+	test -n "$removelist" && \
+	  func_show_eval "${RM}r \$removelist"
+      fi
+
+      # Now set the variables for building old libraries.
+      if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then
+	func_append oldlibs " $output_objdir/$libname.$libext"
+
+	# Transform .lo files to .o files.
+	oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP`
+      fi
+
+      # Eliminate all temporary directories.
+      #for path in $notinst_path; do
+      #	lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"`
+      #	deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"`
+      #	dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"`
+      #done
+
+      if test -n "$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	temp_xrpath=
+	for libdir in $xrpath; do
+	  func_replace_sysroot "$libdir"
+	  func_append temp_xrpath " -R$func_replace_sysroot_result"
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append finalize_rpath " $libdir" ;;
+	  esac
+	done
+	if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then
+	  dependency_libs="$temp_xrpath $dependency_libs"
+	fi
+      fi
+
+      # Make sure dlfiles contains only unique files that won't be dlpreopened
+      old_dlfiles=$dlfiles
+      dlfiles=
+      for lib in $old_dlfiles; do
+	case " $dlprefiles $dlfiles " in
+	*" $lib "*) ;;
+	*) func_append dlfiles " $lib" ;;
+	esac
+      done
+
+      # Make sure dlprefiles contains only unique files
+      old_dlprefiles=$dlprefiles
+      dlprefiles=
+      for lib in $old_dlprefiles; do
+	case "$dlprefiles " in
+	*" $lib "*) ;;
+	*) func_append dlprefiles " $lib" ;;
+	esac
+      done
+
+      if test yes = "$build_libtool_libs"; then
+	if test -n "$rpath"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*)
+	    # these systems don't actually have a c library (as such)!
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C library is in the System framework
+	    func_append deplibs " System.ltframework"
+	    ;;
+	  *-*-netbsd*)
+	    # Don't link with libc until the a.out ld.so is fixed.
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-midnightbsd*)
+	    # Do not include libc due to us having libc/libc_r.
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    ;;
+	  *)
+	    # Add libc to deplibs on all other systems if necessary.
+	    if test yes = "$build_libtool_need_lc"; then
+	      func_append deplibs " -lc"
+	    fi
+	    ;;
+	  esac
+	fi
+
+	# Transform deplibs into only deplibs that can be linked in shared.
+	name_save=$name
+	libname_save=$libname
+	release_save=$release
+	versuffix_save=$versuffix
+	major_save=$major
+	# I'm not sure if I'm treating the release correctly.  I think
+	# release should show up in the -l (ie -lgmp5) so we don't want to
+	# add it in twice.  Is that correct?
+	release=
+	versuffix=
+	major=
+	newdeplibs=
+	droppeddeps=no
+	case $deplibs_check_method in
+	pass_all)
+	  # Don't check for shared/static.  Everything works.
+	  # This might be a little naive.  We might want to check
+	  # whether the library exists or not.  But this is on
+	  # osf3 & osf4 and I'm not really sure... Just
+	  # implementing what was already the behavior.
+	  newdeplibs=$deplibs
+	  ;;
+	test_compile)
+	  # This code stresses the "libraries are programs" paradigm to its
+	  # limits. Maybe even breaks it.  We compile a program, linking it
+	  # against the deplibs as a proxy for the library.  Then we can check
+	  # whether they linked in statically or dynamically with ldd.
+	  $opt_dry_run || $RM conftest.c
+	  cat > conftest.c <<EOF
+	  int main() { return 0; }
+EOF
+	  $opt_dry_run || $RM conftest
+	  if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+	    ldd_output=`ldd conftest`
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		if test yes = "$allow_libtool_libs_with_static_runtimes"; then
+		  case " $predeps $postdeps " in
+		  *" $i "*)
+		    func_append newdeplibs " $i"
+		    i=
+		    ;;
+		  esac
+		fi
+		if test -n "$i"; then
+		  libname=`eval "\\$ECHO \"$libname_spec\""`
+		  deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		  set dummy $deplib_matches; shift
+		  deplib_match=$1
+		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0; then
+		    func_append newdeplibs " $i"
+		  else
+		    droppeddeps=yes
+		    echo
+		    $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		    echo "*** I have the capability to make that library automatically link in when"
+		    echo "*** you link to this library.  But I can only do this if you have a"
+		    echo "*** shared version of the library, which I believe you do not have"
+		    echo "*** because a test_compile did reveal that the linker did not use it for"
+		    echo "*** its dynamic dependency list that programs get resolved with at runtime."
+		  fi
+		fi
+		;;
+	      *)
+		func_append newdeplibs " $i"
+		;;
+	      esac
+	    done
+	  else
+	    # Error occurred in the first compile.  Let's try to salvage
+	    # the situation: Compile a separate program for each library.
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		$opt_dry_run || $RM conftest
+		if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+		  ldd_output=`ldd conftest`
+		  if test yes = "$allow_libtool_libs_with_static_runtimes"; then
+		    case " $predeps $postdeps " in
+		    *" $i "*)
+		      func_append newdeplibs " $i"
+		      i=
+		      ;;
+		    esac
+		  fi
+		  if test -n "$i"; then
+		    libname=`eval "\\$ECHO \"$libname_spec\""`
+		    deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		    set dummy $deplib_matches; shift
+		    deplib_match=$1
+		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0; then
+		      func_append newdeplibs " $i"
+		    else
+		      droppeddeps=yes
+		      echo
+		      $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		      echo "*** I have the capability to make that library automatically link in when"
+		      echo "*** you link to this library.  But I can only do this if you have a"
+		      echo "*** shared version of the library, which you do not appear to have"
+		      echo "*** because a test_compile did reveal that the linker did not use this one"
+		      echo "*** as a dynamic dependency that programs can get resolved with at runtime."
+		    fi
+		  fi
+		else
+		  droppeddeps=yes
+		  echo
+		  $ECHO "*** Warning!  Library $i is needed by this library but I was not able to"
+		  echo "*** make it link in!  You will probably need to install it or some"
+		  echo "*** library that it depends on before this library will be fully"
+		  echo "*** functional.  Installing it before continuing would be even better."
+		fi
+		;;
+	      *)
+		func_append newdeplibs " $i"
+		;;
+	      esac
+	    done
+	  fi
+	  ;;
+	file_magic*)
+	  set dummy $deplibs_check_method; shift
+	  file_magic_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test yes = "$allow_libtool_libs_with_static_runtimes"; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  func_append newdeplibs " $a_deplib"
+		  a_deplib=
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib"; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		if test -n "$file_magic_glob"; then
+		  libnameglob=`func_echo_all "$libname" | $SED -e $file_magic_glob`
+		else
+		  libnameglob=$libname
+		fi
+		test yes = "$want_nocaseglob" && nocaseglob=`shopt -p nocaseglob`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  if test yes = "$want_nocaseglob"; then
+		    shopt -s nocaseglob
+		    potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+		    $nocaseglob
+		  else
+		    potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+		  fi
+		  for potent_lib in $potential_libs; do
+		      # Follow soft links.
+		      if ls -lLd "$potent_lib" 2>/dev/null |
+			 $GREP " -> " >/dev/null; then
+			continue
+		      fi
+		      # The statement above tries to avoid entering an
+		      # endless loop below, in case of cyclic links.
+		      # We might still enter an endless loop, since a link
+		      # loop can be closed while we follow links,
+		      # but so what?
+		      potlib=$potent_lib
+		      while test -h "$potlib" 2>/dev/null; do
+			potliblink=`ls -ld $potlib | $SED 's/.* -> //'`
+			case $potliblink in
+			[\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;;
+			*) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";;
+			esac
+		      done
+		      if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
+			 $SED -e 10q |
+			 $EGREP "$file_magic_regex" > /dev/null; then
+			func_append newdeplibs " $a_deplib"
+			a_deplib=
+			break 2
+		      fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib"; then
+		droppeddeps=yes
+		echo
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib"; then
+		  $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a file magic. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      func_append newdeplibs " $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	match_pattern*)
+	  set dummy $deplibs_check_method; shift
+	  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test yes = "$allow_libtool_libs_with_static_runtimes"; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  func_append newdeplibs " $a_deplib"
+		  a_deplib=
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib"; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+		  for potent_lib in $potential_libs; do
+		    potlib=$potent_lib # see symlink-check above in file_magic test
+		    if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \
+		       $EGREP "$match_pattern_regex" > /dev/null; then
+		      func_append newdeplibs " $a_deplib"
+		      a_deplib=
+		      break 2
+		    fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib"; then
+		droppeddeps=yes
+		echo
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		echo "*** I have the capability to make that library automatically link in when"
+		echo "*** you link to this library.  But I can only do this if you have a"
+		echo "*** shared version of the library, which you do not appear to have"
+		echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib"; then
+		  $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a regex pattern. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      func_append newdeplibs " $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	none | unknown | *)
+	  newdeplibs=
+	  tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'`
+	  if test yes = "$allow_libtool_libs_with_static_runtimes"; then
+	    for i in $predeps $postdeps; do
+	      # can't use Xsed below, because $i might contain '/'
+	      tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"`
+	    done
+	  fi
+	  case $tmp_deplibs in
+	  *[!\	\ ]*)
+	    echo
+	    if test none = "$deplibs_check_method"; then
+	      echo "*** Warning: inter-library dependencies are not supported in this platform."
+	    else
+	      echo "*** Warning: inter-library dependencies are not known to be supported."
+	    fi
+	    echo "*** All declared inter-library dependencies are being dropped."
+	    droppeddeps=yes
+	    ;;
+	  esac
+	  ;;
+	esac
+	versuffix=$versuffix_save
+	major=$major_save
+	release=$release_save
+	libname=$libname_save
+	name=$name_save
+
+	case $host in
+	*-*-rhapsody* | *-*-darwin1.[012])
+	  # On Rhapsody replace the C library with the System framework
+	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'`
+	  ;;
+	esac
+
+	if test yes = "$droppeddeps"; then
+	  if test yes = "$module"; then
+	    echo
+	    echo "*** Warning: libtool could not satisfy all declared inter-library"
+	    $ECHO "*** dependencies of module $libname.  Therefore, libtool will create"
+	    echo "*** a static module, that should work as long as the dlopening"
+	    echo "*** application is linked with the -dlopen flag."
+	    if test -z "$global_symbol_pipe"; then
+	      echo
+	      echo "*** However, this would only work if libtool was able to extract symbol"
+	      echo "*** lists from a program, using 'nm' or equivalent, but libtool could"
+	      echo "*** not find such a program.  So, this module is probably useless."
+	      echo "*** 'nm' from GNU binutils and a full rebuild may help."
+	    fi
+	    if test no = "$build_old_libs"; then
+	      oldlibs=$output_objdir/$libname.$libext
+	      build_libtool_libs=module
+	      build_old_libs=yes
+	    else
+	      build_libtool_libs=no
+	    fi
+	  else
+	    echo "*** The inter-library dependencies that have been dropped here will be"
+	    echo "*** automatically added whenever a program is linked with this library"
+	    echo "*** or is declared to -dlopen it."
+
+	    if test no = "$allow_undefined"; then
+	      echo
+	      echo "*** Since this library must not contain undefined symbols,"
+	      echo "*** because either the platform does not support them or"
+	      echo "*** it was explicitly requested with -no-undefined,"
+	      echo "*** libtool will only create a static version of it."
+	      if test no = "$build_old_libs"; then
+		oldlibs=$output_objdir/$libname.$libext
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  fi
+	fi
+	# Done checking deplibs!
+	deplibs=$newdeplibs
+      fi
+      # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+      case $host in
+	*-*-darwin*)
+	  newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  ;;
+      esac
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $deplibs " in
+	  *" -L$path/$objdir "*)
+	    func_append new_libs " -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) func_append new_libs " $deplib" ;;
+	  esac
+	  ;;
+	*) func_append new_libs " $deplib" ;;
+	esac
+      done
+      deplibs=$new_libs
+
+      # All the library-specific variables (install_libdir is set above).
+      library_names=
+      old_library=
+      dlname=
+
+      # Test again, we may have decided not to build it any more
+      if test yes = "$build_libtool_libs"; then
+	# Remove $wl instances when linking with ld.
+	# FIXME: should test the right _cmds variable.
+	case $archive_cmds in
+	  *\$LD\ *) wl= ;;
+        esac
+	if test yes = "$hardcode_into_libs"; then
+	  # Hardcode the library paths
+	  hardcode_libdirs=
+	  dep_rpath=
+	  rpath=$finalize_rpath
+	  test relink = "$opt_mode" || rpath=$compile_rpath$rpath
+	  for libdir in $rpath; do
+	    if test -n "$hardcode_libdir_flag_spec"; then
+	      if test -n "$hardcode_libdir_separator"; then
+		func_replace_sysroot "$libdir"
+		libdir=$func_replace_sysroot_result
+		if test -z "$hardcode_libdirs"; then
+		  hardcode_libdirs=$libdir
+		else
+		  # Just accumulate the unique libdirs.
+		  case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+		  *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		    ;;
+		  *)
+		    func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+		    ;;
+		  esac
+		fi
+	      else
+		eval flag=\"$hardcode_libdir_flag_spec\"
+		func_append dep_rpath " $flag"
+	      fi
+	    elif test -n "$runpath_var"; then
+	      case "$perm_rpath " in
+	      *" $libdir "*) ;;
+	      *) func_append perm_rpath " $libdir" ;;
+	      esac
+	    fi
+	  done
+	  # Substitute the hardcoded libdirs into the rpath.
+	  if test -n "$hardcode_libdir_separator" &&
+	     test -n "$hardcode_libdirs"; then
+	    libdir=$hardcode_libdirs
+	    eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
+	  fi
+	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
+	    # We should set the runpath_var.
+	    rpath=
+	    for dir in $perm_rpath; do
+	      func_append rpath "$dir:"
+	    done
+	    eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+	  fi
+	  test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+	fi
+
+	shlibpath=$finalize_shlibpath
+	test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath
+	if test -n "$shlibpath"; then
+	  eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+	fi
+
+	# Get the real and link names of the library.
+	eval shared_ext=\"$shrext_cmds\"
+	eval library_names=\"$library_names_spec\"
+	set dummy $library_names
+	shift
+	realname=$1
+	shift
+
+	if test -n "$soname_spec"; then
+	  eval soname=\"$soname_spec\"
+	else
+	  soname=$realname
+	fi
+	if test -z "$dlname"; then
+	  dlname=$soname
+	fi
+
+	lib=$output_objdir/$realname
+	linknames=
+	for link
+	do
+	  func_append linknames " $link"
+	done
+
+	# Use standard objects if they are pic
+	test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	test "X$libobjs" = "X " && libobjs=
+
+	delfiles=
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
+	  export_symbols=$output_objdir/$libname.uexp
+	  func_append delfiles " $export_symbols"
+	fi
+
+	orig_export_symbols=
+	case $host_os in
+	cygwin* | mingw* | cegcc*)
+	  if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
+	    # exporting using user supplied symfile
+	    func_dll_def_p "$export_symbols" || {
+	      # and it's NOT already a .def file. Must figure out
+	      # which of the given symbols are data symbols and tag
+	      # them as such. So, trigger use of export_symbols_cmds.
+	      # export_symbols gets reassigned inside the "prepare
+	      # the list of exported symbols" if statement, so the
+	      # include_expsyms logic still works.
+	      orig_export_symbols=$export_symbols
+	      export_symbols=
+	      always_export_symbols=yes
+	    }
+	  fi
+	  ;;
+	esac
+
+	# Prepare the list of exported symbols
+	if test -z "$export_symbols"; then
+	  if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then
+	    func_verbose "generating symbol list for '$libname.la'"
+	    export_symbols=$output_objdir/$libname.exp
+	    $opt_dry_run || $RM $export_symbols
+	    cmds=$export_symbols_cmds
+	    save_ifs=$IFS; IFS='~'
+	    for cmd1 in $cmds; do
+	      IFS=$save_ifs
+	      # Take the normal branch if the nm_file_list_spec branch
+	      # doesn't work or if tool conversion is not needed.
+	      case $nm_file_list_spec~$to_tool_file_cmd in
+		*~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*)
+		  try_normal_branch=yes
+		  eval cmd=\"$cmd1\"
+		  func_len " $cmd"
+		  len=$func_len_result
+		  ;;
+		*)
+		  try_normal_branch=no
+		  ;;
+	      esac
+	      if test yes = "$try_normal_branch" \
+		 && { test "$len" -lt "$max_cmd_len" \
+		      || test "$max_cmd_len" -le -1; }
+	      then
+		func_show_eval "$cmd" 'exit $?'
+		skipped_export=false
+	      elif test -n "$nm_file_list_spec"; then
+		func_basename "$output"
+		output_la=$func_basename_result
+		save_libobjs=$libobjs
+		save_output=$output
+		output=$output_objdir/$output_la.nm
+		func_to_tool_file "$output"
+		libobjs=$nm_file_list_spec$func_to_tool_file_result
+		func_append delfiles " $output"
+		func_verbose "creating $NM input file list: $output"
+		for obj in $save_libobjs; do
+		  func_to_tool_file "$obj"
+		  $ECHO "$func_to_tool_file_result"
+		done > "$output"
+		eval cmd=\"$cmd1\"
+		func_show_eval "$cmd" 'exit $?'
+		output=$save_output
+		libobjs=$save_libobjs
+		skipped_export=false
+	      else
+		# The command line is too long to execute in one step.
+		func_verbose "using reloadable object file for export list..."
+		skipped_export=:
+		# Break out early, otherwise skipped_export may be
+		# set to false by a later but shorter cmd.
+		break
+	      fi
+	    done
+	    IFS=$save_ifs
+	    if test -n "$export_symbols_regex" && test : != "$skipped_export"; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+	fi
+
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  tmp_export_symbols=$export_symbols
+	  test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols
+	  $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+	fi
+
+	if test : != "$skipped_export" && test -n "$orig_export_symbols"; then
+	  # The given exports_symbols file has to be filtered, so filter it.
+	  func_verbose "filter symbol list for '$libname.la' to tag DATA exports"
+	  # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	  # 's' commands, which not all seds can handle. GNU sed should be fine
+	  # though. Also, the filter scales superlinearly with the number of
+	  # global variables. join(1) would be nice here, but unfortunately
+	  # isn't a blessed tool.
+	  $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	  func_append delfiles " $export_symbols $output_objdir/$libname.filter"
+	  export_symbols=$output_objdir/$libname.def
+	  $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	fi
+
+	tmp_deplibs=
+	for test_deplib in $deplibs; do
+	  case " $convenience " in
+	  *" $test_deplib "*) ;;
+	  *)
+	    func_append tmp_deplibs " $test_deplib"
+	    ;;
+	  esac
+	done
+	deplibs=$tmp_deplibs
+
+	if test -n "$convenience"; then
+	  if test -n "$whole_archive_flag_spec" &&
+	    test yes = "$compiler_needs_object" &&
+	    test -z "$libobjs"; then
+	    # extract the archives, so we have objects to list.
+	    # TODO: could optimize this to just extract one archive.
+	    whole_archive_flag_spec=
+	  fi
+	  if test -n "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  else
+	    gentop=$output_objdir/${outputname}x
+	    func_append generated " $gentop"
+
+	    func_extract_archives $gentop $convenience
+	    func_append libobjs " $func_extract_archives_result"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	fi
+
+	if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then
+	  eval flag=\"$thread_safe_flag_spec\"
+	  func_append linker_flags " $flag"
+	fi
+
+	# Make a backup of the uninstalled library when relinking
+	if test relink = "$opt_mode"; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
+	fi
+
+	# Do each of the archive commands.
+	if test yes = "$module" && test -n "$module_cmds"; then
+	  if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	    eval test_cmds=\"$module_expsym_cmds\"
+	    cmds=$module_expsym_cmds
+	  else
+	    eval test_cmds=\"$module_cmds\"
+	    cmds=$module_cmds
+	  fi
+	else
+	  if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	    eval test_cmds=\"$archive_expsym_cmds\"
+	    cmds=$archive_expsym_cmds
+	  else
+	    eval test_cmds=\"$archive_cmds\"
+	    cmds=$archive_cmds
+	  fi
+	fi
+
+	if test : != "$skipped_export" &&
+	   func_len " $test_cmds" &&
+	   len=$func_len_result &&
+	   test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  :
+	else
+	  # The command line is too long to link in one step, link piecewise
+	  # or, if using GNU ld and skipped_export is not :, use a linker
+	  # script.
+
+	  # Save the value of $output and $libobjs because we want to
+	  # use them later.  If we have whole_archive_flag_spec, we
+	  # want to use save_libobjs as it was before
+	  # whole_archive_flag_spec was expanded, because we can't
+	  # assume the linker understands whole_archive_flag_spec.
+	  # This may have to be revisited, in case too many
+	  # convenience libraries get linked in and end up exceeding
+	  # the spec.
+	  if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	  fi
+	  save_output=$output
+	  func_basename "$output"
+	  output_la=$func_basename_result
+
+	  # Clear the reloadable object creation command queue and
+	  # initialize k to one.
+	  test_cmds=
+	  concat_cmds=
+	  objlist=
+	  last_robj=
+	  k=1
+
+	  if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then
+	    output=$output_objdir/$output_la.lnkscript
+	    func_verbose "creating GNU ld script: $output"
+	    echo 'INPUT (' > $output
+	    for obj in $save_libobjs
+	    do
+	      func_to_tool_file "$obj"
+	      $ECHO "$func_to_tool_file_result" >> $output
+	    done
+	    echo ')' >> $output
+	    func_append delfiles " $output"
+	    func_to_tool_file "$output"
+	    output=$func_to_tool_file_result
+	  elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then
+	    output=$output_objdir/$output_la.lnk
+	    func_verbose "creating linker input file list: $output"
+	    : > $output
+	    set x $save_libobjs
+	    shift
+	    firstobj=
+	    if test yes = "$compiler_needs_object"; then
+	      firstobj="$1 "
+	      shift
+	    fi
+	    for obj
+	    do
+	      func_to_tool_file "$obj"
+	      $ECHO "$func_to_tool_file_result" >> $output
+	    done
+	    func_append delfiles " $output"
+	    func_to_tool_file "$output"
+	    output=$firstobj\"$file_list_spec$func_to_tool_file_result\"
+	  else
+	    if test -n "$save_libobjs"; then
+	      func_verbose "creating reloadable object files..."
+	      output=$output_objdir/$output_la-$k.$objext
+	      eval test_cmds=\"$reload_cmds\"
+	      func_len " $test_cmds"
+	      len0=$func_len_result
+	      len=$len0
+
+	      # Loop over the list of objects to be linked.
+	      for obj in $save_libobjs
+	      do
+		func_len " $obj"
+		func_arith $len + $func_len_result
+		len=$func_arith_result
+		if test -z "$objlist" ||
+		   test "$len" -lt "$max_cmd_len"; then
+		  func_append objlist " $obj"
+		else
+		  # The command $test_cmds is almost too long, add a
+		  # command to the queue.
+		  if test 1 -eq "$k"; then
+		    # The first file doesn't have a previous command to add.
+		    reload_objs=$objlist
+		    eval concat_cmds=\"$reload_cmds\"
+		  else
+		    # All subsequent reloadable object files will link in
+		    # the last one created.
+		    reload_objs="$objlist $last_robj"
+		    eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\"
+		  fi
+		  last_robj=$output_objdir/$output_la-$k.$objext
+		  func_arith $k + 1
+		  k=$func_arith_result
+		  output=$output_objdir/$output_la-$k.$objext
+		  objlist=" $obj"
+		  func_len " $last_robj"
+		  func_arith $len0 + $func_len_result
+		  len=$func_arith_result
+		fi
+	      done
+	      # Handle the remaining objects by creating one last
+	      # reloadable object file.  All subsequent reloadable object
+	      # files will link in the last one created.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      reload_objs="$objlist $last_robj"
+	      eval concat_cmds=\"\$concat_cmds$reload_cmds\"
+	      if test -n "$last_robj"; then
+	        eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
+	      fi
+	      func_append delfiles " $output"
+
+	    else
+	      output=
+	    fi
+
+	    ${skipped_export-false} && {
+	      func_verbose "generating symbol list for '$libname.la'"
+	      export_symbols=$output_objdir/$libname.exp
+	      $opt_dry_run || $RM $export_symbols
+	      libobjs=$output
+	      # Append the command to create the export file.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
+	      if test -n "$last_robj"; then
+		eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
+	      fi
+	    }
+
+	    test -n "$save_libobjs" &&
+	      func_verbose "creating a temporary reloadable object file: $output"
+
+	    # Loop through the commands generated above and execute them.
+	    save_ifs=$IFS; IFS='~'
+	    for cmd in $concat_cmds; do
+	      IFS=$save_ifs
+	      $opt_quiet || {
+		  func_quote_arg expand,pretty "$cmd"
+		  eval "func_echo $func_quote_arg_result"
+	      }
+	      $opt_dry_run || eval "$cmd" || {
+		lt_exit=$?
+
+		# Restore the uninstalled library and exit
+		if test relink = "$opt_mode"; then
+		  ( cd "$output_objdir" && \
+		    $RM "${realname}T" && \
+		    $MV "${realname}U" "$realname" )
+		fi
+
+		exit $lt_exit
+	      }
+	    done
+	    IFS=$save_ifs
+
+	    if test -n "$export_symbols_regex" && ${skipped_export-false}; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+
+          ${skipped_export-false} && {
+	    if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	      tmp_export_symbols=$export_symbols
+	      test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols
+	      $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+	    fi
+
+	    if test -n "$orig_export_symbols"; then
+	      # The given exports_symbols file has to be filtered, so filter it.
+	      func_verbose "filter symbol list for '$libname.la' to tag DATA exports"
+	      # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	      # 's' commands, which not all seds can handle. GNU sed should be fine
+	      # though. Also, the filter scales superlinearly with the number of
+	      # global variables. join(1) would be nice here, but unfortunately
+	      # isn't a blessed tool.
+	      $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	      func_append delfiles " $export_symbols $output_objdir/$libname.filter"
+	      export_symbols=$output_objdir/$libname.def
+	      $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	    fi
+	  }
+
+	  libobjs=$output
+	  # Restore the value of output.
+	  output=$save_output
+
+	  if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	  # Expand the library linking commands again to reset the
+	  # value of $libobjs for piecewise linking.
+
+	  # Do each of the archive commands.
+	  if test yes = "$module" && test -n "$module_cmds"; then
+	    if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	      cmds=$module_expsym_cmds
+	    else
+	      cmds=$module_cmds
+	    fi
+	  else
+	    if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	      cmds=$archive_expsym_cmds
+	    else
+	      cmds=$archive_cmds
+	    fi
+	  fi
+	fi
+
+	if test -n "$delfiles"; then
+	  # Append the command to remove temporary files to $cmds.
+	  eval cmds=\"\$cmds~\$RM $delfiles\"
+	fi
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop=$output_objdir/${outputname}x
+	  func_append generated " $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  func_append libobjs " $func_extract_archives_result"
+	  test "X$libobjs" = "X " && libobjs=
+	fi
+
+	save_ifs=$IFS; IFS='~'
+	for cmd in $cmds; do
+	  IFS=$sp$nl
+	  eval cmd=\"$cmd\"
+	  IFS=$save_ifs
+	  $opt_quiet || {
+	    func_quote_arg expand,pretty "$cmd"
+	    eval "func_echo $func_quote_arg_result"
+	  }
+	  $opt_dry_run || eval "$cmd" || {
+	    lt_exit=$?
+
+	    # Restore the uninstalled library and exit
+	    if test relink = "$opt_mode"; then
+	      ( cd "$output_objdir" && \
+	        $RM "${realname}T" && \
+		$MV "${realname}U" "$realname" )
+	    fi
+
+	    exit $lt_exit
+	  }
+	done
+	IFS=$save_ifs
+
+	# Restore the uninstalled library and exit
+	if test relink = "$opt_mode"; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
+
+	  if test -n "$convenience"; then
+	    if test -z "$whole_archive_flag_spec"; then
+	      func_show_eval '${RM}r "$gentop"'
+	    fi
+	  fi
+
+	  exit $EXIT_SUCCESS
+	fi
+
+	# Create links to the real library.
+	for linkname in $linknames; do
+	  if test "$realname" != "$linkname"; then
+	    func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
+	  fi
+	done
+
+	# If -module or -export-dynamic was specified, set the dlname.
+	if test yes = "$module" || test yes = "$export_dynamic"; then
+	  # On all known operating systems, these are identical.
+	  dlname=$soname
+	fi
+      fi
+      ;;
+
+    obj)
+      if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
+	func_warning "'-dlopen' is ignored for objects"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "'-l' and '-L' are ignored for objects" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "'-rpath' is ignored for objects"
+
+      test -n "$xrpath" && \
+	func_warning "'-R' is ignored for objects"
+
+      test -n "$vinfo" && \
+	func_warning "'-version-info' is ignored for objects"
+
+      test -n "$release" && \
+	func_warning "'-release' is ignored for objects"
+
+      case $output in
+      *.lo)
+	test -n "$objs$old_deplibs" && \
+	  func_fatal_error "cannot build library object '$output' from non-libtool objects"
+
+	libobj=$output
+	func_lo2o "$libobj"
+	obj=$func_lo2o_result
+	;;
+      *)
+	libobj=
+	obj=$output
+	;;
+      esac
+
+      # Delete the old objects.
+      $opt_dry_run || $RM $obj $libobj
+
+      # Objects from convenience libraries.  This assumes
+      # single-version convenience libraries.  Whenever we create
+      # different ones for PIC/non-PIC, this we'll have to duplicate
+      # the extraction.
+      reload_conv_objs=
+      gentop=
+      # if reload_cmds runs $LD directly, get rid of -Wl from
+      # whole_archive_flag_spec and hope we can get by with turning comma
+      # into space.
+      case $reload_cmds in
+        *\$LD[\ \$]*) wl= ;;
+      esac
+      if test -n "$convenience"; then
+	if test -n "$whole_archive_flag_spec"; then
+	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+	  test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
+	  reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags
+	else
+	  gentop=$output_objdir/${obj}x
+	  func_append generated " $gentop"
+
+	  func_extract_archives $gentop $convenience
+	  reload_conv_objs="$reload_objs $func_extract_archives_result"
+	fi
+      fi
+
+      # If we're not building shared, we need to use non_pic_objs
+      test yes = "$build_libtool_libs" || libobjs=$non_pic_objects
+
+      # Create the old-style object.
+      reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs
+
+      output=$obj
+      func_execute_cmds "$reload_cmds" 'exit $?'
+
+      # Exit if we aren't doing a library object file.
+      if test -z "$libobj"; then
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      test yes = "$build_libtool_libs" || {
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	# Create an invalid libtool object if no PIC, so that we don't
+	# accidentally link it into a program.
+	# $show "echo timestamp > $libobj"
+	# $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
+	exit $EXIT_SUCCESS
+      }
+
+      if test -n "$pic_flag" || test default != "$pic_mode"; then
+	# Only do commands if we really have different PIC objects.
+	reload_objs="$libobjs $reload_conv_objs"
+	output=$libobj
+	func_execute_cmds "$reload_cmds" 'exit $?'
+      fi
+
+      if test -n "$gentop"; then
+	func_show_eval '${RM}r "$gentop"'
+      fi
+
+      exit $EXIT_SUCCESS
+      ;;
+
+    prog)
+      case $host in
+	*cygwin*) func_stripname '' '.exe' "$output"
+	          output=$func_stripname_result.exe;;
+      esac
+      test -n "$vinfo" && \
+	func_warning "'-version-info' is ignored for programs"
+
+      test -n "$release" && \
+	func_warning "'-release' is ignored for programs"
+
+      $preload \
+	&& test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \
+	&& func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support."
+
+      case $host in
+      *-*-rhapsody* | *-*-darwin1.[012])
+	# On Rhapsody replace the C library is the System framework
+	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'`
+	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'`
+	;;
+      esac
+
+      case $host in
+      *-*-darwin*)
+	# Don't allow lazy linking, it breaks C++ global constructors
+	# But is supposedly fixed on 10.4 or later (yay!).
+	if test CXX = "$tagname"; then
+	  case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
+	    10.[0123])
+	      func_append compile_command " $wl-bind_at_load"
+	      func_append finalize_command " $wl-bind_at_load"
+	    ;;
+	  esac
+	fi
+	# Time to change all our "foo.ltframework" stuff back to "-framework foo"
+	compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+	;;
+      esac
+
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $compile_deplibs " in
+	  *" -L$path/$objdir "*)
+	    func_append new_libs " -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $compile_deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) func_append new_libs " $deplib" ;;
+	  esac
+	  ;;
+	*) func_append new_libs " $deplib" ;;
+	esac
+      done
+      compile_deplibs=$new_libs
+
+
+      func_append compile_command " $compile_deplibs"
+      func_append finalize_command " $finalize_deplibs"
+
+      if test -n "$rpath$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	for libdir in $rpath $xrpath; do
+	  # This is the magic to use -rpath.
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append finalize_rpath " $libdir" ;;
+	  esac
+	done
+      fi
+
+      # Now hardcode the library paths
+      rpath=
+      hardcode_libdirs=
+      for libdir in $compile_rpath $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs=$libdir
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    func_append rpath " $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append perm_rpath " $libdir" ;;
+	  esac
+	fi
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+	  testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$libdir:"*) ;;
+	  ::) dllsearchpath=$libdir;;
+	  *) func_append dllsearchpath ":$libdir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  ::) dllsearchpath=$testbindir;;
+	  *) func_append dllsearchpath ":$testbindir";;
+	  esac
+	  ;;
+	esac
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir=$hardcode_libdirs
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      compile_rpath=$rpath
+
+      rpath=
+      hardcode_libdirs=
+      for libdir in $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs=$libdir
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    func_append rpath " $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$finalize_perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) func_append finalize_perm_rpath " $libdir" ;;
+	  esac
+	fi
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir=$hardcode_libdirs
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      finalize_rpath=$rpath
+
+      if test -n "$libobjs" && test yes = "$build_old_libs"; then
+	# Transform all the library objects into standard objects.
+	compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+	finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+      fi
+
+      func_generate_dlsyms "$outputname" "@PROGRAM@" false
+
+      # template prelinking step
+      if test -n "$prelink_cmds"; then
+	func_execute_cmds "$prelink_cmds" 'exit $?'
+      fi
+
+      wrappers_required=:
+      case $host in
+      *cegcc* | *mingw32ce*)
+        # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway.
+        wrappers_required=false
+        ;;
+      *cygwin* | *mingw* )
+        test yes = "$build_libtool_libs" || wrappers_required=false
+        ;;
+      *)
+        if test no = "$need_relink" || test yes != "$build_libtool_libs"; then
+          wrappers_required=false
+        fi
+        ;;
+      esac
+      $wrappers_required || {
+	# Replace the output file specification.
+	compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+	link_command=$compile_command$compile_rpath
+
+	# We have no uninstalled library dependencies, so finalize right now.
+	exit_status=0
+	func_show_eval "$link_command" 'exit_status=$?'
+
+	if test -n "$postlink_cmds"; then
+	  func_to_tool_file "$output"
+	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	  func_execute_cmds "$postlink_cmds" 'exit $?'
+	fi
+
+	# Delete the generated files.
+	if test -f "$output_objdir/${outputname}S.$objext"; then
+	  func_show_eval '$RM "$output_objdir/${outputname}S.$objext"'
+	fi
+
+	exit $exit_status
+      }
+
+      if test -n "$compile_shlibpath$finalize_shlibpath"; then
+	compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+      fi
+      if test -n "$finalize_shlibpath"; then
+	finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+      fi
+
+      compile_var=
+      finalize_var=
+      if test -n "$runpath_var"; then
+	if test -n "$perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $perm_rpath; do
+	    func_append rpath "$dir:"
+	  done
+	  compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+	if test -n "$finalize_perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $finalize_perm_rpath; do
+	    func_append rpath "$dir:"
+	  done
+	  finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+      fi
+
+      if test yes = "$no_install"; then
+	# We don't need to create a wrapper script.
+	link_command=$compile_var$compile_command$compile_rpath
+	# Replace the output file specification.
+	link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+	# Delete the old output file.
+	$opt_dry_run || $RM $output
+	# Link the executable and exit
+	func_show_eval "$link_command" 'exit $?'
+
+	if test -n "$postlink_cmds"; then
+	  func_to_tool_file "$output"
+	  postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	  func_execute_cmds "$postlink_cmds" 'exit $?'
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      case $hardcode_action,$fast_install in
+        relink,*)
+	  # Fast installation is not supported
+	  link_command=$compile_var$compile_command$compile_rpath
+	  relink_command=$finalize_var$finalize_command$finalize_rpath
+
+	  func_warning "this platform does not like uninstalled shared libraries"
+	  func_warning "'$output' will be relinked during installation"
+	  ;;
+        *,yes)
+	  link_command=$finalize_var$compile_command$finalize_rpath
+	  relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
+          ;;
+	*,no)
+	  link_command=$compile_var$compile_command$compile_rpath
+	  relink_command=$finalize_var$finalize_command$finalize_rpath
+          ;;
+	*,needless)
+	  link_command=$finalize_var$compile_command$finalize_rpath
+	  relink_command=
+          ;;
+      esac
+
+      # Replace the output file specification.
+      link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+      # Delete the old output files.
+      $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+      func_show_eval "$link_command" 'exit $?'
+
+      if test -n "$postlink_cmds"; then
+	func_to_tool_file "$output_objdir/$outputname"
+	postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+	func_execute_cmds "$postlink_cmds" 'exit $?'
+      fi
+
+      # Now create the wrapper script.
+      func_verbose "creating $output"
+
+      # Quote the relink command for shipping.
+      if test -n "$relink_command"; then
+	# Preserve any variables that may affect compiler behavior
+	for var in $variables_saved_for_relink; do
+	  if eval test -z \"\${$var+set}\"; then
+	    relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	  elif eval var_value=\$$var; test -z "$var_value"; then
+	    relink_command="$var=; export $var; $relink_command"
+	  else
+	    func_quote_arg pretty "$var_value"
+	    relink_command="$var=$func_quote_arg_result; export $var; $relink_command"
+	  fi
+	done
+	func_quote eval cd "`pwd`"
+	func_quote_arg pretty,unquoted "($func_quote_result; $relink_command)"
+	relink_command=$func_quote_arg_unquoted_result
+      fi
+
+      # Only actually do things if not in dry run mode.
+      $opt_dry_run || {
+	# win32 will think the script is a binary if it has
+	# a .exe suffix, so we strip it off here.
+	case $output in
+	  *.exe) func_stripname '' '.exe' "$output"
+	         output=$func_stripname_result ;;
+	esac
+	# test for cygwin because mv fails w/o .exe extensions
+	case $host in
+	  *cygwin*)
+	    exeext=.exe
+	    func_stripname '' '.exe' "$outputname"
+	    outputname=$func_stripname_result ;;
+	  *) exeext= ;;
+	esac
+	case $host in
+	  *cygwin* | *mingw* )
+	    func_dirname_and_basename "$output" "" "."
+	    output_name=$func_basename_result
+	    output_path=$func_dirname_result
+	    cwrappersource=$output_path/$objdir/lt-$output_name.c
+	    cwrapper=$output_path/$output_name.exe
+	    $RM $cwrappersource $cwrapper
+	    trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_cwrapperexe_src > $cwrappersource
+
+	    # The wrapper executable is built using the $host compiler,
+	    # because it contains $host paths and files. If cross-
+	    # compiling, it, like the target executable, must be
+	    # executed on the $host or under an emulation environment.
+	    $opt_dry_run || {
+	      $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
+	      $STRIP $cwrapper
+	    }
+
+	    # Now, create the wrapper script for func_source use:
+	    func_ltwrapper_scriptname $cwrapper
+	    $RM $func_ltwrapper_scriptname_result
+	    trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
+	    $opt_dry_run || {
+	      # note: this script will not be executed, so do not chmod.
+	      if test "x$build" = "x$host"; then
+		$cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
+	      else
+		func_emit_wrapper no > $func_ltwrapper_scriptname_result
+	      fi
+	    }
+	  ;;
+	  * )
+	    $RM $output
+	    trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_wrapper no > $output
+	    chmod +x $output
+	  ;;
+	esac
+      }
+      exit $EXIT_SUCCESS
+      ;;
+    esac
+
+    # See if we need to build an old-fashioned archive.
+    for oldlib in $oldlibs; do
+
+      case $build_libtool_libs in
+        convenience)
+	  oldobjs="$libobjs_save $symfileobj"
+	  addlibs=$convenience
+	  build_libtool_libs=no
+	  ;;
+	module)
+	  oldobjs=$libobjs_save
+	  addlibs=$old_convenience
+	  build_libtool_libs=no
+          ;;
+	*)
+	  oldobjs="$old_deplibs $non_pic_objects"
+	  $preload && test -f "$symfileobj" \
+	    && func_append oldobjs " $symfileobj"
+	  addlibs=$old_convenience
+	  ;;
+      esac
+
+      if test -n "$addlibs"; then
+	gentop=$output_objdir/${outputname}x
+	func_append generated " $gentop"
+
+	func_extract_archives $gentop $addlibs
+	func_append oldobjs " $func_extract_archives_result"
+      fi
+
+      # Do each command in the archive commands.
+      if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then
+	cmds=$old_archive_from_new_cmds
+      else
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop=$output_objdir/${outputname}x
+	  func_append generated " $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  func_append oldobjs " $func_extract_archives_result"
+	fi
+
+	# POSIX demands no paths to be encoded in archives.  We have
+	# to avoid creating archives with duplicate basenames if we
+	# might have to extract them afterwards, e.g., when creating a
+	# static archive out of a convenience library, or when linking
+	# the entirety of a libtool archive into another (currently
+	# not supported by libtool).
+	if (for obj in $oldobjs
+	    do
+	      func_basename "$obj"
+	      $ECHO "$func_basename_result"
+	    done | sort | sort -uc >/dev/null 2>&1); then
+	  :
+	else
+	  echo "copying selected object files to avoid basename conflicts..."
+	  gentop=$output_objdir/${outputname}x
+	  func_append generated " $gentop"
+	  func_mkdir_p "$gentop"
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  counter=1
+	  for obj in $save_oldobjs
+	  do
+	    func_basename "$obj"
+	    objbase=$func_basename_result
+	    case " $oldobjs " in
+	    " ") oldobjs=$obj ;;
+	    *[\ /]"$objbase "*)
+	      while :; do
+		# Make sure we don't pick an alternate name that also
+		# overlaps.
+		newobj=lt$counter-$objbase
+		func_arith $counter + 1
+		counter=$func_arith_result
+		case " $oldobjs " in
+		*[\ /]"$newobj "*) ;;
+		*) if test ! -f "$gentop/$newobj"; then break; fi ;;
+		esac
+	      done
+	      func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+	      func_append oldobjs " $gentop/$newobj"
+	      ;;
+	    *) func_append oldobjs " $obj" ;;
+	    esac
+	  done
+	fi
+	func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+	tool_oldlib=$func_to_tool_file_result
+	eval cmds=\"$old_archive_cmds\"
+
+	func_len " $cmds"
+	len=$func_len_result
+	if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  cmds=$old_archive_cmds
+	elif test -n "$archiver_list_spec"; then
+	  func_verbose "using command file archive linking..."
+	  for obj in $oldobjs
+	  do
+	    func_to_tool_file "$obj"
+	    $ECHO "$func_to_tool_file_result"
+	  done > $output_objdir/$libname.libcmd
+	  func_to_tool_file "$output_objdir/$libname.libcmd"
+	  oldobjs=" $archiver_list_spec$func_to_tool_file_result"
+	  cmds=$old_archive_cmds
+	else
+	  # the command line is too long to link in one step, link in parts
+	  func_verbose "using piecewise archive linking..."
+	  save_RANLIB=$RANLIB
+	  RANLIB=:
+	  objlist=
+	  concat_cmds=
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  # Is there a better way of finding the last object in the list?
+	  for obj in $save_oldobjs
+	  do
+	    last_oldobj=$obj
+	  done
+	  eval test_cmds=\"$old_archive_cmds\"
+	  func_len " $test_cmds"
+	  len0=$func_len_result
+	  len=$len0
+	  for obj in $save_oldobjs
+	  do
+	    func_len " $obj"
+	    func_arith $len + $func_len_result
+	    len=$func_arith_result
+	    func_append objlist " $obj"
+	    if test "$len" -lt "$max_cmd_len"; then
+	      :
+	    else
+	      # the above command should be used before it gets too long
+	      oldobjs=$objlist
+	      if test "$obj" = "$last_oldobj"; then
+		RANLIB=$save_RANLIB
+	      fi
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\$concat_cmds$old_archive_cmds\"
+	      objlist=
+	      len=$len0
+	    fi
+	  done
+	  RANLIB=$save_RANLIB
+	  oldobjs=$objlist
+	  if test -z "$oldobjs"; then
+	    eval cmds=\"\$concat_cmds\"
+	  else
+	    eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+	  fi
+	fi
+      fi
+      func_execute_cmds "$cmds" 'exit $?'
+    done
+
+    test -n "$generated" && \
+      func_show_eval "${RM}r$generated"
+
+    # Now create the libtool archive.
+    case $output in
+    *.la)
+      old_library=
+      test yes = "$build_old_libs" && old_library=$libname.$libext
+      func_verbose "creating $output"
+
+      # Preserve any variables that may affect compiler behavior
+      for var in $variables_saved_for_relink; do
+	if eval test -z \"\${$var+set}\"; then
+	  relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	elif eval var_value=\$$var; test -z "$var_value"; then
+	  relink_command="$var=; export $var; $relink_command"
+	else
+	  func_quote_arg pretty,unquoted "$var_value"
+	  relink_command="$var=$func_quote_arg_unquoted_result; export $var; $relink_command"
+	fi
+      done
+      # Quote the link command for shipping.
+      func_quote eval cd "`pwd`"
+      relink_command="($func_quote_result; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+      func_quote_arg pretty,unquoted "$relink_command"
+      relink_command=$func_quote_arg_unquoted_result
+      if test yes = "$hardcode_automatic"; then
+	relink_command=
+      fi
+
+      # Only create the output if not a dry run.
+      $opt_dry_run || {
+	for installed in no yes; do
+	  if test yes = "$installed"; then
+	    if test -z "$install_libdir"; then
+	      break
+	    fi
+	    output=$output_objdir/${outputname}i
+	    # Replace all uninstalled libtool libraries with the installed ones
+	    newdependency_libs=
+	    for deplib in $dependency_libs; do
+	      case $deplib in
+	      *.la)
+		func_basename "$deplib"
+		name=$func_basename_result
+		func_resolve_sysroot "$deplib"
+		eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
+		test -z "$libdir" && \
+		  func_fatal_error "'$deplib' is not a valid libtool archive"
+		func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      -L*)
+		func_stripname -L '' "$deplib"
+		func_replace_sysroot "$func_stripname_result"
+		func_append newdependency_libs " -L$func_replace_sysroot_result"
+		;;
+	      -R*)
+		func_stripname -R '' "$deplib"
+		func_replace_sysroot "$func_stripname_result"
+		func_append newdependency_libs " -R$func_replace_sysroot_result"
+		;;
+	      *) func_append newdependency_libs " $deplib" ;;
+	      esac
+	    done
+	    dependency_libs=$newdependency_libs
+	    newdlfiles=
+
+	    for lib in $dlfiles; do
+	      case $lib in
+	      *.la)
+	        func_basename "$lib"
+		name=$func_basename_result
+		eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "'$lib' is not a valid libtool archive"
+		func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      *) func_append newdlfiles " $lib" ;;
+	      esac
+	    done
+	    dlfiles=$newdlfiles
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+	      *.la)
+		# Only pass preopened files to the pseudo-archive (for
+		# eventual linking with the app. that links it) if we
+		# didn't already link the preopened objects directly into
+		# the library:
+		func_basename "$lib"
+		name=$func_basename_result
+		eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "'$lib' is not a valid libtool archive"
+		func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name"
+		;;
+	      esac
+	    done
+	    dlprefiles=$newdlprefiles
+	  else
+	    newdlfiles=
+	    for lib in $dlfiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      func_append newdlfiles " $abs"
+	    done
+	    dlfiles=$newdlfiles
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      func_append newdlprefiles " $abs"
+	    done
+	    dlprefiles=$newdlprefiles
+	  fi
+	  $RM $output
+	  # place dlname in correct position for cygwin
+	  # In fact, it would be nice if we could use this code for all target
+	  # systems that can't hard-code library paths into their executables
+	  # and that have no shared library path variable independent of PATH,
+	  # but it turns out we can't easily determine that from inspecting
+	  # libtool variables, so we have to hard-code the OSs to which it
+	  # applies here; at the moment, that means platforms that use the PE
+	  # object format with DLL files.  See the long comment at the top of
+	  # tests/bindir.at for full details.
+	  tdlname=$dlname
+	  case $host,$output,$installed,$module,$dlname in
+	    *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll)
+	      # If a -bindir argument was supplied, place the dll there.
+	      if test -n "$bindir"; then
+		func_relative_path "$install_libdir" "$bindir"
+		tdlname=$func_relative_path_result/$dlname
+	      else
+		# Otherwise fall back on heuristic.
+		tdlname=../bin/$dlname
+	      fi
+	      ;;
+	  esac
+	  $ECHO > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Linker flags that cannot go in dependency_libs.
+inherited_linker_flags='$new_inherited_linker_flags'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Names of additional weak libraries provided by this library
+weak_library_names='$weak_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+	  if test no,yes = "$installed,$need_relink"; then
+	    $ECHO >> $output "\
+relink_command=\"$relink_command\""
+	  fi
+	done
+      }
+
+      # Do a symbolic link so that the libtool archive can be found in
+      # LD_LIBRARY_PATH before the program is installed.
+      func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?'
+      ;;
+    esac
+    exit $EXIT_SUCCESS
+}
+
+if test link = "$opt_mode" || test relink = "$opt_mode"; then
+  func_mode_link ${1+"$@"}
+fi
+
+
+# func_mode_uninstall arg...
+func_mode_uninstall ()
+{
+    $debug_cmd
+
+    RM=$nonopt
+    files=
+    rmforce=false
+    exit_status=0
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic=$magic
+
+    for arg
+    do
+      case $arg in
+      -f) func_append RM " $arg"; rmforce=: ;;
+      -*) func_append RM " $arg" ;;
+      *) func_append files " $arg" ;;
+      esac
+    done
+
+    test -z "$RM" && \
+      func_fatal_help "you must specify an RM program"
+
+    rmdirs=
+
+    for file in $files; do
+      func_dirname "$file" "" "."
+      dir=$func_dirname_result
+      if test . = "$dir"; then
+	odir=$objdir
+      else
+	odir=$dir/$objdir
+      fi
+      func_basename "$file"
+      name=$func_basename_result
+      test uninstall = "$opt_mode" && odir=$dir
+
+      # Remember odir for removal later, being careful to avoid duplicates
+      if test clean = "$opt_mode"; then
+	case " $rmdirs " in
+	  *" $odir "*) ;;
+	  *) func_append rmdirs " $odir" ;;
+	esac
+      fi
+
+      # Don't error if the file doesn't exist and rm -f was used.
+      if { test -L "$file"; } >/dev/null 2>&1 ||
+	 { test -h "$file"; } >/dev/null 2>&1 ||
+	 test -f "$file"; then
+	:
+      elif test -d "$file"; then
+	exit_status=1
+	continue
+      elif $rmforce; then
+	continue
+      fi
+
+      rmfiles=$file
+
+      case $name in
+      *.la)
+	# Possibly a libtool archive, so verify it.
+	if func_lalib_p "$file"; then
+	  func_source $dir/$name
+
+	  # Delete the libtool libraries and symlinks.
+	  for n in $library_names; do
+	    func_append rmfiles " $odir/$n"
+	  done
+	  test -n "$old_library" && func_append rmfiles " $odir/$old_library"
+
+	  case $opt_mode in
+	  clean)
+	    case " $library_names " in
+	    *" $dlname "*) ;;
+	    *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;;
+	    esac
+	    test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i"
+	    ;;
+	  uninstall)
+	    if test -n "$library_names"; then
+	      # Do each command in the postuninstall commands.
+	      func_execute_cmds "$postuninstall_cmds" '$rmforce || exit_status=1'
+	    fi
+
+	    if test -n "$old_library"; then
+	      # Do each command in the old_postuninstall commands.
+	      func_execute_cmds "$old_postuninstall_cmds" '$rmforce || exit_status=1'
+	    fi
+	    # FIXME: should reinstall the best remaining shared library.
+	    ;;
+	  esac
+	fi
+	;;
+
+      *.lo)
+	# Possibly a libtool object, so verify it.
+	if func_lalib_p "$file"; then
+
+	  # Read the .lo file
+	  func_source $dir/$name
+
+	  # Add PIC object to the list of files to remove.
+	  if test -n "$pic_object" && test none != "$pic_object"; then
+	    func_append rmfiles " $dir/$pic_object"
+	  fi
+
+	  # Add non-PIC object to the list of files to remove.
+	  if test -n "$non_pic_object" && test none != "$non_pic_object"; then
+	    func_append rmfiles " $dir/$non_pic_object"
+	  fi
+	fi
+	;;
+
+      *)
+	if test clean = "$opt_mode"; then
+	  noexename=$name
+	  case $file in
+	  *.exe)
+	    func_stripname '' '.exe' "$file"
+	    file=$func_stripname_result
+	    func_stripname '' '.exe' "$name"
+	    noexename=$func_stripname_result
+	    # $file with .exe has already been added to rmfiles,
+	    # add $file without .exe
+	    func_append rmfiles " $file"
+	    ;;
+	  esac
+	  # Do a test to see if this is a libtool program.
+	  if func_ltwrapper_p "$file"; then
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      relink_command=
+	      func_source $func_ltwrapper_scriptname_result
+	      func_append rmfiles " $func_ltwrapper_scriptname_result"
+	    else
+	      relink_command=
+	      func_source $dir/$noexename
+	    fi
+
+	    # note $name still contains .exe if it was in $file originally
+	    # as does the version of $file that was added into $rmfiles
+	    func_append rmfiles " $odir/$name $odir/${name}S.$objext"
+	    if test yes = "$fast_install" && test -n "$relink_command"; then
+	      func_append rmfiles " $odir/lt-$name"
+	    fi
+	    if test "X$noexename" != "X$name"; then
+	      func_append rmfiles " $odir/lt-$noexename.c"
+	    fi
+	  fi
+	fi
+	;;
+      esac
+      func_show_eval "$RM $rmfiles" 'exit_status=1'
+    done
+
+    # Try to remove the $objdir's in the directories where we deleted files
+    for dir in $rmdirs; do
+      if test -d "$dir"; then
+	func_show_eval "rmdir $dir >/dev/null 2>&1"
+      fi
+    done
+
+    exit $exit_status
+}
+
+if test uninstall = "$opt_mode" || test clean = "$opt_mode"; then
+  func_mode_uninstall ${1+"$@"}
+fi
+
+test -z "$opt_mode" && {
+  help=$generic_help
+  func_fatal_help "you must specify a MODE"
+}
+
+test -z "$exec_cmd" && \
+  func_fatal_help "invalid operation mode '$opt_mode'"
+
+if test -n "$exec_cmd"; then
+  eval exec "$exec_cmd"
+  exit $EXIT_FAILURE
+fi
+
+exit $exit_status
+
+
+# The TAGs below are defined such that we never get into a situation
+# where we disable both kinds of libraries.  Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them.  This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration.  But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+build_libtool_libs=no
+build_old_libs=yes
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
diff --git a/missing b/missing
new file mode 100755
index 0000000..1fe1611
--- /dev/null
+++ b/missing
@@ -0,0 +1,215 @@
+#! /bin/sh
+# Common wrapper for a few potentially missing GNU programs.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+  echo 1>&2 "Try '$0 --help' for more information"
+  exit 1
+fi
+
+case $1 in
+
+  --is-lightweight)
+    # Used by our autoconf macros to check whether the available missing
+    # script is modern enough.
+    exit 0
+    ;;
+
+  --run)
+    # Back-compat with the calling convention used by older automake.
+    shift
+    ;;
+
+  -h|--h|--he|--hel|--help)
+    echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
+to PROGRAM being missing or too old.
+
+Options:
+  -h, --help      display this help and exit
+  -v, --version   output version information and exit
+
+Supported PROGRAM values:
+  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
+  bison     yacc      flex         lex       help2man
+
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
+
+Send bug reports to <bug-automake@gnu.org>."
+    exit $?
+    ;;
+
+  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
+    ;;
+
+  -*)
+    echo 1>&2 "$0: unknown '$1' option"
+    echo 1>&2 "Try '$0 --help' for more information"
+    exit 1
+    ;;
+
+esac
+
+# Run the given program, remember its exit status.
+"$@"; st=$?
+
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch.  This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+  msg="probably too old"
+elif test $st -eq 127; then
+  # Program was missing.
+  msg="missing on your system"
+else
+  # Program was found and executed, but failed.  Give up.
+  exit $st
+fi
+
+perl_URL=https://www.perl.org/
+flex_URL=https://github.com/westes/flex
+gnu_software_URL=https://www.gnu.org/software
+
+program_details ()
+{
+  case $1 in
+    aclocal|automake)
+      echo "The '$1' program is part of the GNU Automake package:"
+      echo "<$gnu_software_URL/automake>"
+      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/autoconf>"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+    autoconf|autom4te|autoheader)
+      echo "The '$1' program is part of the GNU Autoconf package:"
+      echo "<$gnu_software_URL/autoconf/>"
+      echo "It also requires GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+  esac
+}
+
+give_advice ()
+{
+  # Normalize program name to check for.
+  normalized_program=`echo "$1" | sed '
+    s/^gnu-//; t
+    s/^gnu//; t
+    s/^g//; t'`
+
+  printf '%s\n' "'$1' is $msg."
+
+  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  case $normalized_program in
+    autoconf*)
+      echo "You should only need it if you modified 'configure.ac',"
+      echo "or m4 files included by it."
+      program_details 'autoconf'
+      ;;
+    autoheader*)
+      echo "You should only need it if you modified 'acconfig.h' or"
+      echo "$configure_deps."
+      program_details 'autoheader'
+      ;;
+    automake*)
+      echo "You should only need it if you modified 'Makefile.am' or"
+      echo "$configure_deps."
+      program_details 'automake'
+      ;;
+    aclocal*)
+      echo "You should only need it if you modified 'acinclude.m4' or"
+      echo "$configure_deps."
+      program_details 'aclocal'
+      ;;
+   autom4te*)
+      echo "You might have modified some maintainer files that require"
+      echo "the 'autom4te' program to be rebuilt."
+      program_details 'autom4te'
+      ;;
+    bison*|yacc*)
+      echo "You should only need it if you modified a '.y' file."
+      echo "You may want to install the GNU Bison package:"
+      echo "<$gnu_software_URL/bison/>"
+      ;;
+    lex*|flex*)
+      echo "You should only need it if you modified a '.l' file."
+      echo "You may want to install the Fast Lexical Analyzer package:"
+      echo "<$flex_URL>"
+      ;;
+    help2man*)
+      echo "You should only need it if you modified a dependency" \
+           "of a man page."
+      echo "You may want to install the GNU Help2man package:"
+      echo "<$gnu_software_URL/help2man/>"
+    ;;
+    makeinfo*)
+      echo "You should only need it if you modified a '.texi' file, or"
+      echo "any other file indirectly affecting the aspect of the manual."
+      echo "You might want to install the Texinfo package:"
+      echo "<$gnu_software_URL/texinfo/>"
+      echo "The spurious makeinfo call might also be the consequence of"
+      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
+      echo "want to install GNU make:"
+      echo "<$gnu_software_URL/make/>"
+      ;;
+    *)
+      echo "You might have modified some files without having the proper"
+      echo "tools for further handling them.  Check the 'README' file, it"
+      echo "often tells you about the needed prerequisites for installing"
+      echo "this package.  You may also peek at any GNU archive site, in"
+      echo "case some other package contains this missing '$1' program."
+      ;;
+  esac
+}
+
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+                       -e '2,$s/^/         /' >&2
+
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
+
+# Local variables:
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/nfs.conf b/nfs.conf
new file mode 100644
index 0000000..323f072
--- /dev/null
+++ b/nfs.conf
@@ -0,0 +1,101 @@
+#
+# This is a general configuration for the
+# NFS daemons and tools
+#
+[general]
+# pipefs-directory=/var/lib/nfs/rpc_pipefs
+#
+[nfsrahead]
+# nfs=15000
+# nfs4=16000
+#
+[exports]
+# rootdir=/export
+#
+[exportfs]
+# debug=0
+#
+[gssd]
+# verbosity=0
+# rpc-verbosity=0
+# use-memcache=0
+# use-machine-creds=1
+# use-gss-proxy=0
+# avoid-dns=1
+# limit-to-legacy-enctypes=0
+# context-timeout=0
+# rpc-timeout=5
+# keytab-file=/etc/krb5.keytab
+# cred-cache-directory=
+# preferred-realm=
+# set-home=1
+# upcall-timeout=30
+# cancel-timed-out-upcalls=0
+#
+[lockd]
+# port=0
+# udp-port=0
+#
+[exportd]
+# debug="all|auth|call|general|parse"
+# manage-gids=n
+# state-directory-path=/var/lib/nfs
+# threads=1
+# cache-use-ipaddr=n
+# ttl=1800
+[mountd]
+# debug="all|auth|call|general|parse"
+# manage-gids=n
+# descriptors=0
+# port=0
+# threads=1
+# reverse-lookup=n
+# state-directory-path=/var/lib/nfs
+# ha-callout=
+# cache-use-ipaddr=n
+# ttl=1800
+#
+[nfsdcld]
+# debug=0
+# storagedir=/var/lib/nfs/nfsdcld
+#
+[nfsdcltrack]
+# debug=0
+# storagedir=/var/lib/nfs/nfsdcltrack
+#
+[nfsd]
+# debug=0
+# threads=8
+# host=
+# port=0
+# grace-time=90
+# lease-time=90
+# udp=n
+# tcp=y
+# vers3=y
+# vers4=y
+# vers4.0=y
+# vers4.1=y
+# vers4.2=y
+rdma=y
+rdma-port=20049
+
+[statd]
+# debug=0
+# port=0
+# outgoing-port=0
+# name=
+# state-directory-path=/var/lib/nfs/statd
+# ha-callout=
+# no-notify=0
+#
+[sm-notify]
+# debug=0
+# force=0
+# retry-time=900
+# outgoing-port=
+# outgoing-addr=
+# lift-grace=y
+#
+[svcgssd]
+# principal=
diff --git a/support/Makefile.am b/support/Makefile.am
new file mode 100644
index 0000000..07cfd87
--- /dev/null
+++ b/support/Makefile.am
@@ -0,0 +1,16 @@
+## Process this file with automake to produce Makefile.in
+
+OPTDIRS =
+
+if CONFIG_NFSV4
+OPTDIRS += nfsidmap
+endif
+
+if CONFIG_JUNCTION
+OPTDIRS += junction
+endif
+
+SUBDIRS = export include misc nfs nsm reexport $(OPTDIRS)
+
+MAINTAINERCLEANFILES = Makefile.in
+
diff --git a/support/Makefile.in b/support/Makefile.in
new file mode 100644
index 0000000..017242d
--- /dev/null
+++ b/support/Makefile.in
@@ -0,0 +1,716 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
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+      *\\[\ \	]*) \
+        bs=\\; \
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+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
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+  }; \
+  for flg in $$sane_makeflags; do \
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+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
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+  test $$has_opt = yes
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
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+POST_UNINSTALL = :
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+@CONFIG_NFSV4_TRUE@am__append_1 = nfsidmap
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+	install-exec-recursive install-html-recursive \
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+  $(RECURSIVE_CLEAN_TARGETS) \
+  $(am__extra_recursive_targets)
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+	distdir distdir-am
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
+# Read a list of newline-separated strings from the standard input,
+# and print each of them once, without duplicates.  Input order is
+# *not* preserved.
+am__uniquify_input = $(AWK) '\
+  BEGIN { nonempty = 0; } \
+  { items[$$0] = 1; nonempty = 1; } \
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+'
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+  list='$(am__tagged_files)'; \
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+DIST_SUBDIRS = export include misc nfs nsm reexport nfsidmap junction
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+	    echo "$(subdir)/$$i"; \
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diff --git a/support/export/Makefile.am b/support/export/Makefile.am
new file mode 100644
index 0000000..7338e1c
--- /dev/null
+++ b/support/export/Makefile.am
@@ -0,0 +1,52 @@
+## Process this file with automake to produce Makefile.in
+
+
+GENFILES_CLNT	= mount_clnt.c
+GENFILES_XDR	= mount_xdr.c
+GENFILES_H	= mount.h
+
+GENFILES	= $(GENFILES_CLNT) $(GENFILES_SVC) $(GENFILES_XDR) $(GENFILES_H)
+
+EXTRA_DIST	= mount.x
+
+noinst_LIBRARIES = libexport.a
+libexport_a_SOURCES = client.c export.c hostname.c \
+		      xtab.c mount_clnt.c mount_xdr.c \
+		      cache.c auth.c v4root.c fsloc.c \
+		      v4clients.c
+libexport_a_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) -I$(top_srcdir)/support/reexport
+
+BUILT_SOURCES 	= $(GENFILES)
+
+noinst_HEADERS = mount.h
+
+dist-hook:
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+	  rm ${distdir}/$$f; \
+	done
+
+if CONFIG_RPCGEN
+RPCGEN		= $(top_builddir)/tools/rpcgen/rpcgen
+$(RPCGEN):
+	make -C $(top_srcdir)/tools/rpcgen all
+else
+RPCGEN = @RPCGEN_PATH@
+endif
+
+$(GENFILES_CLNT): %_clnt.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
+
+$(GENFILES_XDR): %_xdr.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -i 0 -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+	rm -f $(top_builddir)/support/include/mount.h
+	$(LN_S) ../export/mount.h $(top_builddir)/support/include/mount.h
+
+MAINTAINERCLEANFILES = Makefile.in
+
+CLEANFILES = $(GENFILES) $(top_builddir)/support/include/mount.h
diff --git a/support/export/Makefile.in b/support/export/Makefile.in
new file mode 100644
index 0000000..6d8a25a
--- /dev/null
+++ b/support/export/Makefile.in
@@ -0,0 +1,934 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
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+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='fsloc.c' object='libexport_a-fsloc.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libexport_a_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libexport_a-fsloc.o `test -f 'fsloc.c' || echo '$(srcdir)/'`fsloc.c
+
+libexport_a-fsloc.obj: fsloc.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libexport_a_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libexport_a-fsloc.obj -MD -MP -MF $(DEPDIR)/libexport_a-fsloc.Tpo -c -o libexport_a-fsloc.obj `if test -f 'fsloc.c'; then $(CYGPATH_W) 'fsloc.c'; else $(CYGPATH_W) '$(srcdir)/fsloc.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libexport_a-fsloc.Tpo $(DEPDIR)/libexport_a-fsloc.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='fsloc.c' object='libexport_a-fsloc.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libexport_a_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libexport_a-fsloc.obj `if test -f 'fsloc.c'; then $(CYGPATH_W) 'fsloc.c'; else $(CYGPATH_W) '$(srcdir)/fsloc.c'; fi`
+
+libexport_a-v4clients.o: v4clients.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libexport_a_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libexport_a-v4clients.o -MD -MP -MF $(DEPDIR)/libexport_a-v4clients.Tpo -c -o libexport_a-v4clients.o `test -f 'v4clients.c' || echo '$(srcdir)/'`v4clients.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libexport_a-v4clients.Tpo $(DEPDIR)/libexport_a-v4clients.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='v4clients.c' object='libexport_a-v4clients.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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+
+libexport_a-v4clients.obj: v4clients.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libexport_a_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libexport_a-v4clients.obj -MD -MP -MF $(DEPDIR)/libexport_a-v4clients.Tpo -c -o libexport_a-v4clients.obj `if test -f 'v4clients.c'; then $(CYGPATH_W) 'v4clients.c'; else $(CYGPATH_W) '$(srcdir)/v4clients.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libexport_a-v4clients.Tpo $(DEPDIR)/libexport_a-v4clients.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='v4clients.c' object='libexport_a-v4clients.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
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+	      "$$@" $$unique; \
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+	      $$unique; \
+	  fi; \
+	fi
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+
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+	     $$unique
+
+GTAGS:
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+	  && $(am__cd) $(top_srcdir) \
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+
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
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+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
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+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	$(MAKE) $(AM_MAKEFLAGS) \
+	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
+	  dist-hook
+check-am: all-am
+check: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) check-am
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/libexport_a-auth.Po
+	-rm -f ./$(DEPDIR)/libexport_a-cache.Po
+	-rm -f ./$(DEPDIR)/libexport_a-client.Po
+	-rm -f ./$(DEPDIR)/libexport_a-export.Po
+	-rm -f ./$(DEPDIR)/libexport_a-fsloc.Po
+	-rm -f ./$(DEPDIR)/libexport_a-hostname.Po
+	-rm -f ./$(DEPDIR)/libexport_a-mount_clnt.Po
+	-rm -f ./$(DEPDIR)/libexport_a-mount_xdr.Po
+	-rm -f ./$(DEPDIR)/libexport_a-v4clients.Po
+	-rm -f ./$(DEPDIR)/libexport_a-v4root.Po
+	-rm -f ./$(DEPDIR)/libexport_a-xtab.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
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+
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+
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+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/libexport_a-auth.Po
+	-rm -f ./$(DEPDIR)/libexport_a-cache.Po
+	-rm -f ./$(DEPDIR)/libexport_a-client.Po
+	-rm -f ./$(DEPDIR)/libexport_a-export.Po
+	-rm -f ./$(DEPDIR)/libexport_a-fsloc.Po
+	-rm -f ./$(DEPDIR)/libexport_a-hostname.Po
+	-rm -f ./$(DEPDIR)/libexport_a-mount_clnt.Po
+	-rm -f ./$(DEPDIR)/libexport_a-mount_xdr.Po
+	-rm -f ./$(DEPDIR)/libexport_a-v4clients.Po
+	-rm -f ./$(DEPDIR)/libexport_a-v4root.Po
+	-rm -f ./$(DEPDIR)/libexport_a-xtab.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: all check install install-am install-exec install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLIBRARIES \
+	cscopelist-am ctags ctags-am dist-hook distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+dist-hook:
+	for f in $(GENFILES); do \
+	  rm ${distdir}/$$f; \
+	done
+@CONFIG_RPCGEN_TRUE@$(RPCGEN):
+@CONFIG_RPCGEN_TRUE@	make -C $(top_srcdir)/tools/rpcgen all
+
+$(GENFILES_CLNT): %_clnt.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
+
+$(GENFILES_XDR): %_xdr.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -i 0 -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+	rm -f $(top_builddir)/support/include/mount.h
+	$(LN_S) ../export/mount.h $(top_builddir)/support/include/mount.h
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/export/auth.c b/support/export/auth.c
new file mode 100644
index 0000000..2d7960f
--- /dev/null
+++ b/support/export/auth.c
@@ -0,0 +1,320 @@
+/*
+ * utils/mountd/auth.c
+ *
+ * Authentication procedures for mountd.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "sockaddr.h"
+#include "misc.h"
+#include "nfslib.h"
+#include "exportfs.h"
+#include "export.h"
+#include "v4root.h"
+
+enum auth_error
+{
+  bad_path,
+  unknown_host,
+  no_entry,
+  not_exported,
+  illegal_port,
+  success
+};
+
+static void		auth_fixpath(char *path);
+static nfs_export my_exp;
+static nfs_client my_client;
+
+extern int use_ipaddr;
+
+/*
+void
+auth_init(void)
+{
+	auth_reload();
+}
+*/
+
+/*
+ * A client can match many different netgroups and it's tough to know
+ * beforehand whether it will. If the concatenated string of netgroup
+ * m_hostnames is >512 bytes, then enable the "use_ipaddr" mode. This
+ * makes mountd change how it matches a client ip address when a mount
+ * request comes in. It's more efficient at handling netgroups at the
+ * expense of larger kernel caches.
+ */
+static void
+check_useipaddr(void)
+{
+	nfs_client *clp;
+	int old_use_ipaddr = use_ipaddr;
+	unsigned int len = 0;
+
+	if (use_ipaddr > 1)
+		/* fixed - don't check */
+		return;
+
+	/* add length of m_hostname + 1 for the comma */
+	for (clp = clientlist[MCL_NETGROUP]; clp; clp = clp->m_next)
+		len += (strlen(clp->m_hostname) + 1);
+
+	if (len > (NFSCLNT_IDMAX / 2))
+		use_ipaddr = 1;
+	else
+		use_ipaddr = 0;
+
+	if (use_ipaddr != old_use_ipaddr)
+		cache_flush();
+}
+
+unsigned int
+auth_reload(void)
+{
+	struct stat		stb;
+	static ino_t		last_inode;
+	static int		last_fd = -1;
+	static unsigned int	counter;
+	int			fd;
+
+	if ((fd = open(etab.statefn, O_RDONLY)) < 0) {
+		xlog(L_FATAL, "couldn't open %s", etab.statefn);
+	} else if (fstat(fd, &stb) < 0) {
+		xlog(L_FATAL, "couldn't stat %s", etab.statefn);
+		close(fd);
+	} else if (last_fd != -1 && stb.st_ino == last_inode) {
+		/* We opened the etab file before, and its inode
+		 * number hasn't changed since then.
+		 */
+		close(fd);
+		return counter;
+	} else {
+		/* Need to process entries from the etab file.  Close
+		 * the file descriptor from the previous open (last_fd),
+		 * and keep the current file descriptor open to prevent
+		 * the file system reusing the current inode number
+		 * (last_inode).
+		 */
+		if (last_fd != -1)
+			close(last_fd);
+		last_fd = fd;
+		last_inode = stb.st_ino;
+	}
+
+	export_freeall();
+	memset(&my_client, 0, sizeof(my_client));
+	xtab_export_read();
+	check_useipaddr();
+	v4root_set();
+
+	++counter;
+
+	return counter;
+}
+
+static char *get_client_ipaddr_name(const struct sockaddr *caller)
+{
+	char buf[INET6_ADDRSTRLEN + 1];
+
+	buf[0] = '$';
+	host_ntop(caller, buf + 1, sizeof(buf) - 1);
+	return strdup(buf);
+}
+
+static char *
+get_client_hostname(const struct sockaddr *caller, struct addrinfo *ai,
+		enum auth_error *error)
+{
+	char *n;
+
+	if (use_ipaddr)
+		return get_client_ipaddr_name(caller);
+	n = client_compose(ai);
+	*error = unknown_host;
+	if (!n)
+		return NULL;
+	if (*n)
+		return n;
+	free(n);
+	return strdup("DEFAULT");
+}
+
+bool ipaddr_client_matches(nfs_export *exp, struct addrinfo *ai)
+{
+	return client_check(exp->m_client, ai);
+}
+
+bool namelist_client_matches(nfs_export *exp, char *dom)
+{
+	return client_member(dom, exp->m_client->m_hostname);
+}
+
+bool client_matches(nfs_export *exp, char *dom, struct addrinfo *ai)
+{
+	if (is_ipaddr_client(dom))
+		return ipaddr_client_matches(exp, ai);
+	return namelist_client_matches(exp, dom);
+}
+
+/* return static nfs_export with details filled in */
+static nfs_export *
+auth_authenticate_newcache(const struct sockaddr *caller,
+			   const char *path, struct addrinfo *ai,
+			   enum auth_error *error)
+{
+	nfs_export *exp;
+	int i;
+
+	free(my_client.m_hostname);
+
+	my_client.m_hostname = get_client_hostname(caller, ai, error);
+	if (my_client.m_hostname == NULL)
+		return NULL;
+
+	my_client.m_naddr = 1;
+	set_addrlist(&my_client, 0, caller);
+	my_exp.m_client = &my_client;
+
+	exp = NULL;
+	for (i = 0; !exp && i < MCL_MAXTYPES; i++)
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (strcmp(path, exp->m_export.e_path))
+				continue;
+			if (!client_matches(exp, my_client.m_hostname, ai))
+				continue;
+			if (exp->m_export.e_flags & NFSEXP_V4ROOT)
+				/* not acceptable for v[23] export */
+				continue;
+			break;
+		}
+	*error = not_exported;
+	if (!exp)
+		return NULL;
+
+	my_exp.m_export = exp->m_export;
+	exp = &my_exp;
+	return exp;
+}
+
+static nfs_export *
+auth_authenticate_internal(const struct sockaddr *caller, const char *path,
+		struct addrinfo *ai, enum auth_error *error)
+{
+	nfs_export *exp;
+
+	exp = auth_authenticate_newcache(caller, path, ai, error);
+	if (!exp)
+		return NULL;
+	if (!(exp->m_export.e_flags & NFSEXP_INSECURE_PORT) &&
+		     nfs_get_port(caller) >= IPPORT_RESERVED) {
+		*error = illegal_port;
+		return NULL;
+	}
+	*error = success;
+
+	return exp;
+}
+
+nfs_export *
+auth_authenticate(const char *what, const struct sockaddr *caller,
+		const char *path)
+{
+	nfs_export	*exp = NULL;
+	char		epath[MAXPATHLEN+1];
+	char		*p = NULL;
+	char		buf[INET6_ADDRSTRLEN];
+	struct addrinfo *ai = NULL;
+	enum auth_error	error = bad_path;
+
+	if (path[0] != '/') {
+		xlog(L_WARNING, "Bad path in %s request from %s: \"%s\"",
+			     what, host_ntop(caller, buf, sizeof(buf)), path);
+		return exp;
+	}
+
+	strncpy(epath, path, sizeof (epath) - 1);
+	epath[sizeof (epath) - 1] = '\0';
+	auth_fixpath(epath); /* strip duplicate '/' etc */
+
+	ai = client_resolve(caller);
+	if (ai == NULL)
+		return exp;
+
+	/* Try the longest matching exported pathname. */
+	while (1) {
+		exp = auth_authenticate_internal(caller, epath, ai, &error);
+		if (exp || (error != not_exported && error != no_entry))
+			break;
+		/* We have to treat the root, "/", specially. */
+		if (p == &epath[1]) break;
+		p = strrchr(epath, '/');
+		if (p == epath) p++;
+		*p = '\0';
+	}
+
+	host_ntop(caller, buf, sizeof(buf));
+	switch (error) {
+	case bad_path:
+		xlog(L_WARNING, "bad path in %s request from %s: \"%s\"",
+		     what, buf, path);
+		break;
+
+	case unknown_host:
+		xlog(L_WARNING, "refused %s request from %s for %s (%s): unmatched host",
+		     what, buf, path, epath);
+		break;
+
+	case no_entry:
+		xlog(L_WARNING, "refused %s request from %s for %s (%s): no export entry",
+		     what, buf, path, epath);
+		break;
+
+	case not_exported:
+		xlog(L_WARNING, "refused %s request from %s for %s (%s): not exported",
+		     what, buf, path, epath);
+		break;
+
+	case illegal_port:
+		xlog(L_WARNING, "refused %s request from %s for %s (%s): illegal port %u",
+		     what, buf, path, epath, nfs_get_port(caller));
+		break;
+
+	case success:
+		xlog(L_NOTICE, "authenticated %s request from %s:%u for %s (%s)",
+		     what, buf, nfs_get_port(caller), path, epath);
+		break;
+	default:
+		xlog(L_NOTICE, "%s request from %s:%u for %s (%s) gave %d",
+		     what, buf, nfs_get_port(caller), path, epath, error);
+	}
+
+	nfs_freeaddrinfo(ai);
+	return exp;
+}
+
+static void
+auth_fixpath(char *path)
+{
+	char	*sp, *cp;
+
+	for (sp = cp = path; *sp; sp++) {
+		if (*sp != '/' || sp[1] != '/')
+			*cp++ = *sp;
+	}
+	while (cp > path+1 && cp[-1] == '/')
+		cp--;
+	*cp = '\0';
+}
diff --git a/support/export/cache.c b/support/export/cache.c
new file mode 100644
index 0000000..6c0a44a
--- /dev/null
+++ b/support/export/cache.c
@@ -0,0 +1,1934 @@
+/*
+ * Handle communication with knfsd internal cache
+ *
+ * We open /proc/net/rpc/{auth.unix.ip,nfsd.export,nfsd.fh}/channel
+ * and listen for requests (using my_svc_run)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/sysmacros.h>
+#include <sys/types.h>
+#include <sys/select.h>
+#include <sys/stat.h>
+#include <sys/vfs.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <ctype.h>
+#include <pwd.h>
+#include <grp.h>
+#include <mntent.h>
+#include "misc.h"
+#include "nfsd_path.h"
+#include "nfslib.h"
+#include "exportfs.h"
+#include "export.h"
+#include "pseudoflavors.h"
+#include "xcommon.h"
+#include "reexport.h"
+
+#ifdef HAVE_JUNCTION_SUPPORT
+#include "fsloc.h"
+#endif
+
+#ifdef USE_BLKID
+#include "blkid/blkid.h"
+#endif
+
+enum nfsd_fsid {
+	FSID_DEV = 0,
+	FSID_NUM,
+	FSID_MAJOR_MINOR,
+	FSID_ENCODE_DEV,
+	FSID_UUID4_INUM,
+	FSID_UUID8,
+	FSID_UUID16,
+	FSID_UUID16_INUM,
+};
+
+#undef is_mountpoint
+static int is_mountpoint(const char *path)
+{
+	return check_is_mountpoint(path, nfsd_path_lstat);
+}
+
+static ssize_t cache_read(int fd, char *buf, size_t len)
+{
+	return nfsd_path_read(fd, buf, len);
+}
+
+static ssize_t cache_write(int fd, const char *buf, size_t len)
+{
+	return nfsd_path_write(fd, buf, len);
+}
+
+static bool path_lookup_error(int err)
+{
+	switch (err) {
+	case ELOOP:
+	case ENAMETOOLONG:
+	case ENOENT:
+	case ENOTDIR:
+	case EACCES:
+		return 1;
+	}
+	return 0;
+}
+
+/*
+ * Support routines for text-based upcalls.
+ * Fields are separated by spaces.
+ * Fields are either mangled to quote space tab newline slosh with slosh
+ * or a hexified with a leading \x
+ * Record is terminated with newline.
+ *
+ */
+
+#define INITIAL_MANAGED_GROUPS 100
+
+extern int use_ipaddr;
+
+static void auth_unix_ip(int f)
+{
+	/* requests are
+	 *  class IP-ADDR
+	 * Ignore if class != "nfsd"
+	 * Otherwise find domainname and write back:
+	 *
+	 *  "nfsd" IP-ADDR expiry domainname
+	 */
+	char class[20];
+	char ipaddr[INET6_ADDRSTRLEN + 1];
+	char *client = NULL;
+	struct addrinfo *ai = NULL;
+	struct addrinfo *tmp = NULL;
+	char buf[RPC_CHAN_BUF_SIZE], *bp;
+	int blen;
+
+	blen = read(f, buf, sizeof(buf));
+	if (blen <= 0 || buf[blen-1] != '\n') return;
+	buf[blen-1] = 0;
+
+	xlog(D_CALL, "auth_unix_ip: inbuf '%s'", buf);
+
+	bp = buf;
+
+	if (qword_get(&bp, class, 20) <= 0 ||
+	    strcmp(class, "nfsd") != 0)
+		return;
+
+	if (qword_get(&bp, ipaddr, sizeof(ipaddr) - 1) <= 0)
+		return;
+
+	tmp = host_pton(ipaddr);
+	if (tmp == NULL)
+		return;
+
+	auth_reload();
+
+	/* addr is a valid address, find the domain name... */
+	ai = client_resolve(tmp->ai_addr);
+	if (ai) {
+		client = client_compose(ai);
+		nfs_freeaddrinfo(ai);
+	}
+	if (!client)
+		xlog(D_AUTH, "failed authentication for IP %s", ipaddr);
+	else if	(!use_ipaddr)
+		xlog(D_AUTH, "successful authentication for IP %s as %s",
+		     ipaddr, *client ? client : "DEFAULT");
+	else
+		xlog(D_AUTH, "successful authentication for IP %s",
+			     ipaddr);
+
+	bp = buf; blen = sizeof(buf);
+	qword_add(&bp, &blen, "nfsd");
+	qword_add(&bp, &blen, ipaddr);
+	qword_adduint(&bp, &blen, time(0) + default_ttl);
+	if (use_ipaddr && client) {
+		memmove(ipaddr + 1, ipaddr, strlen(ipaddr) + 1);
+		ipaddr[0] = '$';
+		qword_add(&bp, &blen, ipaddr);
+	} else if (client)
+		qword_add(&bp, &blen, *client?client:"DEFAULT");
+	qword_addeol(&bp, &blen);
+	if (blen <= 0 || write(f, buf, bp - buf) != bp - buf)
+		xlog(L_ERROR, "auth_unix_ip: error writing reply");
+
+	xlog(D_CALL, "auth_unix_ip: client %p '%s'", client, client?client: "DEFAULT");
+
+	free(client);
+	nfs_freeaddrinfo(tmp);
+
+}
+
+static void auth_unix_gid(int f)
+{
+	/* Request are
+	 *  uid
+	 * reply is
+	 *  uid expiry count list of group ids
+	 */
+	uid_t uid;
+	struct passwd *pw;
+	static gid_t *groups = NULL;
+	static int groups_len = 0;
+	gid_t *more_groups;
+	int ngroups;
+	int rv, i;
+	char buf[RPC_CHAN_BUF_SIZE], *bp;
+	int blen;
+
+	if (groups_len == 0) {
+		groups = malloc(sizeof(gid_t) * INITIAL_MANAGED_GROUPS);
+		if (!groups)
+			return;
+
+		groups_len = INITIAL_MANAGED_GROUPS;
+	}
+
+	ngroups = groups_len;
+
+	blen = read(f, buf, sizeof(buf));
+	if (blen <= 0 || buf[blen-1] != '\n') return;
+	buf[blen-1] = 0;
+
+	bp = buf;
+	if (qword_get_uint(&bp, &uid) != 0)
+		return;
+
+	pw = getpwuid(uid);
+	if (!pw)
+		rv = -1;
+	else {
+		rv = getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
+		if (rv == -1 && ngroups >= groups_len) {
+			more_groups = realloc(groups, sizeof(gid_t)*ngroups);
+			if (!more_groups)
+				rv = -1;
+			else {
+				groups = more_groups;
+				groups_len = ngroups;
+				rv = getgrouplist(pw->pw_name, pw->pw_gid,
+						  groups, &ngroups);
+			}
+		}
+	}
+
+	bp = buf; blen = sizeof(buf);
+	qword_adduint(&bp, &blen, uid);
+	qword_adduint(&bp, &blen, time(0) + default_ttl);
+	if (rv >= 0) {
+		qword_adduint(&bp, &blen, ngroups);
+		for (i=0; i<ngroups; i++)
+			qword_adduint(&bp, &blen, groups[i]);
+	} else
+		qword_adduint(&bp, &blen, 0);
+	qword_addeol(&bp, &blen);
+	if (blen <= 0 || write(f, buf, bp - buf) != bp - buf)
+		xlog(L_ERROR, "auth_unix_gid: error writing reply");
+}
+
+static int match_crossmnt_fsidnum(uint32_t parsed_fsidnum, char *path)
+{
+	uint32_t fsidnum;
+
+	if (reexpdb_fsidnum_by_path(path, &fsidnum, 0) == 0)
+		return 0;
+
+	return fsidnum == parsed_fsidnum;
+}
+
+#ifdef USE_BLKID
+static const char *get_uuid_blkdev(char *path)
+{
+	/* We set *safe if we know that we need the
+	 * fsid from statfs too.
+	 */
+	static blkid_cache cache = NULL;
+	struct stat stb;
+	char *devname;
+	blkid_tag_iterate iter;
+	blkid_dev dev;
+	const char *type;
+	const char *val, *uuid = NULL;
+
+	if (cache == NULL)
+		blkid_get_cache(&cache, NULL);
+
+	if (nfsd_path_stat(path, &stb) != 0)
+		return NULL;
+	devname = blkid_devno_to_devname(stb.st_dev);
+	if (!devname)
+		return NULL;
+	dev = blkid_get_dev(cache, devname, BLKID_DEV_NORMAL);
+	free(devname);
+	if (!dev)
+		return NULL;
+	iter = blkid_tag_iterate_begin(dev);
+	if (!iter)
+		return NULL;
+	while (blkid_tag_next(iter, &type, &val) == 0) {
+		if (strcmp(type, "UUID") == 0)
+			uuid = val;
+		if (strcmp(type, "TYPE") == 0 &&
+		    strcmp(val, "btrfs") == 0) {
+			uuid = NULL;
+			break;
+		}
+	}
+	blkid_tag_iterate_end(iter);
+	return uuid;
+}
+#else
+#define get_uuid_blkdev(path) (NULL)
+#endif
+
+static int get_uuid(const char *val, size_t uuidlen, char *u)
+{
+	/* extract hex digits from uuidstr and compose a uuid
+	 * of the given length (max 16), xoring bytes to make
+	 * a smaller uuid.
+	 */
+	size_t i = 0;
+	
+	memset(u, 0, uuidlen);
+	for ( ; *val ; val++) {
+		int c = *val;
+		if (!isxdigit(c))
+			continue;
+		if (isalpha(c)) {
+			if (isupper(c))
+				c = c - 'A' + 10;
+			else
+				c = c - 'a' + 10;
+		} else
+			c = c - '0' + 0;
+		if ((i&1) == 0)
+			c <<= 4;
+		u[i/2] ^= (char)c;
+		i++;
+		if (i == uuidlen*2)
+			i = 0;
+	}
+	return 1;
+}
+
+
+/*
+ * Don't ask libblkid for these filesystems. Note that BTRF is ignored, because
+ * we generate the identifier from statfs->f_fsid. The rest are network or
+ * pseudo filesystems. (See <linux/magic.h> for the basic IDs.)
+ */
+static const unsigned long nonblkid_filesystems[] = {
+    0x2fc12fc1,    /* ZFS_SUPER_MAGIC */
+    0x9123683E,    /* BTRFS_SUPER_MAGIC */
+    0xFF534D42,    /* CIFS_MAGIC_NUMBER */
+    0x1373,        /* DEVFS_SUPER_MAGIC */
+    0x73757245,    /* CODA_SUPER_MAGIC */
+    0x564C,        /* NCP_SUPER_MAGIC */
+    0x6969,        /* NFS_SUPER_MAGIC */
+    0x9FA0,        /* PROC_SUPER_MAGIC */
+    0x62656572,    /* SYSFS_MAGIC */
+    0x517B,        /* SMB_SUPER_MAGIC */
+    0x01021994,    /* TMPFS_SUPER_MAGIC */
+    0        /* last */
+};
+
+static int uuid_by_path(char *path, int type, size_t uuidlen, char *uuid)
+{
+	/* get a uuid for the filesystem found at 'path'.
+	 * There are several possible ways of generating the
+	 * uuids (types).
+	 * Type 0 is used for new filehandles, while other types
+	 * may be used to interpret old filehandle - to ensure smooth
+	 * forward migration.
+	 * We return 1 if a uuid was found (and it might be worth 
+	 * trying the next type) or 0 if no more uuid types can be
+	 * extracted.
+	 */
+
+	/* Possible sources of uuid are
+	 * - blkid uuid
+	 * - statfs uuid
+	 *
+	 * On some filesystems (e.g. vfat) the statfs uuid is simply an
+	 * encoding of the device that the filesystem is mounted from, so
+	 * it we be very bad to use that (as device numbers change).  blkid
+	 * must be preferred.
+	 * On other filesystems (e.g. btrfs) the statfs uuid contains
+	 * important info that the blkid uuid cannot contain:  This happens
+	 * when multiple subvolumes are exported (they have the same
+	 * blkid uuid but different statfs uuids).
+	 * We rely on get_uuid_blkdev *knowing* which is which and not returning
+	 * a uuid for filesystems where the statfs uuid is better.
+	 *
+	 */
+	struct statfs st;
+	char fsid_val[17];
+	const char *blkid_val = NULL;
+	const char *val;
+	int rc;
+
+	rc = nfsd_path_statfs(path, &st);
+
+	if (type == 0 && rc == 0) {
+		const unsigned long *bad;
+		for (bad = nonblkid_filesystems; *bad; bad++) {
+			if (*bad == (unsigned long)st.f_type)
+				break;
+		}
+		if (*bad == 0)
+			blkid_val = get_uuid_blkdev(path);
+	}
+
+	if (rc == 0 &&
+	    (st.f_fsid.__val[0] || st.f_fsid.__val[1]))
+		snprintf(fsid_val, 17, "%08x%08x",
+			 st.f_fsid.__val[0], st.f_fsid.__val[1]);
+	else
+		fsid_val[0] = 0;
+
+	if (blkid_val && (type--) == 0)
+		val = blkid_val;
+	else if (fsid_val[0] && (type--) == 0)
+		val = fsid_val;
+	else
+		return 0;
+
+	get_uuid(val, uuidlen, uuid);
+	return 1;
+}
+
+/* Iterate through /etc/mtab, finding mountpoints
+ * at or below a given path
+ */
+static char *next_mnt(void **v, char *p)
+{
+	FILE *f;
+	struct mntent *me;
+	size_t l = strlen(p);
+
+	if (*v == NULL) {
+		f = setmntent("/etc/mtab", "r");
+		*v = f;
+	} else
+		f = *v;
+	while ((me = getmntent(f)) != NULL && l >= 1) {
+		char *mnt_dir = nfsd_path_strip_root(me->mnt_dir);
+
+		if (!mnt_dir)
+			continue;
+
+		/* Everything below "/" is a proper sub-mount */
+		if (strcmp(p, "/") == 0)
+			return mnt_dir;
+
+		if (strncmp(mnt_dir, p, l) == 0 && mnt_dir[l] == '/')
+			return mnt_dir;
+	}
+	endmntent(f);
+	*v = NULL;
+	return NULL;
+}
+
+/* same_path() check is two paths refer to the same directory.
+ * We don't rely on 'strcmp()' as some filesystems support case-insensitive
+ * names and we might have two different names for the one directory.
+ * Theoretically the lengths of the names could be different, but the
+ * number of components must be the same.
+ * So if the paths have the same number of components (but aren't identical)
+ * we ask the kernel if they are the same thing.
+ * By preference we use name_to_handle_at(), as the mntid it returns
+ * will distinguish between bind-mount points.  If that isn't available
+ * we fall back on lstat, which is usually good enough.
+ */
+static inline int count_slashes(char *p)
+{
+	int cnt = 0;
+	while (*p)
+		if (*p++ == '/')
+			cnt++;
+	return cnt;
+}
+
+#if defined(HAVE_STRUCT_FILE_HANDLE)
+static int check_same_path_by_handle(const char *child, const char *parent)
+{
+	struct {
+		struct file_handle fh;
+		unsigned char handle[128];
+	} fchild, fparent;
+	int mnt_child, mnt_parent;
+
+	fchild.fh.handle_bytes = 128;
+	fparent.fh.handle_bytes = 128;
+
+	/* This process should have the CAP_DAC_READ_SEARCH capability */
+	if (nfsd_name_to_handle_at(AT_FDCWD, child, &fchild.fh, &mnt_child, 0) < 0)
+		return -1;
+	if (nfsd_name_to_handle_at(AT_FDCWD, parent, &fparent.fh, &mnt_parent, 0) < 0) {
+		/* If the child resolved, but the parent did not, they differ */
+		if (path_lookup_error(errno))
+			return 0;
+		/* Otherwise, we just don't know */
+		return -1;
+	}
+
+	if (mnt_child != mnt_parent ||
+	    fchild.fh.handle_bytes != fparent.fh.handle_bytes ||
+	    fchild.fh.handle_type != fparent.fh.handle_type ||
+	    memcmp(fchild.handle, fparent.handle,
+		   fchild.fh.handle_bytes) != 0)
+		return 0;
+
+	return 1;
+}
+#else
+static int check_same_path_by_handle(const char *child, const char *parent)
+{
+	errno = ENOSYS;
+	return -1;
+}
+#endif
+
+static int check_same_path_by_inode(const char *child, const char *parent)
+{
+	struct stat sc, sp;
+
+	/* This is nearly good enough.  However if a directory is
+	 * bind-mounted in two places and both are exported, it
+	 * could give a false positive
+	 */
+	if (nfsd_path_lstat(child, &sc) != 0)
+		return 0;
+	if (nfsd_path_lstat(parent, &sp) != 0)
+		return 0;
+	if (sc.st_dev != sp.st_dev)
+		return 0;
+	if (sc.st_ino != sp.st_ino)
+		return 0;
+
+	return 1;
+}
+
+static int same_path(char *child, char *parent, int len)
+{
+	static char p[PATH_MAX];
+	int err;
+
+	if (len <= 0)
+		len = strlen(child);
+	strncpy(p, child, len);
+	p[len] = 0;
+	if (strcmp(p, parent) == 0)
+		return 1;
+
+	/* If number of '/' are different, they must be different */
+	if (count_slashes(p) != count_slashes(parent))
+		return 0;
+
+	/* Try to use filehandle approach before falling back to stat() */
+	err = check_same_path_by_handle(p, parent);
+	if (err != -1)
+		return err;
+	return check_same_path_by_inode(p, parent);
+}
+
+static int is_subdirectory(char *child, char *parent)
+{
+	/* Check is child is strictly a subdirectory of
+	 * parent or a more distant descendant.
+	 */
+	size_t l = strlen(parent);
+
+	if (strcmp(parent, "/") == 0 && child[1] != 0)
+		return 1;
+
+	return (same_path(child, parent, l) && child[l] == '/');
+}
+
+static int path_matches(nfs_export *exp, char *path)
+{
+	/* Does the path match the export?  I.e. is it an
+	 * exact match, or does the export have CROSSMOUNT, and path
+	 * is a descendant?
+	 */
+	return same_path(path, exp->m_export.e_path, 0)
+		|| ((exp->m_export.e_flags & NFSEXP_CROSSMOUNT)
+		    && is_subdirectory(path, exp->m_export.e_path));
+}
+
+static int
+export_matches(nfs_export *exp, char *dom, char *path, struct addrinfo *ai)
+{
+	return path_matches(exp, path) && client_matches(exp, dom, ai);
+}
+
+/* True iff e1 is a child of e2 (or descendant) and e2 has crossmnt set: */
+static bool subexport(struct exportent *e1, struct exportent *e2)
+{
+	char *p1 = e1->e_path, *p2 = e2->e_path;
+
+	return e2->e_flags & NFSEXP_CROSSMOUNT
+		&& is_subdirectory(p1, p2);
+}
+
+struct parsed_fsid {
+	int fsidtype;
+	/* We could use a union for this, but it would be more
+	 * complicated; why bother? */
+	uint64_t inode;
+	unsigned int minor;
+	unsigned int major;
+	uint32_t fsidnum;
+	size_t uuidlen;
+	char *fhuuid;
+};
+
+static int parse_fsid(int fsidtype, int fsidlen, char *fsid,
+		struct parsed_fsid *parsed)
+{
+	uint32_t dev;
+	uint32_t inode32;
+
+	memset(parsed, 0, sizeof(*parsed));
+	parsed->fsidtype = fsidtype;
+	switch(fsidtype) {
+	case FSID_DEV: /* 4 bytes: 2 major, 2 minor, 4 inode */
+		if (fsidlen != 8)
+			return -1;
+		memcpy(&dev, fsid, 4);
+		memcpy(&inode32, fsid+4, 4);
+		parsed->inode = inode32;
+		parsed->major = ntohl(dev)>>16;
+		parsed->minor = ntohl(dev) & 0xFFFF;
+		break;
+
+	case FSID_NUM: /* 4 bytes - fsid */
+		if (fsidlen != 4)
+			return -1;
+		memcpy(&parsed->fsidnum, fsid, 4);
+		break;
+
+	case FSID_MAJOR_MINOR: /* 12 bytes: 4 major, 4 minor, 4 inode
+		 * This format is never actually used but was
+		 * an historical accident
+		 */
+		if (fsidlen != 12)
+			return -1;
+		memcpy(&dev, fsid, 4);
+		parsed->major = ntohl(dev);
+		memcpy(&dev, fsid+4, 4);
+		parsed->minor = ntohl(dev);
+		memcpy(&inode32, fsid+8, 4);
+		parsed->inode = inode32;
+		break;
+
+	case FSID_ENCODE_DEV: /* 8 bytes: 4 byte packed device number, 4 inode */
+		/* This is *host* endian, not net-byte-order, because
+		 * no-one outside this host has any business interpreting it
+		 */
+		if (fsidlen != 8)
+			return -1;
+		memcpy(&dev, fsid, 4);
+		memcpy(&inode32, fsid+4, 4);
+		parsed->inode = inode32;
+		parsed->major = (dev & 0xfff00) >> 8;
+		parsed->minor = (dev & 0xff) | ((dev >> 12) & 0xfff00);
+		break;
+
+	case FSID_UUID4_INUM: /* 4 byte inode number and 4 byte uuid */
+		if (fsidlen != 8)
+			return -1;
+		memcpy(&inode32, fsid, 4);
+		parsed->inode = inode32;
+		parsed->uuidlen = 4;
+		parsed->fhuuid = fsid+4;
+		break;
+	case FSID_UUID8: /* 8 byte uuid */
+		if (fsidlen != 8)
+			return -1;
+		parsed->uuidlen = 8;
+		parsed->fhuuid = fsid;
+		break;
+	case FSID_UUID16: /* 16 byte uuid */
+		if (fsidlen != 16)
+			return -1;
+		parsed->uuidlen = 16;
+		parsed->fhuuid = fsid;
+		break;
+	case FSID_UUID16_INUM: /* 8 byte inode number and 16 byte uuid */
+		if (fsidlen != 24)
+			return -1;
+		memcpy(&parsed->inode, fsid, 8);
+		parsed->uuidlen = 16;
+		parsed->fhuuid = fsid+8;
+		break;
+	}
+	return 0;
+}
+
+static int match_fsid(struct parsed_fsid *parsed, nfs_export *exp, char *path)
+{
+	struct stat stb;
+	int type;
+	char u[16];
+
+	if (nfsd_path_stat(path, &stb) != 0)
+		goto path_error;
+	if (!S_ISDIR(stb.st_mode) && !S_ISREG(stb.st_mode))
+		goto nomatch;
+
+	switch (parsed->fsidtype) {
+	case FSID_DEV:
+	case FSID_MAJOR_MINOR:
+	case FSID_ENCODE_DEV:
+		if (stb.st_ino != parsed->inode)
+			goto nomatch;
+		if (parsed->major != major(stb.st_dev) ||
+		    parsed->minor != minor(stb.st_dev))
+			goto nomatch;
+		goto match;
+	case FSID_NUM:
+		if (((exp->m_export.e_flags & NFSEXP_FSID) == 0 ||
+		     exp->m_export.e_fsid != parsed->fsidnum)) {
+			if ((exp->m_export.e_flags & NFSEXP_CROSSMOUNT) && exp->m_export.e_reexport != REEXP_NONE &&
+			    match_crossmnt_fsidnum(parsed->fsidnum, path))
+				goto match;
+
+			goto nomatch;
+		}
+		goto match;
+	case FSID_UUID4_INUM:
+	case FSID_UUID16_INUM:
+		if (stb.st_ino != parsed->inode)
+			goto nomatch;
+		goto check_uuid;
+	case FSID_UUID8:
+	case FSID_UUID16:
+		errno = 0;
+		if (!is_mountpoint(path)) {
+			if (!errno)
+				goto nomatch;
+			goto path_error;
+		}
+	check_uuid:
+		if (exp->m_export.e_uuid) {
+			get_uuid(exp->m_export.e_uuid, parsed->uuidlen, u);
+			if (memcmp(u, parsed->fhuuid, parsed->uuidlen) == 0)
+				goto match;
+		}
+		else
+			for (type = 0;
+			     uuid_by_path(path, type, parsed->uuidlen, u);
+			     type++)
+				if (memcmp(u, parsed->fhuuid, parsed->uuidlen) == 0)
+					goto match;
+	}
+nomatch:
+	return 0;
+match:
+	return 1;
+path_error:
+	if (path_lookup_error(errno))
+		goto nomatch;
+	return -1;
+}
+
+static struct addrinfo *lookup_client_addr(char *dom)
+{
+	struct addrinfo *ret;
+	struct addrinfo *tmp;
+
+	dom++; /* skip initial "$" */
+
+	tmp = host_pton(dom);
+	if (tmp == NULL)
+		return NULL;
+	ret = client_resolve(tmp->ai_addr);
+	nfs_freeaddrinfo(tmp);
+	return ret;
+}
+
+#define RETRY_SEC 120
+struct delayed {
+	char *message;
+	time_t last_attempt;
+	int f;
+	struct delayed *next;
+} *delayed;
+
+static int nfsd_handle_fh(int f, char *bp, int blen)
+{
+	/* request are:
+	 *  domain fsidtype fsid
+	 * interpret fsid, find export point and options, and write:
+	 *  domain fsidtype fsid expiry path
+	 */
+	char *dom;
+	int fsidtype;
+	int fsidlen;
+	char fsid[32];
+	struct parsed_fsid parsed;
+	struct exportent *found = NULL;
+	struct addrinfo *ai = NULL;
+	char *found_path = NULL;
+	nfs_export *exp;
+	int i;
+	int dev_missing = 0;
+	char buf[RPC_CHAN_BUF_SIZE];
+	int did_uncover = 0;
+	int ret = 0;
+
+	dom = malloc(blen);
+	if (dom == NULL)
+		return ret;
+	if (qword_get(&bp, dom, blen) <= 0)
+		goto out;
+	if (qword_get_int(&bp, &fsidtype) != 0)
+		goto out;
+	if (fsidtype < 0 || fsidtype > 7)
+		goto out; /* unknown type */
+	if ((fsidlen = qword_get(&bp, fsid, 32)) <= 0)
+		goto out;
+	if (parse_fsid(fsidtype, fsidlen, fsid, &parsed))
+		goto out;
+
+	auth_reload();
+
+	if (is_ipaddr_client(dom)) {
+		ai = lookup_client_addr(dom);
+		if (!ai)
+			goto out;
+	}
+
+	/* Now determine export point for this fsid/domain */
+	for (i=0 ; i < MCL_MAXTYPES; i++) {
+		nfs_export *next_exp;
+		for (exp = exportlist[i].p_head; exp; exp = next_exp) {
+			char *path;
+
+			if (!did_uncover && parsed.fsidnum && parsed.fsidtype == FSID_NUM && exp->m_export.e_reexport != REEXP_NONE) {
+				reexpdb_uncover_subvolume(parsed.fsidnum);
+				did_uncover = 1;
+			}
+
+			if (exp->m_export.e_flags & NFSEXP_CROSSMOUNT) {
+				static nfs_export *prev = NULL;
+				static void *mnt = NULL;
+				
+				if (prev == exp) {
+					/* try a submount */
+					path = next_mnt(&mnt, exp->m_export.e_path);
+					if (!path) {
+						next_exp = exp->m_next;
+						prev = NULL;
+						continue;
+					}
+					next_exp = exp;
+				} else {
+					prev = exp;
+					mnt = NULL;
+					path = exp->m_export.e_path;
+					next_exp = exp;
+				}
+			} else {
+				path = exp->m_export.e_path;
+				next_exp = exp->m_next;
+			}
+
+			if (!is_ipaddr_client(dom)
+					&& !namelist_client_matches(exp, dom))
+				continue;
+			if (exp->m_export.e_mountpoint &&
+			    !is_mountpoint(exp->m_export.e_mountpoint[0]?
+					   exp->m_export.e_mountpoint:
+					   exp->m_export.e_path))
+				dev_missing ++;
+
+			switch(match_fsid(&parsed, exp, path)) {
+			case 0:
+				continue;
+			case -1:
+				dev_missing ++;
+				continue;
+			}
+			if (is_ipaddr_client(dom)
+					&& !ipaddr_client_matches(exp, ai))
+				continue;
+			if (!found || subexport(&exp->m_export, found)) {
+				found = &exp->m_export;
+				free(found_path);
+				found_path = strdup(path);
+				if (found_path == NULL)
+					goto out;
+			} else if (strcmp(found->e_path, exp->m_export.e_path) != 0
+				   && !subexport(found, &exp->m_export))
+			{
+				xlog(L_WARNING, "%s and %s have same filehandle for %s, using first",
+				     found_path, path, dom);
+			} else {
+				/* same path, if one is V4ROOT, choose the other */
+				if (found->e_flags & NFSEXP_V4ROOT) {
+					found = &exp->m_export;
+					free(found_path);
+					found_path = strdup(path);
+					if (found_path == NULL)
+						goto out;
+				}
+			}
+		}
+	}
+
+	if (!found) {
+		/* The missing dev could be what we want, so just be
+		 * quiet rather than returning stale yet
+		 */
+		if (dev_missing) {
+			ret = 1;
+			goto out;
+		}
+	} else if (found->e_mountpoint &&
+	    !is_mountpoint(found->e_mountpoint[0]?
+			   found->e_mountpoint:
+			   found->e_path)) {
+		/* Cannot export this yet
+		 * should log a warning, but need to rate limit
+		   xlog(L_WARNING, "%s not exported as %d not a mountpoint",
+		   found->e_path, found->e_mountpoint);
+		 */
+		ret = 1;
+		goto out;
+	}
+
+	bp = buf; blen = sizeof(buf);
+	qword_add(&bp, &blen, dom);
+	qword_addint(&bp, &blen, fsidtype);
+	qword_addhex(&bp, &blen, fsid, fsidlen);
+	/* The fsid -> path lookup can be quite expensive as it
+	 * potentially stats and reads lots of devices, and some of those
+	 * might have spun-down.  The Answer is not likely to
+	 * change underneath us, and an 'exportfs -f' can always
+	 * remove this from the kernel, so use a really log
+	 * timeout.  Maybe this should be configurable on the command
+	 * line.
+	 */
+	qword_addint(&bp, &blen, 0x7fffffff);
+	if (found)
+		qword_add(&bp, &blen, found_path);
+	qword_addeol(&bp, &blen);
+	if (blen <= 0 || cache_write(f, buf, bp - buf) != bp - buf)
+		xlog(L_ERROR, "nfsd_fh: error writing reply");
+	if (!found)
+		xlog(D_AUTH, "denied access to %s", *dom == '$' ? dom+1 : dom);
+out:
+	if (found_path)
+		free(found_path);
+	nfs_freeaddrinfo(ai);
+	free(dom);
+	if (!ret)
+		xlog(D_CALL, "nfsd_fh: found %p path %s",
+		     found, found ? found->e_path : NULL);
+	return ret;
+}
+
+static void nfsd_fh(int f)
+{
+	struct delayed *d, **dp;
+	char inbuf[RPC_CHAN_BUF_SIZE];
+	int blen;
+
+	blen = cache_read(f, inbuf, sizeof(inbuf));
+	if (blen <= 0 || inbuf[blen-1] != '\n') return;
+	inbuf[blen-1] = 0;
+
+	xlog(D_CALL, "nfsd_fh: inbuf '%s'", inbuf);
+
+	if (nfsd_handle_fh(f, inbuf, blen) == 0)
+		return;
+	/* We don't have a definitive answer to give the kernel.
+	 * This is because an export marked "mountpoint" isn't a
+	 * mountpoint, or because a stat of a mountpoint fails with
+	 * a strange error like ETIMEDOUT as is possible with an
+	 * NFS mount marked "softerr" which is being re-exported.
+	 *
+	 * We cannot tell the kernel to retry, so we have to
+	 * retry ourselves.
+	 */
+	d = malloc(sizeof(*d));
+
+	if (!d)
+		return;
+	d->message = strndup(inbuf, blen);
+	if (!d->message) {
+		free(d);
+		return;
+	}
+	d->f = f;
+	d->last_attempt = time(NULL);
+	d->next = NULL;
+	dp = &delayed;
+	while (*dp)
+		dp = &(*dp)->next;
+	*dp = d;
+}
+
+static void nfsd_retry_fh(struct delayed *d)
+{
+	struct delayed **dp;
+
+	if (nfsd_handle_fh(d->f, d->message, strlen(d->message)+1) == 0) {
+		free(d->message);
+		free(d);
+		return;
+	}
+	d->last_attempt = time(NULL);
+	d->next = NULL;
+	dp = &delayed;
+	while (*dp)
+		dp = &(*dp)->next;
+	*dp = d;
+}
+
+#ifdef HAVE_JUNCTION_SUPPORT
+static void write_fsloc(char **bp, int *blen, struct exportent *ep)
+{
+	struct servers *servers;
+
+	if (ep->e_fslocmethod == FSLOC_NONE)
+		return;
+
+	servers = replicas_lookup(ep->e_fslocmethod, ep->e_fslocdata);
+	if (!servers)
+		return;
+	qword_add(bp, blen, "fsloc");
+	qword_addint(bp, blen, servers->h_num);
+	if (servers->h_num >= 0) {
+		int i;
+		for (i=0; i<servers->h_num; i++) {
+			qword_add(bp, blen, servers->h_mp[i]->h_host);
+			qword_add(bp, blen, servers->h_mp[i]->h_path);
+		}
+	}
+	qword_addint(bp, blen, servers->h_referral);
+	release_replicas(servers);
+}
+#endif
+
+static void write_secinfo(char **bp, int *blen, struct exportent *ep, int flag_mask, int extra_flag)
+{
+	struct sec_entry *p;
+
+	for (p = ep->e_secinfo; p->flav; p++)
+		; /* Do nothing */
+	if (p == ep->e_secinfo) {
+		/* There was no sec= option */
+		return;
+	}
+	fix_pseudoflavor_flags(ep);
+	qword_add(bp, blen, "secinfo");
+	qword_addint(bp, blen, p - ep->e_secinfo);
+	for (p = ep->e_secinfo; p->flav; p++) {
+		qword_addint(bp, blen, p->flav->fnum);
+		qword_addint(bp, blen, (p->flags | extra_flag) & flag_mask);
+	}
+}
+
+static void write_xprtsec(char **bp, int *blen, struct exportent *ep)
+{
+	struct xprtsec_entry *p;
+
+	for (p = ep->e_xprtsec; p->info; p++);
+	if (p == ep->e_xprtsec)
+		return;
+
+	qword_add(bp, blen, "xprtsec");
+	qword_addint(bp, blen, p - ep->e_xprtsec);
+	for (p = ep->e_xprtsec; p->info; p++)
+		qword_addint(bp, blen, p->info->number);
+}
+
+static int can_reexport_via_fsidnum(struct exportent *exp, struct statfs *st)
+{
+	if (st->f_type != 0x6969 /* NFS_SUPER_MAGIC */)
+		return 0;
+
+	return exp->e_reexport == REEXP_PREDEFINED_FSIDNUM ||
+	       exp->e_reexport == REEXP_AUTO_FSIDNUM;
+}
+
+static int dump_to_cache(int f, char *buf, int blen, char *domain,
+			 char *path, struct exportent *exp, int ttl)
+{
+	char *bp = buf;
+	time_t now = time(0);
+	size_t buflen;
+	ssize_t err;
+
+	if (ttl <= 1)
+		ttl = default_ttl;
+
+	qword_add(&bp, &blen, domain);
+	qword_add(&bp, &blen, path);
+	if (exp) {
+		int different_fs = strcmp(path, exp->e_path) != 0;
+		int flag_mask = different_fs ? ~NFSEXP_FSID : ~0;
+		int rc, do_fsidnum = 0;
+		uint32_t fsidnum = exp->e_fsid;
+
+		if (different_fs) {
+			struct statfs st;
+
+			rc = nfsd_path_statfs(path, &st);
+			if (rc) {
+				xlog(L_WARNING, "unable to statfs %s", path);
+				errno = EINVAL;
+				return -1;
+			}
+
+			if (can_reexport_via_fsidnum(exp, &st)) {
+				do_fsidnum = 1;
+				flag_mask = ~0;
+			}
+		}
+
+		qword_adduint(&bp, &blen, now + exp->e_ttl);
+
+		if (do_fsidnum) {
+			uint32_t search_fsidnum = 0;
+			if (exp->e_reexport != REEXP_NONE && reexpdb_fsidnum_by_path(path, &search_fsidnum,
+			    exp->e_reexport == REEXP_AUTO_FSIDNUM) == 0) {
+				errno = EINVAL;
+				return -1;
+			}
+			fsidnum = search_fsidnum;
+			qword_addint(&bp, &blen, exp->e_flags | NFSEXP_FSID);
+		} else {
+			qword_addint(&bp, &blen, exp->e_flags & flag_mask);
+		}
+
+		qword_addint(&bp, &blen, exp->e_anonuid);
+		qword_addint(&bp, &blen, exp->e_anongid);
+		qword_addint(&bp, &blen, fsidnum);
+
+#ifdef HAVE_JUNCTION_SUPPORT
+		write_fsloc(&bp, &blen, exp);
+#endif
+		write_secinfo(&bp, &blen, exp, flag_mask, do_fsidnum ? NFSEXP_FSID : 0);
+		if (exp->e_uuid == NULL || different_fs) {
+			char u[16];
+			if ((exp->e_flags & flag_mask & NFSEXP_FSID) == 0 &&
+			    uuid_by_path(path, 0, 16, u)) {
+				qword_add(&bp, &blen, "uuid");
+				qword_addhex(&bp, &blen, u, 16);
+			}
+		} else {
+			char u[16];
+			get_uuid(exp->e_uuid, 16, u);
+			qword_add(&bp, &blen, "uuid");
+			qword_addhex(&bp, &blen, u, 16);
+		}
+		write_xprtsec(&bp, &blen, exp);
+		xlog(D_AUTH, "granted access to %s for %s",
+		     path, *domain == '$' ? domain+1 : domain);
+	} else {
+		qword_adduint(&bp, &blen, now + ttl);
+		xlog(D_AUTH, "denied access to %s for %s",
+		     path, *domain == '$' ? domain+1 : domain);
+	}
+	qword_addeol(&bp, &blen);
+	if (blen <= 0) {
+		errno = ENOBUFS;
+		return -1;
+	}
+	buflen = bp - buf;
+	err = cache_write(f, buf, buflen);
+	if (err < 0)
+		return err;
+	if ((size_t)err != buflen) {
+		errno = ENOSPC;
+		return -1;
+	}
+	return 0;
+}
+
+static nfs_export *
+lookup_export(char *dom, char *path, struct addrinfo *ai)
+{
+	nfs_export *exp;
+	nfs_export *found = NULL;
+	int found_type = 0;
+	int i;
+
+	for (i=0 ; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (!export_matches(exp, dom, path, ai))
+				continue;
+			if (!found) {
+				found = exp;
+				found_type = i;
+				continue;
+			}
+			/* Always prefer non-V4ROOT exports */
+			if (exp->m_export.e_flags & NFSEXP_V4ROOT)
+				continue;
+			if (found->m_export.e_flags & NFSEXP_V4ROOT) {
+				found = exp;
+				found_type = i;
+				continue;
+			}
+
+			/* If one is a CROSSMOUNT, then prefer the longest path */
+			if (((found->m_export.e_flags & NFSEXP_CROSSMOUNT) ||
+			     (exp->m_export.e_flags & NFSEXP_CROSSMOUNT)) &&
+			    strlen(found->m_export.e_path) !=
+			    strlen(exp->m_export.e_path)) {
+
+				if (strlen(exp->m_export.e_path) >
+				    strlen(found->m_export.e_path)) {
+					found = exp;
+					found_type = i;
+				}
+				continue;
+
+			} else if (found_type == i && found->m_warned == 0) {
+				xlog(L_WARNING, "%s exported to both %s and %s, "
+				     "arbitrarily choosing options from first",
+				     path, found->m_client->m_hostname, exp->m_client->m_hostname);
+				found->m_warned = 1;
+			}
+		}
+	}
+	return found;
+}
+
+#ifdef HAVE_JUNCTION_SUPPORT
+
+#include <libxml/parser.h>
+#include "junction.h"
+
+struct nfs_fsloc_set {
+	int			 ns_ttl;
+	struct nfs_fsloc	*ns_current;
+	struct nfs_fsloc	*ns_list;
+};
+
+/*
+ * Find the export entry for the parent of "pathname".
+ * Caller must not free returned exportent.
+ */
+static struct exportent *lookup_parent_export(char *dom,
+		const char *pathname, struct addrinfo *ai)
+{
+	char *parent, *slash;
+	nfs_export *result;
+
+	parent = strdup(pathname);
+	if (parent == NULL) {
+		xlog(D_GENERAL, "%s: failed to allocate parent path buffer",
+			__func__);
+		goto out_default;
+	}
+	xlog(D_CALL, "%s: pathname = '%s'", __func__, pathname);
+
+again:
+	/* shorten pathname by one component */
+	slash = strrchr(parent, '/');
+	if (slash == NULL) {
+		xlog(D_GENERAL, "%s: no slash found in pathname",
+			__func__);
+		goto out_default;
+	}
+	*slash = '\0';
+
+	if (strlen(parent) == 0) {
+		result = lookup_export(dom, "/", ai);
+		if (result == NULL) {
+			xlog(L_ERROR, "%s: no root export found.", __func__);
+			goto out_default;
+		}
+		goto out;
+	}
+
+	result = lookup_export(dom, parent, ai);
+	if (result == NULL) {
+		xlog(D_GENERAL, "%s: lookup_export(%s) found nothing",
+			__func__, parent);
+		goto again;
+	}
+
+out:
+	xlog(D_CALL, "%s: found export for %s", __func__, parent);
+	free(parent);
+	return &result->m_export;
+
+out_default:
+	free(parent);
+	return mkexportent("*", "/", "insecure");
+}
+
+static int get_next_location(struct nfs_fsloc_set *locset,
+		char **hostname, char **export_path, int *ttl)
+{
+	char *hostname_tmp, *export_path_tmp;
+	struct nfs_fsloc *fsloc;
+
+	if (locset->ns_current == NULL)
+		return ENOENT;
+	fsloc = locset->ns_current;
+
+	hostname_tmp = strdup(fsloc->nfl_hostname);
+	if (hostname_tmp == NULL)
+		return ENOMEM;
+
+	if (nsdb_path_array_to_posix(fsloc->nfl_rootpath,
+					&export_path_tmp)) {
+		free(hostname_tmp);
+		return EINVAL;
+	}
+
+	*hostname = hostname_tmp;
+	*export_path = export_path_tmp;
+	*ttl = locset->ns_ttl;
+	locset->ns_current = locset->ns_current->nfl_next;
+	return 0;
+}
+
+/*
+ * Walk through a set of FS locations and build an e_fslocdata string.
+ * Returns true if all went to plan; otherwise, false.
+ */
+static bool locations_to_fslocdata(struct nfs_fsloc_set *locations,
+		char *fslocdata, size_t remaining, int *ttl)
+{
+	char *server, *last_path, *rootpath, *ptr;
+	_Bool seen = false;
+
+	last_path = NULL;
+	rootpath = NULL;
+	server = NULL;
+	ptr = fslocdata;
+	*ttl = 0;
+
+	for (;;) {
+		int len, status;
+
+		status = get_next_location(locations, &server,
+							&rootpath, ttl);
+		if (status == ENOENT)
+			break;
+		if (status) {
+			xlog(D_GENERAL, "%s: failed to parse location: %s",
+				__func__, strerror(status));
+			goto out_false;
+		}
+		xlog(D_GENERAL, "%s: Location: %s:%s",
+			__func__, server, rootpath);
+
+		if (last_path && strcmp(rootpath, last_path) == 0) {
+			len = snprintf(ptr, remaining, "+%s", server);
+			if (len < 0) {
+				xlog(D_GENERAL, "%s: snprintf: %m", __func__);
+				goto out_false;
+			}
+			if ((size_t)len >= remaining) {
+				xlog(D_GENERAL, "%s: fslocdata buffer overflow", __func__);
+				goto out_false;
+			}
+			remaining -= (size_t)len;
+			ptr += len;
+		} else {
+			if (last_path == NULL)
+				len = snprintf(ptr, remaining, "%s@%s",
+							rootpath, server);
+			else
+				len = snprintf(ptr, remaining, ":%s@%s",
+							rootpath, server);
+			if (len < 0) {
+				xlog(D_GENERAL, "%s: snprintf: %m", __func__);
+				goto out_false;
+			}
+			if ((size_t)len >= remaining) {
+				xlog(D_GENERAL, "%s: fslocdata buffer overflow",
+					__func__);
+				goto out_false;
+			}
+			remaining -= (size_t)len;
+			ptr += len;
+			last_path = rootpath;
+		}
+
+		seen = true;
+		free(rootpath);
+		free(server);
+	}
+
+	xlog(D_CALL, "%s: fslocdata='%s', ttl=%d",
+		__func__, fslocdata, *ttl);
+	return seen;
+
+out_false:
+	free(rootpath);
+	free(server);
+	return false;
+}
+
+/*
+ * Duplicate the junction's parent's export options and graft in
+ * the fslocdata we constructed from the locations list.
+ */
+static struct exportent *create_junction_exportent(struct exportent *parent,
+		const char *junction, const char *fslocdata, int ttl)
+{
+	static struct exportent *eep;
+
+	eep = (struct exportent *)malloc(sizeof(*eep));
+	if (eep == NULL)
+		goto out_nomem;
+
+	dupexportent(eep, parent);
+	strcpy(eep->e_path, junction);
+	eep->e_hostname = strdup(parent->e_hostname);
+	if (eep->e_hostname == NULL) {
+		free(eep);
+		goto out_nomem;
+	}
+	free(eep->e_uuid);
+	eep->e_uuid = NULL;
+	eep->e_ttl = (unsigned int)ttl;
+
+	free(eep->e_fslocdata);
+	eep->e_fslocdata = strdup(fslocdata);
+	if (eep->e_fslocdata == NULL) {
+		free(eep->e_hostname);
+		free(eep);
+		goto out_nomem;
+	}
+	eep->e_fslocmethod = FSLOC_REFER;
+	return eep;
+
+out_nomem:
+	xlog(L_ERROR, "%s: No memory", __func__);
+	return NULL;
+}
+
+/*
+ * Walk through the set of FS locations and build an exportent.
+ * Returns pointer to an exportent if "junction" refers to a junction.
+ */
+static struct exportent *locations_to_export(struct nfs_fsloc_set *locations,
+		const char *junction, struct exportent *parent)
+{
+	static char fslocdata[BUFSIZ];
+	int ttl;
+
+	fslocdata[0] = '\0';
+	if (!locations_to_fslocdata(locations, fslocdata, sizeof(fslocdata), &ttl))
+		return NULL;
+	return create_junction_exportent(parent, junction, fslocdata, ttl);
+}
+
+static int
+nfs_get_basic_junction(const char *junct_path, struct nfs_fsloc_set **locset)
+{
+	struct nfs_fsloc_set *new;
+	FedFsStatus retval;
+
+	new = calloc(1, sizeof(struct nfs_fsloc_set));
+	if (new == NULL)
+		return ENOMEM;
+
+	retval = nfs_get_locations(junct_path, &new->ns_list);
+	if (retval) {
+		nfs_free_locations(new->ns_list);
+		free(new);
+		return EINVAL;
+	}
+
+	new->ns_current = new->ns_list;
+	new->ns_ttl = 300;
+	*locset = new;
+	return 0;
+}
+
+static struct exportent *lookup_junction(char *dom, const char *pathname,
+		struct addrinfo *ai)
+{
+	struct exportent *parent, *exp = NULL;
+	struct nfs_fsloc_set *locations;
+	int status;
+
+	xmlInitParser();
+
+	if (nfs_is_junction(pathname)) {
+		xlog(D_GENERAL, "%s: %s is not a junction",
+			__func__, pathname);
+		goto out;
+	}
+	status = nfs_get_basic_junction(pathname, &locations);
+	if (status) {
+		xlog(L_WARNING, "Dangling junction %s: %s",
+			pathname, strerror(status));
+		goto out;
+	}
+
+	parent = lookup_parent_export(dom, pathname, ai);
+	if (parent == NULL)
+		goto free_locations;
+
+	exp = locations_to_export(locations, pathname, parent);
+
+free_locations:
+	nfs_free_locations(locations->ns_list);
+	free(locations);
+
+out:
+	xmlCleanupParser();
+	return exp;
+}
+
+static void lookup_nonexport(int f, char *buf, int buflen, char *dom, char *path,
+		struct addrinfo *ai)
+{
+	struct exportent *eep;
+
+	eep = lookup_junction(dom, path, ai);
+	dump_to_cache(f, buf, buflen, dom, path, eep, 0);
+	if (eep == NULL)
+		return;
+	exportent_release(eep);
+	free(eep);
+}
+
+#else	/* !HAVE_JUNCTION_SUPPORT */
+
+static void lookup_nonexport(int f, char *buf, int buflen, char *dom, char *path,
+		struct addrinfo *UNUSED(ai))
+{
+	dump_to_cache(f, buf, buflen, dom, path, NULL, 0);
+}
+
+#endif	/* !HAVE_JUNCTION_SUPPORT */
+
+static void nfsd_export(int f)
+{
+	/* requests are:
+	 *  domain path
+	 * determine export options and return:
+	 *  domain path expiry flags anonuid anongid fsid
+	 */
+
+	char *dom, *path;
+	nfs_export *found = NULL;
+	struct addrinfo *ai = NULL;
+	char buf[RPC_CHAN_BUF_SIZE], *bp;
+	int blen;
+
+	blen = cache_read(f, buf, sizeof(buf));
+	if (blen <= 0 || buf[blen-1] != '\n') return;
+	buf[blen-1] = 0;
+
+	xlog(D_CALL, "nfsd_export: inbuf '%s'", buf);
+
+	bp = buf;
+	dom = malloc(blen);
+	path = malloc(blen);
+
+	if (!dom || !path)
+		goto out;
+
+	if (qword_get(&bp, dom, blen) <= 0)
+		goto out;
+	if (qword_get(&bp, path, blen) <= 0)
+		goto out;
+
+	auth_reload();
+
+	if (is_ipaddr_client(dom)) {
+		ai = lookup_client_addr(dom);
+		if (!ai)
+			goto out;
+	}
+
+	found = lookup_export(dom, path, ai);
+
+	if (found) {
+		char *mp = found->m_export.e_mountpoint;
+
+		if (mp && !*mp)
+			mp = found->m_export.e_path;
+		errno = 0;
+		if (mp && !is_mountpoint(mp)) {
+			if (errno != 0 && !path_lookup_error(errno))
+				goto out;
+			/* Exportpoint is not mounted, so tell kernel it is
+			 * not available.
+			 * This will cause it not to appear in the V4 Pseudo-root
+			 * and so a "mount" of this path will fail, just like with
+			 * V3.
+			 * Any filehandle for this mountpoint from an earlier
+			 * mount will block in nfsd.fh lookup.
+			 */
+			xlog(L_WARNING,
+			     "Cannot export path '%s': not a mountpoint",
+			     path);
+			dump_to_cache(f, buf, sizeof(buf), dom, path,
+				      NULL, 60);
+		} else if (dump_to_cache(f, buf, sizeof(buf), dom, path,
+					 &found->m_export, 0) < 0) {
+			xlog(L_WARNING,
+			     "Cannot export %s, possibly unsupported filesystem"
+			     " or fsid= required", path);
+			dump_to_cache(f, buf, sizeof(buf), dom, path, NULL, 0);
+		}
+	} else
+		lookup_nonexport(f, buf, sizeof(buf), dom, path, ai);
+
+ out:
+	xlog(D_CALL, "nfsd_export: found %p path %s", found, path ? path : NULL);
+	if (dom) free(dom);
+	if (path) free(path);
+	nfs_freeaddrinfo(ai);
+}
+
+
+struct {
+	char *cache_name;
+	void (*cache_handle)(int f);
+	int f;
+} cachelist[] = {
+	{ "auth.unix.ip", auth_unix_ip, -1 },
+	{ "auth.unix.gid", auth_unix_gid, -1 },
+	{ "nfsd.export", nfsd_export, -1 },
+	{ "nfsd.fh", nfsd_fh, -1 },
+	{ NULL, NULL, -1 }
+};
+
+extern int manage_gids;
+
+/**
+ * cache_open - prepare communications channels with kernel RPC caches
+ *
+ */
+void cache_open(void) 
+{
+	int i;
+
+	for (i=0; cachelist[i].cache_name; i++ ) {
+		char path[100];
+		if (!manage_gids && cachelist[i].cache_handle == auth_unix_gid)
+			continue;
+		sprintf(path, "/proc/net/rpc/%s/channel", cachelist[i].cache_name);
+		cachelist[i].f = open(path, O_RDWR);
+	}
+}
+
+/**
+ * cache_set_fds - prepare cache file descriptors for one iteration of the service loop
+ * @fdset: pointer to fd_set to prepare
+ */
+void cache_set_fds(fd_set *fdset)
+{
+	int i;
+	for (i=0; cachelist[i].cache_name; i++) {
+		if (cachelist[i].f >= 0)
+			FD_SET(cachelist[i].f, fdset);
+	}
+}
+
+/**
+ * cache_process_req - process any active cache file descriptors during service loop iteration
+ * @fdset: pointer to fd_set to examine for activity
+ */
+int cache_process_req(fd_set *readfds) 
+{
+	int i;
+	int cnt = 0;
+	for (i=0; cachelist[i].cache_name; i++) {
+		if (cachelist[i].f >= 0 &&
+		    FD_ISSET(cachelist[i].f, readfds)) {
+			cnt++;
+			cachelist[i].cache_handle(cachelist[i].f);
+			FD_CLR(cachelist[i].f, readfds);
+		}
+	}
+	return cnt;
+}
+
+/**
+ * cache_process - process incoming upcalls
+ * Returns -ve on error, or number of fds in svc_fds
+ * that might need processing.
+ */
+int cache_process(fd_set *readfds)
+{
+	fd_set fdset;
+	int	selret;
+	struct timeval tv = { 24*3600, 0 };
+
+	if (!readfds) {
+		FD_ZERO(&fdset);
+		readfds = &fdset;
+	}
+	cache_set_fds(readfds);
+	v4clients_set_fds(readfds);
+
+	if (delayed) {
+		time_t now = time(NULL);
+		time_t delay;
+		if (delayed->last_attempt > now)
+			/* Clock updated - retry immediately */
+			delayed->last_attempt = now - RETRY_SEC;
+		delay = delayed->last_attempt + RETRY_SEC - now;
+		if (delay < 0)
+			delay = 0;
+		tv.tv_sec = delay;
+	}
+	selret = select(FD_SETSIZE, readfds, NULL, NULL, &tv);
+
+	if (delayed) {
+		time_t now = time(NULL);
+		struct delayed *d = delayed;
+
+		if (d->last_attempt + RETRY_SEC <= now) {
+			delayed = d->next;
+			d->next = NULL;
+			nfsd_retry_fh(d);
+		}
+	}
+
+	switch (selret) {
+	case -1:
+		if (errno == EINTR || errno == ECONNREFUSED
+		    || errno == ENETUNREACH || errno == EHOSTUNREACH)
+			return 0;
+		return -1;
+
+	default:
+		selret -= cache_process_req(readfds);
+		selret -= v4clients_process(readfds);
+		if (selret < 0)
+			selret = 0;
+	}
+	return selret;
+}
+
+/*
+ * Give IP->domain and domain+path->options to kernel
+ * % echo nfsd $IP  $[now+DEFAULT_TTL] $domain > /proc/net/rpc/auth.unix.ip/channel
+ * % echo $domain $path $[now+DEFAULT_TTL] $options $anonuid $anongid $fsid > /proc/net/rpc/nfsd.export/channel
+ */
+
+static int cache_export_ent(char *buf, int buflen, char *domain, struct exportent *exp, char *path)
+{
+	int f, err;
+
+	f = open("/proc/net/rpc/nfsd.export/channel", O_WRONLY);
+	if (f < 0) return -1;
+
+	err = dump_to_cache(f, buf, buflen, domain, exp->e_path, exp, 0);
+	if (err) {
+		xlog(L_WARNING,
+		     "Cannot export %s, possibly unsupported filesystem or"
+		     " fsid= required", exp->e_path);
+	}
+
+	while (err == 0 && (exp->e_flags & NFSEXP_CROSSMOUNT) && path) {
+		/* really an 'if', but we can break out of
+		 * a 'while' more easily */
+		/* Look along 'path' for other filesystems
+		 * and export them with the same options
+		 */
+		struct stat stb;
+		size_t l = strlen(exp->e_path);
+		dev_t dev;
+
+		if (strlen(path) <= l || path[l] != '/' ||
+		    strncmp(exp->e_path, path, l) != 0)
+			break;
+		if (nfsd_path_stat(exp->e_path, &stb) != 0)
+			break;
+		dev = stb.st_dev;
+		while(path[l] == '/') {
+			char c;
+			/* errors for submount should fail whole filesystem */
+			int err2;
+
+			l++;
+			while (path[l] != '/' && path[l])
+				l++;
+			c = path[l];
+			path[l] = 0;
+			err2 = nfsd_path_lstat(path, &stb);
+			path[l] = c;
+			if (err2 < 0)
+				break;
+			if (stb.st_dev == dev)
+				continue;
+			dev = stb.st_dev;
+			path[l] = 0;
+			dump_to_cache(f, buf, buflen, domain, path, exp, 0);
+			path[l] = c;
+		}
+		break;
+	}
+
+	close(f);
+	return err;
+}
+
+/**
+ * cache_export - Inform kernel of a new nfs_export
+ * @exp: target nfs_export
+ * @path: NUL-terminated C string containing export path
+ */
+int cache_export(nfs_export *exp, char *path)
+{
+	char ip[INET6_ADDRSTRLEN];
+	char buf[RPC_CHAN_BUF_SIZE], *bp;
+	int blen, f;
+
+	f = open("/proc/net/rpc/auth.unix.ip/channel", O_WRONLY);
+	if (f < 0)
+		return -1;
+
+	bp = buf, blen = sizeof(buf);
+	qword_add(&bp, &blen, "nfsd");
+	qword_add(&bp, &blen, host_ntop(get_addrlist(exp->m_client, 0), ip, sizeof(ip)));
+	qword_adduint(&bp, &blen, time(0) + exp->m_export.e_ttl);
+	qword_add(&bp, &blen, exp->m_client->m_hostname);
+	qword_addeol(&bp, &blen);
+	if (blen <= 0 || cache_write(f, buf, bp - buf) != bp - buf) blen = -1;
+	close(f);
+	if (blen < 0) return -1;
+
+	return cache_export_ent(buf, sizeof(buf), exp->m_client->m_hostname, &exp->m_export, path);
+}
+
+/**
+ * cache_get_filehandle - given an nfs_export, get its root filehandle
+ * @exp: target nfs_export
+ * @len: length of requested file handle
+ * @p: NUL-terminated C string containing export path
+ *
+ * Returns pointer to NFS file handle of root directory of export
+ *
+ * { 
+ *   echo $domain $path $length 
+ *   read filehandle <&0
+ * } <> /proc/fs/nfsd/filehandle
+ */
+struct nfs_fh_len *
+cache_get_filehandle(nfs_export *exp, int len, char *p)
+{
+	static struct nfs_fh_len fh;
+	char buf[RPC_CHAN_BUF_SIZE], *bp;
+	int blen, f;
+
+	f = open("/proc/fs/nfsd/filehandle", O_RDWR);
+	if (f < 0) {
+		f = open("/proc/fs/nfs/filehandle", O_RDWR);
+		if (f < 0) return NULL;
+	}
+
+	bp = buf, blen = sizeof(buf);
+	qword_add(&bp, &blen, exp->m_client->m_hostname);
+	qword_add(&bp, &blen, p);
+	qword_addint(&bp, &blen, len);
+	qword_addeol(&bp, &blen);
+	if (blen <= 0 || cache_write(f, buf, bp - buf) != bp - buf) {
+		close(f);
+		return NULL;
+	}
+	bp = buf;
+	blen = cache_read(f, buf, sizeof(buf));
+	close(f);
+
+	if (blen <= 0 || buf[blen-1] != '\n')
+		return NULL;
+	buf[blen-1] = 0;
+
+	memset(fh.fh_handle, 0, sizeof(fh.fh_handle));
+	fh.fh_size = qword_get(&bp, (char *)fh.fh_handle, NFS3_FHSIZE);
+	return &fh;
+}
+
+/* Wait for all worker child processes to exit and reap them */
+void
+cache_wait_for_workers(char *prog)
+{
+	int status;
+	pid_t pid;
+
+	for (;;) {
+
+		pid = waitpid(0, &status, 0);
+
+		if (pid < 0) {
+			if (errno == ECHILD)
+				return; /* no more children */
+			xlog(L_FATAL, "%s: can't wait: %s\n", prog,
+					strerror(errno));
+		}
+
+		/* Note: because we SIG_IGN'd SIGCHLD earlier, this
+		 * does not happen on 2.6 kernels, and waitpid() blocks
+		 * until all the children are dead then returns with
+		 * -ECHILD.  But, we don't need to do anything on the
+		 * death of individual workers, so we don't care. */
+		xlog(L_NOTICE, "%s: reaped child %d, status %d\n",
+		     prog, (int)pid, status);
+	}
+}
+
+/* Fork num_threads worker children and wait for them */
+int
+cache_fork_workers(char *prog, int num_threads)
+{
+	int i;
+	pid_t pid;
+
+	if (num_threads <= 1)
+		return 1;
+
+	xlog(L_NOTICE, "%s: starting %d threads\n", prog, num_threads);
+
+	for (i = 0 ; i < num_threads ; i++) {
+		pid = fork();
+		if (pid < 0) {
+			xlog(L_FATAL, "%s: cannot fork: %s\n", prog,
+					strerror(errno));
+		}
+		if (pid == 0) {
+			/* worker child */
+
+			/* Re-enable the default action on SIGTERM et al
+			 * so that workers die naturally when sent them.
+			 * Only the parent unregisters with pmap and
+			 * hence needs to do special SIGTERM handling. */
+			struct sigaction sa;
+			sa.sa_handler = SIG_DFL;
+			sa.sa_flags = 0;
+			sigemptyset(&sa.sa_mask);
+			sigaction(SIGHUP, &sa, NULL);
+			sigaction(SIGINT, &sa, NULL);
+			sigaction(SIGTERM, &sa, NULL);
+
+			/* fall into my_svc_run in caller */
+			return 1;
+		}
+	}
+
+	/* in parent */
+	cache_wait_for_workers(prog);
+	return 0;
+}
diff --git a/support/export/client.c b/support/export/client.c
new file mode 100644
index 0000000..79164fe
--- /dev/null
+++ b/support/export/client.c
@@ -0,0 +1,800 @@
+/*
+ * support/export/client.c
+ *
+ * Maintain list of nfsd clients.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <netdb.h>
+#include <errno.h>
+
+#include "sockaddr.h"
+#include "misc.h"
+#include "nfslib.h"
+#include "exportfs.h"
+
+/* netgroup stuff never seems to be defined in any header file. Linux is
+ * not alone in this.
+ */
+#if !defined(__GLIBC__) || __GLIBC__ < 2
+extern int	innetgr(char *netgr, char *host, char *, char *);
+#endif
+
+static char	*add_name(char *old, const char *add);
+
+nfs_client	*clientlist[MCL_MAXTYPES] = { NULL, };
+
+
+static void
+init_addrlist(nfs_client *clp, const struct addrinfo *ai)
+{
+	int i;
+
+	if (ai == NULL)
+		return;
+
+	for (i = 0; (ai != NULL) && (i < NFSCLNT_ADDRMAX); i++) {
+		set_addrlist(clp, i, ai->ai_addr);
+		ai = ai->ai_next;
+	}
+
+	clp->m_naddr = i;
+}
+
+static void
+client_free(nfs_client *clp)
+{
+	free(clp->m_hostname);
+	free(clp);
+}
+
+static int
+init_netmask4(nfs_client *clp, const char *slash)
+{
+	struct sockaddr_in sin = {
+		.sin_family		= AF_INET,
+	};
+	uint32_t shift;
+
+	/*
+	 * Decide what kind of netmask was specified.  If there's
+	 * no '/' present, assume the netmask is all ones.  If
+	 * there is a '/' and at least one '.', look for a spelled-
+	 * out netmask.  Otherwise, assume it was a prefixlen.
+	 */
+	if (slash == NULL)
+		shift = 0;
+	else {
+		unsigned long prefixlen;
+
+		if (strchr(slash + 1, '.') != NULL) {
+			if (inet_pton(AF_INET, slash + 1,
+						&sin.sin_addr.s_addr) == 0)
+				goto out_badmask;
+			set_addrlist_in(clp, 1, &sin);
+			return 1;
+		} else {
+			char *endptr;
+
+			prefixlen = strtoul(slash + 1, &endptr, 10);
+			if (*endptr != '\0' && prefixlen != ULONG_MAX &&
+			    errno != ERANGE)
+				goto out_badprefix;
+		}
+		if (prefixlen > 32)
+			goto out_badprefix;
+		shift = 32 - (uint32_t)prefixlen;
+	}
+
+	/*
+	 * Now construct the full netmask bitmask in a sockaddr_in,
+	 * and plant it in the nfs_client record.
+	 */
+	sin.sin_addr.s_addr = htonl((uint32_t)~0 << shift);
+	set_addrlist_in(clp, 1, &sin);
+
+	return 1;
+
+out_badmask:
+	xlog(L_ERROR, "Invalid netmask `%s' for %s", slash + 1, clp->m_hostname);
+	return 0;
+
+out_badprefix:
+	xlog(L_ERROR, "Invalid prefix `%s' for %s", slash + 1, clp->m_hostname);
+	return 0;
+}
+
+#ifdef IPV6_SUPPORTED
+static int
+init_netmask6(nfs_client *clp, const char *slash)
+{
+	struct sockaddr_in6 sin6 = {
+		.sin6_family		= AF_INET6,
+	};
+	unsigned long prefixlen;
+	uint32_t shift;
+	int i;
+
+	/*
+	 * Decide what kind of netmask was specified.  If there's
+	 * no '/' present, assume the netmask is all ones.  If
+	 * there is a '/' and at least one ':', look for a spelled-
+	 * out netmask.  Otherwise, assume it was a prefixlen.
+	 */
+	if (slash == NULL)
+		prefixlen = 128;
+	else {
+		if (strchr(slash + 1, ':') != NULL) {
+			if (!inet_pton(AF_INET6, slash + 1, &sin6.sin6_addr))
+				goto out_badmask;
+			set_addrlist_in6(clp, 1, &sin6);
+			return 1;
+		} else {
+			char *endptr;
+
+			prefixlen = strtoul(slash + 1, &endptr, 10);
+			if (*endptr != '\0' && prefixlen != ULONG_MAX &&
+			    errno != ERANGE)
+				goto out_badprefix;
+		}
+		if (prefixlen > 128)
+			goto out_badprefix;
+	}
+
+	/*
+	 * Now construct the full netmask bitmask in a sockaddr_in6,
+	 * and plant it in the nfs_client record.
+	 */
+	for (i = 0; prefixlen > 32; i++) {
+		sin6.sin6_addr.s6_addr32[i] = 0xffffffff;
+		prefixlen -= 32;
+	}
+	shift = 32 - (uint32_t)prefixlen;
+	sin6.sin6_addr.s6_addr32[i] = htonl((uint32_t)~0 << shift);
+	set_addrlist_in6(clp, 1, &sin6);
+
+	return 1;
+
+out_badmask:
+	xlog(L_ERROR, "Invalid netmask `%s' for %s", slash + 1, clp->m_hostname);
+	return 0;
+
+out_badprefix:
+	xlog(L_ERROR, "Invalid prefix `%s' for %s", slash + 1, clp->m_hostname);
+	return 0;
+}
+#else	/* IPV6_SUPPORTED */
+static int
+init_netmask6(nfs_client *UNUSED(clp), const char *UNUSED(slash))
+{
+	return 0;
+}
+#endif	/* IPV6_SUPPORTED */
+
+/*
+ * Parse the network mask for M_SUBNETWORK type clients.
+ *
+ * Return TRUE if successful, or FALSE if some error occurred.
+ */
+static int
+init_subnetwork(nfs_client *clp)
+{
+	struct addrinfo *ai;
+	sa_family_t family;
+	int result = 0;
+	char *slash;
+
+	slash = strchr(clp->m_hostname, '/');
+	if (slash != NULL) {
+		*slash = '\0';
+		ai = host_pton(clp->m_hostname);
+		*slash = '/';
+	} else
+		ai = host_pton(clp->m_hostname);
+	if (ai == NULL) {
+		xlog(L_ERROR, "Invalid IP address %s", clp->m_hostname);
+		return result;
+	}
+
+	set_addrlist(clp, 0, ai->ai_addr);
+	family = ai->ai_addr->sa_family;
+
+	nfs_freeaddrinfo(ai);
+
+	switch (family) {
+	case AF_INET:
+		result = init_netmask4(clp, slash);
+		break;
+	case AF_INET6:
+		result = init_netmask6(clp, slash);
+		break;
+	default:
+		xlog(L_ERROR, "Unsupported address family for %s",
+			clp->m_hostname);
+	}
+
+	return result;
+}
+
+static int
+client_init(nfs_client *clp, const char *hname, const struct addrinfo *ai)
+{
+	clp->m_hostname = strdup(hname);
+	if (clp->m_hostname == NULL)
+		return 0;
+
+	clp->m_exported = 0;
+	clp->m_count = 0;
+	clp->m_naddr = 0;
+
+	if (clp->m_type == MCL_SUBNETWORK)
+		return init_subnetwork(clp);
+
+	init_addrlist(clp, ai);
+	return 1;
+}
+
+static void
+client_add(nfs_client *clp)
+{
+	nfs_client **cpp;
+
+	cpp = &clientlist[clp->m_type];
+	while (*cpp != NULL)
+		cpp = &((*cpp)->m_next);
+	clp->m_next = NULL;
+	*cpp = clp;
+}
+
+/**
+ * client_lookup - look for @hname in our list of cached nfs_clients
+ * @hname: '\0'-terminated ASCII string containing hostname to look for
+ * @canonical: if set, @hname is known to be canonical DNS name
+ *
+ * Returns pointer to a matching or freshly created nfs_client.  NULL
+ * is returned if some problem occurs.
+ */
+nfs_client *
+client_lookup(char *hname, int canonical)
+{
+	nfs_client	*clp = NULL;
+	int		htype;
+	struct addrinfo	*ai = NULL;
+
+	htype = client_gettype(hname);
+
+	if (htype == MCL_FQDN && !canonical) {
+		ai = host_addrinfo(hname);
+		if (!ai) {
+			xlog(L_WARNING, "Failed to resolve %s", hname);
+			goto out;
+		}
+		hname = ai->ai_canonname;
+
+		for (clp = clientlist[htype]; clp; clp = clp->m_next)
+			if (client_check(clp, ai))
+				break;
+	} else {
+		for (clp = clientlist[htype]; clp; clp = clp->m_next) {
+			if (strcasecmp(hname, clp->m_hostname)==0)
+				break;
+		}
+	}
+
+	if (clp == NULL) {
+		clp = calloc(1, sizeof(*clp));
+		if (clp == NULL)
+			goto out;
+		clp->m_type = htype;
+		if (!client_init(clp, hname, NULL)) {
+			client_free(clp);
+			clp = NULL;
+			goto out;
+		}
+		client_add(clp);
+	}
+
+	if (htype == MCL_FQDN && clp->m_naddr == 0)
+		init_addrlist(clp, ai);
+
+out:
+	nfs_freeaddrinfo(ai);
+	return clp;
+}
+
+/**
+ * client_dup - create a copy of an nfs_client
+ * @clp: pointer to nfs_client to copy
+ * @ai: pointer to addrinfo used to initialize the new client's addrlist
+ *
+ * Returns a dynamically allocated nfs_client if successful, or
+ * NULL if some problem occurs.  Caller must free the returned
+ * nfs_client with free(3).
+ */
+nfs_client *
+client_dup(const nfs_client *clp, const struct addrinfo *ai)
+{
+	nfs_client		*new;
+
+	new = (nfs_client *)malloc(sizeof(*new));
+	if (new == NULL)
+		return NULL;
+	memcpy(new, clp, sizeof(*new));
+	new->m_type = MCL_FQDN;
+	new->m_hostname = NULL;
+
+	if (!client_init(new, ai->ai_canonname, ai)) {
+		client_free(new);
+		return NULL;
+	}
+	client_add(new);
+	return new;
+}
+
+/**
+ * client_release - drop a reference to an nfs_client record
+ *
+ */
+void
+client_release(nfs_client *clp)
+{
+	if (clp->m_count <= 0)
+		xlog(L_FATAL, "client_free: m_count <= 0!");
+	clp->m_count--;
+}
+
+/**
+ * client_freeall - deallocate all nfs_client records
+ *
+ */
+void
+client_freeall(void)
+{
+	nfs_client	*clp, **head;
+	int		i;
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		head = clientlist + i;
+		while (*head) {
+			*head = (clp = *head)->m_next;
+			client_free(clp);
+		}
+	}
+}
+
+/**
+ * client_resolve - look up an IP address
+ * @sap: pointer to socket address to resolve
+ *
+ * Returns an addrinfo structure, or NULL if some problem occurred.
+ * Caller must free the result with freeaddrinfo(3).
+ */
+struct addrinfo *
+client_resolve(const struct sockaddr *sap)
+{
+	struct addrinfo *ai = NULL;
+
+	if (clientlist[MCL_WILDCARD] || clientlist[MCL_NETGROUP])
+		ai = host_reliable_addrinfo(sap);
+	if (ai == NULL)
+		ai = host_numeric_addrinfo(sap);
+
+	return ai;
+}
+
+/**
+ * client_compose - Make a list of cached hostnames that match an IP address
+ * @ai: pointer to addrinfo containing IP address information to match
+ *
+ * Gather all known client hostnames that match the IP address, and sort
+ * the result into a comma-separated list.
+ *
+ * Returns a '\0'-terminated ASCII string containing a comma-separated
+ * sorted list of client hostnames, or NULL if no client records matched
+ * the IP address or memory could not be allocated.  Caller must free the
+ * returned string with free(3).
+ */
+char *
+client_compose(const struct addrinfo *ai)
+{
+	char *name = NULL;
+	int i;
+
+	for (i = 0 ; i < MCL_MAXTYPES; i++) {
+		nfs_client	*clp;
+		for (clp = clientlist[i]; clp ; clp = clp->m_next) {
+			if (!client_check(clp, ai))
+				continue;
+			name = add_name(name, clp->m_hostname);
+		}
+	}
+	return name;
+}
+
+/**
+ * client_member - check if @name is contained in the list @client
+ * @client: '\0'-terminated ASCII string containing
+ *		comma-separated list of hostnames
+ * @name: '\0'-terminated ASCII string containing hostname to look for
+ *
+ * Returns 1 if @name was found in @client, otherwise zero is returned.
+ */
+int
+client_member(const char *client, const char *name)
+{
+	size_t l = strlen(name);
+
+	while (*client) {
+		if (strncmp(client, name, l) == 0 &&
+		    (client[l] == ',' || client[l] == '\0'))
+			return 1;
+		client = strchr(client, ',');
+		if (client == NULL)
+			return 0;
+		client++;
+	}
+	return 0;
+}
+
+static int
+name_cmp(const char *a, const char *b)
+{
+	/* compare strings a and b, but only upto ',' in a */
+	while (*a && *b && *a != ',' && *a == *b)
+		a++, b++;
+	if (!*b && (!*a || *a == ','))
+		return 0;
+	if (!*b) return 1;
+	if (!*a || *a == ',') return -1;
+	return *a - *b;
+}
+
+static char *
+add_name(char *old, const char *add)
+{
+	size_t len = strlen(add) + 2;
+	char *new;
+	char *cp;
+	if (old) len += strlen(old);
+	
+	new = malloc(len);
+	if (!new) {
+		free(old);
+		return NULL;
+	}
+	cp = old;
+	while (cp && *cp && name_cmp(cp, add) < 0) {
+		/* step cp forward over a name */
+		char *e = strchr(cp, ',');
+		if (e)
+			cp = e+1;
+		else
+			cp = cp + strlen(cp);
+	}
+	len = cp-old;
+	if (old && len > 0) {
+		strncpy(new, old, len);
+		new[cp-old] = 0;
+	} else {
+		new[0] = 0;
+	}
+	if (cp != old && !*cp)
+		strcat(new, ",");
+	strcat(new, add);
+	if (cp && *cp) {
+		strcat(new, ",");
+		strcat(new, cp);
+	}
+	free(old);
+	return new;
+}
+
+/*
+ * Check each address listed in @ai against each address
+ * stored in @clp.  Return 1 if a match is found, otherwise
+ * zero.
+ */
+static int
+check_fqdn(const nfs_client *clp, const struct addrinfo *ai)
+{
+	int i;
+
+	for (; ai; ai = ai->ai_next)
+		for (i = 0; i < clp->m_naddr; i++)
+			if (nfs_compare_sockaddr(ai->ai_addr,
+							get_addrlist(clp, i)))
+				return 1;
+
+	return 0;
+}
+
+static _Bool
+mask_match(const uint32_t a, const uint32_t b, const uint32_t m)
+{
+	return ((a ^ b) & m) == 0;
+}
+
+static int
+check_subnet_v4(const struct sockaddr_in *address,
+		const struct sockaddr_in *mask, const struct addrinfo *ai)
+{
+	for (; ai; ai = ai->ai_next) {
+		struct sockaddr_in *sin = (struct sockaddr_in *)ai->ai_addr;
+
+		if (sin->sin_family != AF_INET)
+			continue;
+
+		if (mask_match(address->sin_addr.s_addr,
+				sin->sin_addr.s_addr,
+				mask->sin_addr.s_addr))
+			return 1;
+	}
+	return 0;
+}
+
+#ifdef IPV6_SUPPORTED
+static int
+check_subnet_v6(const struct sockaddr_in6 *address,
+		const struct sockaddr_in6 *mask, const struct addrinfo *ai)
+{
+	for (; ai; ai = ai->ai_next) {
+		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)ai->ai_addr;
+
+		if (sin6->sin6_family != AF_INET6)
+			continue;
+
+		if (mask_match(address->sin6_addr.s6_addr32[0],
+				sin6->sin6_addr.s6_addr32[0],
+				mask->sin6_addr.s6_addr32[0]) &&
+		    mask_match(address->sin6_addr.s6_addr32[1],
+				sin6->sin6_addr.s6_addr32[1],
+				mask->sin6_addr.s6_addr32[1]) &&
+		    mask_match(address->sin6_addr.s6_addr32[2],
+				sin6->sin6_addr.s6_addr32[2],
+				mask->sin6_addr.s6_addr32[2]) &&
+		    mask_match(address->sin6_addr.s6_addr32[3],
+				sin6->sin6_addr.s6_addr32[3],
+				mask->sin6_addr.s6_addr32[3]))
+			return 1;
+	}
+	return 0;
+}
+#else	/* !IPV6_SUPPORTED */
+static int
+check_subnet_v6(const struct sockaddr_in6 *UNUSED(address),
+		const struct sockaddr_in6 *UNUSED(mask),
+		const struct addrinfo *UNUSED(ai))
+{
+	return 0;
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/*
+ * Check each address listed in @ai against the subnetwork or
+ * host address stored in @clp.  Return 1 if an address in @hp
+ * matches the host address stored in @clp, otherwise zero.
+ */
+static int
+check_subnetwork(const nfs_client *clp, const struct addrinfo *ai)
+{
+	switch (get_addrlist(clp, 0)->sa_family) {
+	case AF_INET:
+		return check_subnet_v4(get_addrlist_in(clp, 0),
+				get_addrlist_in(clp, 1), ai);
+	case AF_INET6:
+		return check_subnet_v6(get_addrlist_in6(clp, 0),
+				get_addrlist_in6(clp, 1), ai);
+	}
+
+	return 0;
+}
+
+/*
+ * Check if a wildcard nfs_client record matches the canonical name
+ * or the aliases of a host.  Return 1 if a match is found, otherwise
+ * zero.
+ */
+static int
+check_wildcard(const nfs_client *clp, const struct addrinfo *ai)
+{
+	char *hname, *cname = clp->m_hostname;
+	struct hostent *hp;
+	char **ap;
+	int match;
+
+	match = 0;
+
+	hname = host_canonname(ai->ai_addr);
+	if (hname == NULL)
+		goto out;
+
+	if (wildmat(hname, cname)) {
+		match = 1;
+		goto out;
+	}
+
+	/* See if hname aliases listed in /etc/hosts or nis[+]
+	 * match the requested wildcard */
+	hp = gethostbyname(hname);
+	if (hp != NULL) {
+		for (ap = hp->h_aliases; *ap; ap++)
+			if (wildmat(*ap, cname)) {
+				match = 1;
+				goto out;
+			}
+	}
+
+out:
+	free(hname);
+	return match;
+}
+
+/*
+ * Check if @ai's hostname or aliases fall in a given netgroup.
+ * Return 1 if @ai represents a host in the netgroup, otherwise
+ * zero.
+ */
+#ifdef HAVE_INNETGR
+static int
+check_netgroup(const nfs_client *clp, const struct addrinfo *ai)
+{
+	const char *netgroup = clp->m_hostname + 1;
+	struct addrinfo *tmp = NULL;
+	struct hostent *hp;
+	char *dot, *hname, *ip;
+	int i, match;
+
+	match = 0;
+
+	hname = host_canonname(ai->ai_addr);
+	if (hname == NULL)
+		goto out;
+
+	/* First, try to match the hostname without
+	 * splitting off the domain */
+	if (innetgr(netgroup, hname, NULL, NULL)) {
+		match = 1;
+		goto out;
+	}
+
+	/* See if hname aliases listed in /etc/hosts or nis[+]
+	 * match the requested netgroup */
+	hp = gethostbyname(hname);
+	if (hp != NULL) {
+		for (i = 0; hp->h_aliases[i]; i++)
+			if (innetgr(netgroup, hp->h_aliases[i], NULL, NULL)) {
+				match = 1;
+				goto out;
+			}
+	}
+
+	/* If hname happens to be an IP address, convert it
+	 * to a the canonical DNS name bound to this address. */
+	tmp = host_pton(hname);
+	if (tmp != NULL) {
+		char *cname = host_canonname(tmp->ai_addr);
+		nfs_freeaddrinfo(tmp);
+
+		/* The resulting FQDN may be in our netgroup. */
+		if (cname != NULL) {
+			free(hname);
+			hname = cname;
+			if (innetgr(netgroup, hname, NULL, NULL)) {
+				match = 1;
+				goto out;
+			}
+		}
+	}
+
+	/* check whether the IP itself is in the netgroup */
+	ip = calloc(INET6_ADDRSTRLEN, 1);
+	if (ip == NULL)
+		goto out;
+
+	if (inet_ntop(ai->ai_family, &(((struct sockaddr_in *)ai->ai_addr)->sin_addr), ip, INET6_ADDRSTRLEN) == ip) {
+		if (innetgr(netgroup, ip, NULL, NULL)) {
+			free(hname);
+			hname = ip;
+			match = 1;
+			goto out;
+		}
+	}
+	free(ip);
+
+	/* Okay, strip off the domain (if we have one) */
+	dot = strchr(hname, '.');
+	if (dot == NULL)
+		goto out;
+
+	*dot = '\0';
+	match = innetgr(netgroup, hname, NULL, NULL);
+
+out:
+	free(hname);
+	return match;
+}
+#else	/* !HAVE_INNETGR */
+static int
+check_netgroup(__attribute__((unused)) const nfs_client *clp,
+		__attribute__((unused)) const struct addrinfo *ai)
+{
+	return 0;
+}
+#endif	/* !HAVE_INNETGR */
+
+/**
+ * client_check - check if IP address information matches a cached nfs_client
+ * @clp: pointer to a cached nfs_client record
+ * @ai: pointer to addrinfo to compare it with
+ *
+ * Returns 1 if the address information matches the cached nfs_client,
+ * otherwise zero.
+ */
+int
+client_check(const nfs_client *clp, const struct addrinfo *ai)
+{
+	switch (clp->m_type) {
+	case MCL_FQDN:
+		return check_fqdn(clp, ai);
+	case MCL_SUBNETWORK:
+		return check_subnetwork(clp, ai);
+	case MCL_WILDCARD:
+		return check_wildcard(clp, ai);
+	case MCL_NETGROUP:
+		return check_netgroup(clp, ai);
+	case MCL_ANONYMOUS:
+		return 1;
+	case MCL_GSS:
+		return 0;
+	default:
+		xlog(D_GENERAL, "%s: unrecognized client type: %d",
+				__func__, clp->m_type);
+	}
+
+	return 0;
+}
+
+/**
+ * client_gettype - determine type of nfs_client given an identifier
+ * @ident: '\0'-terminated ASCII string containing a client identifier
+ *
+ * Returns the type of nfs_client record that would be used for
+ * this client.
+ */
+int
+client_gettype(char *ident)
+{
+	char *sp;
+
+	if (ident[0] == '\0' || strcmp(ident, "*")==0)
+		return MCL_ANONYMOUS;
+	if (strncmp(ident, "gss/", 4) == 0)
+		return MCL_GSS;
+	if (ident[0] == '@') {
+#ifndef HAVE_INNETGR
+		xlog(L_WARNING, "netgroup support not compiled in");
+#endif
+		return MCL_NETGROUP;
+	}
+	for (sp = ident; *sp; sp++) {
+		if (*sp == '*' || *sp == '?' || *sp == '[')
+			return MCL_WILDCARD;
+		if (*sp == '/')
+			return MCL_SUBNETWORK;
+		if (*sp == '\\' && sp[1])
+			sp++;
+	}
+
+	return MCL_FQDN;
+}
diff --git a/support/export/export.c b/support/export/export.c
new file mode 100644
index 0000000..3e48c42
--- /dev/null
+++ b/support/export/export.c
@@ -0,0 +1,471 @@
+/*
+ * support/export/export.c
+ *
+ * Maintain list of exported file systems.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <fcntl.h>
+#include <netinet/in.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <errno.h>
+#include "xmalloc.h"
+#include "nfslib.h"
+#include "exportfs.h"
+#include "nfsd_path.h"
+#include "xlog.h"
+#include "reexport.h"
+
+exp_hash_table exportlist[MCL_MAXTYPES] = {{NULL, {{NULL,NULL}, }}, }; 
+static int export_hash(char *);
+
+static void	export_init(nfs_export *exp, nfs_client *clp,
+					struct exportent *nep);
+static void	export_add(nfs_export *exp);
+static int	export_check(const nfs_export *exp, const struct addrinfo *ai,
+				const char *path);
+
+/* Return a real path for the export. */
+static void
+exportent_mkrealpath(struct exportent *eep)
+{
+	const char *chroot = nfsd_path_nfsd_rootdir();
+	char *ret = NULL;
+
+	if (chroot) {
+		char buffer[PATH_MAX];
+		if (realpath(chroot, buffer))
+			ret = nfsd_path_prepend_dir(buffer, eep->e_path);
+		else
+			xlog(D_GENERAL, "%s: failed to resolve path %s: %m",
+					__func__, chroot);
+	}
+	if (!ret)
+		ret = xstrdup(eep->e_path);
+	eep->e_realpath = ret;
+}
+
+char *
+exportent_realpath(struct exportent *eep)
+{
+	if (!eep->e_realpath)
+		exportent_mkrealpath(eep);
+	return eep->e_realpath;
+}
+
+void
+exportent_release(struct exportent *eep)
+{
+	xfree(eep->e_squids);
+	xfree(eep->e_sqgids);
+	free(eep->e_mountpoint);
+	free(eep->e_fslocdata);
+	free(eep->e_uuid);
+	xfree(eep->e_hostname);
+	xfree(eep->e_realpath);
+}
+
+static void
+export_free(nfs_export *exp)
+{
+	exportent_release(&exp->m_export);
+	xfree(exp);
+}
+
+static void warn_duplicated_exports(nfs_export *exp, struct exportent *eep)
+{
+	if (exp->m_export.e_flags != eep->e_flags) {
+		xlog(L_ERROR, "incompatible duplicated export entries:");
+		xlog(L_ERROR, "\t%s:%s (0x%x) [IGNORED]", eep->e_hostname,
+				eep->e_path, eep->e_flags);
+		xlog(L_ERROR, "\t%s:%s (0x%x)", exp->m_export.e_hostname,
+				exp->m_export.e_path, exp->m_export.e_flags);
+	} else {
+		xlog(L_ERROR, "duplicated export entries:");
+		xlog(L_ERROR, "\t%s:%s", eep->e_hostname, eep->e_path);
+		xlog(L_ERROR, "\t%s:%s", exp->m_export.e_hostname,
+				exp->m_export.e_path);
+	}
+}
+
+/**
+ * export_read - read entries from /etc/exports
+ * @fname: name of file to read from
+ * @ignore_hosts: don't check validity of host names
+ *
+ * Returns number of read entries.
+ * @ignore_hosts can be set when the host names won't be used
+ * and when getting delays or errors due to problems with
+ * hostname looking is not acceptable.
+ */
+int
+export_read(char *fname, int ignore_hosts)
+{
+	struct exportent	*eep;
+	nfs_export		*exp;
+
+	int volumes = 0;
+	int reexport_found = 0;
+
+	setexportent(fname, "r");
+	while ((eep = getexportent(0,1)) != NULL) {
+		exp = export_lookup(eep->e_hostname, eep->e_path, ignore_hosts);
+		if (!exp) {
+			if (export_create(eep, 0))
+				/* possible complaints already logged */
+				volumes++;
+		}
+		else
+			warn_duplicated_exports(exp, eep);
+
+		if (eep->e_reexport)
+			reexport_found = 1;
+	}
+
+	if (reexport_found) {
+		for (int i = 0; i < MCL_MAXTYPES; i++) {
+			for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+				if (exp->m_export.e_reexport)
+					continue;
+
+				if (exp->m_export.e_flags & NFSEXP_FSID) {
+					xlog(L_ERROR, "When a reexport= option is present no manully assigned numerical fsid= options are allowed");
+					return -1;
+				}
+			}
+		}
+	}
+
+	endexportent();
+
+	return volumes;
+}
+
+/**
+ * export_d_read - read entries from /etc/exports.
+ * @fname: name of directory to read from
+ * @ignore_hosts: don't check validity of host names
+ *
+ * Returns number of read entries.
+ * Based on mnt_table_parse_dir() in
+ *  util-linux-ng/shlibs/mount/src/tab_parse.c
+ */
+int
+export_d_read(const char *dname, int ignore_hosts)
+{
+	int n = 0, i;
+	struct dirent **namelist = NULL;
+	int volumes = 0;
+
+
+	n = scandir(dname, &namelist, NULL, versionsort);
+	if (n < 0) {
+		if (errno == ENOENT)
+			/* Silently return */
+			return volumes;
+		xlog(L_NOTICE, "scandir %s: %s", dname, strerror(errno));
+	} else if (n == 0)
+		return volumes;
+
+	for (i = 0; i < n; i++) {
+		struct dirent *d = namelist[i];
+		size_t namesz;
+		char fname[PATH_MAX + 1];
+		int fname_len;
+
+
+		if (d->d_type != DT_UNKNOWN
+		    && d->d_type != DT_REG
+		    && d->d_type != DT_LNK)
+			continue;
+		if (*d->d_name == '.')
+			continue;
+
+#define _EXT_EXPORT_SIZ   (sizeof(_EXT_EXPORT) - 1)
+		namesz = strlen(d->d_name);
+		if (!namesz
+		    || namesz < _EXT_EXPORT_SIZ + 1
+		    || strcmp(d->d_name + (namesz - _EXT_EXPORT_SIZ),
+			      _EXT_EXPORT))
+			continue;
+
+		fname_len = snprintf(fname, PATH_MAX +1, "%s/%s", dname, d->d_name);
+		if (fname_len > PATH_MAX) {
+			xlog(L_WARNING, "Too long file name: %s in %s", d->d_name, dname);
+			continue;
+		}
+
+		volumes += export_read(fname, ignore_hosts);
+	}
+
+	for (i = 0; i < n; i++)
+		free(namelist[i]);
+	free(namelist);
+
+	return volumes;
+}
+
+/**
+ * export_create - create an in-core nfs_export record from an export entry
+ * @xep: export entry to lookup
+ * @canonical: if set, e_hostname is known to be canonical DNS name
+ *
+ * Returns a freshly instantiated export record, or NULL if
+ * a problem occurred.
+ */
+nfs_export *
+export_create(struct exportent *xep, int canonical)
+{
+	nfs_client	*clp;
+	nfs_export	*exp;
+
+	if (!(clp = client_lookup(xep->e_hostname, canonical))) {
+		/* bad export entry; complaint already logged */
+		return NULL;
+	}
+	exp = (nfs_export *) xmalloc(sizeof(*exp));
+	export_init(exp, clp, xep);
+	export_add(exp);
+
+	return exp;
+}
+
+static void
+export_init(nfs_export *exp, nfs_client *clp, struct exportent *nep)
+{
+	struct exportent	*e = &exp->m_export;
+
+	dupexportent(e, nep);
+	if (nep->e_hostname)
+		e->e_hostname = xstrdup(nep->e_hostname);
+
+	exp->m_exported = 0;
+	exp->m_xtabent = 0;
+	exp->m_mayexport = 0;
+	exp->m_changed = 0;
+	exp->m_warned = 0;
+	exp->m_client = clp;
+	clp->m_count++;
+}
+
+/*
+ * Duplicate exports data. The in-core export struct retains the
+ * original hostname from /etc/exports, while the in-core client struct
+ * gets the newly found FQDN.
+ */
+static nfs_export *
+export_dup(nfs_export *exp, const struct addrinfo *ai)
+{
+	nfs_export		*new;
+	nfs_client		*clp;
+
+	new = (nfs_export *) xmalloc(sizeof(*new));
+	memcpy(new, exp, sizeof(*new));
+	dupexportent(&new->m_export, &exp->m_export);
+	if (exp->m_export.e_hostname)
+		new->m_export.e_hostname = xstrdup(exp->m_export.e_hostname);
+	clp = client_dup(exp->m_client, ai);
+	if (clp == NULL) {
+		export_free(new);
+		return NULL;
+	}
+	clp->m_count++;
+	new->m_client = clp;
+	new->m_mayexport = exp->m_mayexport;
+	new->m_exported = 0;
+	new->m_xtabent = 0;
+	new->m_changed = 0;
+	new->m_warned = 0;
+	export_add(new);
+
+	return new;
+}
+
+static void
+export_add(nfs_export *exp)
+{
+	exp_hash_table *p_tbl;
+	exp_hash_entry *p_hen;
+	nfs_export *p_next;
+
+	int type = exp->m_client->m_type;
+	int pos;
+
+	pos = export_hash(exp->m_export.e_path);
+	p_tbl = &(exportlist[type]); /* pointer to hash table */
+	p_hen = &(p_tbl->entries[pos]); /* pointer to hash table entry */
+
+	if (!(p_hen->p_first)) { /* hash table entry is empty */ 
+ 		p_hen->p_first = exp;
+ 		p_hen->p_last  = exp;
+
+ 		exp->m_next = p_tbl->p_head;
+ 		p_tbl->p_head = exp;
+	} else { /* hash table entry is NOT empty */
+		p_next = p_hen->p_last->m_next;
+		p_hen->p_last->m_next = exp;
+		exp->m_next = p_next;
+		p_hen->p_last = exp;
+	}
+}
+
+/**
+ * export_find - find or create a suitable nfs_export for @ai and @path
+ * @ai: pointer to addrinfo for client
+ * @path: '\0'-terminated ASCII string containing export path
+ *
+ * Returns a pointer to nfs_export data matching @ai and @path,
+ * or NULL if an error occurs.
+ */
+nfs_export *
+export_find(const struct addrinfo *ai, const char *path)
+{
+	nfs_export	*exp;
+	int		i;
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (!export_check(exp, ai, path))
+				continue;
+			if (exp->m_client->m_type == MCL_FQDN)
+				return exp;
+			return export_dup(exp, ai);
+		}
+	}
+
+	return NULL;
+}
+
+/**
+ * export_lookup - search hash table for export entry
+ * @hname: '\0'-terminated ASCII string containing client hostname to look for
+ * @path: '\0'-terminated ASCII string containing export path to look for
+ * @canonical: if set, @hname is known to be canonical DNS name
+ *
+ * Returns a pointer to nfs_export record matching @hname and @path,
+ * or NULL if the export was not found.
+ */
+nfs_export *
+export_lookup(char *hname, char *path, int canonical)
+{
+	nfs_client *clp;
+	nfs_export *exp;
+	exp_hash_entry *p_hen;
+
+	int pos;
+
+	clp = client_lookup(hname, canonical);
+	if(clp == NULL)
+		return NULL;
+
+	pos = export_hash(path);
+	p_hen = &(exportlist[clp->m_type].entries[pos]); 
+	for(exp = p_hen->p_first; exp && (exp != p_hen->p_last->m_next); 
+  			exp = exp->m_next) {
+		if (exp->m_client == clp && !strcmp(exp->m_export.e_path, path)) {
+  			return exp;
+		}
+	}
+	return NULL;
+}
+
+static int
+export_check(const nfs_export *exp, const struct addrinfo *ai, const char *path)
+{
+	if (strcmp(path, exp->m_export.e_path))
+		return 0;
+
+	return client_check(exp->m_client, ai);
+}
+
+/**
+ * export_freeall - deallocate all nfs_export records
+ *
+ */
+void
+export_freeall(void)
+{
+	nfs_export	*exp, *nxt;
+	int		i, j;
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = nxt) {
+			nxt = exp->m_next;
+			client_release(exp->m_client);
+			export_free(exp);
+		}
+		for (j = 0; j < HASH_TABLE_SIZE; j++) {
+			exportlist[i].entries[j].p_first = NULL;
+			exportlist[i].entries[j].p_last = NULL;
+		}
+		exportlist[i].p_head = NULL;
+	}
+	client_freeall();
+}
+
+/*
+ * Compute and returns integer from string. 
+ * Note: Its understood the smae integers can be same for 
+ *       different strings, but it should not matter.
+ */
+static unsigned int 
+strtoint(char *str)
+{
+	int i = 0;
+	unsigned int n = 0;
+
+	while ( str[i] != '\0') {
+		n+=((int)str[i])*i;
+		i++;
+	}
+	return n;
+}
+
+/*
+ * Hash function
+ */
+static int 
+export_hash(char *str)
+{
+	unsigned int num = strtoint(str);
+
+	return num % HASH_TABLE_SIZE;
+}
+
+int export_test(struct exportent *eep, int with_fsid)
+{
+	char *path = eep->e_path;
+	int flags = eep->e_flags | (with_fsid ? NFSEXP_FSID : 0);
+	/* beside max path, buf size should take protocol str into account */
+	char buf[NFS_MAXPATHLEN+1+64] = { 0 };
+	char *bp = buf;
+	int len = sizeof(buf);
+	int fd, n;
+
+	n = snprintf(buf, len, "-test-client- ");
+	bp += n;
+	len -= n;
+	qword_add(&bp, &len, path);
+	if (len < 1)
+		return 0;
+	snprintf(bp, len, " 3 %d 65534 65534 0\n", flags);
+	fd = open("/proc/net/rpc/nfsd.export/channel", O_WRONLY);
+	if (fd < 0)
+		return 0;
+	n = nfsd_path_write(fd, buf, strlen(buf));
+	close(fd);
+	if (n < 0)
+		return 0;
+	return 1;
+}
diff --git a/support/export/export.h b/support/export/export.h
new file mode 100644
index 0000000..e2009cc
--- /dev/null
+++ b/support/export/export.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021 Red Hat <nfs@redhat.com>
+ *
+ * support/export/export.h
+ *
+ * Declarations for export support
+ */
+
+#ifndef EXPORT_H
+#define EXPORT_H
+
+#include "nfslib.h"
+#include "exportfs.h"
+
+unsigned int	auth_reload(void);
+nfs_export *	auth_authenticate(const char *what,
+					const struct sockaddr *caller,
+					const char *path);
+
+void		cache_open(void);
+void		cache_set_fds(fd_set *fdset);
+int		cache_process_req(fd_set *readfds);
+void		cache_process_loop(void);
+
+void		v4clients_init(void);
+void		v4clients_set_fds(fd_set *fdset);
+int		v4clients_process(fd_set *fdset);
+
+struct nfs_fh_len *
+		cache_get_filehandle(nfs_export *exp, int len, char *p);
+int		cache_export(nfs_export *exp, char *path);
+int		cache_fork_workers(char *prog, int num_threads);
+void		cache_wait_for_workers(char *prog);
+int		cache_process(fd_set *readfds);
+
+bool ipaddr_client_matches(nfs_export *exp, struct addrinfo *ai);
+bool namelist_client_matches(nfs_export *exp, char *dom);
+bool client_matches(nfs_export *exp, char *dom, struct addrinfo *ai);
+
+static inline bool is_ipaddr_client(char *dom)
+{
+	return dom[0] == '$';
+}
+#endif /* EXPORT__H */
diff --git a/support/export/fsloc.c b/support/export/fsloc.c
new file mode 100644
index 0000000..1b869b6
--- /dev/null
+++ b/support/export/fsloc.c
@@ -0,0 +1,203 @@
+/*
+ * COPYRIGHT (c) 2006
+ * THE REGENTS OF THE UNIVERSITY OF MICHIGAN
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization.  If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+
+#include "fsloc.h"
+#include "exportfs.h"
+
+/* Debugging tool: prints out @servers info to syslog */
+static void replicas_print(struct servers *sp)
+{
+	int i;
+	if (!sp) {
+		xlog(L_NOTICE, "NULL replicas pointer");
+		return;
+	}
+	xlog(L_NOTICE, "replicas listsize=%i", sp->h_num);
+	for (i=0; i<sp->h_num; i++) {
+		xlog(L_NOTICE, "    %s:%s",
+		       sp->h_mp[i]->h_host, sp->h_mp[i]->h_path);
+	}
+}
+
+#ifdef DEBUG
+/* Called by setting 'Method = stub' in config file.  Just returns
+ * some syntactically correct gibberish for testing purposes.
+ */
+static struct servers *method_stub(char *key)
+{
+	struct servers *sp;
+	struct mount_point *mp;
+
+	xlog(L_NOTICE, "called method_stub\n");
+	sp = malloc(sizeof(struct servers));
+	if (!sp)
+		return NULL;
+	mp = calloc(1, sizeof(struct mount_point));
+	if (!mp) {
+		free(sp);
+		return NULL;
+	}
+	sp->h_num = 1;
+	sp->h_mp[0] = mp;
+	mp->h_host = strdup("stub_server");
+	mp->h_path = strdup("/my/test/path");
+	sp->h_referral = 1;
+	return sp;
+}
+#endif	/* DEBUG */
+
+/* Scan @list, which is a NULL-terminated array of strings of the
+ * form path@host[+host], and return corresponding servers structure.
+ */
+static struct servers *parse_list(char **list)
+{
+	int i;
+	struct servers *res;
+	struct mount_point *mp;
+	char *cp;
+
+	res = malloc(sizeof(struct servers));
+	if (!res)
+		return NULL;
+	res->h_num = 0;
+
+	/* parse each of the answers in sucession. */
+	for (i=0; list[i] && i<FSLOC_MAX_LIST; i++) {
+		mp = calloc(1, sizeof(struct mount_point));
+		if (!mp) {
+			release_replicas(res);
+			return NULL;
+		}
+		cp = strchr(list[i], '@');
+		if ((!cp) || list[i][0] != '/') {
+			xlog(L_WARNING, "invalid entry '%s'", list[i]);
+			free(mp);
+			continue; /* XXX Need better error handling */
+		}
+		res->h_mp[i] = mp;
+		res->h_num++;
+		mp->h_path = strndup(list[i], cp - list[i]);
+		cp++;
+		mp->h_host = strdup(cp);
+		/* hosts are '+' separated, kernel expects ':' separated */
+		while ( (cp = strchr(mp->h_host, '+')) )
+		       *cp = ':';
+	}
+	return res;
+}
+
+/* @data is a string of form path@host[+host][:path@host[+host]]
+ */
+static struct servers *method_list(char *data)
+{
+	char *copy, *ptr=data, *p;
+	char **list;
+	int i, listsize;
+	struct servers *rv=NULL;
+	bool v6esc = false;
+
+	xlog(L_NOTICE, "method_list(%s)", data);
+	for (ptr--, listsize=1; ptr; ptr=strchr(ptr, ':'), listsize++)
+		ptr++;
+	list = malloc(listsize * sizeof(char *));
+	copy = strdup(data);
+	if (copy)
+		xlog(L_NOTICE, "converted to %s", copy);
+	if (list && copy) {
+		ptr = copy;
+		for (p = ptr, i = 0; *p && i < listsize; p++) {
+			if (*p == '[')
+				v6esc = true;
+			else if (*p == ']')
+				v6esc = false;
+
+			if (!v6esc && *p == ':') {
+				*p = '\0';
+				if (*ptr)
+					list[i++] = ptr;
+				ptr = p + 1;
+			}
+		}
+		if (*ptr)
+			list[i++] = ptr;
+		list[i] = NULL;
+		rv = parse_list(list);
+	}
+	free(copy);
+	free(list);
+	replicas_print(rv);
+	return rv;
+}
+
+/* Returns appropriately filled struct servers, or NULL if had a problem */
+struct servers *replicas_lookup(int method, char *data)
+{
+	struct servers *sp=NULL;
+	switch(method) {
+	case FSLOC_NONE:
+		break;
+	case FSLOC_REFER:
+		sp = method_list(data);
+		if (sp)
+			sp->h_referral = 1;
+		break;
+	case FSLOC_REPLICA:
+		sp = method_list(data);
+		if (sp)
+			sp->h_referral = 0;
+		break;
+#ifdef DEBUG
+	case FSLOC_STUB:
+		sp = method_stub(data);
+		break;
+#endif
+	default:
+		xlog(L_WARNING, "Unknown method = %i", method);
+	}
+	replicas_print(sp);
+	return sp;
+}
+
+void release_replicas(struct servers *server)
+{
+	int i;
+
+	if (!server) return;
+	for (i = 0; i < server->h_num; i++) {
+		free(server->h_mp[i]->h_host);
+		free(server->h_mp[i]->h_path);
+		free(server->h_mp[i]);
+	}
+	free(server);
+}
diff --git a/support/export/hostname.c b/support/export/hostname.c
new file mode 100644
index 0000000..be4d7f6
--- /dev/null
+++ b/support/export/hostname.c
@@ -0,0 +1,366 @@
+/*
+ * Copyright 2010 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <errno.h>
+
+#include "sockaddr.h"
+#include "exportfs.h"
+
+/**
+ * host_ntop - generate presentation address given a sockaddr
+ * @sap: pointer to socket address
+ * @buf: working storage
+ * @buflen: size of @buf in bytes
+ *
+ * Returns a pointer to a @buf.
+ */
+#ifdef HAVE_GETNAMEINFO
+char *
+host_ntop(const struct sockaddr *sap, char *buf, const size_t buflen)
+{
+	socklen_t salen = nfs_sockaddr_length(sap);
+	int error;
+
+	memset(buf, 0, buflen);
+
+	if (salen == 0) {
+		(void)strncpy(buf, "bad family", buflen - 1);
+		return buf;
+	}
+
+	error = getnameinfo(sap, salen, buf, (socklen_t)buflen,
+						NULL, 0, NI_NUMERICHOST);
+	if (error != 0) {
+		buf[0] = '\0';
+		(void)strncpy(buf, "bad address", buflen - 1);
+	}
+
+	return buf;
+}
+#else	/* !HAVE_GETNAMEINFO */
+char *
+host_ntop(const struct sockaddr *sap, char *buf, const size_t buflen)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)(char *)sap;
+
+	memset(buf, 0, buflen);
+
+	if (sin->sin_family != AF_INET) {
+		(void)strncpy(buf, "bad family", buflen - 1);
+		return buf;
+	}
+
+	if (inet_ntop(AF_INET, &sin->sin_addr.s_addr, buf, buflen) != NULL)
+		return buf;
+
+	buf[0] = '\0';
+	(void)strncpy(buf, "bad address", buflen - 1);
+	return buf;
+}
+#endif	/* !HAVE_GETNAMEINFO */
+
+/**
+ * host_pton - return addrinfo for a given presentation address
+ * @paddr: pointer to a '\0'-terminated ASCII string containing an
+ *		IP presentation address
+ *
+ * Returns address info structure, or NULL if an error occurs.  Caller
+ * must free the returned structure with freeaddrinfo(3).
+ */
+__attribute__((__malloc__))
+struct addrinfo *
+host_pton(const char *paddr)
+{
+	struct addrinfo *ai = NULL;
+	struct addrinfo hint = {
+		/* don't return duplicates */
+		.ai_protocol	= (int)IPPROTO_UDP,
+		.ai_flags	= AI_NUMERICHOST,
+		.ai_family	= AF_UNSPEC,
+	};
+	struct sockaddr_in sin;
+	int error, inet4;
+
+	/*
+	 * Although getaddrinfo(3) is easier to use and supports
+	 * IPv6, it recognizes incomplete addresses like "10.4"
+	 * as valid AF_INET addresses.  It also accepts presentation
+	 * addresses that end with a blank.
+	 *
+	 * inet_pton(3) is much stricter.  Use it to be certain we
+	 * have a real AF_INET presentation address, before invoking
+	 * getaddrinfo(3) to generate the full addrinfo list.
+	 */
+	if (paddr == NULL) {
+		xlog(D_GENERAL, "%s: passed a NULL presentation address",
+			__func__);
+		return NULL;
+	}
+	inet4 = 1;
+	if (inet_pton(AF_INET, paddr, &sin.sin_addr) == 0)
+		inet4 = 0;
+
+	error = getaddrinfo(paddr, NULL, &hint, &ai);
+	switch (error) {
+	case 0:
+		if (!inet4 && ai->ai_addr->sa_family == AF_INET) {
+			xlog(D_GENERAL, "%s: failed to convert %s",
+					__func__, paddr);
+			nfs_freeaddrinfo(ai);
+			break;
+		}
+		return ai;
+	case EAI_NONAME:
+		break;
+	case EAI_SYSTEM:
+		xlog(L_WARNING, "%s: failed to convert %s: (%d) %m",
+				__func__, paddr, errno);
+		break;
+	default:
+		xlog(L_WARNING, "%s: failed to convert %s: %s",
+				__func__, paddr, gai_strerror(error));
+		break;
+	}
+
+	return NULL;
+}
+
+/**
+ * host_addrinfo - return addrinfo for a given hostname
+ * @hostname: pointer to a '\0'-terminated ASCII string containing a hostname
+ *
+ * Returns address info structure with ai_canonname filled in, or NULL
+ * if no information is available for @hostname.  Caller must free the
+ * returned structure with freeaddrinfo(3).
+ */
+__attribute__((__malloc__))
+struct addrinfo *
+host_addrinfo(const char *hostname)
+{
+	struct addrinfo *ai = NULL;
+	struct addrinfo hint = {
+#ifdef IPV6_SUPPORTED
+		.ai_family	= AF_UNSPEC,
+#else
+		.ai_family	= AF_INET,
+#endif
+		/* don't return duplicates */
+		.ai_protocol	= (int)IPPROTO_UDP,
+		.ai_flags	= AI_CANONNAME,
+	};
+	int error;
+
+	error = getaddrinfo(hostname, NULL, &hint, &ai);
+	switch (error) {
+	case 0:
+		return ai;
+	case EAI_SYSTEM:
+		xlog(D_PARSE, "%s: failed to resolve %s: (%d) %m",
+				__func__, hostname, errno);
+		break;
+	default:
+		xlog(D_PARSE, "%s: failed to resolve %s: %s",
+				__func__, hostname, gai_strerror(error));
+		break;
+	}
+
+	return NULL;
+}
+
+/**
+ * host_canonname - return canonical hostname bound to an address
+ * @sap: pointer to socket address to look up
+ *
+ * Discover the canonical hostname associated with the given socket
+ * address.  The host's reverse mapping is verified in the process.
+ *
+ * Returns a '\0'-terminated ASCII string containing a hostname, or
+ * NULL if no hostname can be found for @sap.  Caller must free
+ * the string.
+ */
+#ifdef HAVE_GETNAMEINFO
+__attribute__((__malloc__))
+char *
+host_canonname(const struct sockaddr *sap)
+{
+	socklen_t salen = nfs_sockaddr_length(sap);
+	char buf[NI_MAXHOST];
+	int error;
+
+	if (salen == 0) {
+		xlog(D_GENERAL, "%s: unsupported address family %d",
+				__func__, sap->sa_family);
+		return NULL;
+	}
+
+	memset(buf, 0, sizeof(buf));
+	error = getnameinfo(sap, salen, buf, (socklen_t)sizeof(buf),
+							NULL, 0, NI_NAMEREQD);
+	switch (error) {
+	case 0:
+		break;
+	case EAI_SYSTEM:
+		xlog(D_GENERAL, "%s: getnameinfo(3) failed: (%d) %m",
+				__func__, errno);
+		return NULL;
+	default:
+		(void)getnameinfo(sap, salen, buf, (socklen_t)sizeof(buf),
+							NULL, 0, NI_NUMERICHOST);
+		xlog(D_PARSE, "%s: failed to resolve %s: %s",
+				__func__, buf, gai_strerror(error));
+		return NULL;
+	}
+
+	return strdup(buf);
+}
+#else	/* !HAVE_GETNAMEINFO */
+__attribute__((__malloc__))
+char *
+host_canonname(const struct sockaddr *sap)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)(char *)sap;
+	const struct in_addr *addr = &sin->sin_addr;
+	struct hostent *hp;
+
+	if (sap->sa_family != AF_INET)
+		return NULL;
+
+	hp = gethostbyaddr(addr, (socklen_t)sizeof(addr), AF_INET);
+	if (hp == NULL)
+		return NULL;
+
+	return strdup(hp->h_name);
+}
+#endif	/* !HAVE_GETNAMEINFO */
+
+/**
+ * host_reliable_addrinfo - return addrinfo for a given address
+ * @sap: pointer to socket address to look up
+ *
+ * Reverse and forward lookups are performed to ensure the address has
+ * matching forward and reverse mappings.
+ *
+ * Returns addrinfo structure with just the provided address. If there
+ * is a problem with resolution or the resolved records don't match up
+ * properly then returns NULL.
+ *
+ * Caller must free the returned structure with freeaddrinfo(3).
+ */
+__attribute__((__malloc__))
+struct addrinfo *
+host_reliable_addrinfo(const struct sockaddr *sap)
+{
+	struct addrinfo *ai, *a;
+	char *hostname;
+
+	ai = NULL;
+	hostname = host_canonname(sap);
+	if (hostname == NULL)
+		goto out;
+
+	ai = host_addrinfo(hostname);
+	free(hostname);
+	if (!ai)
+		goto out;
+
+	/* make sure there's a matching address in the list */
+	for (a = ai; a; a = a->ai_next)
+		if (nfs_compare_sockaddr(a->ai_addr, sap))
+			break;
+
+	nfs_freeaddrinfo(ai);
+	ai = NULL;
+	if (!a)
+		goto out;
+
+	/* get addrinfo with just the original address */
+	ai = host_numeric_addrinfo(sap);
+
+out:
+	return ai;
+}
+
+/**
+ * host_numeric_addrinfo - return addrinfo without doing DNS queries
+ * @sap: pointer to socket address
+ *
+ * Returns address info structure, or NULL if an error occurred.
+ * Caller must free the returned structure with freeaddrinfo(3).
+ */
+#ifdef HAVE_GETNAMEINFO
+__attribute__((__malloc__))
+struct addrinfo *
+host_numeric_addrinfo(const struct sockaddr *sap)
+{
+	socklen_t salen = nfs_sockaddr_length(sap);
+	char buf[INET6_ADDRSTRLEN];
+	int error;
+
+	if (salen == 0) {
+		xlog(D_GENERAL, "%s: unsupported address family %d",
+				__func__, sap->sa_family);
+		return NULL;
+	}
+
+	memset(buf, 0, sizeof(buf));
+	error = getnameinfo(sap, salen, buf, (socklen_t)sizeof(buf),
+						NULL, 0, NI_NUMERICHOST);
+	switch (error) {
+	case 0:
+		break;
+	case EAI_SYSTEM:
+		xlog(D_GENERAL, "%s: getnameinfo(3) failed: (%d) %m",
+				__func__, errno);
+		return NULL;
+	default:
+		xlog(D_GENERAL, "%s: getnameinfo(3) failed: %s",
+				__func__, gai_strerror(error));
+		return NULL;
+	}
+
+	return host_pton(buf);
+}
+#else	/* !HAVE_GETNAMEINFO */
+__attribute__((__malloc__))
+struct addrinfo *
+host_numeric_addrinfo(const struct sockaddr *sap)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+	const struct in_addr *addr = &sin->sin_addr;
+	char buf[INET_ADDRSTRLEN];
+
+	if (sap->sa_family != AF_INET)
+		return NULL;
+
+	memset(buf, 0, sizeof(buf));
+	if (inet_ntop(AF_INET, (char *)addr, buf,
+					(socklen_t)sizeof(buf)) == NULL)
+		return NULL;
+
+	return host_pton(buf);
+}
+#endif	/* !HAVE_GETNAMEINFO */
diff --git a/support/export/mount.x b/support/export/mount.x
new file mode 100644
index 0000000..12fd841
--- /dev/null
+++ b/support/export/mount.x
@@ -0,0 +1,343 @@
+%/*
+% * Copyright (c) 2009, Sun Microsystems, Inc.
+% * All rights reserved.
+% *
+% * Redistribution and use in source and binary forms, with or without
+% * modification, are permitted provided that the following conditions are met:
+% * - Redistributions of source code must retain the above copyright notice,
+% *   this list of conditions and the following disclaimer.
+% * - Redistributions in binary form must reproduce the above copyright notice,
+% *   this list of conditions and the following disclaimer in the documentation
+% *   and/or other materials provided with the distribution.
+% * - Neither the name of Sun Microsystems, Inc. nor the names of its
+% *   contributors may be used to endorse or promote products derived
+% *   from this software without specific prior written permission.
+% *
+% * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+% * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+% * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+% * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+% * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+% * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+% * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+% * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+% * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+% * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+% * POSSIBILITY OF SUCH DAMAGE.
+% */
+
+%/*
+% * Copyright (c) 1985, 1990 by Sun Microsystems, Inc.
+% */
+%
+%/* from @(#)mount.x	1.3 91/03/11 TIRPC 1.0 */
+
+/*
+ * Protocol description for the mount program
+ */
+
+#ifdef RPC_HDR
+%#ifndef _rpcsvc_mount_h
+%#define _rpcsvc_mount_h
+%#include <memory.h>
+#endif
+
+const MNTPATHLEN = 1024;	/* maximum bytes in a pathname argument */
+const MNTNAMLEN = 255;		/* maximum bytes in a name argument */
+const FHSIZE = 32;		/* size in bytes of a file handle */
+
+/*
+ * The fhandle is the file handle that the server passes to the client.
+ * All file operations are done using the file handles to refer to a file
+ * or a directory. The file handle can contain whatever information the
+ * server needs to distinguish an individual file.
+ */
+typedef opaque fhandle[FHSIZE];	
+
+/*
+ * If a status of zero is returned, the call completed successfully, and 
+ * a file handle for the directory follows. A non-zero status indicates
+ * some sort of error. The status corresponds with UNIX error numbers.
+ */
+union fhstatus switch (unsigned fhs_status) {
+case 0:
+	fhandle fhs_fhandle;
+default:
+	void;
+};
+
+/*
+ * The type dirpath is the pathname of a directory
+ */
+typedef string dirpath<MNTPATHLEN>;
+
+/*
+ * The type name is used for arbitrary names (hostnames, groupnames)
+ */
+typedef string name<MNTNAMLEN>;
+
+/*
+ * A list of who has what mounted
+ */
+typedef struct mountbody *mountlist;
+struct mountbody {
+	name ml_hostname;
+	dirpath ml_directory;
+	mountlist ml_next;
+};
+
+/*
+ * A list of netgroups
+ */
+typedef struct groupnode *groups;
+struct groupnode {
+	name gr_name;
+	groups gr_next;
+};
+
+/*
+ * A list of what is exported and to whom
+ */
+typedef struct exportnode *exports;
+struct exportnode {
+	dirpath ex_dir;
+	groups ex_groups;
+	exports ex_next;
+};
+
+/*
+ * POSIX pathconf information
+ */
+struct ppathcnf {
+	int	pc_link_max;	/* max links allowed */
+	short	pc_max_canon;	/* max line len for a tty */
+	short	pc_max_input;	/* input a tty can eat all at once */
+	short	pc_name_max;	/* max file name length (dir entry) */
+	short	pc_path_max;	/* max path name length (/x/y/x/.. ) */
+	short	pc_pipe_buf;	/* size of a pipe (bytes) */
+	u_char	pc_vdisable;	/* safe char to turn off c_cc[i] */
+	char	pc_xxx;		/* alignment padding; cc_t == char */
+	short	pc_mask[2];	/* validity and boolean bits */
+};
+
+/*
+ * NFSv3 file handle
+ */
+const FHSIZE3 =	64;		/* max size of NFSv3 file handle in bytes */
+typedef opaque		fhandle3<FHSIZE3>;
+
+/*
+ * NFSv3 mount status
+ */
+enum mountstat3 {
+	MNT_OK			= 0,	/* no error */
+	MNT3ERR_PERM		= 1,	/* not owner */
+	MNT3ERR_NOENT		= 2,	/* no such file or directory */
+	MNT3ERR_IO		= 5,	/* I/O error */
+	MNT3ERR_ACCES		= 13,	/* Permission denied */
+	MNT3ERR_NOTDIR		= 20,	/* Not a directory */
+	MNT3ERR_INVAL		= 22,	/* Invalid argument */
+	MNT3ERR_NAMETOOLONG	= 63,	/* File name too long */
+	MNT3ERR_NOTSUPP		= 10004,/* Operation not supported */
+	MNT3ERR_SERVERFAULT	= 10006	/* A failure on the server */
+};
+
+/*
+ * NFSv3 mount result
+ */
+struct mountres3_ok {
+	fhandle3	fhandle;
+	int		auth_flavors<>;
+};
+
+union mountres3 switch (mountstat3 fhs_status) {
+case MNT_OK:
+	mountres3_ok	mountinfo; /* File handle and supported flavors */
+default:
+	void;
+};
+
+program MOUNTPROG {
+	/*
+	 * Version one of the mount protocol communicates with version two
+	 * of the NFS protocol. The only connecting point is the fhandle 
+	 * structure, which is the same for both protocols.
+	 */
+	version MOUNTVERS {
+		/*
+		 * Does no work. It is made available in all RPC services
+		 * to allow server reponse testing and timing
+		 */
+		void
+		MOUNTPROC_NULL(void) = 0;
+
+		/*	
+		 * If fhs_status is 0, then fhs_fhandle contains the
+	 	 * file handle for the directory. This file handle may
+		 * be used in the NFS protocol. This procedure also adds
+		 * a new entry to the mount list for this client mounting
+		 * the directory.
+		 * Unix authentication required.
+		 */
+		fhstatus 
+		MOUNTPROC_MNT(dirpath) = 1;
+
+		/*
+		 * Returns the list of remotely mounted filesystems. The 
+		 * mountlist contains one entry for each hostname and 
+		 * directory pair.
+		 */
+		mountlist
+		MOUNTPROC_DUMP(void) = 2;
+
+		/*
+		 * Removes the mount list entry for the directory
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNT(dirpath) = 3;
+
+		/*
+		 * Removes all of the mount list entries for this client
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNTALL(void) = 4;
+
+		/*
+		 * Returns a list of all the exported filesystems, and which
+		 * machines are allowed to import it.
+		 */
+		exports
+		MOUNTPROC_EXPORT(void)  = 5;
+
+		/*
+		 * Identical to MOUNTPROC_EXPORT above
+		 */
+		exports
+		MOUNTPROC_EXPORTALL(void) = 6;
+	} = 1;
+
+	/*
+	 * Version two of the mount protocol communicates with version two
+	 * of the NFS protocol.
+	 * The only difference from version one is the addition of a POSIX
+	 * pathconf call.
+	 */
+	version MOUNTVERS_POSIX {
+		/*
+		 * Does no work. It is made available in all RPC services
+		 * to allow server reponse testing and timing
+		 */
+		void
+		MOUNTPROC_NULL(void) = 0;
+
+		/*	
+		 * If fhs_status is 0, then fhs_fhandle contains the
+	 	 * file handle for the directory. This file handle may
+		 * be used in the NFS protocol. This procedure also adds
+		 * a new entry to the mount list for this client mounting
+		 * the directory.
+		 * Unix authentication required.
+		 */
+		fhstatus 
+		MOUNTPROC_MNT(dirpath) = 1;
+
+		/*
+		 * Returns the list of remotely mounted filesystems. The 
+		 * mountlist contains one entry for each hostname and 
+		 * directory pair.
+		 */
+		mountlist
+		MOUNTPROC_DUMP(void) = 2;
+
+		/*
+		 * Removes the mount list entry for the directory
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNT(dirpath) = 3;
+
+		/*
+		 * Removes all of the mount list entries for this client
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC_UMNTALL(void) = 4;
+
+		/*
+		 * Returns a list of all the exported filesystems, and which
+		 * machines are allowed to import it.
+		 */
+		exports
+		MOUNTPROC_EXPORT(void)  = 5;
+
+		/*
+		 * Identical to MOUNTPROC_EXPORT above
+		 */
+		exports
+		MOUNTPROC_EXPORTALL(void) = 6;
+
+		/*
+		 * POSIX pathconf info (Sun hack)
+		 */
+		ppathcnf
+		MOUNTPROC_PATHCONF(dirpath) = 7;
+	} = 2;
+
+	/*
+	 * Version 3 of the protocol is for NFSv3
+	 */
+	version MOUNTVERS_NFSV3 {
+		/*
+		 * Does no work. It is made available in all RPC services
+		 * to allow server reponse testing and timing
+		 */
+		void
+		MOUNTPROC3_NULL(void) = 0;
+
+		/*	
+		 * If fhs_status is 0, then fhs_fhandle contains the
+	 	 * file handle for the directory. This file handle may
+		 * be used in the NFS protocol. This procedure also adds
+		 * a new entry to the mount list for this client mounting
+		 * the directory.
+		 * Unix authentication required.
+		 */
+		mountres3 
+		MOUNTPROC3_MNT(dirpath) = 1;
+
+		/*
+		 * Returns the list of remotely mounted filesystems. The 
+		 * mountlist contains one entry for each hostname and 
+		 * directory pair.
+		 */
+		mountlist
+		MOUNTPROC3_DUMP(void) = 2;
+
+		/*
+		 * Removes the mount list entry for the directory
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC3_UMNT(dirpath) = 3;
+
+		/*
+		 * Removes all of the mount list entries for this client
+		 * Unix authentication required.
+		 */
+		void
+		MOUNTPROC3_UMNTALL(void) = 4;
+
+		/*
+		 * Returns a list of all the exported filesystems, and which
+		 * machines are allowed to import it.
+		 */
+		exports
+		MOUNTPROC3_EXPORT(void)  = 5;
+	} = 3;
+} = 100005;
+
+#ifdef RPC_HDR
+%#endif /*!_rpcsvc_mount_h*/
+#endif
diff --git a/support/export/v4clients.c b/support/export/v4clients.c
new file mode 100644
index 0000000..3230251
--- /dev/null
+++ b/support/export/v4clients.c
@@ -0,0 +1,233 @@
+/*
+ * support/export/v4clients.c
+ *
+ * Montior clients appearing in, and disappearing from, /proc/fs/nfsd/clients
+ * and log relevant information.
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/inotify.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include "export.h"
+
+/* search.h declares 'struct entry' and nfs_prot.h
+ * does too.  Easiest fix is to trick search.h into
+ * calling its struct "struct Entry".
+ */
+#define entry Entry
+#include <search.h>
+#undef entry
+
+static int clients_fd = -1;
+
+void v4clients_init(void)
+{
+	struct stat sb;
+
+	if (stat("/proc/fs/nfsd/clients", &sb) != 0 ||
+	    !S_ISDIR(sb.st_mode))
+		return;
+	if (clients_fd >= 0)
+		return;
+	clients_fd = inotify_init1(IN_NONBLOCK);
+	if (clients_fd < 0) {
+		xlog_err("Unable to initialise v4clients watcher: %s\n",
+			 strerror(errno));
+		return;
+	}
+	if (inotify_add_watch(clients_fd, "/proc/fs/nfsd/clients",
+			      IN_CREATE | IN_DELETE) < 0) {
+		xlog_err("Unable to watch /proc/fs/nfsd/clients: %s\n",
+			 strerror(errno));
+		close(clients_fd);
+		clients_fd = -1;
+		return;
+	}
+}
+
+void v4clients_set_fds(fd_set *fdset)
+{
+	if (clients_fd >= 0)
+		FD_SET(clients_fd, fdset);
+}
+
+static void *tree_root;
+static int have_unconfirmed;
+
+struct ent {
+	unsigned long num;
+	char *clientid;
+	char *addr;
+	int vers;
+	int unconfirmed;
+	int wid;
+};
+
+static int ent_cmp(const void *av, const void *bv)
+{
+	const struct ent *a = av;
+	const struct ent *b = bv;
+
+	if (a->num < b->num)
+		return -1;
+	if (a->num > b->num)
+		return 1;
+	return 0;
+}
+
+static void free_ent(struct ent *ent)
+{
+	free(ent->clientid);
+	free(ent->addr);
+	free(ent);
+}
+
+static char *dup_line(char *line)
+{
+	char *ret;
+	char *e = strchr(line, '\n');
+	if (!e)
+		e = line + strlen(line);
+	ret = malloc(e - line + 1);
+	if (ret) {
+		memcpy(ret, line, e - line);
+		ret[e-line] = 0;
+	}
+	return ret;
+}
+
+static void read_info(struct ent *key)
+{
+	char buf[2048];
+	char *path;
+	int was_unconfirmed = key->unconfirmed;
+	FILE *f;
+
+	if (asprintf(&path, "/proc/fs/nfsd/clients/%lu/info", key->num) < 0)
+		return;
+
+	f = fopen(path, "r");
+	if (!f) {
+		free(path);
+		return;
+	}
+	if (key->wid < 0)
+		key->wid = inotify_add_watch(clients_fd, path, IN_MODIFY);
+
+	while (fgets(buf, sizeof(buf), f)) {
+		if (strncmp(buf, "clientid: ", 10) == 0) {
+			free(key->clientid);
+			key->clientid = dup_line(buf+10);
+		}
+		if (strncmp(buf, "address: ", 9) == 0) {
+			free(key->addr);
+			key->addr = dup_line(buf+9);
+		}
+		if (strncmp(buf, "minor version: ", 15) == 0)
+			key->vers = atoi(buf+15);
+		if (strncmp(buf, "status: ", 8) == 0 &&
+		    strstr(buf, " unconfirmed") != NULL) {
+			key->unconfirmed = 1;
+			have_unconfirmed = 1;
+		}
+		if (strncmp(buf, "status: ", 8) == 0 &&
+		    strstr(buf, " confirmed") != NULL)
+			key->unconfirmed = 0;
+	}
+	fclose(f);
+	free(path);
+
+	if (was_unconfirmed && !key->unconfirmed)
+		xlog(L_NOTICE, "v4.%d client attached: %s from %s",
+		     key->vers, key->clientid ?: "-none-",
+		     key->addr ?: "-none-");
+	if (!key->unconfirmed && key->wid >= 0) {
+		inotify_rm_watch(clients_fd, key->wid);
+		key->wid = -1;
+	}
+}
+
+static void add_id(int id)
+{
+	struct ent **ent;
+	struct ent *key;
+
+	key = calloc(1, sizeof(*key));
+	if (!key) {
+		return;
+	}
+	key->num = id;
+	key->wid = -1;
+
+	ent = tsearch(key, &tree_root, ent_cmp);
+
+	if (!ent || *ent != key)
+		/* Already existed, or insertion failed */
+		free_ent(key);
+	else
+		read_info(key);
+}
+
+static void del_id(unsigned long id)
+{
+	struct ent key = {.num = id};
+	struct ent **e, *ent;
+
+	e = tfind(&key, &tree_root, ent_cmp);
+	if (!e || !*e)
+		return;
+	ent = *e;
+	tdelete(ent, &tree_root, ent_cmp);
+	if (!ent->unconfirmed)
+		xlog(L_NOTICE, "v4.%d client detached: %s from %s",
+		     ent->vers, ent->clientid, ent->addr);
+	if (ent->wid >= 0)
+		inotify_rm_watch(clients_fd, ent->wid);
+	free_ent(ent);
+}
+
+static void check_id(unsigned long id)
+{
+	struct ent key = {.num = id};
+	struct ent **e, *ent;
+
+	e = tfind(&key, &tree_root, ent_cmp);
+	if (!e || !*e)
+		return;
+	ent = *e;
+	if (ent->unconfirmed)
+		read_info(ent);
+}
+
+int v4clients_process(fd_set *fdset)
+{
+	char buf[4096] __attribute__((aligned(__alignof__(struct inotify_event))));
+	const struct inotify_event *ev;
+	ssize_t len;
+	char *ptr;
+
+	if (clients_fd < 0 ||
+	    !FD_ISSET(clients_fd, fdset))
+		return 0;
+
+	while ((len = read(clients_fd, buf, sizeof(buf))) > 0) {
+		for (ptr = buf; ptr < buf + len;
+		     ptr += sizeof(struct inotify_event) + ev->len) {
+			int id;
+			ev = (const struct inotify_event *)ptr;
+
+			id = atoi(ev->name);
+			if (id <= 0)
+				continue;
+			if (ev->mask & IN_CREATE)
+				add_id(id);
+			if (ev->mask & IN_DELETE)
+				del_id(id);
+			if (ev->mask & IN_MODIFY)
+				check_id(id);
+		}
+	}
+	return 1;
+}
diff --git a/support/export/v4root.c b/support/export/v4root.c
new file mode 100644
index 0000000..03805dc
--- /dev/null
+++ b/support/export/v4root.c
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2009 Red Hat <nfs@redhat.com>
+ *
+ * support/export/v4root.c
+ *
+ * Routines used to support NFSv4 pseudo roots
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/queue.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <unistd.h>
+#include <errno.h>
+#include <uuid/uuid.h>
+
+#include "xlog.h"
+#include "exportfs.h"
+#include "nfslib.h"
+#include "misc.h"
+#include "v4root.h"
+#include "pseudoflavors.h"
+
+static nfs_export pseudo_root = {
+	.m_next = NULL,
+	.m_client = NULL,
+	.m_export = {
+		.e_hostname = "*",
+		.e_path = "/",
+		.e_flags = NFSEXP_READONLY
+				| NFSEXP_NOSUBTREECHECK | NFSEXP_FSID
+				| NFSEXP_V4ROOT | NFSEXP_INSECURE_PORT,
+		.e_anonuid = 65534,
+		.e_anongid = 65534,
+		.e_squids = NULL,
+		.e_nsquids = 0,
+		.e_sqgids = NULL,
+		.e_nsqgids = 0,
+		.e_fsid = 0,
+		.e_mountpoint = NULL,
+		.e_ttl = 0,
+	},
+	.m_exported = 0,
+	.m_xtabent = 1,
+	.m_mayexport = 1,
+	.m_changed = 0,
+	.m_warned = 0,
+};
+
+static void
+set_pseudofs_security(struct exportent *pseudo)
+{
+	struct flav_info *flav;
+	int i;
+
+	for (flav = flav_map; flav < flav_map + flav_map_size; flav++) {
+		struct sec_entry *new;
+
+		if (!flav->fnum)
+			continue;
+		if (flav->need_krb5 && access("/etc/krb5.keytab", F_OK) != 0)
+			continue;
+
+		i = secinfo_addflavor(flav, pseudo);
+		new = &pseudo->e_secinfo[i];
+
+		new->flags |= NFSEXP_INSECURE_PORT;
+	}
+}
+
+/*
+ * Create a pseudo export
+ */
+static struct exportent *
+v4root_create(char *path, nfs_export *export)
+{
+	nfs_export *exp;
+	struct exportent eep;
+	struct exportent *curexp = &export->m_export;
+
+	dupexportent(&eep, &pseudo_root.m_export);
+	eep.e_ttl = default_ttl;
+	eep.e_hostname = curexp->e_hostname;
+	strncpy(eep.e_path, path, sizeof(eep.e_path)-1);
+	if (strcmp(path, "/") != 0)
+		eep.e_flags &= ~NFSEXP_FSID;
+
+	if (strcmp(path, "/") != 0 &&
+	    !export_test(&eep, 0)) {
+		/* Need a uuid - base it on path using a fixed seed that
+		 * was generated randomly.
+		 */
+		const char seed_s[] = "39c6b5c1-3f24-4f4e-977c-7fe6546b8a25";
+		uuid_t seed, uuid;
+		char uuid_s[UUID_STR_LEN];
+		unsigned int i, j;
+
+		uuid_parse(seed_s, seed);
+		uuid_generate_sha1(uuid, seed, path, strlen(path));
+		uuid_unparse_upper(uuid, uuid_s);
+		/* strip hyhens */
+		for (i = j = 0; uuid_s[i]; i++)
+			if (uuid_s[i] != '-')
+				uuid_s[j++] = uuid_s[i];
+		eep.e_uuid = uuid_s;
+	}
+	set_pseudofs_security(&eep);
+	exp = export_create(&eep, 0);
+	if (exp == NULL)
+		return NULL;
+	xlog(D_CALL, "v4root_create: path '%s' flags 0x%x",
+		exp->m_export.e_path, exp->m_export.e_flags);
+	return &exp->m_export;
+}
+
+/*
+ * Make sure the kernel has pseudo root support.
+ */
+static int
+v4root_support(void)
+{
+	struct export_features *ef;
+	static int warned = 0;
+
+	ef = get_export_features();
+
+	if (ef->flags & NFSEXP_V4ROOT)
+		return 1;
+	if (!warned) {
+		xlog(L_WARNING, "Kernel does not have pseudo root support.");
+		xlog(L_WARNING, "NFS v4 mounts will be disabled unless fsid=0");
+		xlog(L_WARNING, "is specfied in /etc/exports file.");
+		warned++;
+	}
+	return 0;
+}
+
+static int
+pseudofs_update(char *hostname, char *path, nfs_export *source)
+{
+	nfs_export *exp;
+
+	exp = export_lookup(hostname, path, 0);
+	if (exp && !(exp->m_export.e_flags & NFSEXP_V4ROOT))
+		return 0;
+	if (!exp) {
+		if (v4root_create(path, source) == NULL) {
+			xlog(L_WARNING, "v4root_set: Unable to create "
+					"pseudo export for '%s'", path);
+			return -ENOMEM;
+		}
+		return 0;
+	}
+	/* Update an existing V4ROOT export: */
+	set_pseudofs_security(&exp->m_export);
+	return 0;
+}
+
+static int v4root_add_parents(nfs_export *exp)
+{
+	char *hostname = exp->m_export.e_hostname;
+	char *path;
+	char *ptr;
+	int ret = 0;
+
+	path = strdup(exp->m_export.e_path);
+	if (!path) {
+		xlog(L_WARNING, "v4root_add_parents: Unable to create "
+				"pseudo export for '%s'", exp->m_export.e_path);
+		return -ENOMEM;
+	}
+	for (ptr = path; ptr; ptr = strchr(ptr, '/')) {
+		char saved;
+
+		saved = *ptr;
+		*ptr = '\0';
+		ret = pseudofs_update(hostname, *path ? path : "/", exp);
+		if (ret)
+			break;
+		*ptr = saved;
+		ptr++;
+	}
+	free(path);
+	return ret;
+}
+
+/*
+ * Create pseudo exports by running through the real export
+ * looking at the components of the path that make up the export.
+ * Those path components, if not exported, will become pseudo
+ * exports allowing them to be found when the kernel does an upcall
+ * looking for components of the v4 mount.
+ */
+void
+v4root_set(void)
+{
+	nfs_export	*exp;
+	int	i;
+
+	if (!v4root_needed)
+		return;
+	if (!v4root_support())
+		return;
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (exp->m_export.e_flags & NFSEXP_V4ROOT)
+				/*
+				 * We just added this one, so its
+				 * parents are already dealt with!
+				 */
+				continue;
+
+			if (strcmp(exp->m_export.e_path, "/") == 0 &&
+			    !(exp->m_export.e_flags & NFSEXP_FSID)) {
+				/* Force '/' to be exported as fsid == 0*/
+				exp->m_export.e_flags |= NFSEXP_FSID;
+				exp->m_export.e_fsid = 0;
+			}
+
+			v4root_add_parents(exp);
+			/* XXX: error handling! */
+		}
+	}
+}
diff --git a/support/export/xtab.c b/support/export/xtab.c
new file mode 100644
index 0000000..e210ca9
--- /dev/null
+++ b/support/export/xtab.c
@@ -0,0 +1,256 @@
+/*
+ * support/export/xtab.c
+ *
+ * Interface to the etab/exports file.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <libgen.h>
+
+#include "nfslib.h"
+#include "exportfs.h"
+#include "xio.h"
+#include "xlog.h"
+#include "v4root.h"
+#include "misc.h"
+
+static char state_base_dirname[PATH_MAX] = NFS_STATEDIR;
+struct state_paths etab;
+
+int v4root_needed;
+static void cond_rename(char *newfile, char *oldfile);
+
+static int
+xtab_read(char *xtab, char *lockfn, int is_export)
+{
+    /* is_export == 0  => reading /proc/fs/nfs/exports - we know these things are exported to kernel
+     * is_export == 1  => reading /var/lib/nfs/etab - these things are allowed to be exported
+     */
+	struct exportent	*xp;
+	nfs_export		*exp;
+	int			lockid;
+
+	if ((lockid = xflock(lockfn, "r")) < 0)
+		return 0;
+	setexportent(xtab, "r");
+	if (is_export == 1)
+		v4root_needed = 1;
+	while ((xp = getexportent(is_export==0, 0)) != NULL) {
+		if (!(exp = export_lookup(xp->e_hostname, xp->e_path, is_export != 1)) &&
+		    !(exp = export_create(xp, is_export!=1))) {
+                        if(xp->e_hostname) {
+                            free(xp->e_hostname);
+                            xp->e_hostname=NULL;
+                        }
+                        if(xp->e_uuid) {
+                            free(xp->e_uuid);
+                            xp->e_uuid=NULL;
+                        }
+			continue;
+		}
+		switch (is_export) {
+		case 0:
+			exp->m_exported = 1;
+			break;
+		case 1:
+			exp->m_xtabent = 1;
+			exp->m_mayexport = 1;
+			if ((xp->e_flags & NFSEXP_FSID) && xp->e_fsid == 0)
+				v4root_needed = 0;
+			break;
+		}  
+                if(xp->e_hostname) {
+                    free(xp->e_hostname);
+                    xp->e_hostname=NULL;
+                }
+                if(xp->e_uuid) {
+                    free(xp->e_uuid);
+                    xp->e_uuid=NULL;
+                }
+
+	}
+	endexportent();
+	xfunlock(lockid);
+
+	return 0;
+}
+
+int
+xtab_export_read(void)
+{
+	return xtab_read(etab.statefn, etab.lockfn, 1);
+}
+
+/*
+ * mountd now keeps an open fd for the etab at all times to make sure that the
+ * inode number changes when the xtab_export_write is done. If you change the
+ * routine below such that the files are edited in place, then you'll need to
+ * fix the auth_reload logic as well...
+ */
+static int
+xtab_write(char *xtab, char *xtabtmp, char *lockfn, int is_export)
+{
+	struct exportent	xe;
+	nfs_export		*exp;
+	int			lockid, i;
+
+	if ((lockid = xflock(lockfn, "w")) < 0) {
+		xlog(L_ERROR, "can't lock %s for writing", xtab);
+		return 0;
+	}
+	setexportent(xtabtmp, "w");
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (is_export && !exp->m_xtabent)
+				continue;
+			if (!is_export && ! exp->m_exported)
+				continue;
+
+			/* write out the export entry using the FQDN */
+			xe = exp->m_export;
+			xe.e_hostname = exp->m_client->m_hostname;
+			putexportent(&xe);
+		}
+	}
+	endexportent();
+
+	cond_rename(xtabtmp, xtab);
+
+	xfunlock(lockid);
+
+	return 1;
+}
+
+int
+xtab_export_write(void)
+{
+	return xtab_write(etab.statefn, etab.tmpfn, etab.lockfn, 1);
+}
+
+/*
+ * rename newfile onto oldfile unless
+ * they are identical
+ */
+static void cond_rename(char *newfile, char *oldfile)
+{
+	int nfd, ofd;
+	char nbuf[4096], obuf[4096];
+	int ncnt, ocnt;
+
+	nfd = open(newfile, 0);
+	if (nfd < 0)
+		return;
+	ofd = open(oldfile, 0);
+	if (ofd < 0) {
+		close(nfd);
+		rename(newfile, oldfile);
+		return;
+	}
+
+	do {
+		ncnt = read(nfd, nbuf, sizeof(nbuf));
+		if (ncnt < 0)
+			break;
+		ocnt = read(ofd, obuf, sizeof(obuf));
+		if (ocnt < 0)
+			break;
+		if (ncnt != ocnt)
+			break;
+		if (ncnt == 0) {
+			close(nfd);
+			close(ofd);
+			unlink(newfile);
+			return;
+		}
+	} while (memcmp(obuf, nbuf, ncnt) == 0);
+
+	/* some mis-match */
+	close(nfd);
+	close(ofd);
+	rename(newfile, oldfile);
+	return;
+}
+
+/*
+ * Returns a dynamically allocated, '\0'-terminated buffer
+ * containing an appropriate pathname, or NULL if an error
+ * occurs.  Caller must free the returned result with free(3).
+ */
+static char *
+state_make_pathname(const char *tabname)
+{
+	return generic_make_pathname(state_base_dirname, tabname);
+}
+
+/**
+ * state_setup_basedir - set up basedir
+ * @progname: C string containing name of program, for error messages
+ * @parentdir: C string containing pathname to on-disk state, or NULL
+ *
+ * This runs before logging is set up, so error messages are directed
+ * to stderr.
+ *
+ * Returns true and sets up our basedir, if @parentdir was valid
+ * and usable; otherwise false is returned.
+ */
+_Bool
+state_setup_basedir(const char *progname, const char *parentdir)
+{
+	return generic_setup_basedir(progname, parentdir, state_base_dirname,
+				     PATH_MAX);
+}
+
+int
+setup_state_path_names(const char *progname, const char *statefn,
+		      const char *tmpfn, const char *lockfn,
+		      struct state_paths *paths)
+{
+	paths->statefn = state_make_pathname(statefn);
+	if (!paths->statefn) {
+		fprintf(stderr, "%s: state_make_pathname(%s) failed\n",
+			progname, statefn);
+		goto out_err;
+	}
+	paths->tmpfn = state_make_pathname(tmpfn);
+	if (!paths->tmpfn) {
+		fprintf(stderr, "%s: state_make_pathname(%s) failed\n",
+			progname, tmpfn);
+		goto out_free_statefn;
+	}
+	paths->lockfn = state_make_pathname(lockfn);
+	if (!paths->lockfn) {
+		fprintf(stderr, "%s: state_make_pathname(%s) failed\n",
+			progname, lockfn);
+		goto out_free_tmpfn;
+	}
+	return 1;
+
+out_free_tmpfn:
+	free(paths->tmpfn);
+out_free_statefn:
+	free(paths->statefn);
+out_err:
+	return 0;
+
+}
+
+void
+free_state_path_names(struct state_paths *paths)
+{
+	free(paths->statefn);
+	free(paths->tmpfn);
+	free(paths->lockfn);
+}
diff --git a/support/include/Makefile.am b/support/include/Makefile.am
new file mode 100644
index 0000000..1373891
--- /dev/null
+++ b/support/include/Makefile.am
@@ -0,0 +1,31 @@
+## Process this file with automake to produce Makefile.in
+
+SUBDIRS = nfs rpcsvc sys
+
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+	exportfs.h \
+	ha-callout.h \
+	junction.h \
+	misc.h \
+	nfs_mntent.h \
+	nfs_paths.h \
+	nfsd_path.h \
+	nfslib.h \
+	nfsrpc.h \
+	nls.h \
+	nsm.h \
+	pseudoflavors.h \
+	rpcmisc.h \
+	sockaddr.h \
+	tcpwrapper.h \
+	v4root.h \
+	workqueue.h \
+	xio.h \
+	xlog.h \
+	xmalloc.h \
+	xcommon.h \
+	xstat.h \
+	conffile.h
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/support/include/Makefile.in b/support/include/Makefile.in
new file mode 100644
index 0000000..9dc7624
--- /dev/null
+++ b/support/include/Makefile.in
@@ -0,0 +1,760 @@
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+
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+
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+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+SUBDIRS = nfs rpcsvc sys
+noinst_HEADERS = \
+	cld.h \
+	exportfs.h \
+	ha-callout.h \
+	junction.h \
+	misc.h \
+	nfs_mntent.h \
+	nfs_paths.h \
+	nfsd_path.h \
+	nfslib.h \
+	nfsrpc.h \
+	nls.h \
+	nsm.h \
+	pseudoflavors.h \
+	rpcmisc.h \
+	sockaddr.h \
+	tcpwrapper.h \
+	v4root.h \
+	workqueue.h \
+	xio.h \
+	xlog.h \
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+	xcommon.h \
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+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
+	  include_option=--etags-include; \
+	  empty_fix=.; \
+	else \
+	  include_option=--include; \
+	  empty_fix=; \
+	fi; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test ! -f $$subdir/TAGS || \
+	      set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
+	  fi; \
+	done; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-recursive
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-recursive
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    $(am__make_dryrun) \
+	      || test -d "$(distdir)/$$subdir" \
+	      || $(MKDIR_P) "$(distdir)/$$subdir" \
+	      || exit 1; \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
+	    $(am__relativize); \
+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
+	    $(am__relativize); \
+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-recursive
+all-am: Makefile $(HEADERS) config.h
+installdirs: installdirs-recursive
+installdirs-am:
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-hdr distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: $(am__recursive_targets) all install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am check \
+	check-am clean clean-generic clean-libtool cscopelist-am ctags \
+	ctags-am distclean distclean-generic distclean-hdr \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs installdirs-am maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/include/cld.h b/support/include/cld.h
new file mode 100644
index 0000000..88d3b63
--- /dev/null
+++ b/support/include/cld.h
@@ -0,0 +1,94 @@
+/*
+ * Upcall description for nfsdcld communication
+ *
+ * Copyright (c) 2012 Red Hat, Inc.
+ * Author(s): Jeff Layton <jlayton@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _NFSD_CLD_H
+#define _NFSD_CLD_H
+
+/* latest upcall version available */
+#define CLD_UPCALL_VERSION 2
+
+/* defined by RFC3530 */
+#define NFS4_OPAQUE_LIMIT 1024
+
+#ifndef SHA256_DIGEST_SIZE
+#define SHA256_DIGEST_SIZE      32
+#endif
+
+enum cld_command {
+	Cld_Create,		/* create a record for this cm_id */
+	Cld_Remove,		/* remove record of this cm_id */
+	Cld_Check,		/* is this cm_id allowed? */
+	Cld_GraceDone,		/* grace period is complete */
+	Cld_GraceStart,		/* grace start (upload client records) */
+	Cld_GetVersion,		/* query max supported upcall version */
+};
+
+/* representation of long-form NFSv4 client ID */
+struct cld_name {
+	uint16_t	cn_len;				/* length of cm_id */
+	unsigned char	cn_id[NFS4_OPAQUE_LIMIT];	/* client-provided */
+} __attribute__((packed));
+
+/* sha256 hash of the kerberos principal */
+struct cld_princhash {
+	uint8_t		cp_len;				/* length of cp_data */
+	unsigned char	cp_data[SHA256_DIGEST_SIZE];	/* hash of principal */
+} __attribute__((packed));
+
+struct cld_clntinfo {
+	struct cld_name		cc_name;
+	struct cld_princhash	cc_princhash;
+} __attribute__((packed));
+
+/* message struct for communication with userspace */
+struct cld_msg {
+	uint8_t		cm_vers;		/* upcall version */
+	uint8_t		cm_cmd;			/* upcall command */
+	int16_t		cm_status;		/* return code */
+	uint32_t	cm_xid;			/* transaction id */
+	union {
+		int64_t		cm_gracetime;	/* grace period start time */
+		struct cld_name	cm_name;
+		uint8_t		cm_version;	/* for getting max version */
+	} __attribute__((packed)) cm_u;
+} __attribute__((packed));
+
+/* version 2 message can include hash of kerberos principal */
+struct cld_msg_v2 {
+	uint8_t		cm_vers;		/* upcall version */
+	uint8_t		cm_cmd;			/* upcall command */
+	int16_t		cm_status;		/* return code */
+	uint32_t	cm_xid;			/* transaction id */
+	union {
+		struct cld_name	cm_name;
+		uint8_t		cm_version;	/* for getting max version */
+		struct cld_clntinfo cm_clntinfo; /* name & princ hash */
+	} __attribute__((packed)) cm_u;
+} __attribute__((packed));
+
+struct cld_msg_hdr {
+	uint8_t		cm_vers;		/* upcall version */
+	uint8_t		cm_cmd;			/* upcall command */
+	int16_t		cm_status;		/* return code */
+	uint32_t	cm_xid;			/* transaction id */
+} __attribute__((packed));
+
+#endif /* !_NFSD_CLD_H */
diff --git a/support/include/conffile.h b/support/include/conffile.h
new file mode 100644
index 0000000..c4a3ca6
--- /dev/null
+++ b/support/include/conffile.h
@@ -0,0 +1,87 @@
+/* $OpenBSD: conf.h,v 1.30 2004/06/25 20:25:34 hshoexer Exp $	 */
+/* $EOM: conf.h,v 1.13 2000/09/18 00:01:47 ho Exp $	 */
+
+/*
+ * Copyright (c) 1998, 1999, 2001 Niklas Hallqvist.  All rights reserved.
+ * Copyright (c) 2000, 2003 Håkan Olsson.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This code was written under funding by Ericsson Radio Systems.
+ */
+
+#ifndef _CONFFILE_H_
+#define _CONFFILE_H_
+
+#include <sys/queue.h>
+#include <ctype.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+struct conf_list_node {
+	TAILQ_ENTRY(conf_list_node) link;
+	char	*field;
+};
+
+struct conf_list {
+	size_t	cnt;
+	TAILQ_HEAD(conf_list_fields_head, conf_list_node) fields;
+};
+
+extern int      conf_begin(void);
+extern int      conf_decode_base64(uint8_t *, uint32_t *, const unsigned char *);
+extern int      conf_end(int, int);
+extern void     conf_free_list(struct conf_list *);
+extern struct sockaddr *conf_get_address(const char *, const char *);
+extern struct conf_list *conf_get_list(const char *, const char *);
+extern struct conf_list *conf_get_tag_list(const char *, const char *);
+extern int      conf_get_num(const char *, const char *, int);
+extern _Bool    conf_get_bool(const char *, const char *, _Bool);
+extern char    *conf_get_str(const char *, const char *);
+extern char    *conf_get_str_with_def(const char *, const char *, char *);
+extern char    *conf_get_section(const char *, const char *, const char *);
+extern char    *conf_get_entry(const char *, const char *, const char *);
+extern int      conf_init_file(const char *);
+extern void     conf_cleanup(void);
+extern int      conf_match_num(const char *, const char *, int);
+extern int      conf_remove(int, const char *, const char *);
+extern int      conf_remove_section(int, const char *);
+extern void     conf_report(FILE *);
+extern int      conf_write(const char *, const char *, const char *, const char *, const char *);
+
+extern const char *modified_by;
+
+/*
+ * Convert letter from upper case to lower case
+ */
+static inline void upper2lower(char *str)
+{
+	char c;
+
+	while ((c = tolower(*str)))
+		*str++ = c;
+}
+
+
+#endif				/* _CONFFILE_H_ */
diff --git a/support/include/config.h.in b/support/include/config.h.in
new file mode 100644
index 0000000..54d6211
--- /dev/null
+++ b/support/include/config.h.in
@@ -0,0 +1,653 @@
+/* support/include/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if the `closedir' function returns void instead of int. */
+#undef CLOSEDIR_VOID
+
+/* Define to 1 if using 'alloca.c'. */
+#undef C_ALLOCA
+
+/* Enable GUMS mapping library support */
+#undef ENABLE_GUMS
+
+/* Enable LDAP Support */
+#undef ENABLE_LDAP
+
+/* Enable LDAP SASL support */
+#undef ENABLE_LDAP_SASL
+
+/* Define to the type of elements in the array set by `getgroups'. Usually
+   this is either `int' or `gid_t'. */
+#undef GETGROUPS_T
+
+/* Define to 1 if you have the `alarm' function. */
+#undef HAVE_ALARM
+
+/* Define to 1 if you have 'alloca', as a function or macro. */
+#undef HAVE_ALLOCA
+
+/* Define to 1 if <alloca.h> works. */
+#undef HAVE_ALLOCA_H
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define to 1 if you have the `atexit' function. */
+#undef HAVE_ATEXIT
+
+/* Define to 1 if your rpcsec library provides authgss_free_private_data */
+#undef HAVE_AUTHGSS_FREE_PRIVATE_DATA
+
+/* Define this if you want to use BSD signal semantics */
+#undef HAVE_BSD_SIGNALS
+
+/* Define to 1 if you have the <com_err.h> header file. */
+#undef HAVE_COM_ERR_H
+
+/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_DIRENT_H
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
+#undef HAVE_DOPRNT
+
+/* Define to 1 if you have the `dup2' function. */
+#undef HAVE_DUP2
+
+/* Define to 1 if you have the <et/com_err.h> header file. */
+#undef HAVE_ET_COM_ERR_H
+
+/* Define to 1 if you have the <event2/event.h> header file. */
+#undef HAVE_EVENT2_EVENT_H
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `fdatasync' function. */
+#undef HAVE_FDATASYNC
+
+/* Define to 1 if you have the `find_key_by_type_and_desc' function. */
+#undef HAVE_FIND_KEY_BY_TYPE_AND_DESC
+
+/* Define to 1 if you have the `fork' function. */
+#undef HAVE_FORK
+
+/* Define to 1 if you have the `fstatat' function. */
+#undef HAVE_FSTATAT
+
+/* Define to 1 if you have the `ftruncate' function. */
+#undef HAVE_FTRUNCATE
+
+/* Define to 1 if the system has the `format' function attribute */
+#undef HAVE_FUNC_ATTRIBUTE_FORMAT
+
+/* Define to 1 if you have the `getcwd' function. */
+#undef HAVE_GETCWD
+
+/* Define to 1 if your system has a working `getgroups' function. */
+#undef HAVE_GETGROUPS
+
+/* Define to 1 if you have the `gethostbyaddr' function. */
+#undef HAVE_GETHOSTBYADDR
+
+/* Define to 1 if you have the `gethostbyname' function. */
+#undef HAVE_GETHOSTBYNAME
+
+/* Define to 1 if you have the `gethostname' function. */
+#undef HAVE_GETHOSTNAME
+
+/* Define to 1 if you have the `getifaddrs' function. */
+#undef HAVE_GETIFADDRS
+
+/* Define to 1 if you have the `getmntent' function. */
+#undef HAVE_GETMNTENT
+
+/* Define to 1 if you have the `getnameinfo' function. */
+#undef HAVE_GETNAMEINFO
+
+/* Define to 1 if you have the `getrandom' function. */
+#undef HAVE_GETRANDOM
+
+/* Define to 1 if you have the `getrpcbyname' function. */
+#undef HAVE_GETRPCBYNAME
+
+/* Define to 1 if you have the `getrpcbynumber' function. */
+#undef HAVE_GETRPCBYNUMBER
+
+/* Define to 1 if you have the `getrpcbynumber_r' function. */
+#undef HAVE_GETRPCBYNUMBER_R
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_GENERIC_H
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_H
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_KRB5_H
+
+/* Define to 1 if you have the <gssapi.h> header file. */
+#undef HAVE_GSSAPI_H
+
+/* Define to 1 if you have the <gsssasl.h> header file. */
+#undef HAVE_GSSSASL_H
+
+/* Has gss_krb5_ccache_name function */
+#undef HAVE_GSS_KRB5_CCACHE_NAME
+
+/* Define this if the Kerberos GSS library supports
+   gss_krb5_free_lucid_sec_context */
+#undef HAVE_GSS_KRB5_FREE_LUCID_SEC_CONTEXT
+
+/* Define to 1 if you have the `hasmntopt' function. */
+#undef HAVE_HASMNTOPT
+
+/* Define this if you have Heimdal Kerberos libraries */
+#undef HAVE_HEIMDAL
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#undef HAVE_IFADDRS_H
+
+/* Define to 1 if you have the `inet_ntoa' function. */
+#undef HAVE_INET_NTOA
+
+/* Define to 1 if you have the `innetgr' function. */
+#undef HAVE_INNETGR
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define this if you want junction support compiled in */
+#undef HAVE_JUNCTION_SUPPORT
+
+/* Define to 1 if you have the <keyutils.h> header file. */
+#undef HAVE_KEYUTILS_H
+
+/* Define this if you have MIT Kerberos libraries */
+#undef HAVE_KRB5
+
+/* Define this if the function krb5_get_error_message is available */
+#undef HAVE_KRB5_GET_ERROR_MESSAGE
+
+/* Define this if the function krb5_get_init_creds_opt_set_addressless is
+   available */
+#undef HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS
+
+/* Define to 1 if you have the <krb5.h> header file. */
+#undef HAVE_KRB5_H
+
+/* Has ldap_sasl_interactive_bind_s function */
+#undef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#undef HAVE_LIBGEN_H
+
+/* Define to 1 if you have the `gssglue' library (-lgssglue). */
+#undef HAVE_LIBGSSGLUE
+
+/* Define to 1 if you have the <libintl.h> header file. */
+#undef HAVE_LIBINTL_H
+
+/* Define to 1 if you have libpthread. */
+#undef HAVE_LIBPTHREAD
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+#undef HAVE_LIBRESOLV
+
+/* Define to 1 if you have and wish to use libtirpc. */
+#undef HAVE_LIBTIRPC
+
+/* Define to 1 if your tirpc library provides libtirpc_set_debug */
+#undef HAVE_LIBTIRPC_SET_DEBUG
+
+/* tcp-wrapper */
+#undef HAVE_LIBWRAP
+
+/* Define to 1 if you have and wish to use libxml2. */
+#undef HAVE_LIBXML2
+
+/* Define to 1 if you have the <limits.h> header file. */
+#undef HAVE_LIMITS_H
+
+/* Define to 1 if `lstat' has the bug that it succeeds when given the
+   zero-length file name argument. */
+#undef HAVE_LSTAT_EMPTY_STRING_BUG
+
+/* Define this if the Kerberos GSS library supports
+   gss_krb5_export_lucid_sec_context */
+#undef HAVE_LUCID_CONTEXT_SUPPORT
+
+/* Define to 1 if you have the <malloc.h> header file. */
+#undef HAVE_MALLOC_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `memset' function. */
+#undef HAVE_MEMSET
+
+/* Define to 1 if you have the <minix/config.h> header file. */
+#undef HAVE_MINIX_CONFIG_H
+
+/* Define to 1 if you have the `mkdir' function. */
+#undef HAVE_MKDIR
+
+/* Define to 1 if you have the `name_to_handle_at' function. */
+#undef HAVE_NAME_TO_HANDLE_AT
+
+/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
+#undef HAVE_NDIR_H
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Bundled lib always has the `nfs4_set_debug' function. */
+#undef HAVE_NFS4_SET_DEBUG
+
+/* Define this if you want NFSv4 server only support compiled in */
+#undef HAVE_NFSV4SERVER_SUPPORT
+
+/* Define to 1 if you have the `pathconf' function. */
+#undef HAVE_PATHCONF
+
+/* Define to 1 if you have the <paths.h> header file. */
+#undef HAVE_PATHS_H
+
+/* Define to 1 if you have the `ppoll' function. */
+#undef HAVE_PPOLL
+
+/* Define to 1 if you have the <pthread.h> header file. */
+#undef HAVE_PTHREAD_H
+
+/* Define to 1 if you have the `realpath' function. */
+#undef HAVE_REALPATH
+
+/* Define to 1 if you have the `rmdir' function. */
+#undef HAVE_RMDIR
+
+/* Define to 1 if you have the <sasl.h> header file. */
+#undef HAVE_SASL_H
+
+/* Define to 1 if you have the <sasl/sasl.h> header file. */
+#undef HAVE_SASL_SASL_H
+
+/* Define to 1 if you have the <sched.h> header file. */
+#undef HAVE_SCHED_H
+
+/* Define to 1 if you have the `select' function. */
+#undef HAVE_SELECT
+
+/* Define this if the Kerberos GSS library supports
+   gss_krb5_set_allowable_enctypes */
+#undef HAVE_SET_ALLOWABLE_ENCTYPES
+
+/* Define to 1 if you have the `sigprocmask' function. */
+#undef HAVE_SIGPROCMASK
+
+/* Define to 1 if you have the `socket' function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if you have the <sqlite3.h> header file. */
+#undef HAVE_SQLITE3_H
+
+/* Define to 1 if you have the `statx' function. */
+#undef HAVE_STATX
+
+/* Define to 1 if `stat' has the bug that it succeeds when given the
+   zero-length file name argument. */
+#undef HAVE_STAT_EMPTY_STRING_BUG
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#undef HAVE_STDIO_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define to 1 if you have the `strchr' function. */
+#undef HAVE_STRCHR
+
+/* Define to 1 if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the `strerror' function. */
+#undef HAVE_STRERROR
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strrchr' function. */
+#undef HAVE_STRRCHR
+
+/* Define to 1 if you have the `strtol' function. */
+#undef HAVE_STRTOL
+
+/* Define to 1 if you have the `strtoul' function. */
+#undef HAVE_STRTOUL
+
+/* Define to 1 if the system has the type `struct file_handle'. */
+#undef HAVE_STRUCT_FILE_HANDLE
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/capability.h> header file. */
+#undef HAVE_SYS_CAPABILITY_H
+
+/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_DIR_H
+
+/* Define to 1 if you have the <sys/file.h> header file. */
+#undef HAVE_SYS_FILE_H
+
+/* Define to 1 if you have the <sys/inotify.h> header file. */
+#undef HAVE_SYS_INOTIFY_H
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/mount.h> header file. */
+#undef HAVE_SYS_MOUNT_H
+
+/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_NDIR_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <sys/vfs.h> header file. */
+#undef HAVE_SYS_VFS_H
+
+/* tcp-wrapper */
+#undef HAVE_TCP_WRAPPER
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `unshare' function. */
+#undef HAVE_UNSHARE
+
+/* Define to 1 if you have the `vfork' function. */
+#undef HAVE_VFORK
+
+/* Define to 1 if you have the <vfork.h> header file. */
+#undef HAVE_VFORK_H
+
+/* Define to 1 if you have the `vprintf' function. */
+#undef HAVE_VPRINTF
+
+/* Define to 1 if you have the <wchar.h> header file. */
+#undef HAVE_WCHAR_H
+
+/* Define to 1 if `fork' works. */
+#undef HAVE_WORKING_FORK
+
+/* Define to 1 if `vfork' works. */
+#undef HAVE_WORKING_VFORK
+
+/* Define this if you want IPv6 support compiled in */
+#undef IPV6_SUPPORTED
+
+/* Define this as the Kerberos version number */
+#undef KRB5_VERSION
+
+/* tcp-wrapper */
+#undef LIBWRAP
+
+/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
+   slash. */
+#undef LSTAT_FOLLOWS_SLASHED_SYMLINK
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#undef LT_OBJDIR
+
+/* Define to 1 if `major', `minor', and `makedev' are declared in <mkdev.h>.
+   */
+#undef MAJOR_IN_MKDEV
+
+/* Define to 1 if `major', `minor', and `makedev' are declared in
+   <sysmacros.h>. */
+#undef MAJOR_IN_SYSMACROS
+
+/* This defines the location of the NFS mount configuration file */
+#undef MOUNTOPTS_CONFFILE
+
+/* Define this if you want mount to read a configuration file */
+#undef MOUNT_CONFIG
+
+/* This defines the location of NFS daemon config file */
+#undef NFS_CONFFILE
+
+/* This defines the location of the NFS state files. Warning: this must match
+   definitions in config.mk! */
+#undef NFS_STATEDIR
+
+/* Define this to the pathname where statd keeps its state file */
+#undef NSM_DEFAULT_STATEDIR
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define this to change the plugins path */
+#undef PATH_PLUGINS
+
+/* Define to the type of arg 1 for `select'. */
+#undef SELECT_TYPE_ARG1
+
+/* Define to the type of args 2, 3 and 4 for `select'. */
+#undef SELECT_TYPE_ARG234
+
+/* Define to the type of arg 5 for `select'. */
+#undef SELECT_TYPE_ARG5
+
+/* The size of `int', as computed by sizeof. */
+#undef SIZEOF_INT
+
+/* The size of `long', as computed by sizeof. */
+#undef SIZEOF_LONG
+
+/* The size of `short', as computed by sizeof. */
+#undef SIZEOF_SHORT
+
+/* The size of `size_t', as computed by sizeof. */
+#undef SIZEOF_SIZE_T
+
+/* The size of `socklen_t', as computed by sizeof. */
+#undef SIZEOF_SOCKLEN_T
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+#undef STACK_DIRECTION
+
+/* Define this to a script which can start statd on mount */
+#undef START_STATD
+
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
+#undef STDC_HEADERS
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+#undef TM_IN_SYS_TIME
+
+/* Define if you want to use blkid to find uuid of filesystems */
+#undef USE_BLKID
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable general extensions on macOS.  */
+#ifndef _DARWIN_C_SOURCE
+# undef _DARWIN_C_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable X/Open compliant socket functions that do not require linking
+   with -lxnet on HP-UX 11.11.  */
+#ifndef _HPUX_ALT_XOPEN_SOCKET_API
+# undef _HPUX_ALT_XOPEN_SOCKET_API
+#endif
+/* Identify the host operating system as Minix.
+   This macro does not affect the system headers' behavior.
+   A future release of Autoconf may stop defining this macro.  */
+#ifndef _MINIX
+# undef _MINIX
+#endif
+/* Enable general extensions on NetBSD.
+   Enable NetBSD compatibility extensions on Minix.  */
+#ifndef _NETBSD_SOURCE
+# undef _NETBSD_SOURCE
+#endif
+/* Enable OpenBSD compatibility extensions on NetBSD.
+   Oddly enough, this does nothing on OpenBSD.  */
+#ifndef _OPENBSD_SOURCE
+# undef _OPENBSD_SOURCE
+#endif
+/* Define to 1 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_SOURCE
+# undef _POSIX_SOURCE
+#endif
+/* Define to 2 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_1_SOURCE
+# undef _POSIX_1_SOURCE
+#endif
+/* Enable POSIX-compatible threading on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
+#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
+#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
+# undef __STDC_WANT_IEC_60559_BFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
+#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
+# undef __STDC_WANT_IEC_60559_DFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
+#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
+# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
+#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
+# undef __STDC_WANT_IEC_60559_TYPES_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
+#ifndef __STDC_WANT_LIB_EXT2__
+# undef __STDC_WANT_LIB_EXT2__
+#endif
+/* Enable extensions specified by ISO/IEC 24747:2009.  */
+#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
+# undef __STDC_WANT_MATH_SPEC_FUNCS__
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable X/Open extensions.  Define to 500 only if necessary
+   to make mbstate_t available.  */
+#ifndef _XOPEN_SOURCE
+# undef _XOPEN_SOURCE
+#endif
+
+
+/* Version number of package */
+#undef VERSION
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef gid_t
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+#undef inline
+#endif
+
+/* Define to `long int' if <sys/types.h> does not define. */
+#undef off_t
+
+/* Define as a signed integer type capable of holding a process identifier. */
+#undef pid_t
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef uid_t
+
+/* Define as `fork' if `vfork' does not work. */
+#undef vfork
diff --git a/support/include/exportfs.h b/support/include/exportfs.h
new file mode 100644
index 0000000..9edf0d0
--- /dev/null
+++ b/support/include/exportfs.h
@@ -0,0 +1,179 @@
+/*
+ * support/include/exportfs.h
+ *
+ * Declarations for exportfs and mountd
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef EXPORTFS_H
+#define EXPORTFS_H
+
+#include <netdb.h>
+#include <string.h>
+
+#include "sockaddr.h"
+#include "nfslib.h"
+
+enum {
+	MCL_FQDN = 0,
+	MCL_SUBNETWORK,
+	MCL_IPADDR = MCL_SUBNETWORK,
+	MCL_WILDCARD,
+	MCL_NETGROUP,
+	MCL_ANONYMOUS,
+	MCL_GSS,
+	MCL_MAXTYPES
+};
+
+enum {
+	FSLOC_NONE = 0,
+	FSLOC_REFER,
+	FSLOC_REPLICA,
+	FSLOC_STUB
+};
+
+#ifndef EXP_LOCKFILE
+#define EXP_LOCKFILE "/var/lib/nfs/export-lock"
+#endif
+
+typedef struct mclient {
+	struct mclient *	m_next;
+	char *			m_hostname;
+	int			m_type;
+	int			m_naddr;
+	union nfs_sockaddr	m_addrlist[NFSCLNT_ADDRMAX];
+	int			m_exported;	/* exported to nfsd */
+	int			m_count;
+} nfs_client;
+
+static inline const struct sockaddr *
+get_addrlist(const nfs_client *clp, const int i)
+{
+	return &clp->m_addrlist[i].sa;
+}
+
+static inline const struct sockaddr_in *
+get_addrlist_in(const nfs_client *clp, const int i)
+{
+	return &clp->m_addrlist[i].s4;
+}
+
+static inline const struct sockaddr_in6 *
+get_addrlist_in6(const nfs_client *clp, const int i)
+{
+	return &clp->m_addrlist[i].s6;
+}
+
+static inline void
+set_addrlist_in(nfs_client *clp, const int i, const struct sockaddr_in *sin)
+{
+	memcpy(&clp->m_addrlist[i].s4, sin, sizeof(*sin));
+}
+
+static inline void
+set_addrlist_in6(nfs_client *clp, const int i, const struct sockaddr_in6 *sin6)
+{
+	memcpy(&clp->m_addrlist[i].s6, sin6, sizeof(*sin6));
+}
+
+static inline void
+set_addrlist(nfs_client *clp, const int i, const struct sockaddr *sap)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		memcpy(&clp->m_addrlist[i].s4, sap, sizeof(struct sockaddr_in));
+		break;
+#ifdef IPV6_SUPPORTED
+	case AF_INET6:
+		memcpy(&clp->m_addrlist[i].s6, sap, sizeof(struct sockaddr_in6));
+		break;
+#endif
+	}
+}
+
+typedef struct mexport {
+	struct mexport *	m_next;
+	struct mclient *	m_client;
+	struct exportent	m_export;
+	int			m_exported;	/* known to knfsd. */
+	unsigned int		m_xtabent  : 1,	/* xtab entry exists */
+				m_mayexport: 1,	/* derived from xtabbed */
+				m_changed  : 1, /* options (may) have changed */
+				m_warned   : 1; /* warned about multiple exports
+						 * matching one client */
+} nfs_export;
+
+#define HASH_TABLE_SIZE 1021
+
+extern int default_ttl;
+
+typedef struct _exp_hash_entry {
+	nfs_export * p_first;
+  	nfs_export * p_last;
+} exp_hash_entry;
+
+typedef struct _exp_hash_table {
+	nfs_export * p_head;
+	exp_hash_entry entries[HASH_TABLE_SIZE];
+} exp_hash_table;
+
+extern exp_hash_table exportlist[MCL_MAXTYPES];
+
+extern nfs_client *		clientlist[MCL_MAXTYPES];
+
+nfs_client *			client_lookup(char *hname, int canonical);
+nfs_client *			client_dup(const nfs_client *clp,
+						const struct addrinfo *ai);
+int				client_gettype(char *hname);
+int				client_check(const nfs_client *clp,
+						const struct addrinfo *ai);
+void				client_release(nfs_client *);
+void				client_freeall(void);
+char *				client_compose(const struct addrinfo *ai);
+struct addrinfo *		client_resolve(const struct sockaddr *sap);
+int 				client_member(const char *client,
+						const char *name);
+
+int				export_read(char *fname, int ignore_hosts);
+int				export_d_read(const char *dname, int ignore_hosts);
+void				export_reset(nfs_export *);
+nfs_export *			export_lookup(char *hname, char *path, int caconical);
+nfs_export *			export_find(const struct addrinfo *ai,
+						const char *path);
+nfs_export *			export_create(struct exportent *, int canonical);
+void				exportent_release(struct exportent *);
+void				export_freeall(void);
+
+extern struct state_paths etab;
+int				xtab_export_read(void);
+int				xtab_export_write(void);
+
+int				secinfo_addflavor(struct flav_info *, struct exportent *);
+
+char *				host_ntop(const struct sockaddr *sap,
+						char *buf, const size_t buflen);
+__attribute__((__malloc__))
+struct addrinfo *		host_pton(const char *paddr);
+__attribute__((__malloc__))
+struct addrinfo *		host_addrinfo(const char *hostname);
+__attribute__((__malloc__))
+char *				host_canonname(const struct sockaddr *sap);
+__attribute__((__malloc__))
+struct addrinfo *		host_reliable_addrinfo(const struct sockaddr *sap);
+__attribute__((__malloc__))
+struct addrinfo *		host_numeric_addrinfo(const struct sockaddr *sap);
+
+struct nfskey *			key_lookup(char *hname);
+
+struct export_features {
+	unsigned int flags;
+	unsigned int secinfo_flags;
+};
+
+struct export_features *get_export_features(void);
+void fix_pseudoflavor_flags(struct exportent *ep);
+char *exportent_realpath(struct exportent *eep);
+int export_test(struct exportent *eep, int with_fsid);
+
+#endif /* EXPORTFS_H */
diff --git a/support/include/fsloc.h b/support/include/fsloc.h
new file mode 100644
index 0000000..1605df4
--- /dev/null
+++ b/support/include/fsloc.h
@@ -0,0 +1,50 @@
+/*
+ * COPYRIGHT (c) 2006
+ * THE REGENTS OF THE UNIVERSITY OF MICHIGAN
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization.  If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
+#ifndef FSLOC_H
+#define FSLOC_H
+
+#define FSLOC_MAX_LIST 40
+
+struct mount_point {
+	char *h_host;
+	char *h_path;
+};
+
+struct servers {
+	int h_num;
+	struct mount_point *h_mp[FSLOC_MAX_LIST];
+	int h_referral;		/* 0=replica, 1=referral */
+};
+
+struct servers *replicas_lookup(int method, char *data);
+void release_replicas(struct servers *server);
+
+#endif /* FSLOC_H */
diff --git a/support/include/ha-callout.h b/support/include/ha-callout.h
new file mode 100644
index 0000000..a454bdb
--- /dev/null
+++ b/support/include/ha-callout.h
@@ -0,0 +1,59 @@
+/*
+ * support/include/ha-callout.h
+ *
+ * High Availability NFS Callout support routines
+ *
+ * Copyright (c) 2004, Paul Clements, SteelEye Technology
+ *
+ * In order to implement HA NFS, we need several callouts at key
+ * points in statd and mountd. These callouts all come to ha_callout(),
+ * which, in turn, calls out to an ha-callout script (not part of nfs-utils;
+ * defined by -H argument to rpc.statd and rpc.mountd).
+ */
+#ifndef HA_CALLOUT_H
+#define HA_CALLOUT_H
+
+#include <sys/wait.h>
+#include <signal.h>
+
+extern char *ha_callout_prog;
+
+static inline void
+ha_callout(char *event, char *arg1, char *arg2, int arg3)
+{
+	char buf[16]; /* should be plenty */
+	pid_t pid;
+	int ret = -1;
+	struct sigaction oldact, newact;
+
+	if (!ha_callout_prog) /* HA callout is not enabled */
+		return;
+
+	sprintf(buf, "%d", arg3);
+
+	/* many daemons ignore SIGCHLD as tcpwrappers will
+	 * fork a child to do logging.  We need to wait
+	 * for a child here, so we need to un-ignore
+	 * SIGCHLD temporarily
+	 */
+	newact.sa_handler = SIG_DFL;
+	newact.sa_flags = 0;
+	sigemptyset(&newact.sa_mask);
+	sigaction(SIGCHLD, &newact, &oldact);
+	pid = fork();
+	switch (pid) {
+		case 0: execl(ha_callout_prog, ha_callout_prog,
+				event, arg1, arg2, 
+			      arg3 < 0 ? NULL : buf,
+			      NULL);
+			perror("execl");
+			_exit(2);
+		case -1: perror("fork");
+			break;
+		default: pid = waitpid(pid, &ret, 0);
+  	}
+	sigaction(SIGCHLD, &oldact, &newact);
+	xlog(D_GENERAL, "ha callout returned %d\n", WEXITSTATUS(ret));
+}
+
+#endif
diff --git a/support/include/junction.h b/support/include/junction.h
new file mode 100644
index 0000000..7257d80
--- /dev/null
+++ b/support/include/junction.h
@@ -0,0 +1,167 @@
+/*
+ * @file support/include/junction.h
+ * @brief Declarations for libjunction.a
+ */
+
+/*
+ * Copyright 2010, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#ifndef _NFS_JUNCTION_H_
+#define _NFS_JUNCTION_H_
+
+#include <stdint.h>
+
+/*
+ * The libjunction APIs use the status codes from the FedFS ADMIN
+ * protocol, which includes non-errno codes like FEDFS_ERR_NOTJUNCT.
+ */
+enum FedFsStatus {
+	FEDFS_OK = 0,
+	FEDFS_ERR_ACCESS = 1,
+	FEDFS_ERR_BADCHAR = 2,
+	FEDFS_ERR_BADNAME = 3,
+	FEDFS_ERR_NAMETOOLONG = 4,
+	FEDFS_ERR_LOOP = 5,
+	FEDFS_ERR_BADXDR = 6,
+	FEDFS_ERR_EXIST = 7,
+	FEDFS_ERR_INVAL = 8,
+	FEDFS_ERR_IO = 9,
+	FEDFS_ERR_NOSPC = 10,
+	FEDFS_ERR_NOTJUNCT = 11,
+	FEDFS_ERR_NOTLOCAL = 12,
+	FEDFS_ERR_PERM = 13,
+	FEDFS_ERR_ROFS = 14,
+	FEDFS_ERR_SVRFAULT = 15,
+	FEDFS_ERR_NOTSUPP = 16,
+	FEDFS_ERR_NSDB_ROUTE = 17,
+	FEDFS_ERR_NSDB_DOWN = 18,
+	FEDFS_ERR_NSDB_CONN = 19,
+	FEDFS_ERR_NSDB_AUTH = 20,
+	FEDFS_ERR_NSDB_LDAP = 21,
+	FEDFS_ERR_NSDB_LDAP_VAL = 22,
+	FEDFS_ERR_NSDB_NONCE = 23,
+	FEDFS_ERR_NSDB_NOFSN = 24,
+	FEDFS_ERR_NSDB_NOFSL = 25,
+	FEDFS_ERR_NSDB_RESPONSE = 26,
+	FEDFS_ERR_NSDB_FAULT = 27,
+	FEDFS_ERR_NSDB_PARAMS = 28,
+	FEDFS_ERR_NSDB_LDAP_REFERRAL = 29,
+	FEDFS_ERR_NSDB_LDAP_REFERRAL_VAL = 30,
+	FEDFS_ERR_NSDB_LDAP_REFERRAL_NOTFOLLOWED = 31,
+	FEDFS_ERR_NSDB_PARAMS_LDAP_REFERRAL = 32,
+	FEDFS_ERR_PATH_TYPE_UNSUPP = 33,
+	FEDFS_ERR_DELAY = 34,
+	FEDFS_ERR_NO_CACHE = 35,
+	FEDFS_ERR_UNKNOWN_CACHE = 36,
+	FEDFS_ERR_NO_CACHE_UPDATE = 37,
+};
+typedef enum FedFsStatus FedFsStatus;
+
+/**
+ * Contains NFS fileset location information
+ *
+ * Each of these represents one server:/rootpath pair.  The NFS
+ * implementation can coalesce multiple pairs into a single
+ * fs_location4 result if jfl_rootpath is the same across
+ * multiple servers.
+ *
+ * The nfl_server field can contain either one presentation format
+ * IP address or one DNS hostname.
+ *
+ * See Section 11.9 and 11.10 of RFC 5661 or section 4.2.2.3 and
+ * 4.2.2.4 of the NSDB protocol draft for details.
+ */
+
+struct nfs_fsloc {
+	struct nfs_fsloc	 *nfl_next;
+
+	char			 *nfl_hostname;
+	uint16_t		  nfl_hostport;
+	char			**nfl_rootpath;
+
+	struct {
+		_Bool		  nfl_varsub;
+	} nfl_flags;
+	int32_t			  nfl_currency;
+	int32_t			  nfl_validfor;
+
+	struct {
+		_Bool		  nfl_writable, nfl_going, nfl_split;
+	} nfl_genflags;
+	struct {
+		_Bool		  nfl_rdma;
+	} nfl_transflags;
+	struct {
+		uint8_t		  nfl_simul, nfl_handle, nfl_fileid;
+		uint8_t		  nfl_writever, nfl_change, nfl_readdir;
+		uint8_t		  nfl_readrank, nfl_writerank;
+		uint8_t		  nfl_readorder, nfl_writeorder;
+	} nfl_info;
+};
+
+
+/**
+ ** NFS location data management functions
+ **/
+
+void		  nfs_free_location(struct nfs_fsloc *location);
+void		  nfs_free_locations(struct nfs_fsloc *locations);
+struct nfs_fsloc *nfs_new_location(void);
+
+__attribute_malloc__
+char		**nfs_dup_string_array(char **array);
+void		  nfs_free_string_array(char **array);
+
+
+/**
+ ** NFS junction management functions
+ **/
+
+FedFsStatus	 nfs_delete_junction(const char *pathname);
+FedFsStatus	 nfs_add_junction(const char *pathname,
+				struct nfs_fsloc *locations);
+FedFsStatus	 nfs_get_locations(const char *pathname,
+				struct nfs_fsloc **locations);
+FedFsStatus	 nfs_is_prejunction(const char *pathname);
+FedFsStatus	 nfs_is_junction(const char *pathname);
+
+
+/**
+ ** Flush kernel NFS server's export cache
+ **/
+FedFsStatus	 junction_flush_exports_cache(void);
+
+/**
+ ** Pathname conversion helpers
+ **/
+void		 nsdb_free_string_array(char **strings);
+FedFsStatus	 nsdb_path_array_to_posix(char * const *path_array,
+				char **pathname);
+FedFsStatus	 nsdb_posix_to_path_array(const char *pathname,
+				char ***path_array);
+
+/**
+ ** Readability helpers
+ **/
+
+const char      *nsdb_display_fedfsstatus(const FedFsStatus status);
+void             nsdb_print_fedfsstatus(const FedFsStatus status);
+
+#endif	/* !_NFS_JUNCTION_H_ */
diff --git a/support/include/misc.h b/support/include/misc.h
new file mode 100644
index 0000000..2b0fef2
--- /dev/null
+++ b/support/include/misc.h
@@ -0,0 +1,31 @@
+/*
+ * misc.h	All that didn't fit elsewhere.
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef MISC_H
+#define MISC_H
+
+/*
+ * Generate random key, returning the length of the result. Currently,
+ * weakrandomkey generates a maximum of 20 bytes are generated, but this
+ * may change with future implementations.
+ */
+int	randomkey(unsigned char *keyout, int len);
+int	weakrandomkey(unsigned char *keyout, int len);
+
+char *generic_make_pathname(const char *, const char *);
+_Bool generic_setup_basedir(const char *, const char *, char *, const size_t);
+
+struct stat;
+
+extern int check_is_mountpoint(const char *path,
+		int (mystat)(const char *, struct stat *));
+#define is_mountpoint(path) \
+	check_is_mountpoint(path, NULL)
+
+/* size of the file pointer buffers for rpc procfs files */
+#define RPC_CHAN_BUF_SIZE 32768
+
+#endif /* MISC_H */
diff --git a/support/include/nfs/Makefile.am b/support/include/nfs/Makefile.am
new file mode 100644
index 0000000..9903ba1
--- /dev/null
+++ b/support/include/nfs/Makefile.am
@@ -0,0 +1,5 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_HEADERS = debug.h export.h nfs.h
+
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diff --git a/support/include/nfs/Makefile.in b/support/include/nfs/Makefile.in
new file mode 100644
index 0000000..00cbc35
--- /dev/null
+++ b/support/include/nfs/Makefile.in
@@ -0,0 +1,601 @@
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+enable_ipv6 = @enable_ipv6@
+enable_mountconfig = @enable_mountconfig@
+enable_nfsv4 = @enable_nfsv4@
+enable_nfsv41 = @enable_nfsv41@
+enable_svcgss = @enable_svcgss@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+kprefix = @kprefix@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+mountfile = @mountfile@
+nfsconfig = @nfsconfig@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+rpc_pipefsmount = @rpc_pipefsmount@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+startstatd = @startstatd@
+statdpath = @statdpath@
+statduser = @statduser@
+statedir = @statedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+unitdir = @unitdir@
+noinst_HEADERS = debug.h export.h nfs.h
+MAINTAINERCLEANFILES = Makefile.in
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu support/include/nfs/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu support/include/nfs/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(HEADERS)
+installdirs:
+install: install-am
+install-exec: install-exec-am
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+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
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+install-info: install-info-am
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+install-info-am:
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+install-man:
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+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool cscopelist-am ctags ctags-am distclean \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/include/nfs/debug.h b/support/include/nfs/debug.h
new file mode 100644
index 0000000..80a1b1d
--- /dev/null
+++ b/support/include/nfs/debug.h
@@ -0,0 +1,85 @@
+#ifndef _NFS_DEBUG_H
+#define _NFS_DEBUG_H
+
+/*
+ * RPC debug facilities
+ */
+#define RPCDBG_XPRT		0x0001
+#define RPCDBG_CALL		0x0002
+#define RPCDBG_DEBUG		0x0004
+#define RPCDBG_NFS		0x0008
+#define RPCDBG_AUTH		0x0010
+#define RPCDBG_BIND		0x0020
+#define RPCDBG_SCHED		0x0040
+#define RPCDBG_TRANS		0x0080
+#define RPCDBG_SVCSOCK		0x0100
+#define RPCDBG_SVCDSP		0x0200
+#define RPCDBG_MISC		0x0400
+#define RPCDBG_CACHE		0x0800
+#define RPCDBG_ALL		0x7fff
+
+/*
+ * Declarations for the sysctl debug interface, which allows to read or
+ * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
+ * module currently registers its sysctl table dynamically, the sysctl path
+ * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
+ */
+#define CTL_SUNRPC	7249	/* arbitrary and hopefully unused */
+
+enum {
+	CTL_RPCDEBUG = 1,
+	CTL_NFSDEBUG,
+	CTL_NFSDDEBUG,
+	CTL_NLMDEBUG,
+};
+
+
+/*
+ * knfsd debug flags
+ */
+#define NFSDDBG_SOCK		0x0001
+#define NFSDDBG_FH		0x0002
+#define NFSDDBG_EXPORT		0x0004
+#define NFSDDBG_SVC		0x0008
+#define NFSDDBG_PROC		0x0010
+#define NFSDDBG_FILEOP		0x0020
+#define NFSDDBG_AUTH		0x0040
+#define NFSDDBG_REPCACHE	0x0080
+#define NFSDDBG_XDR		0x0100
+#define NFSDDBG_LOCKD		0x0200
+#define NFSDDBG_ALL		0x7FFF
+#define NFSDDBG_NOCHANGE	0xFFFF
+
+/*
+ * Debug flags
+ */
+#define NLMDBG_SVC		0x0001
+#define NLMDBG_CLIENT		0x0002
+#define NLMDBG_CLNTLOCK		0x0004
+#define NLMDBG_SVCLOCK		0x0008
+#define NLMDBG_MONITOR		0x0010
+#define NLMDBG_CLNTSUBS		0x0020
+#define NLMDBG_SVCSUBS		0x0040
+#define NLMDBG_HOSTCACHE	0x0080
+#define NLMDBG_XDR		0x0100
+#define NLMDBG_ALL		0x7fff
+
+
+#define NFSDBG_VFS		0x0001
+#define NFSDBG_DIRCACHE		0x0002
+#define NFSDBG_LOOKUPCACHE	0x0004
+#define NFSDBG_PAGECACHE	0x0008
+#define NFSDBG_PROC		0x0010
+#define NFSDBG_XDR		0x0020
+#define NFSDBG_FILE		0x0040
+#define NFSDBG_ROOT		0x0080
+#define NFSDBG_CALLBACK		0x0100
+#define NFSDBG_CLIENT		0x0200
+#define NFSDBG_MOUNT		0x0400
+#define NFSDBG_FSCACHE		0x0800
+#define NFSDBG_PNFS			0x1000
+#define NFSDBG_PNFS_LD		0x2000
+#define NFSDBG_STATE		0x4000
+#define NFSDBG_ALL		0xFFFF
+
+#endif /* _NFS_DEBUG_H */
diff --git a/support/include/nfs/export.h b/support/include/nfs/export.h
new file mode 100644
index 0000000..be5867c
--- /dev/null
+++ b/support/include/nfs/export.h
@@ -0,0 +1,57 @@
+#ifndef _NSF_EXPORT_H
+#define _NSF_EXPORT_H
+
+/*
+ * Important limits for the exports stuff.
+ */
+#define NFSCLNT_IDMAX		1024
+#define NFSCLNT_ADDRMAX		16
+#define NFSCLNT_KEYMAX		32
+
+/*
+ * Export flags.
+ */
+#define NFSEXP_READONLY		0x0001
+#define NFSEXP_INSECURE_PORT	0x0002
+#define NFSEXP_ROOTSQUASH	0x0004
+#define NFSEXP_ALLSQUASH	0x0008
+#define NFSEXP_ASYNC		0x0010
+#define NFSEXP_GATHERED_WRITES	0x0020
+#define NFSEXP_NOREADDIRPLUS	0x0040
+#define NFSEXP_SECURITY_LABEL	0x0080
+/* 0x100 unused */
+#define NFSEXP_NOHIDE		0x0200
+#define NFSEXP_NOSUBTREECHECK	0x0400
+#define NFSEXP_NOAUTHNLM	0x0800
+#define NFSEXP_FSID		0x2000
+#define	NFSEXP_CROSSMOUNT	0x4000
+#define NFSEXP_NOACL		0x8000 /* reserved for possible ACL related use */
+#define NFSEXP_V4ROOT		0x10000
+#define NFSEXP_PNFS            0x20000
+/*
+ * All flags supported by the kernel before addition of the
+ * export_features interface:
+ */
+#define NFSEXP_OLDFLAGS		0x7E3F
+/*
+ * Flags that can vary per flavor, for kernels before addition of the
+ * export_features interface:
+ */
+#define NFSEXP_OLD_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \
+					| NFSEXP_ALLSQUASH)
+
+/*
+ * Transport layer security policies that are permitted to access
+ * an export
+ */
+#define NFSEXP_XPRTSEC_NONE	0x0001
+#define NFSEXP_XPRTSEC_TLS	0x0002
+#define NFSEXP_XPRTSEC_MTLS	0x0004
+
+#define NFSEXP_XPRTSEC_NUM	(3)
+
+#define NFSEXP_XPRTSEC_ALL	(NFSEXP_XPRTSEC_NONE | \
+				 NFSEXP_XPRTSEC_TLS | \
+				 NFSEXP_XPRTSEC_MTLS)
+
+#endif /* _NSF_EXPORT_H */
diff --git a/support/include/nfs/nfs.h b/support/include/nfs/nfs.h
new file mode 100644
index 0000000..b7d9e06
--- /dev/null
+++ b/support/include/nfs/nfs.h
@@ -0,0 +1,51 @@
+#ifndef _NFS_NFS_H
+#define _NFS_NFS_H
+
+#include <config.h>
+
+#include <linux/posix_types.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <rpcsvc/nfs_prot.h>
+#include <nfs/export.h>
+#include <limits.h>
+
+#define	NFS3_FHSIZE	64
+#define	NFS_FHSIZE	32
+
+#define NFSD_MINVERS 2
+#define NFSD_MAXVERS 4
+
+#define NFS4_MINMINOR 0
+#define NFS4_MAXMINOR (WORD_BIT-1)
+
+struct nfs_fh_len {
+	int		fh_size;
+	u_int8_t	fh_handle[NFS3_FHSIZE];
+};
+
+
+#define NFSCTL_UDPBIT		      (1 << (17 - 1))
+#define NFSCTL_TCPBIT		      (1 << (18 - 1))
+#define NFSCTL_PROTODEFAULT	      (NFSCTL_TCPBIT)
+
+#define NFSCTL_VERUNSET(_cltbits, _v) ((_cltbits) &= ~(1 << ((_v) - 1))) 
+#define NFSCTL_MINORUNSET(_cltbits, _v) ((_cltbits) &= ~(1 << (_v)))
+#define NFSCTL_UDPUNSET(_cltbits)     ((_cltbits) &= ~NFSCTL_UDPBIT) 
+#define NFSCTL_TCPUNSET(_cltbits)     ((_cltbits) &= ~NFSCTL_TCPBIT) 
+
+#define NFSCTL_VERISSET(_cltbits, _v) ((_cltbits) & (1 << ((_v) - 1))) 
+#define NFSCTL_MINORISSET(_cltbits, _v) ((_cltbits) & (1 << (_v)))
+#define NFSCTL_UDPISSET(_cltbits)     ((_cltbits) & NFSCTL_UDPBIT) 
+#define NFSCTL_TCPISSET(_cltbits)     ((_cltbits) & NFSCTL_TCPBIT) 
+
+#define NFSCTL_VERDEFAULT (0xc)       /* versions 3 and 4 */
+#define NFSCTL_MINDEFAULT (0x7)       /* minor versions 4.1 and 4.2 */
+#define NFSCTL_VERSET(_cltbits, _v)   ((_cltbits) |= (1 << ((_v) - 1))) 
+#define NFSCTL_MINORSET(_cltbits, _v)   ((_cltbits) |= (1 << (_v)))
+#define NFSCTL_UDPSET(_cltbits)       ((_cltbits) |= NFSCTL_UDPBIT)
+#define NFSCTL_TCPSET(_cltbits)       ((_cltbits) |= NFSCTL_TCPBIT)
+
+#define NFSCTL_ANYPROTO(_cltbits)     ((_cltbits) & (NFSCTL_UDPBIT | NFSCTL_TCPBIT))
+
+#endif /* _NFS_NFS_H */
diff --git a/support/include/nfs_mntent.h b/support/include/nfs_mntent.h
new file mode 100644
index 0000000..010df24
--- /dev/null
+++ b/support/include/nfs_mntent.h
@@ -0,0 +1,26 @@
+/*
+ * 2006-06-08 Amit Gud <agud@redhat.com>
+ * - Moved code snippets here from util-linux/mount/my_mntent.h
+ */
+
+#ifndef _NFS_MNTENT_H
+#define _NFS_MNTENT_H
+#include <mntent.h>
+
+#define ERR_MAX 5
+
+typedef struct mntFILEstruct {
+	FILE *mntent_fp;
+	char *mntent_file;
+	int mntent_lineno;
+	int mntent_errs;
+	int mntent_softerrs;
+} mntFILE;
+
+mntFILE *nfs_setmntent (const char *file, char *mode);
+void nfs_endmntent (mntFILE *mfp);
+int nfs_addmntent (mntFILE *mfp, struct mntent *mnt);
+struct nfs_mntent *my_getmntent (mntFILE *mfp);
+struct mntent *nfs_getmntent (mntFILE *mfp);
+
+#endif /* _NFS_MNTENT_H */
diff --git a/support/include/nfs_paths.h b/support/include/nfs_paths.h
new file mode 100644
index 0000000..de4ac19
--- /dev/null
+++ b/support/include/nfs_paths.h
@@ -0,0 +1,11 @@
+#ifndef _NFS_PATHS_H
+#define _NFS_PATHS_H
+
+#ifndef _PATH_MOUNTED
+#define _PATH_MOUNTED "/etc/fstab"
+#endif
+#define MOUNTED_LOCK	_PATH_MOUNTED "~"
+#define MOUNTED_TEMP	_PATH_MOUNTED ".tmp"
+
+#endif /* _NFS_PATHS_H */
+
diff --git a/support/include/nfsd_path.h b/support/include/nfsd_path.h
new file mode 100644
index 0000000..aa1e1dd
--- /dev/null
+++ b/support/include/nfsd_path.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2019 Trond Myklebust <trond.myklebust@hammerspace.com>
+ */
+#ifndef NFSD_PATH_H
+#define NFSD_PATH_H
+
+#include <sys/stat.h>
+
+struct file_handle;
+struct statfs;
+
+void 		nfsd_path_init(void);
+
+const char *	nfsd_path_nfsd_rootdir(void);
+char *		nfsd_path_strip_root(char *pathname);
+char *		nfsd_path_prepend_dir(const char *dir, const char *pathname);
+
+int 		nfsd_path_stat(const char *pathname, struct stat *statbuf);
+int 		nfsd_path_lstat(const char *pathname, struct stat *statbuf);
+
+int		nfsd_path_statfs(const char *pathname,
+				   struct statfs *statbuf);
+
+char *		nfsd_realpath(const char *path, char *resolved_path);
+
+ssize_t		nfsd_path_read(int fd, char *buf, size_t len);
+ssize_t		nfsd_path_write(int fd, const char *buf, size_t len);
+
+int		nfsd_name_to_handle_at(int fd, const char *path,
+				       struct file_handle *fh,
+				       int *mount_id, int flags);
+#endif
diff --git a/support/include/nfslib.h b/support/include/nfslib.h
new file mode 100644
index 0000000..bdbde78
--- /dev/null
+++ b/support/include/nfslib.h
@@ -0,0 +1,187 @@
+/*
+ * support/include/nfslib.h
+ *
+ * General support functions for NFS user-space programs.
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef NFSLIB_H
+#define NFSLIB_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <paths.h>
+#include <rpcsvc/nfs_prot.h>
+#include <nfs/nfs.h>
+#include "xlog.h"
+
+#ifndef _PATH_EXPORTS
+#define _PATH_EXPORTS		"/etc/exports"
+#endif
+#ifndef _PATH_EXPORTS_D
+#define _PATH_EXPORTS_D         "/etc/exports.d"
+#endif
+#ifndef _EXT_EXPORT
+#define _EXT_EXPORT             ".exports"
+#endif
+#ifndef _PATH_IDMAPDCONF
+#define _PATH_IDMAPDCONF	"/etc/idmapd.conf"
+#endif
+#ifndef _PATH_PROC_EXPORTS
+#define	_PATH_PROC_EXPORTS	"/proc/fs/nfs/exports"
+#define	_PATH_PROC_EXPORTS_ALT	"/proc/fs/nfsd/exports"
+#endif
+
+#define ETAB		"etab"
+#define ETABTMP		"etab.tmp"
+#define ETABLCK 	".etab.lock"
+#define RMTAB		"rmtab"
+#define RMTABTMP	"rmtab.tmp"
+#define RMTABLCK	".rmtab.lock"
+
+struct state_paths {
+	char *statefn;
+	char *tmpfn;
+	char *lockfn;
+};
+
+/* Maximum number of security flavors on an export: */
+#define SECFLAVOR_COUNT 8
+
+struct sec_entry {
+	struct flav_info *flav;
+	int flags;
+};
+
+#define XPRTSECMODE_COUNT 3
+
+struct xprtsec_info {
+	const char		*name;
+	int			number;
+};
+
+struct xprtsec_entry {
+	const struct xprtsec_info *info;
+	int			flags;
+};
+
+/*
+ * Data related to a single exports entry as returned by getexportent.
+ * FIXME: export options should probably be parsed at a later time to
+ * allow overrides when using exportfs.
+ */
+struct exportent {
+	char *		e_hostname;
+	char		e_path[NFS_MAXPATHLEN+1];
+	int		e_flags;
+	int		e_anonuid;
+	int		e_anongid;
+	int *		e_squids;
+	int		e_nsquids;
+	int *		e_sqgids;
+	int		e_nsqgids;
+	unsigned int	e_fsid;
+	char *		e_mountpoint;
+	int             e_fslocmethod;
+	char *          e_fslocdata;
+	char *		e_uuid;
+	struct sec_entry e_secinfo[SECFLAVOR_COUNT+1];
+	struct xprtsec_entry e_xprtsec[XPRTSECMODE_COUNT + 1];
+	unsigned int	e_ttl;
+	char *		e_realpath;
+	int		e_reexport;
+};
+
+struct rmtabent {
+	char		r_client[NFSCLNT_IDMAX+1];
+	char		r_path[NFS_MAXPATHLEN+1];
+	int		r_count;
+};
+
+/*
+ * configuration file parsing
+ */
+void			setexportent(char *fname, char *type);
+struct exportent *	getexportent(int,int);
+void 			secinfo_show(FILE *fp, struct exportent *ep);
+void			xprtsecinfo_show(FILE *fp, struct exportent *ep);
+void			putexportent(struct exportent *xep);
+void			endexportent(void);
+struct exportent *	mkexportent(char *hname, char *path, char *opts);
+void			dupexportent(struct exportent *dst,
+					struct exportent *src);
+int			updateexportent(struct exportent *eep, char *options);
+
+extern struct state_paths rmtab;
+int			setrmtabent(char *type);
+struct rmtabent *	getrmtabent(int log, long *pos);
+void			putrmtabent(struct rmtabent *xep, long *pos);
+void			endrmtabent(void);
+void			rewindrmtabent(void);
+FILE *			fsetrmtabent(char *fname, char *type);
+struct rmtabent *	fgetrmtabent(FILE *fp, int log, long *pos);
+void			fputrmtabent(FILE *fp, struct rmtabent *xep, long *pos);
+void			fendrmtabent(FILE *fp);
+void			frewindrmtabent(FILE *fp);
+
+_Bool state_setup_basedir(const char *, const char *);
+int setup_state_path_names(const char *, const char *, const char *, const char *, struct state_paths *);
+void free_state_path_names(struct state_paths *);
+
+/* mydaemon */
+void daemon_init(bool fg);
+void daemon_ready(void);
+
+/*
+ * wildmat borrowed from INN
+ */
+int			wildmat(char *text, char *pattern);
+
+int qword_get(char **bpp, char *dest, int bufsize);
+int qword_get_int(char **bpp, int *anint);
+void cache_flush(void);
+void qword_add(char **bpp, int *lp, char *str);
+void qword_addhex(char **bpp, int *lp, char *buf, int blen);
+void qword_addint(char **bpp, int *lp, int n);
+void qword_adduint(char **bpp, int *lp, unsigned int n);
+void qword_addeol(char **bpp, int *lp);
+int qword_get_uint(char **bpp, unsigned int *anint);
+
+void closeall(int min);
+
+int			svctcp_socket (u_long __number, int __reuse);
+int			svcudp_socket (u_long __number);
+int			svcsock_nonblock (int __sock);
+
+/* Misc shared code prototypes */
+size_t  strlcat(char *, const char *, size_t);
+size_t  strlcpy(char *, const char *, size_t);
+ssize_t atomicio(ssize_t (*f) (int, void*, size_t),
+		 int, void *, size_t);
+
+#ifdef HAVE_LIBTIRPC_SET_DEBUG
+void  libtirpc_set_debug(char *name, int level, int use_stderr);
+#endif
+
+#define UNUSED(x) UNUSED_ ## x __attribute__((unused))
+
+/*
+ * Some versions of freeaddrinfo(3) do not tolerate being
+ * passed a NULL pointer.
+ */
+static inline void nfs_freeaddrinfo(struct addrinfo *ai)
+{
+	if (ai) {
+		freeaddrinfo(ai);
+	}
+}
+#endif /* NFSLIB_H */
diff --git a/support/include/nfsrpc.h b/support/include/nfsrpc.h
new file mode 100644
index 0000000..fbbdb6a
--- /dev/null
+++ b/support/include/nfsrpc.h
@@ -0,0 +1,178 @@
+/*
+ * nfsrpc.h -- RPC client APIs provided by support/nfs
+ *
+ * Copyright (C) 2008 Oracle Corporation.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef __NFS_UTILS_NFSRPC_H
+#define __NFS_UTILS_NFSRPC_H
+
+#include <string.h>
+#include <rpc/types.h>
+#include <rpc/clnt.h>
+
+/*
+ * IANA does not define an IP protocol number for RDMA transports.
+ * Choose an arbitrary value we can use locally.
+ */
+#define NFSPROTO_RDMA		(3939)
+
+/*
+ * Conventional RPC program numbers
+ */
+#ifndef RPCBPROG
+#define RPCBPROG	((rpcprog_t)100000)
+#endif
+#ifndef PMAPPROG
+#define PMAPPROG	((rpcprog_t)100000)
+#endif
+
+#ifndef NFSPROG
+#define NFSPROG		((rpcprog_t)100003)
+#endif
+#ifndef MOUNTPROG
+#define MOUNTPROG	((rpcprog_t)100005)
+#endif
+#ifndef NLMPROG
+#define NLMPROG		((rpcprog_t)100021)
+#endif
+#ifndef NSMPROG
+#define NSMPROG		((rpcprog_t)100024)
+#endif
+
+/**
+ * nfs_clear_rpc_createerr - zap all error reporting fields
+ *
+ */
+static inline void nfs_clear_rpc_createerr(void)
+{
+	memset(&rpc_createerr, 0, sizeof(rpc_createerr));
+}
+
+/*
+ * Look up an RPC program name in /etc/rpc
+ */
+extern rpcprog_t	nfs_getrpcbyname(const rpcprog_t, const char *table[]);
+
+/*
+ * Acquire an RPC CLIENT * with an ephemeral source port
+ */
+extern CLIENT		*nfs_get_rpcclient(const struct sockaddr *,
+				const socklen_t, const unsigned short,
+				const rpcprog_t, const rpcvers_t,
+				struct timeval *);
+
+/*
+ * Acquire an RPC CLIENT * with a privileged source port
+ */
+extern CLIENT		*nfs_get_priv_rpcclient( const struct sockaddr *,
+				const socklen_t, const unsigned short,
+				const rpcprog_t, const rpcvers_t,
+				struct timeval *);
+
+/*
+ * Convert a netid to a protocol number and protocol family
+ */
+extern int		nfs_get_proto(const char *netid, sa_family_t *family,
+				unsigned long *protocol);
+
+/*
+ * Convert a protocol family and protocol name to a netid
+ */
+extern char		*nfs_get_netid(const sa_family_t family,
+				const unsigned long protocol);
+
+/*
+ * Convert a socket address to a universal address
+ */
+extern char		*nfs_sockaddr2universal(const struct sockaddr *);
+
+/*
+ * Extract port number from a universal address
+ */
+extern int		nfs_universal2port(const char *);
+
+/*
+ * Generic function that maps an RPC service tuple to an IP port
+ * number of the service on a remote post, and sends a NULL
+ * request to determine if the service is responding to requests
+ */
+extern int		nfs_getport_ping(struct sockaddr *sap,
+				const socklen_t salen,
+				const rpcprog_t program,
+				const rpcvers_t version,
+				const unsigned short protocol);
+
+/*
+ * Generic function that maps an RPC service tuple to an IP port
+ * number of the service on a remote host
+ */
+extern unsigned short	nfs_getport(const struct sockaddr *,
+				const socklen_t, const rpcprog_t,
+				const rpcvers_t, const unsigned short);
+
+/*
+ * Generic function that maps an RPC service tuple to an IP port
+ * number of the service on the local host
+ */
+extern unsigned short	nfs_getlocalport(const rpcprot_t,
+				const rpcvers_t, const unsigned short);
+
+/*
+ * Function to invoke an rpcbind v3/v4 GETADDR request
+ */
+extern unsigned short	nfs_rpcb_getaddr(const struct sockaddr *,
+				const socklen_t,
+				const unsigned short,
+				const struct sockaddr *,
+				const rpcprog_t,
+				const rpcvers_t,
+				const unsigned short,
+				const struct timeval *);
+
+/*
+ * Function to invoke a portmap GETPORT request
+ */
+extern unsigned long	nfs_pmap_getport(const struct sockaddr_in *,
+				const unsigned short,
+				const unsigned long,
+				const unsigned long,
+				const unsigned long,
+				const struct timeval *);
+
+/*
+ * Use nfs_pmap_getport to see if statd is running locally
+ */
+extern int nfs_probe_statd(void);
+
+/*
+ * Contact a remote RPC service to discover whether it is responding
+ * to requests.
+ */
+extern int		nfs_rpc_ping(const struct sockaddr *sap,
+				const socklen_t salen,
+				const rpcprog_t program,
+				const rpcvers_t version,
+				const unsigned short protocol,
+				const struct timeval *timeout);
+
+/* create AUTH_SYS handle with no supplemental groups */
+extern AUTH *			 nfs_authsys_create(void);
+
+#endif	/* !__NFS_UTILS_NFSRPC_H */
diff --git a/support/include/nls.h b/support/include/nls.h
new file mode 100644
index 0000000..899e8d7
--- /dev/null
+++ b/support/include/nls.h
@@ -0,0 +1,27 @@
+/* 
+ * 2006-06-08 Amit Gud <agud@redhat.com>
+ * - Copied to nfs-utils/support/include from util-linux/mount
+ */
+
+#ifndef LOCALEDIR
+#define LOCALEDIR "/usr/share/locale"
+#endif
+
+#ifdef ENABLE_NLS
+# include <libintl.h>
+# define _(Text) gettext (Text)
+# ifdef gettext_noop
+#  define N_(String) gettext_noop (String)
+# else
+#  define N_(String) (String)
+# endif
+#else
+# undef bindtextdomain
+# define bindtextdomain(Domain, Directory) /* empty */
+# undef textdomain
+# define textdomain(Domain) /* empty */
+# define _(Text) (Text)
+# define N_(Text) (Text)
+#endif
+
+
diff --git a/support/include/nsm.h b/support/include/nsm.h
new file mode 100644
index 0000000..080d176
--- /dev/null
+++ b/support/include/nsm.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * NSM for Linux.
+ */
+
+#ifndef NFS_UTILS_SUPPORT_NSM_H
+#define NFS_UTILS_SUPPORT_NSM_H
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdbool.h>
+
+#include <netdb.h>
+#include <time.h>
+
+#include "sm_inter.h"
+
+typedef unsigned int
+		(*nsm_populate_t)(const char *hostname,
+				const struct sockaddr *sap,
+				const struct mon *mon,
+				const time_t timestamp);
+
+/* file.c */
+
+extern _Bool	nsm_setup_pathnames(const char *progname,
+				const char *parentdir);
+extern _Bool	nsm_is_default_parentdir(void);
+extern _Bool	nsm_drop_privileges(const int pidfd);
+
+extern int	nsm_get_state(_Bool update);
+extern void	nsm_update_kernel_state(const int state);
+
+extern unsigned int
+		nsm_retire_monitored_hosts(void);
+extern unsigned int
+		nsm_load_monitor_list(nsm_populate_t func);
+extern unsigned int
+		nsm_load_notify_list(nsm_populate_t func);
+
+extern _Bool	nsm_insert_monitored_host(const char *hostname,
+			const struct sockaddr *sap, const struct mon *m);
+extern void	nsm_delete_monitored_host(const char *hostname,
+			const char *mon_name, const char *my_name,
+			const int chatty);
+extern void	nsm_delete_notified_host(const char *hostname,
+			const char *mon_name, const char *my_name);
+extern size_t	nsm_priv_to_hex(const char *priv, char *buf,
+				const size_t buflen);
+
+/* rpc.c */
+
+#define NSM_MAXMSGSIZE	(2048u)
+
+extern uint32_t nsm_xmit_getport(const int sock,
+			const struct sockaddr_in *sin,
+			const unsigned long program,
+			const unsigned long version);
+extern uint32_t nsm_xmit_getaddr(const int sock,
+			const struct sockaddr_in6 *sin6,
+			const rpcprog_t program, const rpcvers_t version);
+extern uint32_t nsm_xmit_rpcbind(const int sock, const struct sockaddr *sap,
+			const rpcprog_t program, const rpcvers_t version);
+extern uint32_t nsm_xmit_notify(const int sock, const struct sockaddr *sap,
+			const socklen_t salen, const rpcprog_t program,
+			const char *mon_name, const int state);
+extern uint32_t nsm_xmit_nlmcall(const int sock, const struct sockaddr *sap,
+			const socklen_t salen, const struct mon *m,
+			const int state);
+extern uint32_t nsm_parse_reply(XDR *xdrs);
+extern unsigned long
+		nsm_recv_getport(XDR *xdrs);
+extern uint16_t nsm_recv_getaddr(XDR *xdrs);
+extern uint16_t nsm_recv_rpcbind(const sa_family_t family, XDR *xdrs);
+
+#endif	/* !NFS_UTILS_SUPPORT_NSM_H */
diff --git a/support/include/pseudoflavors.h b/support/include/pseudoflavors.h
new file mode 100644
index 0000000..1f16f3f
--- /dev/null
+++ b/support/include/pseudoflavors.h
@@ -0,0 +1,15 @@
+#define RPC_AUTH_GSS_KRB5       390003
+#define RPC_AUTH_GSS_KRB5I      390004
+#define RPC_AUTH_GSS_KRB5P      390005
+#define RPC_AUTH_GSS_LKEY       390006
+#define RPC_AUTH_GSS_LKEYI      390007
+#define RPC_AUTH_GSS_LKEYP      390008
+
+struct flav_info {
+	char    *flavour;
+	int     fnum;
+	int	need_krb5;
+};
+
+extern struct flav_info flav_map[];
+extern const int flav_map_size;
diff --git a/support/include/rpcmisc.h b/support/include/rpcmisc.h
new file mode 100644
index 0000000..31c8e5d
--- /dev/null
+++ b/support/include/rpcmisc.h
@@ -0,0 +1,72 @@
+/*
+ * rpcmisc	Support for RPC startup, dispatching and logging.
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef RPCMISC_H
+#define RPCMISC_H
+
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+
+#ifdef __STDC__
+#   define CONCAT(a,b)		a##b
+#   define STRING(a)		#a
+#else
+#   define CONCAT(a,b)		a/**/b
+#   define STRING(a)		"a"
+#endif
+
+typedef bool_t	(*rpcsvc_fn_t)(struct svc_req *, void *argp, void *resp);
+
+struct rpc_dentry {
+	const char	*name;
+	rpcsvc_fn_t	func;
+	xdrproc_t	xdr_arg_fn;		/* argument XDR */
+	size_t		xdr_arg_size;
+	xdrproc_t	xdr_res_fn;		/* result XDR */
+	size_t		xdr_res_size;
+};
+
+struct rpc_dtable {
+	struct rpc_dentry *entries;
+	rpcproc_t		nproc;
+};
+
+#define dtable_ent(func, vers, arg_type, res_type) \
+	{	STRING(func), \
+		(rpcsvc_fn_t)func##_##vers##_svc, \
+		(xdrproc_t)xdr_##arg_type, sizeof(arg_type), \
+		(xdrproc_t)xdr_##res_type, sizeof(res_type), \
+	}
+
+void		nfs_svc_unregister(const rpcprog_t program,
+				const rpcvers_t version);
+unsigned int	nfs_svc_create(char *name, const rpcprog_t program,
+				const rpcvers_t version,
+				void (*dispatch)(struct svc_req *, SVCXPRT *),
+				const uint16_t port);
+void		rpc_init(char *name, int prog, int vers,
+				void (*dispatch)(struct svc_req *, SVCXPRT *),
+				int defport);
+void		rpc_dispatch(struct svc_req *rq, SVCXPRT *xprt,
+				struct rpc_dtable *dtable, int nvers,
+				void *argp, void *resp);
+int		getservport(u_long number, const char *proto);
+
+extern int	_rpcpmstart;
+extern unsigned int	_rpcprotobits;
+extern int	_rpcsvcdirty;
+
+static inline struct sockaddr_in *nfs_getrpccaller_in(SVCXPRT *xprt)
+{
+	return (struct sockaddr_in *)(char *)svc_getcaller(xprt);
+}
+
+static inline struct sockaddr *nfs_getrpccaller(SVCXPRT *xprt)
+{
+	return (struct sockaddr *)(char *)svc_getcaller(xprt);
+}
+
+#endif /* RPCMISC_H */
diff --git a/support/include/rpcsvc/Makefile.am b/support/include/rpcsvc/Makefile.am
new file mode 100644
index 0000000..252bf8f
--- /dev/null
+++ b/support/include/rpcsvc/Makefile.am
@@ -0,0 +1,5 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_HEADERS = nfs_prot.h
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/support/include/rpcsvc/Makefile.in b/support/include/rpcsvc/Makefile.in
new file mode 100644
index 0000000..cc215d5
--- /dev/null
+++ b/support/include/rpcsvc/Makefile.in
@@ -0,0 +1,601 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
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diff --git a/support/include/rpcsvc/nfs_prot.h b/support/include/rpcsvc/nfs_prot.h
new file mode 100644
index 0000000..9311341
--- /dev/null
+++ b/support/include/rpcsvc/nfs_prot.h
@@ -0,0 +1,661 @@
+/*
+ * Please do not edit this file.
+ * It was generated using rpcgen.
+ */
+
+#ifndef _NFS_PROT_H_RPCGEN
+#define _NFS_PROT_H_RPCGEN
+
+#include <rpc/rpc.h>
+
+#define NFS_PORT 2049
+#define NFS_MAXDATA 8192
+#define NFS_MAXPATHLEN 1024
+#define NFS_MAXNAMLEN 255
+#define NFS_FHSIZE 32
+#define NFS_COOKIESIZE 4
+#define NFS_FIFO_DEV -1
+#define NFSMODE_FMT 0170000
+#define NFSMODE_DIR 0040000
+#define NFSMODE_CHR 0020000
+#define NFSMODE_BLK 0060000
+#define NFSMODE_REG 0100000
+#define NFSMODE_LNK 0120000
+#define NFSMODE_SOCK 0140000
+#define NFSMODE_FIFO 0010000
+
+enum nfsstat {
+	NFS_OK = 0,
+	NFSERR_PERM = 1,
+	NFSERR_NOENT = 2,
+	NFSERR_IO = 5,
+	NFSERR_NXIO = 6,
+	NFSERR_ACCES = 13,
+	NFSERR_EXIST = 17,
+	NFSERR_NODEV = 19,
+	NFSERR_NOTDIR = 20,
+	NFSERR_ISDIR = 21,
+	NFSERR_FBIG = 27,
+	NFSERR_NOSPC = 28,
+	NFSERR_ROFS = 30,
+	NFSERR_NAMETOOLONG = 63,
+	NFSERR_NOTEMPTY = 66,
+	NFSERR_DQUOT = 69,
+	NFSERR_STALE = 70,
+	NFSERR_WFLUSH = 99,
+};
+typedef enum nfsstat nfsstat;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfsstat(XDR *, nfsstat*);
+#elif __STDC__ 
+extern  bool_t xdr_nfsstat(XDR *, nfsstat*);
+#else /* Old Style C */ 
+bool_t xdr_nfsstat();
+#endif /* Old Style C */ 
+
+
+enum ftype {
+	NFNON = 0,
+	NFREG = 1,
+	NFDIR = 2,
+	NFBLK = 3,
+	NFCHR = 4,
+	NFLNK = 5,
+	NFSOCK = 6,
+	NFBAD = 7,
+	NFFIFO = 8,
+};
+typedef enum ftype ftype;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_ftype(XDR *, ftype*);
+#elif __STDC__ 
+extern  bool_t xdr_ftype(XDR *, ftype*);
+#else /* Old Style C */ 
+bool_t xdr_ftype();
+#endif /* Old Style C */ 
+
+
+struct nfs_fh {
+	char data[NFS_FHSIZE];
+};
+typedef struct nfs_fh nfs_fh;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfs_fh(XDR *, nfs_fh*);
+#elif __STDC__ 
+extern  bool_t xdr_nfs_fh(XDR *, nfs_fh*);
+#else /* Old Style C */ 
+bool_t xdr_nfs_fh();
+#endif /* Old Style C */ 
+
+
+struct nfstime {
+	u_int seconds;
+	u_int useconds;
+};
+typedef struct nfstime nfstime;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfstime(XDR *, nfstime*);
+#elif __STDC__ 
+extern  bool_t xdr_nfstime(XDR *, nfstime*);
+#else /* Old Style C */ 
+bool_t xdr_nfstime();
+#endif /* Old Style C */ 
+
+
+struct fattr {
+	ftype type;
+	u_int mode;
+	u_int nlink;
+	u_int uid;
+	u_int gid;
+	u_int size;
+	u_int blocksize;
+	u_int rdev;
+	u_int blocks;
+	u_int fsid;
+	u_int fileid;
+	nfstime atime;
+	nfstime mtime;
+	nfstime ctime;
+};
+typedef struct fattr fattr;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_fattr(XDR *, fattr*);
+#elif __STDC__ 
+extern  bool_t xdr_fattr(XDR *, fattr*);
+#else /* Old Style C */ 
+bool_t xdr_fattr();
+#endif /* Old Style C */ 
+
+
+struct sattr {
+	u_int mode;
+	u_int uid;
+	u_int gid;
+	u_int size;
+	nfstime atime;
+	nfstime mtime;
+};
+typedef struct sattr sattr;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_sattr(XDR *, sattr*);
+#elif __STDC__ 
+extern  bool_t xdr_sattr(XDR *, sattr*);
+#else /* Old Style C */ 
+bool_t xdr_sattr();
+#endif /* Old Style C */ 
+
+
+typedef char *filename;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_filename(XDR *, filename*);
+#elif __STDC__ 
+extern  bool_t xdr_filename(XDR *, filename*);
+#else /* Old Style C */ 
+bool_t xdr_filename();
+#endif /* Old Style C */ 
+
+
+typedef char *nfspath;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfspath(XDR *, nfspath*);
+#elif __STDC__ 
+extern  bool_t xdr_nfspath(XDR *, nfspath*);
+#else /* Old Style C */ 
+bool_t xdr_nfspath();
+#endif /* Old Style C */ 
+
+
+struct attrstat {
+	nfsstat status;
+	union {
+		fattr attributes;
+	} attrstat_u;
+};
+typedef struct attrstat attrstat;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_attrstat(XDR *, attrstat*);
+#elif __STDC__ 
+extern  bool_t xdr_attrstat(XDR *, attrstat*);
+#else /* Old Style C */ 
+bool_t xdr_attrstat();
+#endif /* Old Style C */ 
+
+
+struct sattrargs {
+	nfs_fh file;
+	sattr attributes;
+};
+typedef struct sattrargs sattrargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_sattrargs(XDR *, sattrargs*);
+#elif __STDC__ 
+extern  bool_t xdr_sattrargs(XDR *, sattrargs*);
+#else /* Old Style C */ 
+bool_t xdr_sattrargs();
+#endif /* Old Style C */ 
+
+
+struct diropargs {
+	nfs_fh dir;
+	filename name;
+};
+typedef struct diropargs diropargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_diropargs(XDR *, diropargs*);
+#elif __STDC__ 
+extern  bool_t xdr_diropargs(XDR *, diropargs*);
+#else /* Old Style C */ 
+bool_t xdr_diropargs();
+#endif /* Old Style C */ 
+
+
+struct diropokres {
+	nfs_fh file;
+	fattr attributes;
+};
+typedef struct diropokres diropokres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_diropokres(XDR *, diropokres*);
+#elif __STDC__ 
+extern  bool_t xdr_diropokres(XDR *, diropokres*);
+#else /* Old Style C */ 
+bool_t xdr_diropokres();
+#endif /* Old Style C */ 
+
+
+struct diropres {
+	nfsstat status;
+	union {
+		diropokres diropres;
+	} diropres_u;
+};
+typedef struct diropres diropres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_diropres(XDR *, diropres*);
+#elif __STDC__ 
+extern  bool_t xdr_diropres(XDR *, diropres*);
+#else /* Old Style C */ 
+bool_t xdr_diropres();
+#endif /* Old Style C */ 
+
+
+struct readlinkres {
+	nfsstat status;
+	union {
+		nfspath data;
+	} readlinkres_u;
+};
+typedef struct readlinkres readlinkres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readlinkres(XDR *, readlinkres*);
+#elif __STDC__ 
+extern  bool_t xdr_readlinkres(XDR *, readlinkres*);
+#else /* Old Style C */ 
+bool_t xdr_readlinkres();
+#endif /* Old Style C */ 
+
+
+struct readargs {
+	nfs_fh file;
+	u_int offset;
+	u_int count;
+	u_int totalcount;
+};
+typedef struct readargs readargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readargs(XDR *, readargs*);
+#elif __STDC__ 
+extern  bool_t xdr_readargs(XDR *, readargs*);
+#else /* Old Style C */ 
+bool_t xdr_readargs();
+#endif /* Old Style C */ 
+
+
+struct readokres {
+	fattr attributes;
+	struct {
+		u_int data_len;
+		char *data_val;
+	} data;
+};
+typedef struct readokres readokres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readokres(XDR *, readokres*);
+#elif __STDC__ 
+extern  bool_t xdr_readokres(XDR *, readokres*);
+#else /* Old Style C */ 
+bool_t xdr_readokres();
+#endif /* Old Style C */ 
+
+
+struct readres {
+	nfsstat status;
+	union {
+		readokres reply;
+	} readres_u;
+};
+typedef struct readres readres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readres(XDR *, readres*);
+#elif __STDC__ 
+extern  bool_t xdr_readres(XDR *, readres*);
+#else /* Old Style C */ 
+bool_t xdr_readres();
+#endif /* Old Style C */ 
+
+
+struct writeargs {
+	nfs_fh file;
+	u_int beginoffset;
+	u_int offset;
+	u_int totalcount;
+	struct {
+		u_int data_len;
+		char *data_val;
+	} data;
+};
+typedef struct writeargs writeargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_writeargs(XDR *, writeargs*);
+#elif __STDC__ 
+extern  bool_t xdr_writeargs(XDR *, writeargs*);
+#else /* Old Style C */ 
+bool_t xdr_writeargs();
+#endif /* Old Style C */ 
+
+
+struct createargs {
+	diropargs where;
+	sattr attributes;
+};
+typedef struct createargs createargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_createargs(XDR *, createargs*);
+#elif __STDC__ 
+extern  bool_t xdr_createargs(XDR *, createargs*);
+#else /* Old Style C */ 
+bool_t xdr_createargs();
+#endif /* Old Style C */ 
+
+
+struct renameargs {
+	diropargs from;
+	diropargs to;
+};
+typedef struct renameargs renameargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_renameargs(XDR *, renameargs*);
+#elif __STDC__ 
+extern  bool_t xdr_renameargs(XDR *, renameargs*);
+#else /* Old Style C */ 
+bool_t xdr_renameargs();
+#endif /* Old Style C */ 
+
+
+struct linkargs {
+	nfs_fh from;
+	diropargs to;
+};
+typedef struct linkargs linkargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_linkargs(XDR *, linkargs*);
+#elif __STDC__ 
+extern  bool_t xdr_linkargs(XDR *, linkargs*);
+#else /* Old Style C */ 
+bool_t xdr_linkargs();
+#endif /* Old Style C */ 
+
+
+struct symlinkargs {
+	diropargs from;
+	nfspath to;
+	sattr attributes;
+};
+typedef struct symlinkargs symlinkargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_symlinkargs(XDR *, symlinkargs*);
+#elif __STDC__ 
+extern  bool_t xdr_symlinkargs(XDR *, symlinkargs*);
+#else /* Old Style C */ 
+bool_t xdr_symlinkargs();
+#endif /* Old Style C */ 
+
+
+typedef char nfscookie[NFS_COOKIESIZE];
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfscookie(XDR *, nfscookie);
+#elif __STDC__ 
+extern  bool_t xdr_nfscookie(XDR *, nfscookie);
+#else /* Old Style C */ 
+bool_t xdr_nfscookie();
+#endif /* Old Style C */ 
+
+
+struct readdirargs {
+	nfs_fh dir;
+	nfscookie cookie;
+	u_int count;
+};
+typedef struct readdirargs readdirargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readdirargs(XDR *, readdirargs*);
+#elif __STDC__ 
+extern  bool_t xdr_readdirargs(XDR *, readdirargs*);
+#else /* Old Style C */ 
+bool_t xdr_readdirargs();
+#endif /* Old Style C */ 
+
+
+struct entry {
+	u_int fileid;
+	filename name;
+	nfscookie cookie;
+	struct entry *nextentry;
+};
+typedef struct entry entry;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_entry(XDR *, entry*);
+#elif __STDC__ 
+extern  bool_t xdr_entry(XDR *, entry*);
+#else /* Old Style C */ 
+bool_t xdr_entry();
+#endif /* Old Style C */ 
+
+
+struct dirlist {
+	entry *entries;
+	bool_t eof;
+};
+typedef struct dirlist dirlist;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_dirlist(XDR *, dirlist*);
+#elif __STDC__ 
+extern  bool_t xdr_dirlist(XDR *, dirlist*);
+#else /* Old Style C */ 
+bool_t xdr_dirlist();
+#endif /* Old Style C */ 
+
+
+struct readdirres {
+	nfsstat status;
+	union {
+		dirlist reply;
+	} readdirres_u;
+};
+typedef struct readdirres readdirres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readdirres(XDR *, readdirres*);
+#elif __STDC__ 
+extern  bool_t xdr_readdirres(XDR *, readdirres*);
+#else /* Old Style C */ 
+bool_t xdr_readdirres();
+#endif /* Old Style C */ 
+
+
+struct statfsokres {
+	u_int tsize;
+	u_int bsize;
+	u_int blocks;
+	u_int bfree;
+	u_int bavail;
+};
+typedef struct statfsokres statfsokres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_statfsokres(XDR *, statfsokres*);
+#elif __STDC__ 
+extern  bool_t xdr_statfsokres(XDR *, statfsokres*);
+#else /* Old Style C */ 
+bool_t xdr_statfsokres();
+#endif /* Old Style C */ 
+
+
+struct statfsres {
+	nfsstat status;
+	union {
+		statfsokres reply;
+	} statfsres_u;
+};
+typedef struct statfsres statfsres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_statfsres(XDR *, statfsres*);
+#elif __STDC__ 
+extern  bool_t xdr_statfsres(XDR *, statfsres*);
+#else /* Old Style C */ 
+bool_t xdr_statfsres();
+#endif /* Old Style C */ 
+
+
+#define NFS_PROGRAM ((u_long)100003)
+#define NFS_VERSION ((u_long)2)
+
+#ifdef __cplusplus
+#define NFSPROC_NULL ((u_long)0)
+extern "C" void * nfsproc_null_2(void *, CLIENT *);
+extern "C" void * nfsproc_null_2_svc(void *, struct svc_req *);
+#define NFSPROC_GETATTR ((u_long)1)
+extern "C" attrstat * nfsproc_getattr_2(nfs_fh *, CLIENT *);
+extern "C" attrstat * nfsproc_getattr_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_SETATTR ((u_long)2)
+extern "C" attrstat * nfsproc_setattr_2(sattrargs *, CLIENT *);
+extern "C" attrstat * nfsproc_setattr_2_svc(sattrargs *, struct svc_req *);
+#define NFSPROC_ROOT ((u_long)3)
+extern "C" void * nfsproc_root_2(void *, CLIENT *);
+extern "C" void * nfsproc_root_2_svc(void *, struct svc_req *);
+#define NFSPROC_LOOKUP ((u_long)4)
+extern "C" diropres * nfsproc_lookup_2(diropargs *, CLIENT *);
+extern "C" diropres * nfsproc_lookup_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READLINK ((u_long)5)
+extern "C" readlinkres * nfsproc_readlink_2(nfs_fh *, CLIENT *);
+extern "C" readlinkres * nfsproc_readlink_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_READ ((u_long)6)
+extern "C" readres * nfsproc_read_2(readargs *, CLIENT *);
+extern "C" readres * nfsproc_read_2_svc(readargs *, struct svc_req *);
+#define NFSPROC_WRITECACHE ((u_long)7)
+extern "C" void * nfsproc_writecache_2(void *, CLIENT *);
+extern "C" void * nfsproc_writecache_2_svc(void *, struct svc_req *);
+#define NFSPROC_WRITE ((u_long)8)
+extern "C" attrstat * nfsproc_write_2(writeargs *, CLIENT *);
+extern "C" attrstat * nfsproc_write_2_svc(writeargs *, struct svc_req *);
+#define NFSPROC_CREATE ((u_long)9)
+extern "C" diropres * nfsproc_create_2(createargs *, CLIENT *);
+extern "C" diropres * nfsproc_create_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_REMOVE ((u_long)10)
+extern "C" nfsstat * nfsproc_remove_2(diropargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_remove_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_RENAME ((u_long)11)
+extern "C" nfsstat * nfsproc_rename_2(renameargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_rename_2_svc(renameargs *, struct svc_req *);
+#define NFSPROC_LINK ((u_long)12)
+extern "C" nfsstat * nfsproc_link_2(linkargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_link_2_svc(linkargs *, struct svc_req *);
+#define NFSPROC_SYMLINK ((u_long)13)
+extern "C" nfsstat * nfsproc_symlink_2(symlinkargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_symlink_2_svc(symlinkargs *, struct svc_req *);
+#define NFSPROC_MKDIR ((u_long)14)
+extern "C" diropres * nfsproc_mkdir_2(createargs *, CLIENT *);
+extern "C" diropres * nfsproc_mkdir_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_RMDIR ((u_long)15)
+extern "C" nfsstat * nfsproc_rmdir_2(diropargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_rmdir_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READDIR ((u_long)16)
+extern "C" readdirres * nfsproc_readdir_2(readdirargs *, CLIENT *);
+extern "C" readdirres * nfsproc_readdir_2_svc(readdirargs *, struct svc_req *);
+#define NFSPROC_STATFS ((u_long)17)
+extern "C" statfsres * nfsproc_statfs_2(nfs_fh *, CLIENT *);
+extern "C" statfsres * nfsproc_statfs_2_svc(nfs_fh *, struct svc_req *);
+
+#elif __STDC__
+#define NFSPROC_NULL ((u_long)0)
+extern  void * nfsproc_null_2(void *, CLIENT *);
+extern  void * nfsproc_null_2_svc(void *, struct svc_req *);
+#define NFSPROC_GETATTR ((u_long)1)
+extern  attrstat * nfsproc_getattr_2(nfs_fh *, CLIENT *);
+extern  attrstat * nfsproc_getattr_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_SETATTR ((u_long)2)
+extern  attrstat * nfsproc_setattr_2(sattrargs *, CLIENT *);
+extern  attrstat * nfsproc_setattr_2_svc(sattrargs *, struct svc_req *);
+#define NFSPROC_ROOT ((u_long)3)
+extern  void * nfsproc_root_2(void *, CLIENT *);
+extern  void * nfsproc_root_2_svc(void *, struct svc_req *);
+#define NFSPROC_LOOKUP ((u_long)4)
+extern  diropres * nfsproc_lookup_2(diropargs *, CLIENT *);
+extern  diropres * nfsproc_lookup_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READLINK ((u_long)5)
+extern  readlinkres * nfsproc_readlink_2(nfs_fh *, CLIENT *);
+extern  readlinkres * nfsproc_readlink_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_READ ((u_long)6)
+extern  readres * nfsproc_read_2(readargs *, CLIENT *);
+extern  readres * nfsproc_read_2_svc(readargs *, struct svc_req *);
+#define NFSPROC_WRITECACHE ((u_long)7)
+extern  void * nfsproc_writecache_2(void *, CLIENT *);
+extern  void * nfsproc_writecache_2_svc(void *, struct svc_req *);
+#define NFSPROC_WRITE ((u_long)8)
+extern  attrstat * nfsproc_write_2(writeargs *, CLIENT *);
+extern  attrstat * nfsproc_write_2_svc(writeargs *, struct svc_req *);
+#define NFSPROC_CREATE ((u_long)9)
+extern  diropres * nfsproc_create_2(createargs *, CLIENT *);
+extern  diropres * nfsproc_create_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_REMOVE ((u_long)10)
+extern  nfsstat * nfsproc_remove_2(diropargs *, CLIENT *);
+extern  nfsstat * nfsproc_remove_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_RENAME ((u_long)11)
+extern  nfsstat * nfsproc_rename_2(renameargs *, CLIENT *);
+extern  nfsstat * nfsproc_rename_2_svc(renameargs *, struct svc_req *);
+#define NFSPROC_LINK ((u_long)12)
+extern  nfsstat * nfsproc_link_2(linkargs *, CLIENT *);
+extern  nfsstat * nfsproc_link_2_svc(linkargs *, struct svc_req *);
+#define NFSPROC_SYMLINK ((u_long)13)
+extern  nfsstat * nfsproc_symlink_2(symlinkargs *, CLIENT *);
+extern  nfsstat * nfsproc_symlink_2_svc(symlinkargs *, struct svc_req *);
+#define NFSPROC_MKDIR ((u_long)14)
+extern  diropres * nfsproc_mkdir_2(createargs *, CLIENT *);
+extern  diropres * nfsproc_mkdir_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_RMDIR ((u_long)15)
+extern  nfsstat * nfsproc_rmdir_2(diropargs *, CLIENT *);
+extern  nfsstat * nfsproc_rmdir_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READDIR ((u_long)16)
+extern  readdirres * nfsproc_readdir_2(readdirargs *, CLIENT *);
+extern  readdirres * nfsproc_readdir_2_svc(readdirargs *, struct svc_req *);
+#define NFSPROC_STATFS ((u_long)17)
+extern  statfsres * nfsproc_statfs_2(nfs_fh *, CLIENT *);
+extern  statfsres * nfsproc_statfs_2_svc(nfs_fh *, struct svc_req *);
+
+#else /* Old Style C */ 
+#define NFSPROC_NULL ((u_long)0)
+extern  void * nfsproc_null_2();
+extern  void * nfsproc_null_2_svc();
+#define NFSPROC_GETATTR ((u_long)1)
+extern  attrstat * nfsproc_getattr_2();
+extern  attrstat * nfsproc_getattr_2_svc();
+#define NFSPROC_SETATTR ((u_long)2)
+extern  attrstat * nfsproc_setattr_2();
+extern  attrstat * nfsproc_setattr_2_svc();
+#define NFSPROC_ROOT ((u_long)3)
+extern  void * nfsproc_root_2();
+extern  void * nfsproc_root_2_svc();
+#define NFSPROC_LOOKUP ((u_long)4)
+extern  diropres * nfsproc_lookup_2();
+extern  diropres * nfsproc_lookup_2_svc();
+#define NFSPROC_READLINK ((u_long)5)
+extern  readlinkres * nfsproc_readlink_2();
+extern  readlinkres * nfsproc_readlink_2_svc();
+#define NFSPROC_READ ((u_long)6)
+extern  readres * nfsproc_read_2();
+extern  readres * nfsproc_read_2_svc();
+#define NFSPROC_WRITECACHE ((u_long)7)
+extern  void * nfsproc_writecache_2();
+extern  void * nfsproc_writecache_2_svc();
+#define NFSPROC_WRITE ((u_long)8)
+extern  attrstat * nfsproc_write_2();
+extern  attrstat * nfsproc_write_2_svc();
+#define NFSPROC_CREATE ((u_long)9)
+extern  diropres * nfsproc_create_2();
+extern  diropres * nfsproc_create_2_svc();
+#define NFSPROC_REMOVE ((u_long)10)
+extern  nfsstat * nfsproc_remove_2();
+extern  nfsstat * nfsproc_remove_2_svc();
+#define NFSPROC_RENAME ((u_long)11)
+extern  nfsstat * nfsproc_rename_2();
+extern  nfsstat * nfsproc_rename_2_svc();
+#define NFSPROC_LINK ((u_long)12)
+extern  nfsstat * nfsproc_link_2();
+extern  nfsstat * nfsproc_link_2_svc();
+#define NFSPROC_SYMLINK ((u_long)13)
+extern  nfsstat * nfsproc_symlink_2();
+extern  nfsstat * nfsproc_symlink_2_svc();
+#define NFSPROC_MKDIR ((u_long)14)
+extern  diropres * nfsproc_mkdir_2();
+extern  diropres * nfsproc_mkdir_2_svc();
+#define NFSPROC_RMDIR ((u_long)15)
+extern  nfsstat * nfsproc_rmdir_2();
+extern  nfsstat * nfsproc_rmdir_2_svc();
+#define NFSPROC_READDIR ((u_long)16)
+extern  readdirres * nfsproc_readdir_2();
+extern  readdirres * nfsproc_readdir_2_svc();
+#define NFSPROC_STATFS ((u_long)17)
+extern  statfsres * nfsproc_statfs_2();
+extern  statfsres * nfsproc_statfs_2_svc();
+#endif /* Old Style C */ 
+
+#endif /* !_NFS_PROT_H_RPCGEN */
diff --git a/support/include/sockaddr.h b/support/include/sockaddr.h
new file mode 100644
index 0000000..eeebcdf
--- /dev/null
+++ b/support/include/sockaddr.h
@@ -0,0 +1,244 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFS_UTILS_SOCKADDR_H
+#define NFS_UTILS_SOCKADDR_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+/*
+ * This type is for defining buffers that contain network socket
+ * addresses.
+ *
+ * Casting a "struct sockaddr *" to the address of a "struct
+ * sockaddr_storage" breaks C aliasing rules.  The "union
+ * nfs_sockaddr" type follows C aliasing rules yet specifically
+ * allows converting pointers to it between "struct sockaddr *"
+ * and a few other network sockaddr-related pointer types.
+ *
+ * Note that this union is much smaller than a sockaddr_storage.
+ * It should be used only for AF_INET or AF_INET6 socket addresses.
+ * An AF_LOCAL sockaddr_un, for example, will clearly not fit into
+ * a buffer of this type.
+ */
+union nfs_sockaddr {
+	struct sockaddr		sa;
+	struct sockaddr_in	s4;
+	struct sockaddr_in6	s6;
+};
+
+#if SIZEOF_SOCKLEN_T - 0 == 0
+#define socklen_t unsigned int
+#endif
+
+#define SIZEOF_SOCKADDR_UNKNOWN	(socklen_t)0
+#define SIZEOF_SOCKADDR_IN	(socklen_t)sizeof(struct sockaddr_in)
+
+#ifdef IPV6_SUPPORTED
+#define SIZEOF_SOCKADDR_IN6	(socklen_t)sizeof(struct sockaddr_in6)
+#else	/* !IPV6_SUPPORTED */
+#define SIZEOF_SOCKADDR_IN6	SIZEOF_SOCKADDR_UNKNOWN
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_sockaddr_length - return the size in bytes of a socket address
+ * @sap: pointer to socket address
+ *
+ * Returns the size in bytes of @sap, or zero if the family is
+ * not recognized.
+ */
+static inline socklen_t
+nfs_sockaddr_length(const struct sockaddr *sap)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		return SIZEOF_SOCKADDR_IN;
+	case AF_INET6:
+		return SIZEOF_SOCKADDR_IN6;
+	}
+	return SIZEOF_SOCKADDR_UNKNOWN;
+}
+
+static inline uint16_t
+get_port4(const struct sockaddr *sap)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+	return ntohs(sin->sin_port);
+}
+
+#ifdef IPV6_SUPPORTED
+static inline uint16_t
+get_port6(const struct sockaddr *sap)
+{
+	const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap;
+	return ntohs(sin6->sin6_port);
+}
+#else	/* !IPV6_SUPPORTED */
+static inline uint16_t
+get_port6(__attribute__ ((unused)) const struct sockaddr *sap)
+{
+	return 0;
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_get_port - extract port value from a socket address
+ * @sap: pointer to socket address
+ *
+ * Returns port value in host byte order, or zero if the
+ * socket address contains an unrecognized family.
+ */
+static inline uint16_t
+nfs_get_port(const struct sockaddr *sap)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		return get_port4(sap);
+	case AF_INET6:
+		return get_port6(sap);
+	}
+	return 0;
+}
+
+static inline void
+set_port4(struct sockaddr *sap, const uint16_t port)
+{
+	struct sockaddr_in *sin = (struct sockaddr_in *)sap;
+	sin->sin_port = htons(port);
+}
+
+#ifdef IPV6_SUPPORTED
+static inline void
+set_port6(struct sockaddr *sap, const uint16_t port)
+{
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
+	sin6->sin6_port = htons(port);
+}
+#else	/* !IPV6_SUPPORTED */
+static inline void
+set_port6(__attribute__ ((unused)) struct sockaddr *sap,
+		__attribute__ ((unused)) const uint16_t port)
+{
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_set_port - set port value in a socket address
+ * @sap: pointer to socket address
+ * @port: port value to set
+ *
+ */
+static inline void
+nfs_set_port(struct sockaddr *sap, const uint16_t port)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		set_port4(sap, port);
+		break;
+	case AF_INET6:
+		set_port6(sap, port);
+		break;
+	}
+}
+
+/**
+ * nfs_is_v4_loopback - test to see if socket address is AF_INET loopback
+ * @sap: pointer to socket address
+ *
+ * Returns true if the socket address is the standard IPv4 loopback
+ * address; otherwise false is returned.
+ */
+static inline _Bool
+nfs_is_v4_loopback(const struct sockaddr *sap)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+
+	if (sin->sin_family != AF_INET)
+		return false;
+	if (sin->sin_addr.s_addr != htonl(INADDR_LOOPBACK))
+		return false;
+        return true;
+}
+
+static inline _Bool
+compare_sockaddr4(const struct sockaddr *sa1, const struct sockaddr *sa2)
+{
+	const struct sockaddr_in *sin1 = (const struct sockaddr_in *)sa1;
+	const struct sockaddr_in *sin2 = (const struct sockaddr_in *)sa2;
+	return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
+}
+
+#ifdef IPV6_SUPPORTED
+static inline _Bool
+compare_sockaddr6(const struct sockaddr *sa1, const struct sockaddr *sa2)
+{
+	const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sa1;
+	const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sa2;
+	const struct in6_addr *saddr1 = &sin1->sin6_addr;
+	const struct in6_addr *saddr2 = &sin2->sin6_addr;
+
+	if (IN6_IS_ADDR_LINKLOCAL(saddr1) && IN6_IS_ADDR_LINKLOCAL(saddr2))
+		if (sin1->sin6_scope_id != sin2->sin6_scope_id)
+			return false;
+
+	return IN6_ARE_ADDR_EQUAL(saddr1, saddr2);
+}
+#else	/* !IPV6_SUPPORTED */
+static inline _Bool
+compare_sockaddr6(__attribute__ ((unused)) const struct sockaddr *sa1,
+		__attribute__ ((unused)) const struct sockaddr *sa2)
+{
+	return false;
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_compare_sockaddr - compare two socket addresses for equality
+ * @sa1: pointer to a socket address
+ * @sa2: pointer to a socket address
+ *
+ * Returns true if the two socket addresses contain equivalent
+ * network addresses; otherwise false is returned.
+ */
+static inline _Bool
+nfs_compare_sockaddr(const struct sockaddr *sa1, const struct sockaddr *sa2)
+{
+	if (sa1 == NULL || sa2 == NULL)
+		return false;
+
+	if (sa1->sa_family == sa2->sa_family)
+		switch (sa1->sa_family) {
+		case AF_INET:
+			return compare_sockaddr4(sa1, sa2);
+		case AF_INET6:
+			return compare_sockaddr6(sa1, sa2);
+		}
+
+	return false;
+}
+
+#endif	/* !NFS_UTILS_SOCKADDR_H */
diff --git a/support/include/sys/Makefile.am b/support/include/sys/Makefile.am
new file mode 100644
index 0000000..aead11d
--- /dev/null
+++ b/support/include/sys/Makefile.am
@@ -0,0 +1,5 @@
+## Process this file with automake to produce Makefile.in
+
+SUBDIRS = fs
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/support/include/sys/Makefile.in b/support/include/sys/Makefile.in
new file mode 100644
index 0000000..0f3e008
--- /dev/null
+++ b/support/include/sys/Makefile.in
@@ -0,0 +1,713 @@
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+
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+noinst_HEADERS = ext2fs.h
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+all: all-am
+
+.SUFFIXES:
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+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu support/include/sys/fs/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu support/include/sys/fs/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
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+	esac;
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
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+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
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+	      install; \
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
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+pdf: pdf-am
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+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/include/sys/fs/ext2fs.h b/support/include/sys/fs/ext2fs.h
new file mode 100644
index 0000000..93b3e2b
--- /dev/null
+++ b/support/include/sys/fs/ext2fs.h
@@ -0,0 +1,42 @@
+#ifndef _SYS_FS_EXT2FS_H
+#define _SYS_FS_EXT2FS_H
+
+/*
+ * ioctl commands
+ */
+#define	EXT2_IOC_GETFLAGS		_IOR('f', 1, long)
+#define	EXT2_IOC_SETFLAGS		_IOW('f', 2, long)
+#define	EXT2_IOC_GETVERSION		_IOR('v', 1, long)
+#define	EXT2_IOC_SETVERSION		_IOW('v', 2, long)
+
+/*
+ * File system states
+ */
+#define	EXT2_VALID_FS			0x0001	/* Unmounted cleanly */
+#define	EXT2_ERROR_FS			0x0002	/* Errors detected */
+
+/*
+ * Mount flags
+ */
+#define EXT2_MOUNT_CHECK_NORMAL		0x0001	/* Do some more checks */
+#define EXT2_MOUNT_CHECK_STRICT		0x0002	/* Do again more checks */
+#define EXT2_MOUNT_CHECK		(EXT2_MOUNT_CHECK_NORMAL | \
+					 EXT2_MOUNT_CHECK_STRICT)
+#define EXT2_MOUNT_GRPID		0x0004	/* Create files with directory's group */
+#define EXT2_MOUNT_DEBUG		0x0008	/* Some debugging messages */
+#define EXT2_MOUNT_ERRORS_CONT		0x0010	/* Continue on errors */
+#define EXT2_MOUNT_ERRORS_RO		0x0020	/* Remount fs ro on errors */
+#define EXT2_MOUNT_ERRORS_PANIC		0x0040	/* Panic on errors */
+#define EXT2_MOUNT_MINIX_DF		0x0080	/* Mimics the Minix statfs */
+
+#define clear_opt(o, opt)		o &= ~EXT2_MOUNT_##opt
+#define set_opt(o, opt)			o |= EXT2_MOUNT_##opt
+#define test_opt(sb, opt)		((sb)->u.ext2_sb.s_mount_opt & \
+					 EXT2_MOUNT_##opt)
+/*
+ * Maximal mount counts between two filesystem checks
+ */
+#define EXT2_DFL_MAX_MNT_COUNT		20	/* Allow 20 mounts */
+#define EXT2_DFL_CHECKINTERVAL		0	/* Don't use interval check */
+
+#endif	/* _SYS_FS_EXT2FS_H */
diff --git a/support/include/tcpwrapper.h b/support/include/tcpwrapper.h
new file mode 100644
index 0000000..f735106
--- /dev/null
+++ b/support/include/tcpwrapper.h
@@ -0,0 +1,12 @@
+#ifndef TCP_WRAPPER_H
+#define TCP_WRAPPER_H
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+extern int from_local(const struct sockaddr *sap);
+extern int check_default(char *name, struct sockaddr *sap,
+			const unsigned long program);
+
+#endif /* TCP_WRAPPER_H */
diff --git a/support/include/v4root.h b/support/include/v4root.h
new file mode 100644
index 0000000..706c15c
--- /dev/null
+++ b/support/include/v4root.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2009 Red Hat <nfs@redhat.com>
+ * support/include/v4root.h
+ *
+ * Support routines for dynamic pseudo roots.
+ *
+ */
+
+#ifndef V4ROOT_H
+#define V4ROOT_H
+
+extern int v4root_needed;
+extern void v4root_set(void);
+
+#endif /* V4ROOT_H */
diff --git a/support/include/version.h b/support/include/version.h
new file mode 100644
index 0000000..d7cf680
--- /dev/null
+++ b/support/include/version.h
@@ -0,0 +1,53 @@
+/*
+ * version.h -- get running kernel version
+ *
+ * Copyright (C) 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_VERSION_H
+#define _NFS_UTILS_MOUNT_VERSION_H
+
+#include <stdio.h>
+#include <limits.h>
+
+#include <sys/utsname.h>
+
+static inline unsigned int MAKE_VERSION(unsigned int p, unsigned int q,
+					unsigned int r)
+{
+	return (65536 * p) + (256 * q) + r;
+}
+
+static inline unsigned int linux_version_code(void)
+{
+	struct utsname my_utsname;
+	unsigned int p, q = 0, r = 0;
+
+	/* UINT_MAX as backward compatibility code should not be run */
+	if (uname(&my_utsname))
+		return UINT_MAX;
+
+	/* UINT_MAX as future versions might not start with an integer */
+	if (sscanf(my_utsname.release, "%u.%u.%u", &p, &q, &r) < 1)
+		return UINT_MAX;
+	
+	return MAKE_VERSION(p, q, r);
+}
+
+#endif	/* _NFS_UTILS_MOUNT_VERSION_H */
diff --git a/support/include/workqueue.h b/support/include/workqueue.h
new file mode 100644
index 0000000..518be82
--- /dev/null
+++ b/support/include/workqueue.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2019 Trond Myklebust <trond.myklebust@hammerspace.com>
+ */
+#ifndef WORKQUEUE_H
+#define WORKQUEUE_H
+
+struct xthread_workqueue;
+
+struct xthread_workqueue *xthread_workqueue_alloc(void);
+void xthread_workqueue_shutdown(struct xthread_workqueue *wq);
+
+void xthread_work_run_sync(struct xthread_workqueue *wq,
+		void (*fn)(void *), void *data);
+
+void xthread_workqueue_chroot(struct xthread_workqueue *wq,
+		const char *path);
+
+#endif
diff --git a/support/include/xcommon.h b/support/include/xcommon.h
new file mode 100644
index 0000000..efde83c
--- /dev/null
+++ b/support/include/xcommon.h
@@ -0,0 +1,65 @@
+/*
+ * xcommon.h -- Support function prototypes. Functions are in xcommon.c.
+ *
+ * 2006-06-06 Amit Gud <agud@redhat.com>
+ * - Moved code snippets  from mount/sundries.h of util-linux
+ *   and merged code from support/nfs/xmalloc.c by Olaf Kirch <okir@monad.swb.de> here.
+ */
+
+#ifndef _XMALLOC_H
+#define _XMALLOC_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef MAJOR_IN_MKDEV
+#include <sys/mkdev.h>
+#elif defined(MAJOR_IN_SYSMACROS)
+#include <sys/sysmacros.h>
+#endif
+
+#define streq(s, t)	(strcmp ((s), (t)) == 0)
+
+#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
+#define X_FORMAT(_x) __attribute__((__format__ _x))
+#else
+#define X_FORMAT(_x)
+#endif
+
+/* Functions in sundries.c that are used in mount.c and umount.c  */
+char *canonicalize (const char *path);
+void nfs_error (const char *fmt, ...) X_FORMAT((printf, 1, 2));
+void *xmalloc (size_t size);
+void *xrealloc(void *p, size_t size);
+void xfree(void *);
+char *xstrdup (const char *s);
+char *xstrndup (const char *s, int n);
+char *xstrconcat2 (const char *, const char *);
+char *xstrconcat3 (const char *, const char *, const char *);
+char *xstrconcat4 (const char *, const char *, const char *, const char *);
+void die (int errcode, const char *fmt, ...) X_FORMAT((printf, 2, 3));
+
+extern void die(int err, const char *fmt, ...) X_FORMAT((printf, 2, 3));
+extern void (*at_die)(void);
+
+/* exit status - bits below are ORed */
+#define EX_SUCCESS	0	/* no failure occurred */
+#define EX_USAGE	1	/* incorrect invocation or permission */
+#define EX_SYSERR	2	/* out of memory, cannot fork, ... */
+#define EX_SOFTWARE	4	/* internal mount bug or wrong version */
+#define EX_USER		8	/* user interrupt */
+#define EX_FILEIO      16	/* problems writing, locking, ... mtab/fstab */
+#define EX_FAIL	       32	/* mount failure */
+#define EX_SOMEOK      64	/* some mount succeeded */
+#define EX_BG         256       /* retry in background (internal only) */
+
+#endif /* XMALLOC_H */
diff --git a/support/include/xio.h b/support/include/xio.h
new file mode 100644
index 0000000..a8e288e
--- /dev/null
+++ b/support/include/xio.h
@@ -0,0 +1,26 @@
+/*
+ * xio.h	Declarations for simple parsing functions.
+ *
+ */
+
+#ifndef XIO_H
+#define XIO_H
+
+#include <stdio.h>
+
+typedef struct XFILE {
+	FILE		*x_fp;
+	int		x_line;
+} XFILE;
+
+XFILE	*xfopen(char *fname, char *type);
+int	xflock(char *fname, char *type);
+void	xfunlock(int lockid);
+void	xfclose(XFILE *xfp);
+int	xgettok(XFILE *xfp, char sepa, char *tok, int len);
+int	xgetc(XFILE *xfp);
+void	xungetc(int c, XFILE *xfp);
+void	xskip(XFILE *xfp, char *str);
+char	xskipcomment(XFILE *xfp);
+
+#endif /* XIO_H */
diff --git a/support/include/xlog.h b/support/include/xlog.h
new file mode 100644
index 0000000..69cdf61
--- /dev/null
+++ b/support/include/xlog.h
@@ -0,0 +1,62 @@
+/*
+ * xlog		Logging functionality
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef XLOG_H
+#define XLOG_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdarg.h>
+
+/* These are logged always. L_FATAL also does exit(1) */
+#define L_FATAL		0x0100
+#define L_ERROR		0x0200
+#define L_WARNING	0x0400
+#define L_NOTICE	0x0800
+#define L_ALL		0xFF00
+
+/* These are logged if enabled with xlog_[s]config */
+/* NB: code does not expect ORing together D_ and L_ */
+#define D_GENERAL	0x0001		/* general debug info */
+#define D_CALL		0x0002
+#define D_AUTH		0x0004
+#define D_FAC3		0x0008
+#define D_FAC4		0x0010
+#define D_FAC5		0x0020
+#define D_PARSE		0x0040
+#define D_FAC7		0x0080
+#define D_ALL		0x00FF
+
+/* This can be used to define symbolic log names that can be passed to
+ * xlog_config. */
+struct xlog_debugfac {
+	char		*df_name;
+	int		df_fac;
+};
+
+#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
+#define XLOG_FORMAT(_x) __attribute__((__format__ _x))
+#else
+#define XLOG_FORMAT(_x)
+#endif
+
+extern int export_errno;
+void			xlog_open(char *progname);
+void			xlog_stderr(int on);
+void			xlog_syslog(int on);
+void			xlog_config(int fac, int on);
+void			xlog_sconfig(char *, int on);
+void			xlog_set_debug(char *);
+int			xlog_enabled(int fac);
+void			xlog(int fac, const char *fmt, ...) XLOG_FORMAT((printf, 2, 3));
+void			xlog_warn(const char *fmt, ...) XLOG_FORMAT((printf, 1, 2));
+void			xlog_err(const char *fmt, ...) XLOG_FORMAT((printf, 1, 2));
+void			xlog_errno(int err, const char *fmt, ...) XLOG_FORMAT((printf, 2, 3));
+void			xlog_backend(int fac, const char *fmt, va_list args) XLOG_FORMAT((printf, 2, 0));
+
+#endif /* XLOG_H */
diff --git a/support/include/xmalloc.h b/support/include/xmalloc.h
new file mode 100644
index 0000000..8b82800
--- /dev/null
+++ b/support/include/xmalloc.h
@@ -0,0 +1 @@
+#include "xcommon.h"
diff --git a/support/include/xstat.h b/support/include/xstat.h
new file mode 100644
index 0000000..f1241bb
--- /dev/null
+++ b/support/include/xstat.h
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2019 Trond Myklebust <trond.myklebust@hammerspace.com>
+ */
+#ifndef XSTAT_H
+#define XSTAT_H
+
+struct stat;
+
+int xlstat(const char *pathname, struct stat *statbuf);
+int xstat(const char *pathname, struct stat *statbuf);
+#endif
diff --git a/support/junction/Makefile.am b/support/junction/Makefile.am
new file mode 100644
index 0000000..be6958b
--- /dev/null
+++ b/support/junction/Makefile.am
@@ -0,0 +1,32 @@
+##
+## @file support/junction/Makefile.am
+## @brief Process this file with automake to produce src/libjunction/Makefile.in
+##
+
+##
+## Copyright 2010, 2018 Oracle.  All rights reserved.
+##
+## This file is part of nfs-utils.
+##
+## nfs-utils is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License version 2.0 as
+## published by the Free Software Foundation.
+##
+## nfs-utils is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License version 2.0 for more details.
+##
+## You should have received a copy of the GNU General Public License
+## version 2.0 along with nfs-utils.  If not, see:
+##
+##      http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+##
+
+noinst_HEADERS		= junction-internal.h
+
+noinst_LTLIBRARIES	= libjunction.la
+libjunction_la_SOURCES	= display.c export-cache.c junction.c \
+			  locations.c nfs.c path.c xml.c
+
+MAINTAINERCLEANFILES	= Makefile.in
diff --git a/support/junction/Makefile.in b/support/junction/Makefile.in
new file mode 100644
index 0000000..8ca8ad3
--- /dev/null
+++ b/support/junction/Makefile.in
@@ -0,0 +1,715 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
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+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
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+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
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+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+	$(am__DIST_COMMON)
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+LTLIBRARIES = $(noinst_LTLIBRARIES)
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+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
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+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/support/include
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/display.Plo \
+	./$(DEPDIR)/export-cache.Plo ./$(DEPDIR)/junction.Plo \
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+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
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+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
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+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
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+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
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+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
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+SOURCES = $(libjunction_la_SOURCES)
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+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
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+'
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+# e.g., the same source file might be shared among _SOURCES variables
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+am__define_uniq_tagged_files = \
+  list='$(am__tagged_files)'; \
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+am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp
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+noinst_HEADERS = junction-internal.h
+noinst_LTLIBRARIES = libjunction.la
+libjunction_la_SOURCES = display.c export-cache.c junction.c \
+			  locations.c nfs.c path.c xml.c
+
+MAINTAINERCLEANFILES = Makefile.in
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+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu support/junction/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu support/junction/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+libjunction.la: $(libjunction_la_OBJECTS) $(libjunction_la_DEPENDENCIES) $(EXTRA_libjunction_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK)  $(libjunction_la_OBJECTS) $(libjunction_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/display.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/export-cache.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/junction.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/locations.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nfs.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/path.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/xml.Plo@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+
+.c.obj:
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+.c.lo:
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+installcheck: installcheck-am
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+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/display.Plo
+	-rm -f ./$(DEPDIR)/export-cache.Plo
+	-rm -f ./$(DEPDIR)/junction.Plo
+	-rm -f ./$(DEPDIR)/locations.Plo
+	-rm -f ./$(DEPDIR)/nfs.Plo
+	-rm -f ./$(DEPDIR)/path.Plo
+	-rm -f ./$(DEPDIR)/xml.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
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+html: html-am
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+html-am:
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+info: info-am
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+install-html: install-html-am
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+install-ps: install-ps-am
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+install-ps-am:
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+installcheck-am:
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+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/display.Plo
+	-rm -f ./$(DEPDIR)/export-cache.Plo
+	-rm -f ./$(DEPDIR)/junction.Plo
+	-rm -f ./$(DEPDIR)/locations.Plo
+	-rm -f ./$(DEPDIR)/nfs.Plo
+	-rm -f ./$(DEPDIR)/path.Plo
+	-rm -f ./$(DEPDIR)/xml.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+pdf: pdf-am
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+ps-am:
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+uninstall-am:
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/junction/display.c b/support/junction/display.c
new file mode 100644
index 0000000..e1e1af1
--- /dev/null
+++ b/support/junction/display.c
@@ -0,0 +1,139 @@
+/**
+ * @file support/junction/display.c
+ * @brief Shared display helper functions
+ */
+
+/*
+ * Copyright 2010, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "junction.h"
+
+/**
+ * Return human-readable equivalent of a FedFsStatus value
+ *
+ * @param status FedFsStatus code
+ * @return a static NUL-terminated C string
+ */
+const char *
+nsdb_display_fedfsstatus(const FedFsStatus status)
+{
+	switch (status) {
+	case FEDFS_OK:
+		return "FEDFS_OK";
+	case FEDFS_ERR_ACCESS:
+		return "FEDFS_ERR_ACCESS";
+	case FEDFS_ERR_BADCHAR:
+		return "FEDFS_ERR_BADCHAR";
+	case FEDFS_ERR_BADNAME:
+		return "FEDFS_ERR_BADNAME";
+	case FEDFS_ERR_NAMETOOLONG:
+		return "FEDFS_ERR_NAMETOOLONG";
+	case FEDFS_ERR_LOOP:
+		return "FEDFS_ERR_LOOP";
+	case FEDFS_ERR_BADXDR:
+		return "FEDFS_ERR_BADXDR";
+	case FEDFS_ERR_EXIST:
+		return "FEDFS_ERR_EXIST";
+	case FEDFS_ERR_INVAL:
+		return "FEDFS_ERR_INVAL";
+	case FEDFS_ERR_IO:
+		return "FEDFS_ERR_IO";
+	case FEDFS_ERR_NOSPC:
+		return "FEDFS_ERR_NOSPC";
+	case FEDFS_ERR_NOTJUNCT:
+		return "FEDFS_ERR_NOTJUNCT";
+	case FEDFS_ERR_NOTLOCAL:
+		return "FEDFS_ERR_NOTLOCAL";
+	case FEDFS_ERR_PERM:
+		return "FEDFS_ERR_PERM";
+	case FEDFS_ERR_ROFS:
+		return "FEDFS_ERR_ROFS";
+	case FEDFS_ERR_SVRFAULT:
+		return "FEDFS_ERR_SVRFAULT";
+	case FEDFS_ERR_NOTSUPP:
+		return "FEDFS_ERR_NOTSUPP";
+	case FEDFS_ERR_NSDB_ROUTE:
+		return "FEDFS_ERR_NSDB_ROUTE";
+	case FEDFS_ERR_NSDB_DOWN:
+		return "FEDFS_ERR_NSDB_DOWN";
+	case FEDFS_ERR_NSDB_CONN:
+		return "FEDFS_ERR_NSDB_CONN";
+	case FEDFS_ERR_NSDB_AUTH:
+		return "FEDFS_ERR_NSDB_AUTH";
+	case FEDFS_ERR_NSDB_LDAP:
+		return "FEDFS_ERR_NSDB_LDAP";
+	case FEDFS_ERR_NSDB_LDAP_VAL:
+		return "FEDFS_ERR_NSDB_LDAP_VAL";
+	case FEDFS_ERR_NSDB_NONCE:
+		return "FEDFS_ERR_NSDB_NONCE";
+	case FEDFS_ERR_NSDB_NOFSN:
+		return "FEDFS_ERR_NSDB_NOFSN";
+	case FEDFS_ERR_NSDB_NOFSL:
+		return "FEDFS_ERR_NSDB_NOFSL";
+	case FEDFS_ERR_NSDB_RESPONSE:
+		return "FEDFS_ERR_NSDB_RESPONSE";
+	case FEDFS_ERR_NSDB_FAULT:
+		return "FEDFS_ERR_NSDB_FAULT";
+	case FEDFS_ERR_NSDB_PARAMS:
+		return "FEDFS_ERR_NSDB_PARAMS";
+	case FEDFS_ERR_NSDB_LDAP_REFERRAL:
+		return "FEDFS_ERR_NSDB_LDAP_REFERRAL";
+	case FEDFS_ERR_NSDB_LDAP_REFERRAL_VAL:
+		return "FEDFS_ERR_NSDB_LDAP_REFERRAL_VAL";
+	case FEDFS_ERR_NSDB_PARAMS_LDAP_REFERRAL:
+		return "FEDFS_ERR_NSDB_PARAMS_LDAP_REFERRAL";
+	case FEDFS_ERR_PATH_TYPE_UNSUPP:
+		return "FEDFS_ERR_PATH_TYPE_UNSUPP";
+	case FEDFS_ERR_DELAY:
+		return "FEDFS_ERR_DELAY";
+	case FEDFS_ERR_NO_CACHE:
+		return "FEDFS_ERR_NO_CACHE";
+	case FEDFS_ERR_UNKNOWN_CACHE:
+		return "FEDFS_ERR_UNKNOWN_CACHE";
+	case FEDFS_ERR_NO_CACHE_UPDATE:
+		return "FEDFS_ERR_NO_CACHE_UPDATE";
+	default:
+		break;
+	}
+	return "an unrecognized error code";
+}
+
+/**
+ * Display human-readable FedFsStatus on stderr
+ *
+ * @param status FedFsStatus value to display
+ */
+void
+nsdb_print_fedfsstatus(const FedFsStatus status)
+{
+	if (status == FEDFS_OK) {
+		printf("Call completed successfully\n");
+		return;
+	}
+
+	fprintf(stderr, "Server returned %s\n",
+			nsdb_display_fedfsstatus(status));
+}
diff --git a/support/junction/export-cache.c b/support/junction/export-cache.c
new file mode 100644
index 0000000..4e578c9
--- /dev/null
+++ b/support/junction/export-cache.c
@@ -0,0 +1,118 @@
+/**
+ * @file support/junction/export-cache.c
+ * @brief Try to flush NFSD's exports cache
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+
+
+#include "junction.h"
+#include "xlog.h"
+
+/**
+ * Ordered list of proc files to poke when requesting an NFSD cache flush
+ */
+static const char *junction_proc_files[] = {
+	"/proc/net/rpc/auth.unix.ip/flush",
+	"/proc/net/rpc/auth.unix.gid/flush",
+	"/proc/net/rpc/nfsd.fh/flush",
+	"/proc/net/rpc/nfsd.export/flush",
+	NULL,
+};
+
+/**
+ * Write time into one file
+ *
+ * @param pathname NUL-terminated C string containing POSIX pathname of file to write
+ * @param flushtime NUL-terminated C string containing current time in seconds since the Epoch
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+junction_write_time(const char *pathname, const char *flushtime)
+{
+	FedFsStatus retval;
+	ssize_t len;
+	int fd;
+
+	fd = open(pathname, O_RDWR);
+	if (fd == -1) {
+		xlog(D_GENERAL, "%s: Failed to open %s: %m",
+			__func__, pathname);
+		/* If the proc files don't exist, no server
+		 * is running on this system */
+		return FEDFS_ERR_NO_CACHE_UPDATE;
+	}
+
+	len = write(fd, flushtime, strlen(flushtime));
+	if (len != (ssize_t)strlen(flushtime)) {
+		xlog(D_GENERAL, "%s: Failed to write %s: %m",
+			__func__, pathname);
+		/* If the proc files exist but the update failed,
+		 * we don't know the state of the cache */
+		retval = FEDFS_ERR_UNKNOWN_CACHE;
+	} else
+		/* Cache flush succeeded */
+		retval = FEDFS_OK;
+
+	(void)close(fd);
+	return retval;
+}
+
+/**
+ * Flush the kernel NFSD's exports cache
+ *
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_flush_exports_cache(void)
+{
+	FedFsStatus retval;
+	char flushtime[20];
+	unsigned int i;
+	time_t now;
+
+	xlog(D_CALL, "%s: Flushing NFSD caches...", __func__);
+
+	now = time(NULL);
+	if (now == -1) {
+		xlog(D_GENERAL, "%s: time(3) failed", __func__);
+		return FEDFS_ERR_SVRFAULT;
+	}
+	snprintf(flushtime, sizeof(flushtime), "%ld\n", now);
+
+	for (i = 0; junction_proc_files[i] != NULL; i++) {
+		retval = junction_write_time(junction_proc_files[i], flushtime);
+		if (retval != FEDFS_OK)
+			return retval;
+	}
+	return FEDFS_OK;
+}
diff --git a/support/junction/junction-internal.h b/support/junction/junction-internal.h
new file mode 100644
index 0000000..3dff4cc
--- /dev/null
+++ b/support/junction/junction-internal.h
@@ -0,0 +1,121 @@
+/*
+ * @file support/junction/junction-internal.h
+ * @brief Internal declarations for libjunction.a
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#ifndef _FEDFS_JUNCTION_INTERNAL_H_
+#define _FEDFS_JUNCTION_INTERNAL_H_
+
+#include <libxml/tree.h>
+#include <libxml/xpath.h>
+
+/**
+ ** Names of extended attributes that store junction data
+ **/
+
+/**
+ * Name of extended attribute containing saved mode bits
+ */
+#define JUNCTION_XATTR_NAME_MODE	"trusted.junction.mode"
+
+/**
+ * Name of extended attribute containing NFS-related junction data
+ */
+#define JUNCTION_XATTR_NAME_NFS		"trusted.junction.nfs"
+
+
+/**
+ ** Names of XML elements and attributes that represent junction data
+ **/
+
+/**
+ * Tag name of root element of a junction XML document
+ */
+#define JUNCTION_XML_ROOT_TAG		(const xmlChar *)"junction"
+
+/**
+ * Tag name of fileset element of a junction XML document
+ */
+#define JUNCTION_XML_FILESET_TAG	(const xmlChar *)"fileset"
+
+/**
+ * Tag name of savedmode element of a junction XML document
+ */
+#define JUNCTION_XML_SAVEDMODE_TAG	(const xmlChar *)"savedmode"
+
+/**
+ * Name of mode bits attribute on a savedmode element
+ */
+#define JUNCTION_XML_MODEBITS_ATTR	(const xmlChar *)"bits"
+
+/**
+ ** Junction helper functions
+ **/
+
+FedFsStatus	 junction_open_path(const char *pathname, int *fd);
+FedFsStatus	 junction_is_directory(int fd, const char *path);
+FedFsStatus	 junction_is_sticky_bit_set(int fd, const char *path);
+FedFsStatus	 junction_set_sticky_bit(int fd, const char *path);
+FedFsStatus	 junction_is_xattr_present(int fd, const char *path,
+				const char *name);
+FedFsStatus	 junction_read_xattr(int fd, const char *path, const char *name,
+				char **contents);
+FedFsStatus	 junction_get_xattr(int fd, const char *path, const char *name,
+				void **contents, size_t *contentlen);
+FedFsStatus	 junction_set_xattr(int fd, const char *path, const char *name,
+			const void *contents, const size_t contentlen);
+FedFsStatus	 junction_remove_xattr(int fd, const char *pathname,
+			const char *name);
+FedFsStatus	 junction_get_mode(const char *pathname, mode_t *mode);
+FedFsStatus	 junction_save_mode(const char *pathname);
+FedFsStatus	 junction_restore_mode(const char *pathname);
+
+
+/**
+ ** XML helper functions
+ **/
+
+_Bool		 junction_xml_is_empty(const xmlChar *content);
+_Bool		 junction_xml_match_node_name(xmlNodePtr node,
+			const xmlChar *name);
+xmlNodePtr	 junction_xml_find_child_by_name(xmlNodePtr parent,
+			const xmlChar *name);
+_Bool		 junction_xml_get_bool_attribute(xmlNodePtr node,
+			const xmlChar *attrname, _Bool *value);
+void		 junction_xml_set_bool_attribute(xmlNodePtr node,
+			const xmlChar *attrname, _Bool value);
+_Bool		 junction_xml_get_u8_attribute(xmlNodePtr node,
+			const xmlChar *attrname, uint8_t *value);
+_Bool		 junction_xml_get_int_attribute(xmlNodePtr node,
+			const xmlChar *attrname, int *value);
+void		 junction_xml_set_int_attribute(xmlNodePtr node,
+			const xmlChar *attrname, int value);
+_Bool		 junction_xml_get_int_content(xmlNodePtr node, int *value);
+xmlNodePtr	 junction_xml_set_int_content(xmlNodePtr parent,
+			const xmlChar *name, int value);
+FedFsStatus	 junction_xml_parse(const char *pathname, const char *name,
+			xmlDocPtr *doc);
+FedFsStatus	 junction_xml_write(const char *pathname, const char *name,
+			xmlDocPtr doc);
+
+#endif	/* !_FEDFS_JUNCTION_INTERNAL_H_ */
diff --git a/support/junction/junction.c b/support/junction/junction.c
new file mode 100644
index 0000000..c1ec8ff
--- /dev/null
+++ b/support/junction/junction.c
@@ -0,0 +1,498 @@
+/**
+ * @file support/junction/junction.c
+ * @brief Common utilities for managing junctions on the local file system
+ */
+
+/*
+ * Copyright 2010, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <wchar.h>
+#include <memory.h>
+#include <signal.h>
+#include <errno.h>
+#include <dirent.h>
+
+#include <sys/xattr.h>
+
+#include "junction.h"
+#include "junction-internal.h"
+#include "xlog.h"
+
+/**
+ * Open a file system object
+ *
+ * @param pathname NUL-terminated C string containing pathname of an object
+ * @param fd OUT: a file descriptor number is filled in
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_open_path(const char *pathname, int *fd)
+{
+	int tmp;
+
+	if (pathname == NULL || fd == NULL)
+		return FEDFS_ERR_INVAL;
+
+	tmp = open(pathname, O_DIRECTORY);
+	if (tmp == -1) {
+		switch (errno) {
+		case EPERM:
+			return FEDFS_ERR_ACCESS;
+		case EACCES:
+			return FEDFS_ERR_PERM;
+		default:
+			xlog(D_GENERAL, "%s: Failed to open path %s: %m",
+				__func__, pathname);
+			return FEDFS_ERR_INVAL;
+		}
+	}
+
+	*fd = tmp;
+	return FEDFS_OK;
+}
+
+/**
+ * Predicate: is object a directory?
+ *
+ * @param fd an open file descriptor
+ * @param path NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_is_directory(int fd, const char *path)
+{
+	struct stat stb;
+
+	if (fstatat(fd, "", &stb, AT_NO_AUTOMOUNT|AT_EMPTY_PATH) == -1) {
+		xlog(D_GENERAL, "%s: failed to stat %s: %m",
+				__func__, path);
+		return FEDFS_ERR_ACCESS;
+	}
+
+	if (!S_ISDIR(stb.st_mode)) {
+		xlog(D_CALL, "%s: %s is not a directory",
+				__func__, path);
+		return FEDFS_ERR_INVAL;
+	}
+
+	xlog(D_CALL, "%s: %s is a directory", __func__, path);
+	return FEDFS_OK;
+}
+
+/**
+ * Predicate: is a directory's sticky bit set?
+ *
+ * @param fd an open file descriptor
+ * @param path NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_is_sticky_bit_set(int fd, const char *path)
+{
+	struct stat stb;
+
+	if (fstatat(fd, "", &stb, AT_NO_AUTOMOUNT|AT_EMPTY_PATH) == -1) {
+		xlog(D_GENERAL, "%s: failed to stat %s: %m",
+				__func__, path);
+		return FEDFS_ERR_ACCESS;
+	}
+
+	if (stb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) {
+		xlog(D_CALL, "%s: execute bit set on %s",
+				__func__, path);
+		return FEDFS_ERR_NOTJUNCT;
+	}
+
+	if (!(stb.st_mode & S_ISVTX)) {
+		xlog(D_CALL, "%s: sticky bit not set on %s",
+				__func__, path);
+		return FEDFS_ERR_NOTJUNCT;
+	}
+
+	xlog(D_CALL, "%s: sticky bit is set on %s", __func__, path);
+	return FEDFS_OK;
+}
+
+/**
+ * Set just a directory's sticky bit
+ *
+ * @param fd an open file descriptor
+ * @param path NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_set_sticky_bit(int fd, const char *path)
+{
+	struct stat stb;
+
+	if (fstatat(fd, "", &stb, AT_NO_AUTOMOUNT|AT_EMPTY_PATH) == -1) {
+		xlog(D_GENERAL, "%s: failed to stat %s: %m",
+			__func__, path);
+		return FEDFS_ERR_ACCESS;
+	}
+
+	stb.st_mode &= (unsigned int)~ALLPERMS;
+	stb.st_mode |= S_ISVTX;
+
+	if (fchmod(fd, stb.st_mode) == -1) {
+		xlog(D_GENERAL, "%s: failed to set sticky bit on %s: %m",
+			__func__, path);
+		return FEDFS_ERR_ROFS;
+	}
+
+	xlog(D_CALL, "%s: set sticky bit on %s", __func__, path);
+	return FEDFS_OK;
+}
+
+/**
+ * Predicate: does a directory have an xattr named "name"?
+ *
+ * @param fd an open file descriptor
+ * @param path NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to check
+ * @return a FedFsStatus code
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+FedFsStatus
+junction_is_xattr_present(int fd, const char *path, const char *name)
+{
+	ssize_t rc;
+
+	/*
+	 * Do not assume the total number of extended attributes
+	 * this object may have.
+	 */
+	rc = fgetxattr(fd, name, NULL, 0);
+	if (rc == -1) {
+		switch (errno) {
+		case EPERM:
+			xlog(D_CALL, "%s: no access to xattr %s on %s",
+				__func__, name, path);
+			return FEDFS_ERR_PERM;
+		case ENODATA:
+			xlog(D_CALL, "%s: no xattr %s present on %s",
+				__func__, name, path);
+			return FEDFS_ERR_NOTJUNCT;
+		default:
+			xlog(D_CALL, "%s: xattr %s not found on %s: %m",
+				__func__, name, path);
+			return FEDFS_ERR_IO;
+		}
+	}
+
+	xlog(D_CALL, "%s: xattr %s found on %s",
+			__func__, name, path);
+	return FEDFS_OK;
+}
+
+/**
+ * Read the contents of xattr "name"
+ *
+ * @param fd an open file descriptor
+ * @param path NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to retrieve
+ * @param contents OUT: NUL-terminated C string containing contents of xattr
+ * @return a FedFsStatus code
+ *
+ * If junction_read_xattr() returns FEDFS_OK, the caller must free "*contents"
+ * with free(3).
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+FedFsStatus
+junction_read_xattr(int fd, const char *path, const char *name, char **contents)
+{
+	char *xattrbuf = NULL;
+	ssize_t len;
+
+	len = fgetxattr(fd, name, xattrbuf, 0);
+	if (len < 0) {
+		xlog(D_GENERAL, "%s: failed to get size of xattr %s on %s: %m",
+			__func__, name, path);
+		return FEDFS_ERR_ACCESS;
+	}
+
+	xattrbuf = malloc((size_t)len + 1);
+	if (xattrbuf == NULL) {
+		xlog(D_GENERAL, "%s: failed to get buffer for xattr %s on %s",
+			__func__, name, path);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	if (fgetxattr(fd, name, xattrbuf, (size_t)len) == -1) {
+		xlog(D_GENERAL, "%s: failed to get xattr %s on %s: %m",
+			__func__, name, path);
+		free(xattrbuf);
+		return FEDFS_ERR_ACCESS;
+	}
+	xattrbuf[len] = '\0';
+
+	xlog(D_CALL, "%s: read xattr %s from path %s",
+			__func__, name, path);
+	*contents = xattrbuf;
+	return FEDFS_OK;
+}
+
+/**
+ * Retrieve the contents of xattr "name"
+ *
+ * @param fd an open file descriptor
+ * @param path NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to retrieve
+ * @param contents OUT: opaque byte array containing contents of xattr
+ * @param contentlen OUT: size of "contents"
+ * @return a FedFsStatus code
+ *
+ * If junction_get_xattr() returns FEDFS_OK, the caller must free "*contents"
+ * with free(3).
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+FedFsStatus
+junction_get_xattr(int fd, const char *path, const char *name, void **contents,
+		size_t *contentlen)
+{
+	void *xattrbuf = NULL;
+	ssize_t len;
+
+	len = fgetxattr(fd, name, xattrbuf, 0);
+	if (len < 0) {
+		xlog(D_GENERAL, "%s: failed to get size of xattr %s on %s: %m",
+			__func__, name, path);
+		return FEDFS_ERR_ACCESS;
+	}
+
+	xattrbuf = malloc((size_t)len);
+	if (xattrbuf == NULL) {
+		xlog(D_GENERAL, "%s: failed to get buffer for xattr %s on %s",
+			__func__, name, path);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	if (fgetxattr(fd, name, xattrbuf, (size_t)len) == -1) {
+		xlog(D_GENERAL, "%s: failed to get xattr %s on %s: %m",
+			__func__, name, path);
+		free(xattrbuf);
+		return FEDFS_ERR_ACCESS;
+	}
+
+	xlog(D_CALL, "%s: read xattr %s from path %s",
+			__func__, name, path);
+	*contents = xattrbuf;
+	*contentlen = (size_t)len;
+	return FEDFS_OK;
+}
+
+/**
+ * Update the contents of an xattr
+ *
+ * @param fd an open file descriptor
+ * @param path NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to set
+ * @param contents opaque byte array containing contents of xattr
+ * @param contentlen size of "contents"
+ * @return a FedFsStatus code
+ *
+ * The extended attribute is created if it does not exist.
+ * Its contents are replaced if it does.
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+FedFsStatus
+junction_set_xattr(int fd, const char *path, const char *name,
+			const void *contents, const size_t contentlen)
+{
+	/*
+	 * XXX: Eventually should distinguish among several errors:
+	 *	object isn't there, no root access, some other issue
+	 */
+	if (fsetxattr(fd, name, contents, contentlen, 0) == -1) {
+		xlog(D_GENERAL, "%s: Failed to set xattr %s on %s: %m",
+			__func__, name, path);
+		return FEDFS_ERR_IO;
+	}
+
+	xlog(D_CALL, "%s: Wrote xattr %s from path %s",
+			__func__, name, path);
+	return FEDFS_OK;
+}
+
+/**
+ * Remove one xattr
+ *
+ * @param fd an open file descriptor
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to set
+ * @return a FedFsStatus code
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+FedFsStatus
+junction_remove_xattr(int fd, const char *pathname, const char *name)
+{
+	/*
+	 * XXX: Eventually should distinguish among several errors:
+	 *	object isn't there, no root access, some other issue
+	 */
+	if (fremovexattr(fd, name) == -1) {
+		xlog(D_GENERAL, "%s: failed to remove xattr %s from %s: %m",
+			__func__, name, pathname);
+		return FEDFS_ERR_ACCESS;
+	}
+	xlog(D_CALL, "%s: removed xattr %s from path %s",
+			__func__, name, pathname);
+	return FEDFS_OK;
+}
+
+/**
+ * Retrieve object's mode bits.
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @param mode OUT: mode bits
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_get_mode(const char *pathname, mode_t *mode)
+{
+	FedFsStatus retval;
+	struct stat stb;
+	int fd;
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	if (fstatat(fd, "", &stb, AT_NO_AUTOMOUNT|AT_EMPTY_PATH) == -1) {
+		xlog(D_GENERAL, "%s: failed to stat %s: %m",
+			__func__, pathname);
+		(void)close(fd);
+		return FEDFS_ERR_ACCESS;
+	}
+	(void)close(fd);
+
+	xlog(D_CALL, "%s: pathname %s has mode %o",
+		__func__, pathname, stb.st_mode);
+	*mode = stb.st_mode;
+	return FEDFS_OK;
+
+}
+
+/**
+ * Save the object's mode in an xattr.  Saved mode is human-readable.
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_save_mode(const char *pathname)
+{
+	FedFsStatus retval;
+	mode_t mode;
+	char buf[8];
+	int fd;
+
+	retval = junction_get_mode(pathname, &mode);
+	if (retval != FEDFS_OK)
+		return retval;
+	(void)snprintf(buf, sizeof(buf), "%o", ALLPERMS & mode);
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = junction_set_xattr(fd, pathname, JUNCTION_XATTR_NAME_MODE,
+				buf, strlen(buf));
+	if (retval != FEDFS_OK)
+		goto out;
+
+	retval = junction_set_sticky_bit(fd, pathname);
+	if (retval != FEDFS_OK) {
+		(void)junction_remove_xattr(fd, pathname,
+						JUNCTION_XATTR_NAME_MODE);
+		goto out;
+	}
+
+	xlog(D_CALL, "%s: saved mode %o to %s", __func__, mode, pathname);
+	retval = FEDFS_OK;
+
+out:
+	(void)close(fd);
+	return retval;
+
+}
+
+/**
+ * Restore an object's mode bits
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ */
+FedFsStatus
+junction_restore_mode(const char *pathname)
+{
+	FedFsStatus retval;
+	char *buf = NULL;
+	mode_t mode;
+	int fd;
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = junction_read_xattr(fd, pathname, JUNCTION_XATTR_NAME_MODE, &buf);
+	if (retval != FEDFS_OK)
+		goto out;
+
+	retval = FEDFS_ERR_SVRFAULT;
+	if (sscanf((char *)buf, "%o", &mode) != 1) {
+		xlog(D_GENERAL, "%s: failed to parse saved mode on %s",
+			__func__, pathname);
+		goto out;
+	}
+
+	retval = FEDFS_ERR_ROFS;
+	if (fchmod(fd, mode) == -1) {
+		xlog(D_GENERAL, "%s: failed to set mode of %s to %o: %m",
+			__func__, pathname, mode);
+		goto out;
+	}
+
+	xlog(D_CALL, "%s: restored mode %o to %s", __func__, mode, pathname);
+	retval = FEDFS_OK;
+
+out:
+	free(buf);
+	(void)close(fd);
+	return retval;
+}
diff --git a/support/junction/locations.c b/support/junction/locations.c
new file mode 100644
index 0000000..c577981
--- /dev/null
+++ b/support/junction/locations.c
@@ -0,0 +1,131 @@
+/**
+ * @file support/junction/locations.c
+ * @brief Utility functions to manage NFS locations data
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "junction.h"
+
+/**
+ * Free an array of NUL-terminated C strings
+ *
+ * @param array array of pointers to C strings
+ */
+void
+nfs_free_string_array(char **array)
+{
+	unsigned int i;
+
+	if (array == NULL)
+		return;
+	for (i = 0; array[i] != NULL; i++)
+		free(array[i]);
+	free(array);
+}
+
+/**
+ * Duplicate an array of NUL-terminated C strings
+ *
+ * @param array array of pointers to C strings
+ * @return freshly allocated array of points to C strings, or NULL
+ *
+ * Caller must free the returned array with nfs_free_string_array()
+ */
+__attribute_malloc__ char **
+nfs_dup_string_array(char **array)
+{
+	unsigned int size, i;
+	char **result;
+
+	if (array == NULL)
+		return NULL;
+
+	for (size = 0; array[size] != NULL; size++);
+
+	result = calloc(size + 1, sizeof(char *));
+	if (result == NULL)
+		return NULL;
+	for (i = 0; i < size; i++) {
+		result[i] = strdup(array[i]);
+		if (result[i] == NULL) {
+			nfs_free_string_array(result);
+			return NULL;
+		}
+	}
+	return result;
+}
+
+/**
+ * Free a single NFS location
+ *
+ * @param location pointer to nfs_fsloc data
+ */
+void
+nfs_free_location(struct nfs_fsloc *location)
+{
+	nfs_free_string_array(location->nfl_rootpath);
+	free(location->nfl_hostname);
+	free(location);
+}
+
+/**
+ * Free a list of NFS locations
+ *
+ * @param locations pointer to list of one or more locations
+ */
+void
+nfs_free_locations(struct nfs_fsloc *locations)
+{
+	struct nfs_fsloc *fsloc;
+
+	while (locations != NULL) {
+		fsloc = locations;
+		locations = fsloc->nfl_next;
+		nfs_free_location(fsloc);
+	}
+}
+
+/**
+ * Allocate a fresh nfs_fsloc structure
+ *
+ * @return pointer to new empty nfs_fsloc data structure
+ *
+ * Caller must free returned locations with nfs_free_location().
+ */
+struct nfs_fsloc *
+nfs_new_location(void)
+{
+	return calloc(1, sizeof(struct nfs_fsloc));
+}
diff --git a/support/junction/nfs.c b/support/junction/nfs.c
new file mode 100644
index 0000000..73e3533
--- /dev/null
+++ b/support/junction/nfs.c
@@ -0,0 +1,1564 @@
+/**
+ * @file support/junction/nfs.c
+ * @brief Create, delete, and read NFS junctions on the local file system
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+/*
+ * An NFS junction is a list of NFS FSLs, represented in a well-formed XML
+ * document:
+ *
+ * <?xml version="1.0" encoding="UTF-8"?>
+ * <junction>
+ *   <savedmode bits="1777" />
+ *   <fileset>
+ *     <location>
+ *       <host name="fileserver.example.net" port="2049" />
+ *       <path>
+ *         <component>foo</component>
+ *         <component>bar</component>
+ *         <component>baz</component>
+ *       </path>
+ *       <currency>-1</currency>
+ *       <genflags writable="false" going="false" split="true" />
+ *       <transflags rdma="true" />
+ *       <class simul="0" handle="0" fileid="0"
+ *              writever="0" change="0" readdir="0" />
+ *       <read rank="0" order="0" />
+ *       <write rank="0" order="0" />
+ *       <flags varsub="false" />
+ *       <validfor>0</validfor>
+ *     </location>
+ *
+ *     ....
+ *
+ *   </fileset>
+ * </junction>
+ *
+ * NFS junction XML is stored in an extended attribute called
+ * "trusted.junction.nfs".   The parent object is a directory.
+ *
+ * To help file servers discover junctions efficiently, the directory
+ * has no execute bits, and the sticky bit is set.  In addition, an
+ * extended attribute called "trusted.junction.type" is added.  The
+ * contents are ignored in user space.
+ *
+ * Finally, for pre-existing directories that are converted to
+ * junctions, their mode bits are saved in an extended attribute called
+ * "trusted.junction.mode".  When the junction data is removed, the
+ * directory's mode bits are restored from this information.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <rpcsvc/nfs_prot.h>
+
+#include "junction.h"
+#include "junction-internal.h"
+#include "xlog.h"
+
+/**
+ * Tag name of NFS location element of a junction XML document
+ */
+#define NFS_XML_LOCATION_TAG		(const xmlChar *)"location"
+
+/**
+ * Tag name of host child element of an NFS location element
+ */
+#define NFS_XML_HOST_TAG		(const xmlChar *)"host"
+
+/**
+ * Name of hostname attribute of a host element
+ */
+#define NFS_XML_HOST_NAME_ATTR		(const xmlChar *)"name"
+
+/**
+ * Name of IP port attribute of a host element
+ */
+#define NFS_XML_HOST_PORT_ATTR		(const xmlChar *)"port"
+
+/**
+ * Tag name of path child element of an NFS location element
+ */
+#define NFS_XML_PATH_TAG		(const xmlChar *)"path"
+
+/**
+ * Tag name of component child element of a path element
+ */
+#define NFS_XML_COMPONENT_TAG		(const xmlChar *)"component"
+
+/**
+ * Tag name of currency child element of an NFS location element
+ */
+#define NFS_XML_CURRENCY_TAG		(const xmlChar *)"currency"
+
+/**
+ * Tag name of genflags child element of an NFS location element
+ */
+#define NFS_XML_GENFLAGS_TAG		(const xmlChar *)"genflags"
+
+/**
+ * Name of writable attribute of a genflags element
+ */
+#define NFS_XML_GENFLAGS_WRITABLE_ATTR	(const xmlChar *)"writable"
+
+/**
+ * Name of going attribute of a genflags element
+ */
+#define NFS_XML_GENFLAGS_GOING_ATTR	(const xmlChar *)"going"
+
+/**
+ * Name of split attribute of a genflags element
+ */
+#define	NFS_XML_GENFLAGS_SPLIT_ATTR	(const xmlChar *)"split"
+
+/**
+ * Tag name of transflags child element of an NFS location element
+ */
+#define NFS_XML_TRANSFLAGS_TAG		(const xmlChar *)"transflags"
+
+/**
+ * Name of rdma attribute of a transflags element
+ */
+#define NFS_XML_TRANSFLAGS_RDMA_ATTR	(const xmlChar *)"rdma"
+
+/**
+ * Tag name of class child element of an NFS location element
+ */
+#define NFS_XML_CLASS_TAG		(const xmlChar *)"class"
+
+/**
+ * Name of simul attribute of a class element
+ */
+#define NFS_XML_CLASS_SIMUL_ATTR	(const xmlChar *)"simul"
+
+/**
+ * Name of handle attribute of a class element
+ */
+#define NFS_XML_CLASS_HANDLE_ATTR	(const xmlChar *)"handle"
+
+/**
+ * Name of fileid attribute of a class element
+ */
+#define NFS_XML_CLASS_FILEID_ATTR	(const xmlChar *)"fileid"
+
+/**
+ * Name of writever attribute of a class element
+ */
+#define NFS_XML_CLASS_WRITEVER_ATTR	(const xmlChar *)"writever"
+
+/**
+ * Name of change attribute of a class element
+ */
+#define NFS_XML_CLASS_CHANGE_ATTR	(const xmlChar *)"change"
+
+/**
+ * Name of readdir attribute of a class element
+ */
+#define NFS_XML_CLASS_READDIR_ATTR	(const xmlChar *)"readdir"
+
+/**
+ * Tag name of read child element of an NFS location element
+ */
+#define NFS_XML_READ_TAG		(const xmlChar *)"read"
+
+/**
+ * Name of rank attribute of a read element
+ */
+#define NFS_XML_READ_RANK_ATTR		(const xmlChar *)"rank"
+
+/**
+ * Name of order attribute of a read element
+ */
+#define NFS_XML_READ_ORDER_ATTR		(const xmlChar *)"order"
+
+/**
+ * Tag name of write attribute of an NFS location element
+ */
+#define NFS_XML_WRITE_TAG		(const xmlChar *)"write"
+
+/**
+ * Name of rank attribute of a write element
+ */
+#define NFS_XML_WRITE_RANK_ATTR		(const xmlChar *)"rank"
+
+/**
+ * Name of order attribute of a write element
+ */
+#define NFS_XML_WRITE_ORDER_ATTR	(const xmlChar *)"order"
+
+/**
+ * Tag name of flags child element of an NFS location element
+ */
+#define NFS_XML_FLAGS_TAG		(const xmlChar *)"flags"
+
+/**
+ * Name of varsub attribute of a flags element
+ */
+#define NFS_XML_FLAGS_VARSUB_ATTR	(const xmlChar *)"varsub"
+
+/**
+ * Tag name of a validfor child element of an NFS location element
+ */
+#define NFS_XML_VALIDFOR_TAG		(const xmlChar *)"validfor"
+
+/**
+ * XPath path to NFS location elements in a junction document
+ */
+#define NFS_XML_LOCATION_XPATH		(const xmlChar *)	\
+						"/junction/fileset/location"
+
+
+/**
+ * Remove all NFS-related xattrs from a directory
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+static FedFsStatus
+nfs_remove_locations(const char *pathname)
+{
+	FedFsStatus retval;
+	int fd;
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = junction_remove_xattr(fd, pathname, JUNCTION_XATTR_NAME_NFS);
+
+	(void)close(fd);
+	return retval;
+}
+
+/**
+ * Add a "host" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_host_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	uint16_t port = fsloc->nfl_hostport;
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_HOST_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add host element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	xmlSetProp(new, NFS_XML_HOST_NAME_ATTR,
+			(const xmlChar *)fsloc->nfl_hostname);
+	if (port != NFS_PORT && port != 0)
+		junction_xml_set_int_attribute(new, NFS_XML_HOST_PORT_ATTR,
+									port);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "path" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_path_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr new;
+	int i;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_PATH_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add path element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	for (i = 0; fsloc->nfl_rootpath[i] != NULL; i++) {
+		xmlNodePtr component;
+
+		component = xmlNewTextChild(new , NULL,
+						NFS_XML_COMPONENT_TAG,
+						(const xmlChar *)
+						fsloc->nfl_rootpath[i]);
+		if (component == NULL) {
+			xlog(D_GENERAL, "%s: Failed to add component "
+					"element for %s",
+				__func__, pathname);
+			return FEDFS_ERR_SVRFAULT;
+		}
+	}
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "currency" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_currency_xml(__attribute__((unused)) const char *pathname,
+		xmlNodePtr parent, struct nfs_fsloc *fsloc)
+{
+	if (junction_xml_set_int_content(parent, NFS_XML_CURRENCY_TAG,
+						fsloc->nfl_currency) == NULL)
+		return FEDFS_ERR_SVRFAULT;
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "genflags" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_genflags_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_GENFLAGS_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add genflags element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	junction_xml_set_bool_attribute(new, NFS_XML_GENFLAGS_WRITABLE_ATTR,
+					fsloc->nfl_genflags.nfl_writable);
+	junction_xml_set_bool_attribute(new, NFS_XML_GENFLAGS_GOING_ATTR,
+					fsloc->nfl_genflags.nfl_going);
+	junction_xml_set_bool_attribute(new, NFS_XML_GENFLAGS_SPLIT_ATTR,
+					fsloc->nfl_genflags.nfl_split);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "transflags" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_transflags_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_TRANSFLAGS_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add transflags element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	junction_xml_set_bool_attribute(new, NFS_XML_TRANSFLAGS_RDMA_ATTR,
+					fsloc->nfl_transflags.nfl_rdma);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "class" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_class_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_CLASS_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add class element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	junction_xml_set_int_attribute(new, NFS_XML_CLASS_SIMUL_ATTR,
+						fsloc->nfl_info.nfl_simul);
+	junction_xml_set_int_attribute(new, NFS_XML_CLASS_HANDLE_ATTR,
+						fsloc->nfl_info.nfl_handle);
+	junction_xml_set_int_attribute(new, NFS_XML_CLASS_FILEID_ATTR,
+						fsloc->nfl_info.nfl_fileid);
+	junction_xml_set_int_attribute(new, NFS_XML_CLASS_WRITEVER_ATTR,
+						fsloc->nfl_info.nfl_writever);
+	junction_xml_set_int_attribute(new, NFS_XML_CLASS_CHANGE_ATTR,
+						fsloc->nfl_info.nfl_change);
+	junction_xml_set_int_attribute(new, NFS_XML_CLASS_READDIR_ATTR,
+						fsloc->nfl_info.nfl_readdir);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "read" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_read_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_READ_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add read element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	junction_xml_set_int_attribute(new, NFS_XML_READ_RANK_ATTR,
+					fsloc->nfl_info.nfl_readrank);
+	junction_xml_set_int_attribute(new, NFS_XML_READ_ORDER_ATTR,
+					fsloc->nfl_info.nfl_readorder);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "write" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_write_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_WRITE_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add write element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	junction_xml_set_int_attribute(new, NFS_XML_WRITE_RANK_ATTR,
+					fsloc->nfl_info.nfl_writerank);
+	junction_xml_set_int_attribute(new, NFS_XML_WRITE_ORDER_ATTR,
+					fsloc->nfl_info.nfl_writeorder);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "flags" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_flags_xml(const char *pathname, xmlNodePtr parent,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(parent, NULL, NFS_XML_FLAGS_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add flags element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	junction_xml_set_bool_attribute(new, NFS_XML_FLAGS_VARSUB_ATTR,
+					fsloc->nfl_flags.nfl_varsub);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Add a "validfor" child to a "location" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param parent parent element to which to add "host" child
+ * @param fsloc NFS location containing host information to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_validfor_xml(__attribute__((unused)) const char *pathname,
+		xmlNodePtr parent, struct nfs_fsloc *fsloc)
+{
+	if (junction_xml_set_int_content(parent, NFS_XML_VALIDFOR_TAG,
+						fsloc->nfl_validfor) == NULL)
+		return FEDFS_ERR_SVRFAULT;
+	return FEDFS_OK;
+}
+
+/**
+ * Construct and add one "location" element to a "fileset"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param fileset fileset element of junction XML parse tree
+ * @param fsloc one NFS location to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_location_xml(const char *pathname, xmlNodePtr fileset,
+		struct nfs_fsloc *fsloc)
+{
+	FedFsStatus retval;
+	xmlNodePtr new;
+
+	new = xmlNewTextChild(fileset, NULL, NFS_XML_LOCATION_TAG, NULL);
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add location element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	retval = nfs_location_host_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_path_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_currency_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_genflags_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_transflags_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_class_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_read_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_write_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_location_flags_xml(pathname, new, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	return nfs_location_validfor_xml(pathname, new, fsloc);
+}
+
+/**
+ * Construct and add a "fileset" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param root root element of junction XML parse tree
+ * @param fslocs list of NFS locations to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_fileset_xml(const char *pathname, xmlNodePtr root,
+		struct nfs_fsloc *fslocs)
+{
+	struct nfs_fsloc *next;
+	xmlNodePtr fileset;
+	FedFsStatus retval;
+
+	fileset = xmlNewTextChild(root, NULL, JUNCTION_XML_FILESET_TAG, NULL);
+	if (fileset == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add fileset element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	for (next = fslocs; next != NULL; next = next->nfl_next) {
+		retval = nfs_location_xml(pathname, fileset, next);
+		if (retval != FEDFS_OK)
+			return retval;
+	}
+
+	return FEDFS_OK;
+}
+
+/**
+ * Construct a "savedmode" element
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param root root element of XML document tree
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_savedmode_xml(const char *pathname, xmlNodePtr root)
+{
+	xmlNodePtr savedmode;
+	FedFsStatus retval;
+	mode_t mode;
+	char buf[8];
+
+	retval = junction_get_mode(pathname, &mode);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	savedmode = xmlNewTextChild(root, NULL, JUNCTION_XML_SAVEDMODE_TAG, NULL);
+	if (savedmode == NULL) {
+		xlog(D_GENERAL, "%s: Failed to add savedmode element for %s\n",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	(void)snprintf(buf, sizeof(buf), "%o", ALLPERMS & mode);
+	xmlSetProp(savedmode, JUNCTION_XML_MODEBITS_ATTR, (const xmlChar *)buf);
+
+	return FEDFS_OK;
+}
+
+/**
+ * Construct NFS junction XML document from list of NFS locations
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param doc an XML parse tree in which to construct the junction XML document
+ * @param fslocs list of NFS locations to add
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_junction_xml(const char *pathname, xmlDocPtr doc,
+		struct nfs_fsloc *fslocs)
+{
+	FedFsStatus retval;
+	xmlNodePtr root;
+
+	root = xmlNewNode(NULL, JUNCTION_XML_ROOT_TAG);
+	if (root == NULL) {
+		xlog(D_GENERAL, "%s: Failed to create root element for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+	(void)xmlDocSetRootElement(doc, root);
+
+	retval = nfs_savedmode_xml(pathname, root);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	return nfs_fileset_xml(pathname, root, fslocs);
+}
+
+/**
+ * Write NFS locations information into an NFS junction extended attribute
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param doc an empty XML parse tree in which to construct the junction XML document
+ * @param fslocs list of NFS locations to add
+ * @return a FedFsStatus code
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+static FedFsStatus
+nfs_write_junction(const char *pathname, xmlDocPtr doc,
+		struct nfs_fsloc *fslocs)
+{
+	FedFsStatus retval;
+
+	retval = nfs_junction_xml(pathname, doc, fslocs);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	return junction_xml_write(pathname, JUNCTION_XATTR_NAME_NFS, doc);
+}
+
+/**
+ * Store NFS locations information into a junction object
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param fslocs list of NFS locations to add
+ * @return a FedFsStatus code
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+static FedFsStatus
+nfs_store_locations(const char *pathname, struct nfs_fsloc *fslocs)
+{
+	FedFsStatus retval;
+	xmlDocPtr doc;
+
+	doc = xmlNewDoc((xmlChar *)"1.0");
+	if (doc == NULL) {
+		xlog(D_GENERAL, "%s: Failed to create XML doc for %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	retval = nfs_write_junction(pathname, doc, fslocs);
+
+	xmlFreeDoc(doc);
+	return retval;
+}
+
+/**
+ * Add NFS junction information to a pre-existing object
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param fslocs list of NFS locations to add
+ * @return a FedFsStatus code
+ *
+ * An error occurs if the object referred to by "pathname" does not
+ * exist or contains existing junction data.
+ */
+FedFsStatus
+nfs_add_junction(const char *pathname, struct nfs_fsloc *fslocs)
+{
+	FedFsStatus retval;
+
+	if (fslocs == NULL)
+		return FEDFS_ERR_INVAL;
+
+	retval = nfs_is_prejunction(pathname);
+	if (retval != FEDFS_ERR_NOTJUNCT)
+		return retval;
+
+	retval = nfs_store_locations(pathname, fslocs);
+	if (retval != FEDFS_OK)
+		goto out_err;
+
+	retval = junction_save_mode(pathname);
+	if (retval != FEDFS_OK)
+		goto out_err;
+
+	return retval;
+
+out_err:
+	(void)nfs_remove_locations(pathname);
+	return retval;
+}
+
+/**
+ * Remove NFS junction information from an object
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ *
+ * An error occurs if the object referred to by "pathname" does not
+ * exist or does not contain NFS junction data.
+ */
+FedFsStatus
+nfs_delete_junction(const char *pathname)
+{
+	FedFsStatus retval;
+
+	retval = nfs_is_junction(pathname);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = junction_restore_mode(pathname);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	return nfs_remove_locations(pathname);
+}
+
+/**
+ * Parse the first "host" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_host(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	FedFsStatus retval;
+	xmlChar *hostname;
+	xmlNodePtr node;
+	int hostport;
+
+	retval = FEDFS_ERR_NOTJUNCT;
+	node = junction_xml_find_child_by_name(location, NFS_XML_HOST_TAG);
+	if (node == NULL)
+		return retval;
+
+	hostname = xmlGetProp(node, NFS_XML_HOST_NAME_ATTR);
+	if (!junction_xml_get_int_attribute(node, NFS_XML_HOST_PORT_ATTR,
+							&hostport))
+		fsloc->nfl_hostport = NFS_PORT;
+	else {
+		if (hostport < 1 || hostport > UINT16_MAX) {
+			xlog(D_GENERAL, "%s: Bad port attribute on %s",
+				__func__, pathname);
+			goto out;
+		}
+		fsloc->nfl_hostport = (uint16_t)hostport;
+	}
+	if (hostname == NULL) {
+		xlog(D_GENERAL, "%s: No hostname attribute on %s",
+			__func__, pathname);
+		goto out;
+	}
+	fsloc->nfl_hostname = strdup((const char *)hostname);
+	if (fsloc->nfl_hostname == NULL) {
+		retval = FEDFS_ERR_SVRFAULT;
+		goto out;
+	}
+
+	retval = FEDFS_OK;
+
+out:
+	xmlFree(hostname);
+	return retval;
+}
+
+/**
+ * Parse the first "path" child of "location" into a path array
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_path(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node, component;
+	unsigned int count;
+	xmlChar *value;
+	char **result;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_PATH_TAG);
+	if (node == NULL)
+		return FEDFS_ERR_NOTJUNCT;
+
+	count = 0;
+	for (component = node->children;
+	     component != NULL;
+	     component = component->next) {
+		if (!junction_xml_match_node_name(component,
+						NFS_XML_COMPONENT_TAG))
+			continue;
+		value = xmlNodeGetContent(component);
+		if (junction_xml_is_empty(value)) {
+			xlog(D_GENERAL, "%s: Bad pathname component in %s",
+				__func__, pathname);
+			return FEDFS_ERR_NOTJUNCT;
+		}
+		xmlFree(value);
+		count++;
+	}
+	xlog(D_GENERAL, "%s: Found %u component(s)", __func__, count);
+
+	if (count == 0) {
+		xlog(D_GENERAL, "%s: Zero-component pathname", __func__);
+		fsloc->nfl_rootpath = (char **)calloc(1, sizeof(char *));
+		if (fsloc->nfl_rootpath == NULL)
+			return FEDFS_ERR_SVRFAULT;
+		fsloc->nfl_rootpath[0] = NULL;
+		return FEDFS_OK;
+	}
+
+	result = calloc(count + 1, sizeof(char *));
+	if (result == NULL)
+		return FEDFS_ERR_SVRFAULT;
+
+	count = 0;
+	for (component = node->children;
+	     component != NULL;
+	     component = component->next) {
+		if (!junction_xml_match_node_name(component,
+						NFS_XML_COMPONENT_TAG))
+			continue;
+		value = xmlNodeGetContent(component);
+		result[count] = strdup((const char *)value);
+		xmlFree(value);
+		if (result[count] == NULL) {
+			nfs_free_string_array(result);
+			return FEDFS_ERR_SVRFAULT;
+		}
+		count++;
+	}
+
+	fsloc->nfl_rootpath = result;
+	return FEDFS_OK;
+}
+
+/**
+ * Parse the first "currency" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_currency(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_CURRENCY_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_int_content(node, &fsloc->nfl_currency))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid currency element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse the first "genflags" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_genflags(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_GENFLAGS_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_bool_attribute(node,
+					NFS_XML_GENFLAGS_WRITABLE_ATTR,
+					&fsloc->nfl_genflags.nfl_writable))
+		goto out_err;
+	if (!junction_xml_get_bool_attribute(node,
+					NFS_XML_GENFLAGS_GOING_ATTR,
+					&fsloc->nfl_genflags.nfl_going))
+		goto out_err;
+	if (!junction_xml_get_bool_attribute(node,
+					NFS_XML_GENFLAGS_SPLIT_ATTR,
+					&fsloc->nfl_genflags.nfl_split))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid genflags element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse the first "transflags" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_transflags(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_TRANSFLAGS_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_bool_attribute(node,
+					NFS_XML_TRANSFLAGS_RDMA_ATTR,
+					&fsloc->nfl_transflags.nfl_rdma))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid transflags element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse the first "class" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_class(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_CLASS_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_CLASS_SIMUL_ATTR,
+					&fsloc->nfl_info.nfl_simul))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_CLASS_HANDLE_ATTR,
+					&fsloc->nfl_info.nfl_handle))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_CLASS_FILEID_ATTR,
+					&fsloc->nfl_info.nfl_fileid))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_CLASS_WRITEVER_ATTR,
+					&fsloc->nfl_info.nfl_writever))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_CLASS_WRITEVER_ATTR,
+					&fsloc->nfl_info.nfl_writever))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_CLASS_CHANGE_ATTR,
+					&fsloc->nfl_info.nfl_change))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_CLASS_READDIR_ATTR,
+					&fsloc->nfl_info.nfl_readdir))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid class element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse the first "read" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_read(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_READ_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_READ_RANK_ATTR,
+					&fsloc->nfl_info.nfl_readrank))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_READ_ORDER_ATTR,
+					&fsloc->nfl_info.nfl_readorder))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid read element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse the first "write" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_write(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_WRITE_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_WRITE_RANK_ATTR,
+					&fsloc->nfl_info.nfl_writerank))
+		goto out_err;
+	if (!junction_xml_get_u8_attribute(node,
+					NFS_XML_WRITE_ORDER_ATTR,
+					&fsloc->nfl_info.nfl_writeorder))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid write element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse the first "flags" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_flags(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_FLAGS_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_bool_attribute(node,
+					NFS_XML_FLAGS_VARSUB_ATTR,
+					&fsloc->nfl_flags.nfl_varsub))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid flags element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse the first "validfor" child of "location"
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ */
+static FedFsStatus
+nfs_parse_location_validfor(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	xmlNodePtr node;
+
+	node = junction_xml_find_child_by_name(location, NFS_XML_VALIDFOR_TAG);
+	if (node == NULL)
+		goto out_err;
+
+	if (!junction_xml_get_int_content(node, &fsloc->nfl_validfor))
+		goto out_err;
+
+	return FEDFS_OK;
+
+out_err:
+	xlog(D_GENERAL, "%s: Missing or invalid validfor element in %s",
+		__func__, pathname);
+	return FEDFS_ERR_NOTJUNCT;
+}
+
+/**
+ * Parse children of NFS location element in an NFS junction
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc a blank nfs_fsloc to fill in
+ * @return a FedFsStatus code
+ *
+ * All children are required only-once elements, and may appear in any order.
+ * Extraneous or repeated elements are ignored for now.
+ */
+static FedFsStatus
+nfs_parse_location_children(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc *fsloc)
+{
+	FedFsStatus retval;
+
+	retval = nfs_parse_location_host(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_path(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_currency(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_genflags(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_transflags(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_class(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_read(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_write(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	retval = nfs_parse_location_flags(pathname, location, fsloc);
+	if (retval != FEDFS_OK)
+		return retval;
+	return nfs_parse_location_validfor(pathname, location, fsloc);
+}
+
+/**
+ * Parse NFS location element in an NFS junction
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param location XML parse tree containing fileset location element
+ * @param fsloc OUT: a single NFS location item
+ * @return a FedFsStatus code
+ *
+ * If nfs_parse_location() returns FEDFS_OK, caller must free the returned
+ * location with nfs_free_location().
+ */
+static FedFsStatus
+nfs_parse_node(const char *pathname, xmlNodePtr location,
+		struct nfs_fsloc **fsloc)
+{
+	struct nfs_fsloc *tmp;
+	FedFsStatus retval;
+
+	tmp = nfs_new_location();
+	if (tmp == NULL)
+		return FEDFS_ERR_SVRFAULT;
+
+	retval = nfs_parse_location_children(pathname, location, tmp);
+	if (retval != FEDFS_OK)
+		nfs_free_location(tmp);
+	else
+		*fsloc = tmp;
+	return retval;
+}
+
+/**
+ * Build list of NFS locations from a nodeset
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param nodeset XML nodeset containing "location" elements
+ * @param fslocs OUT: pointer to a list of NFS locations
+ * @return a FedFsStatus code
+ *
+ * If nfs_parse_nodeset() returns FEDFS_OK, caller must free the returned
+ * list of locations with nfs_free_locations().
+ */
+static FedFsStatus
+nfs_parse_nodeset(const char *pathname, xmlNodeSetPtr nodeset,
+		struct nfs_fsloc **fslocs)
+{
+	struct nfs_fsloc *location, *result = NULL;
+	FedFsStatus retval;
+	int i;
+
+	if (xmlXPathNodeSetIsEmpty(nodeset)) {
+		xlog(D_GENERAL, "%s: No fileset locations found in %s",
+			__func__, pathname);
+		return FEDFS_ERR_NOTJUNCT;
+	}
+
+	for (i = 0; i < nodeset->nodeNr; i++) {
+		xmlNodePtr node = nodeset->nodeTab[i];
+
+		retval = nfs_parse_node(pathname, node, &location);
+		if (retval != FEDFS_OK) {
+			nfs_free_locations(result);
+			return retval;
+		}
+
+		if (result == NULL)
+			result = location;
+		else
+			result->nfl_next = location;
+	}
+
+	*fslocs = result;
+	return FEDFS_OK;
+}
+
+/**
+ * Parse fileset location information from junction XML
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param context XML path context containing junction XML
+ * @param fslocs OUT: pointer to a list of NFS locations
+ * @return a FedFsStatus code
+ *
+ * If nfs_parse_context() returns FEDFS_OK, caller must free the returned
+ * list of locations with nfs_free_locations().
+ */
+static FedFsStatus
+nfs_parse_context(const char *pathname, xmlXPathContextPtr context,
+		struct nfs_fsloc **fslocs)
+{
+	xmlXPathObjectPtr object;
+	FedFsStatus retval;
+
+	object = xmlXPathEvalExpression(NFS_XML_LOCATION_XPATH, context);
+	if (object == NULL) {
+		xlog(D_GENERAL, "%s: Failed to evaluate XML in %s",
+			__func__, pathname);
+		return FEDFS_ERR_NOTJUNCT;
+	}
+
+	retval = nfs_parse_nodeset(pathname, object->nodesetval, fslocs);
+
+	xmlXPathFreeObject(object);
+	return retval;
+}
+
+/**
+ * Parse NFS locations information from junction XML
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param doc XML parse tree containing junction XML document
+ * @param fslocs OUT: pointer to a list of NFS locations
+ * @return a FedFsStatus code
+ *
+ * If nfs_parse_xml() returns FEDFS_OK, caller must free the returned
+ * list of locations with nfs_free_locations().
+ */
+static FedFsStatus
+nfs_parse_xml(const char *pathname, xmlDocPtr doc, struct nfs_fsloc **fslocs)
+{
+	xmlXPathContextPtr context;
+	FedFsStatus retval;
+
+	context = xmlXPathNewContext(doc);
+	if (context == NULL) {
+		xlog(D_GENERAL, "%s: Failed to create XPath context from %s",
+			__func__, pathname);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	retval = nfs_parse_context(pathname, context, fslocs);
+
+	xmlXPathFreeContext(context);
+	return retval;
+}
+
+/**
+ * Retrieve list of NFS locations from an NFS junction
+ *
+ * @param pathname NUL-terminated C string containing pathname of a junction
+ * @param fslocs OUT: pointer to a list of NFS locations
+ * @return a FedFsStatus code
+ *
+ * If nfs_get_locations() returns FEDFS_OK, caller must free the returned
+ * list of locations with nfs_free_locations().
+ */
+FedFsStatus
+nfs_get_locations(const char *pathname, struct nfs_fsloc **fslocs)
+{
+	FedFsStatus retval;
+	xmlDocPtr doc;
+
+	if (fslocs == NULL)
+		return FEDFS_ERR_INVAL;
+
+	retval = junction_xml_parse(pathname, JUNCTION_XATTR_NAME_NFS, &doc);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = nfs_parse_xml(pathname, doc, fslocs);
+
+	xmlFreeDoc(doc);
+	return retval;
+}
+
+/**
+ * Predicate: does "pathname" refer to an object that can become an NFS junction?
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ *
+ * Return values:
+ *	FEDFS_ERR_NOTJUNCT:	"pathname" refers to an object that can be
+ *				made into a NFS junction
+ *	FEDFS_ERR_EXIST:	"pathname" refers to something that is
+ *				already a junction
+ *	FEDFS_ERR_INVAL:	"pathname" does not exist
+ *	Other:			Some error occurred, "pathname" not
+ *				investigated
+ */
+FedFsStatus
+nfs_is_prejunction(const char *pathname)
+{
+	FedFsStatus retval;
+	int fd;
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = junction_is_directory(fd, pathname);
+	if (retval != FEDFS_OK)
+		goto out_close;
+
+	retval = junction_is_sticky_bit_set(fd, pathname);
+	switch (retval) {
+	case FEDFS_ERR_NOTJUNCT:
+		break;
+	case FEDFS_OK:
+		goto out_exist;
+	default:
+		goto out_close;
+	}
+
+	retval = junction_is_xattr_present(fd, pathname, JUNCTION_XATTR_NAME_NFS);
+	switch (retval) {
+	case FEDFS_ERR_NOTJUNCT:
+		break;
+	case FEDFS_OK:
+		goto out_exist;
+	default:
+		goto out_close;
+	}
+
+out_close:
+	(void)close(fd);
+	return retval;
+out_exist:
+	retval = FEDFS_ERR_EXIST;
+	goto out_close;
+}
+
+/**
+ * Verify that junction contains NFS junction XML
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ *
+ * Return values:
+ *	FEDFS_OK:		"pathname" refers to an NFS junction
+ *	FEDFS_ERR_NOTJUNCT:	"pathname" refers to something that is
+ *				not an NFS junction
+ *	FEDFS_ERR_INVAL:	"pathname" does not exist
+ *	Other:			Some error occurred, "pathname" not
+ *				investigated
+ *
+ * NB: This is an expensive test.  However, it is only done if the object
+ * actually has a junction extended attribute, meaning it should be done
+ * rarely.  If this is really a problem, we can make the XML test cheaper.
+ */
+static FedFsStatus
+nfs_is_junction_xml(const char *pathname)
+{
+	struct nfs_fsloc *fslocs = NULL;
+	FedFsStatus retval;
+	xmlDocPtr doc;
+
+	retval = junction_xml_parse(pathname, JUNCTION_XATTR_NAME_NFS, &doc);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = nfs_parse_xml(pathname, doc, &fslocs);
+	nfs_free_locations(fslocs);
+
+	xmlFreeDoc(doc);
+	return retval;
+}
+
+/**
+ * Predicate: does "pathname" refer to an NFS junction?
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @return a FedFsStatus code
+ *
+ * Return values:
+ *	FEDFS_OK:		"pathname" refers to an NFS junction
+ *	FEDFS_ERR_NOTJUNCT:	"pathname" refers to an object that is
+ *				not a junction
+ *	FEDFS_ERR_INVAL:	"pathname" does not exist
+ *	Other:			Some error occurred, "pathname" not
+ *				investigated
+ */
+FedFsStatus
+nfs_is_junction(const char *pathname)
+{
+	FedFsStatus retval;
+	int fd;
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = junction_is_directory(fd, pathname);
+	if (retval != FEDFS_OK)
+		goto out_close;
+
+	retval = junction_is_sticky_bit_set(fd, pathname);
+	if (retval != FEDFS_OK)
+		goto out_close;
+
+	retval = junction_is_xattr_present(fd, pathname, JUNCTION_XATTR_NAME_NFS);
+	if (retval != FEDFS_OK)
+		goto out_close;
+
+	(void)close(fd);
+
+	return nfs_is_junction_xml(pathname);
+
+out_close:
+	(void)close(fd);
+	return retval;
+}
diff --git a/support/junction/path.c b/support/junction/path.c
new file mode 100644
index 0000000..13a1438
--- /dev/null
+++ b/support/junction/path.c
@@ -0,0 +1,352 @@
+/**
+ * @file support/junction/path.c
+ * @brief Encode and decode FedFS pathnames
+ */
+
+/*
+ * Copyright 2010, 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <dirent.h>
+
+#include <netinet/in.h>
+
+#include "junction.h"
+#include "xlog.h"
+
+#define STRLEN_SLASH	((size_t)1)	/* strlen("/") */
+
+#define XDR_UINT_BYTES	(sizeof(uint32_t))
+
+/**
+ * Compute count of XDR 4-octet units from byte count
+ *
+ * @param bytes number of bytes to convert
+ * @return equivalent number of XDR 4-octet units
+ */
+static inline size_t
+nsdb_quadlen(size_t bytes)
+{
+	return (bytes + 3) >> 2;
+}
+
+/**
+ * Free array of NUL-terminated C strings
+ *
+ * @param strings array of char * to be released
+ */
+void
+nsdb_free_string_array(char **strings)
+{
+	int i;
+
+	if (strings == NULL)
+		return;
+	for (i = 0; strings[i] != NULL; i++)
+		free(strings[i]);
+	free(strings);
+}
+
+static FedFsStatus
+nsdb_alloc_zero_component_pathname(char ***path_array)
+{
+	char **result;
+
+	xlog(D_GENERAL, "%s: Zero-component pathname", __func__);
+
+	result = (char **)calloc(1, sizeof(char *));
+	if (result == NULL)
+		return FEDFS_ERR_SVRFAULT;
+	result[0] = NULL;
+	*path_array = result;
+	return FEDFS_OK;
+}
+
+/**
+ * Sanitize an incoming POSIX path
+ *
+ * @param pathname NUL-terminated C string containing a POSIX pathname
+ * @return NUL-terminated C string containing sanitized path
+ *
+ * Caller must free the returned pathname with free(3).
+ *
+ * Remove multiple sequential slashes and any trailing slashes,
+ * but leave "/" by itself alone.
+ */
+static __attribute_malloc__ char *
+nsdb_normalize_path(const char *pathname)
+{
+	size_t i, j, len;
+	char *result;
+
+	len = strlen(pathname);
+	if (len == 0) {
+		xlog(D_CALL, "%s: NULL pathname", __func__);
+		return NULL;
+	}
+
+	result = malloc(len + 1);
+	if (result == NULL)
+		return NULL;
+
+	for (i = 0, j = 0; i < len; i++) {
+		if (pathname[i] == '/' && pathname[i + 1] == '/')
+			continue;
+		result[j++] = pathname[i];
+	}
+	result[j] = '\0';
+
+	if (j > 1 && result[j - 1] == '/')
+		result[j - 1] = '\0';
+
+	xlog(D_CALL, "%s: result = '%s'", __func__, result);
+	return result;
+}
+
+/**
+ * Count the number of components in a POSIX pathname
+ *
+ * @param pathname NUL-terminated C string containing a POSIX pathname
+ * @param len OUT: number of bytes the encoded XDR stream will consume
+ * @param cnt OUT: component count
+ * @return true when successful
+ */
+static _Bool
+nsdb_count_components(const char *pathname, size_t *len,
+		unsigned int *cnt)
+{
+	char *start, *component;
+	unsigned int count;
+	size_t length;
+
+	/* strtok(3) will tromp on the string */
+	start = strdup(pathname);
+	if (start == NULL)
+		return false;
+
+	length = XDR_UINT_BYTES;
+	count = 0;
+	component = start;
+	for ( ;; ) {
+		char *next;
+		size_t tmp;
+
+		if (*component == '/')
+			component++;
+		if (*component == '\0')
+			break;
+		next = strchrnul(component, '/');
+		tmp = (size_t)(next - component);
+		if (tmp > 255) {
+			free(start);
+			return false;
+		}
+		length += XDR_UINT_BYTES + (nsdb_quadlen(tmp) << 2);
+		count++;
+
+		if (*next == '\0')
+			break;
+		component = next;
+	}
+
+	free(start);
+
+	xlog(D_CALL, "%s: length = %zu, count = %u, path = '%s'",
+		__func__, length, count, pathname);
+	*len = length;
+	*cnt = count;
+	return true;
+}
+
+/**
+ * Predicate: is input character set for a POSIX pathname valid UTF-8?
+ *
+ * @param pathname NUL-terminated C string containing a POSIX path
+ * @return true if the string is valid UTF-8
+ *
+ * XXX: implement this
+ */
+static _Bool
+nsdb_pathname_is_utf8(__attribute__((unused)) const char *pathname)
+{
+	return true;
+}
+
+/**
+ * Construct a local POSIX-style pathname from an array of component strings
+ *
+ * @param path_array array of pointers to NUL-terminated C strings
+ * @param pathname OUT: pointer to NUL-terminated UTF-8 C string containing a POSIX-style path
+ * @return a FedFsStatus code
+ *
+ * Caller must free the returned pathname with free(3).
+ */
+FedFsStatus
+nsdb_path_array_to_posix(char * const *path_array, char **pathname)
+{
+	char *component, *result;
+	unsigned int i, count;
+	size_t length, len;
+
+	if (path_array == NULL || pathname == NULL)
+		return FEDFS_ERR_INVAL;
+
+	if (path_array[0] == NULL) {
+		xlog(D_GENERAL, "%s: Zero-component pathname", __func__);
+		result = strdup("/");
+		if (result == NULL)
+			return FEDFS_ERR_SVRFAULT;
+		*pathname = result;
+		return FEDFS_OK;
+	}
+
+	for (length = 0, count = 0;
+	     path_array[count] != NULL;
+	     count++) {
+		component = path_array[count];
+		len = strlen(component);
+
+		if (len == 0) {
+			xlog(D_GENERAL, "%s: Zero-length component", __func__);
+			return FEDFS_ERR_BADNAME;
+		}
+		if (len > NAME_MAX) {
+			xlog(D_GENERAL, "%s: Component length too long", __func__);
+			return FEDFS_ERR_NAMETOOLONG;
+		}
+		if (strchr(component, '/') != NULL) {
+			xlog(D_GENERAL, "%s: Local separator character "
+					"found in component", __func__);
+			return FEDFS_ERR_BADNAME;
+		}
+		if (!nsdb_pathname_is_utf8(component)) {
+			xlog(D_GENERAL, "%s: Bad character in component",
+				__func__);
+			return FEDFS_ERR_BADCHAR;
+		}
+
+		length += STRLEN_SLASH + len;
+
+		if (length > PATH_MAX) {
+			xlog(D_GENERAL, "%s: Pathname too long", __func__);
+			return FEDFS_ERR_NAMETOOLONG;
+		}
+	}
+
+	result = calloc(1, length + 1);
+	if (result == NULL)
+		return FEDFS_ERR_SVRFAULT;
+
+	for (i = 0; i < count; i++) {
+		strcat(result, "/");
+		strcat(result, path_array[i]);
+	}
+	*pathname = nsdb_normalize_path(result);
+	free(result);
+	if (*pathname == NULL)
+		return FEDFS_ERR_SVRFAULT;
+	return FEDFS_OK;
+}
+
+/**
+ * Construct an array of component strings from a local POSIX-style pathname
+ *
+ * @param pathname NUL-terminated C string containing a POSIX-style pathname
+ * @param path_array OUT: pointer to array of pointers to NUL-terminated C strings
+ * @return a FedFsStatus code
+ *
+ * Caller must free "path_array" with nsdb_free_string_array().
+ */
+FedFsStatus
+nsdb_posix_to_path_array(const char *pathname, char ***path_array)
+{
+	char *normalized, *component, **result;
+	unsigned int i, count;
+	size_t length;
+
+	if (pathname == NULL || path_array == NULL)
+		return FEDFS_ERR_INVAL;
+
+	if (!nsdb_pathname_is_utf8(pathname)) {
+		xlog(D_GENERAL, "%s: Bad character in pathname", __func__);
+		return FEDFS_ERR_BADCHAR;
+	}
+
+	normalized = nsdb_normalize_path(pathname);
+	if (normalized == NULL)
+		return FEDFS_ERR_SVRFAULT;
+
+	if (!nsdb_count_components(normalized, &length, &count)) {
+		free(normalized);
+		return FEDFS_ERR_BADNAME;
+	}
+
+	if (count == 0) {
+		free(normalized);
+		return nsdb_alloc_zero_component_pathname(path_array);
+	}
+
+	result = (char **)calloc(count + 1, sizeof(char *));
+	if (result == NULL) {
+		free(normalized);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	component = normalized;
+	for (i = 0; ; i++) {
+		char *next;
+
+		if (*component == '/')
+			component++;
+		if (*component == '\0')
+			break;
+		next = strchrnul(component, '/');
+		length = (size_t)(next - component);
+		if (length > 255) {
+			nsdb_free_string_array(result);
+			free(normalized);
+			return FEDFS_ERR_SVRFAULT;
+		}
+
+		result[i] = strndup(component, length);
+		if (result[i] == NULL) {
+			free(normalized);
+			nsdb_free_string_array(result);
+			return FEDFS_ERR_SVRFAULT;
+		}
+
+		if (*next == '\0')
+			break;
+		component = next;
+	}
+
+	*path_array = result;
+	free(normalized);
+	return FEDFS_OK;
+}
diff --git a/support/junction/xml.c b/support/junction/xml.c
new file mode 100644
index 0000000..813110b
--- /dev/null
+++ b/support/junction/xml.c
@@ -0,0 +1,401 @@
+/**
+ * @file support/junction/xml.c
+ * @brief Common utilities for managing junction XML
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "junction.h"
+#include "junction-internal.h"
+#include "xlog.h"
+
+/**
+ * Predicate: is element content empty?
+ *
+ * @param content element content to test
+ * @return true if content is empty
+ */
+_Bool
+junction_xml_is_empty(const xmlChar *content)
+{
+	return content == NULL || *content == '\0';
+}
+
+/**
+ * Match an XML parse tree node by its name
+ *
+ * @param node pointer to a node in an XML parse tree
+ * @param name NUL-terminated C string containing name to match
+ * @return true if "node" is named "name"
+ */
+_Bool
+junction_xml_match_node_name(xmlNodePtr node, const xmlChar *name)
+{
+	return (node->type == XML_ELEMENT_NODE) &&
+		(xmlStrcmp(node->name, name) == 0);
+}
+
+/**
+ * Find a first-level child of "parent" named "name"
+ *
+ * @param parent pointer to node whose children are to be searched
+ * @param name NUL-terminated C string containing name to match
+ * @return pointer to child of "parent" whose name is "name"
+ */
+xmlNodePtr
+junction_xml_find_child_by_name(xmlNodePtr parent, const xmlChar *name)
+{
+	xmlNodePtr node;
+
+	for (node = parent->children; node != NULL; node = node->next)
+		if (junction_xml_match_node_name(node, name))
+			return node;
+	return NULL;
+}
+
+/**
+ * Read attribute into a boolean
+ *
+ * @param node pointer to a node in an XML parse tree
+ * @param attrname NUL-terminated C string containing attribute name
+ * @param value OUT: attribute's value converted to an integer
+ * @return true if attribute "attrname" has a valid boolean value
+ */
+_Bool
+junction_xml_get_bool_attribute(xmlNodePtr node, const xmlChar *attrname,
+		_Bool *value)
+{
+	xmlChar *prop;
+	_Bool retval;
+
+	retval = false;
+	prop = xmlGetProp(node, attrname);
+	if (prop == NULL)
+		goto out;
+
+	if (xmlStrcmp(prop, (const xmlChar *)"true") == 0) {
+		*value = true;
+		retval = true;
+		goto out;
+	}
+
+	if (xmlStrcmp(prop, (const xmlChar *)"false") == 0) {
+		*value = false;
+		retval = true;
+		goto out;
+	}
+
+out:
+	xmlFree(prop);
+	return retval;
+}
+
+/**
+ * Set attribute to a boolean
+ *
+ * @param node pointer to a node in an XML parse tree
+ * @param attrname NUL-terminated C string containing attribute name
+ * @param value boolean value to set
+ */
+void
+junction_xml_set_bool_attribute(xmlNodePtr node, const xmlChar *attrname,
+					_Bool value)
+{
+	xmlSetProp(node, attrname, (const xmlChar *)(value ? "true" : "false"));
+}
+
+/**
+ * Read attribute into an uint8_t
+ *
+ * @param node pointer to a node in an XML parse tree
+ * @param attrname NUL-terminated C string containing attribute name
+ * @param value OUT: attribute's value converted to an uint8_t
+ * @return true if attribute "attrname" has a valid uint8_t value
+ */
+_Bool
+junction_xml_get_u8_attribute(xmlNodePtr node, const xmlChar *attrname,
+		uint8_t *value)
+{
+	char *endptr;
+	_Bool retval;
+	char *prop;
+	long tmp;
+
+	retval = false;
+	prop = (char *)xmlGetProp(node, attrname);
+	if (prop == NULL)
+		goto out;
+
+	errno = 0;
+	tmp = strtol(prop, &endptr, 10);
+	if (errno != 0 || *endptr != '\0' || tmp > 255 || tmp < 0)
+		goto out;
+
+	*value = (uint8_t)tmp;
+	retval = true;
+
+out:
+	xmlFree(prop);
+	return retval;
+}
+
+/**
+ * Read attribute into an integer
+ *
+ * @param node pointer to a node in an XML parse tree
+ * @param attrname NUL-terminated C string containing attribute name
+ * @param value OUT: attribute's value converted to an integer
+ * @return true if attribute "attrname" has a valid integer value
+ */
+_Bool
+junction_xml_get_int_attribute(xmlNodePtr node, const xmlChar *attrname,
+		int *value)
+{
+	char *endptr;
+	_Bool retval;
+	char *prop;
+	long tmp;
+
+	retval = false;
+	prop = (char *)xmlGetProp(node, attrname);
+	if (prop == NULL)
+		goto out;
+
+	errno = 0;
+	tmp = strtol(prop, &endptr, 10);
+	if (errno != 0 || *endptr != '\0' || tmp > INT32_MAX || tmp < INT32_MIN)
+		goto out;
+
+	*value = (int)tmp;
+	retval = true;
+
+out:
+	xmlFree(prop);
+	return retval;
+}
+
+/**
+ * Set attribute to an integer
+ *
+ * @param node pointer to a node in an XML parse tree
+ * @param attrname NUL-terminated C string containing attribute name
+ * @param value integer value to set
+ */
+void
+junction_xml_set_int_attribute(xmlNodePtr node, const xmlChar *attrname,
+		int value)
+{
+	char buf[16];
+
+	snprintf(buf, sizeof(buf), "%d", value);
+	xmlSetProp(node, attrname, (const xmlChar *)buf);
+}
+
+/**
+ * Read node content into an integer
+ *
+ * @param node pointer to a node in an XML parse tree
+ * @param value OUT: node's content converted to an integer
+ * @return true if "node" has valid integer content
+ */
+_Bool
+junction_xml_get_int_content(xmlNodePtr node, int *value)
+{
+	xmlChar *content;
+	char *endptr;
+	_Bool retval;
+	long tmp;
+
+	retval = false;
+	content = xmlNodeGetContent(node);
+	if (content == NULL)
+		goto out;
+
+	errno = 0;
+	tmp = strtol((const char *)content, &endptr, 10);
+	if (errno != 0 || *endptr != '\0' || tmp > INT32_MAX || tmp < INT32_MIN)
+		goto out;
+
+	*value = (int)tmp;
+	retval = true;
+
+out:
+	xmlFree(content);
+	return retval;
+}
+
+/**
+ * Add a child node with integer content
+ *
+ * @param parent  pointer to a node in an XML parse tree
+ * @param name NUL-terminated C string containing name of child to add
+ * @param value set node content to this value
+ * @return pointer to new child node
+ */
+xmlNodePtr
+junction_xml_set_int_content(xmlNodePtr parent, const xmlChar *name, int value)
+{
+	char buf[16];
+
+	snprintf(buf, sizeof(buf), "%d", value);
+	return xmlNewTextChild(parent, NULL, name, (const xmlChar *)buf);
+}
+
+/**
+ * Parse XML document in a buffer into an XML document tree
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to replace
+ * @param buf opaque byte array containing XML to parse
+ * @param len size of "buf" in bytes
+ * @param doc OUT: an XML parse tree containing junction XML
+ * @return a FedFsStatus code
+ *
+ * If junction_parse_xml_buf() returns success, caller must free "*doc"
+ * using xmlFreeDoc(3).
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+static FedFsStatus
+junction_parse_xml_buf(const char *pathname, const char *name,
+		void *buf, size_t len, xmlDocPtr *doc)
+{
+	xmlDocPtr tmp;
+
+	tmp = xmlParseMemory(buf, (int)len);
+	if (tmp == NULL) {
+		xlog(D_GENERAL, "Failed to parse XML in %s(%s)\n",
+			pathname, name);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	*doc = tmp;
+	return FEDFS_OK;
+}
+
+/**
+ * Read an XML document from an extended attribute into an XML document tree
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @param fd an open file descriptor
+ * @param name NUL-terminated C string containing name of xattr to replace
+ * @param doc OUT: an XML parse tree containing junction XML
+ * @return a FedFsStatus code
+ *
+ * If junction_parse_xml_read() returns success, caller must free "*doc"
+ * using xmlFreeDoc(3).
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+static FedFsStatus
+junction_parse_xml_read(const char *pathname, int fd, const char *name,
+		xmlDocPtr *doc)
+{
+	FedFsStatus retval;
+	void *buf = NULL;
+	size_t len;
+
+	retval = junction_get_xattr(fd, pathname, name, &buf, &len);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	xlog(D_CALL, "%s: XML document contained in junction:\n%zu.%s",
+		__func__, len, (char *)buf);
+
+	retval = junction_parse_xml_buf(pathname, name, buf, len, doc);
+
+	free(buf);
+	return retval;
+}
+
+/**
+ * Read an XML document from an extended attribute into an XML document tree
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to replace
+ * @param doc OUT: an XML parse tree containing junction XML
+ * @return a FedFsStatus code
+ *
+ * If junction_parse_xml() returns success, caller must free "*doc"
+ * using xmlFreeDoc(3).
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+FedFsStatus
+junction_xml_parse(const char *pathname, const char *name, xmlDocPtr *doc)
+{
+	FedFsStatus retval;
+	int fd;
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = junction_parse_xml_read(pathname, fd, name, doc);
+
+	(void)close(fd);
+	return retval;
+}
+
+/**
+ * Write an XML document into an extended attribute
+ *
+ * @param pathname NUL-terminated C string containing pathname of a directory
+ * @param name NUL-terminated C string containing name of xattr to replace
+ * @param doc an XML parse tree containing junction XML
+ * @return a FedFsStatus code
+ *
+ * @note Access to trusted attributes requires CAP_SYS_ADMIN.
+ */
+FedFsStatus
+junction_xml_write(const char *pathname, const char *name, xmlDocPtr doc)
+{
+	xmlChar *buf = NULL;
+	FedFsStatus retval;
+	int fd, len;
+
+	retval = junction_open_path(pathname, &fd);
+	if (retval != FEDFS_OK)
+		return retval;
+
+	retval = FEDFS_ERR_SVRFAULT;
+	xmlIndentTreeOutput = 1;
+	xmlDocDumpFormatMemoryEnc(doc, &buf, &len, "UTF-8", 1);
+	if (len < 0)
+		goto out;
+
+	retval = junction_set_xattr(fd, pathname, name, buf, (size_t)len);
+
+out:
+	xmlFree(buf);
+	(void)close(fd);
+	return retval;
+}
diff --git a/support/misc/Makefile.am b/support/misc/Makefile.am
new file mode 100644
index 0000000..f9993e3
--- /dev/null
+++ b/support/misc/Makefile.am
@@ -0,0 +1,7 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_LIBRARIES = libmisc.a
+libmisc_a_SOURCES = tcpwrapper.c from_local.c mountpoint.c file.c \
+		    nfsd_path.c workqueue.c xstat.c
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/support/misc/Makefile.in b/support/misc/Makefile.in
new file mode 100644
index 0000000..0636156
--- /dev/null
+++ b/support/misc/Makefile.in
@@ -0,0 +1,712 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
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+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
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+         exit 1;; \
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+  if $(am__is_gnu_make); then \
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+      *\\[\ \	]*) \
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+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
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+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
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+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
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+  test $$has_opt = yes
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
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+host_triplet = @host@
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+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
+	$(top_srcdir)/aclocal/keyutils.m4 \
+	$(top_srcdir)/aclocal/libblkid.m4 \
+	$(top_srcdir)/aclocal/libcap.m4 \
+	$(top_srcdir)/aclocal/libevent.m4 \
+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
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+	$(top_srcdir)/aclocal/tcp-wrappers.m4 \
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+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
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+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/support/include/config.h
+CONFIG_CLEAN_FILES =
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+LIBRARIES = $(noinst_LIBRARIES)
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+AM_V_AR = $(am__v_AR_@AM_V@)
+am__v_AR_ = $(am__v_AR_@AM_DEFAULT_V@)
+am__v_AR_0 = @echo "  AR      " $@;
+am__v_AR_1 = 
+libmisc_a_AR = $(AR) $(ARFLAGS)
+libmisc_a_LIBADD =
+am_libmisc_a_OBJECTS = tcpwrapper.$(OBJEXT) from_local.$(OBJEXT) \
+	mountpoint.$(OBJEXT) file.$(OBJEXT) nfsd_path.$(OBJEXT) \
+	workqueue.$(OBJEXT) xstat.$(OBJEXT)
+libmisc_a_OBJECTS = $(am_libmisc_a_OBJECTS)
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+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/file.Po ./$(DEPDIR)/from_local.Po \
+	./$(DEPDIR)/mountpoint.Po ./$(DEPDIR)/nfsd_path.Po \
+	./$(DEPDIR)/tcpwrapper.Po ./$(DEPDIR)/workqueue.Po \
+	./$(DEPDIR)/xstat.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
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+am__v_CCLD_0 = @echo "  CCLD    " $@;
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+DIST_SOURCES = $(libmisc_a_SOURCES)
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
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+  BEGIN { nonempty = 0; } \
+  { items[$$0] = 1; nonempty = 1; } \
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+'
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+  list='$(am__tagged_files)'; \
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+am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp
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+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+enable_gss = @enable_gss@
+enable_ipv6 = @enable_ipv6@
+enable_mountconfig = @enable_mountconfig@
+enable_nfsv4 = @enable_nfsv4@
+enable_nfsv41 = @enable_nfsv41@
+enable_svcgss = @enable_svcgss@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+kprefix = @kprefix@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+mountfile = @mountfile@
+nfsconfig = @nfsconfig@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+rpc_pipefsmount = @rpc_pipefsmount@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+startstatd = @startstatd@
+statdpath = @statdpath@
+statduser = @statduser@
+statedir = @statedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+unitdir = @unitdir@
+noinst_LIBRARIES = libmisc.a
+libmisc_a_SOURCES = tcpwrapper.c from_local.c mountpoint.c file.c \
+		    nfsd_path.c workqueue.c xstat.c
+
+MAINTAINERCLEANFILES = Makefile.in
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu support/misc/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu support/misc/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLIBRARIES:
+	-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
+
+libmisc.a: $(libmisc_a_OBJECTS) $(libmisc_a_DEPENDENCIES) $(EXTRA_libmisc_a_DEPENDENCIES) 
+	$(AM_V_at)-rm -f libmisc.a
+	$(AM_V_AR)$(libmisc_a_AR) libmisc.a $(libmisc_a_OBJECTS) $(libmisc_a_LIBADD)
+	$(AM_V_at)$(RANLIB) libmisc.a
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/file.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/from_local.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mountpoint.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nfsd_path.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tcpwrapper.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/workqueue.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/xstat.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/file.Po
+	-rm -f ./$(DEPDIR)/from_local.Po
+	-rm -f ./$(DEPDIR)/mountpoint.Po
+	-rm -f ./$(DEPDIR)/nfsd_path.Po
+	-rm -f ./$(DEPDIR)/tcpwrapper.Po
+	-rm -f ./$(DEPDIR)/workqueue.Po
+	-rm -f ./$(DEPDIR)/xstat.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
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+install-dvi: install-dvi-am
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+install-dvi-am:
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+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
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+install-info: install-info-am
+
+install-info-am:
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+install-man:
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+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/file.Po
+	-rm -f ./$(DEPDIR)/from_local.Po
+	-rm -f ./$(DEPDIR)/mountpoint.Po
+	-rm -f ./$(DEPDIR)/nfsd_path.Po
+	-rm -f ./$(DEPDIR)/tcpwrapper.Po
+	-rm -f ./$(DEPDIR)/workqueue.Po
+	-rm -f ./$(DEPDIR)/xstat.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/misc/file.c b/support/misc/file.c
new file mode 100644
index 0000000..06f6bb2
--- /dev/null
+++ b/support/misc/file.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ * Copyright 2017 Red Hat, Inc.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/stat.h>
+
+#include <string.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <errno.h>
+#include <dirent.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <limits.h>
+
+#include "xlog.h"
+#include "misc.h"
+
+/*
+ * Returns a dynamically allocated, '\0'-terminated buffer
+ * containing an appropriate pathname, or NULL if an error
+ * occurs.  Caller must free the returned result with free(3).
+ */
+__attribute__((__malloc__))
+char *
+generic_make_pathname(const char *base, const char *leaf)
+{
+	size_t size;
+	char *path;
+	int len;
+
+	size = strlen(base) + strlen(leaf) + 2;
+	if (size > PATH_MAX)
+		return NULL;
+
+	path = malloc(size);
+	if (path == NULL)
+		return NULL;
+
+	len = snprintf(path, size, "%s/%s", base, leaf);
+	if ((len < 0) || ((size_t)len >= size)) {
+		free(path);
+		return NULL;
+	}
+
+	return path;
+}
+
+
+/**
+ * generic_setup_basedir - set up basedir
+ * @progname: C string containing name of program, for error messages
+ * @parentdir: C string containing pathname to on-disk state, or NULL
+ * @base: character buffer to contain the basedir that is set up
+ * @baselen: size of @base in bytes
+ *
+ * This runs before logging is set up, so error messages are directed
+ * to stderr.
+ *
+ * Returns true and sets up our basedir, if @parentdir was valid
+ * and usable; otherwise false is returned.
+ */
+_Bool
+generic_setup_basedir(const char *progname, const char *parentdir, char *base,
+		      const size_t baselen)
+{
+	static char buf[PATH_MAX];
+	struct stat st;
+	char *path;
+
+	/* First: test length of name and whether it exists */
+	if ((strlen(parentdir) >= baselen) || (strlen(parentdir) >= PATH_MAX)) {
+		(void)fprintf(stderr, "%s: Directory name too long: %s",
+				progname, parentdir);
+		return false;
+	}
+	if (lstat(parentdir, &st) == -1) {
+		(void)fprintf(stderr, "%s: Failed to stat %s: %s",
+				progname, parentdir, strerror(errno));
+		return false;
+	}
+
+	/* Ensure we have a clean directory pathname */
+	strncpy(buf, parentdir, sizeof(buf)-1);
+	path = dirname(buf);
+	if (*path == '.') {
+		(void)fprintf(stderr, "%s: Unusable directory %s",
+				progname, parentdir);
+		return false;
+	}
+
+	xlog(D_CALL, "Using %s as the state directory", parentdir);
+	strcpy(base, parentdir);
+	return true;
+}
diff --git a/support/misc/from_local.c b/support/misc/from_local.c
new file mode 100644
index 0000000..e2de969
--- /dev/null
+++ b/support/misc/from_local.c
@@ -0,0 +1,268 @@
+ /*
+  * Check if an address belongs to the local system. Adapted from:
+  * 
+  * @(#)pmap_svc.c 1.32 91/03/11 Copyright 1984,1990 Sun Microsystems, Inc.
+  * @(#)get_myaddress.c  2.1 88/07/29 4.0 RPCSRC.
+  */
+
+/*
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of Sun Microsystems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if 0
+static char sccsid[] = "@(#) from_local.c 1.3 96/05/31 15:52:57";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "sockaddr.h"
+#include "tcpwrapper.h"
+#include "xlog.h"
+
+#ifndef TRUE
+#define	TRUE	1
+#define FALSE	0
+#endif
+
+#ifdef HAVE_GETIFADDRS
+
+#include <ifaddrs.h>
+#include <time.h>
+
+/**
+ * from_local - determine whether request comes from the local system
+ * @sap: pointer to socket address to check
+ *
+ * With virtual hosting, each hardware network interface can have
+ * multiple network addresses. On such machines the number of machine
+ * addresses can be surprisingly large.
+ *
+ * We also expect the local network configuration to change over time,
+ * so call getifaddrs(3) more than once, but not too often.
+ *
+ * Returns TRUE if the sockaddr contains an address of one of the local
+ * network interfaces.  Otherwise FALSE is returned.
+ */
+int
+from_local(const struct sockaddr *sap)
+{
+	static struct ifaddrs *ifaddr = NULL;
+	static time_t last_update = 0;
+	struct ifaddrs *ifa;
+	unsigned int count;
+	time_t now;
+
+	if (time(&now) == ((time_t)-1)) {
+		xlog(L_ERROR, "%s: time(2): %m", __func__);
+
+		/* If we don't know what time it is, use the
+		 * existing ifaddr list, if one exists  */
+		now = last_update;
+		if (ifaddr == NULL)
+			now++;
+	}
+	if (now != last_update) {
+		xlog(D_GENERAL, "%s: updating local if addr list", __func__);
+
+		if (ifaddr)
+			freeifaddrs(ifaddr);
+
+		if (getifaddrs(&ifaddr) == -1) {
+			xlog(L_ERROR, "%s: getifaddrs(3): %m", __func__);
+			return FALSE;
+		}
+
+		last_update = now;
+	}
+
+	count = 0;
+	for (ifa = ifaddr; ifa; ifa = ifa->ifa_next) {
+		if ((ifa->ifa_flags & IFF_UP) &&
+		    nfs_compare_sockaddr(sap, ifa->ifa_addr)) {
+			xlog(D_GENERAL, "%s: incoming address matches "
+					"local interface address", __func__);
+			return TRUE;
+		} else
+			count++;
+	}
+
+	xlog(D_GENERAL, "%s: checked %u local if addrs; "
+			"incoming address not found", __func__, count);
+	return FALSE;
+}
+
+#else	/* !HAVE_GETIFADDRS */
+
+static int num_local;
+static int num_addrs;
+static struct in_addr *addrs;
+
+/* grow_addrs - extend list of local interface addresses */
+
+static int grow_addrs(void)
+{
+    struct in_addr *new_addrs;
+    int     new_num;
+
+    /*
+     * Keep the previous result if we run out of memory. The system would
+     * really get hosed if we simply give up.
+     */
+    new_num = (addrs == 0) ? 1 : num_addrs + num_addrs;
+    new_addrs = (struct in_addr *) malloc(sizeof(*addrs) * new_num);
+    if (new_addrs == 0) {
+	xlog_warn("%s: out of memory", __func__);
+	return (0);
+    } else {
+	if (addrs != 0) {
+	    memcpy((char *) new_addrs, (char *) addrs,
+		   sizeof(*addrs) * num_addrs);
+	    free((char *) addrs);
+	}
+	num_addrs = new_num;
+	addrs = new_addrs;
+	return (1);
+    }
+}
+
+/* find_local - find all IP addresses for this host */
+static int
+find_local(void)
+{
+    struct ifconf ifc;
+    struct ifreq ifreq;
+    struct ifreq *ifr;
+    struct ifreq *the_end;
+    int     sock;
+    char    buf[BUFSIZ];
+
+    /*
+     * Get list of network interfaces. We use a huge buffer to allow for the
+     * presence of non-IP interfaces.
+     */
+
+    if ((sock = socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
+	xlog_warn("%s: socket(2): %m", __func__);
+	return (0);
+    }
+    ifc.ifc_len = sizeof(buf);
+    ifc.ifc_buf = buf;
+    if (ioctl(sock, SIOCGIFCONF, (char *) &ifc) < 0) {
+	xlog_warn("%s: ioctl(SIOCGIFCONF): %m", __func__);
+	(void) close(sock);
+	return (0);
+    }
+    /* Get IP address of each active IP network interface. */
+
+    the_end = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
+    num_local = 0;
+    for (ifr = ifc.ifc_req; ifr < the_end; ifr++) {
+	if (ifr->ifr_addr.sa_family == AF_INET) {	/* IP net interface */
+	    ifreq = *ifr;
+	    if (ioctl(sock, SIOCGIFFLAGS, (char *) &ifreq) < 0) {
+		xlog_warn("%s: ioctl(SIOCGIFFLAGS): %m", __func__);
+	    } else if (ifreq.ifr_flags & IFF_UP) {	/* active interface */
+		if (ioctl(sock, SIOCGIFADDR, (char *) &ifreq) < 0) {
+		    xlog_warn("%s: ioctl(SIOCGIFADDR): %m", __func__);
+		} else {
+		    if (num_local >= num_addrs)
+			if (grow_addrs() == 0)
+			    break;
+		    addrs[num_local++] = ((struct sockaddr_in *)
+					  & ifreq.ifr_addr)->sin_addr;
+		}
+	    }
+	}
+	/* Support for variable-length addresses. */
+#ifdef HAS_SA_LEN
+	ifr = (struct ifreq *) ((caddr_t) ifr
+		      + ifr->ifr_addr.sa_len - sizeof(struct sockaddr));
+#endif
+    }
+    (void) close(sock);
+    return (num_local);
+}
+
+/**
+ * from_local - determine whether request comes from the local system
+ * @sap: pointer to socket address to check
+ *
+ * With virtual hosting, each hardware network interface can have
+ * multiple network addresses. On such machines the number of machine
+ * addresses can be surprisingly large.
+ *
+ * Returns TRUE if the sockaddr contains an address of one of the local
+ * network interfaces.  Otherwise FALSE is returned.
+ */
+int
+from_local(const struct sockaddr *sap)
+{
+    const struct sockaddr_in *addr = (const struct sockaddr_in *)sap;
+    int     i;
+
+    if (sap->sa_family != AF_INET)
+	return (FALSE);
+
+    if (addrs == 0 && find_local() == 0)
+	xlog(L_ERROR, "Cannot find any active local network interfaces");
+
+    for (i = 0; i < num_local; i++) {
+	if (memcmp((char *) &(addr->sin_addr), (char *) &(addrs[i]),
+		   sizeof(struct in_addr)) == 0)
+	    return (TRUE);
+    }
+    return (FALSE);
+}
+
+#ifdef TEST
+
+int main(void)
+{
+    int     i;
+
+    find_local();
+    for (i = 0; i < num_local; i++)
+	printf("%s\n", inet_ntoa(addrs[i]));
+}
+
+#endif	/* TEST */
+
+#endif	/* !HAVE_GETIFADDRS */
diff --git a/support/misc/mountpoint.c b/support/misc/mountpoint.c
new file mode 100644
index 0000000..14d6731
--- /dev/null
+++ b/support/misc/mountpoint.c
@@ -0,0 +1,46 @@
+
+/*
+ * check if a given path is a mountpoint 
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include "xcommon.h"
+#include <sys/stat.h>
+#include "misc.h"
+
+int
+check_is_mountpoint(const char *path, int (mystat)(const char *, struct stat *))
+{
+	if (!mystat)
+		mystat = lstat;
+	/* Check if 'path' is a current mountpoint.
+	 * Possibly we should also check it is the mountpoint of the 
+	 * filesystem holding the target directory, but there doesn't
+	 * seem a lot of point.
+	 *
+	 * We deem it to be a mountpoint if appending a ".." gives a different
+	 * device or the same inode number.
+	 */
+	char *dotdot;
+	struct stat stb, pstb;
+	int rv;
+
+	dotdot = xmalloc(strlen(path)+4);
+
+	strcat(strcpy(dotdot, path), "/..");
+	if (mystat(path, &stb) != 0 ||
+	    mystat(dotdot, &pstb) != 0)
+		rv = 0;
+	else
+		if (stb.st_dev != pstb.st_dev ||
+		    stb.st_ino == pstb.st_ino)
+			rv = 1;
+		else
+			rv = 0;
+	free(dotdot);
+	return rv;
+}
diff --git a/support/misc/nfsd_path.c b/support/misc/nfsd_path.c
new file mode 100644
index 0000000..c3dea4f
--- /dev/null
+++ b/support/misc/nfsd_path.c
@@ -0,0 +1,409 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/vfs.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "conffile.h"
+#include "xmalloc.h"
+#include "xlog.h"
+#include "xstat.h"
+#include "nfslib.h"
+#include "nfsd_path.h"
+#include "workqueue.h"
+
+static struct xthread_workqueue *nfsd_wq;
+
+static int
+nfsd_path_isslash(const char *path)
+{
+	return path[0] == '/' && path[1] == '/';
+}
+
+static int
+nfsd_path_isdot(const char *path)
+{
+	return path[0] == '.' && path[1] == '/';
+}
+
+static const char *
+nfsd_path_strip(const char *path)
+{
+	if (!path || *path == '\0')
+		goto out;
+	for (;;) {
+		if (nfsd_path_isslash(path)) {
+			path++;
+			continue;
+		}
+		if (nfsd_path_isdot(path)) {
+			path += 2;
+			continue;
+		}
+		break;
+	}
+out:
+	return path;
+}
+
+const char *
+nfsd_path_nfsd_rootdir(void)
+{
+	const char *rootdir;
+
+	rootdir = nfsd_path_strip(conf_get_str("exports", "rootdir"));
+	if (!rootdir || rootdir[0] ==  '\0')
+		return NULL;
+	if (rootdir[0] == '/' && rootdir[1] == '\0')
+		return NULL;
+	return rootdir;
+}
+
+char *
+nfsd_path_strip_root(char *pathname)
+{
+	char buffer[PATH_MAX];
+	const char *dir = nfsd_path_nfsd_rootdir();
+
+	if (!dir)
+		goto out;
+
+	if (realpath(dir, buffer))
+		return strstr(pathname, buffer) == pathname ?
+			pathname + strlen(buffer) : NULL;
+
+	xlog(D_GENERAL, "%s: failed to resolve path %s: %m", __func__, dir);
+out:
+	return pathname;
+}
+
+char *
+nfsd_path_prepend_dir(const char *dir, const char *pathname)
+{
+	size_t len, dirlen;
+	char *ret;
+
+	dirlen = strlen(dir);
+	while (dirlen > 0 && dir[dirlen - 1] == '/')
+		dirlen--;
+	if (!dirlen)
+		return NULL;
+	while (pathname[0] == '/')
+		pathname++;
+	len = dirlen + strlen(pathname) + 1;
+	ret = xmalloc(len + 1);
+	snprintf(ret, len+1, "%.*s/%s", (int)dirlen, dir, pathname);
+	return ret;
+}
+
+static void
+nfsd_setup_workqueue(void)
+{
+	const char *rootdir = nfsd_path_nfsd_rootdir();
+
+	if (!rootdir)
+		return;
+
+	nfsd_wq = xthread_workqueue_alloc();
+	if (!nfsd_wq)
+		return;
+	xthread_workqueue_chroot(nfsd_wq, rootdir);
+}
+
+void
+nfsd_path_init(void)
+{
+	nfsd_setup_workqueue();
+}
+
+struct nfsd_stat_data {
+	const char *pathname;
+	struct stat *statbuf;
+	int ret;
+	int err;
+};
+
+static void
+nfsd_statfunc(void *data)
+{
+	struct nfsd_stat_data *d = data;
+
+	d->ret = xstat(d->pathname, d->statbuf);
+	if (d->ret < 0)
+		d->err = errno;
+}
+
+static void
+nfsd_lstatfunc(void *data)
+{
+	struct nfsd_stat_data *d = data;
+
+	d->ret = xlstat(d->pathname, d->statbuf);
+	if (d->ret < 0)
+		d->err = errno;
+}
+
+static int
+nfsd_run_stat(struct xthread_workqueue *wq,
+		void (*func)(void *),
+		const char *pathname,
+		struct stat *statbuf)
+{
+	struct nfsd_stat_data data = {
+		pathname,
+		statbuf,
+		0,
+		0
+	};
+	xthread_work_run_sync(wq, func, &data);
+	if (data.ret < 0)
+		errno = data.err;
+	return data.ret;
+}
+
+int
+nfsd_path_stat(const char *pathname, struct stat *statbuf)
+{
+	if (!nfsd_wq)
+		return xstat(pathname, statbuf);
+	return nfsd_run_stat(nfsd_wq, nfsd_statfunc, pathname, statbuf);
+}
+
+int
+nfsd_path_lstat(const char *pathname, struct stat *statbuf)
+{
+	if (!nfsd_wq)
+		return xlstat(pathname, statbuf);
+	return nfsd_run_stat(nfsd_wq, nfsd_lstatfunc, pathname, statbuf);
+}
+
+struct nfsd_statfs_data {
+	const char *pathname;
+	struct statfs *statbuf;
+	int ret;
+	int err;
+};
+
+static void
+nfsd_statfsfunc(void *data)
+{
+	struct nfsd_statfs_data *d = data;
+
+	d->ret = statfs(d->pathname, d->statbuf);
+	if (d->ret < 0)
+		d->err = errno;
+}
+
+static int
+nfsd_run_statfs(struct xthread_workqueue *wq,
+		  const char *pathname,
+		  struct statfs *statbuf)
+{
+	struct nfsd_statfs_data data = {
+		pathname,
+		statbuf,
+		0,
+		0
+	};
+	xthread_work_run_sync(wq, nfsd_statfsfunc, &data);
+	if (data.ret < 0)
+		errno = data.err;
+	return data.ret;
+}
+
+int
+nfsd_path_statfs(const char *pathname, struct statfs *statbuf)
+{
+	if (!nfsd_wq)
+		return statfs(pathname, statbuf);
+	return nfsd_run_statfs(nfsd_wq, pathname, statbuf);
+}
+
+struct nfsd_realpath_data {
+	const char *pathname;
+	char *resolved;
+	int err;
+};
+
+static void
+nfsd_realpathfunc(void *data)
+{
+	struct nfsd_realpath_data *d = data;
+
+	d->resolved = realpath(d->pathname, d->resolved);
+	if (!d->resolved)
+		d->err = errno;
+}
+
+char *
+nfsd_realpath(const char *path, char *resolved_path)
+{
+	struct nfsd_realpath_data data = {
+		path,
+		resolved_path,
+		0
+	};
+
+	if (!nfsd_wq)
+		return realpath(path, resolved_path);
+
+	xthread_work_run_sync(nfsd_wq, nfsd_realpathfunc, &data);
+	if (!data.resolved)
+		errno = data.err;
+	return data.resolved;
+}
+
+struct nfsd_read_data {
+	int fd;
+	char *buf;
+	size_t len;
+	ssize_t ret;
+	int err;
+};
+
+static void
+nfsd_readfunc(void *data)
+{
+	struct nfsd_read_data *d = data;
+
+	d->ret = read(d->fd, d->buf, d->len);
+	if (d->ret < 0)
+		d->err = errno;
+}
+
+static ssize_t
+nfsd_run_read(struct xthread_workqueue *wq, int fd, char *buf, size_t len)
+{
+	struct nfsd_read_data data = {
+		fd,
+		buf,
+		len,
+		0,
+		0
+	};
+	xthread_work_run_sync(wq, nfsd_readfunc, &data);
+	if (data.ret < 0)
+		errno = data.err;
+	return data.ret;
+}
+
+ssize_t
+nfsd_path_read(int fd, char *buf, size_t len)
+{
+	if (!nfsd_wq)
+		return read(fd, buf, len);
+	return nfsd_run_read(nfsd_wq, fd, buf, len);
+}
+
+struct nfsd_write_data {
+	int fd;
+	const char *buf;
+	size_t len;
+	ssize_t ret;
+	int err;
+};
+
+static void
+nfsd_writefunc(void *data)
+{
+	struct nfsd_write_data *d = data;
+
+	d->ret = write(d->fd, d->buf, d->len);
+	if (d->ret < 0)
+		d->err = errno;
+}
+
+static ssize_t
+nfsd_run_write(struct xthread_workqueue *wq, int fd, const char *buf, size_t len)
+{
+	struct nfsd_write_data data = {
+		fd,
+		buf,
+		len,
+		0,
+		0
+	};
+	xthread_work_run_sync(wq, nfsd_writefunc, &data);
+	if (data.ret < 0)
+		errno = data.err;
+	return data.ret;
+}
+
+ssize_t
+nfsd_path_write(int fd, const char *buf, size_t len)
+{
+	if (!nfsd_wq)
+		return write(fd, buf, len);
+	return nfsd_run_write(nfsd_wq, fd, buf, len);
+}
+
+#if defined(HAVE_NAME_TO_HANDLE_AT)
+struct nfsd_handle_data {
+	int fd;
+	const char *path;
+	struct file_handle *fh;
+	int *mount_id;
+	int flags;
+	int ret;
+	int err;
+};
+
+static void
+nfsd_name_to_handle_func(void *data)
+{
+	struct nfsd_handle_data *d = data;
+
+	d->ret = name_to_handle_at(d->fd, d->path,
+			d->fh, d->mount_id, d->flags);
+	if (d->ret < 0)
+		d->err = errno;
+}
+
+static int
+nfsd_run_name_to_handle_at(struct xthread_workqueue *wq,
+		int fd, const char *path, struct file_handle *fh,
+		int *mount_id, int flags)
+{
+	struct nfsd_handle_data data = {
+		fd,
+		path,
+		fh,
+		mount_id,
+		flags,
+		0,
+		0
+	};
+
+	xthread_work_run_sync(wq, nfsd_name_to_handle_func, &data);
+	if (data.ret < 0)
+		errno = data.err;
+	return data.ret;
+}
+
+int
+nfsd_name_to_handle_at(int fd, const char *path, struct file_handle *fh,
+		int *mount_id, int flags)
+{
+	if (!nfsd_wq)
+		return name_to_handle_at(fd, path, fh, mount_id, flags);
+
+	return nfsd_run_name_to_handle_at(nfsd_wq, fd, path, fh,
+			mount_id, flags);
+}
+#else
+int
+nfsd_name_to_handle_at(int UNUSED(fd), const char *UNUSED(path),
+		struct file_handle *UNUSED(fh),
+		int *UNUSED(mount_id), int UNUSED(flags))
+{
+	errno = ENOSYS;
+	return -1;
+}
+#endif
diff --git a/support/misc/tcpwrapper.c b/support/misc/tcpwrapper.c
new file mode 100644
index 0000000..3128053
--- /dev/null
+++ b/support/misc/tcpwrapper.c
@@ -0,0 +1,270 @@
+/* This is copied from portmap 4.0-29 in RedHat. */
+
+ /*
+  * pmap_check - additional portmap security.
+  * 
+  * Always reject non-local requests to update the portmapper tables.
+  * 
+  * Refuse to forward mount requests to the nfs mount daemon. Otherwise, the
+  * requests would appear to come from the local system, and nfs export
+  * restrictions could be bypassed.
+  * 
+  * Refuse to forward requests to the nfsd process.
+  * 
+  * Refuse to forward requests to NIS (YP) daemons; The only exception is the
+  * YPPROC_DOMAIN_NONACK broadcast rpc call that is used to establish initial
+  * contact with the NIS server.
+  * 
+  * Always allocate an unprivileged port when forwarding a request.
+  * 
+  * If compiled with -DCHECK_PORT, require that requests to register or
+  * unregister a privileged port come from a privileged port. This makes it
+  * more difficult to replace a critical service by a trojan.
+  * 
+  * If compiled with -DHOSTS_ACCESS, reject requests from hosts that are not
+  * authorized by the /etc/hosts.{allow,deny} files. The local system is
+  * always treated as an authorized host. The access control tables are never
+  * consulted for requests from the local system, and are always consulted
+  * for requests from other hosts.
+  * 
+  * Author: Wietse Venema (wietse@wzv.win.tue.nl), dept. of Mathematics and
+  * Computing Science, Eindhoven University of Technology, The Netherlands.
+  */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_LIBWRAP
+#include <unistd.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <netdb.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <sys/signal.h>
+#include <sys/queue.h>
+#include <sys/stat.h>
+#include <tcpd.h>
+
+#include "sockaddr.h"
+#include "tcpwrapper.h"
+#include "xlog.h"
+
+#ifdef SYSV40
+#include <netinet/in.h>
+#include <rpc/rpcent.h>
+#endif	/* SYSV40 */
+
+#define ALLOW 1
+#define DENY 0
+
+#ifdef IPV6_SUPPORTED
+static void
+present_address(const struct sockaddr *sap, char *buf, const size_t buflen)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+	const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap;
+	socklen_t len = (socklen_t)buflen;
+
+	switch (sap->sa_family) {
+	case AF_INET:
+		if (inet_ntop(AF_INET, &sin->sin_addr, buf, len) != 0)
+			return;
+		break;
+	case AF_INET6:
+		if (inet_ntop(AF_INET6, &sin6->sin6_addr, buf, len) != 0)
+			return;
+	}
+
+	memset(buf, 0, buflen);
+	strncpy(buf, "unrecognized caller", buflen);
+}
+#else	/* !IPV6_SUPPORTED */
+static void
+present_address(const struct sockaddr *sap, char *buf, const size_t buflen)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+	socklen_t len = (socklen_t)buflen;
+
+	if (sap->sa_family == AF_INET)
+		if (inet_ntop(AF_INET, &sin->sin_addr, buf, len) != 0)
+			return;
+
+	memset(buf, 0, buflen);
+	strncpy(buf, "unrecognized caller", (size_t)buflen);
+}
+#endif	/* !IPV6_SUPPORTED */
+
+typedef struct _haccess_t {
+	TAILQ_ENTRY(_haccess_t)	list;
+	int			allowed;
+	union nfs_sockaddr	address;
+} haccess_t;
+
+#define HASH_TABLE_SIZE 1021
+typedef struct _hash_head {
+	TAILQ_HEAD(host_list, _haccess_t) h_head;
+} hash_head;
+
+static hash_head haccess_tbl[HASH_TABLE_SIZE];
+
+static unsigned long
+strtoint(const char *str)
+{
+	unsigned long i, n = 0;
+	size_t len = strlen(str);
+
+	for (i = 0; i < len; i++)
+		n += (unsigned char)str[i] * i;
+
+	return n;
+}
+
+static unsigned int
+hashint(const unsigned long num)
+{
+	return (unsigned int)(num % HASH_TABLE_SIZE);
+}
+
+static unsigned int
+HASH(const char *addr, const unsigned long program)
+{
+	return hashint(strtoint(addr) + program);
+}
+
+static void
+haccess_add(const struct sockaddr *sap, const char *address,
+		const unsigned long program, const int allowed)
+{
+	hash_head *head;
+	haccess_t *hptr;
+	unsigned int hash;
+
+	hptr = (haccess_t *)malloc(sizeof(haccess_t));
+	if (hptr == NULL)
+		return;
+
+	hash = HASH(address, program);
+	head = &(haccess_tbl[hash]);
+
+	hptr->allowed = allowed;
+	memcpy(&hptr->address, sap, (size_t)nfs_sockaddr_length(sap));
+
+	if (TAILQ_EMPTY(&head->h_head))
+		TAILQ_INSERT_HEAD(&head->h_head, hptr, list);
+	else
+		TAILQ_INSERT_TAIL(&head->h_head, hptr, list);
+}
+
+static haccess_t *
+haccess_lookup(const struct sockaddr *sap, const char *address,
+		const unsigned long program)
+{
+	hash_head *head;
+	haccess_t *hptr;
+	unsigned int hash;
+
+	hash = HASH(address, program);
+	head = &(haccess_tbl[hash]);
+
+	TAILQ_FOREACH(hptr, &head->h_head, list) {
+		if (nfs_compare_sockaddr(&hptr->address.sa, sap))
+			return hptr;
+	}
+	return NULL;
+}
+
+static void
+logit(const char *address)
+{
+	xlog_warn("connect from %s denied: request from unauthorized host",
+			address);
+}
+
+static int
+good_client(char *name, struct sockaddr *sap)
+{
+	struct request_info req;
+
+	request_init(&req, RQ_DAEMON, name, RQ_CLIENT_SIN, sap, 0);
+	sock_methods(&req);
+
+	if (hosts_access(&req)) 
+		return ALLOW;
+
+	return DENY;
+}
+
+static int
+check_files(void)
+{
+	static time_t allow_mtime, deny_mtime;
+	struct stat astat, dstat;
+	int changed = 0;
+
+	if (stat("/etc/hosts.allow", &astat) < 0)
+		astat.st_mtime = 0;
+	if (stat("/etc/hosts.deny", &dstat) < 0)
+		dstat.st_mtime = 0;
+
+	if(!astat.st_mtime || !dstat.st_mtime)
+		return changed;
+
+	if (astat.st_mtime != allow_mtime)
+		changed = 1;
+	else if (dstat.st_mtime != deny_mtime)
+		changed = 1;
+
+	allow_mtime = astat.st_mtime;
+	deny_mtime = dstat.st_mtime;
+
+	return changed;
+}
+
+/**
+ * check_default - additional checks for NULL, DUMP, GETPORT and unknown
+ * @name: pointer to '\0'-terminated ASCII string containing name of the
+ *		daemon requesting the access check
+ * @sap: pointer to sockaddr containing network address of caller
+ * @program: RPC program number caller is attempting to access
+ *
+ * Returns TRUE if the caller is allowed access; otherwise FALSE is returned.
+ */
+int
+check_default(char *name, struct sockaddr *sap, const unsigned long program)
+{
+	haccess_t *acc = NULL;
+	int changed = check_files();
+	char buf[INET6_ADDRSTRLEN];
+
+	present_address(sap, buf, sizeof(buf));
+
+	acc = haccess_lookup(sap, buf, program);
+	if (acc != NULL && changed == 0) {
+		xlog(D_GENERAL, "%s: access by %s %s (cached)", __func__,
+			buf, acc->allowed ? "ALLOWED" : "DENIED");
+		return acc->allowed;
+	}
+
+	if (!(from_local(sap) || good_client(name, sap))) {
+		logit(buf);
+		if (acc != NULL)
+			acc->allowed = FALSE;
+		else
+			haccess_add(sap, buf, program, FALSE);
+		xlog(D_GENERAL, "%s: access by %s DENIED", __func__, buf);
+		return (FALSE);
+	}
+
+	if (acc != NULL)
+		acc->allowed = TRUE;
+	else
+		haccess_add(sap, buf, program, TRUE);
+	xlog(D_GENERAL, "%s: access by %s ALLOWED", __func__, buf);
+
+	return (TRUE);
+}
+
+#endif	/* HAVE_LIBWRAP */
diff --git a/support/misc/workqueue.c b/support/misc/workqueue.c
new file mode 100644
index 0000000..8043268
--- /dev/null
+++ b/support/misc/workqueue.c
@@ -0,0 +1,228 @@
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "config.h"
+#include "workqueue.h"
+#include "xlog.h"
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_LIBPTHREAD) && defined(HAVE_UNSHARE)
+#include <sched.h>
+#include <pthread.h>
+
+struct xwork_struct {
+	struct xwork_struct *next;
+	void (*fn)(void *);
+	void *data;
+};
+
+struct xwork_queue {
+	struct xwork_struct *head;
+	struct xwork_struct **tail;
+
+	unsigned char shutdown : 1;
+};
+
+static void xwork_queue_init(struct xwork_queue *queue)
+{
+	queue->head = NULL;
+	queue->tail = &queue->head;
+	queue->shutdown = 0;
+}
+
+static void xwork_enqueue(struct xwork_queue *queue,
+		struct xwork_struct *entry)
+{
+	entry->next = NULL;
+	*queue->tail = entry;
+	queue->tail = &entry->next;
+}
+
+static struct xwork_struct *xwork_dequeue(struct xwork_queue *queue)
+{
+	struct xwork_struct *entry = NULL;
+	if (queue->head) {
+		entry = queue->head;
+		queue->head = entry->next;
+		if (!queue->head)
+			queue->tail = &queue->head;
+	}
+	return entry;
+}
+
+struct xthread_work {
+	struct xwork_struct work;
+
+	pthread_cond_t cond;
+};
+
+struct xthread_workqueue {
+	struct xwork_queue queue;
+
+	pthread_mutex_t mutex;
+	pthread_cond_t cond;
+};
+
+static void xthread_workqueue_init(struct xthread_workqueue *wq)
+{
+	xwork_queue_init(&wq->queue);
+	pthread_mutex_init(&wq->mutex, NULL);
+	pthread_cond_init(&wq->cond, NULL);
+}
+
+static void xthread_workqueue_fini(struct xthread_workqueue *wq)
+{
+	pthread_cond_destroy(&wq->cond);
+	pthread_mutex_destroy(&wq->mutex);
+}
+
+static int xthread_work_enqueue(struct xthread_workqueue *wq,
+		struct xthread_work *work)
+{
+	xwork_enqueue(&wq->queue, &work->work);
+	pthread_cond_signal(&wq->cond);
+	return 0;
+}
+
+static struct xthread_work *xthread_work_dequeue(struct xthread_workqueue *wq)
+{
+	return (struct xthread_work *)xwork_dequeue(&wq->queue);
+}
+
+static void xthread_workqueue_do_work(struct xthread_workqueue *wq)
+{
+	struct xthread_work *work;
+
+	pthread_mutex_lock(&wq->mutex);
+	/* Signal the caller that we're up and running */
+	pthread_cond_signal(&wq->cond);
+	for (;;) {
+		work = xthread_work_dequeue(wq);
+		if (work) {
+			work->work.fn(work->work.data);
+			pthread_cond_signal(&work->cond);
+			continue;
+		}
+		if (wq->queue.shutdown)
+			break;
+		pthread_cond_wait(&wq->cond, &wq->mutex);
+	}
+	pthread_mutex_unlock(&wq->mutex);
+}
+
+void xthread_workqueue_shutdown(struct xthread_workqueue *wq)
+{
+	pthread_mutex_lock(&wq->mutex);
+	wq->queue.shutdown = 1;
+	pthread_cond_signal(&wq->cond);
+	pthread_mutex_unlock(&wq->mutex);
+}
+
+static void xthread_workqueue_free(struct xthread_workqueue *wq)
+{
+	xthread_workqueue_fini(wq);
+	free(wq);
+}
+
+static void xthread_workqueue_cleanup(void *data)
+{
+	xthread_workqueue_free(data);
+}
+
+static void *xthread_workqueue_worker(void *data)
+{
+	pthread_cleanup_push(xthread_workqueue_cleanup, data);
+	xthread_workqueue_do_work(data);
+	pthread_cleanup_pop(1);
+	return NULL;
+}
+
+struct xthread_workqueue *xthread_workqueue_alloc(void)
+{
+	struct xthread_workqueue *ret;
+	pthread_t thread;
+
+	ret = malloc(sizeof(*ret));
+	if (ret) {
+		xthread_workqueue_init(ret);
+
+		pthread_mutex_lock(&ret->mutex);
+		if (pthread_create(&thread, NULL,
+					xthread_workqueue_worker,
+					ret) == 0) {
+			/* Wait for thread to start */
+			pthread_cond_wait(&ret->cond, &ret->mutex);
+			pthread_mutex_unlock(&ret->mutex);
+			return ret;
+		}
+		pthread_mutex_unlock(&ret->mutex);
+		xthread_workqueue_free(ret);
+		ret = NULL;
+	}
+	return NULL;
+}
+
+void xthread_work_run_sync(struct xthread_workqueue *wq,
+		void (*fn)(void *), void *data)
+{
+	struct xthread_work work = {
+		{
+			NULL,
+			fn,
+			data
+		},
+		PTHREAD_COND_INITIALIZER,
+	};
+	pthread_mutex_lock(&wq->mutex);
+	xthread_work_enqueue(wq, &work);
+	pthread_cond_wait(&work.cond, &wq->mutex);
+	pthread_mutex_unlock(&wq->mutex);
+	pthread_cond_destroy(&work.cond);
+}
+
+static void xthread_workqueue_do_chroot(void *data)
+{
+	const char *path = data;
+
+	if (unshare(CLONE_FS) != 0) {
+		xlog_err("unshare() failed: %m");
+		return;
+	}
+	if (chroot(path) != 0)
+		xlog_err("chroot(%s) failed: %m", path);
+}
+
+void xthread_workqueue_chroot(struct xthread_workqueue *wq,
+		const char *path)
+{
+	xthread_work_run_sync(wq, xthread_workqueue_do_chroot, (void *)path);
+}
+
+#else
+
+struct xthread_workqueue {
+};
+
+static struct xthread_workqueue ret;
+
+struct xthread_workqueue *xthread_workqueue_alloc(void)
+{
+	return &ret;
+}
+
+void xthread_workqueue_shutdown(struct xthread_workqueue *wq)
+{
+}
+
+void xthread_work_run_sync(struct xthread_workqueue *wq,
+		void (*fn)(void *), void *data)
+{
+	fn(data);
+}
+
+void xthread_workqueue_chroot(struct xthread_workqueue *wq,
+		const char *path)
+{
+	xlog_err("Unable to run as chroot");
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_LIBPTHREAD) && defined(HAVE_UNSHARE) */
diff --git a/support/misc/xstat.c b/support/misc/xstat.c
new file mode 100644
index 0000000..6f751f7
--- /dev/null
+++ b/support/misc/xstat.c
@@ -0,0 +1,114 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+#include <unistd.h>
+
+#include "nfslib.h"
+#include "xstat.h"
+
+#ifdef HAVE_FSTATAT
+#ifdef HAVE_STATX
+
+static void
+statx_copy(struct stat *stbuf, const struct statx *stxbuf)
+{
+	stbuf->st_dev = makedev(stxbuf->stx_dev_major, stxbuf->stx_dev_minor);
+	stbuf->st_ino = stxbuf->stx_ino;
+	stbuf->st_mode = stxbuf->stx_mode;
+	stbuf->st_nlink = stxbuf->stx_nlink;
+	stbuf->st_uid = stxbuf->stx_uid;
+	stbuf->st_gid = stxbuf->stx_gid;
+	stbuf->st_rdev = makedev(stxbuf->stx_rdev_major, stxbuf->stx_rdev_minor);
+	stbuf->st_size = stxbuf->stx_size;
+	stbuf->st_blksize = stxbuf->stx_blksize;
+	stbuf->st_blocks = stxbuf->stx_blocks;
+	stbuf->st_atim.tv_sec = stxbuf->stx_atime.tv_sec;
+	stbuf->st_atim.tv_nsec = stxbuf->stx_atime.tv_nsec;
+	stbuf->st_mtim.tv_sec = stxbuf->stx_mtime.tv_sec;
+	stbuf->st_mtim.tv_nsec = stxbuf->stx_mtime.tv_nsec;
+	stbuf->st_ctim.tv_sec = stxbuf->stx_ctime.tv_sec;
+	stbuf->st_ctim.tv_nsec = stxbuf->stx_ctime.tv_nsec;
+}
+
+static int
+statx_do_stat(int fd, const char *pathname, struct stat *statbuf, int flags)
+{
+	static int statx_supported = 1;
+	struct statx stxbuf;
+	int ret;
+
+	if (statx_supported) {
+		ret = statx(fd, pathname, flags,
+				STATX_BASIC_STATS,
+				&stxbuf);
+		if (ret == 0) {
+			statx_copy(statbuf, &stxbuf);
+			return 0;
+		}
+		/* glibc emulation doesn't support AT_STATX_DONT_SYNC */
+		if (errno == EINVAL)
+			errno = ENOSYS;
+		if (errno == ENOSYS)
+			statx_supported = 0;
+	} else
+		errno = ENOSYS;
+	return -1;
+}
+
+static int
+statx_stat_nosync(int fd, const char *pathname, struct stat *statbuf, int flags)
+{
+	return statx_do_stat(fd, pathname, statbuf, flags | AT_STATX_DONT_SYNC);
+}
+
+#else
+
+static int
+statx_stat_nosync(int UNUSED(fd), const char *UNUSED(pathname), struct stat *UNUSED(statbuf), int UNUSED(flags))
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+#endif /* HAVE_STATX */
+
+int xlstat(const char *pathname, struct stat *statbuf)
+{
+	if (statx_stat_nosync(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT|
+				AT_SYMLINK_NOFOLLOW) == 0)
+		return 0;
+	else if (errno != ENOSYS)
+		return -1;
+	errno = 0;
+	return fstatat(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT |
+			AT_SYMLINK_NOFOLLOW);
+}
+
+int xstat(const char *pathname, struct stat *statbuf)
+{
+	if (statx_stat_nosync(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT) == 0)
+		return 0;
+	else if (errno != ENOSYS)
+		return -1;
+	errno = 0;
+	return fstatat(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT);
+}
+
+#else
+
+int xlstat(const char *pathname, struct stat *statbuf)
+{
+	return lstat(pathname, statbuf);
+}
+
+int xstat(const char *pathname, struct stat *statbuf)
+{
+	return stat(pathname, statbuf);
+}
+#endif
diff --git a/support/nfs/Makefile.am b/support/nfs/Makefile.am
new file mode 100644
index 0000000..2e1577c
--- /dev/null
+++ b/support/nfs/Makefile.am
@@ -0,0 +1,17 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_LIBRARIES = 
+noinst_LTLIBRARIES = libnfs.la libnfsconf.la
+
+libnfs_la_SOURCES = exports.c rmtab.c xio.c rpcmisc.c rpcdispatch.c \
+		   xcommon.c wildmat.c mydaemon.c \
+		   rpc_socket.c getport.c \
+		   svc_socket.c cacheio.c closeall.c nfs_mntent.c \
+		   svc_create.c atomicio.c strlcat.c strlcpy.c
+libnfs_la_LIBADD = libnfsconf.la
+libnfs_la_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) -I$(top_srcdir)/support/reexport
+
+libnfsconf_la_SOURCES = conffile.c xlog.c
+
+MAINTAINERCLEANFILES = Makefile.in
+
diff --git a/support/nfs/Makefile.in b/support/nfs/Makefile.in
new file mode 100644
index 0000000..c4e2f8f
--- /dev/null
+++ b/support/nfs/Makefile.in
@@ -0,0 +1,916 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = support/nfs
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
+	$(top_srcdir)/aclocal/bsdsignals.m4 \
+	$(top_srcdir)/aclocal/getrandom.m4 \
+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
+	$(top_srcdir)/aclocal/keyutils.m4 \
+	$(top_srcdir)/aclocal/libblkid.m4 \
+	$(top_srcdir)/aclocal/libcap.m4 \
+	$(top_srcdir)/aclocal/libevent.m4 \
+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
+	$(top_srcdir)/aclocal/rpcsec_vers.m4 \
+	$(top_srcdir)/aclocal/tcp-wrappers.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/support/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+LIBRARIES = $(noinst_LIBRARIES)
+LTLIBRARIES = $(noinst_LTLIBRARIES)
+libnfs_la_DEPENDENCIES = libnfsconf.la
+am_libnfs_la_OBJECTS = libnfs_la-exports.lo libnfs_la-rmtab.lo \
+	libnfs_la-xio.lo libnfs_la-rpcmisc.lo libnfs_la-rpcdispatch.lo \
+	libnfs_la-xcommon.lo libnfs_la-wildmat.lo \
+	libnfs_la-mydaemon.lo libnfs_la-rpc_socket.lo \
+	libnfs_la-getport.lo libnfs_la-svc_socket.lo \
+	libnfs_la-cacheio.lo libnfs_la-closeall.lo \
+	libnfs_la-nfs_mntent.lo libnfs_la-svc_create.lo \
+	libnfs_la-atomicio.lo libnfs_la-strlcat.lo \
+	libnfs_la-strlcpy.lo
+libnfs_la_OBJECTS = $(am_libnfs_la_OBJECTS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+libnfsconf_la_LIBADD =
+am_libnfsconf_la_OBJECTS = conffile.lo xlog.lo
+libnfsconf_la_OBJECTS = $(am_libnfsconf_la_OBJECTS)
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
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+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LIBRARIES) $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLIBRARIES \
+	clean-noinstLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/conffile.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-atomicio.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-cacheio.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-closeall.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-exports.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-getport.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-mydaemon.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-nfs_mntent.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rmtab.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rpc_socket.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rpcdispatch.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rpcmisc.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-strlcat.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-strlcpy.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-svc_create.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-svc_socket.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-wildmat.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-xcommon.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-xio.Plo
+	-rm -f ./$(DEPDIR)/xlog.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
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+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
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+install-info: install-info-am
+
+install-info-am:
+
+install-man:
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+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/conffile.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-atomicio.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-cacheio.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-closeall.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-exports.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-getport.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-mydaemon.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-nfs_mntent.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rmtab.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rpc_socket.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rpcdispatch.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-rpcmisc.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-strlcat.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-strlcpy.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-svc_create.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-svc_socket.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-wildmat.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-xcommon.Plo
+	-rm -f ./$(DEPDIR)/libnfs_la-xio.Plo
+	-rm -f ./$(DEPDIR)/xlog.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLIBRARIES \
+	clean-noinstLTLIBRARIES cscopelist-am ctags ctags-am distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/nfs/atomicio.c b/support/nfs/atomicio.c
new file mode 100644
index 0000000..0e81838
--- /dev/null
+++ b/support/nfs/atomicio.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2002 Marius Aamodt Eriksen <marius@monkey.org>
+ * Copyright (c) 1995,1999 Theo de Raadt.  All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "nfslib.h"
+
+/*
+ * ensure all of data on socket comes through. f==read || f==write
+ */
+ssize_t atomicio(ssize_t(*f) (int, void *, size_t), int fd, void *_s, size_t n)
+{
+	char *s = _s;
+	ssize_t res, pos = 0;
+
+	while ((ssize_t)n > pos) {
+		res = (f) (fd, s + pos, n - pos);
+		switch (res) {
+		case -1:
+			if (errno == EINTR || errno == EAGAIN)
+				continue;
+			/* FALLTHRU */
+		case 0:
+			if (pos != 0)
+				return pos;
+			return res;
+		default:
+			pos += res;
+		}
+	}
+	return pos;
+}
diff --git a/support/nfs/cacheio.c b/support/nfs/cacheio.c
new file mode 100644
index 0000000..bd4da0e
--- /dev/null
+++ b/support/nfs/cacheio.c
@@ -0,0 +1,253 @@
+/*
+ * support/nfs/cacheio.c
+ * support IO on the cache channel files in 2.5 and beyond.
+ * These use 'qwords' which are like words, but with a little quoting.
+ *
+ */
+
+
+/*
+ * Support routines for text-based upcalls.
+ * Fields are separated by spaces.
+ * Fields are either mangled to quote space tab newline slosh with slosh
+ * or a hexified with a leading \x
+ * Record is terminated with newline.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <nfslib.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <string.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <time.h>
+#include <errno.h>
+
+void qword_add(char **bpp, int *lp, char *str)
+{
+	char *bp = *bpp;
+	int len = *lp;
+	char c;
+
+	if (len < 0) return;
+
+	while ((c=*str++) && len > 0)
+		switch(c) {
+		case ' ':
+		case '\t':
+		case '\n':
+		case '\\':
+			if (len >= 4) {
+				*bp++ = '\\';
+				*bp++ = '0' + ((c & 0300)>>6);
+				*bp++ = '0' + ((c & 0070)>>3);
+				*bp++ = '0' + ((c & 0007)>>0);
+			}
+			len -= 4;
+			break;
+		default:
+			*bp++ = c;
+			len--;
+		}
+	if (c || len <1) len = -1;
+	else {
+		*bp++ = ' ';
+		len--;
+	}
+	*bpp = bp;
+	*lp = len;
+}
+
+void qword_addhex(char **bpp, int *lp, char *buf, int blen)
+{
+	char *bp = *bpp;
+	int len = *lp;
+
+	if (len < 0) return;
+
+	if (len > 2) {
+		*bp++ = '\\';
+		*bp++ = 'x';
+		len -= 2;
+		while (blen && len >= 2) {
+			unsigned char c = *buf++;
+			*bp++ = '0' + ((c&0xf0)>>4) + (c>=0xa0)*('a'-'9'-1);
+			*bp++ = '0' + (c&0x0f) + ((c&0x0f)>=0x0a)*('a'-'9'-1);
+			len -= 2;
+			blen--;
+		}
+	}
+	if (blen || len<1) len = -1;
+	else {
+		*bp++ = ' ';
+		len--;
+	}
+	*bpp = bp;
+	*lp = len;
+}
+
+void qword_addint(char **bpp, int *lp, int n)
+{
+	int len;
+
+	len = snprintf(*bpp, *lp, "%d ", n);
+	if (len > *lp)
+		len = *lp;
+	*bpp += len;
+	*lp -= len;
+}
+
+void qword_adduint(char **bpp, int *lp, unsigned int n)
+{
+	int len;
+
+	len = snprintf(*bpp, *lp, "%u ", n);
+	if (len > *lp)
+		len = *lp;
+	*bpp += len;
+	*lp -= len;
+}
+
+void qword_addeol(char **bpp, int *lp)
+{
+	if (*lp <= 0)
+		return;
+	**bpp = '\n';
+	(*bpp)++;
+	(*lp)--;
+}
+
+#define isodigit(c) (isdigit(c) && c <= '7')
+int qword_get(char **bpp, char *dest, int bufsize)
+{
+	/* return bytes copied, or -1 on error */
+	char *bp = *bpp;
+	int len = 0;
+
+	while (*bp == ' ') bp++;
+
+	if (bp[0] == '\\' && bp[1] == 'x') {
+		/* HEX STRING */
+		bp += 2;
+		while (isxdigit(bp[0]) && isxdigit(bp[1]) && len < bufsize) {
+			int byte = isdigit(*bp) ? *bp-'0' : toupper(*bp)-'A'+10;
+			bp++;
+			byte <<= 4;
+			byte |= isdigit(*bp) ? *bp-'0' : toupper(*bp)-'A'+10;
+			*dest++ = byte;
+			bp++;
+			len++;
+		}
+	} else {
+		/* text with \nnn octal quoting */
+		while (*bp != ' ' && *bp != '\n' && *bp && len < bufsize-1) {
+			if (*bp == '\\' &&
+			    isodigit(bp[1]) && (bp[1] <= '3') &&
+			    isodigit(bp[2]) &&
+			    isodigit(bp[3])) {
+				int byte = (*++bp -'0');
+				bp++;
+				byte = (byte << 3) | (*bp++ - '0');
+				byte = (byte << 3) | (*bp++ - '0');
+				*dest++ = byte;
+				len++;
+			} else {
+				*dest++ = *bp++;
+				len++;
+			}
+		}
+	}
+
+	if (*bp != ' ' && *bp != '\n' && *bp != '\0')
+		return -1;
+	while (*bp == ' ') bp++;
+	*bpp = bp;
+	*dest = '\0';
+	return len;
+}
+
+int qword_get_int(char **bpp, int *anint)
+{
+	char buf[50];
+	char *ep;
+	int rv;
+	int len = qword_get(bpp, buf, 50);
+	if (len < 0) return -1;
+	if (len ==0) return -1;
+	rv = strtol(buf, &ep, 0);
+	if (*ep) return -1;
+	*anint = rv;
+	return 0;
+}
+
+int qword_get_uint(char **bpp, unsigned int *anint)
+{
+	char buf[50];
+	char *ep;
+	unsigned int rv;
+	int len = qword_get(bpp, buf, 50);
+	if (len < 0) return -1;
+	if (len ==0) return -1;
+	rv = strtoul(buf, &ep, 0);
+	if (*ep) return -1;
+	*anint = rv;
+	return 0;
+}
+
+/* flush the kNFSd caches.
+ * Set the flush time to the mtime of the etab state file or
+ * if force, to now.
+ * the caches to flush are:
+ *  auth.unix.ip nfsd.export nfsd.fh
+ */
+
+void
+cache_flush(void)
+{
+	int c;
+	char stime[32];
+	char path[200];
+	time_t now;
+	/* Note: the order of these caches is important.
+	 * They need to be flushed in dependancy order. So
+	 * a cache that references items in another cache,
+	 * as nfsd.fh entries reference items in nfsd.export,
+	 * must be flushed before the cache that it references.
+	 */
+	static char *cachelist[] = {
+		"auth.unix.ip",
+		"auth.unix.gid",
+		"nfsd.fh",
+		"nfsd.export",
+		NULL
+	};
+	now = time(0);
+
+	/* Since v4.16-rc2-3-g3b68e6ee3cbd the timestamp written is ignored.
+	 * It is safest always to flush caches if there is any doubt.
+	 * For earlier kernels, writing the next second from now is
+	 * the best we can do.
+	 */
+	sprintf(stime, "%" PRId64 "\n", (int64_t)now+1);
+	for (c=0; cachelist[c]; c++) {
+		int fd;
+		sprintf(path, "/proc/net/rpc/%s/flush", cachelist[c]);
+		fd = open(path, O_RDWR);
+		if (fd >= 0) {
+			if (write(fd, stime, strlen(stime)) != (ssize_t)strlen(stime)) {
+				xlog_warn("Writing to '%s' failed: errno %d (%s)",
+				path, errno, strerror(errno));
+			}
+			close(fd);
+		}
+	}
+}
diff --git a/support/nfs/closeall.c b/support/nfs/closeall.c
new file mode 100644
index 0000000..e07253e
--- /dev/null
+++ b/support/nfs/closeall.c
@@ -0,0 +1,39 @@
+/*
+ * support/nfs/closeall.c
+ * Close all file descriptors greater than some limit,
+ * Use readdir "/proc/self/fd" to avoid excess close(2) calls.
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <errno.h>
+
+#include "nfslib.h"
+
+void
+closeall(int min)
+{
+	char *endp;
+	long n;
+	DIR *dir = opendir("/proc/self/fd");
+
+	if (dir != NULL) {
+		int dfd = dirfd(dir);
+		struct dirent *d;
+
+		while ((d = readdir(dir)) != NULL) {
+			errno = 0;
+			n = strtol(d->d_name, &endp, 10);
+			if (!errno && *endp == '\0' && endp != d->d_name &&
+			    n >= min && n != dfd)
+				(void) close(n);
+		}
+		closedir(dir);
+	} else {
+		int fd = sysconf(_SC_OPEN_MAX);
+		while (--fd >= min)
+			if(fd >= 0)
+				(void) close(fd);
+	}
+}
diff --git a/support/nfs/conffile.c b/support/nfs/conffile.c
new file mode 100644
index 0000000..fd4a17a
--- /dev/null
+++ b/support/nfs/conffile.c
@@ -0,0 +1,2345 @@
+/*	$OpenBSD: conf.c,v 1.55 2003/06/03 14:28:16 ho Exp $	*/
+/*	$EOM: conf.c,v 1.48 2000/12/04 02:04:29 angelos Exp $	*/
+
+/*
+ * Copyright (c) 1998, 1999, 2000, 2001 Niklas Hallqvist.  All rights reserved.
+ * Copyright (c) 2000, 2001, 2002 Håkan Olsson.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This code was written under funding by Ericsson Radio Systems.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <err.h>
+#include <syslog.h>
+#include <libgen.h>
+#include <sys/file.h>
+#include <time.h>
+#include <dirent.h>
+
+#include "conffile.h"
+#include "xlog.h"
+
+#define CONF_FILE_EXT ".conf"
+#define CONF_FILE_EXT_LEN ((int) (sizeof(CONF_FILE_EXT) - 1))
+
+#pragma GCC visibility push(hidden)
+
+static void conf_load_defaults(void);
+static char * conf_readfile(const char *path);
+static int conf_set(int , const char *, const char *, const char *,
+	const char *, int , int );
+static void conf_parse(int trans, char *buf,
+	char **section, char **subsection, const char *filename);
+
+struct conf_trans {
+	TAILQ_ENTRY (conf_trans) link;
+	int trans;
+	enum conf_op { CONF_SET, CONF_REMOVE, CONF_REMOVE_SECTION } op;
+	char *section;
+	char *arg;
+	char *tag;
+	char *value;
+	int override;
+	int is_default;
+};
+
+TAILQ_HEAD (conf_trans_head, conf_trans) conf_trans_queue;
+
+/*
+ * Radix-64 Encoding.
+ */
+
+static const uint8_t asc2bin[] =
+{
+  255, 255, 255, 255, 255, 255, 255, 255,
+  255, 255, 255, 255, 255, 255, 255, 255,
+  255, 255, 255, 255, 255, 255, 255, 255,
+  255, 255, 255, 255, 255, 255, 255, 255,
+  255, 255, 255, 255, 255, 255, 255, 255,
+  255, 255, 255,  62, 255, 255, 255,  63,
+   52,  53,  54,  55,  56,  57,  58,  59,
+   60,  61, 255, 255, 255, 255, 255, 255,
+  255,   0,   1,   2,   3,   4,   5,   6,
+    7,   8,   9,  10,  11,  12,  13,  14,
+   15,  16,  17,  18,  19,  20,  21,  22,
+   23,  24,  25, 255, 255, 255, 255, 255,
+  255,  26,  27,  28,  29,  30,  31,  32,
+   33,  34,  35,  36,  37,  38,  39,  40,
+   41,  42,  43,  44,  45,  46,  47,  48,
+   49,  50,  51, 255, 255, 255, 255, 255
+};
+
+struct conf_binding {
+  LIST_ENTRY (conf_binding) link;
+  char *section;
+  char *arg;
+  char *tag;
+  char *value;
+  int is_default;
+};
+
+LIST_HEAD (conf_bindings, conf_binding) conf_bindings[256];
+
+const char *modified_by = NULL;
+
+static __inline__ uint8_t
+conf_hash(const char *s)
+{
+	uint8_t hash = 0;
+
+	while (*s) {
+		hash = ((hash << 1) | (hash >> 7)) ^ tolower (*s);
+		s++;
+	}
+	return hash;
+}
+
+/*
+ * free all the component parts of a conf_binding struct
+ */
+static void free_confbind(struct conf_binding *cb)
+{
+	if (!cb)
+		return;
+	if (cb->section)
+		free(cb->section);
+	if (cb->arg)
+		free(cb->arg);
+	if (cb->tag)
+		free(cb->tag);
+	if (cb->value)
+		free(cb->value);
+	free(cb);
+}
+
+static void free_conftrans(struct conf_trans *ct)
+{
+	if (!ct)
+		return;
+	if (ct->section)
+		free(ct->section);
+	if (ct->arg)
+		free(ct->arg);
+	if (ct->tag)
+		free(ct->tag);
+	if (ct->value)
+		free(ct->value);
+	free(ct);
+}
+
+/*
+ * Insert a tag-value combination from LINE (the equal sign is at POS)
+ */
+static int
+conf_remove_now(const char *section, const char *tag)
+{
+	struct conf_binding *cb, *next;
+
+	cb = LIST_FIRST(&conf_bindings[conf_hash (section)]);
+	for (; cb; cb = next) {
+		next = LIST_NEXT(cb, link);
+		if (strcasecmp(cb->section, section) == 0
+				&& strcasecmp(cb->tag, tag) == 0) {
+			LIST_REMOVE(cb, link);
+			xlog(LOG_INFO,"[%s]:%s->%s removed", section, tag, cb->value);
+			free_confbind(cb);
+			return 0;
+		}
+	}
+	return 1;
+}
+
+static int
+conf_remove_section_now(const char *section)
+{
+  struct conf_binding *cb, *next;
+  int unseen = 1;
+
+	cb = LIST_FIRST(&conf_bindings[conf_hash (section)]);
+	for (; cb; cb = next) {
+		next = LIST_NEXT(cb, link);
+		if (strcasecmp(cb->section, section) == 0) {
+			unseen = 0;
+			LIST_REMOVE(cb, link);
+			xlog(LOG_INFO, "[%s]:%s->%s removed", section, cb->tag, cb->value);
+			free_confbind(cb);
+			}
+		}
+	return unseen;
+}
+
+/*
+ * Insert a tag-value combination from LINE (the equal sign is at POS)
+ * into SECTION of our configuration database.
+ */
+static int
+conf_set_now(const char *section, const char *arg, const char *tag,
+	const char *value, int override, int is_default)
+{
+	struct conf_binding *node = 0;
+
+	if (override)
+		conf_remove_now(section, tag);
+	else if (conf_get_section(section, arg, tag)) {
+		if (!is_default) {
+			xlog(LOG_INFO, "conf_set: duplicate tag [%s]:%s, ignoring...",
+				section, tag);
+		}
+		return 1;
+	}
+	node = calloc(1, sizeof *node);
+	if (!node) {
+		xlog_warn("conf_set: calloc (1, %lu) failed", (unsigned long)sizeof *node);
+		return 1;
+	}
+	node->section = strdup(section);
+	if (arg)
+		node->arg = strdup(arg);
+	node->tag = strdup(tag);
+	node->value = strdup(value);
+	node->is_default = is_default;
+	LIST_INSERT_HEAD(&conf_bindings[conf_hash (section)], node, link);
+	return 0;
+}
+
+/* Attempt to construct a relative path to the new file */
+static char *
+relative_path(const char *oldfile, const char *newfile)
+{
+	char *tmpcopy = NULL;
+	char *dir = NULL;
+	char *relpath = NULL;
+	size_t pathlen;
+
+	if (!newfile)
+		return strdup(oldfile);
+
+	if (newfile[0] == '/')
+		return strdup(newfile);
+
+	tmpcopy = strdup(oldfile);
+	if (!tmpcopy)
+		goto mem_err;
+
+	dir = dirname(tmpcopy);
+
+	pathlen = strlen(dir) + strlen(newfile) + 2;
+	relpath = calloc(1, pathlen);
+	if (!relpath)
+		goto mem_err;
+
+	snprintf(relpath, pathlen, "%s/%s", dir, newfile);
+
+	free(tmpcopy);
+	return relpath;
+mem_err:
+	if (tmpcopy)
+		free(tmpcopy);
+	return NULL;
+}
+
+
+/*
+ * Parse the line LINE of SZ bytes.  Skip Comments, recognize section
+ * headers and feed tag-value pairs into our configuration database.
+ */
+static void
+conf_parse_line(int trans, char *line, const char *filename, int lineno, char **section, char **subsection)
+{
+	char *val, *ptr;
+	char *inc_section = NULL, *inc_subsection = NULL;
+	char *relpath, *subconf;
+
+	/* Strip off any leading blanks */
+	while (isspace(*line))
+		line++;
+
+	/* Ignore blank lines */
+	if (*line == '\0')
+		return;
+
+	/* Lines starting with '#' or ';' are comments.  */
+	if (*line == '#' || *line == ';')
+		return;
+
+	/* '[section]' parsing...  */
+	if (*line == '[') {
+		line++;
+
+		if (*section) {
+			free(*section);
+			*section = NULL;
+		}
+		if (*subsection) {
+			free(*subsection);
+			*subsection = NULL;
+		}
+
+		/* Strip off any blanks after '[' */
+		while (isblank(*line))
+			line++;
+
+		/* find the closing ] */
+		ptr = strchr(line, ']');
+		if (ptr == NULL) {
+			xlog_warn("config error at %s:%d: "
+				  "non-matched ']', ignoring until next section",
+				  filename, lineno);
+			return;
+		}
+
+		/* just ignore everything after the closing ] */
+		*(ptr--) = '\0';
+
+		/* Strip off any blanks before ']' */
+		while (ptr >= line && isblank(*ptr))
+			*(ptr--)='\0';
+
+		/* look for an arg to split from the section name */
+		val = strchr(line, '"');
+		if (val != NULL) {
+			ptr = val - 1;
+			*(val++) = '\0';
+
+			/* trim away any whitespace before the " */
+			while (ptr > line && isblank(*ptr))
+				*(ptr--)='\0';
+		}
+
+		/* copy the section name */
+		*section = strdup(line);
+		if (!*section) {
+			xlog_warn("config error at %s:%d:"
+				  "malloc failed", filename, lineno);
+			return;
+		}
+
+		/* there is no arg, we are done */
+		if (val == NULL) 
+			return;
+
+		/* check for the closing " */
+		ptr = strchr(val, '"');
+		if (ptr == NULL) {
+			xlog_warn("config error at %s:%d: "
+				  "non-matched '\"', ignoring until next section",
+				filename, lineno);
+			return;
+		}
+		*ptr = '\0';
+		*subsection = strdup(val);
+		if (!*subsection)
+			xlog_warn("config error at %s:%d: "
+				  "malloc failed", filename, lineno);
+		return;
+	}
+
+	/* Deal with assignments.  */
+	ptr = strchr(line, '=');
+
+	/* not an assignment line */
+	if (ptr == NULL) {
+		/* Other non-empty lines are weird.  */
+		if (line[strspn(line, " \t")])
+			xlog_warn("config error at %s:%d: "
+				"line not empty and not an assignment",
+				filename, lineno);
+		return;
+	}
+
+	/* If no section, we are ignoring the line.  */
+	if (!*section) {
+		xlog_warn("config error at %s:%d: "
+			  "ignoring line not in a section",
+			  filename, lineno);
+		return;
+	}
+
+	val = ptr + 1;
+	*(ptr--) = '\0';
+
+	/* strip spaces before and after the = */
+	while (ptr >= line && isblank(*ptr))
+		*(ptr--)='\0';
+	while (*val != '\0' && isblank(*val))
+		val++;
+
+	if (*val == '"') {
+		val++;
+		ptr = strchr(val, '"');
+		if (ptr == NULL) {
+			xlog_warn("config error at %s:%d: "
+				  "unmatched quotes",filename, lineno);
+			return;
+		}
+		*ptr = '\0';
+	} else
+	if (*val == '\'') {
+		val++;
+		ptr = strchr(val, '\'');
+		if (ptr == NULL) {
+			xlog_warn("config error at %s:%d: "
+				  "unmatched quotes", filename, lineno);
+			return;
+		}
+		*ptr = '\0';
+	} else {
+		/* Trim any trailing spaces and comments */
+		if ((ptr=strchr(val, '#'))!=NULL)
+			*ptr = '\0';
+		if ((ptr=strchr(val, ';'))!=NULL)
+			*ptr = '\0';
+
+		ptr = val + strlen(val) - 1;
+		while (ptr > val && isspace(*ptr))
+			*(ptr--) = '\0';
+	}
+
+	if (*line == '\0') {
+		xlog_warn("config error at %s:%d: "
+			  "missing tag in assignment", filename, lineno);
+		return;
+	}
+
+	if (strcasecmp(line, "include")==0) {
+		/* load and parse subordinate config files */
+		_Bool optional = false;
+
+		if (val && *val == '-') {
+			optional = true;
+			val++;
+		}
+
+		relpath = relative_path(filename, val);
+		if (relpath == NULL) {
+			if (!optional)
+				xlog_warn("config error at %s:%d: error loading included config",
+					  filename, lineno);
+			return;
+		}
+
+		subconf = conf_readfile(relpath);
+		if (subconf == NULL) {
+			if (!optional)
+				xlog_warn("config error at %s:%d: error loading included config",
+					  filename, lineno);
+			if (relpath)
+				free(relpath);
+			return;
+		}
+
+		/* copy the section data so the included file can inherit it
+		 * without accidentally changing it for us */
+		if (*section != NULL) {
+			inc_section = strdup(*section);
+			if (*subsection != NULL)
+				inc_subsection = strdup(*subsection);
+		}
+
+		conf_parse(trans, subconf, &inc_section, &inc_subsection, relpath);
+
+		if (inc_section)
+			free(inc_section);
+		if (inc_subsection)
+			free(inc_subsection);
+		if (relpath)
+			free(relpath);
+		free(subconf);
+	} else {
+		/* XXX Perhaps should we not ignore errors?  */
+		conf_set(trans, *section, *subsection, line, val, 1, 0);
+	}
+}
+
+/* Parse the mapped configuration file.  */
+static void
+conf_parse(int trans, char *buf, char **section, char **subsection, const char *filename)
+{
+	char *cp = buf;
+	char *bufend = NULL;
+	char *line;
+	int lineno = 0;
+
+	line = cp;
+	bufend = buf + strlen(buf);
+	while (cp < bufend) {
+		if (*cp == '\n') {
+			/* Check for escaped newlines.  */
+			if (cp > buf && *(cp - 1) == '\\')
+				*(cp - 1) = *cp = ' ';
+			else {
+				*cp = '\0';
+				lineno++;
+				conf_parse_line(trans, line, filename, lineno, section, subsection);
+				line = cp + 1;
+			}
+		}
+		cp++;
+	}
+	if (cp != line)
+		xlog_warn("conf_parse: last line non-terminated, ignored.");
+}
+
+static void
+conf_load_defaults(void)
+{
+	/* No defaults */
+	return;
+}
+
+static char *
+conf_readfile(const char *path)
+{
+	struct stat sb;
+	if (!path) {
+		xlog(L_ERROR, "conf_readfile: no path given");
+		return NULL;
+	}
+
+	if ((stat (path, &sb) == 0) || (errno != ENOENT)) {
+		char *new_conf_addr = NULL;
+		off_t sz;
+		int fd = open (path, O_RDONLY, 0);
+
+		if (fd == -1) {
+			xlog_warn("conf_readfile: open (\"%s\", O_RDONLY) failed", path);
+			return NULL;
+		}
+
+		/* Grab a shared lock to ensure its not mid-rewrite */
+		if (flock(fd, LOCK_SH)) {
+			xlog_warn("conf_readfile: attempt to grab read lock failed: %s",
+				strerror(errno));
+			goto fail;
+		}
+
+		/* only after we have the lock, check the file size ready to read it */
+		sz = lseek(fd, 0, SEEK_END);
+		if (sz < 0) {
+			xlog_warn("conf_readfile: unable to determine file size: %s",
+				  strerror(errno));
+			goto fail;
+		}
+		lseek(fd, 0, SEEK_SET);
+
+		new_conf_addr = malloc(sz+1);
+		if (!new_conf_addr) {
+			xlog_warn("conf_readfile: malloc (%lu) failed", (unsigned long)sz);
+			goto fail;
+		}
+
+		/* XXX I assume short reads won't happen here.  */
+		if (read (fd, new_conf_addr, sz) != (int)sz) {
+			xlog_warn("conf_readfile: read (%d, %p, %lu) failed",
+				fd, new_conf_addr, (unsigned long)sz);
+			goto fail;
+		}
+		close(fd);
+
+		/* XXX Should we not care about errors and rollback?  */
+		new_conf_addr[sz] = '\0';
+		return new_conf_addr;
+	fail:
+		close(fd);
+		if (new_conf_addr) 
+			free(new_conf_addr);
+	}
+	return NULL;
+}
+
+/* remove and free up any existing config state */
+static void conf_free_bindings(void)
+{
+	unsigned int i;
+	for (i = 0; i < sizeof conf_bindings / sizeof conf_bindings[0]; i++) {
+		struct conf_binding *cb, *next;
+
+		cb = LIST_FIRST(&conf_bindings[i]);
+		for (; cb; cb = next) {
+			next = LIST_NEXT(cb, link);
+			LIST_REMOVE(cb, link);
+			free_confbind(cb);
+		}
+		LIST_INIT(&conf_bindings[i]);
+	}
+}
+
+static int
+conf_load_files(int trans, const char *conf_file)
+{
+	char *conf_data;
+	char *section = NULL;
+	char *subsection = NULL;
+
+	conf_data = conf_readfile(conf_file);
+	if (conf_data == NULL)
+		return 1;
+
+	/* Load default configuration values.  */
+	conf_load_defaults();
+
+	/* Parse config contents into the transaction queue */
+	conf_parse(trans, conf_data, &section, &subsection, conf_file);
+	if (section) 
+		free(section);
+	if (subsection) 
+		free(subsection);
+	free(conf_data);
+
+	return 0;
+}
+/* Open the config file and map it into our address space, then parse it.  */
+static int
+conf_load_file(const char *conf_file)
+{
+	int trans;
+	char * conf_data;
+
+	trans = conf_begin();
+	conf_data = conf_readfile(conf_file);
+
+	if (conf_data == NULL)
+		return 1;
+
+	/* Load default configuration values.  */
+	conf_load_defaults();
+
+	/* Parse config contents into the transaction queue */
+	char *section = NULL;
+	char *subsection = NULL;
+	conf_parse(trans, conf_data, &section, &subsection, conf_file);
+	if (section) free(section);
+	if (subsection) free(subsection);
+	free(conf_data);
+
+	/* Free potential existing configuration.  */
+	conf_free_bindings();
+
+	/* Apply the new configuration values */
+	conf_end(trans, 1);
+	return 0;
+}
+
+static void 
+conf_init_dir(const char *conf_file)
+{
+	struct dirent **namelist = NULL;
+	char *dname, fname[PATH_MAX], *cname;
+	int n = 0, nfiles = 0, i, fname_len, dname_len;
+	int trans, rv, path_len;
+
+	dname = malloc(strlen(conf_file) + 3);
+	if (dname == NULL) {
+		xlog(L_WARNING, "conf_init_dir: malloc: %s", strerror(errno));
+		return;	
+	}
+	sprintf(dname, "%s.d", conf_file);
+
+	n = scandir(dname, &namelist, NULL, versionsort);
+	if (n < 0) {
+		if (errno != ENOENT) {
+			xlog(L_WARNING, "conf_init_dir: scandir %s: %s", 
+				dname, strerror(errno));
+		}
+		free(dname);
+		return;
+	} else if (n == 0) {
+		free(dname);
+		return;
+	}
+
+	trans = conf_begin();
+	dname_len = strlen(dname);
+	for (i = 0; i < n; i++ ) {
+		struct dirent *d = namelist[i];
+
+	 	switch (d->d_type) {
+			case DT_UNKNOWN:
+			case DT_REG:
+			case DT_LNK:
+				break;
+			default:
+				continue;
+		}
+		if (*d->d_name == '.')
+			continue;
+		
+		fname_len = strlen(d->d_name);
+		path_len = (fname_len + dname_len);
+		if (!fname_len || path_len > PATH_MAX) {
+			xlog(L_WARNING, "conf_init_dir: Too long file name: %s in %s", 
+				d->d_name, dname);
+			continue; 
+		}
+
+		/*
+		 * Check the naming of the file. Only process files
+		 * that end with CONF_FILE_EXT
+		 */
+		if (fname_len <= CONF_FILE_EXT_LEN) {
+			xlog(D_GENERAL, "conf_init_dir: %s: name too short", 
+				d->d_name);
+			continue;
+		}
+		cname = (d->d_name + (fname_len - CONF_FILE_EXT_LEN));
+		if (strcmp(cname, CONF_FILE_EXT) != 0) {
+			xlog(D_GENERAL, "conf_init_dir: %s: invalid file extension", 
+				d->d_name);
+			continue;
+		}
+
+		rv = snprintf(fname, PATH_MAX, "%s/%s", dname, d->d_name);
+		if (rv < path_len) {
+			xlog(L_WARNING, "conf_init_dir: file name: %s/%s too short", 
+				d->d_name, dname);
+			continue;
+		}
+
+		if (conf_load_files(trans, fname))
+			continue;
+		nfiles++;
+	}
+
+	if (nfiles) {
+		/* Apply the configuration values */
+		conf_end(trans, 1);
+	}
+	for (i = 0; i < n; i++)
+		free(namelist[i]);
+	free(namelist);
+	free(dname);
+	
+	return;
+}
+
+int
+conf_init_file(const char *conf_file)
+{
+	unsigned int i;
+	int ret;
+
+	for (i = 0; i < sizeof conf_bindings / sizeof conf_bindings[0]; i++)
+		LIST_INIT (&conf_bindings[i]);
+
+	TAILQ_INIT (&conf_trans_queue);
+
+	if (conf_file == NULL) 
+		conf_file=NFS_CONFFILE;
+
+	/*
+	 * First parse the give config file 
+	 * then parse the config.conf.d directory 
+	 * (if it exists)
+	 *
+	 */
+	ret = conf_load_file(conf_file);
+
+	/*
+	 * When the same variable is set in both files
+	 * the conf.d file will override the config file.
+	 * This allows automated admin systems to
+	 * have the final say.
+	 */
+	conf_init_dir(conf_file);
+
+	return ret;
+}
+
+/*
+ * Empty the config and free up any used memory
+ */
+void
+conf_cleanup(void)
+{
+	conf_free_bindings();
+
+	struct conf_trans *node, *next;
+	for (node = TAILQ_FIRST(&conf_trans_queue); node; node = next) {
+		next = TAILQ_NEXT(node, link);
+		TAILQ_REMOVE (&conf_trans_queue, node, link);
+		free_conftrans(node);
+	}
+	TAILQ_INIT(&conf_trans_queue);
+}
+
+/*
+ * Return the numeric value denoted by TAG in section SECTION or DEF
+ * if that tag does not exist.
+ */
+int
+conf_get_num(const char *section, const char *tag, int def)
+{
+	char *value = conf_get_str(section, tag);
+
+	if (value)
+		return atoi(value);
+
+	return def;
+}
+
+/*
+ * Return the Boolean value denoted by TAG in section SECTION, or DEF
+ * if that tags does not exist.
+ * FALSE is returned for case-insensitive comparisons with 0, f, false, n, no, off
+ * TRUE is returned for 1, t, true, y, yes, on
+ * A failure to match one of these results in DEF
+ */
+_Bool
+conf_get_bool(const char *section, const char *tag, _Bool def)
+{
+	char *value = conf_get_str(section, tag);
+
+	if (!value)
+		return def;
+	if (strcasecmp(value, "1") == 0 ||
+	    strcasecmp(value, "t") == 0 ||
+	    strcasecmp(value, "true") == 0 ||
+	    strcasecmp(value, "y") == 0 ||
+	    strcasecmp(value, "yes") == 0 ||
+	    strcasecmp(value, "on") == 0)
+		return true;
+
+	if (strcasecmp(value, "0") == 0 ||
+	    strcasecmp(value, "f") == 0 ||
+	    strcasecmp(value, "false") == 0 ||
+	    strcasecmp(value, "n") == 0 ||
+	    strcasecmp(value, "no") == 0 ||
+	    strcasecmp(value, "off") == 0)
+		return false;
+	return def;
+}
+
+/* Validate X according to the range denoted by TAG in section SECTION.  */
+int
+conf_match_num(const char *section, const char *tag, int x)
+{
+	char *value = conf_get_str (section, tag);
+	int val, min, max, n;
+
+	if (!value)
+		return 0;
+	n = sscanf (value, "%d,%d:%d", &val, &min, &max);
+	switch (n) {
+	case 1:
+		xlog(LOG_INFO, "conf_match_num: %s:%s %d==%d?", section, tag, val, x);
+		return x == val;
+	case 3:
+		xlog(LOG_INFO, "conf_match_num: %s:%s %d<=%d<=%d?", section,
+			tag, min, x, max);
+		return min <= x && max >= x;
+	default:
+		xlog(LOG_INFO, "conf_match_num: section %s tag %s: invalid number spec %s",
+			section, tag, value);
+	}
+	return 0;
+}
+
+/* Return the string value denoted by TAG in section SECTION.  */
+char *
+conf_get_str(const char *section, const char *tag)
+{
+	return conf_get_section(section, NULL, tag);
+}
+
+/* Return the string value denoted by TAG in section SECTION,
+ * unless it is not set, in which case return def
+ */
+char *
+conf_get_str_with_def(const char *section, const char *tag, char *def)
+{
+	char * result = conf_get_section(section, NULL, tag);
+	if (!result)
+		return def;
+	return result;
+}
+
+/*
+ * Retrieve an entry without interpreting its contents
+ */
+char *
+conf_get_entry(const char *section, const char *arg, const char *tag)
+{
+	struct conf_binding *cb;
+
+	cb = LIST_FIRST (&conf_bindings[conf_hash (section)]);
+	for (; cb; cb = LIST_NEXT (cb, link)) {
+		if (strcasecmp(section, cb->section) != 0)
+			continue;
+		if (arg && (cb->arg == NULL || strcasecmp(arg, cb->arg) != 0))
+			continue;
+		if (!arg && cb->arg)
+			continue;
+		if (strcasecmp(tag, cb->tag) != 0)
+			continue;
+		return cb->value;
+	}
+	return 0;
+}
+
+/*
+ * Find a section that may or may not have an argument
+ */
+char *
+conf_get_section(const char *section, const char *arg, const char *tag)
+{
+	struct conf_binding *cb;
+retry:
+	cb = LIST_FIRST (&conf_bindings[conf_hash (section)]);
+	for (; cb; cb = LIST_NEXT (cb, link)) {
+		if (strcasecmp(section, cb->section) != 0)
+			continue;
+		if (arg && (cb->arg == NULL || strcasecmp(arg, cb->arg) != 0))
+			continue;
+		if (!arg && cb->arg)
+			continue;
+		if (strcasecmp(tag, cb->tag) != 0)
+			continue;
+		if (cb->value[0] == '$') {
+			/* expand $name from [environment] section,
+			 * or from environment
+			 */
+			char *env = getenv(cb->value+1);
+			if (env && *env)
+				return env;
+			section = "environment";
+			tag = cb->value + 1;
+			goto retry;
+		}
+		return cb->value;
+	}
+	return 0;
+}
+
+/*
+ * Build a list of string values out of the comma separated value denoted by
+ * TAG in SECTION.
+ */
+struct conf_list *
+conf_get_list(const char *section, const char *tag)
+{
+	char *liststr = 0, *p, *field, *t;
+	struct conf_list *list = 0;
+	struct conf_list_node *node;
+
+	list = malloc (sizeof *list);
+	if (!list)
+		goto cleanup;
+	TAILQ_INIT (&list->fields);
+	list->cnt = 0;
+	liststr = conf_get_str(section, tag);
+	if (!liststr)
+		goto cleanup;
+	liststr = strdup (liststr);
+	if (!liststr)
+		goto cleanup;
+	p = liststr;
+	while ((field = strsep (&p, ",")) != NULL) {
+		/* Skip leading whitespace */
+		while (isspace (*field))
+			field++;
+		/* Skip trailing whitespace */
+		if (p) {
+			for (t = p - 1; t > field && isspace (*t); t--)
+				*t = '\0';
+		}
+		if (*field == '\0') {
+			xlog(LOG_INFO, "conf_get_list: empty field, ignoring...");
+			continue;
+		}
+		list->cnt++;
+		node = calloc (1, sizeof *node);
+		if (!node)
+			goto cleanup;
+		node->field = strdup (field);
+		if (!node->field) {
+			free(node);
+			goto cleanup;
+		}
+		TAILQ_INSERT_TAIL (&list->fields, node, link);
+	}
+	free (liststr);
+	return list;
+
+cleanup:
+	if (list)
+		conf_free_list(list);
+	if (liststr)
+		free(liststr);
+	return 0;
+}
+
+struct conf_list *
+conf_get_tag_list(const char *section, const char *arg)
+{
+	struct conf_list *list = 0;
+	struct conf_list_node *node;
+	struct conf_binding *cb;
+
+	list = malloc(sizeof *list);
+	if (!list)
+		goto cleanup;
+	TAILQ_INIT(&list->fields);
+	list->cnt = 0;
+	cb = LIST_FIRST(&conf_bindings[conf_hash (section)]);
+	for (; cb; cb = LIST_NEXT(cb, link)) {
+		if (strcasecmp (section, cb->section) == 0) {
+			if (arg != NULL && strcasecmp(arg, cb->arg) != 0)
+				continue;
+			list->cnt++;
+			node = calloc(1, sizeof *node);
+			if (!node)
+				goto cleanup;
+			node->field = strdup(cb->tag);
+			if (!node->field) {
+				free(node);
+				goto cleanup;
+			}
+			TAILQ_INSERT_TAIL(&list->fields, node, link);
+		}
+	}
+	return list;
+
+cleanup:
+	if (list)
+		conf_free_list(list);
+	return 0;
+}
+
+/* Decode a PEM encoded buffer.  */
+int
+conf_decode_base64 (uint8_t *out, uint32_t *len, const unsigned char *buf)
+{
+	uint32_t c = 0;
+	uint8_t c1, c2, c3, c4;
+
+	while (*buf) {
+		if (*buf > 127 || (c1 = asc2bin[*buf]) == 255)
+			return 0;
+
+		buf++;
+		if (*buf > 127 || (c2 = asc2bin[*buf]) == 255)
+			return 0;
+
+		buf++;
+		if (*buf == '=') {
+			c3 = c4 = 0;
+			c++;
+
+			/* Check last four bit */
+			if (c2 & 0xF)
+				return 0;
+
+			if (strcmp((char *)buf, "==") == 0)
+				buf++;
+			else
+				return 0;
+		} else if (*buf > 127 || (c3 = asc2bin[*buf]) == 255)
+			return 0;
+		else {
+			if (*++buf == '=') {
+				c4 = 0;
+				c += 2;
+
+				/* Check last two bit */
+				if (c3 & 3)
+					return 0;
+
+			if (strcmp((char *)buf, "="))
+				return 0;
+			} else if (*buf > 127 || (c4 = asc2bin[*buf]) == 255)
+				return 0;
+			else
+				c += 3;
+		}
+
+		buf++;
+		*out++ = (c1 << 2) | (c2 >> 4);
+		*out++ = (c2 << 4) | (c3 >> 2);
+		*out++ = (c3 << 6) | c4;
+	}
+
+	*len = c;
+	return 1;
+}
+
+void
+conf_free_list(struct conf_list *list)
+{
+	struct conf_list_node *node = TAILQ_FIRST(&list->fields);
+
+	while (node) {
+		TAILQ_REMOVE(&list->fields, node, link);
+		if (node->field)
+			free(node->field);
+		free (node);
+		node = TAILQ_FIRST(&list->fields);
+	}
+	free (list);
+}
+
+int
+conf_begin(void)
+{
+  static int seq = 0;
+
+  return ++seq;
+}
+
+static struct conf_trans *
+conf_trans_node(int transaction, enum conf_op op)
+{
+	struct conf_trans *node;
+
+	node = calloc (1, sizeof *node);
+	if (!node) {
+		xlog_warn("conf_trans_node: calloc (1, %lu) failed",
+		(unsigned long)sizeof *node);
+		return 0;
+	}
+	node->trans = transaction;
+	node->op = op;
+	TAILQ_INSERT_TAIL (&conf_trans_queue, node, link);
+	return node;
+}
+
+/* Queue a set operation.  */
+static int
+conf_set(int transaction, const char *section, const char *arg,
+	const char *tag, const char *value, int override, int is_default)
+{
+	struct conf_trans *node;
+
+	if (!value || !*value)
+		return 0;
+	node = conf_trans_node(transaction, CONF_SET);
+	if (!node)
+		return 1;
+	node->section = strdup(section);
+	if (!node->section) {
+		xlog_warn("conf_set: strdup(\"%s\") failed", section);
+		goto fail;
+	}
+	/* Make Section names case-insensitive */
+	upper2lower(node->section);
+
+	if (arg) {
+		node->arg = strdup(arg);
+		if (!node->arg) {
+			xlog_warn("conf_set: strdup(\"%s\") failed", arg);
+			goto fail;
+		}
+	} else
+		node->arg = NULL;
+
+	node->tag = strdup(tag);
+	if (!node->tag) {
+		xlog_warn("conf_set: strdup(\"%s\") failed", tag);
+		goto fail;
+	}
+	node->value = strdup(value);
+	if (!node->value) {
+		xlog_warn("conf_set: strdup(\"%s\") failed", value);
+		goto fail;
+	}
+	node->override = override;
+	node->is_default = is_default;
+	return 0;
+
+fail:
+	free_conftrans(node);
+	return 1;
+}
+
+/* Queue a remove operation.  */
+int
+conf_remove(int transaction, const char *section, const char *tag)
+{
+	struct conf_trans *node;
+
+	node = conf_trans_node(transaction, CONF_REMOVE);
+	if (!node)
+		goto fail;
+	node->section = strdup(section);
+	if (!node->section) {
+		xlog_warn("conf_remove: strdup(\"%s\") failed", section);
+		goto fail;
+	}
+	node->tag = strdup(tag);
+	if (!node->tag) {
+		xlog_warn("conf_remove: strdup(\"%s\") failed", tag);
+		goto fail;
+	}
+	return 0;
+
+fail:
+	free_conftrans(node);
+	return 1;
+}
+
+/* Queue a remove section operation.  */
+int
+conf_remove_section(int transaction, const char *section)
+{
+	struct conf_trans *node;
+
+	node = conf_trans_node(transaction, CONF_REMOVE_SECTION);
+	if (!node)
+		goto fail;
+	node->section = strdup(section);
+	if (!node->section) {
+		xlog_warn("conf_remove_section: strdup(\"%s\") failed", section);
+		goto fail;
+	}
+	return 0;
+
+fail:
+	free_conftrans(node);
+	return 1;
+}
+
+/* Execute all queued operations for this transaction.  Cleanup.  */
+int
+conf_end(int transaction, int commit)
+{
+	struct conf_trans *node, *next;
+
+	for (node = TAILQ_FIRST(&conf_trans_queue); node; node = next) {
+		next = TAILQ_NEXT(node, link);
+		if (node->trans == transaction) {
+			if (commit) {
+				switch (node->op) {
+				case CONF_SET:
+					conf_set_now(node->section, node->arg,
+						node->tag, node->value, node->override,
+						node->is_default);
+					break;
+				case CONF_REMOVE:
+					conf_remove_now(node->section, node->tag);
+					break;
+				case CONF_REMOVE_SECTION:
+					conf_remove_section_now(node->section);
+					break;
+				default:
+					xlog(LOG_INFO, "conf_end: unknown operation: %d", node->op);
+				}
+			}
+			TAILQ_REMOVE (&conf_trans_queue, node, link);
+			free_conftrans(node);
+		}
+	}
+	return 0;
+}
+
+/*
+ * Dump running configuration upon SIGUSR1.
+ * Configuration is "stored in reverse order", so reverse it again.
+ */
+struct dumper {
+	char *section;
+	char *arg;
+	char *tag;
+	char *value;
+	struct dumper *next;
+};
+
+/*
+ * Test if two nodes belong to the same (sub)sections
+ */
+static int
+dumper_section_compare(const struct dumper *nodea, const struct dumper *nodeb)
+{
+	int ret;
+
+	/* missing node, shouldnt happen */
+	if (!nodea || !nodeb)
+		return -1;
+
+	/* no section names at all, they are equal */
+	if (!nodea->section && !nodeb->section)
+		return 0;
+
+	/* if only one has a section name, the blank one goes first */
+	if (!nodea->section && nodeb->section)
+		return -1;
+
+	if (nodea->section && !nodeb->section)
+		return 1;
+
+	/* both have section names, but do they match */
+	ret = strcmp(nodea->section, nodeb->section);
+
+	/* section names differ, that was easy */
+	if (ret != 0)
+		return ret;
+
+	/* sections matched, but how about sub-sections,
+	 * again, if only one has a value the blank goes first
+	 */
+	if (!nodea->arg && nodeb->arg)
+		return -1;
+
+	if (nodea->arg && !nodeb->arg)
+		return  1;
+
+	/* both have sub-section args and they differ */
+	if (nodea->arg && nodeb->arg
+	&& (ret=strcmp(nodea->arg, nodeb->arg))!=0)
+		return ret;
+
+	return 0;
+}
+
+/* If a string starts or ends with a space it should be quoted */
+static bool
+should_escape(const char *text)
+{
+	int len;
+
+	/* no string, no escaping needed */
+	if (!text)
+		return false;
+
+	/* first character is a space */
+	if (isspace(text[0]))
+		return true;
+
+	/* last character is a space */
+	len = strlen(text);
+	if (isspace(text[len-1]))
+		return true;
+
+	return false;
+}
+
+static void
+conf_report_dump_text(struct dumper *head, FILE *ff)
+{
+	const struct dumper *node = head;
+	const struct dumper *last = NULL;
+
+	for (node=head; node!=NULL; node=node->next) {
+		/* starting a new section, print the section header */
+		if (dumper_section_compare(last, node)!=0) {
+			if (node != head)
+				fprintf(ff, "\n");
+			if (node->arg)
+				fprintf(ff, "[%s \"%s\"]\n", node->section, node->arg);
+			else
+				fprintf(ff, "[%s]\n", node->section);
+		}
+
+		/* now print the tag and its value */
+		fprintf(ff, " %s", node->tag);
+		if (node->value) {
+			if (should_escape(node->value))
+				fprintf(ff, " = \"%s\"", node->value);
+			else
+				fprintf(ff, " = %s", node->value);
+		}
+		fprintf(ff, "\n");
+
+		last = node;
+	}
+}
+
+/* sort by tag compare function */
+static int
+dumper_compare(const void *a, const void *b)
+{
+	const struct dumper *nodea = *(struct dumper **)a;
+	const struct dumper *nodeb = *(struct dumper **)b;
+	int ret;
+
+	/* missing node, shouldnt happen */
+	if (!nodea || !nodeb)
+		return -1;
+
+	/* are the two nodes in different (sub)sections */
+	ret = dumper_section_compare(nodea, nodeb);
+	if (ret != 0)
+		return ret;
+
+	/* sub-sections match (both blank, or both same)
+	 * so we compare the tag names
+	 */
+
+	/* blank tags shouldnt happen, but paranoia */
+	if (!nodea->tag && !nodeb->tag)
+		return  0;
+
+	/* still shouldnt happen, but use the blank-goes-first logic */
+	if (!nodea->tag &&  nodeb->tag)
+		return -1;
+	if ( nodea->tag && !nodeb->tag)
+		return  1;
+
+	/* last test, compare the tags directly */
+	ret = strcmp(nodea->tag, nodeb->tag);
+	return ret;
+}
+
+/* sort all of the report nodes */
+static struct dumper *
+conf_report_sort(struct dumper *start)
+{
+	struct dumper **list;
+	struct dumper *node;
+	unsigned int count = 0;
+	unsigned int i=0;
+
+	/* how long is this list */
+	for (node=start; node!=NULL; node=node->next)
+		count++;
+
+	/* no need to sort a list with less than 2 items */
+	if (count < 2)
+		return start;
+
+	/* build an array of all the nodes */
+	list = calloc(count, sizeof(struct dumper *));
+	if (!list)
+		goto mem_err;
+
+	for (node=start,i=0; node!=NULL; node=node->next) {
+		list[i++] = node;
+	}
+
+	/* sort the array alphabetically by section and tag */
+	qsort(list, count, sizeof(struct dumper *), dumper_compare);
+
+	/* rebuild the linked list in sorted order */
+	for (i=0; i<count-1; i++) {
+		list[i]->next = list[i+1];
+	}
+	list[count-1]->next = NULL;
+
+	/* remember the new head of list and discard the sorting array */
+	node = list[0];
+	free(list);
+
+	/* return the new head of list */
+	return node;
+
+mem_err:
+	free(list);
+	return NULL;
+}
+
+/* Output a copy of the current configuration to file */
+void
+conf_report(FILE *outfile)
+{
+	struct conf_binding *cb = NULL;
+	unsigned int i;
+	struct dumper *dumper = NULL, *dnode = NULL;
+
+	xlog(LOG_INFO, "conf_report: dumping running configuration");
+
+	/* build a linked list of all the config nodes */
+	for (i = 0; i < sizeof conf_bindings / sizeof conf_bindings[0]; i++) {
+		for (cb = LIST_FIRST(&conf_bindings[i]); cb; cb = LIST_NEXT(cb, link)) {
+			struct dumper *newnode = calloc(1, sizeof (struct dumper));
+			if (!newnode)
+				goto mem_fail;
+
+			newnode->next = dumper;
+			dumper = newnode;
+
+			newnode->section = cb->section;
+			newnode->arg = cb->arg;
+			newnode->tag = cb->tag;
+			newnode->value = cb->value;
+		}
+	}
+
+	/* sort the list then print it */
+	dumper = conf_report_sort(dumper);
+	conf_report_dump_text(dumper, outfile);
+	goto cleanup;
+
+mem_fail:
+	xlog_warn("conf_report: malloc/calloc failed");
+cleanup:
+	/* traverse the linked list freeing all the nodes */
+	while ((dnode = dumper) != 0) {
+		dumper = dumper->next;
+		free(dnode);
+	}
+	return;
+}
+
+/* struct and queue for buffing output lines */
+TAILQ_HEAD(tailhead, outbuffer);
+
+struct outbuffer {
+	TAILQ_ENTRY(outbuffer) link;
+	char *text;
+};
+
+static struct outbuffer *
+make_outbuffer(char *line)
+{
+	struct outbuffer *new;
+
+	if (line == NULL)
+		return NULL;
+
+	new = calloc(1, sizeof(struct outbuffer));
+	if (new == NULL) {
+		xlog(L_ERROR, "malloc error creating outbuffer");
+		return NULL;
+	}
+	new->text = line;
+	return new;
+}
+
+/* compose a properly escaped tag=value line */
+static char *
+make_tagline(const char *tag, const char *value)
+{
+	char *line;
+	int ret;
+
+	if (!value)
+		return NULL;
+
+	if (should_escape(value))
+		ret = asprintf(&line, "%s = \"%s\"\n", tag, value);
+	else
+		ret = asprintf(&line, "%s = %s\n", tag, value);
+
+	if (ret == -1) {
+		xlog(L_ERROR, "malloc error composing a tag line");
+		return NULL;
+	}
+	return line;
+}
+
+/* compose a section header line */
+static char *
+make_section(const char *section, const char *arg)
+{
+	char *line;
+	int ret;
+
+	if (arg)
+		ret = asprintf(&line, "[%s \"%s\"]\n", section, arg);
+	else
+		ret = asprintf(&line, "[%s]\n", section);
+
+	if (ret == -1) {
+		xlog(L_ERROR, "malloc error composing section header");
+		return NULL;
+	}
+	return line;
+}
+
+/* compose a comment line (with or without tag) */
+static char *
+make_comment(const char *tag, const char *comment)
+{
+	char *line;
+	int ret;
+
+	if (tag == NULL || *tag == '\0') {
+		ret = asprintf(&line, "# %s\n", comment);
+	} else {
+		ret = asprintf(&line, "# %s: %s\n", tag, comment);
+	}
+
+	if (ret == -1) {
+		xlog(L_ERROR, "malloc error composing header");
+		return NULL;
+	}
+
+	return line;
+}
+		
+/* compose a 'file modified' comment */
+static char *
+make_timestamp(const char *tag, time_t when)
+{
+	struct tm *tstamp;
+	char datestr[80];
+	char *result = NULL, *tmpstr = NULL;
+	int ret;
+
+	tstamp = localtime(&when);
+	if (strftime(datestr, sizeof(datestr), "%b %d %Y %H:%M:%S", tstamp) == 0) {
+		xlog(L_ERROR, "error composing date");
+		datestr[0] = '\0';
+	}
+
+	if (modified_by) {
+		ret = asprintf(&tmpstr, "%s on %s", modified_by, datestr);
+		if (ret == -1) {
+			xlog(L_ERROR, "malloc error composing a time stamp");
+			return NULL;
+		}
+		result = make_comment(tag, tmpstr);
+		free(tmpstr);
+	} else {
+		result = make_comment(tag, datestr);
+	}
+	return result;
+}
+
+/* does the supplied line contain the named section header */
+static bool
+is_section(const char *line, const char *section, const char *arg)
+{
+	char *end;
+	char *name;
+	char *sub;
+	bool found = false;
+
+	/* Not a valid section name  */
+	if (strcmp(section, "#") == 0)
+		return false;
+
+	/* skip leading white space */
+	while (*line == '[' || isspace(*line))
+		line++;
+
+	name = strdup(line);
+	if (name == NULL) {
+		xlog_warn("conf_write: malloc failed ");
+		return false;
+	}
+
+	/* find the end */
+	end = strchr(name, ']');
+
+	/* malformed line */
+	if (end == NULL) {
+		xlog_warn("conf_write: warning: malformed section name");
+		goto cleanup;
+	}
+
+	while (*end && ( *end == ']' || isblank(*end)))
+		*(end--) = '\0';
+
+	/* is there a subsection name (aka arg) */
+	sub = strchr(name, '"');
+	if (sub) {
+		end = sub - 1;
+		*(sub++) = '\0';
+
+		/* trim whitespace between section name and arg */
+		while (end > name && isblank(*end))
+			*(end--) = '\0';
+
+		/* trim off closing quote */
+		end = strchr(sub, '"');
+		if (end == NULL) {
+			xlog_warn("conf_write: warning: malformed sub-section name");
+			goto cleanup;
+		}
+		*end = '\0';
+	}
+
+	/* ready to compare */
+	if (strcasecmp(section, name)!=0)
+		goto cleanup;
+
+	if (arg != NULL) {
+		if (sub == NULL || strcasecmp(arg, sub)!=0)
+			goto cleanup;
+	} else {
+		if (sub != NULL)
+			goto cleanup;
+	}
+
+	found = true;
+
+cleanup:
+	free(name);
+	return found;
+}
+
+/* check that line contains the specified tag assignment */
+static bool
+is_tag(const char *line, const char *tagname)
+{
+	char *end;
+	char *name;
+	bool found = false;
+
+	/* quick check, is this even an assignment line */
+	end = strchr(line, '=');
+	if (end == NULL)
+		return false;
+
+	/* skip leading white space before tag name */
+	while (isblank(*line))
+		line++;
+
+	name = strdup(line);
+	if (name == NULL) {
+		xlog_warn("conf_write: malloc failed");
+		return false;
+	}
+
+	/* trim any newline characters */
+	end = strchr(name, '\n');
+	if (end)
+		*end = '\0';
+	end = strchr(name, '\r');
+	if (end)
+		*end = '\0';
+
+	/* find the assignment equals sign */
+	end = strchr(name, '=');
+
+	/* malformed line, i swear the equals was there earlier */
+	if (end == NULL) {
+		xlog_warn("conf_write: warning: malformed tag name");
+		goto cleanup;
+	}
+
+	/* trim trailing whitespace after tag name */
+	do {
+		*(end--) = '\0';
+	}while (end > name && *end && isblank(*end));
+
+	/* quoted string, take contents of quotes only */
+	if (*name == '"') {
+		char * new = strdup(name+1);
+		end = strchr(new, '"');
+		if (end != NULL) {
+			*end = 0;
+			free(name);
+			name = new;
+		} else {
+			free(new);
+		}
+	}
+
+	/* now compare */
+	if (strcasecmp(tagname, name) == 0)
+		found = true;
+
+cleanup:
+	free(name);
+	return found;
+}
+
+/* is this an empty line ? */
+static bool
+is_empty(const char *line)
+{
+	const char *p = line;
+
+	if (line == NULL)
+		return true;
+	if (*line == '\0')
+		return true;
+
+	while (*p != '\0' && isspace(*p))
+		p++;
+
+	if (*p == '\0')
+		return true;
+
+	return false;
+}
+
+/* is this line just a comment ? */
+static bool
+is_comment(const char *line)
+{
+	if (line == NULL)
+		return false;
+
+	while (isblank(*line))
+		line++;
+
+	if (*line == '#')
+		return true;
+
+	return false;
+}
+
+/* check that line contains the specified comment header */
+static bool
+is_taggedcomment(const char *line, const char *field)
+{
+	char *end;
+	char *name;
+	bool found = false;
+
+	if (line == NULL)
+		return false;
+
+	while (isblank(*line))
+		line++;
+
+	if (*line != '#')
+		return false;
+
+	line++;
+
+	/* quick check, is this even a likely formatted line */
+	end = strchr(line, ':');
+	if (end == NULL)
+		return false;
+
+	/* skip leading white space before field name */
+	while (isblank(*line))
+		line++;
+
+	name = strdup(line);
+	if (name == NULL) {
+		xlog_warn("conf_write: malloc failed");
+		return false;
+	}
+
+	/* strip trailing spaces from the name */
+	end = strchr(name, ':');
+	if (end) *(end--) = 0;
+	while (end && end > name && isblank(*end))
+		*(end--)=0;
+
+	if (strcasecmp(name, field)==0) 
+		found = true;
+
+	free(name);
+	return found;
+}
+
+
+/* delete a buffer queue whilst optionally outputting to file */
+static int
+flush_outqueue(struct tailhead *queue, FILE *fout)
+{
+	int ret = 0;
+	while (queue->tqh_first != NULL) {
+		struct outbuffer *ob = queue->tqh_first;
+		TAILQ_REMOVE(queue, ob, link);
+		if (ob->text) {
+			if (fout) {
+				ret = fprintf(fout, "%s", ob->text);
+				if (ret == -1) {
+					xlog(L_ERROR, "Error writing to config file: %s",
+						 strerror(errno));
+					fout = NULL;
+				}
+			}
+			free(ob->text);
+		}
+		free(ob);
+	}
+	if (ret == -1)
+		return 1;
+	return 0;
+}
+
+/* append one queue to another */
+static void
+append_queue(struct tailhead *inq, struct tailhead *outq)
+{
+	while (inq->tqh_first != NULL) {
+		struct outbuffer *ob = inq->tqh_first;
+		TAILQ_REMOVE(inq, ob, link);
+		TAILQ_INSERT_TAIL(outq, ob, link);
+	}
+}
+
+/* read one line of text from a file, growing the buffer as necessary */
+static int
+read_line(char **buff, int *buffsize, FILE *in)
+{
+	char *readp;
+	int used = 0;
+	bool again = false;
+
+	/* make sure we have a buffer to read into */
+	if (*buff == NULL) {
+		*buffsize = 4096;
+		*buff = calloc(1, *buffsize);
+		if (*buff == NULL) {
+			xlog(L_ERROR, "malloc error for read buffer");
+			return -1;
+		}
+	}
+
+	readp = *buff;
+
+	do {
+		int len;
+
+		/* read in a chunk */
+		if (fgets(readp, *buffsize-used, in)==NULL)
+			return -1;
+
+		len = strlen(*buff);
+		if (len == 0)
+			return -1;
+
+		/* was this the end of a line, or partial read */
+		readp = *buff + len - 1;
+
+		if (*readp != '\n' && *readp !='\r') {
+			/* no nl/cr must be partial read, go again */
+			readp++;
+			again = true;
+		} else {
+			/* that was a normal end of line */
+			again = false;
+		}
+
+		/* do we need more space */
+		if (again && *buffsize - len < 1024) {
+			int offset = readp - *buff;
+			char *newbuff;
+			*buffsize += 4096;
+			newbuff = realloc(*buff, *buffsize);
+			if (newbuff == NULL) {
+				xlog(L_ERROR, "malloc error reading line");
+				return -1;
+			}
+			*buff = newbuff;
+			readp = newbuff + offset;
+		}
+	} while(again);
+	return 0;
+}
+
+/* append a line to the given location in the queue */
+static int
+append_line(struct tailhead *queue, struct outbuffer *entry, char *line)
+{
+	int ret = 0;
+	char *end;
+	bool splitmode = false;
+	char *start = line;
+
+	if (line == NULL)
+		return -1;
+
+	/* if there are \n's in the middle of the string
+	 * then we need to split it into folded lines */
+	do {
+		char *thisline;
+		struct outbuffer *qbuff;
+
+		end = strchr(start, '\n');
+		if (end && *(end+1) != '\0') {
+			*end = '\0';
+
+			ret = asprintf(&thisline, "%s\\\n", start);
+			if (ret == -1) {
+				xlog(L_ERROR, "malloc error composing output");
+				return -1;
+			}
+			splitmode = true;
+			start = end+1;
+		} else {
+			end = NULL;
+			if (splitmode) {
+				thisline = strdup(start);
+				if (thisline == NULL)
+					return -1;
+			} else {
+				thisline = start;
+			}
+		}
+
+		qbuff = make_outbuffer(thisline);
+		if (qbuff == NULL)
+			return -1;
+
+		if (entry) {
+			TAILQ_INSERT_AFTER(queue, entry, qbuff, link);
+			entry = TAILQ_NEXT(entry, link);
+		} else {
+			TAILQ_INSERT_TAIL(queue, qbuff, link);
+		}
+	}while (end != NULL);
+
+	/* we malloced copies of this, so free the original */
+	if (splitmode)
+		free(line);
+
+	return 0;
+}
+
+/* is this a "folded" line, i.e. ends in backslash */
+static bool
+is_folded(const char *line)
+{
+	const char *end;
+	if (line == NULL)
+		return false;
+
+	end = line + strlen(line);
+	while (end > line) {
+		end--;
+		if (*end != '\n' && *end != '\r')
+			break;
+	}
+
+	if (*end == '\\')
+		return true;
+
+	return false;
+}
+
+static int
+lock_file(FILE *f)
+{
+	int ret;
+	ret = flock(fileno(f), LOCK_EX);
+	if (ret) 
+		xlog(L_ERROR, "Error could not lock the file");
+	return ret;
+}
+
+/***
+ * Write a value to an nfs.conf style filename
+ *
+ * create the file if it doesnt already exist
+ * if value==NULL removes the setting (if present)
+ */
+int
+conf_write(const char *filename, const char *section, const char *arg,
+	   const char *tag, const char *value)
+{
+	FILE *infile = NULL;
+	int ret = 1;
+	struct tailhead outqueue;
+	struct tailhead inqueue;
+	char * buff = NULL;
+	int buffsize = 0;
+	time_t now = time(NULL);
+
+	TAILQ_INIT(&inqueue);
+	TAILQ_INIT(&outqueue);
+
+	if (!filename) {
+		xlog_warn("conf_write: no filename supplied");
+		return ret;
+	}
+
+	if (!section || !tag) {
+		xlog_warn("conf_write: section or tag name missing");
+		return ret;
+	}
+
+	infile = fopen(filename, "r+");
+	if (!infile) {
+		if (!value) {
+			xlog_warn("conf_write: config file \"%s\" not found, nothing to do", filename);
+			ret = 0;
+			goto cleanup;
+		}
+
+		xlog_warn("conf_write: config file \"%s\" not found, creating.", filename);
+		infile = fopen(filename, "wx");
+		if (!infile) {
+			xlog(L_ERROR, "conf_write: Error creating config file \"%s\".", filename);
+			goto cleanup;
+		}
+
+		if (lock_file(infile))
+			goto cleanup;
+
+		if (strcmp(section, "#") == 0) {
+			if (append_line(&inqueue, NULL, make_comment(tag, value)))
+				goto cleanup;
+		} else {
+			if (append_line(&inqueue, NULL, make_section(section, arg)))
+				goto cleanup;
+
+			if (append_line(&inqueue, NULL, make_tagline(tag, value)))
+				goto cleanup;
+		}
+
+		append_queue(&inqueue, &outqueue);
+	} else 
+	if (strcmp(section, "#") == 0) {
+		/* Adding a comment line */
+		struct outbuffer *where = NULL;
+		struct outbuffer *next = NULL;
+		bool found = false;
+		int err = 0;
+
+		if (lock_file(infile))
+			goto cleanup;
+
+		buffsize = 4096;
+		buff = calloc(1, buffsize);
+		if (buff == NULL) {
+			xlog(L_ERROR, "malloc error for read buffer");
+			goto cleanup;
+		}
+		buff[0] = '\0';
+
+		/* read in the file */
+		do {
+			if (*buff != '\0' 
+			&& !is_taggedcomment(buff, "Modified")) {
+				if (append_line(&inqueue, NULL, strdup(buff)))
+					goto cleanup;
+			}
+
+			err = read_line(&buff, &buffsize, infile);
+		} while (err == 0);
+
+		/* if a tagged comment, look for an existing instance */
+		if (tag && *tag != '\0') {
+			where = TAILQ_FIRST(&inqueue);
+			while (where != NULL) {
+				next = TAILQ_NEXT(where, link);
+				struct outbuffer *prev = TAILQ_PREV(where, tailhead, link);
+				if (is_taggedcomment(where->text, tag)) {
+					TAILQ_REMOVE(&inqueue, where, link);
+					free(where->text);
+					free(where);
+					found = true;
+					if (append_line(&inqueue, prev, make_comment(tag, value)))
+						goto cleanup;
+				}
+				where = next;
+			}
+		}
+		/* it wasn't tagged or we didn't find it */
+		if (!found) {
+			/* does the file end in a blank line or a comment */
+			if (!TAILQ_EMPTY(&inqueue)) {
+				struct outbuffer *tail = TAILQ_LAST(&inqueue, tailhead);
+				if (tail && !is_empty(tail->text) && !is_comment(tail->text)) {
+					/* no, so add one for clarity */
+					if (append_line(&inqueue, NULL, strdup("\n")))
+						goto cleanup;
+				}
+			}
+			/* add the new comment line */
+			if (append_line(&inqueue, NULL, make_comment(tag, value)))
+				goto cleanup;
+		}
+		/* move everything over to the outqueue for writing */
+		append_queue(&inqueue, &outqueue);
+	} else {
+		bool found = false;
+		int err = 0;
+
+		if (lock_file(infile))
+			goto cleanup;
+
+		buffsize = 4096;
+		buff = calloc(1, buffsize);
+		if (buff == NULL) {
+			xlog(L_ERROR, "malloc error for read buffer");
+			goto cleanup;
+		}
+
+		buff[0] = '\0';
+		do {
+			struct outbuffer *where = NULL;
+
+			/* read in one section worth of lines */
+			do {
+				if (*buff != '\0' 
+				&& !is_taggedcomment(buff, "Modified")) {
+					if (append_line(&inqueue, NULL, strdup(buff)))
+						goto cleanup;
+				}
+
+				err = read_line(&buff, &buffsize, infile);
+			} while (err == 0 && buff[0] != '[');
+
+			/* find the section header */
+			where = TAILQ_FIRST(&inqueue);
+			while (where != NULL) {
+				if (where->text != NULL && where->text[0] == '[')
+					break;
+				where = TAILQ_NEXT(where, link);
+			}
+
+			/* this is the section we care about */
+			if (where != NULL && is_section(where->text, section, arg)) {
+				struct outbuffer *section_start = where;
+
+				/* is there an existing assignment */
+				while ((where = TAILQ_NEXT(where, link)) != NULL) {
+					if (is_tag(where->text, tag)) {
+						found = true;
+						break;
+					}
+				}
+
+				/* no active assignment, but is there a commented one */
+				if (!found) {
+					where = section_start;
+					while ((where = TAILQ_NEXT(where, link)) != NULL) {
+						if (is_comment(where->text)) {
+							char *cline = where->text;
+							while (isspace(*cline)) 
+								cline++;
+
+							if (*cline != '#') 
+								continue;
+							cline++;
+
+							if (is_tag(cline, tag)) {
+								found = true;
+								break;
+							}
+						}
+					}
+				}
+
+				/* replace the located tag with an updated one */
+				if (found) {
+					struct outbuffer *prev = TAILQ_PREV(where, tailhead, link);
+					bool again = false;
+
+					/* remove current tag */
+					do {
+						struct outbuffer *next = TAILQ_NEXT(where, link);
+						TAILQ_REMOVE(&inqueue, where, link);
+						if (is_folded(where->text))
+							again = true;
+						else
+							again = false;
+						free(where->text);
+						free(where);
+						where = next;
+					} while(again && where != NULL);
+
+					/* insert new tag */
+					if (value) {
+						if (append_line(&inqueue, prev, make_tagline(tag, value)))
+							goto cleanup;
+					}
+				} else
+				/* no existing assignment found and we need to add one */
+				if (value) {
+					/* rewind past blank lines and comments */
+					struct outbuffer *tail = TAILQ_LAST(&inqueue, tailhead);
+
+					/* comments immediately before a section usually relate
+					 * to the section below them */
+					while (tail != NULL && is_comment(tail->text))
+						tail = TAILQ_PREV(tail, tailhead, link);
+
+					/* there is usually blank line(s) between sections */
+					while (tail != NULL && is_empty(tail->text))
+						tail = TAILQ_PREV(tail, tailhead, link);
+
+					/* now add the tag here */
+					if (append_line(&inqueue, tail, make_tagline(tag, value)))
+						goto cleanup;
+
+					found = true;
+				}
+			}
+
+			/* EOF and correct section not found, so add one */
+			if (err && !found && value) {
+				/* did the last section end in a blank line */
+				struct outbuffer *tail = TAILQ_LAST(&inqueue, tailhead);
+				if (tail && !is_empty(tail->text)) {
+					/* no, so add one for clarity */
+					if (append_line(&inqueue, NULL, strdup("\n")))
+						goto cleanup;
+				}
+
+				/* add the new section header */
+				if (append_line(&inqueue, NULL, make_section(section, arg)))
+					goto cleanup;
+
+				/* now add the tag */
+				if (append_line(&inqueue, NULL, make_tagline(tag, value)))
+					goto cleanup;
+			}
+
+			/* we are done with this section, move it to the out queue */
+			append_queue(&inqueue, &outqueue);
+		} while(err == 0);
+	}
+
+	if (modified_by) {
+		/* check for and update the Modified header */
+		/* does the file end in a blank line or a comment */
+		if (!TAILQ_EMPTY(&outqueue)) {
+			struct outbuffer *tail = TAILQ_LAST(&outqueue, tailhead);
+			if (tail && !is_empty(tail->text) && !is_comment(tail->text)) {
+				/* no, so add one for clarity */
+				if (append_line(&outqueue, NULL, strdup("\n")))
+					goto cleanup;
+			}
+		}
+
+		/* now append the modified date comment */
+		if (append_line(&outqueue, NULL, make_timestamp("Modified", now)))
+			goto cleanup;
+	}
+
+	/* now rewind and overwrite the file with the updated data */
+	rewind(infile);
+
+	if (ftruncate(fileno(infile), 0)) {
+		xlog(L_ERROR, "Error truncating config file");
+		goto cleanup;
+	}
+
+	if (flush_outqueue(&outqueue, infile))
+		goto cleanup;
+
+	if (infile) {
+		fclose(infile);
+		infile = NULL;
+	}
+
+	ret = 0;
+
+cleanup:
+	flush_outqueue(&inqueue, NULL);
+	flush_outqueue(&outqueue, NULL);
+
+	if (buff)
+		free(buff);
+	if (infile)
+		fclose(infile);
+	return ret;
+}
diff --git a/support/nfs/exports.c b/support/nfs/exports.c
new file mode 100644
index 0000000..15dc574
--- /dev/null
+++ b/support/nfs/exports.c
@@ -0,0 +1,999 @@
+/*
+ * support/nfs/export.c
+ *
+ * Parse the exports file. Derived from the unfsd implementation.
+ *
+ * Authors:	Donald J. Becker, <becker@super.org>
+ *		Rick Sladkey, <jrs@world.std.com>
+ *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *		Olaf Kirch, <okir@monad.swb.de>
+ *		Alexander O. Yuriev, <alex@bach.cis.temple.edu>
+ *
+ *		This software maybe be used for any purpose provided
+ *		the above copyright notice is retained.  It is supplied
+ *		as is, with no warranty expressed or implied.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/param.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <errno.h>
+#include "nfslib.h"
+#include "exportfs.h"
+#include "xmalloc.h"
+#include "xlog.h"
+#include "xio.h"
+#include "pseudoflavors.h"
+#include "reexport.h"
+
+#define EXPORT_DEFAULT_FLAGS	\
+  (NFSEXP_READONLY|NFSEXP_ROOTSQUASH|NFSEXP_GATHERED_WRITES|NFSEXP_NOSUBTREECHECK)
+
+struct flav_info flav_map[] = {
+	{ "krb5",	RPC_AUTH_GSS_KRB5,	1},
+	{ "krb5i",	RPC_AUTH_GSS_KRB5I,	1},
+	{ "krb5p",	RPC_AUTH_GSS_KRB5P,	1},
+	{ "unix",	AUTH_UNIX,		0},
+	{ "sys",	AUTH_SYS,		0},
+	{ "null",	AUTH_NULL,		0},
+	{ "none",	AUTH_NONE,		0},
+};
+
+const int flav_map_size = sizeof(flav_map)/sizeof(flav_map[0]);
+
+int default_ttl = 30 * 60;
+
+static char	*efname = NULL;
+static XFILE	*efp = NULL;
+static int	first;
+static int	has_default_opts, has_default_subtree_opts;
+static int	*squids = NULL, nsquids = 0,
+		*sqgids = NULL, nsqgids = 0;
+
+static int	getexport(char *exp, int len);
+static int	getpath(char *path, int len);
+static int	parseopts(char *cp, struct exportent *ep, int warn, int *had_subtree_opt_ptr);
+static int	parsesquash(char *list, int **idp, int *lenp, char **ep);
+static int	parsenum(char **cpp);
+static void	freesquash(void);
+static void	syntaxerr(char *msg);
+static struct flav_info *find_flavor(char *name);
+
+void
+setexportent(char *fname, char *type)
+{
+	if (efp)
+		endexportent();
+	if (!fname)
+		fname = _PATH_EXPORTS;
+	if (!(efp = xfopen(fname, type)))
+		xlog(L_ERROR, "can't open %s for %sing",
+				fname, strcmp(type, "r")? "writ" : "read");
+	efname = strdup(fname);
+	first = 1;
+}
+
+static void init_exportent (struct exportent *ee, int fromkernel)
+{
+	ee->e_flags = EXPORT_DEFAULT_FLAGS;
+	/* some kernels assume the default is sync rather than
+	 * async.  More recent kernels always report one or other,
+	 * but this test makes sure we assume same as kernel
+	 * Ditto for wgather
+	 */
+	if (fromkernel) {
+		ee->e_flags &= ~NFSEXP_ASYNC;
+		ee->e_flags &= ~NFSEXP_GATHERED_WRITES;
+	}
+	ee->e_anonuid = 65534;
+	ee->e_anongid = 65534;
+	ee->e_squids = NULL;
+	ee->e_sqgids = NULL;
+	ee->e_mountpoint = NULL;
+	ee->e_fslocmethod = FSLOC_NONE;
+	ee->e_fslocdata = NULL;
+	ee->e_secinfo[0].flav = NULL;
+	ee->e_xprtsec[0].info = NULL;
+	ee->e_nsquids = 0;
+	ee->e_nsqgids = 0;
+	ee->e_uuid = NULL;
+	ee->e_ttl = default_ttl;
+	ee->e_reexport = REEXP_NONE;
+}
+
+struct exportent *
+getexportent(int fromkernel, int fromexports)
+{
+	static struct exportent	ee, def_ee;
+	char		exp[512], *hostname;
+	char		rpath[MAXPATHLEN+1];
+	char		*opt, *sp;
+	int		ok;
+
+	if (!efp)
+		return NULL;
+
+	freesquash();
+
+	if (first || (ok = getexport(exp, sizeof(exp))) == 0) {
+		has_default_opts = 0;
+		has_default_subtree_opts = 0;
+
+		init_exportent(&def_ee, fromkernel);
+
+		ok = getpath(def_ee.e_path, sizeof(def_ee.e_path));
+		if (ok <= 0)
+			return NULL;
+
+		ok = getexport(exp, sizeof(exp));
+	}
+	if (ok < 0) {
+		xlog(L_ERROR, "expected client(options...)");
+		return NULL;
+	}
+	first = 0;
+
+	/*
+	 * Check for default options.  The kernel will never have default
+	 * options in /proc/fs/nfs/exports, however due to the initial '-' in
+	 * the -test-client- string from the test export we have to check that
+	 * we're not reading from the kernel.
+	 */
+	if (exp[0] == '-' && !fromkernel) {
+		if (parseopts(exp + 1, &def_ee, 0, &has_default_subtree_opts) < 0)
+			return NULL;
+
+		has_default_opts = 1;
+
+		ok = getexport(exp, sizeof(exp));
+		if (ok < 0) {
+			xlog(L_ERROR, "expected client(options...)");
+			return NULL;
+		}
+	}
+
+	xfree(ee.e_hostname);
+	xfree(ee.e_realpath);
+	ee = def_ee;
+
+	/* Check for default client */
+	if (ok == 0)
+		exp[0] = '\0';
+
+	hostname = exp;
+	if ((opt = strchr(exp, '(')) != NULL) {
+		if (opt == exp) {
+			xlog(L_WARNING, "No host name given with %s %s, suggest *%s to avoid warning", ee.e_path, exp, exp);
+			hostname = "*";
+		}
+		*opt++ = '\0';
+		if (!(sp = strchr(opt, ')')) || sp[1] != '\0') {
+			syntaxerr("bad option list");
+			return NULL;
+		}
+		*sp = '\0';
+	} else {
+		if (!has_default_opts)
+			xlog(L_WARNING, "No options for %s %s: suggest %s(sync) to avoid warning", ee.e_path, exp, exp);
+	}
+	ee.e_hostname = xstrdup(hostname);
+
+	if (parseopts(opt, &ee, fromexports && !has_default_subtree_opts, NULL) < 0) {
+                if(ee.e_hostname)
+                {
+                    xfree(ee.e_hostname);
+                    ee.e_hostname=NULL;
+                }
+                if(ee.e_uuid)
+                {
+                    xfree(ee.e_uuid);
+                    ee.e_uuid=NULL;
+                }
+
+		return NULL;
+        }
+	/* resolve symlinks */
+	if (realpath(ee.e_path, rpath) != NULL) {
+		rpath[sizeof (rpath) - 1] = '\0';
+		strncpy(ee.e_path, rpath, sizeof (ee.e_path) - 1);
+		ee.e_path[sizeof (ee.e_path) - 1] = '\0';
+	}
+
+	return &ee;
+}
+
+static const struct secinfo_flag_displaymap {
+	unsigned int flag;
+	const char *set;
+	const char *unset;
+} secinfo_flag_displaymap[] = {
+	{ NFSEXP_READONLY, "ro", "rw" },
+	{ NFSEXP_INSECURE_PORT, "insecure", "secure" },
+	{ NFSEXP_ROOTSQUASH, "root_squash", "no_root_squash" },
+	{ NFSEXP_ALLSQUASH, "all_squash", "no_all_squash" },
+	{ 0, NULL, NULL }
+};
+
+static void secinfo_flags_show(FILE *fp, unsigned int flags, unsigned int mask)
+{
+	const struct secinfo_flag_displaymap *p;
+
+	for (p = &secinfo_flag_displaymap[0]; p->flag != 0; p++) {
+		if (!(mask & p->flag))
+			continue;
+		fprintf(fp, ",%s", (flags & p->flag) ? p->set : p->unset);
+	}
+}
+
+void secinfo_show(FILE *fp, struct exportent *ep)
+{
+	const struct export_features *ef;
+	struct sec_entry *p1, *p2;
+
+	ef = get_export_features();
+
+	if (ep->e_secinfo[0].flav == NULL)
+		secinfo_addflavor(find_flavor("sys"), ep);
+	for (p1=ep->e_secinfo; p1->flav; p1=p2) {
+		fprintf(fp, ",sec=%s", p1->flav->flavour);
+		for (p2=p1+1; (p2->flav != NULL) && (p1->flags == p2->flags);
+								p2++) {
+			fprintf(fp, ":%s", p2->flav->flavour);
+		}
+		secinfo_flags_show(fp, p1->flags, ef->secinfo_flags);
+	}
+}
+
+void xprtsecinfo_show(FILE *fp, struct exportent *ep)
+{
+	struct xprtsec_entry *p1, *p2;
+
+	for (p1 = ep->e_xprtsec; p1->info; p1 = p2) {
+		fprintf(fp, ",xprtsec=%s", p1->info->name);
+		for (p2 = p1 + 1; p2->info && (p1->flags == p2->flags); p2++)
+			fprintf(fp, ":%s", p2->info->name);
+	}
+}
+
+static void
+fprintpath(FILE *fp, const char *path)
+{
+	int i;
+	for (i=0; path[i]; i++)
+		if (iscntrl(path[i]) || path[i] == '"' || path[i] == '\\' || path[i] == '#' || isspace(path[i]))
+			fprintf(fp, "\\%03o", path[i]);
+		else
+			fprintf(fp, "%c", path[i]);
+}
+
+void
+putexportent(struct exportent *ep)
+{
+	FILE	*fp;
+	int	*id, i;
+
+	if (!efp)
+		return;
+
+	fp = efp->x_fp;
+	fprintpath(fp, ep->e_path);
+	fprintf(fp, "\t%s(", ep->e_hostname);
+	fprintf(fp, "%s,", (ep->e_flags & NFSEXP_READONLY)? "ro" : "rw");
+	fprintf(fp, "%ssync,", (ep->e_flags & NFSEXP_ASYNC)? "a" : "");
+	fprintf(fp, "%swdelay,", (ep->e_flags & NFSEXP_GATHERED_WRITES)?
+				"" : "no_");
+	fprintf(fp, "%shide,", (ep->e_flags & NFSEXP_NOHIDE)?
+				"no" : "");
+	fprintf(fp, "%scrossmnt,", (ep->e_flags & NFSEXP_CROSSMOUNT)?
+				"" : "no");
+	fprintf(fp, "%ssecure,", (ep->e_flags & NFSEXP_INSECURE_PORT)?
+				"in" : "");
+	fprintf(fp, "%sroot_squash,", (ep->e_flags & NFSEXP_ROOTSQUASH)?
+				"" : "no_");
+	fprintf(fp, "%sall_squash,", (ep->e_flags & NFSEXP_ALLSQUASH)?
+				"" : "no_");
+	fprintf(fp, "%ssubtree_check,", (ep->e_flags & NFSEXP_NOSUBTREECHECK)?
+		"no_" : "");
+	fprintf(fp, "%ssecure_locks,", (ep->e_flags & NFSEXP_NOAUTHNLM)?
+		"in" : "");
+	fprintf(fp, "%sacl,", (ep->e_flags & NFSEXP_NOACL)?
+		"no_" : "");
+	if (ep->e_flags & NFSEXP_NOREADDIRPLUS)
+		fprintf(fp, "nordirplus,");
+	if (ep->e_flags & NFSEXP_SECURITY_LABEL)
+		fprintf(fp, "security_label,");
+	fprintf(fp, "%spnfs,", (ep->e_flags & NFSEXP_PNFS)? "" : "no_");
+	if (ep->e_flags & NFSEXP_FSID) {
+		fprintf(fp, "fsid=%d,", ep->e_fsid);
+	}
+	if (ep->e_uuid)
+		fprintf(fp, "fsid=%s,", ep->e_uuid);
+
+	if (ep->e_reexport) {
+		fprintf(fp, "reexport=");
+		switch (ep->e_reexport) {
+			case REEXP_AUTO_FSIDNUM:
+				fprintf(fp, "auto-fsidnum");
+				break;
+			case REEXP_PREDEFINED_FSIDNUM:
+				fprintf(fp, "predefined-fsidnum");
+				break;
+			default:
+				xlog(L_ERROR, "unknown reexport method %i", ep->e_reexport);
+				fprintf(fp, "none");
+		}
+		fprintf(fp, ",");
+	}
+
+	if (ep->e_mountpoint)
+		fprintf(fp, "mountpoint%s%s,",
+			ep->e_mountpoint[0]?"=":"", ep->e_mountpoint);
+	switch (ep->e_fslocmethod) {
+	case FSLOC_NONE:
+		break;
+	case FSLOC_REFER:
+		fprintf(fp, "refer=");
+		fprintpath(fp, ep->e_fslocdata);
+		fprintf(fp, ",");
+		break;
+	case FSLOC_REPLICA:
+		fprintf(fp, "replicas=");
+		fprintpath(fp, ep->e_fslocdata);
+		fprintf(fp, ",");
+		break;
+#ifdef DEBUG
+	case FSLOC_STUB:
+		fprintf(fp, "fsloc=stub,");
+		break;
+#endif
+	default:
+		xlog(L_ERROR, "unknown fsloc method for %s:%s",
+		     ep->e_hostname, ep->e_path);
+	}
+	if ((id = ep->e_squids) != NULL) {
+		fprintf(fp, "squash_uids=");
+		for (i = 0; i < ep->e_nsquids; i += 2)
+			if (id[i] != id[i+1])
+				fprintf(fp, "%d-%d,", id[i], id[i+1]);
+			else
+				fprintf(fp, "%d,", id[i]);
+	}
+	if ((id = ep->e_sqgids) != NULL) {
+		fprintf(fp, "squash_gids=");
+		for (i = 0; i < ep->e_nsquids; i += 2)
+			if (id[i] != id[i+1])
+				fprintf(fp, "%d-%d,", id[i], id[i+1]);
+			else
+				fprintf(fp, "%d,", id[i]);
+	}
+	fprintf(fp, "anonuid=%d,anongid=%d", ep->e_anonuid, ep->e_anongid);
+	secinfo_show(fp, ep);
+	xprtsecinfo_show(fp, ep);
+	fprintf(fp, ")\n");
+}
+
+void
+endexportent(void)
+{
+	if (efp)
+		xfclose(efp);
+	efp = NULL;
+	if (efname)
+		free(efname);
+	efname = NULL;
+	freesquash();
+}
+
+void
+dupexportent(struct exportent *dst, struct exportent *src)
+{
+	int	n;
+
+	*dst = *src;
+	if ((n = src->e_nsquids) != 0) {
+		dst->e_squids = (int *) xmalloc(n * sizeof(int));
+		memcpy(dst->e_squids, src->e_squids, n * sizeof(int));
+	}
+	if ((n = src->e_nsqgids) != 0) {
+		dst->e_sqgids = (int *) xmalloc(n * sizeof(int));
+		memcpy(dst->e_sqgids, src->e_sqgids, n * sizeof(int));
+	}
+	if (src->e_mountpoint)
+		dst->e_mountpoint = strdup(src->e_mountpoint);
+	if (src->e_fslocdata)
+		dst->e_fslocdata = strdup(src->e_fslocdata);
+	if (src->e_uuid)
+		dst->e_uuid = strdup(src->e_uuid);
+	dst->e_hostname = NULL;
+	dst->e_realpath = NULL;
+}
+
+struct exportent *
+mkexportent(char *hname, char *path, char *options)
+{
+	static struct exportent	ee;
+
+	init_exportent(&ee, 0);
+
+	xfree(ee.e_hostname);
+	ee.e_hostname = xstrdup(hname);
+	xfree(ee.e_realpath);
+	ee.e_realpath = NULL;
+
+	if (strlen(path) >= sizeof(ee.e_path)) {
+		xlog(L_ERROR, "path name %s too long", path);
+		return NULL;
+	}
+	strncpy(ee.e_path, path, sizeof (ee.e_path));
+	ee.e_path[sizeof (ee.e_path) - 1] = '\0';
+	if (parseopts(options, &ee, 0, NULL) < 0)
+		return NULL;
+	return &ee;
+}
+
+int
+updateexportent(struct exportent *eep, char *options)
+{
+	if (parseopts(options, eep, 0, NULL) < 0)
+		return 0;
+	return 1;
+}
+
+
+static int valid_uuid(char *uuid)
+{
+	/* must have 32 hex digits */
+	int cnt;
+	for (cnt = 0 ; *uuid; uuid++)
+		if (isxdigit(*uuid))
+			cnt++;
+	return cnt == 32;
+}
+
+/*
+ * Append the given flavor to the exportent's e_secinfo array, or
+ * do nothing if it's already there.  Returns the index of flavor
+ * in the resulting array in any case.
+ */
+int secinfo_addflavor(struct flav_info *flav, struct exportent *ep)
+{
+	struct sec_entry *p;
+
+	for (p=ep->e_secinfo; p->flav; p++) {
+		if (p->flav == flav || p->flav->fnum == flav->fnum)
+			return p - ep->e_secinfo;
+	}
+	if (p - ep->e_secinfo >= SECFLAVOR_COUNT) {
+		xlog(L_ERROR, "more than %d security flavors on an export\n",
+			SECFLAVOR_COUNT);
+		return -1;
+	}
+	p->flav = flav;
+	p->flags = ep->e_flags;
+	(p+1)->flav = NULL;
+	return p - ep->e_secinfo;
+}
+
+static struct flav_info *find_flavor(char *name)
+{
+	struct flav_info *flav;
+	for (flav = flav_map; flav < flav_map + flav_map_size; flav++)
+		if (strcmp(flav->flavour, name) == 0)
+			return flav;
+	return NULL;
+}
+
+/* @str is a colon seperated list of security flavors.  Their order
+ * is recorded in @ep, and a bitmap corresponding to the list is returned.
+ * A zero return indicates an error.
+ */
+static unsigned int parse_flavors(char *str, struct exportent *ep)
+{
+	unsigned int out=0;
+	char *flavor;
+	int bit;
+
+	while ( (flavor=strsep(&str, ":")) ) {
+		struct flav_info *flav = find_flavor(flavor);
+		if (flav == NULL) {
+			xlog(L_ERROR, "unknown flavor %s\n", flavor);
+			return 0;
+		}
+		bit = secinfo_addflavor(flav, ep);
+		if (bit < 0)
+			return 0;
+		out |= 1<<bit;
+	}
+	return out;
+}
+
+static const struct xprtsec_info xprtsec_name2info[] = {
+	{ "none",	NFSEXP_XPRTSEC_NONE },
+	{ "tls",	NFSEXP_XPRTSEC_TLS },
+	{ "mtls",	NFSEXP_XPRTSEC_MTLS },
+	{ NULL,		0 }
+};
+
+static const struct xprtsec_info *find_xprtsec_info(const char *name)
+{
+	const struct xprtsec_info *info;
+
+	for (info = xprtsec_name2info; info->name; info++)
+		if (strcmp(info->name, name) == 0)
+			return info;
+	return NULL;
+}
+
+/*
+ * Append the given xprtsec mode to the exportent's e_xprtsec array,
+ * or do nothing if it's already there. Returns the index of flavor in
+ * the resulting array in any case.
+ */
+static int xprtsec_addmode(const struct xprtsec_info *info, struct exportent *ep)
+{
+	struct xprtsec_entry *p;
+
+	for (p = ep->e_xprtsec; p->info; p++)
+		if (p->info == info || p->info->number == info->number)
+			return p - ep->e_xprtsec;
+
+	if (p - ep->e_xprtsec >= XPRTSECMODE_COUNT) {
+		xlog(L_ERROR, "more than %d xprtsec modes on an export\n",
+			XPRTSECMODE_COUNT);
+		return -1;
+	}
+	p->info = info;
+	p->flags = ep->e_flags;
+	(p + 1)->info = NULL;
+	return p - ep->e_xprtsec;
+}
+
+/*
+ * @str is a colon seperated list of transport layer security modes.
+ * Their order is recorded in @ep, and a bitmap corresponding to the
+ * list is returned.
+ *
+ * A zero return indicates an error.
+ */
+static unsigned int parse_xprtsec(char *str, struct exportent *ep)
+{
+	unsigned int out = 0;
+	char *name;
+
+	while ((name = strsep(&str, ":"))) {
+		const struct xprtsec_info *info = find_xprtsec_info(name);
+		int bit;
+
+		if (!info) {
+			xlog(L_ERROR, "unknown xprtsec mode %s\n", name);
+			return 0;
+		}
+		bit = xprtsec_addmode(info, ep);
+		if (bit < 0)
+			return 0;
+		out |= 1 << bit;
+	}
+	return out;
+}
+
+/* Sets the bits in @mask for the appropriate security flavor flags. */
+static void setflags(int mask, unsigned int active, struct exportent *ep)
+{
+	int bit=0;
+
+	ep->e_flags |= mask;
+
+	while (active) {
+		if (active & 1)
+			ep->e_secinfo[bit].flags |= mask;
+		bit++;
+		active >>= 1;
+	}
+}
+
+/* Clears the bits in @mask for the appropriate security flavor flags. */
+static void clearflags(int mask, unsigned int active, struct exportent *ep)
+{
+	int bit=0;
+
+	ep->e_flags &= ~mask;
+
+	while (active) {
+		if (active & 1)
+			ep->e_secinfo[bit].flags &= ~mask;
+		bit++;
+		active >>= 1;
+	}
+}
+
+/*
+ * For those flags which are not allowed to vary by pseudoflavor,
+ * ensure that the export flags agree with the flags on each
+ * pseudoflavor:
+ */
+void fix_pseudoflavor_flags(struct exportent *ep)
+{
+	struct export_features *ef;
+	struct sec_entry *p;
+
+	ef = get_export_features();
+	for (p = ep->e_secinfo; p->flav; p++)
+		p->flags |= ep->e_flags & ~ef->secinfo_flags;
+}
+
+/*
+ * Parse option string pointed to by cp and set mount options accordingly.
+ */
+static int
+parseopts(char *cp, struct exportent *ep, int warn, int *had_subtree_opt_ptr)
+{
+	int	had_subtree_opt = 0;
+	char 	*flname = efname?efname:"command line";
+	int	flline = efp?efp->x_line:0;
+	unsigned int active = 0;
+	int saw_reexport = 0;
+
+	squids = ep->e_squids; nsquids = ep->e_nsquids;
+	sqgids = ep->e_sqgids; nsqgids = ep->e_nsqgids;
+	if (!cp)
+		goto out;
+
+	while (isblank(*cp))
+		cp++;
+
+	while (*cp) {
+		char *opt = strdup(cp);
+		char *optstart = cp;
+		while (*cp && *cp != ',')
+			cp++;
+		if (*cp) {
+			opt[cp-optstart] = '\0';
+			cp++;
+		}
+
+		/* process keyword */
+		if (strcmp(opt, "ro") == 0)
+			setflags(NFSEXP_READONLY, active, ep);
+		else if (strcmp(opt, "rw") == 0)
+			clearflags(NFSEXP_READONLY, active, ep);
+		else if (!strcmp(opt, "secure"))
+			clearflags(NFSEXP_INSECURE_PORT, active, ep);
+		else if (!strcmp(opt, "insecure"))
+			setflags(NFSEXP_INSECURE_PORT, active, ep);
+		else if (!strcmp(opt, "sync"))
+			clearflags(NFSEXP_ASYNC, active, ep);
+		else if (!strcmp(opt, "async"))
+			setflags(NFSEXP_ASYNC, active, ep);
+		else if (!strcmp(opt, "nordirplus"))
+			setflags(NFSEXP_NOREADDIRPLUS, active, ep);
+		else if (!strcmp(opt, "security_label"))
+			setflags(NFSEXP_SECURITY_LABEL, active, ep);
+		else if (!strcmp(opt, "nohide"))
+			setflags(NFSEXP_NOHIDE, active, ep);
+		else if (!strcmp(opt, "hide"))
+			clearflags(NFSEXP_NOHIDE, active, ep);
+		else if (!strcmp(opt, "crossmnt"))
+			setflags(NFSEXP_CROSSMOUNT, active, ep);
+		else if (!strcmp(opt, "nocrossmnt"))
+			clearflags(NFSEXP_CROSSMOUNT, active, ep);
+		else if (!strcmp(opt, "wdelay"))
+			setflags(NFSEXP_GATHERED_WRITES, active, ep);
+		else if (!strcmp(opt, "no_wdelay"))
+			clearflags(NFSEXP_GATHERED_WRITES, active, ep);
+		else if (strcmp(opt, "root_squash") == 0)
+			setflags(NFSEXP_ROOTSQUASH, active, ep);
+		else if (!strcmp(opt, "no_root_squash"))
+			clearflags(NFSEXP_ROOTSQUASH, active, ep);
+		else if (strcmp(opt, "all_squash") == 0)
+			setflags(NFSEXP_ALLSQUASH, active, ep);
+		else if (strcmp(opt, "no_all_squash") == 0)
+			clearflags(NFSEXP_ALLSQUASH, active, ep);
+		else if (strcmp(opt, "subtree_check") == 0) {
+			had_subtree_opt = 1;
+			clearflags(NFSEXP_NOSUBTREECHECK, active, ep);
+		} else if (strcmp(opt, "no_subtree_check") == 0) {
+			had_subtree_opt = 1;
+			setflags(NFSEXP_NOSUBTREECHECK, active, ep);
+		} else if (strcmp(opt, "auth_nlm") == 0)
+			clearflags(NFSEXP_NOAUTHNLM, active, ep);
+		else if (strcmp(opt, "no_auth_nlm") == 0)
+			setflags(NFSEXP_NOAUTHNLM, active, ep);
+		else if (strcmp(opt, "secure_locks") == 0)
+			clearflags(NFSEXP_NOAUTHNLM, active, ep);
+		else if (strcmp(opt, "insecure_locks") == 0)
+			setflags(NFSEXP_NOAUTHNLM, active, ep);
+		else if (strcmp(opt, "acl") == 0)
+			clearflags(NFSEXP_NOACL, active, ep);
+		else if (strcmp(opt, "no_acl") == 0)
+			setflags(NFSEXP_NOACL, active, ep);
+		else if (!strcmp(opt, "pnfs"))
+			setflags(NFSEXP_PNFS, active, ep);
+		else if (!strcmp(opt, "no_pnfs"))
+			clearflags(NFSEXP_PNFS, active, ep);
+		else if (strncmp(opt, "anonuid=", 8) == 0) {
+			char *oe;
+			ep->e_anonuid = strtol(opt+8, &oe, 10);
+			if (opt[8]=='\0' || *oe != '\0') {
+				xlog(L_ERROR, "%s: %d: bad anonuid \"%s\"\n",
+				     flname, flline, opt);
+bad_option:
+				free(opt);
+				return -1;
+			}
+		} else if (strncmp(opt, "anongid=", 8) == 0) {
+			char *oe;
+			ep->e_anongid = strtol(opt+8, &oe, 10);
+			if (opt[8]=='\0' || *oe != '\0') {
+				xlog(L_ERROR, "%s: %d: bad anongid \"%s\"\n",
+				     flname, flline, opt);
+				goto bad_option;
+			}
+		} else if (strncmp(opt, "squash_uids=", 12) == 0) {
+			if (parsesquash(opt+12, &squids, &nsquids, &cp) < 0) {
+				goto bad_option;
+			}
+		} else if (strncmp(opt, "squash_gids=", 12) == 0) {
+			if (parsesquash(opt+12, &sqgids, &nsqgids, &cp) < 0) {
+				goto bad_option;
+			}
+		} else if (strncmp(opt, "fsid=", 5) == 0) {
+			char *oe;
+
+			if (saw_reexport) {
+				xlog(L_ERROR, "%s:%d: 'fsid=' has to be before 'reexport=' %s\n",
+				     flname, flline, opt);
+				goto bad_option;
+			}
+
+			if (strcmp(opt+5, "root") == 0) {
+				ep->e_fsid = 0;
+				setflags(NFSEXP_FSID, active, ep);
+			} else {
+				ep->e_fsid = strtoul(opt+5, &oe, 0);
+				if (opt[5]!='\0' && *oe == '\0')
+					setflags(NFSEXP_FSID, active, ep);
+				else if (valid_uuid(opt+5))
+					ep->e_uuid = strdup(opt+5);
+				else {
+					xlog(L_ERROR, "%s: %d: bad fsid \"%s\"\n",
+					     flname, flline, opt);
+					goto bad_option;
+				}
+			}
+		} else if (strcmp(opt, "mountpoint")==0 ||
+			   strcmp(opt, "mp") == 0 ||
+			   strncmp(opt, "mountpoint=", 11)==0 ||
+			   strncmp(opt, "mp=", 3) == 0) {
+			char * mp = strchr(opt, '=');
+			if (mp)
+				ep->e_mountpoint = strdup(mp+1);
+			else
+				ep->e_mountpoint = strdup("");
+#ifdef DEBUG
+		} else if (strncmp(opt, "fsloc=", 6) == 0) {
+			if (strcmp(opt+6, "stub") == 0)
+				ep->e_fslocmethod = FSLOC_STUB;
+			else {
+				xlog(L_ERROR, "%s:%d: bad option %s\n",
+				     flname, flline, opt);
+				goto bad_option;
+			}
+#endif
+		} else if (strncmp(opt, "refer=", 6) == 0) {
+			ep->e_fslocmethod = FSLOC_REFER;
+			ep->e_fslocdata = strdup(opt+6);
+		} else if (strncmp(opt, "replicas=", 9) == 0) {
+			ep->e_fslocmethod = FSLOC_REPLICA;
+			ep->e_fslocdata = strdup(opt+9);
+		} else if (strncmp(opt, "sec=", 4) == 0) {
+			active = parse_flavors(opt+4, ep);
+			if (!active)
+				goto bad_option;
+		} else if (strncmp(opt, "xprtsec=", 8) == 0) {
+			if (!parse_xprtsec(opt + 8, ep))
+				goto bad_option;
+		} else if (strncmp(opt, "reexport=", 9) == 0) {
+			char *strategy = strchr(opt, '=');
+
+			if (!strategy) {
+				xlog(L_ERROR, "%s:%d: bad option %s\n",
+				     flname, flline, opt);
+				goto bad_option;
+			}
+			strategy++;
+
+			if (saw_reexport) {
+				xlog(L_ERROR, "%s:%d: only one 'reexport=' is allowed%s\n",
+				     flname, flline, opt);
+				goto bad_option;
+			}
+
+			if (strcmp(strategy, "auto-fsidnum") == 0) {
+				ep->e_reexport = REEXP_AUTO_FSIDNUM;
+			} else if (strcmp(strategy, "predefined-fsidnum") == 0) {
+				ep->e_reexport = REEXP_PREDEFINED_FSIDNUM;
+			} else if (strcmp(strategy, "none") == 0) {
+				ep->e_reexport = REEXP_NONE;
+			} else {
+				xlog(L_ERROR, "%s:%d: bad option %s\n",
+				     flname, flline, strategy);
+				goto bad_option;
+			}
+
+			if (reexpdb_apply_reexport_settings(ep, flname, flline) != 0)
+				goto bad_option;
+
+			if (ep->e_fsid)
+				setflags(NFSEXP_FSID, active, ep);
+
+			saw_reexport = 1;
+		} else {
+			xlog(L_ERROR, "%s:%d: unknown keyword \"%s\"\n",
+					flname, flline, opt);
+			setflags(NFSEXP_ALLSQUASH | NFSEXP_READONLY, active, ep);
+			goto bad_option;
+		}
+		free(opt);
+		while (isblank(*cp))
+			cp++;
+	}
+
+	fix_pseudoflavor_flags(ep);
+	ep->e_squids = squids;
+	ep->e_sqgids = sqgids;
+	ep->e_nsquids = nsquids;
+	ep->e_nsqgids = nsqgids;
+
+out:
+	if (warn && !had_subtree_opt)
+		xlog(L_WARNING, "%s [%d]: Neither 'subtree_check' or 'no_subtree_check' specified for export \"%s:%s\".\n"
+				"  Assuming default behaviour ('no_subtree_check').\n"
+				"  NOTE: this default has changed since nfs-utils version 1.0.x\n",
+
+				flname, flline,
+				ep->e_hostname, ep->e_path);
+	if (had_subtree_opt_ptr)
+		*had_subtree_opt_ptr = had_subtree_opt;
+
+	return 1;
+}
+
+static int
+parsesquash(char *list, int **idp, int *lenp, char **ep)
+{
+	char	*cp = list;
+	int	id0, id1;
+	int	len = *lenp;
+	int	*id = *idp;
+
+	if (**ep)
+	    *--(*ep) = ',';
+
+	do {
+		id0 = parsenum(&cp);
+		if (*cp == '-') {
+			cp++;
+			id1 = parsenum(&cp);
+		} else {
+			id1 = id0;
+		}
+		if (id0 == -1 || id1 == -1) {
+			syntaxerr("uid/gid -1 not permitted");
+			xfree(id);
+			return -1;
+		}
+		if ((len % 8) == 0)
+			id = (int *) xrealloc(id, (len + 8) * sizeof(*id));
+		id[len++] = id0;
+		id[len++] = id1;
+		if (!*cp || *cp == ')' || (*cp == ',' && !isdigit(cp[1])))
+			break;
+		if (*cp != ',') {
+			syntaxerr("bad uid/gid list");
+			xfree(id);
+			return -1;
+		}
+		cp++;
+	} while(1);
+
+	if (**ep == ',') (*ep)++;
+
+	*lenp = len;
+	*idp = id;
+	return 1;
+}
+
+static void
+freesquash(void)
+{
+	if (squids) {
+		xfree (squids);
+		squids = NULL;
+		nsquids = 0;
+	}
+	if (sqgids) {
+		xfree (sqgids);
+		sqgids = NULL;
+		nsqgids = 0;
+	}
+}
+
+static int
+parsenum(char **cpp)
+{
+	char	*cp = *cpp, c;
+	int	num = 0;
+
+	if (**cpp == '-')
+		(*cpp)++;
+	while (isdigit(**cpp))
+		(*cpp)++;
+	c = **cpp; **cpp = '\0'; num = atoi(cp); **cpp = c;
+	return num;
+}
+
+static int
+getpath(char *path, int len)
+{
+	xskip(efp, " \t\n");
+	return xgettok(efp, 0, path, len);
+}
+
+static int
+getexport(char *exp, int len)
+{
+	int	ok;
+
+	xskip(efp, " \t");
+	if ((ok = xgettok(efp, 0, exp, len)) < 0)
+		xlog(L_ERROR, "%s:%d: syntax error",
+			efname?"command line":efname, efp->x_line);
+	return ok;
+}
+
+static void
+syntaxerr(char *msg)
+{
+	xlog(L_ERROR, "%s:%d: syntax error: %s",
+			efname, efp?efp->x_line:0, msg);
+}
+struct export_features *get_export_features(void)
+{
+	static char *path = "/proc/fs/nfsd/export_features";
+	static struct export_features ef;
+	static int cached = 0;
+	char buf[50];
+	int c;
+	int fd;
+
+	if (cached)
+		return &ef;
+
+	ef.flags = NFSEXP_OLDFLAGS;
+	ef.secinfo_flags = NFSEXP_OLD_SECINFO_FLAGS;
+
+	fd = open(path, O_RDONLY);
+	if (fd == -1)
+		goto good;
+	c = read(fd, buf, 50);
+	close(fd);
+	if (c == -1)
+		goto err;
+	buf[c] = 0;
+	c = sscanf(buf, "%x %x", &ef.flags, &ef.secinfo_flags);
+	if (c != 2)
+		goto err;
+good:
+	cached = 1;
+	return &ef;
+err:
+	xlog(L_WARNING, "unexpected error reading %s", path);
+	return &ef;
+}
diff --git a/support/nfs/getport.c b/support/nfs/getport.c
new file mode 100644
index 0000000..813f7bf
--- /dev/null
+++ b/support/nfs/getport.c
@@ -0,0 +1,1127 @@
+/*
+ * Provide a variety of APIs that query an rpcbind daemon to
+ * discover RPC service ports and allowed protocol version
+ * numbers.
+ *
+ * Copyright (C) 2008 Oracle Corporation.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+
+#ifdef HAVE_LIBTIRPC
+#include <netconfig.h>
+#include <rpc/rpcb_prot.h>
+#endif
+
+#include "sockaddr.h"
+#include "nfsrpc.h"
+#include "nfslib.h"
+
+/*
+ * Try a local socket first to access the local rpcbind daemon
+ *
+ * Rpcbind's local socket service does not seem to be working.
+ * Disable this logic for now.
+ */
+#ifdef HAVE_LIBTIRPC
+#undef NFS_GP_LOCAL
+#else	/* !HAVE_LIBTIRPC */
+#undef NFS_GP_LOCAL
+#endif	/* !HAVE_LIBTIRPC */
+
+#ifdef HAVE_LIBTIRPC
+static const rpcvers_t default_rpcb_version = RPCBVERS_4;
+#else	/* !HAVE_LIBTIRPC */
+static const rpcvers_t default_rpcb_version = PMAPVERS;
+#endif	/* !HAVE_LIBTIRPC */
+
+/*
+ * Historical: Map TCP connect timeouts to timeout
+ * error code used by UDP.
+ */
+static void
+nfs_gp_map_tcp_errorcodes(const unsigned short protocol)
+{
+	if (protocol != IPPROTO_TCP)
+		return;
+
+	switch (rpc_createerr.cf_error.re_errno) {
+	case ETIMEDOUT:
+		rpc_createerr.cf_stat = RPC_TIMEDOUT;
+		break;
+	case ECONNREFUSED:
+		rpc_createerr.cf_stat = RPC_CANTRECV;
+		break;
+	}
+}
+
+/*
+ * There's no easy way to tell how the local system's networking
+ * and rpcbind is configured (ie. whether we want to use IPv6 or
+ * IPv4 loopback to contact RPC services on the local host).  We
+ * punt and simply try to look up "localhost".
+ *
+ * Returns TRUE on success.
+ */
+static int nfs_gp_loopback_address(struct sockaddr *sap, socklen_t *salen)
+{
+	struct addrinfo *gai_results;
+	int ret = 0;
+
+	if (getaddrinfo("localhost", NULL, NULL, &gai_results))
+		return 0;
+
+	if (*salen >= gai_results->ai_addrlen) {
+		memcpy(sap, gai_results->ai_addr,
+				gai_results->ai_addrlen);
+		*salen = gai_results->ai_addrlen;
+		ret = 1;
+	}
+
+	nfs_freeaddrinfo(gai_results);
+	return ret;
+}
+
+/*
+ * Look up a network service in /etc/services and return the
+ * network-order port number of that service.
+ */
+static in_port_t nfs_gp_getservbyname(const char *service,
+				      const unsigned short protocol)
+{
+	const struct addrinfo gai_hint = {
+		.ai_family	= AF_INET,
+		.ai_protocol	= protocol,
+		.ai_flags	= AI_PASSIVE,
+	};
+	struct addrinfo *gai_results;
+	const struct sockaddr_in *sin;
+	in_port_t port;
+
+	if (getaddrinfo(NULL, service, &gai_hint, &gai_results) != 0)
+		return 0;
+
+	sin = (const struct sockaddr_in *)gai_results->ai_addr;
+	port = sin->sin_port;
+
+	nfs_freeaddrinfo(gai_results);
+	return port;
+}
+
+/*
+ * Discover the port number that should be used to contact an
+ * rpcbind service.  This will detect if the port has a local
+ * value that may have been set in /etc/services.
+ *
+ * Returns network byte-order port number of rpcbind service
+ * on this system.
+ */
+static in_port_t nfs_gp_get_rpcb_port(const unsigned short protocol)
+{
+	static const char *rpcb_netnametbl[] = {
+		"rpcbind",
+		"portmapper",
+		"sunrpc",
+		NULL,
+	};
+	unsigned int i;
+
+	for (i = 0; rpcb_netnametbl[i] != NULL; i++) {
+		in_port_t port;
+
+		port = nfs_gp_getservbyname(rpcb_netnametbl[i], protocol);
+		if (port != 0)
+			return port;
+	}
+
+	return (in_port_t)htons((uint16_t)PMAPPORT);
+}
+
+/*
+ * Set up an RPC client for communicating with an rpcbind daemon at
+ * @sap over @transport with protocol version @version.
+ *
+ * Returns a pointer to a prepared RPC client if successful, and
+ * @timeout is initialized; caller must destroy a non-NULL returned RPC
+ * client.  Otherwise returns NULL, and rpc_createerr.cf_stat is set to
+ * reflect the error.
+ */
+static CLIENT *nfs_gp_get_rpcbclient(struct sockaddr *sap,
+				     const socklen_t salen,
+				     const unsigned short transport,
+				     const rpcvers_t version,
+				     struct timeval *timeout)
+{
+	static const char *rpcb_pgmtbl[] = {
+		"rpcbind",
+		"portmap",
+		"portmapper",
+		"sunrpc",
+		NULL,
+	};
+	rpcprog_t rpcb_prog = nfs_getrpcbyname(RPCBPROG, rpcb_pgmtbl);
+	CLIENT *clnt;
+
+	nfs_set_port(sap, ntohs(nfs_gp_get_rpcb_port(transport)));
+	clnt = nfs_get_rpcclient(sap, salen, transport, rpcb_prog,
+							version, timeout);
+	nfs_gp_map_tcp_errorcodes(transport);
+	return clnt;
+}
+
+/**
+ * nfs_get_proto - Convert a netid to an address family and protocol number
+ * @netid: C string containing a netid
+ * @family: OUT: address family
+ * @protocol: OUT: protocol number
+ *
+ * Returns 1 and fills in @protocol if the netid was recognized;
+ * otherwise zero is returned.
+ */
+#ifdef HAVE_LIBTIRPC
+int
+nfs_get_proto(const char *netid, sa_family_t *family, unsigned long *protocol)
+{
+	struct netconfig *nconf;
+	struct protoent *proto;
+
+	/*
+	 * IANA does not define a protocol number for rdma netids,
+	 * since "rdma" is not an IP protocol.
+	 */
+	if (strcmp(netid, "rdma") == 0) {
+		*family = AF_INET;
+		*protocol = NFSPROTO_RDMA;
+		return 1;
+	}
+	if (strcmp(netid, "rdma6") == 0) {
+		*family = AF_INET6;
+		*protocol = NFSPROTO_RDMA;
+		return 1;
+	}
+
+	nconf = getnetconfigent(netid);
+	if (nconf == NULL)
+		return 0;
+
+	proto = getprotobyname(nconf->nc_proto);
+	if (proto == NULL) {
+		freenetconfigent(nconf);
+		return 0;
+	}
+
+	*family = AF_UNSPEC;
+	if (strcmp(nconf->nc_protofmly, NC_INET) == 0)
+		*family = AF_INET;
+	if (strcmp(nconf->nc_protofmly, NC_INET6) == 0)
+		*family = AF_INET6;
+	freenetconfigent(nconf);
+
+	*protocol = (unsigned long)proto->p_proto;
+	return 1;
+}
+#else	/* !HAVE_LIBTIRPC */
+int
+nfs_get_proto(const char *netid, sa_family_t *family, unsigned long *protocol)
+{
+	struct protoent *proto;
+
+	/*
+	 * IANA does not define a protocol number for rdma netids,
+	 * since "rdma" is not an IP protocol.
+	 */
+	if (strcmp(netid, "rdma") == 0) {
+		*family = AF_INET;
+		*protocol = NFSPROTO_RDMA;
+		return 1;
+	}
+
+	proto = getprotobyname(netid);
+	if (proto == NULL)
+		return 0;
+
+	*family = AF_INET;
+	*protocol = (unsigned long)proto->p_proto;
+	return 1;
+}
+#endif /* !HAVE_LIBTIRPC */
+
+/**
+ * nfs_get_netid - Convert a protocol family and protocol name to a netid
+ * @family: protocol family
+ * @protocol: protocol number
+ *
+ * One of the arguments passed when querying remote rpcbind services
+ * via rpcbind v3 or v4 is a netid string.  This replaces the pm_prot
+ * field used in legacy PMAP_GETPORT calls.
+ *
+ * RFC 1833 says netids are not standard but rather defined on the local
+ * host.  There are, however, standard definitions for nc_protofmly and
+ * nc_proto that can be used to derive a netid string on the local host,
+ * based on the contents of /etc/netconfig.
+ *
+ * Walk through the local netconfig database and grab the netid of the
+ * first entry that matches @family and @protocol and whose netid string
+ * fits in the provided buffer.
+ *
+ * Returns a '\0'-terminated string if successful.  Caller must
+ * free the returned string.  Otherwise NULL is returned, and
+ * rpc_createerr.cf_stat is set to reflect the error.
+ */
+#ifdef HAVE_LIBTIRPC
+char *nfs_get_netid(const sa_family_t family, const unsigned long protocol)
+{
+	char *nc_protofmly, *nc_proto, *nc_netid;
+	struct netconfig *nconf;
+	struct protoent *proto;
+	void *handle;
+
+	switch (family) {
+	case AF_LOCAL:
+	case AF_INET:
+		nc_protofmly = NC_INET;
+		break;
+	case AF_INET6:
+		nc_protofmly = NC_INET6;
+		break;
+	default:
+		goto out;
+	}
+
+	proto = getprotobynumber(protocol);
+	if (proto == NULL)
+		goto out;
+	nc_proto = proto->p_name;
+
+	handle = setnetconfig();
+	while ((nconf = getnetconfig(handle)) != NULL) {
+
+		if (nconf->nc_protofmly != NULL &&
+		    strcmp(nconf->nc_protofmly, nc_protofmly) != 0)
+			continue;
+		if (nconf->nc_proto != NULL &&
+		    strcmp(nconf->nc_proto, nc_proto) != 0)
+			continue;
+
+		nc_netid = strdup(nconf->nc_netid);
+		endnetconfig(handle);
+
+		if (nc_netid == NULL)
+			rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		return nc_netid;
+	}
+	endnetconfig(handle);
+
+out:
+	rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+	return NULL;
+}
+#else	/* !HAVE_LIBTIRPC */
+char *nfs_get_netid(const sa_family_t family, const unsigned long protocol)
+{
+	struct protoent *proto;
+	char *netid;
+
+	if (family != AF_INET)
+		goto out;
+	proto = getprotobynumber((int)protocol);
+	if (proto == NULL)
+		goto out;
+
+	netid = strdup(proto->p_name);
+	if (netid == NULL)
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+	return netid;
+
+out:
+	rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+	return NULL;
+}
+#endif	/* !HAVE_LIBTIRPC */
+
+/*
+ * Extract a port number from a universal address, and terminate the
+ * string in @addrstr just after the address part.
+ *
+ * Returns -1 if unsuccesful; otherwise a decoded port number (possibly 0)
+ * is returned.
+ */
+static int nfs_gp_universal_porthelper(char *addrstr)
+{
+	char *p, *endptr;
+	unsigned long portlo, porthi;
+	int port = -1;
+
+	p = strrchr(addrstr, '.');
+	if (p == NULL)
+		goto out;
+	portlo = strtoul(p + 1, &endptr, 10);
+	if (*endptr != '\0' || portlo > 255)
+		goto out;
+	*p = '\0';
+
+	p = strrchr(addrstr, '.');
+	if (p == NULL)
+		goto out;
+	porthi = strtoul(p + 1, &endptr, 10);
+	if (*endptr != '\0' || porthi > 255)
+		goto out;
+	*p = '\0';
+	port = (porthi << 8) | portlo;
+
+out:
+	return port;
+}
+
+/**
+ * nfs_universal2port - extract port number from a "universal address"
+ * @uaddr: '\0'-terminated C string containing a universal address
+ *
+ * Universal addresses (defined in RFC 1833) are used when calling an
+ * rpcbind daemon via protocol versions 3 or 4..
+ *
+ * Returns -1 if unsuccesful; otherwise a decoded port number (possibly 0)
+ * is returned.
+ */
+int nfs_universal2port(const char *uaddr)
+{
+	char *addrstr;
+	int port = -1;
+
+	addrstr = strdup(uaddr);
+	if (addrstr != NULL) {
+		port = nfs_gp_universal_porthelper(addrstr);
+		free(addrstr);
+	}
+	return port;
+}
+
+/**
+ * nfs_sockaddr2universal - convert a sockaddr to a "universal address"
+ * @sap: pointer to a socket address
+ *
+ * Universal addresses (defined in RFC 1833) are used when calling an
+ * rpcbind daemon via protocol versions 3 or 4..
+ *
+ * Returns a '\0'-terminated string if successful; caller must free
+ * the returned string.  Otherwise NULL is returned and
+ * rpc_createerr.cf_stat is set to reflect the error.
+ *
+ * inet_ntop(3) is used here, since getnameinfo(3) is not available
+ * in some earlier glibc releases, and we don't require support for
+ * scope IDs for universal addresses.
+ */
+char *nfs_sockaddr2universal(const struct sockaddr *sap)
+{
+	const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap;
+	const struct sockaddr_un *sun = (const struct sockaddr_un *)sap;
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+	char buf[INET6_ADDRSTRLEN + 8 /* for port information */];
+	uint16_t port;
+	size_t count;
+	char *result;
+	int len;
+
+	switch (sap->sa_family) {
+	case AF_LOCAL:
+		return strndup(sun->sun_path, sizeof(sun->sun_path));
+	case AF_INET:
+		if (inet_ntop(AF_INET, (const void *)&sin->sin_addr.s_addr,
+					buf, (socklen_t)sizeof(buf)) == NULL)
+			goto out_err;
+		port = ntohs(sin->sin_port);
+		break;
+	case AF_INET6:
+		if (inet_ntop(AF_INET6, (const void *)&sin6->sin6_addr,
+					buf, (socklen_t)sizeof(buf)) == NULL)
+			goto out_err;
+		port = ntohs(sin6->sin6_port);
+		break;
+	default:
+		goto out_err;
+	}
+
+	count = sizeof(buf) - strlen(buf);
+	len = snprintf(buf + strlen(buf), count, ".%u.%u",
+			(unsigned)(port >> 8), (unsigned)(port & 0xff));
+	/* before glibc 2.0.6, snprintf(3) could return -1 */
+	if (len < 0 || (size_t)len > count)
+		goto out_err;
+
+	result = strdup(buf);
+	if (result != NULL)
+		return result;
+
+out_err:
+	rpc_createerr.cf_stat = RPC_N2AXLATEFAILURE;
+	return NULL;
+}
+
+/*
+ * Send a NULL request to the indicated RPC service.
+ *
+ * Returns 1 if the service responded; otherwise 0;
+ */
+static int nfs_gp_ping(CLIENT *client, struct timeval timeout)
+{
+	enum clnt_stat status;
+
+	status = CLNT_CALL(client, NULLPROC,
+			   (xdrproc_t)xdr_void, NULL,
+			   (xdrproc_t)xdr_void, NULL,
+			   timeout);
+
+	if (status != RPC_SUCCESS) {
+		rpc_createerr.cf_stat = status;
+		CLNT_GETERR(client, &rpc_createerr.cf_error);
+	}
+	return (int)(status == RPC_SUCCESS);
+}
+
+#ifdef HAVE_LIBTIRPC
+
+/*
+ * Initialize the rpcb argument for a GETADDR request.
+ *
+ * Returns 1 if successful, and caller must free strings pointed
+ * to by r_netid and r_addr; otherwise 0.
+ */
+static int nfs_gp_init_rpcb_parms(const struct sockaddr *sap,
+				  const rpcprog_t program,
+				  const rpcvers_t version,
+				  const unsigned short protocol,
+				  struct rpcb *parms)
+{
+	char *netid, *addr;
+
+	netid = nfs_get_netid(sap->sa_family, protocol);
+	if (netid == NULL)
+		return 0;
+
+	addr = nfs_sockaddr2universal(sap);
+	if (addr == NULL) {
+		free(netid);
+		return 0;
+	}
+
+	memset(parms, 0, sizeof(*parms));
+	parms->r_prog	= program;
+	parms->r_vers	= version;
+	parms->r_netid	= netid;
+	parms->r_addr	= addr;
+	parms->r_owner	= "";
+
+	return 1;
+}
+
+static void nfs_gp_free_rpcb_parms(struct rpcb *parms)
+{
+	free(parms->r_netid);
+	free(parms->r_addr);
+}
+
+/*
+ * Try rpcbind GETADDR via version 4.  If that fails, try same
+ * request via version 3.
+ *
+ * Returns non-zero port number on success; otherwise returns
+ * zero.  rpccreateerr is set to reflect the nature of the error.
+ */
+static unsigned short nfs_gp_rpcb_getaddr(CLIENT *client,
+					  struct rpcb *parms,
+					  struct timeval timeout)
+{
+	rpcvers_t rpcb_version;
+	struct rpc_err rpcerr;
+	int port = 0;
+
+	for (rpcb_version = RPCBVERS_4;
+	     rpcb_version >= RPCBVERS_3;
+	     rpcb_version--) {
+		enum clnt_stat status;
+		char *uaddr = NULL;
+
+		CLNT_CONTROL(client, CLSET_VERS, (void *)&rpcb_version);
+		status = CLNT_CALL(client, (rpcproc_t)RPCBPROC_GETADDR,
+				   (xdrproc_t)xdr_rpcb, (void *)parms,
+				   (xdrproc_t)xdr_wrapstring, (void *)&uaddr,
+				   timeout);
+
+		switch (status) {
+		case RPC_SUCCESS:
+			if ((uaddr == NULL) || (uaddr[0] == '\0')) {
+				rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
+				return 0;
+			}
+
+			port = nfs_universal2port(uaddr);
+			xdr_free((xdrproc_t)xdr_wrapstring, (char *)&uaddr);
+			if (port == -1) {
+				rpc_createerr.cf_stat = RPC_N2AXLATEFAILURE;
+				return 0;
+			}
+			return (unsigned short)port;
+		case RPC_PROGVERSMISMATCH:
+			clnt_geterr(client, &rpcerr);
+			if (rpcerr.re_vers.low > RPCBVERS4)
+				return 0;
+			continue;
+		case RPC_PROCUNAVAIL:
+		case RPC_PROGUNAVAIL:
+			continue;
+		default:
+			/* Most likely RPC_TIMEDOUT or RPC_CANTRECV */
+			rpc_createerr.cf_stat = status;
+			clnt_geterr(client, &rpc_createerr.cf_error);
+			return 0;
+		}
+
+	}
+
+	if (port == 0) {
+		rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
+		clnt_geterr(client, &rpc_createerr.cf_error);
+	}
+	return port;
+}
+
+#endif	/* HAVE_LIBTIRPC */
+
+/*
+ * Try GETPORT request via rpcbind version 2.
+ *
+ * Returns non-zero port number on success; otherwise returns
+ * zero.  rpccreateerr is set to reflect the nature of the error.
+ */
+static unsigned long nfs_gp_pmap_getport(CLIENT *client,
+					 struct pmap *parms,
+					 struct timeval timeout)
+{
+	enum clnt_stat status;
+	unsigned long port;
+
+	status = CLNT_CALL(client, (rpcproc_t)PMAPPROC_GETPORT,
+			   (xdrproc_t)xdr_pmap, (void *)parms,
+			   (xdrproc_t)xdr_u_long, (void *)&port,
+			   timeout);
+
+	if (status != RPC_SUCCESS) {
+		rpc_createerr.cf_stat = status;
+		CLNT_GETERR(client, &rpc_createerr.cf_error);
+		port = 0;
+	} else if (port == 0)
+		rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
+
+	return port;
+}
+
+#ifdef HAVE_LIBTIRPC
+
+static unsigned short nfs_gp_getport_rpcb(CLIENT *client,
+					  const struct sockaddr *sap,
+					  const rpcprog_t program,
+					  const rpcvers_t version,
+					  const unsigned short protocol,
+					  struct timeval timeout)
+{
+	unsigned short port = 0;
+	struct rpcb parms;
+
+	if (nfs_gp_init_rpcb_parms(sap, program, version,
+					protocol, &parms) != 0) {
+		port = nfs_gp_rpcb_getaddr(client, &parms, timeout);
+		nfs_gp_free_rpcb_parms(&parms);
+	}
+
+	return port;
+}
+
+#endif	/* HAVE_LIBTIRPC */
+
+static unsigned long nfs_gp_getport_pmap(CLIENT *client,
+					 const rpcprog_t program,
+					 const rpcvers_t version,
+					 const unsigned short protocol,
+					 struct timeval timeout)
+{
+	struct pmap parms = {
+		.pm_prog	= program,
+		.pm_vers	= version,
+		.pm_prot	= protocol,
+	};
+	rpcvers_t pmap_version = PMAPVERS;
+
+	CLNT_CONTROL(client, CLSET_VERS, (void *)&pmap_version);
+	return nfs_gp_pmap_getport(client, &parms, timeout);
+}
+
+/*
+ * Try an AF_INET6 request via rpcbind v4/v3; try an AF_INET
+ * request via rpcbind v2.
+ *
+ * Returns non-zero port number on success; otherwise returns
+ * zero.  rpccreateerr is set to reflect the nature of the error.
+ */
+static unsigned short nfs_gp_getport(CLIENT *client,
+				     const struct sockaddr *sap,
+				     const rpcprog_t program,
+				     const rpcvers_t version,
+				     const unsigned short protocol,
+				     struct timeval timeout)
+{
+	switch (sap->sa_family) {
+#ifdef HAVE_LIBTIRPC
+	case AF_INET6:
+		return nfs_gp_getport_rpcb(client, sap, program,
+						version, protocol, timeout);
+#endif	/* HAVE_LIBTIRPC */
+	case AF_INET:
+		return nfs_gp_getport_pmap(client, program, version,
+							protocol, timeout);
+	}
+
+	rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
+	return 0;
+}
+
+/**
+ * nfs_rpc_ping - Determine if RPC service is responding to requests
+ * @sap: pointer to address of server to query (port is already filled in)
+ * @salen: length of server address
+ * @program: requested RPC program number
+ * @version: requested RPC version number
+ * @protocol: requested IPPROTO_ value of transport protocol
+ * @timeout: pointer to request timeout (NULL means use default timeout)
+ *
+ * Returns 1 if the remote service responded without an error; otherwise
+ * zero.
+ */
+int nfs_rpc_ping(const struct sockaddr *sap, const socklen_t salen,
+		 const rpcprog_t program, const rpcvers_t version,
+		 const unsigned short protocol, const struct timeval *timeout)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *saddr = &address.sa;
+	CLIENT *client;
+	struct timeval tout = { -1, 0 };
+	int result = 0;
+
+	if (timeout != NULL)
+		tout = *timeout;
+
+	nfs_clear_rpc_createerr();
+
+	memcpy(saddr, sap, (size_t)salen);
+	client = nfs_get_rpcclient(saddr, salen, protocol,
+						program, version, &tout);
+	if (client != NULL) {
+		result = nfs_gp_ping(client, tout);
+		nfs_gp_map_tcp_errorcodes(protocol);
+		CLNT_DESTROY(client);
+	}
+
+	return result;
+}
+
+/**
+ * nfs_getport - query server's rpcbind to get port number for an RPC service
+ * @sap: pointer to address of server to query
+ * @salen: length of server's address
+ * @program: requested RPC program number
+ * @version: requested RPC version number
+ * @protocol: IPPROTO_ value of requested transport protocol
+ *
+ * Uses any acceptable rpcbind version to discover the port number for the
+ * RPC service described by the given [program, version, transport] tuple.
+ * Uses a quick timeout and an ephemeral source port.  Supports AF_INET and
+ * AF_INET6 server addresses.
+ *
+ * Returns a positive integer representing the port number of the RPC
+ * service advertised by the server (in host byte order), or zero if the
+ * service is not advertised or there was some problem querying the server's
+ * rpcbind daemon.  rpccreateerr is set to reflect the underlying cause of
+ * the error.
+ *
+ * There are a variety of ways to choose which transport and rpcbind versions
+ * to use.  We chose to conserve local resources and try to avoid incurring
+ * timeouts.
+ *
+ * Transport
+ * To provide rudimentary support for traversing firewalls, query the remote
+ * using the same transport as the requested service.  This provides some
+ * guarantee that the requested transport is available between this client
+ * and the server, and if the caller specifically requests TCP, for example,
+ * this may be becuase a firewall is in place that blocks UDP traffic.  We
+ * could try both, but that could involve a lengthy timeout in several cases,
+ * and would often consume an extra ephemeral port.
+ *
+ * Rpcbind version
+ * To avoid using up too many ephemeral ports, AF_INET queries use tried-and-
+ * true rpcbindv2, and don't try the newer versions; and AF_INET6 queries use
+ * rpcbindv4, then rpcbindv3 on the same socket.  The newer rpcbind protocol
+ * versions can adequately detect if a remote RPC service does not support
+ * AF_INET6 at all.  The rpcbind socket is re-used in an attempt to keep the
+ * overall number of consumed ephemeral ports low.
+ */
+unsigned short nfs_getport(const struct sockaddr *sap,
+			   const socklen_t salen,
+			   const rpcprog_t program,
+			   const rpcvers_t version,
+			   const unsigned short protocol)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *saddr = &address.sa;
+	struct timeval timeout = { -1, 0 };
+	unsigned short port = 0;
+	CLIENT *client;
+
+	nfs_clear_rpc_createerr();
+
+	memcpy(saddr, sap, (size_t)salen);
+	client = nfs_gp_get_rpcbclient(saddr, salen, protocol,
+						default_rpcb_version, &timeout);
+	if (client != NULL) {
+		port = nfs_gp_getport(client, saddr, program,
+					version, protocol, timeout);
+		CLNT_DESTROY(client);
+	}
+
+	return port;
+}
+
+/**
+ * nfs_getport_ping - query server's rpcbind and do RPC ping to verify result
+ * @sap: IN: pointer to address of server to query;
+ *	 OUT: pointer to updated address
+ * @salen: length of server's address
+ * @program: requested RPC program number
+ * @version: requested RPC version number
+ * @protocol: IPPROTO_ value of requested transport protocol
+ *
+ * Uses any acceptable rpcbind version to discover the port number for the
+ * RPC service described by the given [program, version, transport] tuple.
+ * Uses a quick timeout and an ephemeral source port.  Supports AF_INET and
+ * AF_INET6 server addresses.
+ *
+ * Returns a 1 and sets the port number in the passed-in server address
+ * if both the query and the ping were successful; otherwise zero.
+ * rpccreateerr is set to reflect the underlying cause of the error.
+ */
+int nfs_getport_ping(struct sockaddr *sap, const socklen_t salen,
+		     const rpcprog_t program, const rpcvers_t version,
+		     const unsigned short protocol)
+{
+	struct timeval timeout = { -1, 0 };
+	unsigned short port = 0;
+	CLIENT *client;
+	int result = 0;
+	
+	nfs_clear_rpc_createerr();
+
+	client = nfs_gp_get_rpcbclient(sap, salen, protocol,
+						default_rpcb_version, &timeout);
+	if (client != NULL) {
+		port = nfs_gp_getport(client, sap, program,
+					version, protocol, timeout);
+		CLNT_DESTROY(client);
+		client = NULL;
+	}
+
+	if (port != 0) {
+		union nfs_sockaddr address;
+		struct sockaddr *saddr = &address.sa;
+
+		memcpy(saddr, sap, (size_t)salen);
+		nfs_set_port(saddr, port);
+
+		nfs_clear_rpc_createerr();
+
+		client = nfs_get_rpcclient(saddr, salen, protocol,
+						program, version, &timeout);
+		if (client != NULL) {
+			result = nfs_gp_ping(client, timeout);
+			nfs_gp_map_tcp_errorcodes(protocol);
+			CLNT_DESTROY(client);
+		}
+	}
+
+	if (result)
+		nfs_set_port(sap, port);
+
+	return result;
+}
+
+/**
+ * nfs_getlocalport - query local rpcbind to get port number for an RPC service
+ * @program: requested RPC program number
+ * @version: requested RPC version number
+ * @protocol: IPPROTO_ value of requested transport protocol
+ *
+ * Uses any acceptable rpcbind version to discover the port number for the
+ * RPC service described by the given [program, version, transport] tuple.
+ * Uses a quick timeout and an ephemeral source port.  Supports AF_INET and
+ * AF_INET6 local addresses.
+ *
+ * Returns a positive integer representing the port number of the RPC
+ * service advertised by the server (in host byte order), or zero if the
+ * service is not advertised or there was some problem querying the server's
+ * rpcbind daemon.  rpccreateerr is set to reflect the underlying cause of
+ * the error.
+ *
+ * Try an AF_LOCAL connection first.  The rpcbind daemon implementation should
+ * listen on AF_LOCAL.
+ *
+ * If that doesn't work (for example, if portmapper is running, or rpcbind
+ * isn't listening on /run/rpcbind.sock), send a query via UDP to localhost
+ * (UDP doesn't leave a socket in TIME_WAIT, and the timeout is a relatively
+ * short 3 seconds).
+ */
+unsigned short nfs_getlocalport(const rpcprot_t program,
+				const rpcvers_t version,
+				const unsigned short protocol)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *lb_addr = &address.sa;
+	socklen_t lb_len = sizeof(*lb_addr);
+	unsigned short port = 0;
+
+#ifdef NFS_GP_LOCAL
+	const struct sockaddr_un sun = {
+		.sun_family	= AF_LOCAL,
+		.sun_path	= _PATH_RPCBINDSOCK,
+	};
+	const struct sockaddr *sap = (struct sockaddr *)&sun;
+	const socklen_t salen = SUN_LEN(&sun);
+	CLIENT *client;
+	struct timeval timeout = { -1, 0 };
+
+	nfs_clear_rpc_createerr();
+
+	client = nfs_gp_get_rpcbclient(sap, salen, 0, RPCBVERS_4, &timeout);
+	if (client != NULL) {
+		struct rpcb parms;
+
+		if (nfs_gp_init_rpcb_parms(sap, program, version,
+						protocol, &parms) != 0) {
+			port = nfs_gp_rpcb_getaddr(client, &parms, timeout);
+			nfs_gp_free_rpcb_parms(&parms);
+		}
+		CLNT_DESTROY(client);
+	}
+#endif	/* NFS_GP_LOCAL */
+
+	if (port == 0) {
+		nfs_clear_rpc_createerr();
+
+		if (nfs_gp_loopback_address(lb_addr, &lb_len)) {
+			port = nfs_getport(lb_addr, lb_len,
+						program, version, protocol);
+		} else
+			rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
+	}
+
+	return port;
+}
+
+/**
+ * nfs_rpcb_getaddr - query rpcbind via rpcbind versions 4 and 3
+ * @sap: pointer to address of server to query
+ * @salen: length of server address
+ * @transport: transport protocol to use for the query
+ * @addr: pointer to r_addr address
+ * @program: requested RPC program number
+ * @version: requested RPC version number
+ * @protocol: requested IPPROTO_ value of transport protocol
+ * @timeout: pointer to request timeout (NULL means use default timeout)
+ *
+ * Returns a positive integer representing the port number of the RPC
+ * service advertised by the server (in host byte order), or zero if the
+ * service is not advertised or there was some problem querying the
+ * server's rpcbind daemon.  rpccreateerr is set to reflect the
+ * underlying cause of the error.
+ *
+ * This function provides similar functionality to nfs_pmap_getport(),
+ * but performs the rpcbind lookup via rpcbind version 4.  If the server
+ * doesn't support rpcbind version 4, it will retry with version 3.
+ * The GETADDR procedure is exactly the same in these two versions of
+ * the rpcbind protocol, so the socket, RPC client, and arguments are
+ * re-used when retrying, saving ephemeral port space.
+ *
+ * These RPC procedures take a universal address as an argument, so the
+ * query will fail if the remote rpcbind daemon doesn't find an entry
+ * with a matching address.  A matching address includes an ANYADDR
+ * address of the same address family.  In this way an RPC server can
+ * advertise via rpcbind that it does not support AF_INET6.
+ */
+#ifdef HAVE_LIBTIRPC
+
+unsigned short nfs_rpcb_getaddr(const struct sockaddr *sap,
+				const socklen_t salen,
+				const unsigned short transport,
+				const struct sockaddr *addr,
+				const rpcprog_t program,
+				const rpcvers_t version,
+				const unsigned short protocol,
+				const struct timeval *timeout)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *saddr = &address.sa;
+	CLIENT *client;
+	struct rpcb parms;
+	struct timeval tout = { -1, 0 };
+	unsigned short port = 0;
+
+	if (timeout != NULL)
+		tout = *timeout;
+
+	nfs_clear_rpc_createerr();
+
+	memcpy(saddr, sap, (size_t)salen);
+	client = nfs_gp_get_rpcbclient(saddr, salen, transport,
+							RPCBVERS_4, &tout);
+	if (client != NULL) {
+		if (nfs_gp_init_rpcb_parms(addr, program, version,
+						protocol, &parms) != 0) {
+			port = nfs_gp_rpcb_getaddr(client, &parms, tout);
+			nfs_gp_free_rpcb_parms(&parms);
+		}
+		CLNT_DESTROY(client);
+	}
+
+	return port;
+}
+
+#else	/* !HAVE_LIBTIRPC */
+
+unsigned short nfs_rpcb_getaddr(__attribute__((unused)) const struct sockaddr *sap,
+				__attribute__((unused)) const socklen_t salen,
+				__attribute__((unused)) const unsigned short transport,
+				__attribute__((unused)) const struct sockaddr *addr,
+				__attribute__((unused)) const rpcprog_t program,
+				__attribute__((unused)) const rpcvers_t version,
+				__attribute__((unused)) const unsigned short protocol,
+				__attribute__((unused)) const struct timeval *timeout)
+{
+	nfs_clear_rpc_createerr();
+
+	rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
+	return 0;
+}
+
+#endif	/* !HAVE_LIBTIRPC */
+
+/**
+ * nfs_pmap_getport - query rpcbind via the portmap protocol (rpcbindv2)
+ * @sin: pointer to AF_INET address of server to query
+ * @transport: transport protocol to use for the query
+ * @program: requested RPC program number
+ * @version: requested RPC version number
+ * @protocol: requested IPPROTO_ value of transport protocol
+ * @timeout: pointer to request timeout (NULL means use default timeout)
+ *
+ * Returns a positive integer representing the port number of the RPC service
+ * advertised by the server (in host byte order), or zero if the service is
+ * not advertised or there was some problem querying the server's rpcbind
+ * daemon.  rpccreateerr is set to reflect the underlying cause of the error.
+ *
+ * nfs_pmap_getport() is very similar to pmap_getport(), except that:
+ *
+ *  1.	This version always tries to use an ephemeral port, since reserved
+ *	ports are not needed for GETPORT queries.  This conserves the very
+ *	limited reserved port space, helping reduce failed socket binds
+ *	during mount storms.
+ *
+ *  2.	This version times out quickly by default.  It time-limits the
+ *	connect process as well as the actual RPC call, and even allows the
+ *	caller to specify the timeout.
+ *
+ *  3.	This version shares code with the rpcbindv3 and rpcbindv4 query
+ *	functions.  It can use a TI-RPC generated CLIENT.
+ */
+unsigned long nfs_pmap_getport(const struct sockaddr_in *sin,
+			       const unsigned short transport,
+			       const unsigned long program,
+			       const unsigned long version,
+			       const unsigned long protocol,
+			       const struct timeval *timeout)
+{
+	struct sockaddr_in address;
+	struct sockaddr *saddr = (struct sockaddr *)&address;
+	CLIENT *client;
+	struct pmap parms = {
+		.pm_prog	= program,
+		.pm_vers	= version,
+		.pm_prot	= protocol,
+	};
+	struct timeval tout = { -1, 0 };
+	unsigned long port = 0;
+
+	if (timeout != NULL)
+		tout = *timeout;
+
+	nfs_clear_rpc_createerr();
+
+	memcpy(saddr, sin, sizeof(address));
+	client = nfs_gp_get_rpcbclient(saddr, (socklen_t)sizeof(*sin),
+					transport, PMAPVERS, &tout);
+	if (client != NULL) {
+		port = nfs_gp_pmap_getport(client, &parms, tout);
+		CLNT_DESTROY(client);
+	}
+
+	return port;
+}
+
+static const char *nfs_ns_pgmtbl[] = {
+        "status",
+        NULL,
+};
+
+/*
+ * nfs_probe_statd - use nfs_pmap_getport to see if statd is running locally
+ *
+ * Returns non-zero if statd is running locally.
+ */
+int nfs_probe_statd(void)
+{
+        struct sockaddr_in addr = {
+                .sin_family             = AF_INET,
+                .sin_addr.s_addr        = htonl(INADDR_LOOPBACK),
+        };
+        rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
+
+        return nfs_getport_ping((struct sockaddr *)(char *)&addr, sizeof(addr),
+                                program, (rpcvers_t)1, IPPROTO_UDP);
+}
diff --git a/support/nfs/mydaemon.c b/support/nfs/mydaemon.c
new file mode 100644
index 0000000..d1cf08d
--- /dev/null
+++ b/support/nfs/mydaemon.c
@@ -0,0 +1,153 @@
+/*
+  mydaemon.c
+
+  Copyright (c) 2000 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2000 Dug Song <dugsong@UMICH.EDU>.
+  Copyright (c) 2002 Andy Adamson <andros@UMICH.EDU>.
+  Copyright (c) 2002 Marius Aamodt Eriksen <marius@UMICH.EDU>.
+  Copyright (c) 2002 J. Bruce Fields <bfields@UMICH.EDU>.
+  Copyright (c) 2013 Jeff Layton <jlayton@redhat.com>
+
+  All rights reserved, all wrongs reversed.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <xlog.h>
+
+#include "nfslib.h"
+
+static int pipefds[2] = { -1, -1};
+
+/**
+ * daemon_init - initial daemon setup
+ * @fg:		whether to run in the foreground
+ *
+ * This function is like daemon(), but with our own special sauce to delay
+ * the exit of the parent until the child is set up properly. A pipe is created
+ * between parent and child. The parent process will wait to exit until the
+ * child dies or writes an int on the pipe signaling its status.
+ */
+void
+daemon_init(bool fg)
+{
+	int pid, status, tempfd;
+
+	if (fg)
+		return;
+
+	if (pipe(pipefds) < 0) {
+		xlog_err("mydaemon: pipe() failed: errno %d (%s)\n",
+			 errno, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	pid = fork();
+	if (pid < 0) {
+		xlog_err("mydaemon: fork() failed: errno %d (%s)\n",
+			 errno, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	if (pid > 0) {
+		/* Parent */
+		close(pipefds[1]);
+		if (read(pipefds[0], &status, sizeof(status)) != sizeof(status))
+			exit(EXIT_FAILURE);
+		exit(status);
+	}
+
+	/* Child */
+	close(pipefds[0]);
+	setsid ();
+
+	if (chdir ("/")) {
+		xlog_err("mydaemon: chdir() failed: errno %d (%s)\n",
+			 errno, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	while (pipefds[1] <= 2) {
+		pipefds[1] = dup(pipefds[1]);
+		if (pipefds[1] < 0) {
+			xlog_err("mydaemon: dup() failed: errno %d (%s)\n",
+				 errno, strerror(errno));
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	tempfd = open("/dev/null", O_RDWR);
+	if (tempfd < 0) {
+		xlog_err("mydaemon: can't open /dev/null: errno %d "
+			 "(%s)\n", errno, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	dup2(tempfd, 0);
+	dup2(tempfd, 1);
+	dup2(tempfd, 2);
+	close(tempfd);
+	closelog();
+	dup2(pipefds[1], 3);
+	pipefds[1] = 3;
+	closeall(4);
+}
+
+/**
+ * daemon_ready - tell interested parties that the daemon is ready
+ *
+ * This function tells e.g. the parent process that the daemon is up
+ * and running.
+ */
+void
+daemon_ready(void)
+{
+	int status = 0;
+
+	if (pipefds[1] > 0) {
+		if (write(pipefds[1], &status, sizeof(status)) != sizeof(status)) {
+			xlog_err("WARN: writing to parent pipe failed: errno "
+				 "%d (%s)\n", errno, strerror(errno));
+		}
+		close(pipefds[1]);
+		pipefds[1] = -1;
+	}
+}
+
diff --git a/support/nfs/nfs_mntent.c b/support/nfs/nfs_mntent.c
new file mode 100644
index 0000000..25e5944
--- /dev/null
+++ b/support/nfs/nfs_mntent.c
@@ -0,0 +1,240 @@
+/* Private version of the libc *mntent() routines. */
+/* Note slightly different prototypes. */
+
+/* 1999-02-22 Arkadiusz Miskiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ *
+ * 2006-06-08 Amit Gud <agud@redhat.com>
+ * - Moved to nfs-utils/support/nfs from util-linux/mount
+ */
+
+#include <stdio.h>
+#include <string.h>		/* for strchr */
+#include <ctype.h>		/* for isdigit */
+#include <sys/stat.h>		/* for umask */
+#include <unistd.h>		/* for ftruncate */
+#include <errno.h>		/* for errno */
+
+#include "nfs_mntent.h"
+#include "nls.h"
+#include "xcommon.h"
+
+/* Unfortunately the classical Unix /etc/mtab and /etc/fstab
+   do not handle directory names containing spaces.
+   Here we mangle them, replacing a space by \040.
+   What do other Unices do? */
+
+static unsigned char need_escaping[] = { ' ', '\t', '\n', '\\' };
+
+static char *
+mangle(const char *arg) {
+	const unsigned char *s = (const unsigned char *)arg;
+	char *ss, *sp;
+	unsigned int n;
+
+	n = strlen(arg);
+	ss = sp = xmalloc(4*n+1);
+	while(1) {
+		for (n = 0; n < sizeof(need_escaping); n++) {
+			if (*s == need_escaping[n]) {
+				*sp++ = '\\';
+				*sp++ = '0' + ((*s & 0300) >> 6);
+				*sp++ = '0' + ((*s & 070) >> 3);
+				*sp++ = '0' + (*s & 07);
+				goto next;
+			}
+		}
+		*sp++ = *s;
+		if (*s == 0)
+			break;
+	next:
+		s++;
+	}
+	return ss;
+}
+
+static int
+is_space_or_tab (char c) {
+	return (c == ' ' || c == '\t');
+}
+
+static char *
+skip_spaces(char *s) {
+	while (is_space_or_tab(*s))
+		s++;
+	return s;
+}
+
+static char *
+skip_nonspaces(char *s) {
+	while (*s && !is_space_or_tab(*s))
+		s++;
+	return s;
+}
+
+#define isoctal(a) (((a) & ~7) == '0')
+
+/* returns malloced pointer - no more strdup required */
+static char *
+unmangle(char *s) {
+	char *ret, *ss, *sp;
+
+	ss = skip_nonspaces(s);
+	ret = sp = xmalloc(ss-s+1);
+	while(s != ss) {
+		if (*s == '\\' && isoctal(s[1]) && isoctal(s[2]) && isoctal(s[3])) {
+			*sp++ = 64*(s[1] & 7) + 8*(s[2] & 7) + (s[3] & 7);
+			s += 4;
+		} else
+			*sp++ = *s++;
+	}
+	*sp = 0;
+	return ret;
+}
+
+/*
+ * fstat'ing the file and allocating a buffer holding all of it
+ * may be a bad idea: if the file is /proc/mounts, the stat
+ * returns 0.
+ * (On the other hand, mangling and unmangling is meaningless
+ *  for /proc/mounts.)
+ */
+
+mntFILE *
+nfs_setmntent (const char *file, char *mode) {
+	mntFILE *mfp = xmalloc(sizeof(*mfp));
+	mode_t old_umask = umask(077);
+
+	mfp->mntent_fp = fopen(file, mode);
+	umask(old_umask);
+	mfp->mntent_file = xstrdup(file);
+	mfp->mntent_errs = (mfp->mntent_fp == NULL);
+	mfp->mntent_softerrs = 0;
+	mfp->mntent_lineno = 0;
+	return mfp;
+}
+
+void
+nfs_endmntent (mntFILE *mfp) {
+	if (mfp) {
+		if (mfp->mntent_fp)
+			fclose(mfp->mntent_fp);
+		if (mfp->mntent_file)
+			free(mfp->mntent_file);
+		free(mfp);
+	}
+}
+
+int
+nfs_addmntent (mntFILE *mfp, struct mntent *mnt) {
+	char *m1, *m2, *m3, *m4;
+	int res;
+	off_t length;
+
+	if (fseek (mfp->mntent_fp, 0, SEEK_END))
+		return 1;			/* failure */
+	length = ftell(mfp->mntent_fp);
+
+	m1 = mangle(mnt->mnt_fsname);
+	m2 = mangle(mnt->mnt_dir);
+	m3 = mangle(mnt->mnt_type);
+	m4 = mangle(mnt->mnt_opts);
+
+	res = fprintf (mfp->mntent_fp, "%s %s %s %s %d %d\n",
+		       m1, m2, m3, m4, mnt->mnt_freq, mnt->mnt_passno);
+
+	free(m1);
+	free(m2);
+	free(m3);
+	free(m4);
+	if (res >= 0) {
+		res = fflush(mfp->mntent_fp);
+		if (res < 0) {
+			nfs_error("Cant't flush out mtab: %s", strerror(errno));
+			/* Avoid leaving a corrupt mtab file */
+			if (ftruncate(fileno(mfp->mntent_fp), length))
+				{/* Ignore this failure; Why confuse things */}
+		}
+	}
+	return (res < 0) ? 1 : 0;
+}
+
+/* Read the next entry from the file fp. Stop reading at an incorrect entry. */
+struct mntent *
+nfs_getmntent (mntFILE *mfp) {
+	static char buf[4096];
+	static struct mntent me;
+	char *s;
+
+ again:
+	if (mfp->mntent_errs || mfp->mntent_softerrs >= ERR_MAX)
+		return NULL;
+
+	/* read the next non-blank non-comment line */
+	do {
+		if (fgets (buf, sizeof(buf), mfp->mntent_fp) == NULL)
+			return NULL;
+
+		mfp->mntent_lineno++;
+		s = strchr (buf, '\n');
+		if (s == NULL) {
+			/* Missing final newline?  Otherwise extremely */
+			/* long line - assume file was corrupted */
+			if (feof(mfp->mntent_fp)) {
+				fprintf(stderr, _("[mntent]: warning: no final "
+					"newline at the end of %s\n"),
+					mfp->mntent_file);
+				s = strchr (buf, 0);
+			} else {
+				mfp->mntent_errs = 1;
+				goto err;
+			}
+		}
+		*s = 0;
+		if (--s >= buf && *s == '\r')
+			*s = 0;
+		s = skip_spaces(buf);
+	} while (*s == '\0' || *s == '#');
+
+	me.mnt_fsname = unmangle(s);
+	s = skip_nonspaces(s);
+	s = skip_spaces(s);
+	me.mnt_dir = unmangle(s);
+	s = skip_nonspaces(s);
+	s = skip_spaces(s);
+	me.mnt_type = unmangle(s);
+	s = skip_nonspaces(s);
+	s = skip_spaces(s);
+	me.mnt_opts = unmangle(s);
+	s = skip_nonspaces(s);
+	s = skip_spaces(s);
+
+	if (isdigit(*s)) {
+		me.mnt_freq = atoi(s);
+		while(isdigit(*s)) s++;
+	} else
+		me.mnt_freq = 0;
+	if(*s && !is_space_or_tab(*s))
+		goto err;
+
+	s = skip_spaces(s);
+	if(isdigit(*s)) {
+		me.mnt_passno = atoi(s);
+		while(isdigit(*s)) s++;
+	} else
+		me.mnt_passno = 0;
+	if(*s && !is_space_or_tab(*s))
+		goto err;
+
+	/* allow more stuff, e.g. comments, on this line */
+
+	return &me;
+
+ err:
+	mfp->mntent_softerrs++;
+	fprintf(stderr, _("[mntent]: line %d in %s is bad%s\n"),
+		mfp->mntent_lineno, mfp->mntent_file,
+		(mfp->mntent_errs || mfp->mntent_softerrs >= ERR_MAX) ?
+		_("; rest of file ignored") : "");
+	goto again;
+}
diff --git a/support/nfs/rmtab.c b/support/nfs/rmtab.c
new file mode 100644
index 0000000..154b26f
--- /dev/null
+++ b/support/nfs/rmtab.c
@@ -0,0 +1,173 @@
+/*
+ * support/nfs/rmtab.c
+ *
+ * Handling for rmtab.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+#include "nfslib.h"
+
+/*
+ * Colons in incoming IPv6 presentation addresses have to
+ * replaced with another character, since rmtab already
+ * uses colons to delineate fields.
+ *
+ * Use a printable character, but one that would never be
+ * found in a presentation address or domain name
+ */
+#define IPV6_COLON	';'
+
+#define LINELEN		(2048)
+
+static FILE	*rmfp = NULL;
+
+struct state_paths rmtab;
+
+int
+setrmtabent(char *type)
+{
+	if (rmfp)
+		fclose(rmfp);
+	rmfp = fsetrmtabent(rmtab.statefn, type);
+	return (rmfp != NULL);
+}
+
+FILE *
+fsetrmtabent(char *fname, char *type)
+{
+	int	readonly = !strcmp(type, "r");
+	FILE	*fp;
+
+	if (!fname)
+		return NULL;
+	if ((fp = fopen(fname, type)) == NULL) {
+		xlog(L_ERROR, "can't open %s for %sing", fname,
+				readonly ? "read" : "writ");
+		return NULL;
+	}
+	return fp;
+}
+
+struct rmtabent *
+getrmtabent(int log, long *pos)
+{
+	return fgetrmtabent(rmfp, log, pos);
+}
+
+struct rmtabent *
+fgetrmtabent(FILE *fp, int log, long *pos)
+{
+	static struct rmtabent	re;
+	char		*count, *host, *path, *c;
+	static char	buf[LINELEN];
+
+	errno = 0;
+	if (!fp)
+		return NULL;
+	do {
+		if (pos)
+			*pos = ftell (fp);
+		if (fgets(buf, sizeof(buf)-1, fp) == NULL)
+			return NULL;
+		host = buf;
+		if ((path = strchr(host, '\n')) != NULL)
+			*path = '\0';
+		if (!(path = strchr(host, ':'))) {
+			if (log)
+				xlog(L_ERROR, "malformed entry in rmtab file");
+			errno = EINVAL;
+			return NULL;
+		}
+		*path++ = '\0';
+		count = strchr(path, ':');
+		if (count) {
+			*count++ = '\0';
+			re.r_count = strtol (count, NULL, 0);
+		}
+		else
+			re.r_count = 1;
+	} while (0);
+
+	strncpy(re.r_client, host, sizeof (re.r_client) - 1);
+	re.r_client[sizeof (re.r_client) - 1] = '\0';
+	for (c = re.r_client; *c != '\0'; c++)
+		if (*c == IPV6_COLON)
+			*c = ':';
+
+	strncpy(re.r_path, path, sizeof (re.r_path) - 1);
+	re.r_path[sizeof (re.r_path) - 1] = '\0';
+
+	return &re;
+}
+
+void
+putrmtabent(struct rmtabent *rep, long *pos)
+{
+	fputrmtabent(rmfp, rep, pos);
+}
+
+void
+fputrmtabent(FILE *fp, struct rmtabent *rep, long *pos)
+{
+	static char	buf[LINELEN];
+	char		*c;
+
+	if (!fp || (pos && fseek (fp, *pos, SEEK_SET) != 0))
+		return;
+
+	/*
+	 * To avoid confusing the token parser in fgetrmtabent(),
+	 * convert colons in incoming IPv6 presentation addresses
+	 * to semicolons.
+	 */
+	if (strlen(rep->r_client) > sizeof(buf)) {
+		xlog(L_ERROR, "client name too large");
+		return;
+	}
+	strncpy(buf, rep->r_client, sizeof(buf));
+	for (c = buf; *c != '\0'; c++)
+		if (*c == ':')
+			*c = IPV6_COLON;
+
+	(void)fprintf(fp, "%s:%s:0x%.8x\n", buf, rep->r_path, rep->r_count);
+}
+
+void
+endrmtabent(void)
+{
+	fendrmtabent(rmfp);
+	rmfp = NULL;
+}
+
+void
+fendrmtabent(FILE *fp)
+{
+	if (fp)
+		fclose(fp);
+}
+
+void
+rewindrmtabent(void)
+{
+	if (rmfp)
+		rewind(rmfp);
+}
+
+void
+frewindrmtabent(FILE *fp)
+{
+	if (fp)
+		rewind (fp);
+}
diff --git a/support/nfs/rpc_socket.c b/support/nfs/rpc_socket.c
new file mode 100644
index 0000000..5fabf5a
--- /dev/null
+++ b/support/nfs/rpc_socket.c
@@ -0,0 +1,560 @@
+/*
+ * Generic RPC client socket-level APIs for nfs-utils
+ *
+ * Copyright (C) 2008 Oracle Corporation.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/time.h>
+
+#include <stdbool.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+
+#include "sockaddr.h"
+#include "nfsrpc.h"
+
+#ifdef HAVE_LIBTIRPC
+#include <netconfig.h>
+#include <rpc/rpcb_prot.h>
+#endif	/* HAVE_LIBTIRPC */
+
+/*
+ * If "-1" is specified in the tv_sec field, use these defaults instead.
+ */
+#define NFSRPC_TIMEOUT_UDP	(3)
+#define NFSRPC_TIMEOUT_TCP	(10)
+
+
+/*
+ * Set up an RPC client for communicating via a AF_LOCAL socket.
+ *
+ * @timeout is initialized upon return
+ *
+ * Returns a pointer to a prepared RPC client if successful; caller
+ * must destroy a non-NULL returned RPC client.  Otherwise NULL, and
+ * rpc_createerr.cf_stat is set to reflect the error.
+ */
+static CLIENT *nfs_get_localclient(const struct sockaddr *sap,
+				   const socklen_t salen,
+				   const rpcprog_t program,
+				   const rpcvers_t version,
+				   struct timeval *timeout)
+{
+#ifdef HAVE_LIBTIRPC
+	struct sockaddr_storage address;
+	const struct netbuf nbuf = {
+		.maxlen		= sizeof(struct sockaddr_un),
+		.len		= (size_t)salen,
+		.buf		= &address,
+	};
+#else
+	(void) salen;
+#endif	/* HAVE_LIBTIRPC */
+	CLIENT *client;
+	int sock;
+
+	sock = socket(AF_LOCAL, SOCK_STREAM, 0);
+	if (sock == -1) {
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		rpc_createerr.cf_error.re_errno = errno;
+		return NULL;
+	}
+
+	if (timeout->tv_sec == -1)
+		timeout->tv_sec = NFSRPC_TIMEOUT_TCP;
+
+#ifdef HAVE_LIBTIRPC
+	memcpy(nbuf.buf, sap, (size_t)salen);
+	client = clnt_vc_create(sock, &nbuf, program, version, 0, 0);
+#else	/* !HAVE_LIBTIRPC */
+	client = clntunix_create((struct sockaddr_un *)sap,
+					program, version, &sock, 0, 0);
+#endif	/* !HAVE_LIBTIRPC */
+	if (client != NULL)
+		CLNT_CONTROL(client, CLSET_FD_CLOSE, NULL);
+	else
+		(void)close(sock);
+
+	return client;
+}
+
+#ifdef HAVE_LIBTIRPC
+
+/*
+ * Bind a socket using an unused privileged source port.
+ *
+ * Returns zero on success, or returns -1 on error.  errno is
+ * set to reflect the nature of the error.
+ */
+static int nfs_bindresvport(const int sock, const sa_family_t family)
+{
+	struct sockaddr_in sin = {
+		.sin_family		= AF_INET,
+		.sin_addr.s_addr	= htonl(INADDR_ANY),
+	};
+	struct sockaddr_in6 sin6 = {
+		.sin6_family		= AF_INET6,
+		.sin6_addr		= IN6ADDR_ANY_INIT,
+	};
+
+	switch (family) {
+	case AF_INET:
+		return bindresvport_sa(sock, (struct sockaddr *)(char *)&sin);
+	case AF_INET6:
+		return bindresvport_sa(sock, (struct sockaddr *)(char *)&sin6);
+	}
+
+	errno = EAFNOSUPPORT;
+	return -1;
+}
+
+#else	/* !HAVE_LIBTIRPC */
+
+/*
+ * Bind a socket using an unused privileged source port.
+ *
+ * Returns zero on success, or returns -1 on error.  errno is
+ * set to reflect the nature of the error.
+ */
+static int nfs_bindresvport(const int sock, const sa_family_t family)
+{
+	if (family != AF_INET) {
+		errno = EAFNOSUPPORT;
+		return -1;
+	}
+
+	return bindresvport(sock, NULL);
+}
+
+#endif	/* !HAVE_LIBTIRPC */
+
+/*
+ * Perform a non-blocking connect on the socket fd.
+ *
+ * @timeout is modified to contain the time remaining (i.e. time provided
+ * minus time elasped).
+ *
+ * Returns zero on success, or returns -1 on error.  errno is
+ * set to reflect the nature of the error.
+ */
+static int nfs_connect_nb(const int fd, const struct sockaddr *sap,
+			  const socklen_t salen, struct timeval *timeout)
+{
+	int flags, ret;
+	fd_set rset;
+
+	flags = fcntl(fd, F_GETFL, 0);
+	if (flags < 0)
+		return -1;
+
+	ret = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+	if (ret < 0)
+		return -1;
+
+	/*
+	 * From here on subsequent sys calls could change errno so
+	 * we set ret = -errno to capture it in case we decide to
+	 * use it later.
+	 */
+	ret = connect(fd, sap, salen);
+	if (ret < 0 && errno != EINPROGRESS && errno != EINTR) {
+		ret = -1;
+		goto done;
+	}
+
+	if (ret == 0)
+		goto done;
+
+	/* now wait */
+	FD_ZERO(&rset);
+	FD_SET(fd, &rset);
+
+	while ((ret = select(fd + 1, NULL, &rset, NULL, timeout)) < 0) {
+		if (errno != EINTR) {
+			ret = -1;
+			goto done;
+		} else {
+			continue;
+		}
+	}
+	if (ret == 0) {
+		errno = ETIMEDOUT;
+		ret = -1;
+		goto done;
+	}
+
+	if (FD_ISSET(fd, &rset)) {
+		int status;
+		socklen_t len = (socklen_t)sizeof(ret);
+
+		status = getsockopt(fd, SOL_SOCKET, SO_ERROR, &ret, &len);
+		if (status < 0) {
+			ret = -1;
+			goto done;
+		}
+
+		/* Oops - something wrong with connect */
+		if (ret != 0) {
+			errno = ret;
+			ret = -1;
+		}
+	}
+
+done:
+	(void)fcntl(fd, F_SETFL, flags);
+	return ret;
+}
+
+/*
+ * Set up an RPC client for communicating via a datagram socket.
+ * A connected UDP socket is used to detect a missing remote
+ * listener as quickly as possible.
+ *
+ * @timeout is initialized upon return
+ *
+ * Returns a pointer to a prepared RPC client if successful; caller
+ * must destroy a non-NULL returned RPC client.  Otherwise NULL, and
+ * rpc_createerr.cf_stat is set to reflect the error.
+ */
+static CLIENT *nfs_get_udpclient(const struct sockaddr *sap,
+				 const socklen_t salen,
+				 const rpcprog_t program,
+				 const rpcvers_t version,
+				 struct timeval *timeout,
+				 const int resvport)
+{
+	CLIENT *client;
+	int ret = 0;
+	int sock = 0;
+#ifdef HAVE_LIBTIRPC
+	struct sockaddr_storage address;
+	const struct netbuf nbuf = {
+		.maxlen		= salen,
+		.len		= salen,
+		.buf		= &address,
+	};
+
+#else	/* !HAVE_LIBTIRPC */
+
+	if (sap->sa_family != AF_INET) {
+		rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+		return NULL;
+	}
+#endif	/* !HAVE_LIBTIRPC */
+
+	sock = socket((int)sap->sa_family, SOCK_DGRAM, IPPROTO_UDP);
+	if (sock == -1) {
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		rpc_createerr.cf_error.re_errno = errno;
+		return NULL;
+	}
+
+	if (resvport) {
+		ret = nfs_bindresvport(sock, sap->sa_family);
+
+		if (ret < 0) {
+			rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+			rpc_createerr.cf_error.re_errno = errno;
+			(void)close(sock);
+			return NULL;
+		}
+	}
+
+	if (timeout->tv_sec == -1)
+		timeout->tv_sec = NFSRPC_TIMEOUT_UDP;
+
+	ret = nfs_connect_nb(sock, sap, salen, timeout);
+	if (ret != 0) {
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		rpc_createerr.cf_error.re_errno = errno;
+		(void)close(sock);
+		return NULL;
+	}
+
+#ifdef HAVE_LIBTIRPC
+	memcpy(nbuf.buf, sap, (size_t)salen);
+	client = clnt_dg_create(sock, &nbuf, program, version, 0, 0);
+#else	/* !HAVE_LIBTIRPC */
+	client = clntudp_create((struct sockaddr_in *)sap, program,
+					version, *timeout, &sock);
+#endif	/* !HAVE_LIBTIRPC */
+	if (client != NULL) {
+		struct timeval retry_timeout = { 1, 0 };
+		CLNT_CONTROL(client, CLSET_RETRY_TIMEOUT,
+						(char *)&retry_timeout);
+		CLNT_CONTROL(client, CLSET_FD_CLOSE, NULL);
+	} else
+		(void)close(sock);
+
+	return client;
+}
+
+/*
+ * Set up and connect an RPC client for communicating via a stream socket.
+ *
+ * @timeout is initialized upon return
+ *
+ * Returns a pointer to a prepared and connected RPC client if
+ * successful; caller must destroy a non-NULL returned RPC client.
+ * Otherwise NULL, and rpc_createerr.cf_stat is set to reflect the
+ * error.
+ */
+static CLIENT *nfs_get_tcpclient(const struct sockaddr *sap,
+				 const socklen_t salen,
+				 const rpcprog_t program,
+				 const rpcvers_t version,
+				 struct timeval *timeout,
+				 const int resvport)
+{
+	CLIENT *client;
+	int ret = 0;
+	int sock = 0;
+#ifdef HAVE_LIBTIRPC
+	struct sockaddr_storage address;
+	const struct netbuf nbuf = {
+		.maxlen		= salen,
+		.len		= salen,
+		.buf		= &address,
+	};
+
+#else	/* !HAVE_LIBTIRPC */
+
+	if (sap->sa_family != AF_INET) {
+		rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+		return NULL;
+	}
+#endif	/* !HAVE_LIBTIRPC */
+
+	sock = socket((int)sap->sa_family, SOCK_STREAM, IPPROTO_TCP);
+	if (sock == -1) {
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		rpc_createerr.cf_error.re_errno = errno;
+		return NULL;
+	}
+
+	if (resvport) {
+		ret = nfs_bindresvport(sock, sap->sa_family);
+
+		if (ret < 0) {
+			rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+			rpc_createerr.cf_error.re_errno = errno;
+			(void)close(sock);
+			return NULL;
+		}
+	}
+
+	if (timeout->tv_sec == -1)
+		timeout->tv_sec = NFSRPC_TIMEOUT_TCP;
+
+	ret = nfs_connect_nb(sock, sap, salen, timeout);
+	if (ret != 0) {
+		rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+		rpc_createerr.cf_error.re_errno = errno;
+		(void)close(sock);
+		return NULL;
+	}
+
+#ifdef HAVE_LIBTIRPC
+	memcpy(nbuf.buf, sap, (size_t)salen);
+	client = clnt_vc_create(sock, &nbuf, program, version, 0, 0);
+#else	/* !HAVE_LIBTIRPC */
+	client = clnttcp_create((struct sockaddr_in *)sap,
+					program, version, &sock, 0, 0);
+#endif	/* !HAVE_LIBTIRPC */
+	if (client != NULL)
+		CLNT_CONTROL(client, CLSET_FD_CLOSE, NULL);
+	else
+		(void)close(sock);
+
+	return client;
+}
+
+/**
+ * nfs_get_rpcclient - acquire an RPC client
+ * @sap: pointer to socket address of RPC server
+ * @salen: length of socket address
+ * @transport: IPPROTO_ value of transport protocol to use
+ * @program: RPC program number
+ * @version: RPC version number
+ * @timeout: pointer to request timeout (must not be NULL)
+ *
+ * Set up an RPC client for communicating with an RPC program @program
+ * and @version on the server @sap over @transport.  An unprivileged
+ * source port is used.
+ *
+ * Returns a pointer to a prepared RPC client if successful, and
+ * @timeout is initialized; caller must destroy a non-NULL returned RPC
+ * client.  Otherwise returns NULL, and rpc_createerr.cf_stat is set to
+ * reflect the error.
+ */
+CLIENT *nfs_get_rpcclient(const struct sockaddr *sap,
+			  const socklen_t salen,
+			  const unsigned short transport,
+			  const rpcprog_t program,
+			  const rpcvers_t version,
+			  struct timeval *timeout)
+{
+	nfs_clear_rpc_createerr();
+
+	switch (sap->sa_family) {
+	case AF_LOCAL:
+		return nfs_get_localclient(sap, salen, program,
+						version, timeout);
+	case AF_INET:
+	case AF_INET6:
+		if (nfs_get_port(sap) == 0) {
+			rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
+			return NULL;
+		}
+		break;
+	default:
+		rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
+		return NULL;
+	}
+
+	switch (transport) {
+	case IPPROTO_TCP:
+		return nfs_get_tcpclient(sap, salen, program, version,
+						timeout, 0);
+	case 0:
+	case IPPROTO_UDP:
+		return nfs_get_udpclient(sap, salen, program, version,
+						timeout, 0);
+	}
+
+	rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+	return NULL;
+}
+
+/**
+ * nfs_get_priv_rpcclient - acquire an RPC client
+ * @sap: pointer to socket address of RPC server
+ * @salen: length of socket address
+ * @transport: IPPROTO_ value of transport protocol to use
+ * @program: RPC program number
+ * @version: RPC version number
+ * @timeout: pointer to request timeout (must not be NULL)
+ *
+ * Set up an RPC client for communicating with an RPC program @program
+ * and @version on the server @sap over @transport.  A privileged
+ * source port is used.
+ *
+ * Returns a pointer to a prepared RPC client if successful, and
+ * @timeout is initialized; caller must destroy a non-NULL returned RPC
+ * client.  Otherwise returns NULL, and rpc_createerr.cf_stat is set to
+ * reflect the error.
+ */
+CLIENT *nfs_get_priv_rpcclient(const struct sockaddr *sap,
+			       const socklen_t salen,
+			       const unsigned short transport,
+			       const rpcprog_t program,
+			       const rpcvers_t version,
+			       struct timeval *timeout)
+{
+	nfs_clear_rpc_createerr();
+
+	switch (sap->sa_family) {
+	case AF_LOCAL:
+		return nfs_get_localclient(sap, salen, program,
+						version, timeout);
+	case AF_INET:
+	case AF_INET6:
+		if (nfs_get_port(sap) == 0) {
+			rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
+			return NULL;
+		}
+		break;
+	default:
+		rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
+		return NULL;
+	}
+
+	switch (transport) {
+	case IPPROTO_TCP:
+		return nfs_get_tcpclient(sap, salen, program, version,
+						timeout, 1);
+	case 0:
+	case IPPROTO_UDP:
+		return nfs_get_udpclient(sap, salen, program, version,
+						timeout, 1);
+	}
+
+	rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
+	return NULL;
+}
+
+/**
+ * nfs_getrpcbyname - convert an RPC program name to a rpcprog_t
+ * @program: default program number to use if names not found in db
+ * @table: pointer to table of 'char *' names to try to find
+ *
+ * Returns program number of first name to be successfully looked
+ * up, or the default program number if all lookups fail.
+ */
+rpcprog_t nfs_getrpcbyname(const rpcprog_t program, const char *table[])
+{
+#ifdef HAVE_GETRPCBYNAME
+	struct rpcent *entry;
+	unsigned int i;
+
+	if (table != NULL)
+		for (i = 0; table[i] != NULL; i++) {
+			entry = getrpcbyname(table[i]);
+			if (entry)
+				return (rpcprog_t)entry->r_number;
+		}
+#endif	/* HAVE_GETRPCBYNAME */
+
+	return program;
+}
+
+/*
+ * AUTH_SYS doesn't allow more than 16 gids in the supplemental group list.
+ * If there are more than that, trying to determine which ones to include
+ * in the list is problematic. This function creates an auth handle that
+ * only has the primary gid in the supplemental gids list. It's intended to
+ * be used for protocols where credentials really don't matter much (the MNT
+ * protocol, for instance).
+ */
+AUTH *
+nfs_authsys_create(void)
+{
+	char machname[MAXHOSTNAMELEN + 1];
+	uid_t	uid = geteuid();
+	gid_t	gid = getegid();
+
+	if (gethostname(machname, sizeof(machname)) == -1)
+		return NULL;
+
+	return authunix_create(machname, uid, gid, 1, &gid);
+}
diff --git a/support/nfs/rpcdispatch.c b/support/nfs/rpcdispatch.c
new file mode 100644
index 0000000..7329f41
--- /dev/null
+++ b/support/nfs/rpcdispatch.c
@@ -0,0 +1,69 @@
+/*
+ * support/nfs/rcpdispatch.c
+ *
+ * Generic RPC dispatcher.
+ *
+ * Copyright (C) 1995, 1996, Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+#include <signal.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <string.h>
+#include "rpcmisc.h"
+#include "xlog.h"
+
+void
+rpc_dispatch(struct svc_req *rqstp, SVCXPRT *transp,
+			struct rpc_dtable *dtable, int nvers,
+			void *argp, void *resp)
+{
+	struct rpc_dentry	*dent;
+	int rq_vers = (int)rqstp->rq_vers;
+
+	if (rq_vers < 1 || rq_vers > nvers) {
+		svcerr_progvers(transp, 1, nvers);
+		return;
+	}
+	dtable += (rq_vers - 1);
+	if (rqstp->rq_proc > dtable->nproc) {
+		svcerr_noproc(transp);
+		return;
+	}
+
+	if (dtable->nproc <= rqstp->rq_proc) {
+		svcerr_noproc(transp);
+		return;
+	}
+
+	dent = dtable->entries + rqstp->rq_proc;
+
+	if (dent->func == NULL) {
+		svcerr_noproc(transp);
+		return;
+	}
+
+	memset(argp, 0, dent->xdr_arg_size);
+	memset(resp, 0, dent->xdr_res_size);
+
+	if (!svc_getargs(transp, dent->xdr_arg_fn, argp)) {
+		svcerr_decode(transp);
+		return;
+	}
+
+	if ((dent->func)(rqstp, argp, resp) && resp != 0) {
+		if (!svc_sendreply(transp, dent->xdr_res_fn, (caddr_t)resp)) 
+			svcerr_systemerr(transp);
+	}
+	if (!svc_freeargs(transp, dent->xdr_arg_fn, argp)) {
+		xlog(L_ERROR, "failed to free RPC arguments");
+		exit (2);
+	}
+}
diff --git a/support/nfs/rpcmisc.c b/support/nfs/rpcmisc.c
new file mode 100644
index 0000000..d84c04f
--- /dev/null
+++ b/support/nfs/rpcmisc.c
@@ -0,0 +1,213 @@
+/*
+ * Miscellaneous functions for RPC service startup and shutdown.
+ *
+ * This code is partially snarfed from rpcgen -s tcp -s udp,
+ * partly written by Mark Shand, Donald Becker, and Rick
+ * Sladkey. It was tweaked slightly by Olaf Kirch to be
+ * usable by both unfsd and mountd.
+ *
+ * This software may be used for any purpose provided
+ * the above copyright notice is retained.  It is supplied
+ * as is, with no warranty expressed or implied.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <memory.h>
+#include <errno.h>
+#include <unistd.h>
+#include <time.h>
+#include "nfslib.h"
+#include "rpcmisc.h"
+
+#if SIZEOF_SOCKLEN_T - 0 == 0
+#define socklen_t int
+#endif
+
+#define _RPCSVC_CLOSEDOWN	120
+int	_rpcpmstart = 0;
+unsigned int _rpcprotobits = (NFSCTL_UDPBIT|NFSCTL_TCPBIT);
+int	_rpcsvcdirty = 0;
+
+static void
+closedown(int sig)
+{
+	(void) signal(sig, closedown);
+
+	if (_rpcsvcdirty == 0) {
+		static int size;
+		int i, openfd;
+
+		if (NFSCTL_TCPISSET(_rpcprotobits) == 0)
+			exit(0);
+
+		if (size == 0)
+			size = getdtablesize();
+
+		for (i = 0, openfd = 0; i < size && openfd < 2; i++)
+			if (FD_ISSET(i, &svc_fdset))
+				openfd++;
+		if (openfd <= 1)
+			exit(0);
+	}
+
+	(void) alarm(_RPCSVC_CLOSEDOWN);
+}
+
+/*
+ * Create listener socket for a given port
+ *
+ * Return an open network socket on success; otherwise return -1
+ * if some error occurs.
+ */
+static int
+makesock(int port, int proto)
+{
+	struct sockaddr_in sin;
+	int	sock, sock_type, val;
+
+	sock_type = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
+	sock = socket(AF_INET, sock_type, proto);
+	if (sock < 0) {
+		xlog(L_FATAL, "Could not make a socket: %s",
+					strerror(errno));
+		return -1;
+	}
+	memset((char *) &sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(INADDR_ANY);
+	sin.sin_port = htons(port);
+
+	val = 1;
+	if (proto == IPPROTO_TCP)
+		if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
+			       &val, sizeof(val)) < 0)
+			xlog(L_ERROR, "setsockopt failed: %s",
+			     strerror(errno));
+
+	if (bind(sock, (struct sockaddr *) &sin, sizeof(sin)) == -1) {
+		xlog(L_FATAL, "Could not bind name to socket: %s",
+					strerror(errno));
+		close(sock);
+		return -1;
+	}
+
+	return svcsock_nonblock(sock);
+}
+
+void
+rpc_init(char *name, int prog, int vers,
+	 void (*dispatch)(struct svc_req *, register SVCXPRT *),
+	 int defport)
+{
+	struct sockaddr_in saddr;
+	SVCXPRT	*transp;
+	int	sock;
+	socklen_t asize;
+
+	asize = sizeof(saddr);
+	sock = 0;
+	if (getsockname(0, (struct sockaddr *) &saddr, &asize) == 0
+	    && saddr.sin_family == AF_INET) {
+		socklen_t ssize = sizeof(int);
+		int fdtype = 0;
+		if (getsockopt(0, SOL_SOCKET, SO_TYPE,
+				(char *)&fdtype, &ssize) == -1)
+			xlog(L_FATAL, "getsockopt failed: %s", strerror(errno));
+		/* inetd passes a UDP socket or a listening TCP socket.
+		 * listen will fail on a connected TCP socket(passed by rsh).
+		 */
+		if (!(fdtype == SOCK_STREAM && listen(0,5) == -1)) {
+			switch(fdtype) {
+			case SOCK_DGRAM:
+				NFSCTL_UDPSET(_rpcprotobits);
+				break;
+			case SOCK_STREAM:
+				NFSCTL_TCPSET(_rpcprotobits);
+				break;
+			default:
+				xlog(L_FATAL, "getsockopt returns bad socket type: %d", fdtype);
+			}
+			_rpcpmstart = 1;
+		}
+	}
+	if (!_rpcpmstart) {
+		pmap_unset(prog, vers);
+		sock = RPC_ANYSOCK;
+	}
+
+	if (NFSCTL_UDPISSET(_rpcprotobits)) {
+		static SVCXPRT *last_transp = NULL;
+
+		if (_rpcpmstart == 0) {
+			if (last_transp
+			    && (!defport || defport == last_transp->xp_port)) {
+				transp = last_transp;
+				goto udp_transport;
+			}
+			if (defport == 0)
+				sock = RPC_ANYSOCK;
+			else
+				sock = makesock(defport, IPPROTO_UDP);
+		}
+		if (sock == RPC_ANYSOCK)
+			sock = svcudp_socket (prog);
+		transp = svcudp_create(sock);
+		if (transp == NULL) {
+			xlog(L_FATAL, "cannot create udp service.");
+		}
+      udp_transport:
+		if (!svc_register(transp, prog, vers, dispatch, IPPROTO_UDP)) {
+			xlog(L_FATAL, "unable to register (%s, %d, udp).",
+					name, vers);
+		}
+		last_transp = transp;
+	}
+
+	if (NFSCTL_TCPISSET(_rpcprotobits)) {
+		static SVCXPRT *last_transp = NULL;
+
+		if (_rpcpmstart == 0) {
+			if (last_transp
+			    && (!defport || defport == last_transp->xp_port)) {
+				transp = last_transp;
+				goto tcp_transport;
+			}
+			if (defport == 0)
+				sock = RPC_ANYSOCK;
+			else
+				sock = makesock(defport, IPPROTO_TCP);
+		}
+		if (sock == RPC_ANYSOCK)
+			sock = svctcp_socket (prog, 1);
+		transp = svctcp_create(sock, 0, 0);
+		if (transp == NULL) {
+			xlog(L_FATAL, "cannot create tcp service.");
+		}
+      tcp_transport:
+		if (!svc_register(transp, prog, vers, dispatch, IPPROTO_TCP)) {
+			xlog(L_FATAL, "unable to register (%s, %d, tcp).",
+					name, vers);
+		}
+		last_transp = transp;
+	}
+
+	if (_rpcpmstart) {
+		signal(SIGALRM, closedown);
+		alarm(_RPCSVC_CLOSEDOWN);
+	}
+}
diff --git a/support/nfs/strlcat.c b/support/nfs/strlcat.c
new file mode 100644
index 0000000..0edee14
--- /dev/null
+++ b/support/nfs/strlcat.c
@@ -0,0 +1,78 @@
+/*	$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $	*/
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "nfslib.h"
+
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left).  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst,
+	const char *src,
+	size_t siz)
+{
+	register char *d = dst;
+	register const char *s = src;
+	register size_t n = siz;
+	size_t dlen;
+
+	/* Find the end of dst and adjust bytes left but don't go past end */
+	while (n-- != 0 && *d != '\0')
+		d++;
+	dlen = d - dst;
+	n = siz - dlen;
+
+	if (n == 0)
+		return(dlen + strlen(s));
+	while (*s != '\0') {
+		if (n != 1) {
+			*d++ = *s;
+			n--;
+		}
+		s++;
+	}
+	*d = '\0';
+
+	return(dlen + (s - src));	/* count does not include NUL */
+}
diff --git a/support/nfs/strlcpy.c b/support/nfs/strlcpy.c
new file mode 100644
index 0000000..23e3ae9
--- /dev/null
+++ b/support/nfs/strlcpy.c
@@ -0,0 +1,74 @@
+/*	$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $	*/
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "nfslib.h"
+
+/*
+ * Copy src to string dst of size siz.  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst,
+	const char *src,
+	size_t siz)
+{
+	register char *d = dst;
+	register const char *s = src;
+	register size_t n = siz;
+
+	/* Copy as many bytes as will fit */
+	if (n != 0 && --n != 0) {
+		do {
+			if ((*d++ = *s++) == 0)
+				break;
+		} while (--n != 0);
+	}
+
+	/* Not enough room in dst, add NUL and traverse rest of src */
+	if (n == 0) {
+		if (siz != 0)
+			*d = '\0';		/* NUL-terminate dst */
+		while (*s++)
+			;
+	}
+
+	return(s - src - 1);	/* count does not include NUL */
+}
diff --git a/support/nfs/svc_create.c b/support/nfs/svc_create.c
new file mode 100644
index 0000000..976c2d2
--- /dev/null
+++ b/support/nfs/svc_create.c
@@ -0,0 +1,525 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <memory.h>
+#include <signal.h>
+#include <unistd.h>
+#include <errno.h>
+#include <netdb.h>
+#include "nfslib.h"
+
+#include <netinet/in.h>
+
+#include <sys/socket.h>
+#include <sys/resource.h>
+
+#include <rpc/rpc.h>
+#include <rpc/svc.h>
+
+#ifdef HAVE_TCP_WRAPPER
+#include "tcpwrapper.h"
+#endif
+
+#include "sockaddr.h"
+#include "rpcmisc.h"
+#include "xlog.h"
+
+#ifdef HAVE_LIBTIRPC
+
+#include <rpc/rpc_com.h>
+
+#define SVC_CREATE_XPRT_CACHE_SIZE	(8)
+static SVCXPRT *svc_create_xprt_cache[SVC_CREATE_XPRT_CACHE_SIZE] = { NULL, };
+
+/*
+ * Cache an SVC xprt, in case there are more programs or versions to
+ * register against it.
+ */
+static void
+svc_create_cache_xprt(SVCXPRT *xprt)
+{
+	unsigned int i;
+
+	/* Check if we've already got this one... */
+	for (i = 0; i < SVC_CREATE_XPRT_CACHE_SIZE; i++)
+		if (svc_create_xprt_cache[i] == xprt)
+			return;
+
+	/* No, we don't.  Cache it. */
+	for (i = 0; i < SVC_CREATE_XPRT_CACHE_SIZE; i++)
+		if (svc_create_xprt_cache[i] == NULL) {
+			svc_create_xprt_cache[i] = xprt;
+			return;
+		}
+
+	xlog(L_ERROR, "%s: Failed to cache an xprt", __func__);
+}
+
+/*
+ * Find a previously cached SVC xprt structure with the given bind address
+ * and transport semantics.
+ *
+ * Returns pointer to a cached SVC xprt.
+ *
+ * If no matching SVC XPRT can be found, NULL is returned.
+ */
+static SVCXPRT *
+svc_create_find_xprt(const struct sockaddr *bindaddr, const struct netconfig *nconf)
+{
+	unsigned int i;
+
+	for (i = 0; i < SVC_CREATE_XPRT_CACHE_SIZE; i++) {
+		SVCXPRT *xprt = svc_create_xprt_cache[i];
+		struct sockaddr *sap;
+
+		if (xprt == NULL)
+			continue;
+		if (strcmp(nconf->nc_netid, xprt->xp_netid) != 0)
+			continue;
+		sap = (struct sockaddr *)xprt->xp_ltaddr.buf;
+		if (!nfs_compare_sockaddr(bindaddr, sap))
+			continue;
+		return xprt;
+	}
+	return NULL;
+}
+
+/*
+ * Set up an appropriate bind address, given @port and @nconf.
+ *
+ * Returns getaddrinfo(3) results if successful.  Caller must
+ * invoke freeaddrinfo(3) on these results.
+ *
+ * Otherwise NULL is returned if an error occurs.
+ */
+__attribute__((__malloc__))
+static struct addrinfo *
+svc_create_bindaddr(struct netconfig *nconf, const uint16_t port)
+{
+	struct addrinfo *ai = NULL;
+	struct addrinfo hint = {
+		.ai_flags	= AI_PASSIVE | AI_NUMERICSERV,
+	};
+	char buf[8];
+	int error;
+
+	if (strcmp(nconf->nc_protofmly, NC_INET) == 0)
+		hint.ai_family = AF_INET;
+#ifdef IPV6_SUPPORTED
+	else if (strcmp(nconf->nc_protofmly, NC_INET6) == 0)
+		hint.ai_family = AF_INET6;
+#endif	/* IPV6_SUPPORTED */
+	else {
+		xlog(L_ERROR, "Unrecognized bind address family: %s",
+			nconf->nc_protofmly);
+		return NULL;
+	}
+
+	if (strcmp(nconf->nc_proto, NC_UDP) == 0)
+		hint.ai_protocol = (int)IPPROTO_UDP;
+	else if (strcmp(nconf->nc_proto, NC_TCP) == 0)
+		hint.ai_protocol = (int)IPPROTO_TCP;
+	else {
+		xlog(L_ERROR, "Unrecognized bind address protocol: %s",
+			nconf->nc_proto);
+		return NULL;
+	}
+
+	(void)snprintf(buf, sizeof(buf), "%u", port);
+	error = getaddrinfo(NULL, buf, &hint, &ai);
+	if (error != 0) {
+		xlog(L_ERROR, "Failed to construct bind address: %s",
+			gai_strerror(error));
+		return NULL;
+	}
+
+	return ai;
+}
+
+/*
+ * Create a listener socket on a specific bindaddr, and set
+ * special socket options to allow it to share the same port
+ * as other listeners.
+ *
+ * Returns an open, bound, and possibly listening network
+ * socket on success.
+ *
+ * Otherwise returns -1 if some error occurs.
+ */
+static int
+svc_create_sock(const struct sockaddr *sap, socklen_t salen,
+		struct netconfig *nconf)
+{
+	int fd, type, protocol;
+	int one = 1;
+
+	switch(nconf->nc_semantics) {
+	case NC_TPI_CLTS:
+		type = SOCK_DGRAM;
+		break;
+	case NC_TPI_COTS_ORD:
+		type = SOCK_STREAM;
+		break;
+	default:
+		xlog(D_GENERAL, "%s: Unrecognized bind address semantics: %lu",
+			__func__, nconf->nc_semantics);
+		return -1;
+	}
+
+	if (strcmp(nconf->nc_proto, NC_UDP) == 0)
+		protocol = (int)IPPROTO_UDP;
+	else if (strcmp(nconf->nc_proto, NC_TCP) == 0)
+		protocol = (int)IPPROTO_TCP;
+	else {
+		xlog(D_GENERAL, "%s: Unrecognized bind address protocol: %s",
+			__func__, nconf->nc_proto);
+		return -1;
+	}
+
+	fd = socket((int)sap->sa_family, type, protocol);
+	if (fd == -1) {
+		xlog(L_ERROR, "Could not make a socket: (%d) %m",
+			errno);
+		return -1;
+	}
+
+#ifdef IPV6_SUPPORTED
+	if (sap->sa_family == AF_INET6) {
+		if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY,
+				&one, sizeof(one)) == -1) {
+			xlog(L_ERROR, "Failed to set IPV6_V6ONLY: (%d) %m",
+				errno);
+			(void)close(fd);
+			return -1;
+		}
+	}
+#endif	/* IPV6_SUPPORTED */
+
+	if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
+		       &one, sizeof(one)) == -1) {
+		xlog(L_ERROR, "Failed to set SO_REUSEADDR: (%d) %m",
+			errno);
+		(void)close(fd);
+		return -1;
+	}
+
+	if (bind(fd, sap, salen) == -1) {
+		xlog(L_ERROR, "Could not bind socket: (%d) %m",
+			errno);
+		(void)close(fd);
+		return -1;
+	}
+
+	if (nconf->nc_semantics == NC_TPI_COTS_ORD)
+		if (listen(fd, SOMAXCONN) == -1) {
+			xlog(L_ERROR, "Could not listen on socket: (%d) %m",
+				errno);
+			(void)close(fd);
+			return -1;
+		}
+
+	return fd;
+}
+
+/*
+ * The simple case is allowing the TI-RPC library to create a
+ * transport itself, given just the bind address and transport
+ * semantics.
+ *
+ * Our local xprt cache is ignored in this path, since the
+ * caller is not interested in sharing listeners or ports, and
+ * the library automatically avoids ports already in use.
+ *
+ * Returns the count of started listeners (one or zero).
+ */
+static unsigned int
+svc_create_nconf_rand_port(const char *name, const rpcprog_t program,
+		const rpcvers_t version,
+		void (*dispatch)(struct svc_req *, SVCXPRT *),
+		struct netconfig *nconf)
+{
+	struct t_bind bindaddr;
+	struct addrinfo *ai;
+	SVCXPRT	*xprt;
+
+	ai = svc_create_bindaddr(nconf, 0);
+	if (ai == NULL)
+		return 0;
+
+	bindaddr.addr.buf = ai->ai_addr;
+	bindaddr.qlen = SOMAXCONN;
+
+	xprt = svc_tli_create(RPC_ANYFD, nconf, &bindaddr, 0, 0);
+	nfs_freeaddrinfo(ai);
+	if (xprt == NULL) {
+		xlog(L_ERROR, "Failed to create listener xprt "
+			"(%s, %u, %s)", name, version, nconf->nc_netid);
+		return 0;
+	}
+	if (svcsock_nonblock(xprt->xp_fd) < 0) {
+		/* close() already done by svcsock_nonblock() */
+		xprt->xp_fd = RPC_ANYFD;
+		SVC_DESTROY(xprt);
+		return 0;
+	}
+
+	rpc_createerr.cf_stat = rpc_createerr.cf_error.re_errno = 0;
+	if (!svc_reg(xprt, program, version, dispatch, nconf)) {
+		/* svc_reg(3) destroys @xprt in this case */
+		xlog(L_ERROR, "Failed to register (%s, %u, %s): %s",
+				name, version, nconf->nc_netid, 
+				clnt_spcreateerror("svc_reg() err"));
+		return 0;
+	}
+
+	return 1;
+}
+
+/*
+ * If a port is specified on the command line, that port value will be
+ * the same for all listeners created here.  Create each listener
+ * socket in advance and set SO_REUSEADDR, rather than allowing the
+ * RPC library to create the listeners for us on a randomly chosen
+ * port via svc_tli_create(RPC_ANYFD).
+ *
+ * Some callers want to listen for more than one RPC version using the
+ * same port number.  For example, mountd could want to listen for MNT
+ * version 1, 2, and 3 requests.  This means mountd must use the same
+ * set of listener sockets for multiple RPC versions, since, on one
+ * system, you can't have two listener sockets with the exact same
+ * bind address (and port) and transport protocol.
+ *
+ * To accomplish this, this function caches xprts as they are created.
+ * This cache is checked to see if a previously created xprt can be
+ * used, before creating a new xprt for this [program, version].  If
+ * there is a cached xprt with the same bindaddr and transport
+ * semantics, we simply register the new version with that xprt,
+ * rather than creating a fresh xprt for it.
+ *
+ * The xprt cache implemented here is local to a process.  Two
+ * separate RPC daemons can not share a set of listeners.
+ *
+ * Returns the count of started listeners (one or zero).
+ */
+static unsigned int
+svc_create_nconf_fixed_port(const char *name, const rpcprog_t program,
+		const rpcvers_t version,
+		void (*dispatch)(struct svc_req *, SVCXPRT *),
+		const uint16_t port, struct netconfig *nconf)
+{
+	struct addrinfo *ai;
+	SVCXPRT	*xprt;
+
+	ai = svc_create_bindaddr(nconf, port);
+	if (ai == NULL)
+		return 0;
+
+	xprt = svc_create_find_xprt(ai->ai_addr, nconf);
+	if (xprt == NULL) {
+		int fd;
+
+		fd = svc_create_sock(ai->ai_addr, ai->ai_addrlen, nconf);
+		fd = svcsock_nonblock(fd);
+		if (fd == -1)
+			goto out_free;
+
+		xprt = svc_tli_create(fd, nconf, NULL, 0, 0);
+		if (xprt == NULL) {
+			xlog(D_GENERAL, "Failed to create listener xprt "
+				"(%s, %u, %s)", name, version, nconf->nc_netid);
+			(void)close(fd);
+			goto out_free;
+		}
+	}
+
+	if (!svc_reg(xprt, program, version, dispatch, nconf)) {
+		/* svc_reg(3) destroys @xprt in this case */
+		xlog(D_GENERAL, "Failed to register (%s, %u, %s)",
+				name, version, nconf->nc_netid);
+		goto out_free;
+	}
+
+	svc_create_cache_xprt(xprt);
+
+	nfs_freeaddrinfo(ai);
+	return 1;
+
+out_free:
+	nfs_freeaddrinfo(ai);
+	return 0;
+}
+
+static unsigned int
+svc_create_nconf(const char *name, const rpcprog_t program,
+		const rpcvers_t version,
+		void (*dispatch)(struct svc_req *, SVCXPRT *),
+		const uint16_t port, struct netconfig *nconf)
+{
+	if (port != 0)
+		return svc_create_nconf_fixed_port(name, program,
+			version, dispatch, port, nconf);
+
+	return svc_create_nconf_rand_port(name, program,
+			version, dispatch, nconf);
+}
+
+/**
+ * nfs_svc_create - start up RPC svc listeners
+ * @name: C string containing name of new service
+ * @program: RPC program number to register
+ * @version: RPC version number to register
+ * @dispatch: address of function that handles incoming RPC requests
+ * @port: if not zero, transport listens on this port
+ *
+ * Sets up network transports for receiving RPC requests, and starts
+ * the RPC dispatcher.  Returns the number of started network transports.
+ */
+unsigned int
+nfs_svc_create(char *name, const rpcprog_t program, const rpcvers_t version,
+		void (*dispatch)(struct svc_req *, SVCXPRT *),
+		const uint16_t port)
+{
+	const struct sigaction create_sigaction = {
+		.sa_handler	= SIG_IGN,
+	};
+	int maxrec = RPC_MAXDATASIZE;
+	unsigned int visible, up, servport;
+	struct netconfig *nconf;
+	void *handlep;
+
+	/*
+	 * Ignore SIGPIPE to avoid exiting sideways when peers
+	 * close their TCP connection while we're trying to reply
+	 * to them.
+	 */
+	(void)sigaction(SIGPIPE, &create_sigaction, NULL);
+
+	/*
+	 * Setting MAXREC also enables non-blocking mode for tcp connections.
+	 * This avoids DOS attacks by a client sending many requests but never
+	 * reading the reply:
+	 * - if a second request already is present for reading in the socket,
+	 *   after the first request just was read, libtirpc will break the
+	 *   connection. Thus an attacker can't simply send requests as fast as
+	 *   he can without waiting for the response.
+	 * - if the write buffer of the socket is full, the next write() will
+	 *   fail with EAGAIN. libtirpc will retry the write in a loop for max.
+	 *   2 seconds. If write still fails, the connection will be closed.
+	 */   
+	rpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec);
+
+	handlep = setnetconfig();
+	if (handlep == NULL) {
+		xlog(L_ERROR, "Failed to access local netconfig database: %s",
+			nc_sperror());
+		return 0;
+	}
+
+	visible = 0;
+	up = 0;
+	while ((nconf = getnetconfig(handlep)) != NULL) {
+		if (!(nconf->nc_flag & NC_VISIBLE))
+			continue;
+		visible++;
+
+		if (!strcmp(nconf->nc_proto, NC_UDP) && !NFSCTL_UDPISSET(_rpcprotobits))
+			continue;
+
+		if (!strcmp(nconf->nc_proto, NC_TCP) && !NFSCTL_TCPISSET(_rpcprotobits))
+			continue;
+
+		if (port == 0)
+			servport = getservport(program, nconf->nc_proto);
+		else
+			servport = port;
+
+		up += svc_create_nconf(name, program, version, dispatch,
+						servport, nconf);
+	}
+
+	if (visible == 0)
+		xlog(L_ERROR, "Failed to find any visible netconfig entries");
+
+	if (endnetconfig(handlep) == -1)
+		xlog(L_ERROR, "Failed to close local netconfig database: %s",
+			nc_sperror());
+
+	return up;
+}
+
+/**
+ * nfs_svc_unregister - remove service registrations from local rpcbind database
+ * @program: RPC program number to unregister
+ * @version: RPC version number to unregister
+ *
+ * Removes all registrations for [ @program, @version ] .
+ */
+void
+nfs_svc_unregister(const rpcprog_t program, const rpcvers_t version)
+{
+	if (rpcb_unset(program, version, NULL) == FALSE)
+		xlog(D_GENERAL, "Failed to unregister program %lu, version %lu",
+			(unsigned long)program, (unsigned long)version);
+}
+
+#else	/* !HAVE_LIBTIRPC */
+
+/**
+ * nfs_svc_create - start up RPC svc listeners
+ * @name: C string containing name of new service
+ * @program: RPC program number to register
+ * @version: RPC version number to register
+ * @dispatch: address of function that handles incoming RPC requests
+ * @port: if not zero, transport listens on this port
+ *
+ * Sets up network transports for receiving RPC requests, and starts
+ * the RPC dispatcher.  Returns the number of started network transports.
+ */
+unsigned int
+nfs_svc_create(char *name, const rpcprog_t program, const rpcvers_t version,
+		void (*dispatch)(struct svc_req *, SVCXPRT *),
+		const uint16_t port)
+{
+	rpc_init(name, (int)program, (int)version, dispatch, (int)port);
+	return 1;
+}
+
+/**
+ * nfs_svc_unregister - remove service registrations from local rpcbind database
+ * @program: RPC program number to unregister
+ * @version: RPC version number to unregister
+ *
+ * Removes all registrations for [ @program, @version ] .
+ */
+void
+nfs_svc_unregister(const rpcprog_t program, const rpcvers_t version)
+{
+	if (pmap_unset((unsigned long)program, (unsigned long)version) == FALSE)
+		xlog(D_GENERAL, "Failed to unregister program %lu, version %lu",
+			(unsigned long)program, (unsigned long)version);
+}
+
+#endif	/* !HAVE_LIBTIRPC */
diff --git a/support/nfs/svc_socket.c b/support/nfs/svc_socket.c
new file mode 100644
index 0000000..2e8fe1a
--- /dev/null
+++ b/support/nfs/svc_socket.c
@@ -0,0 +1,218 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 0211-1301 USA */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <rpc/rpc.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+#include <errno.h>
+#include "xlog.h"
+#include "rpcmisc.h"
+#include "nfslib.h"
+
+#include "config.h"
+
+#ifdef _LIBC
+# include <libintl.h>
+#else
+# ifndef _
+#  define _(s)			(s)
+# endif
+# define __socket(d, t, p)	socket ((d), (t), (p))
+# define __close(f)		close ((f))
+#endif
+
+int getservport(u_long number, const char *proto)
+{
+	char servdata[1024];
+	struct rpcent *rpcp;
+	struct servent servbuf, *servp = NULL;
+	int ret = 0;
+#ifdef HAVE_GETRPCBYNUMBER_R
+	char rpcdata[1024];
+	struct rpcent rpcbuf;
+
+	ret = getrpcbynumber_r(number, &rpcbuf, rpcdata, sizeof rpcdata,
+				&rpcp);
+#else
+	rpcp = getrpcbynumber(number);
+#endif
+
+	if (ret == 0 && rpcp != NULL) {
+		/* First try name.  */
+		ret = getservbyname_r(rpcp->r_name, proto, &servbuf, servdata,
+					sizeof servdata, &servp);
+		if ((ret != 0 || servp == NULL) && rpcp->r_aliases) {
+			const char **a;
+
+			/* Then we try aliases.  */
+			for (a = (const char **) rpcp->r_aliases; *a != NULL; a++) {
+				ret = getservbyname_r(*a, proto, &servbuf, servdata,
+							sizeof servdata, &servp);
+				if (ret == 0 && servp != NULL)
+					break;
+			}
+		}
+	}
+
+	if (ret == 0 && servp != NULL)
+		return ntohs(servp->s_port);
+
+	return 0;
+}
+
+int
+svcsock_nonblock(int sock)
+{
+	int flags;
+
+	if (sock < 0)
+		return sock;
+
+	/* This socket might be shared among multiple processes
+	 * if mountd is run multi-threaded.  So it is safest to
+	 * make it non-blocking, else all threads might wake
+	 * one will get the data, and the others will block
+	 * indefinitely.
+	 * In all cases, transaction on this socket are atomic
+	 * (accept for TCP, packet-read and packet-write for UDP)
+	 * so O_NONBLOCK will not confuse unprepared code causing
+	 * it to corrupt messages.
+	 * It generally safest to have O_NONBLOCK when doing an accept
+	 * as if we get a RST after the SYN and before accept runs,
+	 * we can block despite being told there was an acceptable
+	 * connection.
+	 */
+	if ((flags = fcntl(sock, F_GETFL)) < 0)
+		xlog(L_ERROR, "svc_socket: can't get socket flags: %m");
+	else if (fcntl(sock, F_SETFL, flags|O_NONBLOCK) < 0)
+		xlog(L_ERROR, "svc_socket: can't set socket flags: %m");
+	else
+		return sock;
+
+	(void) __close(sock);
+	return -1;
+}
+
+static int
+svc_socket (u_long number, int type, int protocol, int reuse)
+{
+  struct sockaddr_in addr;
+  socklen_t len = sizeof (struct sockaddr_in);
+  int sock, ret;
+  const char *proto = protocol == IPPROTO_TCP ? "tcp" : "udp";
+
+  if ((sock = __socket (AF_INET, type, protocol)) < 0)
+    {
+      xlog(L_ERROR, "svc_socket: socket creation problem: %m");
+      return sock;
+    }
+
+  if (reuse)
+    {
+      ret = 1;
+      ret = setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, &ret,
+			sizeof (ret));
+      if (ret < 0)
+	{
+	  xlog(L_ERROR, "svc_socket: socket reuse problem: %m");
+      (void) __close(sock);
+	  return ret;
+	}
+    }
+
+  memset (&addr, 0, sizeof (addr));
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(getservport(number, proto));
+
+  if (bind(sock, (struct sockaddr *) &addr, len) < 0)
+    {
+      xlog(L_ERROR, "svc_socket: bind problem: %m");
+      (void) __close(sock);
+      sock = -1;
+    }
+
+  return svcsock_nonblock(sock);
+}
+
+/*
+ * Create and bind a TCP socket based on program number
+ */
+int
+svctcp_socket (u_long number, int reuse)
+{
+  return svc_socket (number, SOCK_STREAM, IPPROTO_TCP, reuse);
+}
+
+/*
+ * Create and bind a UDP socket based on program number
+ */
+int
+svcudp_socket (u_long number)
+{
+  return svc_socket (number, SOCK_DGRAM, IPPROTO_UDP, FALSE);
+}
+
+#ifdef TEST
+static int
+check (u_long number, u_short port, int protocol, int reuse)
+{
+  int socket;
+  int result;
+  struct sockaddr_in addr;
+  socklen_t len = sizeof (struct sockaddr_in);
+
+  if (protocol == IPPROTO_TCP)
+    socket = svctcp_socket (number, reuse);
+  else
+    socket = svcudp_socket (number);
+
+  if (socket < 0)
+    return 1;
+
+  result = getsockname (socket, (struct sockaddr *) &addr, &len);
+  if (result == 0)
+    {
+      if (port != 0 && ntohs (addr.sin_port) != port)
+	printf ("Program: %ld, expect port: %d, got: %d\n",
+		number, port, ntohs (addr.sin_port)); 
+      else
+	printf ("Program: %ld, port: %d\n",
+		number, ntohs (addr.sin_port)); 
+    }
+
+  close (socket);
+  return result;
+}
+
+int
+main (void)
+{
+  int result = 0;
+
+  result += check (100001, 0, IPPROTO_TCP, 0);
+  result += check (100001, 0, IPPROTO_UDP, 0);
+  result += check (100003, 2049, IPPROTO_TCP, 1);
+  result += check (100003, 2049, IPPROTO_UDP, 1);
+
+  return result;
+}
+#endif
diff --git a/support/nfs/wildmat.c b/support/nfs/wildmat.c
new file mode 100644
index 0000000..437b2d1
--- /dev/null
+++ b/support/nfs/wildmat.c
@@ -0,0 +1,182 @@
+/*  $Revision: 0.2.18.1 $
+**
+**  Do shell-style pattern matching for ?, \, [], and * characters.
+**  Might not be robust in face of malformed patterns; e.g., "foo[a-"
+**  could cause a segmentation violation.  It is 8bit clean.
+**
+**  Written by Rich $alz, mirror!rs, Wed Nov 26 19:03:17 EST 1986.
+**  Rich $alz is now <rsalz@osf.org>.
+**  April, 1991:  Replaced mutually-recursive calls with in-line code
+**  for the star character.
+**
+**  Special thanks to Lars Mathiesen <thorinn@diku.dk> for the ABORT code.
+**  This can greatly speed up failing wildcard patterns.  For example:
+**	pattern: -*-*-*-*-*-*-12-*-*-*-m-*-*-*
+**	text 1:	 -adobe-courier-bold-o-normal--12-120-75-75-m-70-iso8859-1
+**	text 2:	 -adobe-courier-bold-o-normal--12-120-75-75-X-70-iso8859-1
+**  Text 1 matches with 51 calls, while text 2 fails with 54 calls.  Without
+**  the ABORT code, it takes 22310 calls to fail.  Ugh.  The following
+**  explanation is from Lars:
+**  The precondition that must be fulfilled is that DoMatch will consume
+**  at least one character in text.  This is true if *p is neither '*' nor
+**  '\0'.)  The last return has ABORT instead of FALSE to avoid quadratic
+**  behaviour in cases like pattern "*a*b*c*d" with text "abcxxxxx".  With
+**  FALSE, each star-loop has to run to the end of the text; with ABORT
+**  only the last one does.
+**
+**  Once the control of one instance of DoMatch enters the star-loop, that
+**  instance will return either TRUE or ABORT, and any calling instance
+**  will therefore return immediately after (without calling recursively
+**  again).  In effect, only one star-loop is ever active.  It would be
+**  possible to modify the code to maintain this context explicitly,
+**  eliminating all recursive calls at the cost of some complication and
+**  loss of clarity (and the ABORT stuff seems to be unclear enough by
+**  itself).  I think it would be unwise to try to get this into a
+**  released version unless you have a good test data base to try it out
+**  on.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include "nfslib.h"
+
+#ifndef TRUE
+#define TRUE			1
+#endif
+
+#ifndef FALSE
+#define FALSE			0
+#endif
+
+#define ABORT			-1
+
+
+    /* What character marks an inverted character class? */
+#define NEGATE_CLASS		'^'
+    /* Is "*" a common pattern? */
+#define OPTIMIZE_JUST_STAR
+    /* Do tar(1) matching rules, which ignore a trailing slash? */
+#undef MATCH_TAR_PATTERN
+
+
+/*
+**  Match text and p, return TRUE, FALSE, or ABORT.
+*/
+static int
+DoMatch(char *text, char *p)
+{
+    register int	last;
+    register int	matched;
+    register int	reverse;
+
+    for ( ; *p; text++, p++) {
+	if (*text == '\0' && *p != '*')
+	    return ABORT;
+	switch (*p) {
+	case '\\':
+	    /* Literal match with following character. */
+	    p++;
+	    /* FALLTHROUGH */
+	default:
+	    if (toupper (*text) != toupper (*p))
+		return FALSE;
+	    continue;
+	case '?':
+	    /* Match anything. */
+	    continue;
+	case '*':
+	    while (*++p == '*')
+		/* Consecutive stars act just like one. */
+		continue;
+	    if (*p == '\0')
+		/* Trailing star matches everything. */
+		return TRUE;
+	    while (*text)
+		if ((matched = DoMatch(text++, p)) != FALSE)
+		    return matched;
+	    return ABORT;
+	case '[':
+	    reverse = p[1] == NEGATE_CLASS ? TRUE : FALSE;
+	    if (reverse)
+		/* Inverted character class. */
+		p++;
+	    matched = FALSE;
+	    if (p[1] == ']' || p[1] == '-')
+		if (toupper (*++p) == toupper(*text))
+		    matched = TRUE;
+	    for (last = *p; *++p && *p != ']'; last = *p)
+		/* This next line requires a good C compiler. */
+		if (*p == '-' && p[1] != ']'
+		    ? *text <= *++p && *text >= last
+		      : toupper (*text) == toupper (*p))
+		    matched = TRUE;
+	    if (matched == reverse)
+		return FALSE;
+	    continue;
+	}
+    }
+
+#ifdef	MATCH_TAR_PATTERN
+    if (*text == '/')
+	return TRUE;
+#endif	/* MATCH_TAR_ATTERN */
+    return *text == '\0';
+}
+
+
+/*
+**  User-level routine.  Returns TRUE or FALSE.
+*/
+int
+wildmat(char *text, char *p)
+{
+#ifdef	OPTIMIZE_JUST_STAR
+    if (p[0] == '*' && p[1] == '\0')
+	return TRUE;
+#endif	/* OPTIMIZE_JUST_STAR */
+    return DoMatch(text, p) == TRUE;
+}
+
+
+
+#if	defined(TEST)
+#include <stdio.h>
+
+/* Yes, we use gets not fgets.  Sue me. */
+extern char	*gets();
+
+
+int
+main()
+{
+    char	 p[80];
+    char	 text[80];
+
+    printf("Wildmat tester.  Enter pattern, then strings to test.\n");
+    printf("A blank line gets prompts for a new pattern; a blank pattern\n");
+    printf("exits the program.\n");
+
+    for ( ; ; ) {
+	printf("\nEnter pattern:  ");
+	(void)fflush(stdout);
+	if (gets(p) == NULL || p[0] == '\0')
+	    break;
+	for ( ; ; ) {
+	    printf("Enter text:  ");
+	    (void)fflush(stdout);
+	    if (gets(text) == NULL)
+		exit(0);
+	    if (text[0] == '\0')
+		/* Blank line; go back and get a new pattern. */
+		break;
+	    printf("      %s\n", wildmat(text, p) ? "YES" : "NO");
+	}
+    }
+
+    exit(0);
+    /* NOTREACHED */
+}
+#endif	/* defined(TEST) */
diff --git a/support/nfs/xcommon.c b/support/nfs/xcommon.c
new file mode 100644
index 0000000..3989f0b
--- /dev/null
+++ b/support/nfs/xcommon.c
@@ -0,0 +1,191 @@
+/*
+ * xcommon.c - various functions put together to avoid basic error checking.
+ *
+ * added fcntl locking by Kjetil T. (kjetilho@math.uio.no) - aeb, 950927
+ *
+ * 1999-02-22 Arkadiusz Miskiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ *
+ * 2006-06-06 Amit Gud <agud@redhat.com>
+ * - Moved code snippets here from mount/sundries.c of util-linux
+ *   and merged code from support/nfs/xmalloc.c by Olaf Kirch <okir@monad.swb.de> here.
+ */
+
+#include <unistd.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "xcommon.h"
+#include "nls.h"	/* _() */
+
+void (*at_die)(void ) = NULL;
+
+char *
+xstrndup (const char *s, int n) {
+     char *t;
+
+     if (s == NULL)
+	  die (EX_SOFTWARE, _("bug in xstrndup call"));
+
+     t = xmalloc(n+1);
+     strncpy(t,s,n);
+     t[n] = 0;
+
+     return t;
+}
+
+char *
+xstrconcat2 (const char *s, const char *t) {
+     char *res;
+
+     if (!s) s = "";
+     if (!t) t = "";
+     res = xmalloc(strlen(s) + strlen(t) + 1);
+     strcpy(res, s);
+     strcat(res, t);
+     return res;
+}
+
+/* frees its first arg - typical use: s = xstrconcat3(s,t,u); */
+char *
+xstrconcat3 (const char *s, const char *t, const char *u) {
+     char *res;
+
+     int dofree = 1;
+
+     if (!s) s = "", dofree=0;
+     if (!t) t = "";
+     if (!u) u = "";
+     res = xmalloc(strlen(s) + strlen(t) + strlen(u) + 1);
+     strcpy(res, s);
+     strcat(res, t);
+     strcat(res, u);
+     if (dofree)
+         free((void *) s);
+     return res;
+}
+
+/* frees its first arg - typical use: s = xstrconcat4(s,t,u,v); */
+char *
+xstrconcat4 (const char *s, const char *t, const char *u, const char *v) {
+     char *res;
+
+     int dofree = 1;
+
+     if (!s) s = "", dofree=0;
+     if (!t) t = "";
+     if (!u) u = "";
+     if (!v) v = "";
+     res = xmalloc(strlen(s) + strlen(t) + strlen(u) + strlen(v) + 1);
+     strcpy(res, s);
+     strcat(res, t);
+     strcat(res, u);
+     strcat(res, v);
+     if (dofree)
+         free((void *) s);
+     return res;
+}
+
+/* Non-fatal error.  Print message and return.  */
+/* (print the message in a single printf, in an attempt
+    to avoid mixing output of several threads) */
+void
+nfs_error (const char *fmt, ...) {
+     va_list args;
+     char *fmt2;
+
+     fmt2 = xstrconcat2 (fmt, "\n");
+     va_start (args, fmt);
+     vfprintf (stderr, fmt2, args);
+     va_end (args);
+     free (fmt2);
+}
+
+/* Make a canonical pathname from PATH.  Returns a freshly malloced string.
+   It is up the *caller* to ensure that the PATH is sensible.  i.e.
+   canonicalize ("/dev/fd0/.") returns "/dev/fd0" even though ``/dev/fd0/.''
+   is not a legal pathname for ``/dev/fd0''.  Anything we cannot parse
+   we return unmodified.   */
+char *canonicalize (const char *path) {
+	char canonical[PATH_MAX+2];
+
+	if (path == NULL)
+		return NULL;
+
+#if 1
+	if (streq(path, "none") ||
+	    streq(path, "proc") ||
+	    streq(path, "devpts"))
+		return xstrdup(path);
+#endif
+	if (realpath (path, canonical))
+		return xstrdup(canonical);
+
+	return xstrdup(path);
+}
+
+/* Fatal error.  Print message and exit.  */
+void
+die(int err, const char *fmt, ...) {
+	va_list args;
+
+	va_start(args, fmt);
+	vfprintf(stderr, fmt, args);
+	fprintf(stderr, "\n");
+	va_end(args);
+
+	if (at_die)
+		(*at_die)();
+
+	exit(err);
+}
+
+static void
+die_if_null(void *t) {
+	if (t == NULL)
+		die(EX_SYSERR, _("not enough memory"));
+}
+
+void *
+xmalloc (size_t size) {
+	void *t;
+
+	if (size == 0)
+		return NULL;
+
+	t = malloc(size);
+	die_if_null(t);
+
+	return t;
+}
+
+void *
+xrealloc (void *p, size_t size) {
+	void *t;
+
+	t = realloc(p, size);
+	die_if_null(t);
+
+	return t;
+}
+
+void
+xfree(void *ptr)
+{
+	free(ptr);
+}
+
+char *
+xstrdup (const char *s) {
+	char *t;
+
+	if (s == NULL)
+		return NULL;
+
+	t = strdup(s);
+	die_if_null(t);
+
+	return t;
+}
diff --git a/support/nfs/xio.c b/support/nfs/xio.c
new file mode 100644
index 0000000..6962751
--- /dev/null
+++ b/support/nfs/xio.c
@@ -0,0 +1,170 @@
+/*
+ * support/nfs/xio.c
+ * 
+ * Simple I/O functions for the parsing of /etc/exports and /etc/nfsclients.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <signal.h>
+#include <unistd.h>
+#include <errno.h>
+#include "xmalloc.h"
+#include "xlog.h"
+#include "xio.h"
+
+XFILE *
+xfopen(char *fname, char *type)
+{
+	XFILE	*xfp;
+	FILE	*fp;
+
+	if (!(fp = fopen(fname, type)))
+		return NULL;
+	xfp = (XFILE *) xmalloc(sizeof(*xfp));
+	xfp->x_fp = fp;
+	xfp->x_line = 1;
+
+	return xfp;
+}
+
+void
+xfclose(XFILE *xfp)
+{
+	fclose(xfp->x_fp);
+	xfree(xfp);
+}
+
+int
+xflock(char *fname, char *type)
+{
+	int		readonly = !strcmp(type, "r");
+	struct flock	fl = { readonly? F_RDLCK : F_WRLCK, SEEK_SET, 0, 0, 0 };
+	int		fd;
+
+	if (readonly)
+		fd = open(fname, (O_RDONLY|O_CREAT), 0600);
+	else
+		fd = open(fname, (O_RDWR|O_CREAT), 0600);
+	if (fd < 0) {
+		xlog(L_WARNING, "could not open %s for locking: errno %d (%s)",
+				fname, errno, strerror(errno));
+		return -1;
+	}
+
+	if (fcntl(fd, F_SETLKW, &fl) < 0) {
+		xlog(L_WARNING, "failed to lock %s: errno %d (%s)",
+				fname, errno, strerror(errno));
+		close(fd);
+		fd = -1;
+	}
+
+	return fd;
+}
+
+void
+xfunlock(int fd)
+{
+	close(fd);
+}
+
+#define isoctal(x) (isdigit(x) && ((x)<'8'))
+int
+xgettok(XFILE *xfp, char sepa, char *tok, int len)
+{
+	int	i = 0;
+	int	c = 0;
+	int 	quoted=0;
+
+	while (i < len && (c = xgetc(xfp)) != EOF &&
+	       (quoted || (c != sepa && !isspace(c)))) {
+		if (c == '"') {
+			quoted = !quoted;
+			continue;
+		}
+		tok[i++] = c;
+		if (i >= 4 &&
+		    tok[i-4] == '\\' &&
+		    isoctal(tok[i-3]) &&
+		    isoctal(tok[i-2]) &&
+		    isoctal(tok[i-1]) &&
+		    ((tok[i]=0),
+		     (c = strtol(tok+i-3,NULL, 8)) < 256)) {
+			i -= 4;
+			tok[i++] = c;
+		}
+	}	
+	if (c == '\n')
+		xungetc(c, xfp);
+	if (!i)
+		return 0;
+	if (i >= len || (sepa && c != sepa))
+		return -1;
+	tok[i] = '\0';
+	return 1;
+}
+
+int
+xgetc(XFILE *xfp)
+{
+	int	c = getc(xfp->x_fp);
+
+	if (c == EOF)
+		return c;
+	if (c == '\\') {
+		if ((c = getc(xfp->x_fp)) != '\n') {
+			ungetc(c, xfp->x_fp);
+			return '\\';
+		}
+		xfp->x_line++;
+		while ((c = getc(xfp->x_fp)) == ' ' || c == '\t');
+		ungetc(c, xfp->x_fp);
+		return ' ';
+	}
+	if (c == '\n')
+		xfp->x_line++;
+	return c;
+}
+
+void
+xungetc(int c, XFILE *xfp)
+{
+	if (c == EOF)
+		return;
+
+	ungetc(c, xfp->x_fp);
+	if (c == '\n')
+		xfp->x_line--;
+}
+
+void
+xskip(XFILE *xfp, char *str)
+{
+	int	c;
+
+	while ((c = xgetc(xfp)) != EOF) {
+		if (c == '#')
+			c = xskipcomment(xfp);
+		if (strchr(str, c) == NULL)
+			break;
+	}
+	xungetc(c, xfp);
+}
+
+char
+xskipcomment(XFILE *xfp)
+{
+	int	c;
+
+	while ((c = getc(xfp->x_fp)) != EOF && c != '\n');
+	return c;
+}
diff --git a/support/nfs/xlog.c b/support/nfs/xlog.c
new file mode 100644
index 0000000..fa125ce
--- /dev/null
+++ b/support/nfs/xlog.c
@@ -0,0 +1,254 @@
+/*
+ * support/nfs/xlog.c
+ *
+ * This module handles the logging of requests.
+ *
+ * TODO:	Merge the two "XXX_log() calls.
+ *
+ * Authors:	Donald J. Becker, <becker@super.org>
+ *		Rick Sladkey, <jrs@world.std.com>
+ *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *		Olaf Kirch, <okir@monad.swb.de>
+ *
+ *		This software maybe be used for any purpose provided
+ *		the above copyright notice is retained.  It is supplied
+ *		as is, with no warranty expressed or implied.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <signal.h>
+#include <time.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <errno.h>
+#include "nfslib.h"
+#include "conffile.h"
+
+#undef	VERBOSE_PRINTF
+
+#pragma GCC visibility push(hidden)
+
+static int  log_stderr = 1;
+static int  log_syslog = 1;
+static int  logging = 0;		/* enable/disable DEBUG logs	*/
+static int  logmask = 0;		/* What will be logged		*/
+static char log_name[256];		/* name of this program		*/
+static int  log_pid = -1;		/* PID of this program		*/
+
+int export_errno = 0;
+
+static void	xlog_toggle(int sig);
+static struct xlog_debugfac	debugnames[] = {
+	{ "0",		0, },
+	{ "general",	D_GENERAL, },
+	{ "call",	D_CALL, },
+	{ "auth",	D_AUTH, },
+	{ "parse",	D_PARSE, },
+	{ "all",	D_ALL, },
+	{ "1",		D_ALL, },
+	{ NULL,		0, },
+};
+
+void
+xlog_open(char *progname)
+{
+	openlog(progname, LOG_PID, LOG_DAEMON);
+
+	strncpy(log_name, progname, sizeof (log_name) - 1);
+	log_name [sizeof (log_name) - 1] = '\0';
+	log_pid = getpid();
+
+	signal(SIGUSR1, xlog_toggle);
+	signal(SIGUSR2, xlog_toggle);
+}
+
+void
+xlog_stderr(int on)
+{
+	log_stderr = on;
+}
+
+void
+xlog_syslog(int on)
+{
+	log_syslog = on;
+}
+
+static void
+xlog_toggle(int sig)
+{
+	unsigned int	tmp, i;
+
+	if (sig == SIGUSR1) {
+		if ((logmask & D_ALL) && !logging) {
+			xlog(D_GENERAL, "turned on logging");
+			logging = 1;
+			return;
+		}
+		tmp = ~logmask;
+		logmask |= ((logmask & D_ALL) << 1) | D_GENERAL;
+		for (i = -1, tmp &= logmask; tmp; tmp >>= 1, i++)
+			if (tmp & 1)
+				xlog(D_GENERAL,
+					"turned on logging level %d", i);
+	} else {
+		xlog(D_GENERAL, "turned off logging");
+		logging = 0;
+	}
+	signal(sig, xlog_toggle);
+}
+
+void
+xlog_config(int fac, int on)
+{
+	if (on)
+		logmask |= fac;
+	else
+		logmask &= ~fac;
+	if (on)
+		logging = 1;
+}
+
+void
+xlog_sconfig(char *kind, int on)
+{
+	struct xlog_debugfac	*tbl = debugnames;
+
+	while (tbl->df_name != NULL && strcasecmp(tbl->df_name, kind))
+		tbl++;
+	if (!tbl->df_name) {
+		xlog (L_WARNING, "Invalid debug facility: %s\n", kind);
+		return;
+	}
+	if (tbl->df_fac)
+		xlog_config(tbl->df_fac, on);
+}
+
+void
+xlog_set_debug(char *service)
+{
+	struct conf_list *kinds;
+	struct conf_list_node *n;
+
+	kinds = conf_get_list(service, "debug");
+	if (!kinds || !kinds->cnt) {
+		free(kinds);
+		return;
+	}
+	TAILQ_FOREACH(n, &(kinds->fields), link)
+		xlog_sconfig(n->field, 1);
+
+	conf_free_list(kinds);
+}
+
+int
+xlog_enabled(int fac)
+{
+	return (logging && (fac & logmask));
+}
+
+
+/* Write something to the system logfile and/or stderr */
+void
+xlog_backend(int kind, const char *fmt, va_list args)
+{
+	if (!(kind & (L_ALL)) && !(logging && (kind & logmask)))
+		return;
+
+	if (log_stderr) {
+		va_list		args2;
+#ifdef VERBOSE_PRINTF
+		time_t		now;
+		struct tm	*tm;
+
+		time(&now);
+		tm = localtime(&now);
+		fprintf(stderr, "%s[%d] %04d-%02d-%02d %02d:%02d:%02d ",
+				log_name, log_pid,
+				tm->tm_year+1900, tm->tm_mon + 1, tm->tm_mday,
+				tm->tm_hour, tm->tm_min, tm->tm_sec);
+#else
+		fprintf(stderr, "%s: ", log_name);
+#endif
+		va_copy(args2, args);
+		vfprintf(stderr, fmt, args2);
+		fprintf(stderr, "\n");
+		va_end(args2);
+	}
+
+	if (log_syslog) {
+		switch (kind) {
+		case L_FATAL:
+			vsyslog(LOG_ERR, fmt, args);
+			break;
+		case L_ERROR:
+			vsyslog(LOG_ERR, fmt, args);
+			break;
+		case L_WARNING:
+			vsyslog(LOG_WARNING, fmt, args);
+			break;
+		case L_NOTICE:
+			vsyslog(LOG_NOTICE, fmt, args);
+			break;
+		default:
+			if (!log_stderr)
+				vsyslog(LOG_INFO, fmt, args);
+			break;
+		}
+	}
+
+	if (kind == L_FATAL)
+		exit(1);
+}
+
+void
+xlog(int kind, const char* fmt, ...)
+{
+	va_list args;
+
+	if (kind & (L_ERROR|D_GENERAL))
+		export_errno = 1;
+
+	va_start(args, fmt);
+	xlog_backend(kind, fmt, args);
+	va_end(args);
+}
+
+void
+xlog_warn(const char* fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	xlog_backend(L_WARNING, fmt, args);
+	va_end(args);
+}
+
+
+void
+xlog_err(const char* fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	xlog_backend(L_FATAL, fmt, args);
+	va_end(args);
+}
+
+void
+xlog_errno(int err, const char *fmt, ...)
+{
+	va_list args;
+
+	errno = err;
+	va_start(args, fmt);
+	xlog_backend(L_FATAL, fmt, args);
+	va_end(args);
+}
diff --git a/support/nfsidmap/AUTHORS b/support/nfsidmap/AUTHORS
new file mode 100644
index 0000000..1101630
--- /dev/null
+++ b/support/nfsidmap/AUTHORS
@@ -0,0 +1 @@
+J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/support/nfsidmap/COPYING b/support/nfsidmap/COPYING
new file mode 100644
index 0000000..7571bb7
--- /dev/null
+++ b/support/nfsidmap/COPYING
@@ -0,0 +1,30 @@
+Copyright (c) 2004 The Regents of the University of Michigan.
+All rights reserved.
+
+Marius Aamodt Eriksen <marius@umich.edu>
+J. Bruce Fields <bfields@umich.edu>
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. Neither the name of the University nor the names of its
+   contributors may be used to endorse or promote products derived
+   from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/support/nfsidmap/Makefile.am b/support/nfsidmap/Makefile.am
new file mode 100644
index 0000000..f5b9de0
--- /dev/null
+++ b/support/nfsidmap/Makefile.am
@@ -0,0 +1,75 @@
+if PATH_PLUGINS
+pkgplugindir=$(PATH_PLUGINS)
+else
+pkgplugindir=$(libdir)/libnfsidmap
+endif
+
+if ENABLE_LDAP
+UMICH_LDAP_LIB = umich_ldap.la
+else
+UMICH_LDAP_LIB = 
+endif
+if ENABLE_GUMS
+GUMS_MAPPING_LIB = gums.la
+else
+GUMS_MAPPING_LIB =
+endif
+if ENABLE_LDAP_SASL
+KRB5_GSS_LIB=-lgssapi_krb5
+endif
+lib_LTLIBRARIES = libnfsidmap.la
+pkgplugin_LTLIBRARIES = nsswitch.la static.la regex.la $(UMICH_LDAP_LIB) $(GUMS_MAPPING_LIB)
+
+# Library versioning notes from:
+#  http://sources.redhat.com/autobook/autobook/autobook_91.html
+#
+# -version-info <current>:<revision>:<age>
+#  <current>	The number of the current interface exported by library.
+#  <revision>	The implementation number of the most recent interface
+#		exported by the library.  (i.e. revision should be updated
+#		with each new release of the library, and reset to zero
+#		when <current> is updated.)
+#  <age> 	The number of previous additional interfaces supported
+#  		by this library.
+
+libnfsidmap_la_SOURCES = libnfsidmap.c nfsidmap_common.c
+libnfsidmap_la_LDFLAGS = -version-info 1:0:0
+libnfsidmap_la_LIBADD = -ldl ../../support/nfs/libnfsconf.la
+
+nsswitch_la_SOURCES = nss.c nfsidmap_common.c
+nsswitch_la_LDFLAGS = -module -avoid-version
+nsswitch_la_LIBADD = ../../support/nfs/libnfsconf.la
+
+static_la_SOURCES = static.c
+static_la_LDFLAGS = -module -avoid-version
+static_la_LIBADD = ../../support/nfs/libnfsconf.la
+
+regex_la_SOURCES = regex.c
+regex_la_LDFLAGS = -module -avoid-version
+regex_la_LIBADD = ../../support/nfs/libnfsconf.la
+
+umich_ldap_la_SOURCES = umich_ldap.c
+umich_ldap_la_LDFLAGS = -module -avoid-version
+umich_ldap_la_LIBADD = -lldap $(KRB5_GSS_LIB) ../../support/nfs/libnfsconf.la
+
+gums_la_SOURCES = gums.c
+gums_la_LDFLAGS = -module -avoid-version
+
+man3_MANS = nfs4_uid_to_name.3
+man5_MANS	= idmapd.conf.5
+include_HEADERS = nfsidmap.h nfsidmap_plugin.h
+
+EXTRA_DIST = $(man3_MANS) \
+	     $(man5_MANS) \
+	     libtest.c \
+	     idmapd.conf
+
+#	XXX: also exclude debian/files and debian/files.new ? do a clean??
+dist-hook:
+	mkdir $(distdir)/debian/
+	find $(srcdir)/debian -maxdepth 1 -not -type d |xargs -i cp {} $(distdir)/debian/
+
+pkgconfigdir=$(libdir)/pkgconfig
+pkgconfig_DATA = libnfsidmap.pc
+
+$(pkgconfig_DATA): $(top_builddir)/config.status
diff --git a/support/nfsidmap/Makefile.in b/support/nfsidmap/Makefile.in
new file mode 100644
index 0000000..45ff4d6
--- /dev/null
+++ b/support/nfsidmap/Makefile.in
@@ -0,0 +1,1060 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
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+@ENABLE_LDAP_TRUE@UMICH_LDAP_LIB = umich_ldap.la
+@ENABLE_GUMS_FALSE@GUMS_MAPPING_LIB = 
+@ENABLE_GUMS_TRUE@GUMS_MAPPING_LIB = gums.la
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+
+# Library versioning notes from:
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+# -version-info <current>:<revision>:<age>
+#  <current>	The number of the current interface exported by library.
+#  <revision>	The implementation number of the most recent interface
+#		exported by the library.  (i.e. revision should be updated
+#		with each new release of the library, and reset to zero
+#		when <current> is updated.)
+#  <age> 	The number of previous additional interfaces supported
+#  		by this library.
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+libnfsidmap_la_LDFLAGS = -version-info 1:0:0
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+nsswitch_la_LDFLAGS = -module -avoid-version
+nsswitch_la_LIBADD = ../../support/nfs/libnfsconf.la
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+static_la_LDFLAGS = -module -avoid-version
+static_la_LIBADD = ../../support/nfs/libnfsconf.la
+regex_la_SOURCES = regex.c
+regex_la_LDFLAGS = -module -avoid-version
+regex_la_LIBADD = ../../support/nfs/libnfsconf.la
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+umich_ldap_la_LDFLAGS = -module -avoid-version
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+gums_la_LDFLAGS = -module -avoid-version
+man3_MANS = nfs4_uid_to_name.3
+man5_MANS = idmapd.conf.5
+include_HEADERS = nfsidmap.h nfsidmap_plugin.h
+EXTRA_DIST = $(man3_MANS) \
+	     $(man5_MANS) \
+	     libtest.c \
+	     idmapd.conf
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libnfsidmap.pc
+all: all-am
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+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
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+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu support/nfsidmap/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu support/nfsidmap/Makefile
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+	  *config.status*) \
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+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man3 install-man5
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/gums.Plo
+	-rm -f ./$(DEPDIR)/libnfsidmap.Plo
+	-rm -f ./$(DEPDIR)/nfsidmap_common.Plo
+	-rm -f ./$(DEPDIR)/nss.Plo
+	-rm -f ./$(DEPDIR)/regex.Plo
+	-rm -f ./$(DEPDIR)/static.Plo
+	-rm -f ./$(DEPDIR)/umich_ldap.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-includeHEADERS uninstall-libLTLIBRARIES \
+	uninstall-man uninstall-pkgconfigDATA \
+	uninstall-pkgpluginLTLIBRARIES
+
+uninstall-man: uninstall-man3 uninstall-man5
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libLTLIBRARIES clean-libtool \
+	clean-pkgpluginLTLIBRARIES cscopelist-am ctags ctags-am \
+	dist-hook distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am \
+	install-includeHEADERS install-info install-info-am \
+	install-libLTLIBRARIES install-man install-man3 install-man5 \
+	install-pdf install-pdf-am install-pkgconfigDATA \
+	install-pkgpluginLTLIBRARIES install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-includeHEADERS uninstall-libLTLIBRARIES \
+	uninstall-man uninstall-man3 uninstall-man5 \
+	uninstall-pkgconfigDATA uninstall-pkgpluginLTLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+#	XXX: also exclude debian/files and debian/files.new ? do a clean??
+dist-hook:
+	mkdir $(distdir)/debian/
+	find $(srcdir)/debian -maxdepth 1 -not -type d |xargs -i cp {} $(distdir)/debian/
+
+$(pkgconfig_DATA): $(top_builddir)/config.status
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/nfsidmap/README b/support/nfsidmap/README
new file mode 100644
index 0000000..5a448ef
--- /dev/null
+++ b/support/nfsidmap/README
@@ -0,0 +1,126 @@
+Library to help mapping id's, mainly for NFSv4.
+
+When NFSv4 is using AUTH_GSS (which currently only supports Kerberos v5), the
+NFSv4 server mapping functions MUST use secure communications.
+
+We provide several mapping functions, configured using /etc/idmapd.conf
+
+As of the 0.21 version of this library, mapping methods are separate
+dynamically-loaded libaries.  This allows the separation of any
+LDAP requirements from the main libnfsidmap library.  The main library
+now basically loads and calls the functions in the method-specific
+libaries.  The method libraries are expected to be named
+"libnfsidmap_<method>.so", for example, "libnfsidmap_nsswitch.so".
+
+Several methods may be specified in the /etc/idmapd.conf configuration
+file.  Each method is called until a mapping is found.
+
+The following translation methods are delivered in the default distribution:
+
+nsswitch
+--------
+
+The default method is called nsswitch. This method uses the get password
+file entry functions getpwname(), getpwid(), and the get group file entry
+functions getgrnam(), getgrgid(). The nsswitch method can therefore be
+configured by the /etc/nss_switch.conf passwd data base stanza. If secure
+communications are required (AUTH_GSS), the passwd data base stanza can contain
+the 'file' entry because the rpc.idmapd and rpc.svcgssd run as root, and/or the
+'ldap' entry if the ldap service is configured to use SASL in /etc/ldap.conf.
+The 'nis' entry is NOT recommended, it does not have a secure communications
+mode.
+
+
+static
+------
+
+This method works only for translating GSS authenticated names to local
+names.  It uses a static mapping setup defined in the [Static] section
+of the idmapd.conf file.  The form of the entries are:
+  <GSS-Authenticated name> = <localuser>
+
+For example:
+  nfs/host.domain.org@DOMAIN.ORG = root
+
+It is recommended that this module be used in combination with another
+module (e.g. the nsswitch module).
+
+umich_ldap
+----------
+An experimental method, umich_ldap uses an LDAP schema and ldap functions
+to perform translations.  This method is designed to service remote users,
+allowing remote users to set and get ACLs as well as map GSS principals
+to id's.  The functions are LDAP based, and the ldap search filters look
+for attribute names set by idmapd.conf [UMICH_SCHEMA]
+NFSv4_name_attr, NFSv4_group_attr, and GSS_principal_attr.
+
+It is assumed that the LDAP server will index these attributes, and that these
+attributes will be associated with the nss.schema posixAccount uidNumber and
+gidNumber.  We expect that the uidNumber and gidNumber attribute will be
+configurable via the idmapd.conf file soon.
+
+NFSv4_name_attr holds an NFSv4 name of the form user@domain, where the domain
+portion of the name is a valid NFSv4 domain name. There is a one-to-one
+mapping between the NFSv4_name_attr name and a UID.
+
+NFSv4_group_attr holds an NFSv4 name of the form group@domain, where the domain
+portion of the name is a valid NFSv4 domain name. There is a one-to-one
+mapping between the NFSv4_group_attr name and a GID.
+
+GSS_principal_attr holds a GSS security mechanism specific context principal
+name. For Kerberos v5, it is a Kerberos principal <service/>principal@REALM.
+For SPKM3, it is a PKI DN such as (line is split):`
+"/C=US/ST=Michigan/O=University of Michigan/OU=UMICH Kerberos
+ Certification Authority/CN=andros/USERID=andros/Email=andros@UMICH.EDU".
+There is a many-to-one relationship between the GSS_principal_attr
+name and a UID plus GID.
+
+We have defined LDAP object classes for our experimental NFSv4 id mapping.
+We made the attribute names configurable so that other sites could still use
+the TR_UMICH_LDAP translation functions with different LDAP attribute names.
+
+We use the same attribute name, NFSv4Name for the NFSv4_name_attr and the
+NFSv4_group_attr. For local users and remote users that we wish to give
+a local machine account, we add the NFSv4Name attribute and the GSSAuthName
+attribute to the existing inetorgPerson and posixAccount schema.
+For remote users that we do not wish to give a local machine account,
+we use the NFSv4RemotePerson object to contain the NFSv4Name, uidNumber,
+gidNumber, and GSSAuthName.
+
+nfsv4.schema
+------------
+attributetype ( 1.3.6.1.4.1.250.1.61
+        NAME ( 'NFSv4Name')
+        DESC 'NFS version 4 Name'
+        EQUALITY caseIgnoreIA5Match
+        SYNTAX 1.3.6.1.4.1.1466.115.121.1.26
+        SINGLE-VALUE)
+
+attributetype ( 1.3.6.1.4.1.250.1.62
+        NAME ( 'GSSAuthName')
+        DESC 'RPCSEC GSS authenticated user name'
+        EQUALITY caseIgnoreIA5Match
+        SYNTAX 1.3.6.1.4.1.1466.115.121.1.26)
+
+#
+# minimal information for NFSv4 access. used when local filesystem
+# access is not permitted (nsswitch ldap calls fail), or when
+# inetorgPerson is too much info.
+#
+objectclass ( 1.3.6.1.4.1.250.1.60 NAME 'NFSv4RemotePerson'
+        DESC 'NFS version4 person from remote NFSv4 Domain'
+        SUP top STRUCTURAL
+        MUST ( uidNumber $ gidNumber $ NFSv4Name )
+        MAY ( cn $ GSSAuthName $ description) )
+
+#
+# minimal information for NFSv4 access. used when local filesystem
+# access is not permitted (nsswitch ldap calls fail), or when
+# inetorgPerson is too much info.
+#
+objectclass ( 1.3.6.1.4.1.250.1.63 NAME 'NFSv4RemoteGroup'
+        DESC 'NFS version4 group from remote NFSv4 Domain'
+        SUP top STRUCTURAL
+        MUST ( gidNumber $ NFSv4Name )
+        MAY ( cn $ memberUid $ description) )
+
diff --git a/support/nfsidmap/gums.c b/support/nfsidmap/gums.c
new file mode 100644
index 0000000..1d6eb31
--- /dev/null
+++ b/support/nfsidmap/gums.c
@@ -0,0 +1,787 @@
+/*
+ *  gums.c
+ *
+ *  Copyright (c) 2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Olga Kornievskaia <aglo@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pwd.h>
+#include <grp.h>
+#include <err.h>
+#include <syslog.h>
+#include "nfsidmap.h"
+#include "nfsidmap_plugin.h"
+
+#include <voms_apic.h>
+
+#include <prima_logger.h>
+#include <prima_soap_client.h>
+#include <prima_saml_support.h>
+
+#define DEFAULT_PRIMA_CONF_LOCATION "/etc/grid-security/prima-authz.conf"
+#define DEFAULT_VOMSDIR "/etc/grid-security/vomsdir"
+#define DEFAULT_CADIR "/etc/grid-security/certificates"
+#define X509_DN_SIZE 1024
+
+//#define DEBUG_PRINT_VOMS
+
+#define USING_TEST_PROGRAM
+#ifdef USING_TEST_PROGRAM
+nfs4_idmap_log_function_t idmap_log_func = printf;
+int idmap_verbosity = 10;
+#endif
+
+/*
+ * GUMS Translation Methods
+ *
+ */
+
+/* global variables. voms/gums configuration attributes*/
+static char prima_conf[] = DEFAULT_PRIMA_CONF_LOCATION;
+typedef struct _plugin_config_params {
+	char *saml_schema_dir;
+	int   saml_log_level;
+	char *server_cert;
+	char *server_key;
+	char *ca_dir;
+	char *gums_server_location;
+	char *voms_dir;
+} plugin_config_params;
+plugin_config_params conf;
+
+#ifdef VOMS_BUG
+static void my_VOMS_Delete(struct voms *v)
+{
+	int i;
+
+	if (!v) return;
+	if (v->user)
+		free(v->user);
+	if (v->server)
+		free(v->server);
+	if (v->fqan) {
+		for (i = 0; v->fqan[i] != NULL; i++)
+			free(v->fqan[i]);
+		free(v->fqan);
+	}
+	free(v);
+}
+
+static struct voms *my_VOMS_Copy(struct voms *v, int *err)
+{
+	struct voms *cv;
+	int i;
+
+	cv = calloc(1, sizeof(struct voms));
+	if (cv == NULL)
+		goto out;
+	cv->user = strdup(v->user);
+	if (cv->user == NULL)
+		goto out;
+	cv->server = strdup(v->server);
+	if (cv->server == NULL)
+		goto out;
+	for (i = 0; v->fqan[i] != NULL; i++) {
+		if (v->fqan[i] == NULL)
+			break;
+	}
+	cv->fqan = calloc(i+1, sizeof(char *));
+	if (cv->fqan == NULL)
+		goto out;
+	cv->fqan[i] = NULL;
+	for (i = 0; v->fqan[i] != NULL; i++) {
+		cv->fqan[i] = strdup(v->fqan[i]);
+		if (cv->fqan[i] == NULL)
+			goto out;
+	}
+	return cv;
+out:
+	if (cv)
+		my_VOMS_Delete(cv);
+
+	return NULL;
+}
+#endif
+
+
+#ifdef DEBUG_PRINT_VOMS
+void printvoms(struct voms *v)
+{
+  int j;
+
+  printf("SIGLEN: %d\nUSER: %s\n", v->siglen, v->user);
+  printf("UCA: %s\nSERVER: %s\n", v->userca, v->server);
+  printf("SCA: %s\nVO: %s\n", v->serverca, v->voname);
+  printf("URI: %s\nDATE1: %s\n", v->uri, v->date1);
+  printf("DATE2: %s\n", v->date2);
+
+  switch (v->type) {
+  case TYPE_NODATA:
+    printf("NO DATA\n");
+    break;
+  case TYPE_CUSTOM:
+    printf("%*s\n", v->datalen - 10, v->custom);
+    break;
+  case TYPE_STD:
+    j = 0;
+    while (v->std[j]) {
+      printf("GROUP: %s\nROLE: %s\nCAP: %s\n",v->std[j]->group,
+             v->std[j]->role,v->std[j]->cap);
+      j++;
+    }
+  }
+}
+
+void print(struct vomsdata *d)
+{
+  struct voms **vo = d->data;
+  struct voms *v;
+  int k = 0;
+
+  while(vo[k]) {
+    v = vo[k++];
+    printf("%d *******************************************\n",k);
+    printvoms(v);
+  }
+
+  if (d->workvo)
+    printf("WORKVO: %s\n", d->workvo);
+
+  if (d->extra_data)
+    printf("EXTRA: %s\n", d->extra_data);
+}
+#endif
+
+static void free_plugin_config_params()
+{
+	if (conf.saml_schema_dir)
+		free(conf.saml_schema_dir);
+	conf.saml_schema_dir = NULL;
+	if (conf.server_cert)
+		free(conf.server_cert);
+	conf.server_cert = NULL;
+	if (conf.server_key)
+		free(conf.server_key);
+	conf.server_key = NULL;
+	if (conf.ca_dir)
+		free(conf.ca_dir);
+	conf.ca_dir = NULL;
+	if (conf.voms_dir)
+		free(conf.voms_dir);
+	conf.voms_dir = NULL;
+}
+
+static int validate_plugin_config_params()
+{
+	if (conf.saml_schema_dir == NULL ||
+		conf.server_cert == NULL ||
+		conf.server_key == NULL ||
+		conf.gums_server_location == NULL)
+		return -1;
+
+	if (conf.ca_dir == NULL) {
+		conf.ca_dir = strdup(DEFAULT_CADIR);
+		if (conf.ca_dir == NULL)
+			return -1;
+	}
+	if (conf.voms_dir == NULL) {
+		conf.voms_dir = strdup(DEFAULT_VOMSDIR);
+		if (conf.voms_dir == NULL)
+			return -1;
+	}
+	return 0;
+}
+
+static int gums_init(void)
+{
+	FILE *f = NULL;
+	int ret = -1, i = 0;
+	char buf[512], type[128], value[256];
+	char *alt_conf = NULL;
+
+	alt_conf = nfsidmap_config_get("GUMS", "Conf_File");
+	if (alt_conf == NULL)
+		f = fopen(prima_conf, "r");
+	else
+		f = fopen(alt_conf, "r");
+	if (f == NULL)
+		goto out;
+
+	while (fgets(buf, 512, f)) {
+		i = 0;
+		while(buf[i] == ' ' || buf[i] == '\t')
+			i++;
+		if (buf[i] == '#' || buf[i] == '\0' || buf[i] == '\n')
+			continue;
+		if (sscanf(&buf[i], "%127s%255s",type,value) < 2) {
+			IDMAP_LOG(0, ("ERROR: malformed line: %s\n", &buf[i]));
+			goto out;
+		}
+		IDMAP_LOG(1, ("PRIMA conf: type=%s value=%s\n", type, value));
+		if (strncmp(type, "imsContact", 10) == 0) {
+			conf.gums_server_location = strdup(value);
+		} else if (strncmp(type, "serviceCert", 11) == 0) {
+			conf.server_cert = strdup(value);
+		} else if (strncmp(type, "serviceKey", 10) == 0) {
+			conf.server_key = strdup(value);
+		} else if (strncmp(type, "caCertDir", 9) == 0) {
+			conf.ca_dir = strdup(value);
+		} else if (strncmp(type, "samlSchemaDir", 13) == 0) {
+			conf.saml_schema_dir = strdup(value);
+		} else if (strncmp(type, "logLevel", 8) == 0) {
+			if (strncmp(value, "debug", 5) == 0)
+				conf.saml_log_level = PRIMA_LOG_DEBUG;
+			else if (strncmp(value, "error", 5) == 0)
+				conf.saml_log_level = PRIMA_LOG_ERROR;
+			else if (strncmp(value, "none", 4) == 0)
+				conf.saml_log_level = PRIMA_LOG_NONE;
+			else
+				conf.saml_log_level = PRIMA_LOG_INFO;
+		}
+	}
+
+	if (validate_plugin_config_params() != 0)
+		goto out;
+
+	ret = 0;
+out:
+	if (f)
+		fclose(f);
+	if (ret)
+		free_plugin_config_params();
+
+	return ret;
+}
+
+static int retrieve_attributes(X509 *cert, STACK_OF(X509) *cas,
+			       struct voms **attrs)
+{
+	int ret = -1, err = 0;
+	struct vomsdata *vd = NULL;
+
+	vd = VOMS_Init(conf.voms_dir, conf.ca_dir);
+	if (vd == NULL) {
+		IDMAP_LOG(0, ("VOMS_Init failed\n"));
+		return -1;
+	}
+	ret = VOMS_Retrieve(cert, cas, RECURSE_CHAIN, vd, &err);
+	if (err) {
+		char *err_msg;
+		err_msg = VOMS_ErrorMessage(vd, err, NULL, 0);
+		if (err == VERR_NOEXT)
+			ret = 0;
+		else
+			IDMAP_LOG(0, ("VOMS error %s\n", err_msg));
+		goto out;
+	} else if (ret) {
+		struct voms *v, *v2;
+#ifdef DEBUG_PRINT_VOMS
+		print(vd);
+#endif
+		v = VOMS_DefaultData(vd, &err);
+		if (err == VERR_NONE) {
+#ifdef DEBUG_PRINT_VOMS
+			printvoms(v);
+			while (v->fqan[i] != NULL)
+				IDMAP_LOG(1, ("user's fqan: %s\n", v->fqan[i++]));
+#endif
+#ifdef VOMS_BUG
+			v2 = my_VOMS_Copy(v, &err);
+#else
+			v2 = VOMS_Copy(v, &err);
+#endif
+			if (v2 == NULL) {
+				IDMAP_LOG(0, ("VOMS_Copy failed err=%d\n", err));
+				goto out;
+			}
+			*attrs = v2;
+		}
+	}
+	ret = 0;
+out:
+	if (vd)
+		VOMS_Destroy(vd);
+	return ret;
+}
+
+static int get_server_dn(unsigned char **server_dn)
+{
+	BIO *tmp = NULL;
+	X509 *cert = NULL;
+	int ret = -1;
+	char dn[X509_DN_SIZE];
+
+	tmp = BIO_new(BIO_s_file());
+	if (tmp == NULL)
+		goto out;
+
+	ret = BIO_read_filename(tmp, conf.server_cert);
+	if (ret == 0) {
+		ret = errno;
+		goto out;
+	}
+
+	cert = (X509 *) PEM_read_bio_X509(tmp, NULL, NULL, NULL);
+	if (cert == NULL)
+		goto out;
+
+	X509_NAME_oneline(X509_get_subject_name(cert), dn, sizeof(dn));
+
+	*server_dn = strdup(dn);
+	if (*server_dn == NULL)
+		goto out;
+
+	ret = 0;
+out:
+	if (tmp)
+		BIO_free(tmp);
+	if (cert)
+		X509_free(cert);
+
+	return ret;
+}
+
+static int create_saml_request(char *dn, struct voms *attrs, char **saml_req)
+{
+	int ret = -1, i;
+	char *req = NULL;
+	unsigned char *server_dn = NULL;
+	prima_saml_fqans fqans;
+
+	IDMAP_LOG(2, ("create_saml_request start\n"));
+	ret = initPrimaSAMLFQANs(&fqans);
+	if (ret) {
+		IDMAP_LOG(0, ("initPrimaSAMLFQANs failed with %d\n", ret));
+		goto out;
+	}
+
+	if (attrs) {
+		for (i = 0; attrs->fqan[i] != NULL; i++) {
+			ret = addPrimaSAMLFQAN(&fqans, attrs->server, attrs->fqan[i]);
+			IDMAP_LOG(1, ("addPrimaSAMLFQAN returned %d\n", ret));
+		}
+		dn = attrs->user;
+	} else
+		IDMAP_LOG(1, ("No VOMS attributes present in the cert\n"));
+
+	if (get_server_dn(&server_dn) != 0)
+		goto out;
+	req = createSAMLQueryAndRequest(server_dn, dn, &fqans);
+	if (req == NULL) {
+		IDMAP_LOG(0, ("createSAMLQueryAndRequest failed to create "
+			"SAML request\n"));
+		goto out;
+	}
+ 	IDMAP_LOG(1, ("SAML Request %s\n", req));
+ 
+	ret = 0;
+	*saml_req = req;
+out:
+	cleanupPrimaSAMLFQANs(&fqans);
+
+	if (server_dn)
+		free(server_dn);
+
+	IDMAP_LOG(2, ("create_saml_request returning %d\n", ret));
+	return ret;
+}
+
+static int process_parameters(extra_mapping_params **ex, X509 **user_cert,
+				STACK_OF(X509) **user_chain)
+{
+
+	int ret = -1, i;
+	X509 *cert = NULL, *x;
+	STACK_OF(X509) *chain = NULL;
+	unsigned char *p;
+
+	if (ex[0]->content_type != X509_CERT)
+		return -1;
+
+	/* get user's x509 certificate */
+	p = ex[0]->content;
+	cert = d2i_X509(NULL, &p, ex[0]->content_len);
+	if (cert == NULL)
+		goto out;
+
+	/* get user's other certificates */
+	chain = sk_X509_new_null();
+	if (chain == NULL)
+		goto out;
+	for (i = 1; ex[i] != NULL; i++) {
+		if (ex[i]->content_type != X509_CERT)
+			continue;
+		p = ex[i]->content;
+		x = d2i_X509(NULL, &p, ex[i]->content_len);
+		if (x == NULL)
+			goto out;
+		sk_X509_push(chain, x);
+	}
+	ret = 0;
+
+	*user_cert = cert;
+	*user_chain = chain;
+out:
+	if (ret) {
+		int num;
+		if (cert)
+			X509_free(cert);
+		if (chain)
+			sk_X509_pop_free(chain, X509_free);
+	}
+
+	return ret;
+}
+
+struct pwbuf {
+        struct passwd pwbuf;
+        char buf[1];
+};
+
+static int translate_to_uid(char *local_uid, uid_t *uid, uid_t *gid)
+{
+	int ret = -1;
+	struct passwd *pw = NULL;
+	struct pwbuf *buf = NULL;
+	size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+
+	buf = malloc(sizeof(*buf) + buflen);
+	if (buf == NULL)
+		goto out;
+
+	ret = getpwnam_r(local_uid, &buf->pwbuf, buf->buf, buflen, &pw);
+	if (pw == NULL) {
+		IDMAP_LOG(0, ("getpwnam: name %s not found\n", local_uid));
+		goto out;
+	}
+	*uid = pw->pw_uid;
+	*gid = pw->pw_gid;
+
+	ret = 0;
+out:
+	if (buf)
+		free(buf);
+	return ret;
+}
+
+static int translate_to_gid(char *local_gid, uid_t *gid)
+{
+	struct group *gr = NULL;
+	struct group grbuf;
+	char *buf = NULL;
+	size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+	int ret = -1;
+
+	do {
+		buf = malloc(buflen);
+		if (buf == NULL)
+			goto out;
+
+		ret = -getgrnam_r(local_gid, &grbuf, buf, buflen, &gr);
+		if (gr == NULL && !ret)
+			ret = -ENOENT;
+		if (ret == -ERANGE) {
+			buflen *= 2;
+			free(buf);
+		}
+	} while (ret == -ERANGE);
+
+	if (ret)
+		goto out;
+
+	*gid = gr->gr_gid;
+
+	ret = 0;
+out:
+	if (buf)
+		free(buf);
+	return ret;
+}
+
+static int gums_gss_princ_to_ids(char *secname, char *princ,
+				uid_t *uid, uid_t *gid,
+				extra_mapping_params **ex)
+{
+	int ret = -1, size, i;
+	X509 *cert = NULL;
+	STACK_OF(X509) *cas = NULL;
+	char dn[X509_DN_SIZE];
+	struct voms *attrs = NULL;
+	char *saml_req = NULL, *saml_resp = NULL;
+	int saml_result;
+	char *local_uid = NULL, *local_gid = NULL, *p;
+
+	/* accept only spkm3 translations */
+	if (strcmp(secname, "spkm3"))
+		return -EINVAL;
+
+	/* must supply either a DN and/or at least 1 binary blob */
+	if (princ == NULL && (ex == NULL || (ex && ex[0] == NULL)))
+		return -EINVAL;
+
+	/* process extra parameters */
+	if (process_parameters(ex, &cert, &cas) != 0)
+		goto out;
+
+	IDMAP_LOG(1, ("Processing name translation of client\n"));
+	X509_NAME_oneline(X509_get_subject_name(cert), dn, sizeof(dn));
+	IDMAP_LOG(1, ("DN=%s\n", dn));
+	size = sk_X509_num(cas);
+	IDMAP_LOG(1, ("Including following CAs (%d)\n", size));
+	for (i=0; i < size; i++) {
+		X509_NAME_oneline(X509_get_subject_name(sk_X509_value(cas, i)),
+ 					dn, sizeof(dn));
+		IDMAP_LOG(1, ("DN=%s\n", dn));
+	}
+
+	/* retrieve VOMS attributes */
+	if (retrieve_attributes(cert, cas, &attrs) != 0)
+		goto out;
+	if (attrs == NULL)
+		X509_NAME_oneline(X509_get_subject_name(cert), dn, sizeof(dn));
+
+	/* initialize SAML library */
+	if (initPrimaSAMLSupport(conf.saml_schema_dir,
+			conf.saml_log_level) != 0) {
+		IDMAP_LOG(0, ("initPrimaSAMLSupport failed\n"));
+		goto out;
+	}
+
+	/* create SAML request */
+	if (create_saml_request(dn, attrs, &saml_req) != 0)
+		goto out;
+
+	/* contact GUMS server */
+	saml_resp = queryIdentityMappingService(conf.gums_server_location,
+			saml_req, conf.server_cert, conf.server_key,
+			conf.ca_dir);
+	if (saml_resp != NULL) {
+		saml_result = processResponse(saml_resp, saml_req, &local_uid,
+						&local_gid);
+		IDMAP_LOG(1, ("processResponse returned %d\n", saml_result));
+		if (saml_result || local_uid == NULL) {
+			IDMAP_LOG(0, ("processResponse failed to return "
+					"local id\n"));
+			ret = -ENOENT;
+			goto out;
+		}
+		IDMAP_LOG(1, ("GUMS returned uid=%s gid=%s\n", local_uid,
+			local_gid));
+	}
+
+	/* translate account name to uid */
+	if (translate_to_uid(local_uid, uid, gid))
+		goto out;
+	if (local_gid)
+		if (translate_to_gid(local_gid, gid))
+			goto out;
+
+	ret = 0;
+out:
+	if (cert)
+		X509_free(cert);
+
+	if (cas)
+		sk_X509_pop_free(cas, X509_free);
+
+	if (attrs)
+#ifdef VOMS_BUG
+		my_VOMS_Delete(attrs);
+#else
+		VOMS_Delete(attrs);
+#endif
+
+	if (saml_req)
+		free(saml_req);
+
+	if (saml_resp)
+		free(saml_resp);
+
+	cleanupPrimaSAMLSupport();
+
+	return ret;
+}
+
+struct trans_func gums_trans = {
+	.name		= "gums",
+	.init		= gums_init,
+	.princ_to_ids	= gums_gss_princ_to_ids,
+	.name_to_uid	= NULL,
+	.name_to_gid	= NULL,
+	.uid_to_name	= NULL,
+	.gid_to_name	= NULL,
+	.gss_princ_to_grouplist = NULL,
+};
+
+struct trans_func *libnfsidmap_plugin_init()
+{
+	return (&gums_trans);
+}
+
+#ifdef USING_TEST_PROGRAM
+static STACK_OF(X509) *load_chain(char *certfile)
+{
+  STACK_OF(X509_INFO) *sk=NULL;
+  STACK_OF(X509) *stack=NULL, *ret=NULL;
+  BIO *in=NULL;
+  X509_INFO *xi;
+  int first = 1;
+
+  if (!(stack = sk_X509_new_null())) {
+    printf("memory allocation failure\n");
+    goto end;
+  }
+
+  if (!(in=BIO_new_file(certfile, "r"))) {
+    printf("error opening the file, %s\n",certfile);
+    goto end;
+  }
+
+  /* This loads from a file, a stack of x509/crl/pkey sets */
+  if (!(sk=(STACK_OF(X509_INFO) *)PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) {
+    /*     if (!(sk=PEM_X509_read_bio(in,NULL,NULL,NULL))) { */
+    printf("error reading the file, %s\n",certfile);
+    goto end;
+  }
+
+  /* scan over it and pull out the certs */
+  while (sk_X509_INFO_num(sk)) {
+    /* skip first cert */
+    if (first) {
+      xi=sk_X509_INFO_shift(sk);
+      X509_INFO_free(xi);
+      first = 0;
+      continue;
+    }
+    xi=sk_X509_INFO_shift(sk);
+    if (xi->x509 != NULL) {
+      sk_X509_push(stack,xi->x509);
+      xi->x509=NULL;
+    }
+    X509_INFO_free(xi);
+  }
+  if (!sk_X509_num(stack)) {
+    printf("no certificates in file, %s\n",certfile);
+    sk_X509_free(stack);
+    goto end;
+  }
+  ret=stack;
+end:
+  BIO_free(in);
+  sk_X509_INFO_free(sk);
+  return(ret);
+}
+
+void create_params(X509 *cert, STACK_OF(X509) *cas,
+		   extra_mapping_params ***ret_params)
+{
+	int len = 0, i, size = 0;
+	unsigned char *p, *buf = NULL;
+	extra_mapping_params **params = NULL;
+	X509 *x;
+
+	if (cas)
+		size = sk_X509_num(cas);
+	params = malloc((size+2)*sizeof(extra_mapping_params *));
+	params[size+1] = NULL;
+
+	/* 1st element is user's certificate */
+	len = i2d_X509(cert, NULL);
+	p = buf = malloc(len);
+	i2d_X509(cert, &p);
+	params[0] = malloc(sizeof(extra_mapping_params));
+	params[0]->content_type = X509_CERT;
+	params[0]->content = buf;
+	params[0]->content_len = len;
+
+	/* add other certificates to the array */
+	for (i = 0; i < size; i++) {
+		x = sk_X509_value(cas, i);
+		params[i+1] = malloc(sizeof(extra_mapping_params));
+		len = i2d_X509(x, NULL);
+		p = buf = malloc(len);
+		i2d_X509(x, &p);
+		params[i+1]->content_type = X509_CERT;
+		params[i+1]->content = buf;
+		params[i+1]->content_len = len;
+	}
+	*ret_params = params;
+}
+
+int main(void)
+{
+	int uid, gid, ret, i;
+	extra_mapping_params **params = NULL;
+	BIO *tmp = NULL;
+	X509 *cert = NULL, *x;
+	STACK_OF(X509) *cas = NULL;
+	unsigned char *proxy_file;
+
+	if (gums_init())
+		return -1;
+	proxy_file = getenv("X509_USER_PROXY");
+	if (proxy_file == NULL) {
+		fprintf(stderr, "X509_USER_PROXY is not set\n");
+		return -1;
+	}
+	tmp = BIO_new(BIO_s_file());
+	BIO_read_filename(tmp, proxy_file);
+	cert = (X509 *) PEM_read_bio_X509(tmp, NULL, NULL, NULL);
+	cas = load_chain(proxy_file);
+	create_params(cert, cas, &params);
+	ret = gums_gss_princ_to_ids("spkm3", NULL, &uid, &gid, params);
+	fprintf(stderr, "gums_gss_princ_to_ids returns %d uid=%d gid=%d\n",
+		ret, uid, gid);
+
+	if (tmp)
+		BIO_free(tmp);
+	if (cert)
+		X509_free(cert);
+	if (cas)
+		sk_X509_pop_free(cas, X509_free);
+
+	free_plugin_config_params();
+
+	if (params) {
+		for (i=0; params[i] != NULL; i++) {
+			free(params[i]->content);
+			free(params[i]);
+		}
+		free(params);
+	}
+
+	return 0;
+}
+#endif
diff --git a/support/nfsidmap/idmapd.conf b/support/nfsidmap/idmapd.conf
new file mode 100644
index 0000000..2a2f79a
--- /dev/null
+++ b/support/nfsidmap/idmapd.conf
@@ -0,0 +1,169 @@
+[General]
+#Verbosity = 0
+# The following should be set to the local NFSv4 domain name
+# The default is the host's DNS domain name.
+#Domain = local.domain.edu
+
+# In multi-domain environments, some NFS servers will append the identity
+# management domain to the owner and owner_group in lieu of a true NFSv4
+# domain.  This option can facilitate lookups in such environments.  If
+# set to a value other than "none", the nsswitch  plugin will first pass
+# the name to the password/group lookup function without stripping the
+# domain off.  If that mapping fails then the plugin will try again using
+# the old method (comparing the domain in the string to the Domain value,
+# stripping it if it matches, and passing the resulting short name to the
+# lookup function).  Valid values are "user", "group", "both", and
+# "none".  The default is "none".
+#No-Strip = none
+
+# Winbind has a quirk whereby doing a group lookup in UPN format
+# (e.g. staff@americas.example.com) will cause the group to be
+# displayed prefixed with the full domain in uppercase
+# (e.g. AMERICAS.EXAMPLE.COM\staff) instead of in the familiar netbios
+# name format (e.g. AMERICAS\staff).  Setting this option to true
+# causes the name to be reformatted before passing it to the group
+# lookup function in order to work around this.  This setting is
+# ignored unless No-Strip is set to either "both" or "group".
+# The default is "false".
+#Reformat-Group = false
+
+# The following is a comma-separated list of Kerberos realm
+# names that should be considered to be equivalent to the
+# local realm, such that <user>@REALM.A can be assumed to
+# be the same user as <user>@REALM.B
+# If not specified, the default local realm is the domain name,
+# which defaults to the host's DNS domain name,
+# translated to upper-case.
+# Note that if this value is specified, the local realm name
+# must be included in the list!
+#Local-Realms = 
+
+[Mapping]
+
+#Nobody-User = nobody
+#Nobody-Group = nobody
+
+[Translation]
+
+# Translation Method is an comma-separated, ordered list of
+# translation methods that can be used.  Distributed methods
+# include "nsswitch", "umich_ldap", and "static".  Each method
+# is a dynamically loadable plugin library.
+# New methods may be defined and inserted in the list.
+# The default is "nsswitch".
+#Method = nsswitch
+
+# Optional.  This is a comma-separated, ordered list of
+# translation methods to be used for translating GSS
+# authenticated names to ids.
+# If this option is omitted, the same methods as those
+# specified in "Method" are used.
+#GSS-Methods = <alternate method list for translating GSS names>
+ 
+#-------------------------------------------------------------------#
+# The following are used only for the "static" Translation Method.
+#-------------------------------------------------------------------#
+[Static]
+
+# A "static" list of GSS-Authenticated names to
+# local user name mappings
+
+#someuser@REALM = localuser
+
+
+#-------------------------------------------------------------------#
+# The following are used only for the "umich_ldap" Translation Method.
+#-------------------------------------------------------------------#
+
+[UMICH_SCHEMA]
+
+# server information (REQUIRED)
+LDAP_server = ldap-server.local.domain.edu
+
+# the default search base (REQUIRED)
+LDAP_base = dc=local,dc=domain,dc=edu
+
+#-----------------------------------------------------------#
+# The remaining options have defaults (as shown)
+# and are therefore not required.
+#-----------------------------------------------------------#
+
+# whether or not to perform canonicalization on the
+# name given as LDAP_server
+#LDAP_canonicalize_name = true
+
+# absolute search base for (people) accounts
+#LDAP_people_base = <LDAP_base>
+
+# absolute search base for groups
+#LDAP_group_base = <LDAP_base>
+
+# Whether to follow ldap referrals
+#LDAP_follow_referrals = true
+
+# Set to true to enable SSL - anything else is not enabled
+#LDAP_use_ssl = false
+
+# Controls the LDAP server certificate validation behavior
+# It can take the same values as ldap.conf(5)'s TLS_REQCERT
+# tunable
+#LDAP_tls_reqcert = "hard"
+
+# Location of CA certificate, mandatory if LDAP_tls_reqcert
+# is not set to "never"
+#LDAP_ca_cert = /etc/ldapca.cert
+
+# SASL mechanism to use while binding to LDAP
+#LDAP_sasl_mech = <SASL mech>
+
+# SASL realm to be used for SASL auth
+#LDAP_sasl_realm = <SASL realm>
+
+# Authentication identity to be used for SASL auth
+#LDAP_sasl_authcid = <SASL authcid>
+
+# Authorization identity for SASL auth
+#LDAP_sasl_authzid = <SASL authzid>
+
+# Cyrus SASL security properties
+#LDAP_sasl_secprops = <secprops>
+
+# Specifies whether the LDAP server hostname should be canonicalised.
+# If set to yes LDAP lib with do a reverse hostname lookup.
+# If this is not set the LDAP library's default will be used.
+#LDAP_sasl_canonicalize <yes | no>
+
+# Specifies the kerberos ticket cache to be used
+#LDAP_sasl_krb5_ccname = <kerberos ticket cache>
+
+# Objectclass mapping information
+
+# Mapping for the person (account) object class
+#NFSv4_person_objectclass = NFSv4RemotePerson
+
+# Mapping for the nfsv4name attribute the person object
+#NFSv4_name_attr = NFSv4Name
+
+# Mapping for the UID number
+#NFSv4_uid_attr = UIDNumber
+
+# Mapping for the GSSAPI Principal name
+#GSS_principal_attr = GSSAuthName
+
+# Mapping for the account name attribute (usually uid)
+# The value for this attribute must match the value of 
+# the group member attribute - NFSv4_member_attr
+#NFSv4_acctname_attr = uid
+
+# Mapping for the group object class
+#NFSv4_group_objectclass = NFSv4RemoteGroup
+
+# Mapping for the GID attribute
+#NFSv4_gid_attr = GIDNumber
+
+# Mapping for the Group NFSv4 name
+#NFSv4_group_attr = NFSv4Name
+
+# Mapping for the Group member attribute (usually memberUID)
+# The value of this attribute must match the value of NFSv4_acctname_attr
+#NFSv4_member_attr = memberUID
diff --git a/support/nfsidmap/idmapd.conf.5 b/support/nfsidmap/idmapd.conf.5
new file mode 100644
index 0000000..87e39bb
--- /dev/null
+++ b/support/nfsidmap/idmapd.conf.5
@@ -0,0 +1,411 @@
+.\"
+.\" idmapd.conf(5)
+.\"
+.\" COPYRIGHT (c) 2008
+.\" The Regents of the University of Michigan
+.\" ALL RIGHTS RESERVED
+.\" 
+.\" Permission is granted to use, copy, create derivative works
+.\" and redistribute this software and such derivative works
+.\" for any purpose, so long as the name of The University of
+.\" Michigan is not used in any advertising or publicity
+.\" pertaining to the use of distribution of this software
+.\" without specific, written prior authorization.  If the
+.\" above copyright notice or any other identification of the
+.\" University of Michigan is included in any copy of any
+.\" portion of this software, then the disclaimer below must
+.\" also be included.
+.\" 
+.\" THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+.\" FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+.\" PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+.\" MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+.\" WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+.\" REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+.\" FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+.\" CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+.\" OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+.\" IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGES.
+.\"
+.TH idmapd.conf 5 "19 Nov 2008"
+.SH NAME
+idmapd.conf \- configuration file for libnfsidmap
+.SH SYNOPSIS
+Configuration file for libnfsidmap.  Used by idmapd and svcgssd to map NFSv4 name to and from ids.
+.SH DESCRIPTION
+The
+.B idmapd.conf
+configuration file consists of several sections, initiated by strings of the
+form [General] and [Mapping].  Each section may contain lines of the form
+.nf
+  variable = value
+.fi
+The recognized sections and their recognized variables are as follows:
+.\"
+.\" -------------------------------------------------------------------
+.\" The [General] section
+.\" -------------------------------------------------------------------
+.\"
+.SS "[General] section variables"
+.nf
+
+
+.fi
+.TP
+.B Verbosity
+Verbosity level of debugging
+(Default: 0)
+.TP
+.B Domain
+The local NFSv4 domain name.  An NFSv4 domain is a namespace with
+a unique username<->UID and groupname<->GID mapping.
+(Default: Host's fully-qualified DNS domain name)
+.TP
+.B No-Strip
+In multi-domain environments, some NFS servers will append the identity
+management domain to the owner and owner_group in lieu of a true NFSv4
+domain.  This option can facilitate lookups in such environments.  If
+set to a value other than "none", the nsswitch  plugin will first pass
+the name to the password/group lookup function without stripping the
+domain off.  If that mapping fails then the plugin will try again using
+the old method (comparing the domain in the string to the Domain value,
+stripping it if it matches, and passing the resulting short name to the
+lookup function).  Valid values are "user", "group", "both", and
+"none".
+(Default: "none")
+.TP
+.B Reformat-Group
+Winbind has a quirk whereby doing a group lookup in UPN format
+(e.g. staff@americas.example.com) will cause the group to be
+displayed prefixed with the full domain in uppercase
+(e.g. AMERICAS.EXAMPLE.COM\\staff) instead of in the familiar netbios
+name format (e.g. AMERICAS\\staff).  Setting this option to true
+causes the name to be reformatted before passing it to the group
+lookup function in order to work around this.  This setting is
+ignored unless No-Strip is set to either "both" or "group".
+(Default: "false")
+.TP
+.B Local-Realms
+A comma-separated list of Kerberos realm names that may be considered equivalent to the
+local realm name.  For example, users juser@ORDER.EDU and juser@MAIL.ORDER.EDU
+may be considered to be the same user in the specified
+.B Domain.
+(Default: the host's default realm name)
+.br
+.B Note:
+If a value is specified here, the default local realm must be included as well.
+.\"
+.\" -------------------------------------------------------------------
+.\" The [Mapping] section
+.\" -------------------------------------------------------------------
+.\"
+.SS "[Mapping] section variables"
+.nf
+
+.fi
+.TP
+.B Nobody-User
+Local user name to be used when a mapping cannot be completed.
+.TP
+.B Nobody-Group
+Local group name to be used when a mapping cannot be completed.
+.\"
+.\" -------------------------------------------------------------------
+.\" The [Translation] section
+.\" -------------------------------------------------------------------
+.\"
+.SS "[Translation] section variables"
+.nf
+
+.fi
+.TP
+.B Method
+A comma-separated, ordered list of mapping methods (plug-ins)
+to use when mapping between NFSv4 names and local IDs.  Each
+specified method is tried in order until a mapping is found,
+or there are no more methods to try.  The methods included in
+the default distribution include "nsswitch", "umich_ldap", and
+"static".
+(Default: nsswitch)
+.TP
+.B GSS-Methods
+An optional comma-separated, ordered list of mapping methods (plug-ins)
+to use when mapping between GSS Authenticated names and local IDs.
+(Default: the same list as specified for
+.B Method)
+.\"
+.\" -------------------------------------------------------------------
+.\" The [Static] section
+.\" -------------------------------------------------------------------
+.\"
+.SS "[Static] section variables"
+.nf
+
+.fi
+The "static" translation method uses a static list of GSS-Authenticated
+names to local user names.  Entries in the list are of the form:
+.nf
+ principal@REALM = localusername
+.fi
+.\"
+.\" -------------------------------------------------------------------
+.\" The [REGEX] section
+.\" -------------------------------------------------------------------
+.\"
+.SS "[REGEX] section variables"
+.nf
+
+.fi
+If the "regex" translation method is specified, the following
+variables within the [REGEX] section are used to map between NFS4 names and local IDs.
+.TP
+.B User-Regex
+Case-insensitive regular expression that extracts the local user name from an NFSv4 name. Multiple expressions may be concatenated with '|'. The first match will be used.
+There is no default. A basic regular expression for domain DOMAIN.ORG and realm MY.DOMAIN.ORG would be:
+.nf
+^DOMAIN\\([^@]+)@MY.DOMAIN.ORG$
+.fi
+.TP
+.B Group-Regex
+Case-insensitive regular expression that extracts the local group name from an NFSv4 name. Multiple expressions may be concatenated with '|'. The first match will be used.
+There is no default. A basic regular expression for domain DOMAIN.ORG and realm MY.DOMAIN.ORG would be:
+.nf
+^([^@]+)@DOMAIN.ORG@MY.DOMAIN.ORG$|^DOMAIN\\([^@]+)@MY.DOMAIN.ORG$
+.fi
+.TP
+.B Prepend-Before-User
+Constant string to put before a local user name when building an NFSv4 name. Usually this is the short domain name followed by '\'.
+(Default: none)
+.TP
+.B Append-After-User
+Constant string to put after a local user name when building an NFSv4 name. Usually this is '@' followed by the default realm.
+(Default: none)
+.TP
+.B Prepend-Before-Group
+Constant string to put before a local group name when building an NFSv4 name. Usually not used.
+(Default: none)
+.TP
+.B Append-After-Group
+Constant string to put before a local group name when building an NFSv4 name. Usually this is '@' followed by the domain name followed by another '@' and the default realm.
+(Default: none)
+.TP
+.B Group-Name-Prefix
+Constant string that is prepended to a local group name when converting it to an NFSv4 name. If an NFSv4 group name has this prefix it is removed when converting it to a local group name.
+With this group names of a central directory can be shortened for an isolated organizational unit if all groups have a common prefix.
+(Default: none)
+.TP
+.B Group-Name-No-Prefix-Regex
+Case-insensitive regular expression to exclude groups from adding and removing the prefix set by
+.BR Group-Name-Prefix .
+The regular expression must match both the remote and local group names. Multiple expressions may be concatenated with '|'.
+(Default: none)
+.\"
+.\" -------------------------------------------------------------------
+.\" The [UMICH_SCHEMA] section
+.\" -------------------------------------------------------------------
+.\"
+.SS "[UMICH_SCHEMA] section variables"
+.nf
+
+.fi
+If the "umich_ldap" translation method is specified, the following
+variables within the [UMICH_SCHEMA] section are used.
+.TP
+.B LDAP_server
+LDAP server name or address
+(Required if using UMICH_LDAP)
+.TP
+.B LDAP_base
+Absolute LDAP search base.
+(Required if using UMICH_LDAP)
+.TP
+.B LDAP_people_base
+Absolute LDAP search base for people accounts.
+(Default: The
+.B LDAP_base
+value)
+.TP
+.B LDAP_group_base
+Absolute LDAP search base for group accounts.
+(Default: The
+.B LDAP_base
+value)
+.TP
+.B LDAP_canonicalize_name
+Whether or not to perform name canonicalization on the
+name given as
+.B LDAP_server
+(Default: "true")
+.TP
+.B LDAP_follow_referrals
+Whether or not to follow ldap referrals. (Default: "true")
+.TP
+.B LDAP_use_ssl
+Set to "true" to enable SSL communication with the LDAP server.
+(Default: "false")
+.TP
+.B LDAP_ca_cert
+Location of a trusted CA certificate used when SSL is enabled
+(Required if
+.B LDAP_use_ssl
+is true and
+.B LDAP_tls_reqcert
+is not set to never)
+.TP
+.B LDAP_tls_reqcert
+Controls the LDAP server certificate validation behavior.
+It can take the same values as ldap.conf(5)'s
+.B TLS_REQCERT
+tunable.
+(Default: "hard")
+.TP
+.B LDAP_timeout_seconds
+Number of seconds before timing out an LDAP request
+(Default: 4)
+.TP
+.B LDAP_sasl_mech
+SASL mechanism to be used for sasl authentication.  Required
+if SASL auth is to be used (Default: None)
+.TP
+.B LDAP_realm
+SASL realm to be used for sasl authentication. (Default: None)
+.TP
+.B LDAP_sasl_authcid
+Authentication identity to be used for sasl authentication. (Default: None)
+.TP
+.B LDAP_sasl_authzid
+Authorization identity to be used for sasl authentication. (Default: None)
+.TP
+.B LDAP_sasl_secprops
+Cyrus SASL security properties. It can  the same values as ldap.conf(5)'s
+sasl_secprops.
+.TP
+.B LDAP_sasl_canonicalize
+Specifies whether the LDAP server hostname should be canonicalised.
+If set to yes LDAP lib with do a reverse hostname lookup.
+If this is not set the LDAP library's default will be used. (Default:
+None)
+.TP
+.B LDAP_sasl_krb5_ccname
+Path to kerberos credential cache. If it is not set then the value
+of environment variable KRB5CCNAME will be used. If the environment
+variable is not set then the default mechanism of kerberos library
+will be used.
+.TP
+.B NFSv4_person_objectclass
+The object class name for people accounts in your local LDAP schema
+(Default: NFSv4RemotePerson)
+.TP
+.B NFSv4_name_attr
+Your local schema's attribute name to be used for NFSv4 user names
+(Default: NFSv4Name)
+.TP
+.B NFSv4_uid_attr
+Your local schema's attribute name to be used for uidNumber
+(Default: uidNumber)
+.TP
+.B GSS_principal_attr
+Your local schema's attribute name for GSSAPI Principal names
+(Default: GSSAuthName)
+.TP
+.B NFSv4_acctname_attr
+Your local schema's attribute name to be used for account names
+(Default: uid)
+.TP
+.B NFSv4_group_objectclass
+The object class name for group accounts in your local LDAP schema
+(Default: NFSv4RemoteGroup)
+.TP
+.B NFSv4_gid_attr
+Your local schema's attribute name to be used for gidNumber
+(Default: gidNumber)
+.TP
+.B NFSv4_group_attr
+Your local schema's attribute name to be used for NFSv4 group names
+(Default: NFSv4Name)
+.TP
+.B LDAP_use_memberof_for_groups
+Some LDAP servers do a better job with indexing where searching
+through all the groups searching for the user in the memberuid
+list.  Others like SunOne directory that search can takes minutes
+if there are thousands of groups. So setting
+.B LDAP_use_memberof_for_groups
+to true in the configuration file will use the memberof lists of 
+the account and search through only those groups to obtain gids.
+(Default: false)
+.TP
+.B NFSv4_member_attr
+If
+.B LDAP_use_memberof_for_groups
+is true, this is the attribute to be searched for.
+(Default: memberUid)
+.TP
+.B NFSv4_grouplist_filter
+An optional search filter for determining group membership.
+(No Default)
+.\"
+.\" -------------------------------------------------------------------
+.\" An Example
+.\" -------------------------------------------------------------------
+.\"
+.SH EXAMPLES
+An example
+.I /etc/idmapd.conf
+file:
+.nf
+
+
+[General]
+
+Verbosity = 0
+Domain = domain.org
+Local-Realms = DOMAIN.ORG,MY.DOMAIN.ORG,YOUR.DOMAIN.ORG
+
+[Mapping]
+
+Nobody-User = nfsnobody
+Nobody-Group = nfsnobody
+
+[Translation]
+
+Method = umich_ldap,regex,nsswitch
+GSS-Methods = umich_ldap,regex,static
+
+[Static]
+
+johndoe@OTHER.DOMAIN.ORG = johnny
+
+[Regex]
+
+User-Regex = ^DOMAIN\\([^@]+)@DOMAIN.ORG$
+Group-Regex = ^([^@]+)@DOMAIN.ORG@DOMAIN.ORG$|^DOMAIN\\([^@]+)@DOMAIN.ORG$
+Prepend-Before-User = DOMAIN\ 
+Append-After-User = @DOMAIN.ORG
+Append-After-Group = @domain.org@domain.org
+Group-Name-Prefix = sales-
+Group-Name-No-Prefix-Regex = -personal-group$
+
+[UMICH_SCHEMA]
+
+LDAP_server = ldap.domain.org
+LDAP_base = dc=org,dc=domain
+
+.fi
+.\"
+.\" -------------------------------------------------------------------
+.\" Additional sections
+.\" -------------------------------------------------------------------
+.\"
+.SH SEE ALSO
+.BR idmapd (8)
+.BR svcgssd (8)
+.\".SH COMPATIBILITY
+.\".SH STANDARDS
+.\".SH ACKNOWLEDGEMENTS
+.\".SH AUTHORS
+.\".SH HISTORY
+.SH BUGS
+Report bugs to <nfsv4@linux-nfs.org>
+.\".SH CAVEATS
diff --git a/support/nfsidmap/libnfsidmap.c b/support/nfsidmap/libnfsidmap.c
new file mode 100644
index 0000000..f8c3648
--- /dev/null
+++ b/support/nfsidmap/libnfsidmap.c
@@ -0,0 +1,712 @@
+/*
+ *  libnfsidmap.c
+ *
+ *  nfs idmapping library, primarily for nfs4 client/server kernel idmapping
+ *  and for userland nfs4 idmapping by acl libraries.
+ *
+ *  Copyright (c) 2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Marius Aamodt Eriksen <marius@umich.edu>
+ *  J. Bruce Fields <bfields@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <pwd.h>
+#include <grp.h>
+#include <netdb.h>
+#include <err.h>
+#include <syslog.h>
+#include <stdarg.h>
+#include <dlfcn.h>
+#include <ctype.h>
+#include <resolv.h>
+#include <arpa/nameser.h>
+#include <arpa/nameser_compat.h>
+
+#include "nfsidmap.h"
+#include "nfsidmap_private.h"
+#include "nfsidmap_plugin.h"
+#include "conffile.h"
+
+#pragma GCC visibility push(hidden)
+
+void nfs4_cleanup_name_mapping(void);
+static char *default_domain;
+static struct mapping_plugin **nfs4_plugins = NULL;
+static struct mapping_plugin **gss_plugins = NULL;
+uid_t nobody_uid = (uid_t)-1;
+gid_t nobody_gid = (gid_t)-1;
+
+#ifndef PATH_PLUGINS
+#define PATH_PLUGINS "/usr/lib/libnfsidmap"
+#endif
+#define PLUGIN_INIT_FUNC "libnfsidmap_plugin_init"
+
+
+#ifndef PATH_IDMAPDCONF
+#define PATH_IDMAPDCONF "/etc/idmapd.conf"
+#endif
+
+#ifndef IDMAPD_DEFAULT_DOMAIN
+#define IDMAPD_DEFAULT_DOMAIN "localdomain"
+#endif
+
+#ifndef NFS4DNSTXTREC
+#define NFS4DNSTXTREC "_nfsv4idmapdomain"
+#endif
+
+#ifndef NS_MAXMSG
+#define NS_MAXMSG 65535
+#endif
+
+/* Default logging fuction */
+static void default_logger(const char *fmt, ...)
+{
+	va_list vp;
+
+	va_start(vp, fmt);
+	vsyslog(LOG_WARNING, fmt, vp);
+	va_end(vp);
+}
+
+#pragma GCC visibility pop
+nfs4_idmap_log_function_t idmap_log_func = default_logger;
+int idmap_verbosity = 0;
+#pragma GCC visibility push(hidden)
+
+static int id_as_chars(char *name, uid_t *id)
+{
+	long int value;
+
+	if (name == NULL)
+		return 0;
+	value = strtol(name, NULL, 10);
+	if (value == 0) {
+		/* zero value ids are valid */
+		if (strcmp(name, "0") != 0)
+			return 0;
+	}
+	*id = (int)value;
+	return 1;
+}
+
+static int dns_txt_query(char *domain, char **nfs4domain)
+{
+	char *txtname = NFS4DNSTXTREC;
+	unsigned char *msg, *eom, *mptr;
+	char *answ;
+	int len, status = -1;
+	HEADER *hdr;
+	
+	msg = calloc(1, NS_MAXMSG);
+	if (msg == NULL)
+		return -1;
+
+	answ = calloc(1, NS_MAXMSG);
+	if (answ == NULL) {
+		free(msg);
+		return -1;
+	}
+
+	if (res_init() < 0) {
+		IDMAP_LOG(2, ("libnfsidmap: res_init() failed for %s.%s: %s\n",
+			txtname, domain, hstrerror(h_errno)));
+		goto freemem;
+	}
+	len = res_querydomain(txtname, domain, C_IN, T_TXT, msg, NS_MAXMSG);
+	if (len < 0) {
+		IDMAP_LOG(2, ("libnfsidmap: res_querydomain() failed for %s.%s: %s\n",
+			txtname, domain, hstrerror(h_errno)));
+		goto freemem;
+	}
+	hdr = (HEADER *)msg;
+
+	/* See if there is an answer */
+	if (ntohs(hdr->ancount) < 1) {
+		IDMAP_LOG(2, ("libnfsidmap: No TXT record for %s.%s\n",
+			txtname, domain));
+		goto freemem;
+	}
+	/* find the EndOfMessage */
+	eom = msg + len;
+
+	/* skip header */
+	mptr = &msg[HFIXEDSZ];
+
+	/* skip name field in question section */
+	mptr += dn_skipname(mptr, eom) + QFIXEDSZ;
+
+	/* read in the question */
+	len = dn_expand(msg, eom, mptr, answ, NS_MAXDNAME);
+	if (len < 0) { /* does this really matter?? */
+		IDMAP_LOG(2, ("libnfsidmap: No question section for %s.%s: %s\n",
+			txtname, domain, hstrerror(h_errno)));
+		goto freemem;
+	}
+
+	/*
+	 * Now, dissect the answer section, Note: if there
+	 * are more than one answer only the first
+	 * one will be used. 
+	 */
+
+	/* skip passed the name field  */
+	mptr += dn_skipname(mptr, eom);
+	/* skip pass the type class and ttl fields */
+	mptr += 2 + 2 + 4;
+
+	/* make sure there is some data */
+	GETSHORT(len, mptr);
+	if (len < 0) {
+		IDMAP_LOG(2, ("libnfsidmap: No data in answer for %s.%s\n",
+			txtname, domain));
+		goto freemem;
+	}
+	/* get the lenght field */
+	len = (int)*mptr++;
+	/* copy the data */
+	memcpy(answ, mptr, len);
+	answ[len] = '\0';
+	
+	*nfs4domain = strdup(answ);
+	status = 0;
+
+freemem:
+	free(msg);
+	free(answ);
+
+	return (status);
+}
+
+static int domain_from_dns(char **domain)
+{
+	struct hostent *he;
+	char hname[64], *c;
+
+	if (gethostname(hname, sizeof(hname)) == -1)
+		return -1;
+	if ((he = gethostbyname(hname)) == NULL) {
+		IDMAP_LOG(1, ("libnfsidmap: DNS lookup of hostname failed. Attempting to use domain from hostname as is."));
+		if ((c = strchr(hname, '.')) == NULL || *++c == '\0')
+			return -1;
+	}
+	else {
+		if ((c = strchr(he->h_name, '.')) == NULL || *++c == '\0')
+			return -1;
+	}
+	/* 
+	 * Query DNS to see if the _nfsv4idmapdomain TXT record exists
+	 * If so use it... 
+	 */
+	if (dns_txt_query(c, domain) < 0)
+		*domain = strdup(c);
+
+	return 0;
+}
+
+static int load_translation_plugin(char *method, struct mapping_plugin *plgn)
+{
+	void *dl = NULL;
+	struct trans_func *trans = NULL;
+	libnfsidmap_plugin_init_t init_func = NULL;
+	char plgname[128];
+	int ret = 0;
+
+	/* Look for library using search path first to allow overriding */
+	snprintf(plgname, sizeof(plgname), "%s.so", method);
+
+	dl = dlopen(plgname, RTLD_NOW | RTLD_LOCAL);
+	if (dl != NULL) {
+		/* Is it really one of our libraries */
+		init_func = (libnfsidmap_plugin_init_t) dlsym(dl, PLUGIN_INIT_FUNC);
+		if (init_func == NULL) {
+			dlclose(dl);
+			dl = NULL;
+		}
+	}
+
+	if (dl == NULL) {
+		/* Fallback to hard-coded path */
+		snprintf(plgname, sizeof(plgname), "%s/%s.so", PATH_PLUGINS, method);
+
+		dl = dlopen(plgname, RTLD_NOW | RTLD_LOCAL);
+		if (dl == NULL) {
+			IDMAP_LOG(1, ("libnfsidmap: Unable to load plugin: %s: %s",
+				  plgname, dlerror()));
+			return -1;
+		}
+		init_func = (libnfsidmap_plugin_init_t) dlsym(dl, PLUGIN_INIT_FUNC);
+		if (init_func == NULL) {
+			IDMAP_LOG(1, ("libnfsidmap: Unable to get init function: %s: %s",
+				  plgname, dlerror()));
+			dlclose(dl);
+			return -1;
+		}
+	}
+	trans = init_func();
+	if (trans == NULL) {
+		IDMAP_LOG(1, ("libnfsidmap: Failed to initialize plugin %s",
+			  PLUGIN_INIT_FUNC, plgname));
+		dlclose(dl);
+		return -1;
+	}
+	if (trans->init) {
+		ret = trans->init();
+		if (ret) {
+			IDMAP_LOG(1, ("libnfsidmap: Failed in %s's init(), "
+					"returned %d", plgname, ret));
+			dlclose(dl);
+			return -1;
+		}
+	}
+	plgn->dl_handle = dl;
+	plgn->trans = trans;
+	IDMAP_LOG(1, ("libnfsidmap: loaded plugin %s for method %s",
+		  plgname, method));
+
+	return 0;
+}
+
+static void unload_plugins(struct mapping_plugin **plgns)
+{
+	int i;
+	for (i = 0; plgns[i] != NULL; i++) {
+		if (plgns[i]->dl_handle && dlclose(plgns[i]->dl_handle))
+			IDMAP_LOG(1, ("libnfsidmap: failed to "
+				  "unload plugin for method = %s",
+				  plgns[i]->trans->name));
+		free(plgns[i]);
+	}
+	free(plgns);
+}
+
+static int load_plugins(struct conf_list *methods,
+			struct mapping_plugin ***plugins)
+{
+	int ret = -1, i = 0;
+	struct mapping_plugin **plgns;
+	struct conf_list_node *m;
+
+	plgns = calloc(methods->cnt + 1, sizeof(struct mapping_plugin *));
+	if (plgns == NULL)
+		return -1;
+	plgns[methods->cnt] = NULL;
+	for (m = TAILQ_FIRST(&methods->fields), i = 0; m;
+	     m = TAILQ_NEXT(m, link), i++) {
+		plgns[i] = calloc(1, sizeof(struct mapping_plugin));
+		if (plgns[i] == NULL)
+			goto out;
+		if (load_translation_plugin(m->field, plgns[i]) == -1) {
+			IDMAP_LOG(0, ("libnfsidmap: requested translation "
+				  "method, '%s', is not available",
+				  m->field));
+			goto out;
+		}
+	}
+	ret = 0;
+	*plugins = plgns;
+out:
+	if (ret)
+		unload_plugins(plgns);
+	return ret;
+}
+
+static char *get_default_domain(void)
+{
+	int ret;
+
+	if (default_domain)
+		return default_domain;
+	ret = domain_from_dns(&default_domain);
+	if (ret) {
+		IDMAP_LOG(0, ("Unable to determine a default nfsv4 domain; "
+			" consider specifying one in idmapd.conf"));
+		default_domain = "";
+	}
+	return default_domain;
+}
+
+void nfs4_cleanup_name_mapping(void)
+{
+	if (nfs4_plugins)
+		unload_plugins(nfs4_plugins);
+	if (gss_plugins)
+		unload_plugins(gss_plugins);
+	nfs4_plugins = gss_plugins = NULL;
+}
+
+#pragma GCC visibility pop
+
+const char * nfsidmap_conf_path = PATH_IDMAPDCONF;
+
+int nfs4_init_name_mapping(char *conffile)
+{
+	int ret = -ENOENT;
+	int dflt = 0;
+	struct conf_list *nfs4_methods, *gss_methods;
+	char *nobody_user, *nobody_group;
+
+	/* XXX: need to be able to reload configurations... */
+	if (nfs4_plugins) /* already succesfully initialized */
+		return 0;
+	if (conffile)
+		nfsidmap_conf_path = conffile;
+	conf_init_file(nfsidmap_conf_path);
+
+	default_domain = conf_get_str("General", "Domain");
+	if (default_domain == NULL) {
+		dflt = 1;
+		ret = domain_from_dns(&default_domain);
+		if (ret) {
+			IDMAP_LOG(0, ("libnfsidmap: Unable to determine "
+				  "the NFSv4 domain; Using '%s' as the NFSv4 domain "
+				  "which means UIDs will be mapped to the 'Nobody-User' "
+				  "user defined in %s", 
+				  IDMAPD_DEFAULT_DOMAIN, PATH_IDMAPDCONF));
+			default_domain = IDMAPD_DEFAULT_DOMAIN;
+		}
+	}
+	IDMAP_LOG(1, ("libnfsidmap: using%s domain: %s",
+		(dflt ? " (default)" : ""), default_domain));
+
+	struct conf_list *local_realms = get_local_realms();
+	if (local_realms == NULL) return -ENOMEM;
+
+	if (idmap_verbosity >= 1) {
+		struct conf_list_node *r;
+		char *buf = NULL;
+		int siz=0;
+
+		if (local_realms) {
+			TAILQ_FOREACH(r, &local_realms->fields, link) {
+				siz += (strlen(r->field)+4);
+			}
+			buf = malloc(siz);
+			if (buf) {
+				*buf = 0;
+				TAILQ_FOREACH(r, &local_realms->fields, link) {
+					sprintf(buf+strlen(buf), "'%s' ", r->field);
+				}
+				IDMAP_LOG(1, ("libnfsidmap: Realms list: %s", buf));
+				free(buf);
+			}
+		} else 
+			IDMAP_LOG(1, ("libnfsidmap: Realms list: <NULL> "));
+	}
+
+	nfs4_methods = conf_get_list("Translation", "Method");
+	if (nfs4_methods) {
+		IDMAP_LOG(1, ("libnfsidmap: processing 'Method' list"));
+		if (load_plugins(nfs4_methods, &nfs4_plugins) == -1) {
+			conf_free_list(nfs4_methods);
+			return -ENOENT;
+		}
+	} else {
+		struct conf_list list;
+		struct conf_list_node node;
+
+		TAILQ_INIT(&list.fields);
+		list.cnt = 1;
+		node.field = "nsswitch";
+		TAILQ_INSERT_TAIL (&list.fields, &node, link);
+
+		if (load_plugins(&list, &nfs4_plugins) == -1)
+			return -ENOENT;
+	}
+
+	gss_methods = conf_get_list("Translation", "GSS-Methods");
+	if (gss_methods) {
+		IDMAP_LOG(1, ("libnfsidmap: processing 'GSS-Methods' list"));
+		if (load_plugins(gss_methods, &gss_plugins) == -1)
+			goto out;
+	}
+
+	nobody_user = conf_get_str("Mapping", "Nobody-User");
+	if (nobody_user) {
+		size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+		struct passwd *buf;
+		struct passwd *pw = NULL;
+		int err;
+
+		buf = malloc(sizeof(*buf) + buflen);
+		if (buf) {
+			err = getpwnam_r(nobody_user, buf, ((char *)buf) + sizeof(*buf), buflen, &pw);
+			if (err == 0 && pw != NULL)
+				nobody_uid = pw->pw_uid;
+			else
+				IDMAP_LOG(1, ("libnfsidmap: Nobody-User (%s) not found: %s", 
+					nobody_user, strerror(errno)));
+			free(buf);
+		} else
+			IDMAP_LOG(0,("libnfsidmap: Nobody-User: no memory : %s", 
+					nobody_user, strerror(errno)));
+	}
+
+	nobody_group = conf_get_str("Mapping", "Nobody-Group");
+	if (nobody_group) {
+		size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+		struct group *buf;
+		struct group *gr = NULL;
+		int err;
+
+		buf = malloc(sizeof(*buf) + buflen);
+		if (buf) {
+			err = getgrnam_r(nobody_group, buf, ((char *)buf) + sizeof(*buf), buflen, &gr);
+			if (err == 0 && gr != NULL)
+				nobody_gid = gr->gr_gid;
+			else
+				IDMAP_LOG(1, ("libnfsidmap: Nobody-Group (%s) not found: %s", 
+					nobody_group, strerror(errno)));
+			free(buf);
+		} else
+			IDMAP_LOG(0,("libnfsidmap: Nobody-Group: no memory : %s", 
+					nobody_group, strerror(errno)));
+	}
+
+	ret = 0;
+out:
+	if (ret) {
+		if (nfs4_plugins)
+			unload_plugins(nfs4_plugins);
+		if (gss_plugins) {
+			unload_plugins(gss_plugins);
+		}
+		nfs4_plugins = gss_plugins = NULL;
+	}
+
+	if (gss_methods)
+		conf_free_list(gss_methods);
+
+	if (nfs4_methods)
+		conf_free_list(nfs4_methods);
+
+	return ret ? -ENOENT: 0;
+}
+
+void nfs4_term_name_mapping(void)
+{
+	if (nfs4_plugins)
+		unload_plugins(nfs4_plugins);
+	if (gss_plugins)
+		unload_plugins(gss_plugins);
+
+	nfs4_plugins = gss_plugins = NULL;
+
+	free_local_realms();
+	conf_cleanup();
+}
+
+int
+nfs4_get_default_domain(char *UNUSED(server), char *domain, size_t len)
+{
+	char *d = get_default_domain();
+
+	if (strlen(d) + 1 > len)
+		return -ERANGE;
+	strcpy(domain, d);
+	return 0;
+}
+
+/*
+ * Run through each configured translation method for
+ * function "funcname".
+ * If "prefer_gss" is true, then use the gss_plugins list,
+ * if present.  Otherwise, use the default nfs4_plugins list.
+ *
+ * If the plugin function returns -ENOENT, then continue
+ * to the next plugin.
+ */
+#define RUN_TRANSLATIONS(funcname, prefer_gss, args...)			\
+	do {								\
+		int ret, i;						\
+		struct mapping_plugin **plgns;				\
+									\
+		ret = nfs4_init_name_mapping(NULL);			\
+		if (ret)						\
+			return ret;					\
+									\
+		if ((prefer_gss) && gss_plugins)			\
+			plgns = gss_plugins;				\
+		else							\
+			plgns = nfs4_plugins;				\
+									\
+		for (i = 0; plgns[i] != NULL; i++) {			\
+			if (plgns[i]->trans->funcname == NULL)		\
+				continue;				\
+									\
+			IDMAP_LOG(4, ("%s: calling %s->%s", __func__,	\
+				  plgns[i]->trans->name, #funcname));	\
+									\
+			ret = plgns[i]->trans->funcname(args);		\
+									\
+			IDMAP_LOG(4, ("%s: %s->%s returned %d",	\
+				  __func__, plgns[i]->trans->name,	\
+				  #funcname, ret));			\
+									\
+			if (ret == -ENOENT)				\
+				continue;				\
+									\
+			break;						\
+		}							\
+		IDMAP_LOG(4, ("%s: final return value is %d",		\
+			  __func__, ret));				\
+		return ret;						\
+	} while (0)
+
+int nfs4_uid_to_name(uid_t uid, char *domain, char *name, size_t len)
+{
+	RUN_TRANSLATIONS(uid_to_name, 0, uid, domain, name, len);
+}
+
+int nfs4_gid_to_name(gid_t gid, char *domain, char *name, size_t len)
+{
+	RUN_TRANSLATIONS(gid_to_name, 0, gid, domain, name, len);
+}
+
+int nfs4_uid_to_owner(uid_t uid, char *domain, char *name, size_t len)
+{
+	if (nfs4_uid_to_name(uid, domain, name, len))
+		sprintf(name, "%u", uid);
+	return 0;
+}
+
+int nfs4_gid_to_group_owner(gid_t gid, char *domain, char *name, size_t len)
+{
+	if (nfs4_gid_to_name(gid, domain, name, len))
+		sprintf(name, "%u", gid);
+	return 0;
+}
+
+int nfs4_name_to_uid(char *name, uid_t *uid)
+{
+	RUN_TRANSLATIONS(name_to_uid, 0, name, uid);
+}
+
+int nfs4_name_to_gid(char *name, gid_t *gid)
+{
+	RUN_TRANSLATIONS(name_to_gid, 0, name, gid);
+}
+
+static int set_id_to_nobody(uid_t *id, uid_t is_uid)
+{
+	int rc = 0;
+	const char name[] = "nobody@";
+	char nobody[strlen(name) + strlen(get_default_domain()) + 1];
+
+	/* First try to see whether a Nobody-User/Nobody-Group was
+         * configured, before we try to do a full lookup for the
+         * NFS nobody user. */
+	if (is_uid && nobody_uid != (uid_t)-1) {
+		*id = (uid_t)nobody_uid;
+		return 0;
+	} else if (!is_uid && nobody_gid != (gid_t)-1) {
+		*id = (uid_t)nobody_gid;
+		return 0;
+	}
+
+	strcpy(nobody, name);
+	strcat(nobody, get_default_domain());
+
+	if (is_uid)
+		rc = nfs4_name_to_uid(nobody, id);
+	else
+		rc = nfs4_name_to_gid(nobody, id);
+
+	if (rc) {
+		*id = -2;
+		rc = 0;
+	}
+	return rc;
+}
+
+int nfs4_owner_to_uid(char *name, uid_t *uid)
+{
+	int rc = nfs4_name_to_uid(name, uid);
+	if (rc && id_as_chars(name, uid))
+		rc = 0;
+	else if (rc)
+		rc = set_id_to_nobody(uid, 1);
+	return rc;
+}
+
+int nfs4_group_owner_to_gid(char *name, gid_t *gid)
+{
+	int rc = nfs4_name_to_gid(name, gid);
+	if (rc && id_as_chars(name, gid))
+		rc = 0;
+	else if (rc)
+		rc = set_id_to_nobody((uid_t *)gid, 0);
+	return rc;
+}
+
+int nfs4_gss_princ_to_ids(char *secname, char *princ, uid_t *uid, gid_t *gid)
+{
+	RUN_TRANSLATIONS(princ_to_ids, 1, secname, princ, uid, gid, NULL);
+}
+
+int nfs4_gss_princ_to_grouplist(char *secname, char *princ,
+				gid_t *groups, int *ngroups)
+{
+	RUN_TRANSLATIONS(gss_princ_to_grouplist, 1, secname, princ,
+			 groups, ngroups, NULL);
+}
+
+int nfs4_gss_princ_to_ids_ex(char *secname, char *princ, uid_t *uid,
+			     gid_t *gid, extra_mapping_params **ex)
+{
+	RUN_TRANSLATIONS(princ_to_ids, 1, secname, princ, uid, gid, ex);
+}
+
+int nfs4_gss_princ_to_grouplist_ex(char *secname, char *princ, gid_t *groups,
+				   int *ngroups, extra_mapping_params **ex)
+{
+	RUN_TRANSLATIONS(gss_princ_to_grouplist, 1, secname, princ,
+			 groups, ngroups, ex);
+}
+
+void nfs4_set_debug(int dbg_level, void (*logger)(const char *, ...))
+{
+	if (logger)
+		idmap_log_func = logger;
+	idmap_verbosity = dbg_level;
+	IDMAP_LOG(0, ("Setting log level to %d\n", idmap_verbosity));
+}
+
+const char *nfsidmap_config_get(const char *section, const char *tag)
+{
+	return conf_get_section(section, NULL, tag);
+}
diff --git a/support/nfsidmap/libnfsidmap.pc.in b/support/nfsidmap/libnfsidmap.pc.in
new file mode 100644
index 0000000..a11dbec
--- /dev/null
+++ b/support/nfsidmap/libnfsidmap.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libnfsidmap
+Description: Library that handles mapping between names and ids for NFSv4.
+Requires:
+Version: @PACKAGE_VERSION@
+Libs: -L@libdir@ -lnfsidmap
+Cflags: -I@includedir@
diff --git a/support/nfsidmap/libtest.c b/support/nfsidmap/libtest.c
new file mode 100644
index 0000000..1c717b8
--- /dev/null
+++ b/support/nfsidmap/libtest.c
@@ -0,0 +1,160 @@
+/*
+ *  libtest.c
+ *
+ *  nfs idmapping library, primarily for nfs4 client/server kernel idmapping
+ *  and for userland nfs4 idmapping by acl libraries.
+ *
+ *  Copyright (c) 2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Andy Adamson <andros@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ *
+ *  libtest: Test the translation table functions
+ *           Reads /etc/idmapd.conf
+ *
+ *  To compile:
+ *  gcc -g libtest.c -lnfsidmap -o libtest
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <nfsidmap.h>
+
+#define QUIT_ON_ERROR 1
+#define PATH_IDMAPDCONF "/etc/idmapd.conf"
+char *conf_path = PATH_IDMAPDCONF;
+
+main(int ac, char **av)
+{
+	char *name, *princ;
+	int err, uid = 0, gid = 0;
+	char name_buf[32];
+        int gids[1000];
+        int i, ngids;
+
+	if (ac != 3) {
+		printf("Usage: %s <user@nfsv4domain> <k5princ@REALM>\n",av[0]);
+		return 1;
+	}
+
+	nfs4_set_debug(3, NULL);
+
+	name = av[1];
+	princ = av[2];
+	err = nfs4_init_name_mapping(NULL);
+	if (err) {
+		printf("nfs4_init_name_mapping: error %d\n", err);
+		return 1;
+	}
+
+	err = nfs4_gss_princ_to_ids("krb5", princ, &uid, &gid);
+	if (err)
+		printf("nfs4_gss_princ_to_ids: error %d\n", err);
+	else
+		printf("nfs4_gss_princ_to_ids: princ %s has uid %d gid %d\n",
+			princ, uid, gid);
+#if QUIT_ON_ERROR
+	if (err) {
+		printf("calling it quits!\n");
+		return err;
+	}
+#endif
+
+	err = nfs4_name_to_uid(name, &uid);
+	if (err)
+		printf("nfs4_name_to_uid: error %d\n", err);
+	else
+		printf("nfs4_name_to_uid: name %s has uid %d\n",
+			name, uid);
+
+#if QUIT_ON_ERROR
+	if (err) {
+		printf("calling it quits!\n");
+		return err;
+	}
+#endif
+	err = nfs4_name_to_gid(name, &gid);
+	if (err)
+		printf("nfs4_name_to_gid: error %d\n", err);
+	else
+		printf("nfs4_name_to_gid: name %s has gid %d\n",
+			name, gid);
+
+        ngids = 1000;
+	err =  nfs4_gss_princ_to_grouplist("krb5", princ, gids, &ngids);
+        if (err){
+                printf(" nfs4_gss_princ_to_grouplist: error %d\n", err);
+        } else {
+                printf(" nfs4_gss_princ_to_grouplist: princ %s has gids ",
+                        princ);
+		for (i = 0; i < ngids; i++) printf("%d ", gids[i]);
+		printf("\n");
+	}
+
+#if QUIT_ON_ERROR
+	if (err) {
+		printf("calling it quits!\n");
+		return err;
+	}
+#endif
+	/* uid is set by nfs4_name_to_uid() */
+	memset(name_buf, 0, 32);
+	err = nfs4_uid_to_name(uid, NULL, name_buf, 32);
+	if (err)
+		printf("nfs4_uid_to_name: error %d\n", err);
+	else
+		printf("nfs4_uid_to_name: uid %d has name %s\n",
+			uid, name_buf);
+
+#if QUIT_ON_ERROR
+	if (err) {
+		printf("calling it quits!\n");
+		return err;
+	}
+#endif
+	/* gid is set by nfs4_name_to_gid() */
+	memset(name_buf, 0, 32);
+	err = nfs4_gid_to_name(gid, NULL, name_buf, 32);
+	if (err)
+		printf("nfs4_gid_to_name: error %d\n", err);
+	else
+		printf("nfs4_gid_to_name: gid %d has name %s\n",
+			gid, name_buf);
+
+#if QUIT_ON_ERROR
+	if (err) {
+		printf("calling it quits!\n");
+		return err;
+	}
+#endif
+	return 0;
+}
diff --git a/support/nfsidmap/nfs4_uid_to_name.3 b/support/nfsidmap/nfs4_uid_to_name.3
new file mode 100644
index 0000000..8a62d8a
--- /dev/null
+++ b/support/nfsidmap/nfs4_uid_to_name.3
@@ -0,0 +1,174 @@
+.TH nfs4_uid_to_name 3  2004-08-05
+.SH NAME
+nfs4_uid_to_name, nfs4_gid_to_name, nfs4_name_to_uid, nfs4_name_to_gid,
+nfs4_init_name_mapping, nfs4_get_default_domain,
+nfs4_gss_princ_to_ids, nfs4_gss_princ_to_grouplist,
+nfs4_gss_princ_to_ids_ex,
+nfs4_gss_princ_to_grouplist_ex,
+nfs4_set_debug \- ID mapping routines used for NFSv4
+.SH SYNOPSIS
+.B #include <nfs4_idmap.h>
+.sp
+.BI "int nfs4_init_name_mapping(char *conffile);"
+.sp
+.BI "int nfs4_get_default_domain(char *server, char *domain, size_t len);"
+.sp
+.BI "int nfs4_uid_to_name(uid_t uid, char *domain, char *name, size_t len);"
+.sp
+.BI "int nfs4_uid_to_owner(uid_t uid, char *domain, char *name, size_t len);"
+.sp
+.BI "int nfs4_gid_to_name(gid_t gid, char *domain, char *name, size_t len);"
+.sp
+.BI "int nfs4_gid_to_owner(gid_t gid, char *domain, char *name, size_t len);"
+.sp
+.BI "int nfs4_name_to_uid(char *name, uid_t *uid);"
+.sp
+.BI "int nfs4_name_to_gid(char *name, gid_t *gid);"
+.sp
+.BI "int nfs4_owner_to_uid(char *name, uid_t *uid);"
+.sp
+.BI "int nfs4_owner_to_gid(char *name, gid_t *gid);"
+.sp
+.BI "int nfs4_gss_princ_to_ids(char *secname, char *princ, uid_t *uid, gid_t *gid);"
+.sp
+.BI "int nfs4_gss_princ_to_grouplist(char *secname, char *princ, gid_t *groups, int *ngroups);"
+.sp
+.BI "int nfs4_gss_princ_to_ids_ex(char *secname, char *princ, uid_t *uid, gid_t *gid, extra_mapping_params **ex);"
+.sp
+.BI "int nfs4_gss_princ_to_grouplist_ex(char *secname, char *princ, gid_t *groups, int *ngroups, extra_mapping_params **ex);"
+.sp
+.BI "void nfs4_set_debug(int dbg_level, void (*logger)(const char *, ...));"
+.sp
+.fi
+.SH DESCRIPTION
+NFSv4 uses names of the form
+.IR user@domain .
+To write code that helps the kernel map uid's (as
+rpc.idmapd
+does) or that processes NFSv4 ACLs, you need to be able to convert between
+NFSv4 names and local uids and gids.
+.PP
+The
+.B nfs4_uid_to_name()
+and
+.B nfs4_gid_to_name()
+functions, given
+.I uid 
+or
+.I gid
+and 
+.I domain
+(as a null-terminated string),
+write the corresponding nfsv4 name into the buffer provided in
+.IR name ,
+which must be of length at least
+.IR len .
+.PP
+The
+.B nfs4_uid_to_owner()
+and
+.B nfs4_gid_to_group_owner()
+functions, given
+.I uid
+or
+.I gid
+and
+.I domain
+(as a null-terminated string),
+write the corresponding nfsv4 name into the buffer provided in
+.IR name ,
+which must be of length at least
+.IR len .
+If there is no valid mapping from
+.I uid
+or
+.I gid
+to
+.IR name ,
+then the numerical string representing uid or gid is returned instead.
+.PP
+The 
+.B nfs4_name_to_uid()
+and
+.B nfs4_name_to_gid()
+functions, given
+.I name
+(as a null-terminated string), return the corresponding uid or gid in
+the second parameter.
+.PP
+The 
+.B nfs4_owner_to_uid()
+and
+.B nfs4_group_owner_to_gid()
+functions, given
+.I name
+(as a null-terminated string), return the corresponding uid or gid in
+the second parameter.
+If there is no valid mapping from
+.I name
+to
+.I uid
+or
+.I gid
+the value for the user or group "nobody" will be returned instead.
+. PP
+The
+.B nfs4_init_name_mapping()
+function must be called before using any of these functions.  It reads
+defaults from the configuration file at the provided path, usually
+"etc/idmapd.conf".
+.PP
+The
+.I domain
+argument to the id-to-name functions is there to provide a hint to the name
+mapper in the case where an id might be mapped to names in multiple domains.
+In most cases, this argument should just be the name returned in the
+.I domain
+argument to
+.B nfs4_get_default_domain()
+which should be called with
+.I server
+set to NULL.  The
+.I domain
+should be a buffer of length
+.IR len .
+The constant NFS4_MAX_DOMAIN_LEN may be used to determine a reasonable
+value for that length.
+.PP
+The function
+.BR nfs4_get_grouplist() ,
+given a
+.IR name ,
+fills the provided array
+.I groups
+with up to 
+.I *ngroups
+group IDs corresponding to which the user
+.I name
+belongs to, setting
+.I *ngroups
+to the actual number of such groups.  If the user belongs to more than
+.I *ngroups
+groups, then an error is returned and the actual number of groups is stored in
+*ngroups.
+.PP
+Functions
+.BR nfs4_gss_princ_to_ids() ,
+.BR nfs4_gss_princ_to_grouplist() ,
+.BR nfs4_gss_princ_to_ids_ex() ,
+and
+.B nfs4_gss_princ_to_grouplist_ex()
+are used to convert from a gss principal name (as returned by
+.BR gss_display_name() )
+to a uid and gid, or list of gids.
+.PP
+Finally,
+.B nfs4_set_debug()
+allows the application to set a debugging level to produce extra
+debugging information from within the library.  The optional
+.I logger
+function specifies an alternative logging function to call for
+the debug messages rather than the default internal function
+within the library.
+.SH RETURN VALUE
+All functions return 0 or, in the case of error, -ERRNO.
diff --git a/support/nfsidmap/nfsidmap.h b/support/nfsidmap/nfsidmap.h
new file mode 100644
index 0000000..5a79568
--- /dev/null
+++ b/support/nfsidmap/nfsidmap.h
@@ -0,0 +1,68 @@
+/*
+ *  nfsidmap.h
+ *
+ *  nfs idmapping library, primarily for nfs4 client/server kernel idmapping
+ *  and for userland nfs4 idmapping by acl libraries.
+ *
+ *  Copyright (c) 2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  J. Bruce Fields <bfields@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* XXX arbitrary */
+#define NFS4_MAX_DOMAIN_LEN 512
+typedef enum {
+	X509_CERT = 1
+} extra_mapping_types;
+	
+typedef struct _extra_mapping_params {
+	void *content;
+	int content_type;
+	int content_len;
+} extra_mapping_params;
+
+typedef void (*nfs4_idmap_log_function_t)(const char *, ...);
+
+int nfs4_init_name_mapping(char *conffile);
+void nfs4_term_name_mapping(void);
+int nfs4_get_default_domain(char *server, char *domain, size_t len);
+int nfs4_uid_to_name(uid_t uid, char *domain, char *name, size_t len);
+int nfs4_gid_to_name(gid_t gid, char *domain, char *name, size_t len);
+int nfs4_uid_to_owner(uid_t uid, char *domain, char *name, size_t len);
+int nfs4_gid_to_group_owner(gid_t gid, char *domain, char *name, size_t len);
+int nfs4_name_to_uid(char *name, uid_t *uid);
+int nfs4_name_to_gid(char *name, gid_t *gid);
+int nfs4_owner_to_uid(char *name, uid_t *uid);
+int nfs4_owner_to_gid(char *name, gid_t *gid);
+int nfs4_group_owner_to_gid(char *name, gid_t *gid);
+int nfs4_gss_princ_to_ids(char *secname, char *princ, uid_t *uid, gid_t *gid);
+int nfs4_gss_princ_to_grouplist(char *secname, char *princ, gid_t *groups, int *ngroups);
+int nfs4_gss_princ_to_ids_ex(char *secname, char *princ, uid_t *uid, gid_t *gid, extra_mapping_params **ex);
+int nfs4_gss_princ_to_grouplist_ex(char *secname, char *princ, gid_t *groups, int *ngroups, extra_mapping_params **ex);
+void nfs4_set_debug(int dbg_level, nfs4_idmap_log_function_t dbg_logfunc);
diff --git a/support/nfsidmap/nfsidmap_common.c b/support/nfsidmap/nfsidmap_common.c
new file mode 100644
index 0000000..4d2cb14
--- /dev/null
+++ b/support/nfsidmap/nfsidmap_common.c
@@ -0,0 +1,118 @@
+/*
+ *  nfsidmap_common.c
+ *
+ *  nfs idmapping library, primarily for nfs4 client/server kernel idmapping
+ *  and for userland nfs4 idmapping by acl libraries.
+ *
+ *  Code common to libnfsidmap and some of its bundled plugins
+ *
+ *  If you make use of these functions you must initialise your own
+ *  copy of the config file data using: conf_init_file(nfsidmap_conf_path)
+ *  failure to do so will appear as if the config was empty
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+#include "nfsidmap.h"
+#include "nfsidmap_private.h"
+#include "nfsidmap_plugin.h"
+#include "conffile.h"
+
+#pragma GCC visibility push(hidden)
+
+static char * toupper_str(char *s)
+{
+        size_t i;
+        for (i=0; i < strlen(s); i++)
+                s[i] = toupper(s[i]);
+        return s;
+}
+
+static struct conf_list *local_realms = NULL;
+
+void free_local_realms(void)
+{
+	if (local_realms) {
+		conf_free_list(local_realms);
+		local_realms = NULL;
+	}
+}
+
+/* Get list of "local equivalent" realms.  Meaning the list of realms
+ * where john@REALM.A is considered the same user as john@REALM.B
+ * If not specified, default to upper-case of local domain name */
+struct conf_list *get_local_realms(void)
+{
+	if (local_realms) return local_realms;
+
+	local_realms = conf_get_list("General", "Local-Realms");
+	if (local_realms == NULL) {
+		struct conf_list_node *node;
+
+		local_realms = malloc(sizeof *local_realms);
+		if (local_realms == NULL)
+			return NULL;
+		local_realms->cnt = 0;
+		TAILQ_INIT(&local_realms->fields);
+
+		node = calloc(1, sizeof *node);
+		if (node == NULL)
+			return NULL;
+
+		node->field = calloc(1, NFS4_MAX_DOMAIN_LEN);
+		if (node->field == NULL) {
+			free(node);
+			return NULL;
+		}
+
+		nfs4_get_default_domain(NULL, node->field, NFS4_MAX_DOMAIN_LEN);
+		toupper_str(node->field);
+
+		TAILQ_INSERT_TAIL(&local_realms->fields, node, link);
+		local_realms->cnt++;
+	}
+	return local_realms;
+}
+
+static int no_strip = -1;
+static int reformat_group = 0;
+
+int get_nostrip(void)
+{
+	if (no_strip != -1) return no_strip;
+
+	char * nostrip = conf_get_str_with_def("General", "No-Strip", "none");
+	if (strcasecmp(nostrip, "both") == 0)
+		no_strip = IDTYPE_USER|IDTYPE_GROUP;
+	else if (strcasecmp(nostrip, "group") == 0)
+		no_strip = IDTYPE_GROUP;
+	else if (strcasecmp(nostrip, "user") == 0)
+		no_strip = IDTYPE_USER;
+	else
+		no_strip = 0;
+
+	if (no_strip & IDTYPE_GROUP) {
+		char * reformatgroup = conf_get_str_with_def("General", "Reformat-Group", "false");
+		if ((strcasecmp(reformatgroup, "true") == 0) ||
+		    (strcasecmp(reformatgroup, "on") == 0) ||
+		    (strcasecmp(reformatgroup, "yes") == 0))
+			reformat_group = 1;
+		else
+			reformat_group = 0;
+	}
+
+	return no_strip;
+}
+
+int get_reformat_group(void)
+{
+	if (no_strip != -1) return reformat_group;
+
+	return reformat_group;
+}
diff --git a/support/nfsidmap/nfsidmap_plugin.h b/support/nfsidmap/nfsidmap_plugin.h
new file mode 100644
index 0000000..66fcdaa
--- /dev/null
+++ b/support/nfsidmap/nfsidmap_plugin.h
@@ -0,0 +1,70 @@
+/*
+ *  nfsidmap_plugin.h
+ *
+ *  Essentials functions and structs required when building
+ *  plugins for libnfsidmap that are otherwise not exposed
+ *  in the public API
+ *
+ *  Copyright (c) 2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Andy Adamson <andros@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+struct trans_func {
+	char *name;
+	int (*init)(void);
+	int (*princ_to_ids)(char *secname, char *princ, uid_t *uid, gid_t *gid, 
+		extra_mapping_params **ex);
+	int (*name_to_uid)(char *name, uid_t *uid);
+	int (*name_to_gid)(char *name, gid_t *gid);
+	int (*uid_to_name)(uid_t uid, char *domain, char *name, size_t len);
+	int (*gid_to_name)(gid_t gid, char *domain, char *name, size_t len);
+	int (*gss_princ_to_grouplist)(char *secname, char *princ, gid_t *groups,
+		int *ngroups, extra_mapping_params **ex);
+};
+
+extern int idmap_verbosity;
+extern nfs4_idmap_log_function_t idmap_log_func;
+struct trans_func *libnfsidmap_plugin_init(void);
+
+/* Level zero always prints, others print depending on verbosity level */
+#define IDMAP_LOG(LVL, MSG) \
+	do { if (LVL <= idmap_verbosity) (*idmap_log_func)MSG; } while (0)
+
+#ifndef UNUSED
+#ifdef __GNUC__
+#define UNUSED(foo) UNUSED_ ## foo __attribute__((__unused__))
+#else
+#define UNUSED(foo) UNUSED_ ## foo
+#endif
+#endif
+
+extern const char *nfsidmap_conf_path;
+extern const char *nfsidmap_config_get(const char *section, const char *tag);
+
diff --git a/support/nfsidmap/nfsidmap_private.h b/support/nfsidmap/nfsidmap_private.h
new file mode 100644
index 0000000..a5cb6dd
--- /dev/null
+++ b/support/nfsidmap/nfsidmap_private.h
@@ -0,0 +1,54 @@
+/*
+ *  nfsidmap_private.h
+ *
+ *  For use only by bundled plugins, not for external use
+ *
+ *  Copyright (c) 2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Andy Adamson <andros@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "conffile.h"
+
+struct conf_list *get_local_realms(void);
+void free_local_realms(void);
+int get_nostrip(void);
+int get_reformat_group(void);
+
+typedef enum {
+	IDTYPE_USER = 1,
+	IDTYPE_GROUP = 2
+} idtypes;
+
+typedef struct trans_func * (*libnfsidmap_plugin_init_t)(void);
+
+struct mapping_plugin {
+	void *dl_handle;
+	struct trans_func *trans;
+};
diff --git a/support/nfsidmap/nss.c b/support/nfsidmap/nss.c
new file mode 100644
index 0000000..0f43076
--- /dev/null
+++ b/support/nfsidmap/nss.c
@@ -0,0 +1,494 @@
+/*
+ *  nss.c
+ *
+ *  nsswitch idmapping functions.
+ *
+ *  Copyright (c) 2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  J. Bruce Fields <bfields@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <pwd.h>
+#include <grp.h>
+#include <netdb.h>
+#include <err.h>
+#include <grp.h>
+#include <limits.h>
+#include <ctype.h>
+#include "nfsidmap.h"
+#include "nfsidmap_plugin.h"
+#include "nfsidmap_private.h"
+#include <syslog.h>
+
+static char *get_default_domain(void)
+{
+	static char default_domain[NFS4_MAX_DOMAIN_LEN] = "";
+	if (default_domain[0] == 0) {
+		nfs4_get_default_domain(NULL, default_domain, NFS4_MAX_DOMAIN_LEN);
+	}
+	return default_domain;
+}
+
+/*
+ * NSS Translation Methods
+ *
+ * These are all just wrappers around getpwnam and friends;
+ * we tack on the given domain to the results of getpwnam when looking up a uid,
+ * and ignore the domain entirely when looking up a name.
+ */
+
+static int write_name(char *dest, char *localname, char *domain, size_t len,
+		      int doappend)
+{
+	if (doappend || !strchr(localname,'@')) {
+		if (strlen(localname) + 1 + strlen(domain) + 1 > len)
+			return -ENOMEM; /* XXX: Is there an -ETOOLONG? */
+		strcpy(dest, localname);
+		strcat(dest, "@");
+		strcat(dest, domain);
+	} else {
+		if (strlen(localname) + 1 > len)
+			return -ENOMEM;
+		strcpy(dest, localname);
+	}
+	return 0;
+}
+
+static int nss_uid_to_name(uid_t uid, char *domain, char *name, size_t len)
+{
+	struct passwd *pw = NULL;
+	struct passwd pwbuf;
+	char *buf;
+	size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+	int err = -ENOMEM;
+
+	buf = malloc(buflen);
+	if (!buf)
+		goto out;
+	if (domain == NULL)
+		domain = get_default_domain();
+	err = -getpwuid_r(uid, &pwbuf, buf, buflen, &pw);
+	if (pw == NULL)
+		err = -ENOENT;
+	if (err)
+		goto out_buf;
+	if (get_nostrip() & IDTYPE_USER)
+		err = write_name(name, pw->pw_name, domain, len, 0);
+	else
+		err = write_name(name, pw->pw_name, domain, len, 1);
+out_buf:
+	free(buf);
+out:
+	return err;
+}
+
+static int nss_gid_to_name(gid_t gid, char *domain, char *name, size_t len)
+{
+	struct group *gr = NULL;
+	struct group grbuf;
+	char *buf;
+	size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+	int err;
+
+	if (domain == NULL)
+		domain = get_default_domain();
+
+	do {
+		err = -ENOMEM;
+		buf = malloc(buflen);
+		if (!buf)
+			goto out;
+		err = -getgrgid_r(gid, &grbuf, buf, buflen, &gr);
+		if (gr == NULL && !err)
+			err = -ENOENT;
+		if (err == -ERANGE) {
+			buflen *= 2;
+			free(buf);
+		}
+	} while (err == -ERANGE);
+
+	if (err)
+		goto out_buf;
+	if (get_nostrip() & IDTYPE_GROUP)
+		err = write_name(name, gr->gr_name, domain, len, 0);
+	else
+		err = write_name(name, gr->gr_name, domain, len, 1);
+out_buf:
+	free(buf);
+out:
+	return err;
+}
+
+/* XXX: actually should return error, so can distinguish between
+ * memory allocation failure and failure to match domain */
+static char *strip_domain(const char *name, const char *domain)
+{
+	const char *c;
+	char *l = NULL;
+	int len;
+
+	if (name == NULL)
+		goto out;
+
+	c = strrchr(name, '@');
+	if (c == NULL && domain != NULL)
+		goto out;
+	if (c == NULL && domain == NULL) {
+		len = strlen(name) + 1;
+	} else {
+		if (domain && strcasecmp(c + 1, domain) != 0)
+			goto out;
+		len = c - name;
+	}
+
+	l = malloc(len + 1);
+	if (l == NULL)
+		goto out;
+	memcpy(l, name, len);
+	l[len] = '\0';
+out:
+	return l;
+}
+
+struct pwbuf {
+	struct passwd pwbuf;
+	char buf[1];
+};
+
+static struct passwd *nss_getpwnam(const char *name, const char *domain,
+				   int *err_p, int dostrip)
+{
+	struct passwd *pw;
+	struct pwbuf *buf;
+	size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+	char *localname;
+	int err = ENOMEM;
+
+	if (buflen > UINT_MAX)
+		goto err;
+
+	buf = malloc(sizeof(*buf) + buflen);
+	if (buf == NULL)
+		goto err;
+
+	err = EINVAL;
+	if (dostrip) {
+		localname = strip_domain(name, domain);
+		IDMAP_LOG(4, ("nss_getpwnam: name '%s' domain '%s': "
+			  "resulting localname '%s'", name, domain, localname));
+		if (localname == NULL) {
+			IDMAP_LOG(0, ("nss_getpwnam: name '%s' does not map "
+				"into domain '%s'", name,
+				domain ? domain : "<not-provided>"));
+			goto err_free_buf;
+		}
+
+		err = getpwnam_r(localname, &buf->pwbuf, buf->buf, buflen, &pw);
+		if (pw == NULL && domain != NULL)
+			IDMAP_LOG(1,
+				("nss_getpwnam: name '%s' not found in domain '%s'",
+				localname, domain));
+		free(localname);
+	} else {
+		err = getpwnam_r(name, &buf->pwbuf, buf->buf, buflen, &pw);
+		if (pw == NULL)
+			IDMAP_LOG(1,
+				("nss_getpwnam: name '%s' not found (domain not stripped)", name));
+	}
+	if (err == 0 && pw != NULL) {
+		*err_p = 0;
+		return pw;
+	} else if (err == 0 && pw == NULL) {
+		err = ENOENT;
+	}
+
+err_free_buf:
+	free(buf);
+err:
+	*err_p = -err;
+	return NULL;
+}
+
+static int nss_name_to_uid(char *name, uid_t *uid)
+{
+	struct passwd *pw = NULL;
+	char *domain;
+	int err = -ENOENT;
+
+	domain = get_default_domain();
+	if (get_nostrip() & IDTYPE_USER) {
+		pw = nss_getpwnam(name, domain, &err, 0);
+		if (pw != NULL)
+			goto out_uid;
+	}
+	pw = nss_getpwnam(name, domain, &err, 1);
+	if (pw == NULL)
+		goto out;
+out_uid:
+	*uid = pw->pw_uid;
+	IDMAP_LOG(4, ("nss_name_to_uid: name '%s' uid %u", name, *uid));
+	free(pw);
+	err = 0;
+out:
+	return err;
+}
+
+static char *reformat_name(const char *name)
+{
+	const char *domain;
+	const char *c;
+	const char *d;
+	char *l = NULL;
+	int len;
+	int dlen = 0;
+	int i;
+
+	c = strchr(name, '@');
+	if (c == NULL)
+		goto out;
+	len = c - name;
+	domain = ++c;
+	d = strchr(domain, '.');
+	if (d == NULL)
+		goto out;
+	dlen = d - domain;
+	l = malloc(dlen + 1 + len + 1);
+	if (l == NULL)
+		goto out;
+	for (i = 0; i < dlen; i++)
+		l[i] = toupper(domain[i]);
+	l[dlen] = '\\';
+	memcpy(l + dlen + 1, name, len);
+	l[dlen + 1 + len] = '\0';
+out:
+	return l;
+}
+
+static int _nss_name_to_gid(char *name, gid_t *gid, int dostrip)
+{
+	struct group *gr = NULL;
+	struct group grbuf;
+	char *buf, *domain;
+	size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+	int err = -EINVAL;
+	char *localname = NULL;
+	char *ref_name = NULL;
+
+	domain = get_default_domain();
+	if (dostrip) {
+		localname = strip_domain(name, domain);
+		IDMAP_LOG(4, ("nss_name_to_gid: name '%s' domain '%s': "
+			  "resulting localname '%s'", name, domain, localname));
+		if (!localname) {
+			IDMAP_LOG(0, ("nss_name_to_gid: name '%s' does not map "
+				  "into domain '%s'", name, domain));
+			goto out;
+		}
+	} else if (get_reformat_group()) {
+		ref_name = reformat_name(name);
+		if (ref_name == NULL) {
+			IDMAP_LOG(1, ("nss_name_to_gid: failed to reformat name '%s'",
+				  name));
+			err = -ENOENT;
+			goto out;
+		}
+	}
+
+	err = -ENOMEM;
+	if (buflen > UINT_MAX)
+		goto out_name;
+
+	do {
+		buf = malloc(buflen);
+		if (!buf)
+			goto out_name;
+		if (dostrip)
+			err = -getgrnam_r(localname, &grbuf, buf, buflen, &gr);
+		else if (get_reformat_group())
+			err = -getgrnam_r(ref_name, &grbuf, buf, buflen, &gr);
+		else
+			err = -getgrnam_r(name, &grbuf, buf, buflen, &gr);
+		if (gr == NULL && !err) {
+			if (dostrip)
+				IDMAP_LOG(1, ("nss_name_to_gid: name '%s' not found "
+					  "in domain '%s'", localname, domain));
+			else if (get_reformat_group())
+				IDMAP_LOG(1, ("nss_name_to_gid: name '%s' not found "
+					  "(reformatted)", ref_name));
+			else
+				IDMAP_LOG(1, ("nss_name_to_gid: name '%s' not found "
+					  "(domain not stripped)", name));
+			err = -ENOENT;
+		}
+		if (err == -ERANGE) {
+			buflen *= 2;
+			free(buf);
+		}
+	} while (err == -ERANGE);
+
+	if (err)
+		goto out_buf;
+	*gid = gr->gr_gid;
+	IDMAP_LOG(4, ("nss_name_to_gid: name '%s' gid %u", name, *gid));
+out_buf:
+	free(buf);
+out_name:
+	free(localname);
+	free(ref_name);
+out:
+	return err;
+}
+
+static int nss_name_to_gid(char *name, gid_t *gid)
+{
+	int err = 0;
+
+	if (get_nostrip() & IDTYPE_GROUP) {
+		err = _nss_name_to_gid(name, gid, 0);
+		if (!err)
+			goto out;
+	}
+	err = _nss_name_to_gid(name, gid, 1);
+out:
+	return err;
+}
+
+static int nss_gss_princ_to_ids(char *secname, char *princ,
+				uid_t *uid, uid_t *gid,
+				extra_mapping_params **UNUSED(ex))
+{
+	struct passwd *pw;
+	int err = 0;
+	char *princ_realm;
+	struct conf_list *realms;
+	struct conf_list_node *r;
+	int found = 0;
+
+	if (strcmp(secname, "spkm3") == 0)
+		return -ENOENT;
+
+	if (strcmp(secname, "krb5") != 0)
+		return -EINVAL;
+
+	/* get princ's realm */
+	princ_realm = strstr(princ, "@");
+	if (princ_realm == NULL)
+		return -EINVAL;
+	princ_realm++;
+
+	/* get list of "local-equivalent" realms and
+	 * check against the principal's realm */
+	realms = get_local_realms();
+	TAILQ_FOREACH(r, &realms->fields, link) {
+		if (strcmp(r->field, princ_realm) == 0) {
+			found = 1;
+			break;
+		}
+	}
+	if (!found) {
+		IDMAP_LOG(1, ("nss_gss_princ_to_ids: Local-Realm '%s': NOT FOUND", 
+			princ_realm));
+		return -ENOENT;
+	}
+	/* XXX: this should call something like getgssauthnam instead? */
+	pw = nss_getpwnam(princ, NULL, &err, 1);
+	if (pw == NULL) {
+		err = -ENOENT;
+		goto out;
+	}
+	*uid = pw->pw_uid;
+	*gid = pw->pw_gid;
+	free(pw);
+out:
+	return err;
+}
+
+static int nss_gss_princ_to_grouplist(char *secname, char *princ,
+			       gid_t *groups, int *ngroups,
+			       extra_mapping_params **UNUSED(ex))
+{
+	struct passwd *pw;
+	int ret = -EINVAL;
+
+	if (strcmp(secname, "krb5") != 0)
+		goto out;
+	/* XXX: not quite right?  Need to know default realm? */
+	/* XXX: this should call something like getgssauthnam instead? */
+	pw = nss_getpwnam(princ, NULL, &ret, 1);
+	if (pw == NULL) {
+		ret = -ENOENT;
+		goto out;
+	}
+	if (getgrouplist(pw->pw_name, pw->pw_gid, groups, ngroups) < 0)
+		ret = -ERANGE;
+	free(pw);
+out:
+	return ret;
+}
+
+static int nss_plugin_init(void)
+{
+	if (nfsidmap_conf_path)
+		conf_init_file(nfsidmap_conf_path);
+	return 0;
+}
+
+/*
+ * Called by dlclose(). See dlopen(3) man page
+ */
+__attribute__((destructor))
+static int nss_plugin_term(void)
+{
+	free_local_realms();
+	conf_cleanup();
+	return 0;
+}
+
+
+struct trans_func nss_trans = {
+	.name		= "nsswitch",
+	.init		= nss_plugin_init,
+	.princ_to_ids	= nss_gss_princ_to_ids,
+	.name_to_uid	= nss_name_to_uid,
+	.name_to_gid	= nss_name_to_gid,
+	.uid_to_name	= nss_uid_to_name,
+	.gid_to_name	= nss_gid_to_name,
+	.gss_princ_to_grouplist = nss_gss_princ_to_grouplist,
+};
+
+struct trans_func *libnfsidmap_plugin_init(void)
+{
+	return (&nss_trans);
+}
diff --git a/support/nfsidmap/regex.c b/support/nfsidmap/regex.c
new file mode 100644
index 0000000..8424179
--- /dev/null
+++ b/support/nfsidmap/regex.c
@@ -0,0 +1,549 @@
+/*
+ *  regex.c
+ *
+ *  regex idmapping functions.
+ *
+ *  Copyright (c) 2017-2020 Stefan Walter <stefan.walter@inf.ethz.ch>.
+ *  Copyright (c) 2008 David H?rdeman <david@hardeman.nu>.
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
+#include <errno.h>
+#include <err.h>
+#include <regex.h>
+
+#include "nfsidmap.h"
+#include "nfsidmap_plugin.h"
+
+#define CONFIG_GET_STRING nfsidmap_config_get
+extern const char *nfsidmap_config_get(const char *, const char *);
+
+#define MAX_MATCHES 100
+
+regex_t group_re;
+regex_t user_re;
+regex_t gpx_re;
+int use_gpx;
+const char * group_prefix;
+const char * group_name_prefix;
+const char * group_suffix;
+const char * user_prefix;
+const char * user_suffix;
+const char * group_map_file;
+const char * group_map_section;
+char empty = '\0';
+size_t group_name_prefix_length;
+
+struct pwbuf {
+        struct passwd pwbuf;
+        char buf[1];
+};
+
+struct grbuf {
+        struct group grbuf;
+        char buf[1];
+};
+
+static char *get_default_domain(void)
+{
+        static char default_domain[NFS4_MAX_DOMAIN_LEN] = "";
+        if (default_domain[0] == 0) {
+                nfs4_get_default_domain(NULL, default_domain, NFS4_MAX_DOMAIN_LEN);
+        }
+        return default_domain;
+}
+
+/*
+ * Regexp Translation Methods
+ *
+ */
+
+static struct passwd *regex_getpwnam(const char *name, const char *UNUSED(domain),
+				      int *err_p)
+{
+	struct passwd *pw;
+	struct pwbuf *buf;
+	size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+	char *localname;
+	size_t namelen;
+	int err;
+	int status;
+	int index;
+	regmatch_t matches[MAX_MATCHES];
+
+	buf = malloc(sizeof(*buf) + buflen);
+	if (!buf) {
+		err = ENOMEM;
+		goto err;
+	}
+
+	status = regexec(&user_re, name, MAX_MATCHES, matches, 0);
+	if (status) {
+		IDMAP_LOG(4, ("regexp_getpwnam: user '%s' did not match regex", name));
+		err = ENOENT;
+		goto err_free_buf;
+	}
+
+	for (index = 1; index < MAX_MATCHES ; index++)
+	{
+		if (matches[index].rm_so >= 0)
+			break;
+	}
+
+	if (index == MAX_MATCHES) {
+		IDMAP_LOG(4, ("regexp_getpwnam: user '%s' did not match regex", name));
+		err = ENOENT;
+		goto err_free_buf;
+	}
+
+	namelen = matches[index].rm_eo - matches[index].rm_so;
+	localname= malloc(namelen + 1);
+	if (!localname)
+	{
+		err = ENOMEM;
+		goto err_free_buf;
+	}
+	strncpy(localname, name+matches[index].rm_so, namelen);
+	localname[namelen] = '\0';
+
+again:
+	err = getpwnam_r(localname, &buf->pwbuf, buf->buf, buflen, &pw);
+
+	if (err == EINTR)
+		goto again;
+
+	if (!pw) {
+		if (err == 0)
+			err = ENOENT;
+
+		IDMAP_LOG(4, ("regex_getpwnam: local user '%s' for '%s' not found",
+		  localname, name));
+
+		goto err_free_name;
+	}
+
+	IDMAP_LOG(4, ("regexp_getpwnam: name '%s' mapped to '%s'",
+		  name, localname));
+
+	free(localname);
+	*err_p = 0;
+	return pw;
+
+err_free_name:
+	free(localname);
+err_free_buf:
+	free(buf);
+err:
+	*err_p = err;
+	return NULL;
+}
+
+static struct group *regex_getgrnam(const char *name, const char *UNUSED(domain),
+				      int *err_p)
+{
+	struct group *gr;
+	struct grbuf *buf;
+	size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+	char *localgroup;
+	char *groupname;
+	size_t namelen;
+	int err = 0;
+	int index;
+	int status;
+	regmatch_t matches[MAX_MATCHES];
+
+	buf = malloc(sizeof(*buf) + buflen);
+	if (!buf) {
+		err = ENOMEM;
+		goto err;
+	}
+
+	status = regexec(&group_re, name, MAX_MATCHES, matches, 0);
+	if (status) {
+		IDMAP_LOG(4, ("regexp_getgrnam: group '%s' did not match regex", name));
+		err = ENOENT;
+		goto err_free_buf;
+	}
+
+	for (index = 1; index < MAX_MATCHES ; index++)
+	{
+		if (matches[index].rm_so >= 0)
+			break;
+	}
+
+	if (index == MAX_MATCHES) {
+		IDMAP_LOG(4, ("regexp_getgrnam: group '%s' did not match regex", name));
+		err = ENOENT;
+		goto err_free_buf;
+	}
+
+	namelen = matches[index].rm_eo - matches[index].rm_so;
+	localgroup = malloc(namelen + 1);
+	if (!localgroup)
+	{
+		err = ENOMEM;
+		goto err_free_buf;
+	}
+	strncpy(localgroup, name+matches[index].rm_so, namelen);
+	localgroup[namelen] = '\0';
+
+	IDMAP_LOG(4, ("regexp_getgrnam: group '%s' after match of regex", localgroup));
+
+        groupname = localgroup;
+    	if (group_name_prefix_length && ! strncmp(group_name_prefix, localgroup, group_name_prefix_length))
+	{
+		err = 1;
+		if (use_gpx)
+			err = regexec(&gpx_re, localgroup, 0, NULL, 0);
+
+		if (err)
+		{
+			IDMAP_LOG(4, ("regexp_getgrnam: removing prefix '%s' (%d long) from group '%s'", group_name_prefix, group_name_prefix_length, localgroup));
+				groupname += group_name_prefix_length;
+		}
+		else
+		{
+			IDMAP_LOG(4, ("regexp_getgrnam: not removing prefix from group '%s'", localgroup));
+		}
+	}
+
+	IDMAP_LOG(4, ("regexp_getgrnam: will use '%s'", groupname));
+
+again:
+	err = getgrnam_r(groupname, &buf->grbuf, buf->buf, buflen, &gr);
+
+	if (err == EINTR)
+		goto again;
+
+	if (!gr) {
+		if (err == 0)
+			err = ENOENT;
+
+		IDMAP_LOG(4, ("regex_getgrnam: local group '%s' for '%s' not found", groupname, name));
+
+		goto err_free_name;
+	}
+
+	IDMAP_LOG(4, ("regex_getgrnam: group '%s' mapped to '%s'", name, groupname));
+
+	free(localgroup);
+
+	*err_p = 0;
+	return gr;
+
+err_free_name:
+	free(localgroup);
+err_free_buf:
+	free(buf);
+err:
+	*err_p = err;
+	return NULL;
+}
+
+static int regex_gss_princ_to_ids(char *secname, char *princ,
+				   uid_t *uid, uid_t *gid,
+				   extra_mapping_params **UNUSED(ex))
+{
+	struct passwd *pw;
+	int err;
+
+	/* XXX: Is this necessary? */
+	if (strcmp(secname, "krb5") != 0 && strcmp(secname, "spkm3") != 0)
+		return -EINVAL;
+
+	pw = regex_getpwnam(princ, NULL, &err);
+
+	if (pw) {
+		*uid = pw->pw_uid;
+		*gid = pw->pw_gid;
+		free(pw);
+	}
+
+	return -err;
+}
+
+static int regex_gss_princ_to_grouplist(char *secname, char *princ,
+					 gid_t *groups, int *ngroups,
+					 extra_mapping_params **UNUSED(ex))
+{
+	struct passwd *pw;
+	int err;
+
+	/* XXX: Is this necessary? */
+	if (strcmp(secname, "krb5") != 0 && strcmp(secname, "spkm3") != 0)
+		return -EINVAL;
+
+	pw = regex_getpwnam(princ, NULL, &err);
+
+	if (pw) {
+		if (getgrouplist(pw->pw_name, pw->pw_gid, groups, ngroups) < 0)
+			err = -ERANGE;
+		free(pw);
+	}
+
+	return -err;
+}
+
+static int regex_name_to_uid(char *name, uid_t *uid)
+{
+	struct passwd *pw;
+	int err;
+
+	pw = regex_getpwnam(name, NULL, &err);
+
+	if (pw) {
+		*uid = pw->pw_uid;
+		free(pw);
+	}
+
+	return -err;
+}
+
+static int regex_name_to_gid(char *name, gid_t *gid)
+{
+	struct group *gr;
+	int err;
+
+	gr = regex_getgrnam(name, NULL, &err);
+
+	if (gr) {
+		*gid = gr->gr_gid;
+		free(gr);
+	}
+
+	return -err;
+}
+
+static int write_name(char *dest, char *localname, const char* name_prefix, const char *prefix, const char *suffix, size_t len)
+{
+	if (strlen(localname) + strlen(name_prefix) + strlen(prefix) + strlen(suffix) + 1 > len) {
+		return -ENOMEM; /* XXX: Is there an -ETOOLONG? */
+	}
+	strcpy(dest, prefix);
+	strcat(dest, name_prefix);
+	strcat(dest, localname);
+	strcat(dest, suffix);
+
+   	IDMAP_LOG(4, ("write_name: will use '%s'", dest));
+
+	return 0;
+}
+
+static int regex_uid_to_name(uid_t uid, char *domain, char *name, size_t len)
+{
+	struct passwd *pw = NULL;
+	struct passwd pwbuf;
+	char *buf;
+	size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+	int err = -ENOMEM;
+
+	buf = malloc(buflen);
+	if (!buf)
+		goto out;
+	if (domain == NULL)
+		domain = get_default_domain();
+	err = -getpwuid_r(uid, &pwbuf, buf, buflen, &pw);
+	if (pw == NULL)
+		err = -ENOENT;
+	if (err)
+		goto out_buf;
+	err = write_name(name, pw->pw_name, &empty, user_prefix, user_suffix, len);
+out_buf:
+	free(buf);
+out:
+	return err;
+}
+
+static int regex_gid_to_name(gid_t gid, char *UNUSED(domain), char *name, size_t len)
+{
+	struct group *gr = NULL;
+	struct group grbuf;
+	char *buf;
+    const char *name_prefix;
+	size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+	int err;
+    char * groupname = NULL;
+
+	do {
+		err = -ENOMEM;
+		buf = malloc(buflen);
+		if (!buf)
+			goto out;
+		err = -getgrgid_r(gid, &grbuf, buf, buflen, &gr);
+		if (gr == NULL && !err)
+			err = -ENOENT;
+		if (err == -ERANGE) {
+			buflen *= 2;
+			free(buf);
+		}
+	} while (err == -ERANGE);
+
+	if (err)
+		goto out_buf;
+
+	groupname = gr->gr_name;
+    	name_prefix = group_name_prefix;
+    	if (group_name_prefix_length)
+        {
+            if(! strncmp(group_name_prefix, groupname, group_name_prefix_length))
+            {
+			    name_prefix = &empty;
+            }
+            else if (use_gpx)
+            {
+	            err = regexec(&gpx_re, groupname, 0, NULL, 0);
+	            if (!err)
+                {
+   			        IDMAP_LOG(4, ("regex_gid_to_name: not adding prefix to group '%s'", groupname));
+			        name_prefix = &empty;
+                }
+            }
+	}
+      
+	err = write_name(name, groupname, name_prefix, group_prefix, group_suffix, len);
+
+out_buf:
+	free(buf);
+out:
+	return err;
+}
+
+static int regex_init(void) {	
+	const char *string;
+	int status;
+
+
+        string = CONFIG_GET_STRING("Regex", "User-Regex");
+	if (!string)
+	{
+		warnx("regex_init: regex for user mapping missing");
+		goto error1;
+	}
+    
+	status = regcomp(&user_re, string, REG_EXTENDED|REG_ICASE); 
+	if (status)
+	{
+		warnx("regex_init: compiling regex for user mapping failed with status %u", status);
+		goto error1;
+	}
+
+	string = CONFIG_GET_STRING("Regex", "Group-Regex");
+	if (!string)
+	{
+		warnx("regex_init: regex for group mapping missing");
+		goto error2;
+	}
+    
+    status = regcomp(&group_re, string, REG_EXTENDED|REG_ICASE); 
+    if (status)
+    {
+		warnx("regex_init: compiling regex for group mapping failed with status %u", status);
+		goto error2;
+    }
+
+	group_name_prefix = CONFIG_GET_STRING("Regex", "Group-Name-Prefix");
+    if (!group_name_prefix)
+    {
+        group_name_prefix = &empty;
+    }
+    group_name_prefix_length = strlen(group_name_prefix);
+
+    user_prefix = CONFIG_GET_STRING("Regex", "Prepend-Before-User");
+    if (!user_prefix)
+    {
+        user_prefix = &empty;
+    }
+
+    user_suffix = CONFIG_GET_STRING("Regex", "Append-After-User"); 
+    if (!user_suffix)
+    {
+        user_suffix = &empty;
+    }
+
+    group_prefix = CONFIG_GET_STRING("Regex", "Prepend-Before-Group"); 
+    if (!group_prefix)
+    {
+        group_prefix = &empty;
+    }
+
+    group_suffix = CONFIG_GET_STRING("Regex", "Append-After-Group"); 
+    if (!group_suffix)
+    {
+        group_suffix = &empty;
+    }
+
+    string = CONFIG_GET_STRING("Regex", "Group-Name-No-Prefix-Regex");
+    use_gpx = 0;
+    if (string)
+    {
+        status = regcomp(&gpx_re, string, REG_EXTENDED|REG_ICASE); 
+
+        if (status)
+        {
+	    	warnx("regex_init: compiling regex for group prefix exclusion failed with status %u", status);
+		    goto error3;
+        }
+
+        use_gpx = 1;
+    }
+
+    return 0;
+
+error3:
+	regfree(&group_re);
+error2:
+	regfree(&user_re);
+error1:
+	return 0;
+ /* return -EINVAL; */
+}
+
+
+struct trans_func regex_trans = {
+	.name			= "regex",
+	.init			= regex_init,
+	.name_to_uid		= regex_name_to_uid,
+	.name_to_gid		= regex_name_to_gid,
+	.uid_to_name		= regex_uid_to_name,
+	.gid_to_name		= regex_gid_to_name,
+	.princ_to_ids		= regex_gss_princ_to_ids,
+	.gss_princ_to_grouplist	= regex_gss_princ_to_grouplist,
+};
+
+struct trans_func *libnfsidmap_plugin_init(void)
+{
+	return (&regex_trans);
+}
+
diff --git a/support/nfsidmap/static.c b/support/nfsidmap/static.c
new file mode 100644
index 0000000..8ac4a39
--- /dev/null
+++ b/support/nfsidmap/static.c
@@ -0,0 +1,426 @@
+/*
+ *  static.c
+ *
+ *  static idmapping functions for gss principals.
+ *
+ *  Copyright (c) 2008 David Härdeman <david@hardeman.nu>.
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
+#include <errno.h>
+#include <err.h>
+
+#include "conffile.h"
+#include "nfsidmap.h"
+#include "nfsidmap_plugin.h"
+
+/*
+ * Static Translation Methods
+ *
+ * These functions use getpwnam to find uid/gid(s) for gss principals
+ * which are first mapped to local user names using static mappings
+ * in idmapd.conf.
+ */
+
+struct pwbuf {
+	struct passwd pwbuf;
+	char buf[1];
+};
+
+struct grbuf {
+	struct group grbuf;
+	char buf[1];
+};
+
+struct uid_mapping {
+	LIST_ENTRY (uid_mapping) link;
+	uid_t uid;
+	char * principal;
+	char * localname;
+};
+
+struct gid_mapping {
+	LIST_ENTRY (gid_mapping) link;
+	gid_t gid;
+	char * principal;
+	char * localgroup;
+};
+
+static __inline__ u_int8_t uid_hash (uid_t uid)
+{
+	return uid % 256;
+}
+
+static __inline__ u_int8_t gid_hash (gid_t gid)
+{
+	return gid % 256;
+}
+
+//Hash tables of uid and guids to principals mappings.
+//We reuse some queue/hash functions from cfg.c.
+LIST_HEAD (uid_mappings, uid_mapping) uid_mappings[256];
+LIST_HEAD (gid_mappings, gid_mapping) gid_mappings[256];
+
+static struct passwd *static_getpwnam(const char *name,
+				      const char *UNUSED(domain),
+				      int *err_p)
+{
+	struct passwd *pw;
+	struct pwbuf *buf;
+	size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+	char *localname;
+	int err;
+
+	buf = malloc(sizeof(*buf) + buflen);
+	if (!buf) {
+		err = ENOMEM;
+		goto err;
+	}
+
+	localname = conf_get_str("Static", (char *)name);
+	if (!localname) {
+		err = ENOENT;
+		goto err_free_buf;
+	}
+
+again:
+	err = getpwnam_r(localname, &buf->pwbuf, buf->buf, buflen, &pw);
+
+	if (err == EINTR)
+		goto again;
+
+	if (!pw) {
+		if (err == 0)
+			err = ENOENT;
+
+		IDMAP_LOG(0, ("static_getpwnam: localname '%s' for '%s' not found",
+		  localname, name));
+
+		goto err_free_buf;
+	}
+
+	IDMAP_LOG(4, ("static_getpwnam: name '%s' mapped to '%s'",
+		  name, localname));
+
+	*err_p = 0;
+	return pw;
+
+err_free_buf:
+	free(buf);
+err:
+	*err_p = err;
+	return NULL;
+}
+
+static struct group *static_getgrnam(const char *name,
+				     const char *UNUSED(domain),
+				     int *err_p)
+{
+	struct group *gr;
+	struct grbuf *buf;
+	size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+	char *localgroup;
+	int err;
+
+	buf = malloc(sizeof(*buf) + buflen);
+	if (!buf) {
+		err = ENOMEM;
+		goto err;
+	}
+
+	localgroup = conf_get_str("Static", (char *)name);
+	if (!localgroup) {
+		err = ENOENT;
+		goto err_free_buf;
+	}
+
+again:
+	err = getgrnam_r(localgroup, &buf->grbuf, buf->buf, buflen, &gr);
+
+	if (err == EINTR)
+		goto again;
+
+	if (!gr) {
+		if (err == 0)
+			err = ENOENT;
+
+		IDMAP_LOG(0, ("static_getgrnam: local group '%s' for '%s' not found",
+			  localgroup, name));
+
+		goto err_free_buf;
+	}
+
+	IDMAP_LOG(4, ("static_getgrnam: group '%s' mapped to '%s'",
+		  name, localgroup));
+
+	*err_p = 0;
+	return gr;
+
+err_free_buf:
+	free(buf);
+err:
+	*err_p = err;
+	return NULL;
+}
+
+static int static_gss_princ_to_ids(char *secname, char *princ,
+				   uid_t *uid, uid_t *gid,
+				   extra_mapping_params **UNUSED(ex))
+{
+	struct passwd *pw;
+	int err;
+
+	/* XXX: Is this necessary? */
+	if (strcmp(secname, "krb5") != 0 && strcmp(secname, "spkm3") != 0)
+		return -EINVAL;
+
+	pw = static_getpwnam(princ, NULL, &err);
+
+	if (pw) {
+		*uid = pw->pw_uid;
+		*gid = pw->pw_gid;
+		free(pw);
+	}
+
+	return -err;
+}
+
+static int static_gss_princ_to_grouplist(char *secname, char *princ,
+					 gid_t *groups, int *ngroups,
+					 extra_mapping_params **UNUSED(ex))
+{
+	struct passwd *pw;
+	int err;
+
+	/* XXX: Is this necessary? */
+	if (strcmp(secname, "krb5") != 0 && strcmp(secname, "spkm3") != 0)
+		return -EINVAL;
+
+	pw = static_getpwnam(princ, NULL, &err);
+
+	if (pw) {
+		if (getgrouplist(pw->pw_name, pw->pw_gid, groups, ngroups) < 0)
+			err = -ERANGE;
+		free(pw);
+	}
+
+	return -err;
+}
+
+static int static_name_to_uid(char *name, uid_t *uid)
+{
+	struct passwd *pw;
+	int err;
+
+	pw = static_getpwnam(name, NULL, &err);
+
+	if (pw) {
+		*uid = pw->pw_uid;
+		free(pw);
+	}
+
+	return -err;
+}
+
+static int static_name_to_gid(char *name, gid_t *gid)
+{
+	struct group *gr;
+	int err;
+
+	gr = static_getgrnam(name, NULL, &err);
+
+	if (gr) {
+		*gid = gr->gr_gid;
+		free(gr);
+	}
+
+	return -err;
+}
+
+static int static_uid_to_name(uid_t uid, char *UNUSED(domain), char *name, size_t UNUSED(len))
+{
+	struct uid_mapping * um;
+
+	for (um = LIST_FIRST (&uid_mappings[uid_hash (uid)]); um;
+		um = LIST_NEXT (um, link)) {
+		if (um->uid == uid) {
+			strcpy(name, um->principal);
+			return 0;
+		}
+	}
+
+	return -ENOENT;
+}
+
+static int static_gid_to_name(gid_t gid, char *UNUSED(domain), char *name, size_t UNUSED(len))
+{
+	struct gid_mapping * gm;
+
+	for (gm = LIST_FIRST (&gid_mappings[gid_hash (gid)]); gm;
+		gm = LIST_NEXT (gm, link)) {
+		if (gm->gid == gid) {
+			strcpy(name, gm->principal);
+			return 0;
+		}
+	}
+
+	return -ENOENT;
+}
+
+/*
+ * We buffer all UID's for which static mappings is defined in advance, so the
+ * uid_to_name functions will be fast enough.
+ */
+
+static int static_init(void) {	
+	int err;
+	struct conf_list * princ_list = NULL;
+	struct conf_list_node * cln, *next;
+	struct uid_mapping * unode;
+	struct gid_mapping * gnode;
+	struct passwd * pw = NULL;
+	struct group * gr = NULL;
+	unsigned int i;
+
+	//init hash_table first
+	for (i = 0; i < sizeof uid_mappings / sizeof uid_mappings[0]; i++)
+		LIST_INIT (&uid_mappings[i]);
+
+	if (nfsidmap_conf_path)
+		conf_init_file(nfsidmap_conf_path);
+
+	//get all principals for which we have mappings
+	princ_list = conf_get_tag_list("Static", NULL);
+
+	if (!princ_list) {
+		return -ENOENT;
+	}
+
+	/* As we can not distinguish between mappings for users and groups, we try to
+	 * resolve all mappings for both cases.
+	 */
+
+	//resolve uid of localname account for all such principals and cache it
+	for (cln = TAILQ_FIRST (&princ_list->fields); cln; cln = next) 
+	{ 
+		next = TAILQ_NEXT (cln, link); 
+
+		pw = static_getpwnam(cln->field, NULL, &err);
+		if (!pw) {
+			continue;
+		}
+		
+		unode = calloc (1, sizeof *unode);
+		if (!unode)
+		{
+			warnx("static_init: calloc (1, %lu) failed",
+				(unsigned long)sizeof *unode);
+			free(pw);
+			conf_free_list(princ_list);
+			return -ENOMEM;
+		}
+		unode->uid = pw->pw_uid;
+		unode->principal = strdup(cln->field);
+
+		unode->localname = conf_get_str("Static", cln->field);
+		if (!unode->localname) {
+			free(pw);
+			free(unode->principal);
+			free(unode);
+			conf_free_list(princ_list);
+			return -ENOENT;
+		}
+
+		free(pw);
+
+		LIST_INSERT_HEAD (&uid_mappings[uid_hash(unode->uid)], unode, link);
+	}
+
+	//resolve gid of localgroup accounts and cache it
+	for (cln = TAILQ_FIRST (&princ_list->fields); cln; cln = next) 
+	{ 
+		next = TAILQ_NEXT (cln, link); 
+
+		gr = static_getgrnam(cln->field, NULL, &err);
+		if (!gr) {
+			continue;
+		}
+		
+		gnode = calloc (1, sizeof *gnode);
+		if (!gnode)
+		{
+			warnx("static_init: calloc (1, %lu) failed",
+				(unsigned long)sizeof *gnode);
+			free(gr);
+			conf_free_list(princ_list);
+			return -ENOMEM;
+		}
+		gnode->gid = gr->gr_gid;
+		gnode->principal = strdup(cln->field);
+
+		gnode->localgroup = conf_get_str("Static", cln->field);
+		if (!gnode->localgroup) {
+			free(gr);
+			free(gnode->principal);
+			free(gnode);
+			conf_free_list(princ_list);
+			return -ENOENT;
+		}
+
+		free(gr);
+
+		LIST_INSERT_HEAD (&gid_mappings[gid_hash(gnode->gid)], gnode, link);
+	}
+	
+	conf_free_list(princ_list);
+	return 0;
+}
+
+
+struct trans_func static_trans = {
+	.name			= "static",
+	.init			= static_init,
+	.name_to_uid		= static_name_to_uid,
+	.name_to_gid		= static_name_to_gid,
+	.uid_to_name		= static_uid_to_name,
+	.gid_to_name		= static_gid_to_name,
+	.princ_to_ids		= static_gss_princ_to_ids,
+	.gss_princ_to_grouplist	= static_gss_princ_to_grouplist,
+};
+
+struct trans_func *libnfsidmap_plugin_init(void)
+{
+	return (&static_trans);
+}
+
diff --git a/support/nfsidmap/umich_ldap.c b/support/nfsidmap/umich_ldap.c
new file mode 100644
index 0000000..1aa2af4
--- /dev/null
+++ b/support/nfsidmap/umich_ldap.c
@@ -0,0 +1,1615 @@
+/*
+ * umich_ldap.c
+ *
+ * Copyright (c) 2000 The Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Copyright (c) 2004 Andy Adamson <andros@UMICH.EDU>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <limits.h>
+#include <pwd.h>
+#include <err.h>
+#ifdef HAVE_GSSAPI_GSSAPI_KRB5_H
+#include <gssapi/gssapi_krb5.h>
+#endif /* HAVE_GSSAPI_GSSAPI_KRB5_H */
+#ifdef HAVE_SASL_H
+#include <sasl.h>
+#endif /* HAVE_SASL_H */
+#ifdef HAVE_SASL_SASL_H
+#include <sasl/sasl.h>
+#endif /* HAVE_SASL_SASL_H */
+/* We are using deprecated functions, get the prototypes... */
+#define LDAP_DEPRECATED 1
+#include <ldap.h>
+#include "nfslib.h"
+#include "nfsidmap.h"
+#include "nfsidmap_plugin.h"
+#include "nfsidmap_private.h"
+#include "conffile.h"
+
+/* attribute/objectclass default mappings */
+#define DEFAULT_UMICH_OBJCLASS_REMOTE_PERSON	"NFSv4RemotePerson"
+#define DEFAULT_UMICH_OBJCLASS_REMOTE_GROUP	"NFSv4RemoteGroup"
+#define DEFAULT_UMICH_ATTR_NFSNAME		"NFSv4Name"
+#define DEFAULT_UMICH_ATTR_ACCTNAME		"uid"
+#define DEFAULT_UMICH_ATTR_UIDNUMBER		"uidNumber"
+#define DEFAULT_UMICH_ATTR_GROUP_NFSNAME	"NFSv4Name"
+#define DEFAULT_UMICH_ATTR_GIDNUMBER		"gidNumber"
+#define DEFAULT_UMICH_ATTR_MEMBERUID		"memberUid"
+#define DEFAULT_UMICH_ATTR_GSSAUTHNAME		"GSSAuthName"
+#define DEFAULT_UMICH_ATTR_MEMBEROF		"memberof"
+
+#define DEFAULT_UMICH_SEARCH_TIMEOUT		4
+
+/* config section */
+#define LDAP_SECTION "UMICH_SCHEMA"
+
+#ifndef LDAP_FILT_MAXSIZ
+#define LDAP_FILT_MAXSIZ	1024
+#endif
+
+
+/* Local structure definitions */
+
+struct ldap_map_names{
+	char *NFSv4_person_objcls;
+	char *NFSv4_nfsname_attr;
+	char *NFSv4_acctname_attr;
+	char *NFSv4_uid_attr;
+	char *NFSv4_group_objcls;
+	char *NFSv4_group_nfsname_attr;
+	char *NFSv4_gid_attr;
+	char *NFSv4_member_attr;
+	char *NFSv4_member_of_attr;
+	char *GSS_principal_attr;
+	char *NFSv4_grouplist_filter; /* Filter for grouplist lookups */
+};
+
+struct umich_ldap_info {
+	char *server;		/* server name/address */
+	int  port;		/* server port */
+	char *base;		/* base DN */
+	char *people_tree;	/* base DN to start searches for people */
+	char *group_tree;	/* base DN to start searches for groups */
+	char *user_dn;		/* optional DN for user account when binding */
+	char *passwd;		/* Password to use when binding to directory */
+	int use_ssl;		/* SSL flag */
+	char *ca_cert;		/* File location of the ca_cert */
+	int tls_reqcert;	/* req and validate server cert */
+	int memberof_for_groups;/* Use 'memberof' attribute when
+				   looking up user groups */
+	int ldap_timeout;	/* Timeout in seconds for searches
+				   by ldap_search_st */
+	int follow_referrals;	/* whether to follow ldap referrals */
+	char *sasl_mech;	/* sasl mech to be used */
+	char *sasl_realm;	/* SASL realm for SASL authentication */
+	char *sasl_authcid;	/* authentication identity to be used  */
+	char *sasl_authzid;	/* authorization identity to be used */
+	char *sasl_secprops;	/* Cyrus SASL security properties. */
+	int sasl_canonicalize;	/* canonicalize LDAP server host name */
+	char *sasl_krb5_ccname;	/* krb5 ticket cache */
+};
+
+/* GLOBAL data */
+
+static struct umich_ldap_info ldap_info = {
+	.server = NULL,
+	.port = 0,
+	.base = NULL,
+	.people_tree = NULL,
+	.group_tree = NULL,
+	.user_dn = NULL,
+	.passwd = NULL,
+	.use_ssl = 0,
+	.ca_cert = NULL,
+	.tls_reqcert = LDAP_OPT_X_TLS_HARD,
+	.memberof_for_groups = 0,
+	.ldap_timeout = DEFAULT_UMICH_SEARCH_TIMEOUT,
+	.follow_referrals = 1,
+	.sasl_mech = NULL,
+	.sasl_realm = NULL,
+	.sasl_authcid = NULL,
+	.sasl_authzid = NULL,
+	.sasl_secprops = NULL,
+	.sasl_canonicalize = -1, /* leave to the LDAP lib */
+	.sasl_krb5_ccname = NULL,
+};
+
+static struct ldap_map_names ldap_map = {
+	.NFSv4_person_objcls = NULL,
+	.NFSv4_nfsname_attr = NULL,
+	.NFSv4_uid_attr = NULL,
+	.NFSv4_acctname_attr = NULL,
+	.NFSv4_group_objcls = NULL,
+	.NFSv4_group_nfsname_attr = NULL,
+	.NFSv4_gid_attr = NULL,
+	.NFSv4_member_attr = NULL,
+	.NFSv4_member_of_attr = NULL,
+	.GSS_principal_attr = NULL,
+	.NFSv4_grouplist_filter = NULL,
+};
+
+#ifdef ENABLE_LDAP_SASL
+
+/**
+ * Set the path of the krb5 ticket cache
+ * use gss_krb5_ccache_name if available else set the env var
+ */
+static int set_krb5_ccname(const char *krb5_ccache_name)
+{
+	int retval = 0;
+#ifdef HAVE_GSS_KRB5_CCACHE_NAME
+	OM_uint32 status;
+
+	if (gss_krb5_ccache_name(&status, krb5_ccache_name, NULL) !=
+		GSS_S_COMPLETE) {
+		IDMAP_LOG(5,
+		  ("Failed to set creds cache for kerberos, minor_status(%d)",
+		   status));
+		retval = status;
+		goto out;
+	}
+#else /* HAVE_GSS_KRB5_CCACHE_NAME */
+	char *env;
+	int buflen = 0;
+
+	buflen = strlen("KRB5CCNAME=") + strlen(krb5_ccache_name) + 1;
+	env = malloc(buflen);
+	if (env == NULL) {
+		retval = ENOMEM;
+		goto out;
+	}
+	snprintf(env, buflen, "KRB5CCNAME=%s", krb5_ccache_name);
+	if (putenv(env) != 0) {
+		retval = errno;
+		IDMAP_LOG(5, ("Failed to set creds cache for kerberos, err(%d)",
+			      retval));
+	}
+#endif /* else HAVE_GSS_KRB5_CCACHE_NAME */
+out:
+	return retval;
+}
+
+/**
+ * SASL interact callback
+ */
+static int sasl_interact_cb(__attribute__((unused)) LDAP * ld,
+		__attribute__((unused)) unsigned int flags, void *defaults,
+		void *ctx)
+{
+	struct umich_ldap_info *linfo = defaults;
+	sasl_interact_t *interact = ctx;
+
+	while (interact->id != SASL_CB_LIST_END) {
+		switch (interact->id) {
+		case SASL_CB_AUTHNAME:
+			if (linfo->sasl_authcid == NULL ||
+			    linfo->sasl_authcid[0] == '\0') {
+				IDMAP_LOG(2, ("SASL_CB_AUTHNAME asked in "
+					    "callback but not found in conf"));
+			} else {
+				IDMAP_LOG(5,
+					  ("Setting SASL_CB_AUTHNAME to %s",
+					   linfo->sasl_authcid));
+				interact->result = linfo->sasl_authcid;
+				interact->len = strlen(linfo->sasl_authcid);
+			}
+			break;
+		case SASL_CB_PASS:
+			if (linfo->passwd == NULL || linfo->passwd[0] == '\0') {
+				IDMAP_LOG(2, ("SASL_CB_PASS asked in callback "
+					      "but not found in conf"));
+			} else {
+				IDMAP_LOG(5,
+					  ("Setting SASL_CB_PASS to ***"));
+				interact->result = linfo->passwd;
+				interact->len = strlen(linfo->passwd);
+			}
+			break;
+		case SASL_CB_GETREALM:
+			if (linfo->sasl_realm == NULL ||
+			    linfo->sasl_realm[0] == '\0') {
+				IDMAP_LOG(2, ("SASL_CB_GETREALM asked in "
+					    "callback but not found in conf"));
+			} else {
+				IDMAP_LOG(5,
+					  ("Setting SASL_CB_GETREALM to %s",
+					   linfo->sasl_realm));
+				interact->result = linfo->sasl_realm;
+				interact->len = strlen(linfo->sasl_realm);
+			}
+			break;
+		case SASL_CB_USER:
+			if (linfo->sasl_authzid == NULL ||
+			    linfo->sasl_authzid[0] == '\0') {
+				IDMAP_LOG(2, ("SASL_CB_USER asked in callback "
+					      "but not found in conf"));
+			} else {
+				IDMAP_LOG(5, ("Setting SASL_CB_USER to %s",
+					      linfo->sasl_authzid));
+				interact->result = linfo->sasl_authzid;
+				interact->len = strlen(linfo->sasl_authzid);
+			}
+			break;
+		default:
+			IDMAP_LOG(2, ("Undefined value requested %d",
+				      interact->id));
+			break;
+		}
+		interact++;
+	}
+	return LDAP_SUCCESS;
+}
+#endif /* ENABLE_LDAP_SASL */
+
+/* Local routines */
+
+static int
+ldap_init_and_bind(LDAP **pld,
+		   int *sizelimit,
+		   struct umich_ldap_info *linfo)
+{
+	LDAP *ld;
+	int lerr;
+	int err = -1;
+	int current_version, new_version;
+	char server_url[1024];
+	int debug_level = 65535;
+	int i;
+	LDAPAPIInfo apiinfo = {.ldapai_info_version = LDAP_API_INFO_VERSION};
+
+	snprintf(server_url, sizeof(server_url), "%s://%s:%d",
+		 (linfo->use_ssl) ? "ldaps" : "ldap",
+		 linfo->server, linfo->port);
+
+	/*
+	 * XXX We really, REALLY only want to initialize once, not for
+	 * each request.  Figure out how to do that!
+	 */
+	if ((lerr = ldap_initialize(&ld, server_url)) != LDAP_SUCCESS) {
+		IDMAP_LOG(0, ("ldap_init_and_bind: ldap_initialize() failed "
+			  "to [%s]: %s (%d)", server_url,
+			  ldap_err2string(lerr), lerr));
+		goto out;
+	}
+
+	if ((ldap_set_option(ld, LDAP_OPT_DEBUG_LEVEL, &debug_level)
+							!= LDAP_SUCCESS)) {
+		IDMAP_LOG(0, ("ldap_init_and_bind: error setting ldap "
+			  "library debugging level"));
+		goto out;
+	}
+
+	/*
+	 * Get LDAP API information and compare the protocol version there
+	 * to the protocol version returned directly from get_option.
+	 */
+	ldap_get_option(ld, LDAP_OPT_API_INFO, &apiinfo);
+	if (apiinfo.ldapai_info_version != LDAP_API_INFO_VERSION) {
+		IDMAP_LOG(0, ("ldap_init_and_bind:  APIInfo version mismatch: "
+			  "library %d, header %d",
+			  apiinfo.ldapai_info_version, LDAP_API_INFO_VERSION));
+		goto out;
+	}
+	ldap_get_option(ld, LDAP_OPT_PROTOCOL_VERSION, &current_version);
+	if (apiinfo.ldapai_protocol_version == LDAP_VERSION3 &&
+	    current_version != LDAP_VERSION3) {
+		new_version = LDAP_VERSION3;
+		IDMAP_LOG(4, ("ldap_init_and_bind: version mismatch between "
+			  "API information and protocol version. Setting "
+			  "protocol version to %d", new_version));
+		ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &new_version);
+	}
+
+	for (i = 0; apiinfo.ldapai_extensions[i]; i++) {
+		char *extension = apiinfo.ldapai_extensions[i];
+		ldap_memfree (extension);
+	}
+	ldap_memfree (apiinfo.ldapai_extensions);
+	ldap_memfree(apiinfo.ldapai_vendor_name);
+
+	/* Set sizelimit option if requested */
+	if (sizelimit) {
+		ldap_set_option(ld, LDAP_OPT_SIZELIMIT, (void *)sizelimit);
+	}
+
+	lerr = ldap_set_option(ld, LDAP_OPT_REFERRALS,
+			linfo->follow_referrals ? (void *)LDAP_OPT_ON :
+						  (void *)LDAP_OPT_OFF);
+	if (lerr != LDAP_SUCCESS) {
+		IDMAP_LOG(2, ("ldap_init_and_bind: setting LDAP_OPT_REFERRALS "
+			      "failed: %s (%d)", ldap_err2string(lerr), lerr));
+		goto out;
+	}
+
+	/* Set option to to use SSL/TLS if requested */
+	if (linfo->use_ssl) {
+		int tls_type = LDAP_OPT_X_TLS_HARD;
+		lerr = ldap_set_option(ld, LDAP_OPT_X_TLS, &tls_type);
+		if (lerr != LDAP_SUCCESS) {
+			IDMAP_LOG(2, ("ldap_init_and_bind: setting SSL "
+				  "failed : %s (%d)",
+				  ldap_err2string(lerr), lerr));
+			goto out;
+		}
+
+		if (linfo->ca_cert != NULL) {
+			lerr = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE,
+					       linfo->ca_cert);
+			if (lerr != LDAP_SUCCESS) {
+				IDMAP_LOG(2, ("ldap_init_and_bind: setting CA "
+					  "certificate file failed : %s (%d)",
+					  ldap_err2string(lerr), lerr));
+				goto out;
+			}
+		}
+
+		lerr = ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT,
+				       &linfo->tls_reqcert);
+		if (lerr != LDAP_SUCCESS) {
+			IDMAP_LOG(2, ("ldap_init_and_bind: setting "
+				      "req CA cert failed : %s(%d)",
+				  ldap_err2string(lerr), lerr));
+			goto out;
+		}
+	}
+
+	/* If we have a DN (and password) attempt an authenticated bind */
+	if (linfo->user_dn) {
+retry_bind:
+#ifdef ENABLE_LDAP_SASL
+		if (linfo->sasl_mech != NULL && linfo->sasl_mech[0] != '\0') {
+		/* use sasl bind */
+			if (linfo->sasl_canonicalize != -1) {
+				lerr = ldap_set_option(ld,
+						LDAP_OPT_X_SASL_NOCANON,
+						linfo->sasl_canonicalize ?
+						  LDAP_OPT_OFF : LDAP_OPT_ON);
+				if (lerr != LDAP_SUCCESS) {
+					IDMAP_LOG(2, ("ldap_init_and_bind: "
+						    "setting sasl_canonicalize"
+						    " failed: %s (%d)",
+						    ldap_err2string(lerr),
+						    lerr));
+					goto out;
+				}
+			}
+			if (linfo->sasl_secprops != NULL &&
+			    linfo->sasl_secprops[0] != '\0') {
+				lerr = ldap_set_option(ld,
+						LDAP_OPT_X_SASL_SECPROPS,
+						(void *) linfo->sasl_secprops);
+				if (lerr != LDAP_SUCCESS) {
+					IDMAP_LOG(2, ("ldap_init_and_bind: "
+						      "setting sasl_secprops"
+						      " failed: %s (%d)",
+						      ldap_err2string(lerr),
+						      lerr));
+					goto out;
+				}
+			}
+			if (linfo->sasl_krb5_ccname != NULL &&
+			    linfo->sasl_krb5_ccname[0] != '\0') {
+				lerr = set_krb5_ccname(linfo->sasl_krb5_ccname);
+				if (lerr != 0) {
+					IDMAP_LOG(2,
+						("ldap_init_and_bind: Failed "
+						 "to set krb5 ticket cache, "
+						 "err=%d", lerr));
+				}
+			}
+			lerr = ldap_sasl_interactive_bind_s(ld, linfo->user_dn,
+				linfo->sasl_mech, NULL, NULL, LDAP_SASL_QUIET,
+				sasl_interact_cb, linfo);
+		} else {
+			lerr = ldap_simple_bind_s(ld, linfo->user_dn,
+						  linfo->passwd);
+		}
+#else /* ENABLE_LDAP_SASL */
+		lerr = ldap_simple_bind_s(ld, linfo->user_dn, linfo->passwd);
+#endif /* else ENABLE_LDAP_SASL */
+		if (lerr) {
+			char *errmsg;
+			if (lerr == LDAP_PROTOCOL_ERROR) {
+				ldap_get_option(ld, LDAP_OPT_PROTOCOL_VERSION,
+						&current_version);
+				new_version = current_version == LDAP_VERSION2 ?
+					LDAP_VERSION3 : LDAP_VERSION2;
+				ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION,
+						&new_version);
+				IDMAP_LOG(2, ("ldap_init_and_bind: "
+					  "got protocol error while attempting "
+					  "bind with protocol version %d, "
+					  "trying protocol version %d",
+					  current_version, new_version));
+				if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS)
+					&& (errmsg != NULL) && (*errmsg != '\0')) {
+					IDMAP_LOG(2, ("ldap_init_and_bind: "
+						  "Additional info: %s", errmsg));
+					ldap_memfree(errmsg);
+				}
+				goto retry_bind;
+			}
+#ifdef ENABLE_LDAP_SASL
+			IDMAP_LOG(2, ("ldap_init_and_bind: %s "
+				  "to [%s] as user '%s': %s (%d)",
+				  (linfo->sasl_mech != NULL &&
+				   linfo->sasl_mech[0] != '\0') ?
+				   "ldap_sasl_interactive_bind_s" :
+				   "ldap_simple_bind_s",
+				  server_url, linfo->user_dn,
+				  ldap_err2string(lerr), lerr));
+#else /* ENABLE_LDAP_SASL */
+			IDMAP_LOG(2, ("ldap_init_and_bind: ldap_simple_bind_s"
+				  "to [%s] as user '%s': %s (%d)",
+				  server_url, linfo->user_dn,
+				  ldap_err2string(lerr), lerr));
+
+#endif /* else ENABLE_LDAP_SASL */
+			if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS)
+					&& (errmsg != NULL)&& (*errmsg != '\0')) {
+				IDMAP_LOG(2, ("ldap_init_and_bind: "
+					  "Additional info: %s", errmsg));
+				ldap_memfree(errmsg);
+			}
+			goto out;
+		}
+	}
+#ifdef LDAP_ANONYMOUS_BIND_REQUIRED
+	else {
+		lerr = ldap_simple_bind_s(ld, NULL, NULL);
+		if (lerr) {
+			char *errmsg;
+
+			IDMAP_LOG(2, ("ldap_init_and_bind: ldap_simple_bind_s "
+			  "to [%s] as anonymous: %s (%d)", server_url,
+			  ldap_err2string(lerr), lerr));
+			if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS)
+					&& (errmsg != NULL) && (*errmsg != '\0')) {
+				IDMAP_LOG(2, ("ldap_init_and_bind: "
+					  "Additional info: %s", errmsg));
+				ldap_memfree(errmsg);
+			}
+			goto out;
+		}
+	}
+#endif
+
+	*pld = ld;
+	err = 0;
+out:
+	return err;
+}
+
+static int
+umich_name_to_ids(char *name, int idtype, uid_t *uid, gid_t *gid,
+		  char *attrtype, struct umich_ldap_info *linfo)
+{
+	LDAP *ld = NULL;
+	struct timeval timeout = {
+		.tv_sec = linfo->ldap_timeout,
+	};
+	LDAPMessage *result = NULL, *entry;
+	BerElement *ber = NULL;
+	char **idstr, filter[LDAP_FILT_MAXSIZ], *base;
+	char *attrs[3];
+	char *attr_res;
+	int count = 0, err, lerr, f_len;
+	int sizelimit = 1;
+
+	err = -EINVAL;
+	if (uid == NULL || gid == NULL || name == NULL ||
+	    attrtype == NULL || linfo == NULL || linfo->server == NULL ||
+	    linfo->people_tree == NULL || linfo->group_tree == NULL)
+		goto out;
+
+	*uid = -1;
+	*gid = -1;
+
+	if (idtype == IDTYPE_USER) {
+		if ((f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+				      "(&(objectClass=%s)(%s=%s))",
+				      ldap_map.NFSv4_person_objcls,
+				      attrtype, name))
+				== LDAP_FILT_MAXSIZ) {
+			IDMAP_LOG(0, ("ERROR: umich_name_to_ids: filter "
+				  "too long!"));
+			goto out;
+		}
+		base = linfo->people_tree;
+	}
+	else if (idtype == IDTYPE_GROUP) {
+		if ((f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+				      "(&(objectClass=%s)(%s=%s))",
+				      ldap_map.NFSv4_group_objcls,
+				      attrtype, name))
+				== LDAP_FILT_MAXSIZ) {
+			IDMAP_LOG(0, ("ERROR: umich_name_to_ids: filter "
+				  "too long!"));
+			goto out;
+		}
+		base = linfo->group_tree;
+	}
+	else {
+		IDMAP_LOG(0, ("ERROR: umich_name_to_ids: invalid idtype (%d)",
+			idtype));
+		goto out;
+	}
+
+	if (ldap_init_and_bind(&ld, &sizelimit, linfo))
+		goto out;
+
+	attrs[0] = ldap_map.NFSv4_uid_attr;
+	attrs[1] = ldap_map.NFSv4_gid_attr;
+	attrs[2] = NULL;
+
+	err = ldap_search_st(ld, base, LDAP_SCOPE_SUBTREE,
+			 filter, (char **)attrs,
+			 0, &timeout, &result);
+	if (err) {
+		char *errmsg;
+
+		IDMAP_LOG(2, ("umich_name_to_ids: ldap_search_st for "
+			  "base '%s', filter '%s': %s (%d)",
+			  base, filter, ldap_err2string(err), err));
+		if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS)
+				&& (errmsg != NULL) && (*errmsg != '\0')) {
+			IDMAP_LOG(2, ("umich_name_to_ids: "
+				  "Additional info: %s", errmsg));
+			ldap_memfree(errmsg);
+		}
+		err = -ENOENT;
+		goto out_unbind;
+	}
+
+	err = -ENOENT;
+	count = ldap_count_entries(ld, result);
+	if (count != 1) {
+		goto out_unbind;
+	}
+
+	if (!(entry = ldap_first_entry(ld, result))) {
+		lerr = ldap_result2error(ld, result, 0);
+		IDMAP_LOG(2, ("umich_name_to_ids: ldap_first_entry: "
+			  "%s (%d)", ldap_err2string(lerr), lerr));
+		goto out_unbind;
+	}
+
+	/*
+	 * Attributes come back in no particular order, so we need
+	 * to check each one to see what it is before assigning values.
+	 * XXX There must be a better way than comparing the
+	 * name of each attribute?
+	 */
+	for (attr_res = ldap_first_attribute(ld, result, &ber);
+	     attr_res != NULL;
+	     attr_res = ldap_next_attribute(ld, result, ber)) {
+
+		unsigned long tmp_u, tmp_g;
+		uid_t tmp_uid;
+		gid_t tmp_gid;
+
+		if ((idstr = ldap_get_values(ld, result, attr_res)) == NULL) {
+			lerr = ldap_result2error(ld, result, 0);
+			IDMAP_LOG(2, ("umich_name_to_ids: ldap_get_values: "
+				  "%s (%d)", ldap_err2string(lerr), lerr));
+			goto out_memfree;
+		}
+		if (strcasecmp(attr_res, ldap_map.NFSv4_uid_attr) == 0) {
+			tmp_u = strtoul(*idstr, (char **)NULL, 10);
+			tmp_uid = tmp_u;
+			if (tmp_uid != tmp_u ||
+				(errno == ERANGE && tmp_u == ULONG_MAX)) {
+				IDMAP_LOG(0, ("ERROR: umich_name_to_ids: "
+					  "uidNumber too long converting '%s'",
+					  *idstr));
+				ldap_memfree(attr_res);
+				ldap_value_free(idstr);
+				goto out_memfree;
+			}
+			*uid = tmp_uid;
+			err = 0;
+		} else if (strcasecmp(attr_res, ldap_map.NFSv4_gid_attr) == 0) {
+			tmp_g = strtoul(*idstr, (char **)NULL, 10);
+			tmp_gid = tmp_g;
+			if (tmp_gid != tmp_g ||
+				(errno == ERANGE && tmp_g == ULONG_MAX)) {
+				IDMAP_LOG(0, ("ERROR: umich_name_to_ids: "
+					  "gidNumber too long converting '%s'",
+					  *idstr));
+				ldap_memfree(attr_res);
+				ldap_value_free(idstr);
+				goto out_memfree;
+			}
+			*gid = tmp_gid;
+			err = 0;
+		} else {
+			IDMAP_LOG(0, ("umich_name_to_ids: received attr "
+				"'%s' ???", attr_res));
+			ldap_memfree(attr_res);
+			ldap_value_free(idstr);
+			goto out_memfree;
+		}
+		ldap_memfree(attr_res);
+		ldap_value_free(idstr);
+	}
+
+out_memfree:
+	ber_free(ber, 0);
+out_unbind:
+	if (result)
+		ldap_msgfree(result);
+	ldap_unbind(ld);
+out:
+	return err;
+}
+
+static int
+umich_id_to_name(uid_t id, int idtype, char **name, size_t len,
+		 struct umich_ldap_info *linfo)
+{
+	LDAP *ld = NULL;
+	struct timeval timeout = {
+		.tv_sec = linfo->ldap_timeout,
+	};
+	LDAPMessage *result = NULL, *entry;
+	BerElement *ber;
+	char **names = NULL, filter[LDAP_FILT_MAXSIZ], *base;
+	char idstr[16];
+	char *attrs[2];
+	char *attr_res;
+	int count = 0, err, lerr, f_len;
+	int sizelimit = 1;
+
+	err = -EINVAL;
+	if (name == NULL || linfo == NULL || linfo->server == NULL ||
+		linfo->people_tree == NULL || linfo->group_tree == NULL)
+		goto out;
+
+	snprintf(idstr, sizeof(idstr), "%d", id);
+
+
+	if (idtype == IDTYPE_USER) {
+		if ((f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+				      "(&(objectClass=%s)(%s=%s))",
+				      ldap_map.NFSv4_person_objcls,
+				      ldap_map.NFSv4_uid_attr, idstr))
+				== LDAP_FILT_MAXSIZ) {
+			IDMAP_LOG(0, ("ERROR: umich_id_to_name: "
+				  "uid filter too long!"));
+			goto out;
+		}
+		base = linfo->people_tree;
+	} else if (idtype == IDTYPE_GROUP) {
+		if ((f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+				      "(&(objectClass=%s)(%s=%s))",
+				      ldap_map.NFSv4_group_objcls,
+				      ldap_map.NFSv4_gid_attr,idstr))
+				== LDAP_FILT_MAXSIZ) {
+			IDMAP_LOG(0, ("ERROR: umich_id_to_name: "
+				  "gid filter too long!"));
+			goto out;
+		}
+		base = linfo->group_tree;
+	} else {
+		IDMAP_LOG(0, ("ERROR: umich_id_to_name: invalid idtype (%d)",
+			  idtype));
+		err = -EINVAL;
+		goto out;
+	}
+
+	if (ldap_init_and_bind(&ld, &sizelimit, linfo))
+		goto out;
+
+	if (idtype == IDTYPE_USER)
+		attrs[0] = ldap_map.NFSv4_nfsname_attr;
+	else
+		attrs[0] = ldap_map.NFSv4_group_nfsname_attr;
+	attrs[1] = NULL;
+
+	err = ldap_search_st(ld, base, LDAP_SCOPE_SUBTREE,
+			 filter, (char **)attrs,
+			 0, &timeout, &result);
+	if (err) {
+		char * errmsg;
+
+		IDMAP_LOG(2, ("umich_id_to_name: ldap_search_st for "
+			  "base '%s, filter '%s': %s (%d)", base, filter,
+			  ldap_err2string(err), err));
+                if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS)
+				&& (errmsg != NULL) && (*errmsg != '\0')) {
+			IDMAP_LOG(2, ("umich_id_to_name: "
+				  "Additional info: %s", errmsg));
+			ldap_memfree(errmsg);
+		}
+
+		err = -ENOENT;
+		goto out_unbind;
+	}
+
+	err = -ENOENT;
+	count = ldap_count_entries(ld, result);
+	if (count != 1)
+		goto out_unbind;
+
+	if (!(entry = ldap_first_entry(ld, result))) {
+		lerr = ldap_result2error(ld, result, 0);
+		IDMAP_LOG(2, ("umich_id_to_name: ldap_first_entry: "
+			  "%s (%d)", ldap_err2string(lerr), lerr));
+		goto out_unbind;
+	}
+
+	if (!(attr_res = ldap_first_attribute(ld, result, &ber))) {
+		lerr = ldap_result2error(ld, result, 0);
+		IDMAP_LOG(2, ("umich_id_to_name: ldap_first_attribute: "
+			  "%s (%d)", ldap_err2string(lerr), lerr));
+		goto out_unbind;
+	}
+
+	if ((names = ldap_get_values(ld, result, attr_res)) == NULL) {
+		lerr = ldap_result2error(ld, result, 0);
+		IDMAP_LOG(2, ("umich_id_to_name: ldap_get_values: "
+			  "%s (%d)", ldap_err2string(lerr), lerr));
+		goto out_memfree;
+	}
+
+	/*
+	 * Verify there is enough room in the output buffer before
+	 * copying returned string. (strlen doesn't count the null,
+	 * we make sure there is room for the null also, therefore
+	 * we use ">=" not just ">")
+	 */
+	if (strlen(names[0]) >= len) {
+		/* not enough space to return the name */
+		IDMAP_LOG(1, ("umich_id_to_name: output buffer size (%d) "
+			  "too small to return string, '%s', of length %d",
+			  len, names[0], strlen(names[0])));
+		goto out_memfree;
+	}
+	strcpy(*name, names[0]);
+
+	err = 0;
+out_memfree:
+	if (names)
+		ldap_value_free(names);
+	ldap_memfree(attr_res);
+	ber_free(ber, 0);
+out_unbind:
+	if (result)
+		ldap_msgfree(result);
+	ldap_unbind(ld);
+out:
+	return err;
+}
+
+static int
+umich_gss_princ_to_grouplist(char *principal, gid_t *groups, int *ngroups,
+			     struct umich_ldap_info *linfo)
+{
+	LDAP *ld = NULL;
+	struct timeval timeout = {
+		.tv_sec = linfo->ldap_timeout,
+	};
+	LDAPMessage *result, *entry;
+	char **names, filter[LDAP_FILT_MAXSIZ];
+	char *attrs[2];
+	int count = 0, err = -ENOMEM, lerr, f_len;
+        int i, num_gids;
+	gid_t *curr_group = groups;
+
+	err = -EINVAL;
+	if (linfo == NULL || linfo->server == NULL ||
+		linfo->people_tree == NULL || linfo->group_tree == NULL)
+		goto out;
+
+
+	if (ldap_init_and_bind(&ld, NULL, linfo))
+		goto out;
+
+	/*
+	 * First we need to map the gss principal name to a uid (name) string
+	 */
+	err = -EINVAL;
+	if ((f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+			     "(&(objectClass=%s)(%s=%s))",
+			     ldap_map.NFSv4_person_objcls,
+			     ldap_map.GSS_principal_attr, principal))
+			== LDAP_FILT_MAXSIZ) {
+		IDMAP_LOG(0, ("ERROR: umich_gss_princ_to_grouplist: "
+			  "filter too long!"));
+		goto out;
+	}
+
+	attrs[0] = ldap_map.NFSv4_acctname_attr;
+	attrs[1] = NULL;
+
+	err = ldap_search_st(ld, linfo->people_tree, LDAP_SCOPE_SUBTREE,
+			 filter, attrs, 0, &timeout, &result);
+	if (err) {
+		char *errmsg;
+
+		IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_search_st "
+			  "for tree '%s, filter '%s': %s (%d)",
+			  linfo->people_tree, filter,
+			  ldap_err2string(err), err));
+		if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS)
+				&& (errmsg != NULL) && (*errmsg != '\0')) {
+			IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: "
+				   "Additional info: %s", errmsg));
+			ldap_memfree(errmsg);
+		}
+		err = -ENOENT;
+		goto out_unbind;
+	}
+
+	err = -ENOENT;
+	count = ldap_count_entries(ld, result);
+	if (count != 1) {
+		IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: "
+                                "ldap account lookup of gssauthname %s returned %d accounts",
+                                principal,count));
+		goto out_unbind;
+	}
+
+	if (!(entry = ldap_first_entry(ld, result))) {
+		lerr = ldap_result2error(ld, result, 0);
+		IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_first_entry: "
+			  "%s (%d)", ldap_err2string(lerr), lerr));
+		goto out_unbind;
+	}
+
+	if ((names = ldap_get_values(ld, result, attrs[0])) == NULL) {
+		lerr = ldap_result2error(ld, result, 0);
+		IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_get_values: "
+			  "%s (%d)", ldap_err2string(lerr), lerr));
+		goto out_unbind;
+	}
+
+        if (ldap_info.memberof_for_groups) {
+
+            /*
+             * Collect the groups the user belongs to
+             */
+            if ((f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+                        "(&(objectClass=%s)(%s=%s))",
+                        ldap_map.NFSv4_person_objcls,
+                        ldap_map.NFSv4_acctname_attr,
+                        names[0])) == LDAP_FILT_MAXSIZ ) {
+                IDMAP_LOG(2, ("ERROR: umich_gss_princ_to_grouplist: "
+                          "filter too long!"));
+                ldap_value_free(names);
+                goto out_unbind;
+            }
+
+            ldap_value_free(names);
+
+            attrs[0] = ldap_map.NFSv4_member_of_attr;
+            attrs[1] = NULL;
+
+            err = ldap_search_st(ld, linfo->people_tree, LDAP_SCOPE_SUBTREE,
+                         filter, attrs, 0, &timeout, &result);
+
+            if (err) {
+                char *errmsg;
+
+                IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_search_st "
+                          "for tree '%s, filter '%s': %s (%d)",
+                          linfo->people_tree, filter,
+                          ldap_err2string(err), err));
+                if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS)
+                                && (errmsg != NULL) && (*errmsg != '\0')) {
+                        IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: "
+                                   "Additional info: %s", errmsg));
+                        ldap_memfree(errmsg);
+                }
+                err = -ENOENT;
+                goto out_unbind;
+            }
+	    err = -ENOENT;
+
+            /* pull the list of groups and place into names */
+            count = ldap_count_entries(ld, result);
+            if (count != 1) {
+                IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: "
+                    "ldap group member lookup of gssauthname %s returned %d multiple entries",
+                         principal,count));
+                goto out_unbind;
+            }
+
+            if (!(entry = ldap_first_entry(ld, result))) {
+                lerr = ldap_result2error(ld, result, 0);
+                IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_first_entry: "
+                          "%s (%d)", ldap_err2string(lerr), lerr));
+                goto out_unbind;
+            }
+
+            if ((names = ldap_get_values(ld, result, attrs[0])) == NULL) {
+                lerr = ldap_result2error(ld, result, 0);
+                IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_get_values: "
+                          "%s (%d)", ldap_err2string(lerr), lerr));
+                goto out_unbind;
+            }
+
+	    /*  Count the groups first before doing a lookup of the group.
+		If it exceeds the desired number of groups set the needed value
+		and abort. */
+	    for (i = 0; names[i] != NULL; i++);
+	    if ( i > *ngroups ) {
+		ldap_value_free(names);
+		err = -EINVAL;
+		IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: User %s, "
+			  "number of groups %d, exceeds requested number %d",
+			  principal, i, *ngroups));
+		*ngroups = i;
+		goto out_unbind;
+            }
+
+            /* Loop through the groupnames (names) and get the group gid */
+	    num_gids = 0;
+            for (i = 0; names[i] != NULL; i++){
+	      char **vals;
+              int valcount;
+              unsigned long tmp_g;
+              gid_t tmp_gid;
+	      char *cnptr = NULL;
+
+		cnptr = strchr(names[i],',');
+		if (cnptr) *cnptr = '\0';
+
+		err = -ENOENT;
+		if (ldap_map.NFSv4_grouplist_filter)
+        	    f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+                        "(&(objectClass=%s)(%s)%s)",
+                        ldap_map.NFSv4_group_objcls,
+                        names[i],
+			ldap_map.NFSv4_grouplist_filter);
+		else
+		    f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+                        "(&(objectClass=%s)(%s))",
+                        ldap_map.NFSv4_group_objcls,
+                        names[i]);
+
+		if ( f_len == LDAP_FILT_MAXSIZ ) {
+                		IDMAP_LOG(2, ("ERROR: umich_gss_princ_to_grouplist: "
+                          		"filter too long!"));
+                		ldap_value_free(names);
+                		goto out_unbind;
+        	}
+		attrs[0] = ldap_map.NFSv4_gid_attr;
+        	attrs[1] = NULL;
+
+        	err = ldap_search_st(ld, linfo->group_tree, LDAP_SCOPE_SUBTREE,
+                         filter, attrs, 0, &timeout, &result);
+		if (err) {
+                  char *errmsg;
+
+                	IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_search_st "
+                          "for tree '%s, filter '%s': %s (%d)",
+                          linfo->group_tree, filter,
+                          ldap_err2string(err), err));
+                	if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg)==LDAP_SUCCESS)
+						&&
+                                (errmsg != NULL) && (*errmsg != '\0')) {
+                        	IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: "
+                                   "Additional info: %s", errmsg));
+                        	ldap_memfree(errmsg);
+                	}
+                	continue;
+        	}
+
+		count = ldap_count_entries(ld, result);
+		if (count == 0)
+			continue;
+		if (count != 1 ){
+			IDMAP_LOG(2, ("umich_gss_princ_to_grouplist:"
+				"Group %s has %d gids defined - aborting", names[i], count));
+			ldap_value_free(names);
+			err = -ENOENT;
+			goto out_unbind;
+		}
+
+                vals = ldap_get_values(ld, result, ldap_map.NFSv4_gid_attr);
+
+                /* There should be only one gidNumber attribute per group */
+                if ((valcount = ldap_count_values(vals)) != 1) {
+                        IDMAP_LOG(2, ("DB problem getting gidNumber of "
+                                  "posixGroup! (count was %d)", valcount));
+			ldap_value_free(vals);
+                        continue;
+                }
+
+                tmp_g = strtoul(vals[0], (char **)NULL, 10);
+                tmp_gid = tmp_g;
+                if (tmp_gid != tmp_g ||
+                                (errno == ERANGE && tmp_g == ULONG_MAX)) {
+                        IDMAP_LOG(2, ("ERROR: umich_gss_princ_to_grouplist: "
+                                  "gidNumber too long converting '%s'",
+                                  vals[0]));
+                        ldap_value_free(vals);
+                        continue;
+                }
+                *curr_group++ = tmp_gid;
+		num_gids++;
+                ldap_value_free(vals);
+            }
+	    ldap_value_free(names);
+	    *ngroups = num_gids;
+	    err = 0;
+	} else {
+
+	    /*
+	     * Then determine the groups that uid (name) string is a member of
+	     */
+	    err = -EINVAL;
+	    if (ldap_map.NFSv4_grouplist_filter)
+	    	f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+                        "(&(objectClass=%s)(%s=%s)%s)",
+                        ldap_map.NFSv4_group_objcls,
+                        ldap_map.NFSv4_member_attr,
+                        names[0],
+			ldap_map.NFSv4_grouplist_filter);
+
+            else
+                f_len = snprintf(filter, LDAP_FILT_MAXSIZ,
+                        "(&(objectClass=%s)(%s=%s))",
+                        ldap_map.NFSv4_group_objcls,
+                        ldap_map.NFSv4_member_attr,
+                        names[0]);
+
+            if ( f_len == LDAP_FILT_MAXSIZ ) {
+		IDMAP_LOG(0, ("ERROR: umich_gss_princ_to_grouplist: "
+			  "filter too long!"));
+		ldap_value_free(names);
+		goto out_unbind;
+	    }
+
+	    ldap_value_free(names);
+
+	    attrs[0] = ldap_map.NFSv4_gid_attr;
+	    attrs[1] = NULL;
+
+            err = ldap_search_st(ld, linfo->group_tree, LDAP_SCOPE_SUBTREE,
+			 filter, attrs, 0, &timeout, &result);
+
+	    if (err) {
+		char *errmsg;
+
+		IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: ldap_search_st "
+			  "for tree '%s, filter '%s': %s (%d)",
+			  linfo->group_tree, filter,
+			  ldap_err2string(err), err));
+		if ((ldap_get_option(ld, LDAP_OPT_ERROR_STRING, &errmsg) == LDAP_SUCCESS) &&
+				(errmsg != NULL) && (*errmsg != '\0')) {
+			IDMAP_LOG(2, ("umich_gss_princ_to_grouplist: "
+				   "Additional info: %s", errmsg));
+			ldap_memfree(errmsg);
+		}
+		err = -ENOENT;
+		goto out_unbind;
+	    }
+
+	    /*
+	     * If we can't determine count, return that error
+	     * If we have nothing to return, return success
+	     * If we have more than they asked for, tell them the
+	     * number required and return an error
+	     */
+	    count = ldap_count_entries(ld, result);
+
+	    if (count < 0) {
+		err = count;
+		goto out_unbind;
+	    }
+	    if (count == 0) {
+		*ngroups = 0;
+		err = 0;
+		goto out_unbind;
+	    }
+	    if (count > *ngroups) {
+		*ngroups = count;
+		err = -EINVAL;
+		goto out_unbind;
+	    }
+	    *ngroups = count;
+
+	    curr_group = groups;
+
+	    err = -ENOENT;
+	    for (entry = ldap_first_entry(ld, result);
+	     entry != NULL;
+	     entry = ldap_next_entry(ld, entry)) {
+
+		char **vals;
+		int valcount;
+		unsigned long tmp_g;
+		gid_t tmp_gid;
+
+		vals = ldap_get_values(ld, entry, ldap_map.NFSv4_gid_attr);
+
+		/* There should be only one gidNumber attribute per group */
+		if ((valcount = ldap_count_values(vals)) != 1) {
+			IDMAP_LOG(0, ("DB problem getting gidNumber of "
+				  "posixGroup! (count was %d)", valcount));
+			goto out_unbind;
+		}
+		tmp_g = strtoul(vals[0], (char **)NULL, 10);
+		tmp_gid = tmp_g;
+		if (tmp_gid != tmp_g ||
+				(errno == ERANGE && tmp_g == ULONG_MAX)) {
+			IDMAP_LOG(0, ("ERROR: umich_gss_princ_to_grouplist: "
+				  "gidNumber too long converting '%s'",
+				  vals[0]));
+			ldap_value_free(vals);
+			goto out_unbind;
+		}
+		*curr_group++ = tmp_gid;
+		ldap_value_free(vals);
+	    }
+	    err = 0;
+	}
+
+out_unbind:
+	ldap_unbind(ld);
+out:
+	return err;
+}
+
+
+/*
+ * principal:   krb5  - princ@realm, use KrbName ldap attribute
+ *              spkm3 - X.509 dn, use X509Name ldap attribute
+ */
+static int
+umichldap_gss_princ_to_ids(char *secname, char *principal,
+			   uid_t *uid, gid_t *gid,
+			   extra_mapping_params **UNUSED(ex))
+{
+	uid_t rtnd_uid = -1;
+	gid_t rtnd_gid = -1;
+	int err = -EINVAL;
+
+	if ((strcmp(secname, "krb5") != 0) && (strcmp(secname, "spkm3") != 0)) {
+		IDMAP_LOG(0, ("ERROR: umichldap_gss_princ_to_ids: "
+			  "invalid secname '%s'", secname));
+		return err;
+	}
+
+	err = umich_name_to_ids(principal, IDTYPE_USER, &rtnd_uid, &rtnd_gid,
+			ldap_map.GSS_principal_attr, &ldap_info);
+	if (err < 0)
+		goto out;
+
+	*uid = rtnd_uid;
+	*gid = rtnd_gid;
+out:
+	return err;
+}
+
+static int
+umichldap_name_to_uid(char *name, uid_t *uid)
+{
+	gid_t gid;
+
+	return umich_name_to_ids(name, IDTYPE_USER, uid,
+				 &gid, ldap_map.NFSv4_nfsname_attr, &ldap_info);
+}
+
+static int
+umichldap_name_to_gid(char *name, gid_t *gid)
+{
+	uid_t uid;
+
+	return umich_name_to_ids(name, IDTYPE_GROUP, &uid, gid,
+				 ldap_map.NFSv4_group_nfsname_attr, &ldap_info);
+}
+
+static int
+umichldap_uid_to_name(uid_t uid, char *UNUSED(domain), char *name, size_t len)
+{
+	return umich_id_to_name(uid, IDTYPE_USER, &name, len, &ldap_info);
+}
+
+static int
+umichldap_gid_to_name(gid_t gid, char *UNUSED(domain), char *name, size_t len)
+{
+	return umich_id_to_name(gid, IDTYPE_GROUP, &name, len, &ldap_info);
+}
+
+static int
+umichldap_gss_princ_to_grouplist(char *secname, char *principal,
+		gid_t *groups, int *ngroups, extra_mapping_params **UNUSED(ex))
+{
+	int err = -EINVAL;
+
+	if ((strcmp(secname, "krb5") != 0) && (strcmp(secname, "spkm3") != 0)) {
+		IDMAP_LOG(0, ("ERROR: umichldap_gss_princ_to_grouplist: "
+			  "invalid secname '%s'", secname));
+		return err;
+	}
+
+	return umich_gss_princ_to_grouplist(principal, groups, ngroups,
+					    &ldap_info);
+}
+
+/*
+ * TLS connections require that the hostname we specify matches
+ * the hostname in the certificate that the server uses.
+ * Get a canonical name for the host specified in the config file.
+ */
+static char *
+get_canonical_hostname(const char *inname)
+{
+	int aierr, error;
+	struct addrinfo *ap, aihints;
+	char *return_name = NULL;
+	char tmphost[NI_MAXHOST];
+
+	memset(&aihints, 0, sizeof(aihints));
+	aihints.ai_socktype = SOCK_STREAM;
+	aihints.ai_flags = AI_CANONNAME;
+	aihints.ai_family = PF_INET;
+	aierr = getaddrinfo(inname, NULL, &aihints, &ap);
+	if (aierr) {
+		const char *msg;
+		/* We want to customize some messages.  */
+		switch (aierr) {
+		case EAI_NONAME:
+			msg = "host unknown";
+			break;
+		default:
+			msg = gai_strerror(aierr);
+			break;
+		}
+		IDMAP_LOG(1, ("%s: '%s': %s", __FUNCTION__, inname, msg));
+		goto out_err;
+	}
+	if (ap == 0) {
+		IDMAP_LOG(1, ("%s: no addresses for host '%s'?",
+			  __FUNCTION__, inname));
+		goto out_err;
+	}
+
+	error = getnameinfo (ap->ai_addr, ap->ai_addrlen, tmphost,
+			     sizeof(tmphost), NULL, 0, 0);
+	if (error) {
+		IDMAP_LOG(1, ("%s: getnameinfo for host '%s' failed (%d)",
+			  __FUNCTION__, inname));
+		goto out_free;
+	}
+	return_name = strdup (tmphost);
+
+out_free:
+	nfs_freeaddrinfo(ap);
+out_err:
+	return return_name;
+}
+
+static int
+umichldap_init(void)
+{
+	char *tssl, *canonicalize, *memberof, *cert_req, *follow_referrals;
+	char missing_msg[128] = "";
+	char *server_in, *canon_name;
+
+	if (nfsidmap_conf_path)
+		conf_init_file(nfsidmap_conf_path);
+
+	server_in = conf_get_str(LDAP_SECTION, "LDAP_server");
+	ldap_info.base = conf_get_str(LDAP_SECTION, "LDAP_base");
+	ldap_info.people_tree = conf_get_str(LDAP_SECTION, "LDAP_people_base");
+	ldap_info.group_tree = conf_get_str(LDAP_SECTION, "LDAP_group_base");
+	ldap_info.user_dn = conf_get_str(LDAP_SECTION, "LDAP_user_dn");
+	ldap_info.passwd = conf_get_str(LDAP_SECTION, "LDAP_passwd");
+	tssl = conf_get_str_with_def(LDAP_SECTION, "LDAP_use_ssl", "false");
+	if ((strcasecmp(tssl, "true") == 0) ||
+	    (strcasecmp(tssl, "on") == 0) ||
+	    (strcasecmp(tssl, "yes") == 0))
+		ldap_info.use_ssl = 1;
+	else
+		ldap_info.use_ssl = 0;
+	ldap_info.ca_cert = conf_get_str(LDAP_SECTION, "LDAP_CA_CERT");
+	cert_req = conf_get_str(LDAP_SECTION, "LDAP_tls_reqcert");
+	if (cert_req != NULL) {
+		if (strcasecmp(cert_req, "hard") == 0)
+			ldap_info.tls_reqcert = LDAP_OPT_X_TLS_HARD;
+		else if (strcasecmp(cert_req, "demand") == 0)
+			ldap_info.tls_reqcert = LDAP_OPT_X_TLS_DEMAND;
+		else if (strcasecmp(cert_req, "try") == 0)
+			ldap_info.tls_reqcert = LDAP_OPT_X_TLS_TRY;
+		else if (strcasecmp(cert_req, "allow") == 0)
+			ldap_info.tls_reqcert = LDAP_OPT_X_TLS_ALLOW;
+		else if (strcasecmp(cert_req, "never") == 0)
+			ldap_info.tls_reqcert = LDAP_OPT_X_TLS_NEVER;
+		else {
+			IDMAP_LOG(0, ("umichldap_init: Invalid value(%s) for "
+				      "LDAP_tls_reqcert."));
+			goto fail;
+		}
+	}
+	/* vary the default port depending on whether they use SSL or not */
+	ldap_info.port = conf_get_num(LDAP_SECTION, "LDAP_port",
+				      (ldap_info.use_ssl) ?
+				      LDAPS_PORT : LDAP_PORT);
+
+	ldap_info.sasl_mech = conf_get_str(LDAP_SECTION, "LDAP_sasl_mech");
+	ldap_info.sasl_realm = conf_get_str(LDAP_SECTION, "LDAP_sasl_realm");
+	ldap_info.sasl_authcid = conf_get_str(LDAP_SECTION,
+					      "LDAP_sasl_authcid");
+	ldap_info.sasl_authzid = conf_get_str(LDAP_SECTION,
+					      "LDAP_sasl_authzid");
+	ldap_info.sasl_secprops = conf_get_str(LDAP_SECTION,
+					       "LDAP_sasl_secprops");
+
+	/* If it is not set let the ldap lib work with the lib default */
+	canonicalize = conf_get_str_with_def(LDAP_SECTION,
+					     "LDAP_sasl_canonicalize", "undef");
+	if ((strcasecmp(canonicalize, "true") == 0) ||
+	    (strcasecmp(canonicalize, "on") == 0) ||
+	    (strcasecmp(canonicalize, "yes") == 0)) {
+		ldap_info.sasl_canonicalize = 1;
+	} else if ((strcasecmp(canonicalize, "false") == 0) ||
+	    (strcasecmp(canonicalize, "off") == 0) ||
+	    (strcasecmp(canonicalize, "no") == 0)) {
+		ldap_info.sasl_canonicalize = 0;
+	}
+	ldap_info.sasl_krb5_ccname = conf_get_str(LDAP_SECTION,
+						  "LDAP_sasl_krb5_ccname");
+
+	follow_referrals = conf_get_str_with_def(LDAP_SECTION,
+						 "LDAP_follow_referrals",
+						 "true");
+	if ((strcasecmp(follow_referrals, "true") == 0) ||
+	    (strcasecmp(follow_referrals, "on") == 0) ||
+	    (strcasecmp(follow_referrals, "yes") == 0))
+		ldap_info.follow_referrals = 1;
+	else
+		ldap_info.follow_referrals = 0;
+
+	/* Verify required information is supplied */
+	if (server_in == NULL || strlen(server_in) == 0)
+		strncat(missing_msg, "LDAP_server ", sizeof(missing_msg)-1);
+	if (ldap_info.base == NULL || strlen(ldap_info.base) == 0)
+		strncat(missing_msg, "LDAP_base ", sizeof(missing_msg)-1);
+	if (strlen(missing_msg) != 0) {
+		IDMAP_LOG(0, ("umichldap_init: Missing required information: "
+			  "%s", missing_msg));
+		goto fail;
+	}
+
+	ldap_info.server = server_in;
+	canonicalize = conf_get_str_with_def(LDAP_SECTION,
+					     "LDAP_canonicalize_name", "yes");
+	if ((strcasecmp(canonicalize, "true") == 0) ||
+	    (strcasecmp(canonicalize, "on") == 0) ||
+	    (strcasecmp(canonicalize, "yes") == 0)) {
+		canon_name = get_canonical_hostname(server_in);
+		if (canon_name == NULL)
+			IDMAP_LOG(0, ("umichldap_init: Warning! Unable to "
+				  "canonicalize server name '%s' as requested.",
+				  server_in));
+		else
+			ldap_info.server = canon_name;
+	}
+
+	/* get the ldap mapping attributes/objectclasses (all have defaults) */
+	ldap_map.NFSv4_person_objcls =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_person_objectclass",
+				      DEFAULT_UMICH_OBJCLASS_REMOTE_PERSON);
+
+	ldap_map.NFSv4_group_objcls =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_group_objectclass",
+				      DEFAULT_UMICH_OBJCLASS_REMOTE_GROUP);
+
+	ldap_map.NFSv4_nfsname_attr =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_name_attr",
+				      DEFAULT_UMICH_ATTR_NFSNAME);
+
+	ldap_map.NFSv4_uid_attr =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_uid_attr",
+				      DEFAULT_UMICH_ATTR_UIDNUMBER);
+
+	ldap_map.NFSv4_acctname_attr =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_acctname_attr",
+				      DEFAULT_UMICH_ATTR_ACCTNAME);
+
+	ldap_map.NFSv4_group_nfsname_attr =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_group_attr",
+				      DEFAULT_UMICH_ATTR_GROUP_NFSNAME);
+
+	ldap_map.NFSv4_gid_attr =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_gid_attr",
+				      DEFAULT_UMICH_ATTR_GIDNUMBER);
+
+	ldap_map.NFSv4_member_attr =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_member_attr",
+				      DEFAULT_UMICH_ATTR_MEMBERUID);
+
+	ldap_map.GSS_principal_attr =
+		conf_get_str_with_def(LDAP_SECTION, "GSS_principal_attr",
+				      DEFAULT_UMICH_ATTR_GSSAUTHNAME);
+
+	ldap_map.NFSv4_grouplist_filter =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_grouplist_filter",
+				      NULL);
+
+	ldap_map.NFSv4_member_of_attr =
+		conf_get_str_with_def(LDAP_SECTION, "NFSv4_member_of_attr",
+				      DEFAULT_UMICH_ATTR_MEMBEROF);
+
+	ldap_info.ldap_timeout =
+		conf_get_num(LDAP_SECTION, "LDAP_timeout_seconds",
+                                      DEFAULT_UMICH_SEARCH_TIMEOUT);
+
+
+ 	/*
+	 * Some LDAP servers do a better job with indexing where searching
+	 * through all the groups searching for the user in the memberuid
+	 * list.  Others like SunOne directory that search can takes minutes
+	 * if there are thousands of groups. So setting
+	 * LDAP_use_memberof_for_groups to true in the configuration file
+	 * will use the memberof lists of the account and search through
+	 * only those groups to obtain gids.
+	 */
+	memberof = conf_get_str_with_def(LDAP_SECTION,
+				"LDAP_use_memberof_for_groups", "false");
+        if ((strcasecmp(memberof, "true") == 0) ||
+            (strcasecmp(memberof, "on") == 0) ||
+            (strcasecmp(memberof, "yes") == 0))
+                ldap_info.memberof_for_groups = 1;
+        else
+                ldap_info.memberof_for_groups = 0;
+
+	/*
+	 * If they specified a search base for the
+	 * people tree or group tree we use that.
+	 * Otherwise we use the default search base.
+	 * Note:  We no longer append the default base to the tree --
+	 * that should already be specified.
+	 * this functions much like the NSS_LDAP modules
+	 */
+	if (ldap_info.people_tree == NULL || strlen(ldap_info.people_tree) == 0)
+		ldap_info.people_tree = ldap_info.base;
+	if (ldap_info.group_tree == NULL || strlen(ldap_info.group_tree) == 0)
+		ldap_info.group_tree = ldap_info.base;
+
+	if (ldap_info.use_ssl &&
+	    ldap_info.tls_reqcert != LDAP_OPT_X_TLS_NEVER &&
+	    ldap_info.ca_cert == NULL) {
+		IDMAP_LOG(0, ("umichldap_init: You must specify LDAP_ca_cert "
+			  "with LDAP_use_ssl=yes and "
+			  "LDAP_tls_reqcert not set to \"never\""));
+		goto fail;
+	}
+
+
+	/* print out some good debugging info */
+	IDMAP_LOG(1, ("umichldap_init: canonicalize_name: %s",
+		  canonicalize));
+	IDMAP_LOG(1, ("umichldap_init: server  : %s (from config value '%s')",
+		  ldap_info.server, server_in));
+	IDMAP_LOG(1, ("umichldap_init: port    : %d", ldap_info.port));
+	IDMAP_LOG(1, ("umichldap_init: people  : %s", ldap_info.people_tree));
+	IDMAP_LOG(1, ("umichldap_init: groups  : %s", ldap_info.group_tree));
+
+	IDMAP_LOG(1, ("umichldap_init: user_dn : %s",
+		  (ldap_info.user_dn && strlen(ldap_info.user_dn) != 0)
+		  ? ldap_info.user_dn : "<not-supplied>"));
+	/* Don't print actual password into the log. */
+	IDMAP_LOG(1, ("umichldap_init: passwd  : %s",
+		  (ldap_info.passwd && strlen(ldap_info.passwd) != 0) ?
+		  "<supplied>" : "<not-supplied>"));
+	IDMAP_LOG(1, ("umichldap_init: use_ssl : %s",
+		  ldap_info.use_ssl ? "yes" : "no"));
+	IDMAP_LOG(1, ("umichldap_init: ca_cert : %s",
+		  ldap_info.ca_cert ? ldap_info.ca_cert : "<not-supplied>"));
+	IDMAP_LOG(1, ("umichldap_init: tls_reqcert : %s(%d)",
+		  cert_req ? cert_req : "<not-supplied>",
+		  ldap_info.tls_reqcert));
+	IDMAP_LOG(1, ("umichldap_init: use_memberof_for_groups : %s",
+		  ldap_info.memberof_for_groups ? "yes" : "no"));
+	IDMAP_LOG(1, ("umichldap_init: sasl_mech: %s",
+		  (ldap_info.sasl_mech && strlen(ldap_info.sasl_mech) != 0) ?
+		  ldap_info.sasl_mech : "<not-supplied>"));
+	IDMAP_LOG(1, ("umichldap_init: sasl_realm: %s",
+		  (ldap_info.sasl_realm && strlen(ldap_info.sasl_realm) != 0) ?
+		  ldap_info.sasl_realm : "<not-supplied>"));
+	IDMAP_LOG(1, ("umichldap_init: sasl_authcid: %s",
+		  (ldap_info.sasl_authcid &&
+		   strlen(ldap_info.sasl_authcid) != 0) ?
+		  ldap_info.sasl_authcid : "<not-supplied>"));
+	IDMAP_LOG(1, ("umichldap_init: sasl_authzid: %s",
+		  (ldap_info.sasl_authzid &&
+		   strlen(ldap_info.sasl_authzid) != 0) ?
+		  ldap_info.sasl_authzid : "<not-supplied>"));
+	IDMAP_LOG(1, ("umichldap_init: sasl_secprops: %s",
+		  (ldap_info.sasl_secprops &&
+		   strlen(ldap_info.sasl_secprops) != 0) ?
+		  ldap_info.sasl_secprops : "<not-supplied>"));
+	IDMAP_LOG(1, ("umichldap_init: sasl_canonicalize: %d",
+		      ldap_info.sasl_canonicalize));
+	IDMAP_LOG(1, ("umichldap_init: sasl_krb5_ccname: %s",
+		      ldap_info.sasl_krb5_ccname));
+	IDMAP_LOG(1, ("umichldap_init: follow_referrals: %s",
+		  ldap_info.follow_referrals ? "yes" : "no"));
+
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_person_objectclass : %s",
+		  ldap_map.NFSv4_person_objcls));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_nfsname_attr       : %s",
+		  ldap_map.NFSv4_nfsname_attr));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_acctname_attr      : %s",
+		  ldap_map.NFSv4_acctname_attr));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_uid_attr           : %s",
+		  ldap_map.NFSv4_uid_attr));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_group_objectclass  : %s",
+		  ldap_map.NFSv4_group_objcls));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_gid_attr           : %s",
+		  ldap_map.NFSv4_gid_attr));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_group_nfsname_attr : %s",
+		  ldap_map.NFSv4_group_nfsname_attr));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_member_attr        : %s",
+		  ldap_map.NFSv4_member_attr));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_member_of_attr     : %s",
+		  ldap_map.NFSv4_member_of_attr));
+	IDMAP_LOG(1, ("umichldap_init: NFSv4_grouplist_filter   : %s",
+		  ldap_map.NFSv4_grouplist_filter ?
+		  ldap_map.NFSv4_grouplist_filter : "<not-specified>"));
+	IDMAP_LOG(1, ("umichldap_init: GSS_principal_attr       : %s",
+		  ldap_map.GSS_principal_attr));
+	return 0;
+fail:
+  	return -1;
+}
+
+
+/* The external interface */
+
+struct trans_func umichldap_trans = {
+	.name		= "umich_ldap",
+	.init		= umichldap_init,
+	.princ_to_ids   = umichldap_gss_princ_to_ids,
+	.name_to_uid    = umichldap_name_to_uid,
+	.name_to_gid    = umichldap_name_to_gid,
+	.uid_to_name    = umichldap_uid_to_name,
+	.gid_to_name    = umichldap_gid_to_name,
+	.gss_princ_to_grouplist = umichldap_gss_princ_to_grouplist,
+};
+
+struct trans_func *libnfsidmap_plugin_init(void)
+{
+	return (&umichldap_trans);
+}
diff --git a/support/nsm/Makefile.am b/support/nsm/Makefile.am
new file mode 100644
index 0000000..8f5874e
--- /dev/null
+++ b/support/nsm/Makefile.am
@@ -0,0 +1,46 @@
+## Process this file with automake to produce Makefile.in
+
+GENFILES_CLNT	= sm_inter_clnt.c
+GENFILES_SVC	= sm_inter_svc.c
+GENFILES_XDR	= sm_inter_xdr.c
+GENFILES_H	= sm_inter.h
+
+GENFILES	= $(GENFILES_CLNT) $(GENFILES_SVC) $(GENFILES_XDR) $(GENFILES_H)
+
+EXTRA_DIST	= sm_inter.x
+
+noinst_LIBRARIES = libnsm.a
+libnsm_a_SOURCES = $(GENFILES) file.c rpc.c
+
+BUILT_SOURCES = $(GENFILES)
+
+if CONFIG_RPCGEN
+RPCGEN	= $(top_builddir)/tools/rpcgen/rpcgen
+$(RPCGEN):
+	make -C ../../tools/rpcgen all
+else
+RPCGEN = @RPCGEN_PATH@
+endif
+
+$(GENFILES_CLNT): %_clnt.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
+
+$(GENFILES_SVC): %_svc.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -m -o $@ $<
+
+$(GENFILES_XDR): %_xdr.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -i 0 -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+	echo "void sm_prog_1(struct svc_req *, SVCXPRT *);" >> $@
+	rm -f $(top_builddir)/support/include/sm_inter.h
+	$(LN_S) ../nsm/sm_inter.h $(top_builddir)/support/include/sm_inter.h
+
+MAINTAINERCLEANFILES = Makefile.in
+
+CLEANFILES = $(GENFILES) $(top_builddir)/support/include/sm_inter.h
diff --git a/support/nsm/Makefile.in b/support/nsm/Makefile.in
new file mode 100644
index 0000000..54eaea9
--- /dev/null
+++ b/support/nsm/Makefile.in
@@ -0,0 +1,744 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
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+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
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+      -*O?*) strip_trailopt 'O';; \
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+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
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+  test $$has_opt = yes
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+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = support/nsm
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
+	$(top_srcdir)/aclocal/bsdsignals.m4 \
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
+	$(top_srcdir)/aclocal/keyutils.m4 \
+	$(top_srcdir)/aclocal/libblkid.m4 \
+	$(top_srcdir)/aclocal/libcap.m4 \
+	$(top_srcdir)/aclocal/libevent.m4 \
+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
+	$(top_srcdir)/aclocal/rpcsec_vers.m4 \
+	$(top_srcdir)/aclocal/tcp-wrappers.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/support/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+LIBRARIES = $(noinst_LIBRARIES)
+ARFLAGS = cru
+AM_V_AR = $(am__v_AR_@AM_V@)
+am__v_AR_ = $(am__v_AR_@AM_DEFAULT_V@)
+am__v_AR_0 = @echo "  AR      " $@;
+am__v_AR_1 = 
+libnsm_a_AR = $(AR) $(ARFLAGS)
+libnsm_a_LIBADD =
+am__objects_1 = sm_inter_clnt.$(OBJEXT)
+am__objects_2 = sm_inter_svc.$(OBJEXT)
+am__objects_3 = sm_inter_xdr.$(OBJEXT)
+am__objects_4 =
+am__objects_5 = $(am__objects_1) $(am__objects_2) $(am__objects_3) \
+	$(am__objects_4)
+am_libnsm_a_OBJECTS = $(am__objects_5) file.$(OBJEXT) rpc.$(OBJEXT)
+libnsm_a_OBJECTS = $(am_libnsm_a_OBJECTS)
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/support/include
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/file.Po ./$(DEPDIR)/rpc.Po \
+	./$(DEPDIR)/sm_inter_clnt.Po ./$(DEPDIR)/sm_inter_svc.Po \
+	./$(DEPDIR)/sm_inter_xdr.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
+am__v_CCLD_1 = 
+SOURCES = $(libnsm_a_SOURCES)
+DIST_SOURCES = $(libnsm_a_SOURCES)
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
+# Read a list of newline-separated strings from the standard input,
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+am__uniquify_input = $(AWK) '\
+  BEGIN { nonempty = 0; } \
+  { items[$$0] = 1; nonempty = 1; } \
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+'
+# Make sure the list of sources is unique.  This is necessary because,
+# e.g., the same source file might be shared among _SOURCES variables
+# for different programs/libraries.
+am__define_uniq_tagged_files = \
+  list='$(am__tagged_files)'; \
+  unique=`for i in $$list; do \
+    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+  done | $(am__uniquify_input)`
+am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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+ACLOCAL_AMFLAGS = @ACLOCAL_AMFLAGS@
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+AM_CPPFLAGS = @AM_CPPFLAGS@
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+
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+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
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+$(GENFILES_SVC): %_svc.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
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+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -i 0 -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+	echo "void sm_prog_1(struct svc_req *, SVCXPRT *);" >> $@
+	rm -f $(top_builddir)/support/include/sm_inter.h
+	$(LN_S) ../nsm/sm_inter.h $(top_builddir)/support/include/sm_inter.h
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/nsm/file.c b/support/nsm/file.c
new file mode 100644
index 0000000..f5b4480
--- /dev/null
+++ b/support/nsm/file.c
@@ -0,0 +1,1092 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * NSM for Linux.
+ *
+ * Callback information and NSM state is stored in files, usually
+ * under /var/lib/nfs.  A database of information contained in local
+ * files stores NLM callback data and what remote peers to notify of
+ * reboots.
+ *
+ * For each monitored remote peer, a text file is created under the
+ * directory specified by NSM_MONITOR_DIR.  The name of the file
+ * is a valid DNS hostname.  The hostname string must be a valid
+ * ASCII DNS name, and must not contain slash characters, white space,
+ * or '\0' (ie. anything that might have some special meaning in a
+ * path name).
+ *
+ * The contents of each file include seven blank-separated fields of
+ * text, finished with '\n'.  The first field contains the network
+ * address of the NLM service to call back.  The current implementation
+ * supports using only IPv4 addresses, so the only contents of this
+ * field are a network order IPv4 address expressed in 8 hexadecimal
+ * characters.
+ *
+ * The next four fields are text strings of hexadecimal characters,
+ * representing:
+ *
+ * 2. A 4 byte RPC program number of the NLM service to call back
+ * 3. A 4 byte RPC version number of the NLM service to call back
+ * 4. A 4 byte RPC procedure number of the NLM service to call back
+ * 5. A 16 byte opaque cookie that the NLM service uses to identify
+ *    the monitored host
+ *
+ * The sixth field is the monitored host's mon_name, passed to statd
+ * via an SM_MON request.
+ *
+ * The seventh field is the my_name for this peer, which is the
+ * hostname of the local NLM (currently on Linux, the result of
+ * `uname -n`).  This can be used as the source address/hostname
+ * when sending SM_NOTIFY requests.
+ *
+ * The NSM protocol does not limit the contents of these strings
+ * in any way except that they must fit into 1024 bytes.  Our
+ * implementation requires that these strings not contain
+ * white space or '\0'.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#ifdef HAVE_SYS_CAPABILITY_H
+#include <sys/capability.h>
+#endif
+#include <sys/prctl.h>
+#include <sys/stat.h>
+
+#include <ctype.h>
+#include <string.h>
+#include <stdint.h>
+#ifndef S_SPLINT_S
+#include <unistd.h>
+#endif
+#include <libgen.h>
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <grp.h>
+
+#include "xlog.h"
+#include "nsm.h"
+#include "misc.h"
+
+#define RPCARGSLEN	(4 * (8 + 1))
+#define LINELEN		(RPCARGSLEN + SM_PRIV_SIZE * 2 + 1)
+
+#define NSM_KERNEL_STATE_FILE	"/proc/sys/fs/nfs/nsm_local_state"
+
+static char nsm_base_dirname[PATH_MAX] = NSM_DEFAULT_STATEDIR;
+
+#define NSM_MONITOR_DIR	"sm"
+#define NSM_NOTIFY_DIR	"sm.bak"
+#define NSM_STATE_FILE	"state"
+
+
+static _Bool
+error_check(const int len, const size_t buflen)
+{
+	return (len < 0) || ((size_t)len >= buflen);
+}
+
+static _Bool
+exact_error_check(const ssize_t len, const size_t buflen)
+{
+	return (len < 0) || ((size_t)len != buflen);
+}
+
+/*
+ * Returns a dynamically allocated, '\0'-terminated buffer
+ * containing an appropriate pathname, or NULL if an error
+ * occurs.  Caller must free the returned result with free(3).
+ */
+__attribute__((__malloc__))
+static char *
+nsm_make_record_pathname(const char *directory, const char *hostname)
+{
+	const char *c;
+	size_t size;
+	char *path;
+	int len;
+
+	/*
+	 * Block hostnames that contain characters that have
+	 * meaning to the file system (like '/'), or that can
+	 * be confusing on visual inspection (like ' ').
+	 */
+	for (c = hostname; *c != '\0'; c++)
+		if (*c == '/' || isspace((int)*c) != 0) {
+			xlog(D_GENERAL, "Hostname contains invalid characters");
+			return NULL;
+		}
+
+	size = strlen(nsm_base_dirname) + strlen(directory) + strlen(hostname) + 3;
+	if (size > PATH_MAX) {
+		xlog(D_GENERAL, "Hostname results in pathname that is too long");
+		return NULL;
+	}
+
+	path = malloc(size);
+	if (path == NULL) {
+		xlog(D_GENERAL, "Failed to allocate memory for pathname");
+		return NULL;
+	}
+
+	len = snprintf(path, size, "%s/%s/%s",
+			nsm_base_dirname, directory, hostname);
+	if (error_check(len, size)) {
+		xlog(D_GENERAL, "Pathname did not fit in specified buffer");
+		free(path);
+		return NULL;
+	}
+
+	return path;
+}
+
+/*
+ * Returns a dynamically allocated, '\0'-terminated buffer
+ * containing an appropriate pathname, or NULL if an error
+ * occurs.  Caller must free the returned result with free(3).
+ */
+__attribute__((__malloc__))
+static char *
+nsm_make_pathname(const char *directory)
+{
+	return generic_make_pathname(nsm_base_dirname, directory);
+}
+
+/*
+ * Returns a dynamically allocated, '\0'-terminated buffer
+ * containing an appropriate pathname, or NULL if an error
+ * occurs.  Caller must free the returned result with free(3).
+ */
+__attribute__((__malloc__))
+static char *
+nsm_make_temp_pathname(const char *pathname)
+{
+	size_t size;
+	char *path;
+	int len;
+
+	size = strlen(pathname) + sizeof(".new") + 2;
+	if (size > PATH_MAX)
+		return NULL;
+
+	path = malloc(size);
+	if (path == NULL)
+		return NULL;
+
+	len = snprintf(path, size, "%s.new", pathname);
+	if (error_check(len, size)) {
+		free(path);
+		return NULL;
+	}
+
+	return path;
+}
+
+/*
+ * Use "mktemp, write, rename" to update the contents of a file atomically.
+ *
+ * Returns true if completely successful, or false if some error occurred.
+ */
+static _Bool
+nsm_atomic_write(const char *path, const void *buf, const size_t buflen)
+{
+	_Bool result = false;
+	ssize_t len;
+	char *temp;
+	int fd;
+
+	temp = nsm_make_temp_pathname(path);
+	if (temp == NULL) {
+		xlog(L_ERROR, "Failed to create new path for %s", path);
+		goto out;
+	}
+
+	fd = open(temp, O_CREAT | O_TRUNC | O_SYNC | O_WRONLY, 0644);
+	if (fd == -1) {
+		xlog(L_ERROR, "Failed to create %s: %m", temp);
+		goto out;
+	}
+
+	len = write(fd, buf, buflen);
+	if (exact_error_check(len, buflen)) {
+		xlog(L_ERROR, "Failed to write %s: %m", temp);
+		(void)close(fd);
+		(void)unlink(temp);
+		goto out;
+	}
+
+	if (close(fd) == -1) {
+		xlog(L_ERROR, "Failed to close %s: %m", temp);
+		(void)unlink(temp);
+		goto out;
+	}
+
+	if (rename(temp, path) == -1) {
+		xlog(L_ERROR, "Failed to rename %s -> %s: %m",
+				temp, path);
+		(void)unlink(temp);
+		goto out;
+	}
+
+	/* Ostensibly, a sync(2) is not needed here because
+	 * open(O_CREAT), write(O_SYNC), and rename(2) are
+	 * already synchronous with persistent storage, for
+	 * any file system we care about. */
+
+	result = true;
+
+out:
+	free(temp);
+	return result;
+}
+
+/**
+ * nsm_setup_pathnames - set up pathname
+ * @progname: C string containing name of program, for error messages
+ * @parentdir: C string containing pathname to on-disk state, or NULL
+ *
+ * This runs before logging is set up, so error messages are directed
+ * to stderr.
+ *
+ * Returns true and sets up our pathnames, if @parentdir was valid
+ * and usable; otherwise false is returned.
+ */
+_Bool
+nsm_setup_pathnames(const char *progname, const char *parentdir)
+{
+	return generic_setup_basedir(progname, parentdir, nsm_base_dirname,
+				     PATH_MAX);
+}
+
+/**
+ * nsm_is_default_parentdir - check if parent directory is default
+ *
+ * Returns true if the active statd parent directory, set by
+ * nsm_change_pathname(), is the same as the built-in default
+ * parent directory; otherwise false is returned.
+ */
+_Bool
+nsm_is_default_parentdir(void)
+{
+	return strcmp(nsm_base_dirname, NSM_DEFAULT_STATEDIR) == 0;
+}
+
+/*
+ * Clear all capabilities but CAP_NET_BIND_SERVICE.  This permits
+ * callers to acquire privileged source ports, but all other root
+ * capabilities are disallowed.
+ *
+ * Returns true if successful, or false if some error occurred.
+ */
+#ifdef HAVE_SYS_CAPABILITY_H
+static _Bool
+nsm_clear_capabilities(void)
+{
+	cap_t caps;
+
+	caps = cap_from_text("cap_net_bind_service=ep");
+	if (caps == NULL) {
+		xlog(L_ERROR, "Failed to allocate capability: %m");
+		return false;
+	}
+
+	if (cap_set_proc(caps) == -1) {
+		xlog(L_ERROR, "Failed to set capability flags: %m");
+		(void)cap_free(caps);
+		return false;
+	}
+
+	(void)cap_free(caps);
+	return true;
+}
+
+#define CAP_BOUND_PROCFILE "/proc/sys/kernel/cap-bound"
+static _Bool
+prune_bounding_set(void)
+{
+#ifdef PR_CAPBSET_DROP
+	int ret;
+	unsigned long i;
+	struct stat st;
+
+	/*
+	 * Prior to kernel 2.6.25, the capabilities bounding set was a global
+	 * value. Check to see if /proc/sys/kernel/cap-bound exists and don't
+	 * bother to clear the bounding set if it does.
+	 */
+	ret = stat(CAP_BOUND_PROCFILE, &st);
+	if (!ret) {
+		xlog(L_WARNING, "%s exists. Not attempting to clear "
+				"capabilities bounding set.",
+				CAP_BOUND_PROCFILE);
+		return true;
+	} else if (errno != ENOENT) {
+		/* Warn, but attempt to clear the bounding set anyway. */
+		xlog(L_WARNING, "Unable to stat %s: %m", CAP_BOUND_PROCFILE);
+	}
+
+	/* prune the bounding set to nothing */
+	for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >=0 ; ++i) {
+		ret = prctl(PR_CAPBSET_DROP, i, 0, 0, 0);
+		if (ret) {
+			xlog(L_ERROR, "Unable to prune capability %lu from "
+				      "bounding set: %m", i);
+			return false;
+		}
+	}
+#endif /* PR_CAPBSET_DROP */
+	return true;
+}
+#else /* !HAVE_SYS_CAPABILITY_H */
+static _Bool
+nsm_clear_capabilities(void)
+{
+	return true;
+}
+
+static _Bool
+prune_bounding_set(void)
+{
+	return true;
+}
+#endif /* HAVE_SYS_CAPABILITY_H */
+
+/**
+ * nsm_drop_privileges - drop root privileges
+ * @pidfd: file descriptor of a pid file
+ *
+ * Returns true if successful, or false if some error occurred.
+ *
+ * Set our effective UID and GID to that of our on-disk database.
+ */
+_Bool
+nsm_drop_privileges(const int pidfd)
+{
+	struct stat st;
+
+	(void)umask(S_IRWXO);
+
+	if (chdir(nsm_base_dirname) == -1) {
+		xlog(L_ERROR, "Failed to change working directory to %s: %m",
+				nsm_base_dirname);
+		return false;
+	}
+
+	if (lstat(NSM_MONITOR_DIR, &st) == -1) {
+		xlog(L_ERROR, "Failed to stat %s/%s: %m", nsm_base_dirname, NSM_MONITOR_DIR);
+		return false;
+	}
+
+	if (!prune_bounding_set())
+		return false;
+
+	if (st.st_uid == 0) {
+		xlog_warn("Running as root.  "
+			"chown %s to choose different user", nsm_base_dirname);
+		return true;
+	}
+
+	/*
+	 * If the pidfile happens to reside on NFS, dropping privileges
+	 * will probably cause us to lose access, even though we are
+	 * holding it open.  Chown it to prevent this.
+	 */
+	if (pidfd >= 0)
+		if (fchown(pidfd, st.st_uid, st.st_gid) == -1)
+			xlog_warn("Failed to change owner of pidfile: %m");
+
+	/*
+	 * Don't clear capabilities when dropping root.
+	 */
+        if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) == -1) {
+                xlog(L_ERROR, "prctl(PR_SET_KEEPCAPS) failed: %m");
+		return false;
+	}
+
+	if (setgroups(0, NULL) == -1) {
+		xlog(L_ERROR, "Failed to drop supplementary groups: %m");
+		return false;
+	}
+
+	/*
+	 * ORDER
+	 *
+	 * setgid(2) first, as setuid(2) may remove privileges needed
+	 * to set the group id.
+	 */
+	if (setgid(st.st_gid) == -1 || setuid(st.st_uid) == -1) {
+		xlog(L_ERROR, "Failed to drop privileges: %m");
+		return false;
+	}
+
+	xlog(D_CALL, "Effective UID, GID: %u, %u", st.st_uid, st.st_gid);
+
+	return nsm_clear_capabilities();
+}
+
+/**
+ * nsm_get_state - retrieve on-disk NSM state number
+ *
+ * Returns an odd NSM state number read from disk, or an initial
+ * state number.  Zero is returned if some error occurs.
+ */
+int
+nsm_get_state(_Bool update)
+{
+	int fd, state = 0;
+	ssize_t result;
+	char *path = NULL;
+
+	path = nsm_make_pathname(NSM_STATE_FILE);
+	if (path == NULL) {
+		xlog(L_ERROR, "Failed to allocate path for " NSM_STATE_FILE);
+		goto out;
+	}
+
+	fd = open(path, O_RDONLY);
+	if (fd == -1) {
+		if (errno != ENOENT) {
+			xlog(L_ERROR, "Failed to open %s: %m", path);
+			goto out;
+		}
+
+		xlog(L_NOTICE, "Initializing NSM state");
+		state = 1;
+		update = true;
+		goto update;
+	}
+
+	result = read(fd, &state, sizeof(state));
+	if (exact_error_check(result, sizeof(state))) {
+		xlog_warn("Failed to read %s: %m", path);
+
+		xlog(L_NOTICE, "Initializing NSM state");
+		state = 1;
+		update = true;
+		goto update;
+	}
+
+	if ((state & 1) == 0)
+		state++;
+
+update:
+	if(fd >= 0)
+		(void)close(fd);
+
+	if (update) {
+		state += 2;
+		if (!nsm_atomic_write(path, &state, sizeof(state)))
+			state = 0;
+	}
+
+out:
+	free(path);
+	return state;
+}
+
+/**
+ * nsm_update_kernel_state - attempt to post new NSM state to kernel
+ * @state: NSM state number
+ *
+ */
+void
+nsm_update_kernel_state(const int state)
+{
+	ssize_t result;
+	char buf[20];
+	int fd, len;
+
+	fd = open(NSM_KERNEL_STATE_FILE, O_WRONLY);
+	if (fd == -1) {
+		xlog(D_GENERAL, "Failed to open " NSM_KERNEL_STATE_FILE ": %m");
+		return;
+	}
+
+	len = snprintf(buf, sizeof(buf), "%d", state);
+	if (error_check(len, sizeof(buf))) {
+		xlog_warn("Failed to form NSM state number string");
+		close(fd);
+		return;
+	}
+
+	result = write(fd, buf, strlen(buf));
+	if (exact_error_check(result, strlen(buf)))
+		xlog_warn("Failed to write NSM state number: %m");
+
+	if (close(fd) == -1)
+		xlog(L_ERROR, "Failed to close NSM state file "
+				NSM_KERNEL_STATE_FILE ": %m");
+}
+
+/**
+ * nsm_retire_monitored_hosts - back up all hosts from "sm/" to "sm.bak/"
+ *
+ * Returns the count of host records that were moved.
+ *
+ * Note that if any error occurs during this process, some monitor
+ * records may be left in the "sm" directory.
+ */
+unsigned int
+nsm_retire_monitored_hosts(void)
+{
+	unsigned int count = 0;
+	struct dirent *de;
+	char *path;
+	DIR *dir;
+
+	path = nsm_make_pathname(NSM_MONITOR_DIR);
+	if (path == NULL) {
+		xlog(L_ERROR, "Failed to allocate path for " NSM_MONITOR_DIR);
+		return count;
+	}
+
+	dir = opendir(path);
+	free(path);
+	if (dir == NULL) {
+		xlog_warn("Failed to open " NSM_MONITOR_DIR ": %m");
+		return count;
+	}
+
+	while ((de = readdir(dir)) != NULL) {
+		char *src, *dst;
+		struct stat stb;
+
+		if (de->d_name[0] == '.')
+			continue;
+
+		src = nsm_make_record_pathname(NSM_MONITOR_DIR, de->d_name);
+		if (src == NULL) {
+			xlog_warn("Bad monitor file name, skipping");
+			continue;
+		}
+
+		/* NB: not all file systems fill in d_type correctly */
+		if (lstat(src, &stb) == -1) {
+			xlog_warn("Bad monitor file %s, skipping: %m",
+					de->d_name);
+			free(src);
+			continue;
+		}
+		if (!S_ISREG(stb.st_mode)) {
+			xlog(D_GENERAL, "Skipping non-regular file %s",
+					de->d_name);
+			free(src);
+			continue;
+		}
+
+		dst = nsm_make_record_pathname(NSM_NOTIFY_DIR, de->d_name);
+		if (dst == NULL) {
+			free(src);
+			xlog_warn("Bad notify file name, skipping");
+			continue;
+		}
+
+		if (rename(src, dst) == -1)
+			xlog_warn("Failed to rename %s -> %s: %m",
+				src, dst);
+		else {
+			xlog(D_GENERAL, "Retired record for mon_name %s",
+					de->d_name);
+			count++;
+		}
+
+		free(dst);
+		free(src);
+	}
+
+	(void)closedir(dir);
+	return count;
+}
+
+/*
+ * nsm_priv_to_hex - convert a NSM private cookie to a hex string.
+ *
+ * @priv: buffer holding the binary NSM private cookie
+ * @buf: output buffer for NULL terminated hex string
+ * @buflen: size of output buffer
+ *
+ * Returns the length of the resulting string or 0 on error
+ */
+size_t
+nsm_priv_to_hex(const char *priv, char *buf, const size_t buflen)
+{
+	int i, len;
+	size_t remaining = buflen;
+
+	for (i = 0; i < SM_PRIV_SIZE; i++) {
+		len = snprintf(buf, remaining, "%02x",
+				(unsigned int)(0xff & priv[i]));
+		if (error_check(len, remaining))
+			return 0;
+		buf += len;
+		remaining -= (size_t)len;
+	}
+
+	return buflen - remaining;
+}
+
+/*
+ * Returns the length in bytes of the created record.
+ */
+__attribute__((__noinline__))
+static size_t
+nsm_create_monitor_record(char *buf, const size_t buflen,
+		const struct sockaddr *sap, const struct mon *m)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+	size_t hexlen, remaining = buflen;
+	int len;
+
+	len = snprintf(buf, remaining, "%08x %08x %08x %08x ",
+			(unsigned int)sin->sin_addr.s_addr,
+			(unsigned int)m->mon_id.my_id.my_prog,
+			(unsigned int)m->mon_id.my_id.my_vers,
+			(unsigned int)m->mon_id.my_id.my_proc);
+	if (error_check(len, remaining))
+		return 0;
+	buf += len;
+	remaining -= (size_t)len;
+
+	hexlen = nsm_priv_to_hex(m->priv, buf, remaining);
+	if (hexlen == 0)
+		return 0;
+	buf += hexlen;
+	remaining -= hexlen;
+
+	len = snprintf(buf, remaining, " %s %s\n",
+			m->mon_id.mon_name, m->mon_id.my_id.my_name);
+	if (error_check(len, remaining))
+		return 0;
+	remaining -= (size_t)len;
+
+	return buflen - remaining;
+}
+
+static _Bool
+nsm_append_monitored_host(const char *path, const char *line)
+{
+	_Bool result = false;
+	char *buf = NULL;
+	struct stat stb;
+	size_t buflen;
+	ssize_t len;
+	int fd;
+
+	if (stat(path, &stb) == -1) {
+		xlog(L_ERROR, "Failed to insert: "
+			"could not stat original file %s: %m", path);
+		goto out;
+	}
+	buflen = (size_t)stb.st_size + strlen(line);
+
+	buf = malloc(buflen + 1);
+	if (buf == NULL) {
+		xlog(L_ERROR, "Failed to insert: no memory");
+		goto out;
+	}
+	memset(buf, 0, buflen + 1);
+
+	fd = open(path, O_RDONLY);
+	if (fd == -1) {
+		xlog(L_ERROR, "Failed to insert: "
+			"could not open original file %s: %m", path);
+		goto out;
+	}
+
+	len = read(fd, buf, (size_t)stb.st_size);
+	if (exact_error_check(len, (size_t)stb.st_size)) {
+		xlog(L_ERROR, "Failed to insert: "
+			"could not read original file %s: %m", path);
+		(void)close(fd);
+		goto out;
+	}
+	(void)close(fd);
+
+	strcat(buf, line);
+
+	if (nsm_atomic_write(path, buf, buflen))
+		result = true;
+
+out:
+	free(buf);
+	return result;
+}
+
+/**
+ * nsm_insert_monitored_host - write callback data for one host to disk
+ * @hostname: C string containing a hostname
+ * @sap: sockaddr containing NLM callback address
+ * @mon: SM_MON arguments to save
+ *
+ * Returns true if successful, otherwise false if some error occurs.
+ */
+_Bool
+nsm_insert_monitored_host(const char *hostname, const struct sockaddr *sap,
+		const struct mon *m)
+{
+	static char buf[LINELEN + 1 + SM_MAXSTRLEN + 2];
+	char *path;
+	_Bool result = false;
+	ssize_t len;
+	size_t size;
+	int fd;
+
+	path = nsm_make_record_pathname(NSM_MONITOR_DIR, hostname);
+	if (path == NULL) {
+		xlog(L_ERROR, "Failed to insert: bad monitor hostname '%s'",
+				hostname);
+		return false;
+	}
+
+	size = nsm_create_monitor_record(buf, sizeof(buf), sap, m);
+	if (size == 0) {
+		xlog(L_ERROR, "Failed to insert: record too long");
+		goto out;
+	}
+
+	/*
+	 * If exclusive create fails, we're adding a new line to an
+	 * existing file.
+	 */
+	fd = open(path, O_WRONLY | O_CREAT | O_EXCL | O_SYNC, S_IRUSR | S_IWUSR);
+	if (fd == -1) {
+		if (errno != EEXIST) {
+			xlog(L_ERROR, "Failed to insert: creating %s: %m", path);
+			goto out;
+		}
+
+		result = nsm_append_monitored_host(path, buf);
+		goto out;
+	}
+	result = true;
+
+	len = write(fd, buf, size);
+	if (exact_error_check(len, size)) {
+		xlog_warn("Failed to insert: writing %s: %m", path);
+		(void)unlink(path);
+		result = false;
+	}
+
+	if (close(fd) == -1) {
+		xlog(L_ERROR, "Failed to insert: closing %s: %m", path);
+		(void)unlink(path);
+		result = false;
+	}
+
+out:
+	free(path);
+	return result;
+}
+
+__attribute__((__noinline__))
+static _Bool
+nsm_parse_line(char *line, struct sockaddr_in *sin, struct mon *m)
+{
+	unsigned int i, tmp;
+	int count;
+	char *c;
+
+	c = strchr(line, '\n');
+	if (c != NULL)
+		*c = '\0';
+
+	count = sscanf(line, "%8x %8x %8x %8x ",
+			(unsigned int *)&sin->sin_addr.s_addr,
+			(unsigned int *)&m->mon_id.my_id.my_prog,
+			(unsigned int *)&m->mon_id.my_id.my_vers,
+			(unsigned int *)&m->mon_id.my_id.my_proc);
+	if (count != 4)
+		return false;
+
+	c = line + RPCARGSLEN;
+	for (i = 0; i < SM_PRIV_SIZE; i++) {
+		if (sscanf(c, "%2x", &tmp) != 1)
+			return false;
+		m->priv[i] = (char)tmp;
+		c += 2;
+	}
+
+	c++;
+	m->mon_id.mon_name = c;
+	while (*c != '\0' && *c != ' ')
+		c++;
+	if (*c != '\0')
+		*c++ = '\0';
+	while (*c == ' ')
+		c++;
+	m->mon_id.my_id.my_name = c;
+
+	return true;
+}
+
+/*
+ * Stuff a 'struct mon' with callback data, and call @func.
+ *
+ * Returns the count of in-core records created.
+ */
+static unsigned int
+nsm_read_line(const char *hostname, const time_t timestamp, char *line,
+		nsm_populate_t func)
+{
+	struct sockaddr_in sin = {
+		.sin_family		= AF_INET,
+	};
+	struct mon m;
+
+	if (!nsm_parse_line(line, &sin, &m))
+		return 0;
+
+	return func(hostname, (struct sockaddr *)(char *)&sin, &m, timestamp);
+}
+
+/*
+ * Given a filename, reads data from a file under "directory"
+ * and invokes @func so caller can populate their in-core
+ * database with this data.
+ */
+static unsigned int
+nsm_load_host(const char *directory, const char *filename, nsm_populate_t func)
+{
+	char buf[LINELEN + 1 + SM_MAXSTRLEN + 2];
+	unsigned int result = 0;
+	struct stat stb;
+	char *path;
+	FILE *f;
+
+	path = nsm_make_record_pathname(directory, filename);
+	if (path == NULL)
+		goto out_err;
+
+	if (lstat(path, &stb) == -1) {
+		xlog(L_ERROR, "Failed to stat %s: %m", path);
+		goto out_freepath;
+	}
+	if (!S_ISREG(stb.st_mode)) {
+		xlog(D_GENERAL, "Skipping non-regular file %s",
+				path);
+		goto out_freepath;
+	}
+
+	f = fopen(path, "r");
+	if (f == NULL) {
+		xlog(L_ERROR, "Failed to open %s: %m", path);
+		goto out_freepath;
+	}
+
+	while (fgets(buf, (int)sizeof(buf), f) != NULL) {
+		buf[sizeof(buf) - 1] = '\0';
+		result += nsm_read_line(filename, stb.st_mtime, buf, func);
+	}
+	if (result == 0)
+		xlog(L_ERROR, "Failed to read monitor data from %s", path);
+
+	(void)fclose(f);
+
+out_freepath:
+	free(path);
+out_err:
+	return result;
+}
+
+static unsigned int
+nsm_load_dir(const char *directory, nsm_populate_t func)
+{
+	unsigned int count = 0;
+	struct dirent *de;
+	char *path;
+	DIR *dir;
+
+	path = nsm_make_pathname(directory);
+	if (path == NULL) {
+		xlog(L_ERROR, "Failed to allocate path for directory %s",
+				directory);
+		return 0;
+	}
+
+	dir = opendir(path);
+	free(path);
+	if (dir == NULL) {
+		xlog(L_ERROR, "Failed to open directory %s: %m",
+				directory);
+		return 0;
+	}
+
+	while ((de = readdir(dir)) != NULL) {
+		if (de->d_name[0] == '.')
+			continue;
+
+		count += nsm_load_host(directory, de->d_name, func);
+	}
+
+	(void)closedir(dir);
+	return count;
+}
+
+/**
+ * nsm_load_monitor_list - load list of hosts to monitor
+ * @func: callback function to create entry for one host
+ *
+ * Returns the count of hosts that were found in the directory.
+ */
+unsigned int
+nsm_load_monitor_list(nsm_populate_t func)
+{
+	return nsm_load_dir(NSM_MONITOR_DIR, func);
+}
+
+/**
+ * nsm_load_notify_list - load list of hosts to notify
+ * @func: callback function to create entry for one host
+ *
+ * Returns the count of hosts that were found in the directory.
+ */
+unsigned int
+nsm_load_notify_list(nsm_populate_t func)
+{
+	return nsm_load_dir(NSM_NOTIFY_DIR, func);
+}
+
+static void
+nsm_delete_host(const char *directory, const char *hostname,
+		const char *mon_name, const char *my_name, const int chatty)
+{
+	char line[LINELEN + 1 + SM_MAXSTRLEN + 2];
+	char *outbuf = NULL;
+	struct stat stb;
+	char *path, *next;
+	size_t remaining;
+	FILE *f;
+
+	path = nsm_make_record_pathname(directory, hostname);
+	if (path == NULL) {
+		xlog(L_ERROR, "Bad filename, not deleting");
+		return;
+	}
+
+	if (stat(path, &stb) == -1) {
+		if (chatty)
+			xlog(L_ERROR, "Failed to delete: "
+				"could not stat original file %s: %m", path);
+		goto out;
+	}
+	remaining = (size_t)stb.st_size + 1;
+
+	outbuf = malloc(remaining);
+	if (outbuf == NULL) {
+		xlog(L_ERROR, "Failed to delete: no memory");
+		goto out;
+	}
+
+	f = fopen(path, "r");
+	if (f == NULL) {
+		xlog(L_ERROR, "Failed to delete: "
+			"could not open original file %s: %m", path);
+		goto out;
+	}
+
+	/*
+	 * Walk the records in the file, and copy the non-matching
+	 * ones to our output buffer.
+	 */
+	next = outbuf;
+	while (fgets(line, (int)sizeof(line), f) != NULL) {
+		struct sockaddr_in sin;
+		struct mon m;
+		size_t len;
+
+		if (!nsm_parse_line(line, &sin, &m)) {
+			xlog(L_ERROR, "Failed to delete: "
+				"could not parse original file %s", path);
+			(void)fclose(f);
+			goto out;
+		}
+
+		if (strcmp(mon_name, m.mon_id.mon_name) == 0 &&
+			 strcmp(my_name, m.mon_id.my_id.my_name) == 0)
+			continue;
+
+		/* nsm_parse_line destroys the contents of line[], so
+		 * reconstruct the copy in our output buffer. */
+		len = nsm_create_monitor_record(next, remaining,
+					(struct sockaddr *)(char *)&sin, &m);
+		if (len == 0) {
+			xlog(L_ERROR, "Failed to delete: "
+				"could not construct output record");
+			(void)fclose(f);
+			goto out;
+		}
+		next += len;
+		remaining -= len;
+	}
+
+	(void)fclose(f);
+
+	/*
+	 * If nothing was copied when we're done, then unlink the file.
+	 * Otherwise, atomically update the contents of the file.
+	 */
+	if (next != outbuf) {
+		if (!nsm_atomic_write(path, outbuf, strlen(outbuf)))
+			xlog(L_ERROR, "Failed to delete: "
+				"could not write new file %s: %m", path);
+	} else {
+		if (unlink(path) == -1)
+			xlog(L_ERROR, "Failed to delete: "
+				"could not unlink file %s: %m", path);
+	}
+
+out:
+	free(outbuf);
+	free(path);
+}
+
+/**
+ * nsm_delete_monitored_host - delete on-disk record for monitored host
+ * @hostname: '\0'-terminated C string containing hostname of record to delete
+ * @mon_name: '\0'-terminated C string containing monname of record to delete
+ * @my_name: '\0'-terminated C string containing myname of record to delete
+ * @chatty: should an error be logged if the monitor file doesn't exist?
+ *
+ */
+void
+nsm_delete_monitored_host(const char *hostname, const char *mon_name,
+		const char *my_name, const int chatty)
+{
+	nsm_delete_host(NSM_MONITOR_DIR, hostname, mon_name, my_name, chatty);
+}
+
+/**
+ * nsm_delete_notified_host - delete on-disk host record after notification
+ * @hostname: '\0'-terminated C string containing hostname of record to delete
+ * @mon_name: '\0'-terminated C string containing monname of record to delete
+ * @my_name: '\0'-terminated C string containing myname of record to delete
+ *
+ */
+void
+nsm_delete_notified_host(const char *hostname, const char *mon_name,
+		const char *my_name)
+{
+	nsm_delete_host(NSM_NOTIFY_DIR, hostname, mon_name, my_name, 1);
+}
diff --git a/support/nsm/rpc.c b/support/nsm/rpc.c
new file mode 100644
index 0000000..08b4746
--- /dev/null
+++ b/support/nsm/rpc.c
@@ -0,0 +1,536 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * NSM for Linux.
+ *
+ * Instead of using ONC or TI RPC library calls, statd constructs
+ * RPC calls directly in socket buffers.  This allows a single
+ * socket to be concurrently shared among several different RPC
+ * programs and versions using a simple RPC request dispatcher.
+ *
+ * This file contains the details of RPC header and call
+ * construction and reply parsing, and a method for creating a
+ * socket for use with these functions.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <stdint.h>
+#include <time.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <netinet/in.h>
+#include <net/if.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <rpc/pmap_rmt.h>
+
+#ifdef HAVE_LIBTIRPC
+#include <netconfig.h>
+#include <rpc/rpcb_prot.h>
+#endif	/* HAVE_LIBTIRPC */
+
+#include "xlog.h"
+#include "nfsrpc.h"
+#include "nsm.h"
+#include "sm_inter.h"
+
+/*
+ * Returns a fresh XID appropriate for RPC over UDP -- never zero.
+ */
+static uint32_t
+nsm_next_xid(void)
+{
+	static uint32_t nsm_xid = 0;
+	struct timeval now;
+
+	if (nsm_xid == 0) {
+		(void)gettimeofday(&now, NULL);
+		nsm_xid = (uint32_t)getpid() ^
+				(uint32_t)now.tv_sec ^ (uint32_t)now.tv_usec;
+	}
+
+	return nsm_xid++;
+}
+
+/*
+ * Select a fresh XID and construct an RPC header in @mesg.
+ * Always use AUTH_NULL credentials and verifiers.
+ *
+ * Returns the new XID.
+ */
+static uint32_t
+nsm_init_rpc_header(const rpcprog_t program, const rpcvers_t version,
+			const rpcproc_t procedure, struct rpc_msg *mesg)
+{
+	struct call_body *cb = &mesg->rm_call;
+	uint32_t xid = nsm_next_xid();
+
+	memset(mesg, 0, sizeof(*mesg));
+
+	mesg->rm_xid = (unsigned long)xid;
+	mesg->rm_direction = CALL;
+
+	cb->cb_rpcvers = RPC_MSG_VERSION;
+	cb->cb_prog = program;
+	cb->cb_vers = version;
+	cb->cb_proc = procedure;
+
+	cb->cb_cred.oa_flavor = AUTH_NULL;
+	cb->cb_cred.oa_base = (caddr_t) NULL;
+	cb->cb_cred.oa_length = 0;
+	cb->cb_verf.oa_flavor = AUTH_NULL;
+	cb->cb_verf.oa_base = (caddr_t) NULL;
+	cb->cb_verf.oa_length = 0;
+
+	return xid;
+}
+
+/*
+ * Initialize the network send buffer and XDR memory for encoding.
+ */
+static void
+nsm_init_xdrmem(char *msgbuf, const unsigned int msgbuflen,
+		XDR *xdrp)
+{
+	memset(msgbuf, 0, (size_t)msgbuflen);
+	memset(xdrp, 0, sizeof(*xdrp));
+	xdrmem_create(xdrp, msgbuf, msgbuflen, XDR_ENCODE);
+}
+
+/*
+ * Send a completed RPC call on a socket.
+ *
+ * Returns true if all the bytes were sent successfully; otherwise
+ * false if any error occurred.
+ */
+static _Bool
+nsm_rpc_sendto(const int sock, const struct sockaddr *sap,
+			const socklen_t salen, XDR *xdrs, void *buf)
+{
+	const size_t buflen = (size_t)xdr_getpos(xdrs);
+	ssize_t err;
+
+	err = sendto(sock, buf, buflen, 0, sap, salen);
+	if ((err < 0) || ((size_t)err != buflen)) {
+		xlog(L_ERROR, "%s: sendto failed: %m", __func__);
+		return false;
+	}
+	return true;
+}
+
+/**
+ * nsm_xmit_getport - post a PMAP_GETPORT call on a socket descriptor
+ * @sock: datagram socket descriptor
+ * @sin: pointer to AF_INET socket address of server
+ * @program: RPC program number to query
+ * @version: RPC version number to query
+ *
+ * Send a PMAP_GETPORT call to the portmap daemon at @sin using
+ * socket descriptor @sock.  This request queries the RPC program
+ * [program, version, IPPROTO_UDP].
+ *
+ * NB: PMAP_GETPORT works only for IPv4 hosts.  This implementation
+ *     works only over UDP, and queries only UDP registrations.
+ *
+ * Returns the XID of the call, or zero if an error occurred.
+ */
+uint32_t
+nsm_xmit_getport(const int sock, const struct sockaddr_in *sin,
+			const unsigned long program,
+			const unsigned long version)
+{
+	char msgbuf[NSM_MAXMSGSIZE];
+	struct sockaddr_in addr;
+	struct rpc_msg mesg;
+	_Bool sent = false;
+	struct pmap parms = {
+		.pm_prog	= program,
+		.pm_vers	= version,
+		.pm_prot	= (unsigned long)IPPROTO_UDP,
+	};
+	uint32_t xid;
+	XDR xdr;
+
+	xlog(D_CALL, "Sending PMAP_GETPORT for %lu, %lu, udp", program, version);
+
+	nsm_init_xdrmem(msgbuf, NSM_MAXMSGSIZE, &xdr);
+	xid = nsm_init_rpc_header(PMAPPROG, PMAPVERS,
+					(rpcproc_t)PMAPPROC_GETPORT, &mesg);
+
+	addr = *sin;
+	addr.sin_port = htons(PMAPPORT);
+
+	if (xdr_callmsg(&xdr, &mesg) == TRUE &&
+	    xdr_pmap(&xdr, &parms) == TRUE)
+		sent = nsm_rpc_sendto(sock, (struct sockaddr *)(char *)&addr,
+					(socklen_t)sizeof(addr), &xdr, msgbuf);
+	else
+		xlog(L_ERROR, "%s: can't encode PMAP_GETPORT call", __func__);
+
+	xdr_destroy(&xdr);
+
+	if (sent == false)
+		return 0;
+	return xid;
+}
+
+/**
+ * nsm_xmit_getaddr - post an RPCB_GETADDR call on a socket descriptor
+ * @sock: datagram socket descriptor
+ * @sin: pointer to AF_INET6 socket address of server
+ * @program: RPC program number to query
+ * @version: RPC version number to query
+ *
+ * Send an RPCB_GETADDR call to the rpcbind daemon at @sap using
+ * socket descriptor @sock.  This request queries the RPC program
+ * [program, version, "udp6"].
+ *
+ * NB: RPCB_GETADDR works for both IPv4 and IPv6 hosts.  This
+ *     implementation works only over UDP and AF_INET6, and queries
+ *     only "udp6" registrations.
+ *
+ * Returns the XID of the call, or zero if an error occurred.
+ */
+#ifdef HAVE_LIBTIRPC
+uint32_t
+nsm_xmit_getaddr(const int sock, const struct sockaddr_in6 *sin6,
+			const rpcprog_t program, const rpcvers_t version)
+{
+	char msgbuf[NSM_MAXMSGSIZE];
+	struct sockaddr_in6 addr;
+	struct rpc_msg mesg;
+	_Bool sent = false;
+	struct rpcb parms = {
+		.r_prog		= program,
+		.r_vers		= version,
+		.r_netid	= "udp6",
+		.r_owner	= "",
+	};
+	uint32_t xid;
+	XDR xdr;
+
+	xlog(D_CALL, "Sending RPCB_GETADDR for %u, %u, udp6", program, version);
+
+	nsm_init_xdrmem(msgbuf, NSM_MAXMSGSIZE, &xdr);
+	xid = nsm_init_rpc_header(RPCBPROG, RPCBVERS,
+					(rpcproc_t)RPCBPROC_GETADDR, &mesg);
+
+	addr = *sin6;
+	addr.sin6_port = htons(PMAPPORT);
+	parms.r_addr = nfs_sockaddr2universal((struct sockaddr *)(char *)&addr);
+	if (parms.r_addr == NULL) {
+		xlog(L_ERROR, "%s: can't encode socket address", __func__);
+		return 0;
+	}
+
+	if (xdr_callmsg(&xdr, &mesg) == TRUE &&
+	    xdr_rpcb(&xdr, &parms) == TRUE)
+		sent = nsm_rpc_sendto(sock, (struct sockaddr *)(char *)&addr,
+					(socklen_t)sizeof(addr), &xdr, msgbuf);
+	else
+		xlog(L_ERROR, "%s: can't encode RPCB_GETADDR call", __func__);
+
+	xdr_destroy(&xdr);
+	free(parms.r_addr);
+
+	if (sent == false)
+		return 0;
+	return xid;
+}
+#else	/* !HAVE_LIBTIRPC */
+uint32_t
+nsm_xmit_getaddr(const int sock __attribute__((unused)),
+			const struct sockaddr_in6 *sin6 __attribute__((unused)),
+			const rpcprog_t program __attribute__((unused)),
+			const rpcvers_t version __attribute__((unused)))
+{
+	return 0;
+}
+#endif	/* !HAVE_LIBTIRPC */
+
+/**
+ * nsm_xmit_rpcbind - post an rpcbind request
+ * @sock: datagram socket descriptor
+ * @sap: pointer to socket address of server
+ * @program: RPC program number to query
+ * @version: RPC version number to query
+ *
+ * Send an rpcbind query to the rpcbind daemon at @sap using
+ * socket descriptor @sock.
+ *
+ * NB: This implementation works only over UDP, but can query IPv4 or IPv6
+ *     hosts.  It queries only UDP registrations.
+ *
+ * Returns the XID of the call, or zero if an error occurred.
+ */
+uint32_t
+nsm_xmit_rpcbind(const int sock, const struct sockaddr *sap,
+			const rpcprog_t program, const rpcvers_t version)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		return nsm_xmit_getport(sock, (const struct sockaddr_in *)sap,
+						program, version);
+	case AF_INET6:
+		return nsm_xmit_getaddr(sock, (const struct sockaddr_in6 *)sap,
+						program, version);
+	}
+	return 0;
+}
+
+/**
+ * nsm_xmit_notify - post an NSMPROC_NOTIFY call on a socket descriptor
+ * @sock: datagram socket descriptor
+ * @sap: pointer to socket address of peer to notify (port already filled in)
+ * @salen: length of socket address
+ * @program: RPC program number to use
+ * @mon_name: mon_name of local peer (ie the rebooting system)
+ * @state: state of local peer
+ *
+ * Send an NSMPROC_NOTIFY call to the peer at @sap using socket descriptor @sock.
+ * This request notifies the peer that we have rebooted.
+ *
+ * NB: This implementation works only over UDP, but supports both AF_INET
+ *     and AF_INET6.
+ *
+ * Returns the XID of the call, or zero if an error occurred.
+ */
+uint32_t
+nsm_xmit_notify(const int sock, const struct sockaddr *sap,
+			const socklen_t salen, const rpcprog_t program,
+			const char *mon_name, const int state)
+{
+	char msgbuf[NSM_MAXMSGSIZE];
+	struct stat_chge state_change;
+	struct rpc_msg mesg;
+	_Bool sent = false;
+	uint32_t xid;
+	XDR xdr;
+
+	state_change.mon_name = strdup(mon_name);
+	if (state_change.mon_name == NULL) {
+		xlog(L_ERROR, "%s: no memory", __func__);
+		return 0;
+	}
+	state_change.state = state;
+
+	xlog(D_CALL, "Sending SM_NOTIFY for %s", mon_name);
+
+	nsm_init_xdrmem(msgbuf, NSM_MAXMSGSIZE, &xdr);
+	xid = nsm_init_rpc_header(program, SM_VERS, SM_NOTIFY, &mesg);
+
+	if (xdr_callmsg(&xdr, &mesg) == TRUE &&
+	    xdr_stat_chge(&xdr, &state_change) == TRUE)
+		sent = nsm_rpc_sendto(sock, sap, salen, &xdr, msgbuf);
+	else
+		xlog(L_ERROR, "%s: can't encode NSMPROC_NOTIFY call",
+				__func__);
+
+	xdr_destroy(&xdr);
+	free(state_change.mon_name);
+
+	if (sent == false)
+		return 0;
+	return xid;
+}
+
+/**
+ * nsm_xmit_nlmcall - post an unnamed call to local NLM on a socket descriptor
+ * @sock: datagram socket descriptor
+ * @sap: address/port of NLM service to contact
+ * @salen: size of @sap
+ * @m: callback data defining RPC call to make
+ * @state: state of rebooting host
+ *
+ * Send an unnamed call (previously requested via NSMPROC_MON) to the
+ * specified local UDP-based RPC service using socket descriptor @sock.
+ *
+ * NB: This implementation works only over UDP, but supports both AF_INET
+ *     and AF_INET6.
+ *
+ * Returns the XID of the call, or zero if an error occurred.
+ */
+uint32_t
+nsm_xmit_nlmcall(const int sock, const struct sockaddr *sap,
+			const socklen_t salen, const struct mon *m,
+			const int state)
+{
+	const struct my_id *id = &m->mon_id.my_id;
+	char msgbuf[NSM_MAXMSGSIZE];
+	struct status new_status;
+	struct rpc_msg mesg;
+	_Bool sent = false;
+	uint32_t xid;
+	XDR xdr;
+
+	xlog(D_CALL, "Sending NLM downcall for %s", m->mon_id.mon_name);
+
+	nsm_init_xdrmem(msgbuf, NSM_MAXMSGSIZE, &xdr);
+	xid = nsm_init_rpc_header((rpcprog_t)id->my_prog,
+					(rpcvers_t)id->my_vers,
+					(rpcproc_t)id->my_proc, &mesg);
+
+	new_status.mon_name = m->mon_id.mon_name;
+	new_status.state = state;
+	memcpy(&new_status.priv, &m->priv, sizeof(new_status.priv));
+
+	if (xdr_callmsg(&xdr, &mesg) == TRUE &&
+	    xdr_status(&xdr, &new_status) == TRUE)
+		sent = nsm_rpc_sendto(sock, sap, salen, &xdr, msgbuf);
+	else
+		xlog(L_ERROR, "%s: can't encode NLM downcall", __func__);
+
+	xdr_destroy(&xdr);
+
+	if (sent == false)
+		return 0;
+	return xid;
+}
+
+/**
+ * nsm_parse_reply - parse and validate the header in an RPC reply
+ * @xdrs: pointer to XDR
+ *
+ * Returns the XID of the reply, or zero if an error occurred.
+ */
+uint32_t
+nsm_parse_reply(XDR *xdrs)
+{
+	struct rpc_msg mesg = {
+		.rm_reply.rp_acpt.ar_results.proc	= (xdrproc_t)xdr_void,
+	};
+	uint32_t xid;
+
+	if (xdr_replymsg(xdrs, &mesg) == FALSE) {
+		xlog(L_ERROR, "%s: can't decode RPC reply", __func__);
+		return 0;
+	}
+	xid = (uint32_t)mesg.rm_xid;
+
+	if (mesg.rm_reply.rp_stat != MSG_ACCEPTED) {
+		xlog(L_ERROR, "%s: [0x%x] RPC status %d",
+			__func__, xid, mesg.rm_reply.rp_stat);
+		return 0;
+	}
+
+	if (mesg.rm_reply.rp_acpt.ar_stat != SUCCESS) {
+		xlog(L_ERROR, "%s: [0x%x] RPC accept status %d",
+			__func__, xid, mesg.rm_reply.rp_acpt.ar_stat);
+		return 0;
+	}
+
+	return xid;
+}
+
+/**
+ * nsm_recv_getport - parse PMAP_GETPORT reply
+ * @xdrs: pointer to XDR
+ *
+ * Returns the port number from the RPC reply, or zero
+ * if an error occurred.
+ */
+unsigned long
+nsm_recv_getport(XDR *xdrs)
+{
+	unsigned long port = 0;
+
+	if (xdr_u_long(xdrs, &port) == FALSE)
+		xlog(L_ERROR, "%s: can't decode pmap reply",
+			__func__);
+	if (port > UINT16_MAX) {
+		xlog(L_ERROR, "%s: bad port number",
+			__func__);
+		port = 0;
+	}
+
+	xlog(D_CALL, "Received PMAP_GETPORT result: %lu", port);
+	return port;
+}
+
+/**
+ * nsm_recv_getaddr - parse RPCB_GETADDR reply
+ * @xdrs: pointer to XDR
+ *
+ * Returns the port number from the RPC reply, or zero
+ * if an error occurred.
+ */
+uint16_t
+nsm_recv_getaddr(XDR *xdrs)
+{
+	char *uaddr = NULL;
+	int port;
+
+	if (xdr_wrapstring(xdrs, &uaddr) == FALSE)
+		xlog(L_ERROR, "%s: can't decode rpcb reply",
+			__func__);
+
+	if ((uaddr == NULL) || (uaddr[0] == '\0')) {
+		xlog(D_CALL, "Received RPCB_GETADDR result: "
+				"program not registered");
+		return 0;
+	}
+
+	port = nfs_universal2port(uaddr);
+
+	xdr_free((xdrproc_t)xdr_wrapstring, (char *)&uaddr);
+
+	if (port < 0 || port > UINT16_MAX) {
+		xlog(L_ERROR, "%s: bad port number",
+			__func__);
+		return 0;
+	}
+
+	xlog(D_CALL, "Received RPCB_GETADDR result: %d", port);
+	return (uint16_t)port;
+}
+
+/**
+ * nsm_recv_rpcbind - parse rpcbind reply
+ * @af: address family of reply
+ * @xdrs: pointer to XDR
+ *
+ * Returns the port number from the RPC reply, or zero
+ * if an error occurred.
+ */
+uint16_t
+nsm_recv_rpcbind(const sa_family_t family, XDR *xdrs)
+{
+	switch (family) {
+	case AF_INET:
+		return (uint16_t)nsm_recv_getport(xdrs);
+	case AF_INET6:
+		return nsm_recv_getaddr(xdrs);
+	}
+	return 0;
+}
diff --git a/support/nsm/sm_inter.x b/support/nsm/sm_inter.x
new file mode 100644
index 0000000..d8e0ad7
--- /dev/null
+++ b/support/nsm/sm_inter.x
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 1986 Sun Microsystems, Inc.
+ * Modified by Jeffrey A. Uphoff, 1995, 1997-1999.
+ * Modified by Olaf Kirch, 1996.
+ * Modified by H.J. Lu, 1998.
+ *
+ * NSM for Linux.
+ */
+
+/*
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of Sun Microsystems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Status monitor protocol specification
+ */
+
+#ifdef RPC_CLNT
+%#include <string.h>
+#endif
+
+program SM_PROG { 
+	version SM_VERS  {
+		/* res_stat = stat_succ if status monitor agrees to monitor */
+		/* res_stat = stat_fail if status monitor cannot monitor */
+		/* if res_stat == stat_succ, state = state number of site sm_name */
+		struct sm_stat_res			 SM_STAT(struct sm_name) = 1;
+
+		/* res_stat = stat_succ if status monitor agrees to monitor */
+		/* res_stat = stat_fail if status monitor cannot monitor */
+		/* stat consists of state number of local site */
+		struct sm_stat_res			 SM_MON(struct mon) = 2;
+
+		/* stat consists of state number of local site */
+		struct sm_stat				 SM_UNMON(struct mon_id) = 3;
+
+		/* stat consists of state number of local site */
+		struct sm_stat				 SM_UNMON_ALL(struct my_id) = 4;
+
+		void					 SM_SIMU_CRASH(void) = 5;
+
+		void					 SM_NOTIFY(struct stat_chge) = 6;
+
+	} = 1;
+} = 100024;
+
+const	SM_MAXSTRLEN = 1024;
+const	SM_PRIV_SIZE = 16;
+
+struct sm_name {
+	string mon_name<SM_MAXSTRLEN>;
+};
+
+struct my_id {
+	string	 my_name<SM_MAXSTRLEN>;		/* name of the site iniates the monitoring request*/
+	int	my_prog;			/* rpc program # of the requesting process */
+	int	my_vers;			/* rpc version # of the requesting process */
+	int	my_proc;			/* rpc procedure # of the requesting process */
+};
+
+struct mon_id {
+	string	mon_name<SM_MAXSTRLEN>;		/* name of the site to be monitored */
+	struct my_id my_id;
+};
+
+
+struct mon {
+	struct mon_id mon_id;
+	opaque priv[SM_PRIV_SIZE]; 		/* private information to store at monitor for requesting process */
+};
+
+struct stat_chge {
+	string	mon_name<SM_MAXSTRLEN>;		/* name of the site that had the state change */
+	int     state;
+};
+
+/*
+ * state # of status monitor monitonically increases each time
+ * status of the site changes:
+ * an even number (>= 0) indicates the site is down and
+ * an odd number (> 0) indicates the site is up;
+ */
+struct sm_stat {
+	int state;		/* state # of status monitor */
+};
+
+enum res {
+	stat_succ = 0,		/* status monitor agrees to monitor */
+	stat_fail = 1		/* status monitor cannot monitor */
+};
+
+struct sm_stat_res {
+	res res_stat;
+	int state;
+};
+
+/* 
+ * structure of the status message sent back by the status monitor
+ * when monitor site status changes
+ */
+struct status {
+	string mon_name<SM_MAXSTRLEN>;
+	int state;
+	opaque priv[SM_PRIV_SIZE]; /* stored private information */
+};
+
+%#define SM_INTER_X
diff --git a/support/reexport/Makefile.am b/support/reexport/Makefile.am
new file mode 100644
index 0000000..fbd66a2
--- /dev/null
+++ b/support/reexport/Makefile.am
@@ -0,0 +1,18 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_LIBRARIES = libreexport.a
+libreexport_a_SOURCES = reexport.c
+
+sbin_PROGRAMS	= fsidd
+
+fsidd_SOURCES = fsidd.c backend_sqlite.c
+
+fsidd_LDADD = ../../support/misc/libmisc.a \
+	      ../../support/nfs/libnfs.la \
+	       $(LIBPTHREAD) $(LIBEVENT) $(LIBSQLITE) \
+	       $(OPTLIBS)
+
+fsidd_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) \
+		  -I$(top_builddir)/support/include
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/support/reexport/Makefile.in b/support/reexport/Makefile.in
new file mode 100644
index 0000000..51d2424
--- /dev/null
+++ b/support/reexport/Makefile.in
@@ -0,0 +1,799 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+# PARTICULAR PURPOSE.
+
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+
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+	       $(OPTLIBS)
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+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(LIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLIBRARIES \
+	clean-sbinPROGRAMS mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/fsidd-backend_sqlite.Po
+	-rm -f ./$(DEPDIR)/fsidd-fsidd.Po
+	-rm -f ./$(DEPDIR)/reexport.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/fsidd-backend_sqlite.Po
+	-rm -f ./$(DEPDIR)/fsidd-fsidd.Po
+	-rm -f ./$(DEPDIR)/reexport.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-sbinPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLIBRARIES \
+	clean-sbinPROGRAMS cscopelist-am ctags ctags-am distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/reexport/backend_sqlite.c b/support/reexport/backend_sqlite.c
new file mode 100644
index 0000000..0eb5ea3
--- /dev/null
+++ b/support/reexport/backend_sqlite.c
@@ -0,0 +1,283 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sqlite3.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef HAVE_GETRANDOM
+# include <sys/random.h>
+# if !defined(SYS_getrandom) && defined(__NR_getrandom)
+   /* usable kernel-headers, but old glibc-headers */
+#  define SYS_getrandom __NR_getrandom
+# endif
+#endif
+
+#include "conffile.h"
+#include "reexport_backend.h"
+#include "xlog.h"
+
+#define REEXPDB_DBFILE NFS_STATEDIR "/reexpdb.sqlite3"
+#define REEXPDB_DBFILE_WAIT_USEC (5000)
+
+static sqlite3 *db;
+static int init_done;
+
+#if !defined(HAVE_GETRANDOM) && defined(SYS_getrandom)
+/* libc without function, but we have syscall */
+static int getrandom(void *buf, size_t buflen, unsigned int flags)
+{
+	return (syscall(SYS_getrandom, buf, buflen, flags));
+}
+# define HAVE_GETRANDOM
+#endif
+
+static int prng_init(void)
+{
+	int seed;
+
+	if (getrandom(&seed, sizeof(seed), 0) != sizeof(seed)) {
+		xlog(L_ERROR, "Unable to obtain seed for PRNG via getrandom()");
+		return -1;
+	}
+
+	srand(seed);
+	return 0;
+}
+
+static void wait_for_dbaccess(void)
+{
+	usleep(REEXPDB_DBFILE_WAIT_USEC + (rand() % REEXPDB_DBFILE_WAIT_USEC));
+}
+
+static bool sqlite_plug_init(void)
+{
+	char *sqlerr;
+	int ret;
+
+	if (init_done)
+		return true;
+
+	if (prng_init() != 0)
+		return false;
+
+	ret = sqlite3_open_v2(conf_get_str_with_def("reexport", "sqlitedb", REEXPDB_DBFILE),
+			      &db, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_FULLMUTEX,
+			      NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to open reexport database: %s", sqlite3_errstr(ret));
+		return false;
+	}
+
+again:
+	ret = sqlite3_exec(db, "CREATE TABLE IF NOT EXISTS fsidnums (num INTEGER PRIMARY KEY CHECK (num > 0 AND num < 4294967296), path TEXT UNIQUE); CREATE INDEX IF NOT EXISTS idx_ids_path ON fsidnums (path);", NULL, NULL, &sqlerr);
+	switch (ret) {
+	case SQLITE_OK:
+		init_done = 1;
+		ret = 0;
+		break;
+	case SQLITE_BUSY:
+	case SQLITE_LOCKED:
+		wait_for_dbaccess();
+		goto again;
+	default:
+		xlog(L_ERROR, "Unable to init reexport database: %s", sqlite3_errstr(ret));
+		sqlite3_free(sqlerr);
+		sqlite3_close_v2(db);
+		ret = -1;
+	}
+
+	return ret == 0 ? true : false;
+}
+
+static void sqlite_plug_destroy(void)
+{
+	if (!init_done)
+		return;
+
+	sqlite3_close_v2(db);
+}
+
+static bool get_fsidnum_by_path(char *path, uint32_t *fsidnum, bool *found)
+{
+	static const char fsidnum_by_path_sql[] = "SELECT num FROM fsidnums WHERE path = ?1;";
+	sqlite3_stmt *stmt = NULL;
+	bool success = false;
+	int ret;
+
+	*found = false;
+
+	ret = sqlite3_prepare_v2(db, fsidnum_by_path_sql, sizeof(fsidnum_by_path_sql), &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_WARNING, "Unable to prepare SQL query '%s': %s", fsidnum_by_path_sql, sqlite3_errstr(ret));
+		goto out;
+	}
+
+	ret = sqlite3_bind_text(stmt, 1, path, -1, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_WARNING, "Unable to bind SQL query '%s': %s", fsidnum_by_path_sql, sqlite3_errstr(ret));
+		goto out;
+	}
+
+again:
+	ret = sqlite3_step(stmt);
+	switch (ret) {
+	case SQLITE_ROW:
+		*fsidnum = sqlite3_column_int(stmt, 0);
+		success = true;
+		*found = true;
+		break;
+	case SQLITE_DONE:
+		/* No hit */
+		success = true;
+		*found = false;
+		break;
+	case SQLITE_BUSY:
+	case SQLITE_LOCKED:
+		wait_for_dbaccess();
+		goto again;
+	default:
+		xlog(L_WARNING, "Error while looking up '%s' in database: %s", path, sqlite3_errstr(ret));
+	}
+
+out:
+	sqlite3_finalize(stmt);
+	return success;
+}
+
+static bool sqlite_plug_path_by_fsidnum(uint32_t fsidnum, char **path, bool *found)
+{
+	static const char path_by_fsidnum_sql[] = "SELECT path FROM fsidnums WHERE num = ?1;";
+	sqlite3_stmt *stmt = NULL;
+	bool success = false;
+	int ret;
+
+	*found = false;
+
+	ret = sqlite3_prepare_v2(db, path_by_fsidnum_sql, sizeof(path_by_fsidnum_sql), &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_WARNING, "Unable to prepare SQL query '%s': %s", path_by_fsidnum_sql, sqlite3_errstr(ret));
+		goto out;
+	}
+
+	ret = sqlite3_bind_int(stmt, 1, fsidnum);
+	if (ret != SQLITE_OK) {
+		xlog(L_WARNING, "Unable to bind SQL query '%s': %s", path_by_fsidnum_sql, sqlite3_errstr(ret));
+		goto out;
+	}
+
+again:
+	ret = sqlite3_step(stmt);
+	switch (ret) {
+	case SQLITE_ROW:
+		*path = strdup((char *)sqlite3_column_text(stmt, 0));
+		if (*path) {
+			*found = true;
+			success = true;
+		} else {
+			xlog(L_WARNING, "Out of memory");
+		}
+		break;
+	case SQLITE_DONE:
+		/* No hit */
+		*found = false;
+		success = true;
+		break;
+	case SQLITE_BUSY:
+	case SQLITE_LOCKED:
+		wait_for_dbaccess();
+		goto again;
+	default:
+		xlog(L_WARNING, "Error while looking up '%i' in database: %s", fsidnum, sqlite3_errstr(ret));
+	}
+
+out:
+	sqlite3_finalize(stmt);
+	return success;
+}
+
+static bool new_fsidnum_by_path(char *path, uint32_t *fsidnum)
+{
+	/*
+	 * This query is a little tricky. We use SQL to find and claim the smallest free fsid number.
+	 * To find a free fsid the fsidnums is left joined to itself but with an offset of 1.
+	 * Everything after the UNION statement is to handle the corner case where fsidnums
+	 * is empty. In this case we want 1 as first fsid number.
+	 */
+	static const char new_fsidnum_by_path_sql[] = "INSERT INTO fsidnums VALUES ((SELECT ids1.num + 1 FROM fsidnums AS ids1 LEFT JOIN fsidnums AS ids2 ON ids2.num = ids1.num + 1 WHERE ids2.num IS NULL UNION SELECT 1 WHERE NOT EXISTS (SELECT NULL FROM fsidnums WHERE num = 1) LIMIT 1), ?1) RETURNING num;";
+
+	sqlite3_stmt *stmt = NULL;
+	int ret, check = 0;
+	bool success = false;
+
+	ret = sqlite3_prepare_v2(db, new_fsidnum_by_path_sql, sizeof(new_fsidnum_by_path_sql), &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_WARNING, "Unable to prepare SQL query '%s': %s", new_fsidnum_by_path_sql, sqlite3_errstr(ret));
+		goto out;
+	}
+
+	ret = sqlite3_bind_text(stmt, 1, path, -1, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_WARNING, "Unable to bind SQL query '%s': %s", new_fsidnum_by_path_sql, sqlite3_errstr(ret));
+		goto out;
+	}
+
+again:
+	ret = sqlite3_step(stmt);
+	switch (ret) {
+	case SQLITE_ROW:
+		*fsidnum = sqlite3_column_int(stmt, 0);
+		success = true;
+		break;
+	case SQLITE_CONSTRAINT:
+		/* Maybe we lost the race against another writer and the path is now present. */
+		check = 1;
+		break;
+	case SQLITE_BUSY:
+	case SQLITE_LOCKED:
+		wait_for_dbaccess();
+		goto again;
+	default:
+		xlog(L_WARNING, "Error while looking up '%s' in database: %s", path, sqlite3_errstr(ret));
+	}
+
+out:
+	sqlite3_finalize(stmt);
+
+	if (check) {
+		bool found = false;
+
+		get_fsidnum_by_path(path, fsidnum, &found);
+		if (!found)
+			xlog(L_WARNING, "SQLITE_CONSTRAINT error while inserting '%s' in database", path);
+	}
+
+	return success;
+}
+
+static bool sqlite_plug_fsidnum_by_path(char *path, uint32_t *fsidnum, int may_create, bool *found)
+{
+	bool success;
+
+	success = get_fsidnum_by_path(path, fsidnum, found);
+	if (success) {
+		if (!*found && may_create) {
+			success = new_fsidnum_by_path(path, fsidnum);
+			if (success)
+				*found = true;
+		}
+	}
+
+	return success;
+}
+
+struct reexpdb_backend_plugin sqlite_plug_ops = {
+	.fsidnum_by_path = sqlite_plug_fsidnum_by_path,
+	.path_by_fsidnum = sqlite_plug_path_by_fsidnum,
+	.initdb = sqlite_plug_init,
+	.destroydb = sqlite_plug_destroy,
+};
diff --git a/support/reexport/fsidd.c b/support/reexport/fsidd.c
new file mode 100644
index 0000000..3e62b3f
--- /dev/null
+++ b/support/reexport/fsidd.c
@@ -0,0 +1,196 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+#include <event2/event.h>
+
+#include "conffile.h"
+#include "reexport_backend.h"
+#include "reexport.h"
+#include "xcommon.h"
+#include "xlog.h"
+
+static struct event_base *evbase;
+static struct reexpdb_backend_plugin *dbbackend = &sqlite_plug_ops;
+
+/* assert_safe() always evalutes it argument, as it might have
+ * a side-effect.  assert() won't if compiled with NDEBUG
+ */
+#define assert_safe(__sideeffect) (__sideeffect ? 0 : ({assert(0) ; 0;}))
+
+static void client_cb(evutil_socket_t cl, short ev, void *d)
+{
+	struct event *me = d;
+	char buf[PATH_MAX * 2];
+	int n;
+
+	(void)ev;
+
+	n = recv(cl, buf, sizeof(buf) - 1, 0);
+	if (n <= 0) {
+		event_del(me);
+		event_free(me);
+		close(cl);
+		return;
+	}
+
+	buf[n] = '\0';
+
+	if (strncmp(buf, "get_fsidnum ", strlen("get_fsidnum ")) == 0) {
+		char *req_path = buf + strlen("get_fsidnum ");
+		uint32_t fsidnum;
+		char *answer = NULL;
+		bool found;
+
+		assert(req_path < buf + n );
+
+		printf("client asks for %s\n", req_path);
+
+		if (dbbackend->fsidnum_by_path(req_path, &fsidnum, false, &found)) {
+			if (found)
+				assert_safe(asprintf(&answer, "+ %u", fsidnum) != -1);
+			else
+				assert_safe(asprintf(&answer, "+ ") != -1);
+		} else {
+			assert_safe(asprintf(&answer, "- %s", "Command failed") != -1);
+		}
+
+		(void)send(cl, answer, strlen(answer), 0);
+
+		free(answer);
+	} else if (strncmp(buf, "get_or_create_fsidnum ", strlen("get_or_create_fsidnum ")) == 0) {
+		char *req_path = buf + strlen("get_or_create_fsidnum ");
+		uint32_t fsidnum;
+		char *answer = NULL;
+		bool found;
+
+		assert(req_path < buf + n );
+
+
+		if (dbbackend->fsidnum_by_path(req_path, &fsidnum, true, &found)) {
+			if (found) {
+				assert_safe(asprintf(&answer, "+ %u", fsidnum) != -1);
+			} else {
+				assert_safe(asprintf(&answer, "+ ") != -1);
+			}
+		
+		} else {
+			assert_safe(asprintf(&answer, "- %s", "Command failed") != -1);
+		}
+
+		(void)send(cl, answer, strlen(answer), 0);
+
+		free(answer);
+	} else if (strncmp(buf, "get_path ", strlen("get_path ")) == 0) {
+		char *req_fsidnum = buf + strlen("get_path ");
+		char *path = NULL, *answer = NULL, *endp;
+		bool bad_input = true;
+		uint32_t fsidnum;
+		bool found;
+
+		assert(req_fsidnum < buf + n );
+
+		errno = 0;
+		fsidnum = strtoul(req_fsidnum, &endp, 10);
+		if (errno == 0 && *endp == '\0') {
+			bad_input = false;
+		}
+
+		if (bad_input) {
+			assert_safe(asprintf(&answer, "- %s", "Command failed: Bad input") != -1);
+		} else {
+			if (dbbackend->path_by_fsidnum(fsidnum, &path, &found)) {
+				if (found)
+					assert_safe(asprintf(&answer, "+ %s", path) != -1);
+				else
+					assert_safe(asprintf(&answer, "+ ") != -1);
+			} else {
+				assert_safe(asprintf(&answer, "+ ") != -1);
+			}
+		}
+
+		(void)send(cl, answer, strlen(answer), 0);
+
+		free(path);
+		free(answer);
+	} else if (strcmp(buf, "version") == 0) {
+		char answer[] = "+ 1";
+
+		(void)send(cl, answer, strlen(answer), 0);
+	} else {
+		char *answer = NULL;
+
+		assert_safe(asprintf(&answer, "- bad command") != -1);
+		(void)send(cl, answer, strlen(answer), 0);
+
+		free(answer);
+	}
+}
+
+static void srv_cb(evutil_socket_t fd, short ev, void *d)
+{
+	int cl = accept4(fd, NULL, NULL, SOCK_NONBLOCK);
+	struct event *client_ev;
+	
+	(void)ev;
+	(void)d;
+
+	client_ev = event_new(evbase, cl, EV_READ | EV_PERSIST | EV_CLOSED, client_cb, event_self_cbarg());
+	event_add(client_ev, NULL);
+}
+
+int main(void)
+{
+	struct event *srv_ev;
+	struct sockaddr_un addr;
+	char *sock_file;
+	int srv;
+
+	conf_init_file(NFS_CONFFILE);
+
+	if (!dbbackend->initdb()) {
+		return 1;
+	}
+
+	sock_file = conf_get_str_with_def("reexport", "fsidd_socket", FSID_SOCKET_NAME);
+
+	memset(&addr, 0, sizeof(struct sockaddr_un));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, sock_file, sizeof(addr.sun_path) - 1);
+	if (addr.sun_path[0] == '@')
+		/* "abstract" socket namespace */
+		addr.sun_path[0] = 0;
+	else
+		unlink(sock_file);
+
+	srv = socket(AF_UNIX, SOCK_SEQPACKET | SOCK_NONBLOCK, 0);
+	if (srv == -1) {
+		xlog(L_WARNING, "Unable to create AF_UNIX socket for %s: %m\n", sock_file);
+		return 1;
+	}
+
+	if (bind(srv, (const struct sockaddr *)&addr, sizeof(struct sockaddr_un)) == -1) {
+		xlog(L_WARNING, "Unable to bind %s: %m\n", sock_file);
+		return 1;
+	}
+
+	if (listen(srv, 5) == -1) {
+		xlog(L_WARNING, "Unable to listen on %s: %m\n", sock_file);
+		return 1;
+	}
+
+	evbase = event_base_new();
+
+	srv_ev = event_new(evbase, srv, EV_READ | EV_PERSIST, srv_cb, NULL);
+	event_add(srv_ev, NULL);
+
+	event_base_dispatch(evbase);
+
+	dbbackend->destroydb();
+
+	return 0;
+}
diff --git a/support/reexport/reexport.c b/support/reexport/reexport.c
new file mode 100644
index 0000000..7851658
--- /dev/null
+++ b/support/reexport/reexport.c
@@ -0,0 +1,324 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+#include <sys/types.h>
+#include <sys/vfs.h>
+#include <errno.h>
+
+#include "nfsd_path.h"
+#include "conffile.h"
+#include "nfslib.h"
+#include "reexport.h"
+#include "xcommon.h"
+#include "xlog.h"
+
+static int fsidd_srv = -1;
+
+static bool connect_fsid_service(void)
+{
+	struct sockaddr_un addr;
+	char *sock_file;
+	int ret;
+	int s;
+
+	if (fsidd_srv != -1)
+		return true;
+
+	sock_file = conf_get_str_with_def("reexport", "fsidd_socket", FSID_SOCKET_NAME);
+
+	memset(&addr, 0, sizeof(struct sockaddr_un));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, sock_file, sizeof(addr.sun_path) - 1);
+	if (addr.sun_path[0] == '@')
+		/* "abstract" socket namespace */
+		addr.sun_path[0] = 0;
+
+	s = socket(AF_UNIX, SOCK_SEQPACKET, 0);
+	if (s == -1) {
+		xlog(L_WARNING, "Unable to create AF_UNIX socket for %s: %m\n", sock_file);
+		return false;
+	}
+
+	ret = connect(s, (const struct sockaddr *)&addr, sizeof(struct sockaddr_un));
+	if (ret == -1) {
+		xlog(L_WARNING, "Unable to connect %s: %m, is fsidd running?\n", sock_file);
+		return false;
+	}
+
+	fsidd_srv = s;
+
+	return true;
+}
+
+int reexpdb_init(void)
+{
+	int try_count = 3;
+
+	while (try_count > 0 && !connect_fsid_service()) {
+		sleep(1);
+		try_count--;
+	}
+
+	return try_count > 0;
+}
+
+void reexpdb_destroy(void)
+{
+	close(fsidd_srv);
+	fsidd_srv = -1;
+}
+
+static bool parse_fsidd_reply(const char *cmd_info, char *buf, size_t len, char **result)
+{
+	if (len == 0) {
+		xlog(L_WARNING, "Unable to read %s result: server closed the connection", cmd_info);
+		return false;
+	} else if (len < 2) {
+		xlog(L_WARNING, "Unable to read %s result: server sent too few bytes", cmd_info);
+		return false;
+	}
+
+	if (buf[0] == '-') {
+		if (len > 2) {
+			char *reason = buf + 2;
+			xlog(L_WARNING, "Command %s failed, server said: %s", cmd_info, reason);
+		} else {
+			xlog(L_WARNING, "Command %s failed at server side", cmd_info);
+		}
+
+		return false;
+	}
+
+	if (buf[0] != '+') {
+		xlog(L_WARNING, "Unable to read %s result: server sent malformed answer", cmd_info);
+		return false;
+	}
+
+	if (len > 2) {
+		*result = strdup(buf + 2);
+	} else {
+		*result = NULL;
+	}
+
+	return true;
+}
+
+static bool do_fsidd_cmd(const char *cmd_info, char *msg, size_t len, char **result)
+{
+	char recvbuf[1024];
+	int n;
+
+	if (fsidd_srv == -1) {
+		xlog(L_NOTICE, "Reconnecting to fsid services");
+		if (reexpdb_init() == false)
+			return false;
+	}
+
+	xlog(D_GENERAL, "Request to fsidd: msg=\"%s\" len=%zd", msg, len);
+
+	if (write(fsidd_srv, msg, len) == -1) {
+		xlog(L_WARNING, "Unable to send %s command: %m", cmd_info);
+		goto out_close;
+	}
+
+	n = read(fsidd_srv, recvbuf, sizeof(recvbuf) - 1);
+	if (n <= -1) {
+		xlog(L_WARNING, "Unable to recv %s answer: %m", cmd_info);
+		goto out_close;
+	} else if (n == sizeof(recvbuf) - 1) {
+		//TODO: use better way to detect truncation
+		xlog(L_WARNING, "Unable to recv %s answer: answer truncated", cmd_info);
+		goto out_close;
+	}
+	recvbuf[n] = '\0';
+
+	xlog(D_GENERAL, "Answer from fsidd: msg=\"%s\" len=%i", recvbuf, n);
+
+	if (parse_fsidd_reply(cmd_info, recvbuf, n, result) == false) {
+		goto out_close;
+	}
+
+	return true;
+
+out_close:
+	close(fsidd_srv);
+	fsidd_srv = -1;
+	return false;
+}
+
+static bool fsidnum_get_by_path(char *path, uint32_t *fsidnum, bool may_create)
+{
+	char *msg, *result;
+	bool ret = false;
+	int len;
+
+	char *cmd = may_create ? "get_or_create_fsidnum" : "get_fsidnum";
+
+	len = asprintf(&msg, "%s %s", cmd, path);
+	if (len == -1) {
+		xlog(L_WARNING, "Unable to build %s command: %m", cmd);
+		goto out;
+	}
+
+	if (do_fsidd_cmd(cmd, msg, len, &result) == false) {
+		goto out;
+	}
+
+	if (result) {
+		bool bad_input = true;
+		char *endp;
+
+		errno = 0;
+		*fsidnum = strtoul(result, &endp, 10);
+		if (errno == 0 && *endp == '\0') {
+			bad_input = false;
+		}
+
+		free(result);
+
+		if (!bad_input) {
+			ret = true;
+		} else {
+			xlog(L_NOTICE, "Got malformed fsid for path %s", path);
+		}
+	} else {
+		xlog(L_NOTICE, "No fsid found for path %s", path);
+	}
+
+out:
+	free(msg);
+	return ret;
+}
+
+static bool path_by_fsidnum(uint32_t fsidnum, char **path)
+{
+	char *msg, *result;
+	bool ret = false;
+	int len;
+
+	len = asprintf(&msg, "get_path %d", (unsigned int)fsidnum);
+	if (len == -1) {
+		xlog(L_WARNING, "Unable to build get_path command: %m");
+		goto out;
+	}
+
+	if (do_fsidd_cmd("get_path", msg, len, &result) == false) {
+		goto out;
+	}
+
+	if (result) {
+		*path = result;
+		ret = true;
+	} else {
+		xlog(L_NOTICE, "No path found for fsid %u", (unsigned int)fsidnum);
+	}
+
+out:
+	free(msg);
+	return ret;
+}
+
+/*
+ * reexpdb_fsidnum_by_path - Lookup a fsid by path.
+ *
+ * @path: File system path used as lookup key
+ * @fsidnum: Pointer where found fsid is written to
+ * @may_create: If non-zero, allocate new fsid if lookup failed
+ *
+ */
+int reexpdb_fsidnum_by_path(char *path, uint32_t *fsidnum, int may_create)
+{
+	return fsidnum_get_by_path(path, fsidnum, may_create);
+}
+
+/*
+ * reexpdb_uncover_subvolume - Make sure a subvolume is present.
+ *
+ * @fsidnum: Numerical fsid number to look for
+ *
+ * Subvolumes (NFS cross mounts) get automatically mounted upon first
+ * access and can vanish after fs.nfs.nfs_mountpoint_timeout seconds.
+ * Also if the NFS server reboots, clients can still have valid file
+ * handles for such a subvolume.
+ *
+ * If kNFSd asks mountd for the path of a given fsidnum it can
+ * trigger an automount by calling statfs() on the given path.
+ */
+void reexpdb_uncover_subvolume(uint32_t fsidnum)
+{
+	struct statfs st;
+	char *path = NULL;
+	int ret;
+
+	if (path_by_fsidnum(fsidnum, &path)) {
+		ret = nfsd_path_statfs(path, &st);
+		if (ret == -1)
+			xlog(L_WARNING, "statfs() failed");
+	}
+
+	free(path);
+}
+
+/*
+ * reexpdb_apply_reexport_settings - Apply reexport specific settings to an exportent
+ *
+ * @ep: exportent to apply to
+ * @flname: Current export file, only useful for logging
+ * @flline: Current line, only useful for logging
+ *
+ * This is a helper function for applying reexport specific settings to an exportent.
+ * It searches a suitable fsid an sets @ep->e_fsid.
+ */
+int reexpdb_apply_reexport_settings(struct exportent *ep, char *flname, int flline)
+{
+	uint32_t fsidnum;
+	bool found, is_v4root = ((ep->e_flags & NFSEXP_FSID) && !ep->e_fsid);
+	int ret = 0;
+
+	if (ep->e_reexport == REEXP_NONE)
+		goto out;
+
+	if (ep->e_uuid)
+		goto out;
+
+	if (is_v4root)
+		goto out;
+
+	found = reexpdb_fsidnum_by_path(ep->e_path, &fsidnum, 0);
+	if (!found) {
+		if (ep->e_reexport == REEXP_AUTO_FSIDNUM) {
+			found = reexpdb_fsidnum_by_path(ep->e_path, &fsidnum, 1);
+			if (!found) {
+				xlog(L_ERROR, "%s:%i: Unable to generate fsid for %s",
+				     flname, flline, ep->e_path);
+				ret = -1;
+				goto out;
+			}
+		} else {
+			if (!ep->e_fsid) {
+				xlog(L_ERROR, "%s:%i: Selected 'reexport=' mode requires either a UUID 'fsid=' or a numerical 'fsid=' or a reexport db entry %d",
+				     flname, flline, ep->e_fsid);
+				ret = -1;
+			}
+
+			goto out;
+		}
+	}
+
+	if (ep->e_fsid) {
+		if (ep->e_fsid != fsidnum) {
+			xlog(L_ERROR, "%s:%i: Selected 'reexport=' mode requires configured numerical 'fsid=' to agree with reexport db entry",
+			     flname, flline);
+			ret = -1;
+		}
+	} else {
+		ep->e_fsid = fsidnum;
+	}
+
+out:
+	return ret;
+}
diff --git a/support/reexport/reexport.h b/support/reexport/reexport.h
new file mode 100644
index 0000000..85fd59c
--- /dev/null
+++ b/support/reexport/reexport.h
@@ -0,0 +1,20 @@
+#ifndef REEXPORT_H
+#define REEXPORT_H
+
+#include "nfslib.h"
+
+enum {
+	REEXP_NONE = 0,
+	REEXP_AUTO_FSIDNUM,
+	REEXP_PREDEFINED_FSIDNUM,
+};
+
+int reexpdb_init(void);
+void reexpdb_destroy(void);
+int reexpdb_fsidnum_by_path(char *path, uint32_t *fsidnum, int may_create);
+int reexpdb_apply_reexport_settings(struct exportent *ep, char *flname, int flline);
+void reexpdb_uncover_subvolume(uint32_t fsidnum);
+
+#define FSID_SOCKET_NAME "@/run/fsid.sock"
+
+#endif /* REEXPORT_H */
diff --git a/support/reexport/reexport_backend.h b/support/reexport/reexport_backend.h
new file mode 100644
index 0000000..4940f06
--- /dev/null
+++ b/support/reexport/reexport_backend.h
@@ -0,0 +1,47 @@
+#ifndef REEXPORT_BACKEND_H
+#define REEXPORT_BACKEND_H
+
+extern struct reexpdb_backend_plugin sqlite_plug_ops;
+
+struct reexpdb_backend_plugin {
+	/*
+	 * Find or allocate a fsidnum for a given path.
+	 *
+	 * @path: Path to look for
+	 * @fsidnum: Pointer to an uint32_t variable
+	 * @may_create: If non-zero, a fsidnum will be allocated if none was found
+	 *
+	 * Returns true if either an fsidnum was found or successfully allocated,
+	 * false otherwise.
+	 * On success, the fsidnum will be stored into @fsidnum.
+	 * Upon errors, false is returned and errors are logged.
+	 */
+	bool (*fsidnum_by_path)(char *path, uint32_t *fsidnum, int may_create, bool *found);
+
+	/*
+	 * Lookup path by a given fsidnum
+	 *
+	 * @fsidnum: fsidnum to look for
+	 * @path: address of a char pointer
+	 *
+	 * Returns true if a path was found, false otherwise.
+	 * Upon errors, false is returned and errors are logged.
+	 * In case of success, the function returns the found path
+	 * via @path, @path will point to a freshly allocated buffer
+	 * which is free()'able.
+	 */
+	bool (*path_by_fsidnum)(uint32_t fsidnum, char **path, bool *found);
+
+	/*
+	 * Init database connection, can get called multiple times.
+	 * Returns true on success, false otherwise.
+	 */
+	bool (*initdb)(void);
+
+	/*
+	 * Undoes initdb().
+	 */
+	void (*destroydb)(void);
+};
+
+#endif /* REEXPORT_BACKEND_H */
diff --git a/systemd/60-nfs.rules b/systemd/60-nfs.rules
new file mode 100644
index 0000000..188423c
--- /dev/null
+++ b/systemd/60-nfs.rules
@@ -0,0 +1,21 @@
+# Ensure all NFS systctl settings get applied when modules load
+
+# sunrpc module supports "sunrpc.*" sysctls
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="sunrpc", \
+  RUN+="/sbin/sysctl -q --pattern ^sunrpc --system"
+
+# rpcrdma module supports sunrpc.svc_rdma.*
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="rpcrdma", \
+  RUN+="/sbin/sysctl -q --pattern ^sunrpc.svc_rdma --system"
+
+# lockd module supports "fs.nfs.nlm*" and "fs.nfs.nsm*" sysctls
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="lockd", \
+  RUN+="/sbin/sysctl -q --pattern ^fs.nfs.n[sl]m --system"
+
+# nfsv4 module supports "fs.nfs.*" sysctls (nfs_callback_tcpport and idmap_cache_timeout)
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="nfsv4", \
+  RUN+="/sbin/sysctl -q --pattern ^fs.nfs.(nfs_callback_tcpport|idmap_cache_timeout) --system"
+
+# nfs module supports "fs.nfs.*" sysctls
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="nfs", \
+  RUN+="/sbin/sysctl -q --pattern ^fs.nfs --system"
diff --git a/systemd/Makefile.am b/systemd/Makefile.am
new file mode 100644
index 0000000..b448322
--- /dev/null
+++ b/systemd/Makefile.am
@@ -0,0 +1,88 @@
+## Process this file with automake to produce Makefile.in
+
+MAINTAINERCLEANFILES = Makefile.in
+
+udev_rulesdir = /usr/lib/udev/rules.d/
+udev_files = 60-nfs.rules
+
+unit_files =  \
+    nfs-client.target \
+    rpc_pipefs.target \
+    \
+    nfs-mountd.service \
+    nfs-server.service \
+    nfs-utils.service \
+    rpc-statd-notify.service \
+    rpc-statd.service \
+    \
+    proc-fs-nfsd.mount \
+    fsidd.service
+
+rpc_pipefs_mount_file = \
+    var-lib-nfs-rpc_pipefs.mount
+
+if CONFIG_NFSV4
+unit_files += \
+    nfs-idmapd.service
+endif
+
+if CONFIG_NFSV4SERVER
+unit_files += \
+    nfsv4-exportd.service \
+    nfsv4-server.service
+endif
+
+if CONFIG_NFSV41
+unit_files += \
+    nfs-blkmap.service
+endif
+
+if CONFIG_GSS
+unit_files += \
+    auth-rpcgss-module.service \
+    rpc-gssd.service
+
+if CONFIG_SVCGSS
+unit_files += \
+    rpc-svcgssd.service
+endif
+endif
+
+if CONFIG_NFSDCLD
+unit_files += \
+    nfsdcld.service
+endif
+
+man5_MANS	= nfs.conf.man
+man7_MANS	= nfs.systemd.man
+EXTRA_DIST = $(unit_files) $(udev_files) $(man5_MANS) $(man7_MANS)
+
+generator_dir = $(unitdir)/../system-generators
+
+EXTRA_PROGRAMS	= nfs-server-generator rpc-pipefs-generator
+genexecdir = $(generator_dir)
+
+COMMON_SRCS = systemd.c systemd.h
+
+nfs_server_generator_SOURCES = $(COMMON_SRCS) nfs-server-generator.c
+
+rpc_pipefs_generator_SOURCES = $(COMMON_SRCS) rpc-pipefs-generator.c
+
+nfs_server_generator_LDADD = ../support/export/libexport.a \
+			     ../support/nfs/libnfs.la \
+			     ../support/misc/libmisc.a \
+			     ../support/reexport/libreexport.a \
+			     $(LIBPTHREAD)
+
+
+rpc_pipefs_generator_LDADD = ../support/nfs/libnfs.la
+
+if INSTALL_SYSTEMD
+genexec_PROGRAMS = nfs-server-generator rpc-pipefs-generator
+install-data-hook: $(unit_files) $(udev_files)
+	mkdir -p $(DESTDIR)/$(unitdir)
+	cp $(unit_files) $(DESTDIR)/$(unitdir)
+	cp $(rpc_pipefs_mount_file) $(DESTDIR)/$(unitdir)/$(rpc_pipefsmount)
+	mkdir -p $(DESTDIR)/$(udev_rulesdir)
+	cp $(udev_files) $(DESTDIR)/$(udev_rulesdir)
+endif
diff --git a/systemd/Makefile.in b/systemd/Makefile.in
new file mode 100644
index 0000000..108deae
--- /dev/null
+++ b/systemd/Makefile.in
@@ -0,0 +1,937 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
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+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
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+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
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+@CONFIG_NFSV4_TRUE@am__append_1 = \
+@CONFIG_NFSV4_TRUE@    nfs-idmapd.service
+
+@CONFIG_NFSV4SERVER_TRUE@am__append_2 = \
+@CONFIG_NFSV4SERVER_TRUE@    nfsv4-exportd.service \
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+
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+@CONFIG_NFSV41_TRUE@    nfs-blkmap.service
+
+@CONFIG_GSS_TRUE@am__append_4 = \
+@CONFIG_GSS_TRUE@    auth-rpcgss-module.service \
+@CONFIG_GSS_TRUE@    rpc-gssd.service
+
+@CONFIG_GSS_TRUE@@CONFIG_SVCGSS_TRUE@am__append_5 = \
+@CONFIG_GSS_TRUE@@CONFIG_SVCGSS_TRUE@    rpc-svcgssd.service
+
+@CONFIG_NFSDCLD_TRUE@am__append_6 = \
+@CONFIG_NFSDCLD_TRUE@    nfsdcld.service
+
+EXTRA_PROGRAMS = nfs-server-generator$(EXEEXT) \
+	rpc-pipefs-generator$(EXEEXT)
+@INSTALL_SYSTEMD_TRUE@genexec_PROGRAMS =  \
+@INSTALL_SYSTEMD_TRUE@	nfs-server-generator$(EXEEXT) \
+@INSTALL_SYSTEMD_TRUE@	rpc-pipefs-generator$(EXEEXT)
+subdir = systemd
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
+	$(top_srcdir)/aclocal/bsdsignals.m4 \
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
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+	$(top_srcdir)/aclocal/libblkid.m4 \
+	$(top_srcdir)/aclocal/libcap.m4 \
+	$(top_srcdir)/aclocal/libevent.m4 \
+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
+	$(top_srcdir)/aclocal/rpcsec_vers.m4 \
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+	$(top_srcdir)/configure.ac
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+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/support/include/config.h
+CONFIG_CLEAN_FILES = rpc-gssd.service rpc_pipefs.target \
+	var-lib-nfs-rpc_pipefs.mount
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(genexecdir)" "$(DESTDIR)$(man5dir)" \
+	"$(DESTDIR)$(man7dir)"
+PROGRAMS = $(genexec_PROGRAMS)
+am__objects_1 = systemd.$(OBJEXT)
+am_nfs_server_generator_OBJECTS = $(am__objects_1) \
+	nfs-server-generator.$(OBJEXT)
+nfs_server_generator_OBJECTS = $(am_nfs_server_generator_OBJECTS)
+am__DEPENDENCIES_1 =
+nfs_server_generator_DEPENDENCIES = ../support/export/libexport.a \
+	../support/nfs/libnfs.la ../support/misc/libmisc.a \
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+
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+
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+install-man5: $(man5_MANS)
+	@$(NORMAL_INSTALL)
+	@list1='$(man5_MANS)'; \
+	list2=''; \
+	test -n "$(man5dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man5dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man5dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
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+	  for i in $$list2; do echo "$$i"; done \
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+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^5][0-9a-z]*$$,5,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man5dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man5dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man5dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man5dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man5:
+	@$(NORMAL_UNINSTALL)
+	@list='$(man5_MANS)'; test -n "$(man5dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^5][0-9a-z]*$$,5,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man5dir)'; $(am__uninstall_files_from_dir)
+install-man7: $(man7_MANS)
+	@$(NORMAL_INSTALL)
+	@list1='$(man7_MANS)'; \
+	list2=''; \
+	test -n "$(man7dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man7dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man7dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.7[a-z]*$$/p'; \
+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^7][0-9a-z]*$$,7,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man7dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man7dir)/$$inst" || exit $$?; \
+	  fi; \
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+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man7dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man7dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man7:
+	@$(NORMAL_UNINSTALL)
+	@list='$(man7_MANS)'; test -n "$(man7dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^7][0-9a-z]*$$,7,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man7dir)'; $(am__uninstall_files_from_dir)
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(genexecdir)" "$(DESTDIR)$(man5dir)" "$(DESTDIR)$(man7dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+install-exec: install-exec-am
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+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+@INSTALL_SYSTEMD_FALSE@install-data-hook:
+clean: clean-am
+
+clean-am: clean-generic clean-genexecPROGRAMS clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/nfs-server-generator.Po
+	-rm -f ./$(DEPDIR)/rpc-pipefs-generator.Po
+	-rm -f ./$(DEPDIR)/systemd.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
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+dvi-am:
+
+html: html-am
+
+html-am:
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+info: info-am
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+	$(MAKE) $(AM_MAKEFLAGS) install-data-hook
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+
+install-exec-am: install-genexecPROGRAMS
+
+install-html: install-html-am
+
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+install-pdf-am:
+
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+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/nfs-server-generator.Po
+	-rm -f ./$(DEPDIR)/rpc-pipefs-generator.Po
+	-rm -f ./$(DEPDIR)/systemd.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
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+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+
+ps-am:
+
+uninstall-am: uninstall-genexecPROGRAMS uninstall-man
+
+uninstall-man: uninstall-man5 uninstall-man7
+
+.MAKE: install-am install-data-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-genexecPROGRAMS clean-libtool \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-data-hook install-dvi \
+	install-dvi-am install-exec install-exec-am \
+	install-genexecPROGRAMS install-html install-html-am \
+	install-info install-info-am install-man install-man5 \
+	install-man7 install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-genexecPROGRAMS uninstall-man \
+	uninstall-man5 uninstall-man7
+
+.PRECIOUS: Makefile
+
+@INSTALL_SYSTEMD_TRUE@install-data-hook: $(unit_files) $(udev_files)
+@INSTALL_SYSTEMD_TRUE@	mkdir -p $(DESTDIR)/$(unitdir)
+@INSTALL_SYSTEMD_TRUE@	cp $(unit_files) $(DESTDIR)/$(unitdir)
+@INSTALL_SYSTEMD_TRUE@	cp $(rpc_pipefs_mount_file) $(DESTDIR)/$(unitdir)/$(rpc_pipefsmount)
+@INSTALL_SYSTEMD_TRUE@	mkdir -p $(DESTDIR)/$(udev_rulesdir)
+@INSTALL_SYSTEMD_TRUE@	cp $(udev_files) $(DESTDIR)/$(udev_rulesdir)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/systemd/README b/systemd/README
new file mode 100644
index 0000000..da23d6f
--- /dev/null
+++ b/systemd/README
@@ -0,0 +1,79 @@
+
+Notes about systemd unit files for nfs-utils.
+
+The unit files provided here should be sufficient for systemd
+to manage all daemons and related services provides by nfs-utils.
+
+They do *not* include any unit files for separate services such as
+rpc.rquotad (in the 'quota' package) or rpcbind.
+
+There are 4 units that can be 'enabled' or 'disabled' by systemctl, or
+by a suitable 'preset' setting:
+
+ nfs-server.service
+    If enabled, nfs service is started together with dependencies
+    such as mountd, statd, rpc.idmapd
+    This is a "service" file rather than a "target" (which is the
+    normal grouping construct) so that
+        systemctl start nfs-server
+    can work (if no type is given, ".service" is assumed).
+
+ nfs-client.target
+    If enabled, daemons needed for an nfs client are enabled.
+    This does *not* include rpc.statd.  The rpc-statd.service unit
+    is started by /usr/sbin/start-statd which mount.nfs will run
+    if statd is needed.
+
+ nfs-blkmap.service
+    If enabled, then blkmapd will be run when nfs-client.target is
+    started.
+
+Another special unit is "nfs-utils.service".  This doesn't really do
+anything, but exists so that other units may declare themselves as
+"PartOf" nfs-utils.service.
+The effect of this is that
+     systemctl restart nfs-utils
+will restart all nfs-utils daemons as maybe be required during
+software update.  It isn't possible to make
+     systemctl try-restart nfs-server nfs-client.target
+do this as some daemon are included in both, and rpc.statd would
+not be restarted if nfs-server were not active (as nfs-client doesn't
+Want it - it is started by mount.nfs running start-statd).
+
+It is possible that we should have an nfs-statd.target which can
+selectively enable statd being stared by -server and sm-notify
+being started by -server or -client.  That way it could be disabled
+completely on V4-only configurations.  Currently statd is always
+started on the server and sm-notify is always run if server or
+client is enabled.
+
+Stopping nfs-server will also stop rpc.mountd, and rpc.svcgssd.
+It cannot stop rpc.statd or rpc.gssd as they may be in use by the
+client and systemd cannot specify is two-pronged reverse dependency.
+(i.e. stop this unit if none of these units are running)
+
+Distro specific configuration can be included in /etc/nfs.conf, or
+by providing drop-in files which replace the ExecStart line for a given
+service, and possibly add an EnvironmentFile line.
+
+For example, if systemd/system/nfs-mountd.service.d/local.conf
+contained
+  [Service]
+  EnvironmentFile=/etc/sysconfig/nfs
+  ExecStart=
+  ExecStart=/usr/sbin/rpc.mountd $RPCMOUNTDOPTS
+
+then the setting of RPCMOUNTDOPTS in /etc/sysconfig/nfs would be
+passed to rpc.mountd.
+
+rpc.gssd and rpc.svcgssd are assumed to be needed if /etc/krb5.keytab
+is present.
+If a site needs this file present but does not want the gss daemons
+running, it should create
+   /etc/systemd/system/rpc-gssd.service.d/01-disable.conf
+and
+   /etc/systemd/system/rpc-svcgssd.service.d/01-disable.conf
+
+containing
+   [Unit]
+   ConditionNull=false
diff --git a/systemd/auth-rpcgss-module.service b/systemd/auth-rpcgss-module.service
new file mode 100644
index 0000000..4a69a7b
--- /dev/null
+++ b/systemd/auth-rpcgss-module.service
@@ -0,0 +1,18 @@
+# We want to start gss-proxy on kernels that support it and rpc.svcgssd
+# on those that don't.  Those services check for support by checking
+# for existence of the path /proc/net/rpc/use-gss-proxy.  Before they
+# can perform that check, they need this module loaded.  (Unless
+# rpcsec_gss support is built directly into the kernel, in which case this
+# unit will fail.  But that's OK.)
+[Unit]
+Description=Kernel Module supporting RPCSEC_GSS
+DefaultDependencies=no
+Before=gssproxy.service rpc-svcgssd.service rpc-gssd.service
+Wants=gssproxy.service rpc-gssd.service
+ConditionPathExists=/etc/krb5.keytab
+ConditionVirtualization=!container
+
+[Service]
+Type=oneshot
+ExecStart=/sbin/modprobe -q auth_rpcgss
+RemainAfterExit=yes
diff --git a/systemd/fsidd.service b/systemd/fsidd.service
new file mode 100644
index 0000000..9cb480e
--- /dev/null
+++ b/systemd/fsidd.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=NFS FSID Daemon
+After=local-fs.target
+Before=nfs-mountd.service nfs-server.service
+
+[Service]
+ExecStart=/usr/sbin/fsidd
+
+[Install]
+RequiredBy=nfs-mountd.service nfs-server.service
diff --git a/systemd/nfs-blkmap.service b/systemd/nfs-blkmap.service
new file mode 100644
index 0000000..6aa45ba
--- /dev/null
+++ b/systemd/nfs-blkmap.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=pNFS block layout mapping daemon
+DefaultDependencies=no
+Conflicts=umount.target
+After=rpc_pipefs.target
+Requires=rpc_pipefs.target
+
+PartOf=nfs-utils.service
+
+[Service]
+Type=forking
+PIDFile=/run/blkmapd.pid
+ExecStart=/usr/sbin/blkmapd
+
+[Install]
+WantedBy=nfs-client.target
diff --git a/systemd/nfs-client.target b/systemd/nfs-client.target
new file mode 100644
index 0000000..8a8300a
--- /dev/null
+++ b/systemd/nfs-client.target
@@ -0,0 +1,16 @@
+[Unit]
+Description=NFS client services
+Before=remote-fs-pre.target
+Wants=remote-fs-pre.target
+
+# Note: we don't "Wants=rpc-statd.service" as "mount.nfs" will arrange to
+# start that on demand if needed.
+Wants=rpc-statd-notify.service
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service
+After=rpc-gssd.service rpc-svcgssd.service gssproxy.service
+
+[Install]
+WantedBy=multi-user.target
+WantedBy=remote-fs.target
diff --git a/systemd/nfs-idmapd.service b/systemd/nfs-idmapd.service
new file mode 100644
index 0000000..198ca87
--- /dev/null
+++ b/systemd/nfs-idmapd.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=NFSv4 ID-name mapping service
+DefaultDependencies=no
+Requires=rpc_pipefs.target
+After=rpc_pipefs.target local-fs.target network-online.target
+Wants=network-online.target
+
+BindsTo=nfs-server.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.idmapd
diff --git a/systemd/nfs-mountd.service b/systemd/nfs-mountd.service
new file mode 100644
index 0000000..e8ece53
--- /dev/null
+++ b/systemd/nfs-mountd.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=NFS Mount Daemon
+DefaultDependencies=no
+Requires=proc-fs-nfsd.mount
+Wants=network-online.target
+After=proc-fs-nfsd.mount
+After=network-online.target local-fs.target
+After=rpcbind.socket
+BindsTo=nfs-server.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.mountd
diff --git a/systemd/nfs-server-generator.c b/systemd/nfs-server-generator.c
new file mode 100644
index 0000000..eec98fd
--- /dev/null
+++ b/systemd/nfs-server-generator.c
@@ -0,0 +1,158 @@
+/*
+ * nfs-server-generator:
+ *   systemd generator to create ordering dependencies between
+ *   nfs-server and various filesystem mounts
+ *
+ * 1/ nfs-server should start Before any 'nfs' mountpoints are
+ *    mounted, in case they are loop-back mounts.  This ordering is particularly
+ *    important for the shutdown side, so the nfs-server is stopped
+ *    after the filesystems are unmounted.
+ * 2/ nfs-server should start After all exported filesystems are mounted
+ *    so there is no risk of exporting the underlying directory.
+ *    This is particularly important for _net mounts which
+ *    are not caught by "local-fs.target".
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <mntent.h>
+#include <alloca.h>
+
+#include "misc.h"
+#include "nfslib.h"
+#include "exportfs.h"
+#include "systemd.h"
+
+/* A simple "set of strings" to remove duplicates
+ * found in /etc/exports
+ */
+struct list {
+	struct list *next;
+	char *name;
+};
+static int is_unique(struct list **lp, char *path)
+{
+	struct list *l = *lp;
+
+	while (l) {
+		if (strcmp(l->name, path) == 0)
+			return 0;
+		l = l->next;
+	}
+	l = malloc(sizeof(*l));
+	if (l == NULL)
+		return 0;
+	l->name = path;
+	l->next = *lp;
+	*lp = l;
+	return 1;
+}
+
+static int has_noauto_flag(char *path)
+{
+	FILE		*fstab;
+	struct mntent	*mnt;
+
+	fstab = setmntent("/etc/fstab", "r");
+	if (!fstab)
+		return 0;
+
+	while ((mnt = getmntent(fstab)) != NULL) {
+		int l = strlen(mnt->mnt_dir);
+		if (strncmp(mnt->mnt_dir, path, l) != 0)
+			continue;
+		if (path[l] && path[l] != '/')
+			continue;
+		if (hasmntopt(mnt, "noauto"))
+			break;
+	}
+	fclose(fstab);
+	return mnt != NULL;
+}
+
+int main(int argc, char *argv[])
+{
+	char		*path, *spath;
+	char		dirbase[] = "/nfs-server.service.d";
+	char		filebase[] = "/order-with-mounts.conf";
+	nfs_export	*exp;
+	int		i;
+	struct list	*list = NULL;
+	FILE		*f, *fstab;
+	struct mntent	*mnt;
+
+	/* Avoid using any external services */
+	xlog_syslog(0);
+
+	if (argc != 4 || argv[1][0] != '/') {
+		fprintf(stderr, "nfs-server-generator: create systemd dependencies for nfs-server\n");
+		fprintf(stderr, "Usage: normal-dir early-dir late-dir\n");
+		exit(1);
+	}
+
+	path = alloca(strlen(argv[1]) + sizeof(dirbase) + sizeof(filebase));
+	if (!path)
+		exit(2);
+	if (export_read(_PATH_EXPORTS, 1) +
+	    export_d_read(_PATH_EXPORTS_D, 1) == 0)
+		/* Nothing is exported, so nothing to do */
+		exit(0);
+
+	strcat(strcpy(path, argv[1]), dirbase);
+	mkdir(path, 0755);
+	strcat(path, filebase);
+	f = fopen(path, "w");
+	if (!f)
+		exit(1);
+	fprintf(f, "# Automatically generated by nfs-server-generator\n\n[Unit]\n");
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (!is_unique(&list, exp->m_export.e_path))
+				continue;
+			if (exp->m_export.e_mountpoint)
+				continue;
+			if (has_noauto_flag(exp->m_export.e_path))
+				continue;
+			if (strchr(exp->m_export.e_path, ' '))
+				fprintf(f, "RequiresMountsFor=\"%s\"\n",
+					exp->m_export.e_path);
+			else
+				fprintf(f, "RequiresMountsFor=%s\n",
+					exp->m_export.e_path);
+		}
+	}
+
+	fstab = setmntent("/etc/fstab", "r");
+	if (!fstab)
+		exit(1);
+
+	while ((mnt = getmntent(fstab)) != NULL) {
+		if (strcmp(mnt->mnt_type, "nfs") != 0 &&
+		    strcmp(mnt->mnt_type, "nfs4") != 0)
+			continue;
+
+		spath = systemd_escape(mnt->mnt_dir, ".mount");
+		if (!spath) {
+			fprintf(stderr, 
+				"nfs-server-generator: convert path failed: %s\n",
+				mnt->mnt_dir);
+			continue;
+		}
+		fprintf(f, "Before=%s\n", spath);
+	}
+
+	fclose(fstab);
+	fclose(f);
+
+	exit(0);
+}
diff --git a/systemd/nfs-server.service b/systemd/nfs-server.service
new file mode 100644
index 0000000..2cdd786
--- /dev/null
+++ b/systemd/nfs-server.service
@@ -0,0 +1,33 @@
+[Unit]
+Description=NFS server and services
+DefaultDependencies=no
+Requires=network.target proc-fs-nfsd.mount
+Requires=nfs-mountd.service
+Wants=rpcbind.socket network-online.target
+Wants=rpc-statd.service nfs-idmapd.service
+Wants=rpc-statd-notify.service
+Wants=nfsdcld.service
+
+After=network-online.target local-fs.target
+After=proc-fs-nfsd.mount rpcbind.socket nfs-mountd.service
+After=nfs-idmapd.service rpc-statd.service
+After=nfsdcld.service
+Before=rpc-statd-notify.service
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service rpc-svcgssd.service
+After=rpc-gssd.service gssproxy.service rpc-svcgssd.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStartPre=-/usr/sbin/exportfs -r
+ExecStart=/usr/sbin/rpc.nfsd
+ExecStop=/usr/sbin/rpc.nfsd 0
+ExecStopPost=/usr/sbin/exportfs -au
+ExecStopPost=/usr/sbin/exportfs -f
+
+ExecReload=-/usr/sbin/exportfs -r
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/nfs-utils.service b/systemd/nfs-utils.service
new file mode 100644
index 0000000..54b6314
--- /dev/null
+++ b/systemd/nfs-utils.service
@@ -0,0 +1,17 @@
+[Unit]
+Description=NFS server and client services
+# This service should never be stopped, only restarted.
+# When it is re-started, all other services which declare
+# themselves to be "PartOf" this service will also be
+# restarted. Thus
+#   systemctl restart nfs-utils
+# will restart all daemons which are part of nfs-utils
+# and which are running.  This is useful after a software
+# update.
+
+# This is a "service" rather than "target" so that we
+# don't need to say "systemctl restart nfs-utils.target".
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/bin/true
diff --git a/systemd/nfs-v4client.target b/systemd/nfs-v4client.target
new file mode 100644
index 0000000..3d1064e
--- /dev/null
+++ b/systemd/nfs-v4client.target
@@ -0,0 +1,12 @@
+[Unit]
+Description=NFS client services
+Before=remote-fs-pre.target
+Wants=remote-fs-pre.target
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service
+After=rpc-gssd.service rpc-svcgssd.service gssproxy.service
+
+[Install]
+WantedBy=multi-user.target
+WantedBy=remote-fs.target
diff --git a/systemd/nfs.conf.man b/systemd/nfs.conf.man
new file mode 100644
index 0000000..866939a
--- /dev/null
+++ b/systemd/nfs.conf.man
@@ -0,0 +1,330 @@
+.TH NFS.CONF 5
+.SH NAME
+nfs.conf \- general configuration for NFS daemons and tools
+.SH SYNOPSIS
+.I /etc/nfs.conf
+.SH DESCRIPTION
+.PP
+This file contains site-specific configuration for various NFS daemons
+and other processes.  Most configuration can also be passed to
+processes via command line arguments, but it can be more convenient to
+have a central file.  In particular, this encourages consistent
+configuration across different processes.
+.PP
+When command line options are provided, they override values set in
+this file.  When this file does not specify a particular parameter,
+and no command line option is provided, each tool provides its own
+default values.
+.PP
+The file format supports multiple sections, each of which can contain
+multiple value assignments.  A section is introduced by a line
+containing the section name enclosed in square brackets, so
+.RS
+.B [global]
+.RE
+would introduce a section called
+.BR global .
+A value assignment is a single line that has the name of the value, an
+equals sign, and a setting for the value, so
+.RS
+.B threads = 4
+.RE
+would set the value named
+.B threads
+in the current section to
+.BR 4 .
+Leading and trailing spaces and tab
+are ignored, as are spaces and tabs surrounding the equals sign.
+Single and double quotes surrounding the assigned value are also
+removed.  If the resulting string is empty, the whole assignment
+is ignored.
+.PP
+Any line starting with
+.RB \*(lq # \*(rq
+or
+.RB \*(lq ; \*(rq
+is ignored, as is any blank line.
+.PP
+If the assigned value started with a
+.RB \*(lq $ \*(rq
+then the remainder is treated as a name and looked for in the section
+.B [environment]
+or in the processes environment (see
+.BR environ (7)).
+The value found is used for this value.
+.PP
+The value name
+.B include
+is special.  If a section contains
+.RS
+.B include = /some/file/name
+.RE
+then the named file will be read, and any value assignments found
+there-in will be added to the current section.  If the file contains
+section headers, then new sections will be created just as if the
+included file appeared in place of the
+.B include
+line.
+If the file name starts with a hyphen then that is stripped off
+before the file is opened, and if file doesn't exist no warning is
+given.  Normally a non-existent include file generates a warning.
+.PP
+Lookup of section and value names is case-insensitive.
+
+Where a Boolean value is expected, any of
+.BR true ,
+.BR t ,
+.BR yes ,
+.BR y ,
+.BR on ", or"
+.B 1
+can be used for "true", while
+.BR false ,
+.BR f ,
+.BR no ,
+.BR n ,
+.BR off ", or"
+.B 0
+can be used for "false".  Comparisons are case-insensitive.
+
+.SH SECTIONS
+The following sections are known to various programs, and can contain
+the given named values.  Most sections can also contain a
+.B debug
+value, which can be one or more from the list
+.BR general ,
+.BR call ,
+.BR auth ,
+.BR parse ,
+.BR all .
+When a list is given, the members should be comma-separated.
+The values
+.BR 0
+and
+.BR 1
+are also accepted, with '0' making no changes to the debug level, and '1' equivalent to specifying 'all'.
+
+.TP
+.B general
+Recognized values:
+.BR pipefs-directory .
+
+See
+.BR blkmapd (8),
+.BR rpc.idmapd (8),
+and
+.BR rpc.gssd (8)
+for details.
+
+.TP
+.B exports
+Recognized values:
+.BR rootdir .
+
+Setting
+.B rootdir
+to a valid path causes the nfs server to act as if the
+supplied path is being prefixed to all the exported entries. For
+instance, if
+.BR rootdir=/my/root ,
+and there is an entry in /etc/exports for
+.BR /filesystem ,
+then the client will be able to mount the path as
+.BR /filesystem ,
+but on the server, this will resolve to the path
+.BR /my/root/filesystem .
+
+.TP
+.B exportd
+Recognized values:
+.BR manage-gids ,
+.BR threads ,
+.BR cache-use-ipaddr ,
+.BR ttl ,
+.BR state-directory-path
+
+See
+.BR exportd (8)
+for details.
+
+Note that setting 
+.B "\[dq]debug = auth\[dq]"
+for
+.B exportd
+is equivalent to providing the
+.B \-\-log\-auth
+option.
+
+.TP
+.B nfsdcltrack
+Recognized values:
+.BR storagedir .
+
+The
+.B nfsdcltrack
+program is run directly by the Linux kernel and there is no
+opportunity to provide command line arguments, so the configuration
+file is the only way to configure this program.  See
+.BR nfsdcltrack (8)
+for details.
+
+.TP
+.B nfsd
+Recognized values:
+.BR threads ,
+.BR host ,
+.BR scope ,
+.BR port ,
+.BR grace-time ,
+.BR lease-time ,
+.BR udp ,
+.BR tcp ,
+.BR vers3 ,
+.BR vers4 ,
+.BR vers4.0 ,
+.BR vers4.1 ,
+.BR vers4.2 ,
+.BR rdma ,
+
+Version and protocol values are Boolean values as described above,
+and are also used by
+.BR rpc.mountd .
+Threads and the two times are integers.
+.B port
+and
+.B rdma
+are service names or numbers.  See
+.BR rpc.nfsd (8)
+for details.
+
+.TP
+.B mountd
+Recognized values:
+.BR manage-gids ,
+.BR descriptors ,
+.BR port ,
+.BR threads ,
+.BR reverse-lookup ,
+.BR cache-use-ipaddr ,
+.BR ttl ,
+.BR state-directory-path ,
+.BR ha-callout .
+
+These, together with the protocol and version values in the
+.B [nfsd]
+section, are used to configure mountd.  See
+.BR rpc.mountd (8)
+for details.
+
+Note that setting 
+.B "\[dq]debug = auth\[dq]"
+for
+.B mountd
+is equivalent to providing the
+.B \-\-log\-auth
+option.
+
+The
+.B state-directory-path
+value in the
+.B [mountd]
+section is also used by
+.BR exportfs (8).
+
+.TP
+.B statd
+Recognized values:
+.BR port ,
+.BR outgoing-port ,
+.BR name ,
+.BR state-directory-path ,
+.BR ha-callout .
+
+See
+.BR rpc.statd (8)
+for details.
+
+.TP
+.B lockd
+Recognized values:
+.B port
+and
+.BR udp-port .
+
+See
+.BR rpc.statd (8)
+for details.
+
+.TP
+.B sm-notify
+Recognized values:
+.BR retry-time ,
+.BR outgoing-port ", and"
+.BR outgoing-addr .
+
+See
+.BR sm-notify (8)
+for details.
+
+.TP
+.B gssd
+Recognized values:
+.BR verbosity ,
+.BR rpc-verbosity ,
+.BR use-memcache ,
+.BR use-machine-creds ,
+.BR use-gss-proxy ,
+.BR avoid-dns ,
+.BR limit-to-legacy-enctypes ,
+.BR context-timeout ,
+.BR rpc-timeout ,
+.BR keytab-file ,
+.BR cred-cache-directory ,
+.BR preferred-realm ,
+.BR set-home .
+
+See
+.BR rpc.gssd (8)
+for details.
+
+.TP
+.B svcgssd
+Recognized values:
+.BR principal .
+
+See
+.BR rpc.svcgssd (8)
+for details.
+
+.TP
+.B exportfs
+Only
+.B debug=
+is recognized.
+
+.TP
+.B nfsrahead
+Recognized values:
+.BR nfs ,
+.BR nfsv4 ,
+.BR default .
+
+See
+.BR nfsrahead (5)
+for deatils.
+
+.SH FILES
+.TP 10n
+.I /etc/nfs.conf
+Default NFS client configuration file
+.TP 10n
+.I /etc/nfs.conf.d
+When this directory exists and files ending 
+with ".conf" exist, those files will be
+used to set configuration variables. These
+files will override variables set in /etc/nfs.conf
+.SH SEE ALSO
+.BR nfsdcltrack (8),
+.BR rpc.nfsd (8),
+.BR rpc.mountd (8),
+.BR nfsmount.conf (5).
diff --git a/systemd/nfs.systemd.man b/systemd/nfs.systemd.man
new file mode 100644
index 0000000..46b476a
--- /dev/null
+++ b/systemd/nfs.systemd.man
@@ -0,0 +1,177 @@
+.TH NFS.SYSTEMD 7
+.SH NAME
+nfs.systemd \- managing NFS services through systemd.
+.SH SYNOPSIS
+nfs-utils.service
+.br
+nfs-server.service
+.br
+nfs-client.target
+.br
+.I etc
+.SH DESCRIPTION
+The
+.I nfs-utils
+package provides a suite of
+.I systemd
+unit files which allow the various services to be started and
+managed.  These unit files ensure that the services are started in the
+correct order, and the prerequisites are active before dependant
+services start.  As there are quite  few unit files, it is not
+immediately obvious how best to achieve certain results.  The
+following subsections attempt to cover the issues that are most likely
+to come up.
+.SS Configuration
+The standard systemd unit files do not provide any easy way to pass
+any command line arguments to daemons so as to configure their
+behavior.  In many case such configuration can be performed by making
+changes to
+.I /etc/nfs.conf
+or other configuration files.  When that is not convenient, a
+distribution might provide systemd "drop-in" files which replace the
+.B ExecStart=
+setting to start the program with different arguments.  For example a
+drop-in file
+.B systemd/system/nfs-mountd.service.d/local.conf
+containing
+.RS
+.nf
+[Service]
+EnvironmentFile=/etc/sysconfig/nfs
+ExecStart=
+ExecStart= /usr/sbin/rpc.mountd $RPCMOUNTDOPTS
+.fi
+.RE
+would cause the
+.B nfs-mountd.service
+unit to run the
+.I rpc.mountd
+program using, for arguments, the value given for
+.B RPCMOUNTDOPTS
+in
+.IR /etc/sysconfig/nfs .
+This allows for seamless integration with existing configuration
+tools.
+.SS Enabling unit files
+There are three unit files which are designed to be manually enabled.
+All others are automatically run as required.  The three are:
+.TP
+.B nfs-client.target
+This should be enabled on any host which ever serves as an NFS client.
+There is little cost in transparently enabling it whenever NFS client
+software is installed.
+.TP
+.B nfs-server.service
+This must be enabled to provide NFS service to clients.  It starts and
+configures the required daemons in the required order.
+.TP
+.B nfs-blkmap.service
+The
+.B blkmapd
+daemon is only required on NFS clients which are using pNFS (parallel
+NFS), and particularly using the
+.B blocklayout
+layout protocol.  If you might use this particular extension to NFS,
+the
+.B nfs-blkmap.service
+unit should be enabled.
+.PP
+Several other units which might be considered to be optional, such as
+.I rpc-gssd.service
+are careful to only start if the required configuration file exists.
+.I rpc-gssd.service
+will not start if the
+.I krb5.keytab
+file does not exist (typically in
+.IR /etc ).
+.SS Restarting NFS services
+Most NFS daemons can be restarted at any time.  They will reload any
+state that they need, and continue servicing requests.  This is rarely
+necessary though.
+.PP
+When configuration changesare make, it can be hard to know exactly
+which services need to be restarted to ensure that the configuration
+takes effect.  The simplest approach, which is often the best, is to
+restart everything.  To help with this, the
+.B nfs-utils.service
+unit is provided.  It declares appropriate dependencies with other
+unit files so that
+.RS
+.B systemctl restart nfs-utils
+.RE
+will restart all NFS daemons that are running.  This will cause all
+configuration changes to take effect
+.I except
+for changes to mount options lists in
+.I /etc/fstab
+or
+.IR /etc/nfsmount.conf .
+Mount options can only be changed by unmounting and remounting
+filesystem.  This can be a disruptive operation so it should only be
+done when the value justifies the cost.  The command
+.RS
+.B umount -a -t nfs; mount -a -t nfs
+.RE
+should unmount and remount all NFS filesystems.
+.SS Masking unwanted services
+Rarely there may be a desire to prohibit some services from running
+even though there are normally part of a working NFS system.  This may
+be needed to reduce system load to an absolute minimum, or to reduce
+attack surface by not running daemons that are not absolutely
+required.
+.PP
+Three particular services which this can apply to are
+.IR rpcbind ,
+.IR idmapd ,
+and
+.IR rpc-gssd .
+.I rpcbind
+is not part of the
+.I nfs-utils
+package, but it used by several NFS services.  However it is
+.B not
+needed when only NFSv4 is in use.  If a site will never use NFSv3 (or
+NFSv2) and does not want
+.I rpcbind
+to be running, the correct approach is to run
+.RS
+.B systemctl mask rpcbind
+.RE
+This will disable
+.IR rpcbind ,
+and the various NFS services which depend on it (and are only needed
+for NFSv3) will refuse to start, without interfering with the
+operation of NFSv4 services.  In particular,
+.I rpc.statd
+will not run when
+.I rpcbind
+is masked.
+.PP
+.I idmapd
+is only needed for NFSv4, and even then is not needed when the client
+and server agree to use user-ids rather than user-names to identify the
+owners of files.  If
+.I idmapd
+is not needed and not wanted, it can be masked with
+.RS
+.B systemctl mask idmapd
+.RE
+.I rpc-gssd
+is assumed to be needed if the
+.I krb5.keytab
+file is present.  If a site needs this file present but does not want
+.I rpc-gssd
+running, it can be masked with
+.RS
+.B systemctl mask rpc-gssd
+.RE
+.SH FILES
+/etc/nfs.conf
+.br
+/etc/nfsmount.conf
+.br
+/etc/idmapd.conf
+.SH SEE ALSO
+.BR systemd.unit (5),
+.BR nfs.conf (5),
+.BR nfsmount.conf (5).
diff --git a/systemd/nfsdcld.service b/systemd/nfsdcld.service
new file mode 100644
index 0000000..a32d243
--- /dev/null
+++ b/systemd/nfsdcld.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=NFSv4 Client Tracking Daemon
+DefaultDependencies=no
+Conflicts=umount.target
+Requires=rpc_pipefs.target proc-fs-nfsd.mount
+After=rpc_pipefs.target proc-fs-nfsd.mount
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/nfsdcld
diff --git a/systemd/nfsv4-exportd.service b/systemd/nfsv4-exportd.service
new file mode 100644
index 0000000..11d663a
--- /dev/null
+++ b/systemd/nfsv4-exportd.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=NFSv4 Mount Daemon
+DefaultDependencies=no
+Requires=proc-fs-nfsd.mount
+Wants=network-online.target
+After=proc-fs-nfsd.mount
+After=network-online.target local-fs.target
+BindsTo=nfsv4-server.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/nfsv4.exportd
diff --git a/systemd/nfsv4-server.service b/systemd/nfsv4-server.service
new file mode 100644
index 0000000..6497568
--- /dev/null
+++ b/systemd/nfsv4-server.service
@@ -0,0 +1,31 @@
+[Unit]
+Description=NFSv4 server and services
+DefaultDependencies=no
+Requires=network.target proc-fs-nfsd.mount
+Requires=nfsv4-exportd.service
+Wants=network-online.target
+Wants=nfs-idmapd.service
+Wants=nfsdcld.service
+
+After=network-online.target local-fs.target
+After=proc-fs-nfsd.mount nfsv4-exportd.service
+After=nfs-idmapd.service
+After=nfsdcld.service
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service
+After=rpc-gssd.service gssproxy.service rpc-svcgssd.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStartPre=-/usr/sbin/exportfs -r
+ExecStart=/usr/sbin/rpc.nfsd -N 3
+ExecStop=/usr/sbin/rpc.nfsd 0
+ExecStopPost=/usr/sbin/exportfs -au
+ExecStopPost=/usr/sbin/exportfs -f
+
+ExecReload=-/usr/sbin/exportfs -r
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/proc-fs-nfsd.mount b/systemd/proc-fs-nfsd.mount
new file mode 100644
index 0000000..931a5ce
--- /dev/null
+++ b/systemd/proc-fs-nfsd.mount
@@ -0,0 +1,7 @@
+[Unit]
+Description=NFSD configuration filesystem
+
+[Mount]
+What=nfsd
+Where=/proc/fs/nfsd
+Type=nfsd
diff --git a/systemd/rpc-gssd.service.in b/systemd/rpc-gssd.service.in
new file mode 100644
index 0000000..6807db3
--- /dev/null
+++ b/systemd/rpc-gssd.service.in
@@ -0,0 +1,14 @@
+[Unit]
+Description=RPC security service for NFS client and server
+DefaultDependencies=no
+Conflicts=umount.target
+Requires=rpc_pipefs.target
+After=rpc_pipefs.target
+
+ConditionPathExists=@_sysconfdir@/krb5.keytab
+
+PartOf=nfs-utils.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.gssd
diff --git a/systemd/rpc-pipefs-generator.c b/systemd/rpc-pipefs-generator.c
new file mode 100644
index 0000000..3aaeaea
--- /dev/null
+++ b/systemd/rpc-pipefs-generator.c
@@ -0,0 +1,152 @@
+/*
+ * rpc-pipefs-generator:
+ *   systemd generator to create ordering dependencies between
+ *   nfs services and the rpc_pipefs mountpoint
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <mntent.h>
+
+#include "nfslib.h"
+#include "conffile.h"
+#include "systemd.h"
+
+#define RPC_PIPEFS_DEFAULT NFS_STATEDIR "/rpc_pipefs"
+
+static int generate_mount_unit(const char *pipefs_path, const char *pipefs_unit,
+			       const char *dirname)
+{
+	char	*path;
+	FILE	*f;
+	size_t size = (strlen(dirname) + 1 + strlen(pipefs_unit) + 1);
+
+	path = malloc(size);
+	if (!path)
+		return 1;
+	snprintf(path, size, "%s/%s", dirname, pipefs_unit);
+	f = fopen(path, "w");
+	if (!f)
+	{
+		free(path);
+		return 1;
+	}
+
+	fprintf(f, "# Automatically generated by rpc-pipefs-generator\n\n[Unit]\n");
+	fprintf(f, "Description=RPC Pipe File System\n");
+	fprintf(f, "DefaultDependencies=no\n");
+	fprintf(f, "After=systemd-tmpfiles-setup.service\n");
+	fprintf(f, "Conflicts=umount.target\n");
+	fprintf(f, "\n[Mount]\n");
+	fprintf(f, "What=sunrpc\n");
+	fprintf(f, "Where=%s\n", pipefs_path);
+	fprintf(f, "Type=rpc_pipefs\n");
+
+	fclose(f);
+	free(path);
+	return 0;
+}
+
+static
+int generate_target(char *pipefs_path, const char *dirname)
+{
+	char	*path;
+	char	filebase[] = "/rpc_pipefs.target";
+	char	*pipefs_unit;
+	FILE	*f;
+	int 	ret = 0;
+
+	pipefs_unit = systemd_escape(pipefs_path, ".mount");
+	if (!pipefs_unit)
+		return 1;
+
+	ret = generate_mount_unit(pipefs_path, pipefs_unit, dirname);
+	if (ret) {
+		free(pipefs_unit);
+		return ret;
+	}
+
+	path = malloc(strlen(dirname) + 1 + sizeof(filebase));
+	if (!path) {
+		free(pipefs_unit);
+		return 2;
+	}
+	sprintf(path, "%s", dirname);
+	mkdir(path, 0755);
+	strcat(path, filebase);
+	f = fopen(path, "w");
+	if (!f)
+	{
+		free(path);
+		free(pipefs_unit);
+		return 1;
+	}
+
+	fprintf(f, "# Automatically generated by rpc-pipefs-generator\n\n[Unit]\n");
+	fprintf(f, "Requires=%s\n", pipefs_unit);
+	fprintf(f, "After=%s\n", pipefs_unit);
+	fclose(f);
+	free(path);
+	free(pipefs_unit);
+
+	return 0;
+}
+
+static int is_non_pipefs_mountpoint(char *path)
+{
+	FILE		*mtab;
+	struct mntent	*mnt;
+
+	mtab = setmntent("/etc/mtab", "r");
+	if (!mtab)
+		return 0;
+
+	while ((mnt = getmntent(mtab)) != NULL) {
+		if (strlen(mnt->mnt_dir) != strlen(path))
+			continue;
+		if (strncmp(mnt->mnt_dir, path, strlen(mnt->mnt_dir)))
+			continue;
+		if (strncmp(mnt->mnt_type, "rpc_pipefs", strlen(mnt->mnt_type)))
+			break;
+	}
+	fclose(mtab);
+	return mnt != NULL;
+}
+
+int main(int argc, char *argv[])
+{
+	int 	ret;
+	char	*s;
+
+	/* Avoid using any external services */
+	xlog_syslog(0);
+
+	if (argc != 4 || argv[1][0] != '/') {
+		fprintf(stderr, "rpc-pipefs-generator: create systemd dependencies for nfs services\n");
+		fprintf(stderr, "Usage: normal-dir early-dir late-dir\n");
+		exit(1);
+	}
+
+	conf_init_file(NFS_CONFFILE);
+	s = conf_get_str("general", "pipefs-directory");
+	if (!s)
+		exit(0);
+	if (strlen(s) == strlen(RPC_PIPEFS_DEFAULT) &&
+			strcmp(s, RPC_PIPEFS_DEFAULT) == 0)
+		exit(0);
+
+	if (is_non_pipefs_mountpoint(s))
+		exit(1);
+
+	ret = generate_target(s, argv[1]);
+	exit(ret);
+}
diff --git a/systemd/rpc-statd-notify.service b/systemd/rpc-statd-notify.service
new file mode 100644
index 0000000..aad4c0d
--- /dev/null
+++ b/systemd/rpc-statd-notify.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=Notify NFS peers of a restart
+DefaultDependencies=no
+Wants=network-online.target
+After=local-fs.target network-online.target nss-lookup.target
+
+# if we run an nfs server, it needs to be running before we
+# tell clients that it has restarted.
+After=nfs-server.service
+
+PartOf=nfs-utils.service
+
+[Service]
+Type=forking
+ExecStart=-/usr/sbin/sm-notify
+RemainAfterExit=yes
diff --git a/systemd/rpc-statd.service b/systemd/rpc-statd.service
new file mode 100644
index 0000000..392750d
--- /dev/null
+++ b/systemd/rpc-statd.service
@@ -0,0 +1,17 @@
+[Unit]
+Description=NFS status monitor for NFSv2/3 locking.
+DefaultDependencies=no
+Conflicts=umount.target
+Requires=nss-lookup.target rpcbind.socket
+Wants=network-online.target
+Wants=rpc-statd-notify.service
+After=network-online.target nss-lookup.target rpcbind.service
+
+PartOf=nfs-utils.service
+IgnoreOnIsolate=yes
+
+[Service]
+Environment=RPC_STATD_NO_NOTIFY=1
+Type=forking
+PIDFile=/run/rpc.statd.pid
+ExecStart=/usr/sbin/rpc.statd
diff --git a/systemd/rpc-svcgssd.service b/systemd/rpc-svcgssd.service
new file mode 100644
index 0000000..cb2bcd4
--- /dev/null
+++ b/systemd/rpc-svcgssd.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=RPC security service for NFS server
+DefaultDependencies=no
+After=local-fs.target
+PartOf=nfs-server.service
+PartOf=nfs-utils.service
+
+After=gssproxy.service
+ConditionPathExists=|!/run/gssproxy.pid
+ConditionPathExists=|!/proc/net/rpc/use-gss-proxy
+ConditionPathExists=/etc/krb5.keytab
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.svcgssd
diff --git a/systemd/rpc_pipefs.target b/systemd/rpc_pipefs.target
new file mode 100644
index 0000000..01d4d27
--- /dev/null
+++ b/systemd/rpc_pipefs.target
@@ -0,0 +1,3 @@
+[Unit]
+Requires=var-lib-nfs-rpc_pipefs.mount
+After=var-lib-nfs-rpc_pipefs.mount
diff --git a/systemd/rpc_pipefs.target.in b/systemd/rpc_pipefs.target.in
new file mode 100644
index 0000000..332f62b
--- /dev/null
+++ b/systemd/rpc_pipefs.target.in
@@ -0,0 +1,3 @@
+[Unit]
+Requires=@_rpc_pipefsmount@
+After=@_rpc_pipefsmount@
diff --git a/systemd/systemd.c b/systemd/systemd.c
new file mode 100644
index 0000000..c7bdb4d
--- /dev/null
+++ b/systemd/systemd.c
@@ -0,0 +1,134 @@
+/*
+ * Helper functions for systemd generators in nfs-utils.
+ *
+ * Currently just systemd_escape().
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include "systemd.h"
+
+static const char hex[16] =
+{
+  '0', '1', '2', '3', '4', '5', '6', '7',
+  '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
+};
+
+/*
+ * determine length of the string that systemd_escape() needs to allocate
+ */
+static int systemd_len(char *path)
+{
+	char *p;
+	int len = 0;
+
+	p = path;
+	while (*p == '/')
+		/* multiple leading "/" are ignored */
+		p++;
+
+	if (!*p)
+		/* root directory "/" becomes is encoded as a single "-" */
+		return 1;
+
+	if (*p == '.')
+		/*
+		 * replace "." with "\x2d" escape sequence if
+		 * it's the first character in escaped path
+		 * */
+		len += 4;
+
+	while (*p) {
+		unsigned char c = *p++;
+
+		if (c == '/') {
+			/* multiple non-trailing slashes become '-' */
+			while (*p == '/')
+				p++;
+			if (*p)
+				len++;
+		} else if (isalnum(c) || c == ':' || c == '.' || c == '_')
+			/* these characters are not replaced */
+			len++;
+		else
+			/* replace with "\x2d" escape sequence */
+			len += 4;
+	}
+
+	return len;
+}
+
+/*
+ * convert c to "\x2d" escape sequence and append to string
+ * at position p, advancing p
+ */
+static char *hexify(unsigned char c, char *p)
+{
+	*p++ = '\\';
+	*p++ = 'x';
+	*p++ = hex[c >> 4];
+	*p++ = hex[c & 0xf];
+	return p;
+}
+
+/*
+ * convert a path to a unit name according to the logic in systemd.unit(5):
+ *
+ *     Basically, given a path, "/" is replaced by "-", and all other
+ *     characters which are not ASCII alphanumerics are replaced by C-style
+ *     "\x2d" escapes (except that "_" is never replaced and "." is only
+ *     replaced when it would be the first character in the escaped path).
+ *     The root directory "/" is encoded as single dash, while otherwise the
+ *     initial and ending "/" are removed from all paths during
+ *     transformation.
+ *
+ * NB: Although the systemd.unit(5) doesn't mention it, the ':' character
+ * is not escaped.
+ */
+char *systemd_escape(char *path, char *suffix)
+{
+	char *result;
+	char *p;
+	int len;
+
+	len = systemd_len(path);
+	result = malloc(len + strlen(suffix) + 1);
+	p = result;
+	while (*path == '/')
+		/* multiple leading "/" are ignored */
+		path++;
+	if (!*path) {
+		/* root directory "/" becomes is encoded as a single "-" */
+		*p++ = '-';
+		goto out;
+	}
+	if (*path == '.')
+		/*
+		 * replace "." with "\x2d" escape sequence if
+		 * it's the first character in escaped path
+		 * */
+		p = hexify(*path++, p);
+
+	while (*path) {
+		unsigned char c = *path++;
+
+		if (c == '/') {
+			/* multiple non-trailing slashes become '-' */
+			while (*path == '/')
+				path++;
+			if (*path)
+				*p++ = '-';
+		} else if (isalnum(c) || c == ':' || c == '.' || c == '_')
+			/* these characters are not replaced */
+			*p++ = c;
+		else
+			/* replace with "\x2d" escape sequence */
+			p = hexify(c, p);
+	}
+
+out:
+	sprintf(p, "%s", suffix);
+	return result;
+}
diff --git a/systemd/systemd.h b/systemd/systemd.h
new file mode 100644
index 0000000..25235ec
--- /dev/null
+++ b/systemd/systemd.h
@@ -0,0 +1,6 @@
+#ifndef SYSTEMD_H
+#define SYSTEMD_H
+
+char *systemd_escape(char *path, char *suffix);
+
+#endif /* SYSTEMD_H */
diff --git a/systemd/var-lib-nfs-rpc_pipefs.mount b/systemd/var-lib-nfs-rpc_pipefs.mount
new file mode 100644
index 0000000..26d1c76
--- /dev/null
+++ b/systemd/var-lib-nfs-rpc_pipefs.mount
@@ -0,0 +1,10 @@
+[Unit]
+Description=RPC Pipe File System
+DefaultDependencies=no
+After=systemd-tmpfiles-setup.service
+Conflicts=umount.target
+
+[Mount]
+What=sunrpc
+Where=/var/lib/nfs/rpc_pipefs
+Type=rpc_pipefs
diff --git a/systemd/var-lib-nfs-rpc_pipefs.mount.in b/systemd/var-lib-nfs-rpc_pipefs.mount.in
new file mode 100644
index 0000000..4c5d6ce
--- /dev/null
+++ b/systemd/var-lib-nfs-rpc_pipefs.mount.in
@@ -0,0 +1,10 @@
+[Unit]
+Description=RPC Pipe File System
+DefaultDependencies=no
+After=systemd-tmpfiles-setup.service
+Conflicts=umount.target
+
+[Mount]
+What=sunrpc
+Where=@_statedir@/rpc_pipefs
+Type=rpc_pipefs
diff --git a/test-driver b/test-driver
new file mode 100755
index 0000000..be73b80
--- /dev/null
+++ b/test-driver
@@ -0,0 +1,153 @@
+#! /bin/sh
+# test-driver - basic testsuite driver script.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 2011-2021 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+# Make unconditional expansion of undefined variables an error.  This
+# helps a lot in preventing typo-related bugs.
+set -u
+
+usage_error ()
+{
+  echo "$0: $*" >&2
+  print_usage >&2
+  exit 2
+}
+
+print_usage ()
+{
+  cat <<END
+Usage:
+  test-driver --test-name NAME --log-file PATH --trs-file PATH
+              [--expect-failure {yes|no}] [--color-tests {yes|no}]
+              [--enable-hard-errors {yes|no}] [--]
+              TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
+
+The '--test-name', '--log-file' and '--trs-file' options are mandatory.
+See the GNU Automake documentation for information.
+END
+}
+
+test_name= # Used for reporting.
+log_file=  # Where to save the output of the test script.
+trs_file=  # Where to save the metadata of the test run.
+expect_failure=no
+color_tests=no
+enable_hard_errors=yes
+while test $# -gt 0; do
+  case $1 in
+  --help) print_usage; exit $?;;
+  --version) echo "test-driver $scriptversion"; exit $?;;
+  --test-name) test_name=$2; shift;;
+  --log-file) log_file=$2; shift;;
+  --trs-file) trs_file=$2; shift;;
+  --color-tests) color_tests=$2; shift;;
+  --expect-failure) expect_failure=$2; shift;;
+  --enable-hard-errors) enable_hard_errors=$2; shift;;
+  --) shift; break;;
+  -*) usage_error "invalid option: '$1'";;
+   *) break;;
+  esac
+  shift
+done
+
+missing_opts=
+test x"$test_name" = x && missing_opts="$missing_opts --test-name"
+test x"$log_file"  = x && missing_opts="$missing_opts --log-file"
+test x"$trs_file"  = x && missing_opts="$missing_opts --trs-file"
+if test x"$missing_opts" != x; then
+  usage_error "the following mandatory options are missing:$missing_opts"
+fi
+
+if test $# -eq 0; then
+  usage_error "missing argument"
+fi
+
+if test $color_tests = yes; then
+  # Keep this in sync with 'lib/am/check.am:$(am__tty_colors)'.
+  red='' # Red.
+  grn='' # Green.
+  lgn='' # Light green.
+  blu='' # Blue.
+  mgn='' # Magenta.
+  std=''     # No color.
+else
+  red= grn= lgn= blu= mgn= std=
+fi
+
+do_exit='rm -f $log_file $trs_file; (exit $st); exit $st'
+trap "st=129; $do_exit" 1
+trap "st=130; $do_exit" 2
+trap "st=141; $do_exit" 13
+trap "st=143; $do_exit" 15
+
+# Test script is run here. We create the file first, then append to it,
+# to ameliorate tests themselves also writing to the log file. Our tests
+# don't, but others can (automake bug#35762).
+: >"$log_file"
+"$@" >>"$log_file" 2>&1
+estatus=$?
+
+if test $enable_hard_errors = no && test $estatus -eq 99; then
+  tweaked_estatus=1
+else
+  tweaked_estatus=$estatus
+fi
+
+case $tweaked_estatus:$expect_failure in
+  0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
+  0:*)   col=$grn res=PASS  recheck=no  gcopy=no;;
+  77:*)  col=$blu res=SKIP  recheck=no  gcopy=yes;;
+  99:*)  col=$mgn res=ERROR recheck=yes gcopy=yes;;
+  *:yes) col=$lgn res=XFAIL recheck=no  gcopy=yes;;
+  *:*)   col=$red res=FAIL  recheck=yes gcopy=yes;;
+esac
+
+# Report the test outcome and exit status in the logs, so that one can
+# know whether the test passed or failed simply by looking at the '.log'
+# file, without the need of also peaking into the corresponding '.trs'
+# file (automake bug#11814).
+echo "$res $test_name (exit status: $estatus)" >>"$log_file"
+
+# Report outcome to console.
+echo "${col}${res}${std}: $test_name"
+
+# Register the test result, and other relevant metadata.
+echo ":test-result: $res" > $trs_file
+echo ":global-test-result: $res" >> $trs_file
+echo ":recheck: $recheck" >> $trs_file
+echo ":copy-in-global-log: $gcopy" >> $trs_file
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..a199ce0
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,15 @@
+## Process this file with automake to produce Makefile.in
+
+check_PROGRAMS = statdb_dump
+statdb_dump_SOURCES = statdb_dump.c
+
+statdb_dump_LDADD = ../support/nfs/.libs/libnfs.a \
+		    ../support/nsm/libnsm.a \
+		    ../support/misc/libmisc.a $(LIBCAP)
+
+SUBDIRS = nsm_client
+
+MAINTAINERCLEANFILES = Makefile.in
+
+TESTS = t0001-statd-basic-mon-unmon.sh
+EXTRA_DIST = test-lib.sh $(TESTS)
diff --git a/tests/Makefile.in b/tests/Makefile.in
new file mode 100644
index 0000000..3252ccd
--- /dev/null
+++ b/tests/Makefile.in
@@ -0,0 +1,1183 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
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+	$(top_srcdir)/aclocal/libblkid.m4 \
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+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
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+
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+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-recursive
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-recursive
+		-rm -f ./$(DEPDIR)/statdb_dump.Po
+	-rm -f Makefile
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diff --git a/tests/nfsconf/01-errors.conf b/tests/nfsconf/01-errors.conf
new file mode 100644
index 0000000..ca64d2c
--- /dev/null
+++ b/tests/nfsconf/01-errors.conf
@@ -0,0 +1,20 @@
+# file of deliberate errors
+[default]
+
+
+[ one
+
+[ two " foo ]
+aa = foo
+
+[ three 
+val = none
+
+[four]
+one
+ = two
+three =
+four = foo = bar
+five = " nothing
+six = normal
+
diff --git a/tests/nfsconf/01-errors.exp b/tests/nfsconf/01-errors.exp
new file mode 100644
index 0000000..0b985b4
--- /dev/null
+++ b/tests/nfsconf/01-errors.exp
@@ -0,0 +1,13 @@
+nfsconf: config error at 01-errors.conf:5: non-matched ']', ignoring until next section
+nfsconf: config error at 01-errors.conf:7: non-matched '"', ignoring until next section
+nfsconf: config error at 01-errors.conf:10: non-matched ']', ignoring until next section
+nfsconf: config error at 01-errors.conf:11: ignoring line not in a section
+nfsconf: config error at 01-errors.conf:14: line not empty and not an assignment
+nfsconf: config error at 01-errors.conf:15: missing tag in assignment
+nfsconf: config error at 01-errors.conf:18: unmatched quotes
+[four]
+ four = foo = bar
+ six = normal
+
+[two]
+ aa = foo
diff --git a/tests/nfsconf/02-valid.conf b/tests/nfsconf/02-valid.conf
new file mode 100644
index 0000000..ca8ccab
--- /dev/null
+++ b/tests/nfsconf/02-valid.conf
@@ -0,0 +1,25 @@
+[environment]
+one = 1
+two = 2
+three = 3
+
+[section_one]
+one = 11
+two = 22
+three = $three
+ four   =   "six  "
+ five six = seven eight
+
+[section_two "two"]
+one = Un
+two = Dau
+include = "02-valid.sub"
+
+[section_two "one"]
+one = Un
+two = Deux
+
+[section_two "two"]
+four = Pedwar
+   five   =    " Pump "
+
diff --git a/tests/nfsconf/02-valid.exp b/tests/nfsconf/02-valid.exp
new file mode 100644
index 0000000..379d7a4
--- /dev/null
+++ b/tests/nfsconf/02-valid.exp
@@ -0,0 +1,26 @@
+[environment]
+ one = 1
+ three = 3
+ two = 2
+
+[extra_section]
+ bar = baz
+ foo = bar
+
+[section_one]
+ five six = seven eight
+ four = "six  "
+ one = 11
+ three = $three
+ two = 22
+
+[section_two "one"]
+ one = Un
+ two = Deux
+
+[section_two "two"]
+ five = " Pump "
+ four = Pedwar
+ one = Un
+ three = Tri
+ two = Dau
diff --git a/tests/nfsconf/02-valid.sub b/tests/nfsconf/02-valid.sub
new file mode 100644
index 0000000..ab7beda
--- /dev/null
+++ b/tests/nfsconf/02-valid.sub
@@ -0,0 +1,7 @@
+# Included configs don't need a section, it is inherited
+three=Tri
+
+# But if they do, that works also
+[extra_section]
+foo = bar
+bar = baz
diff --git a/tests/nsm_client/Makefile.am b/tests/nsm_client/Makefile.am
new file mode 100644
index 0000000..47fd728
--- /dev/null
+++ b/tests/nsm_client/Makefile.am
@@ -0,0 +1,48 @@
+## Process this file with automake to produce Makefile.in
+
+GENFILES_CLNT	= nlm_sm_inter_clnt.c
+GENFILES_SVC	= nlm_sm_inter_svc.c
+GENFILES_XDR	= nlm_sm_inter_xdr.c
+GENFILES_H	= nlm_sm_inter.h
+
+GENFILES	= $(GENFILES_CLNT) $(GENFILES_SVC) $(GENFILES_XDR) $(GENFILES_H)
+
+AM_CFLAGS += -Wno-missing-prototypes -Wno-missing-declarations
+
+EXTRA_DIST = nlm_sm_inter.x
+
+check_PROGRAMS	= nsm_client
+nsm_client_SOURCES = $(GENFILES) nsm_client.c
+
+BUILT_SOURCES = $(GENFILES)
+nsm_client_LDADD = ../../support/nfs/.libs/libnfs.a \
+		   ../../support/nsm/libnsm.a $(LIBCAP) $(LIBTIRPC)
+
+if CONFIG_RPCGEN
+RPCGEN	= $(top_builddir)/tools/rpcgen/rpcgen
+$(RPCGEN):
+	make -C ../../tools/rpcgen all
+else
+RPCGEN = @RPCGEN_PATH@
+endif
+
+$(GENFILES_CLNT): %_clnt.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
+
+$(GENFILES_SVC): %_svc.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -m -o $@ $<
+
+$(GENFILES_XDR): %_xdr.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+
+MAINTAINERCLEANFILES = Makefile.in
+
+CLEANFILES = $(GENFILES)
+
diff --git a/tests/nsm_client/Makefile.in b/tests/nsm_client/Makefile.in
new file mode 100644
index 0000000..f6f7834
--- /dev/null
+++ b/tests/nsm_client/Makefile.in
@@ -0,0 +1,744 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+VPATH = @srcdir@
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+		   ../../support/nsm/libnsm.a $(LIBCAP) $(LIBTIRPC)
+
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+@CONFIG_RPCGEN_TRUE@$(RPCGEN):
+@CONFIG_RPCGEN_TRUE@	make -C ../../tools/rpcgen all
+
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+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
+
+$(GENFILES_SVC): %_svc.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -m -o $@ $<
+
+$(GENFILES_XDR): %_xdr.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/nsm_client/README b/tests/nsm_client/README
new file mode 100644
index 0000000..85379dd
--- /dev/null
+++ b/tests/nsm_client/README
@@ -0,0 +1,12 @@
+The nsm_client program is intended for testing statd. It has the ability
+to act as a synthetic NSM client for sending artificial NSM calls to any
+host you choose.
+
+It also has an NLM simulator that implements the call that statd uses to
+communicate with lockd. The daemon simulator will start itself up,
+register as an NLM service and listen for "downcalls" from statd. When
+it gets one, it will log a message.
+
+Note that lockd will need to be down when using the daemon simulator. It
+also does not implement the entire NLM protocol and is only really
+useful for testing statd's downcall.
diff --git a/tests/nsm_client/nlm_sm_inter.x b/tests/nsm_client/nlm_sm_inter.x
new file mode 100644
index 0000000..95fa326
--- /dev/null
+++ b/tests/nsm_client/nlm_sm_inter.x
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, 1996.
+ * Modified by H.J. Lu, 1998.
+ * Modified by Jeff Layton, 2010.
+ *
+ * NLM similator for Linux
+ */
+
+#ifdef RPC_CLNT
+%#include <string.h>
+#endif
+
+/*
+ * statd rejects monitor registrations for any non-lockd services, so pretend
+ * to be lockd when testing. Furthermore, the only call we care about from
+ * statd is #16, which is the downcall to notify the kernel of a host's status
+ * change.
+ */
+program NLM_SM_PROG {
+	/* version 3 of the NLM protocol */
+	version NLM_SM_VERS3 {
+		void	 NLM_SM_NOTIFY(struct nlm_sm_notify) = 16;
+	} = 3;
+
+	/* version 2 of NLM protocol */
+	version NLM_SM_VERS4 {
+		void	 NLM_SM_NOTIFY(struct nlm_sm_notify) = 16;
+	} = 4;
+} = 100021;
+
+const  SM_MAXSTRLEN = 1024;
+const  SM_PRIV_SIZE = 16;
+
+/*
+ * structure of the status message sent back by the status monitor
+ * when monitor site status changes
+ */
+struct nlm_sm_notify {
+	string mon_name<SM_MAXSTRLEN>;
+	int state;
+	opaque priv[SM_PRIV_SIZE]; /* stored private information */
+};
diff --git a/tests/nsm_client/nsm_client.c b/tests/nsm_client/nsm_client.c
new file mode 100644
index 0000000..8dc0591
--- /dev/null
+++ b/tests/nsm_client/nsm_client.c
@@ -0,0 +1,465 @@
+/*
+ * nsm_client.c -- synthetic client and lockd simulator for testing statd
+ *
+ * Copyright (C) 2010  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Very loosely based on "simulator.c" in the statd directory. Original
+ * copyright for that program follows:
+ *
+ * Copyright (C) 1995-1997, 1999 Jeffrey A. Uphoff
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <getopt.h>
+#include <netdb.h>
+#include <signal.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+#include <rpcmisc.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "nfslib.h"
+#include "nfsrpc.h"
+#include "nsm.h"
+#include "sm_inter.h"
+#include "nlm_sm_inter.h"
+#include "sockaddr.h"
+#include "xcommon.h"
+
+static void daemon_simulator(void);
+static void sim_killer(int sig);
+static int nsm_client_crash(char *);
+static int nsm_client_mon(char *, char *, char *, char *, int, int);
+static int nsm_client_stat(char *, char *);
+static int nsm_client_notify(char *, char *, char *);
+static int nsm_client_unmon(char *, char *, char *, int, int);
+static int nsm_client_unmon_all(char *, char *, int, int);
+
+extern void nlm_sm_prog_4(struct svc_req *rqstp, register SVCXPRT *transp);
+extern void svc_exit(void);
+
+/*
+ * default to 15 retransmit interval, which seems to be the default for
+ * UDP clients w/ legacy glibc RPC
+ */
+static struct timeval retrans_interval =
+{
+	.tv_sec = 15,
+};
+
+static struct option longopts[] =
+{
+	{ "help", 0, 0, 'h' },
+	{ "host", 0, 0, 'H' },
+	{ "name", 1, 0, 'n' },
+	{ "program", 1, 0, 'P' },
+	{ "version", 1, 0, 'v' },
+	{ NULL, 0, 0, 0 },
+};
+
+static int
+usage(char *program)
+{
+	printf("Usage:\n");
+	printf("%s [options] <command> [arg]...\n", program);
+	printf("where command is one of these with the specified args:\n");
+	printf("crash\t\t\t\ttell host to simulate crash\n");
+	printf("daemon\t\t\t\t\tstart up lockd daemon simulator\n");
+	printf("notify <mon_name> <state>\tsend a reboot notification to host\n");
+	printf("stat <mon_name>\t\t\tget status of <mon_name> on host\n");
+	printf("unmon_all\t\t\ttell host to unmon everything\n");
+	printf("unmon <mon_name>\t\t\ttell host to unmon <mon_name>\n");
+	printf("mon <mon_name> <cookie>\t\ttell host to monitor <mon_name> with private <cookie>\n");
+	return 1;
+}
+
+static int
+hex2bin(char *dst, size_t dstlen, char *src)
+{
+	int i;
+	unsigned int tmp;
+
+	for (i = 0; *src && i < dstlen; i++) {
+		if (sscanf(src, "%2x", &tmp) != 1)
+			return 0;
+		dst[i] = tmp;
+		src++;
+		if (!*src)
+			break;
+		src++;
+	}
+
+	return 1;
+}
+
+static void
+bin2hex(char *dst, char *src, size_t srclen)
+{
+	int i;
+
+	for (i = 0; i < srclen; i++)
+		dst += sprintf(dst, "%02x", 0xff & src[i]);
+}
+
+int
+main(int argc, char **argv)
+{
+	int arg, err = 0;
+	int remaining_args;
+	char my_name[NI_MAXHOST], host[NI_MAXHOST];
+	char cookie[SM_PRIV_SIZE];
+	int my_prog = NLM_SM_PROG;
+	int my_vers = NLM_SM_VERS4;
+
+	my_name[0] = '\0';
+	host[0] = '\0';
+
+	while ((arg = getopt_long(argc, argv, "hHn:P:v:", longopts,
+				  NULL)) != EOF) {
+		switch (arg) {
+		case 'H':
+			strncpy(host, optarg, sizeof(host));
+		case 'n':
+			strncpy(my_name, optarg, sizeof(my_name));
+		case 'P':
+			my_prog = atoi(optarg);
+		case 'v':
+			my_vers = atoi(optarg);
+		}
+	}
+
+	remaining_args = argc - optind;
+	if (remaining_args <= 0)
+		usage(argv[0]);
+
+	if (!my_name[0])
+		gethostname(my_name, sizeof(my_name));
+	if (!host[0])
+		strncpy(host, "127.0.0.1", sizeof(host));
+
+	if (!strcasecmp(argv[optind], "daemon")) {
+		daemon_simulator();
+	} else if (!strcasecmp(argv[optind], "crash")) {
+		err = nsm_client_crash(host);
+	} else if (!strcasecmp(argv[optind], "stat")) {
+		if (remaining_args < 2)
+			usage(argv[0]);
+		err = nsm_client_stat(host, argv[optind + 2]);
+	} else if (!strcasecmp(argv[optind], "unmon_all")) {
+		err = nsm_client_unmon_all(host, my_name, my_prog, my_vers);
+	} else if (!strcasecmp(argv[optind], "unmon")) {
+		if (remaining_args < 2)
+			usage(argv[0]);
+		err = nsm_client_unmon(host, argv[optind + 1], my_name, my_prog,
+					my_vers);
+	} else if (!strcasecmp(argv[optind], "notify")) {
+		if (remaining_args < 2)
+			usage(argv[0]);
+		err = nsm_client_notify(host, argv[optind + 1],
+					argv[optind + 2]);
+	} else if (!strcasecmp(argv[optind], "mon")) {
+		if (remaining_args < 2)
+			usage(argv[0]);
+
+		memset(cookie, '\0', SM_PRIV_SIZE);
+		if (!hex2bin(cookie, sizeof(cookie), argv[optind + 2])) {
+			fprintf(stderr, "SYS:%d\n", EINVAL);
+			printf("Unable to convert hex cookie %s to binary.\n",
+				argv[optind + 2]);
+			return 1;
+		}
+
+		err = nsm_client_mon(host, argv[optind + 1], cookie, my_name,
+					my_prog, my_vers);
+	} else {
+		err = usage(argv[0]);
+	}
+
+	return err;
+}
+
+static CLIENT *
+nsm_client_get_rpcclient(const char *node)
+{
+	unsigned short		port;
+	struct addrinfo		*ai;
+	struct addrinfo		hints = { };
+	int			err;
+	CLIENT			*client = NULL;
+
+#ifndef IPV6_ENABLED
+	hints.ai_family	= AF_INET;
+#endif /* IPV6_ENABLED */
+
+	/* FIXME: allow support for providing port? */
+	err = getaddrinfo(node, NULL, &hints, &ai);
+	if (err) {
+		fprintf(stderr, "EAI:%d\n", err);
+		if (err == EAI_SYSTEM)
+			fprintf(stderr, "SYS:%d\n", errno);
+		printf("Unable to translate host to address: %s\n",
+			err == EAI_SYSTEM ? strerror(errno) :
+			gai_strerror(err));
+		return client;
+	}
+
+	/* FIXME: allow for TCP too? */
+	port = nfs_getport(ai->ai_addr, ai->ai_addrlen, SM_PROG,
+			   SM_VERS, IPPROTO_UDP);
+	if (!port) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("Unable to determine port for service\n");
+		goto out;
+	}
+
+	nfs_set_port(ai->ai_addr, port);
+
+	client = nfs_get_rpcclient(ai->ai_addr, ai->ai_addrlen, IPPROTO_UDP,
+				   SM_PROG, SM_VERS, &retrans_interval);
+	if (!client) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("RPC client creation failed\n");
+	}
+out:
+	nfs_freeaddrinfo(ai);
+	return client;
+}
+
+static int
+nsm_client_mon(char *calling, char *monitoring, char *cookie, char *my_name,
+		int my_prog, int my_vers)
+{
+	CLIENT *client;
+	sm_stat_res *result;
+	mon mon;
+	int err = 0;
+
+	printf("Calling %s (as %s) to monitor %s\n", calling, my_name,
+		monitoring);
+
+	if ((client = nsm_client_get_rpcclient(calling)) == NULL)
+		return 1;
+
+	memcpy(mon.priv, cookie, SM_PRIV_SIZE);
+	mon.mon_id.my_id.my_name = my_name;
+	mon.mon_id.my_id.my_prog = my_prog;
+	mon.mon_id.my_id.my_vers = my_vers;
+	mon.mon_id.my_id.my_proc = NLM_SM_NOTIFY;
+	mon.mon_id.mon_name = monitoring;
+
+	if (!(result = sm_mon_1(&mon, client))) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("%s\n", clnt_sperror(client, "sm_mon_1"));
+		err = 1;
+		goto mon_out;
+	}
+
+	printf("SM_MON request %s, state: %d\n",
+		result->res_stat == stat_succ ? "successful" : "failed",
+		result->state);
+
+	if (result->res_stat != stat_succ) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		err = 1;
+	}
+
+mon_out:
+	clnt_destroy(client);
+	return err;
+}
+
+static int
+nsm_client_unmon(char *calling, char *unmonitoring, char *my_name, int my_prog,
+		int my_vers)
+{
+	CLIENT *client;
+	sm_stat *result;
+	mon_id mon_id;
+	int err = 0;
+
+	printf("Calling %s (as %s) to unmonitor %s\n", calling, my_name,
+		unmonitoring);
+
+	if ((client = nsm_client_get_rpcclient(calling)) == NULL)
+		return 1;
+
+	mon_id.my_id.my_name = my_name;
+	mon_id.my_id.my_prog = my_prog;
+	mon_id.my_id.my_vers = my_vers;
+	mon_id.my_id.my_proc = NLM_SM_NOTIFY;
+	mon_id.mon_name = unmonitoring;
+
+	if (!(result = sm_unmon_1(&mon_id, client))) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("%s\n", clnt_sperror(client, "sm_unmon_1"));
+		err = 1;
+		goto unmon_out;
+	}
+
+	printf("SM_UNMON state: %d\n", result->state);
+
+unmon_out:
+	clnt_destroy(client);
+	return err;
+}
+
+static int
+nsm_client_unmon_all(char *calling, char *my_name, int my_prog, int my_vers)
+{
+	CLIENT *client;
+	sm_stat *result;
+	my_id my_id;
+	int err = 0;
+
+	printf("Calling %s (as %s) to unmonitor all hosts\n", calling, my_name);
+
+	if ((client = nsm_client_get_rpcclient(calling)) == NULL) {
+		printf("RPC client creation failed\n");
+		return 1;
+	}
+
+	my_id.my_name = my_name;
+	my_id.my_prog = my_prog;
+	my_id.my_vers = my_vers;
+	my_id.my_proc = NLM_SM_NOTIFY;
+
+	if (!(result = sm_unmon_all_1(&my_id, client))) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("%s\n", clnt_sperror(client, "sm_unmon_all_1"));
+		err = 1;
+		goto unmon_all_out;
+	}
+
+	printf("SM_UNMON_ALL state: %d\n", result->state);
+
+unmon_all_out:
+	return err;
+}
+
+static int
+nsm_client_crash(char *host)
+{
+	CLIENT *client;
+
+	if ((client = nsm_client_get_rpcclient(host)) == NULL)
+		return 1;
+
+	if (!sm_simu_crash_1(NULL, client)) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("%s\n", clnt_sperror(client, "sm_simu_crash_1"));
+		return 1;
+	}
+
+	return 0;
+}
+
+static int
+nsm_client_stat(char *calling, char *monitoring)
+{
+	CLIENT *client;
+	sm_name checking;
+	sm_stat_res *result;
+
+	if ((client = nsm_client_get_rpcclient(calling)) == NULL)
+		return 1;
+
+	checking.mon_name = monitoring;
+
+	if (!(result = sm_stat_1(&checking, client))) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("%s\n", clnt_sperror(client, "sm_stat_1"));
+		return 1;
+	}
+
+	if (result->res_stat != stat_succ) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("stat_fail from %s for %s, state: %d\n", calling,
+			monitoring, result->state);
+		return 1;
+	}
+
+	printf("stat_succ from %s for %s, state: %d\n", calling,
+		monitoring, result->state);
+
+	return 0;
+}
+
+static int
+nsm_client_notify(char *calling, char *mon_name, char *statestr)
+{
+	CLIENT *client;
+
+	stat_chge stat_chge = { .mon_name	= mon_name };
+
+	stat_chge.state = atoi(statestr);
+
+	if ((client = nsm_client_get_rpcclient(calling)) == NULL)
+		return 1;
+
+	if (!sm_notify_1(&stat_chge, client)) {
+		fprintf(stderr, "RPC:%d\n", rpc_createerr.cf_stat);
+		printf("%s\n", clnt_sperror(client, "sm_notify_1"));
+		return 1;
+	}
+
+	return 0;
+}
+
+static void sim_killer(int sig)
+{
+#ifdef HAVE_LIBTIRPC
+	(void) rpcb_unset(NLM_SM_PROG, NLM_SM_VERS4, NULL);
+#else
+	(void) pmap_unset(NLM_SM_PROG, NLM_SM_VERS4);
+#endif
+	exit(0);
+}
+
+static void daemon_simulator(void)
+{
+	signal(SIGHUP, sim_killer);
+	signal(SIGINT, sim_killer);
+	signal(SIGTERM, sim_killer);
+	/* FIXME: allow for different versions? */
+	nfs_svc_create("nlmsim", NLM_SM_PROG, NLM_SM_VERS4, nlm_sm_prog_4, 0);
+	svc_run();
+}
+
+void *nlm_sm_notify_4_svc(struct nlm_sm_notify *argp, struct svc_req *rqstp)
+{
+	static char *result;
+	char	    priv[SM_PRIV_SIZE * 2 + 1];
+
+	bin2hex(priv, argp->priv, SM_PRIV_SIZE);
+
+	printf("state=%d:mon_name=%s:private=%s\n", argp->state,
+		argp->mon_name, priv);
+	return (void *) &result;
+}
+
+void *nlm_sm_notify_3_svc(struct nlm_sm_notify *argp, struct svc_req *rqstp)
+{
+	return nlm_sm_notify_4_svc(argp, rqstp);
+}
diff --git a/tests/statdb_dump.c b/tests/statdb_dump.c
new file mode 100644
index 0000000..3ac12bf
--- /dev/null
+++ b/tests/statdb_dump.c
@@ -0,0 +1,100 @@
+/*
+ * statdb_dump.c -- dump contents of statd's monitor DB
+ *
+ * Copyright (C) 2010  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <arpa/inet.h>
+
+#include "nsm.h"
+#include "xlog.h"
+
+static char cookiebuf[(SM_PRIV_SIZE * 2) + 1];
+static char addrbuf[INET6_ADDRSTRLEN + 1];
+
+static unsigned int
+dump_host(const char *hostname, const struct sockaddr *sa, const struct mon *m,
+	  const time_t timestamp)
+{
+	int ret;
+	const char *addr;
+	const struct sockaddr_in *sin;
+	const struct sockaddr_in6 *sin6;
+
+	ret = nsm_priv_to_hex(m->priv, cookiebuf, sizeof(cookiebuf));
+	if (!ret) {
+		xlog(L_ERROR, "Unable to convert cookie to hex string.\n");
+		return ret;
+	}
+
+	switch (sa->sa_family) {
+	case AF_INET:
+		sin = (struct sockaddr_in *)(char *)sa;
+		addr = inet_ntop(sa->sa_family, &sin->sin_addr.s_addr, addrbuf,
+				 (socklen_t)sizeof(addrbuf));
+		break;
+	case AF_INET6:
+		sin6 = (struct sockaddr_in6 *)(char *)sa;
+		addr = inet_ntop(sa->sa_family, &sin6->sin6_addr, addrbuf,
+				 (socklen_t)sizeof(addrbuf));
+		break;
+	default:
+		xlog(L_ERROR, "Unrecognized address family: %hu\n",
+			sa->sa_family);
+		return 0;
+	}
+
+	if (addr == NULL) {
+		xlog(L_ERROR, "Unable to convert sockaddr to string: %s\n",
+				strerror(errno));
+		return 0;
+	}
+
+	/*
+	 * Callers of this program should assume that in the future, extra
+	 * fields may be added to the output. Anyone adding extra fields to
+	 * the output should add them to the end of the line.
+	 */
+	printf("%s %s %s %s %s %d %d %d\n",
+			hostname, addr, cookiebuf,
+			m->mon_id.mon_name,
+			m->mon_id.my_id.my_name,
+			m->mon_id.my_id.my_prog,
+			m->mon_id.my_id.my_vers,
+			m->mon_id.my_id.my_proc); 
+
+	return 1;
+}
+
+int
+main(int argc, char **argv)
+{
+	xlog_syslog(0);
+	xlog_stderr(1);
+	xlog_open(argv[0]);
+	
+	nsm_load_monitor_list(dump_host);
+	return 0;
+}
diff --git a/tests/t0001-statd-basic-mon-unmon.sh b/tests/t0001-statd-basic-mon-unmon.sh
new file mode 100755
index 0000000..e1065e7
--- /dev/null
+++ b/tests/t0001-statd-basic-mon-unmon.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+#
+# statd_basic_mon_unmon -- test basic mon/unmon functionality with statd
+#
+# Copyright (C) 2010  Red Hat, Jeff Layton <jlayton@redhat.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+#
+
+. ./test-lib.sh
+
+# This test needs root privileges and /dev/log
+check_root
+check_dev_log
+
+start_statd
+if [ $? -ne 0 ]; then
+	echo "FAIL: problem starting statd"
+	exit 1
+fi
+
+COOKIE=`echo $$ | md5sum | cut -d' ' -f1`
+MON_NAME=`hostname`
+
+nsm_client mon $MON_NAME $COOKIE
+if [ $? -ne 0 ]; then
+	echo "FAIL: mon failed"
+	kill_statd
+	exit 1
+fi
+
+statdb_dump | grep $MON_NAME | grep -q $COOKIE
+if [ $? -ne 0 ]; then
+	echo "FAIL: monitor DB doesn't seem to contain entry"
+	kill_statd
+	exit 1
+fi
+
+nsm_client unmon $MON_NAME
+if [ $? -ne 0 ]; then
+	echo "FAIL: unmon failed"
+	kill_statd
+	exit 1
+fi
+
+kill_statd
+
diff --git a/tests/t0002-nfsconf.sh b/tests/t0002-nfsconf.sh
new file mode 100755
index 0000000..511d248
--- /dev/null
+++ b/tests/t0002-nfsconf.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+TESTFILES=nfsconf
+DUMPER=`realpath ../tools/nfsconf/nfsconftool`
+
+BASEDIR=`dirname "$0"`
+pushd $BASEDIR/$TESTFILES
+
+rm -f *.out
+
+TCOUNT=0
+TPASS=0
+
+for i in *.conf
+do
+TNAME=`basename "$i" .conf`
+
+echo "Running test $TNAME"
+TCOUNT=$((TCOUNT + 1))
+
+if ! $DUMPER --file "$i" --dump - > "$TNAME.out" 2>&1
+then
+echo "Error running test $TNAME"
+elif ! diff -u "$TNAME.exp" "$TNAME.out"
+then
+echo "FAIL differences detected in test $TNAME"
+else
+echo "PASS $TNAME"
+TPASS=$((TPASS + 1))
+fi
+
+done
+
+echo "nfsconf tests complete. $TPASS of $TCOUNT tests passed"
+
+if [ $TPASS -lt $TCOUNT ]; then
+exit 1
+fi
diff --git a/tests/test-lib.sh b/tests/test-lib.sh
new file mode 100644
index 0000000..b62ac2a
--- /dev/null
+++ b/tests/test-lib.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+#
+# test-lib.sh -- library of functions for nfs-utils tests
+#
+# Copyright (C) 2010  Red Hat, Jeff Layton <jlayton@redhat.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+#
+
+# make sure $srcdir is set and sanity check it
+srcdir=${srcdir-.}
+if [ ! -d ${srcdir} ]; then
+	echo "***ERROR***: bad installation -- \$srcdir=${srcdir}"
+	exit 1
+fi
+
+export PATH=$PATH:${srcdir}:${srcdir}/nsm_client
+
+# Some tests require root privileges. Check for them and skip the test (exit 77)
+# if the caller doesn't have them.
+check_root() {
+	if [ $EUID -ne 0 ]; then
+		echo "*** Skipping this test as it requires root privs ***"
+		exit 77
+	fi
+}
+
+# Most tests require /dev/log. Skip the test if it doesn't exist in this
+# environment.
+check_dev_log() {
+	if ! [ -e /dev/log ]; then
+		echo "*** Skipping this tests as it requires /dev/log ***"
+		exit 77
+	fi
+}
+
+# is lockd registered as a service?
+lockd_registered() {
+	rpcinfo -p | grep -q nlockmgr
+	return $?
+}
+
+# start up statd
+start_statd() {
+	rpcinfo -u 127.0.0.1 status 1 &> /dev/null
+	if [ $? -eq 0 ]; then
+		echo "***ERROR***: statd is already running and should "
+		echo "             be down when starting this test"
+		return 1
+	fi
+	$srcdir/../utils/statd/statd --no-notify
+}
+
+# shut down statd
+kill_statd() {
+	kill `cat /run/rpc.statd.pid`
+}
diff --git a/tools/Makefile.am b/tools/Makefile.am
new file mode 100644
index 0000000..48fd0cd
--- /dev/null
+++ b/tools/Makefile.am
@@ -0,0 +1,21 @@
+## Process this file with automake to produce Makefile.in
+
+OPTDIRS =
+
+if CONFIG_RPCGEN
+OPTDIRS += rpcgen
+endif
+
+OPTDIRS += nfsconf
+
+if CONFIG_NFSDCLD
+OPTDIRS += nfsdclddb
+endif
+
+if CONFIG_NFSRAHEAD
+OPTDIRS += nfsrahead
+endif
+
+SUBDIRS = locktest rpcdebug nlmtest mountstats nfs-iostat rpcctl nfsdclnts $(OPTDIRS)
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/tools/Makefile.in b/tools/Makefile.in
new file mode 100644
index 0000000..bd9f73c
--- /dev/null
+++ b/tools/Makefile.in
@@ -0,0 +1,718 @@
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+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+kprefix = @kprefix@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+mountfile = @mountfile@
+nfsconfig = @nfsconfig@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+rpc_pipefsmount = @rpc_pipefsmount@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+startstatd = @startstatd@
+statdpath = @statdpath@
+statduser = @statduser@
+statedir = @statedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+unitdir = @unitdir@
+testlk_SOURCES = testlk.c
+testlk_CFLAGS = $(CFLAGS_FOR_BUILD)
+testlk_CPPFLAGS = $(CPPFLAGS_FOR_BUILD)
+testlk_LDFLAGS = $(LDFLAGS_FOR_BUILD)
+MAINTAINERCLEANFILES = Makefile.in
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu tools/locktest/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu tools/locktest/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+testlk$(EXEEXT): $(testlk_OBJECTS) $(testlk_DEPENDENCIES) $(EXTRA_testlk_DEPENDENCIES) 
+	@rm -f testlk$(EXEEXT)
+	$(AM_V_CCLD)$(testlk_LINK) $(testlk_OBJECTS) $(testlk_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testlk-testlk.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+testlk-testlk.o: testlk.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testlk_CPPFLAGS) $(CPPFLAGS) $(testlk_CFLAGS) $(CFLAGS) -MT testlk-testlk.o -MD -MP -MF $(DEPDIR)/testlk-testlk.Tpo -c -o testlk-testlk.o `test -f 'testlk.c' || echo '$(srcdir)/'`testlk.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/testlk-testlk.Tpo $(DEPDIR)/testlk-testlk.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='testlk.c' object='testlk-testlk.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testlk_CPPFLAGS) $(CPPFLAGS) $(testlk_CFLAGS) $(CFLAGS) -c -o testlk-testlk.o `test -f 'testlk.c' || echo '$(srcdir)/'`testlk.c
+
+testlk-testlk.obj: testlk.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testlk_CPPFLAGS) $(CPPFLAGS) $(testlk_CFLAGS) $(CFLAGS) -MT testlk-testlk.obj -MD -MP -MF $(DEPDIR)/testlk-testlk.Tpo -c -o testlk-testlk.obj `if test -f 'testlk.c'; then $(CYGPATH_W) 'testlk.c'; else $(CYGPATH_W) '$(srcdir)/testlk.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/testlk-testlk.Tpo $(DEPDIR)/testlk-testlk.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='testlk.c' object='testlk-testlk.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testlk_CPPFLAGS) $(CPPFLAGS) $(testlk_CFLAGS) $(CFLAGS) -c -o testlk-testlk.obj `if test -f 'testlk.c'; then $(CYGPATH_W) 'testlk.c'; else $(CYGPATH_W) '$(srcdir)/testlk.c'; fi`
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
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+install: install-am
+install-exec: install-exec-am
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+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/testlk-testlk.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
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+info: info-am
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+info-am:
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+
+install-ps: install-ps-am
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+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/testlk-testlk.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
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+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+pdf: pdf-am
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+ps: ps-am
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+ps-am:
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+uninstall-am:
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+.MAKE: install-am install-strip
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tools/locktest/testlk.c b/tools/locktest/testlk.c
new file mode 100644
index 0000000..ea51f78
--- /dev/null
+++ b/tools/locktest/testlk.c
@@ -0,0 +1,107 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#ifdef linux
+#include <getopt.h>
+#endif
+#include <fcntl.h>
+
+static void	usage(int exval);
+static void	fatal(char *);
+
+int
+main(int argc, char **argv)
+{
+	unsigned long	start = 0, len = 0;
+	struct flock	fl;
+	int		c, fd, cmd, typ;
+	char		*fname;
+
+	typ = F_RDLCK;
+	cmd = F_SETLK;
+
+	while ((c = getopt(argc, argv, "bhrtw")) != EOF) {
+		switch (c) {
+		case 'h':
+			usage(0);
+		case 'r':
+			cmd = F_SETLK;
+			typ = F_RDLCK;
+			break;
+		case 'w':
+			cmd = F_SETLK;
+			typ = F_WRLCK;
+			break;
+		case 'b':
+			cmd = F_SETLKW;
+			typ = F_WRLCK;
+			break;
+		case 't':
+			cmd = F_GETLK;
+			break;
+		case '?':
+			usage(1);
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc <= 0 || argc > 3)
+		usage(1);
+
+	fname = argv[0];
+	/* printf("TP\n"); */
+	if (argc > 1)
+		start = atoi(argv[1]);
+	/* printf("TP\n"); */
+	if (argc > 2)
+		len   = atoi(argv[2]);
+	/* printf("TP\n"); */
+
+	if ((fd = open(fname, O_RDWR, 0644)) < 0)
+		fatal(fname);
+
+	/* printf("TP1\n"); */
+	fl.l_type = typ;
+	fl.l_whence = 0;
+	fl.l_start = start;
+	fl.l_len = len;
+
+	if (fcntl(fd, cmd, &fl) < 0)
+		fatal("fcntl");
+	printf("fcntl: ok\n");
+	
+	/* printf("TP2\n"); */
+	if (cmd == F_GETLK) {
+		if (fl.l_type == F_UNLCK) {
+			printf("%s: no conflicting lock\n", fname);
+		} else {
+			printf("%s: conflicting lock by %d on (%zd;%zd)\n",
+				fname, fl.l_pid, fl.l_start, fl.l_len);
+		}
+		return 0;
+	}
+
+	/* printf("TP3\n"); */
+	pause();
+	return 0;
+}
+
+static void
+usage(int exval)
+{
+	fprintf(stderr, "usage: testlk filename [start [len]]\n");
+	exit(exval);
+}
+
+static void
+fatal(char *msg)
+{
+	perror(msg);
+	exit(2);
+}
diff --git a/tools/mountstats/Makefile.am b/tools/mountstats/Makefile.am
new file mode 100644
index 0000000..c2e9f99
--- /dev/null
+++ b/tools/mountstats/Makefile.am
@@ -0,0 +1,13 @@
+## Process this file with automake to produce Makefile.in
+PYTHON_FILES =  mountstats.py
+
+man8_MANS	= mountstats.man
+
+EXTRA_DIST	= $(man8_MANS) $(PYTHON_FILES)
+
+all-local: $(PYTHON_FILES)
+
+install-data-hook:
+	$(INSTALL) -m 755 mountstats.py $(DESTDIR)$(sbindir)/mountstats
+
+MAINTAINERCLEANFILES=Makefile.in
diff --git a/tools/mountstats/Makefile.in b/tools/mountstats/Makefile.in
new file mode 100644
index 0000000..79294bc
--- /dev/null
+++ b/tools/mountstats/Makefile.in
@@ -0,0 +1,621 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
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diff --git a/tools/mountstats/mountstats.man b/tools/mountstats/mountstats.man
new file mode 100644
index 0000000..d5595fc
--- /dev/null
+++ b/tools/mountstats/mountstats.man
@@ -0,0 +1,151 @@
+.\"
+.\" mountstats(8)
+.\"
+.TH mountstats 8 "12 Dec 2014"
+.SH NAME
+mountstats \- Displays various NFS client per-mount statistics
+.SH SYNOPSIS
+.B mountstats
+.RB [ \-h | \-\-help ]
+.RB [ \-v | \-\-version ]
+.RB [ \-f | \-\-file
+.IR infile ]
+.RB [ \-S | \-\-since
+.IR sincefile ]
+.\" .RB [ \-n | \-\-nfs | \-r | \-\-rpc | \-R | \-\-raw ]
+[
+.RB [ \-n | \-\-nfs ]
+|
+.RB [ \-r | \-\-rpc ]
+|
+.RB  [ \-R | \-\-raw ]
+|
+.RB  [ \-x | \-\-xprt ]
+]
+.RI [ mountpoint ] ...
+.P
+.B mountstats iostat
+.RB [ \-h | \-\-help ]
+.RB [ \-v | \-\-version ]
+.RB [ \-f | \-\-file
+.IR infile ]
+.RB [ \-S | \-\-since
+.IR sincefile ]
+.RI [ interval ]
+.RI [ count ]
+.RI [ mountpoint ] ...
+.P
+.B mountstats nfsstat
+.RB [ \-h | \-\-help ]
+.RB [ \-v | \-\-version ]
+.RB [ \-f | \-\-file
+.IR infile ]
+.RB [ \-S | \-\-since
+.IR sincefile ]
+.RB [ \-3 ]
+.RB [ \-4 ]
+.RI [ mountpoint ] ...
+.P
+.SH DESCRIPTION
+.RB "The " mountstats " command displays various NFS client statisitics for each given"
+.IR mountpoint .
+.P
+.RI "If no " mountpoint " is given, statistics will be displayed for all NFS mountpoints on the client."
+.SS Sub-commands
+Valid
+.BR mountstats (8)
+subcommands are:
+.IP "\fBmountstats\fP"
+Display a combination of per-op RPC statistics, NFS event counts, and NFS byte counts.  This is the default sub-command that will be executed if no sub-command is given.
+.IP "\fBiostat\fP"
+Display iostat-like statistics.
+.IP "\fBnfsstat\fP"
+Display nfsstat-like statistics.
+.SH OPTIONS
+.SS Options valid for all sub-commands
+.TP
+.B \-h, \-\-help
+show the help message and exit
+.TP
+.B \-v, \-\-version
+show program's version number and exit
+.TP
+\fB\-f \fIinfile\fR, \fB\-\-file \fIinfile
+Read stats from
+.I infile
+instead of 
+.IR /proc/self/mountstats ".  " infile
+must be in the same format as 
+.IR /proc/self/mountstats .
+This may be used with the
+.BR \-S | \-\-since
+options to display the delta between two different points in time.
+This may not be used with the
+.IR interval " or " count
+options of the
+.B iostat
+sub-command.
+.TP
+\fB\-S \fIsincefile\fR, \fB\-\-since \fIsincefile
+Show difference between current stats and those in
+.IR sincefile ".  " sincefile
+must be in the same format as 
+.IR /proc/self/mountstats .
+This may be used with the
+.BR \-f | \-\-file
+options to display the delta between two different points in time.
+This may not be used with the
+.IR interval " or " count
+options of the
+.B iostat
+sub-command.
+.SS Options specific to the mountstats sub-command
+.B \-n, \-\-nfs
+Display only the NFS statistics
+.TP
+.B \-r, \-\-rpc
+Display only the RPC statistics
+.TP
+.B \-R, \-\-raw
+Display only the raw statistics.  This is intended for use with the
+.BR \-f | \-\-file
+and
+.BR \-S | \-\-since
+options.
+.TP
+.B \-x, \-\-xprt
+Display only the transport statistics
+.SS Options specific to the iostat sub-command
+.IP "\fIinterval\fP"
+Specifies the amount of time in seconds between each report.  The first report contains statistics for the time since each file system was mounted.  Each subsequent report contains statistics collected during the interval since the previous report.  This may not be used with the
+.BR \-f | \-\-file
+or
+.BR \-S | \-\-since
+options.
+.P
+.IP "\fIcount\fP"
+Determines the number of reports generated at
+.I interval
+seconds apart.  If the
+.I interval
+parameter is specified without the
+.I count
+parameter, the command generates reports continuously.  This may not be used with the
+.BR \-f | \-\-file
+or
+.BR \-S | \-\-since 
+options.
+.SS Options specific to the nfsstat sub-command
+.IP "\fB\-3\fP"
+Show only NFS version 3 statistics.  The default is to show both version 3 and version 4 statistics.
+.IP "\fB\-4\fP"
+Show only NFS version 4 statistics.  The default is to show both version 3 and version 4 statistics.
+.SH FILES
+.TP
+.B /proc/self/mountstats
+.SH SEE ALSO
+.BR iostat (8),
+.BR nfsiostat (8),
+.BR nfsstat (8)
+.SH AUTHOR
+Chuck Lever <chuck.lever@oracle.com>
diff --git a/tools/mountstats/mountstats.py b/tools/mountstats/mountstats.py
new file mode 100755
index 0000000..8e129c8
--- /dev/null
+++ b/tools/mountstats/mountstats.py
@@ -0,0 +1,1145 @@
+#!/usr/bin/python3
+# -*- python-mode -*-
+"""Parse /proc/self/mountstats and display it in human readable form
+"""
+
+from __future__ import print_function
+import datetime as datetime
+
+__copyright__ = """
+Copyright (C) 2005, Chuck Lever <cel@netapp.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License version 2 as
+published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+MA 02110-1301 USA
+"""
+
+import sys, os, time
+from operator import itemgetter, add
+try:
+    import argparse
+except ImportError:
+    print('%s:  Failed to import argparse - make sure argparse is installed!'
+        % sys.argv[0])
+    sys.exit(1)
+
+Mountstats_version = '0.3'
+
+def difference(x, y):
+    """Used for a map() function
+    """
+    return x - y
+
+NfsEventCounters = [
+    'inoderevalidates',
+    'dentryrevalidates',
+    'datainvalidates',
+    'attrinvalidates',
+    'vfsopen',
+    'vfslookup',
+    'vfspermission',
+    'vfsupdatepage',
+    'vfsreadpage',
+    'vfsreadpages',
+    'vfswritepage',
+    'vfswritepages',
+    'vfsreaddir',
+    'vfssetattr',
+    'vfsflush',
+    'vfsfsync',
+    'vfslock',
+    'vfsrelease',
+    'congestionwait',
+    'setattrtrunc',
+    'extendwrite',
+    'sillyrenames',
+    'shortreads',
+    'shortwrites',
+    'delay',
+    'pnfsreads',
+    'pnfswrites'
+]
+
+NfsByteCounters = [
+    'normalreadbytes',
+    'normalwritebytes',
+    'directreadbytes',
+    'directwritebytes',
+    'serverreadbytes',
+    'serverwritebytes',
+    'readpages',
+    'writepages'
+]
+
+XprtUdpCounters = [
+    'port',
+    'bind_count',
+    'rpcsends',
+    'rpcreceives',
+    'badxids',
+    'inflightsends',
+    'backlogutil',
+    'maxslots',
+    'sendutil',
+    'pendutil'
+]
+
+XprtTcpCounters = [
+    'port',
+    'bind_count',
+    'connect_count',
+    'connect_time',
+    'idle_time',
+    'rpcsends',
+    'rpcreceives',
+    'badxids',
+    'inflightsends',
+    'backlogutil',
+    'maxslots',
+    'sendutil',
+    'pendutil'
+]
+
+XprtRdmaCounters = [
+    'port',
+    'bind_count',
+    'connect_count',
+    'connect_time',
+    'idle_time',
+    'rpcsends',
+    'rpcreceives',
+    'badxids',
+    'inflightsends',
+    'backlogutil',
+    'read_segments',
+    'write_segments',
+    'reply_segments',
+    'total_rdma_req',
+    'total_rdma_rep',
+    'pullup',
+    'fixup',
+    'hardway',
+    'failed_marshal',
+    'bad_reply',
+    'nomsg_calls',
+    'recovered_mrs',
+    'orphaned_mrs',
+    'allocated_mrs',
+    'local_invalidates',
+    'empty_sendctx_q',
+    'reply_waits_for_send',
+]
+
+Nfsv3ops = [
+    'NULL',
+    'GETATTR',
+    'SETATTR',
+    'LOOKUP',
+    'ACCESS',
+    'READLINK',
+    'READ',
+    'WRITE',
+    'CREATE',
+    'MKDIR',
+    'SYMLINK',
+    'MKNOD',
+    'REMOVE',
+    'RMDIR',
+    'RENAME',
+    'LINK',
+    'READDIR',
+    'READDIRPLUS',
+    'FSSTAT',
+    'FSINFO',
+    'PATHCONF',
+    'COMMIT'
+]
+
+# This list should be kept in-sync with the NFSPROC4_CLNT_* enum in
+# include/linux/nfs4.h in the kernel.
+Nfsv4ops = [
+    'NULL',
+    'READ',
+    'WRITE',
+    'COMMIT',
+    'OPEN',
+    'OPEN_CONFIRM',
+    'OPEN_NOATTR',
+    'OPEN_DOWNGRADE',
+    'CLOSE',
+    'SETATTR',
+    'FSINFO',
+    'RENEW',
+    'SETCLIENTID',
+    'SETCLIENTID_CONFIRM',
+    'LOCK',
+    'LOCKT',
+    'LOCKU',
+    'ACCESS',
+    'GETATTR',
+    'LOOKUP',
+    'LOOKUP_ROOT',
+    'REMOVE',
+    'RENAME',
+    'LINK',
+    'SYMLINK',
+    'CREATE',
+    'PATHCONF',
+    'STATFS',
+    'READLINK',
+    'READDIR',
+    'SERVER_CAPS',
+    'DELEGRETURN',
+    'GETACL',
+    'SETACL',
+    'FS_LOCATIONS',
+    'RELEASE_LOCKOWNER',
+    'SECINFO',
+    'FSID_PRESENT',
+    'EXCHANGE_ID',
+    'CREATE_SESSION',
+    'DESTROY_SESSION',
+    'SEQUENCE',
+    'GET_LEASE_TIME',
+    'RECLAIM_COMPLETE',
+    'LAYOUTGET',
+    'GETDEVICEINFO',
+    'LAYOUTCOMMIT',
+    'LAYOUTRETURN',
+    'SECINFO_NO_NAME',
+    'TEST_STATEID',
+    'FREE_STATEID',
+    'GETDEVICELIST',
+    'BIND_CONN_TO_SESSION',
+    'DESTROY_CLIENTID',
+    'SEEK',
+    'ALLOCATE',
+    'DEALLOCATE',
+    'LAYOUTSTATS',
+    'CLONE',
+    'COPY',
+    'OFFLOAD_CANCEL',
+    'LOOKUPP',
+    'LAYOUTERROR',
+    'COPY_NOTIFY'
+]
+
+class DeviceData:
+    """DeviceData objects provide methods for parsing and displaying
+    data for a single mount grabbed from /proc/self/mountstats
+    """
+    def __init__(self):
+        self.__nfs_data = dict()
+        self.__rpc_data = dict()
+        self.__rpc_data['ops'] = []
+
+    def __parse_nfs_line(self, words):
+        if words[0] == 'device':
+            self.__nfs_data['export'] = words[1]
+            self.__nfs_data['mountpoint'] = words[4]
+            self.__nfs_data['fstype'] = words[7]
+            if words[7].find('nfs') != -1 and words[7] != 'nfsd':
+                self.__nfs_data['statvers'] = words[8]
+        elif 'nfs' in words or 'nfs4' in words:
+            self.__nfs_data['export'] = words[0]
+            self.__nfs_data['mountpoint'] = words[3]
+            self.__nfs_data['fstype'] = words[6]
+            if words[6].find('nfs') != -1 and words[6] != 'nfsd':
+                self.__nfs_data['statvers'] = words[7]
+        elif words[0] == 'age:':
+            self.__nfs_data['age'] = int(words[1])
+        elif words[0] == 'opts:':
+            self.__nfs_data['mountoptions'] = ''.join(words[1:]).split(',')
+        elif words[0] == 'caps:':
+            self.__nfs_data['servercapabilities'] = ''.join(words[1:]).split(',')
+        elif words[0] == 'nfsv4:':
+            self.__nfs_data['nfsv4flags'] = ''.join(words[1:]).split(',')
+        elif words[0] == 'sec:':
+            keys = ''.join(words[1:]).split(',')
+            self.__nfs_data['flavor'] = int(keys[0].split('=')[1])
+            self.__nfs_data['pseudoflavor'] = 0
+            if self.__nfs_data['flavor'] == 6:
+                self.__nfs_data['pseudoflavor'] = int(keys[1].split('=')[1])
+        elif words[0] == 'events:':
+            i = 1
+            for key in NfsEventCounters:
+                try:
+                    self.__nfs_data[key] = int(words[i])
+                except IndexError as err:
+                    self.__nfs_data[key] = 0
+                i += 1
+        elif words[0] == 'bytes:':
+            i = 1
+            for key in NfsByteCounters:
+                self.__nfs_data[key] = int(words[i])
+                i += 1
+
+    def __parse_rpc_line(self, words):
+        if words[0] == 'RPC':
+            self.__rpc_data['statsvers'] = float(words[3])
+            self.__rpc_data['programversion'] = words[5]
+        elif words[0] == 'xprt:':
+            self.__rpc_data['protocol'] = words[1]
+            if words[1] == 'udp':
+                i = 2
+                for key in XprtUdpCounters:
+                    if i < len(words):
+                        self.__rpc_data[key] = int(words[i])
+                    i += 1
+            elif words[1] == 'tcp':
+                i = 2
+                for key in XprtTcpCounters:
+                    if i < len(words):
+                        self.__rpc_data[key] = int(words[i])
+                    i += 1
+            elif words[1] == 'rdma':
+                i = 2
+                for key in XprtRdmaCounters:
+                    if i < len(words):
+                        self.__rpc_data[key] = int(words[i])
+                    i += 1
+        elif words[0] == 'per-op':
+            self.__rpc_data['per-op'] = words
+        else:
+            op = words[0][:-1]
+            self.__rpc_data['ops'] += [op]
+            self.__rpc_data[op] = [int(word) for word in words[1:]]
+            if len(self.__rpc_data[op]) < 9:
+                self.__rpc_data[op] += [0]
+
+    def parse_stats(self, lines):
+        """Turn a list of lines from a mount stat file into a 
+        dictionary full of stats, keyed by name
+        """
+        found = False
+        for line in lines:
+            words = line.split()
+            if len(words) == 0:
+                continue
+            if (not found and words[0] != 'RPC'):
+                self.__parse_nfs_line(words)
+                continue
+
+            found = True
+            self.__parse_rpc_line(words)
+
+    def is_nfs_mountpoint(self):
+        """Return True if this is an NFS or NFSv4 mountpoint,
+        otherwise return False
+        """
+        if self.__nfs_data['fstype'] == 'nfs':
+            return True
+        elif self.__nfs_data['fstype'] == 'nfs4':
+            return True
+        return False
+
+    def nfs_version(self):
+        if self.is_nfs_mountpoint():
+            prog, vers = self.__rpc_data['programversion'].split('/')
+            return int(vers)
+
+    def display_raw_stats(self):
+        """Prints out stats in the same format as /proc/self/mountstats
+        """
+        print('device %s mounted on %s with fstype %s %s' % \
+            (self.__nfs_data['export'], self.__nfs_data['mountpoint'], \
+            self.__nfs_data['fstype'], self.__nfs_data['statvers']))
+        print('\topts:\t%s' % ','.join(self.__nfs_data['mountoptions']))
+        print('\tage:\t%d' % self.__nfs_data['age'])
+        print('\tcaps:\t%s' % ','.join(self.__nfs_data['servercapabilities']))
+        print('\tsec:\tflavor=%d,pseudoflavor=%d' % (self.__nfs_data['flavor'], \
+            self.__nfs_data['pseudoflavor']))
+        print('\tevents:\t%s' % " ".join([str(self.__nfs_data[key]) for key in NfsEventCounters]))
+        print('\tbytes:\t%s' % " ".join([str(self.__nfs_data[key]) for key in NfsByteCounters]))
+        print('\tRPC iostats version: %1.1f p/v: %s (nfs)' % (self.__rpc_data['statsvers'], \
+            self.__rpc_data['programversion']))
+        if self.__rpc_data['protocol'] == 'udp':
+            print('\txprt:\tudp %s' % " ".join([str(self.__rpc_data[key]) for key in XprtUdpCounters]))
+        elif self.__rpc_data['protocol'] == 'tcp':
+            print('\txprt:\ttcp %s' % " ".join([str(self.__rpc_data[key]) for key in XprtTcpCounters]))
+        elif self.__rpc_data['protocol'] == 'rdma':
+            print('\txprt:\trdma %s' % " ".join([str(self.__rpc_data[key]) for key in XprtRdmaCounters]))
+        else:
+            raise Exception('Unknown RPC transport protocol %s' % self.__rpc_data['protocol'])
+        print('\tper-op statistics')
+        prog, vers = self.__rpc_data['programversion'].split('/')
+        if vers == '3':
+            for op in Nfsv3ops:
+                print('\t%12s: %s' % (op, " ".join(str(x) for x in self.__rpc_data[op])))
+        elif vers == '4':
+            for op in Nfsv4ops:
+                try:
+                    print('\t%12s: %s' % (op, " ".join(str(x) for x in self.__rpc_data[op])))
+                except KeyError:
+                    continue
+        else:
+            print('\tnot implemented for version %d' % vers)
+        print()
+
+    def display_stats_header(self):
+        print('Stats for %s mounted on %s:' % \
+            (self.__nfs_data['export'], self.__nfs_data['mountpoint']))
+        print()
+
+    def display_nfs_options(self):
+        """Pretty-print the NFS options
+        """
+        print('  NFS mount options: %s' % ','.join(self.__nfs_data['mountoptions']))
+        print('  NFS mount age: %s' % datetime.timedelta(seconds = self.__nfs_data['age']))
+        print('  NFS server capabilities: %s' % ','.join(self.__nfs_data['servercapabilities']))
+        if 'nfsv4flags' in self.__nfs_data:
+            print('  NFSv4 capability flags: %s' % ','.join(self.__nfs_data['nfsv4flags']))
+        if 'pseudoflavor' in self.__nfs_data:
+            print('  NFS security flavor: %d  pseudoflavor: %d' % \
+                (self.__nfs_data['flavor'], self.__nfs_data['pseudoflavor']))
+        else:
+            print('  NFS security flavor: %d' % self.__nfs_data['flavor'])
+
+    def display_nfs_events(self):
+        """Pretty-print the NFS event counters
+        """
+        print()
+        print('Cache events:')
+        print('  data cache invalidated %d times' % self.__nfs_data['datainvalidates'])
+        print('  attribute cache invalidated %d times' % self.__nfs_data['attrinvalidates'])
+        print()
+        print('VFS calls:')
+        print('  VFS requested %d inode revalidations' % self.__nfs_data['inoderevalidates'])
+        print('  VFS requested %d dentry revalidations' % self.__nfs_data['dentryrevalidates'])
+        print()
+        print('  VFS called nfs_readdir() %d times' % self.__nfs_data['vfsreaddir'])
+        print('  VFS called nfs_lookup() %d times' % self.__nfs_data['vfslookup'])
+        print('  VFS called nfs_permission() %d times' % self.__nfs_data['vfspermission'])
+        print('  VFS called nfs_file_open() %d times' % self.__nfs_data['vfsopen'])
+        print('  VFS called nfs_file_flush() %d times' % self.__nfs_data['vfsflush'])
+        print('  VFS called nfs_lock() %d times' % self.__nfs_data['vfslock'])
+        print('  VFS called nfs_fsync() %d times' % self.__nfs_data['vfsfsync'])
+        print('  VFS called nfs_file_release() %d times' % self.__nfs_data['vfsrelease'])
+        print()
+        print('VM calls:')
+        print('  VFS called nfs_readpage() %d times' % self.__nfs_data['vfsreadpage'])
+        print('  VFS called nfs_readpages() %d times' % self.__nfs_data['vfsreadpages'])
+        print('  VFS called nfs_writepage() %d times' % self.__nfs_data['vfswritepage'])
+        print('  VFS called nfs_writepages() %d times' % self.__nfs_data['vfswritepages'])
+        print()
+        print('Generic NFS counters:')
+        print('  File size changing operations:')
+        print('    truncating SETATTRs: %d  extending WRITEs: %d' % \
+            (self.__nfs_data['setattrtrunc'], self.__nfs_data['extendwrite']))
+        print('  %d silly renames' % self.__nfs_data['sillyrenames'])
+        print('  short reads: %d  short writes: %d' % \
+            (self.__nfs_data['shortreads'], self.__nfs_data['shortwrites']))
+        print('  NFSERR_DELAYs from server: %d' % self.__nfs_data['delay'])
+        print('  pNFS READs: %d' % self.__nfs_data['pnfsreads'])
+        print('  pNFS WRITEs: %d' % self.__nfs_data['pnfswrites'])
+
+    def display_nfs_bytes(self):
+        """Pretty-print the NFS event counters
+        """
+        print()
+        print('NFS byte counts:')
+        print('  applications read %d bytes via read(2)' % self.__nfs_data['normalreadbytes'])
+        print('  applications wrote %d bytes via write(2)' % self.__nfs_data['normalwritebytes'])
+        print('  applications read %d bytes via O_DIRECT read(2)' % self.__nfs_data['directreadbytes'])
+        print('  applications wrote %d bytes via O_DIRECT write(2)' % self.__nfs_data['directwritebytes'])
+        print('  client read %d bytes via NFS READ' % self.__nfs_data['serverreadbytes'])
+        print('  client wrote %d bytes via NFS WRITE' % self.__nfs_data['serverwritebytes'])
+
+    def display_rpc_generic_stats(self):
+        """Pretty-print the generic RPC stats
+        """
+        sends = self.__rpc_data['rpcsends']
+
+        print('RPC statistics:')
+
+        print('  %d RPC requests sent, %d RPC replies received (%d XIDs not found)' % \
+            (sends, self.__rpc_data['rpcreceives'], self.__rpc_data['badxids']))
+        if sends != 0:
+            print('  average backlog queue length: %d' % \
+                (float(self.__rpc_data['backlogutil']) / sends))
+
+    def display_rpc_op_stats(self):
+        """Pretty-print the per-op stats
+        """
+        sends = self.__rpc_data['rpcsends']
+
+        allstats = []
+        for op in self.__rpc_data['ops']:
+            allstats.append([op] + self.__rpc_data[op])
+
+        print()
+        for stats in sorted(allstats, key=itemgetter(1), reverse=True):
+            count = stats[1]
+            if count != 0:
+                print('%s:' % stats[0])
+                ops_pcnt = 0
+                if sends != 0:
+                    ops_pcnt = (count * 100) / sends
+                print('\t%d ops (%d%%)' % \
+                    (count, ops_pcnt), end=' ')
+                retrans = stats[2] - count
+                if retrans != 0:
+                    print('\t%d retrans (%d%%)' % (retrans, ((retrans * 100) / count)), end=' ')
+                    print('\t%d major timeouts' % stats[3], end='')
+                if len(stats) >= 10 and stats[9] != 0:
+                    print('\t%d errors (%d%%)' % (stats[9], ((stats[9] * 100) / count)))
+                else:
+                    print('')
+                print('\tavg bytes sent per op: %d\tavg bytes received per op: %d' % \
+                    (stats[4] / count, stats[5] / count))
+                print('\tbacklog wait: %f' % (float(stats[6]) / count), end=' ')
+                print('\tRTT: %f' % (float(stats[7]) / count), end=' ')
+                print('\ttotal execute time: %f (milliseconds)' % \
+                    (float(stats[8]) / count))
+
+    def client_rpc_stats(self):
+        """Tally high-level rpc stats for the nfsstat command
+        """
+        sends = 0
+        trans = 0
+        authrefrsh = 0
+        for op in self.__rpc_data['ops']:
+            sends += self.__rpc_data[op][0]
+            trans += self.__rpc_data[op][1]
+        retrans = trans - sends
+        # authrefresh stats don't actually get captured in
+        # /proc/self/mountstats, so we fudge it here
+        authrefrsh = sends
+        return (sends, retrans, authrefrsh)
+
+    def display_nfsstat_stats(self):
+        """Pretty-print nfsstat-style stats
+        """
+        sends = 0
+        for op in self.__rpc_data['ops']:
+            sends += self.__rpc_data[op][0]
+        if sends == 0:
+            return
+        print()
+        vers = self.nfs_version()
+        print('Client nfs v%d' % vers)
+        info = []
+        for op in self.__rpc_data['ops']:
+            print('%-13s' % str.lower(op)[:12], end='')
+            count = self.__rpc_data[op][0]
+            pct = (count * 100) / sends
+            info.append((count, pct))
+            if (self.__rpc_data['ops'].index(op) + 1) % 6 == 0:
+                print()
+                for (count, pct) in info:
+                    print('%-8u%3u%% ' % (count, pct), end='')
+                print()
+                info = []
+        print()
+        if len(info) > 0:
+            for (count, pct) in info:
+                print('%-8u%3u%% ' % (count, pct), end='')
+            print()
+
+    def compare_iostats(self, old_stats):
+        """Return the difference between two sets of stats
+        """
+        if old_stats.__nfs_data['age'] > self.__nfs_data['age']:
+            return self
+
+        result = DeviceData()
+        protocol = self.__rpc_data['protocol']
+
+        # copy self into result
+        for key, value in self.__nfs_data.items():
+            result.__nfs_data[key] = value
+        for key, value in self.__rpc_data.items():
+            result.__rpc_data[key] = value
+
+        # compute the difference of each item in the list
+        # note the copy loop above does not copy the lists, just
+        # the reference to them.  so we build new lists here
+        # for the result object.
+        for op in result.__rpc_data['ops']:
+            try:
+                result.__rpc_data[op] = list(map(difference, self.__rpc_data[op], old_stats.__rpc_data[op]))
+            except KeyError:
+                continue
+
+        # update the remaining keys
+        if protocol == 'udp':
+            for key in XprtUdpCounters:
+                result.__rpc_data[key] -= old_stats.__rpc_data[key]
+        elif protocol == 'tcp':
+            for key in XprtTcpCounters:
+                result.__rpc_data[key] -= old_stats.__rpc_data[key]
+        elif protocol == 'rdma':
+            for key in XprtRdmaCounters:
+                result.__rpc_data[key] -= old_stats.__rpc_data[key]
+        result.__nfs_data['age'] -= old_stats.__nfs_data['age']
+        for key in NfsEventCounters:
+            result.__nfs_data[key] -= old_stats.__nfs_data[key]
+        for key in NfsByteCounters:
+            result.__nfs_data[key] -= old_stats.__nfs_data[key]
+        return result
+
+    def setup_accumulator(self, ops):
+        """Initialize a DeviceData instance to tally stats for all mountpoints
+        with the same major version. This is for the nfsstat command.
+        """
+        if ops == Nfsv3ops:
+            self.__rpc_data['programversion'] = '100003/3'
+            self.__nfs_data['fstype'] = 'nfs'
+        elif ops == Nfsv4ops:
+            self.__rpc_data['programversion'] = '100003/4'
+            self.__nfs_data['fstype'] = 'nfs4'
+        self.__rpc_data['ops'] = ops
+        for op in ops:
+            self.__rpc_data[op] = [0 for i in range(9)]
+
+    def accumulate_iostats(self, new_stats):
+        """Accumulate counters from all RPC op buckets in new_stats.  This is
+        for the nfsstat command.
+        """
+        for op in new_stats.__rpc_data['ops']:
+            try:
+                self.__rpc_data[op] = list(map(add, self.__rpc_data[op], new_stats.__rpc_data[op]))
+            except KeyError:
+                continue
+
+    def __print_rpc_op_stats(self, op, sample_time):
+        """Print generic stats for one RPC op
+        """
+        if op not in self.__rpc_data:
+            return
+
+        rpc_stats = self.__rpc_data[op]
+        ops = float(rpc_stats[0])
+        retrans = float(rpc_stats[1] - rpc_stats[0])
+        kilobytes = float(rpc_stats[3] + rpc_stats[4]) / 1024
+        queued_for = float(rpc_stats[5])
+        rtt = float(rpc_stats[6])
+        exe = float(rpc_stats[7])
+        if len(rpc_stats) >= 9:
+            errs = int(rpc_stats[8])
+
+        # prevent floating point exceptions
+        if ops != 0:
+            kb_per_op = kilobytes / ops
+            retrans_percent = (retrans * 100) / ops
+            rtt_per_op = rtt / ops
+            exe_per_op = exe / ops
+            queued_for_per_op = queued_for / ops
+            if len(rpc_stats) >= 9:
+                errs_percent = (errs * 100) / ops
+        else:
+            kb_per_op = 0.0
+            retrans_percent = 0.0
+            rtt_per_op = 0.0
+            exe_per_op = 0.0
+            queued_for_per_op = 0.0
+            errs_percent = 0.0
+
+        op += ':'
+        print(format(op.lower(), '<16s'), end='')
+        print(format('ops/s', '>8s'), end='')
+        print(format('kB/s', '>16s'), end='')
+        print(format('kB/op', '>16s'), end='')
+        print(format('retrans', '>16s'), end='')
+        print(format('avg RTT (ms)', '>16s'), end='')
+        print(format('avg exe (ms)', '>16s'), end='')
+        print(format('avg queue (ms)', '>16s'), end='')
+        if len(rpc_stats) >= 9:
+            print(format('errors', '>16s'), end='')
+        print()
+
+        print(format((ops / sample_time), '>24.3f'), end='')
+        print(format((kilobytes / sample_time), '>16.3f'), end='')
+        print(format(kb_per_op, '>16.3f'), end='')
+        retransmits = '{0:>10.0f} ({1:>3.1f}%)'.format(retrans, retrans_percent).strip()
+        print(format(retransmits, '>16'), end='')
+        print(format(rtt_per_op, '>16.3f'), end='')
+        print(format(exe_per_op, '>16.3f'), end='')
+        print(format(queued_for_per_op, '>16.3f'), end='')
+        if len(rpc_stats) >= 9:
+            errors = '{0:>10.0f} ({1:>3.1f}%)'.format(errs, errs_percent).strip()
+            print(format(errors, '>16'), end='')
+        print()
+
+    def display_iostats(self, sample_time):
+        """Display NFS and RPC stats in an iostat-like way
+        """
+        sends = float(self.__rpc_data['rpcsends'])
+        if sample_time == 0:
+            sample_time = float(self.__nfs_data['age'])
+        #  sample_time could still be zero if the export was just mounted.
+        #  Set it to 1 to avoid divide by zero errors in this case since we'll
+        #  likely still have relevant mount statistics to show.
+        #
+        if sample_time == 0:
+            sample_time = 1;
+        if sends != 0:
+            backlog = (float(self.__rpc_data['backlogutil']) / sends) / sample_time
+        else:
+            backlog = 0.0
+
+        print()
+        print('%s mounted on %s:' % \
+            (self.__nfs_data['export'], self.__nfs_data['mountpoint']))
+        print()
+
+        print(format('ops/s', '>16') + format('rpc bklog', '>16'))
+        print(format((sends / sample_time), '>16.3f'), end='')
+        print(format(backlog, '>16.3f'))
+        print()
+
+        self.__print_rpc_op_stats('READ', sample_time)
+        self.__print_rpc_op_stats('WRITE', sample_time)
+        sys.stdout.flush()
+
+    def display_xprt_stats(self):
+        """Pretty-print the xprt statistics
+        """
+        if self.__rpc_data['protocol'] == 'udp':
+            print('\tTransport protocol: udp')
+            print('\tSource port: %d' % self.__rpc_data['port'])
+            print('\tBind count: %d' % self.__rpc_data['bind_count'])
+            print('\tRPC requests: %d' % self.__rpc_data['rpcsends'])
+            print('\tRPC replies: %d' % self.__rpc_data['rpcreceives'])
+            print('\tXIDs not found: %d' % self.__rpc_data['badxids'])
+            print('\tMax slots: %d' % self.__rpc_data['maxslots'])
+            if self.__rpc_data['rpcsends'] != 0:
+                print('\tAvg backlog length: %d' % \
+                    (float(self.__rpc_data['backlogutil']) / self.__rpc_data['rpcsends']))
+                print('\tAvg send queue length: %d' % \
+                    (float(self.__rpc_data['sendutil']) / self.__rpc_data['rpcsends']))
+                print('\tAvg pending queue length: %d' % \
+                    (float(self.__rpc_data['pendutil']) / self.__rpc_data['rpcsends']))
+        elif self.__rpc_data['protocol'] == 'tcp':
+            print('\tTransport protocol: tcp')
+            print('\tSource port: %d' % self.__rpc_data['port'])
+            print('\tBind count: %d' % self.__rpc_data['bind_count'])
+            print('\tConnect count: %d' % self.__rpc_data['connect_count'])
+            print('\tConnect time: %d seconds' % self.__rpc_data['connect_time'])
+            print('\tIdle time: %d seconds' % self.__rpc_data['idle_time'])
+            print('\tRPC requests: %d' % self.__rpc_data['rpcsends'])
+            print('\tRPC replies: %d' % self.__rpc_data['rpcreceives'])
+            print('\tXIDs not found: %d' % self.__rpc_data['badxids'])
+            print('\tMax slots: %d' % self.__rpc_data['maxslots'])
+            if self.__rpc_data['rpcsends'] != 0:
+                print('\tAvg backlog length: %d' % \
+                    (float(self.__rpc_data['backlogutil']) / self.__rpc_data['rpcsends']))
+                print('\tAvg send queue length: %d' % \
+                    (float(self.__rpc_data['sendutil']) / self.__rpc_data['rpcsends']))
+                print('\tAvg pending queue length: %d' % \
+                    (float(self.__rpc_data['pendutil']) / self.__rpc_data['rpcsends']))
+        elif self.__rpc_data['protocol'] == 'rdma':
+            print('\tTransport protocol: rdma')
+            print('\tConnect count: %d' % self.__rpc_data['connect_count'])
+            print('\tConnect time: %d seconds' % self.__rpc_data['connect_time'])
+            print('\tIdle time: %d seconds' % self.__rpc_data['idle_time'])
+            sends = self.__rpc_data['rpcsends']
+            print('\tRPC requests: %d' % self.__rpc_data['rpcsends'])
+            print('\tRPC replies: %d' % self.__rpc_data['rpcreceives'])
+            print('\tXIDs not found: %d' % self.__rpc_data['badxids'])
+            if self.__rpc_data['rpcsends'] != 0:
+                print('\tAvg backlog length: %d' % \
+                    (float(self.__rpc_data['backlogutil']) / self.__rpc_data['rpcsends']))
+            print('\tRead segments: %d' % self.__rpc_data['read_segments'])
+            print('\tWrite segments: %d' % self.__rpc_data['write_segments'])
+            print('\tReply segments: %d' % self.__rpc_data['reply_segments'])
+            print('\tRegistered: %d bytes' % self.__rpc_data['total_rdma_req'])
+            print('\tRDMA received: %d bytes' % self.__rpc_data['total_rdma_rep'])
+            print('\tTotal pull-up: %d bytes' % self.__rpc_data['pullup'])
+            print('\tTotal fix-up: %d bytes' % self.__rpc_data['fixup'])
+            print('\tHardway allocations: %d bytes' % self.__rpc_data['hardway'])
+            print('\tFailed marshals: %d' % self.__rpc_data['failed_marshal'])
+            print('\tBad replies: %d' % self.__rpc_data['bad_reply'])
+
+            """ Counters not present in all kernels """
+            if 'nomsg_calls' in self.__rpc_data:
+                print('\tRDMA_NOMSG calls: %d' % self.__rpc_data['nomsg_calls'])
+            if 'allocated_mrs' in self.__rpc_data:
+                print('\tAllocated MRs: %d' % self.__rpc_data['allocated_mrs'])
+            if 'recovered_mrs' in self.__rpc_data:
+                print('\tRecovered MRs: %d' % self.__rpc_data['recovered_mrs'])
+            if 'orphaned_mrs' in self.__rpc_data:
+                print('\tOrphaned MRs: %d' % self.__rpc_data['orphaned_mrs'])
+            if 'local_invalidates' in self.__rpc_data:
+                print('\tLocal Invalidates needed: %d' % self.__rpc_data['local_invalidates'])
+            if 'empty_sendctx_q' in self.__rpc_data:
+                print('\tEmpty sendctx queue count: %d' % self.__rpc_data['empty_sendctx_q'])
+            if 'reply_waits_for_send' in self.__rpc_data:
+                print('\tReplies that waited for Send completion: %d' % self.__rpc_data['reply_waits_for_send'])
+        else:
+            raise Exception('Unknown RPC transport protocol %s' % self.__rpc_data['protocol'])
+
+def parse_stats_file(f):
+    """pop the contents of a mountstats file into a dictionary,
+    keyed by mount point.  each value object is a list of the
+    lines in the mountstats file corresponding to the mount
+    point named in the key.
+    """
+    ms_dict = dict()
+    key = ''
+
+    f.seek(0)
+    for line in f.readlines():
+        words = line.split()
+        if len(words) == 0:
+            continue
+        if words[0] == 'device':
+            key = words[4]
+            new = [ line.strip() ]
+        elif 'nfs' in words or 'nfs4' in words:
+            key = words[3]
+            new = [ line.strip() ]
+        else:
+            new += [ line.strip() ]
+        ms_dict[key] = new
+
+    return ms_dict
+
+def print_mountstats(stats, nfs_only, rpc_only, raw, xprt_only):
+    if nfs_only:
+       stats.display_stats_header()
+       stats.display_nfs_options()
+       stats.display_nfs_events()
+       stats.display_nfs_bytes()
+    elif rpc_only:
+       stats.display_stats_header()
+       stats.display_rpc_generic_stats()
+       stats.display_rpc_op_stats()
+    elif raw:
+       stats.display_raw_stats()
+    elif xprt_only:
+       stats.display_stats_header()
+       stats.display_xprt_stats()
+    else:
+       stats.display_stats_header()
+       stats.display_nfs_options()
+       stats.display_nfs_bytes()
+       stats.display_rpc_generic_stats()
+       stats.display_rpc_op_stats()
+    print()
+
+def mountstats_command(args):
+    """Mountstats command
+    """
+    mountstats = parse_stats_file(args.infile)
+    mountpoints = [os.path.normpath(mp) for mp in args.mountpoints]
+
+    # make certain devices contains only NFS mount points
+    if len(mountpoints) > 0:
+        check = []
+        for device in mountpoints:
+            stats = DeviceData()
+            try:
+                stats.parse_stats(mountstats[device])
+                if stats.is_nfs_mountpoint():
+                    check += [device]
+            except KeyError:
+                continue
+        mountpoints = check
+    else:
+        for device, descr in mountstats.items():
+            stats = DeviceData()
+            stats.parse_stats(descr)
+            if stats.is_nfs_mountpoint():
+                mountpoints += [device]
+    if len(mountpoints) == 0:
+        print('No NFS mount points were found')
+        return 1
+
+    if args.since:
+        old_mountstats = parse_stats_file(args.since)
+
+    for mp in mountpoints:
+        stats = DeviceData()
+        stats.parse_stats(mountstats[mp])
+        if not args.since:
+            print_mountstats(stats, args.nfs_only, args.rpc_only, args.raw, args.xprt_only)
+        elif args.since and mp not in old_mountstats:
+            print_mountstats(stats, args.nfs_only, args.rpc_only, args.raw, args.xprt_only)
+        else:
+            old_stats = DeviceData()
+            old_stats.parse_stats(old_mountstats[mp])
+            diff_stats = stats.compare_iostats(old_stats)
+            print_mountstats(diff_stats, args.nfs_only, args.rpc_only, args.raw, args.xprt_only)
+
+    args.infile.close()
+    if args.since:
+        args.since.close()
+    return 0
+
+def nfsstat_command(args):
+    """nfsstat-like command for NFS mount points
+    """
+    mountstats = parse_stats_file(args.infile)
+    mountpoints = [os.path.normpath(mp) for mp in args.mountpoints]
+    v3stats = DeviceData()
+    v3stats.setup_accumulator(Nfsv3ops)
+    v4stats = DeviceData()
+    v4stats.setup_accumulator(Nfsv4ops)
+
+    # ensure stats get printed if neither v3 nor v4 was specified
+    if args.show_v3 or args.show_v4:
+        show_both = False
+    else:
+        show_both = True
+
+    # make certain devices contains only NFS mount points
+    if len(mountpoints) > 0:
+        check = []
+        for device in mountpoints:
+            stats = DeviceData()
+            try:
+                stats.parse_stats(mountstats[device])
+                if stats.is_nfs_mountpoint():
+                    check += [device]
+            except KeyError:
+                continue
+        mountpoints = check
+    else:
+        for device, descr in mountstats.items():
+            stats = DeviceData()
+            stats.parse_stats(descr)
+            if stats.is_nfs_mountpoint():
+                mountpoints += [device]
+    if len(mountpoints) == 0:
+        print('No NFS mount points were found')
+        return 1
+
+    if args.since:
+        old_mountstats = parse_stats_file(args.since)
+
+    for mp in mountpoints:
+        stats = DeviceData()
+        stats.parse_stats(mountstats[mp])
+        vers = stats.nfs_version()
+
+        if not args.since:
+            acc_stats = stats
+        elif args.since and mp not in old_mountstats:
+            acc_stats = stats
+        else:
+            old_stats = DeviceData()
+            old_stats.parse_stats(old_mountstats[mp])
+            acc_stats = stats.compare_iostats(old_stats)
+
+        if vers == 3 and (show_both or args.show_v3):
+           v3stats.accumulate_iostats(acc_stats)
+        elif vers == 4 and (show_both or args.show_v4):
+           v4stats.accumulate_iostats(acc_stats)
+
+    sends, retrans, authrefrsh = map(add, v3stats.client_rpc_stats(), v4stats.client_rpc_stats())
+    print('Client rpc stats:')
+    print('calls      retrans    authrefrsh')
+    print('%-11u%-11u%-11u' % (sends, retrans, authrefrsh))
+
+    if show_both or args.show_v3:
+        v3stats.display_nfsstat_stats()
+    if show_both or args.show_v4:
+        v4stats.display_nfsstat_stats()
+
+    args.infile.close()
+    if args.since:
+        args.since.close()
+    return 0
+
+def print_iostat_summary(old, new, devices, time):
+    for device in devices:
+        stats = DeviceData()
+        stats.parse_stats(new[device])
+        if not old or device not in old:
+            stats.display_iostats(time)
+        else:
+            if ("fstype autofs" not in str(old[device])) and ("fstype autofs" not in str(new[device])):
+                old_stats = DeviceData()
+                old_stats.parse_stats(old[device])
+                diff_stats = stats.compare_iostats(old_stats)
+                diff_stats.display_iostats(time)
+
+def iostat_command(args):
+    """iostat-like command for NFS mount points
+    """
+    mountstats = parse_stats_file(args.infile)
+    devices = [os.path.normpath(mp) for mp in args.mountpoints]
+
+    if args.since:
+        old_mountstats = parse_stats_file(args.since)
+    else:
+        old_mountstats = None
+
+    # make certain devices contains only NFS mount points
+    if len(devices) > 0:
+        check = []
+        for device in devices:
+            stats = DeviceData()
+            try:
+                stats.parse_stats(mountstats[device])
+                if stats.is_nfs_mountpoint():
+                    check += [device]
+            except KeyError:
+                continue
+        devices = check
+    else:
+        for device, descr in mountstats.items():
+            stats = DeviceData()
+            stats.parse_stats(descr)
+            if stats.is_nfs_mountpoint():
+                devices += [device]
+    if len(devices) == 0:
+        print('No NFS mount points were found')
+        return 1
+
+    sample_time = 0
+
+    if args.interval is None:
+        print_iostat_summary(old_mountstats, mountstats, devices, sample_time)
+        return
+
+    if args.count is not None:
+        count = args.count
+        while count != 0:
+            print_iostat_summary(old_mountstats, mountstats, devices, sample_time)
+            old_mountstats = mountstats
+            time.sleep(args.interval)
+            sample_time = args.interval
+            mountstats = parse_stats_file(args.infile)
+            count -= 1
+    else: 
+        while True:
+            print_iostat_summary(old_mountstats, mountstats, devices, sample_time)
+            old_mountstats = mountstats
+            time.sleep(args.interval)
+            sample_time = args.interval
+            mountstats = parse_stats_file(args.infile)
+
+    args.infile.close()
+    if args.since:
+        args.since.close()
+    return 0
+
+class ICMAction(argparse.Action):
+    """Custom action to deal with interval, count, and mountpoints.
+    """
+    def __call__(self, parser, namespace, values, option_string=None):
+        if namespace.mountpoints is None:
+            namespace.mountpoints = []
+        if values is None:
+            return
+        elif (type(values) == type([])):
+            for value in values:
+                self._handle_one(namespace, value)
+        else:
+            self._handle_one(namespace, values)
+
+    def _handle_one(self, namespace, value):
+        try:
+            intval = int(value)
+            if namespace.infile.name != '/proc/self/mountstats':
+                raise argparse.ArgumentError(self, "not allowed with argument -f/--file or -S/--since")
+            self._handle_int(namespace, intval)
+        except ValueError:
+            namespace.mountpoints.append(value)
+
+    def _handle_int(self, namespace, value):
+        if namespace.interval is None:
+            namespace.interval = value
+        elif namespace.count is None:
+            namespace.count = value
+        else:
+            raise argparse.ArgumentError(self, "too many integer arguments")
+
+def main():
+    parser = argparse.ArgumentParser(epilog='For specific sub-command help, '
+        'run \'mountstats SUB-COMMAND -h|--help\'')
+    subparsers = parser.add_subparsers(help='sub-command help')
+
+    common_parser = argparse.ArgumentParser(add_help=False)
+    common_parser.add_argument('-v', '--version', action='version',
+        version='mountstats ' + Mountstats_version)
+    common_parser.add_argument('-f', '--file', default=open('/proc/self/mountstats', 'r'),
+        type=argparse.FileType('r'), dest='infile',
+        help='Read stats from %(dest)s instead of /proc/self/mountstats')
+    common_parser.add_argument('-S', '--since', type=argparse.FileType('r'),
+        metavar='SINCEFILE',
+        help='Show difference between current stats and those in SINCEFILE')
+
+    mountstats_parser = subparsers.add_parser('mountstats',
+        parents=[common_parser],
+        help='Display a combination of per-op RPC statistics, NFS event counts, and NFS byte counts. '
+            'This is the default sub-command if no sub-command is given.')
+    group = mountstats_parser.add_mutually_exclusive_group()
+    group.add_argument('-n', '--nfs', action='store_true', dest='nfs_only',
+        help='Display only the NFS statistics')
+    group.add_argument('-r', '--rpc', action='store_true', dest='rpc_only',
+        help='Display only the RPC statistics')
+    group.add_argument('-R', '--raw', action='store_true',
+        help='Display only the raw statistics')
+    group.add_argument('-x', '--xprt', action='store_true', dest='xprt_only',
+        help='Display only the xprt statistics')
+    # The mountpoints argument cannot be moved into the common_parser because
+    # it will screw up the parsing of the iostat arguments (interval and count)
+    mountstats_parser.add_argument('mountpoints', nargs='*', metavar='mountpoint',
+        help='Display statistics for this mountpoint. More than one may be specified. '
+            'If absent, statistics for all NFS mountpoints will be generated.')
+    mountstats_parser.set_defaults(func=mountstats_command)
+
+    nfsstat_parser = subparsers.add_parser('nfsstat',
+        parents=[common_parser],
+        help='Display nfsstat-like statistics.')
+    nfsstat_parser.add_argument('-3', action='store_true', dest='show_v3',
+        help='Show NFS version 3 statistics')
+    nfsstat_parser.add_argument('-4', action='store_true', dest='show_v4',
+        help='Show NFS version 4 statistics')
+    # The mountpoints argument cannot be moved into the common_parser because
+    # it will screw up the parsing of the iostat arguments (interval and count)
+    nfsstat_parser.add_argument('mountpoints', nargs='*', metavar='mountpoint',
+        help='Display statistics for this mountpoint. More than one may be specified. '
+            'If absent, statistics for all NFS mountpoints will be generated.')
+    nfsstat_parser.set_defaults(func=nfsstat_command)
+
+    iostat_parser = subparsers.add_parser('iostat',
+        parents=[common_parser],
+        help='Display iostat-like statistics.')
+    iostat_parser.add_argument('interval', nargs='?', action=ICMAction,
+        help='Number of seconds between reports. If absent, only one report will '
+            'be generated.')
+    iostat_parser.add_argument('count', nargs='?', action=ICMAction,
+        help='Number of reports generated at <interval> seconds apart. If absent, '
+            'reports will be generated continuously.')
+    # The mountpoints argument cannot be moved into the common_parser because
+    # it will screw up the parsing of the iostat arguments (interval and count)
+    iostat_parser.add_argument('mountpoints', nargs='*', action=ICMAction, metavar='mountpoint',
+        help='Display statsistics for this mountpoint. More than one may be specified. '
+            'If absent, statistics for all NFS mountpoints will be generated.')
+    iostat_parser.set_defaults(func=iostat_command)
+ 
+    args = parser.parse_args()
+    return args.func(args)
+
+try:
+    if __name__ == '__main__':
+        # Run the mounstats sub-command if no sub-command (or the help flag)
+        # is given.  If the argparse module ever gets support for optional
+        # (default) sub-commands, then this can be changed.
+        if len(sys.argv) == 1:
+            sys.argv.insert(1, 'mountstats')
+        elif sys.argv[1] not in ['-h', '--help', 'mountstats', 'iostat', 'nfsstat']:
+            sys.argv.insert(1, 'mountstats')
+        res = main()
+        sys.stdout.close()
+        sys.stderr.close()
+        sys.exit(res)
+except (KeyboardInterrupt, RuntimeError):
+    sys.exit(1)
+except IOError:
+    pass
+
diff --git a/tools/nfs-iostat/Makefile.am b/tools/nfs-iostat/Makefile.am
new file mode 100644
index 0000000..3ae0f29
--- /dev/null
+++ b/tools/nfs-iostat/Makefile.am
@@ -0,0 +1,13 @@
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+
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+
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+
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+
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diff --git a/tools/nfs-iostat/Makefile.in b/tools/nfs-iostat/Makefile.in
new file mode 100644
index 0000000..fc02eb6
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+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man8dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man8dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man8dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man8dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man8:
+	@$(NORMAL_UNINSTALL)
+	@list='$(man8_MANS)'; test -n "$(man8dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man8dir)'; $(am__uninstall_files_from_dir)
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(MANS) all-local
+installdirs:
+	for dir in "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
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+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
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+.MAKE: install-am install-data-am install-strip
+
+.PHONY: all all-am all-local check check-am clean clean-generic \
+	clean-libtool cscopelist-am ctags-am distclean \
+	distclean-generic distclean-libtool distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-data-hook install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags-am uninstall uninstall-am uninstall-man uninstall-man8
+
+.PRECIOUS: Makefile
+
+
+all-local: $(PYTHON_FILES)
+
+install-data-hook:
+	$(INSTALL) -m 755 nfs-iostat.py $(DESTDIR)$(sbindir)/nfsiostat
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tools/nfs-iostat/nfs-iostat.py b/tools/nfs-iostat/nfs-iostat.py
new file mode 100755
index 0000000..85294fb
--- /dev/null
+++ b/tools/nfs-iostat/nfs-iostat.py
@@ -0,0 +1,678 @@
+#!/usr/bin/python3
+# -*- python-mode -*-
+"""Emulate iostat for NFS mount points using /proc/self/mountstats
+"""
+
+from __future__ import print_function
+
+__copyright__ = """
+Copyright (C) 2005, Chuck Lever <cel@netapp.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License version 2 as
+published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+MA 02110-1301 USA
+"""
+
+import sys, os, time
+from optparse import OptionParser, OptionGroup
+
+Iostats_version = '0.2'
+
+def difference(x, y):
+    """Used for a map() function
+    """
+    return x - y
+
+NfsEventCounters = [
+    'inoderevalidates',
+    'dentryrevalidates',
+    'datainvalidates',
+    'attrinvalidates',
+    'vfsopen',
+    'vfslookup',
+    'vfspermission',
+    'vfsupdatepage',
+    'vfsreadpage',
+    'vfsreadpages', # or vfsreadahead in statvers=1.2 or above
+    'vfswritepage',
+    'vfswritepages',
+    'vfsreaddir',
+    'vfssetattr',
+    'vfsflush',
+    'vfsfsync',
+    'vfslock',
+    'vfsrelease',
+    'congestionwait',
+    'setattrtrunc',
+    'extendwrite',
+    'sillyrenames',
+    'shortreads',
+    'shortwrites',
+    'delay'
+]
+
+NfsByteCounters = [
+    'normalreadbytes',
+    'normalwritebytes',
+    'directreadbytes',
+    'directwritebytes',
+    'serverreadbytes',
+    'serverwritebytes',
+    'readpages',
+    'writepages'
+]
+
+class DeviceData:
+    """DeviceData objects provide methods for parsing and displaying
+    data for a single mount grabbed from /proc/self/mountstats
+    """
+    def __init__(self):
+        self.__nfs_data = dict()
+        self.__rpc_data = dict()
+        self.__rpc_data['ops'] = []
+
+    def __parse_nfs_line(self, words):
+        if words[0] == 'device':
+            self.__nfs_data['export'] = words[1]
+            self.__nfs_data['mountpoint'] = words[4]
+            self.__nfs_data['fstype'] = words[7]
+            if words[7] == 'nfs' or words[7] == 'nfs4':
+                self.__nfs_data['statvers'] = float(words[8].split('=',1)[1])
+        elif 'nfs' in words or 'nfs4' in words:
+            self.__nfs_data['export'] = words[0]
+            self.__nfs_data['mountpoint'] = words[3]
+            self.__nfs_data['fstype'] = words[6]
+            if words[6] == 'nfs':
+                self.__nfs_data['statvers'] = float(words[7].split('=',1)[1])
+        elif words[0] == 'age:':
+            self.__nfs_data['age'] = int(words[1])
+        elif words[0] == 'opts:':
+            self.__nfs_data['mountoptions'] = ''.join(words[1:]).split(',')
+        elif words[0] == 'caps:':
+            self.__nfs_data['servercapabilities'] = ''.join(words[1:]).split(',')
+        elif words[0] == 'nfsv4:':
+            self.__nfs_data['nfsv4flags'] = ''.join(words[1:]).split(',')
+        elif words[0] == 'sec:':
+            keys = ''.join(words[1:]).split(',')
+            self.__nfs_data['flavor'] = int(keys[0].split('=')[1])
+            self.__nfs_data['pseudoflavor'] = 0
+            if self.__nfs_data['flavor'] == 6:
+                self.__nfs_data['pseudoflavor'] = int(keys[1].split('=')[1])
+        elif words[0] == 'events:':
+            i = 1
+            for key in NfsEventCounters:
+                self.__nfs_data[key] = int(words[i])
+                i += 1
+        elif words[0] == 'bytes:':
+            i = 1
+            for key in NfsByteCounters:
+                self.__nfs_data[key] = int(words[i])
+                i += 1
+
+    def __parse_rpc_line(self, words):
+        if words[0] == 'RPC':
+            self.__rpc_data['statsvers'] = float(words[3])
+            self.__rpc_data['programversion'] = words[5]
+        elif words[0] == 'xprt:':
+            self.__rpc_data['protocol'] = words[1]
+            if words[1] == 'udp':
+                self.__rpc_data['port'] = int(words[2])
+                self.__rpc_data['bind_count'] = int(words[3])
+                self.__rpc_data['rpcsends'] = int(words[4])
+                self.__rpc_data['rpcreceives'] = int(words[5])
+                self.__rpc_data['badxids'] = int(words[6])
+                self.__rpc_data['inflightsends'] = int(words[7])
+                self.__rpc_data['backlogutil'] = int(words[8])
+            elif words[1] == 'tcp':
+                self.__rpc_data['port'] = words[2]
+                self.__rpc_data['bind_count'] = int(words[3])
+                self.__rpc_data['connect_count'] = int(words[4])
+                self.__rpc_data['connect_time'] = int(words[5])
+                self.__rpc_data['idle_time'] = int(words[6])
+                self.__rpc_data['rpcsends'] = int(words[7])
+                self.__rpc_data['rpcreceives'] = int(words[8])
+                self.__rpc_data['badxids'] = int(words[9])
+                self.__rpc_data['inflightsends'] = int(words[10])
+                self.__rpc_data['backlogutil'] = int(words[11])
+            elif words[1] == 'rdma':
+                self.__rpc_data['port'] = words[2]
+                self.__rpc_data['bind_count'] = int(words[3])
+                self.__rpc_data['connect_count'] = int(words[4])
+                self.__rpc_data['connect_time'] = int(words[5])
+                self.__rpc_data['idle_time'] = int(words[6])
+                self.__rpc_data['rpcsends'] = int(words[7])
+                self.__rpc_data['rpcreceives'] = int(words[8])
+                self.__rpc_data['badxids'] = int(words[9])
+                self.__rpc_data['backlogutil'] = int(words[10])
+                self.__rpc_data['read_chunks'] = int(words[11])
+                self.__rpc_data['write_chunks'] = int(words[12])
+                self.__rpc_data['reply_chunks'] = int(words[13])
+                self.__rpc_data['total_rdma_req'] = int(words[14])
+                self.__rpc_data['total_rdma_rep'] = int(words[15])
+                self.__rpc_data['pullup'] = int(words[16])
+                self.__rpc_data['fixup'] = int(words[17])
+                self.__rpc_data['hardway'] = int(words[18])
+                self.__rpc_data['failed_marshal'] = int(words[19])
+                self.__rpc_data['bad_reply'] = int(words[20])
+        elif words[0] == 'per-op':
+            self.__rpc_data['per-op'] = words
+        else:
+            op = words[0][:-1]
+            self.__rpc_data['ops'] += [op]
+            self.__rpc_data[op] = [int(word) for word in words[1:]]
+
+    def parse_stats(self, lines):
+        """Turn a list of lines from a mount stat file into a 
+        dictionary full of stats, keyed by name
+        """
+        found = False
+        for line in lines:
+            words = line.split()
+            if len(words) == 0:
+                continue
+            if (not found and words[0] != 'RPC'):
+                self.__parse_nfs_line(words)
+                continue
+
+            found = True
+            self.__parse_rpc_line(words)
+
+    def is_nfs_mountpoint(self):
+        """Return True if this is an NFS or NFSv4 mountpoint,
+        otherwise return False
+        """
+        if self.__nfs_data['fstype'] == 'nfs':
+            return True
+        elif self.__nfs_data['fstype'] == 'nfs4':
+            return True
+        return False
+
+    def compare_iostats(self, old_stats):
+        """Return the difference between two sets of stats
+        """
+        result = DeviceData()
+
+        # copy self into result
+        for key, value in self.__nfs_data.items():
+            result.__nfs_data[key] = value
+        for key, value in self.__rpc_data.items():
+            result.__rpc_data[key] = value
+
+        # compute the difference of each item in the list
+        # note the copy loop above does not copy the lists, just
+        # the reference to them.  so we build new lists here
+        # for the result object.
+        for op in result.__rpc_data['ops']:
+            try:
+                result.__rpc_data[op] = list(map(
+                    difference, self.__rpc_data[op], old_stats.__rpc_data[op]))
+            except KeyError:
+                continue
+
+        # update the remaining keys we care about
+        result.__rpc_data['rpcsends'] -= old_stats.__rpc_data['rpcsends']
+        result.__rpc_data['backlogutil'] -= old_stats.__rpc_data['backlogutil']
+
+        for key in NfsEventCounters:
+            result.__nfs_data[key] -= old_stats.__nfs_data[key]
+        for key in NfsByteCounters:
+            result.__nfs_data[key] -= old_stats.__nfs_data[key]
+
+        return result
+
+    def __print_data_cache_stats(self):
+        """Print the data cache hit rate
+        """
+        nfs_stats = self.__nfs_data
+        app_bytes_read = float(nfs_stats['normalreadbytes'])
+        if app_bytes_read != 0:
+            client_bytes_read = float(nfs_stats['serverreadbytes'] - nfs_stats['directreadbytes'])
+            ratio = ((app_bytes_read - client_bytes_read) * 100) / app_bytes_read
+
+            print()
+            print('app bytes: %f  client bytes %f' % (app_bytes_read, client_bytes_read))
+            print('Data cache hit ratio: %4.2f%%' % ratio)
+
+    def __print_attr_cache_stats(self, sample_time):
+        """Print attribute cache efficiency stats
+        """
+        nfs_stats = self.__nfs_data
+
+        print()
+        print('%d VFS opens' % (nfs_stats['vfsopen']))
+        print('%d inoderevalidates (forced GETATTRs)' % \
+            (nfs_stats['inoderevalidates']))
+        print('%d page cache invalidations' % \
+            (nfs_stats['datainvalidates']))
+        print('%d attribute cache invalidations' % \
+            (nfs_stats['attrinvalidates']))
+
+    def __print_dir_cache_stats(self, sample_time):
+        """Print directory stats
+        """
+        nfs_stats = self.__nfs_data
+        lookup_ops = self.__rpc_data['LOOKUP'][0]
+        readdir_ops = self.__rpc_data['READDIR'][0]
+        if 'READDIRPLUS' in self.__rpc_data:
+            readdir_ops += self.__rpc_data['READDIRPLUS'][0]
+
+        dentry_revals = nfs_stats['dentryrevalidates']
+        opens = nfs_stats['vfsopen']
+        lookups = nfs_stats['vfslookup']
+        getdents = nfs_stats['vfsreaddir']
+
+        print()
+        print('%d open operations (pathname lookups)' % opens)
+        print('%d dentry revalidates and %d vfs lookup requests' % \
+            (dentry_revals, lookups))
+        print('resulted in %d LOOKUPs on the wire' % lookup_ops)
+        print('%d vfs getdents calls resulted in %d READDIRs on the wire' % \
+            (getdents, readdir_ops))
+
+    def __print_page_stats(self, sample_time):
+        """Print page cache stats
+        """
+        nfs_stats = self.__nfs_data
+
+        vfsreadpage = nfs_stats['vfsreadpage']
+        vfsreadpages = nfs_stats['vfsreadpages']
+        pages_read = nfs_stats['readpages']
+        vfswritepage = nfs_stats['vfswritepage']
+        vfswritepages = nfs_stats['vfswritepages']
+        pages_written = nfs_stats['writepages']
+
+        print()
+        print('%d nfs_readpage() calls read %d pages' % \
+            (vfsreadpage, vfsreadpage))
+        multipageread = "readpages"
+        if self.__nfs_data['statvers'] >= 1.2:
+            multipageread = "readahead"
+        print('%d nfs_%s() calls read %d pages' % \
+            (vfsreadpages, multipageread, pages_read - vfsreadpage))
+        if vfsreadpages != 0:
+            print('(%.1f pages per call)' % \
+                (float(pages_read - vfsreadpage) / vfsreadpages))
+        else:
+            print()
+
+        print()
+        print('%d nfs_updatepage() calls' % nfs_stats['vfsupdatepage'])
+        print('%d nfs_writepage() calls wrote %d pages' % \
+            (vfswritepage, vfswritepage))
+        print('%d nfs_writepages() calls wrote %d pages' % \
+            (vfswritepages, pages_written - vfswritepage))
+        if (vfswritepages) != 0:
+            print('(%.1f pages per call)' % \
+                (float(pages_written - vfswritepage) / vfswritepages))
+        else:
+            print()
+
+        congestionwaits = nfs_stats['congestionwait']
+        if congestionwaits != 0:
+            print()
+            print('%d congestion waits' % congestionwaits)
+
+    def __print_rpc_op_stats(self, op, sample_time):
+        """Print generic stats for one RPC op
+        """
+        if op not in self.__rpc_data:
+            return
+
+        rpc_stats = self.__rpc_data[op]
+        ops = float(rpc_stats[0])
+        retrans = float(rpc_stats[1] - rpc_stats[0])
+        kilobytes = float(rpc_stats[3] + rpc_stats[4]) / 1024
+        queued_for = float(rpc_stats[5])
+        rtt = float(rpc_stats[6])
+        exe = float(rpc_stats[7])
+        if len(rpc_stats) >= 9:
+            errs = float(rpc_stats[8])
+
+        # prevent floating point exceptions
+        if ops != 0:
+            kb_per_op = kilobytes / ops
+            retrans_percent = (retrans * 100) / ops
+            rtt_per_op = rtt / ops
+            exe_per_op = exe / ops
+            queued_for_per_op = queued_for / ops
+            if len(rpc_stats) >= 9:
+                errs_percent = (errs * 100) / ops
+        else:
+            kb_per_op = 0.0
+            retrans_percent = 0.0
+            rtt_per_op = 0.0
+            exe_per_op = 0.0
+            queued_for_per_op = 0.0
+            if len(rpc_stats) >= 9:
+                errs_percent = 0.0
+
+        op += ':'
+        print(format(op.lower(), '<16s'), end='')
+        print(format('ops/s', '>8s'), end='')
+        print(format('kB/s', '>16s'), end='')
+        print(format('kB/op', '>16s'), end='')
+        print(format('retrans', '>16s'), end='')
+        print(format('avg RTT (ms)', '>16s'), end='')
+        print(format('avg exe (ms)', '>16s'), end='')
+        print(format('avg queue (ms)', '>16s'), end='')
+        if len(rpc_stats) >= 9:
+            print(format('errors', '>16s'), end='')
+        print()
+
+        print(format((ops / sample_time), '>24.3f'), end='')
+        print(format((kilobytes / sample_time), '>16.3f'), end='')
+        print(format(kb_per_op, '>16.3f'), end='')
+        retransmits = '{0:>10.0f} ({1:>3.1f}%)'.format(retrans, retrans_percent).strip()
+        print(format(retransmits, '>16'), end='')
+        print(format(rtt_per_op, '>16.3f'), end='')
+        print(format(exe_per_op, '>16.3f'), end='')
+        print(format(queued_for_per_op, '>16.3f'), end='')
+        if len(rpc_stats) >= 9:
+            errors = '{0:>10.0f} ({1:>3.1f}%)'.format(errs, errs_percent).strip()
+            print(format(errors, '>16'), end='')
+        print()
+
+    def ops(self, sample_time):
+        sends = float(self.__rpc_data['rpcsends'])
+        if sample_time == 0:
+            sample_time = float(self.__nfs_data['age'])
+        if sample_time == 0:
+            sample_time = 1;
+        return (sends / sample_time)
+
+    def display_iostats(self, sample_time, which):
+        """Display NFS and RPC stats in an iostat-like way
+        """
+        sends = float(self.__rpc_data['rpcsends'])
+        if sample_time == 0:
+            sample_time = float(self.__nfs_data['age'])
+        #  sample_time could still be zero if the export was just mounted.
+        #  Set it to 1 to avoid divide by zero errors in this case since we'll
+        #  likely still have relevant mount statistics to show.
+        #
+        if sample_time == 0:
+            sample_time = 1;
+        if sends != 0:
+            backlog = (float(self.__rpc_data['backlogutil']) / sends) / sample_time
+        else:
+            backlog = 0.0
+
+        print()
+        print('%s mounted on %s:' % \
+            (self.__nfs_data['export'], self.__nfs_data['mountpoint']))
+        print()
+
+        print(format('ops/s', '>16') + format('rpc bklog', '>16'))
+        print(format((sends / sample_time), '>16.3f'), end='')
+        print(format(backlog, '>16.3f'))
+        print()
+
+        if which == 0:
+            self.__print_rpc_op_stats('READ', sample_time)
+            self.__print_rpc_op_stats('WRITE', sample_time)
+        elif which == 1:
+            self.__print_rpc_op_stats('GETATTR', sample_time)
+            self.__print_rpc_op_stats('ACCESS', sample_time)
+            self.__print_attr_cache_stats(sample_time)
+        elif which == 2:
+            self.__print_rpc_op_stats('LOOKUP', sample_time)
+            self.__print_rpc_op_stats('READDIR', sample_time)
+            if 'READDIRPLUS' in self.__rpc_data:
+                self.__print_rpc_op_stats('READDIRPLUS', sample_time)
+            self.__print_dir_cache_stats(sample_time)
+        elif which == 3:
+            self.__print_rpc_op_stats('READ', sample_time)
+            self.__print_rpc_op_stats('WRITE', sample_time)
+            self.__print_page_stats(sample_time)
+
+        sys.stdout.flush()
+
+#
+# Functions
+#
+
+def parse_stats_file(filename):
+    """pop the contents of a mountstats file into a dictionary,
+    keyed by mount point.  each value object is a list of the
+    lines in the mountstats file corresponding to the mount
+    point named in the key.
+    """
+    ms_dict = dict()
+    key = ''
+
+    f = open(filename)
+    for line in f.readlines():
+        words = line.split()
+        if len(words) == 0:
+            continue
+        if line.startswith("no device mounted"):
+            continue
+        if words[0] == 'device':
+            key = words[4]
+            new = [ line.strip() ]
+        elif 'nfs' in words or 'nfs4' in words:
+            key = words[3]
+            new = [ line.strip() ]
+        else:
+            new += [ line.strip() ]
+        ms_dict[key] = new
+    f.close
+
+    return ms_dict
+
+def print_iostat_summary(old, new, devices, time, options):
+    stats = {}
+    diff_stats = {}
+    devicelist = []
+    if old:
+        # Trim device list to only include intersection of old and new data,
+        # this addresses umounts due to autofs mountpoints
+        for device in devices:
+            if "fstype autofs" not in str(old[device]):
+                devicelist.append(device)
+    else:
+        devicelist = devices
+
+    for device in devicelist:
+        stats[device] = DeviceData()
+        stats[device].parse_stats(new[device])
+        if old:
+            old_stats = DeviceData()
+            old_stats.parse_stats(old[device])
+            diff_stats[device] = stats[device].compare_iostats(old_stats)
+
+    if options.sort:
+        if old:
+            # We now have compared data and can print a comparison
+            # ordered by mountpoint ops per second
+            devicelist.sort(key=lambda x: diff_stats[x].ops(time), reverse=True)
+        else:
+            # First iteration, just sort by newly parsed ops/s
+            devicelist.sort(key=lambda x: stats[x].ops(time), reverse=True)
+
+    count = 1
+    for device in devicelist:
+        if old:
+            diff_stats[device].display_iostats(time, options.which)
+        else:
+            stats[device].display_iostats(time, options.which)
+
+        count += 1
+        if (count > options.list):
+            return
+
+
+def list_nfs_mounts(givenlist, mountstats):
+    """return a list of NFS mounts given a list to validate or
+       return a full list if the given list is empty -
+       may return an empty list if none found
+    """
+    devicelist = []
+    if len(givenlist) > 0:
+        for device in givenlist:
+            stats = DeviceData()
+            stats.parse_stats(mountstats[device])
+            if stats.is_nfs_mountpoint():
+                devicelist += [device]
+    else:
+        for device, descr in mountstats.items():
+            stats = DeviceData()
+            stats.parse_stats(descr)
+            if stats.is_nfs_mountpoint():
+                devicelist += [device]
+    return devicelist
+
+def iostat_command(name):
+    """iostat-like command for NFS mount points
+    """
+    mountstats = parse_stats_file('/proc/self/mountstats')
+    devices = []
+    origdevices = []
+    interval_seen = False
+    count_seen = False
+
+    mydescription= """
+Sample iostat-like program to display NFS client per-mount'
+statistics.  The <interval> parameter specifies the amount of time in seconds
+between each report.  The first report contains statistics for the time since
+each file system was mounted.  Each subsequent report contains statistics
+collected during the interval since the previous report.  If the <count>
+parameter is specified, the value of <count> determines the number of reports
+generated at <interval> seconds apart.  If the interval parameter is specified
+without the <count> parameter, the command generates reports continuously.
+If one or more <mount point> names are specified, statistics for only these
+mount points will be displayed.  Otherwise, all NFS mount points on the
+client are listed.
+"""
+    parser = OptionParser(
+        usage="usage: %prog [ <interval> [ <count> ] ] [ <options> ] [ <mount point> ]",
+        description=mydescription,
+        version='version %s' % Iostats_version)
+    parser.set_defaults(which=0, sort=False, list=sys.maxsize)
+
+    statgroup = OptionGroup(parser, "Statistics Options",
+                            'File I/O is displayed unless one of the following is specified:')
+    statgroup.add_option('-a', '--attr',
+                            action="store_const",
+                            dest="which",
+                            const=1,
+                            help='displays statistics related to the attribute cache')
+    statgroup.add_option('-d', '--dir',
+                            action="store_const",
+                            dest="which",
+                            const=2,
+                            help='displays statistics related to directory operations')
+    statgroup.add_option('-p', '--page',
+                            action="store_const",
+                            dest="which",
+                            const=3,
+                            help='displays statistics related to the page cache')
+    parser.add_option_group(statgroup)
+    displaygroup = OptionGroup(parser, "Display Options",
+                               'Options affecting display format:')
+    displaygroup.add_option('-s', '--sort',
+                            action="store_true",
+                            dest="sort",
+                            help="Sort NFS mount points by ops/second")
+    displaygroup.add_option('-l','--list',
+                            action="store",
+                            type="int",
+                            dest="list",
+                            help="only print stats for first LIST mount points")
+    parser.add_option_group(displaygroup)
+
+    (options, args) = parser.parse_args(sys.argv)
+    for arg in args:
+
+        if arg == sys.argv[0]:
+            continue
+
+        if arg in mountstats:
+            origdevices += [arg]
+        elif not interval_seen:
+            try:
+                interval = int(arg)
+            except:
+                print('Illegal <interval> value %s' % arg)
+                return
+            if interval > 0:
+                interval_seen = True
+            else:
+                print('Illegal <interval> value %s' % arg)
+                return
+        elif not count_seen:
+            try:
+                count = int(arg)
+            except:
+                print('Ilegal <count> value %s' % arg)
+                return
+            if count > 0:
+                count_seen = True
+            else:
+                print('Illegal <count> value %s' % arg)
+                return
+
+    # make certain devices contains only NFS mount points
+    devices = list_nfs_mounts(origdevices, mountstats)
+    if len(devices) == 0:
+        print('No NFS mount points were found')
+        return
+
+
+    old_mountstats = None
+    sample_time = 0.0
+
+    if not interval_seen:
+        print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
+        return
+
+    if count_seen:
+        while count != 0:
+            print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
+            old_mountstats = mountstats
+            time.sleep(interval)
+            sample_time = interval
+            mountstats = parse_stats_file('/proc/self/mountstats')
+            # automount mountpoints add and drop, if automount is involved
+            # we need to recheck the devices list when reparsing
+            devices = list_nfs_mounts(origdevices,mountstats)
+            if len(devices) == 0:
+                print('No NFS mount points were found')
+                return
+            count -= 1
+    else: 
+        while True:
+            print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
+            old_mountstats = mountstats
+            time.sleep(interval)
+            sample_time = interval
+            mountstats = parse_stats_file('/proc/self/mountstats')
+            # automount mountpoints add and drop, if automount is involved
+            # we need to recheck the devices list when reparsing
+            devices = list_nfs_mounts(origdevices,mountstats)
+            if len(devices) == 0:
+                print('No NFS mount points were found')
+                return
+
+#
+# Main
+#
+prog = os.path.basename(sys.argv[0])
+
+try:
+    iostat_command(prog)
+except KeyboardInterrupt:
+    print('Caught ^C... exiting')
+    sys.exit(1)
+
+sys.exit(0)
diff --git a/tools/nfs-iostat/nfsiostat.man b/tools/nfs-iostat/nfsiostat.man
new file mode 100644
index 0000000..940c043
--- /dev/null
+++ b/tools/nfs-iostat/nfsiostat.man
@@ -0,0 +1,141 @@
+.\"
+.\" nfsiostat(8)
+.\"
+.TH nfsiostat 8 "15 Apr 2010"
+.SH NAME
+nfsiostat \- Emulate iostat for NFS mount points using /proc/self/mountstats
+.SH SYNOPSIS
+.BI "nfsiostat [[" <interval> "] [" <count> "]] [" <options> "]["<mount_point> "]
+.SH DESCRIPTION
+The
+.B nfsiostat
+command displays NFS client per-mount statisitics. 
+.TP 
+<interval>
+specifies the amount of time in seconds between each report.
+The first report contains statistics for the time since each file
+system was mounted.  Each subsequent report contains statistics collected
+during the interval since the previous report.
+.TP
+<count>
+If the
+.I <count>
+parameter is
+specified, the value of 
+.I <count> 
+determines the number of reports generated at
+.I <interval> 
+seconds apart. if the interval parameter is 
+specified without the
+.I <count> 
+parameter, the command generates reports continuously.
+.TP
+<options>
+Define below
+.TP
+<mount_point>
+If one or more
+.I <mount point> 
+names are specified, statistics for only these mount points will
+be displayed.  Otherwise, all NFS mount points on the client are listed.
+.TP
+The meaning of each column of \fBnfsiostat\fR's output is the following:
+.RS 8
+- \fBop/s\fR
+.RS
+This is the number of operations per second.
+.RS
+.RE
+.RE
+.RE
+.RS 8
+- \fBrpc bklog\fR
+.RS
+This is the length of the backlog queue.
+.RE
+.RE
+.RE
+.RS 8
+- \fBkB/s\fR
+.RS
+This is the number of kB written/read per second.
+.RE
+.RE
+.RE
+.RS 8
+- \fBkB/op\fR
+.RS
+This is the number of kB written/read per each operation.
+.RE
+.RE
+.RE
+.RS 8
+- \fBretrans\fR
+.RS
+This is the number of retransmissions.
+.RE
+.RE
+.RE
+.RS 8
+- \fBavg RTT (ms)\fR
+.RS
+This is the duration from the time that client's kernel sends the RPC request until the time it receives the reply.
+.RE
+.RE
+.RE
+.RS 8
+- \fBavg exe (ms)\fR
+.RS
+This is the duration from the time that NFS client does the RPC request to its kernel until the RPC request is completed, this includes the RTT time above.
+.RE
+.RE
+.RE
+.RS 8
+- \fBavg queue (ms)\fR
+.RS
+This is the duration from the time the NFS client created the RPC request task to the time the request is transmitted.
+.RE
+.RE
+.RE
+.RS 8
+- \fBerrors\fR
+.RS
+This is the number of operations that completed with an error status (status < 0).  This count is only available on kernels with RPC iostats version 1.1 or above.
+.RS
+.RE
+.RE
+.RE
+.TP
+Note that if an interval is used as argument to \fBnfsiostat\fR, then the diffrence from previous interval will be displayed, otherwise the results will be from the time that the share was mounted.
+
+.SH OPTIONS
+.TP
+.B \-a " or " \-\-attr
+displays statistics related to the attribute cache
+.TP
+.B \-d " or " \-\-dir 
+displays statistics related to directory operations
+.TP
+.B \-h " or " \-\-help 
+shows help message and exit
+.TP
+.B \-l LIST or " \-\-list=LIST 
+only print stats for first LIST mount points
+.TP
+.B \-p " or " \-\-page
+displays statistics related to the page cache
+.TP
+.B \-s " or " \-\-sort
+Sort NFS mount points by ops/second
+.TP
+.B \-\-version
+show program's version number and exit
+.SH FILES
+.TP
+.B /proc/self/mountstats
+.SH SEE ALSO
+.BR iostat (8),
+.BR mountstats (8),
+.BR nfsstat(8)
+.SH AUTHOR
+Chuck Lever <chuck.lever@oracle.com>
diff --git a/tools/nfsconf/Makefile.am b/tools/nfsconf/Makefile.am
new file mode 100644
index 0000000..b3c1495
--- /dev/null
+++ b/tools/nfsconf/Makefile.am
@@ -0,0 +1,11 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= nfsconf.man
+EXTRA_DIST	= $(man8_MANS)
+
+sbin_PROGRAMS = nfsconf
+
+nfsconf_SOURCES = nfsconfcli.c
+nfsconf_LDADD = ../../support/nfs/libnfsconf.la
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/tools/nfsconf/Makefile.in b/tools/nfsconf/Makefile.in
new file mode 100644
index 0000000..aee89ea
--- /dev/null
+++ b/tools/nfsconf/Makefile.in
@@ -0,0 +1,807 @@
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+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/nfsconfcli.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
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+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-am
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+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/nfsconfcli.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
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+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
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+uninstall-man: uninstall-man8
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tools/nfsconf/nfsconf.man b/tools/nfsconf/nfsconf.man
new file mode 100644
index 0000000..d44e86f
--- /dev/null
+++ b/tools/nfsconf/nfsconf.man
@@ -0,0 +1,120 @@
+.\"
+.\" nfsconf(8)
+.\"
+.TH nfsconf 8 "2 May 2018"
+.SH NAME
+nfsconf \- Query various NFS configuration settings
+.SH SYNOPSIS
+.B nfsconf \-\-dump
+.RB [ \-v | \-\-verbose ]
+.RB [ \-f | \-\-file
+.IR infile.conf ]
+.RI [ outfile ]
+.P
+.B nfsconf \-\-entry
+.RB [ \-\-arg  
+.IR subsection]
+.IR section
+.IR tag
+.P
+.B nfsconf \-\-get
+.RB [ \-v | \-\-verbose ]
+.RB [ \-f | \-\-file
+.IR infile.conf ]
+.RB [ \-a | \-\-arg
+.IR subsection ]
+.IR section
+.IR tag
+.P
+.B nfsconf \-\-isset
+.RB [ \-v | \-\-verbose ]
+.RB [ \-f | \-\-file
+.IR infile.conf ]
+.RB [ \-a | \-\-arg
+.IR subsection ]
+.IR section
+.IR tag
+.P
+.B nfsconf \-\-set
+.RB [ \-v | \-\-verbose ]
+.RB [ \-m | \-\-modified
+.IR "Modified by text" ]
+.RB [ \-f | \-\-file
+.IR infile.conf ]
+.RB [ \-a | \-\-arg
+.IR subsection ]
+.IR section
+.IR tag
+.IR value
+.P
+.B nfsconf \-\-unset
+.RB [ \-v | \-\-verbose ]
+.RB [ \-f | \-\-file
+.IR infile.conf ]
+.RB [ \-a | \-\-arg
+.IR subsection ]
+.IR section
+.IR tag
+.SH DESCRIPTION
+The
+.B nfsconf
+command can be used to test for and retrieve configuration settings
+from a range of nfs-utils configuration files.
+.SS Modes
+The following modes are available:
+.IP "\fB\-d, \-\-dump\fP"
+Output an alphabetically sorted dump of the current configuration in conf file format. Accepts an optional filename in which to write the output.
+.IP "\fB\-e, \-\-entry\fP"
+retrieve the config entry rather than its current expanded value
+.IP "\fB\-i, \-\-isset\fP"
+Test if a specific tag has a value set.
+.IP "\fB\-g, \-\-get\fP"
+Output the current value of the specified tag.
+.IP "\fB\-s, \-\-set\fP"
+Update or Add a tag and value to the config file in a specified section, creating the tag, section, and file if necessary. If the section is defined as '#' then a comment is appended to the file. If a comment is set with a tag name then any exiting tagged comment with a matching name is replaced.
+.IP "\fB\-u, \-\-unset\fP"
+Remove the specified tag and its value from the config file.
+.SH OPTIONS
+.SS Options valid in all modes
+.TP
+.B \-v, \-\-verbose
+Increase verbosity and print debugging information.
+.TP
+.B \-f, \-\-file \fIinfile\fR
+Select a different config file to operate upon, default is
+.I /etc/nfs.conf
+.SS Options only valid in \fB\-\-entry\fR and \fB\-\-get\fR and \fB\-\-isset\fR modes.
+.TP
+.B \-a, \-\-arg \fIsubsection\fR
+Select a specific sub-section
+.SS Options only valid in \fB\-\-set\fR mode.
+.B \-m, \-\-modified \fI"Modified by nfsconf"\fR
+Set the text on the Modified date comment in the file. Set to empty to remove.
+.SH EXIT STATUS
+.SS \fB\-\-isset\fR mode
+In this mode the command will return success (0) if the selected tag has a value, any other exit code indicates the value is not set, or some other error has occurred.
+.SS all other modes
+Success is indicated by an exit status of zero, any other status indicates an error. Error messages are output on stderr, and increasing verbosity will give more detailed explanations if any are available.
+.SH EXAMPLES
+.TP
+.B nfsconf -v --dump --file /tmp/testconf.conf  sorted.conf
+Check a new config file for syntax errors and output a sorted version for ease of comparison with existing settings.
+.TP
+.B if ! nfsconf --isset gssd preferred-realm ; then echo 'No preferred realm configured for gss'; fi
+The tool allows for easy testing of configuration values from shell scripts, here we test if a specific value has been set.
+.TP
+.B nfsconf --file /etc/nfsmount.conf --get --arg /home MountPoint background
+Show default value for \fIbackground\fR option for NFS mounts of the \fI/home\fR path.
+.TP
+.B nfsconf --file /etc/nfs.conf --set nfsd debug 1
+Enable debugging in nfsd
+.SH FILES
+.TP
+.B /etc/nfs.conf
+.SH SEE ALSO
+.BR nfsd (8),
+.BR exportfs (8),
+.BR idmapd (8),
+.BR statd (8)
+.SH AUTHOR
+Justin Mitchell <jumitche@redhat.com>
diff --git a/tools/nfsconf/nfsconfcli.c b/tools/nfsconf/nfsconfcli.c
new file mode 100644
index 0000000..b2ef96d
--- /dev/null
+++ b/tools/nfsconf/nfsconfcli.c
@@ -0,0 +1,253 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <getopt.h>
+#include <string.h>
+#include <errno.h>
+#include "config.h"
+#include "conffile.h"
+#include "xlog.h"
+
+typedef enum {
+	MODE_NONE,
+	MODE_GET,
+	MODE_ENTRY,
+	MODE_ISSET,
+	MODE_DUMP,
+	MODE_SET,
+	MODE_UNSET
+} confmode_t;
+
+static void usage(const char *name)
+{
+	fprintf(stderr, "Usage: %s [-v] [--file filename.conf] ...\n", name);
+	fprintf(stderr, "Options:\n");
+	fprintf(stderr, " -v			Increase Verbosity\n");
+	fprintf(stderr, " --file filename.conf	Load this config file\n");
+	fprintf(stderr, "     (Default config file: " NFS_CONFFILE "\n");
+	fprintf(stderr, " --modified \"info\"	Use \"info\" in file modified header\n");
+	fprintf(stderr, "Modes:\n");
+	fprintf(stderr, "  --dump [outputfile]\n");
+	fprintf(stderr, "      Outputs the configuration to the named file\n");
+	fprintf(stderr, "  --get [--arg subsection] {section} {tag}\n");
+	fprintf(stderr, "      Output one specific config value\n");
+	fprintf(stderr, "  --entry [--arg subsection] {section} {tag}\n");
+	fprintf(stderr, "      Output the uninterpreted config entry\n");
+	fprintf(stderr, "  --isset [--arg subsection] {section} {tag}\n");
+	fprintf(stderr, "      Return code indicates if config value is present\n");
+	fprintf(stderr, "  --set [--arg subsection] {section} {tag} {value}\n");
+	fprintf(stderr, "      Set and Write a config value\n");
+	fprintf(stderr, "  --unset [--arg subsection] {section} {tag}\n");
+	fprintf(stderr, "      Remove an existing config value\n");
+}
+
+int main(int argc, char **argv)
+{
+	char * confpath = NFS_CONFFILE;
+	char * arg = NULL;
+	int verbose=0;
+	int ret = 0;
+	char * dumpfile = NULL;
+
+	confmode_t mode = MODE_NONE;
+
+	modified_by = "Modified by nfsconf";
+
+	while (1) {
+		int c;
+		int index = 0;
+		struct option long_options[] = {
+			{"get",		no_argument, 0, 'g' },
+			{"entry",	no_argument, 0, 'e' },
+			{"set",		no_argument, 0, 's' },
+			{"unset",	no_argument, 0, 'u' },
+			{"arg",	  required_argument, 0, 'a' },
+			{"isset", 	no_argument, 0, 'i' },
+			{"dump",  optional_argument, 0, 'd' },
+			{"file",  required_argument, 0, 'f' },
+			{"verbose",	no_argument, 0, 'v' },
+			{"modified", required_argument, 0, 'm' },
+			{NULL,			  0, 0, 0 }
+		};
+
+		c = getopt_long(argc, argv, "gesua:id::f:vm:", long_options, &index);
+		if (c == -1) break;
+
+		switch (c) {
+			case 0:
+				break;
+			case 'f':
+				/* user specified source path for config */
+				confpath = optarg;
+				break;
+			case 'a':
+				/* user supplied a sub-section name */
+				arg = optarg;
+				break;
+			case 'v':
+				verbose++;
+				break;
+			case 'g':
+				mode = MODE_GET;
+				break;
+			case 'e':
+				mode = MODE_ENTRY;
+				break;
+			case 's':
+				mode = MODE_SET;
+				break;
+			case 'u':
+				mode = MODE_UNSET;
+				break;
+			case 'i':
+				mode = MODE_ISSET;
+				break;
+			case 'd':
+				/* check if user supplied a filename for dump */
+				if (optarg == NULL && argv[optind] != NULL
+				    && argv[optind][0] != '-')
+					optarg = argv[optind++];
+				mode = MODE_DUMP;
+				dumpfile = optarg;
+				break;
+			case 'm':
+				if (optarg == NULL || *optarg == 0)
+					modified_by = NULL;
+				else
+					modified_by = optarg;
+				break;
+			default:
+				usage(argv[0]);
+				return 1;
+		}
+	}
+
+	/* configure the logging that conffile.c uses */
+	if (verbose)
+		xlog_config(D_ALL, 1);
+	xlog_stderr(1);
+	xlog_syslog(0);
+	xlog_open("nfsconf");
+
+	if (mode == MODE_NONE) {
+		fprintf(stderr, "Error: No MODE selected.\n");
+		usage(argv[0]);
+		return 1;
+	}
+
+	if (mode != MODE_SET && mode != MODE_UNSET) {
+		if (conf_init_file(confpath)) {
+			/* config file was missing or had an error, warn about it */
+			if (verbose || mode != MODE_ISSET) {
+				fprintf(stderr, "Error loading config file %s\n",
+					confpath);
+			}
+
+			/* this isnt fatal for --isset */
+			if (mode != MODE_ISSET)
+				return 1;
+		}
+	}
+
+	/* --dump mode, output the current configuration */
+	if (mode == MODE_DUMP) {
+		/* default to writing it to stdout */
+		FILE *out = stdout;
+
+		/* user specified a file to write to instead */
+		if (dumpfile) {
+			out = fopen(dumpfile, "w");
+			if (out == NULL) {
+				fprintf(stderr, "Error opening dumpfile %s: %s\n",
+					dumpfile, strerror(errno));
+				ret = 2;
+				goto cleanup;
+			}
+			if (verbose)
+				printf("Dumping config to %s\n", dumpfile);
+		}
+
+		/* output the configuration */
+		conf_report(out);
+
+		/* close that user specified file */
+		if (dumpfile)
+			fclose(out);
+	} else
+	/* --isset and --get share a lot of code */
+	if (mode == MODE_GET || mode == MODE_ISSET || mode == MODE_ENTRY) {
+		char * section = NULL;
+		char * tag = NULL;
+		const char * val;
+
+		/* test they supplied section and tag names */
+		if (optind+1 >= argc) {
+			fprintf(stderr, "Error: insufficient arguments for mode\n");
+			usage(argv[0]);
+			ret = 2;
+			goto cleanup;
+		}
+
+		/* now we have a section and tag name */
+		section = argv[optind++];
+		tag = argv[optind++];
+
+		/* retrieve the specified tags value */
+		if (mode == MODE_ENTRY)
+			val = conf_get_entry(section, arg, tag);
+		else
+			val = conf_get_section(section, arg, tag);
+		if (val != NULL) {
+			/* ret=0, success, mode --get wants to output the value as well */
+			if (mode != MODE_ISSET)
+				printf("%s\n", val);
+		} else {
+			/* ret=1, no value found, tell the user if they asked */
+			if (mode != MODE_ISSET && verbose)
+				fprintf(stderr, "Tag '%s' not found\n", tag);
+			ret = 1;
+		}
+	} else
+	if (mode == MODE_SET || mode == MODE_UNSET) {
+		char * section = NULL;
+		char * tag = NULL;
+		char * val = NULL;
+		int need = 2;
+
+		if (mode == MODE_UNSET)
+			need = 1;
+
+		/* test they supplied section and tag names */
+		if (optind+need >= argc) {
+			fprintf(stderr, "Error: insufficient arguments for mode\n");
+			usage(argv[0]);
+			ret = 2;
+			goto cleanup;
+		}
+
+		/* now we have a section and tag name */
+		section = argv[optind++];
+		tag = argv[optind++];
+		if (mode == MODE_SET)
+			val = argv[optind++];
+
+		/* setting an empty string is same as unsetting */
+		if (val!=NULL && *val == '\0') {
+			mode = MODE_UNSET;
+			val = NULL;
+		}
+
+		if (conf_write(confpath, section, arg, tag, val)) {
+			if (verbose)
+				fprintf(stderr, "Error writing config\n");
+			ret = 1;
+		}
+	} else {
+		fprintf(stderr, "Mode not yet implemented.\n");
+		ret = 2;
+	}
+
+cleanup:
+	conf_cleanup();
+	return ret;
+}
diff --git a/tools/nfsdclddb/Makefile.am b/tools/nfsdclddb/Makefile.am
new file mode 100644
index 0000000..18263fb
--- /dev/null
+++ b/tools/nfsdclddb/Makefile.am
@@ -0,0 +1,13 @@
+## Process this file with automake to produce Makefile.in
+PYTHON_FILES =  nfsdclddb.py
+
+man8_MANS	= nfsdclddb.man
+
+EXTRA_DIST	= $(man8_MANS) $(PYTHON_FILES)
+
+all-local: $(PYTHON_FILES)
+
+install-data-hook:
+	$(INSTALL) -m 755 nfsdclddb.py $(DESTDIR)$(sbindir)/nfsdclddb
+
+MAINTAINERCLEANFILES=Makefile.in
diff --git a/tools/nfsdclddb/Makefile.in b/tools/nfsdclddb/Makefile.in
new file mode 100644
index 0000000..308178b
--- /dev/null
+++ b/tools/nfsdclddb/Makefile.in
@@ -0,0 +1,621 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
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+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
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diff --git a/tools/nfsdclddb/nfsdclddb.man b/tools/nfsdclddb/nfsdclddb.man
new file mode 100644
index 0000000..8ec7b18
--- /dev/null
+++ b/tools/nfsdclddb/nfsdclddb.man
@@ -0,0 +1,83 @@
+.\"
+.\" nfsdclddb(8)
+.\"
+.TH nfsdclddb 8 "07 Aug 2019"
+.SH NAME
+nfsdclddb \- Tool for manipulating the nfsdcld sqlite database
+.SH SYNOPSIS
+.B nfsdclddb
+.RB [ \-h | \-\-help ]
+.P
+.B nfsdclddb
+.RB [ \-p | \-\-path
+.IR dbpath ]
+.B fix-table-names
+.RB [ \-h | \-\-help ]
+.P
+.B nfsdclddb
+.RB [ \-p | \-\-path
+.IR dbpath ]
+.B downgrade-schema
+.RB [ \-h | \-\-help ]
+.RB [ \-v | \-\-version
+.IR to-version ]
+.P
+.B nfsdclddb
+.RB [ \-p | \-\-path
+.IR dbpath ]
+.B print
+.RB [ \-h | \-\-help ]
+.RB [ \-s | \-\-summary ]
+.P
+
+.SH DESCRIPTION
+.RB "The " nfsdclddb " command is provided to perform some manipulation of the nfsdcld sqlite database schema and to print the contents of the database."
+.SS Sub-commands
+Valid
+.B nfsdclddb
+subcommands are:
+.IP "\fBfix-table-names\fP"
+.RB "A previous version of " nfsdcld "(8) contained a bug that corrupted the reboot epoch table names.  This sub-command will fix those table names."
+.IP "\fBdowngrade-schema\fP"
+Downgrade the database schema.  Currently the schema can only to downgraded from version 4 to version 3.
+.IP "\fBprint\fP"
+Display the contents of the database.  Prints the schema version and the values of the current and recovery epochs.  If the
+.BR \-s | \-\-summary
+option is not given, also prints the clients in the reboot epoch tables.
+.SH OPTIONS
+.SS Options valid for all sub-commands
+.TP
+.B \-h, \-\-help
+Show the help message and exit
+.TP
+\fB\-p \fIdbpath\fR, \fB\-\-path \fIdbpath\fR
+Open the sqlite database located at
+.I dbpath
+instead of
+.IR /var/lib/nfs/nfsdcld/main.sqlite ".  "
+This is mainly for testing purposes.
+.SS Options specific to the downgrade-schema sub-command
+.TP
+\fB\-v \fIto-version\fR, \fB\-\-version \fIto-version\fR
+The schema version to downgrade to.  Currently the schema can only be downgraded to version 3.
+.SS Options specific to the print sub-command
+.TP
+.B \-s, \-\-summary
+Do not list the clients in the reboot epoch tables in the output.
+.SH NOTES
+The
+.B nfsdclddb
+command will not allow the
+.B fix-table-names
+or
+.B downgrade-schema
+subcommands to be used if
+.BR nfsdcld (8)
+is running.
+.SH FILES
+.TP
+.B /var/lib/nfs/nfsdcld/main.sqlite
+.SH SEE ALSO
+.BR nfsdcld (8)
+.SH AUTHOR
+Scott Mayhew <smayhew@redhat.com>
diff --git a/tools/nfsdclddb/nfsdclddb.py b/tools/nfsdclddb/nfsdclddb.py
new file mode 100644
index 0000000..8a66131
--- /dev/null
+++ b/tools/nfsdclddb/nfsdclddb.py
@@ -0,0 +1,266 @@
+#!/usr/bin/python3
+"""Tool for manipulating the nfsdcld sqlite database
+"""
+
+__copyright__ = """
+Copyright (C) 2019 Scott Mayhew <smayhew@redhat.com>
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+MA  02110-1301, USA.
+"""
+
+import argparse
+import os
+import sqlite3
+import sys
+
+
+class CldDb():
+    def __init__(self, path):
+        self.con = sqlite3.connect(path)
+        self.con.row_factory = sqlite3.Row
+        for row in self.con.execute('select value from parameters '
+                                    'where key = "version"'):
+            self.version = int(row['value'])
+        for row in self.con.execute('select * from grace'):
+            self.current = int(row['current'])
+            self.recovery = int(row['recovery'])
+
+    def __del__(self):
+        self.con.close()
+
+    def __str__(self):
+        return ('Schema version: {self.version} '
+                'current epoch: {self.current} '
+                'recovery epoch: {self.recovery}'.format(self=self))
+
+    def _print_clients(self, epoch):
+        if epoch:
+            for row in self.con.execute('select * from "rec-{:016x}"'
+                                        .format(epoch)):
+                if self.version >= 4:
+                    if row['princhash'] is not None:
+                        princhash = row['princhash'].hex()
+                    else:
+                        princhash = "(null)"
+                    print('id = {}, princhash = {}'
+                          .format(row['id'].decode(), princhash))
+                else:
+                    print('id = {}'.format(row['id'].decode()))
+
+    def print_current_clients(self):
+        print('Clients in current epoch:')
+        self._print_clients(self.current)
+
+    def print_recovery_clients(self):
+        if self.recovery:
+            print('Clients in recovery epoch:')
+            self._print_clients(self.recovery)
+
+    def check_bad_table_names(self):
+        bad_names = []
+        for row in self.con.execute('select name from sqlite_master '
+                                    'where type = "table" '
+                                    'and name like "%rec-%" '
+                                    'and length(name) < 20'):
+            bad_names.append(row['name'])
+        return bad_names
+
+    def fix_bad_table_names(self):
+        try:
+            self.con.execute('begin exclusive transaction')
+            bad_names = self.check_bad_table_names()
+            for bad_name in bad_names:
+                epoch = int(bad_name.split('-')[1], base=16)
+                if epoch == self.current or epoch == self.recovery:
+                    if epoch == self.current:
+                        which = 'current'
+                    else:
+                        which = 'recovery'
+                    print('found invalid table name {} for {} epoch'
+                          .format(bad_name, which))
+                    self.con.execute('alter table "{}" '
+                                     'rename to "rec-{:016x}"'
+                                     .format(bad_name, epoch))
+                    print('renamed to rec-{:016x}'.format(epoch))
+                else:
+                    print('found invalid table name {} for unknown epoch {}'
+                          .format(bad_name, epoch))
+                    self.con.execute('drop table "{}"'.format(bad_name))
+                    print('dropped table {}'.format(bad_name))
+        except sqlite3.Error:
+            self.con.rollback()
+        else:
+            self.con.commit()
+
+    def has_princ_data(self):
+        if self.version < 4:
+            return False
+        for row in self.con.execute('select count(*) '
+                                    'from "rec-{:016x}" '
+                                    'where princhash not null'
+                                    .format(self.current)):
+            count = row[0]
+        if self.recovery:
+            for row in self.con.execute('select count(*) '
+                                        'from "rec-{:016x}" '
+                                        'where princhash not null'
+                                        .format(self.current)):
+                count = count + row[0]
+        if count:
+            return True
+        return False
+
+    def _downgrade_table_v4_to_v3(self, epoch):
+        if not self.con.in_transaction:
+            raise sqlite3.Error
+        try:
+            self.con.execute('create table "new_rec-{:016x}" '
+                             '(id blob primary key)'.format(epoch))
+            self.con.execute('insert into "new_rec-{:016x}" '
+                             'select id from "rec-{:016x}"'
+                             .format(epoch, epoch))
+            self.con.execute('drop table "rec-{:016x}"'.format(epoch))
+            self.con.execute('alter table "new_rec-{:016x}" '
+                             'rename to "rec-{:016x}"'
+                             .format(epoch, epoch))
+        except sqlite3.Error:
+            raise
+
+    def downgrade_schema_v4_to_v3(self):
+        try:
+            self.con.execute('begin exclusive transaction')
+            for row in self.con.execute('select value from parameters '
+                                        'where key = "version"'):
+                version = int(row['value'])
+            if version != self.version:
+                raise sqlite3.Error
+            for row in self.con.execute('select * from grace'):
+                current = int(row['current'])
+                recovery = int(row['recovery'])
+            if current != self.current:
+                raise sqlite3.Error
+            if recovery != self.recovery:
+                raise sqlite3.Error
+            self._downgrade_table_v4_to_v3(current)
+            if recovery:
+                self._downgrade_table_v4_to_v3(recovery)
+            self.con.execute('update parameters '
+                             'set value = "3" '
+                             'where key = "version"')
+            self.version = 3
+        except sqlite3.Error:
+            self.con.rollback()
+            print('Downgrade failed')
+        else:
+            self.con.commit()
+            print('Downgrade successful')
+
+
+def nfsdcld_active():
+    rc = os.system('ps -C nfsdcld >/dev/null 2>/dev/null')
+    if rc == 0:
+        return True
+    return False
+
+
+def fix_table_names_command(db, args):
+    if nfsdcld_active():
+        print('Warning: nfsdcld is running!')
+        ans = input('Continue? ')
+        if ans.lower() not in ['y', 'yes']:
+            print('Operation canceled.')
+            return
+    bad_names = db.check_bad_table_names()
+    if not bad_names:
+        print('No invalid table names found.')
+        return
+    db.fix_bad_table_names()
+
+
+def downgrade_schema_command(db, args):
+    if nfsdcld_active():
+        print('Warning: nfsdcld is running!')
+        ans = input('Continue? ')
+        if ans.lower() not in ['y', 'yes']:
+            print('Operation canceled')
+            return
+    if db.version != 4:
+        print('Cannot downgrade database from schema version {}.'
+              .format(db.version))
+        return
+    if args.version != 3:
+        print('Cannot downgrade to version {}.'.format(args.version))
+        return
+    bad_names = db.check_bad_table_names()
+    if bad_names:
+        print('Invalid table names detected.')
+        print('Please run "{} fix-table-names" before downgrading the schema.'
+              .format(sys.argv[0]))
+        return
+    if db.has_princ_data():
+        print('Warning: database has principal data, which will be erased.')
+        ans = input('Continue? ')
+        if ans.lower() not in ['y', 'yes']:
+            print('Operation canceled')
+            return
+    db.downgrade_schema_v4_to_v3()
+
+
+def print_command(db, args):
+    print(str(db))
+    if not args.summary:
+        bad_names = db.check_bad_table_names()
+        if bad_names:
+            print('Invalid table names detected.')
+            print('Please run "{} fix-table-names".'.format(sys.argv[0]))
+            return
+        db.print_current_clients()
+        db.print_recovery_clients()
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-p', '--path',
+                        default='/var/lib/nfs/nfsdcld/main.sqlite',
+                        help='path to the database '
+                        '(default: /var/lib/nfs/nfsdcld/main.sqlite)')
+    subparsers = parser.add_subparsers(help='sub-command help')
+    fix_parser = subparsers.add_parser('fix-table-names',
+                                       help='fix invalid table names')
+    fix_parser.set_defaults(func=fix_table_names_command)
+    downgrade_parser = subparsers.add_parser('downgrade-schema',
+                                             help='downgrade database schema')
+    downgrade_parser.add_argument('-v', '--version', type=int, choices=[3],
+                                  default=3,
+                                  help='version to downgrade to')
+    downgrade_parser.set_defaults(func=downgrade_schema_command)
+    print_parser = subparsers.add_parser('print',
+                                         help='print database info')
+    print_parser.add_argument('-s', '--summary', default=False,
+                              action='store_true',
+                              help='print summary only')
+    print_parser.set_defaults(func=print_command)
+    args = parser.parse_args()
+    if not os.path.exists(args.path):
+        return parser.print_usage()
+    clddb = CldDb(args.path)
+    return args.func(clddb, args)
+
+
+if __name__ == '__main__':
+    if len(sys.argv) == 1:
+        sys.argv.extend(['print', '--summary'])
+    main()
diff --git a/tools/nfsdclnts/Makefile.am b/tools/nfsdclnts/Makefile.am
new file mode 100644
index 0000000..d513edb
--- /dev/null
+++ b/tools/nfsdclnts/Makefile.am
@@ -0,0 +1,13 @@
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+
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+
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+
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+
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+	$(INSTALL) -m 755 nfsdclnts.py $(DESTDIR)$(sbindir)/nfsdclnts
+
+MAINTAINERCLEANFILES=Makefile.in
diff --git a/tools/nfsdclnts/Makefile.in b/tools/nfsdclnts/Makefile.in
new file mode 100644
index 0000000..f0b3463
--- /dev/null
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+# Otherwise a system limit (for SysV at least) may be exceeded.
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diff --git a/tools/nfsdclnts/nfsdclnts.man b/tools/nfsdclnts/nfsdclnts.man
new file mode 100644
index 0000000..c7efbd7
--- /dev/null
+++ b/tools/nfsdclnts/nfsdclnts.man
@@ -0,0 +1,180 @@
+.\"
+.\" nfsdclnts(8)
+.\"
+.TH "NFSDCLTS" "8" "2020-05-09" "nfsdclnts" "nfsdclnts"
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.ss \n[.ss] 0
+.nh
+.ad l
+.de URL
+\fI\\$2\fP <\\$1>\\$3
+..
+.als MTO URL
+.if \n[.g] \{\
+.  mso www.tmac
+.  am URL
+.    ad l
+.  .
+.  am MTO
+.    ad l
+.  .
+.  LINKSTYLE blue R < >
+.\}
+.SH "NAME"
+nfsdclnts \- print various nfs client information for knfsd server.
+.SH "SYNOPSIS"
+.sp
+\fBnfsdclnts\fP [\fI\-h\fP] [\fI\-t type\fP] [\fI\-\-clientinfo\fP] [\fI\-\-hostname\fP] [\fI\-q\fP]
+.SH "DESCRIPTION"
+.sp
+The nfsdclnts(8) command parses the content present in /proc/fs/nfsd/clients/ directories. nfsdclnts(8) displays files which are open, locked, delegated by the nfs\-client. It also prints useful client information such as hostname, clientID, NFS version mounted by the nfs\-client.
+.SH "OPTIONS"
+.sp
+\fB\-t, \-\-type\fP=TYPE
+.RS 4
+Specify the type of file to be displayed. Takes only one TYPE at a time.
+.sp
+\fIopen\fP, \fIlock\fP, \fIdeleg\fP, \fIlayout\fP, or \fIall\fP
+.sp
+open: displays the open files by nfs\-client(s).
+.sp
+lock: displays the files locked by nfs\-client(s).
+.sp
+layout: displays the files for which layout is given.
+.sp
+deleg: displays delegated files information and delegation type.
+.sp
+all: prints all the above type.
+.RE
+.sp
+\fB\-\-clientinfo\fP
+.RS 4
+displays various nfs\-client info fields such as version of nfs mounted at nfs\-client and clientID.
+.RE
+.sp
+\fB\-\-hostname\fP
+.RS 4
+Print hostname of nfs\-client instead of ip-address.
+.RE
+.sp
+\fB\-q, \-\-quiet\fP
+.RS 4
+Hide the header information.
+.RE
+.sp
+\fB\-v, \-\-verbose\fP
+.RS 4
+Verbose operation, show debug messages.
+.RE
+.sp
+\fB\-f, \-\-file\fP
+.RS 4
+Instead of processing all client directories under /proc/fs/nfsd/clients, one can provide a specific
+states file to process. One should make sure that info file resides in the same directory as states file.
+If the info file is not valid or present the fields would be marked as "N/A".
+.RE
+.sp
+\fB\-h, \-\-help\fP
+.RS 4
+Print help explaining the command line options.
+.SH "EXAMPLES"
+.sp
+\fBnfsdclnts \-\-type open\fP
+.RS 4
+List all files with open type only.
+.RE
+.sp
+.if n .RS 4
+.nf
+Inode number | Type   | Access | Deny | ip address            | Filename
+33823232     | open   | r\-     | \-\-   | [::1]:757             | testfile
+.fi
+.if n .RE
+.sp
+\fBnfsdclnts \-\-type deleg\fP
+.RS 4
+List all files with deleg type only.
+.RE
+.sp
+.if n .RS 4
+.nf
+Inode number | Type   | Access | ip address            | Filename
+33823232     | deleg  | r      | [::1]:757             | testfile
+.fi
+.if n .RE
+.sp
+\fBnfsdclnts \-\-hostname\fP
+.RS 4
+Print hostname instead of ip\-address.
+.RE
+.sp
+.if n .RS 4
+.nf
+Inode number | Type   | Access | Deny | Hostname              | Filename
+33823232     | open   | r\-     | \-\-   | nfs\-server            | testfile
+33823232     | deleg  | r      |      | nfs\-server            | testfile
+.fi
+.if n .RE
+.sp
+\fBnfsdclnts \-\-clientinfo\fP
+.RS 4
+Print client information.
+.RE
+.sp
+.if n .RS 4
+.nf
+Inode number | Type   | Access | Deny | ip address            | Client ID           | vers | Filename
+33823232     | open   | r\-     | \-\-   | [::1]:757             | 0xc79a009f5eb65e84  | 4.2  | testfile
+33823232     | deleg  | r      |      | [::1]:757             | 0xc79a009f5eb65e84  | 4.2  | testfile
+.fi
+.if n .RE
+.sp
+\fBnfsdclnts \-\-file /proc/fs/nfsd/clients/3/states -t open\fP
+.RS 4
+Process specific states file.
+.RE
+.sp
+.if n .RS 4
+.nf
+Inode number | Type   | Access | Deny | ip address            | Client ID           | vers | Filename
+33823232     | open   | r\-     | \-\-   | [::1]:757             | 0xc79a009f5eb65e84  | 4.2  | testfile
+.fi
+.if n .RE
+.sp
+\fBnfsdclnts \-\-quiet \-\-hostname\fP
+.RS 4
+Hide the header information.
+.RE
+.sp
+.if n .RS 4
+.nf
+33823232     | open   | r\-     | \-\-   | nfs\-server            | testfile
+33823232     | deleg  | r      |      | nfs\-server            | testfile
+.fi
+.if n .RE
+.SH "FILES"
+.sp
+\fB/proc/fs/nfsd/clients/\fP
+.sp
+Displays basic information about each NFSv4 client.
+.sp
+\fB/proc/fs/nfsd/clients/#/info\fP
+.sp
+Displays information about all the opens held by the given client, including open modes, device numbers, inode numbers, and open owners.
+.sp
+\fB/proc/fs/nfsd/clients/#/states\fP
+.SH "NOTES"
+.sp
+/proc/fs/nfsd/clients/ support was initially introduced in 5.3 kernel and is only implemented for mount points using NFSv4.
+.SH "BUGS"
+Please report any BUGs to \c
+.MTO "linux\-nfs\(atvger.kernel.org" "" ""
+.SH SEE ALSO
+.BR nfsd (8),
+.BR exportfs (8),
+.BR idmapd (8),
+.BR statd (8)
+.SH "AUTHORS"
+Achilles Gaikwad <agaikwad@redhat.com> and
+Kenneth D'souza  <kdsouza@redhat.com>
diff --git a/tools/nfsdclnts/nfsdclnts.py b/tools/nfsdclnts/nfsdclnts.py
new file mode 100755
index 0000000..b7280f2
--- /dev/null
+++ b/tools/nfsdclnts/nfsdclnts.py
@@ -0,0 +1,255 @@
+#!/usr/bin/python3
+# -*- python-mode -*-
+'''
+    Copyright (C) 2020
+    Authors:    Achilles Gaikwad <agaikwad@redhat.com>
+                Kenneth  D'souza <kdsouza@redhat.com>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+'''
+
+import multiprocessing as mp
+import os
+import signal
+import sys
+
+try:
+    import argparse
+except ImportError:
+    print('%s:  Failed to import argparse - make sure argparse is installed!'
+        % sys.argv[0])
+    sys.exit(1)
+try:
+    import yaml
+except ImportError:
+    print('%s:  Failed to import yaml - make sure python3-pyyaml is installed!'
+        % sys.argv[0])
+    sys.exit(1)
+
+BBOLD = '\033[1;30;47m' #Bold black text with white background.
+ENDC = '\033[m' #Rest to defaults
+
+def init_worker():
+    signal.signal(signal.SIGINT, signal.SIG_IGN)
+
+# this function converts the info file to a dictionary format, sorta. 
+def file_to_dict(path):
+    client_info = {}
+    try:
+        with open(path) as f:
+            for line in f:
+                try:
+                    (key, val) = line.split(':', 1)
+                    client_info[key] = val.strip()
+                    # FIXME: There has to be a better way of converting the info file to a dictionary.
+                except ValueError as reason:
+                    if verbose:
+                        print('Exception occured, %s' % reason)
+
+        if len(client_info) == 0 and verbose:
+            print("Provided %s file is not valid" %path)
+        return client_info
+
+    except OSError as reason:
+        if verbose:
+            print('%s' % reason)
+
+# this function gets the paths from /proc/fs/nfsd/clients/
+# returns a list of paths for each client which has nfs-share mounted.
+def getpaths():
+    path = []
+    try:
+        dirs = os.listdir('/proc/fs/nfsd/clients/')
+    except OSError as reason:
+        exit('%s' % reason)
+    if len(dirs) !=0:
+	    for i in dirs:
+                path.append('/proc/fs/nfsd/clients/' + i + '/states')
+	    return (path)
+    else:
+        exit('Nothing to process')
+
+# A single function to rule them all, in this function we gather all the data
+# from already populated data_list and client_info.
+def printer(data_list, argument):
+    client_info_path = data_list.pop()
+    client_info = file_to_dict(client_info_path)
+    for i in data_list:
+        for key in i:
+            inode = i[key]['superblock'].split(':')[-1]
+            # The ip address is quoted, so we dequote it.
+            try:
+                client_ip = client_info['address'][1:-1]
+            except:
+                client_ip = "N/A"
+            try:
+                # if the nfs-server reboots while the nfs-client holds the files open,
+                # the nfs-server would print the filename as '/'. For such instaces we
+                # print the output as disconnected dentry instead of '/'.
+                if(i[key]['filename']=='/'):
+                    fname = 'disconnected dentry'
+                else:
+                    fname = i[key]['filename'].split('/')[-1]
+            except KeyError:
+                # for older kernels which do not have the fname patch in kernel, they
+                # won't be able to see the fname field. Therefore post it as N/A.
+                fname = "N/A"
+            otype = i[key]['type']
+            try:
+                access = i[key]['access']
+            except:
+                access = ''
+            try:
+                deny = i[key]['deny']
+            except:
+                deny = ''
+            try:
+                hostname = client_info['name'].split()[-1].split('"')[0]
+                hostname =  hostname.split('.')[0]
+                # if the hostname is too long, it messes up with the output being in columns,
+                # therefore we truncate the hostname followed by two '..' as suffix.
+                if len(hostname) > 20:
+                    hostname = hostname[0:20] + '..'
+            except:
+                hostname = "N/A"
+            try:
+                clientid = client_info['clientid']
+            except:
+                clientid = "N/A"
+            try:
+                minorversion = "4." + client_info['minor version']
+            except:
+                minorversion = "N/A"
+
+            otype = i[key]['type']
+            # since some fields do not have deny column, we drop those if -t is either
+            # layout or lock.
+            drop = ['layout', 'lock']
+
+            # Printing the output this way instead of a single string which is concatenated
+            # this makes it better to quickly add more columns in future.
+            if(otype == argument.type or  argument.type == 'all'):
+                print('%-13s' %inode, end='| ')
+                print('%-7s' %otype, end='| ')
+                if (argument.type not in drop):
+                    print('%-7s' %access, end='| ')
+                if (argument.type not in drop and argument.type !='deleg'):
+                    print('%-5s' %deny, end='| ')
+                if (argument.hostname == True):
+                    print('%-22s' %hostname, end='| ')
+                else:
+                   print('%-22s' %client_ip, end='| ')
+                if (argument.clientinfo == True) :
+                    print('%-20s' %clientid, end='| ')
+                    print('%-5s' %minorversion, end='| ')
+                print(fname)
+
+def opener(path):
+    try:
+        with open(path, 'r') as nfsdata:
+            try:
+                data = yaml.load(nfsdata, Loader = yaml.BaseLoader)
+                if data is not None:
+                    clientinfo = path.rsplit('/', 1)[0] + '/info'
+                    data.append(clientinfo)
+                return data
+            except:
+                if verbose:
+                    print("Exception occurred, Please make sure %s is a YAML file" %path)
+
+    except OSError as reason:
+        if verbose:
+            print('%s' % reason)
+
+def print_cols(argument):
+    title_inode = 'Inode number'
+    title_otype = 'Type'
+    title_access = 'Access'
+    title_deny = 'Deny'
+    title_fname = 'Filename'
+    title_clientID = 'Client ID'
+    title_hostname = 'Hostname'
+    title_ip = 'ip address'
+    title_nfsvers = 'vers'
+
+    drop = ['lock', 'layout']
+    print(BBOLD, end='')
+    print('%-13s' %title_inode, end='| ')
+    print('%-7s' %title_otype, end='| ')
+    if (argument.type not in drop):
+        print('%-7s' %title_access, end='| ')
+    if (argument.type not in drop and argument.type !='deleg'):
+        print('%-5s' %title_deny, end='| ')
+    if (argument.hostname == True):
+        print('%-22s' %title_hostname, end='| ')
+    else:
+        print('%-22s' %title_ip, end='| ')
+    if (argument.clientinfo == True):
+        print('%-20s' %title_clientID, end='| ')
+        print('%-5s' %title_nfsvers, end='| ')
+    print(title_fname, end='')
+    print(ENDC)
+
+def nfsd4_show():
+
+    parser = argparse.ArgumentParser(description = 'Parse the nfsd states and clientinfo files.')
+    parser.add_argument('-t', '--type', metavar = 'type', type = str, choices = ['open',
+        'deleg', 'lock', 'layout', 'all'],
+        default = 'all',
+        help = 'Input the type that you want to be printed: open, lock, deleg, layout, all')
+    parser.add_argument('--clientinfo', action = 'store_true',
+        help = 'output clients information, --hostname is implied.')
+    parser.add_argument('--hostname', action = 'store_true',
+        help = 'print hostname of client instead of its ip address. Longer hostnames are truncated.')
+    parser.add_argument('-v', '--verbose', action = 'store_true',
+        help = 'Verbose operation, show debug messages.')
+    parser.add_argument('-f', '--file', nargs='+', type = str, metavar='',
+        help = 'pass client states file, provided that info file resides in the same directory.')
+    parser.add_argument('-q', '--quiet', action = 'store_true',
+        help = 'don\'t print the header information')
+
+    args = parser.parse_args()
+
+    global verbose
+    verbose = False
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+    if args.verbose:
+        verbose = True
+
+    if args.file:
+        paths = args.file
+    else:
+        paths = getpaths()
+
+    p = mp.Pool(mp.cpu_count(), init_worker)
+    try:
+        result = p.map(opener, paths)
+        ### Drop None entries from list
+        final_result = list(filter(None, result))
+        p.close()
+        p.join()
+
+        if len(final_result) !=0 and not args.quiet:
+            print_cols(args)
+
+        for item in final_result:
+            printer(item, args)
+
+    except KeyboardInterrupt:
+        print('Caught KeyboardInterrupt, terminating workers')
+        p.terminate()
+        p.join()
+
+if __name__ == "__main__":
+    nfsd4_show()
diff --git a/tools/nfsrahead/99-nfs.rules b/tools/nfsrahead/99-nfs.rules
new file mode 100644
index 0000000..c74914b
--- /dev/null
+++ b/tools/nfsrahead/99-nfs.rules
@@ -0,0 +1 @@
+SUBSYSTEM=="bdi", ACTION=="add", PROGRAM="/usr/libexec/nfsrahead %k", ATTR{read_ahead_kb}="%c"
diff --git a/tools/nfsrahead/99-nfs.rules.in b/tools/nfsrahead/99-nfs.rules.in
new file mode 100644
index 0000000..648813c
--- /dev/null
+++ b/tools/nfsrahead/99-nfs.rules.in
@@ -0,0 +1 @@
+SUBSYSTEM=="bdi", ACTION=="add", PROGRAM="_libexecdir_/nfsrahead %k", ATTR{read_ahead_kb}="%c"
diff --git a/tools/nfsrahead/Makefile.am b/tools/nfsrahead/Makefile.am
new file mode 100644
index 0000000..7e08233
--- /dev/null
+++ b/tools/nfsrahead/Makefile.am
@@ -0,0 +1,16 @@
+libexec_PROGRAMS = nfsrahead
+nfsrahead_SOURCES = main.c
+nfsrahead_LDFLAGS= $(LIBMOUNT_LIBS)
+nfsrahead_LDADD = ../../support/nfs/libnfsconf.la
+
+man5_MANS = nfsrahead.man
+EXTRA_DIST = $(man5_MANS)
+
+udev_rulesdir = /usr/lib/udev/rules.d/
+udev_rules_DATA = 99-nfs.rules
+
+99-nfs.rules: 99-nfs.rules.in $(builddefs)
+	$(SED) "s|_libexecdir_|@libexecdir@|g" 99-nfs.rules.in > $@
+
+clean-local:
+	$(RM) 99-nfs.rules
diff --git a/tools/nfsrahead/Makefile.in b/tools/nfsrahead/Makefile.in
new file mode 100644
index 0000000..41d8159
--- /dev/null
+++ b/tools/nfsrahead/Makefile.in
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+
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+	$(SED) "s|_libexecdir_|@libexecdir@|g" 99-nfs.rules.in > $@
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diff --git a/tools/nfsrahead/main.c b/tools/nfsrahead/main.c
new file mode 100644
index 0000000..8a11cf1
--- /dev/null
+++ b/tools/nfsrahead/main.c
@@ -0,0 +1,192 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <libmount/libmount.h>
+#include <sys/sysmacros.h>
+
+#include "xlog.h"
+#include "conffile.h"
+
+#ifndef MOUNTINFO_PATH
+#define MOUNTINFO_PATH "/proc/self/mountinfo"
+#endif
+
+#define CONF_NAME "nfsrahead"
+#define NFS_DEFAULT_READAHEAD 128
+
+/* Device information from the system */
+struct device_info {
+	char *device_number;
+	dev_t dev;
+	char *mountpoint;
+	char *fstype;
+};
+
+/* Convert a string in the format n:m to a device number */
+static int fill_device_number(struct device_info *info)
+{
+	char *s = strdup(info->device_number), *p;
+	char *maj_s, *min_s;
+	unsigned int maj, min;
+	int err = -EINVAL;
+
+	maj_s = p = s;
+	for ( ; *p != ':' && *p != '\0'; p++)
+		;
+
+	if (*p == '\0')
+		goto out_free;
+
+	err = 0;
+	*p = '\0';
+	min_s = p + 1;
+
+	maj = strtol(maj_s, NULL, 10);
+	min = strtol(min_s, NULL, 10);
+
+	info->dev = makedev(maj, min);
+out_free:
+	free(s);
+	return err;
+}
+
+#define sfree(ptr) if (ptr) free(ptr)
+
+/* device_info maintenance */
+static void init_device_info(struct device_info *di, const char *device_number)
+{
+	di->device_number = strdup(device_number);
+	di->dev = 0;
+	di->mountpoint = NULL;
+	di->fstype = NULL;
+}
+
+
+static void free_device_info(struct device_info *di)
+{
+	sfree(di->mountpoint);
+	sfree(di->fstype);
+	sfree(di->device_number);
+}
+
+static int get_mountinfo(const char *device_number, struct device_info *device_info, const char *mountinfo_path)
+{
+	int ret = 0;
+	struct libmnt_table *mnttbl;
+	struct libmnt_fs *fs;
+	char *target;
+
+	init_device_info(device_info, device_number);
+	if ((ret = fill_device_number(device_info)) < 0)
+		goto out_free_device_info;
+
+	mnttbl = mnt_new_table();
+
+	if ((ret = mnt_table_parse_file(mnttbl, mountinfo_path)) < 0) {
+		xlog(D_GENERAL, "Failed to parse %s\n", mountinfo_path);
+		goto out_free_tbl;
+	}
+
+	if ((fs = mnt_table_find_devno(mnttbl, device_info->dev, MNT_ITER_FORWARD)) == NULL) {
+		ret = ENOENT;
+		goto out_free_tbl;
+	}
+
+	if ((target = (char *)mnt_fs_get_target(fs)) == NULL) {
+		ret = ENOENT;
+		goto out_free_fs;
+	}
+
+	device_info->mountpoint = strdup(target);
+	target = (char *)mnt_fs_get_fstype(fs);
+	if (target)
+		device_info->fstype = strdup(target);
+
+out_free_fs:
+	mnt_free_fs(fs);
+out_free_tbl:
+	mnt_free_table(mnttbl);
+out_free_device_info:
+	free(device_info->device_number);
+	device_info->device_number = NULL;
+	return ret;
+}
+
+static int get_device_info(const char *device_number, struct device_info *device_info)
+{
+	int ret = ENOENT;
+	for (int retry_count = 0; retry_count < 10 && ret != 0; retry_count++)
+		ret = get_mountinfo(device_number, device_info, MOUNTINFO_PATH);
+
+	return ret;
+}
+
+static int conf_get_readahead(const char *kind) {
+	int readahead = 0;
+
+	if((readahead = conf_get_num(CONF_NAME, kind, -1)) == -1)
+		readahead = conf_get_num(CONF_NAME, "default", NFS_DEFAULT_READAHEAD);
+	
+	return readahead;
+}
+
+int main(int argc, char **argv)
+{
+	int ret = 0, retry, opt;
+	struct device_info device;
+	unsigned int readahead = 128, log_level, log_stderr = 0;
+
+
+	log_level = D_ALL & ~D_GENERAL;
+	while((opt = getopt(argc, argv, "dF")) != -1) {
+		switch (opt) {
+		case 'd':
+			log_level = D_ALL;
+			break;
+		case 'F':
+			log_stderr = 1;
+			break;
+		}
+	}
+
+	conf_init_file(NFS_CONFFILE);
+
+	xlog_stderr(log_stderr);
+	xlog_syslog(~log_stderr);
+	xlog_config(log_level, 1);
+	xlog_open(CONF_NAME);
+
+	// xlog_err causes the system to exit
+	if ((argc - optind) != 1)
+		xlog_err("expected the device number of a BDI; is udev ok?");
+
+	for (retry = 0; retry <= 10; retry++ )
+		if ((ret = get_device_info(argv[optind], &device)) == 0)
+			break;
+
+	if (ret != 0 || device.fstype == NULL) {
+		xlog(D_GENERAL, "unable to find device %s\n", argv[optind]);
+		goto out;
+	}
+
+	if (strncmp("nfs", device.fstype, 3) != 0) {
+		xlog(D_GENERAL,
+			"not setting readahead for non supported fstype %s on device %s\n",
+			device.fstype, argv[optind]);
+		ret = -EINVAL;
+		goto out;
+	}
+
+	readahead = conf_get_readahead(device.fstype);
+
+	xlog(D_FAC7, "setting %s readahead to %d\n", device.mountpoint, readahead);
+
+	printf("%d\n", readahead);
+
+out:
+	free_device_info(&device);
+	return ret;
+}
diff --git a/tools/nfsrahead/nfsrahead.man b/tools/nfsrahead/nfsrahead.man
new file mode 100644
index 0000000..5488f63
--- /dev/null
+++ b/tools/nfsrahead/nfsrahead.man
@@ -0,0 +1,72 @@
+.\" Manpage for nfsrahead.
+.nh
+.ad l
+.TH man 5 "08 Mar 2022" "1.0" "nfsrahead man page"
+.SH NAME
+
+nfsrahead \- Configure the readahead for NFS mounts
+
+.SH SYNOPSIS
+
+nfsrahead [-F] [-d] <device>
+
+.SH DESCRIPTION
+
+\fInfsrahead\fR is a tool intended to be used with udev to set the \fIread_ahead_kb\fR parameter of NFS mounts, according to the configuration file (see \fICONFIGURATION\fR). \fIdevice\fR is the device number for the NFS backing device as provided by the kernel.
+
+.SH OPTIONS
+.TP
+.B -F
+Send messages to 
+.I stderr 
+instead of
+.I syslog
+
+.TP
+.B -d
+Increase the debugging level.
+
+.SH CONFIGURATION
+.I nfsrahead
+is configured in
+.IR /etc/nfs.conf ,
+in the section titled
+.IR nfsrahead .
+It accepts the following configurations.
+
+.TP
+.B nfs=<value>
+The readahead value applied to NFSv3 mounts.
+
+.TP
+.B nfs4=<value>
+The readahead value applied to NFSv4 mounts.
+
+.TP
+.B default=<value>
+The default configuration when none of the configurations above is set.
+
+.SH EXAMPLE CONFIGURATION
+[nfsrahead]
+.br
+nfs=15000              # readahead of 15000 for NFSv3 mounts
+.br
+nfs4=16000             # readahead of 16000 for NFSv4 mounts
+.br
+default=128            # default is 128
+
+.SH SEE ALSO
+
+.BR mount.nfs (8),
+.BR nfs (5),
+.BR nfs.conf (5),
+.BR udev (7),
+.BR bcc-readahead (8)
+
+.SH BUGS
+
+No known bugs.
+
+.SH AUTHOR
+
+Thiago Rafael Becker <trbecker@gmail.com>
diff --git a/tools/nlmtest/Makefile.am b/tools/nlmtest/Makefile.am
new file mode 100644
index 0000000..fbf9fb3
--- /dev/null
+++ b/tools/nlmtest/Makefile.am
@@ -0,0 +1,7 @@
+## Process this file with automake to produce Makefile.in
+
+EXTRA_DIST = \
+	README \
+	host.h \
+	nlm_prot.x \
+	nlmtest.c
diff --git a/tools/nlmtest/Makefile.in b/tools/nlmtest/Makefile.in
new file mode 100644
index 0000000..efd6207
--- /dev/null
+++ b/tools/nlmtest/Makefile.in
@@ -0,0 +1,538 @@
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+
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+
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+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	cscopelist-am ctags-am distclean distclean-generic \
+	distclean-libtool distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tools/nlmtest/README b/tools/nlmtest/README
new file mode 100644
index 0000000..b54cb43
--- /dev/null
+++ b/tools/nlmtest/README
@@ -0,0 +1,5 @@
+
+This is a simple tool to test your lockd server. This is a very
+primitive program. To use it on your system, you have to edit
+host.h and adjust the inode and device numbers in nltest.c to
+suit your nfs server.
diff --git a/tools/nlmtest/host.h b/tools/nlmtest/host.h
new file mode 100644
index 0000000..b4f30df
--- /dev/null
+++ b/tools/nlmtest/host.h
@@ -0,0 +1,28 @@
+/*
+ * host.h
+ *
+ * Defaults for nlmtest
+ */
+
+#ifndef NLMTEST_HOST_H
+#define NLMTEST_HOST_H
+
+/*
+ * The host on which lockd runs
+ */
+#define NLMTEST_HOST		"crutch"
+
+/*
+ * NFS mount point
+ */
+#define NLMTEST_DIR		"../../mount/"
+
+/*
+ * The default file name and its inode version number.
+ * There's no way the test program can find out the version number,
+ * so you have to add it here.
+ */
+#define NLMTEST_FILE		NLMTEST_DIR "COPYING"
+#define NLMTEST_VERSION		1
+
+#endif /* NLMTEST_HOST_H */
diff --git a/tools/nlmtest/nlm_prot.x b/tools/nlmtest/nlm_prot.x
new file mode 100644
index 0000000..a425912
--- /dev/null
+++ b/tools/nlmtest/nlm_prot.x
@@ -0,0 +1,183 @@
+/* @(#)nlm_prot.x	2.1 88/08/01 4.0 RPCSRC */
+/* @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro */
+
+/*
+ * Network lock manager protocol definition
+ * Copyright (C) 1986 Sun Microsystems, Inc.
+ *
+ * protocol used between local lock manager and remote lock manager
+ */
+
+#ifdef RPC_CLNT
+%#include <string.h>
+#endif
+
+#ifdef RPC_HDR
+%#define LM_MAXSTRLEN	1024
+%#define MAXNAMELEN	LM_MAXSTRLEN+1
+#endif
+
+/*
+ * status of a call to the lock manager
+ */
+enum nlm_stats {
+	nlm_granted = 0,
+	nlm_denied = 1,
+	nlm_denied_nolocks = 2,
+	nlm_blocked = 3,
+	nlm_denied_grace_period = 4
+};
+
+struct nlm_holder {
+	bool exclusive;
+	int svid;
+	netobj oh;
+	unsigned l_offset;
+	unsigned l_len;
+};
+
+union nlm_testrply switch (nlm_stats stat) {
+	case nlm_denied:
+		struct nlm_holder holder;
+	default:
+		void;
+};
+
+struct nlm_stat {
+	nlm_stats stat;
+};
+
+struct nlm_res {
+	netobj cookie;
+	nlm_stat stat;
+};
+
+struct nlm_testres {
+	netobj cookie;
+	nlm_testrply stat;
+};
+
+struct nlm_lock {
+	string caller_name<LM_MAXSTRLEN>;
+	netobj fh;		/* identify a file */
+	netobj oh;		/* identify owner of a lock */
+	int svid;		/* generated from pid for svid */
+	unsigned l_offset;
+	unsigned l_len;
+};
+
+struct nlm_lockargs {
+	netobj cookie;
+	bool block;
+	bool exclusive;
+	struct nlm_lock alock;
+	bool reclaim;		/* used for recovering locks */
+	int state;		/* specify local status monitor state */
+};
+
+struct nlm_cancargs {
+	netobj cookie;		
+	bool block;
+	bool exclusive;
+	struct nlm_lock alock;
+};
+
+struct nlm_testargs {
+	netobj cookie;		
+	bool exclusive;
+	struct nlm_lock alock;
+};
+
+struct nlm_unlockargs {
+	netobj cookie;		
+	struct nlm_lock alock;
+};
+
+
+#ifdef RPC_HDR
+%/*
+% * The following enums are actually bit encoded for efficient
+% * boolean algebra.... DON'T change them.....
+% */
+#endif
+enum	fsh_mode {
+	fsm_DN  = 0,	/* deny none */
+	fsm_DR  = 1,	/* deny read */
+	fsm_DW  = 2,	/* deny write */
+	fsm_DRW = 3	/* deny read/write */
+};
+
+enum	fsh_access {
+	fsa_NONE = 0,	/* for completeness */
+	fsa_R    = 1,	/* read only */
+	fsa_W    = 2,	/* write only */
+	fsa_RW   = 3	/* read/write */
+};
+
+struct	nlm_share {
+	string caller_name<LM_MAXSTRLEN>;
+	netobj	fh;
+	netobj	oh;
+	fsh_mode	mode;
+	fsh_access	access;
+};
+
+struct	nlm_shareargs {
+	netobj	cookie;
+	nlm_share	share;
+	bool	reclaim;
+};
+
+struct	nlm_shareres {
+	netobj	cookie;
+	nlm_stats	stat;
+	int	sequence;
+};
+
+struct	nlm_notify {
+	string name<MAXNAMELEN>;
+	long state;
+};
+
+/*
+ * Over-the-wire protocol used between the network lock managers
+ */
+
+program NLM_PROG {
+	version NLM_VERS {
+
+		nlm_testres	NLM_TEST(struct nlm_testargs) =	1;
+
+		nlm_res		NLM_LOCK(struct nlm_lockargs) =	2;
+
+		nlm_res		NLM_CANCEL(struct nlm_cancargs) = 3;
+		nlm_res		NLM_UNLOCK(struct nlm_unlockargs) =	4;
+
+		/*
+		 * remote lock manager call-back to grant lock
+		 */
+		nlm_res		NLM_GRANTED(struct nlm_testargs)= 5;
+		/*
+		 * message passing style of requesting lock
+		 */
+		void		NLM_TEST_MSG(struct nlm_testargs) = 6;
+		void		NLM_LOCK_MSG(struct nlm_lockargs) = 7;
+		void		NLM_CANCEL_MSG(struct nlm_cancargs) =8;
+		void		NLM_UNLOCK_MSG(struct nlm_unlockargs) = 9;
+		void		NLM_GRANTED_MSG(struct nlm_testargs) = 10;
+		void		NLM_TEST_RES(nlm_testres) = 11;
+		void		NLM_LOCK_RES(nlm_res) = 12;
+		void		NLM_CANCEL_RES(nlm_res) = 13;
+		void		NLM_UNLOCK_RES(nlm_res) = 14;
+		void		NLM_GRANTED_RES(nlm_res) = 15;
+	} = 1;
+
+	version NLM_VERSX {
+		nlm_shareres	NLM_SHARE(nlm_shareargs) = 20;
+		nlm_shareres	NLM_UNSHARE(nlm_shareargs) = 21;
+		nlm_res		NLM_NM_LOCK(nlm_lockargs) = 22;
+		void		NLM_FREE_ALL(nlm_notify) = 23;
+	} = 3;
+
+} = 100021;
+
diff --git a/tools/nlmtest/nlmtest.c b/tools/nlmtest/nlmtest.c
new file mode 100644
index 0000000..d0acc47
--- /dev/null
+++ b/tools/nlmtest/nlmtest.c
@@ -0,0 +1,264 @@
+/*
+ * nlmtest
+ *
+ * Simple tool for NLM testing. You will have to adjust the values in
+ * host.h to your test system.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#include "config.h"
+
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <nfs/nfs.h>
+#include <getopt.h>
+#include "nlm_prot.h"
+#include "host.h"
+
+static char		myhostname[256];
+static int		hostnamelen;
+
+static void		makelock(struct nlm_lock *, u_int32_t, off_t, off_t);
+static void		makeowner(struct netobj *, u_int32_t);
+static void		makefileh(struct netobj *);
+static char *		nlm_stat_name(int status);
+static char *		holderstr(struct netobj *oh);
+
+int
+main(int argc, char **argv)
+{
+	CLIENT		*client;
+	nlm_testargs	testargs;
+	nlm_lockargs	lockargs;
+	nlm_unlockargs	unlockargs;
+	nlm_lock	alock;
+	nlm_testres	*testres;
+	nlm_res		*lockres;
+	char		*filename = NLMTEST_FILE;
+	char		*svchost = NLMTEST_HOST;
+	unsigned long	offset = 0, length = 0;
+	int		exclusive = 0;
+	int		blocking = 0;
+	int		unlock = 0;
+	u_int32_t		cookie = 4321;
+	u_int32_t		mypid = 1234;
+	int		c;
+
+	while ((c = getopt(argc, argv, "bf:h:l:o:p:ux")) != EOF) {
+		switch(c) {
+		case 'b':
+			blocking = 1;
+			break;
+		case 'f':
+			filename = optarg;
+			break;
+		case 'h':
+			svchost = optarg;
+			break;
+		case 'l':
+			length = atoi(optarg);
+			break;
+		case 'o':
+			offset = atoi(optarg);
+			break;
+		case 'p':
+			mypid = atoi(optarg);
+			break;
+		case 'u':
+			unlock = 1;
+			break;
+		case 'x':
+			exclusive = 1;
+			break;
+		default:
+			fprintf(stderr, "nlmtest: bad option %c\n", c);
+			exit (2);
+		}
+	}
+
+	client = clnt_create(svchost, NLM_PROG, NLM_VERS, "udp");
+	if (client == NULL) {
+		clnt_pcreateerror("localhost");
+		exit(1);
+	}
+
+	/* Get local host name */
+	if (gethostname(myhostname, sizeof(myhostname)) < 0)
+		strcpy(myhostname, "unknown");
+	hostnamelen = strlen(myhostname);
+
+	makelock(&alock, mypid, offset, length);
+
+	testargs.cookie.n_bytes = (void*)&cookie;
+	testargs.cookie.n_len   = 4;
+	testargs.exclusive      = exclusive;
+	testargs.alock          = alock;
+
+	if ((testres = nlm_test_1(&testargs, client)) == NULL) {
+		clnt_perror(client, "nlm_test call failed:");
+		exit (1);
+	}
+	printf ("nlm_test reply:\n"
+		"\tcookie:      %d\n"
+		"\tstatus:      %s\n",
+			*(int*)(testres->cookie.n_bytes),
+			nlm_stat_name(testres->stat.stat)
+		);
+
+	if (testres->stat.stat == nlm_denied) {
+		nlm_holder *holder = &(testres->stat.nlm_testrply_u.holder);
+		printf ("\tconflicting lock:\n"
+			"\t oh:         %s\n"
+			"\t pid:        %d\n"
+			"\t offset:     %d\n"
+			"\t length:     %d\n"
+			"\t exclusive:  %d\n",
+			holderstr(&holder->oh),
+			holder->svid,
+			holder->l_offset,
+			holder->l_len,
+			holder->exclusive);
+	}
+
+	if (testres->stat.stat != nlm_granted && !unlock && !blocking)
+		return 1;
+
+	if (unlock) {
+		unlockargs.cookie.n_bytes = (void*)&cookie;
+		unlockargs.cookie.n_len   = sizeof(cookie);
+		unlockargs.alock          = alock;
+
+		if ((lockres = nlm_unlock_1(&unlockargs, client)) == NULL) {
+			clnt_perror(client, "nlm_unlock call failed:");
+			exit (1);
+		}
+		printf ("nlm_unlock reply:\n"
+			"\tcookie:      %d\n"
+			"\tstatus:      %s\n",
+				*(int*)(lockres->cookie.n_bytes),
+				nlm_stat_name(lockres->stat.stat)
+			);
+	} else {
+		lockargs.cookie.n_bytes = (void*)&cookie;
+		lockargs.cookie.n_len   = sizeof(cookie);
+		lockargs.exclusive      = exclusive;
+		lockargs.alock          = alock;
+		lockargs.reclaim        = 0;
+		lockargs.state          = 0;
+
+		if ((lockres = nlm_lock_1(&lockargs, client)) == NULL) {
+			clnt_perror(client, "nlm_lock call failed:");
+			exit (1);
+		}
+		printf ("nlm_lock reply:\n"
+			"\tcookie:      %d\n"
+			"\tstatus:      %s\n",
+				*(int*)(lockres->cookie.n_bytes),
+				nlm_stat_name(lockres->stat.stat)
+			);
+	}
+
+	return 0;
+}
+
+static char *
+nlm_stat_name(int status)
+{
+	static char	buf[12];
+
+	switch (status) {
+	case nlm_granted:
+		return "nlm_granted";
+	case nlm_denied:
+		return "nlm_denied";
+	case nlm_denied_nolocks:
+		return "nlm_denied_nolocks";
+	case nlm_blocked:
+		return "nlm_blocked";
+	case nlm_denied_grace_period:
+		return "nlm_denied_grace_period";
+	}
+	sprintf(buf, "%d", status);
+	return buf;
+}
+
+static char *
+holderstr(struct netobj *oh)
+{
+	static char	buffer[4096];
+	unsigned char	c, *sp;
+	int		i;
+
+	for (i = 0, sp = buffer; i < oh->n_len; i++) {
+		c = (unsigned char) oh->n_bytes[i];
+		if (c < 0x20 || c > 0x7f)
+			sp += sprintf(sp, "\\%03o", c);
+		else
+			*sp++ = c;
+	}
+	*sp++ = '\0';
+
+	return buffer;
+}
+
+static void
+makelock(struct nlm_lock *alock, u_int32_t mypid, off_t offset, off_t length)
+{
+	makeowner(&alock->oh, mypid);	/* Create owner handle */
+	makefileh(&alock->fh);		/* Create file handle */
+
+	alock->caller_name = myhostname;
+	alock->svid        = mypid;
+	alock->l_offset    = offset;
+	alock->l_len       = length;
+}
+
+static void
+makeowner(struct netobj *oh, u_int32_t mypid)
+{
+	static char	ohdata[1024];
+
+	oh->n_bytes = ohdata;
+	oh->n_len   = hostnamelen + 1 + 4;
+
+	strcpy(ohdata, myhostname);
+	memcpy(ohdata + hostnamelen + 1, &mypid, 4);
+}
+
+static void
+makefileh(struct netobj *fh)
+{
+	static struct knfs_fh	f;
+	struct stat		stb;
+#error this needs updating if it is still wanted
+	memset(&f, 0, sizeof(f));
+#if 0
+	if (stat(NLMTEST_DIR, &stb) < 0) {
+		perror("couldn't stat mount point " NLMTEST_DIR);
+		exit(1);
+	}
+	f.fh_xdev = stb.st_dev;
+	f.fh_xino = stb.st_ino;
+
+	if (stat(NLMTEST_DIR, &stb) < 0) {
+		perror("couldn't stat mount point " NLMTEST_DIR);
+		exit(1);
+	}
+	f.fh_dev = stb.st_dev;
+	f.fh_ino = stb.st_ino;
+
+	f.fh_version = NLMTEST_VERSION;
+#else
+	f.fh_xdev = 0x801;
+	f.fh_xino = 37596;
+	f.fh_dev  = 0x801;
+	f.fh_ino  = 37732;
+#endif
+
+	fh->n_len   = 32;
+	fh->n_bytes = (void *) &f;
+}
diff --git a/tools/rpcctl/Makefile.am b/tools/rpcctl/Makefile.am
new file mode 100644
index 0000000..33fb431
--- /dev/null
+++ b/tools/rpcctl/Makefile.am
@@ -0,0 +1,13 @@
+## Process this file with automake to produce Makefile.in
+PYTHON_FILES =  rpcctl.py
+
+man8_MANS = rpcctl.man
+
+EXTRA_DIST = $(man8_MANS) $(PYTHON_FILES)
+
+all-local: $(PYTHON_FILES)
+
+install-data-hook:
+	$(INSTALL) -m 755 rpcctl.py $(DESTDIR)$(sbindir)/rpcctl
+
+MAINTAINERCLEANFILES=Makefile.in
diff --git a/tools/rpcctl/Makefile.in b/tools/rpcctl/Makefile.in
new file mode 100644
index 0000000..f678865
--- /dev/null
+++ b/tools/rpcctl/Makefile.in
@@ -0,0 +1,621 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
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+
+install-man: install-man8
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man
+
+uninstall-man: uninstall-man8
+
+.MAKE: install-am install-data-am install-strip
+
+.PHONY: all all-am all-local check check-am clean clean-generic \
+	clean-libtool cscopelist-am ctags-am distclean \
+	distclean-generic distclean-libtool distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-data-hook install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags-am uninstall uninstall-am uninstall-man uninstall-man8
+
+.PRECIOUS: Makefile
+
+
+all-local: $(PYTHON_FILES)
+
+install-data-hook:
+	$(INSTALL) -m 755 rpcctl.py $(DESTDIR)$(sbindir)/rpcctl
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tools/rpcctl/rpcctl.man b/tools/rpcctl/rpcctl.man
new file mode 100644
index 0000000..b87ba0d
--- /dev/null
+++ b/tools/rpcctl/rpcctl.man
@@ -0,0 +1,67 @@
+.\"
+.\" rpcctl(8)
+.\"
+.TH rpcctl 8 "15 Feb 2022"
+.SH NAME
+rpcctl \- Displays SunRPC connection information
+.SH SYNOPSIS
+.nf
+.BR rpcctl " [ \fB\-h \fR| \fB\-\-help \fR] { \fBclient \fR| \fBswitch \fR| \fBxprt \fR}"
+.P
+.BR "rpcctl client" " \fR[ \fB\-h \fR| \fB\-\-help \fR] { \fBshow \fR}"
+.BR "rpcctl client show " "\fR[ \fB\-h \f| \fB\-\-help \fR] [ \fIXPRT \fR]"
+.P
+.BR "rpcctl switch" " \fR[ \fB\-h \fR| \fB\-\-help \fR] { \fBset \fR| \fBshow \fR}"
+.BR "rpcctl switch set" " \fR[ \fB\-h \fR| \fB\-\-help \fR] \fISWITCH \fBdstaddr \fINEWADDR"
+.BR "rpcctl switch show" " \fR[ \fB\-h \fR| \fB\-\-help \fR] [ \fISWITCH \fR]"
+.P
+.BR "rpcctl xprt" " \fR[ \fB\-h \fR| \fB\-\-help \fR] { \fBremove \fR| \fBset \fR| \fBshow \fR}"
+.BR "rpcctl xprt remove" " \fR[ \fB\-h \fR| \fB\-\-help \fR] \fIXPRT"
+.BR "rpcctl xprt set" " \fR[ \fB\-h \fR| \fB\-\-help \fR] \fIXPRT \fR{ \fBdstaddr \fINEWADDR \fR| \fBoffline \fR| \fBonline \fR}"
+.BR "rpcctl xprt show" " \fR[ \fB\-h \fR| \fB\-\-help \fR] [ \fIXPRT \fR]"
+.fi
+.SH DESCRIPTION
+.RB "The " rpcctl " command displays information collected in the SunRPC sysfs files about the system's SunRPC objects.
+.P
+.SS rpcctl client \fR- \fBCommands operating on RPC clients
+.IP "\fBshow \fR[ \fICLIENT \fR] \fB(default)"
+Show detailed information about the RPC clients on this system.
+If \fICLIENT \fRwas provided, then only show information about a single RPC client.
+.P
+.SS rpcctl switch \fR- \fBCommands operating on groups of transports
+.IP "\fBset \fISWITCH \fBdstaddr \fINEWADDR"
+Change the destination address of all transports in the \fISWITCH \fRto \fINEWADDR\fR.
+\fINEWADDR \fRcan be an IP address, DNS name, or anything else resolvable by \fBgethostbyname\fR(3).
+.IP "\fBshow \fR[ \fISWITCH \fR] \fB(default)"
+Show detailed information about groups of transports on this system.
+If \fISWITCH \fRwas provided, then only show information about a single transport group.
+.P
+.SS rpcctl xprt \fR- \fBCommands operating on individual transports
+.IP "\fBremove \fIXPRT"
+Removes the specified \fIXPRT \fRfrom the system.
+Note that "main" transports cannot be removed.
+.P
+.IP "\fBset \fIXPRT \fBdstaddr \fINEWADDR"
+Change the destination address of the specified \fIXPRT \fR to \fINEWADDR\fR.
+\fINEWADDR \fRcan be an IP address, DNS name, or anything else resolvable by \fBgethostbyname\fR(3).
+.P
+.IP "\fBset \fIXPRT \fBoffline"
+Sets the specified \fIXPRT\fR's state to offline.
+.P
+.IP "\fBset \fIXPRT \fBonline"
+Sets the specified \fIXPRT\fR's state to online.
+.IP "\fBshow \fR[ \fIXPRT \fR] \fB(default)"
+Show detailed information about this system's transports.
+If \fIXPRT \fRwas provided, then only show information about a single transport.
+.SH EXAMPLES
+.IP "\fBrpcctl switch show switch-2"
+Show details about the RPC switch named "switch-2".
+.IP "\fBrpcctl xprt remove xprt-4"
+Remove the xprt named "xprt-4" from the system.
+.IP "\fBrpcctl xprt set xprt-3 dstaddr https://linux-nfs.org
+Change the dstaddr of the xprt named "xprt-3" to point to linux-nfs.org
+.SH DIRECTORY
+.TP
+.B /sys/kernel/sunrpc/
+.SH AUTHOR
+Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/tools/rpcctl/rpcctl.py b/tools/rpcctl/rpcctl.py
new file mode 100755
index 0000000..d2110ad
--- /dev/null
+++ b/tools/rpcctl/rpcctl.py
@@ -0,0 +1,262 @@
+#!/usr/bin/python3
+import argparse
+import collections
+import errno
+import os
+import pathlib
+import socket
+import sys
+
+with open("/proc/mounts", 'r') as f:
+    mount = [ line.split()[1] for line in f if "sysfs" in line ]
+    if len(mount) == 0:
+        print("ERROR: sysfs is not mounted")
+        sys.exit(1)
+
+sunrpc = pathlib.Path(mount[0]) / "kernel" / "sunrpc"
+if not sunrpc.is_dir():
+    print("ERROR: sysfs does not have sunrpc directory")
+    sys.exit(1)
+
+def read_addr_file(path):
+    try:
+        with open(path, 'r') as f:
+            return f.readline().strip()
+    except:
+        return "(enoent)"
+
+def write_addr_file(path, newaddr):
+    with open(path, 'w') as f:
+        f.write(newaddr)
+    return read_addr_file(path)
+
+def read_info_file(path):
+    res = collections.defaultdict(int)
+    try:
+        with open(path) as info:
+            lines = [ l.split("=", 1) for l in info if "=" in l ]
+            res.update({ key:int(val.strip()) for (key, val) in lines })
+    finally:
+        return res
+
+
+class Xprt:
+    def __init__(self, path):
+        self.path = path
+        self.name = path.stem.rsplit("-", 1)[0]
+        self.type = path.stem.split("-")[2]
+        self.info = read_info_file(path / "xprt_info")
+        self.dstaddr = read_addr_file(path / "dstaddr")
+        self.srcaddr = read_addr_file(path / "srcaddr")
+        self.read_state()
+
+    def __lt__(self, rhs):
+        return self.name < rhs.name
+
+    def _xprt(self):
+        main = ", main" if self.info.get("main_xprt") else ""
+        return f"{self.name}: {self.type}, {self.dstaddr}, " \
+               f"port {self.info['dst_port']}, state <{self.state}>{main}"
+
+    def _src_reqs(self):
+        return f"	Source: {self.srcaddr}, port {self.info['src_port']}, " \
+               f"Requests: {self.info['num_reqs']}"
+
+    def _cong_slots(self):
+        return f"	Congestion: cur {self.info['cur_cong']}, win {self.info['cong_win']}, " \
+               f"Slots: min {self.info['min_num_slots']}, max {self.info['max_num_slots']}"
+
+    def _queues(self):
+        return f"	Queues: binding {self.info['binding_q_len']}, " \
+               f"sending {self.info['sending_q_len']}, pending {self.info['pending_q_len']}, " \
+               f"backlog {self.info['backlog_q_len']}, tasks {self.info['tasks_queuelen']}"
+
+    def __str__(self):
+        if not self.path.exists():
+            return f"{self.name}: has been removed"
+        return "\n".join([self._xprt(), self._src_reqs(),
+                          self._cong_slots(), self._queues() ])
+
+    def read_state(self):
+        if self.path.exists():
+            with open(self.path / "xprt_state") as f:
+                self.state = ','.join(f.readline().split()[1:])
+
+    def small_str(self):
+        main = " [main]" if self.info.get("main_xprt") else ""
+        return f"{self.name}: {self.type}, {self.dstaddr}{main}"
+
+    def set_dstaddr(self, newaddr):
+        self.dstaddr = write_addr_file(self.path / "dstaddr", newaddr)
+
+    def set_state(self, state):
+        if self.info.get("main_xprt"):
+            raise Exception(f"Main xprts cannot be set {state}")
+        with open(self.path / "xprt_state", 'w') as f:
+            f.write(state)
+        self.read_state()
+
+    def remove(self):
+        if self.info.get("main_xprt"):
+            raise Exception("Main xprts cannot be removed")
+        self.set_state("offline")
+        self.set_state("remove")
+
+    def add_command(subparser):
+        parser = subparser.add_parser("xprt", help="Commands for individual xprts")
+        parser.set_defaults(func=Xprt.show, xprt=None)
+        subparser = parser.add_subparsers()
+
+        remove = subparser.add_parser("remove", help="Remove an xprt")
+        remove.add_argument("xprt", metavar="XPRT", nargs=1,
+                            help="Name of the xprt to remove")
+        remove.set_defaults(func=Xprt.set_property, property="remove")
+
+        show = subparser.add_parser("show", help="Show xprts")
+        show.add_argument("xprt", metavar="XPRT", nargs='?',
+                          help="Name of a specific xprt to show")
+        show.set_defaults(func=Xprt.show)
+
+        set = subparser.add_parser("set", help="Change an xprt property")
+        set.add_argument("xprt", metavar="XPRT", nargs=1,
+                         help="Name of a specific xprt to modify")
+        subparser = set.add_subparsers(required=True)
+        online = subparser.add_parser("online", help="Set an xprt online")
+        online.set_defaults(func=Xprt.set_property, property="online")
+        offline = subparser.add_parser("offline", help="Set an xprt offline")
+        offline.set_defaults(func=Xprt.set_property, property="offline")
+        dstaddr = subparser.add_parser("dstaddr", help="Change an xprt's dstaddr")
+        dstaddr.add_argument("newaddr", metavar="NEWADDR", nargs=1,
+                             help="The new address for the xprt")
+        dstaddr.set_defaults(func=Xprt.set_property, property="dstaddr")
+
+    def get_by_name(name):
+        glob = f"**/{name}-*" if name else "**/xprt-*"
+        res = [ Xprt(x) for x in (sunrpc / "xprt-switches").glob(glob) ]
+        if name and len(res) == 0:
+            raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT),
+                                    f"{sunrpc / 'xprt-switches' / glob}")
+        return sorted(res)
+
+    def show(args):
+        for xprt in Xprt.get_by_name(args.xprt):
+            print(xprt)
+
+    def set_property(args):
+        for xprt in Xprt.get_by_name(args.xprt[0]):
+            if args.property == "dstaddr":
+                xprt.set_dstaddr(socket.gethostbyname(args.newaddr[0]))
+            elif args.property == "remove":
+                xprt.remove()
+            else:
+                xprt.set_state(args.property)
+        print(xprt)
+
+
+class XprtSwitch:
+    def __init__(self, path, sep=":"):
+        self.path = path
+        self.name = path.stem
+        self.info = read_info_file(path / "xprt_switch_info")
+        self.xprts = sorted([ Xprt(p) for p in self.path.iterdir() if p.is_dir() ])
+        self.sep = sep
+
+    def __lt__(self, rhs):
+        return self.name < rhs.name
+
+    def __str__(self):
+        switch =  f"{self.name}{self.sep} " \
+                  f"xprts {self.info['num_xprts']}, " \
+                  f"active {self.info['num_active']}, " \
+                  f"queue {self.info['queue_len']}"
+        xprts = [ f"	{x.small_str()}" for x in self.xprts ]
+        return "\n".join([ switch ] + xprts)
+
+    def add_command(subparser):
+        parser = subparser.add_parser("switch", help="Commands for xprt switches")
+        parser.set_defaults(func=XprtSwitch.show, switch=None)
+        subparser = parser.add_subparsers()
+
+        show = subparser.add_parser("show", help="Show xprt switches")
+        show.add_argument("switch", metavar="SWITCH", nargs='?',
+                          help="Name of a specific switch to show")
+        show.set_defaults(func=XprtSwitch.show)
+
+        set = subparser.add_parser("set", help="Change an xprt switch property")
+        set.add_argument("switch", metavar="SWITCH", nargs=1,
+                         help="Name of a specific xprt switch to modify")
+        subparser = set.add_subparsers(required=True)
+        dstaddr = subparser.add_parser("dstaddr", help="Change an xprt switch's dstaddr")
+        dstaddr.add_argument("newaddr", metavar="NEWADDR", nargs=1,
+                             help="The new address for the xprt switch")
+        dstaddr.set_defaults(func=XprtSwitch.set_property, property="dstaddr")
+
+    def get_by_name(name):
+        xprt_switches = sunrpc / "xprt-switches"
+        if name:
+            return [ XprtSwitch(xprt_switches / name) ]
+        return [ XprtSwitch(f) for f in sorted(xprt_switches.iterdir()) ]
+
+    def show(args):
+        for switch in XprtSwitch.get_by_name(args.switch):
+            print(switch)
+
+    def set_property(args):
+        for switch in XprtSwitch.get_by_name(args.switch[0]):
+            resolved = socket.gethostbyname(args.newaddr[0])
+            for xprt in switch.xprts:
+                xprt.set_dstaddr(resolved)
+        print(switch)
+
+
+class RpcClient:
+    def __init__(self, path):
+        self.path = path
+        self.name = path.stem
+        self.switch = XprtSwitch(path / (path / "switch").readlink(), sep=",")
+
+    def __lt__(self, rhs):
+        return self.name < rhs.name
+
+    def __str__(self):
+        return f"{self.name}: {self.switch}"
+
+    def add_command(subparser):
+        parser = subparser.add_parser("client", help="Commands for rpc clients")
+        parser.set_defaults(func=RpcClient.show, client=None)
+        subparser = parser.add_subparsers()
+
+        show = subparser.add_parser("show", help="Show rpc clients")
+        show.add_argument("client", metavar="CLIENT", nargs='?',
+                          help="Name of a specific rpc client to show")
+        parser.set_defaults(func=RpcClient.show)
+
+    def get_by_name(name):
+        rpc_clients = sunrpc / "rpc-clients"
+        if name:
+            return [ RpcClient(rpc_clients / name) ]
+        return [ RpcClient(f) for f in sorted(rpc_clients.iterdir()) ]
+
+    def show(args):
+        for client in RpcClient.get_by_name(args.client):
+            print(client)
+
+
+parser = argparse.ArgumentParser()
+
+def show_small_help(args):
+    parser.print_usage()
+    print("sunrpc dir:", sunrpc)
+parser.set_defaults(func=show_small_help)
+
+subparser = parser.add_subparsers(title="commands")
+RpcClient.add_command(subparser)
+XprtSwitch.add_command(subparser)
+Xprt.add_command(subparser)
+
+args = parser.parse_args()
+try:
+    args.func(args)
+except Exception as e:
+    print(str(e))
+    sys.exit(1)
diff --git a/tools/rpcdebug/Makefile.am b/tools/rpcdebug/Makefile.am
new file mode 100644
index 0000000..b0a3e1f
--- /dev/null
+++ b/tools/rpcdebug/Makefile.am
@@ -0,0 +1,9 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS = rpcdebug.man
+EXTRA_DIST = $(man8_MANS)
+
+sbin_PROGRAMS = rpcdebug
+rpcdebug_SOURCES = rpcdebug.c
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/tools/rpcdebug/Makefile.in b/tools/rpcdebug/Makefile.in
new file mode 100644
index 0000000..f612b53
--- /dev/null
+++ b/tools/rpcdebug/Makefile.in
@@ -0,0 +1,806 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+
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+
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+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/rpcdebug.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
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+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man8
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/rpcdebug.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+
+uninstall-man: uninstall-man8
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tools/rpcdebug/rpcdebug.c b/tools/rpcdebug/rpcdebug.c
new file mode 100644
index 0000000..ec05179
--- /dev/null
+++ b/tools/rpcdebug/rpcdebug.c
@@ -0,0 +1,364 @@
+/*
+ * Get or set RPC debug flags.
+ *
+ * I would have loved to write this without recourse to the sysctl
+ * interface, but the only plausible approach (reading and writing
+ * /dev/kmem at the offsets indicated by the _debug symbols from
+ * /proc/ksyms) didn't work, because /dev/kmem doesn't translate virtual
+ * addresses on write. Unfortunately, modules are stuffed into memory
+ * allocated via vmalloc.
+ *
+ * Copyright (C) 1996, 1997, Olaf Kirch <okir@monad.swb.de>
+ *           (C) 2004 <frederic.jolly@bull.ext.net>
+ *
+ * 06/15/2004: updated for NFSv4
+ *
+ */
+
+/* #include "config.h" */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <string.h>
+#include <malloc.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <libgen.h>
+/* RPC debug flags
+   #include <sunrpc/debug.h> */
+/* NFS debug flags
+   #include <nfs_fs.h> */
+/* NFSD and NLM debug flags
+   #include <nfsd/debug.h> */
+#include <nfs/debug.h>
+
+static int		verbose = 0;
+static char*            cdename;
+
+static unsigned int	find_flag(char **module, char *name);
+static unsigned int	get_flags(char *);
+static unsigned int	set_flags(char *, unsigned int value);
+static void		print_flags(FILE *, char *, unsigned int, int);
+static char *		strtolower(char *str);
+static void		usage(int excode, char *module);
+
+int
+main(int argc, char **argv)
+{
+	int		opt_s = 0,
+			opt_c = 0;
+	unsigned int	flags = 0, oflags;
+	char *		module = NULL;
+	int		c;
+
+	cdename = malloc(strlen(basename(argv[0])));
+	if (cdename == NULL) {
+	  fprintf(stderr, "failed in malloc\n");
+	  exit(1);
+        }
+	strcpy(cdename, basename(argv[0]));
+
+	if (!strcmp(cdename, "nfsdebug")) {
+	  module = "nfs";
+	}
+	else if (!strcmp(cdename, "nfsddebug")) {
+	  module = "nfsd";
+	}
+
+	while ((c = getopt(argc, argv, "chm:sv")) != EOF) {
+		switch (c) {
+		case 'c':
+			opt_c = 1;
+			break;
+		case 'h':
+			usage(0, module); /* usage does not return */
+			break;
+		case 'm':
+			module = optarg;
+			break;
+		case 's':
+			opt_s = 1;
+			break;
+		case 'v':
+			verbose++;
+			break;
+		default:
+		        fprintf(stderr, "%s: unknown option -%c\n", cdename, optopt);
+			usage(1, module);
+		}
+	}
+
+	if (opt_c + opt_s > 1) {
+		fprintf(stderr, "You can use at most one of -c and -s\n");
+		usage(1, module);
+	}
+
+	if (!module) {
+		fprintf(stderr, "%s: no module name specified.\n", cdename);
+		usage(1, module);
+	}
+
+	if (strcmp(module, "nfsd") &&
+	    strcmp(module, "nfs") &&
+	    strcmp(module, "nlm") &&
+	    strcmp(module, "rpc")) {
+	        fprintf(stderr, "%s: unknown module: %s\n", cdename, module);
+		usage(1, module);
+	}
+
+	if (argc == optind) {
+		flags = ~(unsigned int) 0;
+	} else {
+		for (; optind < argc; optind++)
+			flags |= find_flag(&module, argv[optind]);
+		if (flags && !opt_c)
+			opt_s = 1;
+	}
+
+	oflags = get_flags(module);
+
+	if (opt_c) {
+		oflags = set_flags(module, oflags & ~flags);
+	} else if (opt_s) {
+		oflags = set_flags(module, oflags | flags);
+	}
+	print_flags(stdout, module, oflags, 0);
+	if (verbose) {
+	        fprintf(stdout, "\nModule     Valid flags\n");
+	        print_flags(stdout, module, ~(unsigned int) 0, 1);
+	}
+
+	return 0;
+}
+
+#define FLAG(mname, fname)	\
+      { #mname, #fname, mname##DBG_##fname }
+
+static struct flagmap {
+	char *		module;
+	char *		name;
+	unsigned int	value;
+}			flagmap[] = {
+	/* rpc */
+	FLAG(RPC,	XPRT),
+	FLAG(RPC,	CALL),
+	FLAG(RPC,	DEBUG),
+	FLAG(RPC,	NFS),
+	FLAG(RPC,	AUTH),
+	FLAG(RPC,	BIND),
+	FLAG(RPC,	SCHED),
+	FLAG(RPC,	TRANS),
+	FLAG(RPC,	SVCSOCK),
+	FLAG(RPC,	SVCDSP),
+	FLAG(RPC,	MISC),
+	FLAG(RPC,	CACHE),
+	FLAG(RPC,	ALL),
+
+	/* nfs */
+	FLAG(NFS,	VFS),
+	FLAG(NFS,	DIRCACHE),
+	FLAG(NFS,	LOOKUPCACHE),
+	FLAG(NFS,	PAGECACHE),
+	FLAG(NFS,	PROC),
+	FLAG(NFS,       XDR),
+	FLAG(NFS,       FILE),
+	FLAG(NFS,       ROOT),
+	FLAG(NFS,       CALLBACK),
+	FLAG(NFS,       CLIENT),
+	FLAG(NFS,       MOUNT),
+	FLAG(NFS,       FSCACHE),
+	FLAG(NFS,       PNFS),
+	FLAG(NFS,       PNFS_LD),
+	FLAG(NFS,	STATE),
+	FLAG(NFS,	ALL),
+
+	/* nfsd */
+	FLAG(NFSD,	SOCK),
+	FLAG(NFSD,	FH),
+	FLAG(NFSD,	EXPORT),
+	FLAG(NFSD,	SVC),
+	FLAG(NFSD,	PROC),
+	FLAG(NFSD,	FILEOP),
+	FLAG(NFSD,	AUTH),
+	FLAG(NFSD,	REPCACHE),
+	FLAG(NFSD,	XDR),
+	FLAG(NFSD,	LOCKD),
+	FLAG(NFSD,	ALL),
+
+	/* lockd */
+	FLAG(NLM,	SVC),
+	FLAG(NLM,	CLIENT),
+	FLAG(NLM,	CLNTLOCK),
+	FLAG(NLM,	SVCLOCK),
+	FLAG(NLM,	MONITOR),
+	FLAG(NLM,	CLNTSUBS),
+	FLAG(NLM,	SVCSUBS),
+	FLAG(NLM,       HOSTCACHE),
+	FLAG(NLM,       XDR),
+	FLAG(NLM,	ALL),
+
+      { NULL,		NULL,		0 }
+};
+
+static unsigned int
+find_flag(char **module, char *name)
+{
+	char		*mod = *module;
+	unsigned int	value = 0;
+	int		i;
+
+	for (i = 0; flagmap[i].module; i++) {
+		if ((mod && strcasecmp(mod, flagmap[i].module))
+		 || strcasecmp(name, flagmap[i].name))
+			continue;
+		if (value) {
+			fprintf(stderr,
+				"%s: ambiguous symbol name %s.\n"
+				"This name is used by more than one module, "
+				"please specify the module name using\n"
+				"the -m option.\n",
+				cdename, name);
+			exit(1);
+		}
+		value = flagmap[i].value;
+		if (*module)
+			return value;
+		mod = flagmap[i].module;
+	}
+
+	if (!value) {
+		if (*module)
+			fprintf(stderr,
+				"%s: unknown module or flag %s/%s\n",
+				cdename, *module, name);
+		else
+			fprintf(stderr,
+				"%s: unknown flag %s\n",
+				cdename, name);
+		exit(1);
+	}
+
+	*module = mod;
+	return value;
+}
+
+static unsigned int
+get_flags(char *module)
+{
+	char	buffer[256], filename[256];
+	int	sysfd, len;
+
+	snprintf(filename, 256, "/proc/sys/sunrpc/%s_debug", module);
+
+	if ((sysfd = open(filename, O_RDONLY)) < 0) {
+		perror(filename);
+		exit(1);
+	}
+	if ((len = read(sysfd, buffer, sizeof(buffer))) <= 0) {
+		perror("read");
+		exit(1);
+	}
+	close(sysfd);
+	buffer[len - 1] = '\0';
+
+	return strtoul(buffer, NULL, 0);
+}
+
+static unsigned int
+set_flags(char *module, unsigned int value)
+{
+	char	buffer[64], filename[256];
+	int	sysfd, len, ret;
+
+	snprintf(filename, 256, "/proc/sys/sunrpc/%s_debug", module);
+
+	len = sprintf(buffer, "%d", value);
+	if ((sysfd = open(filename, O_WRONLY)) < 0) {
+		perror(filename);
+		exit(1);
+	}
+	if ((ret = write(sysfd, buffer, len)) < 0) {
+		perror("write");
+		exit(1);
+	}
+	if (ret < len) {
+		fprintf(stderr, "error: short write in set_flags!\n");
+		exit(1);
+	}
+	close(sysfd);
+	return value;
+}
+
+
+static char *
+strtolower(char *str)
+{
+	static char	temp[64];
+	char		*sp;
+
+	strcpy(temp, str);
+	for (sp = temp; *sp; sp++)
+		*sp = tolower(*sp);
+	return temp;
+}
+
+static void
+print_flags(FILE *ofp, char *module, unsigned int flags, int show_all)
+{
+	char		*lastmod = NULL;
+	unsigned int	shown = 0;
+	int		i;
+
+	if (module) {
+		fprintf(ofp, "%-10s", strtolower(module));
+		if (!flags) {
+			fprintf(ofp, "<no flags set>\n");
+			return;
+		}
+	}
+
+	for (i = 0, shown = 0; flagmap[i].module; i++) {
+		if (module) {
+			if (strcasecmp(flagmap[i].module, module))
+				continue;
+		} else if (!lastmod || strcmp(lastmod, flagmap[i].module)) {
+			if (lastmod) {
+				fprintf(ofp, "\n");
+				shown = 0;
+			}
+			fprintf(ofp, "%-10s", strtolower(flagmap[i].module));
+			lastmod = flagmap[i].module;
+		}
+		if (!(flags & flagmap[i].value)
+		 || (!show_all && (shown & flagmap[i].value))
+		 || (module && !strcasecmp(flagmap[i].name, "all")))
+			continue;
+		fprintf(ofp, " %s", strtolower(flagmap[i].name));
+		shown |= flagmap[i].value;
+	}
+	fprintf(ofp, "\n");
+}
+
+static void
+usage(int excode, char *module)
+{
+        if (module)
+	  fprintf(stderr, "usage: %s [-v] [-h] [-s flags...|-c flags...]\n", cdename);
+	else
+	  fprintf(stderr, "usage: %s [-v] [-h] [-m module] [-s flags...|-c flags...]\n", cdename);
+	fprintf(stderr, "       set or cancel debug flags.\n");
+	if (verbose) {
+	  fprintf(stderr, "\nModule     Valid flags\n");
+	  print_flags(stderr, module, ~(unsigned int) 0, 1);
+	} else {
+	  if (module)
+	    fprintf(stderr, "       (use %s -vh to get a list of valid flags)\n", cdename);
+	  else
+	    fprintf(stderr, "       (use %s -vh to get a list of modules and valid flags)\n", cdename);
+	}
+	exit (excode);
+}
+
diff --git a/tools/rpcdebug/rpcdebug.man b/tools/rpcdebug/rpcdebug.man
new file mode 100644
index 0000000..e65598a
--- /dev/null
+++ b/tools/rpcdebug/rpcdebug.man
@@ -0,0 +1,88 @@
+.\"
+.\" rpcdebug(8)
+.\" 
+.\" By Greg Banks <gnb@melbourne.sgi.com>
+.\" Copyright (c) 2006 Silicon Graphics, Inc.
+.\" Derived from nfsstat.man which bore the message:
+.\" Copyright (C) 1996-2005 Olaf Kirch <okir@suse.de>
+.TH rpcdebug 8 "5 Jul 2006"
+.SH NAME
+rpcdebug \- set and clear NFS and RPC kernel debug flags
+.SH SYNOPSIS
+\fBrpcdebug\fP \fB\-vh\fP
+.br
+\fBrpcdebug\fP \fB\-m\fP \fImodule\fP
+.br
+\fBrpcdebug\fP \fB\-m\fP \fImodule\fP \fB\-s\fP \fIflags\fP...
+.br
+\fBrpcdebug\fP \fB\-m\fP \fImodule\fP \fB\-c\fP \fIflags\fP...
+.br
+.SH DESCRIPTION
+The \fBrpcdebug\fP command allows an administrator to set and clear
+the Linux kernel's NFS client and server debug flags.  Setting these
+flags causes the kernel to emit messages to the system log in response
+to NFS activity; this is typically useful when debugging NFS problems.
+.PP
+The first form in the synopsis can be used to list all available
+debug flags.  The second form shows the currently set debug flags
+for the given module.  The third form sets one or more flags, and
+the fourth form clears one or more flags.
+.PP
+The value \fBall\fP may be used to set or clear all the flags for
+the given module.
+.SH OPTIONS
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.TP
+.B \-c
+Clear the given debug flags.
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.TP
+.B \-h
+Print a help message and exit.  When combined with the \fB\-v\fP
+option, also prints the available debug flags.
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.TP
+.BI \-m " module"
+Specify which module's flags to set or clear.  Available
+modules are:
+.RS
+.TP
+.BR nfsd
+The NFS server.
+.TP
+.BR nfs
+The NFS client.
+.TP
+.BR nlm
+The Network Lock Manager, in either an NFS client or server.
+.TP
+.BR rpc
+The Remote Procedure Call module, in either an NFS client or server.
+.RE
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.TP
+.B \-s
+Set the given debug flags.
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.TP
+.B \-v
+Increase the verbosity of \fBrpcdebug\fP's output.
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.SH FILES
+.TP
+.B /proc/sys/sunrpc/{rpc,nfs,nfsd,nlm}_debug
+procfs\-based interface to kernel debug flags.
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.SH SEE ALSO
+.BR rpc.nfsd (8),
+.BR nfs (5),
+.BR syslogd (8).
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.SH BUGS
+Bugs can be found or reported at
+.BR http://nfs.sf.net/ .
+.\" -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+.SH AUTHOR
+Program by Olaf Kirch <okir@suse.de> and
+<frederic.jolly@bull.ext.net>.
+Manpage by Greg Banks <gnb@melbourne.sgi.com>.
diff --git a/tools/rpcgen/Makefile.am b/tools/rpcgen/Makefile.am
new file mode 100644
index 0000000..457cd50
--- /dev/null
+++ b/tools/rpcgen/Makefile.am
@@ -0,0 +1,13 @@
+CLEANFILES = *~
+
+bin_PROGRAMS = rpcgen
+man_MANS = rpcgen.1
+
+EXTRA_DIST=${MANS}
+
+noinst_HEADERS = proto.h rpc_parse.h rpc_scan.h rpc_util.h
+
+rpcgen_SOURCES = rpc_clntout.c rpc_cout.c rpc_hout.c rpc_main.c \
+	rpc_parse.c rpc_sample.c rpc_scan.c rpc_svcout.c rpc_tblout.c \
+	rpc_util.c
+rpcgen_LDADD = $(LIBINTL)
diff --git a/tools/rpcgen/Makefile.in b/tools/rpcgen/Makefile.in
new file mode 100644
index 0000000..85bd78a
--- /dev/null
+++ b/tools/rpcgen/Makefile.in
@@ -0,0 +1,850 @@
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+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
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+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
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+	rm -f $$list
+
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	fi
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+	-rm -f ./$(DEPDIR)/rpc_main.Po
+	-rm -f ./$(DEPDIR)/rpc_parse.Po
+	-rm -f ./$(DEPDIR)/rpc_sample.Po
+	-rm -f ./$(DEPDIR)/rpc_scan.Po
+	-rm -f ./$(DEPDIR)/rpc_svcout.Po
+	-rm -f ./$(DEPDIR)/rpc_tblout.Po
+	-rm -f ./$(DEPDIR)/rpc_util.Po
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+	-rm -f ./$(DEPDIR)/rpc_parse.Po
+	-rm -f ./$(DEPDIR)/rpc_sample.Po
+	-rm -f ./$(DEPDIR)/rpc_scan.Po
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+	-rm -f ./$(DEPDIR)/rpc_tblout.Po
+	-rm -f ./$(DEPDIR)/rpc_util.Po
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diff --git a/tools/rpcgen/README b/tools/rpcgen/README
new file mode 100644
index 0000000..2f6bbf3
--- /dev/null
+++ b/tools/rpcgen/README
@@ -0,0 +1,8 @@
+
+ This directory contains the source for rpcgen.new from Sun TIRPC
+ source distribution. I cleaned it up a little so that it will
+ compile with gcc (without using -traditional), and modified the
+ output to avoid those silly warnings you usually get when compiling
+ an rpcgen-generated C file.
+
+ Olaf Kirch <okir@monad.swb.de> 8 Oct 1996
diff --git a/tools/rpcgen/proto.h b/tools/rpcgen/proto.h
new file mode 100644
index 0000000..ea28565
--- /dev/null
+++ b/tools/rpcgen/proto.h
@@ -0,0 +1,65 @@
+/****** rpc_clntout.c ******/
+
+void write_stubs(void);
+void printarglist(proc_list *proc, const char *result,
+		  const char *addargname, const char *addargtype);
+
+/****** rpc_cout.c ******/
+
+void emit (definition *def);
+
+/****** rpc_hout.c ******/
+
+void print_datadef(definition *def);
+void print_funcdef(definition *def);
+void pxdrfuncdecl(const char *name, int pointerp);
+void pprocdef(proc_list *proc, version_list *vp,
+	      const char *addargtype, int server_p, int mode);
+void pdeclaration(const char *name, declaration *dec, int tab,
+		  const char *separator);
+void print_xdr_func_def (char* name, int pointerp, int i);
+
+/****** rpc_main.c ******/
+	/* nil */
+
+/****** rpc_parse.c ******/
+definition *get_definition(void);
+
+/****** rpc_sample.c ******/
+void write_sample_svc(definition *def);
+int write_sample_clnt(definition *def);
+void add_sample_msg(void);
+void write_sample_clnt_main(void);
+
+/****** rpc_scan.c ******/
+   /* see rpc_scan.h */
+
+/****** rpc_svcout.c ******/
+int nullproc(const proc_list *proc);
+void write_svc_aux(int nomain);
+void write_msg_out(void);
+
+/****** rpc_tblout.c ******/
+void write_tables(void);
+
+/****** rpc_util.c ******/
+void reinitialize(void);
+int streq(const char *a, const char *b);
+void error(const char *msg) __attribute__ ((noreturn));
+void crash(void) __attribute__ ((noreturn));
+void tabify(FILE *f, int tab);
+char *make_argname(const char *pname, const char *vname);
+void add_type(int len, const char *type);
+
+/* This header is the last one included in all rpc_*.c files,
+   so we define stuff for cross-rpcgen here to avoid conflicts with
+   $build's C library and $host's glibc.  */
+
+#ifdef IS_IN_build
+
+/* Disable translated messages when built for $build and used in
+   building glibc.  */
+#define _(X) (X)
+#define textdomain(X) ((void) 0)
+
+#endif
diff --git a/tools/rpcgen/rpc_clntout.c b/tools/rpcgen/rpc_clntout.c
new file mode 100644
index 0000000..9b6a4aa
--- /dev/null
+++ b/tools/rpcgen/rpc_clntout.c
@@ -0,0 +1,333 @@
+/*
+ * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
+ * Copyright (c) 2010, Oracle America, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <string.h>
+// #include <rpc/types.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+#define DEFAULT_TIMEOUT 25	/* in seconds */
+static const char RESULT[] = "clnt_res";
+
+static void write_program (definition * def);
+static void printbody (proc_list * proc);
+static const char *ampr (const char *type);
+static void printbody (proc_list * proc);
+
+
+void
+write_stubs (void)
+{
+  list *l;
+  definition *def;
+
+  fprintf (fout,
+	   "\n/* Default timeout can be changed using clnt_control() */\n");
+  fprintf (fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
+	   DEFAULT_TIMEOUT);
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind == DEF_PROGRAM)
+	{
+	  write_program (def);
+	}
+    }
+}
+
+static void
+write_program (definition * def)
+{
+  version_list *vp;
+  proc_list *proc;
+
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      for (proc = vp->procs; proc != NULL; proc = proc->next)
+	{
+	  fprintf (fout, "\n");
+	  if (mtflag == 0)
+	    {
+	      ptype (proc->res_prefix, proc->res_type, 1);
+	      fprintf (fout, "*\n");
+	      pvname (proc->proc_name, vp->vers_num);
+	      printarglist (proc, RESULT, "clnt", "CLIENT *");
+	    }
+	  else
+	    {
+	      fprintf (fout, "enum clnt_stat \n");
+	      pvname (proc->proc_name, vp->vers_num);
+	      printarglist (proc, RESULT, "clnt", "CLIENT *");
+	    }
+	  fprintf (fout, "{\n");
+	  printbody (proc);
+	  fprintf (fout, "}\n");
+	}
+    }
+}
+
+/* Writes out declarations of procedure's argument list.
+   In either ANSI C style, in one of old rpcgen style (pass by reference),
+   or new rpcgen style (multiple arguments, pass by value);
+ */
+
+/* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
+
+void
+printarglist (proc_list * proc,  const char *result,
+	      const char *addargname, const char *addargtype)
+{
+
+  decl_list *l;
+
+  if (!newstyle)
+    { /* old style: always pass argument by reference */
+      if (Cflag)
+	{			/* C++ style heading */
+	  fprintf (fout, "(");
+	  ptype (proc->args.decls->decl.prefix,
+		 proc->args.decls->decl.type, 1);
+
+	  if (mtflag)
+	    {/* Generate result field */
+	      fprintf (fout, "*argp, ");
+	      ptype(proc->res_prefix, proc->res_type, 1);
+	      fprintf (fout, "*%s, %s%s)\n", result, addargtype, addargname);
+	    }
+	  else
+	    fprintf (fout, "*argp, %s%s)\n", addargtype, addargname);
+	}
+      else
+	{
+	  if (!mtflag)
+	    fprintf (fout, "(argp, %s)\n", addargname);
+	  else
+	    fprintf (fout, "(argp, %s, %s)\n", result, addargname);
+	  fprintf (fout, "\t");
+	  ptype (proc->args.decls->decl.prefix,
+		 proc->args.decls->decl.type, 1);
+	  fprintf (fout, "*argp;\n");
+	  if (mtflag)
+	    {
+	      fprintf (fout, "\t");
+	      ptype (proc->res_prefix, proc->res_type, 1);
+	      fprintf (fout, "*%s;\n", result);
+	    }
+	}
+    }
+  else if (streq (proc->args.decls->decl.type, "void"))
+    {
+      /* newstyle, 0 argument */
+      if (mtflag)
+	{
+	  fprintf (fout, "(");
+	  if (Cflag)
+	    {
+	      ptype(proc->res_prefix, proc->res_type, 1);
+	      fprintf (fout, "*%s, %s%s)\n", result, addargtype, addargname);
+	    }
+	  else
+	    fprintf (fout, "(%s)\n", addargname);
+	}
+      else if (Cflag)
+	fprintf (fout, "(%s%s)\n", addargtype, addargname);
+      else
+	fprintf (fout, "(%s)\n", addargname);
+    }
+  else
+    {
+      /* new style, 1 or multiple arguments */
+      if (!Cflag)
+	{
+	  fprintf (fout, "(");
+	  for (l = proc->args.decls; l != NULL; l = l->next)
+	    fprintf (fout, "%s, ", l->decl.name);
+	  if (mtflag)
+	    fprintf (fout, "%s, ", result);
+ 	  fprintf (fout, "%s)\n", addargname);
+	  for (l = proc->args.decls; l != NULL; l = l->next)
+	    {
+	      pdeclaration (proc->args.argname, &l->decl, 1, ";\n");
+	    }
+	  if (mtflag)
+	    {
+	      fprintf (fout, "\t");
+	      ptype (proc->res_prefix, proc->res_type, 1);
+	      fprintf (fout, "*%s;\n", result);
+	    }
+	}
+      else
+	{			/* C++ style header */
+	  fprintf (fout, "(");
+	  for (l = proc->args.decls; l != NULL; l = l->next)
+	    {
+	      pdeclaration (proc->args.argname, &l->decl, 0, ", ");
+	    }
+	  if (mtflag)
+	    {
+	      ptype (proc->res_prefix, proc->res_type, 1);
+	      fprintf (fout, "*%s, ", result);
+	    }
+ 	  fprintf (fout, " %s%s)\n", addargtype, addargname);
+	}
+    }
+
+  if (!Cflag)
+    fprintf (fout, "\t%s%s;\n", addargtype, addargname);
+}
+
+
+static
+const char *
+ampr (const char *type)
+{
+  if (isvectordef (type, REL_ALIAS))
+    {
+      return "";
+    }
+  else
+    {
+      return "&";
+    }
+}
+
+static void
+printbody (proc_list * proc)
+{
+  decl_list *l;
+  int args2 = (proc->arg_num > 1);
+/*  int i; */
+
+  /* For new style with multiple arguments, need a structure in which
+     to stuff the arguments. */
+  if (newstyle && args2)
+    {
+      fprintf (fout, "\t%s", proc->args.argname);
+      fprintf (fout, " arg;\n");
+    }
+  if (!mtflag)
+    {
+      fprintf (fout, "\tstatic ");
+      if (streq (proc->res_type, "void"))
+	{
+	  fprintf (fout, "char ");
+	}
+      else
+	{
+	  ptype (proc->res_prefix, proc->res_type, 0);
+	}
+      fprintf (fout, "%s;\n", RESULT);
+      fprintf (fout, "\n");
+      fprintf (fout, "\tmemset((char *)%s%s, 0, sizeof(%s));\n",
+	       ampr (proc->res_type), RESULT, RESULT);
+    }
+  if (newstyle && !args2 && (streq (proc->args.decls->decl.type, "void")))
+    {
+      /* newstyle, 0 arguments */
+      if (mtflag)
+	fprintf (fout, "\t return ");
+      else
+	fprintf (fout, "\t if ");
+      fprintf (fout,
+	       "(clnt_call (clnt, %s, (xdrproc_t) xdr_void, ", proc->proc_name);
+
+      fprintf (fout,
+	       "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
+	       stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
+	       RESULT);
+      if (mtflag)
+	fprintf (fout, "\n\t\tTIMEOUT));\n\n");
+      else
+	fprintf (fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
+    }
+  else if (newstyle && args2)
+    {
+      /* newstyle, multiple arguments:  stuff arguments into structure */
+      for (l = proc->args.decls; l != NULL; l = l->next)
+	{
+	  fprintf (fout, "\targ.%s = %s;\n",
+		   l->decl.name, l->decl.name);
+	}
+      if (mtflag)
+	fprintf (fout, "\treturn ");
+      else
+	fprintf (fout, "\tif ");
+
+      fprintf (fout,
+	       "(clnt_call (clnt, %s, (xdrproc_t) xdr_%s", proc->proc_name,
+	       proc->args.argname);
+      fprintf (fout,
+	       ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
+	       stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
+	       RESULT);
+      if (mtflag)
+	fprintf (fout, "\n\t\tTIMEOUT));\n");
+      else
+	fprintf (fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
+    }
+  else
+    {				/* single argument, new or old style */
+      if (!mtflag)
+	fprintf (fout,
+		 "\tif (clnt_call (clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT) != RPC_SUCCESS) {\n",
+		 proc->proc_name,
+		 stringfix (proc->args.decls->decl.type),
+		 (newstyle ? "&" : ""),
+		 (newstyle ? proc->args.decls->decl.name : "argp"),
+		 stringfix (proc->res_type), ampr (proc->res_type),
+		 RESULT);
+      else
+	fprintf(fout,
+		"\treturn (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT));\n",
+		proc->proc_name,
+		stringfix (proc->args.decls->decl.type),
+		(newstyle ? "&" : ""),
+		(newstyle ? proc->args.decls->decl.name : "argp"),
+		stringfix (proc->res_type), "",
+		RESULT);
+    }
+  if (!mtflag)
+    {
+      fprintf (fout, "\t\treturn (NULL);\n");
+      fprintf (fout, "\t}\n");
+      if (streq (proc->res_type, "void"))
+	{
+	  fprintf (fout, "\treturn ((void *)%s%s);\n",
+		   ampr (proc->res_type), RESULT);
+	}
+      else
+	{
+	  fprintf (fout, "\treturn (%s%s);\n", ampr (proc->res_type), RESULT);
+	}
+    }
+}
diff --git a/tools/rpcgen/rpc_cout.c b/tools/rpcgen/rpc_cout.c
new file mode 100644
index 0000000..4627110
--- /dev/null
+++ b/tools/rpcgen/rpc_cout.c
@@ -0,0 +1,813 @@
+/*
+ * From: @(#)rpc_cout.c 1.13 89/02/22
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_cout.c, XDR routine outputter for the RPC protocol compiler
+ */
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+static void emit_enum (definition * def);
+static void emit_program (const definition * def);
+static void emit_union (const definition * def);
+static void emit_struct (definition * def);
+static void emit_typedef (const definition * def);
+static void emit_inline (int indent, declaration * decl, int flag);
+static void emit_single_in_line (int indent, declaration *decl, int flag,
+				 relation rel);
+static int findtype (const definition * def, const char *type);
+static int undefined (const char *type);
+static void print_generic_header (const char *procname, int pointerp);
+static void print_ifopen (int indent, const char *name);
+static void print_ifarg (const char *arg);
+static void print_ifsizeof (int indent, const char *prefix, const char *type);
+static void print_ifclose (int indent);
+static void print_ifstat (int indent, const char *prefix, const char *type,
+			  relation rel, const char *amax,
+			  const char *objname, const char *name);
+static void print_stat (int indent, const declaration * dec);
+static void print_header (const definition * def);
+static void print_trailer (void);
+static char *upcase (const char *str);
+
+/*
+ * Emit the C-routine for the given definition
+ */
+void
+emit (definition * def)
+{
+  if (def->def_kind == DEF_CONST)
+    {
+      return;
+    }
+  if (def->def_kind == DEF_PROGRAM)
+    {
+      emit_program (def);
+      return;
+    }
+  if (def->def_kind == DEF_TYPEDEF)
+    {
+      /* now we need to handle declarations like
+	 struct typedef foo foo;
+	 since we don't want this to be expanded
+	 into 2 calls to xdr_foo */
+
+      if (strcmp (def->def.ty.old_type, def->def_name) == 0)
+	return;
+    };
+
+  print_header (def);
+  switch (def->def_kind)
+    {
+    case DEF_UNION:
+      emit_union (def);
+      break;
+    case DEF_ENUM:
+      emit_enum (def);
+      break;
+    case DEF_STRUCT:
+      emit_struct (def);
+      break;
+    case DEF_TYPEDEF:
+      emit_typedef (def);
+      break;
+    default:
+      /* can't happen */
+      break;
+    }
+  print_trailer ();
+}
+
+static int
+findtype (const definition * def, const char *type)
+{
+  if (def->def_kind == DEF_PROGRAM || def->def_kind == DEF_CONST)
+    {
+      return 0;
+    }
+  else
+    {
+      return (streq (def->def_name, type));
+    }
+}
+
+static int
+undefined (const char *type)
+{
+  definition *def;
+  def = (definition *) FINDVAL (defined, type, findtype);
+  return (def == NULL);
+}
+
+
+static void
+print_generic_header (const char *procname, int pointerp)
+{
+  f_print (fout, "\n");
+  f_print (fout, "bool_t\n");
+  if (Cflag)
+    {
+      f_print (fout, "xdr_%s (", procname);
+      f_print (fout, "XDR *xdrs, ");
+      f_print (fout, "%s ", procname);
+      if (pointerp)
+	f_print (fout, "*");
+      f_print (fout, "objp)\n{\n");
+    }
+  else
+    {
+      f_print (fout, "xdr_%s (xdrs, objp)\n", procname);
+      f_print (fout, "\tXDR *xdrs;\n");
+      f_print (fout, "\t%s ", procname);
+      if (pointerp)
+	f_print (fout, "*");
+      f_print (fout, "objp;\n{\n");
+    }
+}
+
+static void
+print_header (const definition * def)
+{
+  print_generic_header (def->def_name,
+			def->def_kind != DEF_TYPEDEF ||
+			!isvectordef (def->def.ty.old_type,
+				      def->def.ty.rel));
+
+  /* Now add Inline support */
+
+  if (inlineflag == 0)
+    return;
+  /*May cause lint to complain. but  ... */
+  f_print (fout, "\tregister int32_t *buf;\n\n");
+}
+
+static void
+print_prog_header (const proc_list * plist)
+{
+  print_generic_header (plist->args.argname, 1);
+}
+
+static void
+print_trailer (void)
+{
+  f_print (fout, "\treturn TRUE;\n");
+  f_print (fout, "}\n");
+}
+
+
+static void
+print_ifopen (int indent, const char *name)
+{
+  tabify (fout, indent);
+  f_print (fout, " if (!xdr_%s (xdrs", name);
+}
+
+static void
+print_ifarg (const char *arg)
+{
+  f_print (fout, ", %s", arg);
+}
+
+static void
+print_ifsizeof (int indent, const char *prefix, const char *type)
+{
+  if (indent)
+    {
+      fprintf (fout, ",\n");
+      tabify (fout, indent);
+    }
+  else
+    fprintf (fout, ", ");
+
+  if (streq (type, "bool"))
+    fprintf (fout, "sizeof (bool_t), (xdrproc_t) xdr_bool");
+  else
+    {
+      fprintf (fout, "sizeof (");
+      if (undefined (type) && prefix)
+	{
+	  f_print (fout, "%s ", prefix);
+	}
+      fprintf (fout, "%s), (xdrproc_t) xdr_%s", type, type);
+    }
+}
+
+static void
+print_ifclose (int indent)
+{
+  f_print (fout, "))\n");
+  tabify (fout, indent);
+  f_print (fout, "\t return FALSE;\n");
+}
+
+static void
+print_ifstat (int indent, const char *prefix, const char *type, relation rel,
+	      const char *amax, const char *objname, const char *name)
+{
+  const char *alt = NULL;
+
+  switch (rel)
+    {
+    case REL_POINTER:
+      print_ifopen (indent, "pointer");
+      print_ifarg ("(char **)");
+      f_print (fout, "%s", objname);
+      print_ifsizeof (0, prefix, type);
+      break;
+    case REL_VECTOR:
+      if (streq (type, "string"))
+	{
+	  alt = "string";
+	}
+      else if (streq (type, "opaque"))
+	{
+	  alt = "opaque";
+	}
+      if (alt)
+	{
+	  print_ifopen (indent, alt);
+	  print_ifarg (objname);
+	}
+      else
+	{
+	  print_ifopen (indent, "vector");
+	  print_ifarg ("(char *)");
+	  f_print (fout, "%s", objname);
+	}
+      print_ifarg (amax);
+      if (!alt)
+	{
+	  print_ifsizeof (indent + 1, prefix, type);
+	}
+      break;
+    case REL_ARRAY:
+      if (streq (type, "string"))
+	{
+	  alt = "string";
+	}
+      else if (streq (type, "opaque"))
+	{
+	  alt = "bytes";
+	}
+      if (streq (type, "string"))
+	{
+	  print_ifopen (indent, alt);
+	  print_ifarg (objname);
+	}
+      else
+	{
+	  if (alt)
+	    {
+	      print_ifopen (indent, alt);
+	    }
+	  else
+	    {
+	      print_ifopen (indent, "array");
+	    }
+	  print_ifarg ("(char **)");
+	  if (*objname == '&')
+	    {
+	      f_print (fout, "%s.%s_val, (u_int *) %s.%s_len",
+		       objname, name, objname, name);
+	    }
+	  else
+	    {
+	      f_print (fout, "&%s->%s_val, (u_int *) &%s->%s_len",
+		       objname, name, objname, name);
+	    }
+	}
+      print_ifarg (amax);
+      if (!alt)
+	{
+	  print_ifsizeof (indent + 1, prefix, type);
+	}
+      break;
+    case REL_ALIAS:
+      print_ifopen (indent, type);
+      print_ifarg (objname);
+      break;
+    }
+  print_ifclose (indent);
+}
+
+static void
+emit_enum (definition * def)
+{
+  (void) def;
+
+  print_ifopen (1, "enum");
+  print_ifarg ("(enum_t *) objp");
+  print_ifclose (1);
+}
+
+static void
+emit_program (const definition * def)
+{
+  decl_list *dl;
+  version_list *vlist;
+  proc_list *plist;
+
+  for (vlist = def->def.pr.versions; vlist != NULL; vlist = vlist->next)
+    for (plist = vlist->procs; plist != NULL; plist = plist->next)
+      {
+	if (!newstyle || plist->arg_num < 2)
+	  continue;		/* old style, or single argument */
+	print_prog_header (plist);
+	for (dl = plist->args.decls; dl != NULL;
+	     dl = dl->next)
+	  print_stat (1, &dl->decl);
+	print_trailer ();
+      }
+}
+
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+static void
+emit_union (const definition * def)
+{
+  declaration *dflt;
+  case_list *cl;
+  declaration *cs;
+  char *object;
+  const char *vecformat = "objp->%s_u.%s";
+  const char *format = "&objp->%s_u.%s";
+
+  print_stat (1, &def->def.un.enum_decl);
+  f_print (fout, "\tswitch (objp->%s) {\n", def->def.un.enum_decl.name);
+  for (cl = def->def.un.cases; cl != NULL; cl = cl->next)
+    {
+
+      f_print (fout, "\tcase %s:\n", cl->case_name);
+      if (cl->contflag == 1)	/* a continued case statement */
+	continue;
+      cs = &cl->case_decl;
+      if (!streq (cs->type, "void"))
+	{
+	  object = alloc (strlen (def->def_name) + strlen (format) +
+			  strlen (cs->name) + 1);
+	  if (isvectordef (cs->type, cs->rel))
+	    {
+	      s_print (object, vecformat, def->def_name,
+		       cs->name);
+	    }
+	  else
+	    {
+	      s_print (object, format, def->def_name,
+		       cs->name);
+	    }
+	  print_ifstat (2, cs->prefix, cs->type, cs->rel, cs->array_max,
+			object, cs->name);
+	  free (object);
+	}
+      f_print (fout, "\t\tbreak;\n");
+    }
+  dflt = def->def.un.default_decl;
+  if (dflt != NULL)
+    {
+      if (!streq (dflt->type, "void"))
+	{
+	  f_print (fout, "\tdefault:\n");
+	  object = alloc (strlen (def->def_name) + strlen (format) +
+			  strlen (dflt->name) + 1);
+	  if (isvectordef (dflt->type, dflt->rel))
+	    {
+	      s_print (object, vecformat, def->def_name,
+		       dflt->name);
+	    }
+	  else
+	    {
+	      s_print (object, format, def->def_name,
+		       dflt->name);
+	    }
+
+	  print_ifstat (2, dflt->prefix, dflt->type, dflt->rel,
+			dflt->array_max, object, dflt->name);
+	  free (object);
+	  f_print (fout, "\t\tbreak;\n");
+	}
+      else
+	{
+	  f_print (fout, "\tdefault:\n");
+	  f_print (fout, "\t\tbreak;\n");
+	}
+    }
+  else
+    {
+      f_print (fout, "\tdefault:\n");
+      f_print (fout, "\t\treturn FALSE;\n");
+    }
+
+  f_print (fout, "\t}\n");
+}
+#pragma GCC diagnostic warning "-Wformat-nonliteral"
+
+static void
+inline_struct (definition *def, int flag)
+{
+  decl_list *dl;
+  int i, size;
+  decl_list *cur = NULL;
+  decl_list *psav;
+  bas_type *ptr;
+  char *sizestr;
+  const char *plus;
+  char ptemp[256];
+  int indent = 1;
+
+  if (flag == PUT)
+    f_print (fout, "\n\tif (xdrs->x_op == XDR_ENCODE) {\n");
+  else
+    f_print (fout,
+	     "\t\treturn TRUE;\n\t} else if (xdrs->x_op == XDR_DECODE) {\n");
+
+  i = 0;
+  size = 0;
+  sizestr = NULL;
+  for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
+    {			/* xxx */
+      /* now walk down the list and check for basic types */
+      if ((dl->decl.prefix == NULL) &&
+	  ((ptr = find_type (dl->decl.type)) != NULL) &&
+	  ((dl->decl.rel == REL_ALIAS) || (dl->decl.rel == REL_VECTOR)))
+	{
+	  if (i == 0)
+	    cur = dl;
+	  ++i;
+
+	  if (dl->decl.rel == REL_ALIAS)
+	    size += ptr->length;
+	  else
+	    {
+	      /* this is required to handle arrays */
+	      if (sizestr == NULL)
+		plus = "";
+	      else
+		plus = "+ ";
+
+	      if (ptr->length != 1)
+		s_print (ptemp, " %s %s * %d", plus, dl->decl.array_max,
+			 ptr->length);
+	      else
+		s_print (ptemp, " %s%s ", plus, dl->decl.array_max);
+
+	      /*now concatenate to sizestr !!!! */
+	      if (sizestr == NULL)
+		sizestr = strdup (ptemp);
+	      else
+		{
+		  sizestr = realloc (sizestr, strlen (sizestr) +
+				     strlen (ptemp) + 1);
+		  if (sizestr == NULL)
+		    {
+		      f_print (stderr, "Fatal error : no memory \n");
+		      crash ();
+		    };
+		  sizestr = strcat (sizestr, ptemp);
+		  /*build up length of array */
+		}
+	    }
+	}
+      else
+	{
+	  if (i > 0)
+	    {
+	      if (sizestr == NULL && size < inlineflag)
+		{
+		  /* don't expand into inline code if size < inlineflag */
+		  while (cur != dl)
+		    {
+		      print_stat (indent + 1, &cur->decl);
+		      cur = cur->next;
+		    }
+		}
+	      else
+		{
+		  /* were already looking at a xdr_inlineable structure */
+		  tabify (fout, indent + 1);
+		  if (sizestr == NULL)
+		    f_print (fout, "buf = XDR_INLINE (xdrs, %d * BYTES_PER_XDR_UNIT);", size);
+		  else if (size == 0)
+		    f_print (fout,
+			     "buf = XDR_INLINE (xdrs, (%s) * BYTES_PER_XDR_UNIT);",
+			     sizestr);
+		  else
+		    f_print (fout,
+			     "buf = XDR_INLINE (xdrs, (%d + (%s)) * BYTES_PER_XDR_UNIT);",
+			     size, sizestr);
+		  f_print (fout, "\n");
+		  tabify (fout, indent + 1);
+		  fprintf (fout, "if (buf == NULL) {\n");
+		  psav = cur;
+		  while (cur != dl)
+		    {
+		      print_stat (indent + 2, &cur->decl);
+		      cur = cur->next;
+		    }
+
+		  f_print (fout, "\n\t\t} else {\n");
+		  cur = psav;
+		  while (cur != dl)
+		    {
+		      emit_inline (indent + 1, &cur->decl, flag);
+		      cur = cur->next;
+		    }
+		  tabify (fout, indent + 1);
+		  f_print (fout, "}\n");
+		}
+	    }
+	  size = 0;
+	  i = 0;
+	  free (sizestr);
+	  sizestr = NULL;
+	  print_stat (indent + 1, &dl->decl);
+	}
+    }
+  if (i > 0)
+    {
+      if (sizestr == NULL && size < inlineflag)
+	{
+	  /* don't expand into inline code if size < inlineflag */
+	  while (cur != dl)
+	    {
+	      print_stat (indent + 1, &cur->decl);
+	      cur = cur->next;
+	    }
+	}
+      else
+	{
+	  /* were already looking at a xdr_inlineable structure */
+	  if (sizestr == NULL)
+	    f_print (fout,
+		     "\t\tbuf = XDR_INLINE (xdrs, %d * BYTES_PER_XDR_UNIT);",
+		     size);
+	  else if (size == 0)
+	    f_print (fout,
+		     "\t\tbuf = XDR_INLINE (xdrs, (%s) * BYTES_PER_XDR_UNIT);",
+		     sizestr);
+	  else
+	    f_print (fout,
+		     "\t\tbuf = XDR_INLINE (xdrs, (%d + %s)* BYTES_PER_XDR_UNIT);",
+		     size, sizestr);
+	  f_print (fout, "\n\t\tif (buf == NULL) {\n");
+	  psav = cur;
+	  while (cur != NULL)
+	    {
+	      print_stat (indent + 2, &cur->decl);
+	      cur = cur->next;
+	    }
+	  f_print (fout, "\t\t} else {\n");
+
+	  cur = psav;
+	  while (cur != dl)
+	    {
+	      emit_inline (indent + 2, &cur->decl, flag);
+	      cur = cur->next;
+	    }
+	  f_print (fout, "\t\t}\n");
+	}
+    }
+}
+
+/* this may be const.  i haven't traced this one through yet. */
+
+static void
+emit_struct (definition * def)
+{
+  decl_list *dl;
+  int j, size, flag;
+  bas_type *ptr;
+  int can_inline;
+
+
+  if (inlineflag == 0)
+    {
+      /* No xdr_inlining at all */
+      for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
+	print_stat (1, &dl->decl);
+      return;
+    }
+
+  for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
+    if (dl->decl.rel == REL_VECTOR)
+      {
+	f_print (fout, "\tint i;\n");
+	break;
+      }
+
+  size = 0;
+  can_inline = 0;
+  /*
+   * Make a first pass and see if inling is possible.
+   */
+  for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
+    if ((dl->decl.prefix == NULL) &&
+	((ptr = find_type (dl->decl.type)) != NULL) &&
+	((dl->decl.rel == REL_ALIAS) || (dl->decl.rel == REL_VECTOR)))
+      {
+	if (dl->decl.rel == REL_ALIAS)
+	  size += ptr->length;
+	else
+	  {
+	    can_inline = 1;
+	    break;		/* can be inlined */
+	  }
+      }
+    else
+      {
+	if (size >= inlineflag)
+	  {
+	    can_inline = 1;
+	    break;		/* can be inlined */
+	  }
+	size = 0;
+      }
+  if (size > inlineflag)
+    can_inline = 1;
+
+  if (can_inline == 0)
+    {			/* can not inline, drop back to old mode */
+      for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
+	print_stat (1, &dl->decl);
+      return;
+    };
+
+  flag = PUT;
+  for (j = 0; j < 2; j++)
+    {
+      inline_struct (def, flag);
+      if (flag == PUT)
+	flag = GET;
+    }
+
+  f_print (fout, "\t return TRUE;\n\t}\n\n");
+
+  /* now take care of XDR_FREE case */
+
+  for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
+    print_stat (1, &dl->decl);
+}
+
+static void
+emit_typedef (const definition * def)
+{
+  const char *prefix = def->def.ty.old_prefix;
+  const char *type = def->def.ty.old_type;
+  const char *amax = def->def.ty.array_max;
+  relation rel = def->def.ty.rel;
+
+  print_ifstat (1, prefix, type, rel, amax, "objp", def->def_name);
+}
+
+static void
+print_stat (int indent, const declaration * dec)
+{
+  const char *prefix = dec->prefix;
+  const char *type = dec->type;
+  const char *amax = dec->array_max;
+  relation rel = dec->rel;
+  char name[256];
+
+  if (isvectordef (type, rel))
+    {
+      s_print (name, "objp->%s", dec->name);
+    }
+  else
+    {
+      s_print (name, "&objp->%s", dec->name);
+    }
+  print_ifstat (indent, prefix, type, rel, amax, name, dec->name);
+}
+
+
+static void
+emit_inline (int indent, declaration * decl, int flag)
+{
+  switch (decl->rel)
+    {
+    case REL_ALIAS:
+      emit_single_in_line (indent, decl, flag, REL_ALIAS);
+      break;
+    case REL_VECTOR:
+      tabify (fout, indent);
+      f_print (fout, "{\n");
+      tabify (fout, indent + 1);
+      f_print (fout, "register %s *genp;\n\n", decl->type);
+      tabify (fout, indent + 1);
+      f_print (fout,
+	       "for (i = 0, genp = objp->%s;\n", decl->name);
+      tabify (fout, indent + 2);
+      f_print (fout, "i < %s; ++i) {\n", decl->array_max);
+      emit_single_in_line (indent + 2, decl, flag, REL_VECTOR);
+      tabify (fout, indent + 1);
+      f_print (fout, "}\n");
+      tabify (fout, indent);
+      f_print (fout, "}\n");
+      break;
+    default:
+      break;
+      /* ?... do nothing I guess */
+    }
+}
+
+static void
+emit_single_in_line (int indent, declaration *decl, int flag, relation rel)
+{
+  char *upp_case;
+  int freed = 0;
+
+  tabify (fout, indent);
+  if (flag == PUT)
+    f_print (fout, "IXDR_PUT_");
+  else
+    {
+      if (rel == REL_ALIAS)
+	f_print (fout, "objp->%s = IXDR_GET_", decl->name);
+      else
+	f_print (fout, "*genp++ = IXDR_GET_");
+    }
+
+  upp_case = upcase (decl->type);
+
+  /* hack  - XX */
+  if (!strcmp (upp_case, "INT"))
+    {
+      free (upp_case);
+      freed = 1;
+      /* Casting is safe since the `freed' flag is set.  */
+      upp_case = (char *) "LONG";
+    }
+
+  if (!strcmp (upp_case, "U_INT"))
+    {
+      free (upp_case);
+      freed = 1;
+      /* Casting is safe since the `freed' flag is set.  */
+      upp_case = (char *) "U_LONG";
+    }
+
+  if (flag == PUT)
+    {
+      if (rel == REL_ALIAS)
+	f_print (fout, "%s(buf, objp->%s);\n", upp_case, decl->name);
+      else
+	f_print (fout, "%s(buf, *genp++);\n", upp_case);
+    }
+  else
+    {
+      f_print (fout, "%s(buf);\n", upp_case);
+    }
+
+  if (!freed)
+    free (upp_case);
+}
+
+
+static char *
+upcase (const char *str)
+{
+  char *ptr, *hptr;
+  ptr = malloc (strlen (str) + 1);
+  if (ptr == NULL)
+    {
+      f_print (stderr, "malloc failed\n");
+      exit (1);
+    }
+  hptr = ptr;
+  while (*str != '\0')
+    *ptr++ = toupper (*str++);
+
+  *ptr = '\0';
+  return hptr;
+}
diff --git a/tools/rpcgen/rpc_hout.c b/tools/rpcgen/rpc_hout.c
new file mode 100644
index 0000000..10f793d
--- /dev/null
+++ b/tools/rpcgen/rpc_hout.c
@@ -0,0 +1,607 @@
+/*
+ * From: @(#)rpc_hout.c 1.12 89/02/22
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_hout.c, Header file outputter for the RPC protocol compiler
+ */
+#include <stdio.h>
+#include <ctype.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+static void pconstdef (definition * def);
+static void pargdef (definition * def);
+static void pstructdef (definition * def);
+static void puniondef (definition * def);
+static void pdefine (const char *name, const char *num);
+static int define_printed (proc_list * stop, version_list * start);
+static void pprogramdef (definition * def);
+static void parglist (proc_list * proc, const char *addargtype);
+static void penumdef (definition * def);
+static void ptypedef (definition * def);
+static int undefined2 (const char *type, const char *stop);
+
+/* store away enough information to allow the XDR functions to be spat
+    out at the end of the file */
+
+static void
+storexdrfuncdecl (const char *name, int pointerp)
+{
+  xdrfunc * xdrptr;
+
+  xdrptr = (xdrfunc *) malloc(sizeof (struct xdrfunc));
+
+  xdrptr->name = (char *)name;
+  xdrptr->pointerp = pointerp;
+  xdrptr->next = NULL;
+
+  if (xdrfunc_tail == NULL)
+    {
+      xdrfunc_head = xdrptr;
+      xdrfunc_tail = xdrptr;
+    }
+  else
+    {
+      xdrfunc_tail->next = xdrptr;
+      xdrfunc_tail = xdrptr;
+    }
+}
+
+/*
+ * Print the C-version of an xdr definition
+ */
+void
+print_datadef (definition *def)
+{
+
+  if (def->def_kind == DEF_PROGRAM)	/* handle data only */
+    return;
+
+  if (def->def_kind != DEF_CONST)
+    {
+      f_print (fout, "\n");
+    }
+  switch (def->def_kind)
+    {
+    case DEF_STRUCT:
+      pstructdef (def);
+      break;
+    case DEF_UNION:
+      puniondef (def);
+      break;
+    case DEF_ENUM:
+      penumdef (def);
+      break;
+    case DEF_TYPEDEF:
+      ptypedef (def);
+      break;
+    case DEF_PROGRAM:
+      pprogramdef (def);
+      break;
+    case DEF_CONST:
+      pconstdef (def);
+      break;
+    }
+  if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST)
+    {
+      storexdrfuncdecl(def->def_name,
+ 		       def->def_kind != DEF_TYPEDEF ||
+		       !isvectordef(def->def.ty.old_type,
+				    def->def.ty.rel));
+    }
+}
+
+
+void
+print_funcdef (definition *def)
+{
+  switch (def->def_kind)
+    {
+    case DEF_PROGRAM:
+      f_print (fout, "\n");
+      pprogramdef (def);
+      break;
+    default:
+      break;
+      /* ?... shouldn't happen I guess */
+    }
+}
+
+void
+print_xdr_func_def (char *name, int pointerp, int i)
+{
+  if (i == 2)
+    {
+      f_print (fout, "extern bool_t xdr_%s ();\n", name);
+      return;
+    }
+  else
+    f_print(fout, "extern  bool_t xdr_%s (XDR *, %s%s);\n", name,
+	    name, pointerp ? "*" : "");
+}
+
+static void
+pconstdef (definition *def)
+{
+  pdefine (def->def_name, def->def.co);
+}
+
+/* print out the definitions for the arguments of functions in the
+   header file
+ */
+static void
+pargdef (definition * def)
+{
+  decl_list *l;
+  version_list *vers;
+  const char *name;
+  proc_list *plist;
+
+  for (vers = def->def.pr.versions; vers != NULL; vers = vers->next)
+    {
+      for (plist = vers->procs; plist != NULL;
+	   plist = plist->next)
+	{
+
+	  if (!newstyle || plist->arg_num < 2)
+	    {
+	      continue;		/* old style or single args */
+	    }
+	  name = plist->args.argname;
+	  f_print (fout, "struct %s {\n", name);
+	  for (l = plist->args.decls;
+	       l != NULL; l = l->next)
+	    {
+	      pdeclaration (name, &l->decl, 1, ";\n");
+	    }
+	  f_print (fout, "};\n");
+	  f_print (fout, "typedef struct %s %s;\n", name, name);
+	  storexdrfuncdecl (name, 1);
+	  f_print (fout, "\n");
+	}
+    }
+
+}
+
+static void
+pstructdef (definition *def)
+{
+  decl_list *l;
+  const char *name = def->def_name;
+
+  f_print (fout, "struct %s {\n", name);
+  for (l = def->def.st.decls; l != NULL; l = l->next)
+    {
+      pdeclaration (name, &l->decl, 1, ";\n");
+    }
+  f_print (fout, "};\n");
+  f_print (fout, "typedef struct %s %s;\n", name, name);
+}
+
+static void
+puniondef (definition *def)
+{
+  case_list *l;
+  const char *name = def->def_name;
+  declaration *decl;
+
+  f_print (fout, "struct %s {\n", name);
+  decl = &def->def.un.enum_decl;
+  if (streq (decl->type, "bool"))
+    {
+      f_print (fout, "\tbool_t %s;\n", decl->name);
+    }
+  else
+    {
+      f_print (fout, "\t%s %s;\n", decl->type, decl->name);
+    }
+  f_print (fout, "\tunion {\n");
+  for (l = def->def.un.cases; l != NULL; l = l->next)
+    {
+      if (l->contflag == 0)
+	pdeclaration (name, &l->case_decl, 2, ";\n");
+    }
+  decl = def->def.un.default_decl;
+  if (decl && !streq (decl->type, "void"))
+    {
+      pdeclaration (name, decl, 2, ";\n");
+    }
+  f_print (fout, "\t} %s_u;\n", name);
+  f_print (fout, "};\n");
+  f_print (fout, "typedef struct %s %s;\n", name, name);
+}
+
+static void
+pdefine (const char *name, const char *num)
+{
+  f_print (fout, "#define %s %s\n", name, num);
+}
+
+static int
+define_printed (proc_list *stop, version_list *start)
+{
+  version_list *vers;
+  proc_list *proc;
+
+  for (vers = start; vers != NULL; vers = vers->next)
+    {
+      for (proc = vers->procs; proc != NULL; proc = proc->next)
+	{
+	  if (proc == stop)
+	    {
+	      return 0;
+	    }
+	  else if (streq (proc->proc_name, stop->proc_name))
+	    {
+	      return 1;
+	    }
+	}
+    }
+  abort ();
+  /* NOTREACHED */
+}
+
+static void
+pfreeprocdef (const char *name, const char *vers, int mode)
+{
+  f_print (fout, "extern int ");
+  pvname (name, vers);
+  if (mode == 1)
+    f_print (fout,"_freeresult (SVCXPRT *, xdrproc_t, caddr_t);\n");
+  else
+    f_print (fout,"_freeresult ();\n");
+}
+
+static void
+pprogramdef (definition *def)
+{
+  version_list *vers;
+  proc_list *proc;
+  int i;
+  const char *ext;
+
+  pargdef (def);
+
+  pdefine (def->def_name, def->def.pr.prog_num);
+  for (vers = def->def.pr.versions; vers != NULL; vers = vers->next)
+    {
+      if (tblflag)
+	{
+	  f_print (fout, "extern struct rpcgen_table %s_%s_table[];\n",
+		   locase (def->def_name), vers->vers_num);
+	  f_print (fout, "extern %s_%s_nproc;\n",
+		   locase (def->def_name), vers->vers_num);
+	}
+      pdefine (vers->vers_name, vers->vers_num);
+
+      /*
+       * Print out 2 definitions, one for ANSI-C, another for
+       * old K & R C
+       */
+
+      if(!Cflag)
+	{
+	  ext = "extern  ";
+	  for (proc = vers->procs; proc != NULL;
+	       proc = proc->next)
+	    {
+	      if (!define_printed(proc, def->def.pr.versions))
+		{
+		  pdefine (proc->proc_name, proc->proc_num);
+		}
+	      f_print (fout, "%s", ext);
+	      pprocdef (proc, vers, NULL, 0, 2);
+
+	      if (mtflag)
+		{
+		  f_print(fout, "%s", ext);
+		  pprocdef (proc, vers, NULL, 1, 2);
+		}
+	    }
+	  pfreeprocdef (def->def_name, vers->vers_num, 2);
+	}
+      else
+	{
+	  for (i = 1; i < 3; i++)
+	    {
+	      if (i == 1)
+		{
+		  f_print (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
+		  ext = "extern  ";
+		}
+	      else
+		{
+		  f_print (fout, "\n#else /* K&R C */\n");
+		  ext = "extern  ";
+		}
+
+	      for (proc = vers->procs; proc != NULL; proc = proc->next)
+		{
+		  if (!define_printed(proc, def->def.pr.versions))
+		    {
+		      pdefine(proc->proc_name, proc->proc_num);
+		    }
+		  f_print (fout, "%s", ext);
+		  pprocdef (proc, vers, "CLIENT *", 0, i);
+		  f_print (fout, "%s", ext);
+		  pprocdef (proc, vers, "struct svc_req *", 1, i);
+		}
+	      pfreeprocdef (def->def_name, vers->vers_num, i);
+	    }
+	  f_print (fout, "#endif /* K&R C */\n");
+	}
+    }
+}
+
+void
+pprocdef (proc_list * proc, version_list * vp,
+	  const char *addargtype, int server_p, int mode)
+{
+  if (mtflag)
+    {/* Print MT style stubs */
+      if (server_p)
+	f_print (fout, "bool_t ");
+      else
+	f_print (fout, "enum clnt_stat ");
+    }
+  else
+    {
+      ptype (proc->res_prefix, proc->res_type, 1);
+      f_print (fout, "* ");
+    }
+  if (server_p)
+    pvname_svc (proc->proc_name, vp->vers_num);
+  else
+    pvname (proc->proc_name, vp->vers_num);
+
+  /*
+   * mode  1 = ANSI-C, mode 2 = K&R C
+   */
+  if (mode == 1)
+    parglist (proc, addargtype);
+  else
+    f_print (fout, "();\n");
+}
+
+/* print out argument list of procedure */
+static void
+parglist (proc_list *proc, const char *addargtype)
+{
+  decl_list *dl;
+
+  f_print(fout,"(");
+  if (proc->arg_num < 2 && newstyle &&
+      streq (proc->args.decls->decl.type, "void"))
+    {
+      /* 0 argument in new style:  do nothing */
+    }
+  else
+    {
+      for (dl = proc->args.decls; dl != NULL; dl = dl->next)
+	{
+	  ptype (dl->decl.prefix, dl->decl.type, 1);
+	  if (!newstyle)
+	    f_print (fout, "*");	/* old style passes by reference */
+
+	  f_print (fout, ", ");
+	}
+    }
+  if (mtflag)
+    {
+      ptype(proc->res_prefix, proc->res_type, 1);
+      f_print(fout, "*, ");
+    }
+
+  f_print (fout, "%s);\n", addargtype);
+}
+
+static void
+penumdef (definition *def)
+{
+  const char *name = def->def_name;
+  enumval_list *l;
+  const char *last = NULL;
+  int count = 0;
+
+  f_print (fout, "enum %s {\n", name);
+  for (l = def->def.en.vals; l != NULL; l = l->next)
+    {
+      f_print (fout, "\t%s", l->name);
+      if (l->assignment)
+	{
+	  f_print (fout, " = %s", l->assignment);
+	  last = l->assignment;
+	  count = 1;
+	}
+      else
+	{
+	  if (last == NULL)
+	    {
+	      f_print (fout, " = %d", count++);
+	    }
+	  else
+	    {
+	      f_print (fout, " = %s + %d", last, count++);
+	    }
+	}
+      f_print (fout, ",\n");
+    }
+  f_print (fout, "};\n");
+  f_print (fout, "typedef enum %s %s;\n", name, name);
+}
+
+static void
+ptypedef (definition *def)
+{
+  const char *name = def->def_name;
+  const char *old = def->def.ty.old_type;
+  char prefix[8];	  /* enough to contain "struct ", including NUL */
+  relation rel = def->def.ty.rel;
+
+  if (!streq (name, old))
+    {
+      if (streq (old, "string"))
+	{
+	  old = "char";
+	  rel = REL_POINTER;
+	}
+      else if (streq (old, "opaque"))
+	{
+	  old = "char";
+	}
+      else if (streq (old, "bool"))
+	{
+	  old = "bool_t";
+	}
+      if (undefined2 (old, name) && def->def.ty.old_prefix)
+	{
+	  s_print (prefix, "%s ", def->def.ty.old_prefix);
+	}
+      else
+	{
+	  prefix[0] = 0;
+	}
+      f_print (fout, "typedef ");
+      switch (rel)
+	{
+	case REL_ARRAY:
+	  f_print (fout, "struct {\n");
+	  f_print (fout, "\tu_int %s_len;\n", name);
+	  f_print (fout, "\t%s%s *%s_val;\n", prefix, old, name);
+	  f_print (fout, "} %s", name);
+	  break;
+	case REL_POINTER:
+	  f_print (fout, "%s%s *%s", prefix, old, name);
+	  break;
+	case REL_VECTOR:
+	  f_print (fout, "%s%s %s[%s]", prefix, old, name,
+		   def->def.ty.array_max);
+	  break;
+	case REL_ALIAS:
+	  f_print (fout, "%s%s %s", prefix, old, name);
+	  break;
+	}
+      f_print (fout, ";\n");
+    }
+}
+
+void
+pdeclaration (const char *name, declaration * dec, int tab,
+	      const char *separator)
+{
+  char buf[8];			/* enough to hold "struct ", include NUL */
+  const char *prefix;
+  const char *type;
+
+  if (streq (dec->type, "void"))
+    {
+      return;
+    }
+  tabify (fout, tab);
+  if (streq (dec->type, name) && !dec->prefix)
+    {
+      f_print (fout, "struct ");
+    }
+  if (streq (dec->type, "string"))
+    {
+      f_print (fout, "char *%s", dec->name);
+    }
+  else
+    {
+      prefix = "";
+      if (streq (dec->type, "bool"))
+	{
+	  type = "bool_t";
+	}
+      else if (streq (dec->type, "opaque"))
+	{
+	  type = "char";
+	}
+      else
+	{
+	  if (dec->prefix)
+	    {
+	      s_print (buf, "%s ", dec->prefix);
+	      prefix = buf;
+	    }
+	  type = dec->type;
+	}
+      switch (dec->rel)
+	{
+	case REL_ALIAS:
+	  f_print (fout, "%s%s %s", prefix, type, dec->name);
+	  break;
+	case REL_VECTOR:
+	  f_print (fout, "%s%s %s[%s]", prefix, type, dec->name,
+		   dec->array_max);
+	  break;
+	case REL_POINTER:
+	  f_print (fout, "%s%s *%s", prefix, type, dec->name);
+	  break;
+	case REL_ARRAY:
+	  f_print (fout, "struct {\n");
+	  tabify (fout, tab);
+	  f_print (fout, "\tu_int %s_len;\n", dec->name);
+	  tabify (fout, tab);
+	  f_print (fout, "\t%s%s *%s_val;\n", prefix, type, dec->name);
+	  tabify (fout, tab);
+	  f_print (fout, "} %s", dec->name);
+	  break;
+	}
+    }
+  f_print (fout, "%s", separator);
+}
+
+static int
+undefined2 (const char *type, const char *stop)
+{
+  list *l;
+  definition *def;
+
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind != DEF_PROGRAM)
+	{
+	  if (streq (def->def_name, stop))
+	    {
+	      return 1;
+	    }
+	  else if (streq (def->def_name, type))
+	    {
+	      return 0;
+	    }
+	}
+    }
+  return 1;
+}
diff --git a/tools/rpcgen/rpc_main.c b/tools/rpcgen/rpc_main.c
new file mode 100644
index 0000000..277adc6
--- /dev/null
+++ b/tools/rpcgen/rpc_main.c
@@ -0,0 +1,1459 @@
+/*
+ * From @(#)rpc_main.c 1.30 89/03/30
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_main.c, Top level of the RPC protocol compiler.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <locale.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "rpc_scan.h"
+#include "proto.h"
+#include "nls.h"
+
+#ifndef _
+#define _(String) gettext (String)
+#endif
+
+#define EXTEND	1		/* alias for TRUE */
+#define DONT_EXTEND	0	/* alias for FALSE */
+
+#ifdef __APPLE__
+# if __DARWIN_ONLY_64_BIT_INO_T
+#  define stat64 stat
+# endif
+#endif
+
+struct commandline
+  {
+    int cflag;			/* xdr C routines */
+    int hflag;			/* header file */
+    int lflag;			/* client side stubs */
+    int mflag;			/* server side stubs */
+    int nflag;			/* netid flag */
+    int sflag;			/* server stubs for the given transport */
+    int tflag;			/* dispatch Table file */
+    int Ssflag;			/* produce server sample code */
+    int Scflag;			/* produce client sample code */
+    int makefileflag;		/* Generate a template Makefile */
+    const char *infile;		/* input module name */
+    const char *outfile;	/* output module name */
+  };
+
+
+static const char *cmdname;
+
+static const char *svcclosetime = "120";
+static int cppDefined;	/* explicit path for C preprocessor */
+static const char *CPP = "/lib/cpp";
+static const char CPPFLAGS[] = "-C";
+static char *pathbuf;
+static int cpp_pid;
+static const char *allv[] =
+{
+  "rpcgen", "-s", "udp", "-s", "tcp"
+};
+static int allc = sizeof (allv) / sizeof (allv[0]);
+static const char *allnv[] =
+{
+  "rpcgen", "-s", "netpath",
+};
+static int allnc = sizeof (allnv) / sizeof (allnv[0]);
+
+/*
+ * machinations for handling expanding argument list
+ */
+static void addarg (const char *);	/* add another argument to the list */
+static void putarg (int, const char *);		/* put argument at specified location */
+static void clear_args (void);	/* clear argument list */
+static void checkfiles (const char *, const char *);
+				       /* check if out file already exists */
+
+static void clear_args (void);
+static char *extendfile (const char *file, const char *ext);
+static void open_output (const char *infile, const char *outfile);
+static void add_warning (void);
+static void clear_args (void);
+static void find_cpp (void);
+static void open_input (const char *infile, const char *define);
+static int check_nettype (const char *name, const char *list_to_check[]);
+static void c_output (const char *infile, const char *define,
+		      int extend, const char *outfile);
+static void h_output (const char *infile, const char *define,
+		      int extend, const char *outfile);
+static void s_output (int argc, const char *argv[], const char *infile,
+		      const char *define, int extend,
+		      const char *outfile, int nomain, int netflag);
+static void l_output (const char *infile, const char *define,
+		      int extend, const char *outfile);
+static void t_output (const char *infile, const char *define,
+		      int extend, const char *outfile);
+static void svc_output (const char *infile, const char *define,
+			int extend, const char *outfile);
+static void clnt_output (const char *infile, const char *define,
+			 int extend, const char *outfile);
+static void mkfile_output (struct commandline *cmd);
+static int do_registers (int argc, const char *argv[]);
+static void addarg (const char *cp);
+static void putarg (int whereto, const char *cp);
+static void checkfiles (const char *infile, const char *outfile);
+static int parseargs (int argc, const char *argv[], struct commandline *cmd);
+static void usage (FILE *stream, int status) __attribute__ ((noreturn));
+static void options_usage (FILE *stream, int status) __attribute__ ((noreturn));
+static void print_version (void);
+static void c_initialize (void);
+static char *generate_guard (const char *pathname);
+
+
+#define ARGLISTLEN	20
+#define FIXEDARGS         2
+
+static const char *arglist[ARGLISTLEN];
+static int argcount = FIXEDARGS;
+
+
+int nonfatalerrors;		/* errors */
+int inetdflag /* = 1 */ ;	/* Support for inetd *//* is now the default */
+int pmflag;			/* Support for port monitors */
+int logflag;			/* Use syslog instead of fprintf for errors */
+int tblflag;			/* Support for dispatch table file */
+int mtflag;			/* Support for MT */
+
+#define INLINE 3
+/*length at which to start doing an inline */
+
+int inlineflag = INLINE;	/* length at which to start doing an inline. 3 = default
+				   if 0, no xdr_inline code */
+
+int indefinitewait;		/* If started by port monitors, hang till it wants */
+int exitnow;			/* If started by port monitors, exit after the call */
+int timerflag;			/* TRUE if !indefinite && !exitnow */
+int newstyle;			/* newstyle of passing arguments (by value) */
+int Cflag = 1;			/* ANSI C syntax */
+int CCflag;			/* C++ files */
+static int allfiles;		/* generate all files */
+int tirpcflag;			/* generating code for tirpc, default is backward compatibility */
+xdrfunc *xdrfunc_head;		/* xdr function list */
+xdrfunc *xdrfunc_tail;		/* xdr function list */
+
+int
+main (int argc, const char *argv[])
+{
+  struct commandline cmd;
+
+  setlocale (LC_ALL, "");
+  textdomain (PACKAGE);
+
+  (void) memset ((char *) &cmd, 0, sizeof (struct commandline));
+  clear_args ();
+  if (!parseargs (argc, argv, &cmd))
+    usage (stderr, 1);
+
+  if (cmd.cflag || cmd.hflag || cmd.lflag || cmd.tflag || cmd.sflag ||
+      cmd.mflag || cmd.nflag || cmd.Ssflag || cmd.Scflag)
+    {
+      checkfiles (cmd.infile, cmd.outfile);
+    }
+  else
+    checkfiles (cmd.infile, NULL);
+
+  if (cmd.cflag)
+    c_output (cmd.infile, "-DRPC_XDR", DONT_EXTEND, cmd.outfile);
+  else if (cmd.hflag)
+    h_output (cmd.infile, "-DRPC_HDR", DONT_EXTEND, cmd.outfile);
+  else if (cmd.lflag)
+    l_output (cmd.infile, "-DRPC_CLNT", DONT_EXTEND, cmd.outfile);
+  else if (cmd.sflag || cmd.mflag || (cmd.nflag))
+    s_output (argc, argv, cmd.infile, "-DRPC_SVC", DONT_EXTEND,
+	      cmd.outfile, cmd.mflag, cmd.nflag);
+  else if (cmd.tflag)
+    t_output (cmd.infile, "-DRPC_TBL", DONT_EXTEND, cmd.outfile);
+  else if (cmd.Ssflag)
+    svc_output (cmd.infile, "-DRPC_SERVER", DONT_EXTEND, cmd.outfile);
+  else if (cmd.Scflag)
+    clnt_output (cmd.infile, "-DRPC_CLIENT", DONT_EXTEND, cmd.outfile);
+  else if (cmd.makefileflag)
+    mkfile_output (&cmd);
+  else
+    {
+      /* the rescans are required, since cpp may effect input */
+      c_output (cmd.infile, "-DRPC_XDR", EXTEND, "_xdr.c");
+      reinitialize ();
+      h_output (cmd.infile, "-DRPC_HDR", EXTEND, ".h");
+      reinitialize ();
+      l_output (cmd.infile, "-DRPC_CLNT", EXTEND, "_clnt.c");
+      reinitialize ();
+      if (inetdflag || !tirpcflag)
+	s_output (allc, allv, cmd.infile, "-DRPC_SVC", EXTEND,
+		  "_svc.c", cmd.mflag, cmd.nflag);
+      else
+	s_output (allnc, allnv, cmd.infile, "-DRPC_SVC",
+		  EXTEND, "_svc.c", cmd.mflag, cmd.nflag);
+      if (tblflag)
+	{
+	  reinitialize ();
+	  t_output (cmd.infile, "-DRPC_TBL", EXTEND, "_tbl.i");
+	}
+      if (allfiles)
+	{
+	  reinitialize ();
+	  svc_output (cmd.infile, "-DRPC_SERVER", EXTEND, "_server.c");
+	  reinitialize ();
+	  clnt_output (cmd.infile, "-DRPC_CLIENT", EXTEND, "_client.c");
+	}
+      if (allfiles || (cmd.makefileflag == 1))
+	{
+	  reinitialize ();
+	  mkfile_output (&cmd);
+	}
+    }
+
+  return nonfatalerrors;
+}
+
+/*
+ * add extension to filename
+ */
+static char *
+extendfile (const char *file, const char *ext)
+{
+  char *res;
+  const char *p;
+
+  res = alloc (strlen (file) + strlen (ext) + 1);
+  if (res == NULL)
+    abort ();
+  p = strrchr (file, '.');
+  if (p == NULL)
+    p = file + strlen (file);
+  strcpy (res, file);
+  strcpy (res + (p - file), ext);
+  return res;
+}
+
+/*
+ * Open output file with given extension
+ */
+static void
+open_output (const char *infile, const char *outfile)
+{
+  if (outfile == NULL)
+    {
+      fout = stdout;
+      return;
+    }
+
+  if (infile != NULL && streq (outfile, infile))
+    {
+      fprintf (stderr, _("%s: output would overwrite %s\n"), cmdname,
+	       infile);
+      crash ();
+    }
+  fout = fopen (outfile, "w");
+  if (fout == NULL)
+    {
+      fprintf (stderr, _("%s: unable to open %s: %m\n"), cmdname, outfile);
+      crash ();
+    }
+  record_open (outfile);
+}
+
+/* Close the output file and check for write errors.  */
+static void
+close_output (const char *outfile)
+{
+  if (fclose (fout) == EOF)
+    {
+      fprintf (stderr, _("%s: while writing output %s: %m"), cmdname,
+	       outfile ?: "<stdout>");
+      crash ();
+    }
+}
+
+static void
+add_warning (void)
+{
+  fprintf (fout, "/*\n");
+  fprintf (fout, " * Please do not edit this file.\n");
+  fprintf (fout, " * It was generated using rpcgen.\n");
+  fprintf (fout, " */\n\n");
+}
+
+/* clear list of arguments */
+static void
+clear_args (void)
+{
+  int i;
+  for (i = FIXEDARGS; i < ARGLISTLEN; ++i)
+    arglist[i] = NULL;
+  argcount = FIXEDARGS;
+}
+
+/* make sure that a CPP exists */
+static void
+find_cpp (void)
+{
+  struct stat64 buf;
+
+  if (stat64 (CPP, &buf) == 0)
+    return;
+
+  if (cppDefined) /* user specified cpp but it does not exist */
+    {
+      fprintf (stderr, _ ("cannot find C preprocessor: %s\n"), CPP);
+      crash ();
+    }
+
+  /* fall back to system CPP */
+  CPP = "cpp";
+}
+
+/*
+ * Open input file with given define for C-preprocessor
+ */
+static void
+open_input (const char *infile, const char *define)
+{
+  int pd[2];
+
+  infilename = (infile == NULL) ? "<stdin>" : infile;
+  if (pipe (pd) != 0)
+    {
+      perror ("pipe");
+      exit (1);
+    }
+  cpp_pid = fork ();
+  switch (cpp_pid)
+    {
+    case 0:
+      find_cpp ();
+      putarg (0, CPP);
+      putarg (1, CPPFLAGS);
+      addarg (define);
+      if (infile)
+	addarg (infile);
+      addarg ((char *) NULL);
+      close (1);
+      dup2 (pd[1], 1);
+      close (pd[0]);
+      execvp (arglist[0], (char **) arglist);
+      if (errno == ENOENT)
+        {
+          fprintf (stderr, _ ("cannot find C preprocessor: %s\n"), CPP);
+          exit (1);
+        }
+      perror ("execvp");
+      exit (1);
+    case -1:
+      perror ("fork");
+      exit (1);
+    }
+  close (pd[1]);
+  fin = fdopen (pd[0], "r");
+  if (fin == NULL)
+    {
+      fprintf (stderr, "%s: ", cmdname);
+      perror (infilename);
+      crash ();
+    }
+}
+
+/* Close the connection to the C-preprocessor and check for successfull
+   termination.  */
+static void
+close_input (void)
+{
+  int status;
+
+  fclose (fin);
+  /* Check the termination status.  */
+  if (waitpid (cpp_pid, &status, 0) < 0)
+    {
+      perror ("waitpid");
+      crash ();
+    }
+  if (WIFSIGNALED (status) || WEXITSTATUS (status) != 0)
+    {
+      if (WIFSIGNALED (status))
+	fprintf (stderr, _("%s: C preprocessor failed with signal %d\n"),
+		 cmdname, WTERMSIG (status));
+      else
+	fprintf (stderr, _("%s: C preprocessor failed with exit code %d\n"),
+		 cmdname, WEXITSTATUS (status));
+      crash ();
+    }
+}
+
+/* valid tirpc nettypes */
+static const char *valid_ti_nettypes[] =
+{
+  "netpath",
+  "visible",
+  "circuit_v",
+  "datagram_v",
+  "circuit_n",
+  "datagram_n",
+  "udp",
+  "tcp",
+  "raw",
+  NULL
+};
+
+/* valid inetd nettypes */
+static const char *valid_i_nettypes[] =
+{
+  "udp",
+  "tcp",
+  NULL
+};
+
+static int
+check_nettype (const char *name, const char *list_to_check[])
+{
+  int i;
+  for (i = 0; list_to_check[i] != NULL; i++)
+    {
+      if (strcmp (name, list_to_check[i]) == 0)
+	{
+	  return 1;
+	}
+    }
+  fprintf (stderr, _ ("illegal nettype: `%s'\n"), name);
+  return 0;
+}
+
+/*
+ * Compile into an XDR routine output file
+ */
+
+static void
+c_output (const char *infile, const char *define, int extend,
+	  const char *outfile)
+{
+  definition *def;
+  char *include;
+  const char *outfilename;
+  long tell;
+
+  c_initialize ();
+  open_input (infile, define);
+  outfilename = extend ? extendfile (infile, outfile) : outfile;
+  open_output (infile, outfilename);
+  add_warning ();
+  if (infile && (include = extendfile (infile, ".h")))
+    {
+      fprintf (fout, "#include \"%s\"\n", include);
+      free (include);
+      /* .h file already contains rpc/rpc.h */
+    }
+  else
+    fprintf (fout, "#include <rpc/rpc.h>\n");
+  tell = ftell (fout);
+  while ((def = get_definition ()) != NULL)
+    emit (def);
+
+  if (extend && tell == ftell (fout))
+    unlink (outfilename);
+  close_input ();
+  close_output (outfilename);
+}
+
+void
+c_initialize (void)
+{
+
+  /* add all the starting basic types */
+
+  add_type (1, "int");
+  add_type (1, "long");
+  add_type (1, "short");
+  add_type (1, "bool");
+
+  add_type (1, "u_int");
+  add_type (1, "u_long");
+  add_type (1, "u_short");
+
+}
+
+char rpcgen_table_dcl[] = "struct rpcgen_table {\n\
+	char	*(*proc)();\n\
+	xdrproc_t	xdr_arg;\n\
+	unsigned	len_arg;\n\
+	xdrproc_t	xdr_res;\n\
+	unsigned	len_res;\n\
+};\n";
+
+
+static char *
+generate_guard (const char *pathname)
+{
+  const char *filename;
+  char *guard, *tmp;
+
+  filename = strrchr (pathname, '/');	/* find last component */
+  filename = ((filename == NULL) ? pathname : filename + 1);
+  guard = extendfile (filename, "_H_RPCGEN");
+  /* convert to upper case */
+  tmp = guard;
+  while (*tmp)
+    {
+      if (islower (*tmp))
+	*tmp = toupper (*tmp);
+      tmp++;
+    }
+
+  return guard;
+}
+
+/*
+ * Compile into an XDR header file
+ */
+
+
+static void
+h_output (const char *infile, const char *define, int extend,
+	  const char *outfile)
+{
+  xdrfunc *xdrfuncp;
+  definition *def;
+  const char *ifilename;
+  const char *outfilename;
+  long tell;
+  char *guard;
+  list *l;
+
+  open_input (infile, define);
+  outfilename = extend ? extendfile (infile, outfile) : outfile;
+  open_output (infile, outfilename);
+  add_warning ();
+  ifilename = (infile == NULL) ? "STDIN" : infile;
+  guard = generate_guard (outfilename ? outfilename : ifilename);
+
+  fprintf (fout, "#ifndef _%s\n#define _%s\n\n", guard,
+	   guard);
+
+  fprintf (fout, "#include <rpc/rpc.h>\n\n");
+
+  if (mtflag)
+    {
+      fprintf (fout, "#include <pthread.h>\n");
+    }
+
+  /* put the C++ support */
+  if (Cflag && !CCflag)
+    {
+      fprintf (fout, "\n#ifdef __cplusplus\n");
+      fprintf (fout, "extern \"C\" {\n");
+      fprintf (fout, "#endif\n\n");
+    }
+
+  tell = ftell (fout);
+  /* print data definitions */
+  while ((def = get_definition ()) != NULL)
+    {
+      print_datadef (def);
+    }
+
+  /* print function declarations.
+     Do this after data definitions because they might be used as
+     arguments for functions */
+  for (l = defined; l != NULL; l = l->next)
+    {
+      print_funcdef (l->val);
+    }
+  /* Now  print all xdr func declarations */
+  if (xdrfunc_head != NULL)
+    {
+      fprintf (fout, "\n/* the xdr functions */\n");
+      if (CCflag)
+	{
+	  fprintf (fout, "\n#ifdef __cplusplus\n");
+	  fprintf (fout, "extern \"C\" {\n");
+	  fprintf (fout, "#endif\n");
+	}
+      if (!Cflag)
+	{
+	  xdrfuncp = xdrfunc_head;
+	  while (xdrfuncp != NULL)
+	    {
+	      print_xdr_func_def (xdrfuncp->name,
+				  xdrfuncp->pointerp, 2);
+	      xdrfuncp = xdrfuncp->next;
+	    }
+	}
+      else
+	{
+	  int i;
+
+	  for (i = 1; i < 3; ++i)
+	    {
+	      if (i == 1)
+		fprintf (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
+	      else
+		fprintf (fout, "\n#else /* K&R C */\n");
+
+	      xdrfuncp = xdrfunc_head;
+	      while (xdrfuncp != NULL)
+		{
+		  print_xdr_func_def (xdrfuncp->name,
+				      xdrfuncp->pointerp, i);
+		  xdrfuncp = xdrfuncp->next;
+		}
+	    }
+	  fprintf (fout, "\n#endif /* K&R C */\n");
+	}
+    }
+
+  if (extend && tell == ftell (fout))
+    {
+      unlink (outfilename);
+    }
+  else if (tblflag)
+    {
+      fprintf (fout, "%s", rpcgen_table_dcl);
+    }
+
+  if (Cflag)
+    {
+      fprintf (fout, "\n#ifdef __cplusplus\n");
+      fprintf (fout, "}\n");
+      fprintf (fout, "#endif\n");
+    }
+
+  fprintf (fout, "\n#endif /* !_%s */\n", guard);
+  free (guard);
+  close_input ();
+  close_output (outfilename);
+}
+
+/*
+ * Compile into an RPC service
+ */
+static void
+s_output (int argc, const char *argv[], const char *infile, const char *define,
+	  int extend, const char *outfile, int nomain, int netflag)
+{
+  char *include;
+  definition *def;
+  int foundprogram = 0;
+  const char *outfilename;
+
+  open_input (infile, define);
+  outfilename = extend ? extendfile (infile, outfile) : outfile;
+  open_output (infile, outfilename);
+  add_warning ();
+  if (infile && (include = extendfile (infile, ".h")))
+    {
+      fprintf (fout, "#include \"%s\"\n", include);
+      free (include);
+    }
+  else
+    fprintf (fout, "#include <rpc/rpc.h>\n");
+
+  fprintf (fout, "#include <stdio.h>\n");
+  fprintf (fout, "#include <stdlib.h>\n");
+  fprintf (fout, "#include <rpc/pmap_clnt.h>\n");
+  if (Cflag)
+    fprintf (fout, "#include <string.h>\n");
+  if (strcmp (svcclosetime, "-1") == 0)
+    indefinitewait = 1;
+  else if (strcmp (svcclosetime, "0") == 0)
+    exitnow = 1;
+  else if (inetdflag || pmflag)
+    {
+      fprintf (fout, "#include <signal.h>\n");
+      timerflag = 1;
+    }
+
+  if (!tirpcflag && inetdflag)
+    fprintf (fout, "#include <sys/ioctl.h> /* ioctl, TIOCNOTTY */\n");
+  if (Cflag && (inetdflag || pmflag))
+    {
+      fprintf (fout, "#include <sys/types.h> /* open */\n");
+      fprintf (fout, "#include <sys/stat.h> /* open */\n");
+      fprintf (fout, "#include <fcntl.h> /* open */\n");
+      fprintf (fout, "#include <unistd.h> /* getdtablesize */\n");
+    }
+  if (tirpcflag && !(Cflag && (inetdflag || pmflag)))
+    fprintf (fout, "#include <sys/types.h>\n");
+
+  fprintf (fout, "#include <memory.h>\n");
+  if (inetdflag || !tirpcflag)
+    {
+      fprintf (fout, "#include <sys/socket.h>\n");
+      fprintf (fout, "#include <netinet/in.h>\n");
+    }
+
+  if ((netflag || pmflag) && tirpcflag && !nomain)
+    {
+      fprintf (fout, "#include <netconfig.h>\n");
+    }
+  if ( /*timerflag && */ tirpcflag)
+    fprintf (fout, "#include <sys/resource.h> /* rlimit */\n");
+  if (logflag || inetdflag || pmflag)
+    {
+      fprintf (fout, "#include <syslog.h>\n");
+    }
+
+  /* for ANSI-C */
+  if (Cflag)
+    fprintf (fout, "\n#ifndef SIG_PF\n#define SIG_PF void(*)(int)\n#endif\n");
+
+  if (timerflag)
+    fprintf (fout, "\n#define _RPCSVC_CLOSEDOWN %s\n", svcclosetime);
+  while ((def = get_definition ()) != NULL)
+    {
+      foundprogram |= (def->def_kind == DEF_PROGRAM);
+    }
+  if (extend && !foundprogram)
+    {
+      unlink (outfilename);
+      return;
+    }
+  write_most (infile, netflag, nomain);
+  if (!nomain)
+    {
+      if (!do_registers (argc, argv))
+	{
+	  if (outfilename)
+	    unlink (outfilename);
+	  usage (stderr, 1);
+	}
+      write_rest ();
+    }
+  close_input ();
+  close_output (outfilename);
+}
+
+/*
+ * generate client side stubs
+ */
+static void
+l_output (const char *infile, const char *define, int extend,
+	  const char *outfile)
+{
+  char *include;
+  definition *def;
+  int foundprogram = 0;
+  const char *outfilename;
+
+  open_input (infile, define);
+  outfilename = extend ? extendfile (infile, outfile) : outfile;
+  open_output (infile, outfilename);
+  add_warning ();
+  if (Cflag)
+    fprintf (fout, "#include <memory.h> /* for memset */\n");
+  if (infile && (include = extendfile (infile, ".h")))
+    {
+      fprintf (fout, "#include \"%s\"\n", include);
+      free (include);
+    }
+  else
+    fprintf (fout, "#include <rpc/rpc.h>\n");
+  while ((def = get_definition ()) != NULL)
+    {
+      foundprogram |= (def->def_kind == DEF_PROGRAM);
+    }
+  if (extend && !foundprogram)
+    {
+      unlink (outfilename);
+      return;
+    }
+  write_stubs ();
+  close_input ();
+  close_output (outfilename);
+}
+
+/*
+ * generate the dispatch table
+ */
+static void
+t_output (const char *infile, const char *define, int extend,
+	  const char *outfile)
+{
+  definition *def;
+  int foundprogram = 0;
+  const char *outfilename;
+
+  open_input (infile, define);
+  outfilename = extend ? extendfile (infile, outfile) : outfile;
+  open_output (infile, outfilename);
+  add_warning ();
+  while ((def = get_definition ()) != NULL)
+    {
+      foundprogram |= (def->def_kind == DEF_PROGRAM);
+    }
+  if (extend && !foundprogram)
+    {
+      unlink (outfilename);
+      return;
+    }
+  write_tables ();
+  close_input ();
+  close_output (outfilename);
+}
+
+/* sample routine for the server template */
+static void
+svc_output (const char *infile, const char *define, int extend,
+	    const char *outfile)
+{
+  definition *def;
+  char *include;
+  const char *outfilename;
+  long tell;
+
+  open_input (infile, define);
+  outfilename = extend ? extendfile (infile, outfile) : outfile;
+  checkfiles (infile, outfilename);
+  /*check if outfile already exists.
+     if so, print an error message and exit */
+  open_output (infile, outfilename);
+  add_sample_msg ();
+
+  if (infile && (include = extendfile (infile, ".h")))
+    {
+      fprintf (fout, "#include \"%s\"\n", include);
+      free (include);
+    }
+  else
+    fprintf (fout, "#include <rpc/rpc.h>\n");
+
+  tell = ftell (fout);
+  while ((def = get_definition ()) != NULL)
+    {
+      write_sample_svc (def);
+    }
+  if (extend && tell == ftell (fout))
+    {
+      unlink (outfilename);
+    }
+  close_input ();
+  close_output (outfilename);
+}
+
+
+/* sample main routine for client */
+static void
+clnt_output (const char *infile, const char *define, int extend,
+	     const char *outfile)
+{
+  definition *def;
+  char *include;
+  const char *outfilename;
+  long tell;
+  int has_program = 0;
+
+  open_input (infile, define);
+  outfilename = extend ? extendfile (infile, outfile) : outfile;
+  checkfiles (infile, outfilename);
+  /*check if outfile already exists.
+     if so, print an error message and exit */
+
+  open_output (infile, outfilename);
+  add_sample_msg ();
+  if (infile && (include = extendfile (infile, ".h")))
+    {
+      fprintf (fout, "#include \"%s\"\n", include);
+      free (include);
+    }
+  else
+    fprintf (fout, "#include <rpc/rpc.h>\n");
+  tell = ftell (fout);
+  while ((def = get_definition ()) != NULL)
+    {
+      has_program += write_sample_clnt (def);
+    }
+
+  if (has_program)
+    write_sample_clnt_main ();
+
+  if (extend && tell == ftell (fout))
+    {
+      unlink (outfilename);
+    }
+  close_input ();
+  close_output (outfilename);
+}
+
+static const char space[] = " ";
+
+static char *
+file_name (const char *file, const char *ext)
+{
+  char *temp;
+  temp = extendfile (file, ext);
+
+  if (access (temp, F_OK) != -1)
+    return (temp);
+
+  free (temp);
+  return (char *) space;
+}
+
+static void
+mkfile_output (struct commandline *cmd)
+{
+  char *mkfilename;
+  char *clientname, *clntname, *xdrname, *hdrname;
+  char *servername, *svcname, *servprogname, *clntprogname;
+
+  svcname = file_name (cmd->infile, "_svc.c");
+  clntname = file_name (cmd->infile, "_clnt.c");
+  xdrname = file_name (cmd->infile, "_xdr.c");
+  hdrname = file_name (cmd->infile, ".h");
+
+  if (allfiles)
+    {
+      servername = extendfile (cmd->infile, "_server.c");
+      clientname = extendfile (cmd->infile, "_client.c");
+    }
+  else
+    {
+      servername = (char *) space;
+      clientname = (char *) space;
+    }
+  servprogname = extendfile (cmd->infile, "_server");
+  clntprogname = extendfile (cmd->infile, "_client");
+
+  if (allfiles)
+    {
+      char *cp, *temp;
+
+      mkfilename = alloc (strlen ("Makefile.") + strlen (cmd->infile) + 1);
+      if (mkfilename == NULL)
+	abort ();
+      temp = rindex (cmd->infile, '.');
+      cp = stpcpy (mkfilename, "Makefile.");
+      if (temp != NULL)
+	*((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
+      else
+	stpcpy (cp, cmd->infile);
+
+    }
+  else
+    mkfilename = (char *) cmd->outfile;
+
+  checkfiles (NULL, mkfilename);
+  open_output (NULL, mkfilename);
+
+  fprintf (fout, "\n# This is a template Makefile generated by rpcgen\n");
+
+  f_print (fout, "\n# Parameters\n\n");
+
+  f_print (fout, "CLIENT = %s\nSERVER = %s\n\n", clntprogname, servprogname);
+  f_print (fout, "SOURCES_CLNT.c = \nSOURCES_CLNT.h = \n");
+  f_print (fout, "SOURCES_SVC.c = \nSOURCES_SVC.h = \n");
+  f_print (fout, "SOURCES.x = %s\n\n", cmd->infile);
+  f_print (fout, "TARGETS_SVC.c = %s %s %s \n",
+	   svcname, servername, xdrname);
+  f_print (fout, "TARGETS_CLNT.c = %s %s %s \n",
+	   clntname, clientname, xdrname);
+  f_print (fout, "TARGETS = %s %s %s %s %s %s\n\n",
+	   hdrname, xdrname, clntname,
+	   svcname, clientname, servername);
+
+  f_print (fout, "OBJECTS_CLNT = $(SOURCES_CLNT.c:%%.c=%%.o) \
+$(TARGETS_CLNT.c:%%.c=%%.o)");
+
+  f_print (fout, "\nOBJECTS_SVC = $(SOURCES_SVC.c:%%.c=%%.o) \
+$(TARGETS_SVC.c:%%.c=%%.o)");
+
+  f_print (fout, "\n# Compiler flags \n");
+  if (mtflag)
+    fprintf (fout, "\nCPPFLAGS += -D_REENTRANT\nCFLAGS += -g \nLDLIBS \
++= -lnsl -lpthread \n ");
+  else
+    f_print (fout, "\nCFLAGS += -g \nLDLIBS += -lnsl\n");
+  f_print (fout, "RPCGENFLAGS = \n");
+
+  f_print (fout, "\n# Targets \n\n");
+
+  f_print (fout, "all : $(CLIENT) $(SERVER)\n\n");
+  f_print (fout, "$(TARGETS) : $(SOURCES.x) \n");
+  f_print (fout, "\trpcgen $(RPCGENFLAGS) $(SOURCES.x)\n\n");
+  f_print (fout, "$(OBJECTS_CLNT) : $(SOURCES_CLNT.c) $(SOURCES_CLNT.h) \
+$(TARGETS_CLNT.c) \n\n");
+
+  f_print (fout, "$(OBJECTS_SVC) : $(SOURCES_SVC.c) $(SOURCES_SVC.h) \
+$(TARGETS_SVC.c) \n\n");
+  f_print (fout, "$(CLIENT) : $(OBJECTS_CLNT) \n");
+  f_print (fout, "\t$(LINK.c) -o $(CLIENT) $(OBJECTS_CLNT) \
+$(LDLIBS) \n\n");
+  f_print (fout, "$(SERVER) : $(OBJECTS_SVC) \n");
+  f_print (fout, "\t$(LINK.c) -o $(SERVER) $(OBJECTS_SVC) $(LDLIBS)\n\n ");
+  f_print (fout, "clean:\n\t $(RM) core $(TARGETS) $(OBJECTS_CLNT) \
+$(OBJECTS_SVC) $(CLIENT) $(SERVER)\n\n");
+  close_output (mkfilename);
+
+  free (clntprogname);
+  free (servprogname);
+  if (servername != space)
+    free (servername);
+  if (clientname != space)
+    free (clientname);
+  if (mkfilename != (char *) cmd->outfile)
+    free (mkfilename);
+  if (svcname != space)
+    free (svcname);
+  if (clntname != space)
+    free (clntname);
+  if (xdrname != space)
+    free (xdrname);
+  if (hdrname != space)
+    free (hdrname);
+}
+
+/*
+ * Perform registrations for service output
+ * Return 0 if failed; 1 otherwise.
+ */
+static int
+do_registers (int argc, const char *argv[])
+{
+  int i;
+
+  if (inetdflag || !tirpcflag)
+    {
+      for (i = 1; i < argc; i++)
+	{
+	  if (streq (argv[i], "-s"))
+	    {
+	      if (!check_nettype (argv[i + 1], valid_i_nettypes))
+		return 0;
+	      write_inetd_register (argv[i + 1]);
+	      i++;
+	    }
+	}
+    }
+  else
+    {
+      for (i = 1; i < argc; i++)
+	if (streq (argv[i], "-s"))
+	  {
+	    if (!check_nettype (argv[i + 1], valid_ti_nettypes))
+	      return 0;
+	    write_nettype_register (argv[i + 1]);
+	    i++;
+	  }
+	else if (streq (argv[i], "-n"))
+	  {
+	    write_netid_register (argv[i + 1]);
+	    i++;
+	  }
+    }
+  return 1;
+}
+
+/*
+ * Add another argument to the arg list
+ */
+static void
+addarg (const char *cp)
+{
+  if (argcount >= ARGLISTLEN)
+    {
+      fprintf (stderr, _("rpcgen: too many defines\n"));
+      crash ();
+      /*NOTREACHED */
+    }
+  arglist[argcount++] = cp;
+}
+
+static void
+putarg (int whereto, const char *cp)
+{
+  if (whereto >= ARGLISTLEN)
+    {
+      fprintf (stderr, _("rpcgen: arglist coding error\n"));
+      crash ();
+      /*NOTREACHED */
+    }
+  arglist[whereto] = cp;
+}
+
+/*
+ * if input file is stdin and an output file is specified then complain
+ * if the file already exists. Otherwise the file may get overwritten
+ * If input file does not exist, exit with an error
+ */
+
+static void
+checkfiles (const char *infile, const char *outfile)
+{
+  struct stat64 buf;
+
+  if (infile)			/* infile ! = NULL */
+    if (stat64 (infile, &buf) < 0)
+      {
+	perror (infile);
+	crash ();
+      }
+  if (outfile)
+    {
+      if (stat64 (outfile, &buf) < 0)
+	return;			/* file does not exist */
+      else
+	{
+	  fprintf (stderr,
+		   /* TRANS: the file will not be removed; this is an
+		      TRANS: informative message.  */
+		   _("file `%s' already exists and may be overwritten\n"),
+		   outfile);
+	  crash ();
+	}
+    }
+}
+
+/*
+ * Parse command line arguments
+ */
+static int
+parseargs (int argc, const char *argv[], struct commandline *cmd)
+{
+  int i;
+  int j;
+  int c;
+  char flag[(1 << 8 * sizeof (char))];
+  int nflags;
+
+  cmdname = argv[0];
+  cmd->infile = cmd->outfile = NULL;
+  if (argc < 2)
+    {
+      return (0);
+    }
+  allfiles = 0;
+  flag['c'] = 0;
+  flag['h'] = 0;
+  flag['l'] = 0;
+  flag['m'] = 0;
+  flag['o'] = 0;
+  flag['s'] = 0;
+  flag['n'] = 0;
+  flag['t'] = 0;
+  flag['S'] = 0;
+  flag['C'] = 0;
+  flag['M'] = 0;
+
+  for (i = 1; i < argc; i++)
+    {
+      if (argv[i][0] != '-')
+	{
+	  if (cmd->infile)
+	    {
+	      fprintf (stderr,
+		       _("Cannot specify more than one input file!\n"));
+	      return 0;
+	    }
+	  cmd->infile = argv[i];
+	}
+      else if (strcmp (argv[i], "--help") == 0)
+	usage (stdout, 0);
+      else if (strcmp (argv[i], "--version") == 0)
+	print_version ();
+      else
+	{
+	  for (j = 1; argv[i][j] != 0; j++)
+	    {
+	      c = argv[i][j];
+	      switch (c)
+		{
+		case 'a':
+		  allfiles = 1;
+		  break;
+		case 'c':
+		case 'h':
+		case 'l':
+		case 'm':
+		case 't':
+		  if (flag[c])
+		    return 0;
+		  flag[c] = 1;
+		  break;
+		case 'S':
+		  /* sample flag: Ss or Sc.
+		     Ss means set flag['S'];
+		     Sc means set flag['C'];
+		     Sm means set flag['M']; */
+ 		  c = argv[i][++j];	/* get next char */
+		  if (c == 's')
+		    c = 'S';
+		  else if (c == 'c')
+		    c = 'C';
+		  else if (c == 'm')
+		    c = 'M';
+		  else
+		    return 0;
+
+		  if (flag[c])
+		    return 0;
+		  flag[c] = 1;
+		  break;
+		case 'C':	/* ANSI C syntax */
+		  Cflag = 1;
+		  break;
+
+		case 'k':  /* K&R C syntax */
+		  Cflag = 0;
+		  break;
+
+		case 'b':  /* turn TIRPC flag off for
+			      generating backward compatible
+			   */
+		  tirpcflag = 0;
+		  break;
+
+		case '5':  /* turn TIRPC flag on for
+			      generating SysVr4 compatible
+			   */
+		  tirpcflag = 1;
+		  break;
+		case 'I':
+		  inetdflag = 1;
+		  break;
+		case 'N':
+		  newstyle = 1;
+		  break;
+		case 'L':
+		  logflag = 1;
+		  break;
+		case 'K':
+		  if (++i == argc)
+		    {
+		      return (0);
+		    }
+		  svcclosetime = argv[i];
+		  goto nextarg;
+		case 'T':
+		  tblflag = 1;
+		  break;
+		case 'M':
+		  mtflag = 1;
+		  break;
+		case 'i':
+		  if (++i == argc)
+		    {
+		      return (0);
+		    }
+		  inlineflag = atoi (argv[i]);
+		  goto nextarg;
+		case 'n':
+		case 'o':
+		case 's':
+		  if (argv[i][j - 1] != '-' ||
+		      argv[i][j + 1] != 0)
+		    {
+		      return (0);
+		    }
+		  flag[c] = 1;
+		  if (++i == argc)
+		    {
+		      return (0);
+		    }
+		  if (c == 's')
+		    {
+		      if (!streq (argv[i], "udp") &&
+			  !streq (argv[i], "tcp"))
+			return 0;
+		    }
+		  else if (c == 'o')
+		    {
+		      if (cmd->outfile)
+			return 0;
+		      cmd->outfile = argv[i];
+		    }
+		  goto nextarg;
+		case 'D':
+		  if (argv[i][j - 1] != '-')
+		    return 0;
+		  addarg (argv[i]);
+		  goto nextarg;
+		case 'Y':
+		  if (++i == argc)
+		    return 0;
+		  {
+		    size_t len = strlen (argv[i]);
+		    pathbuf = malloc (len + 5);
+		    if (pathbuf == NULL)
+		      {
+			perror (cmdname);
+			crash ();
+		      }
+		    stpcpy (stpcpy (pathbuf,
+				    argv[i]),
+			    "/cpp");
+		    CPP = pathbuf;
+		    cppDefined = 1;
+		    goto nextarg;
+		  }
+
+		default:
+		  return 0;
+		}
+	      }
+	nextarg:
+	  ;
+	}
+    }
+
+  cmd->cflag = flag['c'];
+  cmd->hflag = flag['h'];
+  cmd->lflag = flag['l'];
+  cmd->mflag = flag['m'];
+  cmd->nflag = flag['n'];
+  cmd->sflag = flag['s'];
+  cmd->tflag = flag['t'];
+  cmd->Ssflag = flag['S'];
+  cmd->Scflag = flag['C'];
+  cmd->makefileflag = flag['M'];
+
+  if (tirpcflag)
+    {
+      pmflag = inetdflag ? 0 : 1;    /* pmflag or inetdflag is always TRUE */
+      if ((inetdflag && cmd->nflag))
+	{			/* netid not allowed with inetdflag */
+	  fprintf (stderr, _("Cannot use netid flag with inetd flag!\n"));
+	  return 0;
+	}
+    }
+  else
+    {				/* 4.1 mode */
+      pmflag = 0;		/* set pmflag only in tirpcmode */
+      if (cmd->nflag)
+	{			/* netid needs TIRPC */
+	  f_print (stderr, _("Cannot use netid flag without TIRPC!\n"));
+	  return (0);
+	}
+    }
+
+  if (newstyle && (tblflag || cmd->tflag))
+    {
+      f_print (stderr, _("Cannot use table flags with newstyle!\n"));
+      return (0);
+    }
+
+  /* check no conflicts with file generation flags */
+  nflags = cmd->cflag + cmd->hflag + cmd->lflag + cmd->mflag +
+    cmd->sflag + cmd->nflag + cmd->tflag + cmd->Ssflag + cmd->Scflag;
+
+  if (nflags == 0)
+    {
+      if (cmd->outfile != NULL || cmd->infile == NULL)
+	{
+	  return (0);
+	}
+    }
+  else if (cmd->infile == NULL &&
+	   (cmd->Ssflag || cmd->Scflag || cmd->makefileflag))
+    {
+      fprintf (stderr,
+	       _("\"infile\" is required for template generation flags.\n"));
+      return 0;
+    }
+  if (nflags > 1)
+    {
+      fprintf (stderr, _("Cannot have more than one file generation flag!\n"));
+      return 0;
+    }
+  return 1;
+}
+
+static void
+usage (FILE *stream, int status)
+{
+  fprintf (stream, _("usage: %s infile\n"), cmdname);
+  fprintf (stream, _("\t%s [-abkCLNTM][-Dname[=value]] [-i size] \
+[-I [-K seconds]] [-Y path] infile\n"), cmdname);
+  fprintf (stream, _("\t%s [-c | -h | -l | -m | -t | -Sc | -Ss | -Sm] \
+[-o outfile] [infile]\n"), cmdname);
+  fprintf (stream, _("\t%s [-s nettype]* [-o outfile] [infile]\n"), cmdname);
+  fprintf (stream, _("\t%s [-n netid]* [-o outfile] [infile]\n"), cmdname);
+  options_usage (stream, status);
+  exit (status);
+}
+
+static void
+options_usage (FILE *stream, int status)
+{
+  f_print (stream, _("options:\n"));
+  f_print (stream, _("-a\t\tgenerate all files, including samples\n"));
+  f_print (stream, _("-b\t\tbackward compatibility mode (generates code for SunOS 4.1)\n"));
+  f_print (stream, _("-c\t\tgenerate XDR routines\n"));
+  f_print (stream, _("-C\t\tANSI C mode\n"));
+  f_print (stream, _("-Dname[=value]\tdefine a symbol (same as #define)\n"));
+  f_print (stream, _("-h\t\tgenerate header file\n"));
+  f_print (stream, _("-i size\t\tsize at which to start generating inline code\n"));
+  f_print (stream, _("-I\t\tgenerate code for inetd support in server (for SunOS 4.1)\n"));
+  f_print (stream, _("-K seconds\tserver exits after K seconds of inactivity\n"));
+  f_print (stream, _("-l\t\tgenerate client side stubs\n"));
+  f_print (stream, _("-L\t\tserver errors will be printed to syslog\n"));
+  f_print (stream, _("-m\t\tgenerate server side stubs\n"));
+  f_print (stream, _("-M\t\tgenerate MT-safe code\n"));
+  f_print (stream, _("-n netid\tgenerate server code that supports named netid\n"));
+  f_print (stream, _("-N\t\tsupports multiple arguments and call-by-value\n"));
+  f_print (stream, _("-o outfile\tname of the output file\n"));
+  f_print (stream, _("-s nettype\tgenerate server code that supports named nettype\n"));
+  f_print (stream, _("-Sc\t\tgenerate sample client code that uses remote procedures\n"));
+  f_print (stream, _("-Ss\t\tgenerate sample server code that defines remote procedures\n"));
+  f_print (stream, _("-Sm \t\tgenerate makefile template \n"));
+  f_print (stream, _("-t\t\tgenerate RPC dispatch table\n"));
+  f_print (stream, _("-T\t\tgenerate code to support RPC dispatch tables\n"));
+  f_print (stream, _("-Y path\t\tdirectory name to find C preprocessor (cpp)\n"));
+  f_print (stream, _("-5\t\tSysVr4 compatibility mode\n"));
+  f_print (stream, _("--help\t\tgive this help list\n"));
+  f_print (stream, _("--version\tprint program version\n"));
+
+  exit (status);
+}
+
+static void
+print_version (void)
+{
+  printf ("rpcgen (%s) %s\n", PACKAGE, VERSION);
+  exit (0);
+}
diff --git a/tools/rpcgen/rpc_output.h b/tools/rpcgen/rpc_output.h
new file mode 100644
index 0000000..eb25a60
--- /dev/null
+++ b/tools/rpcgen/rpc_output.h
@@ -0,0 +1,16 @@
+/*
+ * rpc_output.h
+ *
+ * Declarations for output functions
+ *
+ */
+
+#ifndef RPCGEN_NEW_OUTPUT_H
+#define RPCGEN_NEW_OUTPUT_H
+
+void	write_msg_out(void);
+int	nullproc(proc_list *);
+void	printarglist(proc_list *, char *, char *);
+void	pdeclaration(char *, declaration *, int, char *);
+
+#endif /* RPCGEN_NEW_OUTPUT_H */
diff --git a/tools/rpcgen/rpc_parse.c b/tools/rpcgen/rpc_parse.c
new file mode 100644
index 0000000..ee37430
--- /dev/null
+++ b/tools/rpcgen/rpc_parse.c
@@ -0,0 +1,686 @@
+/*
+ * From: @(#)rpc_parse.c 1.8 89/02/22
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_parse.c, Parser for the RPC protocol compiler
+ * Copyright (C) 1987 Sun Microsystems, Inc.
+ */
+#include <stdio.h>
+#include <string.h>
+#include "rpc_scan.h"
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+#define ARGNAME "arg"
+
+static void isdefined (definition * defp);
+static void def_struct (definition * defp);
+static void def_program (definition * defp);
+static void def_enum (definition * defp);
+static void def_const (definition * defp);
+static void def_union (definition * defp);
+static void check_type_name (const char *name, int new_type);
+static void def_typedef (definition * defp);
+static void get_declaration (declaration * dec, defkind dkind);
+static void get_prog_declaration (declaration * dec, defkind dkind, int num);
+static void get_type (const char **prefixp, const char **typep, defkind dkind);
+static void unsigned_dec (const char **typep);
+
+/*
+ * return the next definition you see
+ */
+definition *
+get_definition (void)
+{
+  definition *defp;
+  token tok;
+
+  defp = ALLOC (definition);
+  get_token (&tok);
+  switch (tok.kind)
+    {
+    case TOK_STRUCT:
+      def_struct (defp);
+      break;
+    case TOK_UNION:
+      def_union (defp);
+      break;
+    case TOK_TYPEDEF:
+      def_typedef (defp);
+      break;
+    case TOK_ENUM:
+      def_enum (defp);
+      break;
+    case TOK_PROGRAM:
+      def_program (defp);
+      break;
+    case TOK_CONST:
+      def_const (defp);
+      break;
+    case TOK_EOF:
+      free (defp);
+      return (NULL);
+    default:
+      error ("definition keyword expected");
+    }
+  scan (TOK_SEMICOLON, &tok);
+  isdefined (defp);
+  return (defp);
+}
+
+static void
+isdefined (definition * defp)
+{
+  STOREVAL (&defined, defp);
+}
+
+static void
+def_struct (definition * defp)
+{
+  token tok;
+  declaration dec;
+  decl_list *decls;
+  decl_list **tailp;
+
+  defp->def_kind = DEF_STRUCT;
+
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_LBRACE, &tok);
+  tailp = &defp->def.st.decls;
+  do
+    {
+      get_declaration (&dec, DEF_STRUCT);
+      decls = ALLOC (decl_list);
+      decls->decl = dec;
+      *tailp = decls;
+      tailp = &decls->next;
+      scan (TOK_SEMICOLON, &tok);
+      peek (&tok);
+    }
+  while (tok.kind != TOK_RBRACE);
+  get_token (&tok);
+  *tailp = NULL;
+}
+
+static void
+def_program (definition * defp)
+{
+  token tok;
+  declaration dec;
+  decl_list *decls;
+  decl_list **tailp;
+  version_list *vlist;
+  version_list **vtailp;
+  proc_list *plist;
+  proc_list **ptailp;
+  int num_args;
+  int isvoid = 0;	/* whether first argument is void */
+  defp->def_kind = DEF_PROGRAM;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_LBRACE, &tok);
+  vtailp = &defp->def.pr.versions;
+  tailp = &defp->def.st.decls;
+  scan (TOK_VERSION, &tok);
+  do
+    {
+      scan (TOK_IDENT, &tok);
+      vlist = ALLOC (version_list);
+      vlist->vers_name = tok.str;
+      scan (TOK_LBRACE, &tok);
+      ptailp = &vlist->procs;
+      do
+	{
+	  /* get result type */
+	  plist = ALLOC (proc_list);
+	  get_type (&plist->res_prefix, &plist->res_type,
+		    DEF_PROGRAM);
+	  if (streq (plist->res_type, "opaque"))
+	    {
+	      error ("illegal result type");
+	    }
+	  scan (TOK_IDENT, &tok);
+	  plist->proc_name = tok.str;
+	  scan (TOK_LPAREN, &tok);
+	  /* get args - first one */
+	  num_args = 1;
+	  isvoid = 0;
+	  /* type of DEF_PROGRAM in the first
+	   * get_prog_declaration and DEF_STURCT in the next
+	   * allows void as argument if it is the only argument
+	   */
+	  get_prog_declaration (&dec, DEF_PROGRAM, num_args);
+	  if (streq (dec.type, "void"))
+	    isvoid = 1;
+	  decls = ALLOC (decl_list);
+	  plist->args.decls = decls;
+	  decls->decl = dec;
+	  tailp = &decls->next;
+	  /* get args */
+	  while (peekscan (TOK_COMMA, &tok))
+	    {
+	      num_args++;
+	      get_prog_declaration (&dec, DEF_STRUCT,
+				    num_args);
+	      decls = ALLOC (decl_list);
+	      decls->decl = dec;
+	      *tailp = decls;
+	      if (streq (dec.type, "void"))
+		isvoid = 1;
+	      tailp = &decls->next;
+	    }
+	  /* multiple arguments are only allowed in newstyle */
+	  if (!newstyle && num_args > 1)
+	    {
+	      error ("only one argument is allowed");
+	    }
+	  if (isvoid && num_args > 1)
+	    {
+	      error ("illegal use of void in program definition");
+	    }
+	  *tailp = NULL;
+	  scan (TOK_RPAREN, &tok);
+	  scan (TOK_EQUAL, &tok);
+	  scan_num (&tok);
+	  scan (TOK_SEMICOLON, &tok);
+	  plist->proc_num = tok.str;
+	  plist->arg_num = num_args;
+	  *ptailp = plist;
+	  ptailp = &plist->next;
+	  peek (&tok);
+	}
+      while (tok.kind != TOK_RBRACE);
+      *ptailp = NULL;
+      *vtailp = vlist;
+      vtailp = &vlist->next;
+      scan (TOK_RBRACE, &tok);
+      scan (TOK_EQUAL, &tok);
+      scan_num (&tok);
+      vlist->vers_num = tok.str;
+      /* make the argument structure name for each arg */
+      for (plist = vlist->procs; plist != NULL;
+	   plist = plist->next)
+	{
+	  plist->args.argname = make_argname (plist->proc_name,
+					      vlist->vers_num);
+	  /* free the memory ?? */
+	}
+      scan (TOK_SEMICOLON, &tok);
+      scan2 (TOK_VERSION, TOK_RBRACE, &tok);
+    }
+  while (tok.kind == TOK_VERSION);
+  scan (TOK_EQUAL, &tok);
+  scan_num (&tok);
+  defp->def.pr.prog_num = tok.str;
+  *vtailp = NULL;
+}
+
+
+static void
+def_enum (definition * defp)
+{
+  token tok;
+  enumval_list *elist;
+  enumval_list **tailp;
+
+  defp->def_kind = DEF_ENUM;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_LBRACE, &tok);
+  tailp = &defp->def.en.vals;
+  do
+    {
+      scan (TOK_IDENT, &tok);
+      elist = ALLOC (enumval_list);
+      elist->name = tok.str;
+      elist->assignment = NULL;
+      scan3 (TOK_COMMA, TOK_RBRACE, TOK_EQUAL, &tok);
+      if (tok.kind == TOK_EQUAL)
+	{
+	  scan_num (&tok);
+	  elist->assignment = tok.str;
+	  scan2 (TOK_COMMA, TOK_RBRACE, &tok);
+	}
+      *tailp = elist;
+      tailp = &elist->next;
+    }
+  while (tok.kind != TOK_RBRACE);
+  *tailp = NULL;
+}
+
+static void
+def_const (definition * defp)
+{
+  token tok;
+
+  defp->def_kind = DEF_CONST;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_EQUAL, &tok);
+  scan2 (TOK_IDENT, TOK_STRCONST, &tok);
+  defp->def.co = tok.str;
+}
+
+static void
+def_union (definition *defp)
+{
+  token tok;
+  declaration dec;
+  case_list *cases;
+/*  case_list *tcase; */
+  case_list **tailp;
+#if 0
+  int flag;
+#endif
+
+  defp->def_kind = DEF_UNION;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_SWITCH, &tok);
+  scan (TOK_LPAREN, &tok);
+  get_declaration (&dec, DEF_UNION);
+  defp->def.un.enum_decl = dec;
+  tailp = &defp->def.un.cases;
+  scan (TOK_RPAREN, &tok);
+  scan (TOK_LBRACE, &tok);
+  scan (TOK_CASE, &tok);
+  while (tok.kind == TOK_CASE)
+    {
+      scan2 (TOK_IDENT, TOK_CHARCONST, &tok);
+      cases = ALLOC (case_list);
+      cases->case_name = tok.str;
+      scan (TOK_COLON, &tok);
+      /* now peek at next token */
+#if 0
+      flag = 0;
+#endif
+      if (peekscan (TOK_CASE, &tok))
+	{
+
+	  do
+	    {
+	      scan2 (TOK_IDENT, TOK_CHARCONST, &tok);
+	      cases->contflag = 1;	/* continued case statement */
+	      *tailp = cases;
+	      tailp = &cases->next;
+	      cases = ALLOC (case_list);
+	      cases->case_name = tok.str;
+	      scan (TOK_COLON, &tok);
+
+	    }
+	  while (peekscan (TOK_CASE, &tok));
+	}
+#if 0
+      else if (flag)
+	{
+
+	  *tailp = cases;
+	  tailp = &cases->next;
+	  cases = ALLOC (case_list);
+	};
+#endif
+
+      get_declaration (&dec, DEF_UNION);
+      cases->case_decl = dec;
+      cases->contflag = 0;	/* no continued case statement */
+      *tailp = cases;
+      tailp = &cases->next;
+      scan (TOK_SEMICOLON, &tok);
+
+      scan3 (TOK_CASE, TOK_DEFAULT, TOK_RBRACE, &tok);
+    }
+  *tailp = NULL;
+  if (tok.kind == TOK_DEFAULT)
+    {
+      scan (TOK_COLON, &tok);
+      get_declaration (&dec, DEF_UNION);
+      defp->def.un.default_decl = ALLOC (declaration);
+      *defp->def.un.default_decl = dec;
+      scan (TOK_SEMICOLON, &tok);
+      scan (TOK_RBRACE, &tok);
+    }
+  else
+    {
+      defp->def.un.default_decl = NULL;
+    }
+}
+
+static const char *reserved_words[] =
+{
+  "array",
+  "bytes",
+  "destroy",
+  "free",
+  "getpos",
+  "inline",
+  "pointer",
+  "reference",
+  "setpos",
+  "sizeof",
+  "union",
+  "vector",
+  NULL
+};
+
+static const char *reserved_types[] =
+{
+  "opaque",
+  "string",
+  NULL
+};
+
+/*
+ * check that the given name is not one that would eventually result in
+ * xdr routines that would conflict with internal XDR routines.
+ */
+static void
+check_type_name (const char *name, int new_type)
+{
+  int i;
+  char tmp[100];
+
+  for (i = 0; reserved_words[i] != NULL; i++)
+    {
+      if (strcmp (name, reserved_words[i]) == 0)
+	{
+	  sprintf (tmp,
+		"illegal (reserved) name :\'%s\' in type definition", name);
+	  error (tmp);
+	}
+    }
+  if (new_type)
+    {
+      for (i = 0; reserved_types[i] != NULL; i++)
+	{
+	  if (strcmp (name, reserved_types[i]) == 0)
+	    {
+	      sprintf (tmp,
+		"illegal (reserved) name :\'%s\' in type definition", name);
+	      error (tmp);
+	    }
+	}
+    }
+}
+
+
+
+static void
+def_typedef (definition * defp)
+{
+  declaration dec;
+
+  defp->def_kind = DEF_TYPEDEF;
+  get_declaration (&dec, DEF_TYPEDEF);
+  defp->def_name = dec.name;
+  check_type_name (dec.name, 1);
+  defp->def.ty.old_prefix = dec.prefix;
+  defp->def.ty.old_type = dec.type;
+  defp->def.ty.rel = dec.rel;
+  defp->def.ty.array_max = dec.array_max;
+}
+
+static void
+get_declaration (declaration * dec, defkind dkind)
+{
+  token tok;
+
+  get_type (&dec->prefix, &dec->type, dkind);
+  dec->rel = REL_ALIAS;
+  if (streq (dec->type, "void"))
+    {
+      return;
+    }
+
+  check_type_name (dec->type, 0);
+
+  scan2 (TOK_STAR, TOK_IDENT, &tok);
+  if (tok.kind == TOK_STAR)
+    {
+      dec->rel = REL_POINTER;
+      scan (TOK_IDENT, &tok);
+    }
+  dec->name = tok.str;
+  if (peekscan (TOK_LBRACKET, &tok))
+    {
+      if (dec->rel == REL_POINTER)
+	{
+	  error ("no array-of-pointer declarations -- use typedef");
+	}
+      dec->rel = REL_VECTOR;
+      scan_num (&tok);
+      dec->array_max = tok.str;
+      scan (TOK_RBRACKET, &tok);
+    }
+  else if (peekscan (TOK_LANGLE, &tok))
+    {
+      if (dec->rel == REL_POINTER)
+	{
+	  error ("no array-of-pointer declarations -- use typedef");
+	}
+      dec->rel = REL_ARRAY;
+      if (peekscan (TOK_RANGLE, &tok))
+	{
+	  dec->array_max = "~0";	/* unspecified size, use max */
+	}
+      else
+	{
+	  scan_num (&tok);
+	  dec->array_max = tok.str;
+	  scan (TOK_RANGLE, &tok);
+	}
+    }
+  if (streq (dec->type, "opaque"))
+    {
+      if (dec->rel != REL_ARRAY && dec->rel != REL_VECTOR)
+	{
+	  error ("array declaration expected");
+	}
+    }
+  else if (streq (dec->type, "string"))
+    {
+      if (dec->rel != REL_ARRAY)
+	{
+	  error ("variable-length array declaration expected");
+	}
+    }
+}
+
+static void
+get_prog_declaration (declaration * dec, defkind dkind, int num /* arg number */ )
+{
+  token tok;
+  char name[MAXLINESIZE];		/* argument name */
+
+  if (dkind == DEF_PROGRAM)
+    {
+      peek (&tok);
+      if (tok.kind == TOK_RPAREN)
+	{			/* no arguments */
+	  dec->rel = REL_ALIAS;
+	  dec->type = "void";
+	  dec->prefix = NULL;
+	  dec->name = NULL;
+	  return;
+	}
+    }
+  get_type (&dec->prefix, &dec->type, dkind);
+  dec->rel = REL_ALIAS;
+  if (peekscan (TOK_IDENT, &tok))	/* optional name of argument */
+    strcpy (name, tok.str);
+  else
+    sprintf (name, "%s%d", ARGNAME, num);	/* default name of argument */
+
+  dec->name = (char *) strdup (name);
+
+  if (streq (dec->type, "void"))
+    {
+      return;
+    }
+
+  if (streq (dec->type, "opaque"))
+    {
+      error ("opaque -- illegal argument type");
+    }
+  if (peekscan (TOK_STAR, &tok))
+    {
+      if (streq (dec->type, "string"))
+	{
+	  error ("pointer to string not allowed in program arguments\n");
+	}
+      dec->rel = REL_POINTER;
+      if (peekscan (TOK_IDENT, &tok))	/* optional name of argument */
+	dec->name = strdup (tok.str);
+    }
+  if (peekscan (TOK_LANGLE, &tok))
+    {
+      if (!streq (dec->type, "string"))
+	{
+	  error ("arrays cannot be declared as arguments to procedures -- use typedef");
+	}
+      dec->rel = REL_ARRAY;
+      if (peekscan (TOK_RANGLE, &tok))
+	{
+	  dec->array_max = "~0";	/* unspecified size, use max */
+	}
+      else
+	{
+	  scan_num (&tok);
+	  dec->array_max = tok.str;
+	  scan (TOK_RANGLE, &tok);
+	}
+    }
+  if (streq (dec->type, "string"))
+    {
+      if (dec->rel != REL_ARRAY)
+	{			/* .x specifies just string as
+				 * type of argument
+				 * - make it string<>
+				 */
+	  dec->rel = REL_ARRAY;
+	  dec->array_max = "~0";	/* unspecified size, use max */
+	}
+    }
+}
+
+static void
+get_type (const char **prefixp, const char **typep, defkind dkind)
+{
+  token tok;
+
+  *prefixp = NULL;
+  get_token (&tok);
+  switch (tok.kind)
+    {
+    case TOK_IDENT:
+      *typep = tok.str;
+      break;
+    case TOK_STRUCT:
+    case TOK_ENUM:
+    case TOK_UNION:
+      *prefixp = tok.str;
+      scan (TOK_IDENT, &tok);
+      *typep = tok.str;
+      break;
+    case TOK_UNSIGNED:
+      unsigned_dec (typep);
+      break;
+    case TOK_SHORT:
+      *typep = "short";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_LONG:
+      *typep = "long";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_HYPER:
+      *typep = "quad_t";
+      (void) peekscan(TOK_INT, &tok);
+      break;
+    case TOK_VOID:
+      if (dkind != DEF_UNION && dkind != DEF_PROGRAM)
+	{
+	  error ("voids allowed only inside union and program definitions with one argument");
+	}
+      *typep = tok.str;
+      break;
+    case TOK_STRING:
+    case TOK_OPAQUE:
+    case TOK_CHAR:
+    case TOK_INT:
+    case TOK_FLOAT:
+    case TOK_DOUBLE:
+    case TOK_BOOL:
+      *typep = tok.str;
+      break;
+    default:
+      error ("expected type specifier");
+    }
+}
+
+static void
+unsigned_dec (const char **typep)
+{
+  token tok;
+
+  peek (&tok);
+  switch (tok.kind)
+    {
+    case TOK_CHAR:
+      get_token (&tok);
+      *typep = "u_char";
+      break;
+    case TOK_SHORT:
+      get_token (&tok);
+      *typep = "u_short";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_LONG:
+      get_token (&tok);
+      *typep = "u_long";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_HYPER:
+      get_token (&tok);
+      *typep = "u_quad_t";
+      (void) peekscan(TOK_INT, &tok);
+      break;
+    case TOK_INT:
+      get_token (&tok);
+      *typep = "u_int";
+      break;
+    default:
+      *typep = "u_int";
+      break;
+    }
+}
diff --git a/tools/rpcgen/rpc_parse.h b/tools/rpcgen/rpc_parse.h
new file mode 100644
index 0000000..e2e2f1e
--- /dev/null
+++ b/tools/rpcgen/rpc_parse.h
@@ -0,0 +1,165 @@
+/*      @(#)rpc_parse.h  1.3  90/08/29
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * rpc_parse.h, Definitions for the RPCL parser
+ */
+
+enum defkind {
+	DEF_CONST,
+	DEF_STRUCT,
+	DEF_UNION,
+	DEF_ENUM,
+	DEF_TYPEDEF,
+	DEF_PROGRAM
+};
+typedef enum defkind defkind;
+
+typedef const char *const_def;
+
+enum relation {
+	REL_VECTOR,	/* fixed length array */
+	REL_ARRAY,	/* variable length array */
+	REL_POINTER,	/* pointer */
+	REL_ALIAS	/* simple */
+};
+typedef enum relation relation;
+
+struct typedef_def {
+	const char *old_prefix;
+	const char *old_type;
+	relation rel;
+	const char *array_max;
+};
+typedef struct typedef_def typedef_def;
+
+struct enumval_list {
+	const char *name;
+	const char *assignment;
+	struct enumval_list *next;
+};
+typedef struct enumval_list enumval_list;
+
+struct enum_def {
+	enumval_list *vals;
+};
+typedef struct enum_def enum_def;
+
+struct declaration {
+	const char *prefix;
+	const char *type;
+	const char *name;
+	relation rel;
+	const char *array_max;
+};
+typedef struct declaration declaration;
+
+struct decl_list {
+	declaration decl;
+	struct decl_list *next;
+};
+typedef struct decl_list decl_list;
+
+struct struct_def {
+	decl_list *decls;
+};
+typedef struct struct_def struct_def;
+
+struct case_list {
+	const char *case_name;
+	int contflag;
+	declaration case_decl;
+	struct case_list *next;
+};
+typedef struct case_list case_list;
+
+struct union_def {
+	declaration enum_decl;
+	case_list *cases;
+	declaration *default_decl;
+};
+typedef struct union_def union_def;
+
+struct arg_list {
+	const char *argname; /* name of struct for arg*/
+	decl_list *decls;
+};
+
+typedef struct arg_list arg_list;
+
+struct proc_list {
+	const char *proc_name;
+	const char *proc_num;
+	arg_list args;
+	int arg_num;
+	const char *res_type;
+	const char *res_prefix;
+	struct proc_list *next;
+};
+typedef struct proc_list proc_list;
+
+struct version_list {
+	const char *vers_name;
+	const char *vers_num;
+	proc_list *procs;
+	struct version_list *next;
+};
+typedef struct version_list version_list;
+
+struct program_def {
+	const char *prog_num;
+	version_list *versions;
+};
+typedef struct program_def program_def;
+
+struct definition {
+	const char *def_name;
+	defkind def_kind;
+	union {
+		const_def co;
+		struct_def st;
+		union_def un;
+		enum_def en;
+		typedef_def ty;
+		program_def pr;
+	} def;
+};
+typedef struct definition definition;
+
+definition *get_definition(void);
+
+
+struct bas_type
+{
+  const char *name;
+  int length;
+  struct bas_type *next;
+};
+
+typedef struct bas_type bas_type;
diff --git a/tools/rpcgen/rpc_sample.c b/tools/rpcgen/rpc_sample.c
new file mode 100644
index 0000000..e90b58c
--- /dev/null
+++ b/tools/rpcgen/rpc_sample.c
@@ -0,0 +1,336 @@
+/*
+ * From: @(#)rpc_sample.c  1.1  90/08/30
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+
+static const char RQSTP[] = "rqstp";
+
+static void write_sample_client (const char *program_name, version_list * vp);
+static void write_sample_server (definition * def);
+static void return_type (proc_list * plist);
+
+
+void
+write_sample_svc (definition * def)
+{
+
+  if (def->def_kind != DEF_PROGRAM)
+    return;
+  write_sample_server (def);
+}
+
+
+int
+write_sample_clnt (definition * def)
+{
+  version_list *vp;
+  int count = 0;
+
+  if (def->def_kind != DEF_PROGRAM)
+    return 0;
+  /* generate sample code for each version */
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      write_sample_client (def->def_name, vp);
+      ++count;
+    }
+  return count;
+}
+
+
+static void
+write_sample_client (const char *program_name, version_list * vp)
+{
+  proc_list *proc;
+  int i;
+  decl_list *l;
+
+  f_print (fout, "\n\nvoid\n");
+  pvname (program_name, vp->vers_num);
+  if (Cflag)
+    f_print (fout, "(char *host)\n{\n");
+  else
+    f_print (fout, "(host)\nchar *host;\n{\n");
+  f_print (fout, "\tCLIENT *clnt;\n");
+
+  i = 0;
+  for (proc = vp->procs; proc != NULL; proc = proc->next)
+    {
+      f_print (fout, "\t");
+      ++i;
+      if (mtflag)
+	{
+	  f_print (fout, "enum clnt_stat retval_%d;\n\t", i);
+	  ptype (proc->res_prefix, proc->res_type, 1);
+	  if (!streq (proc->res_type, "void"))
+	    f_print (fout, "result_%d;\n", i);
+	  else
+	    fprintf (fout, "*result_%d;\n", i);
+	}
+      else
+	{
+	  ptype (proc->res_prefix, proc->res_type, 1);
+	  f_print (fout, " *result_%d;\n", i);
+	}
+      /* print out declarations for arguments */
+      if (proc->arg_num < 2 && !newstyle)
+	{
+	  f_print (fout, "\t");
+	  if (!streq (proc->args.decls->decl.type, "void"))
+	    {
+	      ptype (proc->args.decls->decl.prefix,
+		     proc->args.decls->decl.type, 1);
+	      f_print (fout, " ");
+	    }
+	  else
+	    f_print (fout, "char *");	/* cannot have "void" type */
+	  pvname (proc->proc_name, vp->vers_num);
+	  f_print (fout, "_arg;\n");
+	}
+      else if (!streq (proc->args.decls->decl.type, "void"))
+	{
+	  for (l = proc->args.decls; l != NULL; l = l->next)
+	    {
+	      f_print (fout, "\t");
+	      ptype (l->decl.prefix, l->decl.type, 1);
+	      if (strcmp (l->decl.type, "string") == 1)
+		f_print (fout, " ");
+	      pvname (proc->proc_name, vp->vers_num);
+	      f_print (fout, "_%s;\n", l->decl.name);
+	    }
+	}
+    }
+
+  /* generate creation of client handle */
+  f_print(fout, "\n#ifndef\tDEBUG\n");
+  f_print (fout, "\tclnt = clnt_create (host, %s, %s, \"%s\");\n",
+	   program_name, vp->vers_name, tirpcflag ? "netpath" : "udp");
+  f_print (fout, "\tif (clnt == NULL) {\n");
+  f_print (fout, "\t\tclnt_pcreateerror (host);\n");
+  f_print (fout, "\t\texit (1);\n\t}\n");
+  f_print(fout, "#endif\t/* DEBUG */\n\n");
+
+  /* generate calls to procedures */
+  i = 0;
+  for (proc = vp->procs; proc != NULL; proc = proc->next)
+    {
+      if (mtflag)
+	f_print(fout, "\tretval_%d = ",++i);
+      else
+	f_print (fout, "\tresult_%d = ", ++i);
+      pvname (proc->proc_name, vp->vers_num);
+      if (proc->arg_num < 2 && !newstyle)
+	{
+	  f_print (fout, "(");
+	  if (streq (proc->args.decls->decl.type, "void"))/* cast to void* */
+	    f_print (fout, "(void*)");
+	  f_print (fout, "&");
+	  pvname (proc->proc_name, vp->vers_num);
+	  if (mtflag)
+	    f_print(fout, "_arg, &result_%d, clnt);\n", i);
+	  else
+	    f_print (fout, "_arg, clnt);\n");
+	}
+      else if (streq (proc->args.decls->decl.type, "void"))
+	{
+	  if (mtflag)
+	    f_print (fout, "(&result_%d, clnt);\n", i);
+	  else
+	    f_print (fout, "(clnt);\n");
+	}
+      else
+	{
+	  f_print (fout, "(");
+	  for (l = proc->args.decls; l != NULL; l = l->next)
+	    {
+	      pvname (proc->proc_name, vp->vers_num);
+	      f_print (fout, "_%s, ", l->decl.name);
+	    }
+	  if (mtflag)
+	    f_print(fout, "&result_%d, ", i);
+	  f_print (fout, "clnt);\n");
+	}
+      if (mtflag)
+	{
+	  f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i);
+	}
+      else
+	{
+	  f_print(fout, "\tif (result_%d == (", i);
+	  ptype(proc->res_prefix, proc->res_type, 1);
+	  f_print(fout, "*) NULL) {\n");
+	}
+      f_print(fout, "\t\tclnt_perror (clnt, \"call failed\");\n");
+      f_print(fout, "\t}\n");
+    }
+
+  f_print (fout, "#ifndef\tDEBUG\n");
+  f_print (fout, "\tclnt_destroy (clnt);\n");
+  f_print (fout, "#endif\t /* DEBUG */\n");
+  f_print (fout, "}\n");
+}
+
+static void
+write_sample_server (definition * def)
+{
+  version_list *vp;
+  proc_list *proc;
+
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      for (proc = vp->procs; proc != NULL; proc = proc->next)
+	{
+	  f_print (fout, "\n");
+	  if (!mtflag)
+	    {
+	      return_type (proc);
+	      f_print (fout, "*\n");
+	    }
+	  else
+	    f_print (fout, "bool_t\n");
+	  if (Cflag || mtflag)
+	    pvname_svc (proc->proc_name, vp->vers_num);
+	  else
+	    pvname(proc->proc_name, vp->vers_num);
+	  printarglist(proc, "result", RQSTP, "struct svc_req *");
+	  f_print(fout, "{\n");
+	  if (!mtflag)
+	    {
+	      f_print(fout, "\tstatic ");
+	      if(!streq(proc->res_type, "void"))
+		return_type(proc);
+	      else
+		f_print(fout, "char *");
+				/* cannot have void type */
+	      /* f_print(fout, " result;\n", proc->res_type); */
+	      f_print(fout, " result;\n");
+	    }
+	  else
+	    f_print(fout, "\tbool_t retval;\n");
+	  fprintf (fout, "\n\t/*\n\t * insert server code here\n\t */\n\n");
+
+	  if (!mtflag)
+	    {
+	      if (!streq(proc->res_type, "void"))
+		f_print(fout, "\treturn &result;\n}\n");
+	      else /* cast back to void * */
+		f_print(fout, "\treturn (void *) &result;\n}\n");
+	    }
+	  else
+	    f_print(fout, "\treturn retval;\n}\n");
+	}
+
+      /* put in sample freeing routine */
+      if (mtflag)
+	{
+	  f_print(fout, "\nint\n");
+	  pvname(def->def_name, vp->vers_num);
+	  if (Cflag)
+	    f_print(fout,"_freeresult (SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n");
+	  else
+	    {
+	      f_print(fout,"_freeresult (transp, xdr_result, result)\n");
+	      f_print(fout,"\tSVCXPRT *transp;\n");
+	      f_print(fout,"\txdrproc_t xdr_result;\n");
+	      f_print(fout,"\tcaddr_t result;\n");
+	    }
+	  f_print(fout, "{\n");
+	  f_print(fout, "\txdr_free (xdr_result, result);\n");
+	  f_print(fout,
+		  "\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n");
+	  f_print(fout, "\n\treturn 1;\n}\n");
+	}
+    }
+}
+
+
+
+static void
+return_type (proc_list * plist)
+{
+  ptype (plist->res_prefix, plist->res_type, 1);
+}
+
+void
+add_sample_msg (void)
+{
+  f_print (fout, "/*\n");
+  f_print (fout, " * This is sample code generated by rpcgen.\n");
+  f_print (fout, " * These are only templates and you can use them\n");
+  f_print (fout, " * as a guideline for developing your own functions.\n");
+  f_print (fout, " */\n\n");
+}
+
+void
+write_sample_clnt_main (void)
+{
+  list *l;
+  definition *def;
+  version_list *vp;
+
+  f_print (fout, "\n\n");
+  if (Cflag)
+    f_print (fout, "int\nmain (int argc, char *argv[])\n{\n");
+  else
+    f_print (fout, "int\nmain (argc, argv)\nint argc;\nchar *argv[];\n{\n");
+
+  f_print (fout, "\tchar *host;");
+  f_print (fout, "\n\n\tif (argc < 2) {");
+  f_print (fout, "\n\t\tprintf (\"usage: %%s server_host\\n\", argv[0]);\n");
+  f_print (fout, "\t\texit (1);\n\t}");
+  f_print (fout, "\n\thost = argv[1];\n");
+
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = l->val;
+      if (def->def_kind != DEF_PROGRAM)
+	{
+	  continue;
+	}
+      for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+	{
+	  f_print (fout, "\t");
+	  pvname (def->def_name, vp->vers_num);
+	  f_print (fout, " (host);\n");
+	}
+    }
+  f_print (fout, "exit (0);\n}\n");
+}
diff --git a/tools/rpcgen/rpc_scan.c b/tools/rpcgen/rpc_scan.c
new file mode 100644
index 0000000..7de6112
--- /dev/null
+++ b/tools/rpcgen/rpc_scan.c
@@ -0,0 +1,548 @@
+/*
+ * From: @(#)rpc_scan.c 1.11 89/02/22
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_scan.c, Scanner for the RPC protocol compiler
+ * Copyright (C) 1987, Sun Microsystems, Inc.
+ */
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include "rpc_scan.h"
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+#include "nls.h"
+
+#ifndef _
+#define _(String) gettext (String)
+#endif
+
+#define startcomment(where) (where[0] == '/' && where[1] == '*')
+#define endcomment(where) (where[-1] == '*' && where[0] == '/')
+
+static int pushed = 0;		/* is a token pushed */
+static token lasttok;		/* last token, if pushed */
+
+static void unget_token (token * tokp);
+static void findstrconst (const char **str, const char **val);
+static void findchrconst (const char **str, const char **val);
+static void findconst (const char **str, const char **val);
+static void findkind (const char **mark, token * tokp);
+static int cppline (const char *line);
+static int directive (const char *line);
+static void printdirective (const char *line);
+static void docppline (const char *line, int *lineno, const char **fname);
+
+/*
+ * scan expecting 1 given token
+ */
+void
+scan (tok_kind expect, token * tokp)
+{
+  get_token (tokp);
+  if (tokp->kind != expect)
+    expected1 (expect);
+}
+
+/*
+ * scan expecting any of the 2 given tokens
+ */
+void
+scan2 (tok_kind expect1, tok_kind expect2, token * tokp)
+{
+  get_token (tokp);
+  if (tokp->kind != expect1 && tokp->kind != expect2)
+    {
+      expected2 (expect1, expect2);
+    }
+}
+
+/*
+ * scan expecting any of the 3 given token
+ */
+void
+scan3 (tok_kind expect1, tok_kind expect2, tok_kind expect3, token * tokp)
+{
+  get_token (tokp);
+  if (tokp->kind != expect1 && tokp->kind != expect2
+      && tokp->kind != expect3)
+    {
+      expected3 (expect1, expect2, expect3);
+    }
+}
+
+/*
+ * scan expecting a constant, possibly symbolic
+ */
+void
+scan_num (token *tokp)
+{
+  get_token (tokp);
+  switch (tokp->kind)
+    {
+    case TOK_IDENT:
+      break;
+    default:
+      error (_("constant or identifier expected"));
+    }
+}
+
+/*
+ * Peek at the next token
+ */
+void
+peek (token *tokp)
+{
+  get_token (tokp);
+  unget_token (tokp);
+}
+
+/*
+ * Peek at the next token and scan it if it matches what you expect
+ */
+int
+peekscan (tok_kind expect, token *tokp)
+{
+  peek (tokp);
+  if (tokp->kind == expect)
+    {
+      get_token (tokp);
+      return 1;
+    }
+  return 0;
+}
+
+/*
+ * Get the next token, printing out any directive that are encountered.
+ */
+void
+get_token (token *tokp)
+{
+  int commenting;
+
+  if (pushed)
+    {
+      pushed = 0;
+      *tokp = lasttok;
+      return;
+    }
+  commenting = 0;
+  for (;;)
+    {
+      if (*where == 0)
+	{
+	  for (;;)
+	    {
+	      if (!fgets (curline, MAXLINESIZE, fin))
+		{
+		  tokp->kind = TOK_EOF;
+		  *curline = 0;
+		  where = curline;
+		  return;
+		}
+	      linenum++;
+	      if (commenting)
+		{
+		  break;
+		}
+	      else if (cppline (curline))
+		{
+		  docppline (curline, &linenum,
+			     &infilename);
+		}
+	      else if (directive (curline))
+		{
+		  printdirective (curline);
+		}
+	      else
+		{
+		  break;
+		}
+	    }
+	  where = curline;
+	}
+      else if (isspace (*where))
+	{
+	  while (isspace (*where))
+	    {
+	      where++;		/* eat */
+	    }
+	}
+      else if (commenting)
+	{
+	  for (where++; *where; where++)
+	    {
+	      if (endcomment (where))
+		{
+		  where++;
+		  commenting--;
+		  break;
+		}
+	    }
+	}
+      else if (startcomment (where))
+	{
+	  where += 2;
+	  commenting++;
+	}
+      else
+	{
+	  break;
+	}
+    }
+
+  /*
+   * 'where' is not whitespace, comment or directive Must be a token!
+   */
+  switch (*where)
+    {
+    case ':':
+      tokp->kind = TOK_COLON;
+      where++;
+      break;
+    case ';':
+      tokp->kind = TOK_SEMICOLON;
+      where++;
+      break;
+    case ',':
+      tokp->kind = TOK_COMMA;
+      where++;
+      break;
+    case '=':
+      tokp->kind = TOK_EQUAL;
+      where++;
+      break;
+    case '*':
+      tokp->kind = TOK_STAR;
+      where++;
+      break;
+    case '[':
+      tokp->kind = TOK_LBRACKET;
+      where++;
+      break;
+    case ']':
+      tokp->kind = TOK_RBRACKET;
+      where++;
+      break;
+    case '{':
+      tokp->kind = TOK_LBRACE;
+      where++;
+      break;
+    case '}':
+      tokp->kind = TOK_RBRACE;
+      where++;
+      break;
+    case '(':
+      tokp->kind = TOK_LPAREN;
+      where++;
+      break;
+    case ')':
+      tokp->kind = TOK_RPAREN;
+      where++;
+      break;
+    case '<':
+      tokp->kind = TOK_LANGLE;
+      where++;
+      break;
+    case '>':
+      tokp->kind = TOK_RANGLE;
+      where++;
+      break;
+
+    case '"':
+      tokp->kind = TOK_STRCONST;
+      findstrconst (&where, &tokp->str);
+      break;
+    case '\'':
+      tokp->kind = TOK_CHARCONST;
+      findchrconst (&where, &tokp->str);
+      break;
+
+    case '-':
+    case '0':
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+      tokp->kind = TOK_IDENT;
+      findconst (&where, &tokp->str);
+      break;
+
+    default:
+      if (!(isalpha (*where) || *where == '_'))
+	{
+	  char buf[100];
+	  char *p;
+
+	  s_print (buf, _("illegal character in file: "));
+	  p = buf + strlen (buf);
+	  if (isprint (*where))
+	    {
+	      s_print (p, "%c", *where);
+	    }
+	  else
+	    {
+	      s_print (p, "%d", *where);
+	    }
+	  error (buf);
+	}
+      findkind (&where, tokp);
+      break;
+    }
+}
+
+static void
+unget_token (token * tokp)
+{
+  lasttok = *tokp;
+  pushed = 1;
+}
+
+static void
+findstrconst (const char **str, const char **val)
+{
+  const char *p;
+  char *tmp;
+  int size;
+
+  p = *str;
+  do
+    {
+      p++;
+    }
+  while (*p && *p != '"');
+  if (*p == 0)
+    {
+      error (_("unterminated string constant"));
+    }
+  p++;
+  size = p - *str;
+  tmp = alloc (size + 1);
+  strncpy (tmp, *str, size);
+  tmp[size] = 0;
+  *val = tmp;
+  *str = p;
+}
+
+static void
+findchrconst (const char **str, const char **val)
+{
+  const char *p;
+  char *tmp;
+  int size;
+
+  p = *str;
+  do
+    {
+      p++;
+    }
+  while (*p && *p != '\'');
+  if (*p == 0)
+    {
+      error (_("unterminated string constant"));
+    }
+  p++;
+  size = p - *str;
+  if (size != 3)
+    {
+      error (_("empty char string"));
+    }
+  tmp = alloc (size + 1);
+  strncpy (tmp, *str, size);
+  tmp[size] = 0;
+  *val = tmp;
+  *str = p;
+}
+
+static void
+findconst (const char **str, const char **val)
+{
+  const char *p;
+  char *tmp;
+  int size;
+
+  p = *str;
+  if (*p == '0' && *(p + 1) == 'x')
+    {
+      p++;
+      do
+	{
+	  p++;
+	}
+      while (isxdigit (*p));
+    }
+  else
+    {
+      do
+	{
+	  p++;
+	}
+      while (isdigit (*p));
+    }
+  size = p - *str;
+  tmp = alloc (size + 1);
+  strncpy (tmp, *str, size);
+  tmp[size] = 0;
+  *val = tmp;
+  *str = p;
+}
+
+static const token symbols[] =
+{
+  {TOK_CONST, "const"},
+  {TOK_UNION, "union"},
+  {TOK_SWITCH, "switch"},
+  {TOK_CASE, "case"},
+  {TOK_DEFAULT, "default"},
+  {TOK_STRUCT, "struct"},
+  {TOK_TYPEDEF, "typedef"},
+  {TOK_ENUM, "enum"},
+  {TOK_OPAQUE, "opaque"},
+  {TOK_BOOL, "bool"},
+  {TOK_VOID, "void"},
+  {TOK_CHAR, "char"},
+  {TOK_INT, "int"},
+  {TOK_UNSIGNED, "unsigned"},
+  {TOK_SHORT, "short"},
+  {TOK_LONG, "long"},
+  {TOK_HYPER, "hyper"},
+  {TOK_FLOAT, "float"},
+  {TOK_DOUBLE, "double"},
+  {TOK_STRING, "string"},
+  {TOK_PROGRAM, "program"},
+  {TOK_VERSION, "version"},
+  {TOK_EOF, "??????"},
+};
+
+static void
+findkind (const char **mark, token *tokp)
+{
+  int len;
+  const token *s;
+  const char *str;
+  char *tmp;
+
+  str = *mark;
+  for (s = symbols; s->kind != TOK_EOF; s++)
+    {
+      len = strlen (s->str);
+      if (strncmp (str, s->str, len) == 0)
+	{
+	  if (!isalnum (str[len]) && str[len] != '_')
+	    {
+	      tokp->kind = s->kind;
+	      tokp->str = s->str;
+	      *mark = str + len;
+	      return;
+	    }
+	}
+    }
+  tokp->kind = TOK_IDENT;
+  for (len = 0; isalnum (str[len]) || str[len] == '_'; len++);
+  tmp = alloc (len + 1);
+  strncpy (tmp, str, len);
+  tmp[len] = 0;
+  tokp->str = tmp;
+  *mark = str + len;
+}
+
+static int
+cppline (const char *line)
+{
+  return line == curline && *line == '#';
+}
+
+static int
+directive (const char *line)
+{
+  return line == curline && *line == '%';
+}
+
+static void
+printdirective (const char *line)
+{
+  f_print (fout, "%s", line + 1);
+}
+
+static void
+docppline (const char *line, int *lineno, const char **fname)
+{
+  char *file;
+  int num;
+  char *p;
+
+  line++;
+  while (isspace (*line))
+    {
+      line++;
+    }
+  num = atoi (line);
+  while (isdigit (*line))
+    {
+      line++;
+    }
+  while (isspace (*line))
+    {
+      line++;
+    }
+  if (*line != '"')
+    {
+      error (_("preprocessor error"));
+    }
+  line++;
+  p = file = alloc (strlen (line) + 1);
+  while (*line && *line != '"')
+    {
+      *p++ = *line++;
+    }
+  if (*line == 0)
+    {
+      error (_("preprocessor error"));
+    }
+  *p = 0;
+  if (*file == 0)
+    {
+      free (file);
+      *fname = NULL;
+    }
+  else
+    {
+      *fname = file;
+    }
+  *lineno = num - 1;
+}
diff --git a/tools/rpcgen/rpc_scan.h b/tools/rpcgen/rpc_scan.h
new file mode 100644
index 0000000..9786a51
--- /dev/null
+++ b/tools/rpcgen/rpc_scan.h
@@ -0,0 +1,104 @@
+/*      @(#)rpc_scan.h  1.3  90/08/29  */
+
+/*
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * rpc_scan.h, Definitions for the RPCL scanner
+ */
+
+/*
+ * kinds of tokens
+ */
+enum tok_kind {
+	TOK_IDENT,
+	TOK_CHARCONST,
+	TOK_STRCONST,
+	TOK_LPAREN,
+	TOK_RPAREN,
+	TOK_LBRACE,
+	TOK_RBRACE,
+	TOK_LBRACKET,
+	TOK_RBRACKET,
+	TOK_LANGLE,
+	TOK_RANGLE,
+	TOK_STAR,
+	TOK_COMMA,
+	TOK_EQUAL,
+	TOK_COLON,
+	TOK_SEMICOLON,
+	TOK_CONST,
+	TOK_STRUCT,
+	TOK_UNION,
+	TOK_SWITCH,
+	TOK_CASE,
+	TOK_DEFAULT,
+	TOK_ENUM,
+	TOK_TYPEDEF,
+	TOK_INT,
+	TOK_SHORT,
+	TOK_LONG,
+	TOK_HYPER,
+	TOK_UNSIGNED,
+	TOK_FLOAT,
+	TOK_DOUBLE,
+	TOK_OPAQUE,
+	TOK_CHAR,
+	TOK_STRING,
+	TOK_BOOL,
+	TOK_VOID,
+	TOK_PROGRAM,
+	TOK_VERSION,
+	TOK_EOF
+};
+typedef enum tok_kind tok_kind;
+
+/*
+ * a token
+ */
+struct token {
+	tok_kind kind;
+	const char *str;
+};
+typedef struct token token;
+
+
+/*
+ * routine interface
+ */
+void scan(tok_kind expect, token *tokp);
+void scan2(tok_kind expect1, tok_kind expect2, token *tokp);
+void scan3(tok_kind expect1, tok_kind expect2, tok_kind expect3, token *tokp);
+void scan_num(token *tokp);
+void peek(token *tokp);
+int peekscan(tok_kind expect, token *tokp);
+void get_token(token *tokp);
+void expected1(tok_kind exp1) __attribute__ ((noreturn));
+void expected2(tok_kind exp1, tok_kind exp2)  __attribute__ ((noreturn));
+void expected3(tok_kind exp1, tok_kind exp2, tok_kind exp3)
+     __attribute__ ((noreturn));
diff --git a/tools/rpcgen/rpc_svcout.c b/tools/rpcgen/rpc_svcout.c
new file mode 100644
index 0000000..4f12a81
--- /dev/null
+++ b/tools/rpcgen/rpc_svcout.c
@@ -0,0 +1,1093 @@
+/*
+ * From: @(#)rpc_svcout.c 1.29 89/03/30
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
+ */
+#include <stdio.h>
+#include <string.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+static const char RQSTP[] = "rqstp";
+static const char TRANSP[] = "transp";
+static const char ARG[] = "argument";
+static const char RESULT[] = "result";
+static const char ROUTINE[] = "local";
+static char RETVAL[] = "retval";
+
+char _errbuf[256];		/* For all messages */
+
+static void internal_proctype (const proc_list * plist);
+static void p_xdrfunc (const char *rname, const char *typename);
+static void write_real_program (const definition * def);
+static void write_program (const definition * def, const char *storage);
+static void printerr (const char *err, const char *transp);
+static void printif (const char *proc, const char *transp, const char *arg);
+static void write_inetmost (const char *infile);
+static void print_return (const char *space);
+static void print_pmapunset (const char *space);
+static void print_err_message (const char *space);
+static void write_timeout_func (void);
+static void write_pm_most (const char *infile, int netflag);
+static void write_rpc_svc_fg (const char *infile, const char *sp);
+static void open_log_file (const char *infile, const char *sp);
+
+static void
+p_xdrfunc (const char *rname, const char *typename)
+{
+  if (Cflag)
+    f_print (fout, "\t\t_xdr_%s = (xdrproc_t) xdr_%s;\n", rname,
+	     stringfix (typename));
+  else
+    f_print (fout, "\t\t_xdr_%s = xdr_%s;\n", rname, stringfix (typename));
+}
+
+void
+internal_proctype (const proc_list * plist)
+{
+  f_print (fout, "static ");
+  ptype (plist->res_prefix, plist->res_type, 1);
+  f_print (fout, "*");
+}
+
+
+/*
+ * write most of the service, that is, everything but the registrations.
+ */
+void
+write_most (const char *infile /* our name */ , int netflag, int nomain)
+{
+  if (inetdflag || pmflag)
+    {
+      const char *var_type;
+      /* WHY? */
+      var_type = (nomain ? "extern" : "");
+      f_print (fout, "%s int _rpcpmstart;", var_type);
+      f_print (fout, "\t\t/* Started by a port monitor ? */\n");
+      if (!tirpcflag)
+	{
+	  f_print (fout, "%s int _rpcfdtype;", var_type);
+	  f_print (fout, "\t\t/* Whether Stream or Datagram ? */\n");
+	}
+      if (timerflag)
+	{
+#if 0
+	  f_print (fout, "%s int _rpcsvcdirty;", var_type);
+	  f_print (fout, "\t/* Still serving ? */\n");
+#else
+	  f_print(fout, " /* States a server can be in wrt request */\n\n");
+	  f_print(fout, "#define\t_IDLE 0\n");
+	  f_print(fout, "#define\t_SERVED 1\n");
+	  f_print(fout, "#define\t_SERVING 2\n\n");
+	  f_print(fout, "static int _rpcsvcstate = _IDLE;");
+	  f_print(fout, "\t /* Set when a request is serviced */\n");
+
+	  if (mtflag)
+	    {
+	      f_print (fout, "mutex_t _svcstate_lock;");
+	      f_print (fout,
+		       "\t\t\t/* Mutex lock for variable_rpcsvcstate */\n");
+	    }
+#endif
+	}
+      write_svc_aux (nomain);
+    }
+  /* write out dispatcher and stubs */
+  write_programs (nomain ? NULL : "static");
+
+  if (nomain)
+    return;
+
+  if (Cflag)
+    f_print (fout, "\nint\nmain (int argc, char **argv)\n");
+  else
+    {
+      f_print (fout, "\nint\nmain (argc, argv)\n");
+      f_print (fout, "\tint argc;\n");
+      f_print (fout, "\tchar **argv;\n");
+    }
+  f_print (fout, "{\n");
+  if (inetdflag)
+    {
+      write_inetmost (infile);	/* Includes call to write_rpc_svc_fg() */
+    }
+  else
+    {
+      if (tirpcflag)
+	{
+	  if (netflag)
+	    {
+	      f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP);
+	      f_print (fout, "\tstruct netconfig *nconf = NULL;\n");
+	    }
+	  f_print (fout, "\tpid_t pid;\n");
+	  f_print (fout, "\tint i;\n");
+	  f_print (fout, "\tchar mname[FMNAMESZ + 1];\n\n");
+
+	  if (mtflag & timerflag)
+	    f_print (fout,
+		     "\tmutex_init (&_svcstate_lock, USYNC_THREAD, NULL);\n");
+
+ 	  write_pm_most (infile, netflag);
+	  f_print (fout, "\telse {\n");
+	  write_rpc_svc_fg (infile, "\t\t");
+	  f_print (fout, "\t}\n");
+	}
+      else
+	{
+	  f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP);
+	  f_print (fout, "\n");
+	  print_pmapunset ("\t");
+	}
+    }
+
+  if (logflag && !inetdflag)
+    {
+      open_log_file (infile, "\t");
+    }
+}
+
+/*
+ * write a registration for the given transport
+ */
+void
+write_netid_register (const char *transp)
+{
+  list *l;
+  definition *def;
+  version_list *vp;
+  const char *sp;
+  char tmpbuf[32];
+
+  sp = "";
+  f_print (fout, "\n");
+  f_print (fout, "%s\tnconf = getnetconfigent (\"%s\");\n", sp, transp);
+  f_print (fout, "%s\tif (nconf == NULL) {\n", sp);
+  (void) sprintf (_errbuf, "cannot find %s netid.", transp);
+  sprintf (tmpbuf, "%s\t\t", sp);
+  print_err_message (tmpbuf);
+  f_print (fout, "%s\t\texit (1);\n", sp);
+  f_print (fout, "%s\t}\n", sp);
+  f_print (fout, "%s\t%s = svc_tli_create (RPC_ANYFD, nconf, 0, 0, 0);\n",
+	   sp, TRANSP /*, transp *//* ?!?... */ );
+  f_print (fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
+  sprintf (_errbuf, "cannot create %s service.", transp);
+  print_err_message (tmpbuf);
+  f_print (fout, "%s\t\texit (1);\n", sp);
+  f_print (fout, "%s\t}\n", sp);
+
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind != DEF_PROGRAM)
+	{
+	  continue;
+	}
+      for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+	{
+	  f_print (fout, "%s\t(void) rpcb_unset (%s, %s, nconf);\n",
+		   sp, def->def_name, vp->vers_name);
+	  f_print (fout, "%s\tif (!svc_reg (%s, %s, %s, ",
+		   sp, TRANSP, def->def_name, vp->vers_name);
+	  pvname (def->def_name, vp->vers_num);
+	  f_print (fout, ", nconf)) {\n");
+	  (void) sprintf (_errbuf, "unable to register (%s, %s, %s).",
+			  def->def_name, vp->vers_name, transp);
+	  print_err_message (tmpbuf);
+	  f_print (fout, "%s\t\texit (1);\n", sp);
+	  f_print (fout, "%s\t}\n", sp);
+	}
+    }
+  f_print (fout, "%s\tfreenetconfigent (nconf);\n", sp);
+}
+
+/*
+ * write a registration for the given transport for TLI
+ */
+void
+write_nettype_register (const char *transp)
+{
+  list *l;
+  definition *def;
+  version_list *vp;
+
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind != DEF_PROGRAM)
+	{
+	  continue;
+	}
+      for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+	{
+	  f_print (fout, "\tif (!svc_create (");
+	  pvname (def->def_name, vp->vers_num);
+	  f_print (fout, ", %s, %s, \"%s\")) {\n ",
+		   def->def_name, vp->vers_name, transp);
+	  (void) sprintf (_errbuf,
+			  "unable to create (%s, %s) for %s.",
+			  def->def_name, vp->vers_name, transp);
+	  print_err_message ("\t\t");
+	  f_print (fout, "\t\texit (1);\n");
+	  f_print (fout, "\t}\n");
+	}
+    }
+}
+
+/*
+ * write the rest of the service
+ */
+void
+write_rest (void)
+{
+  f_print (fout, "\n");
+  if (inetdflag)
+    {
+      f_print (fout, "\tif (%s == (SVCXPRT *)NULL) {\n", TRANSP);
+      (void) sprintf (_errbuf, "could not create a handle");
+      print_err_message ("\t\t");
+      f_print (fout, "\t\texit (1);\n");
+      f_print (fout, "\t}\n");
+      if (timerflag)
+	{
+	  f_print (fout, "\tif (_rpcpmstart) {\n");
+	  f_print (fout,
+		   "\t\t(void) signal (SIGALRM, %s closedown);\n",
+		   Cflag ? "(SIG_PF)" : "(void(*)())");
+	  f_print (fout, "\t\t(void) alarm (_RPCSVC_CLOSEDOWN);\n");
+	  f_print (fout, "\t}\n");
+	}
+    }
+  f_print (fout, "\tsvc_run ();\n");
+  (void) sprintf (_errbuf, "svc_run returned");
+  print_err_message ("\t");
+  f_print (fout, "\texit (1);\n");
+  f_print (fout, "\t/* NOTREACHED */\n");
+  f_print (fout, "}\n");
+}
+
+void
+write_programs (const char *storage)
+{
+  list *l;
+  definition *def;
+
+  /* write out stubs for procedure  definitions */
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind == DEF_PROGRAM)
+	{
+	  write_real_program (def);
+	}
+    }
+
+  /* write out dispatcher for each program */
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind == DEF_PROGRAM)
+	{
+	  write_program (def, storage);
+	}
+    }
+}
+
+/* write out definition of internal function (e.g. _printmsg_1(...))
+   which calls server's defintion of actual function (e.g. printmsg_1(...)).
+   Unpacks single user argument of printmsg_1 to call-by-value format
+   expected by printmsg_1. */
+static void
+write_real_program (const definition * def)
+{
+  version_list *vp;
+  proc_list *proc;
+  decl_list *l;
+
+  if (!newstyle)
+    return;			/* not needed for old style */
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      for (proc = vp->procs; proc != NULL; proc = proc->next)
+	{
+	  fprintf (fout, "\n");
+	  if (!mtflag)
+	    internal_proctype (proc);
+	  else
+	    f_print (fout, "int");
+	  f_print (fout, "\n_");
+	  pvname (proc->proc_name, vp->vers_num);
+	  if (Cflag)
+	    {
+	      f_print (fout, " (");
+	      /* arg name */
+	      if (proc->arg_num > 1)
+		f_print (fout, "%s", proc->args.argname);
+	      else
+		ptype (proc->args.decls->decl.prefix,
+		       proc->args.decls->decl.type, 0);
+	      if (mtflag)
+		{
+		  f_print(fout, " *argp, void *%s, struct svc_req *%s)\n",
+			  RESULT, RQSTP);
+		}
+	      else
+		f_print (fout, " *argp, struct svc_req *%s)\n",
+			 RQSTP);
+	    }
+	  else
+	    {
+	      if (mtflag)
+		f_print(fout, " (argp, %s, %s)\n", RESULT, RQSTP);
+	      else
+		f_print (fout, " (argp, %s)\n", RQSTP);
+	      /* arg name */
+	      if (proc->arg_num > 1)
+		f_print (fout, "\t%s *argp;\n", proc->args.argname);
+	      else
+		{
+		  f_print (fout, "\t");
+		  ptype (proc->args.decls->decl.prefix,
+			 proc->args.decls->decl.type, 0);
+		  f_print (fout, " *argp;\n");
+		}
+	      f_print (fout, "	struct svc_req *%s;\n", RQSTP);
+	    }
+
+	  f_print (fout, "{\n");
+	  f_print (fout, "\treturn (");
+	  if (Cflag || mtflag)
+	    pvname_svc (proc->proc_name, vp->vers_num);
+	  else
+	    pvname (proc->proc_name, vp->vers_num);
+	  f_print (fout, "(");
+	  if (proc->arg_num < 2)
+	    {			/* single argument */
+	      if (!streq (proc->args.decls->decl.type, "void"))
+		f_print (fout, "*argp, ");	/* non-void */
+	    }
+	  else
+	    {
+	      for (l = proc->args.decls; l != NULL; l = l->next)
+		f_print (fout, "argp->%s, ", l->decl.name);
+	    }
+	  if (mtflag)
+	    f_print (fout, "%s, ", RESULT);
+	  f_print (fout, "%s));\n}\n", RQSTP);
+	}
+    }
+}
+
+static void
+write_program (const definition * def, const char *storage)
+{
+  version_list *vp;
+  proc_list *proc;
+  int filled;
+
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      f_print (fout, "\n");
+      if (storage != NULL)
+	{
+	  f_print (fout, "%s ", storage);
+	}
+      f_print (fout, "void\n");
+      pvname (def->def_name, vp->vers_num);
+
+      if (Cflag)
+	{
+	  f_print (fout, "(struct svc_req *%s, ", RQSTP);
+	  f_print (fout, "register SVCXPRT *%s)\n", TRANSP);
+	}
+      else
+	{
+	  f_print (fout, "(%s, %s)\n", RQSTP, TRANSP);
+	  f_print (fout, "	struct svc_req *%s;\n", RQSTP);
+	  f_print (fout, "	register SVCXPRT *%s;\n", TRANSP);
+	}
+
+      f_print (fout, "{\n");
+
+      filled = 0;
+      f_print (fout, "\tunion {\n");
+      for (proc = vp->procs; proc != NULL; proc = proc->next)
+	{
+	  if (proc->arg_num < 2)
+	    {			/* single argument */
+	      if (streq (proc->args.decls->decl.type,
+			 "void"))
+		{
+		  continue;
+		}
+	      filled = 1;
+	      f_print (fout, "\t\t");
+	      ptype (proc->args.decls->decl.prefix,
+		     proc->args.decls->decl.type, 0);
+	      pvname (proc->proc_name, vp->vers_num);
+	      f_print (fout, "_arg;\n");
+
+	    }
+	  else
+	    {
+	      filled = 1;
+	      f_print (fout, "\t\t%s", proc->args.argname);
+	      f_print (fout, " ");
+	      pvname (proc->proc_name, vp->vers_num);
+	      f_print (fout, "_arg;\n");
+	    }
+	}
+      if (!filled)
+	{
+	  f_print (fout, "\t\tint fill;\n");
+	}
+      f_print (fout, "\t} %s;\n", ARG);
+      if (mtflag)
+	{
+	  f_print(fout, "\tunion {\n");
+	  for (proc = vp->procs; proc != NULL; proc = proc->next)
+	    if (!streq (proc->res_type, "void"))
+	      {
+		f_print(fout, "\t\t");
+		ptype(proc->res_prefix, proc->res_type, 0);
+		pvname(proc->proc_name, vp->vers_num);
+		f_print(fout, "_res;\n");
+	      }
+	  f_print(fout, "\t} %s;\n", RESULT);
+	  f_print(fout, "\tbool_t %s;\n", RETVAL);
+
+	} else
+	  f_print (fout, "\tchar *%s;\n", RESULT);
+
+      if (Cflag)
+	{
+	  f_print (fout, "\txdrproc_t _xdr_%s, _xdr_%s;\n", ARG, RESULT);
+	  if (mtflag)
+	    f_print(fout,
+		    "\tbool_t (*%s)(char *, void *, struct svc_req *);\n",
+		    ROUTINE);
+	  else
+	    f_print (fout, "\tchar *(*%s)(char *, struct svc_req *);\n",
+		     ROUTINE);
+	}
+      else
+	{
+	  f_print (fout, "\tbool_t (*_xdr_%s)(), (*_xdr_%s)();\n", ARG, RESULT);
+	  if (mtflag)
+	    f_print(fout, "\tbool_t (*%s)();\n", ROUTINE);
+	  else
+	    f_print (fout, "\tchar *(*%s)();\n", ROUTINE);
+	}
+      f_print (fout, "\n");
+
+      if (timerflag)
+#if 0
+	f_print (fout, "\t_rpcsvcdirty = 1;\n");
+#else
+      {
+	if (mtflag)
+	  f_print(fout, "\tmutex_lock(&_svcstate_lock);\n");
+	f_print(fout, "\t_rpcsvcstate = _SERVING;\n");
+	if (mtflag)
+	  f_print(fout, "\tmutex_unlock(&_svcstate_lock);\n");
+      }
+#endif
+
+      f_print (fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
+      if (!nullproc (vp->procs))
+	{
+	  f_print (fout, "\tcase NULLPROC:\n");
+	  f_print (fout,
+		   "\t\t(void) svc_sendreply (%s, (xdrproc_t) xdr_void, (char *)NULL);\n",
+		   TRANSP);
+	  print_return ("\t\t");
+	  f_print (fout, "\n");
+	}
+      for (proc = vp->procs; proc != NULL; proc = proc->next)
+	{
+	  f_print (fout, "\tcase %s:\n", proc->proc_name);
+	  if (proc->arg_num < 2)
+	    {			/* single argument */
+	      p_xdrfunc (ARG, proc->args.decls->decl.type);
+	    }
+	  else
+	    {
+	      p_xdrfunc (ARG, proc->args.argname);
+	    }
+	  p_xdrfunc (RESULT, proc->res_type);
+	  if (Cflag)
+	    {
+	      if (mtflag)
+		f_print(fout,
+			"\t\t%s = (bool_t (*) (char *, void *,  struct svc_req *))",
+			ROUTINE);
+	      else
+		f_print (fout,
+			 "\t\t%s = (char *(*)(char *, struct svc_req *)) ",
+			 ROUTINE);
+	    }
+	  else
+	    if (mtflag)
+	      f_print(fout, "\t\t%s = (bool_t (*)()) ", ROUTINE);
+	    else
+	      f_print (fout, "\t\t%s = (char *(*)()) ", ROUTINE);
+
+	  if (newstyle)
+	    {			/* new style: calls internal routine */
+	      f_print (fout, "_");
+	    }
+	  if ((Cflag || mtflag) && !newstyle)
+	    pvname_svc (proc->proc_name, vp->vers_num);
+	  else
+	    pvname (proc->proc_name, vp->vers_num);
+	  f_print (fout, ";\n");
+	  f_print (fout, "\t\tbreak;\n\n");
+	}
+      f_print (fout, "\tdefault:\n");
+      printerr ("noproc", TRANSP);
+      print_return ("\t\t");
+      f_print (fout, "\t}\n");
+
+      f_print (fout, "\tmemset ((char *)&%s, 0, sizeof (%s));\n", ARG, ARG);
+      printif ("getargs", TRANSP, ARG);
+      printerr ("decode", TRANSP);
+      print_return ("\t\t");
+      f_print (fout, "\t}\n");
+
+      if (!mtflag)
+	{
+	  if (Cflag)
+	    f_print (fout, "\t%s = (*%s)((char *)&%s, %s);\n",
+		     RESULT, ROUTINE, ARG, RQSTP);
+	  else
+	    f_print (fout, "\t%s = (*%s)(&%s, %s);\n",
+		     RESULT, ROUTINE, ARG, RQSTP);
+	}
+      else
+	if (Cflag)
+	  f_print(fout, "\t%s = (bool_t) (*%s)((char *)&%s, (void *)&%s, %s);\n",
+		  RETVAL, ROUTINE, ARG, RESULT, RQSTP);
+	else
+	  f_print(fout, "\t%s = (bool_t) (*%s)(&%s, &%s, %s);\n",
+		  RETVAL, ROUTINE, ARG, RESULT, RQSTP);
+      if (mtflag)
+	f_print(fout,
+		"\tif (%s > 0 && !svc_sendreply(%s, (xdrproc_t) _xdr_%s, (char *)&%s)) {\n",
+		RETVAL, TRANSP, RESULT, RESULT);
+      else
+	f_print(fout,
+		"\tif (%s != NULL && !svc_sendreply(%s, (xdrproc_t) _xdr_%s, %s)) {\n",
+		RESULT, TRANSP, RESULT, RESULT);
+
+      printerr ("systemerr", TRANSP);
+      f_print (fout, "\t}\n");
+
+      printif ("freeargs", TRANSP, ARG);
+
+      sprintf (_errbuf, "unable to free arguments");
+      print_err_message ("\t\t");
+      f_print (fout, "\t\texit (1);\n");
+      f_print (fout, "\t}\n");
+      /* print out free routine */
+      if (mtflag)
+	{
+	  f_print(fout,"\tif (!");
+	  pvname(def->def_name, vp->vers_num);
+	  f_print(fout,"_freeresult (%s, _xdr_%s, (caddr_t) &%s))\n",
+		  TRANSP, RESULT, RESULT);
+	  (void) sprintf(_errbuf, "unable to free results");
+	  print_err_message("\t\t");
+	  f_print(fout, "\n");
+	}
+      print_return ("\t");
+      f_print (fout, "}\n");
+    }
+}
+
+static void
+printerr (const char *err, const char *transp)
+{
+  f_print (fout, "\t\tsvcerr_%s (%s);\n", err, transp);
+}
+
+static void
+printif (const char *proc, const char *transp, const char *arg)
+{
+  f_print (fout, "\tif (!svc_%s (%s, (xdrproc_t) _xdr_%s, (caddr_t) &%s)) {\n",
+	   proc, transp, arg, arg);
+}
+
+int
+nullproc (const proc_list * proc)
+{
+  for (; proc != NULL; proc = proc->next)
+    {
+      if (streq (proc->proc_num, "0"))
+	{
+	  return 1;
+	}
+    }
+  return 0;
+}
+
+static void
+write_inetmost (const char *infile)
+{
+  f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP);
+  f_print (fout, "\tint sock;\n");
+  f_print (fout, "\tint proto;\n");
+  f_print (fout, "\tstruct sockaddr_in saddr;\n");
+  f_print (fout, "\tint asize = sizeof (saddr);\n");
+  f_print (fout, "\n");
+  f_print (fout,
+       "\tif (getsockname (0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
+  f_print (fout, "\t\tint ssize = sizeof (int);\n\n");
+  f_print (fout, "\t\tif (saddr.sin_family != AF_INET)\n");
+  f_print (fout, "\t\t\texit (1);\n");
+  f_print (fout, "\t\tif (getsockopt (0, SOL_SOCKET, SO_TYPE,\n");
+  f_print (fout, "\t\t\t\t(char *)&_rpcfdtype, &ssize) == -1)\n");
+  f_print (fout, "\t\t\texit (1);\n");
+  f_print (fout, "\t\tsock = 0;\n");
+  f_print (fout, "\t\t_rpcpmstart = 1;\n");
+  f_print (fout, "\t\tproto = 0;\n");
+  open_log_file (infile, "\t\t");
+  f_print (fout, "\t} else {\n");
+  write_rpc_svc_fg (infile, "\t\t");
+  f_print (fout, "\t\tsock = RPC_ANYSOCK;\n");
+  print_pmapunset ("\t\t");
+  f_print (fout, "\t}\n");
+}
+
+static void
+print_return (const char *space)
+{
+  if (exitnow)
+    f_print (fout, "%sexit (0);\n", space);
+  else
+    {
+      if (timerflag)
+	{
+#if 0
+	  f_print (fout, "%s_rpcsvcdirty = 0;\n", space);
+#else
+	  if (mtflag)
+	    f_print(fout, "%smutex_lock(&_svcstate_lock);\n", space);
+	  f_print(fout, "%s_rpcsvcstate = _SERVED;\n", space);
+	  if (mtflag)
+	    f_print(fout, "%smutex_unlock(&_svcstate_lock);\n", space);
+#endif
+	}
+      f_print (fout, "%sreturn;\n", space);
+    }
+}
+
+static void
+print_pmapunset (const char *space)
+{
+  list *l;
+  definition *def;
+  version_list *vp;
+
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind == DEF_PROGRAM)
+	{
+	  for (vp = def->def.pr.versions; vp != NULL;
+	       vp = vp->next)
+	    {
+	      f_print (fout, "%spmap_unset (%s, %s);\n",
+		       space, def->def_name, vp->vers_name);
+	    }
+	}
+    }
+}
+
+static void
+print_err_message (const char *space)
+{
+  if (logflag)
+    f_print (fout, "%ssyslog (LOG_ERR, \"%%s\", \"%s\");\n", space, _errbuf);
+  else if (inetdflag || pmflag)
+    f_print (fout, "%s_msgout (\"%s\");\n", space, _errbuf);
+  else
+    f_print (fout, "%sfprintf (stderr, \"%%s\", \"%s\");\n", space, _errbuf);
+}
+
+/*
+ * Write the server auxiliary function ( _msgout, timeout)
+ */
+void
+write_svc_aux (int nomain)
+{
+  if (!logflag)
+    write_msg_out ();
+  if (!nomain)
+    write_timeout_func ();
+}
+
+/*
+ * Write the _msgout function
+ */
+
+void
+write_msg_out (void)
+{
+  f_print (fout, "\n");
+  f_print (fout, "static\n");
+  if (!Cflag)
+    {
+      f_print (fout, "void _msgout (msg)\n");
+      f_print (fout, "\tchar *msg;\n");
+    }
+  else
+    {
+      f_print (fout, "void _msgout (char* msg)\n");
+    }
+  f_print (fout, "{\n");
+  f_print (fout, "#ifdef RPC_SVC_FG\n");
+  if (inetdflag || pmflag)
+    f_print (fout, "\tif (_rpcpmstart)\n");
+  f_print (fout, "\t\tsyslog (LOG_ERR, \"%%s\", msg);\n");
+  f_print (fout, "\telse\n");
+  f_print (fout, "\t\tfprintf (stderr, \"%%s\\n\", msg);\n");
+  f_print (fout, "#else\n");
+  f_print (fout, "\tsyslog (LOG_ERR, \"%%s\", msg);\n");
+  f_print (fout, "#endif\n");
+  f_print (fout, "}\n");
+}
+
+/*
+ * Write the timeout function
+ */
+static void
+write_timeout_func (void)
+{
+  if (!timerflag)
+    return;
+  f_print (fout, "\n");
+  f_print (fout, "static void\n");
+  if (Cflag)
+    f_print (fout, "closedown (int sig)\n");
+  else
+    f_print (fout, "closedown (sig)\n\tint sig;\n");
+  f_print (fout, "{\n");
+
+#if 0
+  f_print (fout, "\t(void) signal (sig, %s closedown);\n",
+	   Cflag ? "(SIG_PF)" : "(void(*)())");
+#endif
+  if (mtflag)
+    f_print(fout, "\tmutex_lock(&_svcstate_lock);\n");
+#if 0
+  f_print (fout, "\tif (_rpcsvcdirty == 0) {\n");
+#else
+  f_print(fout, "\tif (_rpcsvcstate == _IDLE) {\n");
+#endif
+  f_print (fout, "\t\textern fd_set svc_fdset;\n");
+  f_print (fout, "\t\tstatic int size;\n");
+  f_print (fout, "\t\tint i, openfd;\n");
+  if (tirpcflag && pmflag)
+    {
+      f_print (fout, "\t\tstruct t_info tinfo;\n\n");
+      f_print (fout, "\t\tif (!t_getinfo(0, &tinfo) && (tinfo.servtype == T_CLTS))\n");
+    }
+  else
+    {
+      f_print (fout, "\n\t\tif (_rpcfdtype == SOCK_DGRAM)\n");
+    }
+  f_print (fout, "\t\t\texit (0);\n");
+  f_print (fout, "\t\tif (size == 0) {\n");
+  if (tirpcflag)
+    {
+      f_print (fout, "\t\t\tstruct rlimit rl;\n\n");
+      f_print (fout, "\t\t\trl.rlim_max = 0;\n");
+      f_print (fout, "\t\t\tgetrlimit(RLIMIT_NOFILE, &rl);\n");
+      f_print (fout, "\t\t\tif ((size = rl.rlim_max) == 0) {\n");
+      if (mtflag)
+	f_print(fout, "\t\t\t\tmutex_unlock(&_svcstate_lock);\n");
+       f_print (fout, "\t\t\t\treturn;\n\t\t\t}\n");
+    }
+  else
+    {
+      f_print (fout, "\t\t\tsize = getdtablesize();\n");
+    }
+  f_print (fout, "\t\t}\n");
+  f_print (fout, "\t\tfor (i = 0, openfd = 0; i < size && openfd < 2; i++)\n");
+  f_print (fout, "\t\t\tif (FD_ISSET(i, &svc_fdset))\n");
+  f_print (fout, "\t\t\t\topenfd++;\n");
+  f_print (fout, "\t\tif (openfd <= 1)\n");
+  f_print (fout, "\t\t\texit (0);\n");
+  f_print (fout, "\t}\n");
+  f_print(fout, "\tif (_rpcsvcstate == _SERVED)\n");
+  f_print(fout, "\t\t_rpcsvcstate = _IDLE;\n\n");
+  if (mtflag)
+    f_print(fout, "\tmutex_unlock(&_svcstate_lock);\n");
+  f_print(fout, "\t(void) signal(SIGALRM, %s closedown);\n",
+	  Cflag? "(SIG_PF)" : "(void(*)())");
+  f_print (fout, "\talarm (_RPCSVC_CLOSEDOWN);\n");
+  f_print (fout, "}\n");
+}
+
+/*
+ * Write the most of port monitor support
+ */
+static void
+write_pm_most (const char *infile, int netflag)
+{
+  list *l;
+  definition *def;
+  version_list *vp;
+
+  f_print (fout, "\tif (!ioctl(0, I_LOOK, mname) &&\n");
+  f_print (fout, "\t\t(!strcmp(mname, \"sockmod\") ||");
+  f_print (fout, " !strcmp(mname, \"timod\"))) {\n");
+  f_print (fout, "\t\tchar *netid;\n");
+  if (!netflag)
+    {				/* Not included by -n option */
+      f_print (fout, "\t\tstruct netconfig *nconf = NULL;\n");
+      f_print (fout, "\t\tSVCXPRT *%s;\n", TRANSP);
+    }
+  if (timerflag)
+    f_print (fout, "\t\tint pmclose;\n");
+/* not necessary, defined in /usr/include/stdlib */
+/*      f_print(fout, "\t\textern char *getenv();\n"); */
+  f_print (fout, "\n");
+  f_print (fout, "\t\t_rpcpmstart = 1;\n");
+  if (logflag)
+    open_log_file (infile, "\t\t");
+  f_print (fout, "\t\tif ((netid = getenv(\"NLSPROVIDER\")) == NULL) {\n");
+  sprintf (_errbuf, "cannot get transport name");
+  print_err_message ("\t\t\t");
+  f_print (fout, "\t\t} else if ((nconf = getnetconfigent(netid)) == NULL) {\n");
+  sprintf (_errbuf, "cannot get transport info");
+  print_err_message ("\t\t\t");
+  f_print (fout, "\t\t}\n");
+  /*
+   * A kludgy support for inetd services. Inetd only works with
+   * sockmod, and RPC works only with timod, hence all this jugglery
+   */
+  f_print (fout, "\t\tif (strcmp(mname, \"sockmod\") == 0) {\n");
+  f_print (fout, "\t\t\tif (ioctl(0, I_POP, 0) || ioctl(0, I_PUSH, \"timod\")) {\n");
+  sprintf (_errbuf, "could not get the right module");
+  print_err_message ("\t\t\t\t");
+  f_print (fout, "\t\t\t\texit(1);\n");
+  f_print (fout, "\t\t\t}\n");
+  f_print (fout, "\t\t}\n");
+  if (timerflag)
+    f_print (fout, "\t\tpmclose = (t_getstate(0) != T_DATAXFER);\n");
+  f_print (fout, "\t\tif ((%s = svc_tli_create(0, nconf, NULL, 0, 0)) == NULL) {\n",
+	   TRANSP);
+  sprintf (_errbuf, "cannot create server handle");
+  print_err_message ("\t\t\t");
+  f_print (fout, "\t\t\texit(1);\n");
+  f_print (fout, "\t\t}\n");
+  f_print (fout, "\t\tif (nconf)\n");
+  f_print (fout, "\t\t\tfreenetconfigent(nconf);\n");
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind != DEF_PROGRAM)
+	{
+	  continue;
+	}
+      for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+	{
+	  f_print (fout,
+		   "\t\tif (!svc_reg(%s, %s, %s, ",
+		   TRANSP, def->def_name, vp->vers_name);
+	  pvname (def->def_name, vp->vers_num);
+	  f_print (fout, ", 0)) {\n");
+	  (void) sprintf (_errbuf, "unable to register (%s, %s).",
+			  def->def_name, vp->vers_name);
+	  print_err_message ("\t\t\t");
+	  f_print (fout, "\t\t\texit(1);\n");
+	  f_print (fout, "\t\t}\n");
+	}
+    }
+  if (timerflag)
+    {
+      f_print (fout, "\t\tif (pmclose) {\n");
+      f_print (fout, "\t\t\t(void) signal(SIGALRM, %s closedown);\n",
+	       Cflag ? "(SIG_PF)" : "(void(*)())");
+      f_print (fout, "\t\t\t(void) alarm(_RPCSVC_CLOSEDOWN);\n");
+      f_print (fout, "\t\t}\n");
+    }
+  f_print (fout, "\t\tsvc_run();\n");
+  f_print (fout, "\t\texit(1);\n");
+  f_print (fout, "\t\t/* NOTREACHED */\n");
+  f_print (fout, "\t}\n");
+}
+
+/*
+ * Support for backgrounding the server if self started.
+ */
+static void
+write_rpc_svc_fg (const char *infile, const char *sp)
+{
+  f_print (fout, "#ifndef RPC_SVC_FG\n");
+  f_print (fout, "%sint size;\n", sp);
+  if (tirpcflag)
+    f_print (fout, "%sstruct rlimit rl;\n", sp);
+  if (inetdflag)
+    f_print (fout, "%sint pid, i;\n\n", sp);
+  f_print (fout, "%spid = fork();\n", sp);
+  f_print (fout, "%sif (pid < 0) {\n", sp);
+  f_print (fout, "%s\tperror(\"cannot fork\");\n", sp);
+  f_print (fout, "%s\texit(1);\n", sp);
+  f_print (fout, "%s}\n", sp);
+  f_print (fout, "%sif (pid)\n", sp);
+  f_print (fout, "%s\texit(0);\n", sp);
+  /* get number of file descriptors */
+  if (tirpcflag)
+    {
+      f_print (fout, "%srl.rlim_max = 0;\n", sp);
+      f_print (fout, "%sgetrlimit(RLIMIT_NOFILE, &rl);\n", sp);
+      f_print (fout, "%sif ((size = rl.rlim_max) == 0)\n", sp);
+      f_print (fout, "%s\texit(1);\n", sp);
+    }
+  else
+    {
+      f_print (fout, "%ssize = getdtablesize();\n", sp);
+    }
+
+  f_print (fout, "%sfor (i = 0; i < size; i++)\n", sp);
+  f_print (fout, "%s\t(void) close(i);\n", sp);
+  /* Redirect stderr and stdout to console */
+  f_print (fout, "%si = open(\"/dev/console\", 2);\n", sp);
+  f_print (fout, "%s(void) dup2(i, 1);\n", sp);
+  f_print (fout, "%s(void) dup2(i, 2);\n", sp);
+  /* This removes control of the controlling terminal */
+  if (tirpcflag)
+    f_print (fout, "%ssetsid();\n", sp);
+  else
+    {
+      f_print (fout, "%si = open(\"/dev/tty\", 2);\n", sp);
+      f_print (fout, "%sif (i >= 0) {\n", sp);
+      f_print (fout, "%s\t(void) ioctl(i, TIOCNOTTY, (char *)NULL);\n", sp);;
+      f_print (fout, "%s\t(void) close(i);\n", sp);
+      f_print (fout, "%s}\n", sp);
+    }
+  if (!logflag)
+    open_log_file (infile, sp);
+  f_print (fout, "#endif\n");
+  if (logflag)
+    open_log_file (infile, sp);
+}
+
+static void
+open_log_file (const char *infile, const char *sp)
+{
+  char *s;
+
+  s = strrchr (infile, '.');
+  if (s)
+    *s = '\0';
+  f_print (fout, "%sopenlog(\"%s\", LOG_PID, LOG_DAEMON);\n", sp, infile);
+  if (s)
+    *s = '.';
+}
+
+/*
+ * write a registration for the given transport for Inetd
+ */
+void
+write_inetd_register (const char *transp)
+{
+  list *l;
+  definition *def;
+  version_list *vp;
+  const char *sp;
+  int isudp;
+  char tmpbuf[32];
+
+  if (inetdflag)
+    sp = "\t";
+  else
+    sp = "";
+  if (streq (transp, "udp") || streq (transp, "udp6"))
+    isudp = 1;
+  else
+    isudp = 0;
+  f_print (fout, "\n");
+  if (inetdflag)
+    {
+      f_print (fout, "\tif ((_rpcfdtype == 0) || (_rpcfdtype == %s)) {\n",
+	       isudp ? "SOCK_DGRAM" : "SOCK_STREAM");
+    }
+  f_print (fout, "%s\t%s = svc%s_create(%s",
+	   sp, TRANSP, transp, inetdflag ? "sock" : "RPC_ANYSOCK");
+  if (!isudp)
+    f_print (fout, ", 0, 0");
+  f_print (fout, ");\n");
+  f_print (fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
+  (void) sprintf (_errbuf, "cannot create %s service.", transp);
+  (void) sprintf (tmpbuf, "%s\t\t", sp);
+  print_err_message (tmpbuf);
+  f_print (fout, "%s\t\texit(1);\n", sp);
+  f_print (fout, "%s\t}\n", sp);
+
+  if (inetdflag)
+    {
+      f_print (fout, "%s\tif (!_rpcpmstart)\n\t", sp);
+      f_print (fout, "%s\tproto = IPPROTO_%s;\n",
+	       sp, isudp ? "UDP" : "TCP");
+    }
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind != DEF_PROGRAM)
+	{
+	  continue;
+	}
+      for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+	{
+	  f_print (fout, "%s\tif (!svc_register(%s, %s, %s, ",
+		   sp, TRANSP, def->def_name, vp->vers_name);
+	  pvname (def->def_name, vp->vers_num);
+	  if (inetdflag)
+	    f_print (fout, ", proto)) {\n");
+	  else
+	    f_print (fout, ", IPPROTO_%s)) {\n",
+		     isudp ? "UDP" : "TCP");
+	  (void) sprintf (_errbuf, "unable to register (%s, %s, %s).",
+			  def->def_name, vp->vers_name, transp);
+	  print_err_message (tmpbuf);
+	  f_print (fout, "%s\t\texit(1);\n", sp);
+	  f_print (fout, "%s\t}\n", sp);
+	}
+    }
+  if (inetdflag)
+    f_print (fout, "\t}\n");
+}
diff --git a/tools/rpcgen/rpc_tblout.c b/tools/rpcgen/rpc_tblout.c
new file mode 100644
index 0000000..a7d2f43
--- /dev/null
+++ b/tools/rpcgen/rpc_tblout.c
@@ -0,0 +1,178 @@
+/*
+ * From: @(#)rpc_tblout.c 1.4 89/02/22
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
+ */
+#include <stdio.h>
+#include <string.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+#define TABSIZE		8
+#define TABCOUNT	5
+#define TABSTOP		(TABSIZE*TABCOUNT)
+
+static const char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
+
+static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
+static const char tbl_end[] = "};\n";
+
+static const char null_entry[] = "\n\t(char *(*)())0,\n\
+ \t(xdrproc_t) xdr_void,\t\t\t0,\n\
+ \t(xdrproc_t) xdr_void,\t\t\t0,\n";
+
+
+static const char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
+
+static void write_table (const definition * def);
+static void printit (const char *prefix, const char *type);
+
+void
+write_tables (void)
+{
+  list *l;
+  definition *def;
+
+  f_print (fout, "\n");
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = (definition *) l->val;
+      if (def->def_kind == DEF_PROGRAM)
+	{
+	  write_table (def);
+	}
+    }
+}
+
+static void
+write_table (const definition * def)
+{
+  version_list *vp;
+  proc_list *proc;
+  int current;
+  int expected;
+  char progvers[100];
+  int warning;
+
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      warning = 0;
+      s_print (progvers, "%s_%s",
+	       locase (def->def_name), vp->vers_num);
+      /* print the table header */
+      f_print (fout, tbl_hdr, progvers);
+
+      if (nullproc (vp->procs))
+	{
+	  expected = 0;
+	}
+      else
+	{
+	  expected = 1;
+	  f_print (fout, null_entry);
+	}
+      for (proc = vp->procs; proc != NULL; proc = proc->next)
+	{
+	  current = atoi (proc->proc_num);
+	  if (current != expected++)
+	    {
+	      f_print (fout,
+		       "\n/*\n * WARNING: table out of order\n */\n");
+	      if (warning == 0)
+		{
+		  f_print (stderr,
+			   "WARNING %s table is out of order\n",
+			   progvers);
+		  warning = 1;
+		  nonfatalerrors = 1;
+		}
+	      expected = current + 1;
+	    }
+	  f_print (fout, "\n\t(char *(*)())RPCGEN_ACTION(");
+
+	  /* routine to invoke */
+	  if (Cflag && !newstyle)
+	    pvname_svc (proc->proc_name, vp->vers_num);
+	  else
+	    {
+	      if (newstyle)
+		f_print (fout, "_");	/* calls internal func */
+	      pvname (proc->proc_name, vp->vers_num);
+	    }
+	  f_print (fout, "),\n");
+
+	  /* argument info */
+	  if (proc->arg_num > 1)
+	    printit ((char *) NULL, proc->args.argname);
+	  else
+	    /* do we have to do something special for newstyle */
+	    printit (proc->args.decls->decl.prefix,
+		     proc->args.decls->decl.type);
+	  /* result info */
+	  printit (proc->res_prefix, proc->res_type);
+	}
+
+      /* print the table trailer */
+      f_print (fout, tbl_end);
+      f_print (fout, tbl_nproc, progvers, progvers, progvers);
+    }
+}
+
+static void
+printit (const char *prefix, const char *type)
+{
+  int len;
+  int tabs;
+
+
+  len = fprintf (fout, "\txdr_%s,", stringfix (type));
+  /* account for leading tab expansion */
+  len += TABSIZE - 1;
+  /* round up to tabs required */
+  tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
+  f_print (fout, "%s", &tabstr[TABCOUNT - tabs]);
+
+  if (streq (type, "void"))
+    {
+      f_print (fout, "0");
+    }
+  else
+    {
+      f_print (fout, "sizeof ( ");
+      /* XXX: should "follow" be 1 ??? */
+      ptype (prefix, type, 0);
+      f_print (fout, ")");
+    }
+  f_print (fout, ",\n");
+}
diff --git a/tools/rpcgen/rpc_util.c b/tools/rpcgen/rpc_util.c
new file mode 100644
index 0000000..52aa697
--- /dev/null
+++ b/tools/rpcgen/rpc_util.c
@@ -0,0 +1,525 @@
+/*
+ * From: @(#)rpc_util.c 1.11 89/02/22
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_util.c, Utility routines for the RPC protocol compiler
+ */
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+#include "rpc_scan.h"
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+#define ARGEXT "argument"
+
+char curline[MAXLINESIZE];	/* current read line */
+const char *where = curline;	/* current point in line */
+int linenum = 0;		/* current line number */
+
+const char *infilename;		/* input filename */
+
+#define NFILES 7
+const char *outfiles[NFILES];	/* output file names */
+int nfiles;
+
+FILE *fout;			/* file pointer of current output */
+FILE *fin;			/* file pointer of current input */
+
+list *defined;			/* list of defined things */
+
+static int findit (const definition * def, const char *type);
+static const char *fixit (const char *type, const char *orig);
+static int typedefed (const definition * def, const char *type);
+static const char *toktostr (tok_kind kind);
+static void printbuf (void);
+static void printwhere (void);
+
+/*
+ * Reinitialize the world
+ */
+void
+reinitialize (void)
+{
+  memset (curline, 0, MAXLINESIZE);
+  where = curline;
+  linenum = 0;
+  defined = NULL;
+}
+
+/*
+ * string equality
+ */
+int
+streq (const char *a, const char *b)
+{
+  return strcmp (a, b) == 0;
+}
+
+/*
+ * find a value in a list
+ */
+definition *
+findval (list *lst, const char *val,
+	 int (*cmp) (const definition *, const char *))
+{
+
+  for (; lst != NULL; lst = lst->next)
+    {
+      if (cmp (lst->val, val))
+	{
+	  return lst->val;
+	}
+    }
+  return NULL;
+}
+
+/*
+ * store a value in a list
+ */
+void
+storeval (list **lstp, definition *val)
+{
+  list **l;
+  list *lst;
+
+
+  for (l = lstp; *l != NULL; l = (list **) & (*l)->next);
+  lst = ALLOC (list);
+  lst->val = val;
+  lst->next = NULL;
+  *l = lst;
+}
+
+static int
+findit (const definition * def, const char *type)
+{
+  return streq (def->def_name, type);
+}
+
+static const char *
+fixit (const char *type, const char *orig)
+{
+  definition *def;
+
+  def = findval (defined, type, findit);
+  if (def == NULL || def->def_kind != DEF_TYPEDEF)
+    {
+      return orig;
+    }
+  switch (def->def.ty.rel)
+    {
+    case REL_VECTOR:
+      if (streq (def->def.ty.old_type, "opaque"))
+	return ("char");
+      else
+	return (def->def.ty.old_type);
+    case REL_ALIAS:
+      return (fixit (def->def.ty.old_type, orig));
+    default:
+      return orig;
+    }
+}
+
+const char *
+fixtype (const char *type)
+{
+  return fixit (type, type);
+}
+
+const char *
+stringfix (const char *type)
+{
+  if (streq (type, "string"))
+    {
+      return "wrapstring";
+    }
+  else
+    {
+      return type;
+    }
+}
+
+void
+ptype (const char *prefix, const char *type, int follow)
+{
+  if (prefix != NULL)
+    {
+      if (streq (prefix, "enum"))
+	{
+	  f_print (fout, "enum ");
+	}
+      else
+	{
+	  f_print (fout, "struct ");
+	}
+    }
+  if (streq (type, "bool"))
+    {
+      f_print (fout, "bool_t ");
+    }
+  else if (streq (type, "string"))
+    {
+      f_print (fout, "char *");
+    }
+  else
+    {
+      f_print (fout, "%s ", follow ? fixtype (type) : type);
+    }
+}
+
+static int
+typedefed (const definition * def, const char *type)
+{
+  if (def->def_kind != DEF_TYPEDEF || def->def.ty.old_prefix != NULL)
+    {
+      return 0;
+    }
+  else
+    {
+      return streq (def->def_name, type);
+    }
+}
+
+int
+isvectordef (const char *type, relation rel)
+{
+  definition *def;
+
+  for (;;)
+    {
+      switch (rel)
+	{
+	case REL_VECTOR:
+	  return !streq (type, "string");
+	case REL_ARRAY:
+	  return 0;
+	case REL_POINTER:
+	  return 0;
+	case REL_ALIAS:
+	  def = findval (defined, type, typedefed);
+	  if (def == NULL)
+	    {
+	      return 0;
+	    }
+	  type = def->def.ty.old_type;
+	  rel = def->def.ty.rel;
+	}
+    }
+}
+
+char *
+locase (const char *str)
+{
+  char c;
+  static char buf[100];
+  char *p = buf;
+
+  while ((c = *str++) != 0)
+    {
+      *p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
+    }
+  *p = 0;
+  return buf;
+}
+
+void
+pvname_svc (const char *pname, const char *vnum)
+{
+  f_print (fout, "%s_%s_svc", locase (pname), vnum);
+}
+
+void
+pvname (const char *pname, const char *vnum)
+{
+  f_print (fout, "%s_%s", locase (pname), vnum);
+}
+
+/*
+ * print a useful (?) error message, and then die
+ */
+void
+error (const char *msg)
+{
+  printwhere ();
+  f_print (stderr, "%s, line %d: ", infilename, linenum);
+  f_print (stderr, "%s\n", msg);
+  crash ();
+}
+
+/*
+ * Something went wrong, unlink any files that we may have created and then
+ * die.
+ */
+void
+crash (void)
+{
+  int i;
+
+  for (i = 0; i < nfiles; i++)
+    {
+      unlink (outfiles[i]);
+    }
+  exit (1);
+}
+
+void
+record_open (const char *file)
+{
+  if (nfiles < NFILES)
+    {
+      outfiles[nfiles++] = file;
+    }
+  else
+    {
+      f_print (stderr, "too many files!\n");
+      crash ();
+    }
+}
+
+static char expectbuf[100];
+
+/*
+ * error, token encountered was not the expected one
+ */
+void
+expected1 (tok_kind exp1)
+{
+  s_print (expectbuf, "expected '%s'",
+	   toktostr (exp1));
+  error (expectbuf);
+}
+
+/*
+ * error, token encountered was not one of two expected ones
+ */
+void
+expected2 (tok_kind exp1, tok_kind exp2)
+{
+  s_print (expectbuf, "expected '%s' or '%s'",
+	   toktostr (exp1),
+	   toktostr (exp2));
+  error (expectbuf);
+}
+
+/*
+ * error, token encountered was not one of 3 expected ones
+ */
+void
+expected3 (tok_kind exp1, tok_kind exp2, tok_kind exp3)
+{
+  s_print (expectbuf, "expected '%s', '%s' or '%s'",
+	   toktostr (exp1),
+	   toktostr (exp2),
+	   toktostr (exp3));
+  error (expectbuf);
+}
+
+void
+tabify (FILE * f, int tab)
+{
+  while (tab--)
+    {
+      (void) fputc ('\t', f);
+    }
+}
+
+
+static const token tokstrings[] =
+{
+  {TOK_IDENT, "identifier"},
+  {TOK_CONST, "const"},
+  {TOK_RPAREN, ")"},
+  {TOK_LPAREN, "("},
+  {TOK_RBRACE, "}"},
+  {TOK_LBRACE, "{"},
+  {TOK_LBRACKET, "["},
+  {TOK_RBRACKET, "]"},
+  {TOK_STAR, "*"},
+  {TOK_COMMA, ","},
+  {TOK_EQUAL, "="},
+  {TOK_COLON, ":"},
+  {TOK_SEMICOLON, ";"},
+  {TOK_UNION, "union"},
+  {TOK_STRUCT, "struct"},
+  {TOK_SWITCH, "switch"},
+  {TOK_CASE, "case"},
+  {TOK_DEFAULT, "default"},
+  {TOK_ENUM, "enum"},
+  {TOK_TYPEDEF, "typedef"},
+  {TOK_INT, "int"},
+  {TOK_SHORT, "short"},
+  {TOK_LONG, "long"},
+  {TOK_UNSIGNED, "unsigned"},
+  {TOK_DOUBLE, "double"},
+  {TOK_FLOAT, "float"},
+  {TOK_CHAR, "char"},
+  {TOK_STRING, "string"},
+  {TOK_OPAQUE, "opaque"},
+  {TOK_BOOL, "bool"},
+  {TOK_VOID, "void"},
+  {TOK_PROGRAM, "program"},
+  {TOK_VERSION, "version"},
+  {TOK_EOF, "??????"}
+};
+
+static const char *
+toktostr (tok_kind kind)
+{
+  const token *sp;
+
+  for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++);
+  return sp->str;
+}
+
+static void
+printbuf (void)
+{
+  char c;
+  int i;
+  int cnt;
+
+#define TABSIZE 4
+
+  for (i = 0; (c = curline[i]) != 0; i++)
+    {
+      if (c == '\t')
+	{
+	  cnt = 8 - (i % TABSIZE);
+	  c = ' ';
+	}
+      else
+	{
+	  cnt = 1;
+	}
+      while (cnt--)
+	{
+	  (void) fputc (c, stderr);
+	}
+    }
+}
+
+static void
+printwhere (void)
+{
+  int i;
+  char c;
+  int cnt;
+
+  printbuf ();
+  for (i = 0; i < where - curline; i++)
+    {
+      c = curline[i];
+      if (c == '\t')
+	{
+	  cnt = 8 - (i % TABSIZE);
+	}
+      else
+	{
+	  cnt = 1;
+	}
+      while (cnt--)
+	{
+	  (void) fputc ('^', stderr);
+	}
+    }
+  (void) fputc ('\n', stderr);
+}
+
+char *
+make_argname (const char *pname, const char *vname)
+{
+  char *name;
+
+  name = malloc (strlen (pname) + strlen (vname) + strlen (ARGEXT) + 3);
+  if (!name)
+    {
+      fprintf (stderr, "failed in malloc");
+      exit (1);
+    }
+  sprintf (name, "%s_%s_%s", locase (pname), vname, ARGEXT);
+  return name;
+}
+
+bas_type *typ_list_h;
+bas_type *typ_list_t;
+
+void
+add_type (int len, const char *type)
+{
+  bas_type *ptr;
+
+
+  if ((ptr = malloc (sizeof (bas_type))) == NULL)
+    {
+      fprintf (stderr, "failed in malloc");
+      exit (1);
+    }
+
+  ptr->name = type;
+  ptr->length = len;
+  ptr->next = NULL;
+  if (typ_list_t == NULL)
+    {
+
+      typ_list_t = ptr;
+      typ_list_h = ptr;
+    }
+  else
+    {
+
+      typ_list_t->next = ptr;
+      typ_list_t = ptr;
+    }
+
+}
+
+
+bas_type *
+find_type (const char *type)
+{
+  bas_type *ptr;
+
+  ptr = typ_list_h;
+
+
+  while (ptr != NULL)
+    {
+      if (strcmp (ptr->name, type) == 0)
+	return ptr;
+      else
+	ptr = ptr->next;
+    };
+  return NULL;
+}
diff --git a/tools/rpcgen/rpc_util.h b/tools/rpcgen/rpc_util.h
new file mode 100644
index 0000000..53316d9
--- /dev/null
+++ b/tools/rpcgen/rpc_util.h
@@ -0,0 +1,154 @@
+/*      @(#)rpc_util.h  1.5  90/08/29  */
+
+/*
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * rpc_util.h, Useful definitions for the RPC protocol compiler
+ */
+
+#include <stdlib.h>
+
+#define alloc(size)		malloc((unsigned)(size))
+#define ALLOC(object)   (object *) malloc(sizeof(object))
+
+#define s_print	(void) sprintf
+#define f_print (void) fprintf
+
+struct list {
+	definition *val;
+	struct list *next;
+};
+typedef struct list list;
+
+struct xdrfunc {
+	char *name;
+	int pointerp;
+	struct xdrfunc *next;
+};
+typedef struct xdrfunc xdrfunc;
+
+#define PUT 1
+#define GET 2
+
+/*
+ * Global variables
+ */
+#define MAXLINESIZE 1024
+extern char curline[MAXLINESIZE];
+extern const char *where;
+extern int linenum;
+
+extern const char *infilename;
+extern FILE *fout;
+extern FILE *fin;
+
+extern list *defined;
+
+extern bas_type *typ_list_h;
+extern bas_type *typ_list_t;
+extern xdrfunc *xdrfunc_head, *xdrfunc_tail;
+
+/*
+ * All the option flags
+ */
+extern int inetdflag;
+extern int pmflag;
+extern int tblflag;
+extern int logflag;
+extern int newstyle;
+extern int Cflag;      /* C++ flag */
+extern int CCflag;     /* C++ flag */
+extern int tirpcflag;  /* flag for generating tirpc code */
+extern int inlineflag; /* if this is 0, then do not generate inline code */
+extern int mtflag;
+
+/*
+ * Other flags related with inetd jumpstart.
+ */
+extern int indefinitewait;
+extern int exitnow;
+extern int timerflag;
+
+extern int nonfatalerrors;
+
+/*
+ * rpc_util routines
+ */
+void storeval(list **lstp, definition *val);
+#define STOREVAL(list,item) storeval(list,item)
+
+definition *findval(list *lst, const char *val,
+		    int (*cmp)(const definition *, const char *));
+#define FINDVAL(list,item,finder) findval(list, item, finder)
+
+const char *fixtype(const char *type);
+const char *stringfix(const char *type);
+char *locase(const char *str);
+void pvname_svc(const char *pname, const char *vnum);
+void pvname(const char *pname, const char *vnum);
+void ptype(const char *prefix, const char *type, int follow);
+int isvectordef(const char *type, relation rel);
+int streq(const char *a, const char *b);
+void error(const char *msg);
+void tabify(FILE *f, int tab);
+void record_open(const char *file);
+bas_type *find_type(const char *type);
+
+
+/*
+ * rpc_cout routines
+ */
+void emit(definition *def);
+
+/*
+ * rpc_hout routines
+ */
+void print_datadef(definition *def);
+void print_funcdef(definition *def);
+
+/*
+ * rpc_svcout routines
+ */
+void write_most(const char *infile, int netflag, int nomain);
+void write_register(void);
+void write_rest(void);
+void write_programs(const char *storage);
+void write_svc_aux(int nomain);
+void write_inetd_register(const char *transp);
+void write_netid_register(const char *);
+void write_nettype_register(const char *);
+/*
+ * rpc_clntout routines
+ */
+void write_stubs(void);
+
+/*
+ * rpc_tblout routines
+ */
+void write_tables(void);
diff --git a/tools/rpcgen/rpcgen.1 b/tools/rpcgen/rpcgen.1
new file mode 100644
index 0000000..9db1b4a
--- /dev/null
+++ b/tools/rpcgen/rpcgen.1
@@ -0,0 +1,442 @@
+.\" @(#)rpcgen.new.1	1.1 90/11/09 TIRPC 1.0; from 40.10 of 10/10/89
+.\" Copyright (c) 1988,1990 Sun Microsystems, Inc. - All Rights Reserved.
+.nr X
+.if \nX=0 .ds x} rpcgen 1 "" "\&"
+.if \nX=1 .ds x} rpcgen 1 ""
+.if \nX=2 .ds x} rpcgen 1 "" "\&"
+.if \nX=3 .ds x} rpcgen "" "" "\&"
+.TH \*(x}
+.SH NAME
+\f4rpcgen\f1 \- an RPC protocol compiler
+.SH SYNOPSIS
+.ft 4
+.nf
+rpcgen \f2infile\f4
+.fi
+.ft 1
+.br
+.ft 4
+.nf
+rpcgen [\-D\f2name\f4[=\f2value\f4]] [\-T] [\-K \f2secs\fP] \f2infile\f4
+.fi
+.ft 1
+.br
+.ft 4
+.nf
+rpcgen \-c|\-h|\-l|\-m|\-M|\-t [\-o \f2outfile\f4 ] \f2infile\f4
+.fi
+.ft 1
+.br
+.ft 4
+.nf
+rpcgen [\-I] \-s \f2nettype\f4 [\-o \f2outfile\f4] \f2infile\f4
+.fi
+.ft 1
+.br
+.ft 4
+.nf
+rpcgen \-n \f2netid\f4 [\-o \f2outfile\f4] \f2infile\f4
+.ft 1
+.SH DESCRIPTION
+.P
+\f4rpcgen\f1
+is a tool that generates C code to implement an RPC protocol.
+The input to
+\f4rpcgen\f1
+is a language similar to C known as
+RPC Language (Remote Procedure Call Language).
+.P
+\f4rpcgen\f1
+is normally used as in the first synopsis where 
+it takes an input file and generates up to four output files.
+If the
+\f2infile\f1
+is named
+\f4proto.x\f1,
+then
+\f4rpcgen\f1
+will generate a header file in
+\f4proto.h\f1,
+XDR routines in
+\f4proto_xdr.c\f1,
+server-side stubs in
+\f4proto_svc.c\f1,
+and client-side stubs in
+\f4proto_clnt.c\f1.
+With the
+\f4\-T\f1
+option,
+it will also generate the RPC dispatch table in
+\f4proto_tbl.i\f1.
+With the
+\f4\-Sc\f1
+option,
+it will also generate  sample code which would illustrate how to use the
+remote procedures on the client side. This code would be created in 
+\f4proto_client.c\f1.
+With the
+\f4\-Ss\f1
+option,
+it will also generate a sample server code which would illustrate how to write
+the remote procedures. This code would be created in 
+\f4proto_server.c\f1.
+.P
+The server created can be started both by the port monitors
+(for example, \f4inetd\f1 or \f4listen\f1)
+or by itself.
+When it is started by a port monitor,
+it creates servers only for the transport for which 
+the file descriptor \f40\fP was passed.
+The name of the transport must be specified
+by setting up the environmental variable
+\f4PM_TRANSPORT\f1.
+When the server generated by
+\f4rpcgen\f1
+is executed,
+it creates server handles for all the transports
+specified in
+\f4NETPATH\f1
+environment variable,
+or if it is unset,
+it creates server handles for all the visible transports from
+\f4/etc/netconfig\f1
+file.
+Note:
+the transports are chosen at run time and not at compile time.
+.P
+When built for a port monitor (\f4rpcgen\f1 \f4\-I\f1), and that the server
+is self-started, it backgrounds itself by default.  A special define symbol
+\f4RPC_SVC_FG\f1 can be used to run the server process in foreground.
+.P
+The second synopsis provides special features which allow
+for the creation of more sophisticated RPC servers.
+These features include support for user provided
+\f4#defines\f1
+and RPC dispatch tables.
+The entries in the RPC dispatch table contain:
+.RS
+.PD 0
+.TP 3
+\(bu
+pointers to the service routine corresponding to that procedure,
+.TP
+\(bu
+a pointer to the input and output arguments
+.TP
+\(bu
+the size of these routines
+.PD
+.RE
+A server can use the dispatch table to check authorization 
+and then to execute the service routine; 
+a client library may use it to deal with the details of storage
+management and XDR data conversion.
+.P
+The other three synopses shown above are used when 
+one does not want to generate all the output files,
+but only a particular one.
+Some examples of their usage is described in the
+EXAMPLE
+section below.
+When 
+\f4rpcgen\f1
+is executed with the
+\f4\-s\f1
+option,
+it creates servers for that particular class of transports.
+When
+executed with the
+\f4\-n\f1
+option,
+it creates a server for the transport specified by
+\f2netid\f1.
+If
+\f2infile\f1
+is not specified,
+\f4rpcgen\f1
+accepts the standard input.
+.P
+The C preprocessor,
+\f4cc \-E\f1
+[see \f4cc\fP(1)],
+is run on the input file before it is actually interpreted by
+\f4rpcgen\f1.
+For each type of output file,
+\f4rpcgen\f1
+defines a special preprocessor symbol for use by the
+\f4rpcgen\f1
+programmer:
+.P
+.PD 0
+.TP 12
+\f4RPC_HDR\f1
+defined when compiling into header files
+.TP
+\f4RPC_XDR\f1
+defined when compiling into XDR routines
+.TP
+\f4RPC_SVC\f1
+defined when compiling into server-side stubs
+.TP
+\f4RPC_CLNT\f1
+defined when compiling into client-side stubs
+.TP
+\f4RPC_TBL\f1
+defined when compiling into RPC dispatch tables
+.PD
+.P
+Any line beginning with
+`\f4%\f1'
+is passed directly into the output file,
+uninterpreted by
+\f4rpcgen\f1.
+.P
+For every data type referred to in
+\f2infile\f1,
+\f4rpcgen\f1
+assumes that there exists a
+routine with the string
+\f4xdr_\f1
+prepended to the name of the data type.
+If this routine does not exist in the RPC/XDR
+library, it must be provided.
+Providing an undefined data type
+allows customization of XDR routines.
+.br
+.ne 10
+.P
+The following options are available:
+.TP
+\f4\-a\f1
+Generate all the files including sample code for client and server side.
+.TP
+\f4\-b\f1
+This generates code for the SunOS4.1 style of rpc. It is
+for backward compatibility.  This is the default.
+.TP
+\f4\-5\f1
+This generates code for the SysVr4 style of rpc. It is used by the
+Transport Independent RPC that is in Svr4 systems.
+By default rpcgen generates code for SunOS4.1 stype of rpc.
+.TP
+\f4\-c\f1
+Compile into XDR routines.
+.TP
+\f4\-C\f1
+Generate code in ANSI C. This option also generates code that could be
+compiled with the C++ compiler.  This is the default.
+.TP
+\f4\-k\f1
+Generate code in K&R C.  The default is ANSI C.
+.TP
+\f4\-D\f2name\f4[=\f2value\f4]\f1
+Define a symbol
+\f2name\f1.
+Equivalent to the
+\f4#define\f1
+directive in the source.
+If no
+\f2value\f1
+is given,
+\f2value\f1
+is defined as \f41\f1.
+This option may be specified more than once.
+.TP
+\f4\-h\f1
+Compile into
+\f4C\f1
+data-definitions (a header file).
+\f4\-T\f1
+option can be used in conjunction to produce a 
+header file which supports RPC dispatch tables.
+.TP
+\f4\-I\f1
+Generate a service that can be started from inetd.  The default is
+to generate a static service that handles transports selected with \f4\-s\f1.
+Using \f4\-I\f1 allows starting a service by either method.
+.TP
+\f4-K\f2 secs\f1
+By default, services created using \f4rpcgen\fP wait \f4120\fP seconds
+after servicing a request before exiting.
+That interval can be changed using the \f4-K\fP flag.
+To create a server that exits immediately upon servicing a request,
+\f4-K\ 0\fP can be used.
+To create a server that never exits, the appropriate argument is
+\f4-K\ -1\fP.
+.IP
+When monitoring for a server,
+some portmonitors, like
+\f4listen\fP(1M),
+.I always
+spawn a new process in response to a service request.
+If it is known that a server will be used with such a monitor, the
+server should exit immediately on completion.
+For such servers, \f4rpcgen\fP should be used with \f4-K\ -1\fP.
+.TP
+\f4\-l\f1
+Compile into client-side stubs.
+.TP
+\f4\-m\f1
+Compile into server-side stubs,
+but do not generate a \(lqmain\(rq routine.
+This option is useful for doing callback-routines 
+and for users who need to write their own 
+\(lqmain\(rq routine to do initialization.
+.TP
+\f4\-M\f1
+Generate multithread-safe stubs for passing arguments
+and results between rpcgen-generated code and user written code.
+This option is useful for users who want to use threads in their code.
+.TP
+\f4\-n \f2netid\f1
+Compile into server-side stubs for the transport
+specified by
+\f2netid\f1.
+There should be an entry for
+\f2netid\f1
+in the
+netconfig database.
+This option may be specified more than once,
+so as to compile a server that serves multiple transports.
+.TP
+\f4\-N\f1
+Use the newstyle of rpcgen. This allows procedures to have multiple arguments. 
+It also uses the style of parameter passing that closely resembles C. So, when 
+passing an argument to a remote procedure you do not have to pass a pointer to
+the argument but the argument itself. This behaviour is different from the oldstyle
+of rpcgen generated code. The newstyle is not the default case because of 
+backward compatibility.
+.TP
+\f4\-o \f2outfile\f1
+Specify the name of the output file.
+If none is specified,
+standard output is used
+(\f4\-c\f1,
+\f4\-h\f1,
+\f4\-l\f1,
+\f4\-m\f1,
+\f4\-n\f1,
+\f4\-s\f1,
+\f4\-Sc\f1,
+\f4\-Sm\f1,
+\f4\-Ss\f1,
+and
+\f4\-t\f1
+modes only).
+.TP
+\f4\-s \f2nettype\f1
+Compile into server-side stubs for all the 
+transports belonging to the class
+\f2nettype\f1.
+The supported classes are
+\f4netpath\f1,
+\f4visible\f1,
+\f4circuit_n\f1,
+\f4circuit_v\f1,
+\f4datagram_n\f1,
+\f4datagram_v\f1,
+\f4tcp\f1,
+and
+\f4udp\f1
+[see \f4rpc\fP(3N)
+for the meanings associated with these classes].
+This option may be specified more than once.
+Note:
+the transports are chosen at run time and not at compile time.
+.TP
+\f4\-Sc\f1
+Generate sample code to show the use of remote procedure and how to bind
+to the server before calling the client side stubs generated by rpcgen.
+.TP
+\f4\-Sm\f1
+Generate a sample Makefile which can be used for compiling the application.
+.TP
+\f4\-Ss\f1
+Generate skeleton code for the remote procedures on the server side. You would need
+to fill in the actual code for the remote procedures.
+.TP
+\f4\-t\f1
+Compile into RPC dispatch table.
+.TP
+\f4\-T\f1
+Generate the code to support RPC dispatch tables.
+.P
+The options 
+\f4\-c\f1,
+\f4\-h\f1,
+\f4\-l\f1,
+\f4\-m\f1,
+\f4\-s\f1
+and
+\f4\-t\f1
+are used exclusively to generate a particular type of file,
+while the options
+\f4\-D\f1
+and
+\f4\-T\f1
+are global and can be used with the other options.
+.br
+.ne 5
+.SH NOTES
+The RPC Language does not support nesting of structures.
+As a work-around,
+structures can be declared at the top-level,
+and their name used inside other structures in 
+order to achieve the same effect.
+.P
+Name clashes can occur when using program definitions,
+since the apparent scoping does not really apply.
+Most of these can be avoided by giving 
+unique names for programs,
+versions,
+procedures and types.
+.P
+The server code generated with
+\f4\-n\f1
+option refers to the transport indicated by
+\f2netid\f1
+and hence is very site specific.
+.SH EXAMPLE
+The following example:
+.IP
+.ft 4
+$ rpcgen \-T prot.x
+.ft 1
+.P
+generates the five files:
+\f4prot.h\f1,
+\f4prot_clnt.c\f1,
+\f4prot_svc.c\f1,
+\f4prot_xdr.c\f1
+and
+\f4prot_tbl.i\f1.
+.P
+The following example sends the C data-definitions (header file)
+to the standard output.
+.IP
+.ft 4
+$ rpcgen \-h prot.x
+.ft 1
+.P
+To send the test version of the
+\f4-DTEST\f1,
+server side stubs for 
+all the transport belonging to the class
+\f4datagram_n\f1
+to standard output, use:
+.IP
+.ft 4
+$ rpcgen \-s datagram_n \-DTEST prot.x
+.ft 1
+.P
+To create the server side stubs for the transport indicated
+by
+\f2netid\f1
+\f4tcp\f1,
+use:
+.IP
+.ft 4
+$ rpcgen \-n tcp \-o prot_svc.c prot.x
+.ft 1
+.SH "SEE ALSO"
+\f4cc\fP(1).
diff --git a/utils/Makefile.am b/utils/Makefile.am
new file mode 100644
index 0000000..ab58419
--- /dev/null
+++ b/utils/Makefile.am
@@ -0,0 +1,47 @@
+## Process this file with automake to produce Makefile.in
+
+OPTDIRS =
+
+if CONFIG_NFSV4
+OPTDIRS += idmapd
+OPTDIRS += nfsidmap
+endif
+
+if CONFIG_NFSV4SERVER
+OPTDIRS += exportd
+endif
+
+if CONFIG_NFSV41
+OPTDIRS += blkmapd
+endif
+
+if CONFIG_GSS
+OPTDIRS += gssd
+endif
+
+if CONFIG_MOUNT
+OPTDIRS += mount
+endif
+
+if CONFIG_NFSDCLD
+OPTDIRS += nfsdcld
+endif
+
+if CONFIG_NFSDCLTRACK
+OPTDIRS += nfsdcltrack
+endif
+
+if CONFIG_JUNCTION
+OPTDIRS += nfsref
+endif
+
+SUBDIRS = \
+	exportfs \
+	mountd \
+	nfsd \
+	nfsstat \
+	showmount \
+	statd \
+	$(OPTDIRS)
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/utils/Makefile.in b/utils/Makefile.in
new file mode 100644
index 0000000..527a6aa
--- /dev/null
+++ b/utils/Makefile.in
@@ -0,0 +1,733 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
+@SET_MAKE@
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+}
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/device-discovery.Po
+	-rm -f ./$(DEPDIR)/device-inq.Po
+	-rm -f ./$(DEPDIR)/device-process.Po
+	-rm -f ./$(DEPDIR)/dm-device.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man8
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/device-discovery.Po
+	-rm -f ./$(DEPDIR)/device-inq.Po
+	-rm -f ./$(DEPDIR)/device-process.Po
+	-rm -f ./$(DEPDIR)/dm-device.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+
+uninstall-man: uninstall-man8
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/blkmapd/blkmapd.man b/utils/blkmapd/blkmapd.man
new file mode 100644
index 0000000..4b3d3f0
--- /dev/null
+++ b/utils/blkmapd/blkmapd.man
@@ -0,0 +1,72 @@
+.\"
+.\" Copyright 2011, Jim Rees.
+.\"
+.\" You may distribute under the terms of the GNU General Public
+.\" License as specified in the file COPYING that comes with the
+.\" nfs-utils distribution.
+.\"
+.TH blkmapd 8 "11 August 2011"
+.SH NAME
+blkmapd \- pNFS block layout mapping daemon
+.SH SYNOPSIS
+.B "blkmapd [-h] [-d] [-f]"
+.SH DESCRIPTION
+The
+.B blkmapd
+daemon performs device discovery and mapping for the parallel NFS (pNFS) block layout
+client [RFC5663].
+.PP
+The pNFS block layout protocol builds a complex storage hierarchy from a set
+of
+.I simple volumes.
+These simple volumes are addressed by content, using a signature on the
+volume to uniquely name each one.
+The daemon locates a volume by examining each block device in the system for
+the given signature.
+.PP
+The topology typically consists of a hierarchy of volumes built by striping,
+slicing, and concatenating the simple volumes.
+The
+.B blkmapd
+daemon uses the device-mapper driver to construct logical devices that
+reflect the server topology, and passes these devices to the kernel for use
+by the pNFS block layout client.
+.SH OPTIONS
+.TP
+.B -h
+Display usage message.
+.TP
+.B -d
+Performs device discovery only then exits.
+.TP
+.B -f
+Runs
+.B blkmapd
+in the foreground and sends output to stderr (as opposed to syslogd)
+.SH CONFIGURATION FILE
+The
+.B blkmapd
+daemon recognizes the following value from the
+.B [general]
+section of the
+.I /etc/nfs.conf
+configuration file:
+.TP
+.B pipefs-directory
+Tells
+.B blkmapd
+where to look for the rpc_pipefs filesystem.  The default value is
+.IR /var/lib/nfs/rpc_pipefs .
+.SH SEE ALSO
+.BR nfs (5),
+.BR dmsetup (8),
+.BR nfs.conf (5)
+.sp
+RFC 5661 for the NFS version 4.1 specification.
+.br
+RFC 5663 for the pNFS block layout specification.
+.SH AUTHORS
+.br
+Haiying Tang <Tang_Haiying@emc.com>
+.br
+Jim Rees <rees@umich.edu>
diff --git a/utils/blkmapd/device-discovery.c b/utils/blkmapd/device-discovery.c
new file mode 100644
index 0000000..a565fdb
--- /dev/null
+++ b/utils/blkmapd/device-discovery.c
@@ -0,0 +1,580 @@
+/*
+ * device-discovery.c: main function, discovering device and processing
+ * pipe request from kernel.
+ *
+ * Copyright (c) 2010 EMC Corporation, Haiying Tang <Tang_Haiying@emc.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <sys/sysmacros.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/mount.h>
+#include <sys/select.h>
+#include <sys/inotify.h>
+#include <linux/kdev_t.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_ioctl.h>
+#include <scsi/sg.h>
+#include <signal.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <syslog.h>
+#include <dirent.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <errno.h>
+#include <libdevmapper.h>
+
+#include "device-discovery.h"
+#include "xcommon.h"
+#include "nfslib.h"
+#include "conffile.h"
+
+#define EVENT_SIZE (sizeof(struct inotify_event))
+#define EVENT_BUFSIZE (1024 * EVENT_SIZE)
+
+#define RPCPIPE_DIR	NFS_STATEDIR "/rpc_pipefs"
+#define PID_FILE	"/run/blkmapd.pid"
+
+#define CONF_SAVE(w, f) do {			\
+	char *p = f;				\
+	if (p != NULL)				\
+		(w) = p;			\
+} while (0)
+
+static char bl_pipe_file[PATH_MAX];
+static char nfspipe_dir[PATH_MAX];
+static char rpcpipe_dir[PATH_MAX];
+
+struct bl_disk *visible_disk_list;
+int    bl_watch_fd, bl_pipe_fd, nfs_pipedir_wfd, rpc_pipedir_wfd;
+int    pidfd = -1;
+
+
+static struct bl_disk_path *bl_get_path(const char *filepath,
+				 struct bl_disk_path *paths)
+{
+	struct bl_disk_path *tmp = paths;
+
+	while (tmp) {
+		if (!strcmp(tmp->full_path, filepath))
+			break;
+		tmp = tmp->next;
+	}
+	return tmp;
+}
+
+/*
+ * For multipath devices, devices state could be PASSIVE/ACTIVE/PSEUDO,
+ * where PSEUDO > ACTIVE > PASSIVE. Device with highest state is used to
+ * create pseudo device. So if state is higher, the device path needs to
+ * be updated.
+ * If device-mapper multipath support is a must, pseudo devices should
+ * exist for each multipath device. If not, active device path will be
+ * chosen for device creation.
+ */
+static int bl_update_path(enum bl_path_state_e state, struct bl_disk *disk)
+{
+	struct bl_disk_path *valid_path = disk->valid_path;
+
+	if (valid_path && valid_path->state >= state)
+		return 0;
+	return 1;
+}
+
+static void bl_release_disk(void)
+{
+	struct bl_disk *disk;
+	struct bl_disk_path *path = NULL;
+
+	while (visible_disk_list) {
+		disk = visible_disk_list;
+		path = disk->paths;
+		while (path) {
+			disk->paths = path->next;
+			free(path->full_path);
+			free(path);
+			path = disk->paths;
+		}
+		if (disk->serial)
+			free(disk->serial);
+		visible_disk_list = disk->next;
+		free(disk);
+	}
+}
+
+static void bl_add_disk(char *filepath)
+{
+	struct bl_disk *disk = NULL;
+	int fd = 0;
+	struct stat sb;
+	off_t size = 0;
+	struct bl_serial *serial = NULL;
+	enum bl_path_state_e ap_state;
+	struct bl_disk_path *diskpath = NULL, *path = NULL;
+	dev_t dev;
+
+	fd = open(filepath, O_RDONLY | O_LARGEFILE);
+	if (fd < 0)
+		return;
+
+	if (fstat(fd, &sb)) {
+		close(fd);
+		return;
+	}
+
+	if (!sb.st_size)
+		ioctl(fd, BLKGETSIZE, &size);
+	else
+		size = sb.st_size;
+
+	if (!size) {
+		close(fd);
+		return;
+	}
+
+	dev = sb.st_rdev;
+	serial = bldev_read_serial(fd, filepath);
+	if (!serial) {
+		BL_LOG_ERR("%s: no serial found for %s\n",
+				 __func__, filepath);
+		ap_state = BL_PATH_STATE_PASSIVE;
+	} else if (dm_is_dm_major(major(dev)))
+		ap_state = BL_PATH_STATE_PSEUDO;
+	else
+		ap_state = bldev_read_ap_state(fd);
+	close(fd);
+
+	for (disk = visible_disk_list; disk != NULL; disk = disk->next) {
+		/* Already scanned or a partition?
+		 * XXX: if released each time, maybe not need to compare
+		 */
+		if ((serial->len == disk->serial->len) &&
+		    !memcmp(serial->data, disk->serial->data, serial->len)) {
+			diskpath = bl_get_path(filepath, disk->paths);
+			break;
+		}
+	}
+
+	if (disk && diskpath) {
+		bl_free_scsi_string(serial);
+		return;
+	}
+
+	/* add path */
+	path = malloc(sizeof(struct bl_disk_path));
+	if (!path) {
+		BL_LOG_ERR("%s: Out of memory!\n", __func__);
+		goto out_err;
+	}
+	path->next = NULL;
+	path->state = ap_state;
+	path->full_path = strdup(filepath);
+	if (!path->full_path)
+		goto out_err;
+
+	if (!disk) {		/* add disk */
+		disk = malloc(sizeof(struct bl_disk));
+		if (!disk) {
+			BL_LOG_ERR("%s: Out of memory!\n", __func__);
+			goto out_err;
+		}
+		disk->next = visible_disk_list;
+		disk->dev = dev;
+		disk->size = size;
+		disk->serial = serial;
+		disk->valid_path = path;
+		disk->paths = path;
+		visible_disk_list = disk;
+	} else {
+		path->next = disk->paths;
+		disk->paths = path;
+		/* check whether we need to update disk info */
+		if (bl_update_path(path->state, disk)) {
+			disk->dev = dev;
+			disk->size = size;
+			disk->valid_path = path;
+		}
+		bl_free_scsi_string(serial);
+	}
+	return;
+
+ out_err:
+	if (path) {
+		if (path->full_path)
+			free(path->full_path);
+		free(path);
+	}
+	bl_free_scsi_string(serial);
+	return;
+}
+
+int bl_discover_devices(void)
+{
+	FILE *f;
+	int n;
+	char buf[PATH_MAX], devname[NAME_MAX], fulldevname[PATH_MAX];
+
+	/* release previous list */
+	bl_release_disk();
+
+	/* scan all block devices */
+	f = fopen("/proc/partitions", "r");
+	if (f == NULL)
+		return 0;
+
+	while (1) {
+		if (fgets(buf, sizeof buf, f) == NULL)
+			break;
+		n = sscanf(buf, "%*d %*d %*d %31s", devname);
+		if (n != 1)
+			continue;
+		snprintf(fulldevname, sizeof fulldevname, "/sys/block/%s",
+			 devname);
+		if (access(fulldevname, F_OK) < 0)
+			continue;
+		snprintf(fulldevname, sizeof fulldevname, "/dev/%s", devname);
+		bl_add_disk(fulldevname);
+	}
+
+	fclose(f);
+
+	return 0;
+}
+
+/* process kernel request
+ * return 0: request processed, and no more request waiting;
+ * return 1: request processed, and more requests waiting;
+ * return < 0: error
+ */
+static int bl_disk_inquiry_process(int fd)
+{
+	int ret = 0;
+	struct bl_pipemsg_hdr head;
+	char *buf = NULL;
+	uint32_t major, minor;
+	uint16_t buflen;
+	struct bl_dev_msg reply;
+
+	/* read request */
+	if (atomicio(read, fd, &head, sizeof(head)) != sizeof(head)) {
+		/* Note that an error in this or the next read is pretty
+		 * catastrophic, as there is no good way to resync into
+		 * the pipe's stream.
+		 */
+		BL_LOG_ERR("Read pipefs head error!\n");
+		ret = -EIO;
+		goto out;
+	}
+
+	buflen = head.totallen;
+	buf = malloc(buflen);
+	if (!buf) {
+		BL_LOG_ERR("%s: Out of memory!\n", __func__);
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	if (atomicio(read, fd, buf, buflen) != buflen) {
+		BL_LOG_ERR("Read pipefs content error!\n");
+		ret = -EIO;
+		goto out;
+	}
+
+	reply.status = BL_DEVICE_REQUEST_PROC;
+
+	switch (head.type) {
+	case BL_DEVICE_MOUNT:
+		/*
+		 * It shouldn't be necessary to discover devices here, since
+		 * process_deviceinfo() will re-discover if it can't find
+		 * the devices it needs.  But in the case of multipath
+		 * devices (ones that appear more than once, for example an
+		 * active and a standby LUN), this will re-order them in the
+		 * correct priority.
+		 */
+		bl_discover_devices();
+		if (!process_deviceinfo(buf, buflen, &major, &minor)) {
+			reply.status = BL_DEVICE_REQUEST_ERR;
+			break;
+		}
+		reply.major = major;
+		reply.minor = minor;
+		break;
+	case BL_DEVICE_UMOUNT:
+		if (!dm_device_remove_all((uint64_t *) buf))
+			reply.status = BL_DEVICE_REQUEST_ERR;
+		break;
+	default:
+		reply.status = BL_DEVICE_REQUEST_ERR;
+		break;
+	}
+
+	/* write to pipefs */
+	if (atomicio((void *)write, fd, &reply, sizeof(reply))
+	    != sizeof(reply)) {
+		BL_LOG_ERR("Write pipefs error!\n");
+		ret = -EIO;
+	}
+
+ out:
+	if (buf)
+		free(buf);
+	return ret;
+}
+
+static void bl_watch_dir(const char* dir, int *wd)
+{
+	*wd = inotify_add_watch(bl_watch_fd, dir, IN_CREATE|IN_DELETE);
+	if (*wd < 0)
+		BL_LOG_ERR("failed to watch %s: %s\n", dir, strerror(errno));
+}
+
+static void bl_rpcpipe_cb(void)
+{
+	int rc, curr_byte = 0;
+	char eventArr[EVENT_BUFSIZE];
+	struct inotify_event *event;
+
+	rc = read(bl_watch_fd, &eventArr, EVENT_BUFSIZE);
+	if (rc < 0)
+		BL_LOG_ERR("read event fail: %s", strerror(errno));
+
+	while (rc > curr_byte) {
+		event = (struct inotify_event *)&eventArr[curr_byte];
+		curr_byte += EVENT_SIZE + event->len;
+		if (event->wd == rpc_pipedir_wfd) {
+			if (strncmp(event->name, "nfs", 3))
+				continue;
+			if (event->mask & IN_CREATE) {
+				BL_LOG_WARNING("nfs pipe dir created\n");
+				bl_watch_dir(nfspipe_dir, &nfs_pipedir_wfd);
+				if (bl_pipe_fd >= 0)
+					close(bl_pipe_fd);
+				bl_pipe_fd = open(bl_pipe_file, O_RDWR);
+				if (bl_pipe_fd < 0)
+					BL_LOG_ERR("open %s failed: %s\n",
+						event->name, strerror(errno));
+			} else if (event->mask & IN_DELETE) {
+				BL_LOG_WARNING("nfs pipe dir deleted\n");
+				inotify_rm_watch(bl_watch_fd, nfs_pipedir_wfd);
+				close(bl_pipe_fd);
+				nfs_pipedir_wfd = -1;
+				bl_pipe_fd = -1;
+			}
+		} else if (event->wd == nfs_pipedir_wfd) {
+			if (strncmp(event->name, "blocklayout", 11))
+				continue;
+			if (event->mask & IN_CREATE) {
+				BL_LOG_WARNING("blocklayout pipe file created\n");
+				if (bl_pipe_fd >= 0)
+					close(bl_pipe_fd);
+				bl_pipe_fd = open(bl_pipe_file, O_RDWR);
+				if (bl_pipe_fd < 0)
+					BL_LOG_ERR("open %s failed: %s\n",
+						event->name, strerror(errno));
+			} else if (event->mask & IN_DELETE) {
+				BL_LOG_WARNING("blocklayout pipe file deleted\n");
+				close(bl_pipe_fd);
+				bl_pipe_fd = -1;
+			}
+		}
+	}
+}
+
+static int bl_event_helper(void)
+{
+	fd_set rset;
+	int ret = 0, maxfd;
+
+	for (;;) {
+		FD_ZERO(&rset);
+		FD_SET(bl_watch_fd, &rset);
+		if (bl_pipe_fd > 0)
+			FD_SET(bl_pipe_fd, &rset);
+		maxfd = (bl_watch_fd>bl_pipe_fd)?bl_watch_fd:bl_pipe_fd;
+		switch (select(maxfd + 1, &rset, NULL, NULL, NULL)) {
+		case -1:
+			if (errno == EINTR)
+				continue;
+			else {
+				ret = -errno;
+				goto out;
+			}
+		case 0:
+			goto out;
+		default:
+			if (FD_ISSET(bl_watch_fd, &rset))
+				bl_rpcpipe_cb();
+			else if (bl_pipe_fd > 0 && FD_ISSET(bl_pipe_fd, &rset))
+				ret = bl_disk_inquiry_process(bl_pipe_fd);
+			if (ret)
+				goto out;
+		}
+	}
+ out:
+	return ret;
+}
+
+static void sig_die(int signal)
+{
+	if (pidfd >= 0) {
+		close(pidfd);
+		unlink(PID_FILE);
+	}
+	BL_LOG_ERR("exit on signal(%d)\n", signal);
+	exit(0);
+}
+static void usage(void)
+{
+	fprintf(stderr, "Usage: blkmapd [-hdf]\n" );
+}
+/* Daemon */
+int main(int argc, char **argv)
+{
+	int opt, dflag = 0, fg = 0, ret = 1;
+	char pidbuf[64];
+	char *xrpcpipe_dir = NULL;
+
+	strncpy(rpcpipe_dir, RPCPIPE_DIR, sizeof(rpcpipe_dir));
+	conf_init_file(NFS_CONFFILE);
+	CONF_SAVE(xrpcpipe_dir, conf_get_str("general", "pipefs-directory"));
+	if (xrpcpipe_dir != NULL)
+		strlcpy(rpcpipe_dir, xrpcpipe_dir, sizeof(rpcpipe_dir));
+
+	strncpy(nfspipe_dir, rpcpipe_dir, sizeof(nfspipe_dir));
+	strlcat(nfspipe_dir, "/nfs", sizeof(nfspipe_dir));
+	strncpy(bl_pipe_file, rpcpipe_dir, sizeof(bl_pipe_file));
+	strlcat(bl_pipe_file, "/nfs/blocklayout", sizeof(bl_pipe_file));
+
+	while ((opt = getopt(argc, argv, "hdf")) != -1) {
+		switch (opt) {
+		case 'd':
+			dflag = 1;
+			break;
+		case 'f':
+			fg = 1;
+			break;
+		case 'h':
+			usage();
+			exit(0);
+		default:
+			usage();
+			exit(1);
+			
+		}
+	}
+
+	if (fg) {
+		openlog("blkmapd", LOG_PERROR, 0);
+	} else {
+		pid_t pid = fork();
+		if (pid < 0) {
+			BL_LOG_ERR("fork error\n");
+			exit(1);
+		} else if (pid != 0) {
+			pidfd = open(PID_FILE, O_WRONLY | O_CREAT, 0644);
+			if (pidfd < 0) {
+				BL_LOG_ERR("Create pid file %s failed\n", PID_FILE);
+				exit(1);
+			}
+
+			if (lockf(pidfd, F_TLOCK, 0) < 0) {
+				BL_LOG_ERR("Already running; Exiting!");
+				close(pidfd);
+				exit(1);
+			}
+			if (ftruncate(pidfd, 0) < 0)
+				BL_LOG_ERR("ftruncate on %s failed: m\n", PID_FILE);
+			sprintf(pidbuf, "%d\n", pid);
+			if (write(pidfd, pidbuf, strlen(pidbuf)) != (ssize_t)strlen(pidbuf))
+				BL_LOG_ERR("write on %s failed: m\n", PID_FILE);
+			exit(0);
+		}
+
+		(void)setsid();
+		if (chdir("/")) {
+			BL_LOG_ERR("chdir error\n");
+		}
+		int fd = open("/dev/null", O_RDWR, 0);
+		if (fd >= 0) {
+		    (void)dup2(fd, STDIN_FILENO);
+		    (void)dup2(fd, STDOUT_FILENO);
+		    (void)dup2(fd, STDERR_FILENO);
+
+		    (void)close(fd);
+		}
+
+		openlog("blkmapd", LOG_PID, 0);
+	}
+
+	signal(SIGINT, sig_die);
+	signal(SIGTERM, sig_die);
+	signal(SIGHUP, SIG_IGN);
+
+	if (dflag) {
+		ret = bl_discover_devices();
+		goto out;
+	}
+
+	if ((bl_watch_fd = inotify_init()) < 0) {
+		BL_LOG_ERR("init inotify failed %s\n", strerror(errno));
+		goto out;
+	}
+
+	/* open pipe file */
+	bl_watch_dir(rpcpipe_dir, &rpc_pipedir_wfd);
+	bl_watch_dir(nfspipe_dir, &nfs_pipedir_wfd);
+
+	bl_pipe_fd = open(bl_pipe_file, O_RDWR);
+	if (bl_pipe_fd < 0)
+		BL_LOG_ERR("open pipe file %s failed: %s\n", bl_pipe_file, strerror(errno));
+
+	while (1) {
+		/* discover device when needed */
+		bl_discover_devices();
+
+		ret = bl_event_helper();
+		if (ret < 0) {
+			/* what should we do with process error? */
+			BL_LOG_ERR("inquiry process return %d\n", ret);
+		}
+	}
+out:
+	if (pidfd >= 0) {
+		close(pidfd);
+		unlink(PID_FILE);
+	}
+
+	exit(ret);
+}
diff --git a/utils/blkmapd/device-discovery.h b/utils/blkmapd/device-discovery.h
new file mode 100644
index 0000000..462aa94
--- /dev/null
+++ b/utils/blkmapd/device-discovery.h
@@ -0,0 +1,164 @@
+/*
+ * bl-device-discovery.h
+ *
+ * Copyright (c) 2010 EMC Corporation, Haiying Tang <Tang_Haiying@emc.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef BL_DEVICE_DISCOVERY_H
+#define BL_DEVICE_DISCOVERY_H
+
+#include <stdint.h>
+
+enum blk_vol_type {
+	BLOCK_VOLUME_SIMPLE = 0,	/* maps to a single LU */
+	BLOCK_VOLUME_SLICE = 1,		/* slice of another volume */
+	BLOCK_VOLUME_CONCAT = 2,	/* concatenation of multiple volumes */
+	BLOCK_VOLUME_STRIPE = 3,	/* striped across multiple volumes */
+	BLOCK_VOLUME_PSEUDO = 4,
+};
+
+/* All disk offset/lengths are stored in 512-byte sectors */
+struct bl_volume {
+	uint32_t bv_type;
+	off_t bv_size;
+	struct bl_volume **bv_vols;
+	int bv_vol_n;
+	union {
+		dev_t bv_dev;		/* for BLOCK_VOLUME_SIMPLE(PSEUDO) */
+		off_t bv_stripe_unit;	/* for BLOCK_VOLUME_STRIPE(CONCAT) */
+		off_t bv_offset;	/* for BLOCK_VOLUME_SLICE */
+	} param;
+};
+
+struct bl_sig_comp {
+	int64_t bs_offset;		/* In bytes */
+	uint32_t bs_length;		/* In bytes */
+	char *bs_string;
+};
+
+/* Maximum number of signatures components in a simple volume */
+# define BLOCK_MAX_SIG_COMP 16
+
+struct bl_sig {
+	int si_num_comps;
+	struct bl_sig_comp si_comps[BLOCK_MAX_SIG_COMP];
+};
+
+/*
+ * Multipath support: ACTIVE or PSEUDO device is valid,
+ *		      PASSIVE is a standby for ACTIVE.
+ */
+enum bl_path_state_e {
+	BL_PATH_STATE_PASSIVE = 1,
+	BL_PATH_STATE_ACTIVE = 2,
+	BL_PATH_STATE_PSEUDO = 3,
+};
+
+struct bl_serial {
+	int len;
+	char *data;
+};
+
+struct bl_disk_path {
+	struct bl_disk_path *next;
+	char *full_path;
+	enum bl_path_state_e state;
+};
+
+struct bl_disk {
+	struct bl_disk *next;
+	struct bl_serial *serial;
+	dev_t dev;
+	off_t size;			/* in 512-byte sectors */
+	struct bl_disk_path *valid_path;
+	struct bl_disk_path *paths;
+};
+
+struct bl_dev_id {
+	unsigned char type;
+	unsigned char ids;
+	unsigned char reserve;
+	unsigned char len;
+	char data[0];
+};
+
+struct bl_dev_msg {
+	int status;
+	uint32_t major, minor;
+};
+
+struct bl_pipemsg_hdr {
+	uint8_t type;
+	uint16_t totallen;		/* length of message excluding hdr */
+};
+
+#define BL_DEVICE_UMOUNT                0x0	/* Umount--delete devices */
+#define BL_DEVICE_MOUNT                 0x1	/* Mount--create devices */
+#define BL_DEVICE_REQUEST_INIT          0x0	/* Start request */
+#define BL_DEVICE_REQUEST_PROC          0x1	/* User process succeeds */
+#define BL_DEVICE_REQUEST_ERR           0x2	/* User process fails */
+
+uint32_t *blk_overflow(uint32_t * p, uint32_t * end, size_t nbytes);
+
+#define BLK_READBUF(p, e, nbytes)  do { \
+	p = blk_overflow(p, e, nbytes); \
+	if (!p) {\
+		goto out_err;\
+	} \
+} while (0)
+
+#define READ32(x)         (x) = ntohl(*p++)
+
+#define READ64(x)         do {                  \
+	(x) = (uint64_t)ntohl(*p++) << 32;           \
+	(x) |= ntohl(*p++);                     \
+} while (0)
+
+#define READ_SECTOR(x)     do { \
+	READ64(tmp); \
+	if (tmp & 0x1ff) { \
+		goto out_err; \
+	} \
+	(x) = tmp >> 9; \
+} while (0)
+
+extern struct bl_disk *visible_disk_list;
+uint64_t dm_device_create(struct bl_volume *vols, int num_vols);
+int dm_device_remove_all(uint64_t *dev);
+uint64_t process_deviceinfo(const char *dev_addr_buf,
+			    unsigned int dev_addr_len,
+			    uint32_t *major, uint32_t *minor);
+
+extern ssize_t atomicio(ssize_t(*f) (int, void *, size_t),
+			int fd, void *_s, size_t n);
+extern struct bl_serial *bl_create_scsi_string(int len, const char *bytes);
+extern void bl_free_scsi_string(struct bl_serial *str);
+extern struct bl_serial *bldev_read_serial(int fd, const char *filename);
+extern enum bl_path_state_e bldev_read_ap_state(int fd);
+extern int bl_discover_devices(void);
+
+#define BL_LOG_INFO(fmt...)		syslog(LOG_INFO, fmt)
+#define BL_LOG_WARNING(fmt...)		syslog(LOG_WARNING, fmt)
+#define BL_LOG_ERR(fmt...)		syslog(LOG_ERR, fmt)
+#define BL_LOG_DEBUG(fmt...)		syslog(LOG_DEBUG, fmt)
+#endif
diff --git a/utils/blkmapd/device-inq.c b/utils/blkmapd/device-inq.c
new file mode 100644
index 0000000..9e5749e
--- /dev/null
+++ b/utils/blkmapd/device-inq.c
@@ -0,0 +1,247 @@
+/*
+ * device-inq.c: inquire SCSI device information.
+ *
+ * Copyright (c) 2010 EMC Corporation, Haiying Tang <Tang_Haiying@emc.com>
+ * All rights reserved.
+ *
+ * This program refers to "SCSI Primary Commands - 3 (SPC-3)
+ * at http://www.t10.org and sg_inq.c in sg3_utils-1.26 for
+ * Linux OS SCSI subsystem, by D. Gilbert.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/mount.h>
+#include <sys/select.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_ioctl.h>
+#include <scsi/sg.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <syslog.h>
+#include <dirent.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <errno.h>
+
+#include "device-discovery.h"
+
+#define DEF_ALLOC_LEN	255
+#define MX_ALLOC_LEN	(0xc000 + 0x80)
+
+struct bl_serial *bl_create_scsi_string(int len, const char *bytes)
+{
+	struct bl_serial *s;
+
+	s = malloc(sizeof(*s) + len);
+	if (s) {
+		s->data = (char *)&s[1];
+		s->len = len;
+		memcpy(s->data, bytes, len);
+	}
+	return s;
+}
+
+void bl_free_scsi_string(struct bl_serial *str)
+{
+	if (str)
+		free(str);
+}
+
+#define sg_io_ok(io_hdr) \
+	((((io_hdr).status & 0x7e) == 0) && \
+	((io_hdr).host_status == 0) && \
+	(((io_hdr).driver_status & 0x0f) == 0))
+
+static int sg_timeout = 1 * 1000;
+
+static int bldev_inquire_page(int fd, int page, char *buffer, int len)
+{
+	unsigned char cmd[] = { INQUIRY, 0, 0, 0, 0, 0 };
+	unsigned char sense_b[28];
+	struct sg_io_hdr io_hdr;
+	if (page >= 0) {
+		cmd[1] = 1;
+		cmd[2] = page;
+	}
+	cmd[3] = (unsigned char)((len >> 8) & 0xff);
+	cmd[4] = (unsigned char)(len & 0xff);
+
+	memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+	io_hdr.interface_id = 'S';
+	io_hdr.cmd_len = sizeof(cmd);
+	io_hdr.mx_sb_len = sizeof(sense_b);
+	io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+	io_hdr.dxfer_len = len;
+	io_hdr.dxferp = buffer;
+	io_hdr.cmdp = cmd;
+	io_hdr.sbp = sense_b;
+	io_hdr.timeout = sg_timeout;
+	if (ioctl(fd, SG_IO, &io_hdr) < 0)
+		return -1;
+
+	if (sg_io_ok(io_hdr))
+		return 0;
+	return -1;
+}
+
+static int bldev_inquire_pages(int fd, int page, char **buffer)
+{
+	int status = 0;
+	char *tmp;
+	int len;
+
+	*buffer = calloc(DEF_ALLOC_LEN, sizeof(char));
+	if (!*buffer) {
+		BL_LOG_ERR("%s: Out of memory!\n", __func__);
+		return -ENOMEM;
+	}
+
+	status = bldev_inquire_page(fd, page, *buffer, DEF_ALLOC_LEN);
+	if (status)
+		goto out;
+
+	status = -1;
+	if ((*(*buffer + 1) & 0xff) != page)
+		goto out;
+
+	len = (*(*buffer + 2) << 8) + *(*buffer + 3) + 4;
+	if (len > MX_ALLOC_LEN) {
+		BL_LOG_ERR("SCSI response length too long: %d\n", len);
+		goto out;
+	}
+	if (len > DEF_ALLOC_LEN) {
+		tmp = realloc(*buffer, len);
+		if (!tmp) {
+			BL_LOG_ERR("%s: Out of memory!\n", __func__);
+			status = -ENOMEM;
+			goto out;
+		}
+		*buffer = tmp;
+		status = bldev_inquire_page(fd, page, *buffer, len);
+		if (status)
+			goto out;
+	}
+	status = 0;
+ out:
+	return status;
+}
+
+/* For EMC multipath devices, use VPD page (0xc0) to get status.
+ * For other devices, return ACTIVE for now
+ */
+extern enum bl_path_state_e bldev_read_ap_state(int fd)
+{
+	int status = 0;
+	char *buffer = NULL;
+	enum bl_path_state_e ap_state = BL_PATH_STATE_ACTIVE;
+
+	status = bldev_inquire_pages(fd, 0xc0, &buffer);
+	if (status)
+		goto out;
+
+	if (buffer[4] < 0x02)
+		ap_state = BL_PATH_STATE_PASSIVE;
+ out:
+	if (buffer)
+		free(buffer);
+	return ap_state;
+}
+
+struct bl_serial *bldev_read_serial(int fd, const char *filename)
+{
+	struct bl_serial *serial_out = NULL;
+	int status = 0;
+	char *buffer;
+	struct bl_dev_id *dev_root, *dev_id;
+	unsigned int pos, len, current_id = 0;
+	size_t devid_len = sizeof(struct bl_dev_id) - sizeof(unsigned char);
+
+	status = bldev_inquire_pages(fd, 0x83, &buffer);
+	if (status)
+		goto out;
+
+	dev_root = (struct bl_dev_id *)buffer;
+
+	pos = 0;
+	current_id = 0;
+	len = dev_root->len;
+
+	if (len < devid_len)
+		goto out;
+
+	while (pos < (len - devid_len)) {
+		dev_id = (struct bl_dev_id *)&(dev_root->data[pos]);
+		pos += (dev_id->len + devid_len);
+
+		/* Some targets export zero length EVPD pages,
+		 * skip them to not confuse the device id
+		 * cache.
+		 */
+		if (!dev_id->len)
+			continue;
+
+		if ((dev_id->ids & 0xf) < current_id)
+			continue;
+		switch (dev_id->ids & 0xf) {
+			/* We process SCSI ID with four ID cases: 0, 1, 2 and 3.
+			 * When more than one ID is available, priority is
+			 * 3>2>1>0.
+			 */
+		case 2:	/* EUI-64 based */
+			if ((dev_id->len != 8) && (dev_id->len != 12) &&
+			    (dev_id->len != 16))
+				break;
+			/* FALLTHRU */
+		case 3:	/* NAA */
+			/* TODO: NAA validity judgement too complicated,
+			 * so just ingore it here.
+			 */
+			if ((dev_id->type & 0xf) != 1) {
+				BL_LOG_ERR("Binary code_set expected\n");
+				break;
+			}
+			/* FALLTHRU */
+		case 0:	/* vendor specific */
+		case 1:	/* T10 vendor identification */
+			current_id = dev_id->ids & 0xf;
+			if (serial_out)
+				bl_free_scsi_string(serial_out);
+			serial_out = bl_create_scsi_string(dev_id->len,
+							   dev_id->data);
+			break;
+		}
+		if (current_id == 3)
+			break;
+	}
+ out:
+	if (!serial_out)
+		serial_out = bl_create_scsi_string(strlen(filename), filename);
+	if (buffer)
+		free(buffer);
+	return serial_out;
+}
diff --git a/utils/blkmapd/device-process.c b/utils/blkmapd/device-process.c
new file mode 100644
index 0000000..f53a616
--- /dev/null
+++ b/utils/blkmapd/device-process.c
@@ -0,0 +1,380 @@
+/*
+ * device-process.c: detailed processing of device information sent
+ * from kernel.
+ *
+ * Copyright (c) 2006 The Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ *  Andy Adamson <andros@citi.umich.edu>
+ *  Fred Isaman <iisaman@umich.edu>
+ *
+ * Copyright (c) 2010 EMC Corporation, Haiying Tang <Tang_Haiying@emc.com>
+ *
+ * Used codes in linux/fs/nfs/blocklayout/blocklayoutdev.c.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/user.h>
+#include <arpa/inet.h>
+#include <linux/kdev_t.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include "device-discovery.h"
+
+uint32_t *blk_overflow(uint32_t * p, uint32_t * end, size_t nbytes)
+{
+	uint32_t *q = p + ((nbytes + 3) >> 2);
+
+	if (q > end || q < p)
+		return NULL;
+	return p;
+}
+
+static int decode_blk_signature(uint32_t **pp, uint32_t * end,
+				struct bl_sig *sig)
+{
+	int i;
+	uint32_t siglen, *p = *pp;
+
+	BLK_READBUF(p, end, 4);
+	READ32(sig->si_num_comps);
+	if (sig->si_num_comps == 0) {
+		BL_LOG_ERR("0 components in sig\n");
+		goto out_err;
+	}
+	if (sig->si_num_comps >= BLOCK_MAX_SIG_COMP) {
+		BL_LOG_ERR("number of sig comps %i >= BLOCK_MAX_SIG_COMP\n",
+			   sig->si_num_comps);
+		goto out_err;
+	}
+	for (i = 0; i < sig->si_num_comps; i++) {
+		struct bl_sig_comp *comp = &sig->si_comps[i];
+
+		BLK_READBUF(p, end, 12);
+		READ64(comp->bs_offset);
+		READ32(siglen);
+		comp->bs_length = siglen;
+		BLK_READBUF(p, end, siglen);
+		/* Note we rely here on fact that sig is used immediately
+		 * for mapping, then thrown away.
+		 */
+		comp->bs_string = (char *)p;
+		p += ((siglen + 3) >> 2);
+	}
+	*pp = p;
+	return 0;
+ out_err:
+	return -EIO;
+}
+
+/*
+ * Read signature from device and compare to sig_comp
+ * return: 0=match, 1=no match, -1=error
+ */
+static int
+read_cmp_blk_sig(struct bl_disk *disk, int fd, struct bl_sig_comp *comp)
+{
+	const char *dev_name = disk->valid_path->full_path;
+	int ret = -1;
+	ssize_t siglen = comp->bs_length;
+	int64_t bs_offset = comp->bs_offset;
+	char *sig = NULL;
+
+	sig = (char *)malloc(siglen);
+	if (!sig) {
+		BL_LOG_ERR("%s: Out of memory\n", __func__);
+		goto out;
+	}
+
+	if (bs_offset < 0)
+		bs_offset += (((int64_t) disk->size) << 9);
+	if (lseek64(fd, bs_offset, SEEK_SET) == -1) {
+		BL_LOG_ERR("File %s lseek error\n", dev_name);
+		goto out;
+	}
+
+	if (read(fd, sig, siglen) != siglen) {
+		BL_LOG_ERR("File %s read error\n", dev_name);
+		goto out;
+	}
+
+	ret = memcmp(sig, comp->bs_string, siglen);
+
+ out:
+	if (sig)
+		free(sig);
+	return ret;
+}
+
+/*
+ * All signatures in sig must be found on disk for verification.
+ * Returns True if sig matches, False otherwise.
+ */
+static int verify_sig(struct bl_disk *disk, struct bl_sig *sig)
+{
+	const char *dev_name = disk->valid_path->full_path;
+	int fd, i, rv;
+
+	fd = open(dev_name, O_RDONLY | O_LARGEFILE);
+	if (fd < 0) {
+		BL_LOG_ERR("%s: %s could not be opened for read\n", __func__,
+			   dev_name);
+		return 0;
+	}
+
+	rv = 1;
+
+	for (i = 0; i < sig->si_num_comps; i++) {
+		if (read_cmp_blk_sig(disk, fd, &sig->si_comps[i])) {
+			rv = 0;
+			break;
+		}
+	}
+
+	if (fd >= 0)
+		close(fd);
+	return rv;
+}
+
+/*
+ * map_sig_to_device()
+ * Given a signature, walk the list of visible disks searching for
+ * a match. Returns True if mapping was done, False otherwise.
+ *
+ * While we're at it, fill in the vol->bv_size.
+ */
+static int map_sig_to_device(struct bl_sig *sig, struct bl_volume *vol)
+{
+	int mapped = 0;
+	struct bl_disk *disk;
+
+	/* scan disk list to find out match device */
+	for (disk = visible_disk_list; disk; disk = disk->next) {
+		/* FIXME: should we use better algorithm for disk scan? */
+		mapped = verify_sig(disk, sig);
+		if (mapped) {
+			BL_LOG_INFO("%s: using device %s\n",
+					__func__, disk->valid_path->full_path);
+			vol->param.bv_dev = disk->dev;
+			vol->bv_size = disk->size;
+			break;
+		}
+	}
+	return mapped;
+}
+
+/* We are given an array of XDR encoded array indices, each of which should
+ * refer to a previously decoded device.  Translate into a list of pointers
+ * to the appropriate pnfs_blk_volume's.
+ */
+static int set_vol_array(uint32_t **pp, uint32_t *end,
+			 struct bl_volume *vols, int working)
+{
+	int i, index;
+	uint32_t *p = *pp;
+	struct bl_volume **array = vols[working].bv_vols;
+
+	for (i = 0; i < vols[working].bv_vol_n; i++) {
+		BLK_READBUF(p, end, 4);
+		READ32(index);
+		if ((index < 0) || (index >= working)) {
+			BL_LOG_ERR("set_vol_array: Id %i out of range\n",
+				   index);
+			goto out_err;
+		}
+		array[i] = &vols[index];
+	}
+	*pp = p;
+	return 0;
+ out_err:
+	return -EIO;
+}
+
+static uint64_t sum_subvolume_sizes(struct bl_volume *vol)
+{
+	int i;
+	uint64_t sum = 0;
+
+	for (i = 0; i < vol->bv_vol_n; i++)
+		sum += vol->bv_vols[i]->bv_size;
+	return sum;
+}
+
+static int
+decode_blk_volume(uint32_t **pp, uint32_t *end, struct bl_volume *vols, int voln,
+		  int *array_cnt)
+{
+	int status = 0, j;
+	struct bl_sig sig;
+	uint32_t *p = *pp;
+	struct bl_volume *vol = &vols[voln];
+	uint64_t tmp;
+
+	BLK_READBUF(p, end, 4);
+	READ32(vol->bv_type);
+
+	switch (vol->bv_type) {
+	case BLOCK_VOLUME_SIMPLE:
+		*array_cnt = 0;
+		status = decode_blk_signature(&p, end, &sig);
+		if (status)
+			return status;
+		status = map_sig_to_device(&sig, vol);
+		if (!status) {
+			BL_LOG_ERR("Could not find disk for device\n");
+			return -ENXIO;
+		}
+		BL_LOG_INFO("%s: simple %d\n", __func__, voln);
+		status = 0;
+		break;
+	case BLOCK_VOLUME_SLICE:
+		BLK_READBUF(p, end, 16);
+		READ_SECTOR(vol->param.bv_offset);
+		READ_SECTOR(vol->bv_size);
+		*array_cnt = vol->bv_vol_n = 1;
+		BL_LOG_INFO("%s: slice %d\n", __func__, voln);
+		status = set_vol_array(&p, end, vols, voln);
+		break;
+	case BLOCK_VOLUME_STRIPE:
+		BLK_READBUF(p, end, 8);
+		READ_SECTOR(vol->param.bv_stripe_unit);
+		off_t stripe_unit = vol->param.bv_stripe_unit;
+		/* Check limitations imposed by device-mapper */
+		if ((stripe_unit & (stripe_unit - 1)) != 0
+		    || stripe_unit < (off_t) (sysconf(_SC_PAGE_SIZE) >> 9))
+			return -EIO;
+		BLK_READBUF(p, end, 4);
+		READ32(vol->bv_vol_n);
+		if (!vol->bv_vol_n)
+			return -EIO;
+		*array_cnt = vol->bv_vol_n;
+		BL_LOG_INFO("%s: stripe %d nvols=%d unit=%ld\n", __func__, voln,
+			    vol->bv_vol_n, (long)stripe_unit);
+		status = set_vol_array(&p, end, vols, voln);
+		if (status)
+			return status;
+		for (j = 1; j < vol->bv_vol_n; j++) {
+			if (vol->bv_vols[j]->bv_size !=
+			    vol->bv_vols[0]->bv_size) {
+				BL_LOG_ERR("varying subvol size\n");
+				return -EIO;
+			}
+		}
+		vol->bv_size = vol->bv_vols[0]->bv_size * vol->bv_vol_n;
+		break;
+	case BLOCK_VOLUME_CONCAT:
+		BLK_READBUF(p, end, 4);
+		READ32(vol->bv_vol_n);
+		if (!vol->bv_vol_n)
+			return -EIO;
+		*array_cnt = vol->bv_vol_n;
+		BL_LOG_INFO("%s: concat %d %d\n", __func__, voln,
+			    vol->bv_vol_n);
+		status = set_vol_array(&p, end, vols, voln);
+		if (status)
+			return status;
+		vol->bv_size = sum_subvolume_sizes(vol);
+		break;
+	default:
+		BL_LOG_ERR("Unknown volume type %i\n", vol->bv_type);
+ out_err:
+		return -EIO;
+	}
+	*pp = p;
+	return status;
+}
+
+uint64_t process_deviceinfo(const char *dev_addr_buf,
+			    unsigned int dev_addr_len,
+			    uint32_t *major, uint32_t *minor)
+{
+	int num_vols, i, status, count;
+	uint32_t *p, *end;
+	struct bl_volume *vols = NULL, **arrays = NULL, **arrays_ptr = NULL;
+	uint64_t dev = 0;
+
+	p = (uint32_t *) dev_addr_buf;
+	end = (uint32_t *) ((char *)p + dev_addr_len);
+
+	/* Decode block volume */
+	BLK_READBUF(p, end, 4);
+	READ32(num_vols);
+	BL_LOG_INFO("%s: %d vols\n", __func__, num_vols);
+	if (num_vols <= 0)
+		goto out_err;
+
+	vols = (struct bl_volume *)malloc(num_vols * sizeof(struct bl_volume));
+	if (!vols) {
+		BL_LOG_ERR("%s: Out of memory\n", __func__);
+		goto out_err;
+	}
+
+	/* Each volume in vols array needs its own array.  Save time by
+	 * allocating them all in one large hunk.  Because each volume
+	 * array can only reference previous volumes, and because once
+	 * a concat or stripe references a volume, it may never be
+	 * referenced again, the volume arrays are guaranteed to fit
+	 * in the suprisingly small space allocated.
+	 */
+	arrays_ptr = arrays =
+	    (struct bl_volume **)malloc(num_vols * 2 *
+					sizeof(struct bl_volume *));
+	if (!arrays) {
+		BL_LOG_ERR("%s: Out of memory\n", __func__);
+		goto out_err;
+	}
+
+	for (i = 0; i < num_vols; i++) {
+		vols[i].bv_vols = arrays_ptr;
+		status = decode_blk_volume(&p, end, vols, i, &count);
+		if (status)
+			goto out_err;
+		arrays_ptr += count;
+	}
+
+	if (p != end) {
+		BL_LOG_ERR("p is not equal to end!\n");
+		goto out_err;
+	}
+
+	dev = dm_device_create(vols, num_vols);
+	if (dev) {
+		*major = MAJOR(dev);
+		*minor = MINOR(dev);
+	}
+
+ out_err:
+	if (vols)
+		free(vols);
+	if (arrays)
+		free(arrays);
+	return dev;
+}
diff --git a/utils/blkmapd/dm-device.c b/utils/blkmapd/dm-device.c
new file mode 100644
index 0000000..ee20d54
--- /dev/null
+++ b/utils/blkmapd/dm-device.c
@@ -0,0 +1,525 @@
+/*
+ * dm-device.c: create or remove device via device mapper API.
+ *
+ * Copyright (c) 2010 EMC Corporation, Haiying Tang <Tang_Haiying@emc.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <linux/kdev_t.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <libdevmapper.h>
+
+#include "device-discovery.h"
+
+#define DM_DEV_NAME_LEN		256
+
+#ifndef DM_MAX_TYPE_NAME
+#define DM_MAX_TYPE_NAME	16
+#endif
+
+#define DM_PARAMS_LEN		512	/* XXX: is this enough for target? */
+#define TYPE_HAS_DEV(type)	((type == BLOCK_VOLUME_SIMPLE) || \
+			 (type == BLOCK_VOLUME_PSEUDO))
+
+struct bl_dm_table {
+	uint64_t offset;
+	uint64_t size;
+	char target_type[DM_MAX_TYPE_NAME];
+	char params[DM_PARAMS_LEN];
+	struct bl_dm_table *next;
+};
+
+struct bl_dm_tree {
+	uint64_t dev;
+	struct dm_tree *tree;
+	struct bl_dm_tree *next;
+};
+
+static const char dm_name[] = "pnfs_vol_%u";
+
+static unsigned int dev_count;
+
+static inline struct bl_dm_table *bl_dm_table_alloc(void)
+{
+	return (struct bl_dm_table *)calloc(1, sizeof(struct bl_dm_table));
+}
+
+static void bl_dm_table_free(struct bl_dm_table *bl_table_head)
+{
+	struct bl_dm_table *p;
+
+	while (bl_table_head) {
+		p = bl_table_head->next;
+		free(bl_table_head);
+		bl_table_head = p;
+	}
+}
+
+static void add_to_bl_dm_table(struct bl_dm_table **bl_table_head,
+			struct bl_dm_table *table)
+{
+	struct bl_dm_table *p;
+
+	if (!*bl_table_head) {
+		*bl_table_head = table;
+		return;
+	}
+	p = *bl_table_head;
+	while (p->next)
+		p = p->next;
+	p->next = table;
+}
+
+struct bl_dm_tree *bl_tree_head;
+
+static struct bl_dm_tree *find_bl_dm_tree(uint64_t dev)
+{
+	struct bl_dm_tree *p;
+
+	for (p = bl_tree_head; p; p = p->next) {
+		if (p->dev == dev)
+			break;
+	}
+	return p;
+}
+
+static void del_from_bl_dm_tree(uint64_t dev)
+{
+	struct bl_dm_tree *p, *pre = bl_tree_head;
+
+	for (p = pre; p; p = p->next) {
+		if (p->dev == dev) {
+			pre->next = p->next;
+			if (p == bl_tree_head)
+				bl_tree_head = bl_tree_head->next;
+			free(p);
+			break;
+		}
+		pre = p;
+	}
+}
+
+static void add_to_bl_dm_tree(struct bl_dm_tree *tree)
+{
+	struct bl_dm_tree *p;
+
+	if (!bl_tree_head) {
+		bl_tree_head = tree;
+		return;
+	}
+	p = bl_tree_head;
+	while (p->next)
+		p = p->next;
+	p->next = tree;
+	return;
+}
+
+/*
+ * Create device via device mapper
+ * return 0 when creation failed
+ * return dev no for created device
+ */
+static uint64_t
+dm_device_create_mapped(const char *dev_name, struct bl_dm_table *p)
+{
+	struct dm_task *dmt;
+	struct dm_info dminfo;
+	int ret = 0;
+
+	dmt = dm_task_create(DM_DEVICE_CREATE);
+	if (!dmt) {
+		BL_LOG_ERR("Create dm_task for %s failed\n", dev_name);
+		return 0;
+	}
+	ret = dm_task_set_name(dmt, dev_name);
+	if (!ret)
+		goto err_out;
+
+	while (p) {
+		ret =
+		    dm_task_add_target(dmt, p->offset, p->size, p->target_type,
+				       p->params);
+		if (!ret)
+			goto err_out;
+		p = p->next;
+	}
+
+	ret = dm_task_run(dmt) && dm_task_get_info(dmt, &dminfo)
+	    && dminfo.exists;
+
+	if (!ret)
+		goto err_out;
+
+	dm_task_update_nodes();
+
+ err_out:
+	dm_task_destroy(dmt);
+
+	if (!ret) {
+		BL_LOG_ERR("Create device %s failed\n", dev_name);
+		return 0;
+	}
+	return MKDEV(dminfo.major, dminfo.minor);
+}
+
+static int dm_device_remove_byname(const char *dev_name)
+{
+	struct dm_task *dmt;
+	int ret = 0;
+
+	BL_LOG_INFO("%s: %s\n", __func__, dev_name);
+
+	dmt = dm_task_create(DM_DEVICE_REMOVE);
+	if (!dmt)
+		return 0;
+
+	ret = dm_task_set_name(dmt, dev_name) && dm_task_run(dmt);
+
+	dm_task_update_nodes();
+	dm_task_destroy(dmt);
+
+	return ret;
+}
+
+static int dm_device_remove(uint64_t dev)
+{
+	struct dm_task *dmt;
+	struct dm_names *dmnames;
+	char *name = NULL;
+	int ret = 0;
+
+	/* Look for dev_name via dev, if dev_name could be transferred here,
+	   we could jump to DM_DEVICE_REMOVE directly */
+
+	dmt = dm_task_create(DM_DEVICE_LIST);
+	if (!dmt) {
+		BL_LOG_ERR("dm_task creation failed\n");
+		goto out;
+	}
+
+	ret = dm_task_run(dmt);
+	if (!ret) {
+		BL_LOG_ERR("dm_task_run failed\n");
+		goto out;
+	}
+
+	dmnames = dm_task_get_names(dmt);
+	if (!dmnames || !dmnames->dev) {
+		BL_LOG_ERR("dm_task_get_names failed\n");
+		goto out;
+	}
+
+	while (dmnames) {
+		if (dmnames->dev == dev) {
+			name = strdup(dmnames->name);
+			break;
+		}
+		dmnames = (void *)dmnames + dmnames->next;
+	}
+
+	if (!name) {
+		BL_LOG_ERR("Could not find device\n");
+		goto out;
+	}
+
+	dm_task_update_nodes();
+
+ out:
+	if (dmt)
+		dm_task_destroy(dmt);
+
+	/* Start to remove device */
+	if (name) {
+		ret = dm_device_remove_byname(name);
+		free(name);
+	}
+
+	return ret;
+}
+
+static void dm_devicelist_remove(unsigned int start, unsigned int end)
+{
+	char dev_name[DM_DEV_NAME_LEN];
+	unsigned int count;
+
+	if (start >= dev_count || end <= 1 || start >= end - 1)
+		return;
+
+	for (count = end - 1; count > start; count--) {
+		snprintf(dev_name, sizeof dev_name, dm_name, count - 1);
+		dm_device_remove_byname(dev_name);
+	}
+
+	return;
+}
+
+static void bl_dm_remove_tree(uint64_t dev)
+{
+	struct bl_dm_tree *p;
+
+	p = find_bl_dm_tree(dev);
+	if (!p)
+		return;
+
+	dm_tree_free(p->tree);
+	del_from_bl_dm_tree(dev);
+}
+
+static int bl_dm_create_tree(uint64_t dev)
+{
+	struct dm_tree *tree;
+	struct bl_dm_tree *bl_tree;
+
+	bl_tree = find_bl_dm_tree(dev);
+	if (bl_tree)
+		return 1;
+
+	tree = dm_tree_create();
+	if (!tree)
+		return 0;
+
+	if (!dm_tree_add_dev(tree, MAJOR(dev), MINOR(dev))) {
+		dm_tree_free(tree);
+		return 0;
+	}
+
+	bl_tree = malloc(sizeof(struct bl_dm_tree));
+	if (!bl_tree) {
+		dm_tree_free(tree);
+		return 0;
+	}
+
+	bl_tree->dev = dev;
+	bl_tree->tree = tree;
+	bl_tree->next = NULL;
+	add_to_bl_dm_tree(bl_tree);
+
+	return 1;
+}
+
+int dm_device_remove_all(uint64_t *dev)
+{
+	struct bl_dm_tree *p;
+	struct dm_tree_node *node;
+	const char *uuid;
+	int ret = 0;
+	uint32_t major, minor;
+	uint64_t bl_dev;
+
+	memcpy(&major, dev, sizeof(uint32_t));
+	memcpy(&minor, (void *)dev + sizeof(uint32_t), sizeof(uint32_t));
+	bl_dev = MKDEV(major, minor);
+	p = find_bl_dm_tree(bl_dev);
+	if (!p)
+		return ret;
+
+	node = dm_tree_find_node(p->tree, MAJOR(bl_dev), MINOR(bl_dev));
+	if (!node)
+		return ret;
+
+	uuid = dm_tree_node_get_uuid(node);
+	if (!uuid)
+		return ret;
+
+	dm_device_remove(bl_dev);
+	ret = dm_tree_deactivate_children(node, uuid, strlen(uuid));
+	dm_task_update_nodes();
+	bl_dm_remove_tree(bl_dev);
+
+	return ret;
+}
+
+static int dm_device_exists(char *dev_name)
+{
+	char fullname[DM_DEV_NAME_LEN];
+
+	snprintf(fullname, sizeof fullname, "/dev/mapper/%s", dev_name);
+	return (access(fullname, F_OK) >= 0);
+}
+
+/* TODO: check the value for DM_DEV_NAME_LEN, DM_TYPE_LEN, DM_PARAMS_LEN */
+uint64_t dm_device_create(struct bl_volume *vols, int num_vols)
+{
+	uint64_t size, stripe_unit, dev = 0;
+	unsigned int count = dev_count;
+	int volnum, i, pos;
+	struct bl_volume *node;
+	char *tmp;
+	struct bl_dm_table *table = NULL;
+	struct bl_dm_table *bl_table_head = NULL;
+	unsigned int len;
+	char *dev_name = NULL;
+
+	/* Create pseudo device here */
+	for (volnum = 0; volnum < num_vols; volnum++) {
+		node = &vols[volnum];
+		switch (node->bv_type) {
+		case BLOCK_VOLUME_SIMPLE:
+			/* Do not need to create device here */
+			dev = node->param.bv_dev;
+			goto continued;
+		case BLOCK_VOLUME_SLICE:
+			table = bl_dm_table_alloc();
+			if (!table)
+				goto out;
+			table->offset = 0;
+			table->size = node->bv_size;
+			strcpy(table->target_type, "linear");
+			if (!TYPE_HAS_DEV(node->bv_vols[0]->bv_type)) {
+				free(table);
+				goto out;
+			}
+			dev = node->bv_vols[0]->param.bv_dev;
+			tmp = table->params;
+			BL_LOG_INFO("%s: major %llu minor %llu", __func__,
+					(long long unsigned)MAJOR(dev), 
+					(long long unsigned)MINOR(dev));
+			if (!dm_format_dev(tmp, DM_PARAMS_LEN,
+					   MAJOR(dev), MINOR(dev))) {
+				free(table);
+				goto out;
+			}
+			tmp += strlen(tmp);
+			sprintf(tmp, " %llu", 
+				(long long unsigned)node->param.bv_offset);
+			add_to_bl_dm_table(&bl_table_head, table);
+			break;
+		case BLOCK_VOLUME_STRIPE:
+			table = bl_dm_table_alloc();
+			if (!table)
+				goto out;
+			table->offset = 0;
+			/* Truncate size to a stripe unit boundary */
+			stripe_unit = node->param.bv_stripe_unit;
+			table->size =
+			    node->bv_size - (node->bv_size % stripe_unit);
+			strcpy(table->target_type, "striped");
+			sprintf(table->params, "%d %llu %n", node->bv_vol_n,
+				(long long unsigned) stripe_unit, &pos);
+			/* Copy subdev major:minor to params */
+			tmp = table->params + pos;
+			len = DM_PARAMS_LEN - pos;
+			for (i = 0; i < node->bv_vol_n; i++) {
+				if (!TYPE_HAS_DEV(node->bv_vols[i]->bv_type)) {
+					free(table);
+					goto out;
+				}
+				dev = node->bv_vols[i]->param.bv_dev;
+				if (!dm_format_dev(tmp, len, MAJOR(dev),
+						   MINOR(dev))) {
+					free(table);
+					goto out;
+				}
+				pos = strlen(tmp);
+				tmp += pos;
+				len -= pos;
+				sprintf(tmp, " %d ", 0);
+				tmp += 3;
+				len -= 3;
+			}
+			add_to_bl_dm_table(&bl_table_head, table);
+			break;
+		case BLOCK_VOLUME_CONCAT:
+			size = 0;
+			for (i = 0; i < node->bv_vol_n; i++) {
+				table = bl_dm_table_alloc();
+				if (!table)
+					goto out;
+				table->offset = size;
+				table->size = node->bv_vols[i]->bv_size;
+				if (!TYPE_HAS_DEV(node->bv_vols[i]->bv_type)) {
+					free(table);
+					goto out;
+				}
+				strcpy(table->target_type, "linear");
+				tmp = table->params;
+				dev = node->bv_vols[i]->param.bv_dev;
+				BL_LOG_INFO("%s: major %lu minor %lu", __func__,
+					(long unsigned int)MAJOR(dev), 
+					(long unsigned int)MINOR(dev));
+				if (!dm_format_dev(tmp, DM_PARAMS_LEN,
+						   MAJOR(dev), MINOR(dev))) {
+					free(table);
+					goto out;
+				}
+				tmp += strlen(tmp);
+				sprintf(tmp, " %d", 0);
+				size += table->size;
+				add_to_bl_dm_table(&bl_table_head, table);
+			}
+			break;
+		default:
+			/* Delete previous temporary devices */
+			dm_devicelist_remove(count, dev_count);
+			goto out;
+		}		/* end of swtich */
+		/* Create dev_name here. Name of device is pnfs_vol_XXX */
+		if (dev_name)
+			free(dev_name);
+		dev_name = (char *)calloc(DM_DEV_NAME_LEN, sizeof(char));
+		if (!dev_name) {
+			BL_LOG_ERR("%s: Out of memory\n", __func__);
+			goto out;
+		}
+		do {
+			snprintf(dev_name, DM_DEV_NAME_LEN, dm_name,
+				 dev_count++);
+		} while (dm_device_exists(dev_name));
+
+		dev = dm_device_create_mapped(dev_name, bl_table_head);
+		BL_LOG_INFO("%s: %d %s %d:%d\n", __func__, volnum, dev_name,
+			    (int) MAJOR(dev), (int) MINOR(dev));
+		if (!dev) {
+			/* Delete previous temporary devices */
+			dm_devicelist_remove(count, dev_count);
+			goto out;
+		}
+		node->param.bv_dev = dev;
+		/* TODO: extend use with PSEUDO later */
+		node->bv_type = BLOCK_VOLUME_PSEUDO;
+
+ continued:
+		if (bl_table_head)
+			bl_dm_table_free(bl_table_head);
+		bl_table_head = NULL;
+	}
+ out:
+	if (bl_table_head) {
+		bl_dm_table_free(bl_table_head);
+		bl_table_head = NULL;
+	}
+	if (dev)
+		bl_dm_create_tree(dev);
+	if (dev_name)
+		free(dev_name);
+	return dev;
+}
diff --git a/utils/exportd/Makefile.am b/utils/exportd/Makefile.am
new file mode 100644
index 0000000..26078c9
--- /dev/null
+++ b/utils/exportd/Makefile.am
@@ -0,0 +1,67 @@
+## Process this file with automake to produce Makefile.in
+
+OPTLIBS		=
+if CONFIG_JUNCTION
+OPTLIBS		+= ../../support/junction/libjunction.la $(LIBXML2)
+endif
+
+man8_MANS	= exportd.man
+EXTRA_DIST	= $(man8_MANS)
+
+NFSPREFIX	= nfsv4.
+KPREFIX		= @kprefix@
+sbin_PROGRAMS	= exportd
+
+exportd_SOURCES = exportd.c
+exportd_LDADD = ../../support/export/libexport.a \
+			../../support/nfs/libnfs.la \
+			../../support/misc/libmisc.a \
+			../../support/reexport/libreexport.a \
+			$(OPTLIBS) $(LIBBLKID) $(LIBPTHREAD) \
+			-luuid
+
+exportd_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) \
+		-I$(top_srcdir)/support/export
+
+MAINTAINERCLEANFILES = Makefile.in
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include NFSPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(NFSPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(NFSPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(NFSPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(NFSPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(NFSPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(NFSPREFIX)$$inst ; \
+	  done)
+
diff --git a/utils/exportd/Makefile.in b/utils/exportd/Makefile.in
new file mode 100644
index 0000000..a5f0f63
--- /dev/null
+++ b/utils/exportd/Makefile.in
@@ -0,0 +1,880 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
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+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
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+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
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+  strip_trailopt () \
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+    test $$skip_next = yes && { skip_next=no; continue; }; \
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+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
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+PRE_UNINSTALL = :
+POST_UNINSTALL = :
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+	$(top_srcdir)/aclocal/bsdsignals.m4 \
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
+	$(top_srcdir)/aclocal/keyutils.m4 \
+	$(top_srcdir)/aclocal/libblkid.m4 \
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+	$(top_srcdir)/aclocal/libevent.m4 \
+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
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+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+mkinstalldirs = $(install_sh) -d
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+am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"
+PROGRAMS = $(sbin_PROGRAMS)
+am_exportd_OBJECTS = exportd-exportd.$(OBJEXT)
+exportd_OBJECTS = $(am_exportd_OBJECTS)
+am__DEPENDENCIES_1 =
+@CONFIG_JUNCTION_TRUE@am__DEPENDENCIES_2 =  \
+@CONFIG_JUNCTION_TRUE@	../../support/junction/libjunction.la \
+@CONFIG_JUNCTION_TRUE@	$(am__DEPENDENCIES_1)
+am__DEPENDENCIES_3 = $(am__DEPENDENCIES_2)
+exportd_DEPENDENCIES = ../../support/export/libexport.a \
+	../../support/nfs/libnfs.la ../../support/misc/libmisc.a \
+	../../support/reexport/libreexport.a $(am__DEPENDENCIES_3) \
+	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
+AM_V_lt = $(am__v_lt_@AM_V@)
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+am__v_lt_0 = --silent
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+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/support/include
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/exportd-exportd.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
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+SOURCES = $(exportd_SOURCES)
+DIST_SOURCES = $(exportd_SOURCES)
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
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+  esac;
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+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
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+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) uninstall-hook
+.MAKE: install-am install-exec-am install-strip uninstall-am
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-exec-hook install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-hook \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include NFSPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(NFSPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(NFSPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(NFSPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(NFSPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(NFSPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(NFSPREFIX)$$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/exportd/exportd.c b/utils/exportd/exportd.c
new file mode 100644
index 0000000..a2e370a
--- /dev/null
+++ b/utils/exportd/exportd.c
@@ -0,0 +1,247 @@
+/*
+ * Copyright (C) 2021 Red Hat <nfs@redhat.com>
+ *
+ * support/exportd/exportd.c
+ *
+ * Routines used to support NFSv4 exports
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stddef.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <getopt.h>
+#include <errno.h>
+
+#include "nfslib.h"
+#include "conffile.h"
+#include "exportfs.h"
+#include "export.h"
+
+extern void my_svc_run(void);
+
+/* Number of mountd threads to start.   Default is 1 and
+ * that's probably enough unless you need hundreds of
+ * clients to be able to mount at once.  */
+static int num_threads = 1;
+/* Arbitrary limit on number of threads */
+#define MAX_THREADS 64
+
+int manage_gids;
+int use_ipaddr = -1;
+
+static struct option longopts[] =
+{
+	{ "foreground", 0, 0, 'F' },
+	{ "debug", 1, 0, 'd' },
+	{ "help", 0, 0, 'h' },
+	{ "manage-gids", 0, 0, 'g' },
+	{ "num-threads", 1, 0, 't' },
+	{ "log-auth", 0, 0, 'l' },
+	{ "cache-use-ipaddr", 0, 0, 'i' },
+	{ "ttl", 0, 0, 'T' },
+	{ NULL, 0, 0, 0 }
+};
+static char shortopts[] = "d:fghs:t:liT:";
+
+/*
+ * Signal handlers.
+ */
+inline static void set_signals(void);
+
+inline void
+cleanup_lockfiles (void)
+{
+	unlink(etab.lockfn);
+}
+
+static void
+killer (int sig)
+{
+	if (num_threads > 1) {
+		/* play Kronos and eat our children */
+		kill(0, SIGTERM);
+		cache_wait_for_workers("exportd");
+	}
+	cleanup_lockfiles();
+	free_state_path_names(&etab);
+	xlog (L_NOTICE, "Caught signal %d, exiting.", sig);
+
+	exit(0);
+}
+
+static void
+sig_hup (int UNUSED(sig))
+{
+	/* don't exit on SIGHUP */
+	xlog (L_NOTICE, "Received SIGHUP... Ignoring.\n");
+	return;
+}
+
+inline static void
+set_signals(void)
+{
+	struct sigaction sa;
+
+	sa.sa_handler = SIG_IGN;
+	sa.sa_flags = 0;
+	sigemptyset(&sa.sa_mask);
+	sigaction(SIGPIPE, &sa, NULL);
+	/* WARNING: the following works on Linux and SysV, but not BSD! */
+	sigaction(SIGCHLD, &sa, NULL);
+
+	sa.sa_handler = killer;
+	sigaction(SIGINT, &sa, NULL);
+	sigaction(SIGTERM, &sa, NULL);
+
+	sa.sa_handler = sig_hup;
+	sigaction(SIGHUP, &sa, NULL);
+}
+
+static void
+usage(const char *prog, int n)
+{
+	fprintf(stderr,
+		"Usage: %s [-f|--foreground] [-h|--help] [-d kind|--debug kind]\n"
+"	[-g|--manage-gids] [-l|--log-auth] [-i|--cache-use-ipaddr] [-T|--ttl ttl]\n"
+"	[-s|--state-directory-path path]\n"
+"	[-t num|--num-threads=num]\n", prog);
+	exit(n);
+}
+
+inline static void
+read_exportd_conf(char *progname, char **argv)
+{
+	char *s;
+	int ttl;
+
+	conf_init_file(NFS_CONFFILE);
+
+	xlog_set_debug(progname);
+
+	manage_gids = conf_get_bool("exportd", "manage-gids", manage_gids);
+	num_threads = conf_get_num("exportd", "threads", num_threads);
+	if (conf_get_bool("mountd", "cache-use-ipaddr", 0))
+		use_ipaddr = 2;
+
+	s = conf_get_str("exportd", "state-directory-path");
+	if (s && !state_setup_basedir(argv[0], s))
+		exit(1);
+
+	ttl = conf_get_num("mountd", "ttl", default_ttl);
+	if (ttl > 0)
+		default_ttl = ttl;
+}
+
+int
+main(int argc, char **argv)
+{
+	char *progname;
+	int foreground = 0;
+	int c;
+	int ttl;
+
+	/* Set the basename */
+	if ((progname = strrchr(argv[0], '/')) != NULL)
+		progname++;
+	else
+		progname = argv[0];
+
+	/* Initialize logging. */
+	xlog_open(progname);
+
+	/* Read in config setting */
+	read_exportd_conf(progname, argv);
+
+	while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != EOF) {
+		switch (c) {
+		case 'd':
+			xlog_sconfig(optarg, 1);
+			break;
+		case 'l':
+			xlog_sconfig("auth", 1);
+			break;
+		case 'f':
+			foreground++;
+			break;
+		case 'g':
+			manage_gids = 1;
+			break;
+		case 'h':
+			usage(progname, 0);
+			break;
+		case 'i':
+			use_ipaddr = 2;
+			break;
+		case 'T':
+			ttl = atoi(optarg);
+			if (ttl <= 0) {
+				fprintf(stderr, "%s: bad ttl number of seconds: %s\n",
+					argv[0], optarg);
+				usage(argv[0], 1);
+			}
+			default_ttl = ttl;
+			break;
+		case 's':
+			if (!state_setup_basedir(argv[0], optarg))
+				exit(1);
+			break;
+		case 't':
+			num_threads = atoi (optarg);
+			break;
+		case '?':
+		default:
+			usage(progname, 1);
+		}
+
+	}
+
+	if (!setup_state_path_names(progname, ETAB, ETABTMP, ETABLCK, &etab))
+		return 1;
+
+	if (!foreground)
+		xlog_stderr(0);
+
+	daemon_init(foreground);
+
+	set_signals();
+	daemon_ready();
+
+	/* silently bounds check num_threads */
+	if (foreground)
+		num_threads = 1;
+	else if (num_threads < 1)
+		num_threads = 1;
+	else if (num_threads > MAX_THREADS)
+		num_threads = MAX_THREADS;
+
+	/* Open cache channel files BEFORE forking so each upcall is
+	 * only handled by one thread.  Kernel provides locking for both
+	 * read and write.
+	 */
+	cache_open();
+
+	if (cache_fork_workers(progname, num_threads) == 0) {
+		/* We forked, waited, and now need to clean up */
+		cleanup_lockfiles();
+		free_state_path_names(&etab);
+		xlog(L_NOTICE, "%s: no more workers, exiting\n", progname);
+		exit(0);
+	}
+
+	v4clients_init();
+
+	/* Process incoming upcalls */
+	while (cache_process(NULL) >= 0)
+		;
+
+	xlog(L_ERROR, "%s: process loop terminated unexpectedly(%m). Exiting...\n",
+		progname);
+
+	free_state_path_names(&etab);
+	exit(1);
+}
diff --git a/utils/exportd/exportd.man b/utils/exportd/exportd.man
new file mode 100644
index 0000000..fae434b
--- /dev/null
+++ b/utils/exportd/exportd.man
@@ -0,0 +1,141 @@
+.\"@(#)nfsv4.exportd.8"
+.\"
+.\" Copyright (C) 2021 Red Hat <nfs@redhat.com>
+.\"
+.TH nfsv4.exportd 8 "02 Feb 2021"
+.SH NAME
+nfsv4.exportd \- NFSv4 Server Mount Daemon
+.SH SYNOPSIS
+.BI "/usr/sbin/nfsv4.exportd [" options "]"
+.SH DESCRIPTION
+The
+.B nfsv4.exportd
+is used to manage NFSv4 exports.
+The NFS server
+.RI ( nfsd )
+maintains a cache of authentication and authorization information which
+is used to identify the source of each request, and then what access
+permissions that source has to any local filesystem.  When required
+information is not found in the cache, the server sends a request to
+.B nfsv4.exportd
+to fill in the missing information.  
+.B nfsv4.exportd
+uses a table of information stored in
+.B /var/lib/nfs/etab
+and maintained by
+.BR exportfs (8),
+possibly based on the contents of 
+.BR exports (5),
+to respond to each request.
+.SH OPTIONS
+.TP
+.B \-d kind " or " \-\-debug kind
+Turn on debugging. Valid kinds are: all, auth, call, general and parse.
+.TP
+.BR \-l " or " \-\-log\-auth
+Enable logging of responses to authentication and access requests from
+nfsd.  Each response is then cached by the kernel for 30 minutes (or as set by
+.B \-\-ttl
+below), and will be refreshed after 15 minutes (half the ttl time) if
+the relevant client remains active.
+Note that
+.B -l
+is equivalent to
+.B "-d auth"
+and so can be enabled in
+.B /etc/nfs.conf
+with
+.B "\[dq]debug = auth\[dq]"
+in the
+.B "[exportd]"
+section.
+.TP
+.BR \-i " or " \-\-cache\-use\-ipaddr
+Normally each client IP address is matched against each host identifier
+(name, wildcard, netgroup etc) found in
+.B /etc/exports
+and a combined identity is formed from all matching identifiers.
+Often many clients will map to the same combined identity so performing
+this mapping reduces the number of distinct access details that the
+kernel needs to store.
+Specifying the
+.B \-i
+option suppresses this mapping so that access to each filesystem is
+requested and cached separately for each client IP address.  Doing this
+can increase the burden of updating the cache slightly, but can make the
+log messages produced by the
+.B -l
+option easier to read.
+.TP
+.B \-T " or " \-\-ttl
+Provide a time-to-live (TTL) for cached information given to the kernel.
+The kernel will normally request an update if the information is needed
+after half of this time has expired.  Increasing the provided number,
+which is in seconds, reduces the rate of cache update requests, and this
+is particularly noticeable when these requests are logged with
+.BR \-l .
+However increasing also means that changes to hostname to address
+mappings can take longer to be noticed.
+The default TTL is 1800 (30 minutes).
+.TP
+.B \-F " or " \-\-foreground
+Run in foreground (do not daemonize)
+.TP
+.B \-h " or " \-\-help
+Display usage message.
+.TP
+.BR "\-t N" " or " "\-\-num\-threads=N " or  " \-\-num\-threads N "
+This option specifies the number of worker threads that 
+.B nfsv4.exports
+spawns.  The default is 1 thread, which is probably enough.  More
+threads are usually only needed for NFS servers which need to handle
+mount storms of hundreds of NFS mounts in a few seconds, or when
+your DNS server is slow or unreliable.
+.TP
+.BR \-g " or " \-\-manage-gids
+Accept requests from the kernel to map user id numbers into lists of
+group id numbers for use in access control.  An NFS request will
+normally (except when using Kerberos or other cryptographic
+authentication) contain a user-id and a list of group-ids.  Due to a
+limitation in the NFS protocol, at most 16 groups ids can be listed.
+If you use the
+.B \-g
+flag, then the list of group ids received from the client will be
+replaced by a list of group ids determined by an appropriate lookup on
+the server. Note that the 'primary' group id is not affected so a
+.B newgroup
+command on the client will still be effective.  This function requires
+a Linux Kernel with version at least 2.6.21.
+.SH CONFIGURATION FILE
+Many of the options that can be set on the command line can also be
+controlled through values set in the
+.B [exportd]
+or, in some cases, the
+.B [nfsd]
+sections of the
+.I /etc/nfs.conf
+configuration file.
+Values recognized in the
+.B [exportd]
+section include 
+.B cache\-use\-ipaddr ,
+.BR ttl ,
+.BR manage-gids ", and"
+.B debug 
+which each have the same effect as the option with the same name.
+.SH FILES
+.TP 2.5i
+.I /etc/exports
+input file for
+.BR exportfs ,
+listing exports, export options, and access control lists
+.SH SEE ALSO
+.BR exportfs (8),
+.BR exports (5),
+.BR showmount (8),
+.BR nfs.conf (5),
+.BR firewall-cmd (1),
+.sp
+RFC 7530 - "Network File System (NFS) Version 4 Protocol"
+.br
+RFC 8881 - "Network File System (NFS) Version 4 Minor Version 1 Protocol"
diff --git a/utils/exportfs/Makefile.am b/utils/exportfs/Makefile.am
new file mode 100644
index 0000000..7f8ce9f
--- /dev/null
+++ b/utils/exportfs/Makefile.am
@@ -0,0 +1,18 @@
+## Process this file with automake to produce Makefile.in
+
+man5_MANS	= exports.man
+man7_MANS	= nfsd.man
+man8_MANS	= exportfs.man
+
+EXTRA_DIST	= $(man5_MANS) $(man7_MANS) $(man8_MANS)
+sbin_PROGRAMS	= exportfs
+exportfs_SOURCES = exportfs.c
+exportfs_LDADD = ../../support/export/libexport.a \
+	       	 ../../support/nfs/libnfs.la \
+		 ../../support/misc/libmisc.a \
+		 ../../support/reexport/libreexport.a \
+		 $(LIBWRAP) $(LIBNSL) $(LIBPTHREAD)
+
+exportfs_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) -I$(top_srcdir)/support/reexport
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/utils/exportfs/Makefile.in b/utils/exportfs/Makefile.in
new file mode 100644
index 0000000..3fd8dc0
--- /dev/null
+++ b/utils/exportfs/Makefile.in
@@ -0,0 +1,920 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
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+  else \
+    false; \
+  fi; \
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+PRE_INSTALL = :
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+am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man5dir)" \
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+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^5][0-9a-z]*$$,5,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man5dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man5dir)/$$inst" || exit $$?; \
+	  fi; \
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+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
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+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
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+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^7][0-9a-z]*$$,7,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man7dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man7dir)/$$inst" || exit $$?; \
+	  fi; \
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+	done; }
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+uninstall-man7:
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+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^7][0-9a-z]*$$,7,;x' \
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+install-man8: $(man8_MANS)
+	@$(NORMAL_INSTALL)
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+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
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+	done | \
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+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
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+	done; }
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+uninstall-man8:
+	@$(NORMAL_UNINSTALL)
+	@list='$(man8_MANS)'; test -n "$(man8dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
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+
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+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
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+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
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+distdir-am: $(DISTFILES)
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+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+check: check-am
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+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
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+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/exportfs-exportfs.Po
+	-rm -f Makefile
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+	distclean-tags
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+		-rm -f ./$(DEPDIR)/exportfs-exportfs.Po
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man5 install-man7 \
+	install-man8 install-pdf install-pdf-am install-ps \
+	install-ps-am install-sbinPROGRAMS install-strip installcheck \
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+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/exportfs/exportfs.c b/utils/exportfs/exportfs.c
new file mode 100644
index 0000000..b03a047
--- /dev/null
+++ b/utils/exportfs/exportfs.c
@@ -0,0 +1,768 @@
+/*
+ * utils/exportfs/exportfs.c
+ *
+ * Export file systems to knfsd
+ *
+ * Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de>
+ *
+ * Extensive changes, 1999, Neil Brown <neilb@cse.unsw.edu.au>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/vfs.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <getopt.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <errno.h>
+#include <limits.h>
+#include <time.h>
+
+#define INT_TO_LONG_THRESHOLD_SECS (INT_MAX - (60 * 60 * 24))
+
+#include "sockaddr.h"
+#include "misc.h"
+#include "nfsd_path.h"
+#include "nfslib.h"
+#include "exportfs.h"
+#include "xlog.h"
+#include "conffile.h"
+#include "reexport.h"
+
+static void	export_all(int verbose);
+static void	exportfs(char *arg, char *options, int verbose);
+static void	unexportfs(char *arg, int verbose);
+static void	dump(int verbose, int export_format);
+static void	usage(const char *progname, int n);
+static void	validate_export(nfs_export *exp);
+static int	matchhostname(const char *hostname1, const char *hostname2);
+static void grab_lockfile(void);
+static void release_lockfile(void);
+
+static const char *lockfile = EXP_LOCKFILE;
+static int _lockfd = -1;
+
+/*
+ * If we aren't careful, changes made by exportfs can be lost
+ * when multiple exports process run at once:
+ *
+ *	exportfs process 1	exportfs process 2
+ *	------------------------------------------
+ *	reads etab version A	reads etab version A
+ *	adds new export B	adds new export C
+ *	writes A+B		writes A+C
+ *
+ * The locking in support/export/xtab.c will prevent mountd from
+ * seeing a partially written version of etab, and will prevent
+ * the two writers above from writing simultaneously and
+ * corrupting etab, but to prevent problems like the above we
+ * need these additional lockfile() routines.
+ */
+static void
+grab_lockfile(void)
+{
+	_lockfd = open(lockfile, O_CREAT|O_RDWR, 0666);
+	if (_lockfd != -1)
+		lockf(_lockfd, F_LOCK, 0);
+}
+static void
+release_lockfile(void)
+{
+	if (_lockfd != -1) {
+		lockf(_lockfd, F_ULOCK, 0);
+		close(_lockfd);
+		_lockfd = -1;
+	}
+}
+inline static void 
+read_exportfs_conf(char **argv)
+{
+	char *s;
+
+	conf_init_file(NFS_CONFFILE);
+	xlog_set_debug("exportfs");
+
+	/* NOTE: following uses "mountd" section of nfs.conf !!!! */
+	s = conf_get_str("mountd", "state-directory-path");
+	/* Also look in the exportd section */
+	if (s == NULL)
+		s = conf_get_str("exportd", "state-directory-path");
+	if (s && !state_setup_basedir(argv[0], s))
+		exit(1);
+
+}
+int
+main(int argc, char **argv)
+{
+	char	*options = NULL;
+	char	*progname = NULL;
+	int	f_export = 1;
+	int	f_all = 0;
+	int	f_verbose = 0;
+	int	f_export_format = 0;
+	int	f_reexport = 0;
+	int	f_ignore = 0;
+	int	i, c;
+	int	force_flush = 0;
+
+	if ((progname = strrchr(argv[0], '/')) != NULL)
+		progname++;
+	else
+		progname = argv[0];
+
+	xlog_open(progname);
+	xlog_stderr(1);
+	xlog_syslog(0);
+
+	/* Read in config setting */
+	read_exportfs_conf(argv);
+
+	nfsd_path_init();
+
+	while ((c = getopt(argc, argv, "ad:fhio:ruvs")) != EOF) {
+		switch(c) {
+		case 'a':
+			f_all = 1;
+			break;
+		case 'd':
+			xlog_sconfig(optarg, 1);
+			break;
+		case 'f':
+			force_flush = 1;
+			break;
+		case 'h':
+			usage(progname, 0);
+			break;
+		case 'i':
+			f_ignore = 1;
+			break;
+		case 'o':
+			options = optarg;
+			break;
+		case 'r':
+			f_reexport = 1;
+			f_all = 1;
+			break;
+		case 'u':
+			f_export = 0;
+			break;
+		case 'v':
+			f_verbose = 1;
+			break;
+		case 's':
+			f_export_format = 1;
+			break;
+		default:
+			usage(progname, 1);
+			break;
+		}
+	}
+
+	if (optind != argc && f_all) {
+		xlog(L_ERROR, "extra arguments are not permitted with -a or -r");
+		return 1;
+	}
+	if (f_ignore && (f_all || ! f_export)) {
+		xlog(L_ERROR, "-i not meaningful with -a, -r or -u");
+		return 1;
+	}
+	if (f_reexport && ! f_export) {
+		xlog(L_ERROR, "-r and -u are incompatible");
+		return 1;
+	}
+
+	if (!setup_state_path_names(progname, ETAB, ETABTMP, ETABLCK, &etab))
+		return 1;
+
+	if (optind == argc && ! f_all) {
+		if (force_flush) {
+			cache_flush();
+			free_state_path_names(&etab);
+			return 0;
+		} else {
+			xtab_export_read();
+			dump(f_verbose, f_export_format);
+			free_state_path_names(&etab);
+			export_freeall();
+			return 0;
+		}
+	}
+
+	/*
+	 * Serialize things as best we can
+	 */
+	grab_lockfile();
+	atexit(release_lockfile);
+
+	if (f_export && ! f_ignore) {
+		if (! (export_read(_PATH_EXPORTS, 0) +
+		       export_d_read(_PATH_EXPORTS_D, 0))) {
+			if (f_verbose)
+				xlog(L_WARNING, "No file systems exported!");
+		}
+	}
+	if (f_export) {
+		if (f_all)
+			export_all(f_verbose);
+		else
+			for (i = optind; i < argc ; i++)
+				exportfs(argv[i], options, f_verbose);
+	}
+	/* If we are unexporting everything, then
+	 * don't care about what should be exported, as that
+	 * may require DNS lookups..
+	 */
+	if (! ( !f_export && f_all)) {
+		/* note: xtab_*_read does not update entries if they already exist,
+		 * so this will not lose new options
+		 */
+		if (!f_reexport)
+			xtab_export_read();
+		if (!f_export)
+			for (i = optind ; i < argc ; i++)
+				unexportfs(argv[i], f_verbose);
+	}
+	xtab_export_write();
+	cache_flush();
+	free_state_path_names(&etab);
+	export_freeall();
+
+	return export_errno;
+}
+
+/*
+ * export_all finds all entries and
+ *    marks them xtabent and mayexport so that they get exported
+ */
+static void
+export_all(int verbose)
+{
+	nfs_export	*exp;
+	int		i;
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (verbose)
+				printf("exporting %s:%s\n",
+				       exp->m_client->m_hostname,
+				       exp->m_export.e_path);
+			exp->m_xtabent = 1;
+			exp->m_mayexport = 1;
+			exp->m_changed = 1;
+			exp->m_warned = 0;
+			validate_export(exp);
+		}
+	}
+}
+
+
+static void
+exportfs_parsed(char *hname, char *path, char *options, int verbose)
+{
+	struct exportent *eep;
+	nfs_export	*exp = NULL;
+	struct addrinfo	*ai = NULL;
+	int		htype;
+
+	if ((htype = client_gettype(hname)) == MCL_FQDN) {
+		ai = host_addrinfo(hname);
+		if (ai != NULL) {
+			exp = export_find(ai, path);
+			hname = ai->ai_canonname;
+		}
+	} else
+		exp = export_lookup(hname, path, 0);
+
+	if (!exp) {
+		if (!(eep = mkexportent(hname, path, options)) ||
+		    !(exp = export_create(eep, 0)))
+			goto out;
+	} else if (!updateexportent(&exp->m_export, options))
+		goto out;
+
+	if (verbose)
+		printf("exporting %s:%s\n", exp->m_client->m_hostname,
+			exp->m_export.e_path);
+	exp->m_xtabent = 1;
+	exp->m_mayexport = 1;
+	exp->m_changed = 1;
+	exp->m_warned = 0;
+	validate_export(exp);
+
+out:
+	nfs_freeaddrinfo(ai);
+}
+
+static int exportfs_generic(char *arg, char *options, int verbose)
+{
+	char *path;
+
+	if ((path = strchr(arg, ':')) != NULL)
+		*path++ = '\0';
+
+	if (!path || *path != '/')
+		return 1;
+
+	exportfs_parsed(arg, path, options, verbose);
+	return 0;
+}
+
+static int exportfs_ipv6(char *arg, char *options, int verbose)
+{
+	char *path, *c;
+
+	arg++;
+	c = strchr(arg, ']');
+	if (c == NULL)
+		return 1;
+
+	/* no colon means this is a wildcarded DNS hostname */
+	if (memchr(arg, ':', c - arg) == NULL)
+		return exportfs_generic(--arg, options, verbose);
+
+	path = strstr(c, ":/");
+	if (path == NULL)
+		return 1;
+	*path++ = '\0';
+
+	/* if there's anything between the closing brace and the
+	 * path separator, it's probably a prefix length */
+	memmove(c, c + 1, path - c);
+
+	exportfs_parsed(arg, path, options, verbose);
+	return 0;
+}
+
+static void
+exportfs(char *arg, char *options, int verbose)
+{
+	int failed;
+
+	if (*arg == '[')
+		failed = exportfs_ipv6(arg, options, verbose);
+	else
+		failed = exportfs_generic(arg, options, verbose);
+	if (failed)
+		xlog(L_ERROR, "Invalid export syntax: %s", arg);
+}
+
+static void
+unexportfs_parsed(char *hname, char *path, int verbose)
+{
+	nfs_export	*exp;
+	struct addrinfo *ai = NULL;
+	int		htype;
+	int		success = 0;
+
+	if ((htype = client_gettype(hname)) == MCL_FQDN) {
+		ai = host_addrinfo(hname);
+		if (ai)
+			hname = ai->ai_canonname;
+	}
+
+	/*
+	 * It's possible the specified path ends with a '/'. But
+	 * the entry from exportlist won't has the trailing '/',
+	 * so need to deal with it.
+	*/
+	size_t nlen = strlen(path);
+	while ((nlen > 1) && (path[nlen - 1] == '/'))
+		nlen--;
+
+	for (exp = exportlist[htype].p_head; exp; exp = exp->m_next) {
+		if (strlen(exp->m_export.e_path) != nlen)
+			continue;
+		if (path && strncmp(path, exp->m_export.e_path, nlen))
+			continue;
+		if (htype != exp->m_client->m_type)
+			continue;
+		if (htype == MCL_FQDN
+		    && !matchhostname(exp->m_export.e_hostname,
+					  hname))
+			continue;
+		if (htype != MCL_FQDN
+		    && strcasecmp(exp->m_export.e_hostname, hname))
+			continue;
+		if (verbose) {
+#if 0
+			if (exp->m_exported) {
+				printf("unexporting %s:%s from kernel\n",
+				       exp->m_client->m_hostname,
+				       exp->m_export.e_path);
+			}
+			else
+#endif
+				printf("unexporting %s:%s\n",
+					exp->m_client->m_hostname,
+					exp->m_export.e_path);
+		}
+		exp->m_xtabent = 0;
+		exp->m_mayexport = 0;
+		success = 1;
+	}
+	if (!success)
+		xlog(L_ERROR, "Could not find '%s:%s' to unexport.", hname, path);
+
+	nfs_freeaddrinfo(ai);
+}
+
+static int unexportfs_generic(char *arg, int verbose)
+{
+	char *path;
+
+	if ((path = strchr(arg, ':')) != NULL)
+		*path++ = '\0';
+
+	if (!path || *path != '/')
+		return 1;
+
+	unexportfs_parsed(arg, path, verbose);
+	return 0;
+}
+
+static int unexportfs_ipv6(char *arg, int verbose)
+{
+	char *path, *c;
+
+	arg++;
+	c = strchr(arg, ']');
+	if (c == NULL)
+		return 1;
+
+	/* no colon means this is a wildcarded DNS hostname */
+	if (memchr(arg, ':', c - arg) == NULL)
+		return unexportfs_generic(--arg, verbose);
+
+	path = strstr(c, ":/");
+	if (path == NULL)
+		return 1;
+	*path++ = '\0';
+
+	/* if there's anything between the closing brace and the
+	 * path separator, it's probably a prefix length */
+	memmove(c, c + 1, path - c);
+
+	unexportfs_parsed(arg, path, verbose);
+	return 0;
+}
+
+static void
+unexportfs(char *arg, int verbose)
+{
+	int failed;
+
+	if (*arg == '[')
+		failed = unexportfs_ipv6(arg, verbose);
+	else
+		failed = unexportfs_generic(arg, verbose);
+	if (failed)
+		xlog(L_ERROR, "Invalid export syntax: %s", arg);
+}
+
+static int can_test(void)
+{
+	char buf[1024] = { 0 };
+	int fd;
+	int n;
+	size_t bufsiz = sizeof(buf);
+
+	fd = open("/proc/net/rpc/auth.unix.ip/channel", O_WRONLY);
+	if (fd < 0)
+		return 0;
+
+	/*
+	 * We introduce tolerance of 1 day to ensure that we use a
+	 * LONG_MAX for the expiry timestamp before it is actually
+	 * needed. To use LONG_MAX, the kernel code must have
+	 * commit 2f74f972  (sunrpc: prepare NFS for 2038).
+	 */
+	if (time(NULL) > INT_TO_LONG_THRESHOLD_SECS)
+		snprintf(buf, bufsiz-1, "nfsd 0.0.0.0 %ld -test-client-\n", LONG_MAX);
+	else
+		snprintf(buf, bufsiz-1, "nfsd 0.0.0.0 %d -test-client-\n", INT_MAX);
+
+	n = write(fd, buf, strlen(buf));
+	close(fd);
+	if (n < 0)
+		return 0;
+
+	fd = open("/proc/net/rpc/nfsd.export/channel", O_WRONLY);
+	if (fd < 0)
+		return 0;
+	close(fd);
+	return 1;
+}
+
+static void
+validate_export(nfs_export *exp)
+{
+	/* Check that the given export point is potentially exportable.
+	 * We just give warnings here, don't cause anything to fail.
+	 * If a path doesn't exist, or is not a dir or file, give an warning
+	 * otherwise trial-export to '-test-client-' and check for failure.
+	 */
+	struct stat stb;
+	char *path = exportent_realpath(&exp->m_export);
+	struct statfs stf;
+	int fs_has_fsid = 0;
+
+	if (stat(path, &stb) < 0) {
+		xlog(L_ERROR, "Failed to stat %s: %m", path);
+		return;
+	}
+	if (!S_ISDIR(stb.st_mode)) {
+		xlog(L_ERROR, "%s is not a directory. "
+			"Remote access will fail", path);
+		return;
+	}
+	if (!can_test())
+		return;
+
+	if (!statfs(path, &stf) &&
+	    (stf.f_fsid.__val[0] || stf.f_fsid.__val[1]))
+		fs_has_fsid = 1;
+
+	if ((exp->m_export.e_flags & NFSEXP_FSID) || exp->m_export.e_uuid ||
+	    fs_has_fsid) {
+		if ( !export_test(&exp->m_export, 1)) {
+			xlog(L_ERROR, "%s does not support NFS export", path);
+			return;
+		}
+	} else if ( !export_test(&exp->m_export, 0)) {
+		if (export_test(&exp->m_export, 1))
+			xlog(L_ERROR, "%s requires fsid= for NFS export", path);
+		else
+			xlog(L_ERROR, "%s does not support NFS export", path);
+		return;
+
+	}
+}
+
+static _Bool
+is_hostname(const char *sp)
+{
+	if (*sp == '\0' || *sp == '@')
+		return false;
+
+	for (; *sp != '\0'; sp++) {
+		if (*sp == '*' || *sp == '?' || *sp == '[' || *sp == '/')
+			return false;
+		if (*sp == '\\' && sp[1] != '\0')
+			sp++;
+	}
+
+	return true;
+}
+
+/*
+ * Take care to perform an explicit reverse lookup on presentation
+ * addresses.  Otherwise we don't get a real canonical name or a
+ * complete list of addresses.
+ */
+static struct addrinfo *
+address_list(const char *hostname)
+{
+	struct addrinfo *ai;
+	char *cname;
+
+	ai = host_pton(hostname);
+	if (ai != NULL) {
+		/* @hostname was a presentation address */
+		cname = host_canonname(ai->ai_addr);
+		nfs_freeaddrinfo(ai);
+		if (cname != NULL)
+			goto out;
+	}
+	/* @hostname was a hostname or had no reverse mapping */
+	cname = strdup(hostname);
+	if (cname == NULL)
+		return NULL;
+
+out:
+	ai = host_addrinfo(cname);
+	free(cname);
+	return ai;
+}
+
+static int
+matchhostname(const char *hostname1, const char *hostname2)
+{
+	struct addrinfo *results1 = NULL, *results2 = NULL;
+	struct addrinfo *ai1, *ai2;
+	int result = 0;
+
+	if (strcasecmp(hostname1, hostname2) == 0)
+		return 1;
+
+	/*
+	 * Don't pass export wildcards or netgroup names to DNS
+	 */
+	if (!is_hostname(hostname1) || !is_hostname(hostname2))
+		return 0;
+
+	results1 = address_list(hostname1);
+	if (results1 == NULL)
+		goto out;
+	results2 = address_list(hostname2);
+	if (results2 == NULL)
+		goto out;
+
+	if (strcasecmp(results1->ai_canonname, results2->ai_canonname) == 0) {
+		result = 1;
+		goto out;
+	}
+
+	for (ai1 = results1; ai1 != NULL; ai1 = ai1->ai_next)
+		for (ai2 = results2; ai2 != NULL; ai2 = ai2->ai_next)
+			if (nfs_compare_sockaddr(ai1->ai_addr, ai2->ai_addr)) {
+				result = 1;
+				break;
+			}
+
+out:
+	nfs_freeaddrinfo(results1);
+	nfs_freeaddrinfo(results2);
+	return result;
+}
+
+#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
+__attribute__((format (printf, 2, 3)))
+#endif
+static char
+dumpopt(char c, char *fmt, ...)
+{
+	va_list	ap;
+
+	va_start(ap, fmt);
+	printf("%c", c);
+	vprintf(fmt, ap);
+	va_end(ap);
+	return ',';
+}
+
+static void
+dump(int verbose, int export_format)
+{
+	/* buf[] size should >= sizeof(struct exportent->e_path) */
+	char buf[NFS_MAXPATHLEN+1] = { 0 };
+	char *bp;
+	int len;
+	nfs_export	*exp;
+	struct exportent *ep;
+	int		htype;
+	char		*hname, c;
+
+	for (htype = 0; htype < MCL_MAXTYPES; htype++) {
+		for (exp = exportlist[htype].p_head; exp; exp = exp->m_next) {
+			ep = &exp->m_export;
+			if (!exp->m_xtabent)
+			    continue; /* neilb */
+			if (htype == MCL_ANONYMOUS)
+				hname = (export_format) ? "*" : "<world>";
+			else
+				hname = ep->e_hostname;
+			if (strlen(ep->e_path) > 14 && !export_format)
+				printf("%-14s\n\t\t%s", ep->e_path, hname);
+			else
+				if (export_format) {
+					bp = buf;
+					len = sizeof(buf) - 1;
+					qword_add(&bp, &len, ep->e_path);
+					*bp = '\0';
+					printf("%s %s", buf, hname);
+				} else {
+					printf("%-14s\t%s", ep->e_path, hname);
+				}
+
+			if (!verbose && !export_format) {
+				printf("\n");
+				continue;
+			}
+			c = '(';
+			if (ep->e_flags & NFSEXP_ASYNC)
+				c = dumpopt(c, "async");
+			else
+				c = dumpopt(c, "sync");
+			if (ep->e_flags & NFSEXP_GATHERED_WRITES)
+				c = dumpopt(c, "wdelay");
+			else
+				c = dumpopt(c, "no_wdelay");
+			if (ep->e_flags & NFSEXP_NOHIDE)
+				c = dumpopt(c, "nohide");
+			else
+				c = dumpopt(c, "hide");
+			if (ep->e_flags & NFSEXP_CROSSMOUNT)
+				c = dumpopt(c, "crossmnt");
+			if (ep->e_flags & NFSEXP_NOSUBTREECHECK)
+				c = dumpopt(c, "no_subtree_check");
+			if (ep->e_flags & NFSEXP_NOAUTHNLM)
+				c = dumpopt(c, "insecure_locks");
+			if (ep->e_flags & NFSEXP_NOREADDIRPLUS)
+				c = dumpopt(c, "nordirplus");
+			if (ep->e_flags & NFSEXP_SECURITY_LABEL)
+				c = dumpopt(c, "security_label");
+			if (ep->e_flags & NFSEXP_NOACL)
+				c = dumpopt(c, "no_acl");
+			if (ep->e_flags & NFSEXP_PNFS)
+				c = dumpopt(c, "pnfs");
+			if (ep->e_flags & NFSEXP_FSID)
+				c = dumpopt(c, "fsid=%d", ep->e_fsid);
+			if (ep->e_uuid)
+				c = dumpopt(c, "fsid=%s", ep->e_uuid);
+			if (ep->e_reexport) {
+				switch (ep->e_reexport) {
+					case REEXP_AUTO_FSIDNUM:
+						c = dumpopt(c, "reexport=%s", "auto-fsidnum");
+						break;
+					case REEXP_PREDEFINED_FSIDNUM:
+						c = dumpopt(c, "reexport=%s", "predefined-fsidnum");
+						break;
+				}
+			}
+			if (ep->e_mountpoint)
+				c = dumpopt(c, "mountpoint%s%s",
+					    ep->e_mountpoint[0]?"=":"",
+					    ep->e_mountpoint);
+			if (ep->e_anonuid != 65534)
+				c = dumpopt(c, "anonuid=%d", ep->e_anonuid);
+			if (ep->e_anongid != 65534)
+				c = dumpopt(c, "anongid=%d", ep->e_anongid);
+			switch(ep->e_fslocmethod) {
+			case FSLOC_NONE:
+				break;
+			case FSLOC_REFER:
+				c = dumpopt(c, "refer=%s", ep->e_fslocdata);
+				break;
+			case FSLOC_REPLICA:
+				c = dumpopt(c, "replicas=%s", ep->e_fslocdata);
+				break;
+#ifdef DEBUG
+			case FSLOC_STUB:
+				c = dumpopt(c, "fsloc=stub");
+				break;
+#endif
+			}
+			secinfo_show(stdout, ep);
+			xprtsecinfo_show(stdout, ep);
+			printf("%c\n", (c != '(')? ')' : ' ');
+		}
+	}
+}
+
+static void
+usage(const char *progname, int n)
+{
+	fprintf(stderr, "usage: %s [-adfhioruvs] [host:/path]\n", progname);
+	exit(n);
+}
diff --git a/utils/exportfs/exportfs.man b/utils/exportfs/exportfs.man
new file mode 100644
index 0000000..6d417a7
--- /dev/null
+++ b/utils/exportfs/exportfs.man
@@ -0,0 +1,337 @@
+.\"@(#)exportfs.8"
+.\"
+.\" Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+.\" Modifications 1999-2003 Neil Brown <neilb@cse.unsw.edu.au>
+.\"
+.TH exportfs 8 "30 September 2013"
+.SH NAME
+exportfs \- maintain table of exported NFS file systems
+.SH SYNOPSIS
+.BI "/usr/sbin/exportfs [-avi] [-o " "options,.." "] [" "client:/path" " ..]
+.br
+.BI "/usr/sbin/exportfs -r [-v]"
+.br
+.BI "/usr/sbin/exportfs [-av] -u [" "client:/path" " ..]
+.br
+.BI "/usr/sbin/exportfs [-v]
+.br
+.BI "/usr/sbin/exportfs -f"
+.br
+.BI "/usr/sbin/exportfs -s"
+.br
+.SH DESCRIPTION
+An NFS server maintains a table of local physical file systems
+that are accessible to NFS clients.
+Each file system in this table is  referred to as an
+.IR "exported file system" ,
+or
+.IR export ,
+for short.
+.PP
+The
+.B exportfs
+command maintains the current table of exports for the NFS server.
+The master export table is kept in a file named
+.IR /var/lib/nfs/etab .
+This file is read by
+.B rpc.mountd
+when a client sends an NFS MOUNT request.
+.PP
+Normally the master export table is initialized with the contents of
+.I /etc/exports
+and files under
+.I /etc/exports.d
+by invoking
+.BR "exportfs -a" .
+However, a system administrator can choose to add or delete
+exports without modifying
+.I /etc/exports
+or files under
+.I /etc/exports.d
+by using the
+.B exportfs
+command.
+.PP
+.B exportfs
+and its partner program
+.B rpc.mountd
+work in one of two modes: a legacy mode which applies to 2.4 and
+earlier versions of the Linux kernel, and a new mode which applies to
+2.6 and later versions, providing the
+.B nfsd
+virtual filesystem has been mounted at
+.I /proc/fs/nfsd
+or
+.IR /proc/fs/nfs .
+On 2.6 kernels, if this filesystem is not mounted, the legacy mode is used.
+.PP
+In the new mode,
+.B exportfs
+does not give any information to the kernel, but provides it only to
+.B rpc.mountd
+through the
+.I /var/lib/nfs/etab
+file.
+.B rpc.mountd
+then manages kernel requests for information about exports, as needed.
+.PP
+In the legacy mode,
+exports which identify a specific host, rather than a subnet or netgroup,
+are entered directly into the kernel's export table,
+as well as being written to
+.IR /var/lib/nfs/etab .
+Further, exports listed in
+.I /var/lib/nfs/rmtab
+which match a non host-specific export request will cause an
+appropriate export entry for the host given in
+.I rmtab
+to be added to the kernel's export table.
+.SH OPTIONS
+.TP
+.B \-d kind " or " \-\-debug kind
+Turn on debugging. Valid kinds are: all, auth, call, general and parse.
+Debugging can also be turned on by setting
+.B debug=
+in the
+.B [exportfs]
+section of
+.IR /etc/nfs.conf .
+
+.TP
+.B -a
+Export or unexport all directories.
+.TP
+.BI "-o " options,...
+Specify a list of export options in the same manner as in
+.BR exports (5).
+.TP
+.B -i
+Ignore the
+.I /etc/exports
+file and files under
+.I /etc/exports.d
+directory.  Only default options and options given on the command line are used.
+.TP
+.B -r
+Reexport all directories, synchronizing
+.I /var/lib/nfs/etab
+with
+.IR /etc/exports 
+and files under 
+.IR /etc/exports.d .
+This option removes entries in
+.I /var/lib/nfs/etab
+which have been deleted from
+.I /etc/exports
+or files under
+.IR /etc/exports.d , 
+and removes any entries from the
+kernel export table which are no longer valid.
+.TP
+.B -u
+Unexport one or more directories.
+.TP
+.B -f
+If
+.I /proc/fs/nfsd
+or
+.I /proc/fs/nfs
+is mounted, flush everything out of the kernel's export table.
+Fresh entries for active clients are added to the kernel's export table by
+.B rpc.mountd
+when they make their next NFS mount request.
+.TP
+.B -v
+Be verbose. When exporting or unexporting, show what's going on. When
+displaying the current export list, also display the list of export
+options.
+.TP
+.B -s
+Display the current export list suitable for /etc/exports.
+
+.SH CONFIGURATION FILE
+The
+.B [exportfs]
+section of the
+.I /etc/nfs.conf
+configuration file can contain a
+.B debug
+value, which can be one or more from the list
+.BR general ,
+.BR call ,
+.BR auth ,
+.BR parse ,
+.BR all .
+When a list is given, the members should be comma-separated.
+
+.B exportfs
+will also recognize the
+.B state-directory-path
+value from both the 
+.B [mountd]
+section and the
+.B [exportd]
+section
+
+.SH DISCUSSION
+.SS Exporting Directories
+The first synopsis shows how to invoke
+.B exportfs
+when adding new entries to the export table.  When using
+.BR "exportfs -a" ,
+all exports listed in
+.I /etc/exports
+and files under
+.I /etc/exports.d
+are added to
+.IR /var/lib/nfs/etab .
+The kernel's export table is also updated as needed.
+.PP
+The
+.I host:/path
+argument specifies a local directory to export,
+along with the client or clients who are permitted to access it.
+See
+.B exports(5)
+for a description of supported options and access list formats.
+.PP
+IPv6 presentation addresses contain colons, which are already used
+to separate the "host" and "path" command line arguments.
+When specifying a client using a raw IPv6 address,
+enclose the address in square brackets.
+For IPv6 network addresses, place the prefix just after the closing
+bracket.
+.PP
+To export a directory to the world, simply specify
+.IR :/path .
+.PP
+The export options for a particular host/directory pair derive from
+several sources.
+The default export options are
+.BR sync,ro,root_squash,wdelay .
+These can be overridden by entries in
+.IR /etc/exports 
+or files under
+.IR /etc/exports.d .
+.PP
+A system administrator may override options from these sources using the
+.B -o
+command-line option on
+.BR exportfs .
+This option takes a comma-separated list of options in the same fashion
+as one would specify them in
+.IR /etc/exports .
+In this way
+.B exportfs
+can be used to modify the export options of an already exported directory.
+.SS Unexporting Directories
+The third synopsis shows how to unexport a currently exported directory.
+When using
+.BR "exportfs -ua" ,
+all entries listed in
+.I /var/lib/nfs/etab
+are removed from the kernel export tables, and the file is cleared. This
+effectively shuts down all NFS activity.
+.PP
+To remove an export, specify a
+.I host:/path
+pair. This deletes the specified entry from
+.I /var/lib/nfs/etab
+and removes the corresponding kernel entry (if any).
+.PP
+.SS Dumping the Export Table
+Invoking
+.B exportfs
+without options shows the current list of exported file systems.
+Adding the
+.B -v
+option causes
+.B exportfs
+to display the export options for each export.
+.SH EXAMPLES
+The following adds all directories listed in
+.I /etc/exports
+and files under
+.I /etc/exports.d
+to
+.I /var/lib/nfs/etab
+and pushes the resulting export entries into the kernel:
+.PP
+.nf
+.B "# exportfs -a
+.fi
+.PP
+To export the
+.I /usr/tmp
+directory to host
+.BR django ,
+allowing insecure file locking requests from clients:
+.PP
+.nf
+.B "# exportfs -o insecure_locks django:/usr/tmp
+.fi
+.PP
+To unexport the
+.I /usr/tmp
+directory:
+.PP
+.nf
+.B "# exportfs -u django:/usr/tmp
+.fi
+.PP
+To unexport all exports listed in
+.IR /etc/exports 
+and files under
+.IR /etc/exports.d :
+.PP
+.nf
+.B "# exportfs -au
+.fi
+.PP
+To export the
+.I /usr/tmp
+directory to IPv6 link-local clients:
+.PP
+.nf
+.B "# exportfs [fe80::]/64:/usr/tmp
+.fi
+.SH USAGE NOTES
+Exporting to IP networks or DNS and NIS domains does not enable clients
+from these groups to access NFS immediately.
+Rather, these sorts of exports are hints to
+.BR rpc.mountd (8)
+to grant any mount requests from these clients.
+This is usually not a problem, because any existing mounts are preserved in
+.I rmtab
+across reboots.
+.PP
+When unexporting a network or domain entry, any current exports to members
+of this group will be checked against the remaining valid exports and
+if they themselves are no longer valid they will be removed.
+.SH FILES
+.TP 2.5i
+.I /etc/exports
+input file listing exports, export options, and access control lists
+.TP 2.5i
+.I /etc/exports.d
+directory where extra input files are stored.
+.B Note:
+only files that end with 
+.I .exports
+are used.
+.TP 2.5i
+.I /var/lib/nfs/etab
+master table of exports
+.TP 2.5i
+.I /var/lib/nfs/rmtab
+table of clients accessing server's exports
+.SH SEE ALSO
+.BR exports (5),
+.BR nfs.conf (5),
+.BR rpc.mountd (8),
+.BR exportd (8),
+.BR netgroup (5)
+.SH AUTHORS
+Olaf Kirch <okir@monad.swb.de>
+.br
+Neil Brown <neilb@cse.unsw.edu.au>
diff --git a/utils/exportfs/exports.man b/utils/exportfs/exports.man
new file mode 100644
index 0000000..b758277
--- /dev/null
+++ b/utils/exportfs/exports.man
@@ -0,0 +1,678 @@
+.\"@(#)exports.5"
+.\"
+.TH exports 5 "31 December 2009"
+.SH NAME
+exports \- NFS server export table
+.SH DESCRIPTION
+The file
+.I /etc/exports
+contains a table of local physical file systems on an NFS server
+that are accessible to NFS clients.
+The contents of the file are maintained by the server's system
+administrator.
+.PP
+Each file system in this table has a list of options and an
+access control list.
+The table is used by
+.BR exportfs (8)
+to give information to
+.BR mountd (8).
+.PP
+The file format is similar to the SunOS
+.I exports
+file. Each line contains an export point and a whitespace-separated list
+of clients allowed to mount the file system at that point. Each listed
+client may be immediately followed by a parenthesized, comma-separated
+list of export options for that client. No whitespace is permitted
+between a client and its option list.
+.PP
+Also, each line may have one or more specifications for default options
+after the path name, in the form of a dash ("\-") followed by an option
+list. The option list is used for all subsequent exports on that line
+only.
+.PP
+Blank lines are ignored.  A pound sign ("#") introduces a comment to the
+end of the line. Entries may be continued across newlines using a
+backslash. If an export name contains spaces it should be quoted using
+double quotes. You can also specify spaces or other unusual character in
+the export name using a backslash followed by the character code as three
+octal digits.
+.PP
+To apply changes to this file, run
+.BR "exportfs \-ra"
+or restart the NFS server.
+.PP
+.SS Machine Name Formats
+NFS clients may be specified in a number of ways:
+.IP "single host
+You may specify a host either by an
+abbreviated name recognized be the resolver, the fully qualified domain
+name, an IPv4 address, or an IPv6 address. IPv6 addresses must not be
+inside square brackets in /etc/exports lest they be confused with
+character-class wildcard matches.
+.IP "IP networks
+You can also export directories to all hosts on an IP (sub-) network
+simultaneously. This is done by specifying an IP address and netmask pair
+as
+.IR address/netmask
+where the netmask can be specified in dotted-decimal format, or as a
+contiguous mask length.
+For example, either `/255.255.252.0' or `/22' appended
+to the network base IPv4 address results in identical subnetworks with 10 bits
+of host. IPv6 addresses must use a contiguous mask length and must not be inside square brackets to avoid confusion with character-class wildcards. Wildcard characters generally do not work on IP addresses, though they
+may work by accident when reverse DNS lookups fail.
+.IP "wildcards
+Machine names may contain the wildcard characters \fI*\fR and \fI?\fR, or may contain character class lists within [square brackets].
+This can be used to make the \fIexports\fR file more compact; for instance,
+\fI*.cs.foo.edu\fR matches all hosts in the domain
+\fIcs.foo.edu\fR.  As these characters also match the dots in a domain
+name, the given pattern will also match all hosts within any subdomain
+of \fIcs.foo.edu\fR.
+.IP "netgroups
+NIS netgroups may be given as
+.IR @group .
+Only the host part of each
+netgroup members is consider in checking for membership.  Empty host
+parts or those containing a single dash (\-) are ignored.
+.IP "anonymous
+This is specified by a single
+.I *
+character (not to be confused with the
+.I wildcard
+entry above) and will match all clients.
+.\".TP
+.\".B =public
+.\"This is a special ``hostname'' that identifies the given directory name
+.\"as the public root directory (see the section on WebNFS in
+.\".BR nfsd (8)
+.\"for a discussion of WebNFS and the public root handle). When using this
+.\"convention,
+.\".B =public
+.\"must be the only entry on this line, and must have no export options
+.\"associated with it. Note that this does
+.\".I not
+.\"actually export the named directory; you still have to set the exports
+.\"options in a separate entry.
+.\".PP
+.\"The public root path can also be specified by invoking
+.\".I nfsd
+.\"with the
+.\".B \-\-public\-root
+.\"option. Multiple specifications of a public root will be ignored.
+.PP
+If a client matches more than one of the specifications above, then
+the first match from the above list order takes precedence - regardless of
+the order they appear on the export line. However, if a client matches
+more than one of the same type of specification (e.g. two netgroups),
+then the first match from the order they appear on the export line takes
+precedence.
+.SS RPCSEC_GSS security
+You may use the special strings "gss/krb5", "gss/krb5i", or "gss/krb5p"
+to restrict access to clients using rpcsec_gss security.  However, this
+syntax is deprecated; on linux kernels since 2.6.23, you should instead
+use the "sec=" export option:
+.TP
+.IR sec=
+The sec= option, followed by a colon-delimited list of security flavors,
+restricts the export to clients using those flavors.  Available security
+flavors include sys (the default--no cryptographic security), krb5
+(authentication only), krb5i (integrity protection), and krb5p (privacy
+protection).  For the purposes of security flavor negotiation, order
+counts: preferred flavors should be listed first.  The order of the sec=
+option with respect to the other options does not matter, unless you
+want some options to be enforced differently depending on flavor.
+In that case you may include multiple sec= options, and following options
+will be enforced only for access using flavors listed in the immediately
+preceding sec= option.  The only options that are permitted to vary in
+this way are ro, rw, no_root_squash, root_squash, and all_squash.
+.SS Transport layer security
+The Linux NFS server allows the use of RPC-with-TLS (RFC 9289) to
+protect RPC traffic between itself and its clients.
+Alternately, administrators can secure NFS traffic using a VPN,
+or an ssh tunnel or similar mechanism, in a way that is transparent
+to the server.
+.PP
+To enable the use of RPC-with-TLS, the server's administrator must
+install and configure
+.BR tlshd
+to handle transport layer security handshake requests from the local
+kernel.
+Clients can then choose to use RPC-with-TLS or they may continue
+operating without it.
+.PP
+Administrators may require the use of RPC-with-TLS to protect access
+to individual exports.
+This is particularly useful when using non-cryptographic security
+flavors such as
+.IR sec=sys .
+The
+.I xprtsec=
+option, followed by an unordered colon-delimited list of security policies,
+can restrict access to the export to only clients that have negotiated
+transport-layer security.
+Currently supported transport layer security policies include:
+.TP
+.IR none
+The server permits clients to access the export
+without the use of transport layer security.
+.TP
+.IR tls
+The server permits clients that have negotiated an RPC-with-TLS session
+without peer authentication (confidentiality only) to access the export.
+Clients are not required to offer an x.509 certificate
+when establishing a transport layer security session.
+.TP
+.IR mtls
+The server permits clients that have negotiated an RPC-with-TLS session
+with peer authentication to access the export.
+The server requires clients to offer an x.509 certificate
+when establishing a transport layer security session.
+.PP
+If RPC-with-TLS is configured and enabled and the
+.I xprtsec=
+option is not specified, the default setting for an export is
+.IR xprtsec=none:tls:mtls .
+With this setting, the server permits clients to use any transport
+layer security mechanism or none at all to access the export.
+.SS General Options
+.BR exportfs
+understands the following export options:
+.TP
+.IR secure
+This option requires that requests not using gss originate on an
+Internet port less than IPPORT_RESERVED (1024). This option is on by default.
+To turn it off, specify
+.IR insecure .
+(NOTE: older kernels (before upstream kernel version 4.17) enforced this
+requirement on gss requests as well.)
+.TP
+.IR rw
+Allow both read and write requests on this NFS volume. The
+default is to disallow any request which changes the filesystem.
+This can also be made explicit by using
+the
+.IR ro " option.
+.TP
+.IR async
+This option allows the NFS server to violate the NFS protocol and
+reply to requests before any changes made by that request have been
+committed to stable storage (e.g. disc drive).
+
+Using this option usually improves performance, but at the cost that
+an unclean server restart (i.e. a crash) can cause data to be lost or
+corrupted.
+
+.TP
+.IR sync
+Reply to requests only after the changes have been committed to stable
+storage (see
+.IR async
+above).
+
+In releases of nfs-utils up to and including 1.0.0, the
+.I async 
+option was the
+default.  In all releases after 1.0.0,
+.I sync
+is the default, and
+.I async
+must be explicitly requested if needed.
+.TP
+.IR no_wdelay
+This option has no effect if
+.I async
+is also set.  The NFS server will normally delay committing a write request
+to disc slightly if it suspects that another related write request may be in
+progress or may arrive soon.  This allows multiple write requests to
+be committed to disc with the one operation which can improve
+performance.  If an NFS server received mainly small unrelated
+requests, this behaviour could actually reduce performance, so
+.IR no_wdelay
+is available to turn it off.
+The default can be explicitly requested with the
+.IR wdelay " option.
+.TP
+.IR nohide
+This option is based on the option of the same name provided in IRIX
+NFS.  Normally, if a server exports two filesystems one of which is
+mounted on the other, then the client will have to mount both
+filesystems explicitly to get access to them.  If it just mounts the
+parent, it will see an empty directory at the place where the other
+filesystem is mounted.  That filesystem is "hidden".
+
+Setting the
+.I nohide
+option on a filesystem causes it not to be hidden, and an
+appropriately authorised client will be able to move from the parent to
+that filesystem without noticing the change.
+
+However, some NFS clients do not cope well with this situation as, for
+instance, it is then possible for two files in the one apparent
+filesystem to have the same inode number.
+
+The
+.I nohide
+option is currently only effective on
+.I "single host
+exports.  It does not work reliably with netgroup, subnet, or wildcard
+exports.
+
+This option can be very useful in some situations, but it should be
+used with due care, and only after confirming that the client system
+copes with the situation effectively.
+
+The option can be explicitly disabled for NFSv2 and NFSv3 with
+.IR hide .
+
+This option is not relevant when NFSv4 is use.  NFSv4 never hides
+subordinate filesystems.  Any filesystem that is exported will be
+visible where expected when using NFSv4.
+.TP
+.I crossmnt
+This option is similar to
+.I nohide
+but it makes it possible for clients to access all filesystems mounted
+on a filesystem marked with
+.IR crossmnt .
+Thus when a child filesystem "B" is mounted on a parent "A", setting
+crossmnt on "A" has a similar effect to setting "nohide" on B.
+
+With
+.I nohide
+the child filesystem needs to be explicitly exported.  With
+.I crossmnt
+it need not.  If a child of a
+.I crossmnt
+file is not explicitly exported, then it will be implicitly exported
+with the same export options as the parent, except for
+.IR fsid= .
+This makes it impossible to
+.B not
+export a child of a
+.I crossmnt
+filesystem.  If some but not all subordinate filesystems of a parent
+are to be exported, then they must be explicitly exported and the
+parent should not have
+.I crossmnt
+set.
+
+The
+.I nocrossmnt
+option can explictly disable
+.I crossmnt
+if it was previously set.  This is rarely useful.
+.TP
+.IR no_subtree_check
+This option disables subtree checking, which has mild security
+implications, but can improve reliability in some circumstances.
+
+If a subdirectory of a filesystem is exported, but the whole
+filesystem isn't then whenever a NFS request arrives, the server must
+check not only that the accessed file is in the appropriate filesystem
+(which is easy) but also that it is in the exported tree (which is
+harder). This check is called the
+.IR subtree_check .
+
+In order to perform this check, the server must include some
+information about the location of the file in the "filehandle" that is
+given to the client.  This can cause problems with accessing files that
+are renamed while a client has them open (though in many simple cases
+it will still work).
+
+subtree checking is also used to make sure that files inside
+directories to which only root has access can only be accessed if the
+filesystem is exported with
+.I no_root_squash
+(see below), even if the file itself allows more general access.
+
+As a general guide, a home directory filesystem, which is normally
+exported at the root and may see lots of file renames, should be
+exported with subtree checking disabled.  A filesystem which is mostly
+readonly, and at least doesn't see many file renames (e.g. /usr or
+/var) and for which subdirectories may be exported, should probably be
+exported with subtree checks enabled.
+
+The default of having subtree checks enabled, can be explicitly
+requested with
+.IR subtree_check .
+
+From release 1.1.0 of nfs-utils onwards, the default will be
+.I no_subtree_check
+as subtree_checking tends to cause more problems than it is worth.
+If you genuinely require subtree checking, you should explicitly put
+that option in the
+.B exports
+file.  If you put neither option,
+.B exportfs
+will warn you that the change is pending.
+
+.TP
+.IR insecure_locks
+.TP
+.IR no_auth_nlm
+This option (the two names are synonymous) tells the NFS server not to require authentication of
+locking requests (i.e. requests which use the NLM protocol).  Normally
+the NFS server will require a lock request to hold a credential for a
+user who has read access to the file.  With this flag no access checks
+will be performed.
+
+Early NFS client implementations did not send credentials with lock
+requests, and many current NFS clients still exist which are based on
+the old implementations.  Use this flag if you find that you can only
+lock files which are world readable.
+
+The default behaviour of requiring authentication for NLM requests can
+be explicitly requested with either of the synonymous
+.IR auth_nlm ,
+or
+.IR secure_locks .
+.\".TP
+.\".I noaccess
+.\"This makes everything below the directory inaccessible for the named
+.\"client.  This is useful when you want to export a directory hierarchy to
+.\"a client, but exclude certain subdirectories. The client's view of a
+.\"directory flagged with noaccess is very limited; it is allowed to read
+.\"its attributes, and lookup `.' and `..'. These are also the only entries
+.\"returned by a readdir.
+.\".TP
+.\".IR link_relative
+.\"Convert absolute symbolic links (where the link contents start with a
+.\"slash) into relative links by prepending the necessary number of ../'s
+.\"to get from the directory containing the link to the root on the
+.\"server.  This has subtle, perhaps questionable, semantics when the file
+.\"hierarchy is not mounted at its root.
+.\".TP
+.\".IR link_absolute
+.\"Leave all symbolic link as they are. This is the default operation.
+
+.TP
+.IR mountpoint= path
+.TP
+.I mp
+This option makes it possible to only export a directory if it has
+successfully been mounted.
+If no path is given (e.g.
+.IR mountpoint " or " mp )
+then the export point must also be a mount point.  If it isn't then
+the export point is not exported.  This allows you to be sure that the
+directory underneath a mountpoint will never be exported by accident
+if, for example, the filesystem failed to mount due to a disc error.
+
+If a path is given (e.g.
+.IR mountpoint= "/path or " mp= /path)
+then the nominated path must be a mountpoint for the exportpoint to be
+exported.
+
+.TP
+.IR fsid= num|root|uuid
+NFS needs to be able to identify each filesystem that it exports.
+Normally it will use a UUID for the filesystem (if the filesystem has
+such a thing) or the device number of the device holding the
+filesystem (if the filesystem is stored on the device).
+
+As not all filesystems are stored on devices, and not all filesystems
+have UUIDs, it is sometimes necessary to explicitly tell NFS how to
+identify a filesystem.  This is done with the
+.I fsid=
+option.
+
+For NFSv4, there is a distinguished filesystem which is the root of
+all exported filesystem.  This is specified with
+.I fsid=root
+or
+.I fsid=0
+both of which mean exactly the same thing.
+
+Other filesystems can be identified with a small integer, or a UUID
+which should contain 32 hex digits and arbitrary punctuation.
+
+Linux kernels version 2.6.20 and earlier do not understand the UUID
+setting so a small integer must be used if an fsid option needs to be
+set for such kernels.  Setting both a small number and a UUID is
+supported so the same configuration can be made to work on old and new
+kernels alike.
+
+.TP
+.IR nordirplus
+This option will disable READDIRPLUS request handling.  When set,
+READDIRPLUS requests from NFS clients return NFS3ERR_NOTSUPP, and
+clients fall back on READDIR.  This option affects only NFSv3 clients.
+.TP
+.IR refer= path@host[+host][:path@host[+host]]
+A client referencing the export point will be directed to choose from
+the given list an alternative location for the filesystem.
+(Note that the server must have a mountpoint here, though a different
+filesystem is not required; so, for example,
+.IR "mount --bind" " /path /path"
+is sufficient.)
+.TP
+.IR replicas= path@host[+host][:path@host[+host]]
+If the client asks for alternative locations for the export point, it
+will be given this list of alternatives. (Note that actual replication
+of the filesystem must be handled elsewhere.)
+
+.TP
+.IR pnfs
+This option enables the use of the pNFS extension if the protocol level
+is NFSv4.1 or higher, and the filesystem supports pNFS exports.  With
+pNFS clients can bypass the server and perform I/O directly to storage
+devices. The default can be explicitly requested with the
+.I no_pnfs
+option.
+
+.TP
+.IR security_label
+With this option set, clients using NFSv4.2 or higher will be able to
+set and retrieve security labels (such as those used by SELinux).  This
+will only work if all clients use a consistent security policy.  Note
+that early kernels did not support this export option, and instead
+enabled security labels by default.
+
+.TP
+.IR reexport= auto-fsidnum|predefined-fsidnum
+This option helps when a NFS share is re-exported. Since the NFS server
+needs a unique identifier for each exported filesystem and a NFS share
+cannot provide such, usually a manual fsid is needed.
+As soon
+.IR crossmnt
+is used manually assigning fsid won't work anymore. This is where this
+option becomes handy. It will automatically assign a numerical fsid
+to exported NFS shares. The fsid and path relations are stored in a SQLite
+database. If
+.IR auto-fsidnum
+is selected, the fsid is also autmatically allocated.
+.IR predefined-fsidnum
+assumes pre-allocated fsid numbers and will just look them up.
+This option depends also on the kernel, you will need at least kernel version
+5.19.
+Since
+.IR reexport=
+can automatically allocate and assign numerical fsids, it is no longer possible
+to have numerical fsids in other exports as soon this option is used in at least
+one export entry.
+
+The association between fsid numbers and paths is stored in a SQLite database.
+Don't edit or remove the database unless you know exactly what you're doing.
+.IR predefined-fsidnum
+is useful when you have used
+.IR auto-fsidnum
+before and don't want further entries stored.
+
+
+.SS User ID Mapping
+.PP
+.B nfsd
+bases its access control to files on the server machine on the uid and
+gid provided in each NFS RPC request. The normal behavior a user would
+expect is that she can access her files on the server just as she would
+on a normal file system. This requires that the same uids and gids are
+used on the client and the server machine. This is not always true, nor
+is it always desirable.
+.PP
+Very often, it is not desirable that the root user on a client machine
+is also treated as root when accessing files on the NFS server. To this
+end, uid 0 is normally mapped to a different id: the so-called
+anonymous or
+.I nobody
+uid. This mode of operation (called `root squashing') is the default,
+and can be turned off with
+.IR no_root_squash .
+.PP
+By default,
+.\".B nfsd
+.\"tries to obtain the anonymous uid and gid by looking up user
+.\".I nobody
+.\"in the password file at startup time. If it isn't found, a uid and gid
+.B exportfs
+chooses a uid and gid
+of 65534 for squashed access. These values can also be overridden by
+the
+.IR anonuid " and " anongid
+options.
+.\".PP
+.\"In addition to this,
+.\".B nfsd
+.\"lets you specify arbitrary uids and gids that should be mapped to user
+.\"nobody as well.
+Finally, you can map all user requests to the
+anonymous uid by specifying the
+.IR all_squash " option.
+.PP
+Here's the complete list of mapping options:
+.TP
+.IR root_squash
+Map requests from uid/gid 0 to the anonymous uid/gid. Note that this does
+not apply to any other uids or gids that might be equally sensitive, such as
+user
+.IR bin
+or group
+.IR staff .
+.TP
+.IR no_root_squash
+Turn off root squashing. This option is mainly useful for diskless clients.
+.TP
+.IR all_squash
+Map all uids and gids to the anonymous user. Useful for NFS-exported
+public FTP directories, news spool directories, etc. The opposite option
+is
+.IR no_all_squash ,
+which is the default setting.
+.TP
+.IR anonuid " and " anongid
+These options explicitly set the uid and gid of the anonymous account.
+This option is primarily useful for PC/NFS clients, where you might want
+all requests appear to be from one user. As an example, consider the
+export entry for
+.B /home/joe
+in the example section below, which maps all requests to uid 150 (which
+is supposedly that of user joe).
+
+.SS Subdirectory Exports
+
+Normally you should only export only the root of a filesystem.  The NFS
+server will also allow you to export a subdirectory of a filesystem,
+however, this has drawbacks:
+
+First, it may be possible for a malicious user to access files on the
+filesystem outside of the exported subdirectory, by guessing filehandles
+for those other files.  The only way to prevent this is by using the
+.IR no_subtree_check
+option, which can cause other problems.
+
+Second, export options may not be enforced in the way that you would
+expect.  For example, the
+.IR security_label
+option will not work on subdirectory exports, and if nested subdirectory
+exports change the
+.IR security_label
+or
+.IR sec=
+options, NFSv4 clients will normally see only the options on the parent
+export.  Also, where security options differ, a malicious client may use
+filehandle-guessing attacks to access the files from one subdirectory
+using the options from another.
+
+
+.SS Extra Export Tables
+After reading 
+.I /etc/exports 
+.B exportfs
+reads files in the
+.I /etc/exports.d
+directory as extra export tables.  Only files ending in
+.I .exports
+are considered.  Files beginning with a dot are ignored.
+The format for extra export tables is the same as 
+.I /etc/exports
+.
+.IP
+.SH EXAMPLE
+.PP
+.nf
+.ta +3i
+# sample /etc/exports file
+/               master(rw) trusty(rw,no_root_squash)
+/projects       proj*.local.domain(rw)
+/usr            *.local.domain(ro) @trusted(rw)
+/home/joe       pc001(rw,all_squash,anonuid=150,anongid=100)
+/pub            *(ro,insecure,all_squash)
+/srv/www        \-sync,rw server @trusted @external(ro)
+/foo            2001:db8:9:e54::/64(rw) 192.0.2.0/24(rw)
+/build          buildhost[0-9].local.domain(rw)
+.\"/pub/private    (noaccess)
+.fi
+.PP
+The first line exports the entire filesystem to machines master and trusty.
+In addition to write access, all uid squashing is turned off for host
+trusty. The second and third entry show examples for wildcard hostnames
+and netgroups (this is the entry `@trusted'). The fourth line shows the
+entry for the PC/NFS client discussed above. Line 5 exports the
+public FTP directory to every host in the world, executing all requests
+under the nobody account. The
+.I insecure
+option in this entry also allows clients with NFS implementations that
+don't use a reserved port for NFS.
+The sixth line exports a directory read-write to the machine 'server'
+as well as the `@trusted' netgroup, and read-only to netgroup `@external',
+all three mounts with the `sync' option enabled. The seventh line exports
+a directory to both an IPv6 and an IPv4 subnet. The eighth line demonstrates
+a character class wildcard match.
+.\" The last line denies all NFS clients
+.\"access to the private directory.
+.\".SH CAVEATS
+.\"Unlike other NFS server implementations, this
+.\".B nfsd
+.\"allows you to export both a directory and a subdirectory thereof to
+.\"the same host, for instance
+.\".IR /usr " and " /usr/X11R6 .
+.\"In this case, the mount options of the most specific entry apply. For
+.\"instance, when a user on the client host accesses a file in
+.\".IR /usr/X11R6 ,
+.\"the mount options given in the
+.\".I /usr/X11R6
+.\"entry apply. This is also true when the latter is a wildcard or netgroup
+.\"entry.
+.SH FILES
+/etc/exports
+/etc/exports.d
+.SH SEE ALSO
+.BR exportfs (8),
+.BR netgroup (5),
+.BR mountd (8),
+.BR nfsd (8),
+.BR showmount (8),
+.BR tlshd (8).
+.\".SH DIAGNOSTICS
+.\"An error parsing the file is reported using syslogd(8) as level NOTICE from
+.\"a DAEMON whenever
+.\".BR nfsd (8)
+.\"or
+.\".BR mountd (8)
+.\"is started up.  Any unknown
+.\"host is reported at that time, but often not all hosts are not yet known
+.\"to
+.\".BR named (8)
+.\"at boot time, thus as hosts are found they are reported
+.\"with the same
+.\".BR syslogd (8)
+.\"parameters.
diff --git a/utils/exportfs/nfsd.man b/utils/exportfs/nfsd.man
new file mode 100644
index 0000000..514153f
--- /dev/null
+++ b/utils/exportfs/nfsd.man
@@ -0,0 +1,214 @@
+.\"
+.\" nfsd(7) - The nfsd filesystem
+.\"
+.\" Copyright (C) 2003 Neil Brown <neilb@cse.unsw.edu.au>
+.\" Licensed for public use under the terms of the FSF
+.\" General Public License (GPL) version 2.
+.TH nfsd 7 "3 July 2003"
+.SH NAME
+nfsd \- special filesystem for controlling Linux NFS server
+.SH SYNPOSIS
+.B "mount -t nfsd nfsd /proc/fs/nfsd"
+.SH DESCRIPTION
+The
+.B nfsd
+filesystem is a special filesystem which provides access to the Linux
+NFS server.  Writing to files in this filesystem can affect the server.
+Reading from them can provide information about the server.
+.P
+As well as this filesystem, there are a collection of files in the
+.B procfs
+filesystem (normally mounted at
+.BR /proc )
+which are used to control the NFS server.
+This manual page describes all of these files.
+.P
+The
+.I exportfs
+and
+.I mountd
+programs (part of the nfs-utils package) expect to find this
+filesystem mounted at
+.B /proc/fs/nfsd
+or
+.BR /proc/fs/nfs .
+.SH DETAILS
+Files in the
+.B nfsd
+filesystem include:
+.TP
+.B exports
+This file contains a list of filesystems that are currently exported
+and clients that each filesystem is exported to, together with a list
+of export options for that client/filesystem pair.  This is similar
+to the
+.B /proc/fs/nfs/exports
+file in 2.4.
+One difference is that a client doesn't necessarily correspond to just
+one host.  It can respond to a large collection of hosts that are
+being treated identically.
+
+Each line of the file contains a path name, a client name, and a
+number of options in parentheses.  Any space, tab, newline or
+back-slash character in the path name or client name will be replaced
+by a backslash followed by the octal ASCII code for that character.
+
+.TP
+.B threads
+This file represents the number of
+.B nfsd
+thread currently running.  Reading it will show the number of
+threads.  Writing an ASCII decimal number will cause the number of
+threads to be changed (increased or decreased as necessary) to achieve
+that number.
+
+.TP
+.B filehandle
+This is a somewhat unusual file  in that what is read from it depends
+on what was just written to it.  It provides a transactional interface
+where a program can open the file, write a request, and read a
+response.  If two separate programs open, write, and read at the same
+time, their requests will not be mixed up.
+
+The request written to
+.B filehandle
+should be a client name, a path name, and a number of bytes.  This
+should be followed by a newline, with white-space separating the
+fields, and octal quoting of special characters.
+
+On writing this, the program will be able to read back a filehandle
+for that path as exported to the given client.  The filehandle's length
+will be at most the number of bytes given.
+
+The filehandle will be represented in hex with a leading '\ex'.
+
+.TP
+.B clients/
+This directory contains a subdirectory for each NFSv4 client.  Each file
+under that subdirectory gives some details about the client in YAML
+format.  In addition, writing "expire\\n" to the
+.B ctl
+file will force the server to immediately revoke all state held by that
+client.
+
+.PP
+The directory
+.B /proc/net/rpc
+in the
+.B procfs
+filesystem contains a number of files and directories.
+The files contain statistics that can be display using the
+.I nfsstat
+program.
+The directories contain information about various caches that the NFS
+server maintains to keep track of access permissions that different
+clients have for different filesystems.
+The caches are:
+
+.TP
+.B auth.unix.ip
+This cache contains a mapping from IP address to the name of the
+authentication domain that the ipaddress should be treated as part of.
+
+.TP
+.B nfsd.export
+This cache contains a mapping from directory and domain to export
+options.
+
+.TP
+.B nfsd.fh
+This cache contains a mapping from domain and a filesystem identifier
+to a directory.   The filesystem identifier is stored in the
+filehandles and consists of a number indicating the type of identifier
+and a number of hex bytes indicating the content of the identifier.
+
+.PP
+Each directory representing a cache can hold from 1 to 3 files.  They
+are:
+.TP
+.B flush
+When a number of seconds since epoch (1 Jan 1970) is written to this
+file, all entries in the cache that were last updated before that file
+become invalidated and will be flushed out.  Writing a time in the
+future (in seconds since epoch) will flush
+everything.  This is the only file that will always be present.
+
+.TP
+.B content
+This file, if present, contains a textual representation of ever entry
+in the cache, one per line.  If an entry is still in the cache
+(because it is actively being used) but has expired or is otherwise
+invalid, it will be presented as a comment (with a leading hash
+character).
+
+.TP
+.B channel
+This file, if present, acts a channel for request from the kernel-based
+nfs server to be passed to a user-space program for handling.
+
+When the kernel needs some information which isn't in the cache, it
+makes a line appear in the
+.B channel
+file giving the key for the information.  A user-space program should
+read this, find the answer, and write a line containing the key, an
+expiry time, and the content.
+For example the kernel might make
+.ti +5
+nfsd 127.0.0.1
+.br
+appear in the
+.B auth.unix.ip/content
+file.  The user-space program might then write
+.ti +5
+nfsd 127.0.0.1 1057206953 localhost
+.br
+to indicate that 127.0.0.1 should map to localhost, at least for now.
+
+If the program uses select(2) or poll(2) to discover if it can read
+from the
+.B channel
+then it will never see and end-of-file but when all requests have been
+answered, it will block until another request appears.
+
+.PP
+In the
+.B /proc
+filesystem there are 4 files that can be used to enabled extra tracing
+of nfsd and related code.  They are:
+.in +5
+.B /proc/sys/sunrpc/nfs_debug
+.br
+.B /proc/sys/sunrpc/nfsd_debug
+.br
+.B /proc/sys/sunrpc/nlm_debug
+.br
+.B /proc/sys/sunrpc/rpc_debug
+.br
+.in -5
+They control tracing for the NFS client, the NFS server, the Network
+Lock Manager (lockd) and the underlying RPC layer respectively.
+Decimal numbers can be read from or written to these files.  Each
+number represents a bit-pattern where bits that are set cause certain
+classes of tracing to be enabled.  Consult the kernel header files to
+find out what number correspond to what tracing.
+
+.SH NOTES
+This file system is only available in Linux 2.6 and later series
+kernels (and in the later parts of the 2.5 development series leading
+up to 2.6).  This man page does not apply to 2.4 and earlier.
+.P
+Previously the nfsctl systemcall was used for communication between nfsd
+and user utilities.  That systemcall was removed in kernel version 3.1.
+Older nfs-utils versions were able to fall back to nfsctl if necessary;
+that was removed from nfs-utils 1.3.5.
+
+.SH SEE ALSO
+.BR nfsd (8),
+.BR rpc.nfsd (8),
+.BR exports (5),
+.BR nfsstat (8),
+.BR mountd (8)
+.BR exportfs (8).
+
+.SH AUTHOR
+NeilBrown
diff --git a/utils/gssd/.gitignore b/utils/gssd/.gitignore
new file mode 100644
index 0000000..aba7b13
--- /dev/null
+++ b/utils/gssd/.gitignore
@@ -0,0 +1,3 @@
+gss_clnt_send_err
+gssd
+svcgssd
diff --git a/utils/gssd/Makefile.am b/utils/gssd/Makefile.am
new file mode 100644
index 0000000..21d3bb8
--- /dev/null
+++ b/utils/gssd/Makefile.am
@@ -0,0 +1,130 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= gssd.man
+if CONFIG_SVCGSS
+man8_MANS	+= svcgssd.man
+endif
+
+AM_CPPFLAGS += -I ../../support/nfsidmap
+
+RPCPREFIX	= rpc.
+KPREFIX		= @kprefix@
+sbin_PREFIXED	= gssd
+if CONFIG_SVCGSS
+sbin_PREFIXED	+= svcgssd
+endif
+
+sbin_PROGRAMS	= $(sbin_PREFIXED)
+
+EXTRA_DIST = \
+	$(man8_MANS)
+
+COMMON_SRCS = \
+	context.c \
+	context_mit.c \
+	context_heimdal.c \
+	context_lucid.c \
+	gss_util.c \
+	gss_oids.c \
+	gss_names.c \
+	err_util.c \
+	\
+	context.h \
+	err_util.h \
+	gss_oids.h \
+	gss_names.h \
+	gss_util.h
+
+gssd_SOURCES = \
+	$(COMMON_SRCS) \
+	gssd.c \
+	gssd_proc.c \
+	krb5_util.c \
+	\
+	gssd.h \
+	krb5_util.h \
+	write_bytes.h
+
+gssd_LDADD = \
+	../../support/nfs/libnfs.la \
+	$(LIBEVENT) \
+	$(RPCSECGSS_LIBS) \
+	$(KRBLIBS) \
+	$(GSSAPI_LIBS) \
+	$(LIBTIRPC) \
+	$(LIBPTHREAD)
+
+gssd_LDFLAGS = \
+	$(KRBLDFLAGS)
+
+gssd_CFLAGS = \
+	$(AM_CFLAGS) \
+	$(CFLAGS) \
+	$(RPCSECGSS_CFLAGS) \
+	$(KRBCFLAGS) \
+	$(GSSAPI_CFLAGS)
+
+svcgssd_SOURCES = \
+	$(COMMON_SRCS) \
+	svcgssd.c \
+	svcgssd_mech2file.c \
+	svcgssd_proc.c \
+	svcgssd_krb5.c \
+	\
+	svcgssd_krb5.h \
+	svcgssd.h
+
+svcgssd_LDADD = \
+	../../support/nfs/libnfs.la \
+	../../support/nfsidmap/libnfsidmap.la \
+	$(LIBEVENT) \
+	$(RPCSECGSS_LIBS) \
+	$(KRBLIBS) $(GSSAPI_LIBS) $(LIBTIRPC)
+
+svcgssd_LDFLAGS = $(KRBLDFLAGS)
+
+svcgssd_CFLAGS = $(AM_CFLAGS) $(CFLAGS) \
+		 $(RPCSECGSS_CFLAGS) $(KRBCFLAGS) $(GSSAPI_CFLAGS)
+
+MAINTAINERCLEANFILES = Makefile.in
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PREFIXED); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PREFIXED); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
diff --git a/utils/gssd/Makefile.in b/utils/gssd/Makefile.in
new file mode 100644
index 0000000..75d69c3
--- /dev/null
+++ b/utils/gssd/Makefile.in
@@ -0,0 +1,1356 @@
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+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
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+# This Makefile.in is free software; the Free Software Foundation
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+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
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+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/gssd-context.Po
+	-rm -f ./$(DEPDIR)/gssd-context_heimdal.Po
+	-rm -f ./$(DEPDIR)/gssd-context_lucid.Po
+	-rm -f ./$(DEPDIR)/gssd-context_mit.Po
+	-rm -f ./$(DEPDIR)/gssd-err_util.Po
+	-rm -f ./$(DEPDIR)/gssd-gss_names.Po
+	-rm -f ./$(DEPDIR)/gssd-gss_oids.Po
+	-rm -f ./$(DEPDIR)/gssd-gss_util.Po
+	-rm -f ./$(DEPDIR)/gssd-gssd.Po
+	-rm -f ./$(DEPDIR)/gssd-gssd_proc.Po
+	-rm -f ./$(DEPDIR)/gssd-krb5_util.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context_heimdal.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context_lucid.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context_mit.Po
+	-rm -f ./$(DEPDIR)/svcgssd-err_util.Po
+	-rm -f ./$(DEPDIR)/svcgssd-gss_names.Po
+	-rm -f ./$(DEPDIR)/svcgssd-gss_oids.Po
+	-rm -f ./$(DEPDIR)/svcgssd-gss_util.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd_krb5.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd_mech2file.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd_proc.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) install-exec-hook
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/gssd-context.Po
+	-rm -f ./$(DEPDIR)/gssd-context_heimdal.Po
+	-rm -f ./$(DEPDIR)/gssd-context_lucid.Po
+	-rm -f ./$(DEPDIR)/gssd-context_mit.Po
+	-rm -f ./$(DEPDIR)/gssd-err_util.Po
+	-rm -f ./$(DEPDIR)/gssd-gss_names.Po
+	-rm -f ./$(DEPDIR)/gssd-gss_oids.Po
+	-rm -f ./$(DEPDIR)/gssd-gss_util.Po
+	-rm -f ./$(DEPDIR)/gssd-gssd.Po
+	-rm -f ./$(DEPDIR)/gssd-gssd_proc.Po
+	-rm -f ./$(DEPDIR)/gssd-krb5_util.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context_heimdal.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context_lucid.Po
+	-rm -f ./$(DEPDIR)/svcgssd-context_mit.Po
+	-rm -f ./$(DEPDIR)/svcgssd-err_util.Po
+	-rm -f ./$(DEPDIR)/svcgssd-gss_names.Po
+	-rm -f ./$(DEPDIR)/svcgssd-gss_oids.Po
+	-rm -f ./$(DEPDIR)/svcgssd-gss_util.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd_krb5.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd_mech2file.Po
+	-rm -f ./$(DEPDIR)/svcgssd-svcgssd_proc.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) uninstall-hook
+.MAKE: install-am install-exec-am install-strip uninstall-am
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-exec-hook install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-hook \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PREFIXED); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PREFIXED); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/gssd/context.c b/utils/gssd/context.c
new file mode 100644
index 0000000..7757a77
--- /dev/null
+++ b/utils/gssd/context.c
@@ -0,0 +1,59 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <syslog.h>
+#include <string.h>
+#include <gssapi/gssapi.h>
+#include <rpc/rpc.h>
+#include <rpc/auth_gss.h>
+#include "gss_util.h"
+#include "gss_oids.h"
+#include "err_util.h"
+#include "context.h"
+
+int
+serialize_context_for_kernel(gss_ctx_id_t *ctx,
+			     gss_buffer_desc *buf,
+			     gss_OID mech,
+			     int32_t *endtime)
+{
+	if (g_OID_equal(&krb5oid, mech))
+		return serialize_krb5_ctx(ctx, buf, endtime);
+	else {
+		printerr(0, "ERROR: attempting to serialize context with "
+				"unknown/unsupported mechanism oid\n");
+		return -1;
+	}
+}
diff --git a/utils/gssd/context.h b/utils/gssd/context.h
new file mode 100644
index 0000000..3b55c8e
--- /dev/null
+++ b/utils/gssd/context.h
@@ -0,0 +1,49 @@
+/*
+  Copyright (c) 2004,2008 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _CONTEXT_H_
+#define _CONTEXT_H_
+
+#include <rpc/rpc.h>
+
+/* Hopefully big enough to hold any serialized context */
+#define MAX_CTX_LEN 4096
+
+/* New context format flag values */
+#define KRB5_CTX_FLAG_INITIATOR         0x00000001
+#define KRB5_CTX_FLAG_CFX               0x00000002
+#define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY   0x00000004
+
+int serialize_context_for_kernel(gss_ctx_id_t *ctx, gss_buffer_desc *buf,
+				 gss_OID mech, int32_t *endtime);
+int serialize_krb5_ctx(gss_ctx_id_t *ctx, gss_buffer_desc *buf,
+		       int32_t *endtime);
+
+#endif /* _CONTEXT_H_ */
diff --git a/utils/gssd/context_heimdal.c b/utils/gssd/context_heimdal.c
new file mode 100644
index 0000000..d07103b
--- /dev/null
+++ b/utils/gssd/context_heimdal.c
@@ -0,0 +1,275 @@
+/*
+  Copyright (c) 2004-2006 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#ifndef HAVE_LUCID_CONTEXT_SUPPORT
+#ifdef HAVE_HEIMDAL
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <syslog.h>
+#include <string.h>
+#include <errno.h>
+#include <krb5.h>
+#include <gssapi.h>	/* Must use the heimdal copy! */
+#ifdef HAVE_COM_ERR_H
+#include <com_err.h>
+#endif
+#include "err_util.h"
+#include "gss_oids.h"
+#include "write_bytes.h"
+
+int write_heimdal_keyblock(char **p, char *end, krb5_keyblock *key)
+{
+	gss_buffer_desc tmp;
+	int code = -1;
+
+	if (WRITE_BYTES(p, end, key->keytype)) goto out_err;
+	tmp.length = key->keyvalue.length;
+	tmp.value = key->keyvalue.data;
+	if (write_buffer(p, end, &tmp)) goto out_err;
+	code = 0;
+    out_err:
+	return(code);
+}
+
+int write_heimdal_enc_key(char **p, char *end, gss_ctx_id_t ctx)
+{
+	krb5_keyblock enc_key, *key;
+	krb5_context context;
+	krb5_error_code ret;
+	int i;
+	char *skd, *dkd, *k5err = NULL;
+	int code = -1;
+
+	if ((ret = krb5_init_context(&context))) {
+		k5err = gssd_k5_err_msg(NULL, ret);
+		printerr(0, "ERROR: initializing krb5_context: %s\n", k5err);
+		goto out_err;
+	}
+
+	if ((ret = krb5_auth_con_getlocalsubkey(context,
+						ctx->auth_context, &key))){
+		k5err = gssd_k5_err_msg(context, ret);
+		printerr(0, "ERROR: getting auth_context key: %s\n", k5err);
+		goto out_err_free_context;
+	}
+
+	memset(&enc_key, 0, sizeof(enc_key));
+	enc_key.keytype = key->keytype;
+	/* XXX current kernel code only handles des-cbc-raw  (4) */
+	if (enc_key.keytype != 4) {
+		printerr(1, "WARN: write_heimdal_enc_key: "
+			    "overriding heimdal keytype (%d => %d)\n",
+			 enc_key.keytype, 4);
+		enc_key.keytype = 4;
+	}
+	enc_key.keyvalue.length = key->keyvalue.length;
+	if ((enc_key.keyvalue.data =
+				calloc(1, enc_key.keyvalue.length)) == NULL) {
+		k5err = gssd_k5_err_msg(context, ENOMEM);
+		printerr(0, "ERROR: allocating memory for enc key: %s\n",
+			 k5err);
+		goto out_err_free_key;
+	}
+	skd = (char *) key->keyvalue.data;
+	dkd = (char *) enc_key.keyvalue.data;
+	for (i = 0; i < enc_key.keyvalue.length; i++)
+		dkd[i] = skd[i] ^ 0xf0;
+	if (write_heimdal_keyblock(p, end, &enc_key)) {
+		goto out_err_free_enckey;
+	}
+
+	code = 0;
+
+    out_err_free_enckey:
+	krb5_free_keyblock_contents(context, &enc_key);
+    out_err_free_key:
+	krb5_free_keyblock(context, key);
+    out_err_free_context:
+	krb5_free_context(context);
+    out_err:
+	free(k5err);
+	printerr(2, "write_heimdal_enc_key: %s\n", code ? "FAILED" : "SUCCESS");
+	return(code);
+}
+
+int write_heimdal_seq_key(char **p, char *end, gss_ctx_id_t ctx)
+{
+	krb5_keyblock *key;
+	krb5_context context;
+	krb5_error_code ret;
+	char *k5err = NULL;
+	int code = -1;
+
+	if ((ret = krb5_init_context(&context))) {
+		k5err = gssd_k5_err_msg(NULL, ret);
+		printerr(0, "ERROR: initializing krb5_context: %s\n", k5err);
+		goto out_err;
+	}
+
+	if ((ret = krb5_auth_con_getlocalsubkey(context,
+						ctx->auth_context, &key))){
+		k5err = gssd_k5_err_msg(context, ret);
+		printerr(0, "ERROR: getting auth_context key: %s\n", k5err);
+		goto out_err_free_context;
+	}
+
+	/* XXX current kernel code only handles des-cbc-raw  (4) */
+	if (key->keytype != 4) {
+		printerr(1, "WARN: write_heimdal_seq_key: "
+			    "overriding heimdal keytype (%d => %d)\n",
+			 key->keytype, 4);
+		key->keytype = 4;
+	}
+
+	if (write_heimdal_keyblock(p, end, key)) {
+		goto out_err_free_key;
+	}
+
+	code = 0;
+
+    out_err_free_key:
+	krb5_free_keyblock(context, key);
+    out_err_free_context:
+	krb5_free_context(context);
+    out_err:
+	free(k5err);
+	printerr(2, "write_heimdal_seq_key: %s\n", code ? "FAILED" : "SUCCESS");
+	return(code);
+}
+
+/*
+ * The following is the kernel structure that we are filling in:
+ *
+ * struct krb5_ctx {
+ *         int                     initiate;
+ *         int                     seed_init;
+ *         unsigned char           seed[16];
+ *         int                     signalg;
+ *         int                     sealalg;
+ *         struct crypto_tfm       *enc;
+ *         struct crypto_tfm       *seq;
+ *         s32                     endtime;
+ *         u32                     seq_send;
+ *         struct xdr_netobj       mech_used;
+ * };
+ *
+ * However, note that we do not send the data fields in the
+ * order they appear in the structure.  The order they are
+ * sent down in is:
+ *
+ *	initiate
+ *	seed_init
+ *	seed
+ *	signalg
+ *	sealalg
+ *	endtime
+ *	seq_send
+ *	mech_used
+ *	enc key
+ *	seq key
+ *
+ */
+
+int
+serialize_krb5_ctx(gss_ctx_id_t *_ctx, gss_buffer_desc *buf, int32_t *endtime)
+{
+	gss_ctx_id_t ctx = *_ctx;
+	char *p, *end;
+	static int constant_one = 1;
+	static int constant_zero = 0;
+	unsigned char fakeseed[16];
+	uint32_t algorithm;
+
+	if (!(buf->value = calloc(1, MAX_CTX_LEN)))
+		goto out_err;
+	p = buf->value;
+	end = buf->value + MAX_CTX_LEN;
+
+
+	/* initiate:  1 => initiating 0 => accepting */
+	if (ctx->more_flags & LOCAL) {
+		if (WRITE_BYTES(&p, end, constant_one)) goto out_err;
+	}
+	else {
+		if (WRITE_BYTES(&p, end, constant_zero)) goto out_err;
+	}
+
+	/* seed_init: not used by kernel code */
+	if (WRITE_BYTES(&p, end, constant_zero)) goto out_err;
+
+	/* seed: not used by kernel code */
+	memset(&fakeseed, 0, sizeof(fakeseed));
+	if (write_bytes(&p, end, &fakeseed, 16)) goto out_err;
+
+	/* signalg */
+	algorithm = 0; /* SGN_ALG_DES_MAC_MD5	XXX */
+	if (WRITE_BYTES(&p, end, algorithm)) goto out_err;
+
+	/* sealalg */
+	algorithm = 0; /* SEAL_ALG_DES		XXX */
+	if (WRITE_BYTES(&p, end, algorithm)) goto out_err;
+
+	/* endtime */
+	if (WRITE_BYTES(&p, end, ctx->lifetime)) goto out_err;
+
+	if (endtime)
+		*endtime = ctx->lifetime;
+
+	/* seq_send */
+	if (WRITE_BYTES(&p, end, ctx->auth_context->local_seqnumber))
+		goto out_err;
+	/* mech_used */
+	if (write_buffer(&p, end, (gss_buffer_desc*)&krb5oid)) goto out_err;
+
+	/* enc: derive the encryption key and copy it into buffer */
+	if (write_heimdal_enc_key(&p, end, ctx)) goto out_err;
+
+	/* seq: get the sequence number key and copy it into buffer */
+	if (write_heimdal_seq_key(&p, end, ctx)) goto out_err;
+
+	buf->length = p - (char *)buf->value;
+	printerr(4, "serialize_krb5_ctx: returning buffer "
+		    "with %d bytes\n", buf->length);
+
+	return 0;
+out_err:
+	printerr(0, "ERROR: failed exporting Heimdal krb5 ctx to kernel\n");
+	if (buf->value) free(buf->value);
+	buf->length = 0;
+	return -1;
+}
+
+#endif	/* HAVE_HEIMDAL */
+#endif	/* HAVE_LUCID_CONTEXT_SUPPORT */
diff --git a/utils/gssd/context_lucid.c b/utils/gssd/context_lucid.c
new file mode 100644
index 0000000..5d77c21
--- /dev/null
+++ b/utils/gssd/context_lucid.c
@@ -0,0 +1,327 @@
+/*
+ * COPYRIGHT (c) 2006
+ * The Regents of the University of Michigan
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization.  If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#ifdef HAVE_LUCID_CONTEXT_SUPPORT
+
+/*
+ * Newer versions of MIT and Heimdal have lucid context support.
+ * We can use common code if it is supported.
+ */
+
+#include <stdio.h>
+#include <syslog.h>
+#include <string.h>
+#include <errno.h>
+
+#include <gssapi/gssapi_krb5.h>
+
+#include "gss_util.h"
+#include "gss_oids.h"
+#include "err_util.h"
+#include "context.h"
+
+#ifndef OM_uint64
+typedef uint64_t OM_uint64;
+#endif
+
+static int
+write_lucid_keyblock(char **p, char *end, gss_krb5_lucid_key_t *key)
+{
+	gss_buffer_desc tmp;
+
+	if (WRITE_BYTES(p, end, key->type)) return -1;
+	tmp.length = key->length;
+	tmp.value = key->data;
+	if (write_buffer(p, end, &tmp)) return -1;
+	return 0;
+}
+
+static int
+prepare_krb5_rfc1964_buffer(gss_krb5_lucid_context_v1_t *lctx,
+	gss_buffer_desc *buf, int32_t *endtime)
+{
+#define FAKESEED_SIZE 16
+	char *p, *end;
+	static int constant_zero = 0;
+	unsigned char fakeseed[FAKESEED_SIZE];
+	uint32_t word_send_seq;
+	gss_krb5_lucid_key_t enc_key;
+	uint32_t i;
+	char *skd, *dkd;
+	gss_buffer_desc fakeoid;
+	int err;
+
+	/*
+	 * The new Kerberos interface to get the gss context
+	 * does not include the seed or seed_init fields
+	 * because we never really use them.  But for now,
+	 * send down a fake buffer so we can use the same
+	 * interface to the kernel.
+	 */
+	memset(&enc_key, 0, sizeof(enc_key));
+	memset(&fakeoid, 0, sizeof(fakeoid));
+	memset(fakeseed, 0, FAKESEED_SIZE);
+
+	if (!(buf->value = calloc(1, MAX_CTX_LEN)))
+		goto out_err;
+	p = buf->value;
+	end = buf->value + MAX_CTX_LEN;
+
+	if (WRITE_BYTES(&p, end, lctx->initiate)) goto out_err;
+
+	/* seed_init and seed not used by kernel anyway */
+	if (WRITE_BYTES(&p, end, constant_zero)) goto out_err;
+	if (write_bytes(&p, end, &fakeseed, FAKESEED_SIZE)) goto out_err;
+
+	if (WRITE_BYTES(&p, end, lctx->rfc1964_kd.sign_alg)) goto out_err;
+	if (WRITE_BYTES(&p, end, lctx->rfc1964_kd.seal_alg)) goto out_err;
+	if (WRITE_BYTES(&p, end, lctx->endtime)) goto out_err;
+	if (endtime)
+		*endtime = lctx->endtime;
+	word_send_seq = lctx->send_seq;	/* XXX send_seq is 64-bit */
+	if (WRITE_BYTES(&p, end, word_send_seq)) goto out_err;
+	if (write_oid(&p, end, &krb5oid)) goto out_err;
+
+#ifdef HAVE_HEIMDAL
+	/*
+	 * The kernel gss code expects des-cbc-raw for all flavors of des.
+	 * The keytype from MIT has this type, but Heimdal does not.
+	 * Force the Heimdal keytype to 4 (des-cbc-raw).
+	 * Note that the rfc1964 version only supports DES enctypes.
+	 */
+	if (lctx->rfc1964_kd.ctx_key.type != 4) {
+		printerr(2, "%s: overriding heimdal keytype (%d => %d)\n",
+			 __FUNCTION__, lctx->rfc1964_kd.ctx_key.type, 4);
+		lctx->rfc1964_kd.ctx_key.type = 4;
+	}
+#endif
+	printerr(2, "%s: serializing keys with enctype %d and length %d\n",
+		 __FUNCTION__, lctx->rfc1964_kd.ctx_key.type,
+		 lctx->rfc1964_kd.ctx_key.length);
+
+	/* derive the encryption key and copy it into buffer */
+	enc_key.type = lctx->rfc1964_kd.ctx_key.type;
+	enc_key.length = lctx->rfc1964_kd.ctx_key.length;
+	if ((enc_key.data = calloc(1, enc_key.length)) == NULL)
+		goto out_err;
+	skd = (char *) lctx->rfc1964_kd.ctx_key.data;
+	dkd = (char *) enc_key.data;
+	for (i = 0; i < enc_key.length; i++)
+		dkd[i] = skd[i] ^ 0xf0;
+	err = write_lucid_keyblock(&p, end, &enc_key);
+	free(enc_key.data);
+	if (err)
+		goto out_err;
+
+	if (write_lucid_keyblock(&p, end, &lctx->rfc1964_kd.ctx_key))
+		goto out_err;
+
+	buf->length = p - (char *)buf->value;
+	return 0;
+out_err:
+	printerr(0, "ERROR: failed serializing krb5 context for kernel\n");
+	if (buf->value) free(buf->value);
+	buf->length = 0;
+	return -1;
+}
+
+/* Flags for version 2 context flags */
+#define KRB5_CTX_FLAG_INITIATOR		0x00000001
+#define KRB5_CTX_FLAG_CFX		0x00000002
+#define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY	0x00000004
+
+/*
+ * Prepare a new-style buffer, as defined in rfc4121 (a.k.a. cfx),
+ * to send to the kernel for newer encryption types -- or for DES3.
+ *
+ * The new format is:
+ *
+ *	u32 flags;
+ *	#define KRB5_CTX_FLAG_INITIATOR		0x00000001
+ *	#define KRB5_CTX_FLAG_CFX		0x00000002
+ *	#define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY	0x00000004
+ *	s32 endtime;
+ *	u64 seq_send;
+ *	u32  enctype;			( encrption type of key )
+ *	raw key;			( raw key bytes (kernel will derive))
+ *
+ */
+static int
+prepare_krb5_rfc4121_buffer(gss_krb5_lucid_context_v1_t *lctx,
+	gss_buffer_desc *buf, int32_t *endtime)
+{
+	char *p, *end;
+	uint32_t v2_flags = 0;
+	uint32_t enctype;
+	uint32_t keysize;
+
+	if (!(buf->value = calloc(1, MAX_CTX_LEN)))
+		goto out_err;
+	p = buf->value;
+	end = buf->value + MAX_CTX_LEN;
+
+	/* Version 2 */
+	if (lctx->initiate)
+		v2_flags |= KRB5_CTX_FLAG_INITIATOR;
+	if (lctx->protocol != 0)
+		v2_flags |= KRB5_CTX_FLAG_CFX;
+	if (lctx->protocol != 0 && lctx->cfx_kd.have_acceptor_subkey == 1)
+		v2_flags |= KRB5_CTX_FLAG_ACCEPTOR_SUBKEY;
+
+	if (WRITE_BYTES(&p, end, v2_flags)) goto out_err;
+	if (WRITE_BYTES(&p, end, lctx->endtime)) goto out_err;
+	if (endtime)
+		*endtime = lctx->endtime;
+	if (WRITE_BYTES(&p, end, lctx->send_seq)) goto out_err;
+
+	/* Protocol 0 here implies DES3 or RC4 */
+	printerr(4, "%s: protocol %d\n", __FUNCTION__, lctx->protocol);
+	if (lctx->protocol == 0) {
+		enctype = lctx->rfc1964_kd.ctx_key.type;
+		keysize = lctx->rfc1964_kd.ctx_key.length;
+	} else {
+		if (lctx->cfx_kd.have_acceptor_subkey) {
+			enctype = lctx->cfx_kd.acceptor_subkey.type;
+			keysize = lctx->cfx_kd.acceptor_subkey.length;
+		} else {
+			enctype = lctx->cfx_kd.ctx_key.type;
+			keysize = lctx->cfx_kd.ctx_key.length;
+		}
+	}
+	printerr(4, "%s: serializing key with enctype %d and size %d\n",
+		 __FUNCTION__, enctype, keysize);
+
+	if (WRITE_BYTES(&p, end, enctype)) goto out_err;
+
+	if (lctx->protocol == 0) {
+		if (write_bytes(&p, end, lctx->rfc1964_kd.ctx_key.data,
+				lctx->rfc1964_kd.ctx_key.length))
+			goto out_err;
+	} else {
+		if (lctx->cfx_kd.have_acceptor_subkey) {
+			if (write_bytes(&p, end,
+					lctx->cfx_kd.acceptor_subkey.data,
+					lctx->cfx_kd.acceptor_subkey.length))
+				goto out_err;
+		} else {
+			if (write_bytes(&p, end, lctx->cfx_kd.ctx_key.data,
+					lctx->cfx_kd.ctx_key.length))
+				goto out_err;
+		}
+	}
+
+	buf->length = p - (char *)buf->value;
+	return 0;
+
+out_err:
+	printerr(0, "ERROR: %s: failed serializing krb5 context for kernel\n",
+		 __FUNCTION__);
+	if (buf->value) {
+		free(buf->value);
+		buf->value = NULL;
+	}
+	buf->length = 0;
+	return -1;
+}
+
+
+int
+serialize_krb5_ctx(gss_ctx_id_t *ctx, gss_buffer_desc *buf, int32_t *endtime)
+{
+	OM_uint32 maj_stat, min_stat;
+	void *return_ctx = 0;
+	OM_uint32 vers;
+	gss_krb5_lucid_context_v1_t *lctx = 0;
+	int retcode = 0;
+
+	printerr(4, "DEBUG: %s: lucid version!\n", __FUNCTION__);
+	maj_stat = gss_export_lucid_sec_context(&min_stat, ctx,
+						1, &return_ctx);
+	if (maj_stat != GSS_S_COMPLETE) {
+		pgsserr("gss_export_lucid_sec_context",
+			maj_stat, min_stat, &krb5oid);
+		goto out_err;
+	}
+
+	/* Check the version returned, we only support v1 right now */
+	vers = ((gss_krb5_lucid_context_version_t *)return_ctx)->version;
+	switch (vers) {
+	case 1:
+		lctx = (gss_krb5_lucid_context_v1_t *) return_ctx;
+		break;
+	default:
+		printerr(0, "ERROR: unsupported lucid sec context version %d\n",
+			vers);
+		goto out_err;
+		break;
+	}
+
+	/*
+	 * Now lctx points to a lucid context that we can send down to kernel
+	 *
+	 * Note: we send down different information to the kernel depending
+	 * on the protocol version and the enctyption type.
+	 * For protocol version 0 with all enctypes besides DES3, we use
+	 * the original format.  For protocol version != 0 or DES3, we
+	 * send down the new style information.
+	 */
+
+	if (lctx->protocol == 0 && lctx->rfc1964_kd.ctx_key.type <= 4)
+		retcode = prepare_krb5_rfc1964_buffer(lctx, buf, endtime);
+	else
+		retcode = prepare_krb5_rfc4121_buffer(lctx, buf, endtime);
+
+	maj_stat = gss_free_lucid_sec_context(&min_stat, ctx, return_ctx);
+	if (maj_stat != GSS_S_COMPLETE) {
+		pgsserr("gss_free_lucid_sec_context",
+			maj_stat, min_stat, &krb5oid);
+		printerr(0, "WARN: failed to free lucid sec context\n");
+	}
+
+	if (retcode) {
+		printerr(1, "%s: prepare_krb5_*_buffer failed (retcode = %d)\n",
+			 __FUNCTION__, retcode);
+		goto out_err;
+	}
+
+	return 0;
+
+out_err:
+	printerr(0, "ERROR: failed serializing krb5 context for kernel\n");
+	return -1;
+}
+
+
+
+#endif /* HAVE_LUCID_CONTEXT_SUPPORT */
diff --git a/utils/gssd/context_mit.c b/utils/gssd/context_mit.c
new file mode 100644
index 0000000..fad6756
--- /dev/null
+++ b/utils/gssd/context_mit.c
@@ -0,0 +1,280 @@
+/*
+  Copyright (c) 2004-2006 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#ifndef HAVE_LUCID_CONTEXT_SUPPORT
+#ifdef HAVE_KRB5
+
+#include <stdio.h>
+#include <syslog.h>
+#include <string.h>
+#include <errno.h>
+#include <gssapi/gssapi.h>
+#include <rpc/rpc.h>
+#include <rpc/auth_gss.h>
+#include "gss_util.h"
+#include "gss_oids.h"
+#include "err_util.h"
+#include "context.h"
+
+#include <krb5.h>
+
+#if (KRB5_VERSION > 131)
+/* XXX argggg, there's gotta be a better way than just duplicating this
+ * whole struct.  Unfortunately, this is in a "private" header file,
+ * so this is our best choice at this point :-/
+ */
+
+typedef struct _krb5_gss_ctx_id_rec {
+   unsigned int initiate : 1;   /* nonzero if initiating, zero if accepting */
+   unsigned int established : 1;
+   unsigned int big_endian : 1;
+   unsigned int have_acceptor_subkey : 1;
+   unsigned int seed_init : 1;  /* XXX tested but never actually set */
+#ifdef CFX_EXERCISE
+   unsigned int testing_unknown_tokid : 1; /* for testing only */
+#endif
+   OM_uint32 gss_flags;
+   unsigned char seed[16];
+   krb5_principal here;
+   krb5_principal there;
+   krb5_keyblock *subkey;
+   int signalg;
+   size_t cksum_size;
+   int sealalg;
+   krb5_keyblock *enc;
+   krb5_keyblock *seq;
+   krb5_timestamp endtime;
+   krb5_flags krb_flags;
+   /* XXX these used to be signed.  the old spec is inspecific, and
+      the new spec specifies unsigned.  I don't believe that the change
+      affects the wire encoding. */
+   uint64_t seq_send;		/* gssint_uint64 */
+   uint64_t seq_recv;		/* gssint_uint64 */
+   void *seqstate;
+   krb5_auth_context auth_context;
+   gss_OID_desc *mech_used;	/* gss_OID_desc */
+    /* Protocol spec revision
+       0 => RFC 1964 with 3DES and RC4 enhancements
+       1 => draft-ietf-krb-wg-gssapi-cfx-01
+       No others defined so far.  */
+   int proto;
+   krb5_cksumtype cksumtype;    /* for "main" subkey */
+   krb5_keyblock *acceptor_subkey; /* CFX only */
+   krb5_cksumtype acceptor_subkey_cksumtype;
+#ifdef CFX_EXERCISE
+    gss_buffer_desc init_token;
+#endif
+} krb5_gss_ctx_id_rec, *krb5_gss_ctx_id_t;
+
+#else	/* KRB5_VERSION > 131 */
+
+typedef struct _krb5_gss_ctx_id_rec {
+	int initiate;
+	u_int32_t gss_flags;
+	int seed_init;
+	unsigned char seed[16];
+	krb5_principal here;
+	krb5_principal there;
+	krb5_keyblock *subkey;
+	int signalg;
+	int cksum_size;
+	int sealalg;
+	krb5_keyblock *enc;
+	krb5_keyblock *seq;
+	krb5_timestamp endtime;
+	krb5_flags krb_flags;
+	krb5_ui_4 seq_send;
+	krb5_ui_4 seq_recv;
+	void *seqstate;
+	int established;
+	int big_endian;
+	krb5_auth_context auth_context;
+	gss_OID_desc *mech_used;
+	int nctypes;
+	krb5_cksumtype *ctypes;
+} krb5_gss_ctx_id_rec, *krb5_gss_ctx_id_t;
+
+#endif /* KRB5_VERSION */
+
+
+static int
+write_keyblock(char **p, char *end, struct _krb5_keyblock *arg)
+{
+	gss_buffer_desc tmp;
+
+	if (WRITE_BYTES(p, end, arg->enctype)) return -1;
+	tmp.length = arg->length;
+	tmp.value = arg->contents;
+	if (write_buffer(p, end, &tmp)) return -1;
+	return 0;
+}
+
+/*
+ * We really shouldn't know about glue-layer context structure, but
+ * we need to get at the real krb5 context pointer.  This should be
+ * removed as soon as we say there is no support for MIT Kerberos
+ * prior to 1.4 -- which gives us "legal" access to the context info.
+ */
+typedef struct gss_union_ctx_id_t {
+	gss_OID         mech_type;
+	gss_ctx_id_t    internal_ctx_id;
+} gss_union_ctx_id_desc, *gss_union_ctx_id_t;
+
+int
+serialize_krb5_ctx(gss_ctx_id_t *ctx, gss_buffer_desc *buf, int32_t *endtime)
+{
+	krb5_gss_ctx_id_t kctx = ((gss_union_ctx_id_t)(*ctx))->internal_ctx_id;
+	char *p, *end;
+	static int constant_zero = 0;
+	static int constant_one = 1;
+	static int constant_two = 2;
+	uint32_t word_seq_send;
+	u_int64_t seq_send_64bit;
+	uint32_t v2_flags = 0;
+
+	if (!(buf->value = calloc(1, MAX_CTX_LEN)))
+		goto out_err;
+	p = buf->value;
+	end = buf->value + MAX_CTX_LEN;
+
+	switch (kctx->enc->enctype) {
+	case ENCTYPE_DES_CBC_CRC:
+	case ENCTYPE_DES_CBC_MD4:
+	case ENCTYPE_DES_CBC_MD5:
+	case ENCTYPE_DES_CBC_RAW:
+		/* Old format of context to the kernel */
+		if (kctx->initiate) {
+			if (WRITE_BYTES(&p, end, constant_one)) goto out_err;
+		}
+		else {
+			if (WRITE_BYTES(&p, end, constant_zero)) goto out_err;
+		}
+		if (kctx->seed_init) {
+			if (WRITE_BYTES(&p, end, constant_one)) goto out_err;
+		}
+		else {
+			if (WRITE_BYTES(&p, end, constant_zero)) goto out_err;
+		}
+		if (write_bytes(&p, end, &kctx->seed, sizeof(kctx->seed)))
+			goto out_err;
+		if (WRITE_BYTES(&p, end, kctx->signalg)) goto out_err;
+		if (WRITE_BYTES(&p, end, kctx->sealalg)) goto out_err;
+		if (WRITE_BYTES(&p, end, kctx->endtime)) goto out_err;
+		if (endtime)
+			*endtime = kctx->endtime;
+		word_seq_send = kctx->seq_send;
+		if (WRITE_BYTES(&p, end, word_seq_send)) goto out_err;
+		if (write_oid(&p, end, kctx->mech_used)) goto out_err;
+
+		printerr(2, "serialize_krb5_ctx: serializing keys with "
+			 "enctype %d and length %d\n",
+			 kctx->enc->enctype, kctx->enc->length);
+
+		if (write_keyblock(&p, end, kctx->enc)) goto out_err;
+		if (write_keyblock(&p, end, kctx->seq)) goto out_err;
+		break;
+	case ENCTYPE_DES3_CBC_RAW:
+	case ENCTYPE_DES3_CBC_SHA1:
+	case ENCTYPE_ARCFOUR_HMAC:
+	case ENCTYPE_ARCFOUR_HMAC_EXP:
+	case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
+	case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
+		/* New format of context to the kernel */
+		/* u32 flags;
+		 * #define KRB5_CTX_FLAG_INITIATOR        0x00000001
+		 * #define KRB5_CTX_FLAG_CFX              0x00000002
+		 * #define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY  0x00000004
+		 * s32 endtime;
+		 * u64 seq_send;
+		 * u32  enctype;
+		 * rawkey data
+		 */
+
+		if (kctx->initiate)
+			v2_flags |= KRB5_CTX_FLAG_INITIATOR;
+		if (kctx->proto == 1)
+			v2_flags |= KRB5_CTX_FLAG_CFX;
+		if (kctx->have_acceptor_subkey)
+			v2_flags |= KRB5_CTX_FLAG_ACCEPTOR_SUBKEY;
+		if (WRITE_BYTES(&p, end, v2_flags)) goto out_err;
+		if (WRITE_BYTES(&p, end, kctx->endtime)) goto out_err;
+
+		seq_send_64bit = kctx->seq_send;
+		if (WRITE_BYTES(&p, end, seq_send_64bit)) goto out_err;
+
+		if (kctx->have_acceptor_subkey) {
+			if (WRITE_BYTES(&p, end, kctx->acceptor_subkey->enctype))
+				goto out_err;
+			printerr(2, "serialize_krb5_ctx: serializing subkey "
+				 "with enctype %d and size %d\n",
+				 kctx->acceptor_subkey->enctype,
+				 kctx->acceptor_subkey->length);
+
+			if (write_bytes(&p, end,
+					kctx->acceptor_subkey->contents,
+					kctx->acceptor_subkey->length))
+				goto out_err;
+		} else {
+			if (WRITE_BYTES(&p, end, kctx->enc->enctype))
+				goto out_err;
+			printerr(2, "serialize_krb5_ctx: serializing key "
+				 "with enctype %d and size %d\n",
+				 kctx->enc->enctype, kctx->enc->length);
+
+			if (write_bytes(&p, end, kctx->enc->contents,
+					kctx->enc->length))
+				goto out_err;
+		}
+		break;
+	default:
+		printerr(0, "ERROR: serialize_krb5_ctx: unsupported encryption "
+			 "algorithm %d\n", kctx->enc->enctype);
+		goto out_err;
+	}
+
+	buf->length = p - (char *)buf->value;
+	return 0;
+
+out_err:
+	printerr(0, "ERROR: failed serializing krb5 context for kernel\n");
+	if (buf->value) {
+		free(buf->value);
+	}
+	buf->value = NULL;
+	buf->length = 0;
+	return -1;
+}
+
+#endif /* HAVE_KRB5 */
+#endif /* HAVE_LUCID_CONTEXT_SUPPORT */
diff --git a/utils/gssd/err_util.c b/utils/gssd/err_util.c
new file mode 100644
index 0000000..27abd23
--- /dev/null
+++ b/utils/gssd/err_util.c
@@ -0,0 +1,86 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "xlog.h"
+#include "err_util.h"
+
+static int verbosity = 0;
+static int fg = 0;
+
+void initerr(char *progname, int set_verbosity, int set_fg)
+{
+	verbosity = set_verbosity;
+	fg = set_fg;
+	if (!fg)
+		xlog_open(progname);
+}
+
+
+void printerr(int priority, char *format, ...)
+{
+	va_list args;
+
+	/* Don't bother formatting a message we're never going to print! */
+	if (priority > verbosity)
+		return;
+
+	va_start(args, format);
+	if (fg)
+		vfprintf(stderr, format, args);
+	else
+		xlog_backend(L_ERROR, format, args);
+	va_end(args);
+}
+
+int get_verbosity(void)
+{
+	return verbosity;
+}
+
+char * 
+sec2time(int value)
+{
+    static char buf[BUFSIZ];
+    int hr, min, sec;
+
+    hr = (value / 3600);
+    min = (value  - (3600*hr))/60;
+    sec = (value  - (3600*hr) - (min*60));
+    sprintf(buf, "%dh:%dm:%ds", hr, min, sec);
+    return(buf);
+}
+
diff --git a/utils/gssd/err_util.h b/utils/gssd/err_util.h
new file mode 100644
index 0000000..6fa9d3d
--- /dev/null
+++ b/utils/gssd/err_util.h
@@ -0,0 +1,39 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _ERR_UTIL_H_
+#define _ERR_UTIL_H_
+
+void initerr(char *progname, int verbosity, int fg);
+void printerr(int priority, char *format, ...);
+int get_verbosity(void);
+char * sec2time(int);
+
+#endif /* _ERR_UTIL_H_ */
diff --git a/utils/gssd/gss_names.c b/utils/gssd/gss_names.c
new file mode 100644
index 0000000..982b96f
--- /dev/null
+++ b/utils/gssd/gss_names.c
@@ -0,0 +1,141 @@
+/*
+  Copyright (c) 2000 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2002 Bruce Fields <bfields@UMICH.EDU>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <rpc/rpc.h>
+
+#include <pwd.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <nfsidmap.h>
+#include <nfslib.h>
+#include <time.h>
+
+#include "svcgssd.h"
+#include "gss_util.h"
+#include "gss_names.h"
+#include "err_util.h"
+#include "context.h"
+#include "misc.h"
+#include "gss_oids.h"
+#include "svcgssd_krb5.h"
+
+static int
+get_krb5_hostbased_name(gss_buffer_desc *name, char **hostbased_name)
+{
+	char *p, *sname = NULL;
+	if (strchr(name->value, '@') && strchr(name->value, '/')) {
+		if ((sname = calloc(name->length, 1)) == NULL) {
+			printerr(0, "ERROR: get_krb5_hostbased_name failed "
+				 "to allocate %d bytes\n", name->length);
+			return -1;
+		}
+		/* read in name and instance and replace '/' with '@' */
+		sscanf(name->value, "%[^@]", sname);
+		p = strrchr(sname, '/');
+		if (p == NULL) {    /* The '@' preceeded the '/' */
+			free(sname);
+			return -1;
+		}
+		*p = '@';
+	}
+	*hostbased_name = sname;
+	return 0;
+}
+
+int
+get_hostbased_client_name(gss_name_t client_name, gss_OID mech,
+			  char **hostbased_name)
+{
+	u_int32_t	maj_stat, min_stat;
+	gss_buffer_desc	name;
+	gss_OID		name_type = GSS_C_NO_OID;
+	char		*cname;
+	int		res = -1;
+
+	*hostbased_name = NULL;	    /* preset in case we fail */
+
+	/* Get the client's gss authenticated name */
+	maj_stat = gss_display_name(&min_stat, client_name, &name, &name_type);
+	if (maj_stat != GSS_S_COMPLETE) {
+		pgsserr("get_hostbased_client_name: gss_display_name",
+			maj_stat, min_stat, mech);
+		goto out_err;
+	}
+	if (name.length >= 0xffff) {	    /* don't overflow */
+		printerr(0, "ERROR: get_hostbased_client_name: "
+			 "received gss_name is too long (%d bytes)\n",
+			 name.length);
+		goto out_rel_buf;
+	}
+
+	/* For Kerberos, transform the NT_KRB5_PRINCIPAL name to
+	 * an NT_HOSTBASED_SERVICE name */
+	if (g_OID_equal(&krb5oid, mech)) {
+		if (get_krb5_hostbased_name(&name, &cname) != 0)
+			goto out_rel_buf;
+		*hostbased_name = cname;
+	} else {
+		printerr(1, "WARNING: unknown/unsupport mech OID\n");
+		goto out_rel_buf;
+	}
+
+	res = 0;
+out_rel_buf:
+	gss_release_buffer(&min_stat, &name);
+out_err:
+	return res;
+}
+
+void
+get_hostbased_client_buffer(gss_name_t client_name, gss_OID mech,
+			    gss_buffer_t buf)
+{
+	char *hname;
+
+	if (!get_hostbased_client_name(client_name, mech, &hname)) {
+		buf->length = strlen(hname) + 1;
+		buf->value = hname;
+	} else {
+		buf->length = 0;
+		buf->value = NULL;
+	}
+}
diff --git a/utils/gssd/gss_names.h b/utils/gssd/gss_names.h
new file mode 100644
index 0000000..ce182f7
--- /dev/null
+++ b/utils/gssd/gss_names.h
@@ -0,0 +1,36 @@
+/*
+  Copyright (c) 2000 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2002 Bruce Fields <bfields@UMICH.EDU>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+extern int get_hostbased_client_name(gss_name_t client_name, gss_OID mech,
+					char **hostbased_name);
+extern void get_hostbased_client_buffer(gss_name_t client_name,
+			gss_OID mech, gss_buffer_t buf);
diff --git a/utils/gssd/gss_oids.c b/utils/gssd/gss_oids.c
new file mode 100644
index 0000000..4362de2
--- /dev/null
+++ b/utils/gssd/gss_oids.c
@@ -0,0 +1,40 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <sys/types.h>
+#include <gssapi/gssapi.h>
+
+/* from kerberos source, gssapi_krb5.c */
+gss_OID_desc krb5oid =
+   {9, "\052\206\110\206\367\022\001\002\002"};
diff --git a/utils/gssd/gss_oids.h b/utils/gssd/gss_oids.h
new file mode 100644
index 0000000..fde8532
--- /dev/null
+++ b/utils/gssd/gss_oids.h
@@ -0,0 +1,44 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _GSS_OIDS_H_
+#define _GSS_OIDS_H_
+
+#include <sys/types.h>
+
+extern gss_OID_desc krb5oid;
+
+#ifndef g_OID_equal
+#define g_OID_equal(o1,o2) \
+    (((o1)->length == (o2)->length) && \
+     (memcmp((o1)->elements,(o2)->elements,(unsigned int) (o1)->length) == 0))
+#endif
+
+#endif /* _GSS_OIDS_H_ */
diff --git a/utils/gssd/gss_util.c b/utils/gssd/gss_util.c
new file mode 100644
index 0000000..a4b2777
--- /dev/null
+++ b/utils/gssd/gss_util.c
@@ -0,0 +1,347 @@
+/*
+ *  Adapted in part from MIT Kerberos 5-1.2.1 slave/kprop.c and from
+ *  http://docs.sun.com/?p=/doc/816-1331/6m7oo9sms&a=view
+ *
+ *  Copyright (c) 2002 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Andy Adamson <andros@umich.edu>
+ *  J. Bruce Fields <bfields@umich.edu>
+ *  Marius Aamodt Eriksen <marius@umich.edu>
+ */
+
+/*
+ * slave/kprop.c
+ *
+ * Copyright 1990,1991 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ */
+
+/*
+ * Copyright 1994 by OpenVision Technologies, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appears in all copies and
+ * that both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of OpenVision not be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. OpenVision makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+ * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <errno.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <sys/file.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/param.h>
+#include <netdb.h>
+#include <fcntl.h>
+#include <gssapi/gssapi.h>
+#if defined(HAVE_KRB5) && !defined(GSS_C_NT_HOSTBASED_SERVICE)
+#include <gssapi/gssapi_generic.h>
+#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
+#endif
+#include "gss_util.h"
+#include "err_util.h"
+#include "gssd.h"
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#ifdef HAVE_COM_ERR_H
+#include <com_err.h>
+#endif
+
+/* Global gssd_credentials handle */
+gss_cred_id_t gssd_creds;
+
+gss_OID g_mechOid = GSS_C_NULL_OID;
+
+#if 0
+static void
+display_status_1(char *m, u_int32_t code, int type, const gss_OID mech)
+{
+	u_int32_t maj_stat, min_stat;
+	gss_buffer_desc msg = GSS_C_EMPTY_BUFFER;
+	u_int32_t msg_ctx = 0;
+	char *typestr;
+
+	switch (type) {
+	case GSS_C_GSS_CODE:
+		typestr = "GSS";
+		break;
+	case GSS_C_MECH_CODE:
+		typestr = "mechanism";
+		break;
+	default:
+		return;
+		/* NOTREACHED */
+	}
+
+	for (;;) {
+		maj_stat = gss_display_status(&min_stat, code,
+		    type, mech, &msg_ctx, &msg);
+		if (maj_stat != GSS_S_COMPLETE) {
+			printerr(0, "ERROR: in call to "
+				"gss_display_status called from %s\n", m);
+			break;
+		} else {
+			printerr(0, "ERROR: GSS-API: (%s) error in %s(): %s\n",
+			    typestr, m, (char *)msg.value);
+		}
+
+		if (msg.length != 0)
+			(void) gss_release_buffer(&min_stat, &msg);
+
+		if (msg_ctx == 0)
+			break;
+	}
+}
+#endif
+static char *
+gss_display_error(OM_uint32 status)
+{
+		char *error = NULL;
+
+		switch(status) {
+		case GSS_S_COMPLETE: 
+			error = "GSS_S_COMPLETE";
+			break;
+		case GSS_S_CALL_INACCESSIBLE_READ: 
+			error = "GSS_S_CALL_INACCESSIBLE_READ";
+			break;
+		case GSS_S_CALL_INACCESSIBLE_WRITE:
+			error = "GSS_S_CALL_INACCESSIBLE_WRITE";
+			break;
+		case GSS_S_CALL_BAD_STRUCTURE:
+			error = "GSS_S_CALL_BAD_STRUCTURE";
+			break;
+		case  GSS_S_BAD_MECH:
+			error = "GSS_S_BAD_MECH";
+			break;
+		case  GSS_S_BAD_NAME:
+			error = "GSS_S_BAD_NAME";
+			break;
+		case  GSS_S_BAD_NAMETYPE:
+			error = "GSS_S_BAD_NAMETYPE";
+			break;
+		case  GSS_S_BAD_BINDINGS:
+			error = "GSS_S_BAD_BINDINGS";
+			break;
+		case  GSS_S_BAD_STATUS:
+			error = "GSS_S_BAD_STATUS";
+			break;
+		case  GSS_S_BAD_SIG:
+			error = "GSS_S_BAD_SIG";
+			break;
+		case  GSS_S_NO_CRED:
+			error = "GSS_S_NO_CRED";
+			break;
+		case  GSS_S_NO_CONTEXT:
+			error = "GSS_S_NO_CONTEXT";
+			break;
+		case  GSS_S_DEFECTIVE_TOKEN:
+			error = "GSS_S_DEFECTIVE_TOKEN";
+			break;
+		case  GSS_S_DEFECTIVE_CREDENTIAL:
+			error = "GSS_S_DEFECTIVE_CREDENTIAL";
+			break;
+		case  GSS_S_CREDENTIALS_EXPIRED:
+			error = "GSS_S_CREDENTIALS_EXPIRED";
+			break;
+		case  GSS_S_CONTEXT_EXPIRED:
+			error = "GSS_S_CONTEXT_EXPIRED";
+			break;
+		case  GSS_S_FAILURE:
+			error = "GSS_S_FAILURE";
+			break;
+		case  GSS_S_BAD_QOP:
+			error = "GSS_S_BAD_QOP";
+			break;
+		case  GSS_S_UNAUTHORIZED:
+			error = "GSS_S_UNAUTHORIZED";
+			break;
+		case  GSS_S_UNAVAILABLE:
+			error = "GSS_S_UNAVAILABLE";
+			break;
+		case  GSS_S_DUPLICATE_ELEMENT:
+			error = "GSS_S_DUPLICATE_ELEMENT";
+			break;
+		case  GSS_S_NAME_NOT_MN:
+			error = "GSS_S_NAME_NOT_MN";
+			break;
+		default:
+			error = "Not defined";
+		}
+	return error;
+}
+
+static void
+display_status_2(char *m, u_int32_t major, u_int32_t minor, const gss_OID mech)
+{
+	u_int32_t maj_stat1, min_stat1;
+	u_int32_t maj_stat2, min_stat2;
+	gss_buffer_desc maj_gss_buf = GSS_C_EMPTY_BUFFER;
+	gss_buffer_desc min_gss_buf = GSS_C_EMPTY_BUFFER;
+	char maj_buf[30], min_buf[30];
+	char *maj, *min;
+	u_int32_t msg_ctx = 0;
+	int msg_verbosity = 0;
+
+	/* Get major status message */
+	maj_stat1 = gss_display_status(&min_stat1, major,
+		GSS_C_GSS_CODE, mech, &msg_ctx, &maj_gss_buf);
+
+	if (maj_stat1 != GSS_S_COMPLETE) {
+		snprintf(maj_buf, sizeof(maj_buf), "(0x%08x)", major);
+		maj = &maj_buf[0];
+	} else {
+		maj = maj_gss_buf.value;
+	}
+
+	/* Get minor status message */
+	maj_stat2 = gss_display_status(&min_stat2, minor,
+		GSS_C_MECH_CODE, mech, &msg_ctx, &min_gss_buf);
+
+	if (maj_stat2 != GSS_S_COMPLETE) {
+		snprintf(min_buf, sizeof(min_buf), "(0x%08x)", minor);
+		min = &min_buf[0];
+	} else {
+		min = min_gss_buf.value;
+	}
+
+	if (major == GSS_S_CREDENTIALS_EXPIRED)
+		msg_verbosity = 1;
+
+	printerr(msg_verbosity, "ERROR: GSS-API: error in %s(): %s (%s) - %s\n",
+		 m, gss_display_error(major), maj, min);
+
+	if (maj_gss_buf.length != 0)
+		(void) gss_release_buffer(&min_stat1, &maj_gss_buf);
+	if (min_gss_buf.length != 0)
+		(void) gss_release_buffer(&min_stat2, &min_gss_buf);
+}
+
+void
+pgsserr(char *msg, u_int32_t maj_stat, u_int32_t min_stat, const gss_OID mech)
+{
+	display_status_2(msg, maj_stat, min_stat, mech);
+}
+
+int
+gssd_acquire_cred(char *server_name, const gss_OID oid)
+{
+	gss_buffer_desc name;
+	gss_name_t target_name;
+	u_int32_t maj_stat, min_stat;
+	u_int32_t ignore_maj_stat, ignore_min_stat;
+	gss_buffer_desc pbuf;
+
+	/* If server_name is NULL, get cred for GSS_C_NO_NAME */
+	if (server_name == NULL) {
+		target_name = GSS_C_NO_NAME;
+	} else {
+		name.value = (void *)server_name;
+		name.length = strlen(server_name);
+
+		maj_stat = gss_import_name(&min_stat, &name,
+				oid,
+				&target_name);
+
+		if (maj_stat != GSS_S_COMPLETE) {
+			pgsserr("gss_import_name", maj_stat, min_stat, g_mechOid);
+			return (FALSE);
+		}
+	}
+
+	maj_stat = gss_acquire_cred(&min_stat, target_name, GSS_C_INDEFINITE,
+			GSS_C_NO_OID_SET, GSS_C_ACCEPT,
+			&gssd_creds, NULL, NULL);
+
+	if (maj_stat != GSS_S_COMPLETE) {
+		pgsserr("gss_acquire_cred", maj_stat, min_stat, g_mechOid);
+		ignore_maj_stat = gss_display_name(&ignore_min_stat,
+				target_name, &pbuf, NULL);
+		if (ignore_maj_stat == GSS_S_COMPLETE) {
+			printerr(1, "Unable to obtain credentials for '%.*s'\n",
+				 pbuf.length, pbuf.value);
+			ignore_maj_stat = gss_release_buffer(&ignore_min_stat,
+							     &pbuf);
+		}
+	}
+
+	ignore_maj_stat = gss_release_name(&ignore_min_stat, &target_name);
+
+	return (maj_stat == GSS_S_COMPLETE);
+}
+
+int gssd_check_mechs(void)
+{
+	u_int32_t maj_stat, min_stat;
+	gss_OID_set supported_mechs = GSS_C_NO_OID_SET;
+	int retval = -1;
+
+	maj_stat = gss_indicate_mechs(&min_stat, &supported_mechs);
+	if (maj_stat != GSS_S_COMPLETE) {
+		printerr(0, "Unable to obtain list of supported mechanisms. "
+			 "Check that gss library is properly configured.\n");
+		goto out;
+	}
+	if (supported_mechs == GSS_C_NO_OID_SET ||
+	    supported_mechs->count == 0) {
+		printerr(0, "Unable to obtain list of supported mechanisms. "
+			 "Check that gss library is properly configured.\n");
+		goto out;
+	}
+	maj_stat = gss_release_oid_set(&min_stat, &supported_mechs);
+	retval = 0;
+out:
+	return retval;
+}
+
+void
+gssd_cleanup(void)
+{
+	u_int32_t min_stat;
+	gss_release_cred(&min_stat, &gssd_creds);
+}
diff --git a/utils/gssd/gss_util.h b/utils/gssd/gss_util.h
new file mode 100644
index 0000000..4da64e3
--- /dev/null
+++ b/utils/gssd/gss_util.h
@@ -0,0 +1,56 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _GSS_UTIL_H_
+#define _GSS_UTIL_H_
+
+#include <stdlib.h>
+#include <rpc/rpc.h>
+#include "write_bytes.h"
+
+extern gss_cred_id_t	gssd_creds;
+
+int gssd_acquire_cred(char *server_name, const gss_OID oid);
+void pgsserr(char *msg, u_int32_t maj_stat, u_int32_t min_stat,
+	const gss_OID mech);
+int gssd_check_mechs(void);
+void gssd_cleanup(void);
+
+#ifndef HAVE_LIBGSSGLUE
+#include <gssapi/gssapi_krb5.h>
+#define gss_free_lucid_sec_context(min, ctx, ret) \
+		gss_krb5_free_lucid_sec_context(min, ret)
+
+#define gss_export_lucid_sec_context gss_krb5_export_lucid_sec_context
+#define gss_set_allowable_enctypes(min, cred, oid, num, types) \
+		gss_krb5_set_allowable_enctypes(min, cred, num, types)
+#endif
+
+#endif /* _GSS_UTIL_H_ */
diff --git a/utils/gssd/gssd.c b/utils/gssd/gssd.c
new file mode 100644
index 0000000..ca9b326
--- /dev/null
+++ b/utils/gssd/gssd.c
@@ -0,0 +1,1320 @@
+/*
+  gssd.c
+
+  Copyright (c) 2000, 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2000 Dug Song <dugsong@UMICH.EDU>.
+  Copyright (c) 2002 Andy Adamson <andros@UMICH.EDU>.
+  Copyright (c) 2002 Marius Aamodt Eriksen <marius@UMICH.EDU>.
+  All rights reserved, all wrongs reversed.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/inotify.h>
+#include <rpc/rpc.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <unistd.h>
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <memory.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <netdb.h>
+#include <event2/event.h>
+
+#include "gssd.h"
+#include "err_util.h"
+#include "gss_util.h"
+#include "krb5_util.h"
+#include "nfslib.h"
+#include "conffile.h"
+
+static char *pipefs_path = GSSD_PIPEFS_DIR;
+static DIR *pipefs_dir;
+static int pipefs_fd;
+static int inotify_fd;
+struct event *inotify_ev;
+
+char *keytabfile = GSSD_DEFAULT_KEYTAB_FILE;
+char **ccachesearch;
+int  use_memcache = 0;
+int  root_uses_machine_creds = 1;
+unsigned int  context_timeout = 0;
+unsigned int  rpc_timeout = 5;
+char *preferred_realm = NULL;
+char *ccachedir = NULL;
+/* set $HOME to "/" by default */
+static bool set_home = true;
+/* Avoid DNS reverse lookups on server names */
+static bool avoid_dns = true;
+static bool use_gssproxy = false;
+pthread_mutex_t clp_lock = PTHREAD_MUTEX_INITIALIZER;
+static bool signal_received = false;
+static struct event_base *evbase = NULL;
+
+int upcall_timeout = DEF_UPCALL_TIMEOUT;
+static bool cancel_timed_out_upcalls = false;
+
+TAILQ_HEAD(topdir_list_head, topdir) topdir_list;
+
+/*
+ * active_thread_list:
+ *
+ * 	used to track upcalls for timeout purposes.
+ *
+ * 	protected by the active_thread_list_lock mutex.
+ *
+ * 	upcall_thread_info structures are added to the tail of the list
+ * 	by start_upcall_thread(), so entries closer to the head of the list
+ * 	will be closer to hitting the upcall timeout.
+ *
+ * 	upcall_thread_info structures are removed from the list upon a
+ * 	sucessful join of the upcall thread by the watchdog thread (via
+ * 	scan_active_thread_list().
+ */
+TAILQ_HEAD(active_thread_list_head, upcall_thread_info) active_thread_list;
+pthread_mutex_t active_thread_list_lock = PTHREAD_MUTEX_INITIALIZER;
+
+struct topdir {
+	TAILQ_ENTRY(topdir) list;
+	TAILQ_HEAD(clnt_list_head, clnt_info) clnt_list;
+	int wd;
+	char name[];
+};
+
+/*
+ * topdir_list:
+ *	linked list of struct topdir with basic data about a topdir.
+ *
+ * clnt_list:
+ *      linked list of struct clnt_info with basic data about a clntXXX dir,
+ *      one per topdir.
+ *
+ * Directory structure: created by the kernel
+ *      {rpc_pipefs}/{topdir}/clntXX      : one per rpc_clnt struct in the kernel
+ *      {rpc_pipefs}/{topdir}/clntXX/krb5 : read uid for which kernel wants
+ *					    a context, write the resulting context
+ *      {rpc_pipefs}/{topdir}/clntXX/info : stores info such as server name
+ *      {rpc_pipefs}/{topdir}/clntXX/gssd : pipe for all gss mechanisms using
+ *					    a text-based string of parameters
+ *
+ * Algorithm:
+ *      Poll all {rpc_pipefs}/{topdir}/clntXX/YYYY files.  When data is ready,
+ *      read and process; performs rpcsec_gss context initialization protocol to
+ *      get a cred for that user.  Writes result to corresponding krb5 file
+ *      in a form the kernel code will understand.
+ *      In addition, we make sure we are notified whenever anything is
+ *      created or destroyed in {rpc_pipefs} or in any of the clntXX directories,
+ *      and rescan the whole {rpc_pipefs} when this happens.
+ */
+
+/*
+ * convert a presentation address string to a sockaddr_storage struct. Returns
+ * true on success or false on failure.
+ *
+ * Note that we do not populate the sin6_scope_id field here for IPv6 addrs.
+ * gssd nececessarily relies on hostname resolution and DNS AAAA records
+ * do not generally contain scope-id's. This means that GSSAPI auth really
+ * can't work with IPv6 link-local addresses.
+ *
+ * We *could* consider changing this if we did something like adopt the
+ * Microsoft "standard" of using the ipv6-literal.net domainname, but it's
+ * not really feasible at present.
+ */
+static bool
+gssd_addrstr_to_sockaddr(struct sockaddr *sa, const char *node, const char *port)
+{
+	int rc;
+	struct addrinfo *res;
+	struct addrinfo hints = { .ai_flags = AI_NUMERICHOST | AI_NUMERICSERV };
+
+#ifndef IPV6_SUPPORTED
+	hints.ai_family = AF_INET;
+#endif /* IPV6_SUPPORTED */
+
+	rc = getaddrinfo(node, port, &hints, &res);
+	if (rc) {
+		printerr(0, "ERROR: unable to convert %s|%s to sockaddr: %s\n",
+			 node, port,
+			 rc == EAI_SYSTEM ? strerror(errno) : gai_strerror(rc));
+		return false;
+	}
+
+#ifdef IPV6_SUPPORTED
+	/*
+	 * getnameinfo ignores the scopeid. If the address turns out to have
+	 * a non-zero scopeid, we can't use it -- the resolved host might be
+	 * completely different from the one intended.
+	 */
+	if (res->ai_addr->sa_family == AF_INET6) {
+		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)res->ai_addr;
+		if (sin6->sin6_scope_id) {
+			printerr(0, "ERROR: address %s has non-zero "
+				    "sin6_scope_id!\n", node);
+			nfs_freeaddrinfo(res);
+			return false;
+		}
+	}
+#endif /* IPV6_SUPPORTED */
+
+	memcpy(sa, res->ai_addr, res->ai_addrlen);
+	nfs_freeaddrinfo(res);
+	return true;
+}
+
+/*
+ * convert a sockaddr to a hostname
+ */
+static char *
+gssd_get_servername(const char *name, const struct sockaddr *sa, const char *addr)
+{
+	socklen_t		addrlen;
+	int			err;
+	char			hbuf[NI_MAXHOST];
+	unsigned char		buf[sizeof(struct in6_addr)];
+
+	while (avoid_dns) {
+		/*
+		 * Determine if this is a server name, or an IP address.
+		 * If it is an IP address, do the DNS lookup otherwise
+		 * skip the DNS lookup.
+		 */
+		if (strchr(name, '.') == NULL)
+			break; /* local name */
+		else if (inet_pton(AF_INET, name, buf) == 1)
+			break; /* IPv4 address */
+		else if (inet_pton(AF_INET6, name, buf) == 1)
+			break; /* IPv6 addrss */
+
+		return strdup(name);
+	}
+
+	switch (sa->sa_family) {
+	case AF_INET:
+		addrlen = sizeof(struct sockaddr_in);
+		break;
+#ifdef IPV6_SUPPORTED
+	case AF_INET6:
+		addrlen = sizeof(struct sockaddr_in6);
+		break;
+#endif /* IPV6_SUPPORTED */
+	default:
+		printerr(0, "ERROR: unrecognized addr family %d\n",
+			 sa->sa_family);
+		return NULL;
+	}
+
+	err = getnameinfo(sa, addrlen, hbuf, sizeof(hbuf), NULL, 0,
+			  NI_NAMEREQD);
+	if (err) {
+		printerr(0, "ERROR: unable to resolve %s to hostname: %s\n",
+			 addr, err == EAI_SYSTEM ? strerror(errno) :
+						   gai_strerror(err));
+		return NULL;
+	}
+
+	return strdup(hbuf);
+}
+
+static void
+gssd_read_service_info(int dirfd, struct clnt_info *clp)
+{
+	int fd;
+	FILE *info = NULL;
+	int numfields;
+	char *server = NULL;
+	char *service = NULL;
+	int program;
+	int version;
+	char *address = NULL;
+	char *protoname = NULL;
+	char *port = NULL;
+	char *servername = NULL;
+
+	fd = openat(dirfd, "info", O_RDONLY);
+	if (fd < 0) {
+		printerr(0, "ERROR: can't open %s/info: %s\n",
+			 clp->relpath, strerror(errno));
+		goto fail;
+	}
+
+	info = fdopen(fd, "r");
+	if (!info) {
+		printerr(0, "ERROR: can't fdopen %s/info: %s\n",
+			 clp->relpath, strerror(errno));
+		close(fd);
+		goto fail;
+	}
+
+	/*
+	 * Some history:
+	 *
+	 * The first three lines were added with rpc_pipefs in 2003-01-13.
+	 * (commit af2f003391786fb632889c02142c941b212ba4ff)
+	 * 
+	 * The 'protocol' line was added in 2003-06-11.
+	 * (commit 9bd741ae48785d0c0e75cf906ff66f893d600c2d)
+	 *
+	 * The 'port' line was added in 2007-09-26.
+	 * (commit bf19aacecbeebccb2c3d150a8bd9416b7dba81fe)
+	 */
+	numfields = fscanf(info,
+			   "RPC server: %ms\n"
+			   "service: %ms (%d) version %d\n"
+			   "address: %ms\n"
+			   "protocol: %ms\n"
+			   "port: %ms\n",
+			   &server,
+			   &service, &program, &version,
+			   &address,
+			   &protoname,
+			   &port);
+
+
+	switch (numfields) {
+	case 5:
+		protoname = strdup("tcp");
+		if (!protoname)
+			goto fail;
+		/* fall through */
+	case 6:
+		/* fall through */
+	case 7:
+		break;
+	default:
+		goto fail;
+	}
+
+	/*
+	 * The user space RPC library has no support for
+	 * RPC-over-RDMA at this time, so change 'rdma'
+	 * to 'tcp', and '20049' to '2049'.
+	 */
+	if (strcmp(protoname, "rdma") == 0) {
+		free(protoname);
+		protoname = strdup("tcp");
+		if (!protoname)
+			goto fail;
+		free(port);
+		port = strdup("2049");
+		if (!port)
+			goto fail;
+	}
+
+	if (!gssd_addrstr_to_sockaddr((struct sockaddr *)&clp->addr,
+				 address, port ? port : ""))
+		goto fail;
+
+	servername = gssd_get_servername(server, (struct sockaddr *)&clp->addr, address);
+	if (!servername)
+		goto fail;
+
+	if (asprintf(&clp->servicename, "%s@%s", service, servername) < 0)
+		goto fail;
+
+	clp->servername = servername;
+	clp->prog = program;
+	clp->vers = version;
+	clp->protocol = protoname;
+
+	goto out;
+
+fail:
+	printerr(0, "ERROR: failed to parse %s/info\n", clp->relpath);
+	clp->upcall_address = strdup(address);
+	clp->upcall_port = strdup(port);
+	clp->upcall_program = program;
+	clp->upcall_vers = version;
+	clp->upcall_protoname = strdup(protoname);
+	clp->upcall_service = strdup(service);
+	free(servername);
+	free(protoname);
+	clp->servicename = NULL;
+	clp->servername = NULL;
+	clp->prog = 0;
+	clp->vers = 0;
+	clp->protocol = NULL;
+out:
+	if (info)
+		fclose(info);
+
+	free(server);
+	free(service);
+	free(address);
+	free(port);
+}
+
+/* Actually frees clp and fields that might be used from other
+ * threads if was last reference.
+ */
+void
+gssd_free_client(struct clnt_info *clp)
+{
+	int refcnt;
+
+	pthread_mutex_lock(&clp_lock);
+	refcnt = --clp->refcount;
+	pthread_mutex_unlock(&clp_lock);
+	if (refcnt > 0)
+		return;
+
+	printerr(4, "freeing client %s\n", clp->relpath);
+
+	if (clp->krb5_fd >= 0)
+		close(clp->krb5_fd);
+
+	if (clp->gssd_fd >= 0)
+		close(clp->gssd_fd);
+
+	free(clp->relpath);
+	free(clp->servicename);
+	free(clp->servername);
+	free(clp->protocol);
+	if (!clp->servername) {
+		if (clp->upcall_address)
+			free(clp->upcall_address);
+		if (clp->upcall_port)
+			free(clp->upcall_port);
+		if (clp->upcall_protoname)
+			free(clp->upcall_protoname);
+		if (clp->upcall_service)
+			free(clp->upcall_service);
+	}
+	free(clp);
+}
+
+/* Called when removing from clnt_list to tear down event handling.
+ * Will then free clp if was last reference.
+ */
+static void
+gssd_destroy_client(struct clnt_info *clp)
+{
+	printerr(4, "destroying client %s\n", clp->relpath);
+
+	if (clp->krb5_ev) {
+		event_del(clp->krb5_ev);
+		event_free(clp->krb5_ev);
+		clp->krb5_ev = NULL;
+	}
+
+	if (clp->gssd_ev) {
+		event_del(clp->gssd_ev);
+		event_free(clp->gssd_ev);
+		clp->gssd_ev = NULL;
+	}
+
+	inotify_rm_watch(inotify_fd, clp->wd);
+	gssd_free_client(clp);
+}
+
+static void gssd_scan(void);
+
+/* For each upcall read the upcall info into the buffer, then create a
+ * thread in a detached state so that resources are released back into
+ * the system without the need for a join.
+ */
+static void
+gssd_clnt_gssd_cb(int UNUSED(fd), short UNUSED(which), void *data)
+{
+	struct clnt_info *clp = data;
+
+	/* if there was a failure to translate IP to name for this server,
+	 * try again
+	 */
+	if (!clp->servername) {
+	        if (!gssd_addrstr_to_sockaddr((struct sockaddr *)&clp->addr,
+                                 clp->upcall_address, clp->upcall_port ?
+				 clp->upcall_port : "")) {
+			goto do_upcall;
+		}
+		clp->servername = gssd_get_servername(clp->upcall_address,
+				(struct sockaddr *)&clp->addr, clp->upcall_address);
+		if (!clp->servername)
+			goto do_upcall;
+
+		if (asprintf(&clp->servicename, "%s@%s", clp->upcall_service,
+					clp->servername) < 0) {
+			free(clp->servername);
+			clp->servername = NULL;
+			goto do_upcall;
+		}
+		clp->prog = clp->upcall_program;
+		clp->vers = clp->upcall_vers;
+		clp->protocol = strdup(clp->upcall_protoname);
+	}
+do_upcall:
+	handle_gssd_upcall(clp);
+}
+
+static void
+gssd_clnt_krb5_cb(int UNUSED(fd), short UNUSED(which), void *data)
+{
+	struct clnt_info *clp = data;
+
+	handle_krb5_upcall(clp);
+}
+
+/*
+ * scan_active_thread_list:
+ *
+ * Walks the active_thread_list, trying to join as many upcall threads as
+ * possible.  For threads that have terminated, the corresponding
+ * upcall_thread_info will be removed from the list and freed.  Threads that
+ * are still busy and have exceeded the upcall_timeout will cause an error to
+ * be logged and may be canceled (depending on the value of
+ * cancel_timed_out_upcalls).
+ *
+ * Returns the number of seconds that the watchdog thread should wait before
+ * calling scan_active_thread_list() again.
+ */
+static int
+scan_active_thread_list(void)
+{
+	struct upcall_thread_info *info;
+	struct timespec now;
+	unsigned int sleeptime;
+	bool sleeptime_set = false;
+	int err;
+	void *tret, *saveprev;
+
+	sleeptime = upcall_timeout;
+	pthread_mutex_lock(&active_thread_list_lock);
+	clock_gettime(CLOCK_MONOTONIC, &now);
+	TAILQ_FOREACH(info, &active_thread_list, list) {
+		err = pthread_tryjoin_np(info->tid, &tret);
+		switch (err) {
+		case 0:
+			/*
+			 * The upcall thread has either completed successfully, or
+			 * has been canceled _and_ has acted on the cancellation request
+			 * (i.e. has hit a cancellation point).  We can now remove the
+			 * upcall_thread_info from the list and free it.
+			 */
+			if (tret == PTHREAD_CANCELED)
+				printerr(2, "watchdog: thread id 0x%lx cancelled successfully\n",
+						info->tid);
+			saveprev = info->list.tqe_prev;
+			TAILQ_REMOVE(&active_thread_list, info, list);
+			free(info);
+			info = saveprev;
+			break;
+		case EBUSY:
+			/*
+			 * The upcall thread is still running.  If the timeout has expired
+			 * then we either cancel the thread, log an error, and do an error
+			 * downcall to the kernel (cancel_timed_out_upcalls=true) or simply
+			 * log an error (cancel_timed_out_upcalls=false).  In either case,
+			 * the error is logged only once.
+			 */
+			if (now.tv_sec >= info->timeout.tv_sec) {
+				if (cancel_timed_out_upcalls && !(info->flags & UPCALL_THREAD_CANCELED)) {
+					printerr(0, "watchdog: thread id 0x%lx timed out\n",
+							info->tid);
+					pthread_cancel(info->tid);
+					info->flags |= (UPCALL_THREAD_CANCELED|UPCALL_THREAD_WARNED);
+					do_error_downcall(info->fd, info->uid, -ETIMEDOUT);
+				} else {
+					if (!(info->flags & UPCALL_THREAD_WARNED)) {
+						printerr(0, "watchdog: thread id 0x%lx running for %ld seconds\n",
+								info->tid,
+								now.tv_sec - info->timeout.tv_sec + upcall_timeout);
+						info->flags |= UPCALL_THREAD_WARNED;
+					}
+				}
+			} else if (!sleeptime_set) {
+			/*
+			 * The upcall thread is still running, but the timeout has not yet
+			 * expired.  Calculate the time remaining until the timeout will
+			 * expire.  This is the amount of time the watchdog thread will
+			 * wait before running again.  We only need to do this for the busy
+			 * thread closest to the head of the list - entries appearing later
+			 * in the list will time out later.
+			 */
+				sleeptime = info->timeout.tv_sec - now.tv_sec;
+				sleeptime_set = true;
+			}
+			break;
+		default:
+			/* EDEADLK, EINVAL, and ESRCH... none of which should happen! */
+			printerr(0, "watchdog: attempt to join thread id 0x%lx returned %d (%s)!\n",
+					info->tid, err, strerror(err));
+			break;
+		}
+	}
+	pthread_mutex_unlock(&active_thread_list_lock);
+
+	return sleeptime;
+}
+
+static void *
+watchdog_thread_fn(void *UNUSED(arg))
+{
+	unsigned int sleeptime;
+
+	for (;;) {
+		sleeptime = scan_active_thread_list();
+		printerr(4, "watchdog: sleeping %u secs\n", sleeptime);
+		sleep(sleeptime);
+	}
+	return (void *)0;
+}
+
+static int
+start_watchdog_thread(void)
+{
+	pthread_attr_t attr;
+	pthread_t th;
+	int ret;
+
+	ret = pthread_attr_init(&attr);
+	if (ret != 0) {
+		printerr(0, "ERROR: failed to init pthread attr: ret %d: %s\n",
+			 ret, strerror(errno));
+		return ret;
+	}
+	ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+	if (ret != 0) {
+		printerr(0, "ERROR: failed to create pthread attr: ret %d: %s\n",
+			 ret, strerror(errno));
+		return ret;
+	}
+	ret = pthread_create(&th, &attr, watchdog_thread_fn, NULL);
+	if (ret != 0) {
+		printerr(0, "ERROR: pthread_create failed: ret %d: %s\n",
+			 ret, strerror(errno));
+	}
+	return ret;
+}
+
+static struct clnt_info *
+gssd_get_clnt(struct topdir *tdi, const char *name)
+{
+	struct clnt_info *clp;
+
+	TAILQ_FOREACH(clp, &tdi->clnt_list, list)
+		if (!strcmp(clp->name, name))
+			return clp;
+
+	printerr(4, "creating client %s/%s\n", tdi->name, name);
+
+	clp = calloc(1, sizeof(struct clnt_info));
+	if (!clp) {
+		printerr(0, "ERROR: can't malloc clnt_info: %s\n",
+			 strerror(errno));
+		return NULL;
+	}
+
+	if (asprintf(&clp->relpath, "%s/%s", tdi->name, name) < 0) {
+		clp->relpath = NULL;
+		goto out;
+	}
+
+	clp->wd = inotify_add_watch(inotify_fd, clp->relpath, IN_CREATE | IN_DELETE);
+	if (clp->wd < 0) {
+		if (errno != ENOENT)
+			printerr(0, "ERROR: %s: inotify_add_watch failed for %s: %s\n",
+			 	__FUNCTION__, clp->relpath, strerror(errno));
+		goto out;
+	}
+
+	clp->name = clp->relpath + strlen(tdi->name) + 1;
+	clp->krb5_fd = -1;
+	clp->gssd_fd = -1;
+	clp->refcount = 1;
+
+	TAILQ_INSERT_HEAD(&tdi->clnt_list, clp, list);
+	return clp;
+
+out:
+	free(clp->relpath);
+	free(clp);
+	return NULL;
+}
+
+static int
+gssd_scan_clnt(struct clnt_info *clp)
+{
+	int clntfd;
+
+	printerr(4, "scanning client %s\n", clp->relpath);
+
+	clntfd = openat(pipefs_fd, clp->relpath, O_RDONLY);
+	if (clntfd < 0) {
+		if (errno != ENOENT)
+			printerr(0, "ERROR: %s: can't openat %s: %s\n",
+			 	__FUNCTION__, clp->relpath, strerror(errno));
+		return -1;
+	}
+
+	if (clp->gssd_fd == -1)
+		clp->gssd_fd = openat(clntfd, "gssd", O_RDWR | O_NONBLOCK);
+
+	if (clp->gssd_fd == -1 && clp->krb5_fd == -1)
+		clp->krb5_fd = openat(clntfd, "krb5", O_RDWR | O_NONBLOCK);
+
+	if (!clp->gssd_ev && clp->gssd_fd >= 0) {
+		clp->gssd_ev = event_new(evbase, clp->gssd_fd, EV_READ | EV_PERSIST,
+					 gssd_clnt_gssd_cb, clp);
+		if (!clp->gssd_ev) {
+			printerr(0, "ERROR: %s: can't create gssd event for %s: %s\n",
+				 __FUNCTION__, clp->relpath, strerror(errno));
+			close(clp->gssd_fd);
+			clp->gssd_fd = -1;
+		} else {
+			event_add(clp->gssd_ev, NULL);
+		}
+	}
+
+	if (!clp->krb5_ev && clp->krb5_fd >= 0) {
+		clp->krb5_ev = event_new(evbase, clp->krb5_fd, EV_READ | EV_PERSIST,
+					 gssd_clnt_krb5_cb, clp);
+		if (!clp->krb5_ev) {
+			printerr(0, "ERROR: %s: can't create krb5 event for %s: %s\n",
+				 __FUNCTION__, clp->relpath, strerror(errno));
+			close(clp->krb5_fd);
+			clp->krb5_fd = -1;
+		} else {
+			event_add(clp->krb5_ev, NULL);
+		}
+	}
+
+	if (clp->krb5_fd == -1 && clp->gssd_fd == -1)
+		/* not fatal, files might appear later */
+		goto out;
+
+	if (clp->prog == 0)
+		gssd_read_service_info(clntfd, clp);
+
+out:
+	close(clntfd);
+	clp->scanned = true;
+	return 0;
+}
+
+static int
+gssd_create_clnt(struct topdir *tdi, const char *name)
+{
+	struct clnt_info *clp;
+
+	clp = gssd_get_clnt(tdi, name);
+	if (!clp)
+		return -1;
+
+	return gssd_scan_clnt(clp);
+}
+
+static struct topdir *
+gssd_get_topdir(const char *name)
+{
+	struct topdir *tdi;
+
+	TAILQ_FOREACH(tdi, &topdir_list, list)
+		if (!strcmp(tdi->name, name))
+			return tdi;
+
+	tdi = malloc(sizeof(*tdi) + strlen(name) + 1);
+	if (!tdi) {
+		printerr(0, "ERROR: Couldn't allocate struct topdir\n");
+		return NULL;
+	}
+
+	tdi->wd = inotify_add_watch(inotify_fd, name, IN_CREATE);
+	if (tdi->wd < 0) {
+		printerr(0, "ERROR: %s: inotify_add_watch failed for top dir %s: %s\n",
+			 __FUNCTION__, tdi->name, strerror(errno));
+		free(tdi);
+		return NULL;
+	}
+
+	strcpy(tdi->name, name);
+	TAILQ_INIT(&tdi->clnt_list);
+
+	TAILQ_INSERT_HEAD(&topdir_list, tdi, list);
+	return tdi;
+}
+
+static void
+gssd_scan_topdir(const char *name)
+{
+	struct topdir *tdi;
+	int dfd;
+	DIR *dir;
+	struct clnt_info *clp;
+	struct dirent *d;
+
+	tdi = gssd_get_topdir(name);
+	if (!tdi)
+		return;
+
+	dfd = openat(pipefs_fd, tdi->name, O_RDONLY);
+	if (dfd < 0) {
+		if (errno != ENOENT)
+			printerr(0, "ERROR: %s: can't openat %s: %s\n",
+			 	__FUNCTION__, tdi->name, strerror(errno));
+		return;
+	}
+
+	dir = fdopendir(dfd);
+	if (!dir) {
+		printerr(0, "ERROR: can't fdopendir %s: %s\n",
+			 tdi->name, strerror(errno));
+		return;
+	}
+
+	TAILQ_FOREACH(clp, &tdi->clnt_list, list)
+		clp->scanned = false;
+
+	while ((d = readdir(dir))) {
+		if (d->d_type != DT_DIR)
+			continue;
+
+		if (strncmp(d->d_name, "clnt", strlen("clnt")))
+			continue;
+
+		gssd_create_clnt(tdi, d->d_name);
+	}
+
+	closedir(dir);
+
+	TAILQ_FOREACH(clp, &tdi->clnt_list, list) {
+		void *saveprev;
+
+		if (clp->scanned)
+			continue;
+
+		printerr(3, "orphaned client %s\n", clp->relpath);
+		saveprev = clp->list.tqe_prev;
+		TAILQ_REMOVE(&tdi->clnt_list, clp, list);
+		gssd_destroy_client(clp);
+		clp = saveprev;
+	}
+}
+
+static void
+gssd_scan(void)
+{
+	struct dirent *d;
+
+	printerr(4, "doing a full rescan\n");
+	rewinddir(pipefs_dir);
+
+	while ((d = readdir(pipefs_dir))) {
+		if (d->d_type != DT_DIR)
+			continue;
+
+		if (d->d_name[0] == '.')
+			continue;
+
+		gssd_scan_topdir(d->d_name);
+	}
+
+	if (TAILQ_EMPTY(&topdir_list)) {
+		printerr(0, "ERROR: the rpc_pipefs directory is empty!\n");
+		exit(EXIT_FAILURE);
+	}
+}
+
+static void
+gssd_scan_cb(int UNUSED(fd), short UNUSED(which), void *UNUSED(data))
+{
+	gssd_scan();
+}
+
+static bool
+gssd_inotify_topdir(struct topdir *tdi, const struct inotify_event *ev)
+{
+	printerr(5, "inotify event for topdir (%s) - "
+		 "ev->wd (%d) ev->name (%s) ev->mask (0x%08x)\n",
+		 tdi->name, ev->wd, ev->len > 0 ? ev->name : "<?>", ev->mask);
+
+	if (ev->mask & IN_IGNORED) {
+		printerr(0, "ERROR: topdir disappeared!\n");
+		return false;
+	}
+
+	if (ev->len == 0)
+		return false;
+
+	if (ev->mask & IN_CREATE) {
+		if (!(ev->mask & IN_ISDIR))
+			return true;
+
+		if (strncmp(ev->name, "clnt", strlen("clnt")))
+			return true;
+
+		if (gssd_create_clnt(tdi, ev->name))
+			return false;
+
+		return true;
+	} 
+
+	return false;
+}
+
+static bool
+gssd_inotify_clnt(struct topdir *tdi, struct clnt_info *clp, const struct inotify_event *ev)
+{
+	printerr(5, "inotify event for clntdir (%s) - "
+		 "ev->wd (%d) ev->name (%s) ev->mask (0x%08x)\n",
+		 clp->relpath, ev->wd, ev->len > 0 ? ev->name : "<?>", ev->mask);
+
+	if (ev->mask & IN_IGNORED) {
+		TAILQ_REMOVE(&tdi->clnt_list, clp, list);
+		gssd_destroy_client(clp);
+		return true;
+	}
+
+	if (ev->len == 0)
+		return false;
+
+	if (ev->mask & IN_CREATE) {
+		if (!strcmp(ev->name, "gssd") ||
+		    !strcmp(ev->name, "krb5") ||
+		    !strcmp(ev->name, "info"))
+			if (gssd_scan_clnt(clp))
+				return false;
+
+		return true;
+
+	} else if (ev->mask & IN_DELETE) {
+		if (!strcmp(ev->name, "gssd") && clp->gssd_fd >= 0) {
+			close(clp->gssd_fd);
+			event_del(clp->gssd_ev);
+			event_free(clp->gssd_ev);
+			clp->gssd_ev = NULL;
+			clp->gssd_fd = -1;
+
+		} else if (!strcmp(ev->name, "krb5") && clp->krb5_fd >= 0) {
+			close(clp->krb5_fd);
+			event_del(clp->krb5_ev);
+			event_free(clp->krb5_ev);
+			clp->krb5_ev = NULL;
+			clp->krb5_fd = -1;
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
+static void
+gssd_inotify_cb(int ifd, short UNUSED(which), void *UNUSED(data))
+{
+	bool rescan = false;
+	struct topdir *tdi;
+	struct clnt_info *clp;
+
+	while (true) {
+		char buf[4096] __attribute__ ((aligned(__alignof__(struct inotify_event))));
+		const struct inotify_event *ev;
+		ssize_t len;
+		char *ptr;
+
+		len = read(ifd, buf, sizeof(buf));
+		if (len == -1 && errno == EINTR)
+			continue;
+
+		if (len <= 0)
+			break;
+
+		for (ptr = buf; ptr < buf + len;
+		     ptr += sizeof(struct inotify_event) + ev->len) {
+			ev = (const struct inotify_event *)ptr;
+
+			if (ev->mask & IN_Q_OVERFLOW) {
+				printerr(0, "ERROR: inotify queue overflow\n");
+				rescan = true;
+				break;
+			}
+
+			TAILQ_FOREACH(tdi, &topdir_list, list) {
+				if (tdi->wd == ev->wd) {
+					if (!gssd_inotify_topdir(tdi, ev))
+						rescan = true;
+					goto found;
+				}
+
+				TAILQ_FOREACH(clp, &tdi->clnt_list, list) {
+					if (clp->wd == ev->wd) {
+						if (!gssd_inotify_clnt(tdi, clp, ev))
+							rescan = true;
+						goto found;
+					}
+				}
+			}
+
+found:
+			if (!tdi) {
+				printerr(5, "inotify event for unknown wd!!! - "
+					 "ev->wd (%d) ev->name (%s) ev->mask (0x%08x)\n",
+					 ev->wd, ev->len > 0 ? ev->name : "<?>", ev->mask);
+				rescan = true;
+			}
+		}
+	}
+
+	if (rescan)
+		gssd_scan();
+}
+
+static void
+sig_die(int signal)
+{
+	if (signal_received) {
+		gssd_destroy_krb5_principals(root_uses_machine_creds);
+		printerr(1, "forced exiting on signal %d\n", signal);
+		exit(0);
+	}
+
+	signal_received = true;
+	printerr(1, "exiting on signal %d\n", signal);
+	event_base_loopexit(evbase, NULL);
+}
+
+static void
+usage(char *progname)
+{
+	fprintf(stderr, "usage: %s [-f] [-l] [-M] [-n] [-v] [-r] [-p pipefsdir] [-k keytab] [-d ccachedir] [-t timeout] [-R preferred realm] [-D] [-H] [-U upcall timeout] [-C]\n",
+		progname);
+	exit(1);
+}
+
+inline static void 
+read_gss_conf(void)
+{
+	char *s;
+
+	conf_init_file(NFS_CONFFILE);
+	use_memcache = conf_get_bool("gssd", "use-memcache", use_memcache);
+	root_uses_machine_creds = conf_get_bool("gssd", "use-machine-creds",
+						root_uses_machine_creds);
+	avoid_dns = conf_get_bool("gssd", "avoid-dns", avoid_dns);
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+	limit_to_legacy_enctypes = conf_get_bool("gssd", "limit-to-legacy-enctypes",
+						 limit_to_legacy_enctypes);
+#endif
+	context_timeout = conf_get_num("gssd", "context-timeout", context_timeout);
+	rpc_timeout = conf_get_num("gssd", "rpc-timeout", rpc_timeout);
+	upcall_timeout = conf_get_num("gssd", "upcall-timeout", upcall_timeout);
+	cancel_timed_out_upcalls = conf_get_bool("gssd", "cancel-timed-out-upcalls",
+						cancel_timed_out_upcalls);
+	s = conf_get_str("gssd", "pipefs-directory");
+	if (!s)
+		s = conf_get_str("general", "pipefs-directory");
+	else
+		printerr(0, "WARNING: Specifying pipefs-directory in the [gssd] "
+			 "section of %s is deprecated.  Use the [general] "
+			 "section instead.", NFS_CONFFILE);
+	if (s)
+		pipefs_path = s;
+	s = conf_get_str("gssd", "keytab-file");
+	if (s)
+		keytabfile = s;
+	s = conf_get_str("gssd", "cred-cache-directory");
+	if (s)
+		ccachedir = strdup(s);
+	s = conf_get_str("gssd", "preferred-realm");
+	if (s)
+		preferred_realm = s;
+
+	use_gssproxy = conf_get_bool("gssd", "use-gss-proxy", use_gssproxy);
+	set_home = conf_get_bool("gssd", "set-home", set_home);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int fg = 0;
+	int verbosity = 0;
+	int rpc_verbosity = 0;
+	int opt;
+	int i;
+	int rc;
+	extern char *optarg;
+	char *progname;
+	struct event *sighup_ev;
+
+	read_gss_conf();
+
+	verbosity = conf_get_num("gssd", "verbosity", verbosity);
+	rpc_verbosity = conf_get_num("gssd", "rpc-verbosity", rpc_verbosity);
+
+	while ((opt = getopt(argc, argv, "HDfvrlmnMp:k:d:t:T:R:U:C")) != -1) {
+		switch (opt) {
+			case 'f':
+				fg = 1;
+				break;
+			case 'm':
+				/* Accept but ignore this. Now the default. */
+				break;
+			case 'M':
+				use_memcache = 1;
+				break;
+			case 'n':
+				root_uses_machine_creds = 0;
+				break;
+			case 'v':
+				verbosity++;
+				break;
+			case 'r':
+				rpc_verbosity++;
+				break;
+			case 'p':
+				pipefs_path = optarg;
+				break;
+			case 'k':
+				keytabfile = optarg;
+				break;
+			case 'd':
+				free(ccachedir);
+				ccachedir = strdup(optarg);
+				break;
+			case 't':
+				context_timeout = atoi(optarg);
+				break;
+			case 'T':
+				rpc_timeout = atoi(optarg);
+				break;
+			case 'R':
+				preferred_realm = strdup(optarg);
+				break;
+			case 'l':
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+				limit_to_legacy_enctypes = 1;
+#else 
+				errx(1, "Encryption type limits not supported by Kerberos libraries.");
+#endif
+				break;
+			case 'D':
+				avoid_dns = false;
+				break;
+			case 'H':
+				set_home = false;
+				break;
+			case 'U':
+				upcall_timeout = atoi(optarg);
+				break;
+			case 'C':
+				cancel_timed_out_upcalls = true;
+				break;
+			default:
+				usage(argv[0]);
+				break;
+		}
+	}
+
+	/*
+	 * Some krb5 routines try to scrape info out of files in the user's
+	 * home directory. This can easily deadlock when that homedir is on a
+	 * kerberized NFS mount. By setting $HOME to "/" by default, we prevent
+	 * this behavior in routines that use $HOME in preference to the results
+	 * of getpw*.
+	 *
+	 * Some users do not use Kerberized home dirs and need $HOME to remain
+	 * unchanged. Those users can leave $HOME unchanged by setting set_home
+	 * to false.
+	 */
+	if (set_home) {
+		if (setenv("HOME", "/", 1)) {
+			printerr(0, "gssd: Unable to set $HOME: %s\n", strerror(errno));
+			exit(1);
+		}
+	}
+
+	if (use_gssproxy) {
+		if (setenv("GSS_USE_PROXY", "yes", 1) < 0) {
+			printerr(0, "gssd: Unable to set $GSS_USE_PROXY: %s\n", 
+				strerror(errno));
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	if (ccachedir) {
+		char *ptr;
+
+		for (ptr = ccachedir, i = 2; *ptr; ptr++)
+			if (*ptr == ':')
+				i++;
+
+		ccachesearch = malloc(i * sizeof(char *));
+		if (!ccachesearch) {
+			printerr(0, "malloc failure\n");
+			exit(EXIT_FAILURE);
+		}
+
+		i = 0;
+		ccachesearch[i++] = strtok(ccachedir, ":");
+		while(ccachesearch[i - 1])
+			ccachesearch[i++] = strtok(NULL, ":");
+
+	} else {
+		ccachesearch = malloc(3 * sizeof(char *));
+		if (!ccachesearch) {
+			printerr(0, "malloc failure\n");
+			exit(EXIT_FAILURE);
+		}
+
+		ccachesearch[0] = GSSD_DEFAULT_CRED_DIR;
+		ccachesearch[1] = GSSD_USER_CRED_DIR;
+		ccachesearch[2] = NULL;
+	}
+
+	if (preferred_realm == NULL)
+		gssd_k5_get_default_realm(&preferred_realm);
+
+	if ((progname = strrchr(argv[0], '/')))
+		progname++;
+	else
+		progname = argv[0];
+
+	if (upcall_timeout > MAX_UPCALL_TIMEOUT)
+		upcall_timeout = MAX_UPCALL_TIMEOUT;
+	else if (upcall_timeout < MIN_UPCALL_TIMEOUT)
+		upcall_timeout = MIN_UPCALL_TIMEOUT;
+
+	initerr(progname, verbosity, fg);
+#ifdef HAVE_LIBTIRPC_SET_DEBUG
+	/*
+	 * Only set the libtirpc debug level if explicitly requested via -r.
+	 */
+	if (rpc_verbosity > 0)
+		libtirpc_set_debug(progname, rpc_verbosity, fg);
+#else
+	if (rpc_verbosity > 0)
+		printerr(0, "Warning: libtirpc does not "
+			    "support setting debug levels\n");
+#endif
+
+	daemon_init(fg);
+
+	if (gssd_check_mechs() != 0)
+		errx(1, "Problem with gssapi library");
+
+	evbase = event_base_new();
+	if (!evbase) {
+		printerr(0, "ERROR: failed to create event base: %s\n", strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	pipefs_dir = opendir(pipefs_path);
+	if (!pipefs_dir) {
+		printerr(0, "ERROR: opendir(%s) failed: %s\n", pipefs_path, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	pipefs_fd = dirfd(pipefs_dir);
+	if (fchdir(pipefs_fd)) {
+		printerr(0, "ERROR: fchdir(%s) failed: %s\n", pipefs_path, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	inotify_fd = inotify_init1(IN_NONBLOCK);
+	if (inotify_fd == -1) {
+		printerr(0, "ERROR: inotify_init1 failed: %s\n", strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	signal(SIGINT, sig_die);
+	signal(SIGTERM, sig_die);
+	sighup_ev = evsignal_new(evbase, SIGHUP, gssd_scan_cb, NULL);
+	if (!sighup_ev) {
+		printerr(0, "ERROR: failed to create SIGHUP event: %s\n", strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+	evsignal_add(sighup_ev, NULL);
+	inotify_ev = event_new(evbase, inotify_fd, EV_READ | EV_PERSIST,
+			       gssd_inotify_cb, NULL);
+	if (!inotify_ev) {
+		printerr(0, "ERROR: failed to create inotify event: %s\n", strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+	event_add(inotify_ev, NULL);
+
+	TAILQ_INIT(&active_thread_list);
+
+	rc = start_watchdog_thread();
+	if (rc != 0) {
+		printerr(0, "ERROR: failed to start watchdog thread: %d\n", rc);
+		exit(EXIT_FAILURE);
+	}
+
+	TAILQ_INIT(&topdir_list);
+	gssd_scan();
+	daemon_ready();
+
+	rc = event_base_dispatch(evbase);
+
+	printerr(0, "event_dispatch() returned %i!\n", rc);
+
+	gssd_destroy_krb5_principals(root_uses_machine_creds);
+
+	while (!TAILQ_EMPTY(&topdir_list)) {
+		struct topdir *tdi = TAILQ_FIRST(&topdir_list);
+		TAILQ_REMOVE(&topdir_list, tdi, list);
+		while (!TAILQ_EMPTY(&tdi->clnt_list)) {
+			struct clnt_info *clp = TAILQ_FIRST(&tdi->clnt_list);
+			TAILQ_REMOVE(&tdi->clnt_list, clp, list);
+			gssd_destroy_client(clp);
+		}
+		free(tdi);
+	}
+
+	event_free(inotify_ev);
+	event_free(sighup_ev);
+	event_base_free(evbase);
+
+	close(inotify_fd);
+	close(pipefs_fd);
+	closedir(pipefs_dir);
+
+	free(preferred_realm);
+	free(ccachesearch);
+	free(ccachedir);
+
+	return rc < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/utils/gssd/gssd.h b/utils/gssd/gssd.h
new file mode 100644
index 0000000..4e070ed
--- /dev/null
+++ b/utils/gssd/gssd.h
@@ -0,0 +1,124 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _RPC_GSSD_H_
+#define _RPC_GSSD_H_
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <gssapi/gssapi.h>
+#include <event.h>
+#include <stdbool.h>
+#include <pthread.h>
+
+#ifndef GSSD_PIPEFS_DIR
+#define GSSD_PIPEFS_DIR		NFS_STATEDIR "/rpc_pipefs"
+#endif
+#define DNOTIFY_SIGNAL		(SIGRTMIN + 3)
+
+#define GSSD_DEFAULT_CRED_DIR			"/tmp"
+#define GSSD_USER_CRED_DIR			"/run/user/%U"
+#define GSSD_DEFAULT_CRED_PREFIX		"krb5cc"
+#define GSSD_DEFAULT_MACHINE_CRED_SUFFIX	"machine"
+#define GSSD_DEFAULT_KEYTAB_FILE		"/etc/krb5.keytab"
+#define GSSD_SERVICE_NAME			"nfs"
+#define RPC_CHAN_BUF_SIZE			32768
+
+/* timeouts are in seconds */
+#define MIN_UPCALL_TIMEOUT			5
+#define DEF_UPCALL_TIMEOUT			30
+#define MAX_UPCALL_TIMEOUT			600
+
+/*
+ * The gss mechanisms that we can handle
+ */
+enum {AUTHTYPE_KRB5, AUTHTYPE_LIPKEY};
+
+extern char		       *keytabfile;
+extern char		      **ccachesearch;
+extern int			use_memcache;
+extern int			root_uses_machine_creds;
+extern unsigned int 		context_timeout;
+extern unsigned int rpc_timeout;
+extern char			*preferred_realm;
+
+struct clnt_info {
+	TAILQ_ENTRY(clnt_info)	list;
+	int			refcount;
+	int			wd;
+	bool			scanned;
+	char			*name;
+	char			*relpath;
+	char			*servicename;
+	char			*servername;
+	int			prog;
+	int			vers;
+	char			*protocol;
+	int			krb5_fd;
+	struct event		*krb5_ev;
+	int			gssd_fd;
+	struct event		*gssd_ev;
+	struct			sockaddr_storage addr;
+	char			*upcall_address;
+	char			*upcall_port;
+	int			upcall_program;
+	int			upcall_vers;
+	char			*upcall_protoname;
+	char			*upcall_service;
+};
+
+struct clnt_upcall_info {
+	struct clnt_info 	*clp;
+	uid_t			uid;
+	int			fd;
+	char			*srchost;
+	char			*target;
+	char			*service;
+};
+
+struct upcall_thread_info {
+	TAILQ_ENTRY(upcall_thread_info) list;
+	pthread_t		tid;
+	struct timespec		timeout;
+	uid_t			uid;
+	int			fd;
+	unsigned short		flags;
+#define UPCALL_THREAD_CANCELED	0x0001
+#define UPCALL_THREAD_WARNED	0x0002
+};
+
+void handle_krb5_upcall(struct clnt_info *clp);
+void handle_gssd_upcall(struct clnt_info *clp);
+void free_upcall_info(struct clnt_upcall_info *info);
+void gssd_free_client(struct clnt_info *clp);
+int do_error_downcall(int k5_fd, uid_t uid, int err);
+
+
+#endif /* _RPC_GSSD_H_ */
diff --git a/utils/gssd/gssd.man b/utils/gssd/gssd.man
new file mode 100644
index 0000000..2a5384d
--- /dev/null
+++ b/utils/gssd/gssd.man
@@ -0,0 +1,408 @@
+.\"
+.\" rpc.gssd(8)
+.\"
+.\" Copyright (C) 2003 J. Bruce Fields <bfields@umich.edu>
+.\"
+.TH rpc.gssd 8 "20 Feb 2013"
+.SH NAME
+rpc.gssd \- RPCSEC_GSS daemon
+.SH SYNOPSIS
+.B rpc.gssd
+.RB [ \-DfMnlvrHC ]
+.RB [ \-k
+.IR keytab ]
+.RB [ \-p
+.IR pipefsdir ]
+.RB [ \-d
+.IR ccachedir ]
+.RB [ \-t
+.IR timeout ]
+.RB [ \-T
+.IR timeout ]
+.RB [ \-U
+.IR timeout ]
+.RB [ \-R
+.IR realm ]
+.SH INTRODUCTION
+The RPCSEC_GSS protocol, defined in RFC 5403, is used to provide
+strong security for RPC-based protocols such as NFS.
+.P
+Before exchanging RPC requests using RPCSEC_GSS, an RPC client must
+establish a GSS
+.IR "security context" .
+A security context is shared state on each
+end of a network transport that enables GSS-API security services.
+.P
+Security contexts are established using
+.IR "security credentials" .
+A credential grants temporary access to a secure network service,
+much as a railway ticket grants temporary access to use a rail service.
+.P
+A user typically obtains a credential by providing a password to the
+.BR kinit (1)
+command, or via a PAM library at login time.
+A credential acquired with a
+.I user principal
+is known as a
+.I user credential
+(see
+.BR kerberos (1)
+for more on principals).
+.P
+Certain operations require a credential that
+represents no particular user
+or
+represents the host itself.
+This kind of credential is called a
+.IR "machine credential" .
+.P
+A host establishes its machine credential using a
+.I "service principal"
+whose encrypted password is stored in a local file known as a
+.IR keytab .
+A machine credential remains effective
+without user intervention
+as long as the host can renew it.
+.P
+Once obtained, credentials are typically stored in local temporary files
+with well-known pathnames.
+.SH DESCRIPTION
+To establish GSS security contexts using these credential files,
+the Linux kernel RPC client depends on a userspace daemon called
+.BR rpc.gssd .
+The
+.B rpc.gssd
+daemon uses the rpc_pipefs filesystem to communicate with the kernel.
+.SS User Credentials
+When a user authenticates using a command such as
+.BR kinit (1),
+the resulting credential is stored in a file with a well-known name
+constructed using the user's UID.
+.P
+To interact with an NFS server
+on behalf of a particular Kerberos-authenticated user,
+the Linux kernel RPC client requests that
+.B rpc.gssd
+initialize a security context with the credential
+in that user's credential file.
+.P
+Typically, credential files are placed in
+.IR /tmp .
+However,
+.B rpc.gssd
+can search for credential files in more than one directory.
+See the description of the
+.B -d
+option for details.
+.SS Machine Credentials
+.B rpc.gssd
+searches the default keytab,
+.IR /etc/krb5.keytab ,
+in the following order for a principal and password to use
+when establishing the machine credential.
+For the search, rpc.gssd replaces <hostname> and <REALM> with the local
+system's hostname and Kerberos realm.
+.sp
+   <HOSTNAME>$@<REALM>
+.br
+   root/<hostname>@<REALM>
+.br
+   nfs/<hostname>@<REALM>
+.br
+   host/<hostname>@<REALM>
+.br
+   root/<anyname>@<REALM>
+.br
+   nfs/<anyname>@<REALM>
+.br
+   host/<anyname>@<REALM>
+.sp
+rpc.gssd selects one of the <anyname> entries if it does not find
+a service principal matching the local hostname,
+e.g. if DHCP assigns the local hostname dynamically.
+The <anyname> facility enables the use of the same keytab on multiple systems.
+However, using the same service principal to establish a machine credential
+on multiple hosts can create unwanted security exposures
+and is therefore not recommended.
+.P
+Note that <HOSTNAME>$@<REALM> is a user principal
+that enables Kerberized NFS when the local system is joined
+to an Active Directory domain using Samba.
+The keytab provides the password for this principal.
+.P
+You can specify a different keytab by using the
+.B -k
+option if
+.I /etc/krb5.keytab
+does not exist or does not provide one of these principals.
+.SS Credentials for UID 0
+UID 0 is a special case.
+By default
+.B rpc.gssd
+uses the system's machine credentials for UID 0 accesses
+that require GSS authentication.
+This limits the privileges of the root user
+when accessing network resources that require authentication.
+.P
+Specify the
+.B -n
+option when starting
+.B rpc.gssd
+if you'd like to force the root user to obtain a user credential
+rather than use the local system's machine credential.
+.P
+When
+.B -n
+is specified,
+the kernel continues to request a GSS context established
+with a machine credential for NFSv4 operations,
+such as SETCLIENTID or RENEW, that manage state.
+If
+.B rpc.gssd
+cannot obtain a machine credential (say, the local system has
+no keytab), NFSv4 operations that require machine credentials will fail.
+.SS Encryption types
+A realm administrator can choose to add keys encoded in a number of different
+encryption types to the local system's keytab.
+For instance, a host/ principal might have keys for the
+.BR aes256-cts-hmac-sha1-96 ,
+.BR aes128-cts-hmac-sha1-96 ,
+.BR des3-cbc-sha1 ", and"
+.BR arcfour-hmac " encryption types."
+This permits
+.B rpc.gssd
+to choose an appropriate encryption type that the target NFS server
+supports.
+.P
+These encryption types are stronger than legacy single-DES encryption types.
+To interoperate in environments where servers support
+only weak encryption types,
+you can restrict your client to use only single-DES encryption types
+by specifying the
+.B -l
+option when starting
+.BR rpc.gssd .
+.SH OPTIONS
+.TP
+.B \-D
+The server name passed to GSSAPI for authentication is normally the
+name exactly as requested.  e.g. for NFS
+it is the server name in the "servername:/path" mount request.  Only if this
+servername appears to be an IP address (IPv4 or IPv6) or an
+unqualified name (no dots) will a reverse DNS lookup
+will be performed to get the canoncial server name.
+
+If
+.B \-D
+is present, a reverse DNS lookup will
+.I always
+be used, even if the server name looks like a canonical name.  So it
+is needed if partially qualified, or non canonical names are regularly
+used.
+
+Using
+.B \-D
+can introduce a security vulnerability, so it is recommended that
+.B \-D
+not be used, and that canonical names always be used when requesting
+services.
+.TP
+.B -f
+Runs
+.B rpc.gssd
+in the foreground and sends output to stderr (as opposed to syslogd)
+.TP
+.B -n
+When specified, UID 0 is forced to obtain user credentials
+which are used instead of the local system's machine credentials.
+.TP
+.BI "-k " keytab
+Tells
+.B rpc.gssd
+to use the keys found in
+.I keytab
+to obtain machine credentials.
+The default value is
+.IR /etc/krb5.keytab .
+.TP
+.B -l
+When specified, restricts
+.B rpc.gssd
+to sessions to weak encryption types such as
+.BR des-cbc-crc .
+This option is available only when the local system's Kerberos library
+supports settable encryption types.
+.TP
+.BI "-p " path
+Tells
+.B rpc.gssd
+where to look for the rpc_pipefs filesystem.  The default value is
+.IR /var/lib/nfs/rpc_pipefs .
+.TP
+.BI "-d " search-path
+This option specifies a colon separated list of directories that
+.B rpc.gssd
+searches for credential files.  The default value is
+.IR /tmp:/run/user/%U .
+The literal sequence "%U" can be specified to substitue the UID
+of the user for whom credentials are being searched.
+.TP
+.B -M
+By default, machine credentials are stored in files in the first
+directory in the credential directory search path (see the
+.B -d
+option).  When
+.B -M
+is set,
+.B rpc.gssd
+stores machine credentials in memory instead.
+.TP
+.B -v
+Increases the verbosity of the output (can be specified multiple times).
+.TP
+.B -r
+If the RPCSEC_GSS library supports setting debug level,
+increases the verbosity of the output (can be specified multiple times).
+.TP
+.BI "-R " realm
+Kerberos tickets from this
+.I realm
+will be preferred when scanning available credentials cache files to be
+used to create a context.  By default, the default realm, as configured
+in the Kerberos configuration file, is preferred.
+.TP
+.BI "-t " timeout
+Timeout, in seconds, for kernel GSS contexts. This option allows you to force 
+new kernel contexts to be negotiated after
+.I timeout
+seconds, which allows changing Kerberos tickets and identities frequently.
+The default is no explicit timeout, which means the kernel context will live
+the lifetime of the Kerberos service ticket used in its creation.
+.TP
+.BI "-T " timeout
+Timeout, in seconds, to create an RPC connection with a server while
+establishing an authenticated gss context for a user.
+The default timeout is set to 5 seconds.
+If you get messages like "WARNING: can't create tcp rpc_clnt to server
+%servername% for user with uid %uid%: RPC: Remote system error -
+Connection timed out", you should consider an increase of this timeout.
+.TP
+.BI "-U " timeout
+Timeout, in seconds, for upcall threads.  Threads executing longer than
+.I timeout
+seconds will cause an error message to be logged.  The default
+.I timeout
+is 30 seconds.  The minimum is 5 seconds.  The maximum is 600 seconds.
+.TP
+.B -C
+In addition to logging an error message for threads that have timed out,
+the thread will be canceled and an error of -ETIMEDOUT will be reported
+to the kernel.
+.TP
+.B -H
+Avoids setting $HOME to "/". This allows rpc.gssd to read per user k5identity
+files versus trying to read /.k5identity for each user.
+
+If
+.B \-H
+is not set, rpc.gssd will use the first match found in
+/var/kerberos/krb5/user/$EUID/client.keytab and will not use a principal based on
+host and/or service parameters listed in $HOME/.k5identity.
+.SH CONFIGURATION FILE
+Many of the options that can be set on the command line can also be
+controlled through values set in the
+.B [gssd]
+section of the
+.I /etc/nfs.conf
+configuration file.  Values recognized include:
+.TP
+.B verbosity
+Value which is equivalent to the number of
+.BR -v .
+.TP
+.B rpc-verbosity
+Value which is equivalent to the number of
+.BR -r .
+.TP
+.B use-memcache
+A Boolean flag equivalent to
+.BR -M .
+.TP
+.B use-machine-creds
+A Boolean flag. Setting to
+.B false
+is equivalent to giving the
+.B -n
+flag.
+.TP
+.B avoid-dns
+Setting to
+.B false
+is equivalent to providing the
+.B -D
+flag.
+.TP
+.B limit-to-legacy-enctypes
+Equivalent to
+.BR -l .
+.TP
+.B context-timeout
+Equivalent to
+.BR -t .
+.TP
+.B rpc-timeout
+Equivalent to
+.BR -T .
+.TP
+.B keytab-file
+Equivalent to
+.BR -k .
+.TP
+.BR cred-cache-directory
+Equivalent to
+.BR -d .
+.TP
+.B preferred-realm
+Equivalent to
+.BR -R .
+.TP
+.B upcall-timeout
+Equivalent to
+.BR -U .
+.TP
+.B cancel-timed-out-upcalls
+Setting to
+.B true
+is equivalent to providing the
+.B -C
+flag.
+.TP
+.B set-home
+Setting to
+.B false
+is equivalent to providing the
+.B -H
+flag.
+.P
+In addtion, the following value is recognized from the
+.B [general]
+section:
+.TP
+.B pipefs-directory
+Equivalent to
+.BR -p .
+
+.SH SEE ALSO
+.BR rpc.svcgssd (8),
+.BR kerberos (1),
+.BR kinit (1),
+.BR krb5.conf (5)
+.SH AUTHORS
+.br
+Dug Song <dugsong@umich.edu>
+.br
+Andy Adamson <andros@umich.edu>
+.br
+Marius Aamodt Eriksen <marius@umich.edu>
+.br
+J. Bruce Fields <bfields@umich.edu>
diff --git a/utils/gssd/gssd_proc.c b/utils/gssd/gssd_proc.c
new file mode 100644
index 0000000..a96647d
--- /dev/null
+++ b/utils/gssd/gssd_proc.c
@@ -0,0 +1,1075 @@
+/*
+  gssd_proc.c
+
+  Copyright (c) 2000-2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2000 Dug Song <dugsong@UMICH.EDU>.
+  Copyright (c) 2001 Andy Adamson <andros@UMICH.EDU>.
+  Copyright (c) 2002 Marius Aamodt Eriksen <marius@UMICH.EDU>.
+  Copyright (c) 2002 Bruce Fields <bfields@UMICH.EDU>
+  Copyright (c) 2004 Kevin Coffman <kwc@umich.edu>
+  Copyright (c) 2014 David H?rdeman <david@hardeman.nu>
+  All rights reserved, all wrongs reversed.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <sys/param.h>
+#include <rpc/rpc.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <sys/fsuid.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <pwd.h>
+#include <grp.h>
+#include <string.h>
+#include <dirent.h>
+#include <poll.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <unistd.h>
+#include <errno.h>
+#include <gssapi/gssapi.h>
+#include <netdb.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <syscall.h>
+
+#include "gssd.h"
+#include "err_util.h"
+#include "gss_util.h"
+#include "krb5_util.h"
+#include "context.h"
+#include "nfsrpc.h"
+#include "nfslib.h"
+#include "gss_names.h"
+
+extern pthread_mutex_t clp_lock;
+extern pthread_mutex_t active_thread_list_lock;
+extern int upcall_timeout;
+extern TAILQ_HEAD(active_thread_list_head, upcall_thread_info) active_thread_list;
+
+/* Encryption types supported by the kernel rpcsec_gss code */
+int num_krb5_enctypes = 0;
+krb5_enctype *krb5_enctypes = NULL;
+
+/* Args for the cleanup_handler() */
+struct cleanup_args  {
+	OM_uint32 	*min_stat;
+	gss_buffer_t	acceptor;
+	gss_buffer_t	token;
+	struct authgss_private_data *pd;
+	AUTH		**auth;
+	CLIENT		**rpc_clnt;
+};
+
+/*
+ * Parse the supported encryption type information
+ */
+static int
+parse_enctypes(char *enctypes)
+{
+	int n = 0;
+	char *curr, *comma;
+	int i;
+	static char *cached_types;
+
+	if (cached_types && strcmp(cached_types, enctypes) == 0)
+		return 0;
+	free(cached_types);
+
+	if (krb5_enctypes != NULL) {
+		free(krb5_enctypes);
+		krb5_enctypes = NULL;
+		num_krb5_enctypes = 0;
+	}
+
+	/* count the number of commas */
+	for (curr = enctypes; curr && *curr != '\0'; curr = ++comma) {
+		comma = strchr(curr, ',');
+		if (comma != NULL)
+			n++;
+		else
+			break;
+	}
+	/* If no more commas and we're not at the end, there's one more value */
+	if (*curr != '\0')
+		n++;
+
+	/* Empty string, return an error */
+	if (n == 0)
+		return ENOENT;
+
+	/* Allocate space for enctypes array */
+	if ((krb5_enctypes = (int *) calloc(n, sizeof(int))) == NULL) {
+		return ENOMEM;
+	}
+
+	/* Now parse each value into the array */
+	for (curr = enctypes, i = 0; curr && *curr != '\0'; curr = ++comma) {
+		krb5_enctypes[i++] = atoi(curr);
+		comma = strchr(curr, ',');
+		if (comma == NULL)
+			break;
+	}
+
+	num_krb5_enctypes = n;
+	if ((cached_types = malloc(strlen(enctypes)+1)))
+		strcpy(cached_types, enctypes);
+
+	return 0;
+}
+
+static void
+do_downcall(int k5_fd, uid_t uid, struct authgss_private_data *pd,
+	    gss_buffer_desc *context_token, OM_uint32 lifetime_rec,
+	    gss_buffer_desc *acceptor)
+{
+	char    *buf = NULL, *p = NULL, *end = NULL;
+	unsigned int timeout = context_timeout;
+	unsigned int buf_size = 0;
+	pthread_t tid = pthread_self();
+
+	if (get_verbosity() > 1)
+		printerr(2, "do_downcall(0x%lx): lifetime_rec=%s acceptor=%.*s\n",
+			tid, sec2time(lifetime_rec), acceptor->length, acceptor->value);
+	buf_size = sizeof(uid) + sizeof(timeout) + sizeof(pd->pd_seq_win) +
+		sizeof(pd->pd_ctx_hndl.length) + pd->pd_ctx_hndl.length +
+		sizeof(context_token->length) + context_token->length +
+		sizeof(acceptor->length) + acceptor->length;
+	p = buf = malloc(buf_size);
+	if (!buf)
+		goto out_err;
+
+	end = buf + buf_size;
+
+	/* context_timeout set by -t option overrides context lifetime */
+	if (timeout == 0)
+		timeout = lifetime_rec;
+	if (WRITE_BYTES(&p, end, uid)) goto out_err;
+	if (WRITE_BYTES(&p, end, timeout)) goto out_err;
+	if (WRITE_BYTES(&p, end, pd->pd_seq_win)) goto out_err;
+	if (write_buffer(&p, end, &pd->pd_ctx_hndl)) goto out_err;
+	if (write_buffer(&p, end, context_token)) goto out_err;
+	if (write_buffer(&p, end, acceptor)) goto out_err;
+
+	if (write(k5_fd, buf, p - buf) < p - buf) goto out_err;
+	free(buf);
+	return;
+out_err:
+	free(buf);
+	printerr(1, "do_downcall(0x%lx): Failed to write downcall!\n", tid);
+	return;
+}
+
+int
+do_error_downcall(int k5_fd, uid_t uid, int err)
+{
+	char	buf[1024];
+	char	*p = buf, *end = buf + 1024;
+	unsigned int timeout = 0;
+	int	zero = 0;
+	pthread_t tid = pthread_self();
+
+	printerr(2, "do_error_downcall(0x%lx): uid %d err %d\n", tid, uid, err);
+
+	if (WRITE_BYTES(&p, end, uid)) goto out_err;
+	if (WRITE_BYTES(&p, end, timeout)) goto out_err;
+	/* use seq_win = 0 to indicate an error: */
+	if (WRITE_BYTES(&p, end, zero)) goto out_err;
+	if (WRITE_BYTES(&p, end, err)) goto out_err;
+
+	if (write(k5_fd, buf, p - buf) < p - buf) goto out_err;
+	return 0;
+out_err:
+	printerr(1, "Failed to write error downcall!\n");
+	return -1;
+}
+
+/*
+ * If the port isn't already set, do an rpcbind query to the remote server
+ * using the program and version and get the port.
+ *
+ * Newer kernels send the value of the port= mount option in the "info"
+ * file for the upcall or '0' for NFSv2/3. For NFSv4 it sends the value
+ * of the port= option or '2049'. The port field in a new sockaddr should
+ * reflect the value that was sent by the kernel.
+ */
+static int
+populate_port(struct sockaddr *sa, const socklen_t salen,
+	      const rpcprog_t program, const rpcvers_t version,
+	      const unsigned short protocol)
+{
+	struct sockaddr_in	*s4 = (struct sockaddr_in *) sa;
+#ifdef IPV6_SUPPORTED
+	struct sockaddr_in6	*s6 = (struct sockaddr_in6 *) sa;
+#endif /* IPV6_SUPPORTED */
+	unsigned short		port;
+
+	/*
+	 * Newer kernels send the port in the upcall. If we already have
+	 * the port, there's no need to look it up.
+	 */
+	switch (sa->sa_family) {
+	case AF_INET:
+		if (s4->sin_port != 0) {
+			printerr(4, "DEBUG: port already set to %d\n",
+				 ntohs(s4->sin_port));
+			return 1;
+		}
+		break;
+#ifdef IPV6_SUPPORTED
+	case AF_INET6:
+		if (s6->sin6_port != 0) {
+			printerr(4, "DEBUG: port already set to %d\n",
+				 ntohs(s6->sin6_port));
+			return 1;
+		}
+		break;
+#endif /* IPV6_SUPPORTED */
+	default:
+		printerr(0, "ERROR: unsupported address family %d\n",
+			    sa->sa_family);
+		return 0;
+	}
+
+	/*
+	 * Newer kernels that send the port in the upcall set the value to
+	 * 2049 for NFSv4 mounts when one isn't specified. The check below is
+	 * only for kernels that don't send the port in the upcall. For those
+	 * we either have to do an rpcbind query or set it to the standard
+	 * port. Doing a query could be problematic (firewalls, etc), so take
+	 * the latter approach.
+	 */
+	if (program == 100003 && version == 4) {
+		port = 2049;
+		goto set_port;
+	}
+
+	port = nfs_getport(sa, salen, program, version, protocol);
+	if (!port) {
+		printerr(0, "ERROR: unable to obtain port for prog %ld "
+			    "vers %ld\n", program, version);
+		return 0;
+	}
+
+set_port:
+	printerr(2, "DEBUG: setting port to %hu for prog %lu vers %lu\n", port,
+		 program, version);
+
+	switch (sa->sa_family) {
+	case AF_INET:
+		s4->sin_port = htons(port);
+		break;
+#ifdef IPV6_SUPPORTED
+	case AF_INET6:
+		s6->sin6_port = htons(port);
+		break;
+#endif /* IPV6_SUPPORTED */
+	}
+
+	return 1;
+}
+
+/*
+ * Create an RPC connection and establish an authenticated
+ * gss context with a server.
+ */
+static int
+create_auth_rpc_client(struct clnt_info *clp,
+		       char *tgtname,
+		       CLIENT **clnt_return,
+		       AUTH **auth_return,
+		       uid_t uid,
+		       int authtype,
+		       gss_cred_id_t cred)
+{
+	CLIENT			*rpc_clnt = NULL;
+	struct rpc_gss_sec	sec;
+	AUTH			*auth = NULL;
+	int			retval = -1;
+	OM_uint32		min_stat;
+	char			rpc_errmsg[1024];
+	int			protocol;
+	struct timeval	timeout;
+	struct sockaddr		*addr = (struct sockaddr *) &clp->addr;
+	socklen_t		salen;
+	pthread_t tid = pthread_self();
+
+	sec.qop = GSS_C_QOP_DEFAULT;
+	sec.svc = RPCSEC_GSS_SVC_NONE;
+	sec.cred = cred;
+	sec.req_flags = 0;
+	if (authtype == AUTHTYPE_KRB5) {
+		sec.mech = (gss_OID)&krb5oid;
+		sec.req_flags = GSS_C_MUTUAL_FLAG;
+	}
+	else {
+		printerr(0, "ERROR: Invalid authentication type (%d) "
+			"in create_auth_rpc_client\n", authtype);
+		goto out_fail;
+	}
+
+
+	if (authtype == AUTHTYPE_KRB5) {
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+		/*
+		 * Do this before creating rpc connection since we won't need
+		 * rpc connection if it fails!
+		 */
+		if (limit_krb5_enctypes(&sec)) {
+			printerr(1, "WARNING: Failed while limiting krb5 "
+				    "encryption types for user with uid %d\n",
+				 uid);
+			goto out_fail;
+		}
+#endif
+	}
+
+	/* create an rpc connection to the nfs server */
+
+	printerr(3, "create_auth_rpc_client(0x%lx): creating %s client for server %s\n", 
+		tid, clp->protocol, clp->servername);
+
+	protocol = IPPROTO_TCP;
+	if ((strcmp(clp->protocol, "udp")) == 0)
+		protocol = IPPROTO_UDP;
+
+	switch (addr->sa_family) {
+	case AF_INET:
+		salen = sizeof(struct sockaddr_in);
+		break;
+#ifdef IPV6_SUPPORTED
+	case AF_INET6:
+		salen = sizeof(struct sockaddr_in6);
+		break;
+#endif /* IPV6_SUPPORTED */
+	default:
+		printerr(1, "ERROR: Unknown address family %d\n",
+			 addr->sa_family);
+		goto out_fail;
+	}
+
+	if (!populate_port(addr, salen, clp->prog, clp->vers, protocol))
+		goto out_fail;
+
+	/* set the timeout according to the requested valued */
+	timeout.tv_sec = (long) rpc_timeout;
+	timeout.tv_usec = (long) 0;
+
+	rpc_clnt = nfs_get_rpcclient(addr, salen, protocol, clp->prog,
+				     clp->vers, &timeout);
+	if (!rpc_clnt) {
+		snprintf(rpc_errmsg, sizeof(rpc_errmsg),
+			 "WARNING: can't create %s rpc_clnt to server %s for "
+			 "user with uid %d",
+			 protocol == IPPROTO_TCP ? "tcp" : "udp",
+			 clp->servername, uid);
+		printerr(0, "%s\n",
+			 clnt_spcreateerror(rpc_errmsg));
+		goto out_fail;
+	}
+	if (!tgtname)
+		tgtname = clp->servicename;
+
+	printerr(3, "create_auth_rpc_client(0x%lx): creating context with server %s\n", 
+		tid, tgtname);
+	auth = authgss_create_default(rpc_clnt, tgtname, &sec);
+	if (!auth) {
+		if (sec.minor_status == KRB5KRB_AP_ERR_BAD_INTEGRITY) {
+			printerr(2, "WARNING: server=%s failed context "
+				 "creation with KRB5_AP_ERR_BAD_INTEGRITY\n",
+				 clp->servername);
+			if (cred == GSS_C_NO_CREDENTIAL)
+				retval = gssd_refresh_krb5_machine_credential(clp->servername,
+					"*", NULL, 1);
+			else
+				retval = gssd_k5_remove_bad_service_cred(clp->servername);
+			if (!retval) {
+				auth = authgss_create_default(rpc_clnt, tgtname,
+						&sec);
+				if (auth)
+					goto success;
+			}
+		}
+		/* Our caller should print appropriate message */
+		printerr(2, "WARNING: Failed to create krb5 context for "
+			    "user with uid %d for server %s\n",
+			 uid, tgtname);
+		goto out_fail;
+	}
+success:
+	/* Success !!! */
+	rpc_clnt->cl_auth = auth;
+	*clnt_return = rpc_clnt;
+	*auth_return = auth;
+	retval = 0;
+
+  out:
+	if (sec.cred != GSS_C_NO_CREDENTIAL)
+		gss_release_cred(&min_stat, &sec.cred);
+	return retval;
+
+  out_fail:
+	/* Only destroy here if failure.  Otherwise, caller is responsible */
+	if (rpc_clnt) clnt_destroy(rpc_clnt);
+
+	goto out;
+}
+
+/*
+ * Create the context as the user (not as root).
+ *
+ * Note that we change the *real* uid here, as changing the effective uid is
+ * not sufficient. This is due to an unfortunate historical error in the MIT
+ * krb5 libs, where they used %{uid} in the default_ccache_name. Changing that
+ * now might break some applications so we're sort of stuck with it.
+ *
+ * Unfortunately, doing this leaves the forked child vulnerable to signals and
+ * renicing, but this is the best we can do. In the event that a child is
+ * signalled before downcalling, the kernel will just eventually time out the
+ * upcall attempt.
+ */
+static int
+change_identity(uid_t uid)
+{
+	struct passwd	*pw;
+	int res;
+
+	/* drop list of supplimentary groups first */
+#ifdef __NR_setgroups32
+	if (syscall(SYS_setgroups32, 0, 0) != 0) {
+#else
+	if (syscall(SYS_setgroups, 0, 0) != 0) {
+#endif
+		printerr(0, "WARNING: unable to drop supplimentary groups!");
+		return errno;
+	}
+
+	/* try to get pwent for user */
+	pw = getpwuid(uid);
+	if (!pw) {
+		/* if that doesn't work, try to get one for "nobody" */
+		errno = 0;
+		pw = getpwnam("nobody");
+		if (!pw) {
+			printerr(0, "WARNING: unable to determine gid for uid %u\n", uid);
+			return errno ? errno : ENOENT;
+		}
+	}
+
+	/* Switch the UIDs and GIDs. */
+	/* For the threaded version we have to set uid,gid per thread instead
+	 * of per process. glibc setresuid() when called from a thread, it'll
+	 * send a signal to all other threads to synchronize the uid in all
+	 * other threads. To bypass this, we have to call syscall() directly.
+	 */
+#ifdef __NR_setresgid32
+	res = syscall(SYS_setresgid32, pw->pw_gid, pw->pw_gid, pw->pw_gid);
+#else 
+	res = syscall(SYS_setresgid, pw->pw_gid, pw->pw_gid, pw->pw_gid);
+#endif
+	if (res != 0) {
+		printerr(0, "WARNING: failed to set gid to %u!\n", pw->pw_gid);
+		return errno;
+	}
+
+#ifdef __NR_setresuid32
+	res = syscall(SYS_setresuid32, uid, uid, uid);
+#else 
+	res = syscall(SYS_setresuid, uid, uid, uid);
+#endif
+	if (res != 0) {
+		printerr(0, "WARNING: Failed to setuid for user with uid %u\n", uid);
+		return errno;
+	}
+
+	return 0;
+}
+
+static AUTH *
+krb5_not_machine_creds(struct clnt_info *clp, uid_t uid, char *tgtname,
+			int *downcall_err, int *chg_err, CLIENT **rpc_clnt)
+{
+	AUTH		*auth = NULL;
+	gss_cred_id_t	gss_cred;
+	char		**dname;
+	int		err, resp = -1;
+	pthread_t tid = pthread_self();
+
+	printerr(2, "krb5_not_machine_creds(0x%lx): uid %d tgtname %s\n", 
+		tid, uid, tgtname);
+
+	*chg_err = change_identity(uid);
+	if (*chg_err) {
+		printerr(0, "WARNING: failed to change identity: %s",
+			strerror(*chg_err));
+		goto out;
+	}
+
+	/** Tell krb5 gss which credentials cache to use.
+	 * Try first to acquire credentials directly via GSSAPI
+	 */
+	err = gssd_acquire_user_cred(&gss_cred);
+	if (err == 0)
+		resp = create_auth_rpc_client(clp, tgtname, rpc_clnt,
+						&auth, uid,
+						AUTHTYPE_KRB5, gss_cred);
+
+	/** if create_auth_rplc_client fails try the traditional
+	 * method of trolling for credentials
+	 */
+	for (dname = ccachesearch; resp != 0 && *dname != NULL; dname++) {
+		err = gssd_setup_krb5_user_gss_ccache(uid, clp->servername,
+						*dname);
+		if (err == -EKEYEXPIRED)
+			*downcall_err = -EKEYEXPIRED;
+		else if (err == 0)
+			resp = create_auth_rpc_client(clp, tgtname, rpc_clnt,
+						&auth, uid,AUTHTYPE_KRB5,
+						GSS_C_NO_CREDENTIAL);
+	}
+
+out:
+	return auth;
+}
+
+static AUTH *
+krb5_use_machine_creds(struct clnt_info *clp, uid_t uid,
+		       char *srchost, char *tgtname, char *service,
+		       CLIENT **rpc_clnt)
+{
+	AUTH	*auth = NULL;
+	char	**credlist = NULL;
+	char	**ccname;
+	int	nocache = 0;
+	int	success = 0;
+	pthread_t tid = pthread_self();
+
+	printerr(2, "krb5_use_machine_creds(0x%lx): uid %d tgtname %s\n", 
+		tid, uid, tgtname);
+
+	do {
+		gssd_refresh_krb5_machine_credential(clp->servername,
+						     service, srchost, 0);
+	/*
+	 * Get a list of credential cache names and try each
+	 * of them until one works or we've tried them all
+	 */
+		if (gssd_get_krb5_machine_cred_list(&credlist)) {
+			printerr(0, "ERROR: No credentials found "
+				"for connection to server %s\n",
+				clp->servername);
+			goto out;
+		}
+		for (ccname = credlist; ccname && *ccname; ccname++) {
+			u_int min_stat;
+
+			if (gss_krb5_ccache_name(&min_stat, *ccname, NULL) !=
+					GSS_S_COMPLETE) {
+				printerr(1, "WARNING: gss_krb5_ccache_name "
+					 "with name '%s' failed (%s)\n",
+					 *ccname, error_message(min_stat));
+				continue;
+			}
+			if ((create_auth_rpc_client(clp, tgtname, rpc_clnt,
+						&auth, uid,
+						AUTHTYPE_KRB5,
+						GSS_C_NO_CREDENTIAL)) == 0) {
+				/* Success! */
+				success++;
+				break;
+			}
+			printerr(2, "WARNING: Failed to create machine krb5 "
+				"context with cred cache %s for server %s\n",
+				*ccname, clp->servername);
+		}
+		gssd_free_krb5_machine_cred_list(credlist);
+		if (!success) {
+			if(nocache == 0) {
+				nocache++;
+				printerr(2, "WARNING: Machine cache prematurely "
+					"expired or corrupted trying to "
+					"recreate cache for server %s\n",
+					clp->servername);
+			} else {
+				printerr(1, "ERROR: Failed to create machine "
+					 "krb5 context with any credentials "
+					 "cache for server %s\n",
+					clp->servername);
+				goto out;
+			}
+		}
+	} while(!success);
+
+out:
+	return auth;
+}
+
+/*
+ * cleanup_handler:
+ *
+ * Free any resources allocated by process_krb5_upcall().
+ *
+ * Runs upon normal termination of process_krb5_upcall as well as if the
+ * thread is canceled.
+ */
+static void
+cleanup_handler(void *arg)
+{
+	struct cleanup_args *args = (struct cleanup_args *)arg;
+
+	gss_release_buffer(args->min_stat, args->acceptor);
+	if (args->token->value)
+		free(args->token->value);
+#ifdef HAVE_AUTHGSS_FREE_PRIVATE_DATA
+	if (args->pd->pd_ctx_hndl.length != 0 || args->pd->pd_ctx != 0)
+		authgss_free_private_data(args->pd);
+#endif
+	if (*args->auth)
+		AUTH_DESTROY(*args->auth);
+	if (*args->rpc_clnt)
+		clnt_destroy(*args->rpc_clnt);
+}
+
+/*
+ * process_krb5_upcall:
+ *
+ * this code uses the userland rpcsec gss library to create a krb5
+ * context on behalf of the kernel
+ *
+ * This is the meat of the upcall thread.  Note that cancelability is disabled
+ * and enabled at various points to ensure that any resources reserved by the
+ * lower level libraries are released safely.
+ */
+static void
+process_krb5_upcall(struct clnt_upcall_info *info)
+{
+	struct clnt_info	*clp = info->clp;
+	uid_t			uid = info->uid;
+	int			fd = info->fd;
+	char			*srchost = info->srchost;
+	char			*tgtname = info->target;
+	char			*service = info->service;
+	CLIENT			*rpc_clnt = NULL;
+	AUTH			*auth = NULL;
+	struct authgss_private_data pd;
+	gss_buffer_desc		token;
+	int			err, downcall_err;
+	OM_uint32		maj_stat, min_stat, lifetime_rec;
+	gss_name_t		gacceptor = GSS_C_NO_NAME;
+	gss_OID			mech;
+	gss_buffer_desc		acceptor  = {0};
+	struct cleanup_args cleanup_args = {&min_stat, &acceptor, &token, &pd, &auth, &rpc_clnt};
+
+	token.length = 0;
+	token.value = NULL;
+	memset(&pd, 0, sizeof(struct authgss_private_data));
+
+	pthread_cleanup_push(cleanup_handler, &cleanup_args);
+	/*
+	 * If "service" is specified, then the kernel is indicating that
+	 * we must use machine credentials for this request.  (Regardless
+	 * of the uid value or the setting of root_uses_machine_creds.)
+	 * If the service value is "*", then any service name can be used.
+	 * Otherwise, it specifies the service name that should be used.
+	 * (For now, the values of service will only be "*" or "nfs".)
+	 *
+	 * Restricting gssd to use "nfs" service name is needed for when
+	 * the NFS server is doing a callback to the NFS client.  In this
+	 * case, the NFS server has to authenticate itself as "nfs" --
+	 * even if there are other service keys such as "host" or "root"
+	 * in the keytab.
+	 *
+	 * Another case when the kernel may specify the service attribute
+	 * is when gssd is being asked to create the context for a
+	 * SETCLIENT_ID operation.  In this case, machine credentials
+	 * must be used for the authentication.  However, the service name
+	 * used for this case is not important.
+	 *
+	 */
+	downcall_err = -EACCES;
+	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+	if (uid != 0 || (uid == 0 && root_uses_machine_creds == 0 &&
+				service == NULL)) {
+
+		auth = krb5_not_machine_creds(clp, uid, tgtname, &downcall_err,
+						&err, &rpc_clnt);
+		if (err)
+			goto out_return_error;
+	}
+	if (auth == NULL) {
+		if (uid == 0 && (root_uses_machine_creds == 1 ||
+				service != NULL)) {
+			auth =	krb5_use_machine_creds(clp, uid, srchost, tgtname,
+							service, &rpc_clnt);
+			if (auth == NULL)
+				goto out_return_error;
+		} else {
+			/* krb5_not_machine_creds logs the error */
+			goto out_return_error;
+		}
+	}
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+	pthread_testcancel();
+
+	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+	if (!authgss_get_private_data(auth, &pd)) {
+		printerr(1, "WARNING: Failed to obtain authentication "
+			    "data for user with uid %d for server %s\n",
+			 uid, clp->servername);
+		goto out_return_error;
+	}
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+	pthread_testcancel();
+
+	/* Grab the context lifetime and acceptor name out of the ctx. */
+	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+	maj_stat = gss_inquire_context(&min_stat, pd.pd_ctx, NULL, &gacceptor,
+				       &lifetime_rec, &mech, NULL, NULL, NULL);
+
+	if (maj_stat != GSS_S_COMPLETE) {
+		printerr(1, "WARNING: Failed to inquire context "
+			    "maj_stat (0x%x)\n", maj_stat);
+		lifetime_rec = 0;
+	} else {
+		get_hostbased_client_buffer(gacceptor, mech, &acceptor);
+		gss_release_name(&min_stat, &gacceptor);
+	}
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+	pthread_testcancel();
+
+	/*
+	 * The serialization can mean turning pd.pd_ctx into a lucid context. If
+	 * that happens then the pd.pd_ctx will be unusable, so we must never
+	 * try to use it after this point.
+	 */
+	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+	if (serialize_context_for_kernel(&pd.pd_ctx, &token, &krb5oid, NULL)) {
+		printerr(1, "WARNING: Failed to serialize krb5 context for "
+			    "user with uid %d for server %s\n",
+			 uid, clp->servername);
+		goto out_return_error;
+	}
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+	pthread_testcancel();
+
+	do_downcall(fd, uid, &pd, &token, lifetime_rec, &acceptor);
+
+out:
+	pthread_cleanup_pop(1);
+
+	return;
+
+out_return_error:
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+	pthread_testcancel();
+
+	do_error_downcall(fd, uid, downcall_err);
+	goto out;
+}
+
+static struct clnt_upcall_info *
+alloc_upcall_info(struct clnt_info *clp, uid_t uid, int fd, char *srchost,
+		  char *target, char *service)
+{
+	struct clnt_upcall_info *info;
+
+	info = malloc(sizeof(struct clnt_upcall_info));
+	if (info == NULL)
+		return NULL;
+
+	memset(info, 0, sizeof(*info));
+	pthread_mutex_lock(&clp_lock);
+	clp->refcount++;
+	pthread_mutex_unlock(&clp_lock);
+	info->clp = clp;
+	info->uid = uid;
+	info->fd = fd;
+	if (srchost) {
+		info->srchost = strdup(srchost);
+		if (info->srchost == NULL)
+			goto out_info;
+	}
+	if (target) {
+		info->target = strdup(target);
+		if (info->target == NULL)
+			goto out_srchost;
+	}
+	if (service) {
+		info->service = strdup(service);
+		if (info->service == NULL)
+			goto out_target;
+	}
+
+out:
+	return info;
+
+out_target:
+	if (info->target)
+		free(info->target);
+out_srchost:
+	if (info->srchost)
+		free(info->srchost);
+out_info:
+	free(info);
+	info = NULL;
+	goto out;
+}
+
+void free_upcall_info(struct clnt_upcall_info *info)
+{
+	gssd_free_client(info->clp);
+	if (info->service)
+		free(info->service);
+	if (info->target)
+		free(info->target);
+	if (info->srchost)
+		free(info->srchost);
+	free(info);
+}
+
+static void
+cleanup_clnt_upcall_info(void *arg)
+{
+	struct clnt_upcall_info *info = (struct clnt_upcall_info *)arg;
+
+	free_upcall_info(info);
+}
+
+static void
+gssd_work_thread_fn(struct clnt_upcall_info *info)
+{
+	pthread_cleanup_push(cleanup_clnt_upcall_info, info);
+	process_krb5_upcall(info);
+	pthread_cleanup_pop(1);
+}
+
+static struct upcall_thread_info *
+alloc_upcall_thread_info(void)
+{
+	struct upcall_thread_info *info;
+
+	info = malloc(sizeof(struct upcall_thread_info));
+	if (info == NULL)
+		return NULL;
+	memset(info, 0, sizeof(*info));
+	return info;
+}
+
+static int
+start_upcall_thread(void (*func)(struct clnt_upcall_info *), struct clnt_upcall_info *info)
+{
+	pthread_attr_t attr;
+	pthread_t th;
+	struct upcall_thread_info *tinfo;
+	int ret;
+	pthread_t tid = pthread_self();
+
+	tinfo = alloc_upcall_thread_info();
+	if (!tinfo)
+		return -ENOMEM;
+	tinfo->fd = info->fd;
+	tinfo->uid = info->uid;
+
+	ret = pthread_attr_init(&attr);
+	if (ret != 0) {
+		printerr(0, "ERROR: failed to init pthread attr: ret %d: %s\n",
+			 ret, strerror(errno));
+		free(tinfo);
+		return ret;
+	}
+
+	ret = pthread_create(&th, &attr, (void *)func, (void *)info);
+	if (ret != 0) {
+		printerr(0, "ERROR: pthread_create failed: ret %d: %s\n",
+			 ret, strerror(errno));
+		free(tinfo);
+		return ret;
+	}
+	printerr(2, "start_upcall_thread(0x%lx): created thread id 0x%lx\n", 
+		tid, th);
+
+	tinfo->tid = th;
+	pthread_mutex_lock(&active_thread_list_lock);
+	clock_gettime(CLOCK_MONOTONIC, &tinfo->timeout);
+	tinfo->timeout.tv_sec += upcall_timeout;
+	TAILQ_INSERT_TAIL(&active_thread_list, tinfo, list);
+	pthread_mutex_unlock(&active_thread_list_lock);
+
+	return ret;
+}
+
+void
+handle_krb5_upcall(struct clnt_info *clp)
+{
+	uid_t			uid;
+	struct clnt_upcall_info	*info;
+	int			err;
+
+	if (read(clp->krb5_fd, &uid, sizeof(uid)) < (ssize_t)sizeof(uid)) {
+		printerr(0, "WARNING: failed reading uid from krb5 "
+			    "upcall pipe: %s\n", strerror(errno));
+		return;
+	}
+	printerr(2, "\n%s: uid %d (%s)\n", __func__, uid, clp->relpath);
+
+	info = alloc_upcall_info(clp, uid, clp->krb5_fd, NULL, NULL, NULL);
+	if (info == NULL) {
+		printerr(0, "%s: failed to allocate clnt_upcall_info\n", __func__);
+		do_error_downcall(clp->krb5_fd, uid, -EACCES);
+		return;
+	}
+	err = start_upcall_thread(gssd_work_thread_fn, info);
+	if (err != 0) {
+		do_error_downcall(clp->krb5_fd, uid, -EACCES);
+		free_upcall_info(info);
+	}
+}
+
+void
+handle_gssd_upcall(struct clnt_info *clp)
+{
+	uid_t			uid;
+	char			lbuf[RPC_CHAN_BUF_SIZE];
+	int			lbuflen = 0;
+	char			*p;
+	char			*mech = NULL;
+	char			*uidstr = NULL;
+	char			*target = NULL;
+	char			*service = NULL;
+	char			*srchost = NULL;
+	char			*enctypes = NULL;
+	pthread_t tid = pthread_self();
+	struct clnt_upcall_info	*info;
+	int			err;
+
+	lbuflen = read(clp->gssd_fd, lbuf, sizeof(lbuf));
+	if (lbuflen <= 0 || lbuf[lbuflen-1] != '\n') {
+		printerr(0, "WARNING: handle_gssd_upcall: "
+			    "failed reading request\n");
+		return;
+	}
+	lbuf[lbuflen-1] = 0;
+
+	printerr(2, "\n%s(0x%lx): '%s' (%s)\n", __func__, tid,
+		 lbuf, clp->relpath);
+
+	for (p = strtok(lbuf, " "); p; p = strtok(NULL, " ")) {
+		if (!strncmp(p, "mech=", strlen("mech=")))
+			mech = p + strlen("mech=");
+		else if (!strncmp(p, "uid=", strlen("uid=")))
+			uidstr = p + strlen("uid=");
+		else if (!strncmp(p, "enctypes=", strlen("enctypes=")))
+			enctypes = p + strlen("enctypes=");
+		else if (!strncmp(p, "target=", strlen("target=")))
+			target = p + strlen("target=");
+		else if (!strncmp(p, "service=", strlen("service=")))
+			service = p + strlen("service=");
+		else if (!strncmp(p, "srchost=", strlen("srchost=")))
+			srchost = p + strlen("srchost=");
+	}
+
+	if (!mech || strlen(mech) < 1) {
+		printerr(0, "WARNING: handle_gssd_upcall: "
+			    "failed to find gss mechanism name "
+			    "in upcall string '%s'\n", lbuf);
+		return;
+	}
+
+	if (uidstr) {
+		uid = (uid_t)strtol(uidstr, &p, 10);
+		if (p == uidstr || *p != '\0')
+			uidstr = NULL;
+	}
+
+	if (!uidstr) {
+		printerr(0, "WARNING: handle_gssd_upcall: "
+			    "failed to find uid "
+			    "in upcall string '%s'\n", lbuf);
+		return;
+	}
+
+	if (enctypes && parse_enctypes(enctypes) != 0) {
+		printerr(0, "WARNING: handle_gssd_upcall: "
+			 "parsing encryption types failed: errno %d\n", errno);
+		return;
+	}
+
+	if (target && strlen(target) < 1) {
+		printerr(0, "WARNING: handle_gssd_upcall: "
+			 "failed to parse target name "
+			 "in upcall string '%s'\n", lbuf);
+		return;
+	}
+
+	/*
+	 * The presence of attribute "service=" indicates that machine
+	 * credentials should be used for this request.  If the value
+	 * is "*", then any machine credentials available can be used.
+	 * If the value is anything else, then machine credentials for
+	 * the specified service name (always "nfs" for now) should be
+	 * used.
+	 */
+	if (service && strlen(service) < 1) {
+		printerr(0, "WARNING: handle_gssd_upcall: "
+			 "failed to parse service type "
+			 "in upcall string '%s'\n", lbuf);
+		return;
+	}
+
+	if (strcmp(mech, "krb5") == 0 && clp->servername) {
+		info = alloc_upcall_info(clp, uid, clp->gssd_fd, srchost, target, service);
+		if (info == NULL) {
+			printerr(0, "%s: failed to allocate clnt_upcall_info\n", __func__);
+			do_error_downcall(clp->gssd_fd, uid, -EACCES);
+			return;
+		}
+		err = start_upcall_thread(gssd_work_thread_fn, info);
+		if (err != 0) {
+			do_error_downcall(clp->gssd_fd, uid, -EACCES);
+			free_upcall_info(info);
+		}
+	} else {
+		if (clp->servername)
+			printerr(0, "WARNING: handle_gssd_upcall: "
+				 "received unknown gss mech '%s'\n", mech);
+		do_error_downcall(clp->gssd_fd, uid, -EACCES);
+	}
+}
diff --git a/utils/gssd/krb5_util.c b/utils/gssd/krb5_util.c
new file mode 100644
index 0000000..6f66ef4
--- /dev/null
+++ b/utils/gssd/krb5_util.c
@@ -0,0 +1,1649 @@
+/*
+ *  Adapted in part from MIT Kerberos 5-1.2.1 slave/kprop.c and from
+ *  http://docs.sun.com/?p=/doc/816-1331/6m7oo9sms&a=view
+ *
+ *  Copyright (c) 2002-2004 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Andy Adamson <andros@umich.edu>
+ *  J. Bruce Fields <bfields@umich.edu>
+ *  Marius Aamodt Eriksen <marius@umich.edu>
+ *  Kevin Coffman <kwc@umich.edu>
+ */
+
+/*
+ * slave/kprop.c
+ *
+ * Copyright 1990,1991 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ */
+
+/*
+ * Copyright 1994 by OpenVision Technologies, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appears in all copies and
+ * that both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of OpenVision not be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. OpenVision makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+ * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+/*
+  krb5_util.c
+
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <sys/param.h>
+#include <rpc/rpc.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <dirent.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <errno.h>
+#include <time.h>
+#include <gssapi/gssapi.h>
+#ifdef USE_PRIVATE_KRB5_FUNCTIONS
+#include <gssapi/gssapi_krb5.h>
+#endif
+#include <krb5.h>
+#include <rpc/auth_gss.h>
+
+#include <sys/types.h>
+#include <fcntl.h>
+
+#include "nfslib.h"
+#include "gssd.h"
+#include "err_util.h"
+#include "gss_util.h"
+#include "krb5_util.h"
+
+/*
+ * List of principals from our keytab that we
+ * will try to use to obtain credentials
+ * (known as a principal list entry (ple))
+ */
+struct gssd_k5_kt_princ {
+	struct gssd_k5_kt_princ *next;
+	// Only protect against deletion, not modification
+	int refcount;
+	// Only set during creation in new_ple()
+	krb5_principal princ;
+	char *realm;
+	// Modified during usage by gssd_get_single_krb5_cred()
+	char *ccname;
+	krb5_timestamp endtime;
+};
+
+
+/* Global list of principals/cache file names for machine credentials */
+static struct gssd_k5_kt_princ *gssd_k5_kt_princ_list = NULL;
+/* This mutex protects list modification & ple->ccname */
+static pthread_mutex_t ple_lock = PTHREAD_MUTEX_INITIALIZER;
+
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+int limit_to_legacy_enctypes = 0;
+#endif
+
+/*==========================*/
+/*===  Internal routines ===*/
+/*==========================*/
+
+static int select_krb5_ccache(const struct dirent *d);
+static int gssd_find_existing_krb5_ccache(uid_t uid, char *dirname,
+		const char **cctype, struct dirent **d);
+static int gssd_get_single_krb5_cred(krb5_context context,
+		krb5_keytab kt, struct gssd_k5_kt_princ *ple, int force_renew);
+static int query_krb5_ccache(const char* cred_cache, char **ret_princname,
+		char **ret_realm);
+
+static void release_ple_locked(krb5_context context,
+			       struct gssd_k5_kt_princ *ple)
+{
+	if (--ple->refcount)
+		return;
+
+	printerr(3, "freeing cached principal (ccname=%s, realm=%s)\n",
+		 ple->ccname, ple->realm);
+	krb5_free_principal(context, ple->princ);
+	free(ple->ccname);
+	free(ple->realm);
+	free(ple);
+}
+
+static void release_ple(krb5_context context, struct gssd_k5_kt_princ *ple)
+{
+	pthread_mutex_lock(&ple_lock);
+	release_ple_locked(context, ple);
+	pthread_mutex_unlock(&ple_lock);
+}
+
+
+/*
+ * Called from the scandir function to weed out potential krb5
+ * credentials cache files
+ *
+ * Returns:
+ *	0 => don't select this one
+ *	1 => select this one
+ */
+static int
+select_krb5_ccache(const struct dirent *d)
+{
+	/*
+	 * Note: We used to check d->d_type for DT_REG here,
+	 * but apparenlty reiser4 always has DT_UNKNOWN.
+	 * Check for IS_REG after stat() call instead.
+	 */
+	if (strstr(d->d_name, GSSD_DEFAULT_CRED_PREFIX))
+		return 1;
+	else
+		return 0;
+}
+
+/*
+ * Look in directory "dirname" for files that look like they
+ * are Kerberos Credential Cache files for a given UID.
+ *
+ * Returns 0 if a valid-looking entry is found.  "*cctype" is
+ * set to the name of the cache type.  A pointer to the dirent
+ * is planted in "*d".  Caller must free "*d" with free(3).
+ *
+ * Otherwise, a negative errno is returned.
+ */
+static int
+gssd_find_existing_krb5_ccache(uid_t uid, char *dirname,
+			       const char **cctype, struct dirent **d)
+{
+	struct dirent **namelist;
+	int n;
+	int i;
+	int found = 0;
+	struct dirent *best_match_dir = NULL;
+	struct stat best_match_stat, tmp_stat;
+	/* dirname + cctype + d_name + NULL */
+	char buf[PATH_MAX+5+256+1];
+	char *princname = NULL;
+	char *realm = NULL;
+	int score, best_match_score = 0, err = -EACCES;
+
+	memset(&best_match_stat, 0, sizeof(best_match_stat));
+	*cctype = NULL;
+	*d = NULL;
+	n = scandir(dirname, &namelist, select_krb5_ccache, 0);
+	if (n < 0) {
+		printerr(1, "Error doing scandir on directory '%s': %s\n",
+			dirname, strerror(errno));
+	}
+	else if (n > 0) {
+		for (i = 0; i < n; i++) {
+			snprintf(buf, sizeof(buf),
+				 "%s/%s", dirname, namelist[i]->d_name);
+			printerr(3, "CC '%s' being considered, "
+				 "with preferred realm '%s'\n",
+				 buf, preferred_realm ?
+					preferred_realm : "<none selected>");
+			if (lstat(buf, &tmp_stat)) {
+				printerr(0, "Error doing stat on '%s'\n", buf);
+				free(namelist[i]);
+				continue;
+			}
+			/* Only pick caches owned by the user (uid) */
+			if (tmp_stat.st_uid != uid) {
+				printerr(3, "CC '%s' owned by %u, not %u\n",
+					 buf, tmp_stat.st_uid, uid);
+				free(namelist[i]);
+				continue;
+			}
+			if (!S_ISREG(tmp_stat.st_mode) &&
+			    !S_ISDIR(tmp_stat.st_mode)) {
+				printerr(3, "CC '%s' is not a regular "
+					 "file or directory\n", buf);
+				free(namelist[i]);
+				continue;
+			}
+			if (uid == 0 && !root_uses_machine_creds && 
+				strstr(namelist[i]->d_name, "machine_")) {
+				printerr(3, "CC '%s' not available to root\n", buf);
+				free(namelist[i]);
+				continue;
+			}
+			if (S_ISDIR(tmp_stat.st_mode)) {
+				*cctype = "DIR";
+			} else
+			if (S_ISREG(tmp_stat.st_mode)) {
+				*cctype = "FILE";
+			} else {
+				continue;
+			}
+			snprintf(buf, sizeof(buf), "%s:%s/%s", *cctype,
+				 dirname, namelist[i]->d_name);
+			if (!query_krb5_ccache(buf, &princname, &realm)) {
+				printerr(3, "CC '%s' is expired or corrupt\n",
+					 buf);
+				free(namelist[i]);
+				err = -EKEYEXPIRED;
+				continue;
+			}
+
+			score = 0;
+			if (preferred_realm &&
+					strcmp(realm, preferred_realm) == 0) 
+				score++;
+
+			printerr(3, "CC '%s'(%s@%s) passed all checks and"
+				    " has mtime of %u\n",
+				 buf, princname, realm, 
+				 tmp_stat.st_mtime);
+			/*
+			 * if more than one match is found, return the most
+			 * recent (the one with the latest mtime), and
+			 * don't free the dirent
+			 */
+			if (!found) {
+				best_match_dir = namelist[i];
+				best_match_stat = tmp_stat;
+				best_match_score = score;
+				found++;
+			}
+			else {
+				/*
+				 * If current score is higher than best match 
+				 * score, we use the current match. Otherwise,
+				 * if the current match has an mtime later
+				 * than the one we are looking at, then use
+				 * the current match.  Otherwise, we still
+				 * have the best match.
+				 */
+				if (best_match_score < score ||
+				    (best_match_score == score && 
+				       tmp_stat.st_mtime >
+					    best_match_stat.st_mtime)) {
+					free(best_match_dir);
+					best_match_dir = namelist[i];
+					best_match_stat = tmp_stat;
+					best_match_score = score;
+				}
+				else {
+					free(namelist[i]);
+				}
+				printerr(3, "CC '%s:%s/%s' is our "
+					    "current best match "
+					    "with mtime of %u\n",
+					 cctype, dirname,
+					 best_match_dir->d_name,
+					 best_match_stat.st_mtime);
+			}
+			free(princname);
+			free(realm);
+		}
+		free(namelist);
+	}
+	if (found) {
+		*d = best_match_dir;
+		return 0;
+	}
+
+	return err;
+}
+
+/* check if the ticket cache exists, if not set nocache=1 so that new
+ * tgt is gotten
+ */
+static int
+gssd_check_if_cc_exists(struct gssd_k5_kt_princ *ple)
+{
+	int fd;
+	char cc_name[BUFSIZ];
+
+	snprintf(cc_name, sizeof(cc_name), "%s/%s%s_%s",
+		ccachesearch[0], GSSD_DEFAULT_CRED_PREFIX,
+		GSSD_DEFAULT_MACHINE_CRED_SUFFIX, ple->realm);
+	fd = open(cc_name, O_RDONLY);
+	if (fd < 0)
+		return 1;
+	close(fd);
+	return 0;
+}
+
+/*
+ * Obtain credentials via a key in the keytab given
+ * a keytab handle and a gssd_k5_kt_princ structure.
+ * Checks to see if current credentials are expired,
+ * if not, uses the keytab to obtain new credentials.
+ *
+ * Returns:
+ *	0 => success (or credentials have not expired)
+ *	nonzero => error
+ */
+static int
+gssd_get_single_krb5_cred(krb5_context context,
+			  krb5_keytab kt,
+			  struct gssd_k5_kt_princ *ple,
+			  int force_renew)
+{
+#ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS
+	krb5_get_init_creds_opt *init_opts = NULL;
+#else
+	krb5_get_init_creds_opt options;
+#endif
+	krb5_get_init_creds_opt *opts;
+	krb5_creds my_creds;
+	krb5_ccache ccache = NULL;
+	char kt_name[BUFSIZ];
+	char cc_name[BUFSIZ];
+	int code;
+	time_t now = time(0);
+	char *cache_type;
+	char *pname = NULL;
+	char *k5err = NULL;
+	int nocache = 0;
+	pthread_t tid = pthread_self();
+
+	memset(&my_creds, 0, sizeof(my_creds));
+
+	if (!use_memcache)
+		nocache = gssd_check_if_cc_exists(ple);
+	/*
+	 * Workaround for clock skew among NFS server, NFS client and KDC
+	 * 300 because clock skew must be within 300sec for kerberos
+	 */
+	now += 300;
+	pthread_mutex_lock(&ple_lock);
+	if (ple->ccname && ple->endtime > now && !nocache && !force_renew) {
+		printerr(3, "%s(0x%lx): Credentials in CC '%s' are good until %s",
+			 __func__, tid, ple->ccname, ctime((time_t *)&ple->endtime));
+		code = 0;
+		pthread_mutex_unlock(&ple_lock);
+		goto out;
+	}
+	pthread_mutex_unlock(&ple_lock);
+
+	if ((code = krb5_kt_get_name(context, kt, kt_name, BUFSIZ))) {
+		printerr(0, "ERROR: Unable to get keytab name in "
+			    "gssd_get_single_krb5_cred\n");
+		goto out;
+	}
+
+	if ((krb5_unparse_name(context, ple->princ, &pname)))
+		pname = NULL;
+
+#ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS
+	code = krb5_get_init_creds_opt_alloc(context, &init_opts);
+	if (code) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s allocating gic options\n", k5err);
+		goto out;
+	}
+	if (krb5_get_init_creds_opt_set_addressless(context, init_opts, 1))
+		printerr(1, "WARNING: Unable to set option for addressless "
+			 "tickets.  May have problems behind a NAT.\n");
+#ifdef TEST_SHORT_LIFETIME
+	/* set a short lifetime (for debugging only!) */
+	printerr(1, "WARNING: Using (debug) short machine cred lifetime!\n");
+	krb5_get_init_creds_opt_set_tkt_life(init_opts, 5*60);
+#endif
+	opts = init_opts;
+
+#else	/* HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS */
+
+	krb5_get_init_creds_opt_init(&options);
+	krb5_get_init_creds_opt_set_address_list(&options, NULL);
+#ifdef TEST_SHORT_LIFETIME
+	/* set a short lifetime (for debugging only!) */
+	printerr(0, "WARNING: Using (debug) short machine cred lifetime!\n");
+	krb5_get_init_creds_opt_set_tkt_life(&options, 5*60);
+#endif
+	opts = &options;
+#endif
+
+	if ((code = krb5_get_init_creds_keytab(context, &my_creds, ple->princ,
+					       kt, 0, NULL, opts))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(1, "WARNING: %s while getting initial ticket for "
+			 "principal '%s' using keytab '%s'\n", k5err,
+			 pname ? pname : "<unparsable>", kt_name);
+		goto out;
+	}
+
+	/*
+	 * Initialize cache file which we're going to be using
+	 */
+
+	pthread_mutex_lock(&ple_lock);
+	if (use_memcache)
+	    cache_type = "MEMORY";
+	else
+	    cache_type = "FILE";
+	snprintf(cc_name, sizeof(cc_name), "%s:%s/%s%s_%s",
+		cache_type,
+		ccachesearch[0], GSSD_DEFAULT_CRED_PREFIX,
+		GSSD_DEFAULT_MACHINE_CRED_SUFFIX, ple->realm);
+	ple->endtime = my_creds.times.endtime;
+	if (ple->ccname == NULL || strcmp(ple->ccname, cc_name) != 0) {
+		free(ple->ccname);
+		ple->ccname = strdup(cc_name);
+		if (ple->ccname == NULL) {
+			printerr(0, "ERROR: no storage to duplicate credentials "
+				    "cache name '%s'\n", cc_name);
+			code = ENOMEM;
+			pthread_mutex_unlock(&ple_lock);
+			goto out;
+		}
+	}
+	pthread_mutex_unlock(&ple_lock);
+	if ((code = krb5_cc_resolve(context, cc_name, &ccache))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s while opening credential cache '%s'\n",
+			 k5err, cc_name);
+		goto out;
+	}
+	if ((code = krb5_cc_initialize(context, ccache, ple->princ))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s while initializing credential "
+			 "cache '%s'\n", k5err, cc_name);
+		goto out;
+	}
+	if ((code = krb5_cc_store_cred(context, ccache, &my_creds))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s while storing credentials in '%s'\n",
+			 k5err, cc_name);
+		goto out;
+	}
+
+	code = 0;
+	printerr(2, "%s(0x%lx): principal '%s' ccache:'%s'\n", 
+		__func__, tid, pname, cc_name);
+  out:
+#ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS
+	if (init_opts)
+		krb5_get_init_creds_opt_free(context, init_opts);
+#endif
+	if (pname)
+		k5_free_unparsed_name(context, pname);
+	if (ccache)
+		krb5_cc_close(context, ccache);
+	krb5_free_cred_contents(context, &my_creds);
+	free(k5err);
+	return (code);
+}
+
+/*
+ * Given a principal, find a matching ple structure
+ * Called with mutex held
+ */
+static struct gssd_k5_kt_princ *
+find_ple_by_princ(krb5_context context, krb5_principal princ)
+{
+	struct gssd_k5_kt_princ *ple;
+
+	for (ple = gssd_k5_kt_princ_list; ple != NULL; ple = ple->next) {
+		if (krb5_principal_compare(context, ple->princ, princ))
+			return ple;
+	}
+	/* no match found */
+	return NULL;
+}
+
+/*
+ * Create, initialize, and add a new ple structure to the global list
+ * Called with mutex held
+ */
+static struct gssd_k5_kt_princ *
+new_ple(krb5_context context, krb5_principal princ)
+{
+	struct gssd_k5_kt_princ *ple = NULL, *p;
+	krb5_error_code code;
+	char *default_realm;
+	int is_default_realm = 0;
+
+	ple = malloc(sizeof(struct gssd_k5_kt_princ));
+	if (ple == NULL)
+		goto outerr;
+	memset(ple, 0, sizeof(*ple));
+
+#ifdef HAVE_KRB5
+	ple->realm = strndup(princ->realm.data,
+			     princ->realm.length);
+#else
+	ple->realm = strdup(princ->realm);
+#endif
+	if (ple->realm == NULL)
+		goto outerr;
+	code = krb5_copy_principal(context, princ, &ple->princ);
+	if (code)
+		goto outerr;
+
+	/*
+	 * Add new entry onto the list (if this is the default
+	 * realm, always add to the front of the list)
+	 */
+
+	code = krb5_get_default_realm(context, &default_realm);
+	if (code == 0) {
+		if (strcmp(ple->realm, default_realm) == 0)
+			is_default_realm = 1;
+		k5_free_default_realm(context, default_realm);
+	}
+
+	if (is_default_realm) {
+		ple->next = gssd_k5_kt_princ_list;
+		gssd_k5_kt_princ_list = ple;
+	} else {
+		p = gssd_k5_kt_princ_list;
+		while (p != NULL && p->next != NULL)
+			p = p->next;
+		if (p == NULL)
+			gssd_k5_kt_princ_list = ple;
+		else
+			p->next = ple;
+	}
+
+	ple->refcount = 1;
+	return ple;
+outerr:
+	if (ple) {
+		if (ple->realm)
+			free(ple->realm);
+		free(ple);
+	}
+	return NULL;
+}
+
+/*
+ * Given a principal, find an existing ple structure, or create one
+ */
+static struct gssd_k5_kt_princ *
+get_ple_by_princ(krb5_context context, krb5_principal princ)
+{
+	struct gssd_k5_kt_princ *ple;
+
+	pthread_mutex_lock(&ple_lock);
+	ple = find_ple_by_princ(context, princ);
+	if (ple == NULL) {
+		ple = new_ple(context, princ);
+	}
+	if (ple != NULL) {
+		ple->refcount++;
+	}
+	pthread_mutex_unlock(&ple_lock);
+
+	return ple;
+}
+
+/*
+ * Given a (possibly unqualified) hostname,
+ * return the fully qualified (lower-case!) hostname
+ */
+static int
+get_full_hostname(const char *inhost, char *outhost, int outhostlen)
+{
+	struct addrinfo *addrs = NULL;
+	struct addrinfo hints;
+	int retval;
+	char *c;
+	pthread_t tid = pthread_self();
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_flags = AI_CANONNAME;
+
+	/* Get full target hostname */
+	retval = getaddrinfo(inhost, NULL, &hints, &addrs);
+	if (retval) {
+		printerr(1, "%s(0x%lx): getaddrinfo(%s) failed: %s\n",
+			 __func__, tid, inhost, gai_strerror(retval));
+		goto out;
+	}
+	strncpy(outhost, addrs->ai_canonname, outhostlen);
+	nfs_freeaddrinfo(addrs);
+	for (c = outhost; *c != '\0'; c++)
+	    *c = tolower(*c);
+
+	if (get_verbosity() && strcmp(inhost, outhost))
+		printerr(1, "%s(0x%0lx): inhost '%s' different than outhost '%s'\n", 
+			 __func__, tid, inhost, outhost);
+
+	retval = 0;
+out:
+	return retval;
+}
+
+/* 
+ * If principal matches the given realm and service name,
+ * and has *any* instance (hostname), return 1.
+ * Otherwise return 0, indicating no match.
+ */
+#ifdef HAVE_KRB5
+static int
+realm_and_service_match(krb5_principal p, const char *realm, const char *service)
+{
+	/* Must have two components */
+	if (p->length != 2)
+		return 0;
+
+	if ((strlen(realm) == p->realm.length)
+	    && (strncmp(realm, p->realm.data, p->realm.length) == 0)
+	    && (strlen(service) == p->data[0].length)
+	    && (strncmp(service, p->data[0].data, p->data[0].length) == 0))
+		return 1;
+
+	return 0;
+}
+#else
+static int
+realm_and_service_match(krb5_context context, krb5_principal p,
+			const char *realm, const char *service)
+{
+	const char *name, *inst;
+
+	if (p->name.name_string.len != 2)
+		return 0;
+
+	name = krb5_principal_get_comp_string(context, p, 0);
+	inst = krb5_principal_get_comp_string(context, p, 1);
+	if (name == NULL || inst == NULL)
+		return 0;
+	if ((strcmp(realm, p->realm) == 0)
+	    && (strcmp(service, name) == 0))
+		return 1;
+
+	return 0;
+}
+#endif
+
+/*
+ * Search the given keytab file looking for an entry with the given
+ * service name and realm, ignoring hostname (instance).
+ *
+ * Returns:
+ *	0 => No error
+ *	non-zero => An error occurred
+ *
+ * If a keytab entry is found, "found" is set to one, and the keytab
+ * entry is returned in "kte".  Otherwise, "found" is zero, and the
+ * value of "kte" is unpredictable.
+ */
+static int
+gssd_search_krb5_keytab(krb5_context context, krb5_keytab kt,
+			const char *realm, const char *service,
+			int *found, krb5_keytab_entry *kte)
+{
+	krb5_kt_cursor cursor;
+	krb5_error_code code;
+	struct gssd_k5_kt_princ *ple;
+	int retval = -1, status;
+	char kt_name[BUFSIZ];
+	char *pname;
+	char *k5err = NULL;
+
+	if (found == NULL) {
+		retval = EINVAL;
+		goto out;
+	}
+	*found = 0;
+
+	/*
+	 * Look through each entry in the keytab file and determine
+	 * if we might want to use it as machine credentials.  If so,
+	 * save info in the global principal list (gssd_k5_kt_princ_list).
+	 */
+	if ((code = krb5_kt_get_name(context, kt, kt_name, BUFSIZ))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s attempting to get keytab name\n", k5err);
+		retval = code;
+		goto out;
+	}
+	if ((code = krb5_kt_start_seq_get(context, kt, &cursor))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s while beginning keytab scan "
+			    "for keytab '%s'\n", k5err, kt_name);
+		retval = code;
+		goto out;
+	}
+
+	printerr(4, "Scanning keytab for %s/*@%s\n", service, realm);
+	while ((code = krb5_kt_next_entry(context, kt, kte, &cursor)) == 0) {
+		if ((code = krb5_unparse_name(context, kte->principal,
+					      &pname))) {
+			k5err = gssd_k5_err_msg(context, code);
+			printerr(0, "WARNING: Skipping keytab entry because "
+				 "we failed to unparse principal name: %s\n",
+				 k5err);
+			k5_free_kt_entry(context, kte);
+			free(k5err);
+			k5err = NULL;
+			continue;
+		}
+		printerr(4, "Processing keytab entry for principal '%s'\n",
+			 pname);
+		/* Use the first matching keytab entry found */
+#ifdef HAVE_KRB5
+		status = realm_and_service_match(kte->principal, realm, service);
+#else
+		status = realm_and_service_match(context, kte->principal, realm, service);
+#endif
+		if (status) {
+			printerr(4, "We WILL use this entry (%s)\n", pname);
+			ple = get_ple_by_princ(context, kte->principal);
+			/*
+			 * Return, don't free, keytab entry if
+			 * we were successful!
+			 */
+			if (ple == NULL) {
+				retval = ENOMEM;
+				k5_free_kt_entry(context, kte);
+			} else {
+				release_ple(context, ple);
+				ple = NULL;
+				retval = 0;
+				*found = 1;
+			}
+			k5_free_unparsed_name(context, pname);
+			break;
+		}
+		else {
+			printerr(4, "We will NOT use this entry (%s)\n",
+				pname);
+		}
+		k5_free_unparsed_name(context, pname);
+		k5_free_kt_entry(context, kte);
+	}
+
+	if ((code = krb5_kt_end_seq_get(context, kt, &cursor))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "WARNING: %s while ending keytab scan for "
+			    "keytab '%s'\n", k5err, kt_name);
+	}
+
+	/* Only clear the retval if has not been set */
+	if (retval < 0)
+		retval = 0;
+  out:
+	free(k5err);
+	return retval;
+}
+
+/*
+ * Find a keytab entry to use for a given target realm.
+ * Tries to find the most appropriate keytab to use given the
+ * name of the host we are trying to connect with.
+ *
+ * Note: the tgtname contains a hostname in the realm that we
+ * are authenticating to. It may, or may not be the same as
+ * the server hostname.
+ */
+static int
+find_keytab_entry(krb5_context context, krb5_keytab kt,
+		  const char *srchost, const char *tgtname,
+		  krb5_keytab_entry *kte, const char **svcnames)
+{
+	krb5_error_code code;
+	char **realmnames = NULL;
+	char myhostname[NI_MAXHOST], targethostname[NI_MAXHOST];
+	char myhostad[NI_MAXHOST+1];
+	int i, j, k, retval;
+	char *default_realm = NULL;
+	char *realm;
+	char *k5err = NULL;
+	int tried_all = 0, tried_default = 0, tried_upper = 0;
+	krb5_principal princ;
+	const char *notsetstr = "not set";
+	char *adhostoverride = NULL;
+	pthread_t tid = pthread_self();
+
+
+	/* Get full target hostname */
+	retval = get_full_hostname(tgtname, targethostname,
+				   sizeof(targethostname));
+	if (retval)
+		goto out;
+
+	/* Get full local hostname */
+	if (srchost) {
+		strcpy(myhostname, srchost);
+	        strcpy(myhostad, myhostname);
+	} else {
+		/* Borrow myhostad for gethostname(), we need it later anyways */
+		if (gethostname(myhostad, sizeof(myhostad)-1) == -1) {
+			retval = errno;
+			k5err = gssd_k5_err_msg(context, retval);
+			printerr(1, "%s while getting local hostname\n", k5err);
+			goto out;
+		}
+		retval = get_full_hostname(myhostad, myhostname, sizeof(myhostname));
+		if (retval) {
+			/* Don't use myhostname */
+			myhostname[0] = 0;
+		}
+	}
+
+	/* Compute the active directory machine name HOST$ */
+	krb5_appdefault_string(context, "nfs", NULL, "ad_principal_name",
+		notsetstr, &adhostoverride);
+	if (adhostoverride && strcmp(adhostoverride, notsetstr) != 0) {
+		printerr(1,
+			 "AD host string overridden with \"%s\" from appdefaults\n",
+			 adhostoverride);
+		/* No overflow: Windows cannot handle strings longer than 19 chars */
+		strcpy(myhostad, adhostoverride);
+	} else {
+		/* In this case, it's been pre-filled above */
+		for (i = 0; myhostad[i] != 0; ++i) {
+			if (myhostad[i] == '.') break;
+		}
+		myhostad[i] = '$';
+		myhostad[i+1] = 0;
+	}
+	if (adhostoverride)
+		krb5_free_string(context, adhostoverride);
+
+	code = krb5_get_default_realm(context, &default_realm);
+	if (code) {
+		retval = code;
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(1, "%s while getting default realm name\n", k5err);
+		goto out;
+	}
+
+	/*
+	 * Get the realm name(s) for the target hostname.
+	 * In reality, this function currently only returns a
+	 * single realm, but we code with the assumption that
+	 * someday it may actually return a list.
+	 */
+	code = krb5_get_host_realm(context, targethostname, &realmnames);
+	if (code) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s while getting realm(s) for host '%s'\n",
+			 k5err, targethostname);
+		retval = code;
+		goto out;
+	}
+
+	/*
+	 * Make sure the preferred_realm, which may have been explicitly set
+	 * on the command line, is tried first. If nothing is found go on with
+	 * the host and local default realm (if that hasn't already been tried).
+	 */
+	i = 0;
+	realm = realmnames[i];
+
+	if (preferred_realm && strcmp (realm, preferred_realm) != 0) {
+		realm = preferred_realm;
+		/* resetting the realmnames index */
+		i = -1;
+	}
+
+	while (1) {
+		if (realm == NULL) {
+			tried_all = 1;
+			if (!tried_default)
+				realm = default_realm;
+		}
+		if (tried_all && tried_default)
+			break;
+		if (strcmp(realm, default_realm) == 0)
+			tried_default = 1;
+		for (j = 0; svcnames[j] != NULL; j++) {
+			char spn[NI_MAXHOST+2];
+
+			/*
+			 * The special svcname "$" means 'try the active
+			 * directory machine account'
+			 */
+			if (strcmp(svcnames[j],"$") == 0) {
+				snprintf(spn, sizeof(spn), "%s@%s", myhostad, realm);
+				code = krb5_build_principal_ext(context, &princ,
+								strlen(realm),
+								realm,
+								strlen(myhostad),
+								myhostad,
+								NULL);
+			} else {
+				if (!myhostname[0])
+					continue;
+				snprintf(spn, sizeof(spn), "%s/%s@%s",
+					 svcnames[j], myhostname, realm);
+				code = krb5_build_principal_ext(context, &princ,
+								strlen(realm),
+								realm,
+								strlen(svcnames[j]),
+								svcnames[j],
+								strlen(myhostname),
+								myhostname,
+								NULL);
+			}
+
+			if (code) {
+				k5err = gssd_k5_err_msg(context, code);
+				printerr(1, "%s while building principal for '%s'\n",
+					 k5err, spn);
+				free(k5err);
+				k5err = NULL;
+				continue;
+			}
+			code = krb5_kt_get_entry(context, kt, princ, 0, 0, kte);
+			krb5_free_principal(context, princ);
+			if (code) {
+				k5err = gssd_k5_err_msg(context, code);
+				printerr(3, "%s while getting keytab entry for '%s'\n",
+					 k5err, spn);
+				free(k5err);
+				k5err = NULL;
+				/*
+				 * We tried the active directory machine account
+				 * with the hostname part as-is and failed...
+				 * convert it to uppercase and try again before
+				 * moving on to the svcname
+				 */
+				if (strcmp(svcnames[j],"$") == 0 && !tried_upper) {
+					for (k = 0; myhostad[k] != '$'; ++k) {
+						myhostad[k] = toupper(myhostad[k]);
+					}
+					j--;
+					tried_upper = 1;
+				}
+			} else {
+				printerr(2, "find_keytab_entry(0x%lx): Success getting keytab entry for '%s'\n",tid, spn);
+				retval = 0;
+				goto out;
+			}
+			retval = code;
+		}
+		/*
+		 * Nothing found with our hostname instance, now look for
+		 * names with any instance (they must have an instance)
+		 */
+		for (j = 0; svcnames[j] != NULL; j++) {
+			int found = 0;
+			if (strcmp(svcnames[j],"$") == 0)
+				continue;
+			code = gssd_search_krb5_keytab(context, kt, realm,
+						       svcnames[j], &found, kte);
+			if (!code && found) {
+				printerr(3, "Success getting keytab entry for "
+					 "%s/*@%s\n", svcnames[j], realm);
+				retval = 0;
+				goto out;
+			}
+		}
+		if (!tried_all) {
+			i++;
+			realm = realmnames[i];
+		}
+	}
+out:
+	if (default_realm)
+		k5_free_default_realm(context, default_realm);
+	if (realmnames)
+		krb5_free_host_realm(context, realmnames);
+	free(k5err);
+	return retval;
+}
+
+
+static inline int data_is_equal(krb5_data d1, krb5_data d2)
+{
+	return (d1.length == d2.length
+		&& memcmp(d1.data, d2.data, d1.length) == 0);
+}
+
+static int
+check_for_tgt(krb5_context context, krb5_ccache ccache,
+	      krb5_principal principal)
+{
+	krb5_error_code ret;
+	krb5_creds creds;
+	krb5_cc_cursor cur;
+	int found = 0;
+
+	ret = krb5_cc_start_seq_get(context, ccache, &cur);
+	if (ret) 
+		return 0;
+
+	while (!found &&
+		(ret = krb5_cc_next_cred(context, ccache, &cur, &creds)) == 0) {
+		if (creds.server->length == 2 &&
+				data_is_equal(creds.server->realm,
+					      principal->realm) &&
+				creds.server->data[0].length == 6 &&
+				memcmp(creds.server->data[0].data,
+						"krbtgt", 6) == 0 &&
+				data_is_equal(creds.server->data[1],
+					      principal->realm) &&
+				creds.times.endtime > time(NULL))
+			found = 1;
+		krb5_free_cred_contents(context, &creds);
+	}
+	krb5_cc_end_seq_get(context, ccache, &cur);
+
+	return found;
+}
+
+static int
+query_krb5_ccache(const char* cred_cache, char **ret_princname,
+		  char **ret_realm)
+{
+	krb5_error_code ret;
+	krb5_context context;
+	krb5_ccache ccache;
+	krb5_principal principal;
+	int found = 0;
+	char *str = NULL;
+	char *princstring;
+
+	*ret_princname = *ret_realm = NULL;
+
+	ret = krb5_init_context(&context);
+	if (ret) 
+		return 0;
+
+	if(!cred_cache || krb5_cc_resolve(context, cred_cache, &ccache))
+		goto err_cache;
+
+	if (krb5_cc_set_flags(context, ccache, 0))
+		goto err_princ;
+
+	ret = krb5_cc_get_principal(context, ccache, &principal);
+	if (ret) 
+		goto err_princ;
+
+	found = check_for_tgt(context, ccache, principal);
+	if (found) {
+		ret = krb5_unparse_name(context, principal, &princstring);
+		if (ret == 0) {
+		    if ((str = strchr(princstring, '@')) != NULL) {
+			    *str = '\0';
+			    *ret_princname = strdup(princstring);
+			    *ret_realm = strdup(str+1);
+			    if (!*ret_princname || !*ret_realm) {
+				    free(*ret_princname);
+				    free(*ret_realm);
+				    *ret_princname = NULL;
+				    *ret_realm = NULL;
+			    }
+		    }
+		    k5_free_unparsed_name(context, princstring);
+		}
+	}
+	krb5_free_principal(context, principal);
+err_princ:
+	krb5_cc_set_flags(context, ccache,  KRB5_TC_OPENCLOSE);
+	krb5_cc_close(context, ccache);
+err_cache:
+	krb5_free_context(context);
+	return (*ret_princname && *ret_realm);
+}
+
+/*
+ * Obtain (or refresh if necessary) Kerberos machine credentials
+ * If a ple is passed in, it's reference will be released
+ */
+static int
+gssd_refresh_krb5_machine_credential_internal(char *hostname,
+				     struct gssd_k5_kt_princ *ple,
+				     char *service, char *srchost,
+				     int force_renew)
+{
+	krb5_error_code code = 0;
+	krb5_context context;
+	krb5_keytab kt = NULL;;
+	int retval = 0;
+	char *k5err = NULL;
+	const char *svcnames[] = { "$", "root", "nfs", "host", NULL };
+
+	/*
+	 * If a specific service name was specified, use it.
+	 * Otherwise, use the default list.
+	 */
+	if (service != NULL && strcmp(service, "*") != 0) {
+		svcnames[0] = service;
+		svcnames[1] = NULL;
+	}
+	if (hostname == NULL && ple == NULL) {
+		printerr(0, "ERROR: %s: Invalid args\n", __func__);
+		return EINVAL;
+	}
+	code = krb5_init_context(&context);
+	if (code) {
+		k5err = gssd_k5_err_msg(NULL, code);
+		printerr(0, "ERROR: %s: %s while initializing krb5 context\n",
+			 __func__, k5err);
+		retval = code;
+		goto out;
+	}
+
+	if ((code = krb5_kt_resolve(context, keytabfile, &kt))) {
+		k5err = gssd_k5_err_msg(context, code);
+		printerr(0, "ERROR: %s: %s while resolving keytab '%s'\n",
+			 __func__, k5err, keytabfile);
+		goto out_free_context;
+	}
+
+	if (ple == NULL) {
+		krb5_keytab_entry kte;
+
+		code = find_keytab_entry(context, kt, srchost, hostname,
+					 &kte, svcnames);
+		if (code) {
+			printerr(0, "ERROR: %s: no usable keytab entry found "
+				 "in keytab %s for connection with host %s\n",
+				 __FUNCTION__, keytabfile, hostname);
+			retval = code;
+			goto out_free_kt;
+		}
+
+		ple = get_ple_by_princ(context, kte.principal);
+		k5_free_kt_entry(context, &kte);
+		if (ple == NULL) {
+			char *pname;
+			if ((krb5_unparse_name(context, kte.principal, &pname))) {
+				pname = NULL;
+			}
+			printerr(0, "ERROR: %s: Could not locate or create "
+				 "ple struct for principal %s for connection "
+				 "with host %s\n",
+				 __FUNCTION__, pname ? pname : "<unparsable>",
+				 hostname);
+			if (pname) k5_free_unparsed_name(context, pname);
+			goto out_free_kt;
+		}
+	}
+	retval = gssd_get_single_krb5_cred(context, kt, ple, force_renew);
+out_free_kt:
+	krb5_kt_close(context, kt);
+out_free_context:
+	if (ple)
+		release_ple(context, ple);
+	krb5_free_context(context);
+out:
+	free(k5err);
+	return retval;
+}
+
+/*==========================*/
+/*===  External routines ===*/
+/*==========================*/
+
+/*
+ * Attempt to find the best match for a credentials cache file
+ * given only a UID.  We really need more information, but we
+ * do the best we can.
+ *
+ * Returns 0 if a ccache was found, or a negative errno otherwise.
+ */
+int
+gssd_setup_krb5_user_gss_ccache(uid_t uid, char *servername, char *dirpattern)
+{
+				/* dirname + cctype + d_name + NULL */
+	char			buf[PATH_MAX+5+256+1], dirname[PATH_MAX];
+	const char		*cctype;
+	struct dirent		*d;
+	int			err, i, j;
+	u_int			maj_stat, min_stat;
+
+	printerr(3, "looking for client creds with uid %u for "
+		    "server %s in %s\n", uid, servername, dirpattern);
+
+	for (i = 0, j = 0; dirpattern[i] != '\0'; i++) {
+		switch (dirpattern[i]) {
+		case '%':
+			switch (dirpattern[i + 1]) {
+			case '%':
+				dirname[j++] = dirpattern[i];
+				i++;
+				break;
+			case 'U':
+				j += sprintf(dirname + j, "%lu",
+					     (unsigned long) uid);
+				i++;
+				break;
+			}
+			break;
+		default:
+			dirname[j++] = dirpattern[i];
+			break;
+		}
+	}
+	dirname[j] = '\0';
+
+	err = gssd_find_existing_krb5_ccache(uid, dirname, &cctype, &d);
+	if (err)
+		return err;
+
+	snprintf(buf, sizeof(buf), "%s:%s/%s", cctype, dirname, d->d_name);
+	free(d);
+
+	printerr(2, "using %s as credentials cache for client with "
+		    "uid %u for server %s\n", buf, uid, servername);
+
+	printerr(3, "using gss_krb5_ccache_name to select krb5 ccache %s\n",
+		 buf);
+	maj_stat = gss_krb5_ccache_name(&min_stat, buf, NULL);
+	if (maj_stat != GSS_S_COMPLETE) {
+		printerr(0, "ERROR: unable to get user cred cache '%s' "
+			 "failed (%s)\n", buf, error_message(min_stat));
+		return maj_stat;
+	}
+	return 0;
+}
+
+/*
+ * Return an array of pointers to names of credential cache files
+ * which can be used to try to create gss contexts with a server.
+ *
+ * Returns:
+ *	0 => list is attached
+ *	nonzero => error
+ */
+int
+gssd_get_krb5_machine_cred_list(char ***list)
+{
+	char **l;
+	int listinc = 10;
+	int listsize = listinc;
+	int i = 0;
+	int retval;
+	struct gssd_k5_kt_princ *ple;
+
+	/* Assume failure */
+	retval = -1;
+	*list = (char **) NULL;
+
+	if ((l = (char **) malloc(listsize * sizeof(char *))) == NULL) {
+		retval = ENOMEM;
+		goto out;
+	}
+
+	pthread_mutex_lock(&ple_lock);
+	for (ple = gssd_k5_kt_princ_list; ple; ple = ple->next) {
+		if (!ple->ccname)
+			continue;
+
+		/* Take advantage of the fact we only remove the ple
+		 * from the list during shutdown. If it's modified
+		 * concurrently at worst we'll just miss a new entry
+		 * before the current ple
+		 *
+		 * gssd_refresh_krb5_machine_credential_internal() will
+		 * release the ple refcount
+		 */
+		ple->refcount++;
+		pthread_mutex_unlock(&ple_lock);
+		/* Make sure cred is up-to-date before returning it */
+		retval = gssd_refresh_krb5_machine_credential_internal(NULL, ple,
+								       NULL, NULL, 0);
+		pthread_mutex_lock(&ple_lock);
+		if (gssd_k5_kt_princ_list == NULL) {
+			/* Looks like we did shutdown... abort */
+			l[i] = NULL;
+			gssd_free_krb5_machine_cred_list(l);
+			retval = ENOMEM;
+			goto out_lock;
+		}
+		if (retval)
+			continue;
+		if (i + 1 > listsize) {
+			char **tmplist;
+			listsize += listinc;
+			tmplist = (char **)
+				realloc(l, listsize * sizeof(char *));
+			if (tmplist == NULL) {
+				gssd_free_krb5_machine_cred_list(l);
+				retval = ENOMEM;
+				goto out_lock;
+			}
+			l = tmplist;
+		}
+		if ((l[i++] = strdup(ple->ccname)) == NULL) {
+			gssd_free_krb5_machine_cred_list(l);
+			retval = ENOMEM;
+			goto out_lock;
+		}
+	}
+	if (i > 0) {
+		l[i] = NULL;
+		*list = l;
+		retval = 0;
+	} else
+		free((void *)l);
+out_lock:
+	pthread_mutex_unlock(&ple_lock);
+  out:
+	return retval;
+}
+
+/*
+ * Frees the list of names returned in get_krb5_machine_cred_list()
+ */
+void
+gssd_free_krb5_machine_cred_list(char **list)
+{
+	char **n;
+
+	if (list == NULL)
+		return;
+	for (n = list; n && *n; n++) {
+		free(*n);
+	}
+	free(list);
+}
+
+/*
+ * Called upon exit.  Destroys machine credentials.
+ */
+void
+gssd_destroy_krb5_principals(int destroy_machine_creds)
+{
+	krb5_context context;
+	krb5_error_code code = 0;
+	krb5_ccache ccache;
+	struct gssd_k5_kt_princ *ple;
+	char *k5err = NULL;
+
+	code = krb5_init_context(&context);
+	if (code) {
+		k5err = gssd_k5_err_msg(NULL, code);
+		printerr(0, "ERROR: %s while initializing krb5\n", k5err);
+		free(k5err);
+		return;
+	}
+
+	pthread_mutex_lock(&ple_lock);
+	while (gssd_k5_kt_princ_list) {
+		ple = gssd_k5_kt_princ_list;
+		gssd_k5_kt_princ_list = ple->next;
+
+		if (destroy_machine_creds && ple->ccname) {
+			if ((code = krb5_cc_resolve(context, ple->ccname, &ccache))) {
+				k5err = gssd_k5_err_msg(context, code);
+				printerr(0, "WARNING: %s while resolving credential "
+					    "cache '%s' for destruction\n", k5err,
+					    ple->ccname);
+				free(k5err);
+				k5err = NULL;
+			}
+
+			if (!code && (code = krb5_cc_destroy(context, ccache))) {
+				k5err = gssd_k5_err_msg(context, code);
+				printerr(0, "WARNING: %s while destroying credential "
+					    "cache '%s'\n", k5err, ple->ccname);
+				free(k5err);
+				k5err = NULL;
+			}
+		}
+
+		release_ple_locked(context, ple);
+	}
+	pthread_mutex_unlock(&ple_lock);
+	krb5_free_context(context);
+}
+
+/*
+ * Obtain (or refresh if necessary) Kerberos machine credentials
+ */
+int
+gssd_refresh_krb5_machine_credential(char *hostname,
+				     char *service, char *srchost,
+				     int force_renew)
+{
+    return gssd_refresh_krb5_machine_credential_internal(hostname, NULL,
+							 service, srchost,
+							 force_renew);
+}
+
+/*
+ * A common routine for getting the Kerberos error message
+ */
+char *
+gssd_k5_err_msg(krb5_context context, krb5_error_code code)
+{
+	const char *origmsg;
+	char *msg = NULL;
+
+#if HAVE_KRB5_GET_ERROR_MESSAGE
+	if (context != NULL) {
+		origmsg = krb5_get_error_message(context, code);
+		msg = strdup(origmsg);
+		krb5_free_error_message(context, origmsg);
+	}
+#endif
+	if (msg != NULL)
+		return msg;
+#if HAVE_KRB5
+	return strdup(error_message(code));
+#else
+	if (context != NULL)
+		return strdup(krb5_get_err_text(context, code));
+	else
+		return strdup(error_message(code));
+#endif
+}
+
+/*
+ * Return default Kerberos realm
+ */
+void
+gssd_k5_get_default_realm(char **def_realm)
+{
+	krb5_context context;
+
+	if (krb5_init_context(&context))
+		return;
+
+	krb5_get_default_realm(context, def_realm);
+
+	krb5_free_context(context);
+}
+
+static int
+gssd_acquire_krb5_cred(gss_cred_id_t *gss_cred)
+{
+	OM_uint32 maj_stat, min_stat;
+	gss_OID_set_desc desired_mechs = { 1, &krb5oid };
+
+	maj_stat = gss_acquire_cred(&min_stat, GSS_C_NO_NAME, GSS_C_INDEFINITE,
+				    &desired_mechs, GSS_C_INITIATE,
+				    gss_cred, NULL, NULL);
+
+	if (maj_stat != GSS_S_COMPLETE) {
+		if (get_verbosity() > 0)
+			pgsserr("gss_acquire_cred",
+				maj_stat, min_stat, &krb5oid);
+		return -1;
+	}
+
+	return 0;
+}
+
+int
+gssd_acquire_user_cred(gss_cred_id_t *gss_cred)
+{
+	OM_uint32 maj_stat, min_stat;
+	int ret;
+
+	ret = gssd_acquire_krb5_cred(gss_cred);
+	if (ret)
+		return ret;
+
+	/* force validation of cred to check for expiry */
+	maj_stat = gss_inquire_cred(&min_stat, *gss_cred,
+			NULL, NULL, NULL, NULL);
+	if (maj_stat != GSS_S_COMPLETE) {
+		if (get_verbosity() > 0)
+			pgsserr("gss_inquire_cred",
+				maj_stat, min_stat, &krb5oid);
+		ret = -1;
+	}
+
+	return ret;
+}
+
+/* Removed a service ticket for nfs/<name> from the ticket cache
+ */
+int
+gssd_k5_remove_bad_service_cred(char *name)
+{
+        krb5_creds in_creds, out_creds;
+        krb5_error_code ret;
+        krb5_context context;
+        krb5_ccache cache;
+        krb5_principal principal;
+        int retflags = KRB5_TC_MATCH_SRV_NAMEONLY;
+        char srvname[1024];
+
+        ret = krb5_init_context(&context);
+        if (ret)
+                goto out_cred;
+        ret = krb5_cc_default(context, &cache);
+        if (ret)
+                goto out_free_context;
+        ret = krb5_cc_get_principal(context, cache, &principal);
+        if (ret)
+                goto out_close_cache;
+        memset(&in_creds, 0, sizeof(in_creds));
+        in_creds.client = principal;
+        sprintf(srvname, "nfs/%s", name);
+        ret = krb5_parse_name(context, srvname, &in_creds.server);
+        if (ret)
+                goto out_free_principal;
+        ret = krb5_cc_retrieve_cred(context, cache, retflags, &in_creds, &out_creds);
+        if (ret)
+                goto out_free_principal;
+        ret = krb5_cc_remove_cred(context, cache, 0, &out_creds);
+out_free_principal:
+        krb5_free_principal(context, principal);
+out_close_cache:
+        krb5_cc_close(context, cache);
+out_free_context:
+        krb5_free_context(context);
+out_cred:
+        return ret;
+}
+
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+/*
+ * this routine obtains a credentials handle via gss_acquire_cred()
+ * then calls gss_krb5_set_allowable_enctypes() to limit the encryption
+ * types negotiated.
+ *
+ * XXX Should call some function to determine the enctypes supported
+ * by the kernel. (Only need to do that once!)
+ *
+ * Returns:
+ *	0 => all went well
+ *     -1 => there was an error
+ */
+
+int
+limit_krb5_enctypes(struct rpc_gss_sec *sec)
+{
+	u_int maj_stat, min_stat;
+	krb5_enctype enctypes[] = { ENCTYPE_DES_CBC_CRC,
+				    ENCTYPE_DES_CBC_MD5,
+				    ENCTYPE_DES_CBC_MD4 };
+	int num_enctypes = sizeof(enctypes) / sizeof(enctypes[0]);
+	extern int num_krb5_enctypes;
+	extern krb5_enctype *krb5_enctypes;
+	int err = -1;
+
+	if (sec->cred == GSS_C_NO_CREDENTIAL) {
+		err = gssd_acquire_krb5_cred(&sec->cred);
+		if (err)
+			return -1;
+	}
+
+	/*
+	 * If we failed for any reason to produce global
+	 * list of supported enctypes, use local default here.
+	 */
+	if (krb5_enctypes == NULL || limit_to_legacy_enctypes)
+		maj_stat = gss_set_allowable_enctypes(&min_stat, sec->cred,
+					&krb5oid, num_enctypes, enctypes);
+	else
+		maj_stat = gss_set_allowable_enctypes(&min_stat, sec->cred,
+					&krb5oid, num_krb5_enctypes, krb5_enctypes);
+
+	if (maj_stat != GSS_S_COMPLETE) {
+		pgsserr("gss_set_allowable_enctypes",
+			maj_stat, min_stat, &krb5oid);
+		return -1;
+	}
+
+	return 0;
+}
+#endif	/* HAVE_SET_ALLOWABLE_ENCTYPES */
diff --git a/utils/gssd/krb5_util.h b/utils/gssd/krb5_util.h
new file mode 100644
index 0000000..7ef8701
--- /dev/null
+++ b/utils/gssd/krb5_util.h
@@ -0,0 +1,47 @@
+#ifndef KRB5_UTIL_H
+#define KRB5_UTIL_H
+
+#include <krb5.h>
+
+#ifdef HAVE_LIBTIRPC
+#include <rpc/auth_gss.h>
+#else
+#include "gss_oids.h"
+#endif
+
+
+int gssd_setup_krb5_user_gss_ccache(uid_t uid, char *servername,
+				     char *dirname);
+int  gssd_get_krb5_machine_cred_list(char ***list);
+void gssd_free_krb5_machine_cred_list(char **list);
+void gssd_destroy_krb5_principals(int destroy_machine_creds);
+int  gssd_refresh_krb5_machine_credential(char *hostname,
+					  char *service, char *srchost,
+					  int force_renew);
+char *gssd_k5_err_msg(krb5_context context, krb5_error_code code);
+void gssd_k5_get_default_realm(char **def_realm);
+
+int gssd_acquire_user_cred(gss_cred_id_t *gss_cred);
+int gssd_k5_remove_bad_service_cred(char *srvname);
+
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+extern int limit_to_legacy_enctypes;
+int limit_krb5_enctypes(struct rpc_gss_sec *sec);
+#endif
+
+/*
+ * Hide away some of the MIT vs. Heimdal differences
+ * here with macros...
+ */
+
+#ifdef HAVE_KRB5
+#define k5_free_unparsed_name(ctx, name)	krb5_free_unparsed_name((ctx), (name))
+#define k5_free_default_realm(ctx, realm)	krb5_free_default_realm((ctx), (realm))
+#define k5_free_kt_entry(ctx, kte)		krb5_free_keytab_entry_contents((ctx),(kte))
+#else	/* Heimdal */
+#define k5_free_unparsed_name(ctx, name)	free(name)
+#define k5_free_default_realm(ctx, realm)	free(realm)
+#define k5_free_kt_entry(ctx, kte)		krb5_kt_free_entry((ctx),(kte))
+#endif
+
+#endif /* KRB5_UTIL_H */
diff --git a/utils/gssd/svcgssd.c b/utils/gssd/svcgssd.c
new file mode 100644
index 0000000..ce78d8f
--- /dev/null
+++ b/utils/gssd/svcgssd.c
@@ -0,0 +1,348 @@
+/*
+  gssd.c
+
+  Copyright (c) 2000 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2000 Dug Song <dugsong@UMICH.EDU>.
+  Copyright (c) 2002 Andy Adamson <andros@UMICH.EDU>.
+  Copyright (c) 2002 Marius Aamodt Eriksen <marius@UMICH.EDU>.
+  Copyright (c) 2002 J. Bruce Fields <bfields@UMICH.EDU>.
+  All rights reserved, all wrongs reversed.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <rpc/rpc.h>
+#include <fcntl.h>
+#include <errno.h>
+
+
+#include <unistd.h>
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <nfsidmap.h>
+#include <event2/event.h>
+
+#include "nfslib.h"
+#include "svcgssd.h"
+#include "gss_util.h"
+#include "err_util.h"
+#include "conffile.h"
+#include "misc.h"
+#include "svcgssd_krb5.h"
+
+static bool signal_received = false;
+static struct event_base *evbase = NULL;
+static int nullrpc_fd = -1;
+static struct event *nullrpc_event = NULL;
+static struct event *wait_event = NULL;
+
+#define NULLRPC_FILE "/proc/net/rpc/auth.rpcsec.init/channel"
+
+static void
+sig_die(int signal)
+{
+	if (signal_received) {
+		/* destroy krb5 machine creds */
+		printerr(1, "forced exiting on signal %d\n", signal);
+		exit(0);
+	}
+	signal_received = true;
+	printerr(1, "exiting on signal %d\n", signal);
+	event_base_loopexit(evbase, NULL);
+}
+
+static void
+sig_hup(int signal)
+{
+	/* don't exit on SIGHUP */
+	printerr(1, "Received SIGHUP(%d)... Ignoring.\n", signal);
+	return;
+}
+
+static void
+usage(char *progname)
+{
+	fprintf(stderr, "usage: %s [-n] [-f] [-v] [-r] [-i] [-p principal]\n",
+		progname);
+	exit(1);
+}
+
+static void
+svcgssd_nullrpc_cb(int fd, short UNUSED(which), void *UNUSED(data))
+{
+	char	lbuf[RPC_CHAN_BUF_SIZE];
+	int	lbuflen = 0;
+
+	printerr(1, "reading null request\n");
+
+	lbuflen = read(fd, lbuf, sizeof(lbuf));
+	if (lbuflen <= 0 || lbuf[lbuflen-1] != '\n') {
+		printerr(0, "WARNING: handle_nullreq: failed reading request\n");
+		return;
+	}
+	lbuf[lbuflen-1] = 0;
+
+	handle_nullreq(lbuf);
+}
+
+static void
+svcgssd_nullrpc_close(void)
+{
+	if (nullrpc_event) {
+		printerr(2, "closing nullrpc channel %s\n", NULLRPC_FILE);
+		event_free(nullrpc_event);
+		nullrpc_event = NULL;
+	}
+	if (nullrpc_fd != -1) {
+		close(nullrpc_fd);
+		nullrpc_fd = -1;
+	}
+}
+
+static void
+svcgssd_nullrpc_open(void)
+{
+	nullrpc_fd = open(NULLRPC_FILE, O_RDWR);
+	if (nullrpc_fd < 0) {
+		printerr(0, "failed to open %s: %s\n",
+			 NULLRPC_FILE, strerror(errno));
+		return;
+	}
+	nullrpc_event = event_new(evbase, nullrpc_fd, EV_READ | EV_PERSIST,
+				  svcgssd_nullrpc_cb, NULL);
+	if (!nullrpc_event) {
+		printerr(0, "failed to create event for %s: %s\n",
+			 NULLRPC_FILE, strerror(errno));
+		close(nullrpc_fd);
+		nullrpc_fd = -1;
+		return;
+	}
+	event_add(nullrpc_event, NULL);
+	printerr(2, "opened nullrpc channel %s\n", NULLRPC_FILE);
+}
+
+static void
+svcgssd_wait_cb(int UNUSED(fd), short UNUSED(which), void *UNUSED(data))
+{
+	static int times = 0;
+	int rc;
+
+	rc = access(NULLRPC_FILE, R_OK | W_OK);
+	if (rc != 0) {
+		struct timeval t = {times < 10 ? 1 : 10, 0};
+		times++;
+		if (times % 30 == 0)
+			printerr(2, "still waiting for nullrpc channel: %s\n",
+				NULLRPC_FILE);
+		evtimer_add(wait_event, &t);
+		return;
+	}
+
+	svcgssd_nullrpc_open();
+	event_free(wait_event);
+	wait_event = NULL;
+}
+
+
+
+int
+main(int argc, char *argv[])
+{
+	int get_creds = 1;
+	int fg = 0;
+	int verbosity = 0;
+	int rpc_verbosity = 0;
+	int idmap_verbosity = 0;
+	int opt, status;
+	extern char *optarg;
+	char *progname;
+	char *principal = NULL;
+	char *s;
+	int rc;
+
+	conf_init_file(NFS_CONFFILE);
+
+	s = conf_get_str("svcgssd", "principal");
+	if (!s)
+		;
+	else if (strcmp(s, "system")== 0)
+		get_creds = 0;
+	else
+		principal = s;
+
+	verbosity = conf_get_num("svcgssd", "Verbosity", verbosity);
+	rpc_verbosity = conf_get_num("svcgssd", "RPC-Verbosity", rpc_verbosity);
+	idmap_verbosity = conf_get_num("svcgssd", "IDMAP-Verbosity", idmap_verbosity);
+
+	while ((opt = getopt(argc, argv, "fivrnp:")) != -1) {
+		switch (opt) {
+			case 'f':
+				fg = 1;
+				break;
+			case 'i':
+				idmap_verbosity++;
+				break;
+			case 'n':
+				get_creds = 0;
+				break;
+			case 'v':
+				verbosity++;
+				break;
+			case 'r':
+				rpc_verbosity++;
+				break;
+			case 'p':
+				principal = optarg;
+				break;
+			default:
+				usage(argv[0]);
+				break;
+		}
+	}
+
+	if ((progname = strrchr(argv[0], '/')))
+		progname++;
+	else
+		progname = argv[0];
+
+	initerr(progname, verbosity, fg);
+#ifdef HAVE_AUTHGSS_SET_DEBUG_LEVEL
+	if (verbosity && rpc_verbosity == 0)
+		rpc_verbosity = verbosity;
+	authgss_set_debug_level(rpc_verbosity);
+#elif HAVE_LIBTIRPC_SET_DEBUG
+        /*
+	 * Only set the libtirpc debug level if explicitly requested via -r...
+	 * svcgssd is chatty enough as it is.
+	 */
+        if (rpc_verbosity > 0)
+                libtirpc_set_debug(progname, rpc_verbosity, fg);
+#else
+	if (rpc_verbosity > 0)
+		printerr(0, "Warning: rpcsec_gss library does not "
+			    "support setting debug level\n");
+#endif
+#ifdef HAVE_NFS4_SET_DEBUG
+		if (verbosity && idmap_verbosity == 0)
+			idmap_verbosity = verbosity;
+        nfs4_set_debug(idmap_verbosity, NULL);
+#else
+	if (idmap_verbosity > 0)
+		printerr(0, "Warning: your nfsidmap library does not "
+			    "support setting debug level\n");
+#endif
+
+	if (gssd_check_mechs() != 0) {
+		printerr(0, "ERROR: Problem with gssapi library\n");
+		exit(1);
+	}
+
+	daemon_init(fg);
+
+	evbase = event_base_new();
+	if (!evbase) {
+		printerr(0, "ERROR: failed to create event base: %s\n", strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	signal(SIGINT, sig_die);
+	signal(SIGTERM, sig_die);
+	signal(SIGHUP, sig_hup);
+
+	if (get_creds) {
+		if (principal)
+			status = gssd_acquire_cred(principal, 
+				((const gss_OID)GSS_C_NT_USER_NAME));
+		else
+			status = gssd_acquire_cred(GSSD_SERVICE_NAME, 
+				(const gss_OID)GSS_C_NT_HOSTBASED_SERVICE);
+		if (status == FALSE) {
+			printerr(0, "unable to obtain root (machine) credentials\n");
+			printerr(0, "do you have a keytab entry for %s in"
+				"/etc/krb5.keytab?\n",
+				principal ? principal : "nfs/<your.host>@<YOUR.REALM>");
+			exit(1);
+		}
+	} else {
+		status = gssd_acquire_cred(NULL,
+			(const gss_OID)GSS_C_NT_HOSTBASED_SERVICE);
+		if (status == FALSE) {
+			printerr(0, "unable to obtain nameless credentials\n");
+			exit(1);
+		}
+	}
+
+	svcgssd_nullrpc_open();
+	if (!nullrpc_event) {
+		struct timeval t = {1, 0};
+
+		printerr(2, "waiting for nullrpc channel to appear\n");
+		wait_event = evtimer_new(evbase, svcgssd_wait_cb, NULL);
+		if (!wait_event) {
+			printerr(0, "ERROR: failed to create wait event: %s\n",
+				 strerror(errno));
+			exit(EXIT_FAILURE);
+		}
+		evtimer_add(wait_event, &t);
+	}
+
+	daemon_ready();
+
+	/* We don't need the config anymore */
+	conf_cleanup();
+
+	nfs4_init_name_mapping(NULL); /* XXX: should only do this once */
+
+	rc = event_base_dispatch(evbase);
+	if (rc < 0)
+		printerr(0, "event_base_dispatch() returned %i!\n", rc);
+
+	svcgssd_nullrpc_close();
+	if (wait_event)
+		event_free(wait_event);
+
+	event_base_free(evbase);
+
+	nfs4_term_name_mapping();
+	svcgssd_free_enctypes();
+	gssd_cleanup();
+
+	return EXIT_SUCCESS;
+}
diff --git a/utils/gssd/svcgssd.h b/utils/gssd/svcgssd.h
new file mode 100644
index 0000000..e229b98
--- /dev/null
+++ b/utils/gssd/svcgssd.h
@@ -0,0 +1,42 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _RPC_SVCGSSD_H_
+#define _RPC_SVCGSSD_H_
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <gssapi/gssapi.h>
+
+void handle_nullreq(char *cp);
+
+#define GSSD_SERVICE_NAME	"nfs"
+
+#endif /* _RPC_SVCGSSD_H_ */
diff --git a/utils/gssd/svcgssd.man b/utils/gssd/svcgssd.man
new file mode 100644
index 0000000..8771c03
--- /dev/null
+++ b/utils/gssd/svcgssd.man
@@ -0,0 +1,88 @@
+.\"
+.\" rpc.svcgssd(8)
+.\"
+.\" Copyright (C) 2003 J. Bruce Fields <bfields@umich.edu>
+.TH rpc.svcgssd 8 "12 Jan 2007"
+.SH NAME
+rpc.svcgssd \- server-side rpcsec_gss daemon
+.SH SYNOPSIS
+.B "rpc.svcgssd [-n] [-v] [-r] [-i] [-f] [-p principal]"
+.SH DESCRIPTION
+The rpcsec_gss protocol gives a means of using the gss-api generic security
+api to provide security for protocols using rpc (in particular, nfs).  Before
+exchanging any rpc requests using rpcsec_gss, the rpc client must first
+establish a security context with the rpc server.  The linux kernel's
+implementation of rpcsec_gss depends on the userspace daemon
+.B rpc.svcgssd
+to handle context establishment on the rpc server.  The
+daemon uses files in the proc filesystem to communicate with
+the kernel.
+
+.SH OPTIONS
+.TP
+.B -f
+Runs
+.B rpc.svcgssd
+in the foreground and sends output to stderr (as opposed to syslogd)
+.TP
+.B -v
+Increases the verbosity of the output (can be specified multiple times).
+.TP
+.B -r
+If the rpcsec_gss library supports setting debug level,
+increases the verbosity of the output (can be specified multiple times).
+.TP
+.B -i
+If the nfsidmap library supports setting debug level,
+increases the verbosity of the output (can be specified multiple times).
+.TP
+.B -p
+Use \fIprincipal\fR instead of the default
+.RI nfs/ FQDN @ REALM .
+.TP
+.B -n
+Use the system default credentials
+.RI (host/ FQDN @ REALM )
+rather than the default
+.RI nfs/ FQDN @ REALM .
+.SH CONFIGURATION FILE
+Some of the options that can be set on the command line can also be
+controlled through values set in the
+.B [svcgssd]
+section of the
+.I /etc/nfs.conf
+configuration file.  Values recognized include:
+.TP
+.B principal
+If set to
+.B system
+this is equivalent to the
+.B -n
+option.  If set to any other value, that is used like the
+.B -p
+option.
+.TP
+.B verbosity
+Value which is equivalent to the number of
+.BR -v .
+.TP
+.B rpc-verbosity
+Value which is equivalent to the number of
+.BR -r .
+.TP
+.B idmap-verbosity
+Value which is equivalent to the number of
+.BR -i .
+
+
+.SH SEE ALSO
+.BR rpc.gssd(8),
+.SH AUTHORS
+.br
+Dug Song <dugsong@umich.edu>
+.br
+Andy Adamson <andros@umich.edu>
+.br
+Marius Aamodt Eriksen <marius@umich.edu>
+.br
+J. Bruce Fields <bfields@umich.edu>
diff --git a/utils/gssd/svcgssd_krb5.c b/utils/gssd/svcgssd_krb5.c
new file mode 100644
index 0000000..2503c38
--- /dev/null
+++ b/utils/gssd/svcgssd_krb5.c
@@ -0,0 +1,237 @@
+/*
+ * COPYRIGHT (c) 2011
+ * The Regents of the University of Michigan
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization.  If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <gssapi/gssapi.h>
+#include <krb5.h>
+
+#include "gss_util.h"
+#include "gss_oids.h"
+#include "err_util.h"
+#include "svcgssd_krb5.h"
+#include "version.h"
+
+#define MYBUFLEN 1024
+
+char *supported_enctypes_filename = "/proc/fs/nfsd/supported_krb5_enctypes";
+int parsed_num_enctypes = 0;
+krb5_enctype *parsed_enctypes = NULL;
+char *cached_enctypes = NULL;
+
+/*==========================*/
+/*===  Internal routines ===*/
+/*==========================*/
+
+/*
+ * Parse the supported encryption type information
+ */
+static int
+parse_enctypes(char *enctypes)
+{
+	int n = 0;
+	char *curr, *comma;
+	int i;
+
+	/* Don't parse the same string over and over... */
+	if (cached_enctypes && strcmp(cached_enctypes, enctypes) == 0)
+		return 0;
+
+	/* Free any existing cached_enctypes */
+	svcgssd_free_enctypes();
+
+	/* count the number of commas */
+	for (curr = enctypes; curr && *curr != '\0'; curr = ++comma) {
+		comma = strchr(curr, ',');
+		if (comma != NULL)
+			n++;
+		else
+			break;
+	}
+
+	/* If no more commas and we're not at the end, there's one more value */
+	if (*curr != '\0')
+		n++;
+
+	/* Empty string, return an error */
+	if (n == 0)
+		return ENOENT;
+
+	/* Skip pass any non digits */
+	while (*enctypes && isdigit(*enctypes) == 0)
+		enctypes++;
+	if (*enctypes == '\0')
+		return EINVAL;
+
+	/* Allocate space for enctypes array */
+	if ((parsed_enctypes = (int *) calloc(n, sizeof(int))) == NULL) {
+		return ENOMEM;
+	}
+
+	/* Now parse each value into the array */
+	for (curr = enctypes, i = 0; curr && *curr != '\0'; curr = ++comma) {
+		parsed_enctypes[i++] = atoi(curr);
+		comma = strchr(curr, ',');
+		if (comma == NULL)
+			break;
+	}
+
+	parsed_num_enctypes = n;
+	if ((cached_enctypes = malloc(strlen(enctypes)+1)))
+		strcpy(cached_enctypes, enctypes);
+
+	return 0;
+}
+
+static void
+get_kernel_supported_enctypes(void)
+{
+	FILE *s_e;
+	int ret;
+	char buffer[MYBUFLEN + 1];
+
+	memset(buffer, '\0', sizeof(buffer));
+
+	s_e = fopen(supported_enctypes_filename, "r");
+	if (s_e == NULL)
+		goto out_clean_parsed;
+
+	ret = fread(buffer, 1, MYBUFLEN, s_e);
+	if (ret < 0) {
+		fclose(s_e);
+		goto out_clean_parsed;
+	}
+	fclose(s_e);
+	if (parse_enctypes(buffer)) {
+		goto out_clean_parsed;
+	}
+out:
+	return;
+
+out_clean_parsed:
+	if (parsed_enctypes != NULL) {
+		free(parsed_enctypes);
+		parsed_num_enctypes = 0;
+	}
+	goto out;
+}
+
+/*==========================*/
+/*===  External routines ===*/
+/*==========================*/
+
+void
+svcgssd_free_enctypes(void)
+{
+	free(cached_enctypes);
+	cached_enctypes = NULL;
+
+	if (parsed_enctypes != NULL) {
+		free(parsed_enctypes);
+		parsed_enctypes = NULL;
+		parsed_num_enctypes = 0;
+	}
+}
+
+/*
+ * Get encryption types supported by the kernel, and then
+ * call gss_krb5_set_allowable_enctypes() to limit the
+ * encryption types negotiated.
+ *
+ * Returns:
+ *	0 => all went well
+ *     -1 => there was an error
+ */
+
+int
+svcgssd_limit_krb5_enctypes(void)
+{
+#ifdef HAVE_SET_ALLOWABLE_ENCTYPES
+	u_int maj_stat, min_stat;
+	krb5_enctype old_kernel_enctypes[] = {
+		ENCTYPE_DES_CBC_CRC,
+		ENCTYPE_DES_CBC_MD5,
+		ENCTYPE_DES_CBC_MD4 };
+	krb5_enctype new_kernel_enctypes[] = {
+		ENCTYPE_AES256_CTS_HMAC_SHA1_96,
+		ENCTYPE_AES128_CTS_HMAC_SHA1_96,
+		ENCTYPE_DES3_CBC_SHA1,
+		ENCTYPE_ARCFOUR_HMAC,
+		ENCTYPE_DES_CBC_CRC,
+		ENCTYPE_DES_CBC_MD5,
+		ENCTYPE_DES_CBC_MD4 };
+	krb5_enctype *default_enctypes, *enctypes;
+	int default_num_enctypes, num_enctypes;
+
+
+	if (linux_version_code() < MAKE_VERSION(2, 6, 35)) {
+		default_enctypes = old_kernel_enctypes;
+		default_num_enctypes =
+			sizeof(old_kernel_enctypes) / sizeof(old_kernel_enctypes[0]);
+	} else {
+		default_enctypes = new_kernel_enctypes;
+		default_num_enctypes =
+			sizeof(new_kernel_enctypes) / sizeof(new_kernel_enctypes[0]);
+	}
+
+	get_kernel_supported_enctypes();
+
+	if (parsed_enctypes != NULL) {
+		enctypes = parsed_enctypes;
+		num_enctypes = parsed_num_enctypes;
+		printerr(2, "%s: Calling gss_set_allowable_enctypes with %d "
+			"enctypes from the kernel\n", __func__, num_enctypes);
+	} else {
+		enctypes = default_enctypes;
+		num_enctypes = default_num_enctypes;
+		printerr(2, "%s: Calling gss_set_allowable_enctypes with %d "
+			"enctypes from defaults\n", __func__, num_enctypes);
+	}
+
+	maj_stat = gss_set_allowable_enctypes(&min_stat, gssd_creds,
+			&krb5oid, num_enctypes, enctypes);
+	if (maj_stat != GSS_S_COMPLETE) {
+		printerr(1, "WARNING: gss_set_allowable_enctypes failed\n");
+		pgsserr("svcgssd_limit_krb5_enctypes: gss_set_allowable_enctypes",
+			maj_stat, min_stat, &krb5oid);
+		return -1;
+	}
+#endif
+	return 0;
+}
diff --git a/utils/gssd/svcgssd_krb5.h b/utils/gssd/svcgssd_krb5.h
new file mode 100644
index 0000000..78a90e9
--- /dev/null
+++ b/utils/gssd/svcgssd_krb5.h
@@ -0,0 +1,37 @@
+/*
+ * COPYRIGHT (c) 2011
+ * The Regents of the University of Michigan
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization.  If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
+#ifndef SVCGSSD_KRB5_H
+#define SVCGSSD_KRB5_H
+
+int svcgssd_limit_krb5_enctypes(void);
+void svcgssd_free_enctypes(void);
+
+#endif /* SVCGSSD_KRB5_H */
diff --git a/utils/gssd/svcgssd_mech2file.c b/utils/gssd/svcgssd_mech2file.c
new file mode 100644
index 0000000..c26b435
--- /dev/null
+++ b/utils/gssd/svcgssd_mech2file.c
@@ -0,0 +1,74 @@
+/*
+  linux_downcall.c
+
+  Copyright (c) 2000 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2004 Andy Adamson <andros@UMICH.EDU>.
+  All rights reserved, all wrongs reversed.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <gssapi/gssapi.h>
+#include <string.h>
+
+char * mech2file(gss_OID mech);
+
+#define g_OID_equal(o1,o2) \
+   (((o1)->length == (o2)->length) && \
+    (memcmp((o1)->elements,(o2)->elements,(int) (o1)->length) == 0))
+
+struct mech2file {
+	gss_OID_desc mech;
+	char         filename[8];
+};
+
+struct mech2file m2f[] = {
+	{{9, "\052\206\110\206\367\022\001\002\002"}, "krb5"},
+	{{0,0},""},
+};
+
+/*
+ * Find the Linux svcgssd downcall file name given the mechanism
+ */
+char *
+mech2file(gss_OID mech)
+{
+	struct mech2file *m2fp = m2f;
+
+	while(m2fp->mech.length != 0) {
+		if (g_OID_equal(mech,&m2fp->mech))
+			return(m2fp->filename);
+		m2fp++;
+	}
+	return NULL;
+}
diff --git a/utils/gssd/svcgssd_proc.c b/utils/gssd/svcgssd_proc.c
new file mode 100644
index 0000000..b403143
--- /dev/null
+++ b/utils/gssd/svcgssd_proc.c
@@ -0,0 +1,444 @@
+/*
+  svc_in_gssd_proc.c
+
+  Copyright (c) 2000 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Copyright (c) 2002 Bruce Fields <bfields@UMICH.EDU>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif	/* HAVE_CONFIG_H */
+
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <rpc/rpc.h>
+
+#include <pwd.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <nfsidmap.h>
+#include <nfslib.h>
+#include <time.h>
+
+#include "svcgssd.h"
+#include "gss_util.h"
+#include "err_util.h"
+#include "context.h"
+#include "misc.h"
+#include "gss_oids.h"
+#include "svcgssd_krb5.h"
+#include "gss_names.h"
+
+extern char * mech2file(gss_OID mech);
+#define SVCGSSD_CONTEXT_CHANNEL "/proc/net/rpc/auth.rpcsec.context/channel"
+#define SVCGSSD_INIT_CHANNEL    "/proc/net/rpc/auth.rpcsec.init/channel"
+
+#define TOKEN_BUF_SIZE		8192
+
+struct svc_cred {
+	uid_t	cr_uid;
+	gid_t	cr_gid;
+	int	cr_ngroups;
+	gid_t	cr_groups[NGROUPS];
+};
+
+static int
+do_svc_downcall(gss_buffer_desc *out_handle, struct svc_cred *cred,
+		gss_OID mech, gss_buffer_desc *context_token,
+		int32_t endtime, char *client_name)
+{
+	char buf[RPC_CHAN_BUF_SIZE], *bp;
+	int i, f, err, blen;
+	char *fname = NULL;
+
+	printerr(1, "doing downcall\n");
+	if ((fname = mech2file(mech)) == NULL)
+		goto out_err;
+
+	f = open(SVCGSSD_CONTEXT_CHANNEL, O_WRONLY);
+	if (f < 0) {
+		printerr(0, "WARNING: unable to open downcall channel "
+			     "%s: %s\n",
+			     SVCGSSD_CONTEXT_CHANNEL, strerror(errno));
+		goto out_err;
+	}
+	bp = buf, blen = sizeof(buf);
+	qword_addhex(&bp, &blen, out_handle->value, out_handle->length);
+	/* XXX are types OK for the rest of this? */
+	/* For context cache, use the actual context endtime */
+	qword_addint(&bp, &blen, endtime);
+	qword_addint(&bp, &blen, cred->cr_uid);
+	qword_addint(&bp, &blen, cred->cr_gid);
+	qword_addint(&bp, &blen, cred->cr_ngroups);
+	printerr(2, "mech: %s, hndl len: %d, ctx len %d, timeout: %d (%d from now), "
+		 "clnt: %s, uid: %d, gid: %d, num aux grps: %d:\n",
+		 fname, out_handle->length, context_token->length,
+		 endtime, endtime - time(0),
+		 client_name ? client_name : "<null>",
+		 cred->cr_uid, cred->cr_gid, cred->cr_ngroups);
+	for (i=0; i < cred->cr_ngroups; i++) {
+		qword_addint(&bp, &blen, cred->cr_groups[i]);
+		printerr(2, "  (%4d) %d\n", i+1, cred->cr_groups[i]);
+	}
+	qword_add(&bp, &blen, fname);
+	qword_addhex(&bp, &blen, context_token->value, context_token->length);
+	if (client_name)
+		qword_add(&bp, &blen, client_name);
+	qword_addeol(&bp, &blen);
+	err = 0;
+	if (blen <= 0 || write(f, buf, bp - buf) != bp - buf) {
+		printerr(1, "WARNING: error writing to downcall channel "
+			 "%s: %s\n", SVCGSSD_CONTEXT_CHANNEL, strerror(errno));
+		err = -1;
+	}
+	close(f);
+	return err;
+out_err:
+	printerr(1, "WARNING: downcall failed\n");
+	return -1;
+}
+
+struct gss_verifier {
+	u_int32_t	flav;
+	gss_buffer_desc	body;
+};
+
+#define RPCSEC_GSS_SEQ_WIN	5
+
+static int
+send_response(gss_buffer_desc *in_handle, gss_buffer_desc *in_token,
+	      u_int32_t maj_stat, u_int32_t min_stat,
+	      gss_buffer_desc *out_handle, gss_buffer_desc *out_token)
+{
+	char buf[2 * TOKEN_BUF_SIZE];
+	char *bp = buf;
+	int blen = sizeof(buf);
+	/* XXXARG: */
+	int g;
+
+	printerr(1, "sending null reply\n");
+
+	qword_addhex(&bp, &blen, in_handle->value, in_handle->length);
+	qword_addhex(&bp, &blen, in_token->value, in_token->length);
+	/* For init cache, only needed for a short time */
+	qword_addint(&bp, &blen, time(0) + 60);
+	qword_adduint(&bp, &blen, maj_stat);
+	qword_adduint(&bp, &blen, min_stat);
+	qword_addhex(&bp, &blen, out_handle->value, out_handle->length);
+	qword_addhex(&bp, &blen, out_token->value, out_token->length);
+	qword_addeol(&bp, &blen);
+	if (blen <= 0) {
+		printerr(0, "WARNING: send_respsonse: message too long\n");
+		return -1;
+	}
+	g = open(SVCGSSD_INIT_CHANNEL, O_WRONLY);
+	if (g == -1) {
+		printerr(0, "WARNING: open %s failed: %s\n",
+				SVCGSSD_INIT_CHANNEL, strerror(errno));
+		return -1;
+	}
+	*bp = '\0';
+	printerr(3, "writing message: %s", buf);
+	if (write(g, buf, bp - buf) == -1) {
+		printerr(0, "WARNING: failed to write message\n");
+		close(g);
+		return -1;
+	}
+	close(g);
+	return 0;
+}
+
+#define rpc_auth_ok			0
+#define rpc_autherr_badcred		1
+#define rpc_autherr_rejectedcred	2
+#define rpc_autherr_badverf		3
+#define rpc_autherr_rejectedverf	4
+#define rpc_autherr_tooweak		5
+#define rpcsec_gsserr_credproblem	13
+#define rpcsec_gsserr_ctxproblem	14
+
+static void
+add_supplementary_groups(char *secname, char *name, struct svc_cred *cred)
+{
+	int ret;
+	static gid_t *groups = NULL;
+
+	cred->cr_ngroups = NGROUPS;
+	ret = nfs4_gss_princ_to_grouplist(secname, name,
+			cred->cr_groups, &cred->cr_ngroups);
+	if (ret < 0) {
+		groups = realloc(groups, cred->cr_ngroups*sizeof(gid_t));
+		ret = nfs4_gss_princ_to_grouplist(secname, name,
+				groups, &cred->cr_ngroups);
+		if (ret < 0)
+			cred->cr_ngroups = 0;
+		else {
+			if (cred->cr_ngroups > NGROUPS)
+				cred->cr_ngroups = NGROUPS;
+			memcpy(cred->cr_groups, groups,
+					cred->cr_ngroups*sizeof(gid_t));
+		}
+	}
+}
+
+static int
+get_ids(gss_name_t client_name, gss_OID mech, struct svc_cred *cred)
+{
+	u_int32_t	maj_stat, min_stat;
+	gss_buffer_desc	name;
+	char		*sname;
+	int		res = -1;
+	uid_t		uid, gid;
+	gss_OID		name_type = GSS_C_NO_OID;
+	char		*secname;
+
+	maj_stat = gss_display_name(&min_stat, client_name, &name, &name_type);
+	if (maj_stat != GSS_S_COMPLETE) {
+		pgsserr("get_ids: gss_display_name",
+			maj_stat, min_stat, mech);
+		goto out;
+	}
+	if (name.length >= 0xffff || /* be certain name.length+1 doesn't overflow */
+	    !(sname = calloc(name.length + 1, 1))) {
+		printerr(0, "WARNING: get_ids: error allocating %d bytes "
+			"for sname\n", name.length + 1);
+		gss_release_buffer(&min_stat, &name);
+		goto out;
+	}
+	memcpy(sname, name.value, name.length);
+	printerr(1, "sname = %s\n", sname);
+	gss_release_buffer(&min_stat, &name);
+
+	res = -EINVAL;
+	if ((secname = mech2file(mech)) == NULL) {
+		printerr(0, "WARNING: get_ids: error mapping mech to "
+			"file for name '%s'\n", sname);
+		goto out_free;
+	}
+
+	res = nfs4_gss_princ_to_ids(secname, sname, &uid, &gid);
+	if (res < 0) {
+		/*
+		 * -ENOENT means there was no mapping, any other error
+		 * value means there was an error trying to do the
+		 * mapping.
+		 * If there was no mapping, we send down the value -1
+		 * to indicate that the anonuid/anongid for the export
+		 * should be used.
+		 */
+		if (res == -ENOENT) {
+			cred->cr_uid = -1;
+			cred->cr_gid = -1;
+			cred->cr_ngroups = 0;
+			res = 0;
+			goto out_free;
+		}
+		printerr(1, "WARNING: get_ids: failed to map name '%s' "
+			"to uid/gid: %s\n", sname, strerror(-res));
+		goto out_free;
+	}
+	cred->cr_uid = uid;
+	cred->cr_gid = gid;
+	add_supplementary_groups(secname, sname, cred);
+	res = 0;
+out_free:
+	free(sname);
+out:
+	return res;
+}
+
+#ifdef DEBUG
+void
+print_hexl(const char *description, unsigned char *cp, int length)
+{
+	int i, j, jm;
+	unsigned char c;
+
+	printf("%s (length %d)\n", description, length);
+
+	for (i = 0; i < length; i += 0x10) {
+		printf("  %04x: ", (u_int)i);
+		jm = length - i;
+		jm = jm > 16 ? 16 : jm;
+
+		for (j = 0; j < jm; j++) {
+			if ((j % 2) == 1)
+				printf("%02x ", (u_int)cp[i+j]);
+			else
+				printf("%02x", (u_int)cp[i+j]);
+		}
+		for (; j < 16; j++) {
+			if ((j % 2) == 1)
+				printf("   ");
+			else
+				printf("  ");
+		}
+		printf(" ");
+
+		for (j = 0; j < jm; j++) {
+			c = cp[i+j];
+			c = isprint(c) ? c : '.';
+			printf("%c", c);
+		}
+		printf("\n");
+	}
+}
+#endif
+
+void
+handle_nullreq(char *cp) {
+	/* XXX initialize to a random integer to reduce chances of unnecessary
+	 * invalidation of existing ctx's on restarting svcgssd. */
+	static u_int32_t	handle_seq = 0;
+	char			in_tok_buf[TOKEN_BUF_SIZE];
+	char			in_handle_buf[15];
+	char			out_handle_buf[15];
+	gss_buffer_desc		in_tok = {.value = in_tok_buf},
+				out_tok = {.value = NULL},
+				in_handle = {.value = in_handle_buf},
+				out_handle = {.value = out_handle_buf},
+				ctx_token = {.value = NULL},
+				ignore_out_tok = {.value = NULL},
+	/* XXX isn't there a define for this?: */
+				null_token = {.value = NULL};
+	u_int32_t		ret_flags;
+	gss_ctx_id_t		ctx = GSS_C_NO_CONTEXT;
+	gss_name_t		client_name = NULL;
+	gss_OID			mech = GSS_C_NO_OID;
+	u_int32_t		maj_stat = GSS_S_FAILURE, min_stat = 0;
+	u_int32_t		ignore_min_stat;
+	struct svc_cred		cred;
+	int32_t			ctx_endtime;
+	char			*hostbased_name = NULL;
+
+	printerr(1, "handling null request\n");
+
+	in_handle.length = (size_t) qword_get(&cp, in_handle.value,
+					      sizeof(in_handle_buf));
+#ifdef DEBUG
+	print_hexl("in_handle", in_handle.value, in_handle.length);
+#endif
+
+	in_tok.length = (size_t) qword_get(&cp, in_tok.value,
+					   sizeof(in_tok_buf));
+#ifdef DEBUG
+	print_hexl("in_tok", in_tok.value, in_tok.length);
+#endif
+
+	if (in_handle.length != 0) { /* CONTINUE_INIT case */
+		if (in_handle.length != sizeof(ctx)) {
+			printerr(0, "WARNING: handle_nullreq: "
+				    "input handle has unexpected length %d\n",
+				    in_handle.length);
+			goto out_err;
+		}
+		/* in_handle is the context id stored in the out_handle
+		 * for the GSS_S_CONTINUE_NEEDED case below.  */
+		memcpy(&ctx, in_handle.value, in_handle.length);
+	}
+
+	if (svcgssd_limit_krb5_enctypes()) {
+		goto out_err;
+	}
+
+	maj_stat = gss_accept_sec_context(&min_stat, &ctx, gssd_creds,
+			&in_tok, GSS_C_NO_CHANNEL_BINDINGS, &client_name,
+			&mech, &out_tok, &ret_flags, NULL, NULL);
+
+	if (maj_stat == GSS_S_CONTINUE_NEEDED) {
+		printerr(1, "gss_accept_sec_context GSS_S_CONTINUE_NEEDED\n");
+
+		/* Save the context handle for future calls */
+		out_handle.length = sizeof(ctx);
+		memcpy(out_handle.value, &ctx, sizeof(ctx));
+		goto continue_needed;
+	}
+	else if (maj_stat != GSS_S_COMPLETE) {
+		printerr(1, "WARNING: gss_accept_sec_context failed\n");
+		pgsserr("handle_nullreq: gss_accept_sec_context",
+			maj_stat, min_stat, mech);
+		goto out_err;
+	}
+	if (get_ids(client_name, mech, &cred)) {
+		/* get_ids() prints error msg */
+		maj_stat = GSS_S_BAD_NAME; /* XXX ? */
+		goto out_err;
+	}
+	if (get_hostbased_client_name(client_name, mech, &hostbased_name)) {
+		/* get_hostbased_client_name() prints error msg */
+		maj_stat = GSS_S_BAD_NAME; /* XXX ? */
+		goto out_err;
+	}
+
+	/* Context complete. Pass handle_seq in out_handle to use
+	 * for context lookup in the kernel. */
+	handle_seq++;
+	out_handle.length = sizeof(handle_seq);
+	memcpy(out_handle.value, &handle_seq, sizeof(handle_seq));
+
+	/* kernel needs ctx to calculate verifier on null response, so
+	 * must give it context before doing null call: */
+	if (serialize_context_for_kernel(&ctx, &ctx_token, mech, &ctx_endtime)) {
+		printerr(0, "WARNING: handle_nullreq: "
+			    "serialize_context_for_kernel failed\n");
+		maj_stat = GSS_S_FAILURE;
+		goto out_err;
+	}
+	/* We no longer need the gss context */
+	gss_delete_sec_context(&ignore_min_stat, &ctx, &ignore_out_tok);
+
+	do_svc_downcall(&out_handle, &cred, mech, &ctx_token, ctx_endtime,
+			hostbased_name);
+continue_needed:
+	send_response(&in_handle, &in_tok, maj_stat, min_stat,
+			&out_handle, &out_tok);
+out:
+	if (ctx_token.value != NULL)
+		free(ctx_token.value);
+	if (out_tok.value != NULL)
+		gss_release_buffer(&ignore_min_stat, &out_tok);
+	if (client_name)
+		gss_release_name(&ignore_min_stat, &client_name);
+	free(hostbased_name);
+	printerr(1, "finished handling null request\n");
+	return;
+
+out_err:
+	if (ctx != GSS_C_NO_CONTEXT)
+		gss_delete_sec_context(&ignore_min_stat, &ctx, &ignore_out_tok);
+	send_response(&in_handle, &in_tok, maj_stat, min_stat,
+			&null_token, &null_token);
+	goto out;
+}
diff --git a/utils/gssd/write_bytes.h b/utils/gssd/write_bytes.h
new file mode 100644
index 0000000..b3f342b
--- /dev/null
+++ b/utils/gssd/write_bytes.h
@@ -0,0 +1,159 @@
+/*
+  Copyright (c) 2004 The Regents of the University of Michigan.
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the University nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _WRITE_BYTES_H_
+#define _WRITE_BYTES_H_
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>		/* for ntohl */
+
+inline static int
+write_bytes(char **ptr, const char *end, const void *arg, int arg_len)
+{
+	char *p = *ptr, *arg_end;
+
+	arg_end = p + arg_len;
+	if (arg_end > end || arg_end < p)
+		return -1;
+	memcpy(p, arg, arg_len);
+	*ptr = arg_end;
+	return 0;
+}
+
+#define WRITE_BYTES(p, end, arg) write_bytes(p, end, &arg, sizeof(arg))
+
+inline static int
+write_buffer(char **p, char *end, gss_buffer_desc *arg)
+{
+	int len = (int)arg->length;		/* make an int out of size_t */
+	if (WRITE_BYTES(p, end, len))
+		return -1;
+	if (*p + len > end)
+		return -1;
+	memcpy(*p, arg->value, len);
+	*p += len;
+	return 0;
+}
+
+inline static int
+write_oid(char **p, char *end, gss_OID_desc *arg)
+{
+	int len = (int)arg->length;		/* make an int out of size_t */
+	if (WRITE_BYTES(p, end, len))
+		return -1;
+	if (*p + arg->length > end)
+		return -1;
+	memcpy(*p, arg->elements, len);
+	*p += len;
+	return 0;
+}
+
+static inline int
+get_bytes(char **ptr, const char *end, void *res, int len)
+{
+	char *p, *q;
+	p = *ptr;
+	q = p + len;
+	if (q > end || q < p)
+		return -1;
+	memcpy(res, p, len);
+	*ptr = q;
+	return 0;
+}
+
+static inline int
+get_buffer(char **ptr, const char *end, gss_buffer_desc *res)
+{
+	char *p, *q;
+	p = *ptr;
+	int len;
+	if (get_bytes(&p, end, &len, sizeof(len)))
+		return -1;
+	res->length = len;		/* promote to size_t if necessary */
+	q = p + res->length;
+	if (q > end || q < p)
+		return -1;
+	if (!(res->value = malloc(res->length)))
+		return -1;
+	memcpy(res->value, p, res->length);
+	*ptr = q;
+	return 0;
+}
+
+static inline int
+xdr_get_u32(u_int32_t **ptr, const u_int32_t *end, u_int32_t *res)
+{
+	if (get_bytes((char **)ptr, (char *)end, res, sizeof(res)))
+		return -1;
+	*res = ntohl(*res);
+	return 0;
+}
+
+static inline int
+xdr_get_buffer(u_int32_t **ptr, const u_int32_t *end, gss_buffer_desc *res)
+{
+	u_int32_t *p, *q;
+	u_int32_t len;
+	p = *ptr;
+	if (xdr_get_u32(&p, end, &len))
+		return -1;
+	res->length = len;
+	q = p + ((res->length + 3) >> 2);
+	if (q > end || q < p)
+		return -1;
+	if (!(res->value = malloc(res->length)))
+		return -1;
+	memcpy(res->value, p, res->length);
+	*ptr = q;
+	return 0;
+}
+
+static inline int
+xdr_write_u32(u_int32_t **ptr, const u_int32_t *end, u_int32_t arg)
+{
+	u_int32_t tmp;
+
+	tmp = htonl(arg);
+	return WRITE_BYTES((char **)ptr, (char *)end, tmp);
+}
+
+static inline int
+xdr_write_buffer(u_int32_t **ptr, const u_int32_t *end, gss_buffer_desc *arg)
+{
+	int len = arg->length;
+	if (xdr_write_u32(ptr, end, len))
+		return -1;
+	return write_bytes((char **)ptr, (char *)end, arg->value,
+			   (arg->length + 3) & ~3);
+}
+
+#endif /* _WRITE_BYTES_H_ */
diff --git a/utils/idmapd/Makefile.am b/utils/idmapd/Makefile.am
new file mode 100644
index 0000000..e09e8c5
--- /dev/null
+++ b/utils/idmapd/Makefile.am
@@ -0,0 +1,65 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= idmapd.man
+
+AM_CPPFLAGS += -I ../../support/nfsidmap
+
+RPCPREFIX	= rpc.
+KPREFIX		= @kprefix@
+sbin_PROGRAMS	= idmapd
+
+EXTRA_DIST = \
+	$(man8_MANS)
+
+idmapd_SOURCES = \
+	idmapd.c \
+	\
+	nfs_idmap.h \
+	queue.h
+
+idmapd_LDADD = ../../support/nfs/libnfs.la \
+	       ../../support/nfsidmap/libnfsidmap.la \
+	       $(LIBEVENT)
+
+MAINTAINERCLEANFILES = Makefile.in
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
diff --git a/utils/idmapd/Makefile.in b/utils/idmapd/Makefile.in
new file mode 100644
index 0000000..e81f630
--- /dev/null
+++ b/utils/idmapd/Makefile.in
@@ -0,0 +1,859 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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+	@list1='$(man8_MANS)'; \
+	list2=''; \
+	test -n "$(man8dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man8dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man8dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
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+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.8[a-z]*$$/p'; \
+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man8dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man8dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
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+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man8dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man8dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man8:
+	@$(NORMAL_UNINSTALL)
+	@list='$(man8_MANS)'; test -n "$(man8dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man8dir)'; $(am__uninstall_files_from_dir)
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+
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+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
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+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/idmapd.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
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+info-am:
+
+install-data-am: install-man
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+
+install-exec-am: install-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) install-exec-hook
+install-html: install-html-am
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+install-html-am:
+
+install-info: install-info-am
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+install-info-am:
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+install-pdf: install-pdf-am
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+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/idmapd.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) uninstall-hook
+.MAKE: install-am install-exec-am install-strip uninstall-am
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-exec-hook install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
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+	tags tags-am uninstall uninstall-am uninstall-hook \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/idmapd/idmapd.c b/utils/idmapd/idmapd.c
new file mode 100644
index 0000000..cd9a965
--- /dev/null
+++ b/utils/idmapd/idmapd.c
@@ -0,0 +1,1091 @@
+/*
+ *  idmapd.c
+ *
+ *  Userland daemon for idmap.
+ *
+ *  Copyright (c) 2002 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Marius Aamodt Eriksen <marius@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/inotify.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <time.h>
+
+#include "nfs_idmap.h"
+
+#include <err.h>
+#include <errno.h>
+#include <event2/event.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <pwd.h>
+#include <grp.h>
+#include <limits.h>
+#include <ctype.h>
+#include <libgen.h>
+#include <nfsidmap.h>
+
+#include "xlog.h"
+#include "conffile.h"
+#include "queue.h"
+#include "nfslib.h"
+
+#ifndef PIPEFS_DIR
+#define PIPEFS_DIR  NFS_STATEDIR "/rpc_pipefs/"
+#endif
+
+#ifndef NFSD_DIR
+#define NFSD_DIR  "/proc/net/rpc"
+#endif
+
+#ifndef CLIENT_CACHE_TIMEOUT_FILE
+#define CLIENT_CACHE_TIMEOUT_FILE "/proc/sys/fs/nfs/idmap_cache_timeout"
+#endif
+
+#ifndef NFS4NOBODY_USER
+#define NFS4NOBODY_USER "nobody"
+#endif
+
+#ifndef NFS4NOBODY_GROUP
+#define NFS4NOBODY_GROUP "nobody"
+#endif
+
+/* From Niels */
+#define CONF_SAVE(w, f) do {			\
+	char *p = f;				\
+	if (p != NULL)				\
+		(w) = p;			\
+} while (0)
+
+#define IC_IDNAME 0
+#define IC_IDNAME_CHAN  NFSD_DIR "/nfs4.idtoname/channel"
+#define IC_IDNAME_FLUSH NFSD_DIR "/nfs4.idtoname/flush"
+
+#define IC_NAMEID 1
+#define IC_NAMEID_CHAN  NFSD_DIR "/nfs4.nametoid/channel"
+#define IC_NAMEID_FLUSH NFSD_DIR "/nfs4.nametoid/flush"
+
+struct idmap_client {
+	short                      ic_which;
+	char                       ic_clid[30];
+	char                      *ic_id;
+	char                       ic_path[PATH_MAX];
+	int                        ic_fd;
+	int                        ic_dirfd;
+	int                        ic_scanned;
+	struct event              *ic_event;
+	TAILQ_ENTRY(idmap_client)  ic_next;
+};
+static struct idmap_client nfsd_ic[2] = {
+{
+	.ic_which = IC_IDNAME, 
+	.ic_clid = "", 
+	.ic_id = "Server", 
+	.ic_path = IC_IDNAME_CHAN, 
+	.ic_fd = -1, 
+	.ic_dirfd = -1, 
+	.ic_scanned = 0
+},
+{
+	.ic_which = IC_NAMEID, 
+	.ic_clid = "", 
+	.ic_id = "Server", 
+	.ic_path = IC_NAMEID_CHAN, 
+	.ic_fd = -1, 
+	.ic_dirfd = -1, 
+	.ic_scanned = 0
+},
+};
+
+TAILQ_HEAD(idmap_clientq, idmap_client);
+
+static void dirscancb(int, short, void *);
+static void clntscancb(int, short, void *);
+static void svrreopen(int, short, void *);
+static int  nfsopen(struct idmap_client *);
+static void nfscb(int, short, void *);
+static void nfsdcb(int, short, void *);
+static int  addfield(char **, ssize_t *, char *);
+static int  getfield(char **, char *, size_t);
+
+static void imconv(struct idmap_client *, struct idmap_msg *);
+static void idtonameres(struct idmap_msg *);
+static void nametoidres(struct idmap_msg *);
+
+static int nfsdopen(void);
+static void nfsdclose(void);
+static int nfsdopenone(struct idmap_client *);
+static void nfsdreopen_one(struct idmap_client *);
+static void nfsdreopen(void);
+
+static int verbose = 0;
+#define DEFAULT_IDMAP_CACHE_EXPIRY 600 /* seconds */
+static int cache_entry_expiration = 0;
+static char pipefsdir[PATH_MAX];
+static char *nobodyuser, *nobodygroup;
+static uid_t nobodyuid;
+static gid_t nobodygid;
+static struct event_base *evbase = NULL;
+static bool signal_received = false;
+static int inotify_fd = -1;
+
+static void
+sig_die(int signal)
+{
+	if (signal_received) {
+		xlog_warn("forced exiting on signal %d\n", signal);
+		exit(0);
+	}
+
+	signal_received = true;
+	xlog_warn("exiting on signal %d\n", signal);
+	event_base_loopexit(evbase, NULL);
+}
+
+static int
+flush_nfsd_cache(char *path, time_t now)
+{
+	int fd;
+	char stime[32];
+
+	sprintf(stime, "%" PRId64 "\n", (int64_t)now);
+	fd = open(path, O_RDWR);
+	if (fd == -1)
+		return -1;
+	if (write(fd, stime, strlen(stime)) != (ssize_t)strlen(stime)) {
+		errx(1, "Flushing nfsd cache failed: errno %d (%s)",
+			errno, strerror(errno));
+	}
+	close(fd);
+	return 0;
+}
+
+static int
+flush_nfsd_idmap_cache(void)
+{
+	time_t now = time(NULL);
+	int ret;
+
+	ret = flush_nfsd_cache(IC_IDNAME_FLUSH, now);
+	if (ret)
+		return ret;
+	ret = flush_nfsd_cache(IC_NAMEID_FLUSH, now);
+	return ret;
+}
+
+static void usage(char *progname)
+{
+	fprintf(stderr, "Usage: %s [-hfvCS] [-p path] [-c path]\n",
+		basename(progname));
+}
+
+int
+main(int argc, char **argv)
+{
+	int wd = -1, opt, fg = 0, nfsdret = -1;
+	struct idmap_clientq icq;
+	struct event *rootdirev = NULL, *clntdirev = NULL,
+		     *svrdirev = NULL, *inotifyev = NULL;
+	struct event *initialize = NULL;
+	struct passwd *pw;
+	struct group *gr;
+	struct stat sb;
+	char *xpipefsdir = NULL;
+	int serverstart = 1, clientstart = 1;
+	int ret;
+	char *progname;
+	char *conf_path = NULL;
+
+	nobodyuser = NFS4NOBODY_USER;
+	nobodygroup = NFS4NOBODY_GROUP;
+	strlcpy(pipefsdir, PIPEFS_DIR, sizeof(pipefsdir));
+
+	if ((progname = strrchr(argv[0], '/')))
+		progname++;
+	else
+		progname = argv[0];
+	xlog_open(progname);
+
+#define GETOPTSTR "hvfd:p:U:G:c:CS"
+	opterr=0; /* Turn off error messages */
+	while ((opt = getopt(argc, argv, GETOPTSTR)) != -1) {
+		if (opt == 'c') {
+			warnx("-c is deprecated and may be removed in the "
+			      "future.  See idmapd(8).");
+			conf_path = optarg;
+		}
+		if (opt == '?') {
+			if (strchr(GETOPTSTR, optopt))
+				warnx("'-%c' option requires an argument.", optopt);
+			else
+				warnx("'-%c' is an invalid argument.", optopt);
+			usage(progname);
+			exit(1);
+		}
+	}
+	optind = 1;
+
+	if (conf_path) { /* deprecated -c option was specified */
+		if (stat(conf_path, &sb) == -1 && (errno == ENOENT || errno == EACCES)) {
+			warn("Skipping configuration file \"%s\"", conf_path);
+			conf_path = NULL;
+		} else {
+			conf_init_file(conf_path);
+			verbose = conf_get_num("General", "Verbosity", 0);
+			cache_entry_expiration = conf_get_num("General",
+					"Cache-Expiration", DEFAULT_IDMAP_CACHE_EXPIRY);
+			CONF_SAVE(xpipefsdir, conf_get_str("General", "Pipefs-Directory"));
+			if (xpipefsdir != NULL)
+				strlcpy(pipefsdir, xpipefsdir, sizeof(pipefsdir));
+			CONF_SAVE(nobodyuser, conf_get_str("Mapping", "Nobody-User"));
+			CONF_SAVE(nobodygroup, conf_get_str("Mapping", "Nobody-Group"));
+			if (conf_get_bool("General", "server-only", false))
+				clientstart = 0;
+			if (conf_get_bool("General", "client-only", false))
+				serverstart = 0;
+		}
+	} else {
+		conf_path = NFS_CONFFILE;
+		conf_init_file(conf_path);
+		CONF_SAVE(xpipefsdir, conf_get_str("General", "Pipefs-Directory"));
+		if (xpipefsdir != NULL)
+			strlcpy(pipefsdir, xpipefsdir, sizeof(pipefsdir));
+
+		conf_path = _PATH_IDMAPDCONF;
+		conf_init_file(conf_path);
+		verbose = conf_get_num("General", "Verbosity", 0);
+		cache_entry_expiration = conf_get_num("General",
+				"cache-expiration", DEFAULT_IDMAP_CACHE_EXPIRY);
+		CONF_SAVE(nobodyuser, conf_get_str("Mapping", "Nobody-User"));
+		CONF_SAVE(nobodygroup, conf_get_str("Mapping", "Nobody-Group"));
+		if (conf_get_bool("General", "server-only", false))
+			clientstart = 0;
+		if (conf_get_bool("General", "client-only", false))
+			serverstart = 0;
+	}
+
+	while ((opt = getopt(argc, argv, GETOPTSTR)) != -1)
+		switch (opt) {
+		case 'v':
+			verbose++;
+			break;
+		case 'f':
+			fg = 1;
+			break;
+		case 'p':
+			strlcpy(pipefsdir, optarg, sizeof(pipefsdir));
+			break;
+		case 'd':
+		case 'U':
+		case 'G':
+			errx(1, "the -d, -U, and -G options have been removed;"
+				" please use the configuration file instead.");
+		case 'C':
+			serverstart = 0;
+			break;
+		case 'S':
+			clientstart = 0;
+			break;
+		case 'h':
+			usage(progname);
+			exit(0);
+		default:
+			break;
+		}
+
+	if (!serverstart && !clientstart)
+		errx(1, "it is illegal to specify both -C and -S");
+
+	strncat(pipefsdir, "/nfs", sizeof(pipefsdir)-1);
+
+	daemon_init(fg);
+
+	if ((pw = getpwnam(nobodyuser)) == NULL)
+		errx(1, "Could not find user \"%s\"", nobodyuser);
+	nobodyuid = pw->pw_uid;
+
+	if ((gr = getgrnam(nobodygroup)) == NULL)
+		errx(1, "Could not find group \"%s\"", nobodygroup);
+	nobodygid = gr->gr_gid;
+
+#ifdef HAVE_NFS4_SET_DEBUG
+	nfs4_set_debug(verbose, xlog_warn);
+#endif
+	if (conf_path == NULL)
+		conf_path = _PATH_IDMAPDCONF;
+	if (nfs4_init_name_mapping(conf_path))
+		errx(1, "Unable to create name to user id mappings.");
+
+	evbase = event_base_new();
+	if (evbase == NULL)
+		errx(1, "Failed to create event base.");
+
+	if (verbose > 1)
+		xlog_warn("Expiration time is %d seconds.",
+			     cache_entry_expiration);
+	if (serverstart) {
+		nfsdret = nfsdopen();
+		if (nfsdret == 0) {
+			ret = flush_nfsd_idmap_cache();
+			if (ret)
+				xlog_err("main: Failed to flush nfsd idmap cache\n: %s", strerror(errno));
+		}
+	}
+
+	if (clientstart) {
+		struct timeval now = {
+			.tv_sec = 0,
+			.tv_usec = 0,
+		};
+
+		if (cache_entry_expiration != DEFAULT_IDMAP_CACHE_EXPIRY) {
+			int timeout_fd, len;
+			char timeout_buf[12];
+			if ((timeout_fd = open(CLIENT_CACHE_TIMEOUT_FILE,
+					       O_RDWR)) == -1) {
+				xlog_warn("Unable to open '%s' to set "
+					     "client cache expiration time "
+					     "to %d seconds\n",
+					     CLIENT_CACHE_TIMEOUT_FILE,
+					     cache_entry_expiration);
+			} else {
+				len = snprintf(timeout_buf, sizeof(timeout_buf),
+					       "%d", cache_entry_expiration);
+				if ((write(timeout_fd, timeout_buf, len)) != len)
+					xlog_warn("Error writing '%s' to "
+						     "'%s' to set client "
+						     "cache expiration time\n",
+						     timeout_buf,
+						     CLIENT_CACHE_TIMEOUT_FILE);
+				close(timeout_fd);
+			}
+		}
+
+		inotify_fd = inotify_init1(IN_NONBLOCK);
+		if (inotify_fd == -1) {
+			xlog_err("Unable to initialise inotify_init1: %s\n", strerror(errno));
+		} else {
+			wd = inotify_add_watch(inotify_fd, pipefsdir, IN_CREATE | IN_DELETE);
+			if (wd < 0)
+				xlog_err("Unable to inotify_add_watch(%s): %s\n", pipefsdir, strerror(errno));
+		}
+
+		TAILQ_INIT(&icq);
+
+		signal(SIGINT, sig_die);
+		signal(SIGTERM, sig_die);
+
+		/* These events are persistent */
+		rootdirev = evsignal_new(evbase, SIGUSR1, dirscancb, &icq);
+		if (rootdirev == NULL)
+			errx(1, "Failed to create SIGUSR1 event.");
+		evsignal_add(rootdirev, NULL);
+		clntdirev = evsignal_new(evbase, SIGUSR2, clntscancb, &icq);
+		if (clntdirev == NULL)
+			errx(1, "Failed to create SIGUSR2 event.");
+		evsignal_add(clntdirev, NULL);
+		svrdirev = evsignal_new(evbase, SIGHUP, svrreopen, NULL);
+		if (svrdirev == NULL)
+			errx(1, "Failed to create SIGHUP event.");
+		evsignal_add(svrdirev, NULL);
+		if ( wd >= 0) {
+			inotifyev = event_new(evbase, inotify_fd,
+					      EV_READ | EV_PERSIST, dirscancb, &icq);
+			if (inotifyev == NULL)
+				errx(1, "Failed to create inotify read event.");
+			event_add(inotifyev, NULL);
+		}
+
+		/* Fetch current state */
+		/* (Delay till start of event_dispatch to avoid possibly losing
+		 * a SIGUSR1 between here and the call to event_dispatch().) */
+		initialize = evtimer_new(evbase, dirscancb, &icq);
+		if (initialize == NULL)
+			errx(1, "Failed to create initialize event.");
+		evtimer_add(initialize, &now);
+	}
+
+	if (nfsdret != 0 && wd < 0)
+		xlog_err("main: Neither NFS client nor NFSd found");
+
+	daemon_ready();
+
+	if (event_base_dispatch(evbase) < 0)
+		xlog_err("main: event_dispatch returns errno %d (%s)",
+			    errno, strerror(errno));
+
+	nfs4_term_name_mapping();
+	nfsdclose();
+
+	if (inotifyev)
+		event_free(inotifyev);
+	if (inotify_fd != -1)
+		close(inotify_fd);
+
+	if (initialize)
+		event_free(initialize);
+	if (rootdirev)
+		event_free(rootdirev);
+	if (clntdirev)
+		event_free(clntdirev);
+	if (svrdirev)
+		event_free(svrdirev);
+	event_base_free(evbase);
+
+	return 0;
+}
+
+static void
+flush_inotify(int fd)
+{
+	while (true) {
+		char buf[4096] __attribute__ ((aligned(__alignof__(struct inotify_event))));
+		const struct inotify_event *ev;
+		ssize_t len;
+		char *ptr;
+
+		len = read(fd, buf, sizeof(buf));
+		if (len == -1 && errno == EINTR)
+			continue;
+
+		if (len <= 0)
+			break;
+
+		for (ptr = buf; ptr < buf + len;
+		     ptr += sizeof(struct inotify_event) + ev->len) {
+
+			ev = (const struct inotify_event *)ptr;
+			if (verbose > 2)
+				xlog_warn("pipefs inotify: wd=%i, mask=0x%08x, len=%i, name=%s",
+				  ev->wd, ev->mask, ev->len, ev->len ? ev->name : "");
+		}
+	}
+}
+
+static void
+dirscancb(int fd, short UNUSED(which), void *data)
+{
+	int nent, i;
+	struct dirent **ents;
+	struct idmap_client *ic, *nextic;
+	char path[PATH_MAX+256]; /* + sizeof(d_name) */
+	struct idmap_clientq *icq = data;
+
+	if (fd != -1)
+		flush_inotify(fd);
+
+	TAILQ_FOREACH(ic, icq, ic_next) {
+		ic->ic_scanned = 0;
+	}
+
+	nent = scandir(pipefsdir, &ents, NULL, alphasort);
+	if (nent == -1) {
+		xlog_warn("dirscancb: scandir(%s): %s", pipefsdir, strerror(errno));
+		return;
+	}
+
+	for (i = 0;  i < nent; i++) {
+		if (ents[i]->d_reclen > 4 &&
+		    strncmp(ents[i]->d_name, "clnt", 4) == 0) {
+			TAILQ_FOREACH(ic, icq, ic_next)
+			    if (strcmp(ents[i]->d_name + 4, ic->ic_clid) == 0)
+				    break;
+			if (ic != NULL)
+				goto next;
+
+			if ((ic = calloc(1, sizeof(*ic))) == NULL)
+				goto out;
+			strlcpy(ic->ic_clid, ents[i]->d_name + 4,
+			    sizeof(ic->ic_clid));
+			path[0] = '\0';
+			snprintf(path, sizeof(path), "%s/%s",
+			    pipefsdir, ents[i]->d_name);
+
+			if ((ic->ic_dirfd = open(path, O_RDONLY, 0)) == -1) {
+				if (verbose > 0)
+					xlog_warn("dirscancb: open(%s): %s", path, strerror(errno));
+				free(ic);
+				goto out;
+			}
+
+			strlcat(path, "/idmap", sizeof(path));
+			strlcpy(ic->ic_path, path, sizeof(ic->ic_path));
+
+			if (nfsopen(ic) == -1) {
+				close(ic->ic_dirfd);
+				free(ic);
+				goto out;
+			}
+
+			if (verbose > 2)
+				xlog_warn("New client: %s", ic->ic_clid);
+
+			ic->ic_id = "Client";
+
+			TAILQ_INSERT_TAIL(icq, ic, ic_next);
+
+		next:
+			ic->ic_scanned = 1;
+		}
+	}
+
+	ic = TAILQ_FIRST(icq);
+	while(ic != NULL) {
+		nextic=TAILQ_NEXT(ic, ic_next);
+		if (!ic->ic_scanned) {
+			if (ic->ic_event)
+				event_free(ic->ic_event);
+			if (ic->ic_fd != -1)
+				close(ic->ic_fd);
+			if (ic->ic_dirfd != -1)
+				close(ic->ic_dirfd);
+			TAILQ_REMOVE(icq, ic, ic_next);
+			if (verbose > 2) {
+				xlog_warn("Stale client: %s", ic->ic_clid);
+				xlog_warn("\t-> closed %s", ic->ic_path);
+			}
+			free(ic);
+		}
+		ic = nextic;
+	}
+
+out:
+	for (i = 0;  i < nent; i++)
+		free(ents[i]);
+	free(ents);
+	return;
+}
+
+static void
+svrreopen(int UNUSED(fd), short UNUSED(which), void *UNUSED(data))
+{
+	nfsdreopen();
+}
+
+static void
+clntscancb(int UNUSED(fd), short UNUSED(which), void *data)
+{
+	struct idmap_clientq *icq = data;
+	struct idmap_client *ic, *ic_next;
+
+	for (ic = TAILQ_FIRST(icq); ic != NULL; ic = ic_next) { 
+		ic_next = TAILQ_NEXT(ic, ic_next);
+		if (ic->ic_fd == -1 && nfsopen(ic) == -1) {
+			close(ic->ic_dirfd);
+			TAILQ_REMOVE(icq, ic, ic_next);
+			free(ic);
+		}
+	}
+}
+
+static void
+nfsdcb(int UNUSED(fd), short which, void *data)
+{
+	struct idmap_client *ic = data;
+	struct idmap_msg im;
+	u_char buf[IDMAP_MAXMSGSZ + 1];
+	ssize_t len;
+	ssize_t bsiz;
+	char *bp, typebuf[IDMAP_MAXMSGSZ],
+		buf1[IDMAP_MAXMSGSZ], authbuf[IDMAP_MAXMSGSZ], *p;
+	unsigned long tmp;
+
+	if (which != EV_READ)
+		return;
+
+	len = read(ic->ic_fd, buf, sizeof(buf));
+	if (len == 0)
+		/* No upcall to read; not necessarily a problem: */
+		return;
+	if (len < 0) {
+		xlog_warn("nfsdcb: read(%s) failed: errno %d (%s)",
+			     ic->ic_path, errno,
+			     strerror(errno));
+		nfsdreopen_one(ic);
+		return;
+	}
+
+	/* Get rid of newline and terminate buffer*/
+	buf[len - 1] = '\0';
+	bp = (char *)buf;
+
+	memset(&im, 0, sizeof(im));
+
+	/* Authentication name -- ignored for now*/
+	if (getfield(&bp, authbuf, sizeof(authbuf)) == -1) {
+		xlog_warn("nfsdcb: bad authentication name in upcall\n");
+		return;
+	}
+	if (getfield(&bp, typebuf, sizeof(typebuf)) == -1) {
+		xlog_warn("nfsdcb: bad type in upcall\n");
+		return;
+	}
+	if (verbose > 2)
+		xlog_warn("nfsdcb: authbuf=%s authtype=%s",
+			     authbuf, typebuf);
+
+	im.im_type = strcmp(typebuf, "user") == 0 ?
+		IDMAP_TYPE_USER : IDMAP_TYPE_GROUP;
+
+	switch (ic->ic_which) {
+	case IC_NAMEID:
+		im.im_conv = IDMAP_CONV_NAMETOID;
+		if (getfield(&bp, im.im_name, sizeof(im.im_name)) == -1) {
+			xlog_warn("nfsdcb: bad name in upcall\n");
+			return;
+		}
+		break;
+	case IC_IDNAME:
+		im.im_conv = IDMAP_CONV_IDTONAME;
+		if (getfield(&bp, buf1, sizeof(buf1)) == -1) {
+			xlog_warn("nfsdcb: bad id in upcall\n");
+			return;
+		}
+		tmp = strtoul(buf1, (char **)NULL, 10);
+		im.im_id = (u_int32_t)tmp;
+		if ((tmp == ULONG_MAX && errno == ERANGE)
+				|| (unsigned long)im.im_id != tmp) {
+			xlog_warn("nfsdcb: id '%s' too big!\n", buf1);
+			return;
+		}
+		break;
+	default:
+		xlog_warn("nfsdcb: Unknown which type %d", ic->ic_which);
+		return;
+	}
+
+	imconv(ic, &im);
+
+	buf[0] = '\0';
+	bp = (char *)buf;
+	bsiz = sizeof(buf);
+
+	/* Authentication name */
+	addfield(&bp, &bsiz, authbuf);
+
+	switch (ic->ic_which) {
+	case IC_NAMEID:
+		/* Type */
+		p = im.im_type == IDMAP_TYPE_USER ? "user" : "group";
+		addfield(&bp, &bsiz, p);
+		/* Name */
+		addfield(&bp, &bsiz, im.im_name);
+		/* expiry */
+		snprintf(buf1, sizeof(buf1), "%" PRId64,
+			 (int64_t)time(NULL) + cache_entry_expiration);
+		addfield(&bp, &bsiz, buf1);
+		/* Note that we don't want to write the id if the mapping
+		 * failed; instead, by leaving it off, we write a negative
+		 * cache entry which will result in an error returned to
+		 * the client.  We don't want a chown or setacl referring
+		 * to an unknown user to result in giving permissions to
+		 * "nobody"! */
+		if (im.im_status == IDMAP_STATUS_SUCCESS) {
+			/* ID */
+			snprintf(buf1, sizeof(buf1), "%u", im.im_id);
+			addfield(&bp, &bsiz, buf1);
+
+		}
+		//if (bsiz == sizeof(buf)) /* XXX */
+
+		bp[-1] = '\n';
+
+		break;
+	case IC_IDNAME:
+		/* Type */
+		p = im.im_type == IDMAP_TYPE_USER ? "user" : "group";
+		addfield(&bp, &bsiz, p);
+		/* ID */
+		snprintf(buf1, sizeof(buf1), "%u", im.im_id);
+		addfield(&bp, &bsiz, buf1);
+		/* expiry */
+		snprintf(buf1, sizeof(buf1), "%" PRId64,
+			 (int64_t)time(NULL) + cache_entry_expiration);
+		addfield(&bp, &bsiz, buf1);
+		/* Note we're ignoring the status field in this case; we'll
+		 * just map to nobody instead. */
+		/* Name */
+		addfield(&bp, &bsiz, im.im_name);
+
+		bp[-1] = '\n';
+
+		break;
+	default:
+		xlog_warn("nfsdcb: Unknown which type %d", ic->ic_which);
+		return;
+	}
+
+	bsiz = sizeof(buf) - bsiz;
+
+	if (atomicio((void*)write, ic->ic_fd, buf, bsiz) != bsiz)
+		xlog_warn("nfsdcb: write(%s) failed: errno %d (%s)",
+			     ic->ic_path, errno, strerror(errno));
+}
+
+static void
+imconv(struct idmap_client *ic, struct idmap_msg *im)
+{
+	u_int32_t len;
+
+	switch (im->im_conv) {
+	case IDMAP_CONV_IDTONAME:
+		idtonameres(im);
+		if (verbose > 1)
+			xlog_warn("%s %s: (%s) id \"%d\" -> name \"%s\"",
+			    ic->ic_id, ic->ic_clid,
+			    im->im_type == IDMAP_TYPE_USER ? "user" : "group",
+			    im->im_id, im->im_name);
+		break;
+	case IDMAP_CONV_NAMETOID:
+		len = strnlen(im->im_name, IDMAP_NAMESZ - 1);
+		/* Check for NULL termination just to be careful */
+		if (im->im_name[len+1] != '\0')
+			return;
+		nametoidres(im);
+		if (verbose > 1)
+			xlog_warn("%s %s: (%s) name \"%s\" -> id \"%d\"",
+			    ic->ic_id, ic->ic_clid,
+			    im->im_type == IDMAP_TYPE_USER ? "user" : "group",
+			    im->im_name, im->im_id);
+		break;
+	default:
+		xlog_warn("imconv: Invalid conversion type (%d) in message",
+			     im->im_conv);
+		im->im_status |= IDMAP_STATUS_INVALIDMSG;
+		break;
+	}
+}
+
+static void
+nfscb(int UNUSED(fd), short which, void *data)
+{
+	struct idmap_client *ic = data;
+	struct idmap_msg im;
+
+	if (which != EV_READ)
+		return;
+
+	if (atomicio(read, ic->ic_fd, &im, sizeof(im)) != sizeof(im)) {
+		if (verbose > 0)
+			xlog_warn("nfscb: read(%s): %s", ic->ic_path, strerror(errno));
+		return;
+	}
+
+	imconv(ic, &im);
+
+	/* XXX: I don't like ignoring this error in the id->name case,
+	 * but we've never returned it, and I need to check that the client
+	 * can handle it gracefully before starting to return it now. */
+
+	if (im.im_status == IDMAP_STATUS_LOOKUPFAIL)
+		im.im_status = IDMAP_STATUS_SUCCESS;
+
+	if (atomicio((void*)write, ic->ic_fd, &im, sizeof(im)) != sizeof(im))
+		xlog_warn("nfscb: write(%s): %s", ic->ic_path, strerror(errno));
+}
+
+static void
+nfsdclose_one(struct idmap_client *ic)
+{
+	if (ic->ic_event) {
+		event_free(ic->ic_event);
+		ic->ic_event = NULL;
+	}
+	if (ic->ic_fd != -1) {
+		close(ic->ic_fd);
+		ic->ic_fd = -1;
+	}
+}
+
+static void
+nfsdreopen_one(struct idmap_client *ic)
+{
+	int fd;
+
+	if (verbose > 2)
+		xlog_warn("ReOpening %s", ic->ic_path);
+
+	if ((fd = open(ic->ic_path, O_RDWR, 0)) != -1) {
+		nfsdclose_one(ic);
+
+		ic->ic_fd = fd;
+		ic->ic_event = event_new(evbase, ic->ic_fd, EV_READ | EV_PERSIST, nfsdcb, ic);
+		if (ic->ic_event == NULL) {
+			xlog_warn("nfsdreopen: Failed to create event for '%s'",
+				  ic->ic_path);
+			close(ic->ic_fd);
+			ic->ic_fd = -1;
+			return;
+		}
+		event_add(ic->ic_event, NULL);
+	} else {
+		xlog_warn("nfsdreopen: Opening '%s' failed: errno %d (%s)",
+			ic->ic_path, errno, strerror(errno));
+	}
+}
+
+static void
+nfsdreopen(void)
+{
+	nfsdreopen_one(&nfsd_ic[IC_NAMEID]);
+	nfsdreopen_one(&nfsd_ic[IC_IDNAME]);
+	return;
+}
+
+static int
+nfsdopen(void)
+{
+	return ((nfsdopenone(&nfsd_ic[IC_NAMEID]) == 0 &&
+		    nfsdopenone(&nfsd_ic[IC_IDNAME]) == 0) ? 0 : -1);
+}
+
+static void
+nfsdclose(void)
+{
+	nfsdclose_one(&nfsd_ic[IC_NAMEID]);
+	nfsdclose_one(&nfsd_ic[IC_IDNAME]);
+}
+
+static int
+nfsdopenone(struct idmap_client *ic)
+{
+	if ((ic->ic_fd = open(ic->ic_path, O_RDWR, 0)) == -1) {
+		if (verbose > 0)
+			xlog_warn("nfsdopenone: Opening %s failed: "
+				"errno %d (%s)",
+				ic->ic_path, errno, strerror(errno));
+		return (-1);
+	}
+
+	ic->ic_event = event_new(evbase, ic->ic_fd, EV_READ | EV_PERSIST, nfsdcb, ic);
+	if (ic->ic_event == NULL) {
+		if (verbose > 0)
+			xlog_warn("nfsdopenone: Create event for %s failed",
+				  ic->ic_path);
+		close(ic->ic_fd);
+		ic->ic_fd = -1;
+		return (-1);
+	}
+	event_add(ic->ic_event, NULL);
+
+	if (verbose > 2)
+		xlog_warn("Opened %s", ic->ic_path);
+
+	return (0);
+}
+
+static int
+nfsopen(struct idmap_client *ic)
+{
+	if ((ic->ic_fd = open(ic->ic_path, O_RDWR, 0)) == -1) {
+		if (errno == ENOENT) {
+			char *slash;
+
+			slash = strrchr(ic->ic_path, '/');
+			if (!slash)
+				return -1;
+			*slash = 0;
+			inotify_add_watch(inotify_fd, ic->ic_path, IN_CREATE | IN_ONLYDIR | IN_ONESHOT);
+			*slash = '/';
+			if (verbose > 2)
+				xlog_warn("Path %s not available. waiting...", ic->ic_path);
+			return -1;
+		}
+
+		xlog_warn("nfsopen: open(%s): %s", ic->ic_path, strerror(errno));
+		return (-1);
+	}
+
+	ic->ic_event = event_new(evbase, ic->ic_fd, EV_READ | EV_PERSIST, nfscb, ic);
+	if (ic->ic_event == NULL) {
+		xlog_warn("nfsopen: Create event for %s failed", ic->ic_path);
+		close(ic->ic_fd);
+		ic->ic_fd = -1;
+		return -1;
+	}
+	event_add(ic->ic_event, NULL);
+	if (verbose > 2)
+		xlog_warn("Opened %s", ic->ic_path);
+
+	return (0);
+}
+
+static void
+idtonameres(struct idmap_msg *im)
+{
+	char domain[NFS4_MAX_DOMAIN_LEN];
+	int ret = 0;
+
+	ret = nfs4_get_default_domain(NULL, domain, sizeof(domain));
+	switch (im->im_type) {
+	case IDMAP_TYPE_USER:
+		ret = nfs4_uid_to_name(im->im_id, domain, im->im_name,
+				sizeof(im->im_name));
+		if (ret) {
+			if (strlen(nobodyuser) < sizeof(im->im_name))
+				strcpy(im->im_name, nobodyuser);
+			else
+				strcpy(im->im_name, NFS4NOBODY_USER);
+		}
+		break;
+	case IDMAP_TYPE_GROUP:
+		ret = nfs4_gid_to_name(im->im_id, domain, im->im_name,
+				sizeof(im->im_name));
+		if (ret) {
+			if (strlen(nobodygroup) < sizeof(im->im_name))
+				strcpy(im->im_name, nobodygroup);
+			else
+				strcpy(im->im_name, NFS4NOBODY_GROUP);
+		}
+		break;
+	}
+	if (ret)
+		im->im_status = IDMAP_STATUS_LOOKUPFAIL;
+	else
+		im->im_status = IDMAP_STATUS_SUCCESS;
+}
+
+static void
+nametoidres(struct idmap_msg *im)
+{
+	uid_t uid;
+	gid_t gid;
+	int ret = 0;
+
+	/* XXX: move nobody stuff to library calls
+	 * (nfs4_get_nobody_user(domain), nfs4_get_nobody_group(domain)) */
+
+	im->im_status = IDMAP_STATUS_SUCCESS;
+
+	switch (im->im_type) {
+	case IDMAP_TYPE_USER:
+		ret = nfs4_name_to_uid(im->im_name, &uid);
+		im->im_id = (u_int32_t) uid;
+		if (ret) {
+			im->im_status = IDMAP_STATUS_LOOKUPFAIL;
+			im->im_id = nobodyuid;
+		}
+		return;
+	case IDMAP_TYPE_GROUP:
+		ret = nfs4_name_to_gid(im->im_name, &gid);
+		im->im_id = (u_int32_t) gid;
+		if (ret) {
+			im->im_status = IDMAP_STATUS_LOOKUPFAIL;
+			im->im_id = nobodygid;
+		}
+		return;
+	}
+}
+
+static int
+addfield(char **bpp, ssize_t *bsizp, char *fld)
+{
+	char ch, *bp = *bpp;
+	ssize_t bsiz = *bsizp;
+
+	while ((ch = *fld++) != '\0' && bsiz > 0) {
+		switch(ch) {
+		case ' ':
+		case '\t':
+		case '\n':
+		case '\\':
+			if (bsiz >= 4) {
+				bp += snprintf(bp, bsiz, "\\%03o", ch);
+				bsiz -= 4;
+			}
+			break;
+		default:
+			*bp++ = ch;
+			bsiz--;
+			break;
+		}
+	}
+
+	if (bsiz < 1 || ch != '\0')
+		return (-1);
+
+	*bp++ = ' ';
+	bsiz--;
+
+	*bpp = bp;
+	*bsizp = bsiz;
+
+	return (0);
+}
+
+static int
+getfield(char **bpp, char *fld, size_t fldsz)
+{
+	char *bp;
+	unsigned int val; 
+	int n;
+
+	while ((bp = strsep(bpp, " ")) != NULL && bp[0] == '\0')
+		;
+
+	if (bp == NULL || bp[0] == '\0' || bp[0] == '\n')
+		return (-1);
+
+	while (*bp != '\0' && fldsz > 1) {
+		if (*bp == '\\') {
+			if ((n = sscanf(bp, "\\%03o", &val)) != 1)
+				return (-1);
+			if (val > UCHAR_MAX)
+				return (-1);
+			*fld++ = val;
+			bp += 4;
+		} else {
+			*fld++ = *bp;
+			bp++;
+		}
+		fldsz--;
+	}
+
+	if (*bp != '\0')
+		return (-1);
+	*fld = '\0';
+
+	return (0);
+}
diff --git a/utils/idmapd/idmapd.man b/utils/idmapd/idmapd.man
new file mode 100644
index 0000000..8215d25
--- /dev/null
+++ b/utils/idmapd/idmapd.man
@@ -0,0 +1,134 @@
+.\"	$OpenBSD: mdoc.template,v 1.6 2001/02/03 08:22:44 niklas Exp $
+.\"
+.\" The following requests are required for all man pages.
+.Dd February 3, 2003
+.Dt RPC.IDMAPD 8
+.Os
+.Sh NAME
+.Nm rpc.idmapd
+.Nd NFSv4 ID <-> Name Mapper
+.Sh SYNOPSIS
+.\" For a program:  program [-abc] file ...
+.Nm rpc.idmapd
+.Op Fl h
+.Op Fl f
+.Op Fl v
+.Op Fl C
+.Op Fl S
+.Op Fl p Ar path
+.Op Fl c Ar path
+.Sh DESCRIPTION
+.Nm
+is the NFSv4 ID <-> name mapping daemon.  It provides functionality to
+the NFSv4 kernel client and server, to which it communicates via
+upcalls, by translating user and group IDs to names, and vice versa.
+.Pp
+The system derives the
+.Em user
+part of the string by performing a password or group lookup.
+The lookup mechanism is configured in
+.Pa /etc/idmapd.conf
+.Pp
+By default, the
+.Em domain
+part of the string is the system's DNS domain name.
+It can also be specified in
+.Pa /etc/idmapd.conf
+if the system is multi-homed,
+or if the system's DNS domain name does
+not match the name of the system's Kerberos realm.
+.Pp
+When the domain is not specified in /etc/idmapd.conf
+the local DNS server will be queried for the 
+.Sy _nfsv4idmapdomain 
+text record. If the record exists
+that will be used as the domain. When the record
+does not exist, the domain part of the DNS domain
+will used. 
+.Pp
+Note that on more recent kernels only the NFSv4 server uses
+.Nm .
+The NFSv4 client instead uses
+.Xr nfsidmap 8 ,
+and only falls back to 
+.Nm 
+if there was a problem running the
+.Xr nfsidmap 8
+program.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds_imagedir
+.It Fl h
+Display usage message.
+.It Fl v
+Increases the verbosity level (can be specified multiple times).
+.It Fl f
+Runs
+.Nm
+in the foreground and prints all output to the terminal.
+.It Fl p Ar path
+Specifies the location of the RPC pipefs to be
+.Ar path .
+The default value is \&"/var/lib/nfs/rpc_pipefs\&".
+.It Fl c Ar path
+Use configuration file
+.Ar path .
+This option is deprecated.
+.It Fl C
+Client-only: perform no idmapping for any NFS server, even if one is detected.
+.It Fl S
+Server-only: perform no idmapping for any NFS client, even if one is detected.
+.El
+.Sh CONFIGURATION FILES
+.Nm
+recognizes the following value from the
+.Sy [general]
+section of the
+.Pa /etc/nfs.conf
+configuration file:
+.Bl -tag -width Ds_imagedir
+.It Sy pipefs-directory
+Equivalent to
+.Sy -p .
+.El
+.Pp
+All other settings related to id mapping are found in the
+.Pa /etc/idmapd.conf
+configuration file.
+.Sh EXAMPLES
+.Cm rpc.idmapd -f -vvv
+.Pp
+Runs
+.Nm
+printing all
+messages to console, and with a verbosity level of 3.
+.\" This next request is for sections 2 and 3 function return values only.
+.\" .Sh RETURN VALUES
+.\" The next request is for sections 2 and 3 error and signal handling only.
+.\" .Sh ERRORS
+.\" This next request is for section 4 only.
+.\" .Sh DIAGNOSTICS
+.\" This next request is for sections 1, 6, 7 & 8 only.
+.\" .Sh ENVIRONMENT
+.Sh FILES
+.Pa /etc/idmapd.conf ,
+.Pa /etc/nfs.conf
+.Sh SEE ALSO
+.Xr idmapd.conf 5 ,
+.Xr nfs.conf 5 ,
+.Xr nfsidmap 8
+.\".Sh SEE ALSO
+.\".Xr nylon.conf 4
+.\" .Sh COMPATIBILITY
+.\".Sh STANDARDS
+.\".Sh ACKNOWLEDGEMENTS
+.Sh AUTHORS
+The
+.Nm
+software has been developed by Marius Aamodt Eriksen
+.Aq marius@citi.umich.edu .
+.\" .Sh HISTORY
+.\".Sh BUGS
+.\"Please report any bugs to Marius Aamodt Eriksen
+.\".Aq marius@monkey.org .
+.\" .Sh CAVEATS
diff --git a/utils/idmapd/nfs_idmap.h b/utils/idmapd/nfs_idmap.h
new file mode 100644
index 0000000..59bced3
--- /dev/null
+++ b/utils/idmapd/nfs_idmap.h
@@ -0,0 +1,64 @@
+/*
+ * include/linux/nfs_idmap.h
+ *
+ *  UID and GID to name mapping for clients.
+ *
+ *  Copyright (c) 2002 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Marius Aamodt Eriksen <marius@umich.edu>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the University nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef NFS_IDMAP_H
+#define NFS_IDMAP_H
+
+/* XXX from bits/utmp.h  */
+#define IDMAP_NAMESZ  128
+
+#define IDMAP_TYPE_USER  0
+#define IDMAP_TYPE_GROUP 1
+
+#define IDMAP_CONV_IDTONAME 0
+#define IDMAP_CONV_NAMETOID 1
+
+#define IDMAP_STATUS_INVALIDMSG 0x01
+#define IDMAP_STATUS_AGAIN      0x02
+#define IDMAP_STATUS_LOOKUPFAIL 0x04
+#define IDMAP_STATUS_SUCCESS    0x08
+
+#define IDMAP_MAXMSGSZ   256
+
+struct idmap_msg {
+	u_int8_t  im_type;
+	u_int8_t  im_conv;
+	char      im_name[IDMAP_NAMESZ];
+	u_int32_t im_id;
+	u_int8_t  im_status;
+};
+
+#endif /* NFS_IDMAP_H */
diff --git a/utils/idmapd/queue.h b/utils/idmapd/queue.h
new file mode 100644
index 0000000..2823fe7
--- /dev/null
+++ b/utils/idmapd/queue.h
@@ -0,0 +1,499 @@
+/*	$OpenBSD: queue.h,v 1.22 2001/06/23 04:39:35 angelos Exp $	*/
+/*	$NetBSD: queue.h,v 1.11 1996/05/16 05:17:14 mycroft Exp $	*/
+
+/*
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)queue.h	8.5 (Berkeley) 8/20/94
+ */
+
+#ifndef	_SYS_QUEUE_H_
+#define	_SYS_QUEUE_H_
+
+/*
+ * This file defines five types of data structures: singly-linked lists,
+ * lists, simple queues, tail queues, and circular queues.
+ *
+ *
+ * A singly-linked list is headed by a single forward pointer. The elements
+ * are singly linked for minimum space and pointer manipulation overhead at
+ * the expense of O(n) removal for arbitrary elements. New elements can be
+ * added to the list after an existing element or at the head of the list.
+ * Elements being removed from the head of the list should use the explicit
+ * macro for this purpose for optimum efficiency. A singly-linked list may
+ * only be traversed in the forward direction.  Singly-linked lists are ideal
+ * for applications with large datasets and few or no removals or for
+ * implementing a LIFO queue.
+ *
+ * A list is headed by a single forward pointer (or an array of forward
+ * pointers for a hash table header). The elements are doubly linked
+ * so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list before
+ * or after an existing element or at the head of the list. A list
+ * may only be traversed in the forward direction.
+ *
+ * A simple queue is headed by a pair of pointers, one the head of the
+ * list and the other to the tail of the list. The elements are singly
+ * linked to save space, so elements can only be removed from the
+ * head of the list. New elements can be added to the list before or after
+ * an existing element, at the head of the list, or at the end of the
+ * list. A simple queue may only be traversed in the forward direction.
+ *
+ * A tail queue is headed by a pair of pointers, one to the head of the
+ * list and the other to the tail of the list. The elements are doubly
+ * linked so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list before or
+ * after an existing element, at the head of the list, or at the end of
+ * the list. A tail queue may be traversed in either direction.
+ *
+ * A circle queue is headed by a pair of pointers, one to the head of the
+ * list and the other to the tail of the list. The elements are doubly
+ * linked so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list before or after
+ * an existing element, at the head of the list, or at the end of the list.
+ * A circle queue may be traversed in either direction, but has a more
+ * complex end of list detection.
+ *
+ * For details on the use of these macros, see the queue(3) manual page.
+ */
+
+/*
+ * Singly-linked List definitions.
+ */
+#define SLIST_HEAD(name, type)						\
+struct name {								\
+	struct type *slh_first;	/* first element */			\
+}
+
+#define	SLIST_HEAD_INITIALIZER(head)					\
+	{ NULL }
+
+#define SLIST_ENTRY(type)						\
+struct {								\
+	struct type *sle_next;	/* next element */			\
+}
+
+/*
+ * Singly-linked List access methods.
+ */
+#define	SLIST_FIRST(head)	((head)->slh_first)
+#define	SLIST_END(head)		NULL
+#define	SLIST_EMPTY(head)	(SLIST_FIRST(head) == SLIST_END(head))
+#define	SLIST_NEXT(elm, field)	((elm)->field.sle_next)
+
+#define	SLIST_FOREACH(var, head, field)					\
+	for((var) = SLIST_FIRST(head);					\
+	    (var) != SLIST_END(head);					\
+	    (var) = SLIST_NEXT(var, field))
+
+/*
+ * Singly-linked List functions.
+ */
+#define	SLIST_INIT(head) {						\
+	SLIST_FIRST(head) = SLIST_END(head);				\
+}
+
+#define	SLIST_INSERT_AFTER(slistelm, elm, field) do {			\
+	(elm)->field.sle_next = (slistelm)->field.sle_next;		\
+	(slistelm)->field.sle_next = (elm);				\
+} while (0)
+
+#define	SLIST_INSERT_HEAD(head, elm, field) do {			\
+	(elm)->field.sle_next = (head)->slh_first;			\
+	(head)->slh_first = (elm);					\
+} while (0)
+
+#define	SLIST_REMOVE_HEAD(head, field) do {				\
+	(head)->slh_first = (head)->slh_first->field.sle_next;		\
+} while (0)
+
+#define SLIST_REMOVE(head, elm, type, field) do {			\
+	if ((head)->slh_first == (elm)) {				\
+		SLIST_REMOVE_HEAD((head), field);			\
+	}								\
+	else {								\
+		struct type *curelm = (head)->slh_first;		\
+		while( curelm->field.sle_next != (elm) )		\
+			curelm = curelm->field.sle_next;		\
+		curelm->field.sle_next =				\
+		    curelm->field.sle_next->field.sle_next;		\
+	}								\
+} while (0)
+
+/*
+ * List definitions.
+ */
+#define LIST_HEAD(name, type)						\
+struct name {								\
+	struct type *lh_first;	/* first element */			\
+}
+
+#define LIST_HEAD_INITIALIZER(head)					\
+	{ NULL }
+
+#define LIST_ENTRY(type)						\
+struct {								\
+	struct type *le_next;	/* next element */			\
+	struct type **le_prev;	/* address of previous next element */	\
+}
+
+/*
+ * List access methods
+ */
+#define	LIST_FIRST(head)		((head)->lh_first)
+#define	LIST_END(head)			NULL
+#define	LIST_EMPTY(head)		(LIST_FIRST(head) == LIST_END(head))
+#define	LIST_NEXT(elm, field)		((elm)->field.le_next)
+
+#define LIST_FOREACH(var, head, field)					\
+	for((var) = LIST_FIRST(head);					\
+	    (var)!= LIST_END(head);					\
+	    (var) = LIST_NEXT(var, field))
+
+/*
+ * List functions.
+ */
+#define	LIST_INIT(head) do {						\
+	LIST_FIRST(head) = LIST_END(head);				\
+} while (0)
+
+#define LIST_INSERT_AFTER(listelm, elm, field) do {			\
+	if (((elm)->field.le_next = (listelm)->field.le_next) != NULL)	\
+		(listelm)->field.le_next->field.le_prev =		\
+		    &(elm)->field.le_next;				\
+	(listelm)->field.le_next = (elm);				\
+	(elm)->field.le_prev = &(listelm)->field.le_next;		\
+} while (0)
+
+#define	LIST_INSERT_BEFORE(listelm, elm, field) do {			\
+	(elm)->field.le_prev = (listelm)->field.le_prev;		\
+	(elm)->field.le_next = (listelm);				\
+	*(listelm)->field.le_prev = (elm);				\
+	(listelm)->field.le_prev = &(elm)->field.le_next;		\
+} while (0)
+
+#define LIST_INSERT_HEAD(head, elm, field) do {				\
+	if (((elm)->field.le_next = (head)->lh_first) != NULL)		\
+		(head)->lh_first->field.le_prev = &(elm)->field.le_next;\
+	(head)->lh_first = (elm);					\
+	(elm)->field.le_prev = &(head)->lh_first;			\
+} while (0)
+
+#define LIST_REMOVE(elm, field) do {					\
+	if ((elm)->field.le_next != NULL)				\
+		(elm)->field.le_next->field.le_prev =			\
+		    (elm)->field.le_prev;				\
+	*(elm)->field.le_prev = (elm)->field.le_next;			\
+} while (0)
+
+#define LIST_REPLACE(elm, elm2, field) do {				\
+	if (((elm2)->field.le_next = (elm)->field.le_next) != NULL)	\
+		(elm2)->field.le_next->field.le_prev =			\
+		    &(elm2)->field.le_next;				\
+	(elm2)->field.le_prev = (elm)->field.le_prev;			\
+	*(elm2)->field.le_prev = (elm2);				\
+} while (0)
+
+/*
+ * Simple queue definitions.
+ */
+#define SIMPLEQ_HEAD(name, type)					\
+struct name {								\
+	struct type *sqh_first;	/* first element */			\
+	struct type **sqh_last;	/* addr of last next element */		\
+}
+
+#define SIMPLEQ_HEAD_INITIALIZER(head)					\
+	{ NULL, &(head).sqh_first }
+
+#define SIMPLEQ_ENTRY(type)						\
+struct {								\
+	struct type *sqe_next;	/* next element */			\
+}
+
+/*
+ * Simple queue access methods.
+ */
+#define	SIMPLEQ_FIRST(head)	    ((head)->sqh_first)
+#define	SIMPLEQ_END(head)	    NULL
+#define	SIMPLEQ_EMPTY(head)	    (SIMPLEQ_FIRST(head) == SIMPLEQ_END(head))
+#define	SIMPLEQ_NEXT(elm, field)    ((elm)->field.sqe_next)
+
+#define SIMPLEQ_FOREACH(var, head, field)				\
+	for((var) = SIMPLEQ_FIRST(head);				\
+	    (var) != SIMPLEQ_END(head);					\
+	    (var) = SIMPLEQ_NEXT(var, field))
+
+/*
+ * Simple queue functions.
+ */
+#define	SIMPLEQ_INIT(head) do {						\
+	(head)->sqh_first = NULL;					\
+	(head)->sqh_last = &(head)->sqh_first;				\
+} while (0)
+
+#define SIMPLEQ_INSERT_HEAD(head, elm, field) do {			\
+	if (((elm)->field.sqe_next = (head)->sqh_first) == NULL)	\
+		(head)->sqh_last = &(elm)->field.sqe_next;		\
+	(head)->sqh_first = (elm);					\
+} while (0)
+
+#define SIMPLEQ_INSERT_TAIL(head, elm, field) do {			\
+	(elm)->field.sqe_next = NULL;					\
+	*(head)->sqh_last = (elm);					\
+	(head)->sqh_last = &(elm)->field.sqe_next;			\
+} while (0)
+
+#define SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
+	if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\
+		(head)->sqh_last = &(elm)->field.sqe_next;		\
+	(listelm)->field.sqe_next = (elm);				\
+} while (0)
+
+#define SIMPLEQ_REMOVE_HEAD(head, elm, field) do {			\
+	if (((head)->sqh_first = (elm)->field.sqe_next) == NULL)	\
+		(head)->sqh_last = &(head)->sqh_first;			\
+} while (0)
+
+/*
+ * Tail queue definitions.
+ */
+#define TAILQ_HEAD(name, type)						\
+struct name {								\
+	struct type *tqh_first;	/* first element */			\
+	struct type **tqh_last;	/* addr of last next element */		\
+}
+
+#define TAILQ_HEAD_INITIALIZER(head)					\
+	{ NULL, &(head).tqh_first }
+
+#define TAILQ_ENTRY(type)						\
+struct {								\
+	struct type *tqe_next;	/* next element */			\
+	struct type **tqe_prev;	/* address of previous next element */	\
+}
+
+/*
+ * tail queue access methods
+ */
+#define	TAILQ_FIRST(head)		((head)->tqh_first)
+#define	TAILQ_END(head)			NULL
+#define	TAILQ_NEXT(elm, field)		((elm)->field.tqe_next)
+#define TAILQ_LAST(head, headname)					\
+	(*(((struct headname *)((head)->tqh_last))->tqh_last))
+/* XXX */
+#define TAILQ_PREV(elm, headname, field)				\
+	(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
+#define	TAILQ_EMPTY(head)						\
+	(TAILQ_FIRST(head) == TAILQ_END(head))
+
+#define TAILQ_FOREACH(var, head, field)					\
+	for((var) = TAILQ_FIRST(head);					\
+	    (var) != TAILQ_END(head);					\
+	    (var) = TAILQ_NEXT(var, field))
+
+#define TAILQ_FOREACH_REVERSE(var, head, field, headname)		\
+	for((var) = TAILQ_LAST(head, headname);				\
+	    (var) != TAILQ_END(head);					\
+	    (var) = TAILQ_PREV(var, headname, field))
+
+/*
+ * Tail queue functions.
+ */
+#define	TAILQ_INIT(head) do {						\
+	(head)->tqh_first = NULL;					\
+	(head)->tqh_last = &(head)->tqh_first;				\
+} while (0)
+
+#define TAILQ_INSERT_HEAD(head, elm, field) do {			\
+	if (((elm)->field.tqe_next = (head)->tqh_first) != NULL)	\
+		(head)->tqh_first->field.tqe_prev =			\
+		    &(elm)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm)->field.tqe_next;		\
+	(head)->tqh_first = (elm);					\
+	(elm)->field.tqe_prev = &(head)->tqh_first;			\
+} while (0)
+
+#define TAILQ_INSERT_TAIL(head, elm, field) do {			\
+	(elm)->field.tqe_next = NULL;					\
+	(elm)->field.tqe_prev = (head)->tqh_last;			\
+	*(head)->tqh_last = (elm);					\
+	(head)->tqh_last = &(elm)->field.tqe_next;			\
+} while (0)
+
+#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
+	if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
+		(elm)->field.tqe_next->field.tqe_prev =			\
+		    &(elm)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm)->field.tqe_next;		\
+	(listelm)->field.tqe_next = (elm);				\
+	(elm)->field.tqe_prev = &(listelm)->field.tqe_next;		\
+} while (0)
+
+#define	TAILQ_INSERT_BEFORE(listelm, elm, field) do {			\
+	(elm)->field.tqe_prev = (listelm)->field.tqe_prev;		\
+	(elm)->field.tqe_next = (listelm);				\
+	*(listelm)->field.tqe_prev = (elm);				\
+	(listelm)->field.tqe_prev = &(elm)->field.tqe_next;		\
+} while (0)
+
+#define TAILQ_REMOVE(head, elm, field) do {				\
+	if (((elm)->field.tqe_next) != NULL)				\
+		(elm)->field.tqe_next->field.tqe_prev =			\
+		    (elm)->field.tqe_prev;				\
+	else								\
+		(head)->tqh_last = (elm)->field.tqe_prev;		\
+	*(elm)->field.tqe_prev = (elm)->field.tqe_next;			\
+} while (0)
+
+#define TAILQ_REPLACE(head, elm, elm2, field) do {			\
+	if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL)	\
+		(elm2)->field.tqe_next->field.tqe_prev =		\
+		    &(elm2)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm2)->field.tqe_next;		\
+	(elm2)->field.tqe_prev = (elm)->field.tqe_prev;			\
+	*(elm2)->field.tqe_prev = (elm2);				\
+} while (0)
+
+/*
+ * Circular queue definitions.
+ */
+#define CIRCLEQ_HEAD(name, type)					\
+struct name {								\
+	struct type *cqh_first;		/* first element */		\
+	struct type *cqh_last;		/* last element */		\
+}
+
+#define CIRCLEQ_HEAD_INITIALIZER(head)					\
+	{ CIRCLEQ_END(&head), CIRCLEQ_END(&head) }
+
+#define CIRCLEQ_ENTRY(type)						\
+struct {								\
+	struct type *cqe_next;		/* next element */		\
+	struct type *cqe_prev;		/* previous element */		\
+}
+
+/*
+ * Circular queue access methods
+ */
+#define	CIRCLEQ_FIRST(head)		((head)->cqh_first)
+#define	CIRCLEQ_LAST(head)		((head)->cqh_last)
+#define	CIRCLEQ_END(head)		((void *)(head))
+#define	CIRCLEQ_NEXT(elm, field)	((elm)->field.cqe_next)
+#define	CIRCLEQ_PREV(elm, field)	((elm)->field.cqe_prev)
+#define	CIRCLEQ_EMPTY(head)						\
+	(CIRCLEQ_FIRST(head) == CIRCLEQ_END(head))
+
+#define CIRCLEQ_FOREACH(var, head, field)				\
+	for((var) = CIRCLEQ_FIRST(head);				\
+	    (var) != CIRCLEQ_END(head);					\
+	    (var) = CIRCLEQ_NEXT(var, field))
+
+#define CIRCLEQ_FOREACH_REVERSE(var, head, field)			\
+	for((var) = CIRCLEQ_LAST(head);					\
+	    (var) != CIRCLEQ_END(head);					\
+	    (var) = CIRCLEQ_PREV(var, field))
+
+/*
+ * Circular queue functions.
+ */
+#define	CIRCLEQ_INIT(head) do {						\
+	(head)->cqh_first = CIRCLEQ_END(head);				\
+	(head)->cqh_last = CIRCLEQ_END(head);				\
+} while (0)
+
+#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
+	(elm)->field.cqe_next = (listelm)->field.cqe_next;		\
+	(elm)->field.cqe_prev = (listelm);				\
+	if ((listelm)->field.cqe_next == CIRCLEQ_END(head))		\
+		(head)->cqh_last = (elm);				\
+	else								\
+		(listelm)->field.cqe_next->field.cqe_prev = (elm);	\
+	(listelm)->field.cqe_next = (elm);				\
+} while (0)
+
+#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do {		\
+	(elm)->field.cqe_next = (listelm);				\
+	(elm)->field.cqe_prev = (listelm)->field.cqe_prev;		\
+	if ((listelm)->field.cqe_prev == CIRCLEQ_END(head))		\
+		(head)->cqh_first = (elm);				\
+	else								\
+		(listelm)->field.cqe_prev->field.cqe_next = (elm);	\
+	(listelm)->field.cqe_prev = (elm);				\
+} while (0)
+
+#define CIRCLEQ_INSERT_HEAD(head, elm, field) do {			\
+	(elm)->field.cqe_next = (head)->cqh_first;			\
+	(elm)->field.cqe_prev = CIRCLEQ_END(head);			\
+	if ((head)->cqh_last == CIRCLEQ_END(head))			\
+		(head)->cqh_last = (elm);				\
+	else								\
+		(head)->cqh_first->field.cqe_prev = (elm);		\
+	(head)->cqh_first = (elm);					\
+} while (0)
+
+#define CIRCLEQ_INSERT_TAIL(head, elm, field) do {			\
+	(elm)->field.cqe_next = CIRCLEQ_END(head);			\
+	(elm)->field.cqe_prev = (head)->cqh_last;			\
+	if ((head)->cqh_first == CIRCLEQ_END(head))			\
+		(head)->cqh_first = (elm);				\
+	else								\
+		(head)->cqh_last->field.cqe_next = (elm);		\
+	(head)->cqh_last = (elm);					\
+} while (0)
+
+#define	CIRCLEQ_REMOVE(head, elm, field) do {				\
+	if ((elm)->field.cqe_next == CIRCLEQ_END(head))			\
+		(head)->cqh_last = (elm)->field.cqe_prev;		\
+	else								\
+		(elm)->field.cqe_next->field.cqe_prev =			\
+		    (elm)->field.cqe_prev;				\
+	if ((elm)->field.cqe_prev == CIRCLEQ_END(head))			\
+		(head)->cqh_first = (elm)->field.cqe_next;		\
+	else								\
+		(elm)->field.cqe_prev->field.cqe_next =			\
+		    (elm)->field.cqe_next;				\
+} while (0)
+
+#define CIRCLEQ_REPLACE(head, elm, elm2, field) do {			\
+	if (((elm2)->field.cqe_next = (elm)->field.cqe_next) ==		\
+	    CIRCLEQ_END(head))						\
+		(head).cqh_last = (elm2);				\
+	else								\
+		(elm2)->field.cqe_next->field.cqe_prev = (elm2);	\
+	if (((elm2)->field.cqe_prev = (elm)->field.cqe_prev) ==		\
+	    CIRCLEQ_END(head))						\
+		(head).cqh_first = (elm2);				\
+	else								\
+		(elm2)->field.cqe_prev->field.cqe_next = (elm2);	\
+} while (0)
+
+#endif	/* !_SYS_QUEUE_H_ */
diff --git a/utils/mount/Makefile.am b/utils/mount/Makefile.am
new file mode 100644
index 0000000..5ff1148
--- /dev/null
+++ b/utils/mount/Makefile.am
@@ -0,0 +1,82 @@
+## Process this file with automake to produce Makefile.in
+
+# These binaries go in /sbin (not /usr/sbin), unless CONFIG_SBIN_OVERRIDE
+# is disabled as may be appropriate when /sbin is a symlink.
+# Note that we don't use "if CONFIG_SBIN_OVERRIDE" as that
+# causes autotools to notice the override and disable it.
+@CONFIG_SBIN_OVERRIDE_TRUE@sbindir = /sbin
+
+man8_MANS	= mount.nfs.man umount.nfs.man
+man5_MANS	= nfs.man
+
+sbin_PROGRAMS	= mount.nfs
+EXTRA_DIST = nfsmount.conf $(man8_MANS) $(man5_MANS)
+mount_common = error.c network.c token.c \
+		    parse_opt.c parse_dev.c \
+		    nfsmount.c nfs4mount.c stropts.c\
+		    mount_constants.h error.h network.h token.h \
+		    parse_opt.h parse_dev.h \
+		    nfs4_mount.h stropts.h version.h \
+		    mount_config.h utils.c utils.h \
+		    nfs_mount.h
+
+if MOUNT_CONFIG
+mount_common += configfile.c
+man5_MANS += nfsmount.conf.man
+else
+EXTRA_DIST += nfsmount.conf.man
+endif
+
+mount_nfs_LDADD = ../../support/nfs/libnfs.la \
+		  ../../support/export/libexport.a \
+		  ../../support/reexport/libreexport.a \
+		  ../../support/misc/libmisc.a \
+		   $(LIBTIRPC) $(LIBPTHREAD)
+
+mount_nfs_SOURCES = $(mount_common)
+
+if CONFIG_LIBMOUNT
+mount_nfs_SOURCES += mount_libmount.c
+mount_nfs_LDADD += $(LIBMOUNT)
+else
+mount_nfs_SOURCES += mount.c fstab.c nfsumount.c fstab.h
+
+endif
+
+MAINTAINERCLEANFILES = Makefile.in
+
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  ln -sf mount.nfs mount.nfs4 && \
+	  ln -sf mount.nfs umount.nfs && \
+	  ln -sf mount.nfs umount.nfs4 && \
+	  chmod 4511 mount.nfs )
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	    rm -f mount.nfs4 umount.nfs umount.nfs4)
+
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $$inst ; \
+	  done)
+	(cd $(DESTDIR)$(man5dir) && \
+	  for m in $(man5_MANS) $(dist_man5_MANS) $(nodist_man5_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/5/'`; \
+	    rm -f $$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $$inst ; \
+	  done)
+	(cd $(DESTDIR)$(man5dir) && \
+	  for m in $(man5_MANS) $(dist_man5_MANS) $(nodist_man5_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/5/'`; \
+	    rm -f $$inst ; \
+	  done)
+
diff --git a/utils/mount/Makefile.in b/utils/mount/Makefile.in
new file mode 100644
index 0000000..5bbbb5d
--- /dev/null
+++ b/utils/mount/Makefile.in
@@ -0,0 +1,976 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+sbin_PROGRAMS = mount.nfs$(EXEEXT)
+@MOUNT_CONFIG_TRUE@am__append_1 = configfile.c
+@MOUNT_CONFIG_TRUE@am__append_2 = nfsmount.conf.man
+@MOUNT_CONFIG_FALSE@am__append_3 = nfsmount.conf.man
+@CONFIG_LIBMOUNT_TRUE@am__append_4 = mount_libmount.c
+@CONFIG_LIBMOUNT_TRUE@am__append_5 = $(LIBMOUNT)
+@CONFIG_LIBMOUNT_FALSE@am__append_6 = mount.c fstab.c nfsumount.c fstab.h
+subdir = utils/mount
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
+	$(top_srcdir)/aclocal/bsdsignals.m4 \
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
+	$(top_srcdir)/aclocal/keyutils.m4 \
+	$(top_srcdir)/aclocal/libblkid.m4 \
+	$(top_srcdir)/aclocal/libcap.m4 \
+	$(top_srcdir)/aclocal/libevent.m4 \
+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
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+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/support/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man5dir)" \
+	"$(DESTDIR)$(man8dir)"
+PROGRAMS = $(sbin_PROGRAMS)
+am__mount_nfs_SOURCES_DIST = error.c network.c token.c parse_opt.c \
+	parse_dev.c nfsmount.c nfs4mount.c stropts.c mount_constants.h \
+	error.h network.h token.h parse_opt.h parse_dev.h nfs4_mount.h \
+	stropts.h version.h mount_config.h utils.c utils.h nfs_mount.h \
+	configfile.c mount_libmount.c mount.c fstab.c nfsumount.c \
+	fstab.h
+@MOUNT_CONFIG_TRUE@am__objects_1 = configfile.$(OBJEXT)
+am__objects_2 = error.$(OBJEXT) network.$(OBJEXT) token.$(OBJEXT) \
+	parse_opt.$(OBJEXT) parse_dev.$(OBJEXT) nfsmount.$(OBJEXT) \
+	nfs4mount.$(OBJEXT) stropts.$(OBJEXT) utils.$(OBJEXT) \
+	$(am__objects_1)
+@CONFIG_LIBMOUNT_TRUE@am__objects_3 = mount_libmount.$(OBJEXT)
+@CONFIG_LIBMOUNT_FALSE@am__objects_4 = mount.$(OBJEXT) fstab.$(OBJEXT) \
+@CONFIG_LIBMOUNT_FALSE@	nfsumount.$(OBJEXT)
+am_mount_nfs_OBJECTS = $(am__objects_2) $(am__objects_3) \
+	$(am__objects_4)
+mount_nfs_OBJECTS = $(am_mount_nfs_OBJECTS)
+am__DEPENDENCIES_1 =
+@CONFIG_LIBMOUNT_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+mount_nfs_DEPENDENCIES = ../../support/nfs/libnfs.la \
+	../../support/export/libexport.a \
+	../../support/reexport/libreexport.a \
+	../../support/misc/libmisc.a $(am__DEPENDENCIES_1) \
+	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
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+am__v_GEN_0 = @echo "  GEN     " $@;
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+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/configfile.Po ./$(DEPDIR)/error.Po \
+	./$(DEPDIR)/fstab.Po ./$(DEPDIR)/mount.Po \
+	./$(DEPDIR)/mount_libmount.Po ./$(DEPDIR)/network.Po \
+	./$(DEPDIR)/nfs4mount.Po ./$(DEPDIR)/nfsmount.Po \
+	./$(DEPDIR)/nfsumount.Po ./$(DEPDIR)/parse_dev.Po \
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
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+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
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+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
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+all-am: Makefile $(PROGRAMS) $(MANS)
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+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
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+
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+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
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+	-rm -f ./$(DEPDIR)/mount.Po
+	-rm -f ./$(DEPDIR)/mount_libmount.Po
+	-rm -f ./$(DEPDIR)/network.Po
+	-rm -f ./$(DEPDIR)/nfs4mount.Po
+	-rm -f ./$(DEPDIR)/nfsmount.Po
+	-rm -f ./$(DEPDIR)/nfsumount.Po
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+	-rm -f ./$(DEPDIR)/parse_opt.Po
+	-rm -f ./$(DEPDIR)/stropts.Po
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+	-rm -f ./$(DEPDIR)/mount_libmount.Po
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+	-rm -f ./$(DEPDIR)/nfs4mount.Po
+	-rm -f ./$(DEPDIR)/nfsmount.Po
+	-rm -f ./$(DEPDIR)/nfsumount.Po
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+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
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+	uninstall-man uninstall-man5 uninstall-man8 \
+	uninstall-sbinPROGRAMS
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+.PRECIOUS: Makefile
+
+
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  ln -sf mount.nfs mount.nfs4 && \
+	  ln -sf mount.nfs umount.nfs && \
+	  ln -sf mount.nfs umount.nfs4 && \
+	  chmod 4511 mount.nfs )
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	    rm -f mount.nfs4 umount.nfs umount.nfs4)
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $$inst ; \
+	  done)
+	(cd $(DESTDIR)$(man5dir) && \
+	  for m in $(man5_MANS) $(dist_man5_MANS) $(nodist_man5_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/5/'`; \
+	    rm -f $$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $$inst ; \
+	  done)
+	(cd $(DESTDIR)$(man5dir) && \
+	  for m in $(man5_MANS) $(dist_man5_MANS) $(nodist_man5_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/5/'`; \
+	    rm -f $$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/mount/configfile.c b/utils/mount/configfile.c
new file mode 100644
index 0000000..1d88cbf
--- /dev/null
+++ b/utils/mount/configfile.c
@@ -0,0 +1,347 @@
+/*
+ * configfile.c -- mount configuration file manipulation
+ * Copyright (C) 2008 Red Hat, Inc <nfs@redhat.com>
+ *
+ * - Routines use to create mount options from the mount
+ *   configuration file.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include "xlog.h"
+#include "mount.h"
+#include "parse_opt.h"
+#include "network.h"
+#include "conffile.h"
+#include "mount_config.h"
+
+#define KBYTES(x)     ((x) * (1024))
+#define MEGABYTES(x)  ((x) * (1048576))
+#define GIGABYTES(x)  ((x) * (1073741824))
+
+#ifndef NFSMOUNT_GLOBAL_OPTS
+#define NFSMOUNT_GLOBAL_OPTS "NFSMount_Global_Options"
+#endif
+
+#ifndef NFSMOUNT_MOUNTPOINT
+#define NFSMOUNT_MOUNTPOINT "MountPoint"
+#endif
+
+#ifndef NFSMOUNT_SERVER
+#define NFSMOUNT_SERVER "Server"
+#endif
+
+enum {
+	MNT_NOARG=0,
+	MNT_INTARG,
+	MNT_STRARG,
+	MNT_SPEC,
+	MNT_UNSET
+};
+struct mnt_alias {
+	char *alias;
+	char *opt;
+	int  argtype;
+} mnt_alias_tab[] = {
+	{"background", "bg", MNT_NOARG},
+	{"foreground", "fg", MNT_NOARG},
+	{"sloppy", "sloppy", MNT_NOARG},
+};
+int mnt_alias_sz = (sizeof(mnt_alias_tab)/sizeof(mnt_alias_tab[0]));
+
+static const char *version_keys[] = {
+	"v3", "v4", "vers", "nfsvers", "minorversion", NULL
+};
+
+static int strict;
+
+static int is_version(const char *field)
+{
+	int i;
+	for (i = 0; version_keys[i] ; i++)
+		if (strcmp(version_keys[i], field) == 0)
+			return 1;
+	if (strncmp(field, "v4.", 3) == 0)
+		return 1;
+	return 0;
+}
+
+/*
+ * See if the option is an alias, if so return the
+ * real mount option along with the argument type.
+ */
+inline static
+char *mountopts_alias(char *opt, int *argtype)
+{
+	int i;
+
+	*argtype = MNT_UNSET;
+	for (i=0; i < mnt_alias_sz; i++) {
+		if (strcasecmp(opt, mnt_alias_tab[i].alias) != 0)
+			continue;
+		*argtype = mnt_alias_tab[i].argtype;
+		return mnt_alias_tab[i].opt;
+	}
+	/* Make option names case-insensitive */
+	upper2lower(opt);
+
+	return opt;
+}
+/*
+ * Convert numeric strings that end with 'k', 'm' or 'g'
+ * into numeric strings with the real value.
+ * Meaning '8k' becomes '8094'.
+ */
+static char *mountopts_convert(char *value)
+{
+	unsigned long long factor, num;
+	static char buf[64];
+	char *ch;
+
+	ch = &value[strlen(value)-1];
+	switch (tolower(*ch)) {
+	case 'k':
+		factor = KBYTES(1);
+		break;
+	case 'm':
+		factor = MEGABYTES(1);
+		break;
+	case 'g':
+		factor = GIGABYTES(1);
+		break;
+	default:
+		return value;
+	}
+	*ch = '\0';
+	if (strncmp(value, "0x", 2) == 0) {
+		num = strtol(value, (char **)NULL, 16);
+	} else if (strncmp(value, "0", 1) == 0) {
+		num = strtol(value, (char **)NULL, 8);
+	} else {
+		num = strtol(value, (char **)NULL, 10);
+	}
+	num *= factor;
+	snprintf(buf, 64, "%lld", num);
+
+	return buf;
+}
+
+struct nfs_version config_default_vers;
+unsigned long config_default_proto;
+extern sa_family_t config_default_family;
+
+/*
+ * Check to see if a default value is being set.
+ * If so, set the appropriate global value which will
+ * be used as the initial value in the server negation.
+ */
+static int
+default_value(char *mopt)
+{
+	struct mount_options *options = NULL;
+	int dftlen = strlen("default");
+	char *field;
+
+	if (strncasecmp(mopt, "default", dftlen) != 0)
+		return 0;
+
+	field = mopt + dftlen;
+	if (strncasecmp(field, "proto", strlen("proto")) == 0) {
+		if ((options = po_split(field)) != NULL) {
+			if (!nfs_nfs_protocol(options, &config_default_proto)) {
+				xlog_warn("Unable to set default protocol : %s",
+					strerror(errno));
+			}
+			if (!nfs_nfs_proto_family(options, &config_default_family)) {
+				xlog_warn("Unable to set default family : %s",
+					strerror(errno));
+			}
+		} else {
+			xlog_warn("Unable to alloc memory for default protocol");
+		}
+	} else if (strncasecmp(field, "vers", strlen("vers")) == 0) {
+		if ((options = po_split(field)) != NULL) {
+			if (!nfs_nfs_version("nfs", options, &config_default_vers)) {
+				xlog_warn("Unable to set default version: %s",
+					strerror(errno));
+			}
+		} else {
+			xlog_warn("Unable to alloc memory for default version");
+		}
+	} else
+		xlog_warn("Invalid default setting: '%s'", mopt);
+
+	if (options)
+		po_destroy(options);
+
+	return 1;
+}
+/*
+ * Parse the given section of the configuration
+ * file to if there are any mount options set.
+ * If so, added them to link list.
+ */
+static void
+conf_parse_mntopts(char *section, char *arg, struct mount_options *options)
+{
+	struct conf_list *list;
+	struct conf_list_node *node;
+	char buf[BUFSIZ], *value, *field;
+	char *nvalue, *ptr;
+	int argtype;
+	int have_version = 0;
+
+	if (po_rightmost(options, version_keys) >= 0 ||
+	    po_contains_prefix(options, "v4.", NULL, 0) == PO_FOUND)
+		have_version = 1;
+
+	list = conf_get_tag_list(section, arg);
+	TAILQ_FOREACH(node, &list->fields, link) {
+		/*
+		 * Do not overwrite options if already exists
+		 */
+		field = mountopts_alias(node->field, &argtype);
+		if (po_contains(options, field) == PO_FOUND)
+			continue;
+		/* Some options can be inverted by a "no" prefix.
+		 * Check for these.
+		 * "no" prefixes are unlikely in the config file as
+		 * "option=false" is preferred, but still possible.
+		 */
+		if (strncmp(field, "no", 2) == 0 &&
+		    po_contains(options, field+2) == PO_FOUND)
+			continue;
+		if (strlen(field) < BUFSIZ-3) {
+			strcat(strcpy(buf, "no"), field);
+			if (po_contains(options, buf) == PO_FOUND)
+				continue;
+		}
+
+		/* If fg or bg already present, ignore bg or fg */
+		if (strcmp(field, "fg") == 0 &&
+		    po_contains(options, "bg") == PO_FOUND)
+			continue;
+		if (strcmp(field, "bg") == 0 &&
+		    po_contains(options, "fg") == PO_FOUND)
+			continue;
+
+		if (is_version(field)) {
+			if (have_version)
+				continue;
+			have_version = 1;
+		}
+
+		buf[0] = '\0';
+		value = conf_get_section(section, arg, node->field);
+		if (value == NULL)
+			continue;
+		if (strcasecmp(value, "false") == 0) {
+			if (argtype != MNT_NOARG)
+				snprintf(buf, BUFSIZ, "no%s", field);
+			else if (strcasecmp(field, "bg") == 0)
+				snprintf(buf, BUFSIZ, "fg");
+			else if (strcasecmp(field, "fg") == 0)
+				snprintf(buf, BUFSIZ, "bg");
+			else if (strcasecmp(field, "sloppy") == 0)
+				strict = 1;
+		} else if (strcasecmp(value, "true") == 0) {
+			if ((strcasecmp(field, "sloppy") == 0) && strict)
+				continue;
+			snprintf(buf, BUFSIZ, "%s", field);
+		} else {
+			nvalue = strdup(value);
+			ptr = mountopts_convert(nvalue);
+			snprintf(buf, BUFSIZ, "%s=%s", field, ptr);
+			free(nvalue);
+		}
+		if (buf[0] == '\0')
+			continue;
+
+		po_append(options, buf);
+		default_value(buf);
+	}
+	conf_free_list(list);
+}
+
+/*
+ * Concatenate options from the configuration file with the
+ * given options by building a link list of options from the
+ * different sections in the conf file. Options that exists
+ * in the either the given options or link list are not
+ * overwritten so it matter which when each section is
+ * parsed.
+ */
+char *conf_get_mntopts(char *spec, char *mount_point,
+			      char *mount_opts)
+{
+	struct mount_options *options;
+	char *ptr, *server;
+
+	strict = 0;
+	options = po_split(mount_opts);
+	if (!options) {
+		xlog_warn("conf_get_mountops: Unable calloc memory for options");
+		return mount_opts;
+	}
+	/*
+	 * First see if there are any mount options relative
+	 * to the mount point.
+	 */
+	conf_parse_mntopts(NFSMOUNT_MOUNTPOINT, mount_point, options);
+
+	/*
+	 * Next, see if there are any mount options relative
+	 * to the server
+	 */
+	server = strdup(spec);
+	if (server == NULL) {
+		xlog_warn("conf_get_mountops: Unable calloc memory for server");
+		po_destroy(options);
+		return mount_opts;
+	}
+	if ((ptr = strchr(server, ':')) != NULL)
+		*ptr='\0';
+	conf_parse_mntopts(NFSMOUNT_SERVER, server, options);
+	free(server);
+
+	/*
+	 * Finally process all the global mount options.
+	 */
+	conf_parse_mntopts(NFSMOUNT_GLOBAL_OPTS, NULL, options);
+
+	/*
+	 * Strip out defaults, which have already been handled,
+	 * then join the rest and return.
+	 */
+	while (po_contains_prefix(options, "default", &ptr, 0) == PO_FOUND) {
+		ptr = strdup(ptr);
+		po_remove_all(options, ptr);
+		free(ptr);
+	}
+
+	po_join(options, &mount_opts);
+	po_destroy(options);
+
+	return mount_opts;
+}
diff --git a/utils/mount/error.c b/utils/mount/error.c
new file mode 100644
index 0000000..9ddbcc0
--- /dev/null
+++ b/utils/mount/error.c
@@ -0,0 +1,360 @@
+/*
+ * error.c -- Common error handling functions
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ * To Do:
+ *  + Proper support for internationalization
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <syslog.h>
+#include <rpc/rpc.h>
+
+#include "xcommon.h"
+#include "nls.h"
+#include "mount.h"
+#include "error.h"
+
+#ifdef HAVE_RPCSVC_NFS_PROT_H
+#include <rpcsvc/nfs_prot.h>
+#else
+#include <linux/nfs.h>
+#define nfsstat nfs_stat
+#endif
+
+extern char *progname;
+
+static char errbuf[PATH_MAX];
+static char *erreob = &errbuf[PATH_MAX];
+
+/* Convert RPC errors into strings */
+static int rpc_strerror(int spos)
+{
+	int cf_stat = rpc_createerr.cf_stat;
+	int pos = 0, cf_errno = rpc_createerr.cf_error.re_errno;
+	char *ptr, *estr = clnt_sperrno(cf_stat);
+	char *tmp;
+
+	if (estr) {
+		if ((ptr = strchr(estr, ':')))
+			estr = ++ptr;
+
+		tmp = &errbuf[spos];
+		if (cf_stat == RPC_SYSTEMERROR)
+			pos = snprintf(tmp, (erreob - tmp),
+					_("System Error: %s"),
+						strerror(cf_errno));
+		else {
+			if (cf_errno) 
+				pos = snprintf(tmp, (erreob - tmp),
+					_("RPC Error:%s; errno = %s"), 
+					estr, strerror(cf_errno));
+			else
+				pos = snprintf(tmp, (erreob - tmp),
+						_("RPC Error:%s"), estr);
+		}
+	}
+	return pos;
+}
+
+/**
+ * rpc_mount_errors - log an RPC error that occurred during a user-space mount
+ * @server: C string containing name of server we are attempting to mount
+ * @will_retry: one indicates mount will retry at some later point
+ * @bg: one indicates this is a background mount
+ *
+ * Extracts the error code from the user-space RPC library, and reports it
+ * on stderr (fg mount) or in the system log (bg mount).
+ */
+void rpc_mount_errors(char *server, int will_retry, int bg)
+{
+	int pos = 0;
+	char *tmp;
+	static int onlyonce = 0;
+
+	tmp = &errbuf[pos];
+	if (bg)
+		pos = snprintf(tmp, (erreob - tmp),
+				_("mount to NFS server '%s' failed: "),
+					server);
+	else
+		pos = snprintf(tmp, (erreob - tmp),
+				_("%s: mount to NFS server '%s' failed: "),
+					progname, server);
+
+	tmp = &errbuf[pos];
+	if (rpc_createerr.cf_stat == RPC_TIMEDOUT) {
+		if (will_retry)
+			pos = snprintf(tmp, (erreob - tmp),
+					_("timed out, retrying"));
+		else
+			pos = snprintf(tmp, (erreob - tmp),
+					_("timed out, giving up"));
+	} else {
+		pos += rpc_strerror(pos);
+		tmp = &errbuf[pos];
+		if (bg) {
+			if (will_retry)
+				pos = snprintf(tmp, (erreob - tmp),
+						_(", retrying"));
+			else
+				pos = snprintf(tmp, (erreob - tmp),
+						_(", giving up"));
+		}
+	}
+
+	if (bg) {
+		if (onlyonce++ < 1)
+			openlog("mount", LOG_CONS|LOG_PID, LOG_AUTH);
+		syslog(LOG_ERR, "%s", errbuf);
+	} else
+		fprintf(stderr, "%s\n", errbuf);
+}
+
+/**
+ * sys_mount_errors - log an error that occurred during a mount system call
+ * @server: C string containing name of server we are attempting to mount
+ * @error: errno value to report
+ * @will_retry: one indicates mount will retry at some later point
+ * @bg: one indicates this is a background mount
+ *
+ * Passed an errno value generated by a mount system call, and reports it
+ * on stderr (fg mount) or in the system log (bg mount).
+ */
+void sys_mount_errors(char *server, int error, int will_retry, int bg)
+{
+	int pos = 0;
+	char *tmp;
+	static int onlyonce = 0;
+
+	tmp = &errbuf[pos];
+	if (bg)
+		pos = snprintf(tmp, (erreob - tmp),
+				_("mount to NFS server '%s' failed: "),
+					server);
+	else
+		pos = snprintf(tmp, (erreob - tmp),
+				_("%s: mount to NFS server '%s' failed: "),
+					progname, server);
+
+	tmp = &errbuf[pos];
+	if (error == ETIMEDOUT) {
+		if (will_retry)
+			pos = snprintf(tmp, (erreob - tmp),
+					_("timed out, retrying"));
+		else
+			pos = snprintf(tmp, (erreob - tmp),
+					_("timed out, giving up"));
+	} else {
+		if (bg) {
+			if (will_retry)
+				pos = snprintf(tmp, (erreob - tmp),
+						_("%s, retrying"),
+						strerror(error));
+			else
+				pos = snprintf(tmp, (erreob - tmp),
+						_("%s, giving up"),
+						strerror(error));
+		}
+	}
+
+	if (bg) {
+		if (onlyonce++ < 1)
+			openlog("mount", LOG_CONS|LOG_PID, LOG_AUTH);
+		syslog(LOG_ERR, "%s", errbuf);
+	} else
+		fprintf(stderr, "%s\n", errbuf);
+}
+
+/**
+ * mount_error - report a foreground mount error
+ * @spec: C string containing the device name being mounted
+ * @mount_point: C string containing the pathname of the local mounted on dir
+ * @error: errno value to report
+ *
+ */
+void mount_error(const char *spec, const char *mount_point, int error)
+{
+	switch(error) {
+	case EACCES:
+		nfs_error(_("%s: access denied by server while mounting %s"),
+				progname, spec);
+		break;
+	case EINVAL:
+		nfs_error(_("%s: an incorrect mount option was specified for %s"),
+				progname, mount_point);
+		break;
+	case EOPNOTSUPP:
+		nfs_error(_("%s: requested NFS version or transport protocol is not supported for %s"),
+				progname, mount_point);
+		break;
+	case ENOTDIR:
+		if (spec)
+			nfs_error(_("%s: mount spec %s or point %s is not a directory"),
+				  progname, spec, mount_point);
+		else
+			nfs_error(_("%s: mount point %s is not a directory"),
+				  progname, mount_point);
+		break;
+	case EBUSY:
+		nfs_error(_("%s: %s is busy or already mounted or sharecache fail"),
+			progname, mount_point);
+		break;
+	case ENOENT:
+		if (spec)
+			nfs_error(_("%s: mounting %s failed, reason given by server: %s"),
+				  progname, spec, strerror(error));
+		else
+			nfs_error(_("%s: mount point %s does not exist"),
+				  progname, mount_point);
+		break;
+	case ESPIPE:
+		rpc_mount_errors((char *)spec, 0, 0);
+		break;
+	case EIO:
+		nfs_error(_("%s: mount system call failed for %s"),
+			  progname, mount_point);
+		break;
+	case EFAULT:
+		nfs_error(_("%s: encountered unexpected error condition for %s."),
+			  progname, mount_point);
+		nfs_error(_("%s: please report the error to" PACKAGE_BUGREPORT),
+			  progname);
+		break;
+	case EALREADY:
+		/* Error message has already been provided */
+		break;
+	default:
+		nfs_error(_("%s: %s for %s on %s"),
+			  progname, strerror(error), spec, mount_point);
+	}
+}
+
+/*
+ * umount_error - report a failed umount request
+ * @err: errno value to report
+ * @dev: C string containing the pathname of the local mounted on dir
+ *
+ */
+void umount_error(int err, const char *dev)
+{
+	switch (err) {
+	case ENXIO:
+		nfs_error(_("%s: %s: invalid block device"),
+			progname, dev);
+		break;
+	case EINVAL:
+		nfs_error(_("%s: %s: not mounted"),
+			progname, dev);
+		break;
+	case EIO:
+		nfs_error(_("%s: %s: can't write superblock"),
+			progname, dev);
+		break;
+	case EBUSY:
+		nfs_error(_("%s: %s: device is busy"),
+			progname, dev);
+		break;
+	case ENOENT:
+		nfs_error(_("%s: %s: not found"),
+			progname, dev);
+		break;
+	case EPERM:
+		nfs_error(_("%s: %s: must be superuser to umount"),
+			progname, dev);
+		break;
+	case EACCES:
+		nfs_error(_("%s: %s: block devices not permitted on fs"),
+			progname, dev);
+		break;
+	default:
+		nfs_error(_("%s: %s: %s"),
+			progname, dev, strerror(err));
+		break;
+	}
+}
+
+/*
+ * We need to translate between nfs status return values and
+ * the local errno values which may not be the same.
+ *
+ * Andreas Schwab <schwab@LS5.informatik.uni-dortmund.de>: change errno:
+ * "after #include <errno.h> the symbol errno is reserved for any use,
+ *  it cannot even be used as a struct tag or field name".
+ */
+
+#ifndef EDQUOT
+#define EDQUOT	ENOSPC
+#endif
+
+#define ARRAY_SIZE(x)		(sizeof(x) / sizeof((x)[0])) 
+
+static struct {
+	enum nfsstat stat;
+	int errnum;
+} nfs_errtbl[] = {
+	{ NFS_OK,		0		},
+	{ NFSERR_PERM,		EPERM		},
+	{ NFSERR_NOENT,		ENOENT		},
+	{ NFSERR_IO,		EIO		},
+	{ NFSERR_NXIO,		ENXIO		},
+	{ NFSERR_ACCES,		EACCES		},
+	{ NFSERR_EXIST,		EEXIST		},
+	{ NFSERR_NODEV,		ENODEV		},
+	{ NFSERR_NOTDIR,	ENOTDIR		},
+	{ NFSERR_ISDIR,		EISDIR		},
+#ifdef NFSERR_INVAL
+	{ NFSERR_INVAL,		EINVAL		},	/* that Sun forgot */
+#endif
+	{ NFSERR_FBIG,		EFBIG		},
+	{ NFSERR_NOSPC,		ENOSPC		},
+	{ NFSERR_ROFS,		EROFS		},
+	{ NFSERR_NAMETOOLONG,	ENAMETOOLONG	},
+	{ NFSERR_NOTEMPTY,	ENOTEMPTY	},
+	{ NFSERR_DQUOT,		EDQUOT		},
+	{ NFSERR_STALE,		ESTALE		},
+#ifdef EWFLUSH
+	{ NFSERR_WFLUSH,	EWFLUSH		},
+#endif
+	/* Throw in some NFSv3 values for even more fun (HP returns these) */
+	{ 71,			EREMOTE		},
+};
+
+char *nfs_strerror(unsigned int stat)
+{
+	unsigned int i;
+	static char buf[256];
+
+	for (i = 0; i < ARRAY_SIZE(nfs_errtbl); i++) {
+		if (nfs_errtbl[i].stat == stat)
+			return strerror(nfs_errtbl[i].errnum);
+	}
+	sprintf(buf, _("unknown nfs status return value: %u"), stat);
+	return buf;
+}
diff --git a/utils/mount/error.h b/utils/mount/error.h
new file mode 100644
index 0000000..ef80fd0
--- /dev/null
+++ b/utils/mount/error.h
@@ -0,0 +1,35 @@
+/*
+ * error.h:  Common error handling functions
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_ERROR_H
+#define _NFS_UTILS_MOUNT_ERROR_H
+
+char *nfs_strerror(unsigned int);
+
+void mount_error(const char *, const char *, int);
+void rpc_mount_errors(char *, int, int);
+void sys_mount_errors(char *, int, int, int);
+
+void umount_error(int, const char *);
+
+#endif	/* _NFS_UTILS_MOUNT_ERROR_H */
diff --git a/utils/mount/fstab.c b/utils/mount/fstab.c
new file mode 100644
index 0000000..146d8f4
--- /dev/null
+++ b/utils/mount/fstab.c
@@ -0,0 +1,653 @@
+/* 1999-02-22 Arkadiusz Miskiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ * Sun Mar 21 1999 - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ * - fixed strerr(errno) in gettext calls
+ *
+ * 2006-06-08 Amit Gud <agud@redhat.com>
+ * - Moved code to nfs-utils/support/nfs from util-linux/mount.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <mntent.h>
+
+#include "fstab.h"
+#include "xcommon.h"
+#include "nfs_mntent.h"
+#include "nfs_paths.h"
+#include "nls.h"
+
+#define LOCK_TIMEOUT	10
+#define streq(s, t)	(strcmp ((s), (t)) == 0)
+#define PROC_MOUNTS		"/proc/mounts"
+
+extern char *progname;
+extern int verbose;
+
+/* Information about mtab. ------------------------------------*/
+static int have_mtab_info = 0;
+static int var_mtab_does_not_exist = 0;
+static int var_mtab_is_a_symlink = 0;
+
+static void
+get_mtab_info(void) {
+	struct stat mtab_stat;
+
+	if (!have_mtab_info) {
+		if (lstat(MOUNTED, &mtab_stat))
+			var_mtab_does_not_exist = 1;
+		else if (S_ISLNK(mtab_stat.st_mode))
+			var_mtab_is_a_symlink = 1;
+		have_mtab_info = 1;
+	}
+}
+
+void
+reset_mtab_info(void) {
+        have_mtab_info = 0;
+}
+
+int
+mtab_does_not_exist(void) {
+	get_mtab_info();
+	return var_mtab_does_not_exist;
+}
+
+int
+mtab_is_a_symlink(void) {
+        get_mtab_info();
+        return var_mtab_is_a_symlink;
+}
+
+int
+mtab_is_writable() {
+	int fd;
+
+	/* Should we write to /etc/mtab upon an update?
+	   Probably not if it is a symlink to /proc/mounts, since that
+	   would create a file /proc/mounts in case the proc filesystem
+	   is not mounted. */
+	if (mtab_is_a_symlink())
+		return 0;
+
+	fd = open(MOUNTED, O_RDWR | O_CREAT, 0644);
+	if (fd >= 0) {
+		close(fd);
+		return 1;
+	} else
+		return 0;
+}
+
+/* Contents of mtab and fstab ---------------------------------*/
+
+struct mntentchn mounttable;
+static int got_mtab = 0;
+struct mntentchn procmounts;
+static int got_procmounts = 0;
+struct mntentchn fstab;
+static int got_fstab = 0;
+
+static void read_mounttable(void);
+static void read_procmounts(void);
+static void read_fstab(void);
+
+static struct mntentchn *
+mtab_head(void)
+{
+	if (!got_mtab)
+		read_mounttable();
+	return &mounttable;
+}
+
+static struct mntentchn *
+procmounts_head(void)
+{
+	if (!got_procmounts)
+		read_procmounts();
+	return &procmounts;
+}
+
+static struct mntentchn *
+fstab_head(void)
+{
+	if (!got_fstab)
+		read_fstab();
+	return &fstab;
+}
+
+#if 0
+static void
+my_free(const void *s) {
+	if (s)
+		free((void *) s);
+}
+
+static void
+discard_mntentchn(struct mntentchn *mc0) {
+	struct mntentchn *mc, *mc1;
+
+	for (mc = mc0->nxt; mc && mc != mc0; mc = mc1) {
+		mc1 = mc->nxt;
+		my_free(mc->m.mnt_fsname);
+		my_free(mc->m.mnt_dir);
+		my_free(mc->m.mnt_type);
+		my_free(mc->m.mnt_opts);
+		free(mc);
+	}
+}
+#endif
+
+static void
+read_mntentchn(mntFILE *mfp, const char *fnam, struct mntentchn *mc0) {
+	struct mntentchn *mc = mc0;
+	struct mntent *mnt;
+
+	while ((mnt = nfs_getmntent(mfp)) != NULL) {
+		if (!streq(mnt->mnt_type, MNTTYPE_IGNORE)) {
+			mc->nxt = (struct mntentchn *) xmalloc(sizeof(*mc));
+			mc->nxt->prev = mc;
+			mc = mc->nxt;
+			mc->m = *mnt;
+			mc->nxt = mc0;
+		}
+	}
+	mc0->prev = mc;
+	if (ferror(mfp->mntent_fp)) {
+		int errsv = errno;
+		nfs_error(_("warning: error reading %s: %s"),
+		      fnam, strerror (errsv));
+		mc0->nxt = mc0->prev = NULL;
+	}
+	nfs_endmntent(mfp);
+}
+
+/*
+ * Read /etc/mtab.  If that fails, try /proc/mounts.
+ * This produces a linked list. The list head mounttable is a dummy.
+ * Return 0 on success.
+ */
+static void
+read_mounttable() {
+        mntFILE *mfp;
+        const char *fnam;
+        struct mntentchn *mc = &mounttable;
+
+        got_mtab = 1;
+        mc->nxt = mc->prev = NULL;
+
+        fnam = MOUNTED;
+        mfp = nfs_setmntent (fnam, "r");
+        if (mfp == NULL || mfp->mntent_fp == NULL) {
+                int errsv = errno;
+                fnam = PROC_MOUNTS;
+                mfp = nfs_setmntent (fnam, "r");
+                if (mfp == NULL || mfp->mntent_fp == NULL) {
+                        nfs_error(_("warning: can't open %s: %s"),
+                              MOUNTED, strerror (errsv));
+                        return;
+                }
+                if (verbose)
+                        printf(_("%s: could not open %s; using %s instead\n"),
+				progname, MOUNTED, PROC_MOUNTS);
+        }
+        read_mntentchn(mfp, fnam, mc);
+}
+
+/*
+ * Read /proc/mounts.
+ * This produces a linked list. The list head procmounts is a dummy.
+ * Return 0 on success.
+ */
+static void
+read_procmounts() {
+        mntFILE *mfp;
+        const char *fnam;
+        struct mntentchn *mc = &procmounts;
+
+        got_procmounts = 1;
+        mc->nxt = mc->prev = NULL;
+
+        fnam = PROC_MOUNTS;
+        mfp = nfs_setmntent(fnam, "r");
+        if (mfp == NULL || mfp->mntent_fp == NULL) {
+                nfs_error(_("warning: can't open %s: %s"),
+                          PROC_MOUNTS, strerror (errno));
+                return;
+        }
+        read_mntentchn(mfp, fnam, mc);
+}
+
+static void
+read_fstab()
+{
+	mntFILE *mfp = NULL;
+	const char *fnam;
+	struct mntentchn *mc = &fstab;
+
+	got_fstab = 1;
+	mc->nxt = mc->prev = NULL;
+
+	fnam = _PATH_FSTAB;
+	mfp = nfs_setmntent (fnam, "r");
+	if (mfp == NULL || mfp->mntent_fp == NULL) {
+		int errsv = errno;
+		nfs_error(_("warning: can't open %s: %s"),
+			  _PATH_FSTAB, strerror (errsv));
+		return;
+	}
+	read_mntentchn(mfp, fnam, mc);
+}
+
+/*
+ * Given the directory name NAME, and the place MCPREV we found it last time,
+ * try to find more occurrences.
+ */ 
+struct mntentchn *
+getmntdirbackward (const char *name, struct mntentchn *mcprev) {
+	struct mntentchn *mc, *mc0;
+
+	mc0 = mtab_head();
+	if (!mcprev)
+		mcprev = mc0;
+	for (mc = mcprev->prev; mc && mc != mc0; mc = mc->prev)
+		if (streq(mc->m.mnt_dir, name))
+			return mc;
+	return NULL;
+}
+
+/*
+ * Given the directory name NAME, and the place MCPREV we found it last time,
+ * try to find more occurrences.
+ */
+struct mntentchn *
+getprocmntdirbackward (const char *name, struct mntentchn *mcprev) {
+	struct mntentchn *mc, *mc0;
+
+	mc0 = procmounts_head();
+	if (!mcprev)
+		mcprev = mc0;
+	for (mc = mcprev->prev; mc && mc != mc0; mc = mc->prev)
+		if (streq(mc->m.mnt_dir, name))
+			return mc;
+	return NULL;
+}
+
+/*
+ * Given the device name NAME, and the place MCPREV we found it last time,
+ * try to find more occurrences.
+ */ 
+struct mntentchn *
+getmntdevbackward (const char *name, struct mntentchn *mcprev) {
+	struct mntentchn *mc, *mc0;
+
+	mc0 = mtab_head();
+	if (!mcprev)
+		mcprev = mc0;
+	for (mc = mcprev->prev; mc && mc != mc0; mc = mc->prev)
+		if (streq(mc->m.mnt_fsname, name))
+			return mc;
+	return NULL;
+}
+
+/* Find the dir FILE in fstab.  */
+struct mntentchn *
+getfsfile (const char *file)
+{
+	struct mntentchn *mc, *mc0;
+
+	mc0 = fstab_head();
+	for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
+		if (streq(mc->m.mnt_dir, file))
+			return mc;
+	return NULL;
+}
+
+/* Find the device SPEC in fstab.  */
+struct mntentchn *
+getfsspec (const char *spec)
+{
+	struct mntentchn *mc, *mc0;
+
+	mc0 = fstab_head();
+	for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt)
+		if (streq(mc->m.mnt_fsname, spec))
+			return mc;
+	return NULL;
+}
+
+/* Updating mtab ----------------------------------------------*/
+
+/* Flag for already existing lock file. */
+static int we_created_lockfile = 0;
+static int lockfile_fd = -1;
+
+/* Flag to indicate that signals have been set up. */
+static int signals_have_been_setup = 0;
+
+/* Ensure that the lock is released if we are interrupted.  */
+extern char *strsignal(int sig);	/* not always in <string.h> */
+
+static void
+handler (int sig) {
+     die(EX_USER, "%s", strsignal(sig));
+}
+
+static void
+setlkw_timeout (__attribute__((unused)) int sig) {
+     /* nothing, fcntl will fail anyway */
+}
+
+/* Remove lock file.  */
+void
+unlock_mtab (void) {
+	if (we_created_lockfile) {
+		close(lockfile_fd);
+		lockfile_fd = -1;
+		unlink (MOUNTED_LOCK);
+		we_created_lockfile = 0;
+	}
+}
+
+/* Create the lock file.
+   The lock file will be removed if we catch a signal or when we exit. */
+/* The old code here used flock on a lock file /etc/mtab~ and deleted
+   this lock file afterwards. However, as rgooch remarks, that has a
+   race: a second mount may be waiting on the lock and proceed as
+   soon as the lock file is deleted by the first mount, and immediately
+   afterwards a third mount comes, creates a new /etc/mtab~, applies
+   flock to that, and also proceeds, so that the second and third mount
+   now both are scribbling in /etc/mtab.
+   The new code uses a link() instead of a creat(), where we proceed
+   only if it was us that created the lock, and hence we always have
+   to delete the lock afterwards. Now the use of flock() is in principle
+   superfluous, but avoids an arbitrary sleep(). */
+
+/* Where does the link point to? Obvious choices are mtab and mtab~~.
+   HJLu points out that the latter leads to races. Right now we use
+   mtab~.<pid> instead. Use 20 as upper bound for the length of %d. */
+#define MOUNTLOCK_LINKTARGET		MOUNTED_LOCK "%d"
+#define MOUNTLOCK_LINKTARGET_LTH	(sizeof(MOUNTED_LOCK)+20)
+
+void
+lock_mtab (void) {
+	int tries = 100000, i;
+	char linktargetfile[MOUNTLOCK_LINKTARGET_LTH];
+
+	at_die = unlock_mtab;
+
+	if (!signals_have_been_setup) {
+		int sig = 0;
+		struct sigaction sa;
+
+		sa.sa_flags = 0;
+		sigfillset (&sa.sa_mask);
+  
+		while (sigismember (&sa.sa_mask, ++sig) != -1) {
+			switch(sig) {
+			case SIGCHLD:
+			case SIGKILL:
+			case SIGCONT:
+			case SIGSTOP:
+				/* The cannot be caught, or should not,
+				 * so don't even try.
+				 */
+				continue;
+			case SIGALRM:
+				sa.sa_handler = setlkw_timeout;
+				break;
+			case SIGHUP:
+			case SIGINT:
+			case SIGQUIT:
+			case SIGWINCH:
+			case SIGTSTP:
+			case SIGTTIN:
+			case SIGTTOU:
+			case SIGPIPE:
+			case SIGXFSZ:
+			case SIGXCPU:
+				/* non-priv user can cause these to be
+				 * generated, so ignore them.
+				 */
+				sa.sa_handler = SIG_IGN;
+				break;
+			default:
+				/* The rest should not be possible, so just
+				 * print a message and unlock mtab.
+				 */
+				sa.sa_handler = handler;
+			}
+			sigaction (sig, &sa, (struct sigaction *) 0);
+		}
+		signals_have_been_setup = 1;
+	}
+
+	sprintf(linktargetfile, MOUNTLOCK_LINKTARGET, getpid ());
+
+	i = open (linktargetfile, O_WRONLY|O_CREAT, 0);
+	if (i < 0) {
+		int errsv = errno;
+		/* linktargetfile does not exist (as a file)
+		   and we cannot create it. Read-only filesystem?
+		   Too many files open in the system?
+		   Filesystem full? */
+		die (EX_FILEIO, _("can't create lock file %s: %s "
+						  "(use -n flag to override)"),
+			 linktargetfile, strerror (errsv));
+	}
+	close(i);
+	
+	/* Repeat until it was us who made the link */
+	while (!we_created_lockfile) {
+		struct flock flock;
+		int j;
+
+		j = link(linktargetfile, MOUNTED_LOCK);
+
+		{
+			int errsv = errno;
+
+			if (j == 0)
+				we_created_lockfile = 1;
+
+			if (j < 0 && errsv != EEXIST) {
+				(void) unlink(linktargetfile);
+				die (EX_FILEIO, _("can't link lock file %s: %s "
+				     "(use -n flag to override)"),
+				     MOUNTED_LOCK, strerror (errsv));
+			}
+		}
+
+		lockfile_fd = open (MOUNTED_LOCK, O_WRONLY);
+
+		if (lockfile_fd < 0) {
+			int errsv = errno;
+			/* Strange... Maybe the file was just deleted? */
+			if (errno == ENOENT && tries-- > 0) {
+				if (tries % 200 == 0)
+					usleep(30);
+				continue;
+			}
+			(void) unlink(linktargetfile);
+			die (EX_FILEIO, _("can't open lock file %s: %s "
+			     "(use -n flag to override)"),
+			     MOUNTED_LOCK, strerror (errsv));
+		}
+
+		flock.l_type = F_WRLCK;
+		flock.l_whence = SEEK_SET;
+		flock.l_start = 0;
+		flock.l_len = 0;
+
+		if (j == 0) {
+			/* We made the link. Now claim the lock. */
+			if (fcntl (lockfile_fd, F_SETLK, &flock) == -1) {
+				if (verbose) {
+				    int errsv = errno;
+				    nfs_error(_("%s: Can't lock lock file "
+						"%s: %s"), progname,
+					   	MOUNTED_LOCK,
+						strerror (errsv));
+				}
+				/* proceed anyway */
+			}
+			(void) unlink(linktargetfile);
+		} else {
+			static int retries = 0;
+
+			/* Someone else made the link. Wait. */
+			alarm(LOCK_TIMEOUT);
+			if (fcntl (lockfile_fd, F_SETLKW, &flock) == -1) {
+				int errsv = errno;
+				(void) unlink(linktargetfile);
+				die (EX_FILEIO, _("can't lock lock file %s: %s"),
+				     MOUNTED_LOCK, (errno == EINTR) ?
+				     _("timed out") : strerror (errsv));
+			}
+			alarm(0);
+			/* Limit the number of iterations - maybe there
+			   still is some old /etc/mtab~ */
+			++retries;
+			if (retries % 200 == 0)
+			   usleep(30);
+			if (retries > 100000) {
+				(void) unlink(linktargetfile);
+				close(lockfile_fd);
+				die (EX_FILEIO, _("Cannot create link %s\n"
+						  "Perhaps there is a stale lock file?\n"),
+					 MOUNTED_LOCK);
+ 			}
+			close(lockfile_fd);
+		}
+	}
+}
+
+/*
+ * Update the mtab.
+ *  Used by umount with null INSTEAD: remove the last DIR entry.
+ *  Used by mount upon a remount: update option part,
+ *   and complain if a wrong device or type was given.
+ *   [Note that often a remount will be a rw remount of /
+ *    where there was no entry before, and we'll have to believe
+ *    the values given in INSTEAD.]
+ */
+
+void
+update_mtab (const char *dir, struct mntent *instead)
+{
+	mntFILE *mfp, *mftmp;
+	const char *fnam = MOUNTED;
+	struct mntentchn mtabhead;	/* dummy */
+	struct mntentchn *mc, *mc0, *absent = NULL;
+
+	if (mtab_does_not_exist() || !mtab_is_writable())
+		return;
+
+	lock_mtab();
+
+	/* having locked mtab, read it again */
+	mc0 = mc = &mtabhead;
+	mc->nxt = mc->prev = NULL;
+
+	mfp = nfs_setmntent(fnam, "r");
+	if (mfp == NULL || mfp->mntent_fp == NULL) {
+		int errsv = errno;
+		nfs_error (_("cannot open %s (%s) - mtab not updated"),
+		       fnam, strerror (errsv));
+		goto leave;
+	}
+
+	read_mntentchn(mfp, fnam, mc);
+
+	/* find last occurrence of dir */
+	for (mc = mc0->prev; mc && mc != mc0; mc = mc->prev)
+		if (streq(mc->m.mnt_dir, dir))
+			break;
+	if (mc && mc != mc0) {
+		if (instead == NULL) {
+			/* An umount - remove entry */
+			if (mc && mc != mc0) {
+				mc->prev->nxt = mc->nxt;
+				mc->nxt->prev = mc->prev;
+				free(mc);
+			}
+		} else {
+			/* A remount */
+			mc->m.mnt_opts = instead->mnt_opts;
+		}
+	} else if (instead) {
+		/* not found, add a new entry */
+		absent = xmalloc(sizeof(*absent));
+		absent->m = *instead;
+		absent->nxt = mc0;
+		absent->prev = mc0->prev;
+		mc0->prev = absent;
+		if (mc0->nxt == NULL)
+			mc0->nxt = absent;
+	}
+
+	/* write chain to mtemp */
+	mftmp = nfs_setmntent (MOUNTED_TEMP, "w");
+	if (mftmp == NULL || mftmp->mntent_fp == NULL) {
+		int errsv = errno;
+		nfs_error (_("cannot open %s (%s) - mtab not updated"),
+		       MOUNTED_TEMP, strerror (errsv));
+		goto leave;
+	}
+
+	for (mc = mc0->nxt; mc && mc != mc0; mc = mc->nxt) {
+		if (nfs_addmntent(mftmp, &(mc->m)) == 1) {
+			int errsv = errno;
+			die (EX_FILEIO, _("error writing %s: %s"),
+			     MOUNTED_TEMP, strerror (errsv));
+		}
+	}
+
+#if 0
+	/* the chain might have strings copied from 'instead',
+	 * so we cannot safely free it.
+	 * And there is no need anyway because we are going to exit
+	 * shortly.  So just don't call discard_mntentchn....
+	 */
+	discard_mntentchn(mc0);
+#endif
+	if (fchmod (fileno (mftmp->mntent_fp),
+		    S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) < 0) {
+		int errsv = errno;
+		nfs_error(_("%s: error changing mode of %s: %s"),
+				progname, MOUNTED_TEMP, strerror (errsv));
+	}
+	nfs_endmntent (mftmp);
+
+	{ /*
+	   * If mount is setuid and some non-root user mounts sth,
+	   * then mtab.tmp might get the group of this user. Copy uid/gid
+	   * from the present mtab before renaming.
+	   */
+	    struct stat sbuf;
+	    if (stat (MOUNTED, &sbuf) == 0) {
+			if (chown (MOUNTED_TEMP, sbuf.st_uid, sbuf.st_gid) < 0) {
+				nfs_error(_("%s: error changing owner of %s: %s"),
+					progname, MOUNTED_TEMP, strerror (errno));
+			}
+		}
+	}
+
+	/* rename mtemp to mtab */
+	if (rename (MOUNTED_TEMP, MOUNTED) < 0) {
+		int errsv = errno;
+		nfs_error(_("%s: can't rename %s to %s: %s\n"),
+				progname, MOUNTED_TEMP, MOUNTED,
+				strerror(errsv));
+	}
+
+ leave:
+	unlock_mtab();
+}
diff --git a/utils/mount/fstab.h b/utils/mount/fstab.h
new file mode 100644
index 0000000..8676c8c
--- /dev/null
+++ b/utils/mount/fstab.h
@@ -0,0 +1,32 @@
+#ifndef _NFS_UTILS_MOUNT_FSTAB_H
+#define _NFS_UTILS_MOUNT_FSTAB_H
+
+#include "nfs_mntent.h"
+
+#ifndef _PATH_FSTAB
+#define _PATH_FSTAB "/etc/fstab"
+#endif
+
+int mtab_is_a_symlink(void);
+int mtab_is_writable(void);
+int mtab_does_not_exist(void);
+void reset_mtab_info(void);
+
+struct mntentchn {
+	struct mntentchn *nxt, *prev;
+	struct mntent m;
+};
+
+struct mntentchn *getmntoptfile (const char *file);
+struct mntentchn *getmntdirbackward (const char *dir, struct mntentchn *mc);
+struct mntentchn *getprocmntdirbackward (const char *name, struct mntentchn *mc);
+struct mntentchn *getmntdevbackward (const char *dev, struct mntentchn *mc);
+
+struct mntentchn *getfsfile (const char *file);
+struct mntentchn *getfsspec (const char *spec);
+
+void lock_mtab (void);
+void unlock_mtab (void);
+void update_mtab (const char *special, struct mntent *with);
+
+#endif	/* _NFS_UTILS_MOUNT_FSTAB_H */
diff --git a/utils/mount/mount.c b/utils/mount/mount.c
new file mode 100644
index 0000000..b98f9e0
--- /dev/null
+++ b/utils/mount/mount.c
@@ -0,0 +1,558 @@
+/*
+ * mount.c -- Linux NFS mount
+ *
+ * Copyright (C) 2006 Amit Gud <agud@redhat.com>
+ *
+ * - Basic code and wrapper around mount and umount code of NFS.
+ *   Based on util-linux/mount/mount.c.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/mount.h>
+#include <getopt.h>
+#include <mntent.h>
+#include <pwd.h>
+#include <libgen.h>
+
+#include "fstab.h"
+#include "xcommon.h"
+#include "nls.h"
+#include "mount_constants.h"
+#include "mount_config.h"
+#include "nfs_paths.h"
+#include "nfs_mntent.h"
+
+#include "nfs_mount.h"
+#include "nfs4_mount.h"
+#include "mount.h"
+#include "error.h"
+#include "stropts.h"
+#include "utils.h"
+
+char *progname;
+int nfs_mount_data_version;
+int nomtab;
+int verbose;
+int sloppy;
+int string;
+
+#define FOREGROUND	(0)
+#define BACKGROUND	(1)
+
+static struct option longopts[] = {
+  { "fake", 0, 0, 'f' },
+  { "help", 0, 0, 'h' },
+  { "no-mtab", 0, 0, 'n' },
+  { "read-only", 0, 0, 'r' },
+  { "ro", 0, 0, 'r' },
+  { "verbose", 0, 0, 'v' },
+  { "version", 0, 0, 'V' },
+  { "read-write", 0, 0, 'w' },
+  { "rw", 0, 0, 'w' },
+  { "options", 1, 0, 'o' },
+  { NULL, 0, 0, 0 }
+};
+
+/*
+ * Map from -o and fstab option strings to the flag argument to mount(2).
+ */
+struct opt_map {
+	const char *opt;	/* option name */
+	int skip;		/* skip in mtab option string */
+	int inv;		/* true if flag value should be inverted */
+	int mask;		/* flag mask value */
+};
+
+static const struct opt_map opt_map[] = {
+  { "defaults", 0, 0, 0         },      /* default options */
+  { "ro",       1, 0, MS_RDONLY },      /* read-only */
+  { "rw",       1, 1, MS_RDONLY },      /* read-write */
+  { "exec",     0, 1, MS_NOEXEC },      /* permit execution of binaries */
+  { "noexec",   0, 0, MS_NOEXEC },      /* don't execute binaries */
+  { "suid",     0, 1, MS_NOSUID },      /* honor suid executables */
+  { "nosuid",   0, 0, MS_NOSUID },      /* don't honor suid executables */
+  { "dev",      0, 1, MS_NODEV  },      /* interpret device files  */
+  { "nodev",    0, 0, MS_NODEV  },      /* don't interpret devices */
+  { "sync",     0, 0, MS_SYNCHRONOUS},  /* synchronous I/O */
+  { "async",    0, 1, MS_SYNCHRONOUS},  /* asynchronous I/O */
+  { "dirsync",  0, 0, MS_DIRSYNC},      /* synchronous directory modifications */
+  { "remount",  0, 0, MS_REMOUNT},      /* Alter flags of mounted FS */
+  { "bind",     0, 0, MS_BIND   },      /* Remount part of tree elsewhere */
+  { "rbind",    0, 0, MS_BIND|MS_REC }, /* Idem, plus mounted subtrees */
+  { "auto",     0, 0, MS_DUMMY },       /* Can be mounted using -a */
+  { "noauto",   0, 0, MS_DUMMY },       /* Can  only be mounted explicitly */
+  { "users",    1, 0, MS_USERS },	/* Allow ordinary user to mount */
+  { "nousers",  0, 1, MS_DUMMY  },      /* Forbid ordinary user to mount */
+  { "user",     1, 0, MS_USER  },	/* Allow ordinary user to mount */
+  { "nouser",   0, 1, MS_DUMMY   },     /* Forbid ordinary user to mount */
+  { "owner",    0, 0, MS_DUMMY  },      /* Let the owner of the device mount */
+  { "noowner",  0, 0, MS_DUMMY  },      /* Device owner has no special privs */
+  { "group",    0, 0, MS_DUMMY  },      /* Let the group of the device mount */
+  { "nogroup",  0, 0, MS_DUMMY  },      /* Device group has no special privs */
+  { "_netdev",  0, 0, MS_DUMMY},        /* Device requires network */
+  { "comment",  0, 0, MS_DUMMY},        /* fstab comment only (kudzu,_netdev)*/
+
+  /* add new options here */
+#ifdef MS_NOSUB
+  { "sub",      0, 1, MS_NOSUB  },      /* allow submounts */
+  { "nosub",    0, 0, MS_NOSUB  },      /* don't allow submounts */
+#endif
+#ifdef MS_SILENT
+  { "quiet",    0, 0, MS_SILENT    },   /* be quiet  */
+  { "loud",     0, 1, MS_SILENT    },   /* print out messages. */
+#endif
+#ifdef MS_MANDLOCK
+  { "mand",     0, 0, MS_MANDLOCK },    /* Allow mandatory locks on this FS */
+  { "nomand",   0, 1, MS_MANDLOCK },    /* Forbid mandatory locks on this FS */
+#endif
+  { "loop",     1, 0, MS_DUMMY   },      /* use a loop device */
+#ifdef MS_NOATIME
+  { "atime",    0, 1, MS_NOATIME },     /* Update access time */
+  { "noatime",  0, 0, MS_NOATIME },     /* Do not update access time */
+#endif
+#ifdef MS_NODIRATIME
+  { "diratime", 0, 1, MS_NODIRATIME },  /* Update dir access times */
+  { "nodiratime", 0, 0, MS_NODIRATIME },/* Do not update dir access times */
+#endif
+#ifdef MS_RELATIME
+  { "relatime", 0, 0, MS_RELATIME },   /* Update access times relative to
+                      mtime/ctime */
+  { "norelatime", 0, 1, MS_RELATIME }, /* Update access time without regard
+                      to mtime/ctime */
+#endif
+  { "noquota", 0, 0, MS_DUMMY },        /* Don't enforce quota */
+  { "quota", 0, 0, MS_DUMMY },          /* Enforce user quota */
+  { "usrquota", 0, 0, MS_DUMMY },       /* Enforce user quota */
+  { "grpquota", 0, 0, MS_DUMMY },       /* Enforce group quota */
+  { NULL,	0, 0, 0		}
+};
+
+static void parse_opts(const char *options, int *flags, char **extra_opts);
+
+/*
+ * Build a canonical mount option string for /etc/mtab.
+ */
+static char *fix_opts_string(int flags, const char *extra_opts)
+{
+	const struct opt_map *om;
+	char *new_opts;
+
+	new_opts = xstrdup((flags & MS_RDONLY) ? "ro" : "rw");
+	if (flags & MS_USER) {
+		/* record who mounted this so they can unmount */
+		struct passwd *pw = getpwuid(getuid());
+		if(pw)
+			new_opts = xstrconcat3(new_opts, ",user=", pw->pw_name);
+	}
+	if (flags & MS_USERS)
+		new_opts = xstrconcat3(new_opts, ",users", "");
+
+	for (om = opt_map; om->opt != NULL; om++) {
+		if (om->skip)
+			continue;
+		if (om->inv || !om->mask || (flags & om->mask) != om->mask)
+			continue;
+		new_opts = xstrconcat3(new_opts, ",", om->opt);
+		flags &= ~om->mask;
+	}
+	if (extra_opts && *extra_opts) {
+		new_opts = xstrconcat3(new_opts, ",", extra_opts);
+	}
+	return new_opts;
+}
+
+static void
+init_mntent(struct mntent *mnt, char *fsname, char *dir, char *type,
+		int flags, char *opts)
+{
+	mnt->mnt_fsname	= fsname;
+	mnt->mnt_dir	= dir;
+	mnt->mnt_type	= type;
+	mnt->mnt_opts	= fix_opts_string(flags & ~MS_NOMTAB, opts);
+
+	/* these are always zero for NFS */
+	mnt->mnt_freq	= 0;
+	mnt->mnt_passno	= 0;
+}
+
+/* Create mtab with a root entry.  */
+static void
+create_mtab (void) {
+	struct mntentchn *fstab;
+	struct mntent mnt;
+	int flags;
+	mntFILE *mfp;
+
+	/* Avoid writing if the mtab is a symlink to /proc/mounts, since
+	   that would create a file /proc/mounts in case the proc filesystem
+	   is not mounted, and the fchmod below would also fail. */
+	if (mtab_is_a_symlink()) {
+		return;
+	}
+
+	lock_mtab();
+
+	mfp = nfs_setmntent (MOUNTED, "a+");
+	if (mfp == NULL || mfp->mntent_fp == NULL) {
+		int errsv = errno;
+		die (EX_FILEIO, _("mount: can't open %s for writing: %s"),
+		     MOUNTED, strerror (errsv));
+	}
+
+	/* Find the root entry by looking it up in fstab */
+	if ((fstab = getfsfile ("/")) || (fstab = getfsfile ("root"))) {
+		char *extra_opts;
+		parse_opts (fstab->m.mnt_opts, &flags, &extra_opts);
+		init_mntent(&mnt, xstrdup(fstab->m.mnt_fsname), "/",
+				fstab->m.mnt_type, flags, extra_opts);
+		free(extra_opts);
+
+		if (nfs_addmntent (mfp, &mnt) == 1) {
+			int errsv = errno;
+			die (EX_FILEIO, _("mount: error writing %s: %s"),
+			     _PATH_MOUNTED, strerror (errsv));
+		}
+	}
+	if (fchmod (fileno (mfp->mntent_fp), 0644) < 0)
+		if (errno != EROFS) {
+			int errsv = errno;
+			die (EX_FILEIO,
+			     _("mount: error changing mode of %s: %s"),
+			     _PATH_MOUNTED, strerror (errsv));
+		}
+	nfs_endmntent (mfp);
+
+	unlock_mtab();
+
+	reset_mtab_info();
+}
+
+static int add_mtab(char *spec, char *mount_point, char *fstype,
+			int flags, char *opts)
+{
+	struct mntent ment;
+	int result = EX_SUCCESS;
+
+	init_mntent(&ment, spec, mount_point, fstype, flags, opts);
+
+	if (!nomtab && mtab_does_not_exist()) {
+		if (verbose > 1)
+			printf(_("mount: no %s found - creating it..\n"),
+			       MOUNTED);
+		create_mtab ();
+	}
+
+	if (!nomtab && mtab_is_writable()) {
+		if (flags & MS_REMOUNT)
+			update_mtab(ment.mnt_dir, &ment);
+		else {
+			mntFILE *mtab;
+			
+			lock_mtab();
+			mtab = nfs_setmntent(MOUNTED, "a+");
+			if (mtab == NULL || mtab->mntent_fp == NULL) {
+				nfs_error(_("Can't open mtab: %s"),
+						strerror(errno));
+				result = EX_FILEIO;
+			} else {
+				if (nfs_addmntent(mtab, &ment) == 1) {
+					nfs_error(_("Can't write mount entry to mtab: %s"),
+							strerror(errno));
+					result = EX_FILEIO;
+				}
+			}
+			nfs_endmntent(mtab);
+			unlock_mtab();
+		}
+	}
+
+	free(ment.mnt_opts);
+
+	return result;
+}
+
+static void parse_opt(const char *opt, int *mask, char *extra_opts, size_t len)
+{
+	const struct opt_map *om;
+
+	for (om = opt_map; om->opt != NULL; om++) {
+		if (!strcmp (opt, om->opt)) {
+			if (om->inv)
+				*mask &= ~om->mask;
+			else
+				*mask |= om->mask;
+			return;
+		}
+	}
+
+	len -= strlen(extra_opts);
+
+	if (*extra_opts && --len > 0)
+		strcat(extra_opts, ",");
+
+	if ((len -= strlen(opt)) > 0)
+		strcat(extra_opts, opt);
+}
+
+/*
+ * Convert the provided mount command-line options into the 4th &
+ * 5th arguments to mount(2).  Output parameter "@flags" gets the
+ * standard options (indicated by MS_ bits), and output parameter
+ * "@extra_opts" gets all the filesystem-specific options.
+ */
+static void parse_opts(const char *options, int *flags, char **extra_opts)
+{
+	if (options != NULL) {
+		char *opts = xstrdup(options);
+		char *opt, *p;
+		size_t len = strlen(opts) + 1;	/* include room for a null */
+		int open_quote = 0;
+
+		*extra_opts = xmalloc(len);
+		**extra_opts = '\0';
+
+		for (p = opts, opt = NULL; p && *p; p++) {
+			if (!opt)
+				opt = p;	/* begin of the option item */
+			if (*p == '"')
+				open_quote ^= 1; /* reverse the status */
+			if (open_quote)
+				continue;	/* still in a quoted block */
+			if (*p == ',')
+				*p = '\0';	/* terminate the option item */
+
+			/* end of option item or last item */
+			if (*p == '\0' || *(p + 1) == '\0') {
+				parse_opt(opt, flags, *extra_opts, len);
+				opt = NULL;
+			}
+		}
+		free(opts);
+	}
+}
+
+static int try_mount(char *spec, char *mount_point, int flags,
+			char *fs_type, char **extra_opts, char *mount_opts,
+			int fake, int bg)
+{
+	int ret;
+
+	if (string)
+		ret = nfsmount_string(spec, mount_point, fs_type, flags,
+					extra_opts, fake, bg);
+	else {
+		if (strcmp(fs_type, "nfs4") == 0)
+			ret = nfs4mount(spec, mount_point, flags,
+					extra_opts, fake, bg);
+		else
+			ret = nfsmount(spec, mount_point, flags,
+					extra_opts, fake, bg);
+	}
+
+	if (ret)
+		return ret;
+
+	if (!fake)
+		print_one(spec, mount_point, fs_type, mount_opts);
+
+	return add_mtab(spec, mount_point, fs_type, flags, *extra_opts);
+}
+
+int main(int argc, char *argv[])
+{
+	int c, flags = 0, mnt_err = 1, fake = 0;
+	char *spec = NULL, *mount_point = NULL, *fs_type = "nfs";
+	char *extra_opts = NULL, *mount_opts = NULL;
+	uid_t uid = getuid();
+
+	progname = basename(argv[0]);
+
+	nfs_mount_data_version = discover_nfs_mount_data_version(&string);
+
+	if(!strncmp(progname, "umount", strlen("umount")))
+		exit(nfsumount(argc, argv));
+
+	mount_config_init(progname);
+
+	while ((c = getopt_long(argc, argv, "rvVwfno:hs",
+				longopts, NULL)) != -1) {
+		switch (c) {
+		case 'r':
+			flags |= MS_RDONLY;
+			break;
+		case 'v':
+			++verbose;
+			break;
+		case 'V':
+			printf("%s: ("PACKAGE_STRING")\n", progname);
+			exit(EX_SUCCESS);
+		case 'w':
+			flags &= ~MS_RDONLY;
+			break;
+		case 'f':
+			++fake;
+			break;
+		case 'n':
+			++nomtab;
+			break;
+		case 'o':              /* specify mount options */
+			if (mount_opts)
+				mount_opts = xstrconcat3(mount_opts, ",", optarg);
+			else
+				mount_opts = xstrdup(optarg);
+			break;
+		case 's':
+			++sloppy;
+			break;
+		case 'h':
+		default:
+			mount_usage();
+			goto out_usage;
+		}
+	}
+
+	if ((argc < 3)) {
+		mount_usage();
+		exit(EX_USAGE);
+	}
+
+	/*
+	 * Extra non-option words at the end are bogus...
+	 */
+	if (optind != argc - 2) {
+		mount_usage();
+		goto out_usage;
+	} else {
+		while (optind < argc) {
+			if (!spec)
+				spec = argv[optind];
+			else
+				mount_point = argv[optind];
+			optind++;
+		}
+	}
+
+	if (strcmp(progname, "mount.nfs4") == 0)
+		fs_type = "nfs4";
+
+	/*
+	 * If a non-root user is attempting to mount, make sure the
+	 * user's requested options match the options specified in
+	 * /etc/fstab; otherwise, don't allow the mount.
+	 */
+	if (uid != 0) {
+		struct mntentchn *mc;
+
+		if ((mc = getfsfile(mount_point)) == NULL ||
+		    strcmp(mc->m.mnt_fsname, spec) != 0 ||
+		    strcmp(mc->m.mnt_type, fs_type) != 0) {
+			nfs_error(_("%s: permission denied: no match for %s "
+				"found in /etc/fstab"), progname, mount_point);
+			goto out_usage;
+		}
+
+		/*
+		 * 'mount' munges the options from fstab before passing them
+		 * to us, so it is non-trivial to test that we have the correct
+		 * set of options and we don't want to trust what the user
+		 * gave us, so just take whatever is in /etc/fstab.
+		 */
+		mount_opts = strdup(mc->m.mnt_opts);
+	}
+
+	mount_point = canonicalize(mount_point);
+	if (!mount_point) {
+		nfs_error(_("%s: no mount point provided"), progname);
+		goto out_usage;
+	}
+	if (mount_point[0] != '/') {
+		nfs_error(_("%s: unrecognized mount point %s"),
+			progname, mount_point);
+		mnt_err = EX_USAGE;
+		goto out;
+	}
+	/*
+	 * Concatenate mount options from the configuration file
+	 */
+	mount_opts = mount_config_opts(spec, mount_point, mount_opts);
+
+	parse_opts(mount_opts, &flags, &extra_opts);
+
+	if (uid != 0) {
+		if (!(flags & (MS_USERS|MS_USER))) {
+			nfs_error(_("%s: permission denied"), progname);
+			mnt_err = EX_USAGE;
+			goto out;
+		}
+
+		if (geteuid() != 0) {
+			nfs_error(_("%s: not installed setuid - "
+				    "\"user\" NFS mounts not supported."), progname);
+			exit(EX_FAIL);
+		}
+	}
+
+	if (chk_mountpoint(mount_point)) {
+		mnt_err = EX_USAGE;
+		goto out;
+	}
+
+	mnt_err = try_mount(spec, mount_point, flags, fs_type, &extra_opts,
+				mount_opts, fake, FOREGROUND);
+	if (mnt_err == EX_BG) {
+		printf(_("%s: backgrounding \"%s\"\n"),
+			progname, spec);
+		printf(_("%s: mount options: \"%s\"\n"),
+			progname, extra_opts);
+
+		fflush(stdout);
+
+		/*
+		 * Parent exits immediately with success.
+		 */
+		if (daemon(0, 0)) {
+			nfs_error(_("%s: failed to start "
+					"background process: %s\n"),
+						progname, strerror(errno));
+			exit(EX_FAIL);
+		}
+
+		mnt_err = try_mount(spec, mount_point, flags, fs_type,
+					&extra_opts, mount_opts, fake,
+					BACKGROUND);
+		if (verbose && mnt_err)
+			printf(_("%s: giving up \"%s\"\n"),
+				progname, spec);
+	}
+
+out:
+	free(mount_opts);
+	free(extra_opts);
+	free(mount_point);
+	exit(mnt_err);
+
+out_usage:
+	free(mount_opts);
+	exit(EX_USAGE);
+}
diff --git a/utils/mount/mount.nfs.man b/utils/mount/mount.nfs.man
new file mode 100644
index 0000000..a78a3b0
--- /dev/null
+++ b/utils/mount/mount.nfs.man
@@ -0,0 +1,93 @@
+.\"@(#)mount.nfs.8"
+.TH MOUNT.NFS 8 "5 Jun 2006"
+.SH NAME
+mount.nfs, mount.nfs4 \- mount a Network File System
+.SH SYNOPSIS
+.BI "mount.nfs" " remotetarget dir" " [\-rvVwfnsh ] [\-o " options "]
+.SH DESCRIPTION
+.BR mount.nfs
+is a part of 
+.BR nfs (5)
+utilities package, which provides NFS client functionality.
+
+.BR mount.nfs 
+is meant to be used by the
+.BR mount (8)
+command for mounting NFS shares. This subcommand, however, can also be used as a standalone command with limited functionality.
+
+.I remotetarget 
+is a server share usually in the form of 
+.BR servername:/path/to/share.
+.I dir 
+is the directory on which the file system is to be mounted.
+
+Under Linux 2.6.32 and later kernel versions,
+.BR mount.nfs
+can mount all NFS file system versions.  Under earlier Linux kernel versions,
+.BR mount.nfs4
+must be used for mounting NFSv4 file systems while
+.BR mount.nfs
+must be used for NFSv3.
+
+.SH OPTIONS
+.TP
+.BI "\-r"
+Mount file system readonly.
+.TP
+.BI "\-v"
+Be verbose.
+.TP
+.BI "\-V"
+Print version.
+.TP
+.BI "\-w"
+Mount file system read-write.
+.TP
+.BI "\-f"
+Fake mount. Don't actually call the mount system call.
+.TP
+.BI "\-n"
+Do not update 
+.I /etc/mtab. 
+By default, an entry is created in 
+.I /etc/mtab 
+for every mounted file system. Use this option to skip making an entry.
+.TP
+.BI "\-s"
+Tolerate sloppy mount options rather than fail.
+.TP
+.BI "\-h"
+Print help message.
+.TP
+.BI "nfsoptions"
+Refer to 
+.BR nfs (5)
+or
+.BR mount (8) 
+manual pages.
+
+.SH NOTE
+For further information please refer 
+.BR nfs (5)
+and
+.BR mount (8)
+manual pages.
+
+.SH FILES
+.TP 18n
+.I /etc/fstab
+file system table
+.TP
+.I /etc/mtab
+table of mounted file systems
+.TP
+.I /etc/nfsmount.conf
+Configuration file for NFS mounts
+.PD
+.SH "SEE ALSO"
+.BR nfs (5),
+.BR nfsmount.conf (5),
+.BR mount (8),
+
+.SH "AUTHOR"
+Amit Gud <agud@redhat.com>
diff --git a/utils/mount/mount_config.h b/utils/mount/mount_config.h
new file mode 100644
index 0000000..7cc72fc
--- /dev/null
+++ b/utils/mount/mount_config.h
@@ -0,0 +1,55 @@
+#ifndef _LINUX_MOUNT_CONFIG_H
+#define _LINUX_MOUNT_CONFIG_H
+/*
+ * mount_config.h -- mount configuration file routines
+ * Copyright (C) 2008 Red Hat, Inc <nfs@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifdef MOUNT_CONFIG
+#include "conffile.h"
+#include "xlog.h"
+
+#ifndef MOUNTOPTS_CONFFILE
+#define MOUNTOPTS_CONFFILE "/etc/nfsmount.conf"
+#endif
+
+extern char *conf_get_mntopts(char *, char *, char *);
+
+static inline void mount_config_init(char *program)
+{
+	xlog_open(program);
+	/*
+	 * Read the the default mount options
+	 */
+	conf_init_file(MOUNTOPTS_CONFFILE);
+}
+
+static inline char *mount_config_opts(char *spec,
+		char *mount_point, char *mount_opts)
+{
+	return conf_get_mntopts(spec, mount_point, mount_opts);
+}
+
+#else /* MOUNT_CONFIG */
+
+static inline void mount_config_init(__attribute__ ((unused)) char *program) { }
+
+static inline char *mount_config_opts(__attribute__ ((unused)) char *spec,
+		__attribute__ ((unused)) char *mount_point, char *mount_opts)
+{
+	return mount_opts;
+}
+#endif /* MOUNT_CONFIG */
+
+#endif	/* _LINUX_MOUNT_CONFIG_H */
diff --git a/utils/mount/mount_constants.h b/utils/mount/mount_constants.h
new file mode 100644
index 0000000..4d050d8
--- /dev/null
+++ b/utils/mount/mount_constants.h
@@ -0,0 +1,71 @@
+#ifndef _NFS_UTILS_MOUNT_CONSTANTS_H
+#define _NFS_UTILS_MOUNT_CONSTANTS_H
+
+#ifndef MS_DIRSYNC
+#define MS_DIRSYNC	128	/* Directory modifications are synchronous */
+#endif
+
+#ifndef MS_ACTION_MASK
+#define	MS_ACTION_MASK	0x380
+/* Remount, but new filesystem may be different from old. Atomic
+   (i.e. there is no interval when nothing is mounted at the mountpoint).
+   If new fs differs from the old one and old is busy - -EBUSY. */
+#define	MS_REPLACE	0x080	/* 128 */
+/* After, Before: as soon as we get unions these will add a new member
+   in the end or beginning of the chain. Fail if there is a stack
+   on the mountpoint. */
+#define	MS_AFTER	0x100	/* 256 */
+#define	MS_BEFORE	0x180
+/* Over: if nothing mounted on a mountpoint - same as if none of these
+flags had been set; if we have a union with more than one element - fail;
+if we have a stack or plain mount - mount atop of it, forming a stack. */
+#define	MS_OVER		0x200	/* 512 */
+#endif
+#ifndef MS_NOATIME
+#define MS_NOATIME	0x400	/* 1024: Do not update access times. */
+#endif
+#ifndef MS_NODIRATIME
+#define MS_NODIRATIME   0x800	/* 2048: Don't update directory access times */
+#endif
+#ifndef MS_BIND
+#define	MS_BIND		0x1000	/* 4096: Mount existing tree also elsewhere */
+#endif
+#ifndef MS_MOVE
+#define MS_MOVE		0x2000	/* 8192: Atomically move tree */
+#endif
+#ifndef MS_REC
+#define MS_REC		0x4000	/* 16384: Recursive loopback */
+#endif
+#ifndef MS_VERBOSE
+#define MS_VERBOSE	0x8000	/* 32768 */
+#endif
+#ifndef MS_RELATIME
+#define MS_RELATIME 0x200000 /* 200000: Update access times relative
+                                  to mtime/ctime */
+#endif
+/*
+ * NFS fs-specific mount option flags
+ *
+ * MS_DUMMY is assigned to mount options that are not to be
+ * passed to the kernel via the "flags" argument.  These are
+ * generally ignored or handled entirely in user space.
+ */
+#define MS_DUMMY	0x00000000
+#define MS_USERS	0x40000000
+#define MS_USER		0x80000000
+
+/*
+ * Magic mount flag number. Had to be or-ed to the flag values.
+ */
+#ifndef MS_MGC_VAL
+#define MS_MGC_VAL 0xC0ED0000	/* magic flag number to indicate "new" flags */
+#endif
+#ifndef MS_MGC_MSK
+#define MS_MGC_MSK 0xffff0000	/* magic flag number mask */
+#endif
+
+/* Generic options that are prevented from appearing
+ * in the options field in /etc/mtab. */
+#define MS_NOMTAB	(MS_REMOUNT)
+
+#endif	/* _NFS_UTILS_MOUNT_CONSTANTS_H */
diff --git a/utils/mount/mount_libmount.c b/utils/mount/mount_libmount.c
new file mode 100644
index 0000000..aa4ac5c
--- /dev/null
+++ b/utils/mount/mount_libmount.c
@@ -0,0 +1,461 @@
+/*
+ * mount_libmount.c -- Linux NFS [u]mount based on libmount
+ *
+ * Copyright (C) 2011 Karel Zak <kzak@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <libgen.h>
+
+#include <libmount/libmount.h>
+
+#include "nls.h"
+#include "mount_config.h"
+
+#include "nfs_mount.h"
+#include "nfs4_mount.h"
+#include "stropts.h"
+#include "version.h"
+#include "xcommon.h"
+
+#include "error.h"
+#include "utils.h"
+
+char *retrieve_mount_options(struct libmnt_fs *fs);
+
+char *progname;
+int nfs_mount_data_version;
+int verbose;
+int sloppy;
+int string;
+int nomtab;
+
+#define FOREGROUND	(0)
+#define BACKGROUND	(1)
+
+/*
+ * Store mount options to mtab (or /dev/.mount/utab), called from mount.nfs.
+ *
+ * Note that on systems without /etc/mtab the fs-specific options are not
+ * managed by libmount at all. We have to use "mount attributes" that are
+ * private for mount.<type> helpers.
+ */
+static void store_mount_options(struct libmnt_fs *fs, const char *nfs_opts)
+{
+	char *o = NULL;
+
+	mnt_fs_set_attributes(fs, nfs_opts);	/* for non-mtab systems */
+
+	/* for mtab create a new options list */
+	mnt_optstr_append_option(&o, mnt_fs_get_vfs_options(fs), NULL);
+	mnt_optstr_append_option(&o, nfs_opts, NULL);
+	mnt_optstr_append_option(&o, mnt_fs_get_user_options(fs), NULL);
+
+	mnt_fs_set_options(fs, o);
+	free(o);
+}
+
+/*
+ * Retrieve mount options from mtab (or /dev/.mount/utab) called from umount.nfs.
+ *
+ * The result can passed to free().
+ */
+char *retrieve_mount_options(struct libmnt_fs *fs)
+{
+	const char *opts;
+
+	if (!fs)
+		return NULL;
+
+	opts = mnt_fs_get_attributes(fs);	/* /dev/.mount/utab */
+	if (opts)
+		return strdup(opts);
+
+	return mnt_fs_strdup_options(fs);	/* /etc/mtab */
+}
+
+static int try_mount(struct libmnt_context *cxt, int bg)
+{
+	struct libmnt_fs *fs;
+	const char *p;
+	char *src = NULL, *tgt = NULL, *type = NULL, *opts = NULL;
+	unsigned long flags = 0;
+	int fake, ret = 0;
+
+	fs = mnt_context_get_fs(cxt);
+
+	/* libmount returns read-only pointers (const char)
+	 * so, reallocate for nfsmount() functions.
+	 */
+	if ((p = mnt_fs_get_source(fs)))	/* spec */
+		src = strdup(p);
+	if ((p = mnt_fs_get_target(fs)))	/* mountpoint */
+		tgt = strdup(p);
+	if ((p = mnt_fs_get_fstype(fs)))	/* FS type */
+		type = strdup(p);
+	if ((p = mnt_fs_get_fs_options(fs)))	/* mount options */
+		opts = strdup(p);
+
+	mnt_context_get_mflags(cxt, &flags);	/* mount(2) flags */
+	fake = mnt_context_is_fake(cxt);
+
+	if (string)
+		ret = nfsmount_string(src, tgt, type, flags, &opts, fake, bg);
+
+	else if (strcmp(type, "nfs4") == 0)
+		ret = nfs4mount(src, tgt, flags, &opts, fake, bg);
+	else
+		ret = nfsmount(src, tgt, flags, &opts, fake, bg);
+
+	/* Store mount options if not called with mount --no-mtab */
+	if (!ret && !mnt_context_is_nomtab(cxt))
+		store_mount_options(fs, opts);
+
+	free(src);
+	free(tgt);
+	free(type);
+	free(opts);
+
+	return ret;
+}
+
+/* returns: error = -1, success = 1 , not vers4 == 0 */
+static int is_vers4(struct libmnt_context *cxt)
+{
+	struct libmnt_fs *fs = mnt_context_get_fs(cxt);
+	struct libmnt_table *tb = NULL;
+	const char *src = mnt_context_get_source(cxt),
+		   *tgt = mnt_context_get_target(cxt);
+	int rc = 0;
+
+	if (!src || !tgt)
+		return -1;
+
+	if (!mnt_fs_is_kernel(fs)) {
+		struct libmnt_table *tb = mnt_new_table_from_file("/proc/mounts");
+
+		if (!tb)
+			return -1;
+		fs = mnt_table_find_pair(tb, src, tgt, MNT_ITER_BACKWARD);
+	}
+
+	if (fs) {
+		const char *type = mnt_fs_get_fstype(fs);
+		if (type && strcmp(type, "nfs4") == 0)
+			rc = 1;
+	}
+	mnt_free_table(tb);
+	return rc;
+}
+
+static int umount_main(struct libmnt_context *cxt, int argc, char **argv)
+{
+	int rc, c;
+	char *spec = NULL, *opts = NULL;
+	int ret = EX_FAIL, verbose = 0;
+
+	static const struct option longopts[] = {
+		{ "force", 0, 0, 'f' },
+		{ "help", 0, 0, 'h' },
+		{ "no-mtab", 0, 0, 'n' },
+		{ "verbose", 0, 0, 'v' },
+		{ "read-only", 0, 0, 'r' },
+		{ "lazy", 0, 0, 'l' },
+		{ "types", 1, 0, 't' },
+		{ NULL, 0, 0, 0 }
+	};
+
+	mnt_context_init_helper(cxt, MNT_ACT_UMOUNT, 0);
+	mnt_context_disable_canonicalize(cxt, 1);
+
+	while ((c = getopt_long (argc, argv, "fvnrlh", longopts, NULL)) != -1) {
+
+		rc = mnt_context_helper_setopt(cxt, c, optarg);
+		if (rc == 0)		/* valid option */
+			continue;
+		if (rc < 0)		/* error (probably ENOMEM) */
+			goto err;
+					/* rc==1 means unknow option */
+		umount_usage();
+		return EX_USAGE;
+	}
+
+	verbose = mnt_context_is_verbose(cxt);
+
+	if (optind < argc)
+		spec = argv[optind++];
+
+	if (!spec || (*spec != '/' && strchr(spec,':') == NULL)) {
+		nfs_error(_("%s: no mount point provided"), progname);
+		umount_usage();
+		return EX_USAGE;
+	}
+
+	if (mnt_context_set_target(cxt, spec))
+		goto err;
+
+	/* read mtab/fstab, evaluate permissions, etc. */
+	rc = mnt_context_prepare_umount(cxt);
+	if (rc) {
+		nfs_error(_("%s: failed to prepare umount: %s\n"),
+					progname, strerror(-rc));
+		goto err;
+	}
+
+	if (mnt_context_get_fstype(cxt) &&
+	    !mnt_match_fstype(mnt_context_get_fstype(cxt), "nfs,nfs4")) {
+
+		nfs_error(_("%s: %s: is not an NFS filesystem"), progname, spec);
+		ret = EX_USAGE;
+		goto err;
+	}
+
+	if (verbose)
+		printf(_("%s: %s mount point detected\n"), spec,
+					mnt_context_get_fstype(cxt));
+
+	opts = retrieve_mount_options(mnt_context_get_fs(cxt));
+
+	if (!mnt_context_is_lazy(cxt)) {
+		if (opts) {
+			/* we have full FS description (e.g. from mtab or /proc) */
+			switch (is_vers4(cxt)) {
+			case 0:
+				/* We ignore the error from nfs_umount23.
+				 * If the actual umount succeeds (in del_mtab),
+				 * we don't want to signal an error, as that
+				 * could cause /sbin/mount to retry!
+				 */
+				nfs_umount23(mnt_context_get_source(cxt), opts);
+				break;
+			case 1:			/* unknown */
+				break;
+			default:		/* error */
+				goto err;
+			}
+		} else
+			/* strange, no entry in mtab or /proc not mounted */
+			nfs_umount23(spec, "tcp,v3");
+	}
+
+	ret = EX_FILEIO;
+	rc = mnt_context_do_umount(cxt);	/* call umount(2) syscall */
+	mnt_context_finalize_mount(cxt);	/* mtab update */
+
+	if (rc && !mnt_context_get_status(cxt)) {
+		/* mnt_context_do_umount() returns errno if umount(2) failed */
+		umount_error(rc, spec);
+		goto err;
+	}
+	ret = EX_SUCCESS;
+err:
+	if (verbose) {
+		if (ret == EX_SUCCESS)
+			printf(_("%s: umounted\n"), spec);
+		else
+			printf(_("%s: umount failed\n"), spec);
+	}
+	free(opts);
+	return ret;
+}
+
+static int mount_main(struct libmnt_context *cxt, int argc, char **argv)
+{
+	int rc, c;
+	struct libmnt_fs *fs;
+	char *spec = NULL, *mount_point = NULL, *opts = NULL;
+
+	static const struct option longopts[] = {
+	  { "fake", 0, 0, 'f' },
+	  { "help", 0, 0, 'h' },
+	  { "no-mtab", 0, 0, 'n' },
+	  { "read-only", 0, 0, 'r' },
+	  { "ro", 0, 0, 'r' },
+	  { "verbose", 0, 0, 'v' },
+	  { "version", 0, 0, 'V' },
+	  { "read-write", 0, 0, 'w' },
+	  { "rw", 0, 0, 'w' },
+	  { "options", 1, 0, 'o' },
+	  { "sloppy", 0, 0, 's' },
+	  { NULL, 0, 0, 0 }
+	};
+
+	mount_config_init(progname);
+	mnt_context_init_helper(cxt, MNT_ACT_MOUNT, 0);
+
+	while ((c = getopt_long(argc, argv, "fhnrVvwo:s", longopts, NULL)) != -1) {
+
+		rc = mnt_context_helper_setopt(cxt, c, optarg);
+		if (rc == 0)		/* valid option */
+			continue;
+		if (rc < 0)		/* error (probably ENOMEM) */
+			goto err;
+					/* rc==1 means unknow option */
+		switch (c) {
+		case 'V':
+			printf("%s: ("PACKAGE_STRING")\n", progname);
+			return EX_SUCCESS;
+		case 'h':
+		default:
+			mount_usage();
+			return EX_USAGE;
+		}
+	}
+
+	if (optind < argc)
+		spec = argv[optind++];
+	if (optind < argc)
+		mount_point = argv[optind++];
+
+	if (!mount_point) {
+		nfs_error(_("%s: no mount point provided"), progname);
+		mount_usage();
+		goto err;
+	}
+	if (!spec) {
+		nfs_error(_("%s: no mount spec provided"), progname);
+		goto err;
+	}
+
+	if (geteuid() != 0) {
+		nfs_error(_("%s: not installed setuid - "
+			    "\"user\" NFS mounts not supported."), progname);
+		goto err;
+	}
+
+	verbose = mnt_context_is_verbose(cxt);
+	sloppy = mnt_context_is_sloppy(cxt);
+	nomtab = mnt_context_is_nomtab(cxt);
+
+	if (strcmp(progname, "mount.nfs4") == 0)
+		mnt_context_set_fstype(cxt, "nfs4");
+	else
+		mnt_context_set_fstype(cxt, "nfs");	/* default */
+
+	rc = mnt_context_set_source(cxt, spec);
+	if (!rc)
+		mnt_context_set_target(cxt, mount_point);
+	if (rc) {
+		nfs_error(_("%s: failed to set spec or mountpoint: %s"),
+				progname, strerror(errno));
+		goto err;
+	}
+
+	mount_point = mnt_resolve_path(mount_point,
+				       mnt_context_get_cache(cxt));
+
+	if (chk_mountpoint(mount_point))
+		goto err;
+
+	/*
+	 * The libmount strictly uses only options from fstab if running in
+	 * restricted mode (suid, non-root user). This is done in
+	 * mnt_context_prepare_mount() by default.
+	 *
+	 * We have to read fstab before nfsmount.conf, otherwise the options
+	 * from nfsmount.conf will be ignored (overwrited).
+	 */
+	rc = mnt_context_apply_fstab(cxt);
+	if (rc) {
+		nfs_error(_("%s: failed to apply fstab options\n"), progname);
+		goto err;
+	}
+
+	/*
+	 * Concatenate mount options from the configuration file
+	 */
+	fs = mnt_context_get_fs(cxt);
+	if (fs) {
+		opts = mnt_fs_strdup_options(fs);
+
+		opts = mount_config_opts(spec, mount_point, opts);
+		mnt_fs_set_options(fs, opts);
+	}
+
+	rc = mnt_context_prepare_mount(cxt);
+	if (rc) {
+		nfs_error(_("%s: failed to prepare mount: %s\n"),
+					progname, strerror(-rc));
+		goto err;
+	}
+
+	rc = try_mount(cxt, FOREGROUND);
+
+	if (rc == EX_BG) {
+		printf(_("%s: backgrounding \"%s\"\n"),
+			progname, mnt_context_get_source(cxt));
+		printf(_("%s: mount options: \"%s\"\n"),
+			progname, opts);
+
+		fflush(stdout);
+
+		if (daemon(0, 0)) {
+			nfs_error(_("%s: failed to start "
+					"background process: %s\n"),
+					progname, strerror(errno));
+			exit(EX_FAIL);
+		}
+
+		rc = try_mount(cxt, BACKGROUND);
+
+		if (verbose && rc)
+			printf(_("%s: giving up \"%s\"\n"),
+				progname, mnt_context_get_source(cxt));
+	}
+
+	mnt_context_set_syscall_status(cxt, rc == EX_SUCCESS ? 0 : -1);
+	mnt_context_finalize_mount(cxt);	/* mtab update */
+	return rc;
+err:
+	return EX_FAIL;
+}
+
+int main(int argc, char *argv[])
+{
+	struct libmnt_context *cxt;
+	int rc;
+
+	mnt_init_debug(0);
+	cxt = mnt_new_context();
+	if (!cxt) {
+		nfs_error(_("Can't initilize libmount: %s"),
+					strerror(errno));
+		rc = EX_FAIL;
+		goto done;
+	}
+
+	progname = basename(argv[0]);
+	nfs_mount_data_version = discover_nfs_mount_data_version(&string);
+
+	if(strncmp(progname, "umount", 6) == 0)
+		rc = umount_main(cxt, argc, argv);
+	else
+		rc = mount_main(cxt, argc, argv);
+done:
+	mnt_free_context(cxt);
+	return rc;
+}
diff --git a/utils/mount/network.c b/utils/mount/network.c
new file mode 100644
index 0000000..01ead49
--- /dev/null
+++ b/utils/mount/network.c
@@ -0,0 +1,1801 @@
+/*
+ * network.c -- Provide common network functions for NFS mount/umount
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <netdb.h>
+#include <time.h>
+#include <grp.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 24))
+/* Cannot safely include linux/in6.h in old glibc, so hardcode the needed values */
+# define IPV6_PREFER_SRC_PUBLIC 2
+# define IPV6_ADDR_PREFERENCES 72
+#else
+# include <linux/in6.h>
+#endif
+#include <netinet/in.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <rpc/pmap_clnt.h>
+#include <net/if.h>
+#include <ifaddrs.h>
+
+#include "sockaddr.h"
+#include "xcommon.h"
+#include "mount.h"
+#include "nls.h"
+#include "nfs_mount.h"
+#include "mount_constants.h"
+#include "nfsrpc.h"
+#include "parse_opt.h"
+#include "network.h"
+#include "conffile.h"
+#include "nfslib.h"
+
+#define PMAP_TIMEOUT	(10)
+#define CONNECT_TIMEOUT	(20)
+#define MOUNT_TIMEOUT	(30)
+#define STATD_TIMEOUT	(10)
+
+#define SAFE_SOCKADDR(x)	(struct sockaddr *)(char *)(x)
+
+extern int nfs_mount_data_version;
+extern char *progname;
+extern int verbose;
+
+static const char *nfs_mnt_pgmtbl[] = {
+	"mount",
+	"mountd",
+	NULL,
+};
+
+static const char *nfs_nfs_pgmtbl[] = {
+	"nfs",
+	"nfsprog",
+	NULL,
+};
+
+static const char *nfs_transport_opttbl[] = {
+	"udp",
+	"tcp",
+	"rdma",
+	"proto",
+	NULL,
+};
+
+static const char *nfs_version_opttbl[] = {
+	"v2", /* no longer supported */
+	"v3",
+	"v4",
+	"vers",
+	"nfsvers",
+	NULL,
+};
+
+static const unsigned long nfs_to_mnt[] = {
+	0,
+	0,
+	1,
+	3,
+};
+
+static const unsigned long mnt_to_nfs[] = {
+	0,
+	2,
+	2,
+	3,
+};
+
+/*
+ * Map an NFS version into the corresponding Mountd version
+ */
+unsigned long nfsvers_to_mnt(const unsigned long vers)
+{
+	if (vers <= 3)
+		return nfs_to_mnt[vers];
+	return 0;
+}
+
+/*
+ * Map a Mountd version into the corresponding NFS version
+ */
+static unsigned long mntvers_to_nfs(const unsigned long vers)
+{
+	if (vers <= 3)
+		return mnt_to_nfs[vers];
+	return 0;
+}
+
+static const unsigned int probe_udp_only[] = {
+	IPPROTO_UDP,
+	0,
+};
+
+static const unsigned int probe_udp_first[] = {
+	IPPROTO_UDP,
+	IPPROTO_TCP,
+	0,
+};
+
+static const unsigned int probe_tcp_first[] = {
+	IPPROTO_TCP,
+	IPPROTO_UDP,
+	0,
+};
+
+static const unsigned long probe_nfs2_only[] = {
+	2,
+	0,
+};
+
+static const unsigned long probe_nfs3_only[] = {
+	3,
+	0,
+};
+
+static const unsigned long probe_mnt1_first[] = {
+	1,
+	2,
+	0,
+};
+
+static const unsigned long probe_mnt3_only[] = {
+	3,
+	0,
+};
+
+static const unsigned int *nfs_default_proto(void);
+#ifdef MOUNT_CONFIG
+static const unsigned int *nfs_default_proto(void)
+{
+	extern unsigned long config_default_proto;
+	/*
+	 * If the default proto has been set and 
+	 * its not TCP, start with UDP
+	 */
+	if (config_default_proto && config_default_proto != IPPROTO_TCP)
+		return probe_udp_first;
+
+	return probe_tcp_first; 
+}
+#else
+static const unsigned int *nfs_default_proto() 
+{
+	return probe_tcp_first; 
+}
+#endif /* MOUNT_CONFIG */
+
+/**
+ * nfs_lookup - resolve hostname to an IPv4 or IPv6 socket address
+ * @hostname: pointer to C string containing DNS hostname to resolve
+ * @family: address family hint
+ * @sap: pointer to buffer to fill with socket address
+ * @len: IN: size of buffer to fill; OUT: size of socket address
+ *
+ * Returns 1 and places a socket address at @sap if successful;
+ * otherwise zero.
+ */
+int nfs_lookup(const char *hostname, const sa_family_t family,
+		struct sockaddr *sap, socklen_t *salen)
+{
+	struct addrinfo *gai_results;
+	struct addrinfo gai_hint = {
+		.ai_family	= family,
+	};
+	socklen_t len = *salen;
+	int error, ret = 0;
+
+	*salen = 0;
+
+	error = getaddrinfo(hostname, NULL, &gai_hint, &gai_results);
+	switch (error) {
+	case 0:
+		break;
+	case EAI_SYSTEM:
+		nfs_error(_("%s: DNS resolution failed for %s: %s"),
+			progname, hostname, strerror(errno));
+		return ret;
+	default:
+		nfs_error(_("%s: DNS resolution failed for %s: %s"),
+			progname, hostname, gai_strerror(error));
+		return ret;
+	}
+
+	switch (gai_results->ai_addr->sa_family) {
+	case AF_INET:
+	case AF_INET6:
+		if (len >= gai_results->ai_addrlen) {
+			*salen = gai_results->ai_addrlen;
+			memcpy(sap, gai_results->ai_addr, *salen);
+			ret = 1;
+		}
+		break;
+	default:
+		/* things are really broken if we get here, so warn */
+		nfs_error(_("%s: unrecognized DNS resolution results for %s"),
+				progname, hostname);
+		break;
+	}
+
+	nfs_freeaddrinfo(gai_results);
+	return ret;
+}
+
+/**
+ * nfs_gethostbyname - resolve a hostname to an IPv4 address
+ * @hostname: pointer to a C string containing a DNS hostname
+ * @sin: returns an IPv4 address 
+ *
+ * Returns 1 if successful, otherwise zero.
+ */
+int nfs_gethostbyname(const char *hostname, struct sockaddr_in *sin)
+{
+	socklen_t len = sizeof(*sin);
+
+	return nfs_lookup(hostname, AF_INET, (struct sockaddr *)sin, &len);
+}
+
+/**
+ * nfs_string_to_sockaddr - convert string address to sockaddr
+ * @address:	pointer to presentation format address to convert
+ * @sap:	pointer to socket address buffer to fill in
+ * @salen:	IN: length of address buffer
+ *		OUT: length of converted socket address
+ *
+ * Convert a presentation format address string to a socket address.
+ * Similar to nfs_lookup(), but the DNS query is squelched, and it
+ * won't make any noise if the getaddrinfo() call fails.
+ *
+ * Returns 1 and fills in @sap and @salen if successful; otherwise zero.
+ *
+ * See RFC 4038 section 5.1 or RFC 3513 section 2.2 for more details
+ * on presenting IPv6 addresses as text strings.
+ */
+int nfs_string_to_sockaddr(const char *address, struct sockaddr *sap,
+			   socklen_t *salen)
+{
+	struct addrinfo *gai_results;
+	struct addrinfo gai_hint = {
+		.ai_flags	= AI_NUMERICHOST,
+	};
+	socklen_t len = *salen;
+	int ret = 0;
+
+	*salen = 0;
+
+	if (getaddrinfo(address, NULL, &gai_hint, &gai_results) == 0) {
+		switch (gai_results->ai_addr->sa_family) {
+		case AF_INET:
+		case AF_INET6:
+			if (len >= gai_results->ai_addrlen) {
+				*salen = gai_results->ai_addrlen;
+				memcpy(sap, gai_results->ai_addr, *salen);
+				ret = 1;
+			}
+			break;
+		}
+		nfs_freeaddrinfo(gai_results);
+	}
+
+	return ret;
+}
+
+/**
+ * nfs_present_sockaddr - convert sockaddr to string
+ * @sap: pointer to socket address to convert
+ * @salen: length of socket address
+ * @buf: pointer to buffer to fill in
+ * @buflen: length of buffer
+ *
+ * Convert the passed-in sockaddr-style address to presentation format.
+ * The presentation format address is placed in @buf and is
+ * '\0'-terminated.
+ *
+ * Returns 1 if successful; otherwise zero.
+ *
+ * See RFC 4038 section 5.1 or RFC 3513 section 2.2 for more details
+ * on presenting IPv6 addresses as text strings.
+ */
+int nfs_present_sockaddr(const struct sockaddr *sap, const socklen_t salen,
+			 char *buf, const size_t buflen)
+{
+#ifdef HAVE_GETNAMEINFO
+	int result;
+
+	result = getnameinfo(sap, salen, buf, buflen,
+					NULL, 0, NI_NUMERICHOST);
+	if (!result)
+		return 1;
+
+	nfs_error(_("%s: invalid server address: %s"), progname,
+			gai_strerror(result));
+	return 0;
+#else	/* HAVE_GETNAMEINFO */
+	char *addr;
+
+	if (sap->sa_family == AF_INET) {
+		addr = inet_ntoa(((struct sockaddr_in *)sap)->sin_addr);
+		if (addr && strlen(addr) < buflen) {
+			strcpy(buf, addr);
+			return 1;
+		}
+	}
+
+	nfs_error(_("%s: invalid server address"), progname);
+	return 0;
+#endif	/* HAVE_GETNAMEINFO */
+}
+
+/*
+ * Attempt to connect a socket, but time out after "timeout" seconds.
+ *
+ * On error return, caller closes the socket.
+ */
+static int connect_to(int fd, struct sockaddr *addr,
+			socklen_t addrlen, int timeout)
+{
+	int ret, saved;
+	fd_set rset, wset;
+	struct timeval tv = {
+		.tv_sec = timeout,
+	};
+
+	saved = fcntl(fd, F_GETFL, 0);
+	fcntl(fd, F_SETFL, saved | O_NONBLOCK);
+
+	ret = connect(fd, addr, addrlen);
+	if (ret < 0 && errno != EINPROGRESS)
+		return -1;
+	if (ret == 0)
+		goto out;
+
+	FD_ZERO(&rset);
+	FD_SET(fd, &rset);
+	wset = rset;
+	ret = select(fd + 1, &rset, &wset, NULL, &tv);
+	if (ret == 0) {
+		errno = ETIMEDOUT;
+		return -1;
+	}
+	if (FD_ISSET(fd, &rset) || FD_ISSET(fd, &wset)) {
+		int error;
+		socklen_t len = sizeof(error);
+		if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) < 0)
+			return -1;
+		if (error) {
+			errno = error;
+			return -1;
+		}
+	} else
+		return -1;
+
+out:
+	fcntl(fd, F_SETFL, saved);
+	return 0;
+}
+
+/*
+ * Create a socket that is locally bound to a reserved or non-reserved port.
+ *
+ * The caller should check rpc_createerr to determine the cause of any error.
+ */
+static int get_socket(struct sockaddr_in *saddr, unsigned int p_prot,
+			unsigned int timeout, int resvp, int conn)
+{
+	int so, cc, type;
+	struct sockaddr_in laddr;
+	socklen_t namelen = sizeof(laddr);
+
+	type = (p_prot == IPPROTO_UDP ? SOCK_DGRAM : SOCK_STREAM);
+	if ((so = socket (AF_INET, type, p_prot)) < 0)
+		goto err_socket;
+
+	laddr.sin_family = AF_INET;
+	laddr.sin_port = 0;
+	laddr.sin_addr.s_addr = htonl(INADDR_ANY);
+	if (resvp) {
+		if (bindresvport(so, &laddr) < 0)
+			goto err_bindresvport;
+	}
+	if (type == SOCK_STREAM || (conn && type == SOCK_DGRAM)) {
+		cc = connect_to(so, SAFE_SOCKADDR(saddr), namelen,
+				timeout);
+		if (cc < 0)
+			goto err_connect;
+	}
+	return so;
+
+err_socket:
+	rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+	rpc_createerr.cf_error.re_errno = errno;
+	if (verbose) {
+		nfs_error(_("%s: Unable to create %s socket: errno %d (%s)\n"),
+			progname, p_prot == IPPROTO_UDP ? _("UDP") : _("TCP"),
+			errno, strerror(errno));
+	}
+	return RPC_ANYSOCK;
+
+err_bindresvport:
+	rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+	rpc_createerr.cf_error.re_errno = errno;
+	if (verbose) {
+		nfs_error(_("%s: Unable to bindresvport %s socket: errno %d"
+				" (%s)\n"),
+			progname, p_prot == IPPROTO_UDP ? _("UDP") : _("TCP"),
+			errno, strerror(errno));
+	}
+	close(so);
+	return RPC_ANYSOCK;
+
+err_connect:
+	rpc_createerr.cf_stat = RPC_SYSTEMERROR;
+	rpc_createerr.cf_error.re_errno = errno;
+	if (verbose) {
+		nfs_error(_("%s: Unable to connect to %s:%d, errno %d (%s)\n"),
+			progname, inet_ntoa(saddr->sin_addr),
+			ntohs(saddr->sin_port), errno, strerror(errno));
+	}
+	close(so);
+	return RPC_ANYSOCK;
+}
+
+static void nfs_pp_debug(const struct sockaddr *sap, const socklen_t salen,
+			 const rpcprog_t program, const rpcvers_t version,
+			 const unsigned short protocol,
+			 const unsigned short port)
+{
+	char buf[NI_MAXHOST];
+
+	if (!verbose)
+		return;
+
+	if (nfs_present_sockaddr(sap, salen, buf, sizeof(buf)) == 0) {
+		buf[0] = '\0';
+		strcat(buf, "unknown host");
+	}
+
+	fprintf(stderr, _("%s: trying %s prog %lu vers %lu prot %s port %d\n"),
+			progname, buf, (unsigned long)program,
+			(unsigned long)version,
+			(protocol == IPPROTO_UDP ? _("UDP") : _("TCP")),
+			port);
+}
+
+static void nfs_pp_debug2(const char *str)
+{
+	if (!verbose)
+		return;
+
+	if (rpc_createerr.cf_error.re_status == RPC_CANTRECV ||
+	    rpc_createerr.cf_error.re_status == RPC_CANTSEND)
+		nfs_error(_("%s: portmap query %s%s - %s"),
+				progname, str, clnt_spcreateerror(""),
+				strerror(rpc_createerr.cf_error.re_errno));
+	else
+		nfs_error(_("%s: portmap query %s%s"),
+				progname, str, clnt_spcreateerror(""));
+}
+
+/*
+ * Use the portmapper to discover whether or not the service we want is
+ * available. The lists 'versions' and 'protos' define ordered sequences
+ * of service versions and udp/tcp protocols to probe for.
+ *
+ * Returns 1 if the requested service port is unambiguous and pingable;
+ * @pmap is filled in with the version, port, and transport protocol used
+ * during the successful ping.  Note that if a port is already specified
+ * in @pmap and it matches the rpcbind query result, nfs_probe_port() does
+ * not perform an RPC ping.
+ * 
+ * If an error occurs or the requested service isn't available, zero is
+ * returned; rpccreateerr.cf_stat is set to reflect the nature of the error.
+ */
+static int nfs_probe_port(const struct sockaddr *sap, const socklen_t salen,
+			  struct pmap *pmap, const unsigned long *versions,
+			  const unsigned int *protos)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *saddr = &address.sa;
+	const unsigned long prog = pmap->pm_prog, *p_vers;
+	const unsigned int prot = (u_int)pmap->pm_prot, *p_prot;
+	const u_short port = (u_short) pmap->pm_port;
+	unsigned long vers = pmap->pm_vers;
+	unsigned short p_port;
+
+	memcpy(saddr, sap, salen);
+	p_prot = prot ? &prot : protos;
+	p_vers = vers ? &vers : versions;
+
+	for (;;) {
+		if (verbose)
+			printf(_("%s: prog %lu, trying vers=%lu, prot=%u\n"),
+				progname, prog, *p_vers, *p_prot);
+		p_port = nfs_getport(saddr, salen, prog, *p_vers, *p_prot);
+		if (p_port) {
+			if (!port || port == p_port) {
+				nfs_set_port(saddr, p_port);
+				nfs_pp_debug(saddr, salen, prog, *p_vers,
+						*p_prot, p_port);
+				if (nfs_rpc_ping(saddr, salen, prog,
+							*p_vers, *p_prot, NULL))
+					goto out_ok;
+			} else
+				rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
+		}
+		if (rpc_createerr.cf_stat != RPC_PROGNOTREGISTERED &&
+		    rpc_createerr.cf_stat != RPC_TIMEDOUT &&
+		    rpc_createerr.cf_stat != RPC_CANTRECV &&
+		    rpc_createerr.cf_stat != RPC_PROGVERSMISMATCH)
+			break;
+
+		if (!prot) {
+			if (*++p_prot) {
+				nfs_pp_debug2("retrying");
+				continue;
+			}
+			p_prot = protos;
+		}
+		if (rpc_createerr.cf_stat == RPC_TIMEDOUT ||
+		    rpc_createerr.cf_stat == RPC_CANTRECV)
+			break;
+
+		if (vers || !*++p_vers)
+			break;
+	}
+
+	nfs_pp_debug2("failed");
+	return 0;
+
+out_ok:
+	if (!vers)
+		pmap->pm_vers = *p_vers;
+	if (!prot)
+		pmap->pm_prot = *p_prot;
+	if (!port)
+		pmap->pm_port = p_port;
+	nfs_clear_rpc_createerr();
+	return 1;
+}
+/*
+ * Probe a server's NFS service to determine which versions and
+ * transport protocols are supported.
+ *
+ * Returns 1 if the requested service port is unambiguous and pingable;
+ * @pmap is filled in with the version, port, and transport protocol used
+ * during the successful ping.  If all three are already specified, simply
+ * return success without an rpcbind query or RPC ping (we may be trying
+ * to mount an NFS service that is not advertised via rpcbind).
+ *
+ * If an error occurs or the requested service isn't available, zero is
+ * returned; rpccreateerr.cf_stat is set to reflect the nature of the error.
+ */
+static int nfs_probe_nfsport(const struct sockaddr *sap, const socklen_t salen,
+			     struct pmap *pmap, int checkv4)
+{
+	if (pmap->pm_vers && pmap->pm_prot && pmap->pm_port)
+		return 1;
+
+	if (nfs_mount_data_version >= 4) {
+		const unsigned int *probe_proto;
+		int ret;
+		struct sockaddr_storage save_sa;
+
+		probe_proto = nfs_default_proto();
+		memcpy(&save_sa, sap, salen);
+
+		ret = nfs_probe_port(sap, salen, pmap,
+				     probe_nfs3_only, probe_proto);
+		if (!ret || !checkv4 || probe_proto != probe_tcp_first)
+			return ret;
+
+		nfs_set_port((struct sockaddr *)&save_sa, NFS_PORT);
+		ret =  nfs_rpc_ping((struct sockaddr *)&save_sa, salen, 
+			NFS_PROGRAM, 4, IPPROTO_TCP, NULL);
+		if (ret) {
+			rpc_createerr.cf_stat = RPC_FAILED;
+			rpc_createerr.cf_error.re_errno = EAGAIN;
+			return 0;
+		}
+		return 1;
+	} else
+		return nfs_probe_port(sap, salen, pmap,
+					probe_nfs2_only, probe_udp_only);
+}
+
+/*
+ * Probe a server's mountd service to determine which versions and
+ * transport protocols are supported.
+ *
+ * Returns 1 if the requested service port is unambiguous and pingable;
+ * @pmap is filled in with the version, port, and transport protocol used
+ * during the successful ping.  If all three are already specified, simply
+ * return success without an rpcbind query or RPC ping (we may be trying
+ * to mount an NFS service that is not advertised via rpcbind).
+ * 
+ * If an error occurs or the requested service isn't available, zero is
+ * returned; rpccreateerr.cf_stat is set to reflect the nature of the error.
+ */
+static int nfs_probe_mntport(const struct sockaddr *sap, const socklen_t salen,
+				struct pmap *pmap)
+{
+	if (pmap->pm_vers && pmap->pm_prot && pmap->pm_port)
+		return 1;
+
+	if (nfs_mount_data_version >= 4)
+		return nfs_probe_port(sap, salen, pmap,
+					probe_mnt3_only, probe_udp_first);
+	else
+		return nfs_probe_port(sap, salen, pmap,
+					probe_mnt1_first, probe_udp_only);
+}
+
+/*
+ * Probe a server's mountd service to determine which versions and
+ * transport protocols are supported.  Invoked when the protocol
+ * version is already known for both the NFS and mountd service.
+ *
+ * Returns 1 and fills in both @pmap structs if the requested service
+ * ports are unambiguous and pingable.  Otherwise zero is returned;
+ * rpccreateerr.cf_stat is set to reflect the nature of the error.
+ */
+static int nfs_probe_version_fixed(const struct sockaddr *mnt_saddr,
+			const socklen_t mnt_salen,
+			struct pmap *mnt_pmap,
+			const struct sockaddr *nfs_saddr,
+			const socklen_t nfs_salen,
+			struct pmap *nfs_pmap)
+{
+	if (!nfs_probe_nfsport(nfs_saddr, nfs_salen, nfs_pmap, 0))
+		return 0;
+	return nfs_probe_mntport(mnt_saddr, mnt_salen, mnt_pmap);
+}
+
+/**
+ * nfs_probe_bothports - discover the RPC endpoints of mountd and NFS server
+ * @mnt_saddr:	pointer to socket address of mountd server
+ * @mnt_salen:	length of mountd server's address
+ * @mnt_pmap:	IN: partially filled-in mountd RPC service tuple;
+ *		OUT: fully filled-in mountd RPC service tuple
+ * @nfs_saddr:	pointer to socket address of NFS server
+ * @nfs_salen:	length of NFS server's address
+ * @nfs_pmap:	IN: partially filled-in NFS RPC service tuple;
+ *		OUT: fully filled-in NFS RPC service tuple
+ * @checkv4:	Flag indicating that if v3 is available we must also
+ *		check v4, and if that is available, set re_errno to EAGAIN.
+ *
+ * Returns 1 and fills in both @pmap structs if the requested service
+ * ports are unambiguous and pingable.  Otherwise zero is returned;
+ * rpccreateerr.cf_stat is set to reflect the nature of the error.
+ */
+int nfs_probe_bothports(const struct sockaddr *mnt_saddr,
+			const socklen_t mnt_salen,
+			struct pmap *mnt_pmap,
+			const struct sockaddr *nfs_saddr,
+			const socklen_t nfs_salen,
+			struct pmap *nfs_pmap,
+			int checkv4)
+{
+	struct pmap save_nfs, save_mnt;
+	const unsigned long *probe_vers;
+
+	if (mnt_pmap->pm_vers && !nfs_pmap->pm_vers)
+		nfs_pmap->pm_vers = mntvers_to_nfs(mnt_pmap->pm_vers);
+	else if (nfs_pmap->pm_vers && !mnt_pmap->pm_vers)
+		mnt_pmap->pm_vers = nfsvers_to_mnt(nfs_pmap->pm_vers);
+
+	if (nfs_pmap->pm_vers)
+		return nfs_probe_version_fixed(mnt_saddr, mnt_salen, mnt_pmap,
+					       nfs_saddr, nfs_salen, nfs_pmap);
+
+	memcpy(&save_nfs, nfs_pmap, sizeof(save_nfs));
+	memcpy(&save_mnt, mnt_pmap, sizeof(save_mnt));
+	probe_vers = (nfs_mount_data_version >= 4) ?
+			probe_mnt3_only : probe_mnt1_first;
+
+	for (; *probe_vers; probe_vers++) {
+		nfs_pmap->pm_vers = mntvers_to_nfs(*probe_vers);
+		if (nfs_probe_nfsport(nfs_saddr, nfs_salen, nfs_pmap, checkv4) != 0) {
+			mnt_pmap->pm_vers = *probe_vers;
+			if (nfs_probe_mntport(mnt_saddr, mnt_salen, mnt_pmap) != 0)
+				return 1;
+			memcpy(mnt_pmap, &save_mnt, sizeof(*mnt_pmap));
+		}
+		switch (rpc_createerr.cf_stat) {
+		case RPC_PROGVERSMISMATCH:
+		case RPC_PROGNOTREGISTERED:
+			break;
+		default:
+			return 0;
+		}
+		memcpy(nfs_pmap, &save_nfs, sizeof(*nfs_pmap));
+	}
+
+	return 0;
+}
+
+/**
+ * probe_bothports - discover the RPC endpoints of mountd and NFS server
+ * @mnt_server: pointer to address and pmap argument for mountd results
+ * @nfs_server: pointer to address and pmap argument for NFS server
+ *
+ * This is the legacy API that takes "clnt_addr_t" for both servers,
+ * but supports only AF_INET addresses.
+ *
+ * Returns 1 and fills in the pmap field in both clnt_addr_t structs
+ * if the requested service ports are unambiguous and pingable.
+ * Otherwise zero is returned; rpccreateerr.cf_stat is set to reflect
+ * the nature of the error.
+ */
+int probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server)
+{
+	struct sockaddr *mnt_addr = SAFE_SOCKADDR(&mnt_server->saddr);
+	struct sockaddr *nfs_addr = SAFE_SOCKADDR(&nfs_server->saddr);
+
+	return nfs_probe_bothports(mnt_addr, sizeof(mnt_server->saddr),
+					&mnt_server->pmap,
+					nfs_addr, sizeof(nfs_server->saddr),
+					&nfs_server->pmap, 0);
+}
+
+/**
+ * start_statd - attempt to start rpc.statd
+ *
+ * Returns 1 if statd is running; otherwise zero.
+ */
+int start_statd(void)
+{
+#ifdef START_STATD
+	struct stat stb;
+#endif
+
+	if (nfs_probe_statd())
+		return 1;
+
+#ifdef START_STATD
+	if (stat(START_STATD, &stb) == 0) {
+		if (S_ISREG(stb.st_mode) && (stb.st_mode & S_IXUSR)) {
+			int cnt = STATD_TIMEOUT * 10;
+			int status = 0;
+			char * const envp[1] = { NULL };
+			const struct timespec ts = {
+				.tv_sec = 0,
+				.tv_nsec = 100000000,
+			};
+			pid_t pid = fork();
+			switch (pid) {
+			case 0: /* child */
+				setgroups(0, NULL);
+				if (setgid(0) < 0)
+					nfs_error(_("%s: setgid(0) failed: %s"),
+						progname, strerror(errno));
+				if (setuid(0) < 0)
+					nfs_error(_("%s: setuid(0) failed: %s"),
+						progname, strerror(errno));
+				execle(START_STATD, START_STATD, NULL, envp);
+				exit(1);
+			case -1: /* error */
+				nfs_error(_("%s: fork failed: %s"),
+						progname, strerror(errno));
+				break;
+			default: /* parent */
+				if (waitpid(pid, &status,0) == pid &&
+				    status == 0)
+					/* assume it worked */
+					return 1;
+				break;
+			}
+			while (1) {
+				if (nfs_probe_statd())
+					return 1;
+				if (! cnt--)
+					return 0;
+				nanosleep(&ts, NULL);
+			}
+		}
+	}
+#endif
+
+	return 0;
+}
+
+/**
+ * nfs_advise_umount - ask the server to remove a share from it's rmtab
+ * @sap: pointer to IP address of server to call
+ * @salen: length of server address
+ * @pmap: partially filled-in mountd RPC service tuple
+ * @argp: directory path of share to "unmount"
+ *
+ * Returns one if the unmount call succeeded; zero if the unmount
+ * failed for any reason;  rpccreateerr.cf_stat is set to reflect
+ * the nature of the error.
+ *
+ * We use a fast timeout since this call is advisory only.
+ */
+int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
+		      const struct pmap *pmap, const dirpath *argp)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *saddr = &address.sa;
+	struct pmap mnt_pmap = *pmap;
+	struct timeval timeout = {
+		.tv_sec		= MOUNT_TIMEOUT >> 3,
+	};
+	CLIENT *client;
+	enum clnt_stat res = 0;
+
+	memcpy(saddr, sap, salen);
+	if (nfs_probe_mntport(saddr, salen, &mnt_pmap) == 0) {
+		if (verbose)
+			nfs_error(_("%s: Failed to discover mountd port%s"),
+				progname, clnt_spcreateerror(""));
+		return 0;
+	}
+	nfs_set_port(saddr, mnt_pmap.pm_port);
+
+	client = nfs_get_priv_rpcclient(saddr, salen, mnt_pmap.pm_prot,
+					mnt_pmap.pm_prog, mnt_pmap.pm_vers,
+					&timeout);
+	if (client == NULL) {
+		if (verbose)
+			nfs_error(_("%s: Failed to create RPC client%s"),
+				progname, clnt_spcreateerror(""));
+		return 0;
+	}
+
+	client->cl_auth = nfs_authsys_create();
+	if (client->cl_auth == NULL) {
+		if (verbose)
+			nfs_error(_("%s: Failed to create RPC auth handle"),
+				progname);
+		CLNT_DESTROY(client);
+		return 0;
+	}
+
+	res = CLNT_CALL(client, MOUNTPROC_UMNT,
+			(xdrproc_t)xdr_dirpath, (caddr_t)argp,
+			(xdrproc_t)xdr_void, NULL,
+			timeout);
+	if (res != RPC_SUCCESS) {
+		rpc_createerr.cf_stat = res;
+		CLNT_GETERR(client, &rpc_createerr.cf_error);
+		if (verbose)
+			nfs_error(_("%s: UMNT call failed: %s"),
+				progname, clnt_sperrno(res));
+
+	}
+	auth_destroy(client->cl_auth);
+	CLNT_DESTROY(client);
+
+	if (res != RPC_SUCCESS)
+		return 0;
+	return 1;
+}
+
+/**
+ * nfs_call_umount - ask the server to remove a share from it's rmtab
+ * @mnt_server: address of RPC MNT program server
+ * @argp: directory path of share to "unmount"
+ *
+ * Returns one if the unmount call succeeded; zero if the unmount
+ * failed for any reason.
+ *
+ * Note that a side effect of calling this function is that rpccreateerr
+ * is set.
+ */
+int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
+{
+	struct sockaddr *sap = SAFE_SOCKADDR(&mnt_server->saddr);
+	socklen_t salen = sizeof(mnt_server->saddr);
+	struct pmap *pmap = &mnt_server->pmap;
+	CLIENT *clnt;
+	enum clnt_stat res = 0;
+	int msock;
+
+	if (!nfs_probe_mntport(sap, salen, pmap))
+		return 0;
+	clnt = mnt_openclnt(mnt_server, &msock);
+	if (!clnt)
+		return 0;
+	res = clnt_call(clnt, MOUNTPROC_UMNT,
+			(xdrproc_t)xdr_dirpath, (caddr_t)argp,
+			(xdrproc_t)xdr_void, NULL,
+			TIMEOUT);
+	mnt_closeclnt(clnt, msock);
+
+	if (res == RPC_SUCCESS)
+		return 1;
+	return 0;
+}
+
+/**
+ * mnt_openclnt - get a handle for a remote mountd service
+ * @mnt_server: address and pmap arguments of mountd service
+ * @msock: returns a file descriptor of the underlying transport socket
+ *
+ * Returns an active handle for the remote's mountd service
+ */
+CLIENT *mnt_openclnt(clnt_addr_t *mnt_server, int *msock)
+{
+	struct sockaddr_in *mnt_saddr = &mnt_server->saddr;
+	struct pmap *mnt_pmap = &mnt_server->pmap;
+	CLIENT *clnt = NULL;
+
+	mnt_saddr->sin_port = htons((u_short)mnt_pmap->pm_port);
+	*msock = get_socket(mnt_saddr, mnt_pmap->pm_prot, MOUNT_TIMEOUT,
+				TRUE, FALSE);
+	if (*msock == RPC_ANYSOCK) {
+		if (rpc_createerr.cf_error.re_errno == EADDRINUSE)
+			/*
+			 * Probably in-use by a TIME_WAIT connection,
+			 * It is worth waiting a while and trying again.
+			 */
+			rpc_createerr.cf_stat = RPC_TIMEDOUT;
+		return NULL;
+	}
+
+	switch (mnt_pmap->pm_prot) {
+	case IPPROTO_UDP:
+		clnt = clntudp_bufcreate(mnt_saddr,
+					 mnt_pmap->pm_prog, mnt_pmap->pm_vers,
+					 RETRY_TIMEOUT, msock,
+					 MNT_SENDBUFSIZE, MNT_RECVBUFSIZE);
+		break;
+	case IPPROTO_TCP:
+		clnt = clnttcp_create(mnt_saddr,
+				      mnt_pmap->pm_prog, mnt_pmap->pm_vers,
+				      msock,
+				      MNT_SENDBUFSIZE, MNT_RECVBUFSIZE);
+		break;
+	}
+	if (clnt) {
+		/* try to mount hostname:dirname */
+		clnt->cl_auth = nfs_authsys_create();
+		if (clnt->cl_auth)
+			return clnt;
+		CLNT_DESTROY(clnt);
+	}
+	return NULL;
+}
+
+/**
+ * mnt_closeclnt - terminate a handle for a remote mountd service
+ * @clnt: pointer to an active handle for a remote mountd service
+ * @msock: file descriptor of the underlying transport socket
+ *
+ */
+void mnt_closeclnt(CLIENT *clnt, int msock)
+{
+	auth_destroy(clnt->cl_auth);
+	clnt_destroy(clnt);
+	close(msock);
+}
+
+/**
+ * clnt_ping - send an RPC ping to the remote RPC service endpoint
+ * @saddr: server's address
+ * @prog: target RPC program number
+ * @vers: target RPC version number
+ * @prot: target RPC protocol
+ * @caddr: filled in with our network address
+ *
+ * Sigh... GETPORT queries don't actually check the version number.
+ * In order to make sure that the server actually supports the service
+ * we're requesting, we open an RPC client, and fire off a NULL
+ * RPC call.
+ *
+ * caddr is the network address that the server will use to call us back.
+ * On multi-homed clients, this address depends on which NIC we use to
+ * route requests to the server.
+ *
+ * Returns one if successful, otherwise zero.
+ */
+int clnt_ping(struct sockaddr_in *saddr, const unsigned long prog,
+		const unsigned long vers, const unsigned int prot,
+		struct sockaddr_in *caddr)
+{
+	CLIENT *clnt = NULL;
+	int sock, status;
+	static char clnt_res;
+	struct sockaddr dissolve;
+
+	rpc_createerr.cf_stat = status = 0;
+	sock = get_socket(saddr, prot, CONNECT_TIMEOUT, FALSE, TRUE);
+	if (sock == RPC_ANYSOCK) {
+		if (rpc_createerr.cf_error.re_errno == ETIMEDOUT) {
+			/*
+			 * TCP timeout. Bubble up the error to see 
+			 * how it should be handled.
+			 */
+			rpc_createerr.cf_stat = RPC_TIMEDOUT;
+		}
+		return 0;
+	}
+
+	if (caddr) {
+		/* Get the address of our end of this connection */
+		socklen_t len = sizeof(*caddr);
+		if (getsockname(sock, (struct sockaddr *) caddr, &len) != 0)
+			caddr->sin_family = 0;
+	}
+
+	switch(prot) {
+	case IPPROTO_UDP:
+		/* The socket is connected (so we could getsockname successfully),
+		 * but some servers on multi-homed hosts reply from
+		 * the wrong address, so if we stay connected, we lose the reply.
+		 */
+		dissolve.sa_family = AF_UNSPEC;
+		connect(sock, &dissolve, sizeof(dissolve));
+
+		clnt = clntudp_bufcreate(saddr, prog, vers,
+					 RETRY_TIMEOUT, &sock,
+					 RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
+		break;
+	case IPPROTO_TCP:
+		clnt = clnttcp_create(saddr, prog, vers, &sock,
+				      RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
+		break;
+	}
+	if (!clnt) {
+		close(sock);
+		return 0;
+	}
+	memset(&clnt_res, 0, sizeof(clnt_res));
+	status = clnt_call(clnt, NULLPROC,
+			 (xdrproc_t)xdr_void, (caddr_t)NULL,
+			 (xdrproc_t)xdr_void, (caddr_t)&clnt_res,
+			 TIMEOUT);
+	if (status) {
+		clnt_geterr(clnt, &rpc_createerr.cf_error);
+		rpc_createerr.cf_stat = status;
+	}
+	clnt_destroy(clnt);
+	close(sock);
+
+	if (status == RPC_SUCCESS)
+		return 1;
+	else
+		return 0;
+}
+
+/*
+ * Try a getsockname() on a connected datagram socket.
+ *
+ * Returns 1 and fills in @buf if successful; otherwise, zero.
+ *
+ * A connected datagram socket prevents leaving a socket in TIME_WAIT.
+ * This conserves the ephemeral port number space, helping reduce failed
+ * socket binds during mount storms.
+ */
+static int nfs_ca_sockname(const struct sockaddr *sap, const socklen_t salen,
+			   struct sockaddr *buf, socklen_t *buflen)
+{
+	struct sockaddr_in sin = {
+		.sin_family		= AF_INET,
+		.sin_addr.s_addr	= htonl(INADDR_ANY),
+	};
+	struct sockaddr_in6 sin6 = {
+		.sin6_family		= AF_INET6,
+		.sin6_addr		= IN6ADDR_ANY_INIT,
+	};
+	int sock, result = 0;
+	int val;
+
+	sock = socket(sap->sa_family, SOCK_DGRAM, IPPROTO_UDP);
+	if (sock < 0)
+		return 0;
+
+	switch (sap->sa_family) {
+	case AF_INET:
+		if (bind(sock, SAFE_SOCKADDR(&sin), sizeof(sin)) < 0)
+			goto out;
+		break;
+	case AF_INET6:
+		/* Make sure the call-back address is public/permanent */
+		val = IPV6_PREFER_SRC_PUBLIC;
+		setsockopt(sock, SOL_IPV6, IPV6_ADDR_PREFERENCES, &val, sizeof(val));
+		if (bind(sock, SAFE_SOCKADDR(&sin6), sizeof(sin6)) < 0)
+			goto out;
+		break;
+	default:
+		errno = EAFNOSUPPORT;
+		goto out;
+	}
+
+	if (connect(sock, sap, salen) < 0)
+		goto out;
+
+	result = !getsockname(sock, buf, buflen);
+
+out:
+	close(sock);
+	return result;
+}
+
+/*
+ * Try to generate an address that prevents the server from calling us.
+ *
+ * Returns 1 and fills in @buf if successful; otherwise, zero.
+ */
+static int nfs_ca_gai(const struct sockaddr *sap,
+		      struct sockaddr *buf, socklen_t *buflen)
+{
+	struct addrinfo *gai_results;
+	struct addrinfo gai_hint = {
+		.ai_family	= sap->sa_family,
+		.ai_flags	= AI_PASSIVE,	/* ANYADDR */
+	};
+
+	if (getaddrinfo(NULL, "", &gai_hint, &gai_results))
+		return 0;
+
+	*buflen = gai_results->ai_addrlen;
+	memcpy(buf, gai_results->ai_addr, *buflen);
+
+	nfs_freeaddrinfo(gai_results);
+
+	return 1;
+}
+
+/**
+ * nfs_callback_address - acquire our local network address
+ * @sap: pointer to address of remote
+ * @sap_len: length of address
+ * @buf: pointer to buffer to be filled in with local network address
+ * @buflen: IN: length of buffer to fill in; OUT: length of filled-in address
+ *
+ * Discover a network address that an NFSv4 server can use to call us back.
+ * On multi-homed clients, this address depends on which NIC we use to
+ * route requests to the server.
+ *
+ * Returns 1 and fills in @buf if an unambiguous local address is
+ * available; returns 1 and fills in an appropriate ANYADDR address
+ * if a local address isn't available; otherwise, returns zero.
+ */
+int nfs_callback_address(const struct sockaddr *sap, const socklen_t salen,
+			 struct sockaddr *buf, socklen_t *buflen)
+{
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)buf;
+
+	if (nfs_ca_sockname(sap, salen, buf, buflen) == 0)
+		if (nfs_ca_gai(sap, buf, buflen) == 0)
+			goto out_failed;
+
+	/*
+	 * The server can't use an interface ID that was generated
+	 * here on the client, so always clear sin6_scope_id.
+	 */
+	if (sin6->sin6_family == AF_INET6)
+		sin6->sin6_scope_id = 0;
+
+	return 1;
+
+out_failed:
+	*buflen = 0;
+	if (verbose)
+		nfs_error(_("%s: failed to construct callback address"),
+				progname);
+	return 0;
+}
+
+/*
+ * "nfsprog" is supported only by the legacy mount command.  The
+ * kernel mount client does not support this option.
+ *
+ * Returns TRUE if @program contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
+ */
+static int
+nfs_nfs_program(struct mount_options *options, unsigned long *program)
+{
+	long tmp;
+
+	switch (po_get_numeric(options, "nfsprog", &tmp)) {
+	case PO_NOT_FOUND:
+		break;
+	case PO_FOUND:
+		if (tmp > 0) {
+			*program = tmp;
+			return 1;
+		}
+		/* FALLTHRU */
+	case PO_BAD_VALUE:
+		nfs_error(_("%s: invalid value for 'nfsprog=' option"),
+				progname);
+		return 0;
+	}
+
+	/*
+	 * NFS RPC program wasn't specified.  The RPC program
+	 * cannot be determined via an rpcbind query.
+	 */
+	*program = nfs_getrpcbyname(NFSPROG, nfs_nfs_pgmtbl);
+	return 1;
+}
+
+/*
+ * Returns TRUE if @version contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
+ */
+int
+nfs_nfs_version(char *type, struct mount_options *options, struct nfs_version *version)
+{
+	char *version_key, *version_val = NULL, *cptr;
+	int i, found = -1;
+
+	version->v_mode = V_DEFAULT;
+
+	for (i = 0; nfs_version_opttbl[i]; i++) {
+		if (po_contains_prefix(options, nfs_version_opttbl[i],
+				       &version_key, 0) == PO_FOUND) {
+			if (found >= 0)
+				goto ret_error_multiple;
+			if (po_contains_prefix(options, nfs_version_opttbl[i],
+					       NULL, 1) == PO_FOUND)
+				goto ret_error_multiple;
+			found = i;
+		}
+	}
+
+	if (found < 0 && strcmp(type, "nfs4") == 0)
+		version_val = type + 3;
+	else if (found < 0)
+		return 1;
+	else if (found <= 2 ) {
+		/* v3, v4 */
+		version_val = version_key + 1;
+		version->v_mode = V_SPECIFIC;
+	} else if (found > 2 ) {
+		/* vers=, nfsvers= */
+		version_val = po_get(options, version_key);
+	}
+
+	if (!version_val)
+		goto ret_error;
+
+	version->major = strtol(version_val, &cptr, 10);
+	if (cptr == version_val || (*cptr && *cptr != '.'))
+		goto ret_error;
+	if (version->major == 4 && *cptr != '.' &&
+	    (version_val = po_get(options, "minorversion")) != NULL) {
+		version->minor = strtol(version_val, &cptr, 10);
+		found = -1;
+		if (*cptr)
+			goto ret_error;
+		version->v_mode = V_SPECIFIC;
+	} else if (version->major < 4)
+		version->v_mode = V_SPECIFIC;
+	else if (*cptr == '.') {
+		version_val = ++cptr;
+		if (!(version->minor = strtol(version_val, &cptr, 10)) && cptr == version_val)
+			goto ret_error;
+		version->v_mode = V_SPECIFIC;
+	} else if (version->major > 3 && *cptr == '\0') {
+		version_val = po_get(options, "minorversion");
+		if (version_val != NULL) {
+			version->minor = strtol(version_val, &cptr, 10);
+			version->v_mode = V_SPECIFIC;
+		} else
+			version->v_mode = V_GENERAL;
+	}
+	if (*cptr != '\0')
+		goto ret_error;
+
+	return 1;
+
+ret_error_multiple:
+	nfs_error(_("%s: multiple version options not permitted"),
+		  progname);
+	found = 10; /* avoid other errors */
+ret_error:
+	if (found < 0) {
+		nfs_error(_("%s: parsing error on 'minorversion=' option"),
+			progname);
+	} else if (found <= 2 ) {
+		nfs_error(_("%s: parsing error on 'v' option"),
+			progname);
+	} else if (found == 3 ) {
+		nfs_error(_("%s: parsing error on 'vers=' option"),
+			progname);
+	} else if (found == 4) {
+		nfs_error(_("%s: parsing error on 'nfsvers=' option"),
+			progname);
+	}
+	version->v_mode = V_PARSE_ERR;
+	errno = EINVAL;
+	return 0;
+}
+
+/*
+ * Returns TRUE if @protocol contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value. On
+ * error, errno is set.
+ */
+int
+nfs_nfs_protocol(struct mount_options *options, unsigned long *protocol)
+{
+	sa_family_t family;
+	char *option;
+
+	switch (po_rightmost(options, nfs_transport_opttbl)) {
+	case 0:	/* udp */
+		*protocol = IPPROTO_UDP;
+		return 1;
+	case 1: /* tcp */
+		*protocol = IPPROTO_TCP;
+		return 1;
+	case 2: /* rdma */
+		*protocol = NFSPROTO_RDMA;
+		return 1;
+	case 3: /* proto */
+		option = po_get(options, "proto");
+		if (option != NULL) {
+			if (!nfs_get_proto(option, &family, protocol)) {
+				errno = EPROTONOSUPPORT;
+				nfs_error(_("%s: Failed to find '%s' protocol"), 
+					progname, option);
+				return 0;
+			}
+			return 1;
+		}
+	}
+
+	/*
+	 * NFS transport protocol wasn't specified.  The pmap
+	 * protocol value will be filled in later by an rpcbind
+	 * query in this case.
+	 */
+	*protocol = 0;
+	return 1;
+}
+
+/*
+ * Returns TRUE if @port contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
+ */
+static int
+nfs_nfs_port(struct mount_options *options, unsigned long *port)
+{
+	long tmp;
+
+	switch (po_get_numeric(options, "port", &tmp)) {
+	case PO_NOT_FOUND:
+		break;
+	case PO_FOUND:
+		if (tmp >= 0 && tmp <= 65535) {
+			*port = tmp;
+			return 1;
+		}
+		/* FALLTHRU */
+	case PO_BAD_VALUE:
+		nfs_error(_("%s: invalid value for 'port=' option"),
+				progname);
+		return 0;
+	}
+
+	/*
+	 * NFS service port wasn't specified.  The pmap port value
+	 * will be filled in later by an rpcbind query in this case.
+	 */
+	*port = 0;
+	return 1;
+}
+
+#ifdef IPV6_SUPPORTED
+sa_family_t	config_default_family = AF_UNSPEC;
+
+static int
+nfs_verify_family(sa_family_t UNUSED(family))
+{
+	return 1;
+}
+#else /* IPV6_SUPPORTED */
+sa_family_t	config_default_family = AF_INET;
+
+static int
+nfs_verify_family(sa_family_t family)
+{
+	if (family != AF_INET)
+		return 0;
+
+	return 1;
+}
+#endif /* IPV6_SUPPORTED */
+
+/*
+ * Returns TRUE and fills in @family if a valid NFS protocol option
+ * is found, or FALSE if the option was specified with an invalid value
+ * or if the protocol family isn't supported. On error, errno is set.
+ */
+int nfs_nfs_proto_family(struct mount_options *options,
+				sa_family_t *family)
+{
+	unsigned long protocol;
+	char *option;
+	sa_family_t tmp_family = config_default_family;
+
+	switch (po_rightmost(options, nfs_transport_opttbl)) {
+	case 0:	/* udp */
+	case 1: /* tcp */
+	case 2: /* rdma */
+		/* for compatibility; these are always AF_INET */
+		*family = AF_INET;
+		return 1;
+	case 3: /* proto */
+		option = po_get(options, "proto");
+		if (option != NULL &&
+		    !nfs_get_proto(option, &tmp_family, &protocol)) {
+
+			nfs_error(_("%s: Failed to find '%s' protocol"), 
+				progname, option);
+			errno = EPROTONOSUPPORT;
+			return 0;
+		}
+	}
+
+	if (!nfs_verify_family(tmp_family))
+		goto out_err;
+	*family = tmp_family;
+	return 1;
+out_err:
+	errno = EAFNOSUPPORT;
+	return 0;
+}
+
+/*
+ * "mountprog" is supported only by the legacy mount command.  The
+ * kernel mount client does not support this option.
+ *
+ * Returns TRUE if @program contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
+ */
+static int
+nfs_mount_program(struct mount_options *options, unsigned long *program)
+{
+	long tmp;
+
+	switch (po_get_numeric(options, "mountprog", &tmp)) {
+	case PO_NOT_FOUND:
+		break;
+	case PO_FOUND:
+		if (tmp > 0) {
+			*program = tmp;
+			return 1;
+		}
+		/* FALLTHRU */
+	case PO_BAD_VALUE:
+		nfs_error(_("%s: invalid value for 'mountprog=' option"),
+				progname);
+		return 0;
+	}
+
+	/*
+	 * MNT RPC program wasn't specified.  The RPC program
+	 * cannot be determined via an rpcbind query.
+	 */
+	*program = nfs_getrpcbyname(MOUNTPROG, nfs_mnt_pgmtbl);
+	return 1;
+}
+
+/*
+ * Returns TRUE if @version contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
+ */
+static int
+nfs_mount_version(struct mount_options *options, unsigned long *version)
+{
+	long tmp;
+
+	switch (po_get_numeric(options, "mountvers", &tmp)) {
+	case PO_NOT_FOUND:
+		break;
+	case PO_FOUND:
+		if (tmp >= 1 && tmp <= 4) {
+			*version = tmp;
+			return 1;
+		}
+		/* FALLTHRU */
+	case PO_BAD_VALUE:
+		nfs_error(_("%s: invalid value for 'mountvers=' option"),
+				progname);
+		return 0;
+	}
+
+	/*
+	 * MNT version wasn't specified.  The pmap version value
+	 * will be filled in later by an rpcbind query in this case.
+	 */
+	*version = 0;
+	return 1;
+}
+
+/*
+ * Returns TRUE if @protocol contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value. On
+ * error, errno is set.
+ */
+static int
+nfs_mount_protocol(struct mount_options *options, unsigned long *protocol)
+{
+	sa_family_t family;
+	char *option;
+
+	option = po_get(options, "mountproto");
+	if (option != NULL) {
+		if (!nfs_get_proto(option, &family, protocol)) {
+			errno = EPROTONOSUPPORT;
+			nfs_error(_("%s: Failed to find '%s' protocol"), 
+				progname, option);
+			return 0;
+		}
+		return 1;
+	}
+
+	/*
+	 * MNT transport protocol wasn't specified.  If the NFS
+	 * transport protocol was specified, use that; otherwise
+	 * set @protocol to zero.  The pmap protocol value will
+	 * be filled in later by an rpcbind query in this case.
+	 */
+	if (!nfs_nfs_protocol(options, protocol))
+		return 0;
+	if (*protocol == NFSPROTO_RDMA)
+		*protocol = IPPROTO_TCP;
+	return 1;
+}
+
+/*
+ * Returns TRUE if @port contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
+ */
+static int
+nfs_mount_port(struct mount_options *options, unsigned long *port)
+{
+	long tmp;
+
+	switch (po_get_numeric(options, "mountport", &tmp)) {
+	case PO_NOT_FOUND:
+		break;
+	case PO_FOUND:
+		if (tmp >= 0 && tmp <= 65535) {
+			*port = tmp;
+			return 1;
+		}
+		/* FALLTHRU */
+	case PO_BAD_VALUE:
+		nfs_error(_("%s: invalid value for 'mountport=' option"),
+				progname);
+		return 0;
+	}
+
+	/*
+	 * MNT service port wasn't specified.  The pmap port value
+	 * will be filled in later by an rpcbind query in this case.
+	 */
+	*port = 0;
+	return 1;
+}
+
+/*
+ * Returns TRUE and fills in @family if a valid MNT protocol option
+ * is found, or FALSE if the option was specified with an invalid value
+ * or if the protocol family isn't supported. On error, errno is set.
+ */
+int nfs_mount_proto_family(struct mount_options *options,
+				sa_family_t *family)
+{
+	unsigned long protocol;
+	char *option;
+	sa_family_t tmp_family = config_default_family;
+
+	option = po_get(options, "mountproto");
+	if (option != NULL) {
+		if (!nfs_get_proto(option, &tmp_family, &protocol)) {
+			nfs_error(_("%s: Failed to find '%s' protocol"), 
+				progname, option);
+			errno = EPROTONOSUPPORT;
+			goto out_err;
+		}
+		if (!nfs_verify_family(tmp_family))
+			goto out_err;
+		*family = tmp_family;
+		return 1;
+	}
+
+	/*
+	 * MNT transport protocol wasn't specified.  If the NFS
+	 * transport protocol was specified, derive the family
+	 * from that; otherwise, return the default family for
+	 * NFS.
+	 */
+	return nfs_nfs_proto_family(options, family);
+out_err:
+	errno = EAFNOSUPPORT;
+	return 0;
+}
+
+/**
+ * nfs_options2pmap - set up pmap structs based on mount options
+ * @options: pointer to mount options
+ * @nfs_pmap: OUT: pointer to pmap arguments for NFS server
+ * @mnt_pmap: OUT: pointer to pmap arguments for mountd server
+ *
+ * Returns TRUE if the pmap options specified in @options have valid
+ * values; otherwise FALSE is returned.
+ */
+int nfs_options2pmap(struct mount_options *options,
+		     struct pmap *nfs_pmap, struct pmap *mnt_pmap)
+{
+	struct nfs_version version;
+	memset(&version, 0, sizeof(version));
+
+	if (!nfs_nfs_program(options, &nfs_pmap->pm_prog))
+		return 0;
+	if (!nfs_nfs_version("nfs", options, &version))
+		return 0;
+	if (version.v_mode == V_DEFAULT)
+		nfs_pmap->pm_vers = 0;
+	else
+		nfs_pmap->pm_vers = version.major;
+	if (!nfs_nfs_protocol(options, &nfs_pmap->pm_prot))
+		return 0;
+	if (!nfs_nfs_port(options, &nfs_pmap->pm_port))
+		return 0;
+
+	if (!nfs_mount_program(options, &mnt_pmap->pm_prog))
+		return 0;
+	if (!nfs_mount_version(options, &mnt_pmap->pm_vers))
+		return 0;
+	if (!nfs_mount_protocol(options, &mnt_pmap->pm_prot))
+		return 0;
+	if (!nfs_mount_port(options, &mnt_pmap->pm_port))
+		return 0;
+
+	return 1;
+}
+
+/*
+ * Discover mount server's hostname/address by examining mount options
+ *
+ * Returns a pointer to a string that the caller must free, on
+ * success; otherwise NULL is returned.
+ */
+static char *nfs_umount_hostname(struct mount_options *options,
+				 char *hostname)
+{
+	char *option;
+
+	option = po_get(options, "mountaddr");
+	if (option)
+		goto out;
+	option = po_get(options, "mounthost");
+	if (option)
+		goto out;
+	option = po_get(options, "addr");
+	if (option)
+		goto out;
+
+	return hostname;
+
+out:
+	free(hostname);
+	return strdup(option);
+}
+
+
+/*
+ * Returns EX_SUCCESS if mount options and device name have been
+ * parsed successfully; otherwise EX_FAIL.
+ */
+int nfs_umount_do_umnt(struct mount_options *options,
+		       char **hostname, char **dirname)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *sap = &address.sa;
+	socklen_t salen = sizeof(address);
+	struct pmap nfs_pmap, mnt_pmap;
+	sa_family_t family;
+
+	if (!nfs_options2pmap(options, &nfs_pmap, &mnt_pmap))
+		return EX_FAIL;
+
+	/* Skip UMNT call for vers=4 mounts */
+	if (nfs_pmap.pm_vers == 4)
+		return EX_SUCCESS;
+
+	*hostname = nfs_umount_hostname(options, *hostname);
+	if (!*hostname) {
+		nfs_error(_("%s: out of memory"), progname);
+		return EX_FAIL;
+	}
+
+	if (!nfs_mount_proto_family(options, &family))
+		return 0;
+	if (!nfs_lookup(*hostname, family, sap, &salen))
+		/* nfs_lookup reports any errors */
+		return EX_FAIL;
+
+	if (nfs_advise_umount(sap, salen, &mnt_pmap, dirname) == 0)
+		/* nfs_advise_umount reports any errors */
+		return EX_FAIL;
+
+	return EX_SUCCESS;
+}
+
+int nfs_is_inaddr_any(struct sockaddr *nfs_saddr)
+{
+	switch (nfs_saddr->sa_family) {
+	case AF_INET: {
+		if (((struct sockaddr_in *)nfs_saddr)->sin_addr.s_addr ==
+				INADDR_ANY)
+			return 1;
+		break;
+	}
+	case AF_INET6:
+		if (!memcmp(&((struct sockaddr_in6 *)nfs_saddr)->sin6_addr,
+				&in6addr_any, sizeof(in6addr_any)))
+			return 1;
+		break;
+	}
+	return 0;
+}
+
+int nfs_addr_matches_localips(struct sockaddr *nfs_saddr)
+{
+	struct ifaddrs *myaddrs, *ifa;
+	int found = 0;
+
+	/* acquire exiting network interfaces */
+	if (getifaddrs(&myaddrs) != 0)
+		return 0;
+
+	/* interate over the available interfaces and check if we
+	 * we find a match to the supplied clientaddr value
+	 */
+	for (ifa = myaddrs; ifa != NULL; ifa = ifa->ifa_next) {
+		if (ifa->ifa_addr == NULL)
+			continue;
+		if (!(ifa->ifa_flags & IFF_UP))
+			continue;
+		if (!memcmp(ifa->ifa_addr, nfs_saddr,
+				sizeof(struct sockaddr))) {
+			found = 1;
+			break;
+		}
+	}
+	freeifaddrs(myaddrs);
+	return found;
+}
diff --git a/utils/mount/network.h b/utils/mount/network.h
new file mode 100644
index 0000000..0fc98ac
--- /dev/null
+++ b/utils/mount/network.h
@@ -0,0 +1,96 @@
+/*
+ * network.h -- Provide common network functions for NFS mount/umount
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_NETWORK_H
+#define _NFS_UTILS_MOUNT_NETWORK_H
+
+#include <rpc/pmap_prot.h>
+
+#define MNT_SENDBUFSIZE (2048U)
+#define MNT_RECVBUFSIZE (1024U)
+
+typedef struct {
+	char **hostname;
+	struct sockaddr_in saddr;
+	struct pmap pmap;
+} clnt_addr_t;
+
+/* RPC call timeout values */
+static const struct timeval TIMEOUT = { 20, 0 };
+static const struct timeval RETRY_TIMEOUT = { 3, 0 };
+
+int probe_bothports(clnt_addr_t *, clnt_addr_t *);
+int nfs_probe_bothports(const struct sockaddr *, const socklen_t,
+			struct pmap *, const struct sockaddr *,
+			const socklen_t, struct pmap *, int);
+int nfs_gethostbyname(const char *, struct sockaddr_in *);
+int nfs_lookup(const char *hostname, const sa_family_t family,
+		struct sockaddr *sap, socklen_t *salen);
+int nfs_string_to_sockaddr(const char *, struct sockaddr *, socklen_t *);
+int nfs_present_sockaddr(const struct sockaddr *,
+			 const socklen_t, char *, const size_t);
+int nfs_callback_address(const struct sockaddr *, const socklen_t,
+		struct sockaddr *, socklen_t *);
+int clnt_ping(struct sockaddr_in *, const unsigned long,
+		const unsigned long, const unsigned int,
+		struct sockaddr_in *);
+int nfs_is_inaddr_any(struct sockaddr *);
+int nfs_addr_matches_localips(struct sockaddr *);
+
+struct mount_options;
+
+enum {
+	V_DEFAULT = 0,
+	V_GENERAL,
+	V_SPECIFIC,
+	V_PARSE_ERR,
+};
+
+struct nfs_version {
+	unsigned long major;
+	unsigned long minor;
+	int v_mode;
+};
+
+int nfs_nfs_proto_family(struct mount_options *options, sa_family_t *family);
+int nfs_mount_proto_family(struct mount_options *options, sa_family_t *family);
+int nfs_nfs_version(char *type, struct mount_options *options, struct nfs_version *version);
+int  nfs_nfs_protocol(struct mount_options *options, unsigned long *protocol);
+
+int nfs_options2pmap(struct mount_options *,
+		      struct pmap *, struct pmap *);
+
+int start_statd(void);
+
+unsigned long nfsvers_to_mnt(const unsigned long);
+
+int nfs_call_umount(clnt_addr_t *, dirpath *);
+int nfs_advise_umount(const struct sockaddr *, const socklen_t,
+		      const struct pmap *, const dirpath *);
+CLIENT *mnt_openclnt(clnt_addr_t *, int *);
+void mnt_closeclnt(CLIENT *, int);
+
+int nfs_umount_do_umnt(struct mount_options *options,
+		       char **hostname, char **dirname);
+
+#endif	/* _NFS_UTILS_MOUNT_NETWORK_H */
diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man
new file mode 100644
index 0000000..c0ba4d0
--- /dev/null
+++ b/utils/mount/nfs.man
@@ -0,0 +1,1968 @@
+.\"@(#)nfs.5"
+.TH NFS 5 "9 October 2012"
+.SH NAME
+nfs \- fstab format and options for the
+.B nfs
+file systems
+.SH SYNOPSIS
+.I /etc/fstab
+.SH DESCRIPTION
+NFS is an Internet Standard protocol
+created by Sun Microsystems in 1984. NFS was developed
+to allow file sharing between systems residing
+on a local area network.
+Depending on kernel configuration, the Linux NFS client may
+support NFS versions 3, 4.0, 4.1, or 4.2.
+.P
+The
+.BR mount (8)
+command attaches a file system to the system's
+name space hierarchy at a given mount point.
+The
+.I /etc/fstab
+file describes how
+.BR mount (8)
+should assemble a system's file name hierarchy
+from various independent file systems
+(including file systems exported by NFS servers).
+Each line in the
+.I /etc/fstab
+file describes a single file system, its mount point,
+and a set of default mount options for that mount point.
+.P
+For NFS file system mounts, a line in the
+.I /etc/fstab
+file specifies the server name,
+the path name of the exported server directory to mount,
+the local directory that is the mount point,
+the type of file system that is being mounted,
+and a list of mount options that control
+the way the filesystem is mounted and
+how the NFS client behaves when accessing
+files on this mount point.
+The fifth and sixth fields on each line are not used
+by NFS, thus conventionally each contain the digit zero. For example:
+.P
+.nf
+.ta 8n +14n +14n +9n +20n
+	server:path	/mountpoint	fstype	option,option,...	0 0
+.fi
+.P
+The server's hostname and export pathname
+are separated by a colon, while
+the mount options are separated by commas. The remaining fields
+are separated by blanks or tabs.
+.P
+The server's hostname can be an unqualified hostname,
+a fully qualified domain name,
+a dotted quad IPv4 address, or
+an IPv6 address enclosed in square brackets.
+Link-local and site-local IPv6 addresses must be accompanied by an
+interface identifier.
+See
+.BR ipv6 (7)
+for details on specifying raw IPv6 addresses.
+.P
+The
+.I fstype
+field contains "nfs".  Use of the "nfs4" fstype in
+.I /etc/fstab
+is deprecated.
+.SH "MOUNT OPTIONS"
+Refer to
+.BR mount (8)
+for a description of generic mount options
+available for all file systems. If you do not need to
+specify any mount options, use the generic option
+.B defaults
+in
+.IR /etc/fstab .
+.DT
+.SS "Options supported by all versions"
+These options are valid to use with any NFS version.
+.TP 1.5i
+.BI nfsvers= n
+The NFS protocol version number used to contact the server's NFS service.
+If the server does not support the requested version, the mount request 
+fails.
+If this option is not specified, the client tries version 4.2 first,
+then negotiates down until it finds a version supported by the server.
+.TP 1.5i
+.BI vers= n
+This option is an alternative to the
+.B nfsvers
+option.
+It is included for compatibility with other operating systems
+.TP 1.5i
+.BR soft " / " softerr " / " hard
+Determines the recovery behavior of the NFS client
+after an NFS request times out.
+If no option is specified (or if the
+.B hard
+option is specified), NFS requests are retried indefinitely.
+If either the
+.BR soft " or " softerr
+option is specified, then the NFS client fails an NFS request
+after
+.B retrans
+retransmissions have been sent,
+causing the NFS client to return either the error
+.B EIO
+(for the
+.B soft
+option) or
+.B ETIMEDOUT
+(for the
+.B softerr
+option) to the calling application.
+.IP
+.I NB:
+A so-called "soft" timeout can cause
+silent data corruption in certain cases. As such, use the
+.BR soft " or " softerr
+option only when client responsiveness
+is more important than data integrity.
+Using NFS over TCP or increasing the value of the
+.B retrans
+option may mitigate some of the risks of using the
+.BR soft " or " softerr
+option.
+.TP 1.5i
+.BR softreval " / " nosoftreval
+In cases where the NFS server is down, it may be useful to
+allow the NFS client to continue to serve up paths and
+attributes from cache after
+.B retrans
+attempts to revalidate that cache have timed out.
+This may, for instance, be helpful when trying to unmount a
+filesystem tree from a server that is permanently down.
+.IP
+It is possible to combine
+.BR softreval
+with the
+.B soft
+mount option, in which case operations that cannot be served up
+from cache will time out and return an error after
+.B retrans
+attempts. The combination with the default
+.B hard
+mount option implies those uncached operations will continue to
+retry until a response is received from the server.
+.IP
+Note: the default mount option is
+.BR nosoftreval
+which disallows fallback to cache when revalidation fails, and
+instead follows the behavior dictated by the
+.B hard
+or
+.B soft
+mount option.
+.TP 1.5i
+.BR intr " / " nointr
+This option is provided for backward compatibility.
+It is ignored after kernel 2.6.25.
+.TP 1.5i
+.BI timeo= n
+The time in deciseconds (tenths of a second) the NFS client waits for a
+response before it retries an NFS request.
+.IP
+For NFS over TCP the default
+.B timeo
+value is 600 (60 seconds).
+The NFS client performs linear backoff: After each retransmission the 
+timeout is increased by
+.BR timeo 
+up to the maximum of 600 seconds.
+.IP
+However, for NFS over UDP, the client uses an adaptive
+algorithm to estimate an appropriate timeout value for frequently used
+request types (such as READ and WRITE requests), but uses the
+.B timeo
+setting for infrequently used request types (such as FSINFO requests).
+If the
+.B timeo
+option is not specified,
+infrequently used request types are retried after 1.1 seconds.
+After each retransmission, the NFS client doubles the timeout for
+that request,
+up to a maximum timeout length of 60 seconds.
+.TP 1.5i
+.BI retrans= n
+The number of times the NFS client retries a request before
+it attempts further recovery action. If the
+.B retrans
+option is not specified, the NFS client tries each UDP request
+three times and each TCP request twice.
+.IP
+The NFS client generates a "server not responding" message
+after
+.B retrans
+retries, then attempts further recovery (depending on whether the
+.B hard
+mount option is in effect).
+.TP 1.5i
+.BI rsize= n
+The maximum number of bytes in each network READ request
+that the NFS client can receive when reading data from a file
+on an NFS server.
+The actual data payload size of each NFS READ request is equal to
+or smaller than the
+.B rsize
+setting. The largest read payload supported by the Linux NFS client
+is 1,048,576 bytes (one megabyte).
+.IP
+The
+.B rsize
+value is a positive integral multiple of 1024.
+Specified
+.B rsize
+values lower than 1024 are replaced with 4096; values larger than
+1048576 are replaced with 1048576. If a specified value is within the supported
+range but not a multiple of 1024, it is rounded down to the nearest
+multiple of 1024.
+.IP
+If an
+.B rsize
+value is not specified, or if the specified
+.B rsize
+value is larger than the maximum that either client or server can support,
+the client and server negotiate the largest
+.B rsize
+value that they can both support.
+.IP
+The
+.B rsize
+mount option as specified on the
+.BR mount (8)
+command line appears in the
+.I /etc/mtab
+file. However, the effective
+.B rsize
+value negotiated by the client and server is reported in the
+.I /proc/mounts
+file.
+.TP 1.5i
+.BI wsize= n
+The maximum number of bytes per network WRITE request
+that the NFS client can send when writing data to a file
+on an NFS server. The actual data payload size of each
+NFS WRITE request is equal to
+or smaller than the
+.B wsize
+setting. The largest write payload supported by the Linux NFS client
+is 1,048,576 bytes (one megabyte).
+.IP
+Similar to
+.B rsize
+, the
+.B wsize
+value is a positive integral multiple of 1024.
+Specified
+.B wsize
+values lower than 1024 are replaced with 4096; values larger than
+1048576 are replaced with 1048576. If a specified value is within the supported
+range but not a multiple of 1024, it is rounded down to the nearest
+multiple of 1024.
+.IP
+If a
+.B wsize
+value is not specified, or if the specified
+.B wsize
+value is larger than the maximum that either client or server can support,
+the client and server negotiate the largest
+.B wsize
+value that they can both support.
+.IP
+The
+.B wsize
+mount option as specified on the
+.BR mount (8)
+command line appears in the
+.I /etc/mtab
+file. However, the effective
+.B wsize
+value negotiated by the client and server is reported in the
+.I /proc/mounts
+file.
+.TP 1.5i
+.BR ac " / " noac
+Selects whether the client may cache file attributes. If neither
+option is specified (or if
+.B ac
+is specified), the client caches file
+attributes.
+.IP
+To improve performance, NFS clients cache file
+attributes. Every few seconds, an NFS client checks the server's version of each
+file's attributes for updates.  Changes that occur on the server in
+those small intervals remain undetected until the client checks the
+server again. The
+.B noac
+option prevents clients from caching file
+attributes so that applications can more quickly detect file changes
+on the server.
+.IP
+In addition to preventing the client from caching file attributes,
+the
+.B noac
+option forces application writes to become synchronous so
+that local changes to a file become visible on the server
+immediately.  That way, other clients can quickly detect recent
+writes when they check the file's attributes.
+.IP
+Using the
+.B noac
+option provides greater cache coherence among NFS clients
+accessing the same files,
+but it extracts a significant performance penalty.
+As such, judicious use of file locking is encouraged instead.
+The DATA AND METADATA COHERENCE section contains a detailed discussion
+of these trade-offs.
+.TP 1.5i
+.BI acregmin= n
+The minimum time (in seconds) that the NFS client caches
+attributes of a regular file before it requests
+fresh attribute information from a server.
+If this option is not specified, the NFS client uses
+a 3-second minimum.
+See the DATA AND METADATA COHERENCE section
+for a full discussion of attribute caching.
+.TP 1.5i
+.BI acregmax= n
+The maximum time (in seconds) that the NFS client caches
+attributes of a regular file before it requests
+fresh attribute information from a server.
+If this option is not specified, the NFS client uses
+a 60-second maximum.
+See the DATA AND METADATA COHERENCE section
+for a full discussion of attribute caching.
+.TP 1.5i
+.BI acdirmin= n
+The minimum time (in seconds) that the NFS client caches
+attributes of a directory before it requests
+fresh attribute information from a server.
+If this option is not specified, the NFS client uses
+a 30-second minimum.
+See the DATA AND METADATA COHERENCE section
+for a full discussion of attribute caching.
+.TP 1.5i
+.BI acdirmax= n
+The maximum time (in seconds) that the NFS client caches
+attributes of a directory before it requests
+fresh attribute information from a server.
+If this option is not specified, the NFS client uses
+a 60-second maximum.
+See the DATA AND METADATA COHERENCE section
+for a full discussion of attribute caching.
+.TP 1.5i
+.BI actimeo= n
+Using
+.B actimeo
+sets all of
+.BR acregmin ,
+.BR acregmax ,
+.BR acdirmin ,
+and
+.B acdirmax
+to the same value.
+If this option is not specified, the NFS client uses
+the defaults for each of these options listed above.
+.TP 1.5i
+.BR bg " / " fg
+Determines how the
+.BR mount (8)
+command behaves if an attempt to mount an export fails.
+The
+.B fg
+option causes
+.BR mount (8)
+to exit with an error status if any part of the mount request
+times out or fails outright.
+This is called a "foreground" mount,
+and is the default behavior if neither the
+.B fg
+nor
+.B bg
+mount option is specified.
+.IP
+If the
+.B bg
+option is specified, a timeout or failure causes the
+.BR mount (8)
+command to fork a child which continues to attempt
+to mount the export.
+The parent immediately returns with a zero exit code.
+This is known as a "background" mount.
+.IP
+If the local mount point directory is missing, the
+.BR mount (8)
+command acts as if the mount request timed out.
+This permits nested NFS mounts specified in
+.I /etc/fstab
+to proceed in any order during system initialization,
+even if some NFS servers are not yet available.
+Alternatively these issues can be addressed
+using an automounter (refer to
+.BR automount (8)
+for details).
+.TP 1.5i
+.BR nconnect= n
+When using a connection oriented protocol such as TCP, it may
+sometimes be advantageous to set up multiple connections between
+the client and server. For instance, if your clients and/or servers
+are equipped with multiple network interface cards (NICs), using multiple
+connections to spread the load may improve overall performance.
+In such cases, the
+.BR nconnect
+option allows the user to specify the number of connections
+that should be established between the client and server up to
+a limit of 16.
+.IP
+Note that the
+.BR nconnect
+option may also be used by some pNFS drivers to decide how many
+connections to set up to the data servers.
+.TP 1.5i
+.BR rdirplus " / " nordirplus
+Selects whether to use NFS v3 or v4 READDIRPLUS requests.
+If this option is not specified, the NFS client uses READDIRPLUS requests
+on NFS v3 or v4 mounts to read small directories.
+Some applications perform better if the client uses only READDIR requests
+for all directories.
+.TP 1.5i
+.BI retry= n
+The number of minutes that the
+.BR mount (8)
+command retries an NFS mount operation
+in the foreground or background before giving up.
+If this option is not specified, the default value for foreground mounts
+is 2 minutes, and the default value for background mounts is 10000 minutes
+(80 minutes shy of one week).
+If a value of zero is specified, the
+.BR mount (8)
+command exits immediately after the first failure.
+.IP
+Note that this only affects how many retries are made and doesn't
+affect the delay caused by each retry.  For UDP each retry takes the
+time determined by the
+.BR timeo
+and
+.BR retrans
+options, which by default will be about 7 seconds.  For TCP the
+default is 3 minutes, but system TCP connection timeouts will
+sometimes limit the timeout of each retransmission to around 2 minutes.
+.TP 1.5i
+.BI sec= flavors
+A colon-separated list of one or more security flavors to use for accessing
+files on the mounted export. If the server does not support any of these
+flavors, the mount operation fails.
+If
+.B sec=
+is not specified, the client attempts to find
+a security flavor that both the client and the server supports.
+Valid
+.I flavors
+are
+.BR none ,
+.BR sys ,
+.BR krb5 ,
+.BR krb5i ,
+and
+.BR krb5p .
+Refer to the SECURITY CONSIDERATIONS section for details.
+.TP 1.5i
+.BR sharecache " / " nosharecache
+Determines how the client's data cache and attribute cache are shared
+when mounting the same export more than once concurrently.  Using the
+same cache reduces memory requirements on the client and presents
+identical file contents to applications when the same remote file is
+accessed via different mount points.
+.IP
+If neither option is specified, or if the
+.B sharecache
+option is
+specified, then a single cache is used for all mount points that
+access the same export.  If the
+.B nosharecache
+option is specified,
+then that mount point gets a unique cache.  Note that when data and
+attribute caches are shared, the mount options from the first mount
+point take effect for subsequent concurrent mounts of the same export.
+.IP
+As of kernel 2.6.18, the behavior specified by
+.B nosharecache
+is legacy caching behavior. This
+is considered a data risk since multiple cached copies
+of the same file on the same client can become out of sync
+following a local update of one of the copies.
+.TP 1.5i
+.BR resvport " / " noresvport
+Specifies whether the NFS client should use a privileged source port
+when communicating with an NFS server for this mount point.
+If this option is not specified, or the
+.B resvport
+option is specified, the NFS client uses a privileged source port.
+If the
+.B noresvport
+option is specified, the NFS client uses a non-privileged source port.
+This option is supported in kernels 2.6.28 and later.
+.IP
+Using non-privileged source ports helps increase the maximum number of
+NFS mount points allowed on a client, but NFS servers must be configured
+to allow clients to connect via non-privileged source ports.
+.IP
+Refer to the SECURITY CONSIDERATIONS section for important details.
+.TP 1.5i
+.BI lookupcache= mode
+Specifies how the kernel manages its cache of directory entries
+for a given mount point.
+.I mode
+can be one of
+.BR all ,
+.BR none ,
+.BR pos ,
+or
+.BR positive .
+This option is supported in kernels 2.6.28 and later.
+.IP
+The Linux NFS client caches the result of all NFS LOOKUP requests.
+If the requested directory entry exists on the server,
+the result is referred to as
+.IR positive .
+If the requested directory entry does not exist on the server,
+the result is referred to as
+.IR negative .
+.IP
+If this option is not specified, or if
+.B all
+is specified, the client assumes both types of directory cache entries
+are valid until their parent directory's cached attributes expire.
+.IP
+If
+.BR pos " or " positive
+is specified, the client assumes positive entries are valid
+until their parent directory's cached attributes expire, but
+always revalidates negative entires before an application
+can use them.
+.IP
+If
+.B none
+is specified,
+the client revalidates both types of directory cache entries
+before an application can use them.
+This permits quick detection of files that were created or removed
+by other clients, but can impact application and server performance.
+.IP
+The DATA AND METADATA COHERENCE section contains a
+detailed discussion of these trade-offs.
+.TP 1.5i
+.BR fsc " / " nofsc
+Enable/Disables the cache of (read-only) data pages to the local disk 
+using the FS-Cache facility. See cachefilesd(8) 
+and <kernel_source>/Documentation/filesystems/caching
+for detail on how to configure the FS-Cache facility.
+Default value is nofsc.
+.TP 1.5i
+.B sloppy
+The
+.B sloppy
+option is an alternative to specifying
+.BR mount.nfs " -s " option.
+.TP 1.5i
+.BI xprtsec= policy
+Specifies the use of transport layer security to protect NFS network
+traffic on behalf of this mount point.
+.I policy
+can be one of
+.BR none ,
+.BR tls ,
+or
+.BR mtls .
+.IP
+If
+.B none
+is specified,
+transport layer security is forced off, even if the NFS server supports
+transport layer security.
+.IP
+If
+.B tls
+is specified, the client uses RPC-with-TLS to provide in-transit
+confidentiality.
+.IP
+If
+.B mtls
+is specified, the client uses RPC-with-TLS to authenticate itself and
+to provide in-transit confidentiality.
+.IP
+If either
+.B tls
+or
+.B mtls
+is specified and the server does not support RPC-with-TLS or peer
+authentication fails, the mount attempt fails.
+.IP
+If the
+.B xprtsec=
+option is not specified,
+the default behavior depends on the kernel version,
+but is usually equivalent to
+.BR "xprtsec=none" .
+.SS "Options for NFS versions 2 and 3 only"
+Use these options, along with the options in the above subsection,
+for NFS versions 2 and 3 only.
+.TP 1.5i
+.BI proto= netid
+The
+.I netid
+determines the transport that is used to communicate with the NFS
+server.  Available options are
+.BR udp ", " udp6 ", "tcp ", " tcp6 ", " rdma ", and " rdma6 .
+Those which end in
+.B 6
+use IPv6 addresses and are only available if support for TI-RPC is
+built in. Others use IPv4 addresses.
+.IP
+Each transport protocol uses different default
+.B retrans
+and
+.B timeo
+settings.
+Refer to the description of these two mount options for details.
+.IP
+In addition to controlling how the NFS client transmits requests to
+the server, this mount option also controls how the
+.BR mount (8)
+command communicates with the server's rpcbind and mountd services.
+Specifying a netid that uses TCP forces all traffic from the
+.BR mount (8)
+command and the NFS client to use TCP.
+Specifying a netid that uses UDP forces all traffic types to use UDP.
+.IP
+.B Before using NFS over UDP, refer to the TRANSPORT METHODS section.
+.IP
+If the
+.B proto
+mount option is not specified, the
+.BR mount (8)
+command discovers which protocols the server supports
+and chooses an appropriate transport for each service.
+Refer to the TRANSPORT METHODS section for more details.
+.TP 1.5i
+.B udp
+The
+.B udp
+option is an alternative to specifying
+.BR proto=udp.
+It is included for compatibility with other operating systems.
+.IP
+.B Before using NFS over UDP, refer to the TRANSPORT METHODS section.
+.TP 1.5i
+.B tcp
+The
+.B tcp
+option is an alternative to specifying
+.BR proto=tcp.
+It is included for compatibility with other operating systems.
+.TP 1.5i
+.B rdma
+The
+.B rdma
+option is an alternative to specifying
+.BR proto=rdma.
+.TP 1.5i
+.BI port= n
+The numeric value of the server's NFS service port.
+If the server's NFS service is not available on the specified port,
+the mount request fails.
+.IP
+If this option is not specified, or if the specified port value is 0,
+then the NFS client uses the NFS service port number
+advertised by the server's rpcbind service.
+The mount request fails if the server's rpcbind service is not available,
+the server's NFS service is not registered with its rpcbind service,
+or the server's NFS service is not available on the advertised port.
+.TP 1.5i
+.BI mountport= n
+The numeric value of the server's mountd port.
+If the server's mountd service is not available on the specified port,
+the mount request fails.
+.IP
+If this option is not specified,
+or if the specified port value is 0, then the
+.BR mount (8)
+command uses the mountd service port number
+advertised by the server's rpcbind service.
+The mount request fails if the server's rpcbind service is not available,
+the server's mountd service is not registered with its rpcbind service,
+or the server's mountd service is not available on the advertised port.
+.IP
+This option can be used when mounting an NFS server
+through a firewall that blocks the rpcbind protocol.
+.TP 1.5i
+.BI mountproto= netid
+The transport the NFS client uses
+to transmit requests to the NFS server's mountd service when performing
+this mount request, and when later unmounting this mount point.
+.IP
+.I netid
+may be one of
+.BR udp ", and " tcp
+which use IPv4 address or, if TI-RPC is built into the
+.B mount.nfs
+command,
+.BR udp6 ", and " tcp6
+which use IPv6 addresses.
+.IP
+This option can be used when mounting an NFS server
+through a firewall that blocks a particular transport.
+When used in combination with the
+.B proto
+option, different transports for mountd requests and NFS requests
+can be specified.
+If the server's mountd service is not available via the specified
+transport, the mount request fails.
+.IP
+Refer to the TRANSPORT METHODS section for more on how the
+.B mountproto
+mount option interacts with the
+.B proto
+mount option.
+.TP 1.5i
+.BI mounthost= name
+The hostname of the host running mountd.
+If this option is not specified, the
+.BR mount (8)
+command assumes that the mountd service runs
+on the same host as the NFS service.
+.TP 1.5i
+.BI mountvers= n
+The RPC version number used to contact the server's mountd.
+If this option is not specified, the client uses a version number
+appropriate to the requested NFS version.
+This option is useful when multiple NFS services
+are running on the same remote server host.
+.TP 1.5i
+.BI namlen= n
+The maximum length of a pathname component on this mount.
+If this option is not specified, the maximum length is negotiated
+with the server. In most cases, this maximum length is 255 characters.
+.IP
+Some early versions of NFS did not support this negotiation.
+Using this option ensures that
+.BR pathconf (3)
+reports the proper maximum component length to applications
+in such cases.
+.TP 1.5i
+.BR lock " / " nolock
+Selects whether to use the NLM sideband protocol to lock files on the server.
+If neither option is specified (or if
+.B lock
+is specified), NLM locking is used for this mount point.
+When using the
+.B nolock
+option, applications can lock files,
+but such locks provide exclusion only against other applications
+running on the same client.
+Remote applications are not affected by these locks.
+.IP
+NLM locking must be disabled with the
+.B nolock
+option when using NFS to mount
+.I /var
+because
+.I /var
+contains files used by the NLM implementation on Linux.
+Using the
+.B nolock
+option is also required when mounting exports on NFS servers
+that do not support the NLM protocol.
+.TP 1.5i
+.BR cto " / " nocto
+Selects whether to use close-to-open cache coherence semantics.
+If neither option is specified (or if
+.B cto
+is specified), the client uses close-to-open
+cache coherence semantics. If the
+.B nocto
+option is specified, the client uses a non-standard heuristic to determine when
+files on the server have changed.
+.IP
+Using the
+.B nocto
+option may improve performance for read-only mounts,
+but should be used only if the data on the server changes only occasionally.
+The DATA AND METADATA COHERENCE section discusses the behavior
+of this option in more detail.
+.TP 1.5i
+.BR acl " / " noacl
+Selects whether to use the NFSACL sideband protocol on this mount point.
+The NFSACL sideband protocol is a proprietary protocol
+implemented in Solaris that manages Access Control Lists. NFSACL was never
+made a standard part of the NFS protocol specification.
+.IP
+If neither
+.B acl
+nor
+.B noacl
+option is specified,
+the NFS client negotiates with the server
+to see if the NFSACL protocol is supported,
+and uses it if the server supports it.
+Disabling the NFSACL sideband protocol may be necessary
+if the negotiation causes problems on the client or server.
+Refer to the SECURITY CONSIDERATIONS section for more details.
+.TP 1.5i
+.BR local_lock= mechanism
+Specifies whether to use local locking for any or both of the flock and the
+POSIX locking mechanisms.
+.I mechanism
+can be one of
+.BR all ,
+.BR flock ,
+.BR posix ,
+or
+.BR none .
+This option is supported in kernels 2.6.37 and later.
+.IP
+The Linux NFS client provides a way to make locks local. This means, the
+applications can lock files, but such locks provide exclusion only against
+other applications running on the same client. Remote applications are not
+affected by these locks.
+.IP
+If this option is not specified, or if
+.B none
+is specified, the client assumes that the locks are not local.
+.IP
+If
+.BR all
+is specified, the client assumes that both flock and POSIX locks are local.
+.IP
+If
+.BR flock
+is specified, the client assumes that only flock locks are local and uses
+NLM sideband protocol to lock files when POSIX locks are used.
+.IP
+If
+.BR posix
+is specified, the client assumes that POSIX locks are local and uses NLM
+sideband protocol to lock files when flock locks are used.
+.IP
+To support legacy flock behavior similar to that of NFS clients < 2.6.12, 
+use 'local_lock=flock'. This option is required when exporting NFS mounts via
+Samba as Samba maps Windows share mode locks as flock. Since NFS clients >
+2.6.12 implement flock by emulating POSIX locks, this will result in
+conflicting locks.
+.IP
+NOTE: When used together, the 'local_lock' mount option will be overridden
+by 'nolock'/'lock' mount option.
+.SS "Options for NFS version 4 only"
+Use these options, along with the options in the first subsection above,
+for NFS version 4.0 and newer.
+.TP 1.5i
+.BI proto= netid
+The
+.I netid
+determines the transport that is used to communicate with the NFS
+server.  Supported options are
+.BR tcp ", " tcp6 ", " rdma ", and " rdma6 .
+.B tcp6
+use IPv6 addresses and is only available if support for TI-RPC is
+built in. Both others use IPv4 addresses.
+.IP
+All NFS version 4 servers are required to support TCP,
+so if this mount option is not specified, the NFS version 4 client
+uses the TCP protocol.
+Refer to the TRANSPORT METHODS section for more details.
+.TP 1.5i
+.BI minorversion= n
+Specifies the protocol minor version number.
+NFSv4 introduces "minor versioning," where NFS protocol enhancements can
+be introduced without bumping the NFS protocol version number.
+Before kernel 2.6.38, the minor version is always zero, and this
+option is not recognized.
+After this kernel, specifying "minorversion=1" enables a number of
+advanced features, such as NFSv4 sessions.
+.IP
+Recent kernels allow the minor version to be specified using the
+.B vers=
+option.
+For example, specifying
+.B vers=4.1
+is the same as specifying
+.BR vers=4,minorversion=1 .
+.TP 1.5i
+.BI port= n
+The numeric value of the server's NFS service port.
+If the server's NFS service is not available on the specified port,
+the mount request fails.
+.IP
+If this mount option is not specified,
+the NFS client uses the standard NFS port number of 2049
+without first checking the server's rpcbind service.
+This allows an NFS version 4 client to contact an NFS version 4
+server through a firewall that may block rpcbind requests.
+.IP
+If the specified port value is 0,
+then the NFS client uses the NFS service port number
+advertised by the server's rpcbind service.
+The mount request fails if the server's rpcbind service is not available,
+the server's NFS service is not registered with its rpcbind service,
+or the server's NFS service is not available on the advertised port.
+.TP 1.5i
+.BR cto " / " nocto
+Selects whether to use close-to-open cache coherence semantics
+for NFS directories on this mount point.
+If neither
+.B cto
+nor
+.B nocto
+is specified,
+the default is to use close-to-open cache coherence
+semantics for directories.
+.IP
+File data caching behavior is not affected by this option.
+The DATA AND METADATA COHERENCE section discusses
+the behavior of this option in more detail.
+.TP 1.5i
+.BI clientaddr= n.n.n.n
+.TP 1.5i
+.BI clientaddr= n:n: ... :n
+Specifies a single IPv4 address (in dotted-quad form),
+or a non-link-local IPv6 address,
+that the NFS client advertises to allow servers
+to perform NFS version 4.0 callback requests against
+files on this mount point. If  the  server is unable to
+establish callback connections to clients, performance
+may degrade, or accesses to files may temporarily hang.
+Can specify a value of IPv4_ANY (0.0.0.0) or equivalent
+IPv6 any address which will signal to the NFS server that
+this NFS client does not want delegations.
+.IP
+If this option is not specified, the
+.BR mount (8)
+command attempts to discover an appropriate callback address automatically.
+The automatic discovery process is not perfect, however.
+In the presence of multiple client network interfaces,
+special routing policies,
+or atypical network topologies,
+the exact address to use for callbacks may be nontrivial to determine.
+.IP
+NFS protocol versions 4.1 and 4.2 use the client-established
+TCP connection for callback requests, so do not require the server to
+connect to the client.  This option is therefore only affect NFS version
+4.0 mounts.
+.TP 1.5i
+.BR migration " / " nomigration
+Selects whether the client uses an identification string that is compatible
+with NFSv4 Transparent State Migration (TSM).
+If the mounted server supports NFSv4 migration with TSM, specify the
+.B migration
+option.
+.IP
+Some server features misbehave in the face of a migration-compatible
+identification string.
+The
+.B nomigration
+option retains the use of a traditional client indentification string
+which is compatible with legacy NFS servers.
+This is also the behavior if neither option is specified.
+A client's open and lock state cannot be migrated transparently
+when it identifies itself via a traditional identification string.
+.IP
+This mount option has no effect with NFSv4 minor versions newer than zero,
+which always use TSM-compatible client identification strings.
+.TP 1.5i
+.BR max_connect= n
+While
+.BR nconnect
+option sets a limit on the number of connections that can be established
+to a given server IP,
+.BR max_connect
+option allows the user to specify maximum number of connections to different
+server IPs that belong to the same NFSv4.1+ server (session trunkable
+connections) up to a limit of 16. When client discovers that it established
+a client ID to an already existing server, instead of dropping the newly
+created network transport, the client will add this new connection to the
+list of available transports for that RPC client.
+.TP 1.5i
+.BR trunkdiscovery " / " notrunkdiscovery
+When the client discovers a new filesystem on a NFSv4.1+ server, the
+.BR trunkdiscovery
+mount option will cause it to send a GETATTR for the fs_locations attribute.
+If is receives a non-zero length reply, it will iterate through the response,
+and for each server location it will establish a connection, send an
+EXCHANGE_ID, and test for session trunking.  If the trunking test succeeds,
+the connection will be added to the existing set of transports for the server,
+subject to the limit specified by the
+.BR max_connect
+option.  The default is
+.BR notrunkdiscovery .
+.SH nfs4 FILE SYSTEM TYPE
+The
+.BR nfs4
+file system type is an old syntax for specifying NFSv4 usage. It can still 
+be used with all NFSv4-specific and common options, excepted the
+.B nfsvers
+mount option.
+.SH MOUNT CONFIGURATION FILE
+If the mount command is configured to do so, all of the mount options 
+described in the previous section can also be configured in the 
+.I /etc/nfsmount.conf 
+file. See 
+.BR nfsmount.conf(5)
+for details.
+.SH EXAMPLES
+To mount using NFS version 3,
+use the
+.B nfs
+file system type and specify the
+.B nfsvers=3
+mount option.
+To mount using NFS version 4,
+use either the
+.B nfs
+file system type, with the
+.B nfsvers=4
+mount option, or the 
+.B nfs4
+file system type.
+.P
+The following example from an
+.I /etc/fstab
+file causes the mount command to negotiate
+reasonable defaults for NFS behavior.
+.P
+.nf
+.ta 8n +16n +6n +6n +30n
+	server:/export	/mnt	nfs	defaults	0 0
+.fi
+.P
+This example shows how to mount using NFS version 4 over TCP
+with Kerberos 5 mutual authentication.
+.P
+.nf
+.ta 8n +16n +6n +6n +30n
+	server:/export	/mnt	nfs4	sec=krb5	0 0
+.fi
+.P
+This example shows how to mount using NFS version 4 over TCP
+with Kerberos 5 privacy or data integrity mode.
+.P
+.nf
+.ta 8n +16n +6n +6n +30n
+	server:/export	/mnt	nfs4	sec=krb5p:krb5i	0 0
+.fi
+.P
+This example can be used to mount /usr over NFS.
+.P
+.nf
+.ta 8n +16n +6n +6n +30n
+	server:/export	/usr	nfs	ro,nolock,nocto,actimeo=3600	0 0
+.fi
+.P
+This example shows how to mount an NFS server
+using a raw IPv6 link-local address.
+.P
+.nf
+.ta 8n +40n +5n +4n +9n
+	[fe80::215:c5ff:fb3e:e2b1%eth0]:/export	/mnt	nfs	defaults	0 0
+.fi
+.SH "TRANSPORT METHODS"
+NFS clients send requests to NFS servers via
+Remote Procedure Calls, or
+.IR RPCs .
+The RPC client discovers remote service endpoints automatically,
+handles per-request authentication,
+adjusts request parameters for different byte endianness on client and server,
+and retransmits requests that may have been lost by the network or server.
+RPC requests and replies flow over a network transport.
+.P
+In most cases, the
+.BR mount (8)
+command, NFS client, and NFS server
+can automatically negotiate proper transport
+and data transfer size settings for a mount point.
+In some cases, however, it pays to specify
+these settings explicitly using mount options.
+.P
+Traditionally, NFS clients used the UDP transport exclusively for
+transmitting requests to servers.  Though its implementation is
+simple, NFS over UDP has many limitations that prevent smooth
+operation and good performance in some common deployment
+environments.  Even an insignificant packet loss rate results in the
+loss of whole NFS requests; as such, retransmit timeouts are usually
+in the subsecond range to allow clients to recover quickly from
+dropped requests, but this can result in extraneous network traffic
+and server load.
+.P
+However, UDP can be quite effective in specialized settings where
+the networks MTU is large relative to NFSs data transfer size (such
+as network environments that enable jumbo Ethernet frames).  In such
+environments, trimming the
+.B rsize
+and
+.B wsize
+settings so that each
+NFS read or write request fits in just a few network frames (or even
+in  a single  frame) is advised.  This reduces the probability that
+the loss of a single MTU-sized network frame results in the loss of
+an entire large read or write request.
+.P
+TCP is the default transport protocol used for all modern NFS
+implementations.  It performs well in almost every conceivable
+network environment and provides excellent guarantees against data
+corruption caused by network unreliability.  TCP is often a
+requirement for mounting a server through a network firewall.
+.P
+Under normal circumstances, networks drop packets much more
+frequently than NFS servers drop requests.  As such, an aggressive
+retransmit timeout  setting for NFS over TCP is unnecessary. Typical
+timeout settings for NFS over TCP are between one and ten minutes.
+After  the client exhausts its retransmits (the value of the
+.B retrans
+mount option), it assumes a network partition has occurred,
+and attempts to reconnect to the server on a fresh socket. Since
+TCP itself makes network data transfer reliable,
+.B rsize
+and
+.B wsize
+can safely be allowed to default to the largest values supported by
+both client and server, independent of the network's MTU size.
+.SS "Using the mountproto mount option"
+This section applies only to NFS version 3 mounts
+since NFS version 4 does not use a separate protocol for mount
+requests.
+.P
+The Linux NFS client can use a different transport for
+contacting an NFS server's rpcbind service, its mountd service,
+its Network Lock Manager (NLM) service, and its NFS service.
+The exact transports employed by the Linux NFS client for
+each mount point depends on the settings of the transport
+mount options, which include
+.BR proto ,
+.BR mountproto ,
+.BR udp ", and " tcp .
+.P
+The client sends Network Status Manager (NSM) notifications
+via UDP no matter what transport options are specified, but
+listens for server NSM notifications on both UDP and TCP.
+The NFS Access Control List (NFSACL) protocol shares the same
+transport as the main NFS service.
+.P
+If no transport options are specified, the Linux NFS client
+uses UDP to contact the server's mountd service, and TCP to
+contact its NLM and NFS services by default.
+.P
+If the server does not support these transports for these services, the
+.BR mount (8)
+command attempts to discover what the server supports, and then retries
+the mount request once using the discovered transports.
+If the server does not advertise any transport supported by the client
+or is misconfigured, the mount request fails.
+If the
+.B bg
+option is in effect, the mount command backgrounds itself and continues
+to attempt the specified mount request.
+.P
+When the
+.B proto
+option, the
+.B udp
+option, or the
+.B tcp
+option is specified but the
+.B mountproto
+option is not, the specified transport is used to contact
+both the server's mountd service and for the NLM and NFS services.
+.P
+If the
+.B mountproto
+option is specified but none of the
+.BR proto ", " udp " or " tcp
+options are specified, then the specified transport is used for the
+initial mountd request, but the mount command attempts to discover
+what the server supports for the NFS protocol, preferring TCP if
+both transports are supported.
+.P
+If both the
+.BR mountproto " and " proto
+(or
+.BR udp " or " tcp )
+options are specified, then the transport specified by the
+.B mountproto
+option is used for the initial mountd request, and the transport
+specified by the
+.B proto
+option (or the
+.BR udp " or " tcp " options)"
+is used for NFS, no matter what order these options appear.
+No automatic service discovery is performed if these options are
+specified.
+.P
+If any of the
+.BR proto ", " udp ", " tcp ", "
+or
+.B mountproto
+options are specified more than once on the same mount command line,
+then the value of the rightmost instance of each of these options
+takes effect.
+.SS "Using NFS over UDP on high-speed links"
+Using NFS over UDP on high-speed links such as Gigabit
+.BR "can cause silent data corruption" .
+.P
+The problem can be triggered at high loads, and is caused by problems in
+IP fragment reassembly. NFS read and writes typically transmit UDP packets
+of 4 Kilobytes or more, which have to be broken up into several fragments
+in order to be sent over the Ethernet link, which limits packets to 1500
+bytes by default. This process happens at the IP network layer and is
+called fragmentation.
+.P
+In order to identify fragments that belong together, IP assigns a 16bit
+.I IP ID
+value to each packet; fragments generated from the same UDP packet
+will have the same IP ID. The receiving system will collect these
+fragments and combine them to form the original UDP packet. This process
+is called reassembly. The default timeout for packet reassembly is
+30 seconds; if the network stack does not receive all fragments of
+a given packet within this interval, it assumes the missing fragment(s)
+got lost and discards those it already received.
+.P
+The problem this creates over high-speed links is that it is possible
+to send more than 65536 packets within 30 seconds. In fact, with
+heavy NFS traffic one can observe that the IP IDs repeat after about
+5 seconds.
+.P
+This has serious effects on reassembly: if one fragment gets lost,
+another fragment
+.I from a different packet
+but with the
+.I same IP ID
+will arrive within the 30 second timeout, and the network stack will
+combine these fragments to form a new packet. Most of the time, network
+layers above IP will detect this mismatched reassembly - in the case
+of UDP, the UDP checksum, which is a 16 bit checksum over the entire
+packet payload, will usually not match, and UDP will discard the
+bad packet.
+.P
+However, the UDP checksum is 16 bit only, so there is a chance of 1 in
+65536 that it will match even if the packet payload is completely
+random (which very often isn't the case). If that is the case,
+silent data corruption will occur.
+.P
+This potential should be taken seriously, at least on Gigabit
+Ethernet.
+Network speeds of 100Mbit/s should be considered less
+problematic, because with most traffic patterns IP ID wrap around
+will take much longer than 30 seconds.
+.P
+It is therefore strongly recommended to use
+.BR "NFS over TCP where possible" ,
+since TCP does not perform fragmentation.
+.P
+If you absolutely have to use NFS over UDP over Gigabit Ethernet,
+some steps can be taken to mitigate the problem and reduce the
+probability of corruption:
+.TP +1.5i
+.I Jumbo frames:
+Many Gigabit network cards are capable of transmitting
+frames bigger than the 1500 byte limit of traditional Ethernet, typically
+9000 bytes. Using jumbo frames of 9000 bytes will allow you to run NFS over
+UDP at a page size of 8K without fragmentation. Of course, this is
+only feasible if all involved stations support jumbo frames.
+.IP
+To enable a machine to send jumbo frames on cards that support it,
+it is sufficient to configure the interface for a MTU value of 9000.
+.TP +1.5i
+.I Lower reassembly timeout:
+By lowering this timeout below the time it takes the IP ID counter
+to wrap around, incorrect reassembly of fragments can be prevented
+as well. To do so, simply write the new timeout value (in seconds)
+to the file
+.BR /proc/sys/net/ipv4/ipfrag_time .
+.IP
+A value of 2 seconds will greatly reduce the probability of IPID clashes on
+a single Gigabit link, while still allowing for a reasonable timeout
+when receiving fragmented traffic from distant peers.
+.SH "DATA AND METADATA COHERENCE"
+Some modern cluster file systems provide
+perfect cache coherence among their clients.
+Perfect cache coherence among disparate NFS clients
+is expensive to achieve, especially on wide area networks.
+As such, NFS settles for weaker cache coherence that
+satisfies the requirements of most file sharing types.
+.SS "Close-to-open cache consistency"
+Typically file sharing is completely sequential.
+First client A opens a file, writes something to it, then closes it.
+Then client B opens the same file, and reads the changes.
+.P
+When an application opens a file stored on an NFS version 3 server,
+the NFS client checks that the file exists on the server
+and is permitted to the opener by sending a GETATTR or ACCESS request.
+The NFS client sends these requests
+regardless of the freshness of the file's cached attributes.
+.P
+When the application closes the file,
+the NFS client writes back any pending changes
+to the file so that the next opener can view the changes.
+This also gives the NFS client an opportunity to report
+write errors to the application via the return code from
+.BR close (2).
+.P
+The behavior of checking at open time and flushing at close time
+is referred to as
+.IR "close-to-open cache consistency" ,
+or
+.IR CTO .
+It can be disabled for an entire mount point using the
+.B nocto
+mount option.
+.SS "Weak cache consistency"
+There are still opportunities for a client's data cache
+to contain stale data.
+The NFS version 3 protocol introduced "weak cache consistency"
+(also known as WCC) which provides a way of efficiently checking
+a file's attributes before and after a single request.
+This allows a client to help identify changes
+that could have been made by other clients.
+.P
+When a client is using many concurrent operations
+that update the same file at the same time
+(for example, during asynchronous write behind),
+it is still difficult to tell whether it was
+that client's updates or some other client's updates
+that altered the file.
+.SS "Attribute caching"
+Use the
+.B noac
+mount option to achieve attribute cache coherence
+among multiple clients.
+Almost every file system operation checks
+file attribute information.
+The client keeps this information cached
+for a period of time to reduce network and server load.
+When
+.B noac
+is in effect, a client's file attribute cache is disabled,
+so each operation that needs to check a file's attributes
+is forced to go back to the server.
+This permits a client to see changes to a file very quickly,
+at the cost of many extra network operations.
+.P
+Be careful not to confuse the
+.B noac
+option with "no data caching."
+The
+.B noac
+mount option prevents the client from caching file metadata,
+but there are still races that may result in data cache incoherence
+between client and server.
+.P
+The NFS protocol is not designed to support
+true cluster file system cache coherence
+without some type of application serialization.
+If absolute cache coherence among clients is required,
+applications should use file locking. Alternatively, applications
+can also open their files with the O_DIRECT flag
+to disable data caching entirely.
+.SS "File timestamp maintenance"
+NFS servers are responsible for managing file and directory timestamps
+.RB ( atime ,
+.BR ctime ", and"
+.BR mtime ).
+When a file is accessed or updated on an NFS server,
+the file's timestamps are updated just like they would be on a filesystem
+local to an application.
+.P
+NFS clients cache file attributes, including timestamps.
+A file's timestamps are updated on NFS clients when its attributes
+are retrieved from the NFS server.
+Thus there may be some delay before timestamp updates
+on an NFS server appear to applications on NFS clients.
+.P
+To comply with the POSIX filesystem standard, the Linux NFS client
+relies on NFS servers to keep a file's
+.B mtime
+and
+.B ctime
+timestamps properly up to date.
+It does this by flushing local data changes to the server
+before reporting
+.B mtime
+to applications via system calls such as
+.BR stat (2).
+.P
+The Linux client handles
+.B atime
+updates more loosely, however.
+NFS clients maintain good performance by caching data,
+but that means that application reads, which normally update
+.BR atime ,
+are not reflected to the server where a file's
+.B atime
+is actually maintained.
+.P
+Because of this caching behavior,
+the Linux NFS client does not support generic atime-related mount options.
+See
+.BR mount (8)
+for details on these options.
+.P
+In particular, the
+.BR atime / noatime ,
+.BR diratime / nodiratime ,
+.BR relatime / norelatime ,
+and
+.BR strictatime / nostrictatime
+mount options have no effect on NFS mounts.
+.P
+.I /proc/mounts
+may report that the
+.B relatime
+mount option is set on NFS mounts, but in fact the
+.B atime
+semantics are always as described here, and are not like
+.B relatime
+semantics.
+.SS "Directory entry caching"
+The Linux NFS client caches the result of all NFS LOOKUP requests.
+If the requested directory entry exists on the server,
+the result is referred to as a
+.IR positive " lookup result.
+If the requested directory entry does not exist on the server
+(that is, the server returned ENOENT),
+the result is referred to as
+.IR negative " lookup result.
+.P
+To detect when directory entries have been added or removed
+on the server,
+the Linux NFS client watches a directory's mtime.
+If the client detects a change in a directory's mtime,
+the client drops all cached LOOKUP results for that directory.
+Since the directory's mtime is a cached attribute, it may
+take some time before a client notices it has changed.
+See the descriptions of the
+.BR acdirmin ", " acdirmax ", and " noac
+mount options for more information about
+how long a directory's mtime is cached.
+.P
+Caching directory entries improves the performance of applications that
+do not share files with applications on other clients.
+Using cached information about directories can interfere
+with applications that run concurrently on multiple clients and
+need to detect the creation or removal of files quickly, however.
+The
+.B lookupcache
+mount option allows some tuning of directory entry caching behavior.
+.P
+Before kernel release 2.6.28,
+the Linux NFS client tracked only positive lookup results.
+This permitted applications to detect new directory entries
+created by other clients quickly while still providing some of the
+performance benefits of caching.
+If an application depends on the previous lookup caching behavior
+of the Linux NFS client, you can use
+.BR lookupcache=positive .
+.P
+If the client ignores its cache and validates every application
+lookup request with the server,
+that client can immediately detect when a new directory
+entry has been either created or removed by another client.
+You can specify this behavior using
+.BR lookupcache=none .
+The extra NFS requests needed if the client does not
+cache directory entries can exact a performance penalty.
+Disabling lookup caching
+should result in less of a performance penalty than using
+.BR noac ,
+and has no effect on how the NFS client caches the attributes of files.
+.P
+.SS "The sync mount option"
+The NFS client treats the
+.B sync
+mount option differently than some other file systems
+(refer to
+.BR mount (8)
+for a description of the generic
+.B sync
+and
+.B async
+mount options).
+If neither
+.B sync
+nor
+.B async
+is specified (or if the
+.B async
+option is specified),
+the NFS client delays sending application
+writes to the server
+until any of these events occur:
+.IP
+Memory pressure forces reclamation of system memory resources.
+.IP
+An application flushes file data explicitly with
+.BR sync (2),
+.BR msync (2),
+or
+.BR fsync (3).
+.IP
+An application closes a file with
+.BR close (2).
+.IP
+The file is locked/unlocked via
+.BR fcntl (2).
+.P
+In other words, under normal circumstances,
+data written by an application may not immediately appear
+on the server that hosts the file.
+.P
+If the
+.B sync
+option is specified on a mount point,
+any system call that writes data to files on that mount point
+causes that data to be flushed to the server
+before the system call returns control to user space.
+This provides greater data cache coherence among clients,
+but at a significant performance cost.
+.P
+Applications can use the O_SYNC open flag to force application
+writes to individual files to go to the server immediately without
+the use of the
+.B sync
+mount option.
+.SS "Using file locks with NFS"
+The Network Lock Manager protocol is a separate sideband protocol
+used to manage file locks in NFS version 3.
+To support lock recovery after a client or server reboot,
+a second sideband protocol --
+known as the Network Status Manager protocol --
+is also required.
+In NFS version 4,
+file locking is supported directly in the main NFS protocol,
+and the NLM and NSM sideband protocols are not used.
+.P
+In most cases, NLM and NSM services are started automatically,
+and no extra configuration is required.
+Configure all NFS clients with fully-qualified domain names
+to ensure that NFS servers can find clients to notify them of server reboots.
+.P
+NLM supports advisory file locks only.
+To lock NFS files, use
+.BR fcntl (2)
+with the F_GETLK and F_SETLK commands.
+The NFS client converts file locks obtained via
+.BR flock (2)
+to advisory locks.
+.P
+When mounting servers that do not support the NLM protocol,
+or when mounting an NFS server through a firewall
+that blocks the NLM service port,
+specify the
+.B nolock
+mount option. NLM locking must be disabled with the
+.B nolock
+option when using NFS to mount
+.I /var
+because
+.I /var
+contains files used by the NLM implementation on Linux.
+.P
+Specifying the
+.B nolock
+option may also be advised to improve the performance
+of a proprietary application which runs on a single client
+and uses file locks extensively.
+.SS "NFS version 4 caching features"
+The data and metadata caching behavior of NFS version 4
+clients is similar to that of earlier versions.
+However, NFS version 4 adds two features that improve
+cache behavior:
+.I change attributes
+and
+.IR "file delegation" .
+.P
+The
+.I change attribute
+is a new part of NFS file and directory metadata
+which tracks data changes.
+It replaces the use of a file's modification
+and change time stamps
+as a way for clients to validate the content
+of their caches.
+Change attributes are independent of the time stamp
+resolution on either the server or client, however.
+.P
+A
+.I file delegation
+is a contract between an NFS version 4 client
+and server that allows the client to treat a file temporarily
+as if no other client is accessing it.
+The server promises to notify the client (via a callback request) if another client
+attempts to access that file.
+Once a file has been delegated to a client, the client can
+cache that file's data and metadata aggressively without
+contacting the server.
+.P
+File delegations come in two flavors:
+.I read
+and
+.IR write .
+A
+.I read
+delegation means that the server notifies the client
+about any other clients that want to write to the file.
+A
+.I write
+delegation means that the client gets notified about
+either read or write accessors.
+.P
+Servers grant file delegations when a file is opened,
+and can recall delegations at any time when another
+client wants access to the file that conflicts with
+any delegations already granted.
+Delegations on directories are not supported.
+.P
+In order to support delegation callback, the server
+checks the network return path to the client during
+the client's initial contact with the server.
+If contact with the client cannot be established,
+the server simply does not grant any delegations to
+that client.
+.SH "SECURITY CONSIDERATIONS"
+NFS servers control access to file data,
+but they depend on their RPC implementation
+to provide authentication of NFS requests.
+Traditional NFS access control mimics
+the standard mode bit access control provided in local file systems.
+Traditional RPC authentication uses a number
+to represent each user
+(usually the user's own uid),
+a number to represent the user's group (the user's gid),
+and a set of up to 16 auxiliary group numbers
+to represent other groups of which the user may be a member.
+.P
+Typically, file data and user ID values appear unencrypted
+(i.e. "in the clear") on the network.
+Moreover, NFS versions 2 and 3 use
+separate sideband protocols for mounting,
+locking and unlocking files,
+and reporting system status of clients and servers.
+These auxiliary protocols use no authentication.
+.P
+In addition to combining these sideband protocols with the main NFS protocol,
+NFS version 4 introduces more advanced forms of access control,
+authentication, and in-transit data protection.
+The NFS version 4 specification mandates support for
+strong authentication and security flavors
+that provide per-RPC integrity checking and encryption.
+Because NFS version 4 combines the
+function of the sideband protocols into the main NFS protocol,
+the new security features apply to all NFS version 4 operations
+including mounting, file locking, and so on.
+RPCGSS authentication can also be used with NFS versions 2 and 3,
+but it does not protect their sideband protocols.
+.P
+The
+.B sec
+mount option specifies the security flavor used for operations
+on behalf of users on that NFS mount point.
+Specifying
+.B sec=krb5
+provides cryptographic proof of a user's identity in each RPC request.
+This provides strong verification of the identity of users
+accessing data on the server.
+Note that additional configuration besides adding this mount option
+is required in order to enable Kerberos security.
+Refer to the
+.BR rpc.gssd (8)
+man page for details.
+.P
+Two additional flavors of Kerberos security are supported:
+.B krb5i
+and
+.BR krb5p .
+The
+.B krb5i
+security flavor provides a cryptographically strong guarantee
+that the data in each RPC request has not been tampered with.
+The
+.B krb5p
+security flavor encrypts every RPC request
+to prevent data exposure during network transit; however,
+expect some performance impact
+when using integrity checking or encryption.
+Similar support for other forms of cryptographic security
+is also available.
+.SS "NFS version 4 filesystem crossing"
+The NFS version 4 protocol allows
+a client to renegotiate the security flavor
+when the client crosses into a new filesystem on the server.
+The newly negotiated flavor effects only accesses of the new filesystem.
+.P
+Such negotiation typically occurs when a client crosses
+from a server's pseudo-fs
+into one of the server's exported physical filesystems,
+which often have more restrictive security settings than the pseudo-fs.
+.SS "NFS version 4 Leases"
+In NFS version 4, a lease is a period during which a server
+irrevocably grants a client file locks.
+Once the lease expires, the server may revoke those locks.
+Clients periodically renew their leases to prevent lock revocation.
+.P
+After an NFS version 4 server reboots, each client tells the
+server about existing file open and lock state under its lease
+before operation can continue.
+If a client reboots, the server frees all open and lock state
+associated with that client's lease.
+.P
+When establishing a lease, therefore,
+a client must identify itself to a server.
+Each client presents an arbitrary string
+to distinguish itself from other clients.
+The client administrator can
+supplement the default identity string using the
+.I nfs4.nfs4_unique_id
+module parameter to avoid collisions
+with other client identity strings.
+.P
+A client also uses a unique security flavor and principal
+when it establishes its lease.
+If two clients present the same identity string,
+a server can use client principals to distinguish between them,
+thus securely preventing one client from interfering with the other's lease.
+.P
+The Linux NFS client establishes one lease on each NFS version 4 server.
+Lease management operations, such as lease renewal, are not
+done on behalf of a particular file, lock, user, or mount
+point, but on behalf of the client that owns that lease.
+A client uses a consistent identity string, security flavor,
+and principal across client reboots to ensure that the server
+can promptly reap expired lease state.
+.P
+When Kerberos is configured on a Linux NFS client
+(i.e., there is a
+.I /etc/krb5.keytab
+on that client), the client attempts to use a Kerberos
+security flavor for its lease management operations.
+Kerberos provides secure authentication of each client.
+By default, the client uses the
+.I host/
+or
+.I nfs/
+service principal in its
+.I /etc/krb5.keytab
+for this purpose, as described in
+.BR rpc.gssd (8).
+.P
+If the client has Kerberos configured, but the server
+does not, or if the client does not have a keytab or
+the requisite service principals, the client uses
+.I AUTH_SYS
+and UID 0 for lease management.
+.SS "Using non-privileged source ports"
+NFS clients usually communicate with NFS servers via network sockets.
+Each end of a socket is assigned a port value, which is simply a number
+between 1 and 65535 that distinguishes socket endpoints at the same
+IP address.
+A socket is uniquely defined by a tuple that includes the transport
+protocol (TCP or UDP) and the port values and IP addresses of both
+endpoints.
+.P
+The NFS client can choose any source port value for its sockets,
+but usually chooses a
+.I privileged
+port.
+A privileged port is a port value less than 1024.
+Only a process with root privileges may create a socket
+with a privileged source port.
+.P
+The exact range of privileged source ports that can be chosen is
+set by a pair of sysctls to avoid choosing a well-known port, such as
+the port used by ssh.
+This means the number of source ports available for the NFS client,
+and therefore the number of socket connections that can be used
+at the same time,
+is practically limited to only a few hundred.
+.P
+As described above, the traditional default NFS authentication scheme,
+known as AUTH_SYS, relies on sending local UID and GID numbers to identify
+users making NFS requests.
+An NFS server assumes that if a connection comes from a privileged port,
+the UID and GID numbers in the NFS requests on this connection have been
+verified by the client's kernel or some other local authority.
+This is an easy system to spoof, but on a trusted physical network between
+trusted hosts, it is entirely adequate.
+.P
+Roughly speaking, one socket is used for each NFS mount point.
+If a client could use non-privileged source ports as well,
+the number of sockets allowed,
+and thus the maximum number of concurrent mount points,
+would be much larger.
+.P
+Using non-privileged source ports may compromise server security somewhat,
+since any user on AUTH_SYS mount points can now pretend to be any other
+when making NFS requests.
+Thus NFS servers do not support this by default.
+They explicitly allow it usually via an export option.
+.P
+To retain good security while allowing as many mount points as possible,
+it is best to allow non-privileged client connections only if the server
+and client both require strong authentication, such as Kerberos.
+.SS "Mounting through a firewall"
+A firewall may reside between an NFS client and server,
+or the client or server may block some of its own ports via IP
+filter rules.
+It is still possible to mount an NFS server through a firewall,
+though some of the
+.BR mount (8)
+command's automatic service endpoint discovery mechanisms may not work; this
+requires you to provide specific endpoint details via NFS mount options.
+.P
+NFS servers normally run a portmapper or rpcbind daemon to advertise
+their service endpoints to clients. Clients use the rpcbind daemon to determine:
+.IP
+What network port each RPC-based service is using
+.IP
+What transport protocols each RPC-based service supports
+.P
+The rpcbind daemon uses a well-known port number (111) to help clients find a service endpoint.
+Although NFS often uses a standard port number (2049),
+auxiliary services such as the NLM service can choose
+any unused port number at random.
+.P
+Common firewall configurations block the well-known rpcbind port.
+In the absense of an rpcbind service,
+the server administrator fixes the port number
+of NFS-related services so that the firewall
+can allow access to specific NFS service ports.
+Client administrators then specify the port number
+for the mountd service via the
+.BR mount (8)
+command's
+.B mountport
+option.
+It may also be necessary to enforce the use of TCP or UDP
+if the firewall blocks one of those transports.
+.SS "NFS Access Control Lists"
+Solaris allows NFS version 3 clients direct access
+to POSIX Access Control Lists stored in its local file systems.
+This proprietary sideband protocol, known as NFSACL,
+provides richer access control than mode bits.
+Linux implements this protocol
+for compatibility with the Solaris NFS implementation.
+The NFSACL protocol never became a standard part
+of the NFS version 3 specification, however.
+.P
+The NFS version 4 specification mandates a new version
+of Access Control Lists that are semantically richer than POSIX ACLs.
+NFS version 4 ACLs are not fully compatible with POSIX ACLs; as such,
+some translation between the two is required
+in an environment that mixes POSIX ACLs and NFS version 4.
+.SH "THE REMOUNT OPTION"
+Generic mount options such as
+.BR rw " and " sync
+can be modified on NFS mount points using the
+.BR remount
+option.
+See
+.BR mount (8)
+for more information on generic mount options.
+.P
+With few exceptions, NFS-specific options
+are not able to be modified during a remount.
+The underlying transport or NFS version
+cannot be changed by a remount, for example.
+.P
+Performing a remount on an NFS file system mounted with the
+.B noac
+option may have unintended consequences.
+The
+.B noac
+option is a combination of the generic option
+.BR sync ,
+and the NFS-specific option
+.BR actimeo=0 .
+.SS "Unmounting after a remount"
+For mount points that use NFS versions 2 or 3, the NFS umount subcommand
+depends on knowing the original set of mount options used to perform the
+MNT operation.
+These options are stored on disk by the NFS mount subcommand,
+and can be erased by a remount.
+.P
+To ensure that the saved mount options are not erased during a remount,
+specify either the local mount directory, or the server hostname and
+export pathname, but not both, during a remount.  For example,
+.P
+.nf
+.ta 8n
+	mount -o remount,ro /mnt
+.fi
+.P
+merges the mount option
+.B ro
+with the mount options already saved on disk for the NFS server mounted at /mnt.
+.SH FILES
+.TP 1.5i
+.I /etc/fstab
+file system table
+.TP 1.5i
+.I /etc/nfsmount.conf
+Configuration file for NFS mounts
+.SH NOTES
+Before 2.4.7, the Linux NFS client did not support NFS over TCP.
+.P
+Before 2.4.20, the Linux NFS client used a heuristic
+to determine whether cached file data was still valid
+rather than using the standard close-to-open cache coherency method
+described above.
+.P
+Starting with 2.4.22, the Linux NFS client employs
+a Van Jacobsen-based RTT estimator to determine retransmit
+timeout values when using NFS over UDP.
+.P
+Before 2.6.0, the Linux NFS client did not support NFS version 4.
+.P
+Before 2.6.8, the Linux NFS client used only synchronous reads and writes
+when the
+.BR rsize " and " wsize
+settings were smaller than the system's page size.
+.P
+The Linux client's support for protocol versions depend on whether the
+kernel was built with options CONFIG_NFS_V2, CONFIG_NFS_V3,
+CONFIG_NFS_V4, CONFIG_NFS_V4_1, and CONFIG_NFS_V4_2.
+.SH "SEE ALSO"
+.BR fstab (5),
+.BR mount (8),
+.BR umount (8),
+.BR mount.nfs (5),
+.BR umount.nfs (5),
+.BR exports (5),
+.BR nfsmount.conf (5),
+.BR netconfig (5),
+.BR ipv6 (7),
+.BR nfsd (8),
+.BR sm-notify (8),
+.BR rpc.statd (8),
+.BR rpc.idmapd (8),
+.BR rpc.gssd (8),
+.BR rpc.svcgssd (8),
+.BR kerberos (1)
+.sp
+RFC 768 for the UDP specification.
+.br
+RFC 793 for the TCP specification.
+.br
+RFC 1813 for the NFS version 3 specification.
+.br
+RFC 1832 for the XDR specification.
+.br
+RFC 1833 for the RPC bind specification.
+.br
+RFC 2203 for the RPCSEC GSS API protocol specification.
+.br
+RFC 7530 for the NFS version 4.0 specification.
+.br
+RFC 5661 for the NFS version 4.1 specification.
+.br
+RFC 7862 for the NFS version 4.2 specification.
diff --git a/utils/mount/nfs4_mount.h b/utils/mount/nfs4_mount.h
new file mode 100644
index 0000000..b03792e
--- /dev/null
+++ b/utils/mount/nfs4_mount.h
@@ -0,0 +1,73 @@
+#ifndef _LINUX_NFS4_MOUNT_H
+#define _LINUX_NFS4_MOUNT_H
+
+/*
+ *  linux/include/linux/nfs4_mount.h
+ *
+ *  Copyright (C) 2002  Trond Myklebust
+ *
+ *  structure passed from user-space to kernel-space during an nfsv4 mount
+ */
+
+/*
+ * WARNING!  Do not delete or change the order of these fields.  If
+ * a new field is required then add it to the end.  The version field
+ * tracks which fields are present.  This will ensure some measure of
+ * mount-to-kernel version compatibility.  Some of these aren't used yet
+ * but here they are anyway.
+ */
+#define NFS4_MOUNT_VERSION	1
+
+struct nfs_string {
+	unsigned int len;
+	const char* data;
+};
+
+struct nfs4_mount_data {
+	int version;				/* 1 */
+	int flags;				/* 1 */
+	int rsize;				/* 1 */
+	int wsize;				/* 1 */
+	int timeo;				/* 1 */
+	int retrans;				/* 1 */
+	int acregmin;				/* 1 */
+	int acregmax;				/* 1 */
+	int acdirmin;				/* 1 */
+	int acdirmax;				/* 1 */
+
+	/* see the definition of 'struct clientaddr4' in RFC3010 */
+	struct nfs_string client_addr;		/* 1 */
+
+	/* Mount path */
+	struct nfs_string mnt_path;		/* 1 */
+
+	/* Server details */
+	struct nfs_string hostname;		/* 1 */
+	/* Server IP address */
+	unsigned int host_addrlen;		/* 1 */
+	struct sockaddr* host_addr;		/* 1 */
+
+	/* Transport protocol to use */
+	int proto;				/* 1 */
+
+	/* Pseudo-flavours to use for authentication. See RFC2623 */
+	int auth_flavourlen;			/* 1 */
+	int *auth_flavours;			/* 1 */
+};
+
+/* bits in the flags field */
+/* Note: the fields that correspond to existing NFSv2/v3 mount options
+ * 	 should mirror the values from include/linux/nfs_mount.h
+ */
+
+#define NFS4_MOUNT_SOFT		0x0001	/* 1 */
+#define NFS4_MOUNT_INTR		0x0002	/* 1 */
+#define NFS4_MOUNT_NOCTO	0x0010	/* 1 */
+#define NFS4_MOUNT_NOAC		0x0020	/* 1 */
+#define NFS4_MOUNT_STRICTLOCK	0x1000	/* 1 */
+#define NFS4_MOUNT_UNSHARED	0x8000	/* 5 */
+#define NFS4_MOUNT_FLAGMASK	0xFFFF
+
+int nfs4mount(const char *, const char *, int, char **, int, int);
+
+#endif
diff --git a/utils/mount/nfs4mount.c b/utils/mount/nfs4mount.c
new file mode 100644
index 0000000..3e4f1e2
--- /dev/null
+++ b/utils/mount/nfs4mount.c
@@ -0,0 +1,481 @@
+/*
+ * nfs4mount.c -- Linux NFS mount
+ * Copyright (C) 2002 Trond Myklebust <trond.myklebust@fys.uio.no>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Note: this file based on the original nfsmount.c
+ *
+ * 2006-06-06 Amit Gud <agud@redhat.com>
+ * - Moved to nfs-utils/utils/mount from util-linux/mount.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <netdb.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/mount.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <rpc/auth.h>
+#include <rpc/rpc.h>
+
+#ifdef HAVE_RPCSVC_NFS_PROT_H
+#include <rpcsvc/nfs_prot.h>
+#else
+#include <linux/nfs.h>
+#define nfsstat nfs_stat
+#endif
+
+#include "pseudoflavors.h"
+#include "nls.h"
+#include "xcommon.h"
+
+#include "mount.h"
+#include "mount_constants.h"
+#include "nfs4_mount.h"
+#include "nfs_mount.h"
+#include "error.h"
+#include "network.h"
+
+#if defined(VAR_LOCK_DIR)
+#define DEFAULT_DIR VAR_LOCK_DIR
+#else
+#define DEFAULT_DIR "/var/lock/subsys"
+#endif
+
+extern char *progname;
+extern int verbose;
+extern int sloppy;
+
+char *IDMAPLCK = DEFAULT_DIR "/rpcidmapd";
+#define idmapd_check() do { \
+	if (access(IDMAPLCK, F_OK)) { \
+		printf(_("Warning: rpc.idmapd appears not to be running.\n" \
+			"         All uids will be mapped to the nobody uid.\n")); \
+	} \
+} while(0);
+
+char *GSSDLCK = DEFAULT_DIR "/rpcgssd";
+#define gssd_check() do { \
+		if (access(GSSDLCK, F_OK)) { \
+			printf(_("Warning: rpc.gssd appears not to be running.\n")); \
+		} \
+} while(0);
+
+#ifndef NFS_PORT
+#define NFS_PORT 2049
+#endif
+
+#define MAX_USER_FLAVOUR	16
+
+static int parse_sec(char *sec, int *pseudoflavour)
+{
+	int i, num_flavour = 0;
+
+	for (sec = strtok(sec, ":"); sec; sec = strtok(NULL, ":")) {
+		if (num_flavour >= MAX_USER_FLAVOUR) {
+			nfs_error(_("%s: maximum number of security flavors "
+				  "exceeded"), progname);
+			return 0;
+		}
+		for (i = 0; i < flav_map_size; i++) {
+			if (strcmp(sec, flav_map[i].flavour) == 0) {
+				pseudoflavour[num_flavour++] = flav_map[i].fnum;
+				break;
+			}
+		}
+		if (i == flav_map_size) {
+			nfs_error(_("%s: unknown security type %s\n"),
+					progname, sec);
+			return 0;
+		}
+	}
+	if (!num_flavour)
+		nfs_error(_("%s: no security flavors passed to sec= option"),
+				progname);
+	return num_flavour;
+}
+
+static int parse_devname(char *hostdir, char **hostname, char **dirname)
+{
+	char *s;
+
+	if (!(s = strchr(hostdir, ':'))) {
+		nfs_error(_("%s: directory to mount not in host:dir format"),
+				progname);
+		return -1;
+	}
+	*hostname = hostdir;
+	*dirname = s + 1;
+	*s = '\0';
+	/* Ignore all but first hostname in replicated mounts
+	   until they can be fully supported. (mack@sgi.com) */
+	if ((s = strchr(hostdir, ','))) {
+		*s = '\0';
+		nfs_error(_("%s: warning: multiple hostnames not supported"),
+				progname);
+	}
+	return 0;
+}
+
+static int fill_ipv4_sockaddr(const char *hostname, struct sockaddr_in *addr)
+{
+	struct hostent *hp;
+	addr->sin_family = AF_INET;
+
+	if (inet_aton(hostname, &addr->sin_addr))
+		return 0;
+	if ((hp = gethostbyname(hostname)) == NULL) {
+		nfs_error(_("%s: can't get address for %s\n"),
+				progname, hostname);
+		return -1;
+	}
+	if (hp->h_length > (int)sizeof(struct in_addr)) {
+		nfs_error(_("%s: got bad hp->h_length"), progname);
+		hp->h_length = sizeof(struct in_addr);
+	}
+	memcpy(&addr->sin_addr, hp->h_addr, hp->h_length);
+	return 0;
+}
+
+static int get_my_ipv4addr(char *ip_addr, int len)
+{
+	char myname[1024];
+	struct sockaddr_in myaddr;
+
+	if (gethostname(myname, sizeof(myname))) {
+		nfs_error(_("%s: can't determine client address\n"),
+				progname);
+		return -1;
+	}
+	if (fill_ipv4_sockaddr(myname, &myaddr))
+		return -1;
+	snprintf(ip_addr, len, "%s", inet_ntoa(myaddr.sin_addr));
+	ip_addr[len-1] = '\0';
+	return 0;
+}
+
+int nfs4mount(const char *spec, const char *node, int flags,
+	      char **extra_opts, int fake, int running_bg)
+{
+	static struct nfs4_mount_data data;
+	static char hostdir[1024];
+	static char ip_addr[16] = "127.0.0.1";
+	static struct sockaddr_in server_addr, client_addr;
+	static int pseudoflavour[MAX_USER_FLAVOUR];
+	int num_flavour = 0;
+	int ip_addr_in_opts = 0;
+
+	char *hostname, *dirname, *old_opts;
+	char new_opts[1024];
+	char *opt, *opteq;
+	char *s;
+	int val;
+	int bg, soft, intr;
+	int nocto, noac, unshared;
+	int retry;
+	int retval = EX_FAIL;
+	time_t timeout, t;
+
+	if (strlen(spec) >= sizeof(hostdir)) {
+		nfs_error(_("%s: excessively long host:dir argument\n"),
+				progname);
+		goto fail;
+	}
+	strcpy(hostdir, spec);
+	if (parse_devname(hostdir, &hostname, &dirname))
+		goto fail;
+
+	if (fill_ipv4_sockaddr(hostname, &server_addr))
+		goto fail;
+	if (get_my_ipv4addr(ip_addr, sizeof(ip_addr)))
+		goto fail;
+
+	/* add IP address to mtab options for use when unmounting */
+	s = inet_ntoa(server_addr.sin_addr);
+	old_opts = *extra_opts;
+	if (!old_opts)
+		old_opts = "";
+	if (strlen(old_opts) + strlen(s) + 10 >= sizeof(new_opts)) {
+		nfs_error(_("%s: excessively long option argument\n"),
+				progname);
+		goto fail;
+	}
+	if (running_bg)
+		strncpy(new_opts, old_opts, sizeof(new_opts)-1);
+	else
+		snprintf(new_opts, sizeof(new_opts), "%s%saddr=%s",
+			 old_opts, *old_opts ? "," : "", s);
+	*extra_opts = xstrdup(new_opts);
+
+	/* Set default options.
+	 * rsize/wsize and timeo are left 0 in order to
+	 * let the kernel decide.
+	 */
+	memset(&data, 0, sizeof(data));
+	data.retrans	= 3;
+	data.acregmin	= 3;
+	data.acregmax	= 60;
+	data.acdirmin	= 30;
+	data.acdirmax	= 60;
+	data.proto	= IPPROTO_TCP;
+
+	bg = 0;
+	soft = 0;
+	intr = NFS4_MOUNT_INTR;
+	nocto = 0;
+	noac = 0;
+	unshared = 0;
+	retry = -1;
+
+	/*
+	 * NFSv4 specifies that the default port should be 2049
+	 */
+	server_addr.sin_port = htons(NFS_PORT);
+
+	/* parse options */
+
+	for (opt = strtok(old_opts, ","); opt; opt = strtok(NULL, ",")) {
+		if ((opteq = strchr(opt, '='))) {
+			val = atoi(opteq + 1);	
+			*opteq = '\0';
+			if (!strcmp(opt, "rsize"))
+				data.rsize = val;
+			else if (!strcmp(opt, "wsize"))
+				data.wsize = val;
+			else if (!strcmp(opt, "timeo"))
+				data.timeo = val;
+			else if (!strcmp(opt, "retrans"))
+				data.retrans = val;
+			else if (!strcmp(opt, "acregmin"))
+				data.acregmin = val;
+			else if (!strcmp(opt, "acregmax"))
+				data.acregmax = val;
+			else if (!strcmp(opt, "acdirmin"))
+				data.acdirmin = val;
+			else if (!strcmp(opt, "acdirmax"))
+				data.acdirmax = val;
+			else if (!strcmp(opt, "actimeo")) {
+				data.acregmin = val;
+				data.acregmax = val;
+				data.acdirmin = val;
+				data.acdirmax = val;
+			}
+			else if (!strcmp(opt, "retry"))
+				retry = val;
+			else if (!strcmp(opt, "port"))
+				server_addr.sin_port = htons(val);
+			else if (!strcmp(opt, "proto")) {
+				if (!strncmp(opteq+1, "tcp", 3))
+					data.proto = IPPROTO_TCP;
+				else if (!strncmp(opteq+1, "udp", 3))
+					data.proto = IPPROTO_UDP;
+				else
+					printf(_("Warning: Unrecognized proto= option.\n"));
+			} else if (!strcmp(opt, "clientaddr")) {
+				if (strlen(opteq+1) >= sizeof(ip_addr))
+					printf(_("Invalid client address %s"),
+								opteq+1);
+				strncpy(ip_addr,opteq+1, sizeof(ip_addr));
+				ip_addr[sizeof(ip_addr)-1] = '\0';
+				ip_addr_in_opts = 1;
+			} else if (!strcmp(opt, "sec")) {
+				num_flavour = parse_sec(opteq+1, pseudoflavour);
+				if (!num_flavour)
+					goto fail;
+			} else if (!strcmp(opt, "addr") || sloppy) {
+				/* ignore */;
+			} else {
+				printf(_("unknown nfs mount parameter: "
+					 "%s=%d\n"), opt, val);
+				goto fail;
+			}
+		} else {
+			val = 1;
+			if (!strncmp(opt, "no", 2)) {
+				val = 0;
+				opt += 2;
+			}
+			if (!strcmp(opt, "bg"))
+				bg = val;
+			else if (!strcmp(opt, "fg"))
+				bg = !val;
+			else if (!strcmp(opt, "soft"))
+				soft = val;
+			else if (!strcmp(opt, "hard"))
+				soft = !val;
+			else if (!strcmp(opt, "intr"))
+				intr = val;
+			else if (!strcmp(opt, "cto"))
+				nocto = !val;
+			else if (!strcmp(opt, "ac"))
+				noac = !val;
+			else if (!strcmp(opt, "sharecache"))
+				unshared = !val;
+			else if (!sloppy) {
+				printf(_("unknown nfs mount option: %s%s\n"),
+						val ? "" : "no", opt);
+				goto fail;
+			}
+		}
+	}
+
+	/* if retry is still -1, then it wasn't set via an option */
+	if (retry == -1) {
+		if (bg)
+			retry = 10000;	/* 10000 mins == ~1 week */
+		else
+			retry = 2;	/* 2 min default on fg mounts */
+	}
+
+	data.flags = (soft ? NFS4_MOUNT_SOFT : 0)
+		| (intr ? NFS4_MOUNT_INTR : 0)
+		| (nocto ? NFS4_MOUNT_NOCTO : 0)
+		| (noac ? NFS4_MOUNT_NOAC : 0)
+		| (unshared ? NFS4_MOUNT_UNSHARED : 0);
+
+	/*
+	 * Give a warning if the rpc.idmapd daemon is not running
+	 */
+#if 0
+	/* We shouldn't have these checks as nothing in this package
+	 * creates the files that are checked
+	 */
+	idmapd_check();
+
+	if (num_flavour == 0)
+		pseudoflavour[num_flavour++] = AUTH_UNIX;
+	else {
+		/*
+		 * ditto with rpc.gssd daemon
+		 */
+		gssd_check();
+	}
+#endif
+	data.auth_flavourlen = num_flavour;
+	data.auth_flavours = pseudoflavour;
+
+	data.client_addr.data = ip_addr;
+	data.client_addr.len = strlen(ip_addr);
+
+	data.mnt_path.data = dirname;
+	data.mnt_path.len = strlen(dirname);
+
+	data.hostname.data = hostname;
+	data.hostname.len = strlen(hostname);
+	data.host_addr = (struct sockaddr *)&server_addr;
+	data.host_addrlen = sizeof(server_addr);
+
+#ifdef NFS_MOUNT_DEBUG
+	printf(_("rsize = %d, wsize = %d, timeo = %d, retrans = %d\n"),
+	       data.rsize, data.wsize, data.timeo, data.retrans);
+	printf(_("acreg (min, max) = (%d, %d), acdir (min, max) = (%d, %d)\n"),
+	       data.acregmin, data.acregmax, data.acdirmin, data.acdirmax);
+	printf(_("port = %d, bg = %d, retry = %d, flags = %.8x\n"),
+	       ntohs(server_addr.sin_port), bg, retry, data.flags);
+	printf(_("soft = %d, intr = %d, nocto = %d, noac = %d, "
+	       "nosharecache = %d\n"),
+	       (data.flags & NFS4_MOUNT_SOFT) != 0,
+	       (data.flags & NFS4_MOUNT_INTR) != 0,
+	       (data.flags & NFS4_MOUNT_NOCTO) != 0,
+	       (data.flags & NFS4_MOUNT_NOAC) != 0,
+	       (data.flags & NFS4_MOUNT_UNSHARED) != 0);
+
+	if (num_flavour > 0) {
+		int pf_cnt, i;
+
+		printf(_("sec = "));
+		for (pf_cnt = 0; pf_cnt < num_flavour; pf_cnt++) {
+			for (i = 0; i < flav_map_size; i++) {
+				if (flav_map[i].fnum == pseudoflavour[pf_cnt]) {
+					printf("%s", flav_map[i].flavour);
+					break;
+				}
+			}
+			printf("%s", (pf_cnt < num_flavour-1) ? ":" : "\n");
+		}
+	}
+	printf(_("proto = %s\n"), (data.proto == IPPROTO_TCP) ? _("tcp") : _("udp"));
+#endif
+
+	timeout = time(NULL) + 60 * retry;
+	data.version = NFS4_MOUNT_VERSION;
+	for (;;) {
+		if (verbose) {
+			printf(_("%s: pinging: prog %d vers %d prot %s port %d\n"),
+				progname, NFS_PROGRAM, 4,
+				data.proto == IPPROTO_UDP ? "udp" : "tcp",
+				ntohs(server_addr.sin_port));
+		}
+		client_addr.sin_family = 0;
+		client_addr.sin_addr.s_addr = 0;
+		clnt_ping(&server_addr, NFS_PROGRAM, 4, data.proto, &client_addr);
+		if (rpc_createerr.cf_stat == RPC_SUCCESS) {
+			if (!ip_addr_in_opts &&
+			    client_addr.sin_family != 0 &&
+			    client_addr.sin_addr.s_addr != 0) {
+				snprintf(ip_addr, sizeof(ip_addr), "%s",
+					 inet_ntoa(client_addr.sin_addr));
+				data.client_addr.len = strlen(ip_addr);
+			}
+			break;
+		}
+
+		if (!bg) {
+			switch(rpc_createerr.cf_stat) {
+			case RPC_TIMEDOUT:
+				break;
+			case RPC_SYSTEMERROR:
+				if (errno == ETIMEDOUT)
+					break;
+				/* FALLTHRU */
+			default:
+				rpc_mount_errors(hostname, 0, bg);
+				goto fail;
+			}
+		}
+
+		if (bg && !running_bg) {
+			if (retry > 0)
+				retval = EX_BG;
+			goto fail;
+		}
+
+		t = time(NULL);
+		if (t >= timeout) {
+			rpc_mount_errors(hostname, 0, bg);
+			goto fail;
+		}
+		rpc_mount_errors(hostname, 1, bg);
+		continue;
+	}
+
+	if (!fake) {
+		if (mount(spec, node, "nfs4",
+				flags & ~(MS_USER|MS_USERS), &data)) {
+			mount_error(spec, node, errno);
+			goto fail;
+		}
+	}
+
+	return EX_SUCCESS;
+
+fail:
+	return retval;
+}
diff --git a/utils/mount/nfs_mount.h b/utils/mount/nfs_mount.h
new file mode 100644
index 0000000..ec30c9b
--- /dev/null
+++ b/utils/mount/nfs_mount.h
@@ -0,0 +1,83 @@
+/*
+ * We want to be able to compile mount on old kernels in such a way
+ * that the binary will work well on more recent kernels.
+ * Thus, if necessary we teach nfsmount.c the structure of new fields
+ * that will come later.
+ *
+ * Moreover, the new kernel includes conflict with glibc includes
+ * so it is easiest to ignore the kernel altogether (at compile time).
+ */
+
+#ifndef _NFS_UTILS_MOUNT_NFS_MOUNT_H
+#define _NFS_UTILS_MOUNT_NFS_MOUNT_H
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#define NFS_MOUNT_VERSION	6
+#define NFS_MAX_CONTEXT_LEN	256
+
+struct nfs2_fh {
+        char                    data[32];
+};
+struct nfs3_fh {
+        unsigned short          size;
+        unsigned char           data[64];
+};
+
+struct nfs_mount_data {
+	int		version;		/* 1 */
+	int		fd;			/* 1 */
+	struct nfs2_fh	old_root;		/* 1 */
+	int		flags;			/* 1 */
+	int		rsize;			/* 1 */
+	int		wsize;			/* 1 */
+	int		timeo;			/* 1 */
+	int		retrans;		/* 1 */
+	int		acregmin;		/* 1 */
+	int		acregmax;		/* 1 */
+	int		acdirmin;		/* 1 */
+	int		acdirmax;		/* 1 */
+	struct sockaddr_in addr;		/* 1 */
+	char		hostname[256];		/* 1 */
+	int		namlen;			/* 2 */
+	unsigned int	bsize;			/* 3 */
+	struct nfs3_fh	root;			/* 4 */
+	int		pseudoflavor;		/* 5 */
+	char    context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */
+
+};
+
+/* bits in the flags field */
+
+#define NFS_MOUNT_SOFT		0x0001	/* 1 */
+#define NFS_MOUNT_INTR		0x0002	/* 1 */
+#define NFS_MOUNT_SECURE	0x0004	/* 1 */
+#define NFS_MOUNT_POSIX		0x0008	/* 1 */
+#define NFS_MOUNT_NOCTO		0x0010	/* 1 */
+#define NFS_MOUNT_NOAC		0x0020	/* 1 */
+#define NFS_MOUNT_TCP		0x0040	/* 2 */
+#define NFS_MOUNT_VER3		0x0080	/* 3 */
+#define NFS_MOUNT_KERBEROS	0x0100	/* 3 */
+#define NFS_MOUNT_NONLM		0x0200	/* 3 */
+#define NFS_MOUNT_BROKEN_SUID	0x0400	/* 4 */
+#define NFS_MOUNT_NOACL     0x0800  /* 4 */
+#define NFS_MOUNT_SECFLAVOUR	0x2000	/* 5 */
+#define NFS_MOUNT_NORDIRPLUS	0x4000	/* 5 */
+#define NFS_MOUNT_UNSHARED	0x8000	/* 5 */
+
+/* security pseudoflavors */
+
+#ifndef AUTH_GSS_KRB5
+#define AUTH_GSS_KRB5		390003
+#define AUTH_GSS_KRB5I		390004
+#define AUTH_GSS_KRB5P		390005
+#define AUTH_GSS_LKEY		390006
+#define AUTH_GSS_LKEYI		390007
+#define AUTH_GSS_LKEYP		390008
+#endif
+
+int	nfsmount(const char *, const char *, int , char **, int, int);
+int	nfsumount(int, char **);
+
+#endif	/* _NFS_UTILS_MOUNT_NFS_MOUNT_H */
diff --git a/utils/mount/nfsmount.c b/utils/mount/nfsmount.c
new file mode 100644
index 0000000..3d95da9
--- /dev/null
+++ b/utils/mount/nfsmount.c
@@ -0,0 +1,873 @@
+/*
+ * nfsmount.c -- Linux NFS mount
+ * Copyright (C) 1993 Rick Sladkey <jrs@world.std.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Wed Feb  8 12:51:48 1995, biro@yggdrasil.com (Ross Biro): allow all port
+ * numbers to be specified on the command line.
+ *
+ * Fri, 8 Mar 1996 18:01:39, Swen Thuemmler <swen@uni-paderborn.de>:
+ * Omit the call to connect() for Linux version 1.3.11 or later.
+ *
+ * Wed Oct  1 23:55:28 1997: Dick Streefland <dick_streefland@tasking.com>
+ * Implemented the "bg", "fg" and "retry" mount options for NFS.
+ *
+ * 1999-02-22 Arkadiusz Miskiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ *
+ * Modified by Olaf Kirch and Trond Myklebust for new NFS code,
+ * plus NFSv3 stuff.
+ *
+ * 2006-06-06 Amit Gud <agud@redhat.com>
+ * - Moved with modifcations to nfs-utils/utils/mount from util-linux/mount.
+ */
+
+/*
+ * nfsmount.c,v 1.1.1.1 1993/11/18 08:40:51 jrs Exp
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <netdb.h>
+#include <time.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <rpc/pmap_clnt.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <mntent.h>
+#include <sys/mount.h>
+#include <paths.h>
+#include <syslog.h>
+
+#include "xcommon.h"
+#include "mount.h"
+#include "nfs_mount.h"
+#include "mount_constants.h"
+#include "nls.h"
+#include "error.h"
+#include "network.h"
+#include "version.h"
+
+#ifdef HAVE_RPCSVC_NFS_PROT_H
+#include <rpcsvc/nfs_prot.h>
+#else
+#include <linux/nfs.h>
+#define nfsstat nfs_stat
+#endif
+
+#ifndef NFS_PORT
+#define NFS_PORT 2049
+#endif
+#ifndef NFS_FHSIZE
+#define NFS_FHSIZE 32
+#endif
+
+#ifndef HAVE_INET_ATON
+#define inet_aton(a,b) (0)
+#endif
+
+typedef dirpath mnt2arg_t;
+typedef dirpath mnt3arg_t;
+typedef dirpath mntarg_t;
+
+typedef struct fhstatus  mnt2res_t;
+typedef struct mountres3 mnt3res_t;
+typedef union {
+	mnt2res_t nfsv2;
+	mnt3res_t nfsv3;
+} mntres_t;
+
+extern int nfs_mount_data_version;
+extern char *progname;
+extern int verbose;
+extern int sloppy;
+
+static inline enum clnt_stat
+nfs3_mount(CLIENT *clnt, mnt3arg_t *mnt3arg, mnt3res_t *mnt3res)
+{
+	return clnt_call(clnt, MOUNTPROC3_MNT,
+			 (xdrproc_t) xdr_dirpath, (caddr_t) mnt3arg,
+			 (xdrproc_t) xdr_mountres3, (caddr_t) mnt3res,
+			 TIMEOUT);
+}
+
+static inline enum clnt_stat
+nfs2_mount(CLIENT *clnt, mnt2arg_t *mnt2arg, mnt2res_t *mnt2res)
+{
+	return clnt_call(clnt, MOUNTPROC_MNT,
+			 (xdrproc_t) xdr_dirpath, (caddr_t) mnt2arg,
+			 (xdrproc_t) xdr_fhstatus, (caddr_t) mnt2res,
+			 TIMEOUT);
+}
+
+static int
+nfs_call_mount(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server,
+	       mntarg_t *mntarg, mntres_t *mntres)
+{
+	CLIENT *clnt;
+	enum clnt_stat stat;
+	int msock;
+
+	if (!probe_bothports(mnt_server, nfs_server))
+		goto out_bad;
+
+	clnt = mnt_openclnt(mnt_server, &msock);
+	if (!clnt)
+		goto out_bad;
+	/* make pointers in xdr_mountres3 NULL so
+	 * that xdr_array allocates memory for us
+	 */
+	memset(mntres, 0, sizeof(*mntres));
+	switch (mnt_server->pmap.pm_vers) {
+	case 3:
+		stat = nfs3_mount(clnt, mntarg, &mntres->nfsv3);
+		break;
+	case 2:
+	case 1:
+		stat = nfs2_mount(clnt, mntarg, &mntres->nfsv2);
+		break;
+	default:
+		goto out_bad;
+	}
+	if (stat != RPC_SUCCESS) {
+		clnt_geterr(clnt, &rpc_createerr.cf_error);
+		rpc_createerr.cf_stat = stat;
+	}
+	mnt_closeclnt(clnt, msock);
+	if (stat == RPC_SUCCESS)
+		return 1;
+ out_bad:
+	return 0;
+}
+
+static int
+parse_options(char *old_opts, struct nfs_mount_data *data,
+	      int *bg, int *retry, clnt_addr_t *mnt_server,
+	      clnt_addr_t *nfs_server, char *new_opts, const int opt_size)
+{
+	struct sockaddr_in *mnt_saddr = &mnt_server->saddr;
+	struct pmap *mnt_pmap = &mnt_server->pmap;
+	struct pmap *nfs_pmap = &nfs_server->pmap;
+	int len;
+	char *opt, *opteq, *p, *opt_b, *tmp_opts;
+	char *mounthost = NULL;
+	char cbuf[128];
+	int open_quote = 0;
+
+	data->flags = 0;
+	*bg = 0;
+
+	len = strlen(new_opts);
+	tmp_opts = xstrdup(old_opts);
+	for (p=tmp_opts, opt_b=NULL; p && *p; p++) {
+		if (!opt_b)
+			opt_b = p;		/* begin of the option item */
+		if (*p == '"')
+			open_quote ^= 1;	/* reverse the status */
+		if (open_quote)
+			continue;		/* still in a quoted block */
+		if (*p == ',')
+			*p = '\0';		/* terminate the option item */
+		if (*p == '\0' || *(p+1) == '\0') {
+			opt = opt_b;		/* opt is useful now */
+			opt_b = NULL;
+		}
+		else
+			continue;		/* still somewhere in the option item */
+
+		if (strlen(opt) >= sizeof(cbuf))
+			goto bad_parameter;
+		if ((opteq = strchr(opt, '=')) && isdigit(opteq[1])) {
+			int val = atoi(opteq + 1);	
+			*opteq = '\0';
+			if (!strcmp(opt, "rsize"))
+				data->rsize = val;
+			else if (!strcmp(opt, "wsize"))
+				data->wsize = val;
+			else if (!strcmp(opt, "timeo"))
+				data->timeo = val;
+			else if (!strcmp(opt, "retrans"))
+				data->retrans = val;
+			else if (!strcmp(opt, "acregmin"))
+				data->acregmin = val;
+			else if (!strcmp(opt, "acregmax"))
+				data->acregmax = val;
+			else if (!strcmp(opt, "acdirmin"))
+				data->acdirmin = val;
+			else if (!strcmp(opt, "acdirmax"))
+				data->acdirmax = val;
+			else if (!strcmp(opt, "actimeo")) {
+				data->acregmin = val;
+				data->acregmax = val;
+				data->acdirmin = val;
+				data->acdirmax = val;
+			}
+			else if (!strcmp(opt, "retry"))
+				*retry = val;
+			else if (!strcmp(opt, "port"))
+				nfs_pmap->pm_port = val;
+			else if (!strcmp(opt, "mountport"))
+			        mnt_pmap->pm_port = val;
+			else if (!strcmp(opt, "mountprog"))
+				mnt_pmap->pm_prog = val;
+			else if (!strcmp(opt, "mountvers"))
+				mnt_pmap->pm_vers = val;
+			else if (!strcmp(opt, "mounthost"))
+				mounthost=xstrndup(opteq+1, strcspn(opteq+1," \t\n\r,"));
+			else if (!strcmp(opt, "nfsprog"))
+				nfs_pmap->pm_prog = val;
+			else if (!strcmp(opt, "nfsvers") ||
+				 !strcmp(opt, "vers")) {
+				nfs_pmap->pm_vers = val;
+				opt = "nfsvers";
+#if NFS_MOUNT_VERSION >= 2
+			} else if (!strcmp(opt, "namlen")) {
+				if (nfs_mount_data_version >= 2)
+					data->namlen = val;
+				else if (sloppy)
+					continue;
+				else
+					goto bad_parameter;
+#endif
+			} else if (!strcmp(opt, "addr")) {
+				/* ignore */;
+				continue;
+ 			} else if (sloppy)
+				continue;
+			else
+				goto bad_parameter;
+			sprintf(cbuf, "%s=%s,", opt, opteq+1);
+		} else if (opteq) {
+			*opteq = '\0';
+			if (!strcmp(opt, "proto")) {
+				if (!strcmp(opteq+1, "udp")) {
+					nfs_pmap->pm_prot = IPPROTO_UDP;
+					mnt_pmap->pm_prot = IPPROTO_UDP;
+#if NFS_MOUNT_VERSION >= 2
+					data->flags &= ~NFS_MOUNT_TCP;
+				} else if (!strcmp(opteq+1, "tcp") &&
+					   nfs_mount_data_version > 2) {
+					nfs_pmap->pm_prot = IPPROTO_TCP;
+					mnt_pmap->pm_prot = IPPROTO_TCP;
+					data->flags |= NFS_MOUNT_TCP;
+#endif
+				} else if (sloppy)
+					continue;
+				else
+					goto bad_parameter;
+#if NFS_MOUNT_VERSION >= 5
+			} else if (!strcmp(opt, "sec")) {
+				char *secflavor = opteq+1;
+				/* see RFC 2623 */
+				if (nfs_mount_data_version < 5) {
+					printf(_("Warning: ignoring sec=%s option\n"),
+							secflavor);
+					continue;
+				} else if (!strcmp(secflavor, "none"))
+					data->pseudoflavor = AUTH_NONE;
+				else if (!strcmp(secflavor, "sys"))
+					data->pseudoflavor = AUTH_SYS;
+				else if (!strcmp(secflavor, "krb5"))
+					data->pseudoflavor = AUTH_GSS_KRB5;
+				else if (!strcmp(secflavor, "krb5i"))
+					data->pseudoflavor = AUTH_GSS_KRB5I;
+				else if (!strcmp(secflavor, "krb5p"))
+					data->pseudoflavor = AUTH_GSS_KRB5P;
+				else if (sloppy)
+					continue;
+				else {
+					printf(_("Warning: Unrecognized security flavor %s.\n"),
+						secflavor);
+					goto bad_parameter;
+				}
+				data->flags |= NFS_MOUNT_SECFLAVOUR;
+#endif
+			} else if (!strcmp(opt, "mounthost"))
+			        mounthost=xstrndup(opteq+1,
+						   strcspn(opteq+1," \t\n\r,"));
+			 else if (!strcmp(opt, "context")) {
+				char *context = opteq + 1;
+				int ctxlen = strlen(context);
+
+				if (ctxlen > NFS_MAX_CONTEXT_LEN) {
+					nfs_error(_("context parameter exceeds"
+							" limit of %d"),
+							NFS_MAX_CONTEXT_LEN);
+					goto bad_parameter;
+				}
+				/* The context string is in the format of
+				 * "system_u:object_r:...".  We only want
+				 * the context str between the quotes.
+				 */
+				if (*context == '"')
+					strncpy(data->context, context+1,
+							ctxlen-2);
+				else
+					strncpy(data->context, context,
+							NFS_MAX_CONTEXT_LEN);
+ 			} else if (sloppy)
+				continue;
+			else
+				goto bad_parameter;
+			sprintf(cbuf, "%s=%s,", opt, opteq+1);
+		} else {
+			int val = 1;
+			if (!strncmp(opt, "no", 2)) {
+				val = 0;
+				opt += 2;
+			}
+			if (!strcmp(opt, "bg"))
+				*bg = val;
+			else if (!strcmp(opt, "fg"))
+				*bg = !val;
+			else if (!strcmp(opt, "soft")) {
+				data->flags &= ~NFS_MOUNT_SOFT;
+				if (val)
+					data->flags |= NFS_MOUNT_SOFT;
+			} else if (!strcmp(opt, "hard")) {
+				data->flags &= ~NFS_MOUNT_SOFT;
+				if (!val)
+					data->flags |= NFS_MOUNT_SOFT;
+			} else if (!strcmp(opt, "intr")) {
+				data->flags &= ~NFS_MOUNT_INTR;
+				if (val)
+					data->flags |= NFS_MOUNT_INTR;
+			} else if (!strcmp(opt, "posix")) {
+				data->flags &= ~NFS_MOUNT_POSIX;
+				if (val)
+					data->flags |= NFS_MOUNT_POSIX;
+			} else if (!strcmp(opt, "cto")) {
+				data->flags &= ~NFS_MOUNT_NOCTO;
+				if (!val)
+					data->flags |= NFS_MOUNT_NOCTO;
+			} else if (!strcmp(opt, "ac")) {
+				data->flags &= ~NFS_MOUNT_NOAC;
+				if (!val)
+					data->flags |= NFS_MOUNT_NOAC;
+#if NFS_MOUNT_VERSION >= 2
+			} else if (!strcmp(opt, "tcp")) {
+				data->flags &= ~NFS_MOUNT_TCP;
+				if (val) {
+					if (nfs_mount_data_version < 2)
+						goto bad_option;
+					nfs_pmap->pm_prot = IPPROTO_TCP;
+					mnt_pmap->pm_prot = IPPROTO_TCP;
+					data->flags |= NFS_MOUNT_TCP;
+				} else {
+					mnt_pmap->pm_prot = IPPROTO_UDP;
+					nfs_pmap->pm_prot = IPPROTO_UDP;
+				}
+			} else if (!strcmp(opt, "udp")) {
+				data->flags &= ~NFS_MOUNT_TCP;
+				if (!val) {
+					if (nfs_mount_data_version < 2)
+						goto bad_option;
+					nfs_pmap->pm_prot = IPPROTO_TCP;
+					mnt_pmap->pm_prot = IPPROTO_TCP;
+					data->flags |= NFS_MOUNT_TCP;
+				} else {
+					nfs_pmap->pm_prot = IPPROTO_UDP;
+					mnt_pmap->pm_prot = IPPROTO_UDP;
+				}
+#endif
+#if NFS_MOUNT_VERSION >= 3
+			} else if (!strcmp(opt, "lock")) {
+				data->flags &= ~NFS_MOUNT_NONLM;
+				if (!val) {
+					if (nfs_mount_data_version < 3)
+						goto bad_option;
+					data->flags |= NFS_MOUNT_NONLM;
+				}
+#endif
+#if NFS_MOUNT_VERSION >= 4
+			} else if (!strcmp(opt, "broken_suid")) {
+				data->flags &= ~NFS_MOUNT_BROKEN_SUID;
+				if (val) {
+					if (nfs_mount_data_version < 4)
+						goto bad_option;
+					data->flags |= NFS_MOUNT_BROKEN_SUID;
+				}
+			} else if (!strcmp(opt, "acl")) {
+				data->flags &= ~NFS_MOUNT_NOACL;
+				if (!val)
+					data->flags |= NFS_MOUNT_NOACL;
+			} else if (!strcmp(opt, "rdirplus")) {
+				data->flags &= ~NFS_MOUNT_NORDIRPLUS;
+				if (!val)
+					data->flags |= NFS_MOUNT_NORDIRPLUS;
+			} else if (!strcmp(opt, "sharecache")) {
+				data->flags &= ~NFS_MOUNT_UNSHARED;
+				if (!val)
+					data->flags |= NFS_MOUNT_UNSHARED;
+#endif
+			} else {
+			bad_option:
+				if (sloppy)
+					continue;
+				nfs_error(_("%s: Unsupported nfs mount option:"
+						" %s%s"), progname,
+						val ? "" : "no", opt);
+				goto out_bad;
+			}
+			sprintf(cbuf, val ? "%s," : "no%s,", opt);
+		}
+		len += strlen(cbuf);
+		if (len >= opt_size) {
+			nfs_error(_("%s: excessively long option argument"),
+					progname);
+			goto out_bad;
+		}
+		strcat(new_opts, cbuf);
+	}
+	/* See if the nfs host = mount host. */
+	if (mounthost) {
+		if (!nfs_gethostbyname(mounthost, mnt_saddr))
+			goto out_bad;
+		*mnt_server->hostname = mounthost;
+	}
+	free(tmp_opts);
+	return 1;
+ bad_parameter:
+	nfs_error(_("%s: Bad nfs mount parameter: %s\n"), progname, opt);
+ out_bad:
+	free(tmp_opts);
+	free(mounthost);
+	return 0;
+}
+
+static int nfsmnt_check_compat(const struct pmap *nfs_pmap,
+				const struct pmap *mnt_pmap)
+{
+	unsigned int max_nfs_vers = (nfs_mount_data_version >= 4) ? 3 : 2;
+	unsigned int max_mnt_vers = (nfs_mount_data_version >= 4) ? 3 : 2;
+
+	if (nfs_pmap->pm_vers == 4) {
+		nfs_error(_("%s: Please use '-t nfs4' "
+				"instead of '-o vers=4'"), progname);
+		goto out_bad;
+	}
+
+	if (nfs_pmap->pm_vers) {
+		if (nfs_pmap->pm_vers > max_nfs_vers || nfs_pmap->pm_vers < 2) {
+			nfs_error(_("%s: NFS version %ld is not supported"),
+					progname, nfs_pmap->pm_vers);
+			goto out_bad;
+		}
+	}
+
+	if (mnt_pmap->pm_vers > max_mnt_vers) {
+		nfs_error(_("%s: NFS mount version %ld is not supported"),
+				progname, mnt_pmap->pm_vers);
+		goto out_bad;
+	}
+
+	return 1;
+
+out_bad:
+	return 0;
+}
+
+int
+nfsmount(const char *spec, const char *node, int flags,
+	 char **extra_opts, int fake, int running_bg)
+{
+	char hostdir[1024];
+	char *hostname, *dirname, *old_opts, *mounthost = NULL;
+	char new_opts[1024], cbuf[1024];
+	static struct nfs_mount_data data;
+	int val;
+	static int doonce = 0;
+
+	clnt_addr_t mnt_server = { 
+		.hostname = &mounthost 
+	};
+	clnt_addr_t nfs_server = { 
+		.hostname = &hostname 
+	};
+	struct sockaddr_in *nfs_saddr = &nfs_server.saddr;
+	struct pmap  *mnt_pmap = &mnt_server.pmap,
+		     *nfs_pmap = &nfs_server.pmap;
+	struct pmap  save_mnt, save_nfs;
+
+	int fsock = -1;
+
+	mntres_t mntres;
+
+	struct stat statbuf;
+	char *s;
+	int bg, retry;
+	int retval = EX_FAIL;
+	time_t t;
+	time_t prevt;
+	time_t timeout;
+
+	if (strlen(spec) >= sizeof(hostdir)) {
+		nfs_error(_("%s: excessively long host:dir argument"),
+				progname);
+		goto fail;
+	}
+	strcpy(hostdir, spec);
+	if ((s = strchr(hostdir, ':'))) {
+		hostname = hostdir;
+		dirname = s + 1;
+		*s = '\0';
+		/* Ignore all but first hostname in replicated mounts
+		   until they can be fully supported. (mack@sgi.com) */
+		if ((s = strchr(hostdir, ','))) {
+			*s = '\0';
+			nfs_error(_("%s: warning: "
+				  "multiple hostnames not supported"),
+					progname);
+		}
+	} else {
+		nfs_error(_("%s: directory to mount not in host:dir format"),
+				progname);
+		goto fail;
+	}
+
+	if (!nfs_gethostbyname(hostname, nfs_saddr))
+		goto fail;
+	mounthost = hostname;
+	memcpy (&mnt_server.saddr, nfs_saddr, sizeof (mnt_server.saddr));
+
+	/* add IP address to mtab options for use when unmounting */
+
+	s = inet_ntoa(nfs_saddr->sin_addr);
+	old_opts = *extra_opts;
+	if (!old_opts)
+		old_opts = "";
+
+	/* Set default options.
+	 * rsize/wsize (and bsize, for ver >= 3) are left 0 in order to
+	 * let the kernel decide.
+	 * timeo is filled in after we know whether it'll be TCP or UDP. */
+	memset(&data, 0, sizeof(data));
+	data.acregmin	= 3;
+	data.acregmax	= 60;
+	data.acdirmin	= 30;
+	data.acdirmax	= 60;
+#if NFS_MOUNT_VERSION >= 2
+	data.namlen	= NAME_MAX;
+#endif
+
+	bg = 0;
+	retry = -1;
+
+	memset(mnt_pmap, 0, sizeof(*mnt_pmap));
+	mnt_pmap->pm_prog = MOUNTPROG;
+	memset(nfs_pmap, 0, sizeof(*nfs_pmap));
+	nfs_pmap->pm_prog = NFS_PROGRAM;
+
+	/* parse options */
+	new_opts[0] = 0;
+	if (!parse_options(old_opts, &data, &bg, &retry, &mnt_server, &nfs_server,
+			   new_opts, sizeof(new_opts)))
+		goto fail;
+	if (!nfsmnt_check_compat(nfs_pmap, mnt_pmap))
+		goto fail;
+
+	if (retry == -1) {
+		if (bg)
+			retry = 10000;	/* 10000 mins == ~1 week*/
+		else
+			retry = 2;	/* 2 min default on fg mounts */
+	}
+
+#ifdef NFS_MOUNT_DEBUG
+	printf(_("rsize = %d, wsize = %d, timeo = %d, retrans = %d\n"),
+	       data.rsize, data.wsize, data.timeo, data.retrans);
+	printf(_("acreg (min, max) = (%d, %d), acdir (min, max) = (%d, %d)\n"),
+	       data.acregmin, data.acregmax, data.acdirmin, data.acdirmax);
+	printf(_("port = %lu, bg = %d, retry = %d, flags = %.8x\n"),
+	       nfs_pmap->pm_port, bg, retry, data.flags);
+	printf(_("mountprog = %lu, mountvers = %lu, nfsprog = %lu, nfsvers = %lu\n"),
+	       mnt_pmap->pm_prog, mnt_pmap->pm_vers,
+	       nfs_pmap->pm_prog, nfs_pmap->pm_vers);
+	printf(_("soft = %d, intr = %d, posix = %d, nocto = %d, noac = %d"),
+	       (data.flags & NFS_MOUNT_SOFT) != 0,
+	       (data.flags & NFS_MOUNT_INTR) != 0,
+	       (data.flags & NFS_MOUNT_POSIX) != 0,
+	       (data.flags & NFS_MOUNT_NOCTO) != 0,
+	       (data.flags & NFS_MOUNT_NOAC) != 0);
+#if NFS_MOUNT_VERSION >= 2
+	printf(_(", tcp = %d"),
+	       (data.flags & NFS_MOUNT_TCP) != 0);
+#endif
+#if NFS_MOUNT_VERSION >= 4
+	printf(_(", noacl = %d"), (data.flags & NFS_MOUNT_NOACL) != 0);
+#endif
+#if NFS_MOUNT_VERSION >= 5
+	printf(_(", sec = %u"), data.pseudoflavor);
+	printf(_(", readdirplus = %d"), (data.flags & NFS_MOUNT_NORDIRPLUS) != 0);
+#endif
+	printf("\n");
+#endif
+
+	data.version = nfs_mount_data_version;
+
+	if (flags & MS_REMOUNT)
+		goto out_ok;
+
+	/* create mount deamon client */
+
+	/*
+	 * The following loop implements the mount retries. On the first
+	 * call, "running_bg" is 0. When the mount times out, and the
+	 * "bg" option is set, the exit status EX_BG will be returned.
+	 * For a backgrounded mount, there will be a second call by the
+	 * child process with "running_bg" set to 1.
+	 *
+	 * The case where the mount point is not present and the "bg"
+	 * option is set, is treated as a timeout. This is done to
+	 * support nested mounts.
+	 *
+	 * The "retry" count specified by the user is the number of
+	 * minutes to retry before giving up.
+	 *
+	 * Only the first error message will be displayed.
+	 */
+	timeout = time(NULL) + 60 * retry;
+	prevt = 0;
+	t = 30;
+	val = 1;
+
+	memcpy(&save_nfs, nfs_pmap, sizeof(save_nfs));
+	memcpy(&save_mnt, mnt_pmap, sizeof(save_mnt));
+	for (;;) {
+		if (bg && stat(node, &statbuf) == -1) {
+			/* no mount point yet - sleep */
+			if (running_bg) {
+				sleep(val);	/* 1, 2, 4, 8, 16, 30, ... */
+				val *= 2;
+				if (val > 30)
+					val = 30;
+			}
+		} else {
+			int stat;
+			/* be careful not to use too many CPU cycles */
+			if (t - prevt < 30)
+				sleep(30);
+
+			stat = nfs_call_mount(&mnt_server, &nfs_server,
+					      &dirname, &mntres);
+			if (stat)
+				break;
+			memcpy(nfs_pmap, &save_nfs, sizeof(*nfs_pmap));
+			memcpy(mnt_pmap, &save_mnt, sizeof(*mnt_pmap));
+			prevt = t;
+		}
+		if (!bg) {
+			switch(rpc_createerr.cf_stat){
+			case RPC_TIMEDOUT:
+				break;
+			case RPC_SYSTEMERROR:
+				if (errno == ETIMEDOUT)
+					break;
+				/* FALLTHRU */
+			default:
+				rpc_mount_errors(*nfs_server.hostname, 0, bg);
+		        goto fail;
+			}
+			t = time(NULL);
+			if (t >= timeout) {
+				rpc_mount_errors(*nfs_server.hostname, 0, bg);
+				goto fail;
+			}
+			rpc_mount_errors(*nfs_server.hostname, 1, bg);
+			continue;
+		}
+		if (!running_bg) {
+			if (retry > 0)
+				retval = EX_BG;
+			goto fail;
+		}
+		t = time(NULL);
+		if (t >= timeout) {
+			rpc_mount_errors(*nfs_server.hostname, 0, bg);
+			goto fail;
+		}
+		if (doonce++ < 1)
+			rpc_mount_errors(*nfs_server.hostname, 1, bg);
+	}
+
+	if (mnt_pmap->pm_vers <= 2) {
+		if (mntres.nfsv2.fhs_status != 0) {
+			nfs_error(_("%s: %s:%s failed, reason given by server: %s"),
+					progname, hostname, dirname,
+					nfs_strerror(mntres.nfsv2.fhs_status));
+			goto fail;
+		}
+		memcpy(data.root.data,
+		       (char *) mntres.nfsv2.fhstatus_u.fhs_fhandle,
+		       NFS_FHSIZE);
+#if NFS_MOUNT_VERSION >= 4
+		data.root.size = NFS_FHSIZE;
+		memcpy(data.old_root.data,
+		       (char *) mntres.nfsv2.fhstatus_u.fhs_fhandle,
+		       NFS_FHSIZE);
+#endif
+	} else {
+#if NFS_MOUNT_VERSION >= 4
+		mountres3_ok *mountres;
+		fhandle3 *fhandle;
+		int i,  n_flavors, *flavor, yum = 0;
+		if (mntres.nfsv3.fhs_status != 0) {
+			nfs_error(_("%s: %s:%s failed, reason given by server: %s"),
+					progname, hostname, dirname,
+					nfs_strerror(mntres.nfsv3.fhs_status));
+			goto fail;
+		}
+#if NFS_MOUNT_VERSION >= 5
+		mountres = &mntres.nfsv3.mountres3_u.mountinfo;
+		n_flavors = mountres->auth_flavors.auth_flavors_len;
+		if (n_flavors <= 0)
+			goto noauth_flavors;
+
+		flavor = mountres->auth_flavors.auth_flavors_val;
+		for (i = 0; i < n_flavors; ++i) {
+			/*
+			 * Per RFC2623, section 2.7, we should prefer the
+			 * flavour listed first.
+			 * If no flavour requested, use the first simple
+			 * flavour that is offered.
+			 */
+			if (! (data.flags & NFS_MOUNT_SECFLAVOUR) &&
+			    (flavor[i] == AUTH_SYS ||
+			     flavor[i] == AUTH_NONE)) {
+				data.pseudoflavor = flavor[i];
+				data.flags |= NFS_MOUNT_SECFLAVOUR;
+			}
+			if (flavor[i] == data.pseudoflavor)
+				yum = 1;
+#ifdef NFS_MOUNT_DEBUG
+			printf(_("auth flavor %d: %d\n"), i, flavor[i]);
+#endif
+		}
+		if (!yum) {
+			nfs_error(_("%s: %s:%s failed, security flavor "
+					"not supported"),
+					progname, hostname, dirname);
+			/* server has registered us in rmtab, send umount */
+			nfs_call_umount(&mnt_server, &dirname);
+			goto fail;
+		}
+noauth_flavors:
+#endif
+		fhandle = &mntres.nfsv3.mountres3_u.mountinfo.fhandle;
+		memset(data.old_root.data, 0, NFS_FHSIZE);
+		memset(&data.root, 0, sizeof(data.root));
+		data.root.size = fhandle->fhandle3_len;
+		memcpy(data.root.data,
+		       (char *) fhandle->fhandle3_val,
+		       fhandle->fhandle3_len);
+
+		data.flags |= NFS_MOUNT_VER3;
+#endif
+	}
+
+	if (nfs_mount_data_version == 1) {
+		/* create nfs socket for kernel */
+		if (nfs_pmap->pm_prot == IPPROTO_TCP)
+			fsock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+		else
+			fsock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+		if (fsock < 0) {
+			perror(_("nfs socket"));
+			goto fail;
+		}
+		if (bindresvport(fsock, 0) < 0) {
+			perror(_("nfs bindresvport"));
+			goto fail;
+		}
+	}
+
+#ifdef NFS_MOUNT_DEBUG
+	printf(_("using port %lu for nfs deamon\n"), nfs_pmap->pm_port);
+#endif
+	nfs_saddr->sin_port = htons(nfs_pmap->pm_port);
+	/*
+	 * connect() the socket for kernels 1.3.10 and below only,
+	 * to avoid problems with multihomed hosts.
+	 * --Swen
+	 */
+	if (linux_version_code() <= MAKE_VERSION(1, 3, 10) && fsock != -1
+	    && connect(fsock, (struct sockaddr *) nfs_saddr,
+		       sizeof (*nfs_saddr)) < 0) {
+		perror(_("nfs connect"));
+		goto fail;
+	}
+
+#if NFS_MOUNT_VERSION >= 2
+	if (nfs_pmap->pm_prot == IPPROTO_TCP)
+		data.flags |= NFS_MOUNT_TCP;
+	else
+		data.flags &= ~NFS_MOUNT_TCP;
+#endif
+
+	/* prepare data structure for kernel */
+
+	data.fd = fsock;
+	memcpy((char *) &data.addr, (char *) nfs_saddr, sizeof(data.addr));
+	strncpy(data.hostname, hostname, sizeof(data.hostname)-1);
+
+ out_ok:
+	/* Ensure we have enough padding for the following strcat()s */
+	if (strlen(new_opts) + strlen(s) + 30 >= sizeof(new_opts)) {
+		nfs_error(_("%s: excessively long option argument"),
+				progname);
+		goto fail;
+	}
+
+	snprintf(cbuf, sizeof(cbuf)-1, "addr=%s", s);
+	strcat(new_opts, cbuf);
+
+	*extra_opts = xstrdup(new_opts);
+
+	if (!fake && !(data.flags & NFS_MOUNT_NONLM)) {
+		if (!start_statd()) {
+			nfs_error(_("%s: rpc.statd is not running but is "
+				"required for remote locking.\n"
+				"   Either use '-o nolock' to keep "
+				"locks local, or start statd."),
+					progname);
+			goto fail;
+		}
+	}
+
+	if (!fake) {
+		if (mount(spec, node, "nfs",
+				flags & ~(MS_USER|MS_USERS), &data)) {
+			mount_error(spec, node, errno);
+			goto fail;
+		}
+	}
+
+	return EX_SUCCESS;
+
+	/* abort */
+ fail:
+	if (fsock != -1)
+		close(fsock);
+	return retval;
+}
diff --git a/utils/mount/nfsmount.conf b/utils/mount/nfsmount.conf
new file mode 100644
index 0000000..c498eb8
--- /dev/null
+++ b/utils/mount/nfsmount.conf
@@ -0,0 +1,144 @@
+#
+# /etc/nfsmount.conf - see nfsmount.conf(5) for details
+#
+# This is an NFS mount configuration file. This file can be broken
+# up into three different sections: Mount, Server and Global
+# 
+# [ MountPoint "Mount_point" ] 
+# This section defines all the mount options that
+# should be used on a particular mount point. The '<Mount_Point>'
+# string need to be an exact match of the path in the mount 
+# command. Example:
+#     [ MountPoint "/export/home" ]
+#       background=True
+# Would cause all mount to /export/home would be done in
+# the background
+#
+# [ Server "Server_Name" ]
+# This section defines all the mount options that
+# should be used on mounts to a particular NFS server. 
+# Example:
+#     [ Server "nfsserver.foo.com" ]
+#       rsize=32k
+#       wsize=32k
+# All reads and writes to the 'nfsserver.foo.com' server 
+# will be done with 32k (32768 bytes) block sizes.
+#
+[ NFSMount_Global_Options ]
+# This statically named section defines global mount 
+# options that can be applied on all NFS mount.
+#
+# Protocol Version [3,4]
+# This defines the default protocol version which will
+# be used to start the negotiation with the server.
+# Defaultvers=4
+#
+# Setting this option makes it mandatory the server supports the
+# given version. The mount will fail if the given version is 
+# not support by the server. 
+# Nfsvers=4
+#
+# Network Protocol [udp,tcp,rdma] (Note: values are case sensitive)
+# This defines the default network protocol which will
+# be used to start the negotiation with the server.
+# Defaultproto=tcp
+#
+# Setting this option makes it mandatory the server supports the
+# given network protocol. The mount will fail if the given network
+# protocol is not supported by the server.
+# Proto=tcp
+#
+# The number of times a request will be retired before 
+# generating a timeout 
+# Retrans=2
+#
+# The number of minutes that will retry mount
+# Retry=2
+#
+# The minimum time (in seconds) file attributes are cached
+# acregmin=30
+#
+# The Maximum time (in seconds) file attributes are cached
+# acregmax=60
+#
+# The minimum time (in seconds) directory attributes are cached
+# acdirmin=30
+#
+# The Maximum time (in seconds) directory attributes are cached
+# acdirmax=60
+#
+# Enable Access  Control  Lists
+# Acl=False
+#
+# Enable Attribute Caching
+# Ac=True
+#
+# Do mounts in background (i.e. asynchronously)
+# Background=False
+#
+# Close-To-Open cache coherence
+# Cto=True
+#
+# Do mounts in foreground (i.e. synchronously)
+# Foreground=True
+#
+# How to handle times out from servers (Hard is STRONGLY suggested)
+# Hard=True
+# Soft=False
+#
+# Enable File Locking
+# Lock=True
+#
+# Enable READDIRPLUS on NFS version 3 mounts
+# Rdirplus=True
+#
+# Maximum Read Size (in Bytes)
+# Rsize=8k
+#
+# Maximum Write Size (in Bytes)
+# Wsize=8k
+#
+# Maximum Server Block Size (in Bytes)
+# Bsize=8k
+#
+# Ignore unknown mount options
+# Sloppy=False
+#
+# Share Data and Attribute Caches
+# Sharecache=True
+#
+# The amount of time, in tenths of a seconds, the client
+# will wait for a response from the server before retransmitting
+# the request.
+# Timeo=600
+#
+# Sets all attributes times to the same time (in seconds)
+# actimeo=30
+#
+# Server Mountd port mountport
+# mountport=4001
+#
+# Server Mountd Protocol
+# mountproto=tcp
+#
+# Server Mountd Version
+# mountvers=3
+#
+# Server Mountd Host
+# mounthost=hostname
+#
+# Server Port
+# Port=2049
+#
+# RPCGSS security flavors 
+# [none, sys, krb5, krb5i, krb5p ]
+# Sec=sys
+#
+# Allow Signals to interrupt file operations
+# Intr=True
+#
+# Specifies  how the kernel manages its cache of directory
+# Lookupcache=all|none|pos|positive
+#
+# Turn of the caching of that access time
+# noatime=True
diff --git a/utils/mount/nfsmount.conf.man b/utils/mount/nfsmount.conf.man
new file mode 100644
index 0000000..34879c8
--- /dev/null
+++ b/utils/mount/nfsmount.conf.man
@@ -0,0 +1,131 @@
+.\" @(#)nfsmount.conf.5"
+.TH NFSMOUNT.CONF 5 "16 December 2020"
+.SH NAME
+nfsmount.conf - Configuration file for NFS mounts
+.SH SYNOPSIS
+Configuration file for NFS mounts that allows options
+to be set globally, per server or per mount point.
+.SH DESCRIPTION
+The configuration file is made up of multiple section headers
+followed by variable assignments associated with that section.
+A section header is defined by a string enclosed by
+.BR [
+and
+.BR ]
+brackets.
+Variable assignments are assignment statements that assign values
+to particular variables using the
+.BR =
+operator, as in
+.BR Proto=Tcp .
+The variables that can be assigned are the set of NFS specific
+mount options listed in
+.BR nfs (5)
+together with the filesystem-independant mount options listed in
+.BR mount (8)
+and three additions:
+.B Sloppy=True
+has the same effect as the
+.B -s
+option to
+.IR mount ,
+and
+.B Foreground=True
+and
+.B Background=True
+have the same effect as
+.B bg
+and
+.BR fg .
+.PP
+Options in the config file may be given in upper, lower, or mixed case
+and will be shifted to lower case before being passed to the filesystem.
+.PP
+Boolean mount options which do not need an equals sign must be given as
+.RI \[dq] option =True".
+Instead of preceeding such an option with
+.RB \[dq] no \[dq]
+its negation must be given as
+.RI \[dq] option =False".
+.PP
+Sections are broken up into three basic categories:
+Global options, Server options and Mount Point options.
+.HP
+.B [ NFSMount_Global_Options ]
+- This statically named section
+defines all of the global mount options that can be
+applied to every NFS mount.
+.HP
+.B [ Server \[dq]Server_Name\[dq] ]
+- This section defines all the mount options that should
+be used on mounts to a particular NFS server. The
+.I \[dq]Server_Name\[dq]
+strings needs to be surrounded by '\[dq]' and be an exact match
+(ignoring case) of the server name used in the
+.B mount
+command.
+.HP
+.B [ MountPoint \[dq]Mount_Point\[dq] ]
+- This section defines all the mount options that
+should be used on a particular mount point.
+The
+.I \[dq]Mount_Point\[dq]
+string needs to be surrounded by '\[dq]' and be an
+exact match of the mount point used in the
+.BR mount
+command.  Though path names are usually case-sensitive, the Mount_Point
+name is matched insensitive to case.
+.PP
+The sections are processed in the reverse of the order listed above, and
+any options already seen, either in a previous section or on the
+command line, will be ignored when seen again.
+.SH EXAMPLES
+.PP
+These are some example lines of how sections and variables
+are defined in the configuration file.
+.PP
+[ NFSMount_Global_Options ]
+.br
+    Proto=Tcp
+.RS
+.PP
+The TCP/IPv4 protocol will be used on every NFS mount.
+.RE
+.PP
+[ Server \[dq]nfsserver.foo.com\[dq] ]
+.br
+    rsize=32k
+.br
+    wsize=32k
+.br
+    proto=udp6
+.RS
+.PP
+A 32k (32768 bytes) block size will be used as the read and write
+size on all mounts to the 'nfsserver.foo.com' server.  UDP/IPv6
+is the protocol to be used.
+.RE
+.PP
+[ MountPoint \[dq]/export/home\[dq] ]
+.br
+    Background=True
+.RS
+.PP
+All mounts to the '/export/home' export will be performed in
+the background (i.e. done asynchronously).
+.RE
+.SH FILES
+.TP 10n
+.I /etc/nfsmount.conf
+Default NFS mount configuration file
+.TP 10n
+.I /etc/nfsmount.conf.d
+When this directory exists and files ending
+with ".conf" exist, those files will be
+used to set configuration variables. These
+files will override variables set
+in /etc/nfsmount.conf
+.PD
+.SH SEE ALSO
+.BR nfs (5),
+.BR mount (8),
diff --git a/utils/mount/nfsumount.c b/utils/mount/nfsumount.c
new file mode 100644
index 0000000..e16fb6a
--- /dev/null
+++ b/utils/mount/nfsumount.c
@@ -0,0 +1,351 @@
+/*
+ * nfsumount.c -- Linux NFS umount
+ * Copyright (C) 2006 Amit Gud <agud@redhat.com>
+ *
+ * - Basic code and wrapper around NFS umount code originally
+ *   in util-linux/mount/nfsmount.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include <getopt.h>
+#include <mntent.h>
+#include <sys/mount.h>
+#include <ctype.h>
+#include <pwd.h>
+
+#include "xcommon.h"
+#include "fstab.h"
+#include "nls.h"
+
+#include "mount_constants.h"
+#include "nfs_mount.h"
+#include "mount.h"
+#include "error.h"
+#include "network.h"
+#include "parse_opt.h"
+#include "parse_dev.h"
+#include "utils.h"
+
+#define MOUNTSFILE	"/proc/mounts"
+#define LINELEN		(4096)
+
+#if !defined(MNT_FORCE)
+/* dare not try to include <linux/mount.h> -- lots of errors */
+#define MNT_FORCE 1
+#endif
+
+#if !defined(MNT_DETACH)
+#define MNT_DETACH 2
+#endif
+
+extern char *progname;
+extern int nomtab;
+extern int verbose;
+int force;
+int lazy;
+int remount;
+
+
+static int try_remount(const char *spec, const char *node)
+{
+	int res;
+
+	res = mount(spec, node, NULL,
+		    MS_MGC_VAL | MS_REMOUNT | MS_RDONLY, NULL);
+	if (res == 0) {
+		struct mntent remnt;
+		nfs_error(_("%s: %s busy - remounted read-only"),
+				progname, spec);
+		remnt.mnt_type = remnt.mnt_fsname = NULL;
+		remnt.mnt_dir = xstrdup(node);
+		remnt.mnt_opts = xstrdup("ro");
+		if (!nomtab)
+			update_mtab(node, &remnt);
+	} else if (errno != EBUSY) {    /* hmm ... */
+		perror(_("remount"));
+		nfs_error(_("%s: could not remount %s read-only"),
+				progname, spec);
+	}
+	return res;
+}
+
+static int del_mtab(const char *spec, const char *node)
+{
+	int umnt_err, res;
+
+	umnt_err = 0;
+	if (lazy) {
+		res = umount2 (node, MNT_DETACH);
+		if (res < 0)
+			umnt_err = errno;
+		goto writemtab;
+	}
+
+	if (force) {
+		res = umount2 (node, MNT_FORCE);
+		if (res == -1) {
+			int errsv = errno;
+			perror(_("umount2"));
+			errno = errsv;
+			if (errno == ENOSYS) {
+				if (verbose)
+					printf(_("no umount2, trying umount...\n"));
+				res = umount (node);
+			}
+		}
+	} else
+		res = umount (node);
+
+	if (res < 0) {
+		if (remount && errno == EBUSY && spec) {
+			res = try_remount(spec, node);
+			if (res)
+				goto writemtab;
+			return EX_SUCCESS;
+		} else
+			umnt_err = errno;
+	}
+
+	if (res >= 0) {
+		/* Umount succeeded */
+		if (verbose)
+			printf(_("%s umounted\n"), spec ? spec : node);
+	}
+
+ writemtab:
+	if (!nomtab &&
+	    (umnt_err == 0 || umnt_err == EINVAL || umnt_err == ENOENT)) {
+		update_mtab(node, NULL);
+	}
+
+	if (res >= 0)
+		return EX_SUCCESS;
+
+	if (umnt_err)
+		umount_error(umnt_err, node);
+	return EX_FILEIO;
+}
+
+/*
+ * Detect NFSv4 mounts.
+ *
+ * Consult /proc/mounts to determine if the mount point
+ * is an NFSv4 mount.  The kernel is authoritative about
+ * what type of mount this is.
+ *
+ * Returns 1 if "mc" is an NFSv4 mount, zero if not, and
+ * -1 if some error occurred.
+ */
+static int nfs_umount_is_vers4(const struct mntentchn *mc)
+{
+	struct mntentchn *pmc;
+	struct mount_options *options;
+	int retval;
+
+	retval = -1;
+	pmc = getprocmntdirbackward(mc->m.mnt_dir, NULL);
+	if (!pmc)
+		goto not_found;
+
+	do {
+		size_t nlen = strlen(pmc->m.mnt_fsname);
+
+		/*
+		 * It's possible the mount location string in /proc/mounts
+		 * ends with a '/'. In this case, if the entry came from
+		 * /etc/mtab, it won't have the trailing '/' so deal with
+		 * it.
+		 */
+		while (pmc->m.mnt_fsname[nlen - 1] == '/')
+			nlen--;
+		if (strncmp(pmc->m.mnt_fsname, mc->m.mnt_fsname, nlen) != 0)
+			continue;
+
+		if (strcmp(pmc->m.mnt_type, "nfs4") == 0)
+			goto out_nfs4;
+
+		options = po_split(pmc->m.mnt_opts);
+		if (options != NULL) {
+			struct nfs_version version;
+			int rc = nfs_nfs_version("nfs", options, &version);
+			po_destroy(options);
+			if (rc && version.major == 4)
+				goto out_nfs4;
+		}
+
+		if (strcmp(pmc->m.mnt_type, "nfs") == 0)
+			goto out_nfs;
+	} while ((pmc = getprocmntdirbackward(mc->m.mnt_dir, pmc)) != NULL);
+
+	if (retval == -1) {
+not_found:
+		fprintf(stderr, "%s was not found in %s\n",
+			mc->m.mnt_dir, MOUNTSFILE);
+		goto out;
+	}
+
+out_nfs4:
+	if (verbose)
+		fprintf(stderr, "NFSv4 mount point detected\n");
+	retval = 1;
+	goto out;
+
+out_nfs:
+	if (verbose)
+		fprintf(stderr, "Legacy NFS mount point detected\n");
+	retval = 0;
+
+out:
+	return retval;
+}
+
+static struct option umount_longopts[] =
+{
+  { "force", 0, 0, 'f' },
+  { "help", 0, 0, 'h' },
+  { "no-mtab", 0, 0, 'n' },
+  { "verbose", 0, 0, 'v' },
+  { "read-only", 0, 0, 'r' },
+  { NULL, 0, 0, 0 }
+};
+
+int nfsumount(int argc, char *argv[])
+{
+	int c, ret;
+	char *spec;
+	struct mntentchn *mc;
+
+	if (argc < 2) {
+		umount_usage();
+		return EX_USAGE;
+	}
+
+	spec = argv[1];
+
+	argv += 1;
+	argc -= 1;
+
+	argv[0] = argv[-1]; /* So that getopt error messages are correct */
+	while ((c = getopt_long (argc, argv, "fvnrlh",
+				umount_longopts, NULL)) != -1) {
+
+		switch (c) {
+		case 'f':
+			++force;
+			break;
+		case 'v':
+			++verbose;
+			break;
+		case 'n':
+			++nomtab;
+			break;
+		case 'r':
+			++remount;
+			break;
+		case 'l':
+			++lazy;
+			break;
+		case 'h':
+		default:
+			umount_usage();
+			return EX_USAGE;
+		}
+	}
+	if (optind != argc) {
+		umount_usage();
+		return EX_USAGE;
+	}
+	
+	if (spec == NULL || (*spec != '/' && strchr(spec,':') == NULL)) {
+		nfs_error(_("%s: %s: not found\n"), progname, spec);
+		return EX_USAGE;
+	}
+
+	if (*spec == '/')
+		mc = getmntdirbackward(spec, NULL);
+	else
+		mc = getmntdevbackward(spec, NULL);
+	if (!mc && verbose)
+		printf(_("Could not find %s in mtab\n"), spec);
+
+	if (mc && strcmp(mc->m.mnt_type, "nfs") != 0 &&
+	    strcmp(mc->m.mnt_type, "nfs4") != 0) {
+		nfs_error(_("%s: %s on %s is not an NFS filesystem"),
+				progname, mc->m.mnt_fsname, mc->m.mnt_dir);
+		return EX_USAGE;
+	}
+
+	if (getuid() != 0) {
+		/* only permitted if "user=" or "users" is in mount options */
+		if (!mc) {
+			/* umount might call us twice.  The second time there will
+			 * be no entry in mtab and we should just exit quietly
+			 */
+			return EX_SUCCESS;
+
+		only_root:
+			nfs_error(_("%s: You are not permitted to unmount %s"),
+					progname, spec);
+			return EX_USAGE;
+		}
+		if (hasmntopt(&mc->m, "users") == NULL) {
+			char *opt = hasmntopt(&mc->m, "user");
+			struct passwd *pw;
+			char *comma;
+			size_t len;
+			if (!opt)
+				goto only_root;
+			if (opt[4] != '=')
+				goto only_root;
+			comma = strchr(opt, ',');
+			if (comma)
+				len = comma - (opt + 5);
+			else
+				len = strlen(opt+5);
+			pw = getpwuid(getuid());
+			if (pw == NULL || strlen(pw->pw_name) != len
+			    || strncmp(pw->pw_name, opt+5, len) != 0)
+				goto only_root;
+		}
+	}
+
+	ret = EX_SUCCESS;
+	if (mc) {
+		if (!lazy) {
+			switch (nfs_umount_is_vers4(mc)) {
+			case 0:
+				/* We ignore the error from nfs_umount23.
+				 * If the actual umount succeeds (in del_mtab),
+				 * we don't want to signal an error, as that
+				 * could cause /sbin/mount to retry!
+				 */
+				nfs_umount23(mc->m.mnt_fsname, mc->m.mnt_opts);
+				break;
+			case 1:
+				break;
+			default:
+				return EX_FAIL;
+			}
+		}
+		ret = del_mtab(mc->m.mnt_fsname, mc->m.mnt_dir);
+	} else if (*spec != '/') {
+		if (!lazy)
+			ret = nfs_umount23(spec, "tcp,v3");
+	} else
+		ret = del_mtab(NULL, spec);
+
+	return ret;
+}
diff --git a/utils/mount/parse_dev.c b/utils/mount/parse_dev.c
new file mode 100644
index 0000000..2ade5d5
--- /dev/null
+++ b/utils/mount/parse_dev.c
@@ -0,0 +1,233 @@
+/*
+ * parse_dev.c -- parse device name into hostname and export path
+ *
+ * Copyright (C) 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "xcommon.h"
+#include "nls.h"
+#include "parse_dev.h"
+
+#ifndef NFS_MAXHOSTNAME
+#define NFS_MAXHOSTNAME		(255)
+#endif
+
+#ifndef NFS_MAXPATHNAME
+#define NFS_MAXPATHNAME		(1024)
+#endif
+
+extern char *progname;
+extern int verbose;
+
+static int nfs_pdn_no_devname_err(void)
+{
+	nfs_error(_("%s: no device name was provided"), progname);
+	return 0;
+}
+
+static int nfs_pdn_hostname_too_long_err(void)
+{
+	nfs_error(_("%s: server hostname is too long"), progname);
+	return 0;
+}
+
+static int nfs_pdn_pathname_too_long_err(void)
+{
+	nfs_error(_("%s: export pathname is too long"), progname);
+	return 0;
+}
+
+static int nfs_pdn_bad_format_err(void)
+{
+	nfs_error(_("%s: remote share not in 'host:dir' format"), progname);
+	return 0;
+}
+
+static int nfs_pdn_nomem_err(void)
+{
+	nfs_error(_("%s: no memory available to parse devname"), progname);
+	return 0;
+}
+
+static int nfs_pdn_missing_brace_err(void)
+{
+	nfs_error(_("%s: closing bracket missing from server address"),
+				progname);
+	return 0;
+}
+
+/*
+ * Standard hostname:path format
+ */
+static int nfs_parse_simple_hostname(const char *dev,
+				     char **hostname, char **pathname)
+{
+	size_t host_len, path_len;
+	char *colon, *comma;
+
+	/* Must have a colon */
+	colon = strchr(dev, ':');
+	if (colon == NULL)
+		return nfs_pdn_bad_format_err();
+	*colon = '\0';
+	host_len = colon - dev;
+
+	if (host_len > NFS_MAXHOSTNAME)
+		return nfs_pdn_hostname_too_long_err();
+
+	/* If there's a comma before the colon, take only the
+	 * first name in list */
+	comma = strchr(dev, ',');
+	if (comma != NULL) {
+		*comma = '\0';
+		host_len = comma - dev;
+		nfs_error(_("%s: warning: multiple hostnames not supported"),
+				progname);
+	} else
+
+	colon++;
+	path_len = strlen(colon);
+	if (path_len > NFS_MAXPATHNAME)
+		return nfs_pdn_pathname_too_long_err();
+
+	if (hostname) {
+		*hostname = strndup(dev, host_len);
+		if (*hostname == NULL)
+			return nfs_pdn_nomem_err();
+	}
+	if (pathname) {
+		*pathname = strndup(colon, path_len);
+		if (*pathname == NULL) {
+			if (hostname)
+				free(*hostname);
+			return nfs_pdn_nomem_err();
+		}
+	}
+	return 1;
+}
+
+/*
+ * To handle raw IPv6 addresses (which contain colons), the
+ * server's address is enclosed in square brackets.  Return
+ * what's between the brackets.
+ *
+ * There could be anything in between the brackets, but we'll
+ * let DNS resolution sort it out later.
+ */
+static int nfs_parse_square_bracket(const char *dev,
+				    char **hostname, char **pathname)
+{
+	size_t host_len, path_len;
+	char *cbrace;
+
+	dev++;
+
+	/* Must have a closing square bracket */
+	cbrace = strchr(dev, ']');
+	if (cbrace == NULL)
+		return nfs_pdn_missing_brace_err();
+	*cbrace = '\0';
+	host_len = cbrace - dev;
+
+	/* Must have a colon just after the closing bracket */
+	cbrace++;
+	if (*cbrace != ':')
+		return nfs_pdn_bad_format_err();
+
+	if (host_len > NFS_MAXHOSTNAME)
+		return nfs_pdn_hostname_too_long_err();
+
+	cbrace++;
+	path_len = strlen(cbrace);
+	if (path_len > NFS_MAXPATHNAME)
+		return nfs_pdn_pathname_too_long_err();
+
+	if (hostname) {
+		*hostname = strndup(dev, host_len);
+		if (*hostname == NULL)
+			return nfs_pdn_nomem_err();
+	}
+	if (pathname) {
+		*pathname = strndup(cbrace, path_len);
+		if (*pathname == NULL) {
+			if (hostname)
+				free(*hostname);
+			return nfs_pdn_nomem_err();
+		}
+	}
+	return 1;
+}
+
+/*
+ * RFC 2224 says an NFS client must grok "public file handles" to
+ * support NFS URLs.  Linux doesn't do that yet.  Print a somewhat
+ * helpful error message in this case instead of pressing forward
+ * with the mount request and failing with a cryptic error message
+ * later.
+ */
+static int nfs_parse_nfs_url(__attribute__((unused)) const char *dev,
+			     __attribute__((unused)) char **hostname,
+			     __attribute__((unused)) char **pathname)
+{
+	nfs_error(_("%s: NFS URLs are not supported"), progname);
+	return 0;
+}
+
+/**
+ * nfs_parse_devname - Determine the server's hostname by looking at "devname".
+ * @devname: pointer to mounted device name (first argument of mount command)
+ * @hostname: OUT: pointer to server's hostname
+ * @pathname: OUT: pointer to export path on server
+ *
+ * Returns 1 if succesful, or zero if some error occurred.  On success,
+ * @hostname and @pathname point to dynamically allocated buffers containing
+ * the hostname of the server and the export pathname (both '\0'-terminated).
+ *
+ * @hostname or @pathname may be NULL if caller doesn't want a copy of those
+ * parts of @devname.
+ *
+ * Note that this will not work if @devname is a wide-character string.
+ */
+int nfs_parse_devname(const char *devname,
+		      char **hostname, char **pathname)
+{
+	char *dev;
+	int result;
+
+	if (devname == NULL)
+		return nfs_pdn_no_devname_err();
+
+	/* Parser is destructive, so operate on a copy of the device name. */
+	dev = strdup(devname);
+	if (dev == NULL)
+		return nfs_pdn_nomem_err();
+	if (*dev == '[')
+		result = nfs_parse_square_bracket(dev, hostname, pathname);
+	else if (strncmp(dev, "nfs://", 6) == 0)
+		result = nfs_parse_nfs_url(dev, hostname, pathname);
+	else
+		result = nfs_parse_simple_hostname(dev, hostname, pathname);
+
+	free(dev);
+	return result;
+}
diff --git a/utils/mount/parse_dev.h b/utils/mount/parse_dev.h
new file mode 100644
index 0000000..f9857bc
--- /dev/null
+++ b/utils/mount/parse_dev.h
@@ -0,0 +1,28 @@
+/*
+ * parse_dev.c -- parse device name into hostname and export path
+ *
+ * Copyright (C) 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef __NFS_UTILS_PARSE_DEV_HEADER
+#define __NFS_UTILS_PARSE_DEV_HEADER
+
+extern int	nfs_parse_devname(const char *, char **, char **);
+
+#endif	/* __NFS_UTILS_PARSE_DEV */
diff --git a/utils/mount/parse_opt.c b/utils/mount/parse_opt.c
new file mode 100644
index 0000000..d2d0b65
--- /dev/null
+++ b/utils/mount/parse_opt.c
@@ -0,0 +1,610 @@
+/*
+ * parse_opt.c -- mount option string parsing helpers
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+/*
+ * Converting a C string containing mount options to a data object
+ * and manipulating that object is cleaner in C than manipulating
+ * the C string itself.  This is similar to the way Python handles
+ * string manipulation.
+ *
+ * The current implementation uses a linked list as the data object
+ * since lists are simple, and we don't need to worry about more
+ * than ten or twenty options at a time.
+ *
+ * Hopefully the interface is abstract enough that the underlying
+ * data structure can be replaced if needed without changing the API.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "parse_opt.h"
+#include "token.h"
+
+
+struct mount_option {
+	struct mount_option *next, *prev;
+	char *keyword;
+	char *value;
+};
+
+struct mount_options {
+	struct mount_option *head, *tail;
+	unsigned int count;
+};
+
+static struct mount_option *option_create(char *str)
+{
+	struct mount_option *option;
+	char *opteq;
+
+	if (!str)
+		return NULL;
+
+	option = malloc(sizeof(*option));
+	if (!option)
+		return NULL;
+	
+	option->next = NULL;
+	option->prev = NULL;
+
+	opteq = strchr(str, '=');
+	if (opteq) {
+		option->keyword = strndup(str, opteq - str);
+		if (!option->keyword)
+			goto fail;
+		option->value = strdup(opteq + 1);
+		if (!option->value) {
+			free(option->keyword);
+			goto fail;
+		}
+	} else {
+		option->keyword = strdup(str);
+		if (!option->keyword)
+			goto fail;
+		option->value = NULL;
+	}
+
+	return option;
+
+fail:
+	free(option);
+	return NULL;
+}
+
+static struct mount_option *option_dup(const struct mount_option *option)
+{
+	struct mount_option *new;
+
+	new = malloc(sizeof(*new));
+	if (!new)
+		return NULL;
+	
+	new->next = NULL;
+	new->prev = NULL;
+
+	new->keyword = strdup(option->keyword);
+	if (!new->keyword)
+		goto fail;
+
+	new->value = NULL;
+	if (option->value) {
+		new->value = strdup(option->value);
+		if (!new->value) {
+			free(new->keyword);
+			goto fail;
+		}
+	}
+
+	return new;
+
+fail:
+	free(new);
+	return NULL;
+}
+
+static void option_destroy(struct mount_option *option)
+{
+	free(option->keyword);
+	free(option->value);
+	free(option);
+}
+
+static void options_init(struct mount_options *options)
+{
+	options->head = options->tail = NULL;
+	options->count = 0;
+}
+
+static struct mount_options *options_create(void)
+{
+	struct mount_options *options;
+
+	options = malloc(sizeof(*options));
+	if (options)
+		options_init(options);
+
+	return options;
+}
+
+static int options_empty(struct mount_options *options)
+{
+	return options->count == 0;
+}
+
+static void options_tail_insert(struct mount_options *options,
+				struct mount_option *option)
+{
+	struct mount_option *prev = options->tail;
+
+	option->next = NULL;
+	option->prev = prev;
+
+	if (prev)
+		prev->next = option;
+	else
+		options->head = option;
+	options->tail = option;
+
+	options->count++;
+}
+
+static void options_head_insert(struct mount_options *options,
+				struct mount_option *option)
+{
+	struct mount_option *ohead = options->head;
+
+	option->prev = NULL;
+	option->next = ohead;
+	if (ohead)
+		ohead->prev = option;
+	else
+		options->tail = option;
+	options->head = option;
+
+	options->count++;
+}
+
+static void options_delete(struct mount_options *options,
+			   struct mount_option *option)
+{
+	struct mount_option *prev = option->prev;
+	struct mount_option *next = option->next;
+
+	if (!options_empty(options)) {
+		if (prev)
+			prev->next = option->next;
+		if (next)
+			next->prev = option->prev;
+
+		if (options->head == option)
+			options->head = option->next;
+		if (options->tail == option)
+			options->tail = prev;
+
+		options->count--;
+
+		option_destroy(option);
+	}
+}
+
+
+/**
+ * po_destroy - deallocate a group of mount options
+ * @options: pointer to mount options to free
+ *
+ */
+void po_destroy(struct mount_options *options)
+{
+	if (options) {
+		while (!options_empty(options))
+			options_delete(options, options->head);
+		free(options);
+	}
+}
+
+/**
+ * po_split - split options string into group of options
+ * @options: pointer to C string containing zero or more comma-delimited options
+ *
+ * Convert our mount options string to a list to make it easier
+ * to adjust the options as we go.  This is just an exercise in
+ * lexical parsing -- this function doesn't pay attention to the
+ * meaning of the options themselves.
+ *
+ * Returns a new group of mount options if successful; otherwise NULL
+ * is returned if some failure occurred.
+ */
+struct mount_options *po_split(char *str)
+{
+	struct mount_options *options;
+	struct tokenizer_state *tstate;
+	char *opt;
+
+	if (!str)
+		return options_create();
+
+	options = options_create();
+	if (options) {
+		tstate = init_tokenizer(str, ',');
+		for (opt = next_token(tstate); opt; opt = next_token(tstate)) {
+			struct mount_option *option = option_create(opt);
+			free(opt);
+			if (!option)
+				goto fail;
+			options_tail_insert(options, option);
+		}
+		if (tokenizer_error(tstate))
+			goto fail;
+		end_tokenizer(tstate);
+	}
+	return options;
+
+fail:
+	end_tokenizer(tstate);
+	po_destroy(options);
+	return NULL;
+}
+
+/**
+ * po_dup - duplicate an existing list of options
+ * @options: pointer to mount options
+ *
+ */
+struct mount_options *po_dup(struct mount_options *source)
+{
+	struct mount_options *target;
+	struct mount_option *current;
+
+	if (!source)
+		return NULL;
+
+	target = options_create();
+	if (options_empty(source) || target == NULL)
+		return target;
+
+	current = source->head;
+	while (target->count < source->count) {
+		struct mount_option *option;
+
+		option = option_dup(current);
+		if (!option) {
+			po_destroy(target);
+			return NULL;
+		}
+
+		options_tail_insert(target, option);
+		current = current->next;
+	}
+
+	return target;
+}
+
+/**
+ * po_replace - replace mount options in one mount_options object with another
+ * @target: pointer to previously instantiated object to replace
+ * @source: pointer to object containing source mount options
+ *
+ * Side effect: the object referred to by source is emptied.
+ */
+void po_replace(struct mount_options *target, struct mount_options *source)
+{
+	if (target) {
+		while (!options_empty(target))
+			options_delete(target, target->head);
+
+		if (source) {
+			target->head = source->head;
+			target->tail = source->tail;
+			target->count = source->count;
+
+			options_init(source);
+		}
+	}
+}
+
+/**
+ * po_join - recombine group of mount options into a C string
+ * @options: pointer to mount options to recombine
+ * @str: handle on string to replace (input and output)
+ *
+ * Convert our mount options object back into a string that the
+ * rest of the world can use.
+ *
+ * Upon return, @string contains the address of a replacement
+ * C string containing a comma-delimited list of mount options
+ * and values; or the passed-in string is freed and NULL is
+ * returned if some failure occurred.
+ */
+po_return_t po_join(struct mount_options *options, char **str)
+{
+	size_t len = 0;
+	struct mount_option *option;
+
+	if (!str || !options)
+		return PO_FAILED;
+		
+	free(*str);
+	*str = NULL;
+
+	if (options_empty(options)) {
+		*str = strdup("");
+		return *str ? PO_SUCCEEDED : PO_FAILED;
+	}
+
+	for (option = options->head; option; option = option->next) {
+		len += strlen(option->keyword);
+		if (option->value)
+			len +=strlen(option->value) + 1;  /* equals sign */
+		if (option->next)
+			len++;  /* comma */
+	}
+
+	len++;	/* NULL on the end */
+
+	*str = malloc(len);
+	if (!*str)
+		return PO_FAILED;
+	*str[0] = '\0';
+
+	for (option = options->head; option; option = option->next) {
+		strcat(*str, option->keyword);
+		if (option->value) {
+			strcat(*str, "=");
+			strcat(*str, option->value);
+		}
+		if (option->next)
+			strcat(*str, ",");
+	}
+
+	return PO_SUCCEEDED;
+}
+
+/**
+ * po_insert - insert an option into a group of options
+ * @options: pointer to mount options
+ * @option: pointer to a C string containing the option to add
+ *
+ */
+po_return_t po_insert(struct mount_options *options, char *str)
+{
+	struct mount_option *option = option_create(str);
+
+	if (option) {
+		options_head_insert(options, option);
+		return PO_SUCCEEDED;
+	}
+	return PO_FAILED;
+}
+
+/**
+ * po_append - concatenate an option onto a group of options
+ * @options: pointer to mount options
+ * @option: pointer to a C string containing the option to add
+ *
+ */
+po_return_t po_append(struct mount_options *options, char *str)
+{
+	struct mount_option *option = option_create(str);
+
+	if (option) {
+		options_tail_insert(options, option);
+		return PO_SUCCEEDED;
+	}
+	return PO_FAILED;
+}
+
+/**
+ * po_contains - check for presence of an option in a group
+ * @options: pointer to mount options
+ * @keyword: pointer to a C string containing option keyword for which to search
+ *
+ */
+po_found_t po_contains(struct mount_options *options, char *keyword)
+{
+	struct mount_option *option;
+
+	if (options && keyword) {
+		for (option = options->head; option; option = option->next)
+			if (strcmp(option->keyword, keyword) == 0)
+				return PO_FOUND;
+	}
+
+	return PO_NOT_FOUND;
+}
+
+/**
+ * po_contains_prefix - check for presence of an option matching a prefix
+ * @options: pointer to mount options
+ * @prefix: pointer to prefix to match against a keyword
+ * @keyword: pointer to a C string containing the option keyword if found
+ * @n: number of instances to skip, so '0' returns the first.
+ *
+ * On success, *keyword contains the pointer of the matching option's keyword.
+ */
+po_found_t po_contains_prefix(struct mount_options *options,
+			      const char *prefix, char **keyword, int n)
+{
+	struct mount_option *option;
+
+	if (options && prefix) {
+		for (option = options->head; option; option = option->next)
+			if (strncmp(option->keyword, prefix, strlen(prefix)) == 0) {
+				if (n > 0) {
+					n -= 1;
+				} else {
+					if (keyword)
+						*keyword = option->keyword;
+					return PO_FOUND;
+				}
+			}
+	}
+
+	return PO_NOT_FOUND;
+}
+
+/**
+ * po_get - return the value of the rightmost instance of an option
+ * @options: pointer to mount options
+ * @keyword: pointer to a C string containing option keyword for which to search
+ *
+ * If multiple instances of the same option are present in a mount option
+ * list, the rightmost instance is always the effective one.
+ *
+ * Returns pointer to C string containing the value of the option.
+ * Returns NULL if the option isn't found, or if the option doesn't
+ * have a value.
+ */
+char *po_get(struct mount_options *options, char *keyword)
+{
+	struct mount_option *option;
+
+	if (options && keyword) {
+		for (option = options->tail; option; option = option->prev)
+			if (strcmp(option->keyword, keyword) == 0)
+				return option->value;
+	}
+
+	return NULL;
+}
+
+/**
+ * po_get_numeric - return numeric value of rightmost instance of keyword option
+ * @options: pointer to mount options
+ * @keyword: pointer to a C string containing option keyword for which to search
+ * @value: OUT: set to the value of the keyword
+ *
+ * This is specifically for parsing keyword options that take only a numeric
+ * value.  If multiple instances of the same option are present in a mount
+ * option list, the rightmost instance is always the effective one.
+ *
+ * Returns:
+ *	* PO_FOUND if the keyword was found and the value is numeric; @value is
+ *	  set to the keyword's value
+ *	* PO_NOT_FOUND if the keyword was not found
+ *	* PO_BAD_VALUE if the keyword was found, but the value is not numeric
+ *
+ * These last two are separate in case the caller wants to warn about bad mount
+ * options instead of silently using a default.
+ */
+#ifdef HAVE_STRTOL
+po_found_t po_get_numeric(struct mount_options *options, char *keyword, long *value)
+{
+	char *option, *endptr;
+	long tmp;
+
+	option = po_get(options, keyword);
+	if (option == NULL)
+		return PO_NOT_FOUND;
+
+	errno = 0;
+	tmp = strtol(option, &endptr, 10);
+	if (errno == 0 && endptr != option) {
+		*value = tmp;
+		return PO_FOUND;
+	}
+	return PO_BAD_VALUE;
+}
+#else	/* HAVE_STRTOL */
+po_found_t po_get_numeric(struct mount_options *options, char *keyword, long *value)
+{
+	char *option;
+
+	option = po_get(options, keyword);
+	if (option == NULL)
+		return PO_NOT_FOUND;
+
+	*value = atoi(option);
+	return PO_FOUND;
+}
+#endif	/* HAVE_STRTOL */
+
+/**
+ * po_rightmost - determine the relative position of several options
+ * @options: pointer to mount options
+ * @keys: pointer to an array of C strings containing option keywords
+ *
+ * This function can be used to determine which of several similar
+ * options will be the one to take effect.
+ *
+ * The kernel parses the mount option string from left to right.
+ * If an option is specified more than once (for example, "intr"
+ * and "nointr", the rightmost option is the last to be parsed,
+ * and it therefore takes precedence over previous similar options.
+ *
+ * This can also distinguish among multiple synonymous options, such
+ * as "proto=," "udp" and "tcp."
+ *
+ * Returns the index into @keys of the option that is rightmost.
+ * If none of the options listed in @keys is present in @options, or
+ * if @options is NULL, returns -1.
+ */
+int po_rightmost(struct mount_options *options, const char *keys[])
+{
+	struct mount_option *option;
+	int i;
+
+	if (options) {
+		for (option = options->tail; option; option = option->prev) {
+			for (i = 0; keys[i] != NULL; i++)
+				if (strcmp(option->keyword, keys[i]) == 0)
+					return i;
+		}
+	}
+
+	return -1;
+}
+
+/**
+ * po_remove_all - remove instances of an option from a group
+ * @options: pointer to mount options
+ * @keyword: pointer to a C string containing an option keyword to remove
+ *
+ * Side-effect: the passed-in list is truncated on success.
+ */
+po_found_t po_remove_all(struct mount_options *options, char *keyword)
+{
+	struct mount_option *option, *next;
+	int found = PO_NOT_FOUND;
+
+	if (options && keyword) {
+		for (option = options->head; option; option = next) {
+			next = option->next;
+			if (strcmp(option->keyword, keyword) == 0) {
+				options_delete(options, option);
+				found = PO_FOUND;
+			}
+		}
+	}
+
+	return found;
+}
diff --git a/utils/mount/parse_opt.h b/utils/mount/parse_opt.h
new file mode 100644
index 0000000..181e7bf
--- /dev/null
+++ b/utils/mount/parse_opt.h
@@ -0,0 +1,60 @@
+/*
+ * parse_opt.h -- mount option string parsing helpers
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_PARSE_OPT_H
+#define _NFS_UTILS_PARSE_OPT_H
+
+typedef enum {
+	PO_FAILED = 0,
+	PO_SUCCEEDED = 1,
+} po_return_t;
+
+typedef enum {
+	PO_NOT_FOUND = 0,
+	PO_FOUND = 1,
+	PO_BAD_VALUE = 2,
+} po_found_t;
+
+struct mount_options;
+
+struct mount_options *	po_split(char *);
+struct mount_options *	po_dup(struct mount_options *);
+void			po_replace(struct mount_options *,
+				   struct mount_options *);
+po_return_t		po_join(struct mount_options *, char **);
+
+po_return_t		po_insert(struct mount_options *, char *);
+po_return_t		po_append(struct mount_options *, char *);
+po_found_t		po_contains(struct mount_options *, char *);
+po_found_t		po_contains_prefix(struct mount_options *options,
+					   const char *prefix, char **keyword,
+					   int n);
+char *			po_get(struct mount_options *, char *);
+po_found_t		po_get_numeric(struct mount_options *,
+					char *, long *);
+int			po_rightmost(struct mount_options *,
+					const char *keys[]);
+po_found_t		po_remove_all(struct mount_options *, char *);
+void			po_destroy(struct mount_options *);
+
+#endif	/* _NFS_UTILS_PARSE_OPT_H */
diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
new file mode 100644
index 0000000..dbdd11e
--- /dev/null
+++ b/utils/mount/stropts.c
@@ -0,0 +1,1310 @@
+/*
+ * stropts.c -- NFS mount using C string to pass options to kernel
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <errno.h>
+#include <netdb.h>
+#include <time.h>
+
+#include <sys/socket.h>
+#include <sys/mount.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "nfslib.h"
+#include "sockaddr.h"
+#include "xcommon.h"
+#include "mount.h"
+#include "nls.h"
+#include "nfsrpc.h"
+#include "mount_constants.h"
+#include "stropts.h"
+#include "error.h"
+#include "network.h"
+#include "parse_opt.h"
+#include "version.h"
+#include "parse_dev.h"
+#include "conffile.h"
+#include "misc.h"
+
+#ifndef NFS_PROGRAM
+#define NFS_PROGRAM	(100003)
+#endif
+
+#ifndef NFS_PORT
+#define NFS_PORT	(2049)
+#endif
+
+#ifndef NFS_MAXHOSTNAME
+#define NFS_MAXHOSTNAME		(255)
+#endif
+
+#ifndef NFS_MAXPATHNAME
+#define NFS_MAXPATHNAME		(1024)
+#endif
+
+#ifndef NFS_DEF_FG_TIMEOUT_MINUTES
+#define NFS_DEF_FG_TIMEOUT_MINUTES	(2u)
+#endif
+
+#ifndef NFS_DEF_BG_TIMEOUT_MINUTES
+#define NFS_DEF_BG_TIMEOUT_MINUTES	(10000u)
+#endif
+
+#ifndef NFS_DEFAULT_MAJOR
+#define NFS_DEFAULT_MAJOR	4
+#endif
+#ifndef NFS_DEFAULT_MINOR
+#define NFS_DEFAULT_MINOR	2
+#endif
+
+extern int nfs_mount_data_version;
+extern char *progname;
+extern int verbose;
+extern int sloppy;
+
+struct nfsmount_info {
+	const char		*spec,		/* server:/path */
+				*node;		/* mounted-on dir */
+	char			*type;		/* "nfs" or "nfs4" */
+	char			*hostname;	/* server's hostname */
+	struct addrinfo		*address;	/* server's addresses */
+	sa_family_t		family;		/* Address family */
+
+	struct mount_options	*options;	/* parsed mount options */
+	char			**extra_opts;	/* string for /etc/mtab */
+
+	struct nfs_version	version;	/* NFS version */
+	int			flags,		/* MS_ flags */
+				fake,		/* actually do the mount? */
+				child;		/* forked bg child? */
+};
+
+
+static void nfs_default_version(struct nfsmount_info *mi)
+{
+#ifdef MOUNT_CONFIG
+	extern struct nfs_version config_default_vers;
+	/*
+	 * Use the default value set in the config file when
+	 * the version has not been explicitly set.
+	 */
+	if (config_default_vers.v_mode == V_PARSE_ERR) {
+		mi->version.v_mode = V_PARSE_ERR;
+		return;
+	}
+
+	if (mi->version.v_mode == V_DEFAULT &&
+		config_default_vers.v_mode != V_DEFAULT) {
+		mi->version.major = config_default_vers.major;
+		if (config_default_vers.v_mode == V_SPECIFIC)
+			mi->version.minor = config_default_vers.minor;
+		else
+			mi->version.minor = NFS_DEFAULT_MINOR;
+		return;
+	}
+
+	if (mi->version.v_mode == V_GENERAL) {
+		if (config_default_vers.v_mode != V_DEFAULT &&
+		    mi->version.major == config_default_vers.major) {
+			if (config_default_vers.v_mode == V_SPECIFIC)
+				mi->version.minor = config_default_vers.minor;
+			else
+				mi->version.minor = NFS_DEFAULT_MINOR;
+		} else
+			mi->version.minor = NFS_DEFAULT_MINOR;
+		return;
+	}
+
+#endif /* MOUNT_CONFIG */
+	mi->version.major = NFS_DEFAULT_MAJOR;
+	mi->version.minor = NFS_DEFAULT_MINOR;
+}
+
+/*
+ * Obtain a retry timeout value based on the value of the "retry=" option.
+ *
+ * Returns a time_t timeout timestamp, in seconds.
+ */
+static time_t nfs_parse_retry_option(struct mount_options *options,
+				     const time_t default_timeout)
+{
+	time_t timeout_minutes;
+	long tmp;
+
+	timeout_minutes = default_timeout;
+	switch (po_get_numeric(options, "retry", &tmp)) {
+	case PO_NOT_FOUND:
+		break;
+	case PO_FOUND:
+		if (tmp >= 0) {
+			timeout_minutes = tmp;
+			break;
+		}
+		/*FALLTHROUGH*/
+	case PO_BAD_VALUE:
+		if (verbose)
+			nfs_error(_("%s: invalid retry timeout was specified; "
+					"using default timeout"), progname);
+		break;
+	}
+
+	return time(NULL) + (timeout_minutes * 60);
+}
+
+/*
+ * Convert the passed-in sockaddr-style address to presentation
+ * format, then append an option of the form "keyword=address".
+ *
+ * Returns 1 if the option was appended successfully; otherwise zero.
+ */
+static int nfs_append_generic_address_option(const struct sockaddr *sap,
+					     const socklen_t salen,
+					     const char *keyword,
+					     struct mount_options *options)
+{
+	char address[NI_MAXHOST];
+	char new_option[512];
+	int len;
+
+	if (!nfs_present_sockaddr(sap, salen, address, sizeof(address)))
+		goto out_err;
+
+	len = snprintf(new_option, sizeof(new_option), "%s=%s",
+						keyword, address);
+	if (len < 0 || (size_t)len >= sizeof(new_option))
+		goto out_err;
+
+	if (po_append(options, new_option) != PO_SUCCEEDED)
+		goto out_err;
+
+	return 1;
+
+out_err:
+	nfs_error(_("%s: failed to construct %s option"), progname, keyword);
+	return 0;
+}
+
+/*
+ * Append the 'addr=' option to the options string to pass a resolved
+ * server address to the kernel.  After a successful mount, this address
+ * is also added to /etc/mtab for use when unmounting.
+ *
+ * If 'addr=' is already present, we strip it out.  This prevents users
+ * from setting a bogus 'addr=' option themselves, and also allows bg
+ * retries to recompute the server's address, in case it has changed.
+ *
+ * Returns 1 if 'addr=' option appended successfully;
+ * otherwise zero.
+ */
+static int nfs_append_addr_option(const struct sockaddr *sap,
+				  socklen_t salen,
+				  struct mount_options *options)
+{
+	po_remove_all(options, "addr");
+	return nfs_append_generic_address_option(sap, salen, "addr", options);
+}
+
+/*
+ * Called to discover our address and append an appropriate 'clientaddr='
+ * option to the options string. If the supplied 'clientaddr=' value does
+ * not match either IPV4/IPv6 any or a local address, then fail the mount.
+ *
+ * Returns 1 if 'clientaddr=' option created successfully or if
+ * 'clientaddr=' option is already present; otherwise zero.
+ */
+static int nfs_append_clientaddr_option(const struct sockaddr *sap,
+					socklen_t salen,
+					struct mount_options *options)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *my_addr = &address.sa;
+	socklen_t my_len = sizeof(address);
+
+	if (po_contains(options, "clientaddr") == PO_FOUND) {
+		char *addr = po_get(options, "clientaddr");
+		union nfs_sockaddr nfs_address;
+		struct sockaddr *nfs_saddr = &nfs_address.sa;
+		socklen_t nfs_salen = sizeof(nfs_address);
+
+		/* translate the input for clientaddr to nfs_sockaddr */
+		if (!nfs_string_to_sockaddr(addr, nfs_saddr, &nfs_salen))
+			return 0;
+
+		/* check for IPV4_ANY and IPV6_ANY */
+		if (nfs_is_inaddr_any(nfs_saddr))
+			return 1;
+
+		/* check if ip matches local network addresses */
+		if (!nfs_addr_matches_localips(nfs_saddr))
+			nfs_error(_("%s: [warning] supplied clientaddr=%s "
+				"does not match any existing network "
+				"addresses"), progname, addr);
+		return 1;
+	}
+
+	nfs_callback_address(sap, salen, my_addr, &my_len);
+
+	return nfs_append_generic_address_option(my_addr, my_len,
+							"clientaddr", options);
+}
+
+/*
+ * Determine whether to append a 'mountaddr=' option.  The option is needed if:
+ *
+ *   1. "mounthost=" was specified, or
+ *   2. The address families for proto= and mountproto= are different.
+ */
+static int nfs_fix_mounthost_option(struct mount_options *options,
+		const char *nfs_hostname)
+{
+	union nfs_sockaddr address;
+	struct sockaddr *sap = &address.sa;
+	socklen_t salen = sizeof(address);
+	sa_family_t nfs_family, mnt_family;
+	char *mounthost;
+
+	if (!nfs_nfs_proto_family(options, &nfs_family))
+		return 0;
+	if (!nfs_mount_proto_family(options, &mnt_family))
+		return 0;
+
+	mounthost = po_get(options, "mounthost");
+	if (mounthost == NULL) {
+		if (nfs_family == mnt_family)
+			return 1;
+		mounthost = (char *)nfs_hostname;
+	}
+
+	if (!nfs_lookup(mounthost, mnt_family, sap, &salen)) {
+		nfs_error(_("%s: unable to determine mount server's address"),
+				progname);
+		return 0;
+	}
+
+	return nfs_append_generic_address_option(sap, salen,
+							"mountaddr", options);
+}
+
+/*
+ * Returns zero if the "lock" option is in effect, but statd
+ * can't be started.  Otherwise, returns 1.
+ */
+static const char *nfs_lock_opttbl[] = {
+	"nolock",
+	"lock",
+	NULL,
+};
+
+static int nfs_verify_lock_option(struct mount_options *options)
+{
+	if (po_rightmost(options, nfs_lock_opttbl) == 0)
+		return 1;
+
+	if (!start_statd()) {
+		nfs_error(_("%s: rpc.statd is not running but is "
+			    "required for remote locking."), progname);
+		nfs_error(_("%s: Either use '-o nolock' to keep "
+			    "locks local, or start statd."), progname);
+		errno = EALREADY; /* Don't print further error message */
+		return 0;
+	}
+
+	return 1;
+}
+
+static int nfs_insert_sloppy_option(struct mount_options *options)
+{
+	if (linux_version_code() < MAKE_VERSION(2, 6, 27))
+		return 1;
+
+	if (po_contains(options, "sloppy")) {
+		po_remove_all(options, "sloppy");
+		sloppy++;
+	}
+
+	if (sloppy) {
+		if (po_insert(options, "sloppy") == PO_FAILED)
+			return 0;
+	}
+
+	return 1;
+}
+
+static int nfs_set_version(struct nfsmount_info *mi)
+{
+
+	if (!nfs_nfs_version(mi->type, mi->options, &mi->version))
+		return 0;
+
+	/*
+	 * Before 2.6.32, the kernel NFS client didn't
+	 * support "-t nfs vers=4" mounts, so NFS version
+	 * 4 cannot be included when autonegotiating
+	 * while running on those kernels.
+	 */
+	if (mi->version.v_mode == V_DEFAULT &&
+	    linux_version_code() <= MAKE_VERSION(2, 6, 31)) {
+		mi->version.major = 3;
+		mi->version.v_mode = V_SPECIFIC;
+	}
+
+	/*
+	 * If we still don't know, check for version-specific
+	 * mount options.
+	 */
+	if (mi->version.v_mode == V_DEFAULT) {
+		if (po_contains(mi->options, "mounthost") ||
+		    po_contains(mi->options, "mountaddr") ||
+		    po_contains(mi->options, "mountvers") ||
+		    po_contains(mi->options, "mountproto")) {
+			mi->version.major = 3;
+			mi->version.v_mode = V_SPECIFIC;
+		}
+	}
+
+	/*
+	 * If enabled, see if the default version was
+	 * set in the config file
+	 */
+	if (mi->version.v_mode != V_SPECIFIC) {
+		nfs_default_version(mi);
+		/*
+		 * If the version was not specifically set, it will
+		 * be set by autonegotiation later, so remove it now:
+		 */
+		po_remove_all(mi->options, "v4");
+		po_remove_all(mi->options, "vers");
+		po_remove_all(mi->options, "nfsvers");
+	}
+
+	if (mi->version.v_mode == V_PARSE_ERR)
+		return 0;
+
+	return 1;
+}
+
+/*
+ * Set up mandatory non-version specific NFS mount options.
+ *
+ * Returns 1 if successful; otherwise zero.
+ */
+static int nfs_validate_options(struct nfsmount_info *mi)
+{
+	/* For remount, ignore mi->spec: the kernel will. */
+	if (!(mi->flags & MS_REMOUNT) &&
+	    !nfs_parse_devname(mi->spec, &mi->hostname, NULL))
+		return 0;
+
+	if (!nfs_nfs_proto_family(mi->options, &mi->family))
+		return 0;
+
+	/*
+	 * A remount is not going to be able to change the server's address,
+	 * nor should we try to resolve another address for the server as we
+	 * may end up with a different address.
+	 * A non-remount will set 'addr' from ->hostname
+	 */
+	po_remove_all(mi->options, "addr");
+
+	if (!nfs_set_version(mi))
+		return 0;
+
+	if (!nfs_insert_sloppy_option(mi->options))
+		return 0;
+
+	return 1;
+}
+
+/*
+ * Get NFS/mnt server addresses from mount options
+ *
+ * Returns 1 and fills in @nfs_saddr, @nfs_salen, @mnt_saddr, and @mnt_salen
+ * if all goes well; otherwise zero.
+ */
+static int nfs_extract_server_addresses(struct mount_options *options,
+					struct sockaddr *nfs_saddr,
+					socklen_t *nfs_salen,
+					struct sockaddr *mnt_saddr,
+					socklen_t *mnt_salen)
+{
+	char *option;
+
+	option = po_get(options, "addr");
+	if (option == NULL)
+		return 0;
+	if (!nfs_string_to_sockaddr(option, nfs_saddr, nfs_salen))
+		return 0;
+
+	option = po_get(options, "mountaddr");
+	if (option == NULL) {
+		memcpy(mnt_saddr, nfs_saddr, *nfs_salen);
+		*mnt_salen = *nfs_salen;
+	} else if (!nfs_string_to_sockaddr(option, mnt_saddr, mnt_salen))
+		return 0;
+
+	return 1;
+}
+
+static int nfs_construct_new_options(struct mount_options *options,
+				     struct sockaddr *nfs_saddr,
+				     struct pmap *nfs_pmap,
+				     struct sockaddr *mnt_saddr,
+				     struct pmap *mnt_pmap)
+{
+	char new_option[64];
+	char *netid;
+
+	po_remove_all(options, "nfsprog");
+	po_remove_all(options, "mountprog");
+
+	po_remove_all(options, "v2");
+	po_remove_all(options, "v3");
+	po_remove_all(options, "vers");
+	po_remove_all(options, "nfsvers");
+	snprintf(new_option, sizeof(new_option) - 1,
+		 "vers=%lu", nfs_pmap->pm_vers);
+	if (po_append(options, new_option) == PO_FAILED)
+		return 0;
+
+	po_remove_all(options, "proto");
+	po_remove_all(options, "udp");
+	po_remove_all(options, "tcp");
+	netid = nfs_get_netid(nfs_saddr->sa_family, nfs_pmap->pm_prot);
+	if (netid == NULL)
+		return 0;
+	snprintf(new_option, sizeof(new_option) - 1,
+			 "proto=%s", netid);
+	free(netid);
+	if (po_append(options, new_option) == PO_FAILED)
+		return 0;
+
+	if(po_remove_all(options, "port") == PO_FOUND ||
+	   nfs_pmap->pm_port != NFS_PORT) {
+		snprintf(new_option, sizeof(new_option) - 1,
+			 "port=%lu", nfs_pmap->pm_port);
+		if (po_append(options, new_option) == PO_FAILED)
+			return 0;
+	}
+
+	po_remove_all(options, "mountvers");
+	snprintf(new_option, sizeof(new_option) - 1,
+		 "mountvers=%lu", mnt_pmap->pm_vers);
+	if (po_append(options, new_option) == PO_FAILED)
+		return 0;
+
+	po_remove_all(options, "mountproto");
+	netid = nfs_get_netid(mnt_saddr->sa_family, mnt_pmap->pm_prot);
+	if (netid == NULL)
+		return 0;
+	snprintf(new_option, sizeof(new_option) - 1,
+			 "mountproto=%s", netid);
+	free(netid);
+	if (po_append(options, new_option) == PO_FAILED)
+		return 0;
+
+	po_remove_all(options, "mountport");
+	snprintf(new_option, sizeof(new_option) - 1,
+		 "mountport=%lu", mnt_pmap->pm_port);
+	if (po_append(options, new_option) == PO_FAILED)
+		return 0;
+
+	return 1;
+}
+
+/*
+ * Reconstruct the mount option string based on a portmapper probe
+ * of the server.  Returns one if the server's portmapper returned
+ * something we can use, otherwise zero.
+ *
+ * To handle version and transport protocol fallback properly, we
+ * need to parse some of the mount options in order to set up a
+ * portmap probe.  Mount options that nfs_rewrite_pmap_mount_options()
+ * doesn't recognize are left alone.
+ *
+ * Returns TRUE if rewriting was successful; otherwise
+ * FALSE is returned if some failure occurred.
+ */
+static int
+nfs_rewrite_pmap_mount_options(struct mount_options *options, int checkv4)
+{
+	union nfs_sockaddr nfs_address;
+	struct sockaddr *nfs_saddr = &nfs_address.sa;
+	socklen_t nfs_salen = sizeof(nfs_address);
+	struct pmap nfs_pmap;
+	union nfs_sockaddr mnt_address;
+	struct sockaddr *mnt_saddr = &mnt_address.sa;
+	socklen_t mnt_salen = sizeof(mnt_address);
+	unsigned long protocol;
+	struct pmap mnt_pmap;
+
+	/* initialize structs */
+	memset(&nfs_pmap, 0, sizeof(struct pmap));
+	memset(&mnt_pmap, 0, sizeof(struct pmap));
+
+	/*
+	 * Version and transport negotiation is not required
+	 * and does not work for RDMA mounts.
+	 */
+	if (!nfs_nfs_protocol(options, &protocol)) {
+		errno = EINVAL;
+		return 0;
+	}
+	if (protocol == NFSPROTO_RDMA)
+		goto out;
+
+	/*
+	 * Extract just the options needed to contact server.
+	 * Bail now if any of these have bad values.
+	 */
+	if (!nfs_extract_server_addresses(options, nfs_saddr, &nfs_salen,
+						mnt_saddr, &mnt_salen)) {
+		errno = EINVAL;
+		return 0;
+	}
+	if (!nfs_options2pmap(options, &nfs_pmap, &mnt_pmap)) {
+		errno = EINVAL;
+		return 0;
+	}
+
+	/*
+	 * The kernel NFS client doesn't support changing the RPC
+	 * program number for these services, so force the value of
+	 * these fields before probing the server's ports.
+	 */
+	nfs_pmap.pm_prog = NFS_PROGRAM;
+	mnt_pmap.pm_prog = MOUNTPROG;
+
+	/*
+	 * If the server's rpcbind service isn't available, we can't
+	 * negotiate.  Bail now if we can't contact it.
+	 */
+	if (!nfs_probe_bothports(mnt_saddr, mnt_salen, &mnt_pmap,
+				 nfs_saddr, nfs_salen, &nfs_pmap, checkv4)) {
+		errno = ESPIPE;
+		if (rpc_createerr.cf_stat == RPC_PROGNOTREGISTERED)
+			errno = EOPNOTSUPP;
+		else if (rpc_createerr.cf_stat == RPC_AUTHERROR)
+			errno = EACCES;
+		else if (rpc_createerr.cf_stat == RPC_TIMEDOUT)
+			errno = ETIMEDOUT;
+		else if (rpc_createerr.cf_stat == RPC_PROGVERSMISMATCH)
+			errno = EPROTONOSUPPORT;
+		else if (rpc_createerr.cf_error.re_errno != 0)
+			errno = rpc_createerr.cf_error.re_errno;
+		return 0;
+	}
+
+	if (!nfs_construct_new_options(options, nfs_saddr, &nfs_pmap,
+					mnt_saddr, &mnt_pmap)) {
+		if (rpc_createerr.cf_stat == RPC_UNKNOWNPROTO)
+			errno = EPROTONOSUPPORT;
+		else
+			errno = EINVAL;
+		return 0;
+	}
+
+out:
+	errno = 0;
+	return 1;
+}
+
+/*
+ * Do the mount(2) system call.
+ *
+ * Returns TRUE if successful, otherwise FALSE.
+ * "errno" is set to reflect the individual error.
+ */
+static int nfs_sys_mount(struct nfsmount_info *mi, struct mount_options *opts)
+{
+	char *options = NULL;
+	int result;
+
+	if (mi->fake)
+		return 1;
+
+	if (po_join(opts, &options) == PO_FAILED) {
+		errno = EIO;
+		return 0;
+	}
+
+	result = mount(mi->spec, mi->node, mi->type,
+			mi->flags & ~(MS_USER|MS_USERS), options);
+	free(options);
+
+	if (verbose && result) {
+		int save = errno;
+		nfs_error(_("%s: mount(2): %s"), progname, strerror(save));
+		errno = save;
+	}
+	return !result;
+}
+
+static int nfs_do_mount_v3v2(struct nfsmount_info *mi,
+			     struct sockaddr *sap, socklen_t salen,
+			     int checkv4)
+{
+	struct mount_options *options = po_dup(mi->options);
+	int result = 0;
+
+	if (!options) {
+		errno = ENOMEM;
+		return result;
+	}
+	errno = 0;
+	if (!nfs_append_addr_option(sap, salen, options)) {
+		if (errno == 0)
+			errno = EINVAL;
+		goto out_fail;
+	}
+
+	if (!nfs_fix_mounthost_option(options, mi->hostname)) {
+		if (errno == 0)
+			errno = EINVAL;
+		goto out_fail;
+	}
+	if (!mi->fake && !nfs_verify_lock_option(options)) {
+		if (errno == 0)
+			errno = EINVAL;
+		goto out_fail;
+	}
+
+	/*
+	 * Options we negotiate below may be stale by the time this
+	 * file system is unmounted.  In order to force umount.nfs
+	 * to renegotiate with the server, only write the user-
+	 * specified options, and not negotiated options, to /etc/mtab.
+	 */
+	if (po_join(options, mi->extra_opts) == PO_FAILED) {
+		errno = ENOMEM;
+		goto out_fail;
+	}
+
+	if (verbose)
+		printf(_("%s: trying text-based options '%s'\n"),
+			progname, *mi->extra_opts);
+
+	if (!nfs_rewrite_pmap_mount_options(options, checkv4))
+		goto out_fail;
+
+	result = nfs_sys_mount(mi, options);
+
+out_fail:
+	po_destroy(options);
+	return result;
+}
+
+/*
+ * Attempt a "-t nfs vers=2" or "-t nfs vers=3" mount.
+ *
+ * Returns TRUE if successful, otherwise FALSE.
+ * "errno" is set to reflect the individual error.
+ */
+static int nfs_try_mount_v3v2(struct nfsmount_info *mi, int checkv4)
+{
+	struct addrinfo *ai;
+	int ret = 0;
+
+	for (ai = mi->address; ai != NULL; ai = ai->ai_next) {
+		ret = nfs_do_mount_v3v2(mi, ai->ai_addr, ai->ai_addrlen, checkv4);
+		if (ret != 0)
+			return ret;
+
+		switch (errno) {
+		case ECONNREFUSED:
+		case EOPNOTSUPP:
+		case EHOSTUNREACH:
+		case ETIMEDOUT:
+		case EACCES:
+			continue;
+		default:
+			goto out;
+		}
+	}
+out:
+	return ret;
+}
+
+static int nfs_do_mount_v4(struct nfsmount_info *mi,
+		struct sockaddr *sap, socklen_t salen)
+{
+	struct mount_options *options = po_dup(mi->options);
+	int result = 0;
+	char version_opt[32];
+	char *extra_opts = NULL;
+
+	if (!options) {
+		errno = ENOMEM;
+		return result;
+	}
+
+	if (po_contains(options, "mounthost") ||
+		po_contains(options, "mountaddr") ||
+		po_contains(options, "mountvers") ||
+		po_contains(options, "mountport") ||
+		po_contains(options, "mountproto")) {
+	/*
+	 * Since these mountd options are set assume version 3
+	 * is wanted so error out with EPROTONOSUPPORT so the
+	 * protocol negation starts with v3.
+	 */
+		if (verbose) {
+			printf(_("%s: Unsupported nfs4 mount option(s) passed '%s'\n"),
+				progname, *mi->extra_opts);
+		}
+		errno = EPROTONOSUPPORT;
+		goto out_fail;
+	}
+
+	if (mi->version.v_mode != V_SPECIFIC) {
+		char *fmt;
+		switch (mi->version.minor) {
+			/* Old kernels don't support the new "vers=x.y"
+			 * option, but do support old versions of NFS4.
+			 * So use the format that is most widely understood.
+			 */
+		case 0:
+			fmt = "vers=%lu";
+			break;
+		case 1:
+			fmt = "vers=%lu,minorversion=%lu";
+			break;
+		default:
+			fmt = "vers=%lu.%lu";
+			break;
+		}
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+		snprintf(version_opt, sizeof(version_opt) - 1,
+			fmt, mi->version.major,
+			mi->version.minor);
+#pragma GCC diagnostic warning "-Wformat-nonliteral"
+
+		if (po_append(options, version_opt) == PO_FAILED) {
+			errno = EINVAL;
+			goto out_fail;
+		}
+	} else if (po_get(options, "minorversion") &&
+		linux_version_code() > MAKE_VERSION(3, 4, 0)) {
+		/*
+	 	 * convert minorversion= into vers=4.x
+	 	 */
+		po_remove_all(options, "minorversion");
+
+		snprintf(version_opt, sizeof(version_opt) - 1,
+			"vers=%lu.%lu", mi->version.major,
+			mi->version.minor);
+
+		if (po_append(options, version_opt) == PO_FAILED) {
+			errno = EINVAL;
+			goto out_fail;
+		}
+	}
+
+	if (!nfs_append_addr_option(sap, salen, options)) {
+		errno = EINVAL;
+		goto out_fail;
+	}
+
+	if (!nfs_append_clientaddr_option(sap, salen, options)) {
+		errno = EINVAL;
+		goto out_fail;
+	}
+
+	if (po_join(options, &extra_opts) == PO_FAILED) {
+		errno = ENOMEM;
+		goto out_fail;
+	}
+
+	if (verbose)
+		printf(_("%s: trying text-based options '%s'\n"),
+			progname, extra_opts);
+
+	result = nfs_sys_mount(mi, options);
+
+	/*
+	 * If success, update option string to be recorded in /etc/mtab.
+	 */
+	if (result) {
+	    free(*mi->extra_opts);
+	    *mi->extra_opts = extra_opts;
+	} else
+	    free(extra_opts);
+
+out_fail:
+	po_destroy(options);
+	return result;
+}
+
+/*
+ * Attempt a "-t nfs -o vers=4" or "-t nfs4" mount.
+ *
+ * Returns TRUE if successful, otherwise FALSE.
+ * "errno" is set to reflect the individual error.
+ */
+static int nfs_try_mount_v4(struct nfsmount_info *mi)
+{
+	struct addrinfo *ai;
+	int ret = 0;
+
+	for (ai = mi->address; ai != NULL; ai = ai->ai_next) {
+		ret = nfs_do_mount_v4(mi, ai->ai_addr, ai->ai_addrlen);
+		if (ret != 0)
+			return ret;
+
+		switch (errno) {
+		case ECONNREFUSED:
+		case EHOSTUNREACH:
+		case ETIMEDOUT:
+		case EACCES:
+			continue;
+		default:
+			goto out;
+		}
+	}
+out:
+	return ret;
+}
+
+/*
+ * Handle NFS version and transport protocol
+ * autonegotiation.
+ *
+ * When no version or protocol is specified on the
+ * command line, mount.nfs negotiates with the server
+ * to determine appropriate settings for the new
+ * mount point.
+ *
+ * Returns TRUE if successful, otherwise FALSE.
+ * "errno" is set to reflect the individual error.
+ */
+static int nfs_autonegotiate(struct nfsmount_info *mi)
+{
+	int result, olderrno;
+
+	result = nfs_try_mount_v4(mi);
+check_result:
+	if (result)
+		return result;
+
+	switch (errno) {
+	case EPROTONOSUPPORT:
+		/* A clear indication that the server or our
+		 * client does not support NFS version 4 and minor */
+	case EINVAL:
+		/* A less clear indication that our client
+		 * does not support NFSv4 minor version. */
+	case EACCES:
+		/* An unclear indication that the server
+		 * may not support NFSv4 minor version. */
+		if (mi->version.v_mode != V_SPECIFIC) {
+			if (mi->version.minor > 0) {
+				mi->version.minor--;
+				result = nfs_try_mount_v4(mi);
+				goto check_result;
+			}
+		}
+
+		goto fall_back;
+	case ENOENT:
+		/* Legacy Linux servers don't export an NFS
+		 * version 4 pseudoroot. */
+		goto fall_back;
+	case EPERM:
+		/* Linux servers prior to 2.6.25 may return
+		 * EPERM when NFS version 4 is not supported. */
+		goto fall_back;
+	case ECONNREFUSED:
+		/* UDP-Only servers won't support v4, but maybe it
+		 * just isn't ready yet.  So try v3, but double-check
+		 * with rpcbind for v4. */
+		if (mi->version.v_mode == V_GENERAL)
+			/* Mustn't try v2,v3 */
+			return result;
+		result = nfs_try_mount_v3v2(mi, TRUE);
+		if (result == 0 && errno == EAGAIN) {
+			/* v4 server seems to be registered now. */
+			result = nfs_try_mount_v4(mi);
+			if (result == 0 && errno != ECONNREFUSED)
+				goto check_result;
+		} else if (result == 0)
+			/* Restore original errno with v3 failures */
+			errno = ECONNREFUSED;
+
+		return result;
+	default:
+		return result;
+	}
+
+fall_back:
+	if (mi->version.v_mode == V_GENERAL)
+		/* v2,3 fallback not allowed */
+		return result;
+
+	/*
+	 * Save the original errno in case the v3 
+	 * mount fails from one of the fall_back cases. 
+	 * Report the first failure not the v3 mount failure
+	 */
+	olderrno = errno;
+	if ((result = nfs_try_mount_v3v2(mi, FALSE)))
+		return result;
+
+	if (errno != EBUSY && errno != EACCES)
+		errno = olderrno;
+
+	return result;
+}
+
+/*
+ * This is a single pass through the fg/bg loop.
+ *
+ * Returns TRUE if successful, otherwise FALSE.
+ * "errno" is set to reflect the individual error.
+ */
+static int nfs_try_mount(struct nfsmount_info *mi)
+{
+	int result = 0;
+
+	if (mi->address == NULL) {
+		struct addrinfo hint = {
+			.ai_protocol	= (int)IPPROTO_UDP,
+		};
+		int error;
+		struct addrinfo *address;
+
+		hint.ai_family = (int)mi->family;
+		error = getaddrinfo(mi->hostname, NULL, &hint, &address);
+		if (error != 0) {
+			if (error == EAI_AGAIN)
+				errno = EAGAIN;
+			else {
+				nfs_error(_("%s: Failed to resolve server %s: %s"),
+					  progname, mi->hostname, gai_strerror(error));
+				errno = EALREADY;
+			}
+			return 0;
+		}
+
+		if (!nfs_append_addr_option(address->ai_addr,
+					    address->ai_addrlen, mi->options)) {
+			nfs_freeaddrinfo(address);
+			errno = ENOMEM;
+			return 0;
+		}
+		mi->address = address;
+	}
+
+	switch (mi->version.major) {
+		case 3:
+			result = nfs_try_mount_v3v2(mi, FALSE);
+			break;
+		case 4:
+			if (mi->version.v_mode != V_SPECIFIC)
+				result = nfs_autonegotiate(mi);
+			else
+				result = nfs_try_mount_v4(mi);
+			break;
+		default:
+			errno = EIO;
+	}
+
+	return result;
+}
+
+/*
+ * Distinguish between permanent and temporary errors.
+ *
+ * Basically, we retry if communication with the server has
+ * failed so far, but fail immediately if there is a local
+ * error (like a bad mount option).
+ *
+ * If there is a remote error, like ESTALE or RPC_PROGNOTREGISTERED
+ * then it is probably permanent, but there is a small chance
+ * the it is temporary can we caught the server at an awkward
+ * time during start-up.  So require that we see three of those
+ * before treating them as permanent.
+ * For ECONNREFUSED, wait a bit longer as there is often a longer
+ * gap between the network being ready and the NFS server starting.
+ *
+ * Returns 1 if we should fail immediately, or 0 if we
+ * should retry.
+ */
+static int nfs_is_permanent_error(int error)
+{
+	static int prev_error;
+	static int rpt_cnt;
+
+	if (error == prev_error)
+		rpt_cnt += 1;
+	else
+		rpt_cnt = 1;
+	prev_error = error;
+
+	switch (error) {
+	case ESTALE:
+	case EOPNOTSUPP:	/* aka RPC_PROGNOTREGISTERED */
+		/* If two in a row, assume permanent */
+		return rpt_cnt >= 3;
+	case ECONNREFUSED:
+		/* Like the above, this can be temporary during a
+		 * small window.  However it is typically a larger
+		 * window than for the others, and we have historically
+		 * treated this as a temporary (i.e. long timeout)
+		 * error with no complaints, so continue to treat
+		 * it as temporary.
+		 */
+		return 0;	/* temporary */
+	case ETIMEDOUT:
+	case EHOSTUNREACH:
+	case EAGAIN:
+		return 0;	/* temporary */
+	default:
+		return 1;	/* permanent */
+	}
+}
+
+/*
+ * Handle "foreground" NFS mounts.
+ *
+ * Retry the mount request for as long as the 'retry=' option says.
+ *
+ * Returns a valid mount command exit code.
+ */
+static int nfsmount_fg(struct nfsmount_info *mi)
+{
+	unsigned int secs = 1;
+	time_t timeout;
+
+	timeout = nfs_parse_retry_option(mi->options,
+					 NFS_DEF_FG_TIMEOUT_MINUTES);
+	if (verbose)
+		printf(_("%s: timeout set for %s"),
+			progname, ctime(&timeout));
+
+	for (;;) {
+		if (nfs_try_mount(mi))
+			return EX_SUCCESS;
+
+		if (errno == EBUSY && is_mountpoint(mi->node)) {
+			/*
+			 * EBUSY can happen when mounting a filesystem that
+			 * is already mounted or when the context= are
+			 * different when using the -o sharecache
+			 *
+			 * Only error out in the latter case.
+			 */
+			return EX_SUCCESS;
+		}
+
+		if (nfs_is_permanent_error(errno))
+			break;
+
+		if (time(NULL) > timeout)
+			break;
+
+		if (errno != ETIMEDOUT) {
+			if (sleep(secs))
+				break;
+			secs <<= 1;
+			if (secs > 10)
+				secs = 10;
+		}
+	}
+
+	mount_error(mi->spec, mi->node, errno);
+	return EX_FAIL;
+}
+
+/*
+ * Handle "background" NFS mount [first try]
+ *
+ * Returns a valid mount command exit code.
+ *
+ * EX_BG should cause the caller to fork and invoke nfsmount_child.
+ */
+static int nfsmount_parent(struct nfsmount_info *mi)
+{
+	if (nfs_try_mount(mi))
+		return EX_SUCCESS;
+
+	if (nfs_is_permanent_error(errno)) {
+		mount_error(mi->spec, mi->node, errno);
+		return EX_FAIL;
+	}
+
+	sys_mount_errors(mi->hostname, errno, 1, 1);
+	return EX_BG;
+}
+
+/*
+ * Handle "background" NFS mount [retry daemon]
+ *
+ * Returns a valid mount command exit code: EX_SUCCESS if successful,
+ * EX_FAIL if a failure occurred.  There's nothing to catch the
+ * error return, though, so we use sys_mount_errors to log the
+ * failure.
+ */
+static int nfsmount_child(struct nfsmount_info *mi)
+{
+	unsigned int secs = 1;
+	time_t timeout;
+
+	timeout = nfs_parse_retry_option(mi->options,
+					 NFS_DEF_BG_TIMEOUT_MINUTES);
+
+	for (;;) {
+		if (sleep(secs))
+			break;
+		secs <<= 1;
+		if (secs > 120)
+			secs = 120;
+
+		if (nfs_try_mount(mi))
+			return EX_SUCCESS;
+
+		if (nfs_is_permanent_error(errno))
+			break;
+
+		if (time(NULL) > timeout)
+			break;
+
+		sys_mount_errors(mi->hostname, errno, 1, 1);
+	};
+
+	sys_mount_errors(mi->hostname, errno, 1, 0);
+	return EX_FAIL;
+}
+
+/*
+ * Handle "background" NFS mount
+ *
+ * Returns a valid mount command exit code.
+ */
+static int nfsmount_bg(struct nfsmount_info *mi)
+{
+	if (!mi->child)
+		return nfsmount_parent(mi);
+	else
+		return nfsmount_child(mi);
+}
+
+/*
+ * Usually all that is needed for an NFS remount is to change
+ * generic mount options like "sync" or "ro".  These generic
+ * options are controlled by mi->flags, not by text-based
+ * options, and no contact with the server is needed.
+ *
+ * Take care with the /etc/mtab entry for this mount; just
+ * calling update_mtab() will change an "-t nfs -o vers=4"
+ * mount to an "-t nfs -o remount" mount, and that will
+ * confuse umount.nfs.
+ *
+ * Returns a valid mount command exit code.
+ */
+static int nfs_remount(struct nfsmount_info *mi)
+{
+	if (nfs_sys_mount(mi, mi->options))
+		return EX_SUCCESS;
+	mount_error(mi->spec, mi->node, errno);
+	return EX_FAIL;
+}
+
+/*
+ * Process mount options and try a mount system call.
+ *
+ * Returns a valid mount command exit code.
+ */
+static const char *nfs_background_opttbl[] = {
+	"bg",
+	"fg",
+	NULL,
+};
+
+static int nfsmount_start(struct nfsmount_info *mi)
+{
+	if (!nfs_validate_options(mi))
+		return EX_FAIL;
+
+	/* 
+	 * NFS v2 has been deprecated
+	 */
+	if (mi->version.major == 2) {
+		mount_error(mi->spec, mi->node, EOPNOTSUPP);
+		return EX_FAIL;
+	}
+
+	/*
+	 * Avoid retry and negotiation logic when remounting
+	 */
+	if (mi->flags & MS_REMOUNT)
+		return nfs_remount(mi);
+
+	if (po_rightmost(mi->options, nfs_background_opttbl) == 0)
+		return nfsmount_bg(mi);
+	else
+		return nfsmount_fg(mi);
+}
+
+/**
+ * nfsmount_string - Mount an NFS file system using C string options
+ * @spec: C string specifying remote share to mount ("hostname:path")
+ * @node: C string pathname of local mounted-on directory
+ * @type: C string that represents file system type ("nfs" or "nfs4")
+ * @flags: MS_ style mount flags
+ * @extra_opts:	pointer to C string containing fs-specific mount options
+ *		(input and output argument)
+ * @fake: flag indicating whether to carry out the whole operation
+ * @child: one if this is a mount daemon (bg)
+ *
+ * Returns a valid mount command exit code.
+ */
+int nfsmount_string(const char *spec, const char *node, char *type,
+		    int flags, char **extra_opts, int fake, int child)
+{
+	struct nfsmount_info mi = {
+		.spec		= spec,
+		.node		= node,
+		.address	= NULL,
+		.type		= type,
+		.extra_opts	= extra_opts,
+		.flags		= flags,
+		.fake		= fake,
+		.child		= child,
+	};
+	int retval = EX_FAIL;
+
+	mi.options = po_split(*extra_opts);
+	if (mi.options) {
+		retval = nfsmount_start(&mi);
+		po_destroy(mi.options);
+	} else
+		nfs_error(_("%s: internal option parsing error"), progname);
+
+	nfs_freeaddrinfo(mi.address);
+	free(mi.hostname);
+	return retval;
+}
diff --git a/utils/mount/stropts.h b/utils/mount/stropts.h
new file mode 100644
index 0000000..6acd2ac
--- /dev/null
+++ b/utils/mount/stropts.h
@@ -0,0 +1,30 @@
+/*
+ * stropts.h -- Provide common network functions for NFS mount/umount
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_STROPTS_H
+#define _NFS_UTILS_MOUNT_STROPTS_H
+
+int nfsmount_string(const char *, const char *, char *, int,
+			char **, int, int);
+
+#endif	/* _NFS_UTILS_MOUNT_STROPTS_H */
diff --git a/utils/mount/token.c b/utils/mount/token.c
new file mode 100644
index 0000000..d7e2f4a
--- /dev/null
+++ b/utils/mount/token.c
@@ -0,0 +1,157 @@
+/*
+ * token.c -- tokenize strings, a la strtok(3)
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+/*
+ * We've constructed a simple string tokenizer that is better than
+ * strtok(3) in several ways:
+ *
+ * 1.  It doesn't interfere with ongoing tokenizations using strtok(3).
+ * 2.  It's re-entrant so we can nest tokenizations, if needed.
+ * 3.  It can handle double-quoted delimiters (needed for 'context="sd,fslj"').
+ * 4.  It doesn't alter the string we're tokenizing, so it can work
+ *     on write-protected strings as well as writable strings.
+ */
+
+
+#include <ctype.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "token.h"
+
+
+struct tokenizer_state {
+	char *pos;
+	char delimiter;
+	int error;
+};
+
+static void find_next_nondelimiter(struct tokenizer_state *tstate)
+{
+	while (*tstate->pos != '\0' && *tstate->pos == tstate->delimiter)
+		tstate->pos++;
+}
+
+static size_t find_next_delimiter(struct tokenizer_state *tstate)
+{
+	size_t len = 0;
+	int quote_seen = 0;
+
+	while (*tstate->pos != '\0') {
+		if (*tstate->pos == '"')
+			quote_seen ^= 1;
+
+		if (!quote_seen && *tstate->pos == tstate->delimiter)
+			break;
+
+		len++;
+		tstate->pos++;
+	}
+
+	/* did the string terminate before the close quote? */
+	if (quote_seen) {
+		tstate->error = EINVAL;
+		return 0;
+	}
+
+	return len;
+}
+
+/**
+ * next_token - find the next token in a string and return it
+ * @tstate: pointer to tokenizer context object
+ *
+ * Returns the next token found in the current string.
+ * Returns NULL if there are no more tokens in the string,
+ * or if an error occurs.
+ *
+ * Side effect: tstate is updated
+ */
+char *next_token(struct tokenizer_state *tstate)
+{
+	char *token;
+	size_t len;
+
+	if (!tstate || !tstate->pos || tstate->error)
+		return NULL;
+
+	find_next_nondelimiter(tstate);
+	if (*tstate->pos == '\0')
+		goto fail;
+	token = tstate->pos;
+
+	len = find_next_delimiter(tstate);
+	if (len) {
+		token = strndup(token, len);
+		if (token)
+			return token;
+		tstate->error = ENOMEM;
+	}
+
+fail:
+	tstate->pos = NULL;
+	return NULL;			/* no tokens found in this string */
+}
+
+/**
+ * init_tokenizer - return an initialized tokenizer context object
+ * @string: pointer to C string
+ * @delimiter: single character that delimits tokens in @string
+ *
+ * Returns an initialized tokenizer context object
+ */
+struct tokenizer_state *init_tokenizer(char *string, char delimiter)
+{
+	struct tokenizer_state *tstate;
+
+	tstate = malloc(sizeof(*tstate));
+	if (tstate) {
+		tstate->pos = string;
+		tstate->delimiter = delimiter;
+		tstate->error = 0;
+	}
+	return tstate;
+}
+
+/**
+ * tokenizer_error - digs error value out of tokenizer context
+ * @tstate: pointer to tokenizer context object
+ *
+ */
+int tokenizer_error(struct tokenizer_state *tstate)
+{
+	return tstate ? tstate->error : 0;
+}
+
+/**
+ * end_tokenizer - free a tokenizer context object
+ * @tstate: pointer to tokenizer context object
+ *
+ */
+void end_tokenizer(struct tokenizer_state *tstate)
+{
+	free(tstate);
+}
diff --git a/utils/mount/token.h b/utils/mount/token.h
new file mode 100644
index 0000000..17a9c15
--- /dev/null
+++ b/utils/mount/token.h
@@ -0,0 +1,34 @@
+/*
+ * token.h -- tokenize strings, a la strtok(3)
+ *
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_TOKEN_H
+#define _NFS_UTILS_MOUNT_TOKEN_H
+
+struct tokenizer_state;
+
+char *next_token(struct tokenizer_state *);
+struct tokenizer_state *init_tokenizer(char *, char);
+int tokenizer_error(struct tokenizer_state *);
+void end_tokenizer(struct tokenizer_state *);
+
+#endif	/* _NFS_UTILS_MOUNT_TOKEN_H */
diff --git a/utils/mount/umount.nfs.man b/utils/mount/umount.nfs.man
new file mode 100644
index 0000000..15addfa
--- /dev/null
+++ b/utils/mount/umount.nfs.man
@@ -0,0 +1,70 @@
+.\"@(#)umount.nfs.8"
+.TH UMOUNT.NFS 8 "6 Jun 2006"
+.SH NAME
+umount.nfs, umount.nfs4 \- unmount a Network File System
+.SH SYNOPSIS
+.BI "umount.nfs" " dir" " [\-fvnrlh ]"
+.SH DESCRIPTION
+.BR umount.nfs
+and
+.BR umount.nfs4
+are a part of 
+.BR nfs (5)
+utilities package, which provides NFS client functionality.
+
+.BR umount.nfs4 
+and
+.BR umount.nfs
+are meant to be used by the
+.BR umount (8)
+command for unmounting NFS shares. This subcommand, however, can also be used as a standalone command with limited functionality.
+
+.I dir 
+is the directory on which the file system is mounted.
+
+.SH OPTIONS
+.TP
+.BI "\-f"
+Force unmount the file system in case of unreachable NFS system.
+.TP
+.BI "\-v"
+Be verbose.
+.TP
+.BI "\-n"
+Do not update 
+.I /etc/mtab. 
+By default, an entry is created in 
+.I /etc/mtab 
+for every mounted file system. Use this option to skip deleting an entry.
+.TP
+.BI "\-r"
+In case unmounting fails, try to mount read-only.
+.TP
+.BI "\-l"
+Lazy unmount. Detach the file system from the file system hierarchy now, and cleanup all references to the file system as soon as it is not busy anymore.
+.TP
+.BI "\-h"
+Print help message.
+
+.SH NOTE
+For further information please refer 
+.BR nfs (5)
+and
+.BR umount (8)
+manual pages.
+
+.SH FILES
+.TP 18n
+.I /etc/fstab
+file system table
+.TP
+.I /etc/mtab
+table of mounted file systems
+
+.PD
+.SH "SEE ALSO"
+.BR nfs (5),
+.BR umount (8),
+
+.SH "AUTHOR"
+Amit Gud <agud@redhat.com>
diff --git a/utils/mount/utils.c b/utils/mount/utils.c
new file mode 100644
index 0000000..865a4a0
--- /dev/null
+++ b/utils/mount/utils.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2010 Karel Zak <kzak@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "sockaddr.h"
+#include "nfs_mount.h"
+#include "nls.h"
+#include "xcommon.h"
+#include "version.h"
+#include "error.h"
+#include "utils.h"
+#include "mount.h"
+#include "network.h"
+#include "parse_dev.h"
+
+extern int verbose;
+extern char *progname;
+
+/*
+ * Choose the version of the nfs_mount_data structure that is appropriate
+ * for the kernel that is doing the mount.
+ *
+ * NFS_MOUNT_VERSION:		maximum version supported by these sources
+ * nfs_mount_data_version:	maximum version supported by the running kernel
+ */
+int discover_nfs_mount_data_version(int *string_ver)
+{
+	unsigned int kernel_version = linux_version_code();
+	int ver = 0;
+
+	*string_ver = 0;
+
+	if (kernel_version) {
+		if (kernel_version < MAKE_VERSION(2, 1, 32))
+			ver = 1;
+		else if (kernel_version < MAKE_VERSION(2, 2, 18))
+			ver = 3;
+		else if (kernel_version < MAKE_VERSION(2, 3, 0))
+			ver = 4;
+		else if (kernel_version < MAKE_VERSION(2, 3, 99))
+			ver = 3;
+		else if (kernel_version < MAKE_VERSION(2, 6, 3))
+			ver = 4;
+		else
+			ver = 6;
+	}
+	if (ver > NFS_MOUNT_VERSION)
+		ver = NFS_MOUNT_VERSION;
+	else
+		if (kernel_version > MAKE_VERSION(2, 6, 22))
+			(*string_ver)++;
+
+	return ver;
+}
+
+void print_one(char *spec, char *node, char *type, char *opts)
+{
+	if (!verbose)
+		return;
+
+	if (opts)
+		printf(_("%s on %s type %s (%s)\n"), spec, node, type, opts);
+	else
+		printf(_("%s on %s type %s\n"), spec, node, type);
+}
+
+void mount_usage(void)
+{
+	printf(_("usage: %s remotetarget dir [-rvVwfnsh] [-o nfsoptions]\n"),
+		progname);
+	printf(_("options:\n"));
+	printf(_("\t-r\t\tMount file system readonly\n"));
+	printf(_("\t-v\t\tVerbose\n"));
+	printf(_("\t-V\t\tPrint version\n"));
+	printf(_("\t-w\t\tMount file system read-write\n"));
+	printf(_("\t-f\t\tFake mount, do not actually mount\n"));
+	printf(_("\t-n\t\tDo not update /etc/mtab\n"));
+	printf(_("\t-s\t\tTolerate sloppy mount options rather than fail\n"));
+	printf(_("\t-h\t\tPrint this help\n"));
+	printf(_("\tnfsoptions\tRefer to mount.nfs(8) or nfs(5)\n\n"));
+}
+
+void umount_usage(void)
+{
+	printf(_("usage: %s dir [-fvnrlh]\n"), progname);
+	printf(_("options:\n\t-f\tforce unmount\n"));
+	printf(_("\t-v\tverbose\n"));
+	printf(_("\t-n\tDo not update /etc/mtab\n"));
+	printf(_("\t-r\tremount\n"));
+	printf(_("\t-l\tlazy unmount\n"));
+	printf(_("\t-h\tprint this help\n\n"));
+}
+
+int chk_mountpoint(const char *mount_point)
+{
+	struct stat sb;
+
+	if (stat(mount_point, &sb) < 0){
+		mount_error(NULL, mount_point, errno);
+		return 1;
+	}
+	if (S_ISDIR(sb.st_mode) == 0){
+		mount_error(NULL, mount_point, ENOTDIR);
+		return 1;
+	}
+	if (getuid() != 0 && geteuid() != 0 && access(mount_point, X_OK) < 0) {
+		mount_error(NULL, mount_point, errno);
+		return 1;
+	}
+
+	return 0;
+}
+
+/*
+ * Pick up certain mount options used during the original mount
+ * from /etc/mtab.  The basics include the server's IP address and
+ * the server pathname of the share to unregister.
+ *
+ * These options might also describe the mount port, mount protocol
+ * version, and transport protocol used to punch through a firewall.
+ * We will need this information to get through the firewall again
+ * to do the umount.
+ *
+ * Note that option parsing failures won't necessarily cause the
+ * umount request to fail.  Those values will be left zero in the
+ * pmap tuple.  If the GETPORT call later fails to disambiguate them,
+ * then we fail.
+ */
+int nfs_umount23(const char *devname, char *string)
+{
+	char *hostname = NULL, *dirname = NULL;
+	struct mount_options *options;
+	int result = EX_FAIL;
+
+	if (!nfs_parse_devname(devname, &hostname, &dirname))
+		return EX_USAGE;
+
+	options = po_split(string);
+	if (options) {
+		result = nfs_umount_do_umnt(options, &hostname, &dirname);
+		po_destroy(options);
+	} else
+		nfs_error(_("%s: option parsing error"), progname);
+
+	free(hostname);
+	free(dirname);
+	return result;
+}
diff --git a/utils/mount/utils.h b/utils/mount/utils.h
new file mode 100644
index 0000000..224918a
--- /dev/null
+++ b/utils/mount/utils.h
@@ -0,0 +1,36 @@
+/*
+ * utils.h -- misc utils for mount and umount
+ *
+ * Copyright (C) 2010 Karel Zak <kzak@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_UTILS_H
+#define _NFS_UTILS_MOUNT_UTILS_H
+
+#include "parse_opt.h"
+
+int discover_nfs_mount_data_version(int *string_ver);
+void print_one(char *spec, char *node, char *type, char *opts);
+void mount_usage(void);
+void umount_usage(void);
+int chk_mountpoint(const char *mount_point);
+
+int nfs_umount23(const char *devname, char *string);
+
+#endif	/* !_NFS_UTILS_MOUNT_UTILS_H */
diff --git a/utils/mount/version.h b/utils/mount/version.h
new file mode 100644
index 0000000..d7cf680
--- /dev/null
+++ b/utils/mount/version.h
@@ -0,0 +1,53 @@
+/*
+ * version.h -- get running kernel version
+ *
+ * Copyright (C) 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_VERSION_H
+#define _NFS_UTILS_MOUNT_VERSION_H
+
+#include <stdio.h>
+#include <limits.h>
+
+#include <sys/utsname.h>
+
+static inline unsigned int MAKE_VERSION(unsigned int p, unsigned int q,
+					unsigned int r)
+{
+	return (65536 * p) + (256 * q) + r;
+}
+
+static inline unsigned int linux_version_code(void)
+{
+	struct utsname my_utsname;
+	unsigned int p, q = 0, r = 0;
+
+	/* UINT_MAX as backward compatibility code should not be run */
+	if (uname(&my_utsname))
+		return UINT_MAX;
+
+	/* UINT_MAX as future versions might not start with an integer */
+	if (sscanf(my_utsname.release, "%u.%u.%u", &p, &q, &r) < 1)
+		return UINT_MAX;
+	
+	return MAKE_VERSION(p, q, r);
+}
+
+#endif	/* _NFS_UTILS_MOUNT_VERSION_H */
diff --git a/utils/mountd/Makefile.am b/utils/mountd/Makefile.am
new file mode 100644
index 0000000..197ef29
--- /dev/null
+++ b/utils/mountd/Makefile.am
@@ -0,0 +1,70 @@
+## Process this file with automake to produce Makefile.in
+
+OPTLIBS		=
+if CONFIG_JUNCTION
+OPTLIBS		+= ../../support/junction/libjunction.la $(LIBXML2)
+endif
+
+man8_MANS	= mountd.man
+EXTRA_DIST	= $(man8_MANS)
+
+RPCPREFIX	= rpc.
+KPREFIX		= @kprefix@
+sbin_PROGRAMS	= mountd
+
+mountd_SOURCES = mountd.c mount_dispatch.c rmtab.c \
+		 svc_run.c mountd.h
+mountd_LDADD = ../../support/export/libexport.a \
+	       ../../support/nfs/libnfs.la \
+	       ../../support/misc/libmisc.a \
+	       ../../support/reexport/libreexport.a \
+	       $(OPTLIBS) \
+	       $(LIBBSD) $(LIBWRAP) $(LIBNSL) $(LIBBLKID) -luuid $(LIBTIRPC) \
+	       $(LIBPTHREAD)
+
+mountd_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) \
+		  -I$(top_builddir)/support/include \
+		  -I$(top_srcdir)/support/export
+
+MAINTAINERCLEANFILES = Makefile.in
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
diff --git a/utils/mountd/Makefile.in b/utils/mountd/Makefile.in
new file mode 100644
index 0000000..7754575
--- /dev/null
+++ b/utils/mountd/Makefile.in
@@ -0,0 +1,941 @@
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+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
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+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+	./$(DEPDIR)/mountd-svc_run.Po
+am__mv = mv -f
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+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+enable_gss = @enable_gss@
+enable_ipv6 = @enable_ipv6@
+enable_mountconfig = @enable_mountconfig@
+enable_nfsv4 = @enable_nfsv4@
+enable_nfsv41 = @enable_nfsv41@
+enable_svcgss = @enable_svcgss@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+kprefix = @kprefix@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+mountfile = @mountfile@
+nfsconfig = @nfsconfig@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+rpc_pipefsmount = @rpc_pipefsmount@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+startstatd = @startstatd@
+statdpath = @statdpath@
+statduser = @statduser@
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+unitdir = @unitdir@
+OPTLIBS = $(am__append_1)
+man8_MANS = mountd.man
+EXTRA_DIST = $(man8_MANS)
+RPCPREFIX = rpc.
+KPREFIX = @kprefix@
+mountd_SOURCES = mountd.c mount_dispatch.c rmtab.c \
+		 svc_run.c mountd.h
+
+mountd_LDADD = ../../support/export/libexport.a \
+	       ../../support/nfs/libnfs.la \
+	       ../../support/misc/libmisc.a \
+	       ../../support/reexport/libreexport.a \
+	       $(OPTLIBS) \
+	       $(LIBBSD) $(LIBWRAP) $(LIBNSL) $(LIBBLKID) -luuid $(LIBTIRPC) \
+	       $(LIBPTHREAD)
+
+mountd_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) \
+		  -I$(top_builddir)/support/include \
+		  -I$(top_srcdir)/support/export
+
+MAINTAINERCLEANFILES = Makefile.in
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu utils/mountd/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu utils/mountd/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+install-sbinPROGRAMS: $(sbin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(sbindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(sbindir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(sbindir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(sbindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-sbinPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(sbindir)" && rm -f $$files
+
+clean-sbinPROGRAMS:
+	@list='$(sbin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+mountd$(EXEEXT): $(mountd_OBJECTS) $(mountd_DEPENDENCIES) $(EXTRA_mountd_DEPENDENCIES) 
+	@rm -f mountd$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(mountd_OBJECTS) $(mountd_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mountd-mount_dispatch.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mountd-mountd.Po@am__quote@ # am--include-marker
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mountd-svc_run.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
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+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mountd-mountd.o: mountd.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mountd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mountd-mountd.o -MD -MP -MF $(DEPDIR)/mountd-mountd.Tpo -c -o mountd-mountd.o `test -f 'mountd.c' || echo '$(srcdir)/'`mountd.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/mountd-mountd.Tpo $(DEPDIR)/mountd-mountd.Po
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mountd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o mountd-mountd.o `test -f 'mountd.c' || echo '$(srcdir)/'`mountd.c
+
+mountd-mountd.obj: mountd.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mountd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mountd-mountd.obj -MD -MP -MF $(DEPDIR)/mountd-mountd.Tpo -c -o mountd-mountd.obj `if test -f 'mountd.c'; then $(CYGPATH_W) 'mountd.c'; else $(CYGPATH_W) '$(srcdir)/mountd.c'; fi`
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+mountd-mount_dispatch.o: mount_dispatch.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mountd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mountd-mount_dispatch.o -MD -MP -MF $(DEPDIR)/mountd-mount_dispatch.Tpo -c -o mountd-mount_dispatch.o `test -f 'mount_dispatch.c' || echo '$(srcdir)/'`mount_dispatch.c
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+mountd-mount_dispatch.obj: mount_dispatch.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(mountd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT mountd-mount_dispatch.obj -MD -MP -MF $(DEPDIR)/mountd-mount_dispatch.Tpo -c -o mountd-mount_dispatch.obj `if test -f 'mount_dispatch.c'; then $(CYGPATH_W) 'mount_dispatch.c'; else $(CYGPATH_W) '$(srcdir)/mount_dispatch.c'; fi`
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+
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+
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-man8: $(man8_MANS)
+	@$(NORMAL_INSTALL)
+	@list1='$(man8_MANS)'; \
+	list2=''; \
+	test -n "$(man8dir)" \
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+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/mountd-mount_dispatch.Po
+	-rm -f ./$(DEPDIR)/mountd-mountd.Po
+	-rm -f ./$(DEPDIR)/mountd-rmtab.Po
+	-rm -f ./$(DEPDIR)/mountd-svc_run.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) install-exec-hook
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/mountd-mount_dispatch.Po
+	-rm -f ./$(DEPDIR)/mountd-mountd.Po
+	-rm -f ./$(DEPDIR)/mountd-rmtab.Po
+	-rm -f ./$(DEPDIR)/mountd-svc_run.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+	@$(NORMAL_INSTALL)
+	$(MAKE) $(AM_MAKEFLAGS) uninstall-hook
+.MAKE: install-am install-exec-am install-strip uninstall-am
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-exec-hook install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-hook \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/mountd/mount_dispatch.c b/utils/mountd/mount_dispatch.c
new file mode 100644
index 0000000..ba6981d
--- /dev/null
+++ b/utils/mountd/mount_dispatch.c
@@ -0,0 +1,84 @@
+/*
+ * mount_dispatch	This file contains the function dispatch table.
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_TCP_WRAPPER
+#include "tcpwrapper.h"
+#endif
+
+#include "mountd.h"
+#include "rpcmisc.h"
+
+/*
+ * Procedures for MNTv1
+ */
+static struct rpc_dentry mnt_1_dtable[] = {
+	dtable_ent(mount_null,1,void,void),		/* NULL */
+	dtable_ent(mount_mnt,1,dirpath,fhstatus),	/* MNT */
+	dtable_ent(mount_dump,1,void,mountlist),	/* DUMP */
+	dtable_ent(mount_umnt,1,dirpath,void),		/* UMNT */
+	dtable_ent(mount_umntall,1,void,void),		/* UMNTALL */
+	dtable_ent(mount_export,1,void,exports),	/* EXPORT */
+	dtable_ent(mount_exportall,1,void,exports),	/* EXPORTALL */
+};
+
+/*
+ * Procedures for MNTv2
+ */
+static struct rpc_dentry mnt_2_dtable[] = {
+	dtable_ent(mount_null,1,void,void),		/* NULL */
+	dtable_ent(mount_mnt,1,dirpath,fhstatus),	/* MNT */
+	dtable_ent(mount_dump,1,void,mountlist),	/* DUMP */
+	dtable_ent(mount_umnt,1,dirpath,void),		/* UMNT */
+	dtable_ent(mount_umntall,1,void,void),		/* UMNTALL */
+	dtable_ent(mount_export,1,void,exports),	/* EXPORT */
+	dtable_ent(mount_exportall,1,void,exports),	/* EXPORTALL */
+	dtable_ent(mount_pathconf,2,dirpath,ppathcnf),	/* PATHCONF */
+};
+
+/*
+ * Procedures for MNTv3
+ */
+static struct rpc_dentry mnt_3_dtable[] = {
+	dtable_ent(mount_null,1,void,void),		/* NULL */
+	dtable_ent(mount_mnt,3,dirpath,mountres3),	/* MNT */
+	dtable_ent(mount_dump,1,void,mountlist),	/* DUMP */
+	dtable_ent(mount_umnt,1,dirpath,void),		/* UMNT */
+	dtable_ent(mount_umntall,1,void,void),		/* UMNTALL */
+	dtable_ent(mount_export,1,void,exports),	/* EXPORT */
+};
+
+#define number_of(x)	(sizeof(x)/sizeof(x[0]))
+
+static struct rpc_dtable	dtable[] = {
+	{ mnt_1_dtable,		number_of(mnt_1_dtable) },
+	{ mnt_2_dtable,		number_of(mnt_2_dtable) },
+	{ mnt_3_dtable,		number_of(mnt_3_dtable) },
+};
+
+/*
+ * The main dispatch routine.
+ */
+void
+mount_dispatch(struct svc_req *rqstp, SVCXPRT *transp)
+{
+	union mountd_arguments 	argument;
+	union mountd_results	result;
+
+#ifdef HAVE_TCP_WRAPPER
+	/* remote host authorization check */
+	if (!check_default("mountd", nfs_getrpccaller(transp), MOUNTPROG)) {
+		svcerr_auth (transp, AUTH_FAILED);
+		return;
+	}
+#endif
+
+	rpc_dispatch(rqstp, transp, dtable, number_of(dtable),
+			&argument, &result);
+}
diff --git a/utils/mountd/mountd.c b/utils/mountd/mountd.c
new file mode 100644
index 0000000..dbd5546
--- /dev/null
+++ b/utils/mountd/mountd.c
@@ -0,0 +1,887 @@
+/*
+ * utils/mountd/mountd.c
+ *
+ * Authenticate mount requests and retrieve file handle.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <signal.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/resource.h>
+
+#include "conffile.h"
+#include "xmalloc.h"
+#include "misc.h"
+#include "mountd.h"
+#include "rpcmisc.h"
+#include "pseudoflavors.h"
+#include "nfsd_path.h"
+#include "nfslib.h"
+#include "export.h"
+
+extern void my_svc_run(void);
+
+static void		usage(const char *, int exitcode);
+static exports		get_exportlist(void);
+static struct nfs_fh_len *get_rootfh(struct svc_req *, dirpath *, nfs_export **, mountstat3 *, int v3);
+
+int reverse_resolve = 0;
+int manage_gids;
+int use_ipaddr = -1;
+
+/* PRC: a high-availability callout program can be specified with -H
+ * When this is done, the program will receive callouts whenever clients
+ * send mount or unmount requests -- the callout is not needed for 2.6 kernel */
+char *ha_callout_prog = NULL;
+
+/* Number of mountd threads to start.   Default is 1 and
+ * that's probably enough unless you need hundreds of
+ * clients to be able to mount at once.  */
+static int num_threads = 1;
+/* Arbitrary limit on number of threads */
+#define MAX_THREADS 64
+
+static struct option longopts[] =
+{
+	{ "foreground", 0, 0, 'F' },
+	{ "descriptors", 1, 0, 'o' },
+	{ "debug", 1, 0, 'd' },
+	{ "help", 0, 0, 'h' },
+	{ "nfs-version", 1, 0, 'V' },
+	{ "no-nfs-version", 1, 0, 'N' },
+	{ "version", 0, 0, 'v' },
+	{ "port", 1, 0, 'p' },
+	{ "no-tcp", 0, 0, 'n' },
+	{ "ha-callout", 1, 0, 'H' },
+	{ "state-directory-path", 1, 0, 's' },
+	{ "num-threads", 1, 0, 't' },
+	{ "reverse-lookup", 0, 0, 'r' },
+	{ "manage-gids", 0, 0, 'g' },
+	{ "no-udp", 0, 0, 'u' },
+	{ "log-auth", 0, 0, 'l'},
+	{ "cache-use-ipaddr", 0, 0, 'i'},
+	{ "ttl", 1, 0, 'T'},
+	{ NULL, 0, 0, 0 }
+};
+static char shortopts[] = "o:nFd:p:P:hH:N:V:vurs:t:gliT:";
+
+#define NFSVERSBIT(vers)	(0x1 << (vers - 1))
+#define NFSVERSBIT_ALL		(NFSVERSBIT(2) | NFSVERSBIT(3) | NFSVERSBIT(4))
+
+static int nfs_version = NFSVERSBIT_ALL;
+
+static int version2(void)
+{
+	return nfs_version & NFSVERSBIT(2);
+}
+
+static int version3(void)
+{
+	return nfs_version & NFSVERSBIT(3);
+}
+
+static int version23(void)
+{
+	return nfs_version & (NFSVERSBIT(2) | NFSVERSBIT(3));
+}
+
+static int version_any(void)
+{
+	return nfs_version & NFSVERSBIT_ALL;
+}
+
+static void
+unregister_services (void)
+{
+	nfs_svc_unregister(MOUNTPROG, MOUNTVERS);
+	nfs_svc_unregister(MOUNTPROG, MOUNTVERS_POSIX);
+	nfs_svc_unregister(MOUNTPROG, MOUNTVERS_NFSV3);
+}
+
+static void
+cleanup_lockfiles (void)
+{
+	unlink(etab.lockfn);
+	unlink(rmtab.lockfn);
+}
+
+/*
+ * Signal handler.
+ */
+static void
+killer (int sig)
+{
+	unregister_services();
+	if (num_threads > 1) {
+		/* play Kronos and eat our children */
+		kill(0, SIGTERM);
+		cache_wait_for_workers("mountd");
+	}
+	cleanup_lockfiles();
+	free_state_path_names(&etab);
+	free_state_path_names(&rmtab);
+	xlog (L_NOTICE, "Caught signal %d, un-registering and exiting.", sig);
+	exit(0);
+}
+
+static void
+sig_hup (int UNUSED(sig))
+{
+	/* don't exit on SIGHUP */
+	xlog (L_NOTICE, "Received SIGHUP... Ignoring.\n");
+	return;
+}
+
+bool_t
+mount_null_1_svc(struct svc_req *rqstp, void *UNUSED(argp),
+	void *UNUSED(resp))
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char buf[INET6_ADDRSTRLEN];
+
+	xlog(D_CALL, "Received NULL request from %s",
+		host_ntop(sap, buf, sizeof(buf)));
+
+	return 1;
+}
+
+bool_t
+mount_mnt_1_svc(struct svc_req *rqstp, dirpath *path, fhstatus *res)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char buf[INET6_ADDRSTRLEN];
+	struct nfs_fh_len *fh;
+
+	xlog(D_CALL, "Received MNT1(%s) request from %s", *path,
+		host_ntop(sap, buf, sizeof(buf)));
+
+	fh = get_rootfh(rqstp, path, NULL, &res->fhs_status, 0);
+	if (fh)
+		memcpy(&res->fhstatus_u.fhs_fhandle, fh->fh_handle, 32);
+	return 1;
+}
+
+bool_t
+mount_dump_1_svc(struct svc_req *rqstp, void *UNUSED(argp), mountlist *res)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char buf[INET6_ADDRSTRLEN];
+
+	xlog(D_CALL, "Received DUMP request from %s",
+		host_ntop(sap, buf, sizeof(buf)));
+
+	*res = mountlist_list();
+
+	return 1;
+}
+
+bool_t
+mount_umnt_1_svc(struct svc_req *rqstp, dirpath *argp, void *UNUSED(resp))
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	nfs_export	*exp;
+	char		*p = *argp;
+	char		rpath[MAXPATHLEN+1];
+	char		buf[INET6_ADDRSTRLEN];
+
+	if (*p == '\0')
+		p = "/";
+
+	if (nfsd_realpath(p, rpath) != NULL) {
+		rpath[sizeof (rpath) - 1] = '\0';
+		p = rpath;
+	}
+
+	xlog(D_CALL, "Received UMNT(%s) request from %s", p,
+		host_ntop(sap, buf, sizeof(buf)));
+
+	exp = auth_authenticate("unmount", sap, p);
+	if (exp == NULL)
+		return 1;
+
+	mountlist_del(host_ntop(sap, buf, sizeof(buf)), p);
+	return 1;
+}
+
+bool_t
+mount_umntall_1_svc(struct svc_req *rqstp, void *UNUSED(argp), 
+	void *UNUSED(resp))
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char		buf[INET6_ADDRSTRLEN];
+
+	xlog(D_CALL, "Received UMNTALL request from %s",
+		host_ntop(sap, buf, sizeof(buf)));
+
+	/* Reload /etc/exports if necessary */
+	auth_reload();
+
+	mountlist_del_all(nfs_getrpccaller(rqstp->rq_xprt));
+	return 1;
+}
+
+bool_t
+mount_export_1_svc(struct svc_req *rqstp, void *UNUSED(argp), exports *resp)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char buf[INET6_ADDRSTRLEN];
+
+	xlog(D_CALL, "Received EXPORT request from %s.",
+		host_ntop(sap, buf, sizeof(buf)));
+
+	*resp = get_exportlist();
+		
+	return 1;
+}
+
+bool_t
+mount_exportall_1_svc(struct svc_req *rqstp, void *UNUSED(argp), exports *resp)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char buf[INET6_ADDRSTRLEN];
+
+	xlog(D_CALL, "Received EXPORTALL request from %s.",
+		host_ntop(sap, buf, sizeof(buf)));
+
+	*resp = get_exportlist();
+
+	return 1;
+}
+
+/*
+ * MNTv2 pathconf procedure
+ *
+ * The protocol doesn't include a status field, so Sun apparently considers
+ * it good practice to let anyone snoop on your system, even if it's
+ * pretty harmless data such as pathconf. We don't.
+ *
+ * Besides, many of the pathconf values don't make much sense on NFS volumes.
+ * FIFOs and tty device files represent devices on the *client*, so there's
+ * no point in getting the server's buffer sizes etc.
+ */
+bool_t
+mount_pathconf_2_svc(struct svc_req *rqstp, dirpath *path, ppathcnf *res)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	struct stat	stb;
+	nfs_export	*exp;
+	char		rpath[MAXPATHLEN+1];
+	char		*p = *path;
+	char buf[INET6_ADDRSTRLEN];
+
+	memset(res, 0, sizeof(*res));
+
+	if (*p == '\0')
+		p = "/";
+
+	/* Reload /etc/exports if necessary */
+	auth_reload();
+
+	/* Resolve symlinks */
+	if (nfsd_realpath(p, rpath) != NULL) {
+		rpath[sizeof (rpath) - 1] = '\0';
+		p = rpath;
+	}
+
+	xlog(D_CALL, "Received PATHCONF(%s) request from %s", p,
+		host_ntop(sap, buf, sizeof(buf)));
+
+	/* Now authenticate the intruder... */
+	exp = auth_authenticate("pathconf", sap, p);
+	if (exp == NULL)
+		return 1;
+	else if (nfsd_path_stat(p, &stb) < 0) {
+		xlog(L_WARNING, "can't stat exported dir %s: %s",
+				p, strerror(errno));
+		return 1;
+	}
+
+	res->pc_link_max  = pathconf(p, _PC_LINK_MAX);
+	res->pc_max_canon = pathconf(p, _PC_MAX_CANON);
+	res->pc_max_input = pathconf(p, _PC_MAX_INPUT);
+	res->pc_name_max  = pathconf(p, _PC_NAME_MAX);
+	res->pc_path_max  = pathconf(p, _PC_PATH_MAX);
+	res->pc_pipe_buf  = pathconf(p, _PC_PIPE_BUF);
+	res->pc_vdisable  = pathconf(p, _PC_VDISABLE);
+
+	/* Can't figure out what to do with pc_mask */
+	res->pc_mask[0]   = 0;
+	res->pc_mask[1]   = 0;
+
+	return 1;
+}
+
+/*
+ * We should advertise the preferred flavours first. (See RFC 2623
+ * section 2.7.)  We leave that to the administrator, by advertising
+ * flavours in the order they were listed in /etc/exports.  AUTH_NULL is
+ * dropped from the list to avoid backward compatibility issue with
+ * older Linux clients, who inspect the list in reversed order.
+ *
+ * XXX: It might be more helpful to rearrange these so that flavors
+ * giving more access (as determined from readonly and id-squashing
+ * options) come first.  (If we decide to do that we should probably do
+ * that when reading the exports rather than here.)
+ */
+static void set_authflavors(struct mountres3_ok *ok, nfs_export *exp)
+{
+	struct sec_entry *s;
+	static int flavors[SECFLAVOR_COUNT];
+	int i = 0;
+
+	for (s = exp->m_export.e_secinfo; s->flav; s++) {
+		if (s->flav->fnum == AUTH_NULL)
+			continue;
+		flavors[i] = s->flav->fnum;
+		i++;
+	}
+	if (i == 0) {
+		/* default when there is no sec= option: */
+		i = 1;
+		flavors[0] = AUTH_UNIX;
+	}
+	ok->auth_flavors.auth_flavors_val = flavors;
+	ok->auth_flavors.auth_flavors_len = i;
+}
+
+/*
+ * NFSv3 MOUNT procedure
+ */
+bool_t
+mount_mnt_3_svc(struct svc_req *rqstp, dirpath *path, mountres3 *res)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	struct mountres3_ok *ok = &res->mountres3_u.mountinfo;
+	char buf[INET6_ADDRSTRLEN];
+	nfs_export *exp;
+	struct nfs_fh_len *fh;
+
+	xlog(D_CALL, "Received MNT3(%s) request from %s", *path,
+		host_ntop(sap, buf, sizeof(buf)));
+
+	fh = get_rootfh(rqstp, path, &exp, &res->fhs_status, 1);
+	if (!fh)
+		return 1;
+
+	ok->fhandle.fhandle3_len = fh->fh_size;
+	ok->fhandle.fhandle3_val = (char *)fh->fh_handle;
+	set_authflavors(ok, exp);
+	return 1;
+}
+
+static struct nfs_fh_len *
+get_rootfh(struct svc_req *rqstp, dirpath *path, nfs_export **expret,
+		mountstat3 *error, int v3)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	struct stat	stb, estb;
+	nfs_export	*exp;
+	struct nfs_fh_len *fh;
+	char		rpath[MAXPATHLEN+1];
+	char		*p = *path;
+	char		buf[INET6_ADDRSTRLEN];
+
+	if (*p == '\0')
+		p = "/";
+
+	/* Reload /var/lib/nfs/etab if necessary */
+	auth_reload();
+
+	/* Resolve symlinks */
+	if (nfsd_realpath(p, rpath) != NULL) {
+		rpath[sizeof (rpath) - 1] = '\0';
+		p = rpath;
+	}
+
+	/* Now authenticate the intruder... */
+	exp = auth_authenticate("mount", sap, p);
+	if (exp == NULL) {
+		*error = MNT3ERR_ACCES;
+		return NULL;
+	}
+	if (nfsd_path_stat(p, &stb) < 0) {
+		xlog(L_WARNING, "can't stat exported dir %s: %s",
+				p, strerror(errno));
+		if (errno == ENOENT)
+			*error = MNT3ERR_NOENT;
+		else
+			*error = MNT3ERR_ACCES;
+		return NULL;
+	}
+	if (!S_ISDIR(stb.st_mode) && !S_ISREG(stb.st_mode)) {
+		xlog(L_WARNING, "%s is not a directory or regular file", p);
+		*error = MNT3ERR_NOTDIR;
+		return NULL;
+	}
+	if (nfsd_path_stat(exp->m_export.e_path, &estb) < 0) {
+		xlog(L_WARNING, "can't stat export point %s: %s",
+		     p, strerror(errno));
+		*error = MNT3ERR_NOENT;
+		return NULL;
+	}
+	if (estb.st_dev != stb.st_dev
+	    && !(exp->m_export.e_flags & NFSEXP_CROSSMOUNT)) {
+		xlog(L_WARNING, "request to export directory %s below nearest filesystem %s",
+		     p, exp->m_export.e_path);
+		*error = MNT3ERR_ACCES;
+		return NULL;
+	}
+	if (exp->m_export.e_mountpoint &&
+		   !check_is_mountpoint(exp->m_export.e_mountpoint[0]?
+				  exp->m_export.e_mountpoint:
+				  exp->m_export.e_path,
+				  nfsd_path_lstat)) {
+		xlog(L_WARNING, "request to export an unmounted filesystem: %s",
+		     p);
+		*error = MNT3ERR_NOENT;
+		return NULL;
+	}
+
+	/* This will be a static private nfs_export with just one
+	 * address.  We feed it to kernel then extract the filehandle,
+	 */
+
+	if (cache_export(exp, p)) {
+		*error = MNT3ERR_ACCES;
+		return NULL;
+	}
+	fh = cache_get_filehandle(exp, v3?64:32, p);
+	if (fh == NULL) {
+		*error = MNT3ERR_ACCES;
+		return NULL;
+	}
+	*error = MNT_OK;
+	mountlist_add(host_ntop(sap, buf, sizeof(buf)), p);
+	if (expret)
+		*expret = exp;
+	return fh;
+}
+
+static void remove_all_clients(exportnode *e)
+{
+	struct groupnode *g, *ng;
+
+	for (g = e->ex_groups; g; g = ng) {
+		ng = g->gr_next;
+		xfree(g->gr_name);
+		xfree(g);
+	}
+	e->ex_groups = NULL;
+}
+
+static void free_exportlist(exports *elist)
+{
+	struct exportnode *e, *ne;
+
+	for (e = *elist; e != NULL; e = ne) {
+		ne = e->ex_next;
+		remove_all_clients(e);
+		xfree(e->ex_dir);
+		xfree(e);
+	}
+	*elist = NULL;
+}
+
+static void prune_clients(nfs_export *exp, struct exportnode *e)
+{
+	struct addrinfo *ai = NULL;
+	struct groupnode *c, **cp;
+
+	cp = &e->ex_groups;
+	while ((c = *cp) != NULL) {
+		if (client_gettype(c->gr_name) == MCL_FQDN
+		    && (ai = host_addrinfo(c->gr_name))) {
+			if (client_check(exp->m_client, ai)) {
+				*cp = c->gr_next;
+				xfree(c->gr_name);
+				xfree(c);
+				nfs_freeaddrinfo(ai);
+				continue;
+			}
+			nfs_freeaddrinfo(ai);
+		}
+		cp = &(c->gr_next);
+	}
+}
+
+static exportnode *lookup_or_create_elist_entry(exports *elist, nfs_export *exp)
+{
+	exportnode *e;
+
+	for (e = *elist; e != NULL; e = e->ex_next) {
+		if (!strcmp(exp->m_export.e_path, e->ex_dir))
+			return e;
+	}
+	e = xmalloc(sizeof(*e));
+	e->ex_next = *elist;
+	e->ex_groups = NULL;
+	e->ex_dir = xstrdup(exp->m_export.e_path);
+	*elist = e;
+	return e;
+}
+
+static void insert_group(struct exportnode *e, char *newname)
+{
+	struct groupnode *g;
+
+	for (g = e->ex_groups; g; g = g->gr_next)
+		if (!strcmp(g->gr_name, newname))
+			return;
+
+	g = xmalloc(sizeof(*g));
+	g->gr_name = xstrdup(newname);
+	g->gr_next = e->ex_groups;
+	e->ex_groups = g;
+}
+
+static exports
+get_exportlist(void)
+{
+	static exports		elist = NULL;
+	struct exportnode	*e;
+	nfs_export		*exp;
+	int			i;
+	static unsigned int	ecounter;
+	unsigned int		acounter;
+
+	acounter = auth_reload();
+	if (elist && acounter == ecounter)
+		return elist;
+
+	ecounter = acounter;
+
+	free_exportlist(&elist);
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			 /* Don't show pseudo exports */
+			if (exp->m_export.e_flags & NFSEXP_V4ROOT)
+				continue;
+			e = lookup_or_create_elist_entry(&elist, exp);
+
+			/* exports to "*" absorb any others */
+			if (i == MCL_ANONYMOUS && e->ex_groups) {
+				remove_all_clients(e);
+				continue;
+			}
+			/* non-FQDN's absorb FQDN's they contain: */
+			if (i != MCL_FQDN && e->ex_groups)
+				prune_clients(exp, e);
+
+			if (exp->m_export.e_hostname[0] != '\0')
+				insert_group(e, exp->m_export.e_hostname);
+		}
+	}
+
+	return elist;
+}
+
+int	vers;
+int	port = 0;
+int	descriptors = 0;
+
+inline static void 
+read_mountd_conf(char **argv)
+{
+	char	*s;
+	int	ttl;
+
+	conf_init_file(NFS_CONFFILE);
+
+	xlog_set_debug("mountd");
+	manage_gids = conf_get_bool("mountd", "manage-gids", manage_gids);
+	descriptors = conf_get_num("mountd", "descriptors", descriptors);
+	port = conf_get_num("mountd", "port", port);
+	num_threads = conf_get_num("mountd", "threads", num_threads);
+	reverse_resolve = conf_get_bool("mountd", "reverse-lookup", reverse_resolve);
+	ha_callout_prog = conf_get_str("mountd", "ha-callout");
+	if (conf_get_bool("mountd", "cache-use-ipaddr", 0))
+		use_ipaddr = 2;
+
+	s = conf_get_str("mountd", "state-directory-path");
+	if (s && !state_setup_basedir(argv[0], s))
+		exit(1);
+
+	/* NOTE: following uses "nfsd" section of nfs.conf !!!! */
+	if (conf_get_bool("nfsd", "udp", NFSCTL_UDPISSET(_rpcprotobits)))
+		NFSCTL_UDPSET(_rpcprotobits);
+	else
+		NFSCTL_UDPUNSET(_rpcprotobits);
+	if (conf_get_bool("nfsd", "tcp", NFSCTL_TCPISSET(_rpcprotobits)))
+		NFSCTL_TCPSET(_rpcprotobits);
+	else
+		NFSCTL_TCPUNSET(_rpcprotobits);
+	for (vers = 2; vers <= 4; vers++) {
+		char tag[20];
+		sprintf(tag, "vers%d", vers);
+		if (conf_get_bool("nfsd", tag, NFSCTL_VERISSET(nfs_version, vers)))
+			NFSCTL_VERSET(nfs_version, vers);
+		else
+			NFSCTL_VERUNSET(nfs_version, vers);
+	}
+
+	ttl = conf_get_num("mountd", "ttl", default_ttl);
+	if (ttl > 0)
+		default_ttl = ttl;
+}
+
+int
+main(int argc, char **argv)
+{
+	char	*progname;
+	unsigned int listeners = 0;
+	int	foreground = 0;
+	int	c;
+	int	ttl;
+	struct sigaction sa;
+	struct rlimit rlim;
+
+	/* Set the basename */
+	if ((progname = strrchr(argv[0], '/')) != NULL)
+		progname++;
+	else
+		progname = argv[0];
+
+	/* Initialize logging. */
+	xlog_open(progname);
+
+	/* Read in config setting */
+	read_mountd_conf(argv);
+
+	/* Parse the command line options and arguments. */
+	opterr = 0;
+	while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != EOF)
+		switch (c) {
+		case 'g':
+			manage_gids = 1;
+			break;
+		case 'o':
+			descriptors = atoi(optarg);
+			if (descriptors <= 0) {
+				fprintf(stderr, "%s: bad descriptors: %s\n",
+					progname, optarg);
+				usage(progname, 1);
+			}
+			break;
+		case 'F':
+			foreground = 1;
+			break;
+		case 'd':
+			xlog_sconfig(optarg, 1);
+			break;
+		case 'H': /* PRC: specify a high-availability callout program */
+			ha_callout_prog = optarg;
+			break;
+		case 'h':
+			usage(progname, 0);
+			break;
+		case 'P':	/* XXX for nfs-server compatibility */
+		case 'p':
+			port = atoi(optarg);
+			if (port <= 0 || port > 65535) {
+				fprintf(stderr, "%s: bad port number: %s\n",
+					progname, optarg);
+				usage(progname, 1);
+			}
+			break;
+		case 'N':
+			vers = atoi(optarg);
+			if (vers < 2 || vers > 4) {
+				fprintf(stderr, "%s: bad version number: %s\n",
+					argv[0], optarg);
+				usage(argv[0], 1);
+			}
+			nfs_version &= ~NFSVERSBIT(vers);
+			break;
+		case 'n':
+			NFSCTL_TCPUNSET(_rpcprotobits);
+			break;
+		case 'r':
+			reverse_resolve = 1;
+			break;
+		case 's':
+			if (!state_setup_basedir(argv[0], optarg))
+				exit(1);
+			break;
+		case 't':
+			num_threads = atoi (optarg);
+			break;
+		case 'V':
+			vers = atoi(optarg);
+			if (vers < 2 || vers > 4) {
+				fprintf(stderr, "%s: bad version number: %s\n",
+					argv[0], optarg);
+				usage(argv[0], 1);
+			}
+			nfs_version |= NFSVERSBIT(vers);
+			break;
+		case 'v':
+			printf("%s version " VERSION "\n", progname);
+			exit(0);
+		case 'u':
+			NFSCTL_UDPUNSET(_rpcprotobits);
+			break;
+		case 'l':
+			xlog_sconfig("auth", 1);
+			break;
+		case 'i':
+			use_ipaddr = 2;
+			break;
+		case 'T':
+			ttl = atoi(optarg);
+			if (ttl <= 0) {
+				fprintf(stderr, "%s: bad ttl number of seconds: %s\n",
+					argv[0], optarg);
+				usage(argv[0], 1);
+			}
+			default_ttl = ttl;
+			break;
+		case 0:
+			break;
+		case '?':
+		default:
+			usage(progname, 1);
+		}
+
+	/* No more arguments allowed. */
+	if (optind != argc || !version_any()) {
+		fprintf(stderr, "%s: No protocol versions specified!\n", progname); 
+		usage(progname, 1);
+	}
+	if (!setup_state_path_names(progname, ETAB, ETABTMP, ETABLCK, &etab))
+		return 1;
+	if (!setup_state_path_names(progname, RMTAB, RMTABTMP, RMTABLCK, &rmtab))
+		return 1;
+
+	if (getrlimit (RLIMIT_NOFILE, &rlim) != 0)
+		fprintf(stderr, "%s: getrlimit (RLIMIT_NOFILE) failed: %s\n",
+				progname, strerror(errno));
+	else {
+		/* glibc sunrpc code dies if getdtablesize > FD_SETSIZE */
+		if ((descriptors == 0 && rlim.rlim_cur > FD_SETSIZE) ||
+		    descriptors > FD_SETSIZE)
+			descriptors = FD_SETSIZE;
+		if (descriptors) {
+			rlim.rlim_cur = descriptors;
+			if (setrlimit (RLIMIT_NOFILE, &rlim) != 0) {
+				fprintf(stderr, "%s: setrlimit (RLIMIT_NOFILE) failed: %s\n",
+					progname, strerror(errno));
+				exit(1);
+			}
+		}
+	}
+	if (!foreground) xlog_stderr(0);
+
+	sa.sa_handler = SIG_IGN;
+	sa.sa_flags = 0;
+	sigemptyset(&sa.sa_mask);
+	sigaction(SIGHUP, &sa, NULL);
+	sigaction(SIGINT, &sa, NULL);
+	sigaction(SIGTERM, &sa, NULL);
+	sigaction(SIGPIPE, &sa, NULL);
+	/* WARNING: the following works on Linux and SysV, but not BSD! */
+	sigaction(SIGCHLD, &sa, NULL);
+
+	unregister_services();
+	if (version2()) {
+		listeners += nfs_svc_create("mountd", MOUNTPROG,
+					MOUNTVERS, mount_dispatch, port);
+		listeners += nfs_svc_create("mountd", MOUNTPROG,
+					MOUNTVERS_POSIX, mount_dispatch, port);
+	}
+	if (version3())
+		listeners += nfs_svc_create("mountd", MOUNTPROG,
+					MOUNTVERS_NFSV3, mount_dispatch, port);
+	if (version23() && listeners == 0)
+		xlog(L_WARNING, "mountd: No V2 or V3 listeners created!");
+
+	sa.sa_handler = killer;
+	sigaction(SIGINT, &sa, NULL);
+	sigaction(SIGTERM, &sa, NULL);
+	sa.sa_handler = sig_hup;
+	sigaction(SIGHUP, &sa, NULL);
+
+	if (!foreground) {
+		/* We first fork off a child. */
+		if ((c = fork()) > 0)
+			exit(0);
+		if (c < 0) {
+			xlog(L_FATAL, "mountd: cannot fork: %s\n",
+						strerror(errno));
+		}
+		/* Now we remove ourselves from the foreground.
+		   Redirect stdin/stdout/stderr first. */
+		{
+			int fd = open("/dev/null", O_RDWR);
+			(void) dup2(fd, 0);
+			(void) dup2(fd, 1);
+			(void) dup2(fd, 2);
+			if (fd > 2) (void) close(fd);
+		}
+		setsid();
+	}
+
+	/* silently bounds check num_threads */
+	if (foreground)
+		num_threads = 1;
+	else if (num_threads < 1)
+		num_threads = 1;
+	else if (num_threads > MAX_THREADS)
+		num_threads = MAX_THREADS;
+
+	/* Open cache channel files BEFORE forking so each upcall is
+	 * only handled by one thread.  Kernel provides locking for both
+	 * read and write.
+	 */
+	cache_open();
+
+	if (cache_fork_workers("mountd", num_threads) == 0) {
+		/* We forked, waited, and now need to clean up */
+		unregister_services();
+		cleanup_lockfiles();
+		free_state_path_names(&etab);
+		free_state_path_names(&rmtab);
+		xlog(L_NOTICE, "mountd: no more workers, exiting\n");
+		exit(0);
+	}
+
+	nfsd_path_init();
+	v4clients_init();
+
+	xlog(L_NOTICE, "Version " VERSION " starting");
+	my_svc_run();
+
+	xlog(L_ERROR, "RPC service loop terminated unexpectedly. Exiting...\n");
+	unregister_services();
+	free_state_path_names(&etab);
+	free_state_path_names(&rmtab);
+	exit(1);
+}
+
+static void
+usage(const char *prog, int n)
+{
+	fprintf(stderr,
+"Usage: %s [-F|--foreground] [-h|--help] [-v|--version] [-d kind|--debug kind]\n"
+"	[-l|--log-auth] [-i|--cache-use-ipaddr] [-T|--ttl ttl]\n"
+"	[-o num|--descriptors num]\n"
+"	[-p|--port port] [-V version|--nfs-version version]\n"
+"	[-N version|--no-nfs-version version] [-n|--no-tcp]\n"
+"	[-H prog |--ha-callout prog] [-r |--reverse-lookup]\n"
+"	[-s|--state-directory-path path] [-g|--manage-gids]\n"
+"	[-t num|--num-threads=num] [-u|--no-udp]\n", prog);
+	exit(n);
+}
diff --git a/utils/mountd/mountd.h b/utils/mountd/mountd.h
new file mode 100644
index 0000000..bd5c957
--- /dev/null
+++ b/utils/mountd/mountd.h
@@ -0,0 +1,54 @@
+/*
+ * utils/mountd/mountd.h
+ *
+ * Declarations for mountd.
+ *
+ * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef MOUNTD_H
+#define MOUNTD_H
+
+#include <rpc/rpc.h>
+#include <rpc/svc.h>
+#include "nfslib.h"
+#include "exportfs.h"
+#include "mount.h"
+
+union mountd_arguments {
+	dirpath			dirpath;
+};
+
+union mountd_results {
+	fhstatus		fstatus;
+	mountlist		mountlist;
+	exports			exports;
+};
+
+/*
+ * Global Function prototypes.
+ */
+bool_t		mount_null_1_svc(struct svc_req *, void *, void *);
+bool_t		mount_mnt_1_svc(struct svc_req *, dirpath *, fhstatus *);
+bool_t		mount_dump_1_svc(struct svc_req *, void *, mountlist *);
+bool_t		mount_umnt_1_svc(struct svc_req *, dirpath *, void *);
+bool_t		mount_umntall_1_svc(struct svc_req *, void *, void *);
+bool_t		mount_export_1_svc(struct svc_req *, void *, exports *);
+bool_t		mount_exportall_1_svc(struct svc_req *, void *, exports *);
+bool_t		mount_pathconf_2_svc(struct svc_req *, dirpath *, ppathcnf *);
+bool_t		mount_mnt_3_svc(struct svc_req *, dirpath *, mountres3 *);
+
+void		mount_dispatch(struct svc_req *, SVCXPRT *);
+void		auth_init(void);
+unsigned int	auth_reload(void);
+nfs_export *	auth_authenticate(const char *what,
+					const struct sockaddr *caller,
+					const char *path);
+void		auth_export(nfs_export *exp);
+
+void		mountlist_add(char *host, const char *path);
+void		mountlist_del(char *host, const char *path);
+void		mountlist_del_all(const struct sockaddr *sap);
+mountlist	mountlist_list(void);
+
+#endif /* MOUNTD_H */
diff --git a/utils/mountd/mountd.man b/utils/mountd/mountd.man
new file mode 100644
index 0000000..a206a3e
--- /dev/null
+++ b/utils/mountd/mountd.man
@@ -0,0 +1,362 @@
+.\"@(#)rpc.mountd.8"
+.\"
+.\" Copyright (C) 1999 Olaf Kirch <okir@monad.swb.de>
+.\" Modified by Paul Clements, 2004.
+.\"
+.TH rpc.mountd 8 "31 Dec 2009"
+.SH NAME
+rpc.mountd \- NFS mount daemon
+.SH SYNOPSIS
+.BI "/usr/sbin/rpc.mountd [" options "]"
+.SH DESCRIPTION
+The
+.B rpc.mountd
+daemon implements the server side of the NFS MOUNT protocol,
+an NFS side protocol used by NFS version 2 [RFC1094] and NFS version 3 [RFC1813].
+It also responds to requests from the Linux kernel to authenticate
+clients and provides details of access permissions.
+.PP
+The NFS server
+.RI ( nfsd )
+maintains a cache of authentication and authorization information which
+is used to identify the source of each request, and then what access
+permissions that source has to any local filesystem.  When required
+information is not found in the cache, the server sends a request to
+.B mountd
+to fill in the missing information.  Mountd uses a table of information
+stored in
+.B /var/lib/nfs/etab
+and maintained by
+.BR exportfs (8),
+possibly based on the contents of 
+.BR exports (5),
+to respond to each request.
+.SS Mounting exported NFS File Systems
+The NFS MOUNT protocol has several procedures.
+The most important of these are
+MNT (mount an export) and
+UMNT (unmount an export).
+.PP
+A MNT request has two arguments: an explicit argument that
+contains the pathname of the root directory of the export to be mounted,
+and an implicit argument that is the sender's IP address.
+.PP
+When receiving a MNT request from an NFS client,
+.B rpc.mountd
+checks both the pathname and the sender's IP address against its export table.
+If the sender is permitted to access the requested export,
+.B rpc.mountd
+returns an NFS file handle for the export's root directory to the client.
+The client can then use the root file handle and NFS LOOKUP requests
+to navigate the directory structure of the export.
+.SS The rmtab File
+The
+.B rpc.mountd
+daemon registers every successful MNT request by adding an entry to the
+.I /var/lib/nfs/rmtab
+file.
+When receivng a UMNT request from an NFS client,
+.B rpc.mountd
+simply removes the matching entry from
+.IR /var/lib/nfs/rmtab ,
+as long as the access control list for that export allows that sender
+to access the export.
+.PP
+Clients can discover the list of file systems an NFS server is
+currently exporting, or the list of other clients that have mounted
+its exports, by using the
+.BR showmount (8)
+command.
+.BR showmount (8)
+uses other procedures in the NFS MOUNT protocol to report information
+about the server's exported file systems.
+.PP
+Note, however, that there is little to guarantee that the contents of
+.I /var/lib/nfs/rmtab
+are accurate.
+A client may continue accessing an export even after invoking UMNT.
+If the client reboots without sending a UMNT request, stale entries
+remain for that client in
+.IR /var/lib/nfs/rmtab .
+.SS Mounting File Systems with NFSv4
+Version 4 (and later) of NFS does not use a separate NFS MOUNT
+protocol.  Instead mounting is performed using regular NFS requests
+handled by the NFS server in the Linux kernel
+.RI ( nfsd ).
+Consequently
+.I /var/lib/nfs/rmtab
+is not updated to reflect any NFSv4 activity.
+.SH OPTIONS
+.TP
+.B \-d kind " or " \-\-debug kind
+Turn on debugging. Valid kinds are: all, auth, call, general and parse.
+.TP
+.BR \-l " or " \-\-log\-auth
+Enable logging of responses to authentication and access requests from
+nfsd.  Each response is then cached by the kernel for 30 minutes (or as set by
+.B \-\-ttl
+below), and will be refreshed after 15 minutes (half the ttl time) if
+the relevant client remains active.
+Note that
+.B -l
+is equivalent to
+.B "-d auth"
+and so can be enabled in
+.B /etc/nfs.conf
+with
+.B "\[dq]debug = auth\[dq]"
+in the
+.B "[mountd]"
+section.
+.IP
+.B rpc.mountd
+will always log authentication responses to MOUNT requests when NFSv3 is
+used, but to get similar logs for NFSv4, this option is required.
+.TP
+.BR \-i " or " \-\-cache\-use\-ipaddr
+Normally each client IP address is matched against each host identifier
+(name, wildcard, netgroup etc) found in
+.B /etc/exports
+and a combined identity is formed from all matching identifiers.
+Often many clients will map to the same combined identity so performing
+this mapping reduces the number of distinct access details that the
+kernel needs to store.
+Specifying the
+.B \-i
+option suppresses this mapping so that access to each filesystem is
+requested and cached separately for each client IP address.  Doing this
+can increase the burden of updating the cache slightly, but can make the
+log messages produced by the
+.B -l
+option easier to read.
+.TP
+.B \-T " or " \-\-ttl
+Provide a time-to-live (TTL) for cached information given to the kernel.
+The kernel will normally request an update if the information is needed
+after half of this time has expired.  Increasing the provided number,
+which is in seconds, reduces the rate of cache update requests, and this
+is particularly noticeable when these requests are logged with
+.BR \-l .
+However increasing also means that changes to hostname to address
+mappings can take longer to be noticed.
+The default TTL is 1800 (30 minutes).
+.TP
+.B \-F " or " \-\-foreground
+Run in foreground (do not daemonize)
+.TP
+.B \-h " or " \-\-help
+Display usage message.
+.TP
+.B \-o num " or " \-\-descriptors num
+Set the limit of the number of open file descriptors to num. The
+default is to leave the limit unchanged.
+.TP
+.B \-N mountd-version " or " \-\-no-nfs-version mountd-version
+This option can be used to request that
+.B rpc.mountd
+do not offer certain versions of NFS. The current version of
+.B rpc.mountd
+can support both NFS version 2, 3 and 4. If the
+either one of these version should not be offered,
+.B rpc.mountd
+must be invoked with the option
+.B "\-\-no-nfs-version <vers>" .
+.TP
+.B \-n " or " \-\-no-tcp
+Don't advertise TCP for mount.
+.TP
+.B \-p num " or " \-P num " or " \-\-port num
+Specifies the port number used for RPC listener sockets.
+If this option is not specified,
+.B rpc.mountd
+will try to consult
+.IR /etc/services ,
+if gets port succeed, set the same port for all listener socket,
+otherwise chooses a random ephemeral port for each listener socket.
+.IP
+This option can be used to fix the port value of
+.BR rpc.mountd 's
+listeners when NFS MOUNT requests must traverse a firewall
+between clients and servers.
+.TP
+.B \-H " prog or " \-\-ha-callout prog
+Specify a high availability callout program.
+This program receives callouts for all MOUNT and UNMOUNT requests.
+This allows
+.B rpc.mountd
+to be used in a High Availability NFS (HA-NFS) environment.
+.IP
+The callout program is run with 4 arguments.
+The first is
+.B mount
+or
+.B unmount
+depending on the reason for the callout.
+The second will be the name of the client performing the mount.
+The third will be the path that the client is mounting.
+The last is the number of concurrent mounts that we believe the client
+has of that path.
+.IP
+This callout is not needed with 2.6 and later kernels.
+Instead, mount the nfsd filesystem on
+.IR /proc/fs/nfsd .
+.TP
+.BI "\-s," "" " \-\-state\-directory\-path "  directory
+Specify a directory in which to place state information (etab and rmtab).
+If this option is not specified the default of
+.I /var/lib/nfs
+is used.
+.TP
+.BI "\-r," "" " \-\-reverse\-lookup"
+.B rpc.mountd
+tracks IP addresses in the
+.I rmtab
+file.  When a DUMP request is made (by
+someone running
+.BR "showmount -a" ,
+for instance), it returns IP addresses instead
+of hostnames by default. This option causes
+.B rpc.mountd
+to perform a reverse lookup on each IP address and return that hostname instead.
+Enabling this can have a substantial negative effect on performance
+in some situations.
+.TP
+.BR "\-t N" " or " "\-\-num\-threads=N " or  " \-\-num\-threads N "
+This option specifies the number of worker threads that rpc.mountd
+spawns.  The default is 1 thread, which is probably enough.  More
+threads are usually only needed for NFS servers which need to handle
+mount storms of hundreds of NFS mounts in a few seconds, or when
+your DNS server is slow or unreliable.
+.TP
+.B  \-u " or " \-\-no-udp
+Don't advertise UDP for mounting
+.TP
+.B \-V version " or " \-\-nfs-version version
+This option can be used to request that
+.B rpc.mountd
+offer certain versions of NFS. The current version of
+.B rpc.mountd
+can support both NFS version 2 and the newer version 3.
+.TP
+.B \-v " or " \-\-version
+Print the version of
+.B rpc.mountd
+and exit.
+.TP
+.B \-g " or " \-\-manage-gids
+Accept requests from the kernel to map user id numbers into  lists of
+group id numbers for use in access control.  An NFS request will
+normally (except when using Kerberos or other cryptographic
+authentication) contains a user-id and a list of group-ids.  Due to a
+limitation in the NFS protocol, at most 16 groups ids can be listed.
+If you use the
+.B \-g
+flag, then the list of group ids received from the client will be
+replaced by a list of group ids determined by an appropriate lookup on
+the server. Note that the 'primary' group id is not affected so a
+.B newgroup
+command on the client will still be effective.  This function requires
+a Linux Kernel with version at least 2.6.21.
+
+.SH CONFIGURATION FILE
+Many of the options that can be set on the command line can also be
+controlled through values set in the
+.B [mountd]
+or, in some cases, the
+.B [nfsd]
+sections of the
+.I /etc/nfs.conf
+configuration file.
+Values recognized in the
+.B [mountd]
+section include
+.BR manage-gids ,
+.BR cache\-use\-ipaddr ,
+.BR descriptors ,
+.BR port ,
+.BR threads ,
+.BR ttl ,
+.BR reverse-lookup ", and"
+.BR state-directory-path ,
+.B ha-callout
+which each have the same effect as the option with the same name.
+
+The values recognized in the
+.B [nfsd]
+section include
+.BR TCP ,
+.BR UDP ,
+.BR vers3 ", and"
+.B vers4
+which each have the same meaning as given by
+.BR rpc.nfsd (8).
+
+.SH TCP_WRAPPERS SUPPORT
+You can protect your
+.B rpc.mountd
+listeners using the
+.B tcp_wrapper
+library or
+.BR iptables (8).
+.PP
+Note that the
+.B tcp_wrapper
+library supports only IPv4 networking.
+.PP
+Add the hostnames of NFS peers that are allowed to access
+.B rpc.mountd
+to
+.IR /etc/hosts.allow .
+Use the daemon name
+.B mountd
+even if the
+.B rpc.mountd
+binary has a different name.
+.PP
+Hostnames used in either access file will be ignored when
+they can not be resolved into IP addresses.
+For further information see the
+.BR tcpd (8)
+and
+.BR hosts_access (5)
+man pages.
+.SS IPv6 and TI-RPC support
+TI-RPC is a pre-requisite for supporting NFS on IPv6.
+If TI-RPC support is built into
+.BR rpc.mountd ,
+it attempts to start listeners on network transports marked 'visible' in
+.IR /etc/netconfig .
+As long as at least one network transport listener starts successfully,
+.B rpc.mountd
+will operate.
+.SH FILES
+.TP 2.5i
+.I /etc/exports
+input file for
+.BR exportfs ,
+listing exports, export options, and access control lists
+.TP 2.5i
+.I /var/lib/nfs/rmtab
+table of clients accessing server's exports
+.SH SEE ALSO
+.BR exportfs (8),
+.BR exports (5),
+.BR showmount (8),
+.BR rpc.nfsd (8),
+.BR rpc.rquotad (8),
+.BR nfs (5),
+.BR nfs.conf (5),
+.BR tcpd (8),
+.BR hosts_access (5),
+.BR iptables (8),
+.BR netconfig (5)
+.sp
+RFC 1094 - "NFS: Network File System Protocol Specification"
+.br
+RFC 1813 - "NFS Version 3 Protocol Specification"
+.br
+RFC 7530 - "Network File System (NFS) Version 4 Protocol"
+.br
+RFC 8881 - "Network File System (NFS) Version 4 Minor Version 1 Protocol"
+.SH AUTHOR
+Olaf Kirch, H. J. Lu, G. Allan Morris III, and a host of others.
diff --git a/utils/mountd/rmtab.c b/utils/mountd/rmtab.c
new file mode 100644
index 0000000..752fdb6
--- /dev/null
+++ b/utils/mountd/rmtab.c
@@ -0,0 +1,254 @@
+/*
+ * utils/mountd/rmtab.c
+ *
+ * Manage the rmtab file for mountd.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#include "misc.h"
+#include "exportfs.h"
+#include "xio.h"
+#include "mountd.h"
+#include "ha-callout.h"
+
+#include <limits.h> /* PATH_MAX */
+#include <errno.h>
+
+extern int reverse_resolve;
+
+/* If new path is a link do not destroy it but place the
+ * file where the link points.
+ */
+
+static int 
+slink_safe_rename(const char * oldpath, const char * newpath)
+{
+	int r;
+	struct stat s;
+	char slink_path[PATH_MAX];
+	const char *real_newpath = newpath;
+
+	if ((lstat(newpath, &s) == 0) && S_ISLNK(s.st_mode)) {
+		/* New path is a symbolic link, do not destroy but follow */
+		if ((r = readlink(newpath, slink_path, PATH_MAX - 1)) == -1)
+			return -1;
+		slink_path[r] = '\0';
+		real_newpath = slink_path;
+	}
+
+	return rename(oldpath, real_newpath);
+}
+
+void
+mountlist_add(char *host, const char *path)
+{
+	struct rmtabent	xe;
+	struct rmtabent	*rep;
+	int		lockid;
+	long		pos;
+
+	if ((lockid = xflock(rmtab.lockfn, "a")) < 0)
+		return;
+	setrmtabent("r+");
+	while ((rep = getrmtabent(1, &pos)) != NULL) {
+		if (strcmp (rep->r_client,
+			    host) == 0
+		    && strcmp(rep->r_path, path) == 0) {
+			rep->r_count++;
+			/* PRC: do the HA callout: */
+			ha_callout("mount", rep->r_client, rep->r_path, rep->r_count);
+			putrmtabent(rep, &pos);
+			endrmtabent();
+			xfunlock(lockid);
+			return;
+		}
+	}
+	endrmtabent();
+	strncpy(xe.r_client, host,
+		sizeof (xe.r_client) - 1);
+	xe.r_client [sizeof (xe.r_client) - 1] = '\0';
+	strncpy(xe.r_path, path, sizeof (xe.r_path) - 1);
+	xe.r_path [sizeof (xe.r_path) - 1] = '\0';
+	xe.r_count = 1;
+	if (setrmtabent("a")) {
+		/* PRC: do the HA callout: */
+		ha_callout("mount", xe.r_client, xe.r_path, xe.r_count);
+		putrmtabent(&xe, NULL);
+		endrmtabent();
+	}
+	xfunlock(lockid);
+}
+
+void
+mountlist_del(char *hname, const char *path)
+{
+	struct rmtabent	*rep;
+	FILE		*fp;
+	int		lockid;
+	int		match;
+
+	if ((lockid = xflock(rmtab.lockfn, "w")) < 0)
+		return;
+	if (!setrmtabent("r")) {
+		xfunlock(lockid);
+		return;
+	}
+	if (!(fp = fsetrmtabent(rmtab.tmpfn, "w"))) {
+		endrmtabent();
+		xfunlock(lockid);
+		return;
+	}
+	while ((rep = getrmtabent(1, NULL)) != NULL) {
+		match = !strcmp (rep->r_client, hname)
+			&& !strcmp(rep->r_path, path);
+		if (match) {
+			rep->r_count--;
+			/* PRC: do the HA callout: */
+			ha_callout("unmount", rep->r_client, rep->r_path, rep->r_count);
+		}
+		if (!match || rep->r_count)
+			fputrmtabent(fp, rep, NULL);
+	}
+	if (slink_safe_rename(rmtab.tmpfn, rmtab.statefn) < 0) {
+		xlog(L_ERROR, "couldn't rename %s to %s",
+				rmtab.tmpfn, rmtab.statefn);
+	}
+	endrmtabent();	/* close & unlink */
+	fendrmtabent(fp);
+	xfunlock(lockid);
+}
+
+void
+mountlist_del_all(const struct sockaddr *sap)
+{
+	char		*hostname;
+	struct rmtabent	*rep;
+	FILE		*fp;
+	int		lockid;
+
+	if ((lockid = xflock(rmtab.lockfn, "w")) < 0)
+		return;
+	hostname = host_canonname(sap);
+	if (hostname == NULL) {
+		char buf[INET6_ADDRSTRLEN];
+		xlog(L_ERROR, "can't get hostname of %s",
+			host_ntop(sap, buf, sizeof(buf)));
+		goto out_unlock;
+	}
+
+	if (!setrmtabent("r"))
+		goto out_free;
+
+	if (!(fp = fsetrmtabent(rmtab.tmpfn, "w")))
+		goto out_close;
+
+	while ((rep = getrmtabent(1, NULL)) != NULL) {
+		if (strcmp(rep->r_client, hostname) == 0 &&
+		    auth_authenticate("umountall", sap, rep->r_path) != NULL)
+			continue;
+		fputrmtabent(fp, rep, NULL);
+	}
+	if (slink_safe_rename(rmtab.tmpfn, rmtab.statefn) < 0) {
+		xlog(L_ERROR, "couldn't rename %s to %s",
+				rmtab.tmpfn, rmtab.statefn);
+	}
+	fendrmtabent(fp);
+out_close:
+	endrmtabent();	/* close & unlink */
+out_free:
+	free(hostname);
+out_unlock:
+	xfunlock(lockid);
+}
+
+static void
+mountlist_freeall(mountlist list)
+{
+	while (list != NULL) {
+		mountlist m = list;
+		list = m->ml_next;
+		free(m->ml_hostname);
+		free(m->ml_directory);
+		free(m);
+	}
+}
+
+mountlist
+mountlist_list(void)
+{
+	static mountlist	mlist = NULL;
+	static time_t		last_mtime = 0;
+	mountlist		m;
+	struct rmtabent		*rep;
+	struct stat		stb;
+	int			lockid;
+
+	if ((lockid = xflock(rmtab.lockfn, "r")) < 0)
+		return NULL;
+	if (stat(rmtab.statefn, &stb) < 0) {
+		xlog(L_ERROR, "can't stat %s: %s",
+				rmtab.statefn, strerror(errno));
+		xfunlock(lockid);
+		return NULL;
+	}
+	if (stb.st_mtime != last_mtime) {
+		mountlist_freeall(mlist);
+		mlist = NULL;
+		last_mtime = stb.st_mtime;
+
+		setrmtabent("r");
+		while ((rep = getrmtabent(1, NULL)) != NULL) {
+			m = calloc(1, sizeof(*m));
+			if (m == NULL) {
+				mountlist_freeall(mlist);
+				mlist = NULL;
+				xlog(L_ERROR, "%s: memory allocation failed",
+						__func__);
+				break;
+			}
+
+			if (reverse_resolve) {
+				struct addrinfo *ai;
+				ai = host_pton(rep->r_client);
+				if (ai != NULL) {
+					m->ml_hostname = host_canonname(ai->ai_addr);
+					nfs_freeaddrinfo(ai);
+				}
+			}
+			if (m->ml_hostname == NULL)
+				m->ml_hostname = strdup(rep->r_client);
+
+			m->ml_directory = strdup(rep->r_path);
+
+			if (m->ml_hostname == NULL || m->ml_directory == NULL) {
+				free(m->ml_hostname);
+				free(m->ml_directory);
+				free(m);
+				mountlist_freeall(mlist);
+				mlist = NULL;
+				xlog(L_ERROR, "%s: memory allocation failed",
+						__func__);
+				break;
+			}
+
+			m->ml_next = mlist;
+			mlist = m;
+		}
+		endrmtabent();
+	}
+	xfunlock(lockid);
+
+	return mlist;
+}
diff --git a/utils/mountd/svc_run.c b/utils/mountd/svc_run.c
new file mode 100644
index 0000000..2aaf375
--- /dev/null
+++ b/utils/mountd/svc_run.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 1984 Sun Microsystems, Inc.
+ * Based on svc_run.c from statd which claimed:
+ * Modified by Jeffrey A. Uphoff, 1995, 1997-1999.
+ * Modified by Olaf Kirch, 1996.
+ *
+ */
+
+/* 
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of Sun Microsystems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* 
+ * Allow svc_run to listen to other file descriptors as well
+ */
+
+/* 
+ * This is the RPC server side idle loop.
+ * Wait for input, call server program.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <rpc/rpc.h>
+#include "xlog.h"
+#include <errno.h>
+#include <time.h>
+
+#ifdef HAVE_LIBTIRPC
+#include <rpc/rpc_com.h>
+#endif
+#include "export.h"
+
+void my_svc_run(void);
+
+#if defined(__GLIBC__) && LONG_MAX != INT_MAX
+/* bug in glibc 2.3.6 and earlier, we need
+ * our own svc_getreqset
+ */
+static void
+my_svc_getreqset (fd_set *readfds)
+{
+	fd_mask mask;
+	fd_mask *maskp;
+	int setsize;
+	int sock;
+	int bit;
+
+	setsize = _rpc_dtablesize ();
+	if (setsize > FD_SETSIZE)
+		setsize = FD_SETSIZE;
+	maskp = readfds->fds_bits;
+	for (sock = 0; sock < setsize; sock += NFDBITS)
+		for (mask = *maskp++;
+		     (bit = ffsl (mask));
+		     mask ^= (1L << (bit - 1)))
+			svc_getreq_common (sock + bit - 1);
+}
+#define svc_getreqset my_svc_getreqset
+
+#endif
+
+/*
+ * The heart of the server.  A crib from libc for the most part...
+ */
+void
+my_svc_run(void)
+{
+	fd_set	readfds;
+	int	selret;
+
+	for (;;) {
+		readfds = svc_fdset;
+		selret = cache_process(&readfds);
+		if (selret < 0) {
+			xlog(L_ERROR, "my_svc_run() - select: %m");
+			return;
+		}
+		if (selret)
+			svc_getreqset(&readfds);
+	}
+}
diff --git a/utils/nfsd/Makefile.am b/utils/nfsd/Makefile.am
new file mode 100644
index 0000000..8acc9a0
--- /dev/null
+++ b/utils/nfsd/Makefile.am
@@ -0,0 +1,55 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= nfsd.man
+EXTRA_DIST	= $(man8_MANS)
+
+RPCPREFIX	= rpc.
+KPREFIX		= @kprefix@
+sbin_PROGRAMS	= nfsd
+
+noinst_HEADERS = nfssvc.h
+nfsd_SOURCES = nfsd.c nfssvc.c
+nfsd_LDADD = ../../support/nfs/libnfs.la $(LIBTIRPC)
+
+MAINTAINERCLEANFILES = Makefile.in
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
diff --git a/utils/nfsd/Makefile.in b/utils/nfsd/Makefile.in
new file mode 100644
index 0000000..853bf55
--- /dev/null
+++ b/utils/nfsd/Makefile.in
@@ -0,0 +1,855 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
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+	      exit 1;; \
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+	done; \
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+	$(am__cd) $(top_srcdir) && \
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+	  *config.status*) \
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+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
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+	@$(NORMAL_UNINSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
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+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(sbindir)" && rm -f $$files
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+clean-sbinPROGRAMS:
+	@list='$(sbin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
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+	-rm -rf .libs _libs
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+	@$(NORMAL_INSTALL)
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+	list2=''; \
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+	  for i in $$list2; do echo "$$i"; done \
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+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
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+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man8dir)/$$inst" || exit $$?; \
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+	done; }
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+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
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+	$(am__define_uniq_tagged_files); \
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+	      "$$@" $$unique; \
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+	      $$unique; \
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+	     $$unique
+
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
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+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
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+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
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+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
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+
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+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
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+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
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+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
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+	-rm -f ./$(DEPDIR)/nfssvc.Po
+	-rm -f Makefile
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+	distclean-tags
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+dvi-am:
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+install-info: install-info-am
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+		-rm -f ./$(DEPDIR)/nfsd.Po
+	-rm -f ./$(DEPDIR)/nfssvc.Po
+	-rm -f Makefile
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
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+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-exec-hook install-html install-html-am \
+	install-info install-info-am install-man install-man8 \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sbinPROGRAMS install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
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+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/nfsd/nfsd.c b/utils/nfsd/nfsd.c
new file mode 100644
index 0000000..249df00
--- /dev/null
+++ b/utils/nfsd/nfsd.c
@@ -0,0 +1,441 @@
+/*
+ * nfsd
+ *
+ * This is the user level part of nfsd. This is very primitive, because
+ * all the work is now done in the kernel module.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <netdb.h>
+#include <libgen.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sched.h>
+
+#include "conffile.h"
+#include "nfslib.h"
+#include "nfssvc.h"
+#include "xlog.h"
+#include "xcommon.h"
+
+#ifndef NFSD_NPROC
+#define NFSD_NPROC 8
+#endif
+
+static void	usage(const char *);
+
+static struct option longopts[] =
+{
+	{ "host", 1, 0, 'H' },
+	{ "scope", 1, 0, 'S'},
+	{ "help", 0, 0, 'h' },
+	{ "no-nfs-version", 1, 0, 'N' },
+	{ "nfs-version", 1, 0, 'V' },
+	{ "tcp", 0, 0, 't' },
+	{ "no-tcp", 0, 0, 'T' },
+	{ "udp", 0, 0, 'u' },
+	{ "no-udp", 0, 0, 'U' },
+	{ "port", 1, 0, 'P' },
+	{ "port", 1, 0, 'p' },
+	{ "debug", 0, 0, 'd' },
+	{ "syslog", 0, 0, 's' },
+	{ "rdma", 2, 0, 'R' },
+	{ "grace-time", 1, 0, 'G'},
+	{ "lease-time", 1, 0, 'L'},
+	{ NULL, 0, 0, 0 }
+};
+
+inline static void 
+read_nfsd_conf(void)
+{
+	conf_init_file(NFS_CONFFILE); 
+	xlog_set_debug("nfsd");
+}
+
+int
+main(int argc, char **argv)
+{
+	int	count = NFSD_NPROC, c, i, error = 0, portnum, fd, found_one;
+	char *p, *progname, *port, *rdma_port = NULL;
+	char **haddr = NULL;
+	char *scope = NULL;
+	int hcounter = 0;
+	struct conf_list *hosts;
+	int	socket_up = 0;
+	unsigned int minorvers = NFSCTL_MINDEFAULT;
+	unsigned int minorversset = NFSCTL_MINDEFAULT;
+	unsigned int minormask = 0;
+	unsigned int versbits = NFSCTL_VERDEFAULT;
+	unsigned int protobits = NFSCTL_PROTODEFAULT;
+	int grace = -1;
+	int lease = -1;
+	int force4dot0 = 0;
+
+	progname = basename(argv[0]);
+	haddr = xmalloc(sizeof(char *));
+	haddr[0] = NULL;
+
+	xlog_syslog(0);
+	xlog_stderr(1);
+
+	/* Read in config setting */
+	read_nfsd_conf();
+
+	nfssvc_get_minormask(&minormask);
+
+	count = conf_get_num("nfsd", "threads", count);
+	grace = conf_get_num("nfsd", "grace-time", grace);
+	lease = conf_get_num("nfsd", "lease-time", lease);
+	port = conf_get_str("nfsd", "port");
+	if (!port)
+		port = "nfs";
+	if (conf_get_bool("nfsd", "rdma", false)) {
+		rdma_port = conf_get_str("nfsd", "rdma-port");
+		if (!rdma_port)
+			rdma_port = "nfsrdma";
+	}
+	/* backward compatibility - nfs.conf used to set rdma port directly */
+	if (!rdma_port)
+		rdma_port = conf_get_str("nfsd", "rdma");
+	if (conf_get_bool("nfsd", "udp", NFSCTL_UDPISSET(protobits)))
+		NFSCTL_UDPSET(protobits);
+	else
+		NFSCTL_UDPUNSET(protobits);
+	if (conf_get_bool("nfsd", "tcp", NFSCTL_TCPISSET(protobits)))
+		NFSCTL_TCPSET(protobits);
+	else
+		NFSCTL_TCPUNSET(protobits);
+	for (i = 2; i <= 4; i++) {
+		char tag[20];
+		sprintf(tag, "vers%d", i);
+		if (conf_get_bool("nfsd", tag, NFSCTL_VERISSET(versbits, i))) {
+			NFSCTL_VERSET(versbits, i);
+			if (i == 4)
+				minorvers = minorversset = minormask;
+		} else {
+			NFSCTL_VERUNSET(versbits, i);
+			if (i == 4) {
+				minorvers = 0;
+				minorversset = minormask;
+			}
+		}
+	}
+
+	/* We assume the kernel will default all minor versions to 'on',
+	 * and allow the config file to disable some.
+	 */
+	for (i = NFS4_MINMINOR; i <= NFS4_MAXMINOR; i++) {
+		char tag[20];
+		sprintf(tag, "vers4.%d", i);
+		/* The default for minor version support is to let the
+		 * kernel decide.  We could ask the kernel what that choice
+		 * will be, but that is needlessly complex.
+		 * Instead, perform a config-file lookup using each of the
+		 * two possible default.  If the result is different from the
+		 * default, then impose that value, else don't make a change
+		 * (i.e. don't set the bit in minorversset).
+		 */
+		if (!conf_get_bool("nfsd", tag, 1)) {
+			NFSCTL_MINORSET(minorversset, i);
+			NFSCTL_MINORUNSET(minorvers, i);
+			if (i == 0)
+				force4dot0 = 1;
+		}
+		if (conf_get_bool("nfsd", tag, 0)) {
+			NFSCTL_MINORSET(minorversset, i);
+			NFSCTL_MINORSET(minorvers, i);
+			if (i == 0)
+				force4dot0 = 1;
+		}
+	}
+
+	hosts = conf_get_list("nfsd", "host");
+	if (hosts && hosts->cnt) {
+		struct conf_list_node *n;
+		haddr = realloc(haddr, sizeof(char*) * hosts->cnt);
+		TAILQ_FOREACH(n, &(hosts->fields), link) {
+			haddr[hcounter] = n->field;
+			hcounter++;
+		}
+	}
+	scope = conf_get_str("nfsd", "scope");
+
+	while ((c = getopt_long(argc, argv, "dH:S:hN:V:p:P:stTuUrG:L:", longopts, NULL)) != EOF) {
+		switch(c) {
+		case 'd':
+			xlog_config(D_ALL, 1);
+			break;
+		case 'H':
+			if (hosts) {
+				hosts = NULL;
+				hcounter = 0;
+			}
+			if (hcounter) {
+				haddr = realloc(haddr, sizeof(char*) * hcounter+1);
+				if(!haddr) {
+					fprintf(stderr, "%s: unable to allocate "
+							"memory.\n", progname);
+					exit(1);
+				}
+			}
+			haddr[hcounter] = optarg;
+			hcounter++;
+			break;
+		case 'S':
+			scope = optarg;
+			break;
+		case 'P':	/* XXX for nfs-server compatibility */
+		case 'p':
+			/* only the last -p option has any effect */
+			port = optarg;
+			break;
+		case 'r':
+			rdma_port = "nfsrdma";
+			break;
+		case 'R': /* --rdma */
+			if (optarg)
+				rdma_port = optarg;
+			else
+				rdma_port = "nfsrdma";
+			break;
+
+		case 'N':
+			switch((c = strtol(optarg, &p, 0))) {
+			case 4:
+				if (*p == '.') {
+					int i = atoi(p+1);
+					if (i < 0 || i > NFS4_MAXMINOR) {
+						fprintf(stderr, "%s: unsupported minor version\n", optarg);
+						exit(1);
+					}
+					NFSCTL_MINORSET(minorversset, i);
+					NFSCTL_MINORUNSET(minorvers, i);
+					if (i == 0)
+						force4dot0 = 1;
+					if (minorvers != 0)
+						break;
+				} else {
+					minorvers = 0;
+					minorversset = minormask;
+				}
+				/* FALLTHRU */
+			case 3:
+				NFSCTL_VERUNSET(versbits, c);
+				break;
+			default:
+				fprintf(stderr, "%s: Unsupported version\n", optarg);
+				exit(1);
+			}
+			break;
+		case 'V':
+			switch((c = strtol(optarg, &p, 0))) {
+			case 4:
+				if (*p == '.') {
+					int i = atoi(p+1);
+					if (i < 0 || i > NFS4_MAXMINOR) {
+						fprintf(stderr, "%s: unsupported minor version\n", optarg);
+						exit(1);
+					}
+					NFSCTL_MINORSET(minorversset, i);
+					NFSCTL_MINORSET(minorvers, i);
+					if (i == 0)
+						force4dot0 = 1;
+				} else
+					minorvers = minorversset = minormask;
+				/* FALLTHRU */
+			case 3:
+				NFSCTL_VERSET(versbits, c);
+				break;
+			default:
+				fprintf(stderr, "%s: Unsupported version\n", optarg);
+				exit(1);
+			}
+			break;
+		case 's':
+			xlog_syslog(1);
+			xlog_stderr(0);
+			break;
+		case 't':
+			NFSCTL_TCPSET(protobits);
+			break;
+		case 'T':
+			NFSCTL_TCPUNSET(protobits);
+			break;
+		case 'u':
+			NFSCTL_UDPSET(protobits);
+			break;
+		case 'U':
+			NFSCTL_UDPUNSET(protobits);
+			break;
+		case 'G':
+			grace = strtol(optarg, &p, 0);
+			if (*p || grace <= 0) {
+				fprintf(stderr, "%s: Unrecognized grace time.\n", optarg);
+				exit(1);
+			}
+			break;
+		case 'L':
+			lease = strtol(optarg, &p, 0);
+			if (*p || lease <= 0) {
+				fprintf(stderr, "%s: Unrecognized lease time.\n", optarg);
+				exit(1);
+			}
+			break;
+		default:
+			fprintf(stderr, "Invalid argument: '%c'\n", c);
+			/* FALLTHRU */
+		case 'h':
+			usage(progname);
+		}
+	}
+
+	if (optind < argc) {
+		if ((count = atoi(argv[optind])) < 0) {
+			/* insane # of servers */
+			fprintf(stderr,
+				"%s: invalid server count (%d), using 1\n",
+				argv[0], count);
+			count = 1;
+		} else if (count == 0) {
+			/*
+			 * don't bother setting anything else if the threads
+			 * are coming down anyway.
+			 */
+			socket_up = 1;
+			goto set_threads;
+		}
+	}
+
+	xlog_open(progname);
+
+	portnum = strtol(port, &p, 0);
+	if (!*p && (portnum <= 0 || portnum > 65535)) {
+		/* getaddrinfo will catch other errors, but not
+		 * out-of-range numbers.
+		 */
+		xlog(L_ERROR, "invalid port number: %s", port);
+		exit(1);
+	}
+
+	/* make sure that at least one version is enabled */
+	found_one = 0;
+	for (c = NFSD_MINVERS; c <= NFSD_MAXVERS; c++) {
+		if (NFSCTL_VERISSET(versbits, c))
+			found_one = 1;
+	}
+	if (!found_one) {
+		xlog(L_ERROR, "no version specified");
+		exit(1);
+	}
+
+	if (NFSCTL_VERISSET(versbits, 4) &&
+	    !NFSCTL_TCPISSET(protobits)) {
+		xlog(L_ERROR, "version 4 requires the TCP protocol");
+		exit(1);
+	}
+
+	if (chdir(NFS_STATEDIR)) {
+		xlog(L_ERROR, "chdir(%s) failed: %m", NFS_STATEDIR);
+		exit(1);
+	}
+
+	/* make sure nfsdfs is mounted if it's available */
+	nfssvc_mount_nfsdfs(progname);
+
+	/* can only change number of threads if nfsd is already up */
+	if (nfssvc_inuse()) {
+		socket_up = 1;
+		goto set_threads;
+	}
+
+	/*
+	 * Must set versions before the fd's so that the right versions get
+	 * registered with rpcbind. Note that on older kernels w/o the right
+	 * interfaces, these are a no-op.
+	 * Timeouts must also be set before ports are created else we get
+	 * EBUSY.
+	 */
+	nfssvc_setvers(versbits, minorvers, minorversset, force4dot0);
+	if (grace > 0)
+		nfssvc_set_time("grace", grace);
+	if (lease  > 0)
+		nfssvc_set_time("lease", lease);
+
+	if (scope) {
+		if (unshare(CLONE_NEWUTS) < 0 ||
+		    sethostname(scope, strlen(scope)) < 0) {
+			xlog(L_ERROR, "Unable to set server scope: %m");
+			error = -1;
+			goto out;
+		}
+	}
+	i = 0;
+	do {
+		error = nfssvc_set_sockets(protobits, haddr[i], port);
+		if (!error)
+			socket_up = 1;
+	} while (++i < hcounter);
+
+	if (rdma_port) {
+		error = nfssvc_set_rdmaport(rdma_port);
+		if (!error)
+			socket_up = 1;
+	}
+set_threads:
+	/* don't start any threads if unable to hand off any sockets */
+	if (!socket_up) {
+		xlog(L_ERROR, "unable to set any sockets for nfsd");
+		goto out;
+	}
+	error = 0;
+
+	/*
+	 * KLUDGE ALERT:
+	 * Some kernels let nfsd kernel threads inherit open files
+	 * from the program that spawns them (i.e. us).  So close
+	 * everything before spawning kernel threads.  --Chip
+	 */
+	fd = open("/dev/null", O_RDWR);
+	if (fd == -1)
+		xlog(L_ERROR, "Unable to open /dev/null: %m");
+	else {
+		/* switch xlog output to syslog since stderr is being closed */
+		xlog_syslog(1);
+		xlog_stderr(0);
+		(void) dup2(fd, 0);
+		(void) dup2(fd, 1);
+		(void) dup2(fd, 2);
+	}
+	closeall(3);
+
+	if ((error = nfssvc_threads(count)) < 0)
+		xlog(L_ERROR, "error starting threads: errno %d (%m)", errno);
+out:
+	free(haddr);
+	return (error != 0);
+}
+
+static void
+usage(const char *prog)
+{
+	fprintf(stderr, "Usage:\n"
+		"%s [-d|--debug] [-H hostname] [-p|-P|--port port]\n"
+		"   [-N|--no-nfs-version version] [-V|--nfs-version version]\n"
+		"   [-s|--syslog] [-t|--tcp] [-T|--no-tcp] [-u|--udp] [-U|--no-udp]\n"
+		"   [-r|--rdma=] [-G|--grace-time secs] [-L|--leasetime secs] nrservs\n",
+		prog);
+	exit(2);
+}
diff --git a/utils/nfsd/nfsd.man b/utils/nfsd/nfsd.man
new file mode 100644
index 0000000..6f4fc1d
--- /dev/null
+++ b/utils/nfsd/nfsd.man
@@ -0,0 +1,203 @@
+.\"
+.\" nfsd(8)
+.\"
+.\" Copyright (C) 1999 Olaf Kirch <okir@monad.swb.de>
+.TH rpc.nfsd 8 "20 Feb 2014"
+.SH NAME
+rpc.nfsd \- NFS server process
+.SH SYNOPSIS
+.BI "/usr/sbin/rpc.nfsd [" options "]" " "nproc
+.SH DESCRIPTION
+The
+.B rpc.nfsd
+program implements the user level part of the NFS service. The
+main functionality is handled by the
+.B nfsd
+kernel module. The user space program merely specifies what sort of sockets
+the kernel service should listen on, what NFS versions it should support, and
+how many kernel threads it should use.
+.P
+The
+.B rpc.mountd
+server provides an ancillary service needed to satisfy mount requests
+by NFS clients.
+.SH OPTIONS
+.TP
+.B \-d " or " \-\-debug
+enable logging of debugging messages
+.TP
+.B \-H " or " \-\-host  hostname
+specify a particular hostname (or address) that NFS requests will
+be accepted on. By default,
+.B rpc.nfsd
+will accept NFS requests on all known network addresses.
+Note that
+.B lockd
+(which performs file locking services for NFS) may still accept
+request on all known network addresses.  This may change in future
+releases of the Linux Kernel. This option can be used multiple times
+to listen to more than one interface.
+.TP
+.B \-S " or " \-\-scope scope
+NFSv4.1 and later require the server to report a "scope" which is used
+by the clients to detect if two connections are to the same server.
+By default Linux NFSD uses the host name as the scope.
+.sp
+It is particularly important for high-availablity configurations to ensure
+that all potential server nodes report the same server scope.
+.TP
+.B \-p " or " \-\-port  port
+specify a different port to listen on for NFS requests. By default,
+.B rpc.nfsd
+will listen on port 2049.
+.TP
+.B \-r " or " \-\-rdma
+specify that NFS requests on the standard RDMA port ("nfsrdma", port
+20049) should be honored.
+.TP
+.BI \-\-rdma= port
+Listen for RDMA requests on an alternate port - may be a number or a
+name listed in
+.BR /etc/services .
+.TP
+.B \-N " or " \-\-no-nfs-version vers
+This option can be used to request that 
+.B rpc.nfsd
+does not offer certain versions of NFS. The current version of
+.B rpc.nfsd
+can support major NFS versions 3,4 and the minor versions 4.0, 4.1 and 4.2.
+.TP
+.B \-s " or " \-\-syslog
+By default,
+.B rpc.nfsd
+logs error messages (and debug messages, if enabled) to stderr. This option makes 
+.B rpc.nfsd
+log these messages to syslog instead. Note that errors encountered during
+option processing will still be logged to stderr regardless of this option.
+.TP
+.B \-t " or " \-\-tcp
+Instruct the kernel nfs server to open and listen on a TCP socket. This is the default.
+.TP
+.B \-T " or " \-\-no-tcp
+Instruct the kernel nfs server not to open and listen on a TCP socket.
+.TP
+.B \-u " or " \-\-udp
+Instruct the kernel nfs server to open and listen on a UDP socket.
+.TP
+.B \-U " or " \-\-no-udp
+Instruct the kernel nfs server not to open and listen on a UDP socket. This is the default.
+.TP
+.B \-V " or " \-\-nfs-version vers
+This option can be used to request that 
+.B rpc.nfsd
+offer certain versions of NFS. The current version of
+.B rpc.nfsd
+can support major NFS versions 3,4 and the minor versions 4.0, 4.1 and 4.2.
+.TP
+.B \-L " or " \-\-lease-time seconds
+Set the lease-time used for NFSv4.  This corresponds to how often
+clients need to confirm their state with the server. Valid range is
+from 10 to 3600 seconds.
+.TP
+.B \-G " or " \-\-grace-time seconds
+Set the grace-time used for NFSv4 and NLM (for NFSv2 and NFSv3).
+New file open requests (NFSv4) and new file locks (NLM) will not be
+allowed until after this time has passed to allow clients to recover state.
+.TP
+.I nproc
+specify the number of NFS server threads. By default, eight
+threads are started. However, for optimum performance several threads
+should be used. The actual figure depends on the number of and the work
+load created by the NFS clients, but a useful starting point is
+eight threads. Effects of modifying that number can be checked using
+the
+.BR nfsstat (8)
+program.
+.P
+Note that if the NFS server is already running, then the options for
+specifying host, port, and protocol will be ignored.  The number of
+processes given will be the only option considered, and the number of
+active
+.B nfsd
+processes will be increased or decreased to match this number.
+In particular
+.B rpc.nfsd 0
+will stop all threads and thus close any open connections.
+
+.SH CONFIGURATION FILE
+Many of the options that can be set on the command line can also be
+controlled through values set in the
+.B [nfsd]
+section of the
+.I /etc/nfs.conf
+configuration file.  Values recognized include:
+.TP
+.B threads
+The number of threads to start.
+.TP
+.B host
+A host name, or comma separated list of host names, that
+.I rpc.nfsd
+will listen on.  Use of the
+.B --host
+option replaces all host names listed here.
+.TP
+.B scope
+Set the server scope.
+.TP
+.B grace-time
+The grace time, for both NFSv4 and NLM, in seconds.
+.TP
+.B lease-time
+The lease time for NFSv4, in seconds.
+.TP
+.B port
+Set the port for TCP/UDP to bind to.
+.TP
+.B rdma
+Enable RDMA port (with "on" or "yes" etc) on the standard port
+("nfsrdma", port 20049).
+.TP
+.B rdma-port
+Set an alternate RDMA port.
+.TP
+.B UDP
+Enable (with "on" or "yes" etc) or disable ("off", "no") UDP support.
+.TP
+.B TCP
+Enable or disable TCP support.
+.TP
+.B vers3
+.TP
+.B vers4
+Enable or disable 
+.B all 
+NFSv4 versions.  All versions are normally enabled
+by default.
+.TP
+.B vers4.1
+.TP
+.B vers4.2
+Setting these to "off" or similar will disable the selected minor
+versions.  Setting to "on" will enable them.  The default values
+are determined by the kernel, and usually minor versions default to
+being enabled once the implementation is sufficiently complete.
+
+.SH NOTES
+If the program is built with TI-RPC support, it will enable any protocol and
+address family combinations that are marked visible in the
+.B netconfig
+database.
+
+.SH SEE ALSO
+.BR nfsd (7),
+.BR rpc.mountd (8),
+.BR exports (5),
+.BR exportfs (8),
+.BR nfs.conf (5),
+.BR rpc.rquotad (8),
+.BR nfsstat (8),
+.BR netconfig(5).
+.SH AUTHOR
+Olaf Kirch, Bill Hawes, H. J. Lu, G. Allan Morris III,
+and a host of others.
diff --git a/utils/nfsd/nfssvc.c b/utils/nfsd/nfssvc.c
new file mode 100644
index 0000000..46452d9
--- /dev/null
+++ b/utils/nfsd/nfssvc.c
@@ -0,0 +1,438 @@
+/*
+ * utils/nfsd/nfssvc.c
+ *
+ * Run an NFS daemon.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "nfslib.h"
+#include "xlog.h"
+#include "nfssvc.h"
+#include "version.h"
+
+#ifndef NFSD_FS_DIR
+#define NFSD_FS_DIR	  "/proc/fs/nfsd"
+#endif
+
+#define NFSD_PORTS_FILE   NFSD_FS_DIR "/portlist"
+#define NFSD_VERS_FILE    NFSD_FS_DIR "/versions"
+#define NFSD_THREAD_FILE  NFSD_FS_DIR "/threads"
+
+/*
+ * declaring a common static scratch buffer here keeps us from having to
+ * continually thrash the stack. The value of 128 bytes here is really just a
+ * SWAG and can be increased if necessary. It ought to be enough for the
+ * routines below however.
+ */
+char buf[128];
+
+/*
+ * Using the "new" interfaces for nfsd requires that /proc/fs/nfsd is
+ * actually mounted. Make an attempt to mount it here if it doesn't appear
+ * to be.
+ */
+void
+nfssvc_mount_nfsdfs(char *progname)
+{
+	int err;
+	struct stat statbuf;
+
+	err = stat(NFSD_THREAD_FILE, &statbuf);
+	if (err == 0)
+		return;
+
+	if (errno != ENOENT) {
+		xlog(L_ERROR, "Unable to stat %s: errno %d (%m)",
+				NFSD_THREAD_FILE, errno);
+		return;
+	}
+
+	/*
+	 * this call can return an error if modprobe is set up to automatically
+	 * mount nfsdfs when nfsd.ko is plugged in. So, ignore the return
+	 * code from it and just check for the "threads" file afterward.
+	 */
+	err = system("/bin/mount -t nfsd nfsd " NFSD_FS_DIR " >/dev/null 2>&1");
+
+	err = stat(NFSD_THREAD_FILE, &statbuf);
+	if (err == 0)
+		return;
+
+	xlog(L_WARNING, "Unable to access " NFSD_FS_DIR " errno %d (%m)." 
+		"\nPlease try, as root, 'mount -t nfsd nfsd " NFSD_FS_DIR 
+		"' and then restart %s to correct the problem", errno, progname);
+
+	return;
+}
+
+/*
+ * Are there already sockets configured? If not, then it is safe to try to
+ * open some and pass them through.
+ *
+ * Note: If the user explicitly asked for 'udp', then we should probably check
+ * if that is open, and should open it if not. However we don't yet. All
+ * sockets have to be opened when the first daemon is started.
+ */
+int
+nfssvc_inuse(void)
+{
+	int fd, n;
+
+	fd = open(NFSD_PORTS_FILE, O_RDONLY);
+
+	/* problem opening file, assume that nothing is configured */
+	if (fd < 0)
+		return 0;
+
+	n = read(fd, buf, sizeof(buf));
+	close(fd);
+
+	xlog(D_GENERAL, "knfsd is currently %s", (n > 0) ? "up" : "down");
+
+	return (n > 0);
+}
+
+static int
+nfssvc_setfds(const struct addrinfo *hints, const char *node, const char *port)
+{
+	int fd, on = 1, fac = L_ERROR;
+	int sockfd = -1, rc = 0, bounded = 0;
+	struct addrinfo *addrhead = NULL, *addr;
+	char *proto, *family;
+
+	/*
+	 * if file can't be opened, fail.
+	 */
+	fd = open(NFSD_PORTS_FILE, O_WRONLY);
+	if (fd < 0)
+		return 0;
+
+	rc = getaddrinfo(node, port, hints, &addrhead);
+	if (rc == EAI_NONAME && !strcmp(port, "nfs")) {
+		snprintf(buf, sizeof(buf), "%d", NFS_PORT);
+		rc = getaddrinfo(node, buf, hints, &addrhead);
+	}
+
+	if (rc != 0) {
+		xlog(L_ERROR, "unable to resolve %s:%s: %s",
+			node ? node : "ANYADDR", port,
+			rc == EAI_SYSTEM ? strerror(errno) :
+				gai_strerror(rc));
+		goto error;
+	}
+
+	addr = addrhead;
+	while(addr) {
+		/* skip non-TCP / non-UDP sockets */
+		switch(addr->ai_protocol) {
+		case IPPROTO_UDP:
+			proto = "UDP";
+			break;
+		case IPPROTO_TCP:
+			proto = "TCP";
+			break;
+		default:
+			addr = addr->ai_next;
+			continue;
+		}
+
+		switch(addr->ai_addr->sa_family) {
+		case AF_INET:
+			family = "AF_INET";
+			break;
+#ifdef IPV6_SUPPORTED
+		case AF_INET6:
+			family = "AF_INET6";
+			break;
+#endif /* IPV6_SUPPORTED */
+		default:
+			addr = addr->ai_next;
+			continue;
+		}
+
+		/* open socket and prepare to hand it off to kernel */
+		sockfd = socket(addr->ai_family, addr->ai_socktype,
+				addr->ai_protocol);
+		if (sockfd < 0) {
+			if (errno != EAFNOSUPPORT) {
+				xlog(L_ERROR, "unable to create %s %s socket: "
+				     "errno %d (%m)", family, proto, errno);
+				rc = errno;
+				goto error;
+			}
+			addr = addr->ai_next;
+			continue;
+		}
+
+		xlog(D_GENERAL, "Created %s %s socket.", family, proto);
+
+#ifdef IPV6_SUPPORTED
+		if (addr->ai_family == AF_INET6 &&
+		    setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on))) {
+			xlog(L_ERROR, "unable to set IPV6_V6ONLY: "
+				"errno %d (%m)\n", errno);
+			rc = errno;
+			goto error;
+		}
+#endif /* IPV6_SUPPORTED */
+		if (addr->ai_protocol == IPPROTO_TCP &&
+		    setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))) {
+			xlog(L_ERROR, "unable to set SO_REUSEADDR on %s "
+				"socket: errno %d (%m)", family, errno);
+			rc = errno;
+			goto error;
+		}
+		if (bind(sockfd, addr->ai_addr, addr->ai_addrlen)) {
+			xlog(L_ERROR, "unable to bind %s %s socket: "
+				"errno %d (%m)", family, proto, errno);
+			rc = errno;
+			goto error;
+		}
+		if (addr->ai_protocol == IPPROTO_TCP && listen(sockfd, 64)) {
+			xlog(L_ERROR, "unable to create listening socket: "
+				"errno %d (%m)", errno);
+			rc = errno;
+			goto error;
+		}
+
+		if (fd < 0)
+			fd = open(NFSD_PORTS_FILE, O_WRONLY);
+
+		if (fd < 0) {
+			xlog(L_ERROR, "couldn't open ports file: errno "
+				      "%d (%m)", errno);
+			goto error;
+		}
+
+		snprintf(buf, sizeof(buf), "%d\n", sockfd); 
+		if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf)) {
+			/*
+			 * this error may be common on older kernels that don't
+			 * support IPv6, so turn into a debug message.
+			 */
+			if (errno == EAFNOSUPPORT)
+				fac = D_ALL;
+			xlog(fac, "writing fd to kernel failed: errno %d (%m)",
+				  errno);
+			rc = errno;
+			goto error;
+		}
+		bounded++;
+
+		close(fd);
+		close(sockfd);
+		sockfd = fd = -1;
+		addr = addr->ai_next;
+	}
+error:
+	if (fd >= 0)
+		close(fd);
+	if (sockfd >= 0)
+		close(sockfd);
+	nfs_freeaddrinfo(addrhead);
+	return (bounded ? 0 : rc);
+}
+
+int
+nfssvc_set_sockets(const unsigned int protobits,
+		   const char *host, const char *port)
+{
+	struct addrinfo hints = { .ai_flags = AI_PASSIVE };
+
+#ifdef IPV6_SUPPORTED
+	hints.ai_family = AF_UNSPEC;
+#else  /* IPV6_SUPPORTED */
+	hints.ai_family = AF_INET;
+#endif /* IPV6_SUPPORTED */
+
+	if (!NFSCTL_ANYPROTO(protobits))
+		return EPROTOTYPE;
+	else if (!NFSCTL_UDPISSET(protobits))
+		hints.ai_protocol = IPPROTO_TCP;
+	else if (!NFSCTL_TCPISSET(protobits))
+		hints.ai_protocol = IPPROTO_UDP;
+
+	return nfssvc_setfds(&hints, host, port);
+}
+
+int
+nfssvc_set_rdmaport(const char *port)
+{
+	struct servent *sv = getservbyname(port, "tcp");
+	int nport;
+	char buf[20];
+	int ret;
+	int fd;
+
+	if (sv)
+		nport = ntohs(sv->s_port);
+	else {
+		char *ep;
+		nport = strtol(port, &ep, 10);
+		if (!*port || *ep) {
+			xlog(L_ERROR, "unable to interpret port name %s",
+			     port);
+			return 1;
+		}
+	}
+
+	fd = open(NFSD_PORTS_FILE, O_WRONLY);
+	if (fd < 0)
+		return 1;
+	snprintf(buf, sizeof(buf), "rdma %d", nport);
+	ret = 0;
+	if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf)) {
+		ret= errno;
+		xlog(L_ERROR, "Unable to request RDMA services: %m");
+	}
+	close(fd);
+	return ret;
+}
+
+void
+nfssvc_set_time(const char *type, const int seconds)
+{
+	char pathbuf[40];
+	char nbuf[10];
+	int fd;
+
+	snprintf(pathbuf, sizeof(pathbuf), NFSD_FS_DIR "/nfsv4%stime", type);
+	snprintf(nbuf, sizeof(nbuf), "%d", seconds);
+	fd = open(pathbuf, O_WRONLY);
+	if (fd >= 0) {
+		if (write(fd, nbuf, strlen(nbuf)) != (ssize_t)strlen(nbuf))
+			xlog(L_ERROR, "Unable to set nfsv4%stime: %m", type);
+		close(fd);
+	}
+	if (strcmp(type, "grace") == 0) {
+		/* set same value for lockd */
+		fd = open("/proc/sys/fs/nfs/nlm_grace_period", O_WRONLY);
+		if (fd >= 0) {
+			if (write(fd, nbuf, strlen(nbuf)) != (ssize_t)strlen(nbuf))
+				xlog(L_ERROR, "Unable to write nlm_grace_period : %m");
+			close(fd);
+		}
+	}
+}
+
+void
+nfssvc_get_minormask(unsigned int *mask)
+{
+	int fd;
+	char *ptr = buf;
+	ssize_t size;
+
+	fd = open(NFSD_VERS_FILE, O_RDONLY);
+	if (fd < 0)
+		return;
+
+	size = read(fd, buf, sizeof(buf));
+	if (size < 0) {
+		xlog(L_ERROR, "Getting versions failed: errno %d (%m)", errno);
+		goto out;
+	}
+	ptr[size] = '\0';
+	for (;;) {
+		unsigned vers, minor = 0;
+		char *token = strtok(ptr, " ");
+
+		if (!token)
+			break;
+		ptr = NULL;
+		if (*token != '+' && *token != '-')
+			continue;
+		if (sscanf(++token, "%u.%u", &vers, &minor) > 0 &&
+		    vers == 4 && minor <= NFS4_MAXMINOR)
+			NFSCTL_MINORSET(*mask, minor);
+	}
+out:
+	close(fd);
+	return;
+}
+
+static int
+nfssvc_print_vers(char *ptr, unsigned size, unsigned vers, unsigned minorvers,
+		int isset, int force4dot0)
+{
+	char sign = isset ? '+' : '-';
+	if (minorvers == 0)
+		if (linux_version_code() < MAKE_VERSION(4, 11, 0) || !force4dot0)
+			return snprintf(ptr, size, "%c%u ", sign, vers);
+	return snprintf(ptr, size, "%c%u.%u ", sign, vers, minorvers);
+}
+
+void
+nfssvc_setvers(unsigned int ctlbits, unsigned int minorvers, unsigned int minorversset,
+	       int force4dot0)
+{
+	int fd, n, off;
+
+	off = 0;
+	fd = open(NFSD_VERS_FILE, O_WRONLY);
+	if (fd < 0)
+		return;
+
+	for (n = NFSD_MINVERS; n <= ((NFSD_MAXVERS < 3) ? NFSD_MAXVERS : 3); n++)
+		off += nfssvc_print_vers(&buf[off], sizeof(buf) - off,
+				n, 0, NFSCTL_VERISSET(ctlbits, n), 0);
+
+	for (n = 0; n <= NFS4_MAXMINOR; n++) {
+		if (!NFSCTL_MINORISSET(minorversset, n))
+			continue;
+		off += nfssvc_print_vers(&buf[off], sizeof(buf) - off,
+				4, n, NFSCTL_MINORISSET(minorvers, n),
+				(n == 0) ? force4dot0 : 0);
+	}
+	if (!off--)
+		goto out;
+	buf[off] = '\0';
+	xlog(D_GENERAL, "Writing version string to kernel: %s", buf);
+	snprintf(&buf[off], sizeof(buf) - off, "\n");
+	if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf))
+		xlog(L_ERROR, "Setting version failed: errno %d (%m)", errno);
+out:
+	close(fd);
+
+	return;
+}
+
+int
+nfssvc_threads(const int nrservs)
+{
+	ssize_t n;
+	int fd;
+
+	fd = open(NFSD_THREAD_FILE, O_WRONLY);
+	if (fd < 0)
+		fd = open("/proc/fs/nfs/threads", O_WRONLY);
+	if (fd >= 0) {
+		/* 2.5+ kernel with nfsd filesystem mounted.
+		 * Just write the number of threads.
+		 */
+		snprintf(buf, sizeof(buf), "%d\n", nrservs);
+		n = write(fd, buf, strlen(buf));
+		close(fd);
+		if (n != (ssize_t)strlen(buf))
+			return -1;
+		else
+			return 0;
+	}
+	return -1;
+}
diff --git a/utils/nfsd/nfssvc.h b/utils/nfsd/nfssvc.h
new file mode 100644
index 0000000..4d53af1
--- /dev/null
+++ b/utils/nfsd/nfssvc.h
@@ -0,0 +1,32 @@
+/*
+ *   utils/nfsd/nfssvc.h -- nfs service control routines for rpc.nfsd
+ *
+ *   Copyright (C) 2009 Red Hat, Inc <nfs@redhat.com>.
+ *   Copyright (C) 2009 Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+void	nfssvc_mount_nfsdfs(char *progname);
+int	nfssvc_inuse(void);
+int	nfssvc_set_sockets(const unsigned int protobits,
+			   const char *host, const char *port);
+void	nfssvc_set_time(const char *type, const int seconds);
+int	nfssvc_set_rdmaport(const char *port);
+void	nfssvc_setvers(unsigned int ctlbits, unsigned int minorvers4,
+		       unsigned int minorvers4set, int force4dot0);
+int	nfssvc_threads(int nrservs);
+void	nfssvc_get_minormask(unsigned int *mask);
diff --git a/utils/nfsdcld/Makefile.am b/utils/nfsdcld/Makefile.am
new file mode 100644
index 0000000..273d64f
--- /dev/null
+++ b/utils/nfsdcld/Makefile.am
@@ -0,0 +1,15 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= nfsdcld.man
+EXTRA_DIST	= $(man8_MANS)
+
+AM_CFLAGS	+= -D_LARGEFILE64_SOURCE
+sbin_PROGRAMS	= nfsdcld
+
+nfsdcld_SOURCES = nfsdcld.c sqlite.c legacy.c
+nfsdcld_LDADD = ../../support/nfs/libnfs.la $(LIBEVENT) $(LIBSQLITE) $(LIBCAP)
+
+noinst_HEADERS	= sqlite.h cld-internal.h legacy.h
+
+MAINTAINERCLEANFILES = Makefile.in
+
diff --git a/utils/nfsdcld/Makefile.in b/utils/nfsdcld/Makefile.in
new file mode 100644
index 0000000..5ada9cf
--- /dev/null
+++ b/utils/nfsdcld/Makefile.in
@@ -0,0 +1,822 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
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+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
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+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
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+subdir = utils/nfsdcld
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
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+	$(top_srcdir)/aclocal/libblkid.m4 \
+	$(top_srcdir)/aclocal/libcap.m4 \
+	$(top_srcdir)/aclocal/libevent.m4 \
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+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
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+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+DIST_COMMON = $(srcdir)/Makefile.am $(noinst_HEADERS) \
+	$(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
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+am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"
+PROGRAMS = $(sbin_PROGRAMS)
+am_nfsdcld_OBJECTS = nfsdcld.$(OBJEXT) sqlite.$(OBJEXT) \
+	legacy.$(OBJEXT)
+nfsdcld_OBJECTS = $(am_nfsdcld_OBJECTS)
+am__DEPENDENCIES_1 =
+nfsdcld_DEPENDENCIES = ../../support/nfs/libnfs.la \
+	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
+	$(am__DEPENDENCIES_1)
+AM_V_lt = $(am__v_lt_@AM_V@)
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+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/legacy.Po ./$(DEPDIR)/nfsdcld.Po \
+	./$(DEPDIR)/sqlite.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
+am__v_CCLD_1 = 
+SOURCES = $(nfsdcld_SOURCES)
+DIST_SOURCES = $(nfsdcld_SOURCES)
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__uninstall_files_from_dir = { \
+  test -z "$$files" \
+    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
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+         $(am__cd) "$$dir" && rm -f $$files; }; \
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+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/legacy.Po
+	-rm -f ./$(DEPDIR)/nfsdcld.Po
+	-rm -f ./$(DEPDIR)/sqlite.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man8
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/legacy.Po
+	-rm -f ./$(DEPDIR)/nfsdcld.Po
+	-rm -f ./$(DEPDIR)/sqlite.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+
+uninstall-man: uninstall-man8
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/nfsdcld/cld-internal.h b/utils/nfsdcld/cld-internal.h
new file mode 100644
index 0000000..3576515
--- /dev/null
+++ b/utils/nfsdcld/cld-internal.h
@@ -0,0 +1,44 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _CLD_INTERNAL_H_
+#define _CLD_INTERNAL_H_
+
+#if CLD_UPCALL_VERSION >= 2
+#define UPCALL_VERSION		2
+#else
+#define UPCALL_VERSION		1
+#endif
+
+struct cld_client {
+	int			cl_fd;
+	struct event		*cl_event;
+	union {
+		struct cld_msg		cl_msg;
+#if UPCALL_VERSION >= 2
+		struct cld_msg_v2	cl_msg_v2;
+#endif
+	} cl_u;
+};
+
+extern uint64_t current_epoch;
+extern uint64_t recovery_epoch;
+extern int first_time;
+extern int num_cltrack_records;
+extern int num_legacy_records;
+
+#endif /* _CLD_INTERNAL_H_ */
diff --git a/utils/nfsdcld/legacy.c b/utils/nfsdcld/legacy.c
new file mode 100644
index 0000000..b89374c
--- /dev/null
+++ b/utils/nfsdcld/legacy.c
@@ -0,0 +1,171 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <dirent.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <limits.h>
+#include "cld.h"
+#include "sqlite.h"
+#include "xlog.h"
+#include "legacy.h"
+
+#define NFSD_RECDIR_FILE "/proc/fs/nfsd/nfsv4recoverydir"
+
+/*
+ * Loads client records from the v4recovery directory into the database.
+ * Records are prefixed with the string "hash:" and include the '\0' byte.
+ *
+ * Called during database initialization as part of a one-time "upgrade".
+ */
+void
+legacy_load_clients_from_recdir(int *num_records)
+{
+	int fd;
+	DIR *v4recovery;
+	struct dirent *entry;
+	char recdirname[PATH_MAX+1];
+	char buf[NFS4_OPAQUE_LIMIT];
+	char *nl;
+	ssize_t n;
+
+	fd = open(NFSD_RECDIR_FILE, O_RDONLY);
+	if (fd < 0) {
+		xlog(D_GENERAL, "Unable to open %s: %m", NFSD_RECDIR_FILE);
+		return;
+	}
+	n = read(fd, recdirname, PATH_MAX);
+	close(fd);
+	if (n < 0) {
+		xlog(D_GENERAL, "Unable to read from %s: %m", NFSD_RECDIR_FILE);
+		return;
+	}
+	/* the output from the proc file isn't null-terminated */
+	recdirname[PATH_MAX] = '\0';
+	nl = strchr(recdirname, '\n');
+	if (!nl)
+		return;
+	*nl = '\0';
+	v4recovery = opendir(recdirname);
+	if (!v4recovery)
+		return;
+	while ((entry = readdir(v4recovery))) {
+		int ret;
+
+		/* skip "." and ".." */
+		if (entry->d_name[0] == '.') {
+			switch (entry->d_name[1]) {
+			case '\0':
+				continue;
+			case '.':
+				if (entry->d_name[2] == '\0')
+					continue;
+			}
+		}
+		/* prefix legacy records with the string "hash:" */
+		ret = snprintf(buf, sizeof(buf), "hash:%s", entry->d_name);
+		/* if there's a problem, then skip this entry */
+		if (ret < 0 || (size_t)ret >= sizeof(buf)) {
+			xlog(L_WARNING, "%s: unable to build client string for %s!",
+				__func__, entry->d_name);
+			continue;
+		}
+		/* legacy client records need to include the null terminator */
+		ret = sqlite_insert_client((unsigned char *)buf, strlen(buf) + 1);
+		if (ret)
+			xlog(L_WARNING, "%s: unable to insert %s: %d", __func__,
+				entry->d_name, ret);
+		else
+			(*num_records)++;
+	}
+	closedir(v4recovery);
+}
+
+/*
+ * Cleans out the v4recovery directory.
+ *
+ * Called upon receipt of the first "GraceDone" upcall only.
+ */
+void
+legacy_clear_recdir(void)
+{
+	int fd;
+	DIR *v4recovery;
+	struct dirent *entry;
+	char recdirname[PATH_MAX+1];
+	char dirname[PATH_MAX];
+	char *nl;
+	ssize_t n;
+
+	fd = open(NFSD_RECDIR_FILE, O_RDONLY);
+	if (fd < 0) {
+		xlog(D_GENERAL, "Unable to open %s: %m", NFSD_RECDIR_FILE);
+		return;
+	}
+	n = read(fd, recdirname, PATH_MAX);
+	close(fd);
+	if (n < 0) {
+		xlog(D_GENERAL, "Unable to read from %s: %m", NFSD_RECDIR_FILE);
+		return;
+	}
+	/* the output from the proc file isn't null-terminated */
+	recdirname[PATH_MAX] = '\0';
+	nl = strchr(recdirname, '\n');
+	if (!nl)
+		return;
+	*nl = '\0';
+	v4recovery = opendir(recdirname);
+	if (!v4recovery)
+		return;
+	while ((entry = readdir(v4recovery))) {
+		int len;
+
+		/* skip "." and ".." */
+		if (entry->d_name[0] == '.') {
+			switch (entry->d_name[1]) {
+			case '\0':
+				continue;
+			case '.':
+				if (entry->d_name[2] == '\0')
+					continue;
+			}
+		}
+		len = snprintf(dirname, sizeof(dirname), "%s/%s", recdirname,
+				entry->d_name);
+		/* if there's a problem, then skip this entry */
+		if (len < 0 || (size_t)len >= sizeof(dirname)) {
+			xlog(L_WARNING, "%s: unable to build filename for %s!",
+				__func__, entry->d_name);
+			continue;
+		}
+		len = rmdir(dirname);
+		if (len)
+			xlog(L_WARNING, "%s: unable to rmdir %s: %d", __func__,
+				dirname, len);
+	}
+	closedir(v4recovery);
+}
diff --git a/utils/nfsdcld/legacy.h b/utils/nfsdcld/legacy.h
new file mode 100644
index 0000000..8988f6e
--- /dev/null
+++ b/utils/nfsdcld/legacy.h
@@ -0,0 +1,24 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _LEGACY_H_
+#define _LEGACY_H_
+
+void legacy_load_clients_from_recdir(int *);
+void legacy_clear_recdir(void);
+
+#endif /* _LEGACY_H_ */
diff --git a/utils/nfsdcld/nfsdcld.c b/utils/nfsdcld/nfsdcld.c
new file mode 100644
index 0000000..dbc7a57
--- /dev/null
+++ b/utils/nfsdcld/nfsdcld.c
@@ -0,0 +1,922 @@
+/*
+ * nfsdcld.c -- NFSv4 client name tracking daemon
+ *
+ * Copyright (C) 2011  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <errno.h>
+#include <event2/event.h>
+#include <stdbool.h>
+#include <getopt.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <sys/inotify.h>
+#ifdef HAVE_SYS_CAPABILITY_H
+#include <sys/prctl.h>
+#include <sys/capability.h>
+#endif
+
+#include "xlog.h"
+#include "nfslib.h"
+#include "cld.h"
+#include "cld-internal.h"
+#include "sqlite.h"
+#include "version.h"
+#include "conffile.h"
+#include "legacy.h"
+
+#ifndef DEFAULT_PIPEFS_DIR
+#define DEFAULT_PIPEFS_DIR NFS_STATEDIR "/rpc_pipefs"
+#endif
+
+#define DEFAULT_CLD_PATH	"/nfsd/cld"
+
+#ifndef CLD_DEFAULT_STORAGEDIR
+#define CLD_DEFAULT_STORAGEDIR NFS_STATEDIR "/nfsdcld"
+#endif
+
+#define NFSD_END_GRACE_FILE "/proc/fs/nfsd/v4_end_grace"
+
+/* private data structures */
+
+/* global variables */
+static char pipefs_dir[PATH_MAX] = DEFAULT_PIPEFS_DIR;
+static char pipepath[PATH_MAX];
+static int 		inotify_fd = -1;
+static struct event	 *pipedir_event;
+static struct event_base *evbase;
+static bool old_kernel = false;
+static bool signal_received = false;
+
+uint64_t current_epoch;
+uint64_t recovery_epoch;
+int first_time;
+int num_cltrack_records;
+int num_legacy_records;
+
+static struct option longopts[] =
+{
+	{ "help", 0, NULL, 'h' },
+	{ "foreground", 0, NULL, 'F' },
+	{ "debug", 0, NULL, 'd' },
+	{ "pipefsdir", 1, NULL, 'p' },
+	{ "storagedir", 1, NULL, 's' },
+	{ NULL, 0, 0, 0 },
+};
+
+/* forward declarations */
+static void cldcb(int UNUSED(fd), short which, void *data);
+
+static void
+sig_die(int signal)
+{
+	if (signal_received) {
+		xlog(D_GENERAL, "forced exiting on signal %d\n", signal);
+		exit(0);
+	}
+
+	signal_received = true;
+	xlog(D_GENERAL, "exiting on signal %d\n", signal);
+	event_base_loopexit(evbase, NULL);
+}
+
+static void
+usage(char *progname)
+{
+	printf("%s [ -hFd ] [ -p pipefsdir ] [ -s storagedir ]\n", progname);
+}
+
+static int
+cld_set_caps(void)
+{
+	int ret = 0;
+#ifdef HAVE_SYS_CAPABILITY_H
+	unsigned long i;
+	cap_t caps;
+
+	if (getuid() != 0) {
+		xlog(L_ERROR, "Not running as root. Daemon won't be able to "
+			      "open the pipe after dropping capabilities!");
+		return -EINVAL;
+	}
+
+	/* prune the bounding set to nothing */
+	for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0 ; ++i) {
+		ret = prctl(PR_CAPBSET_DROP, i, 0, 0, 0);
+		if (ret) {
+			xlog(L_ERROR, "Unable to prune capability %lu from "
+				      "bounding set: %m", i);
+			return -errno;
+		}
+	}
+
+	/* get a blank capset */
+	caps = cap_init();
+	if (caps == NULL) {
+		xlog(L_ERROR, "Unable to get blank capability set: %m");
+		return -errno;
+	}
+
+	/* reset the process capabilities */
+	if (cap_set_proc(caps) != 0) {
+		xlog(L_ERROR, "Unable to set process capabilities: %m");
+		ret = -errno;
+	}
+	cap_free(caps);
+#endif
+	return ret;
+}
+
+#define INOTIFY_EVENT_MAX (sizeof(struct inotify_event) + NAME_MAX)
+
+static int
+cld_pipe_open(struct cld_client *clnt)
+{
+	int fd;
+	struct event *ev;
+
+	xlog(D_GENERAL, "%s: opening upcall pipe %s", __func__, pipepath);
+	fd = open(pipepath, O_RDWR, 0);
+	if (fd < 0) {
+		xlog(D_GENERAL, "%s: open of %s failed: %m", __func__, pipepath);
+		return -errno;
+	}
+
+	ev = event_new(evbase, fd, EV_READ, cldcb, clnt);
+	if (ev == NULL) {
+		xlog(D_GENERAL, "%s: failed to create event for %s", __func__, pipepath);
+		close(fd);
+		return -ENOMEM;
+	}
+
+	if (clnt->cl_event && event_initialized(clnt->cl_event)) {
+		event_del(clnt->cl_event);
+		event_free(clnt->cl_event);
+	}
+	if (clnt->cl_fd >= 0)
+		close(clnt->cl_fd);
+
+	clnt->cl_fd = fd;
+	clnt->cl_event = ev;
+	/* event_add is done by the caller */
+	return 0;
+}
+
+static void
+cld_inotify_cb(int UNUSED(fd), short which, void *data)
+{
+	int ret;
+	size_t elen;
+	ssize_t rret;
+	char evbuf[INOTIFY_EVENT_MAX];
+	char *dirc = NULL, *pname;
+	struct inotify_event *event = (struct inotify_event *)evbuf;
+	struct cld_client *clnt = data;
+
+	if (which != EV_READ)
+		return;
+
+	xlog(D_GENERAL, "%s: called for EV_READ", __func__);
+
+	dirc = strndup(pipepath, PATH_MAX);
+	if (!dirc) {
+		xlog(L_ERROR, "%s: unable to allocate memory", __func__);
+		goto out;
+	}
+
+	rret = read(inotify_fd, evbuf, INOTIFY_EVENT_MAX);
+	if (rret < 0) {
+		xlog(L_ERROR, "%s: read from inotify fd failed: %m", __func__);
+		goto out;
+	}
+
+	/* check to see if we have a filename in the evbuf */
+	if (!event->len) {
+		xlog(D_GENERAL, "%s: no filename in inotify event", __func__);
+		goto out;
+	}
+
+	pname = basename(dirc);
+	elen = strnlen(event->name, event->len);
+
+	/* does the filename match our pipe? */
+	if (strlen(pname) != elen || memcmp(pname, event->name, elen)) {
+		xlog(D_GENERAL, "%s: wrong filename (%s)", __func__,
+				event->name);
+		goto out;
+	}
+
+	ret = cld_pipe_open(clnt);
+	switch (ret) {
+	case 0:
+		/* readd the event for the cl_event pipe */
+		event_add(clnt->cl_event, NULL);
+		break;
+	case -ENOENT:
+		/* pipe must have disappeared, wait for it to come back */
+		goto out;
+	default:
+		/* anything else is fatal */
+		xlog(L_FATAL, "%s: unable to open new pipe (%d). Aborting.",
+			__func__, ret);
+		exit(ret);
+	}
+
+out:
+	event_add(pipedir_event, NULL);
+	free(dirc);
+}
+
+static int
+cld_inotify_setup(void)
+{
+	int ret;
+	char *dirc, *dname;
+
+	dirc = strndup(pipepath, PATH_MAX);
+	if (!dirc) {
+		xlog_err("%s: unable to allocate memory", __func__);
+		ret = -ENOMEM;
+		goto out_free;
+	}
+
+	dname = dirname(dirc);
+
+	inotify_fd = inotify_init();
+	if (inotify_fd < 0) {
+		xlog_err("%s: inotify_init failed: %m", __func__);
+		ret = -errno;
+		goto out_free;
+	}
+
+	ret = inotify_add_watch(inotify_fd, dname, IN_CREATE);
+	if (ret < 0) {
+		xlog_err("%s: inotify_add_watch failed: %m", __func__);
+		ret = -errno;
+		goto out_err;
+	} else
+		ret = 0;
+
+out_free:
+	free(dirc);
+	return ret;
+out_err:
+	close(inotify_fd);
+	goto out_free;
+}
+
+/*
+ * Set an inotify watch on the directory that should contain the pipe, and then
+ * try to open it. If it fails with anything but -ENOENT, return the error
+ * immediately.
+ *
+ * If it succeeds, then set up the pipe event handler. At that point, set up
+ * the inotify event handler and go ahead and return success.
+ */
+static int
+cld_pipe_init(struct cld_client *clnt)
+{
+	int ret;
+
+	xlog(D_GENERAL, "%s: init pipe handlers", __func__);
+
+	ret = cld_inotify_setup();
+	if (ret != 0)
+		goto out;
+
+	clnt->cl_fd = -1;
+	ret = cld_pipe_open(clnt);
+	switch (ret) {
+	case 0:
+		/* add the event and we're good to go */
+		event_add(clnt->cl_event, NULL);
+		break;
+	case -ENOENT:
+		/* ignore this error -- cld_inotify_cb will handle it */
+		ret = 0;
+		break;
+	default:
+		/* anything else is fatal */
+		close(inotify_fd);
+		goto out;
+	}
+
+	/* set event for inotify read */
+	pipedir_event = event_new(evbase, inotify_fd, EV_READ, cld_inotify_cb, clnt);
+	if (pipedir_event == NULL) {
+		close(inotify_fd);
+		return -ENOMEM;
+	}
+	event_add(pipedir_event, NULL);
+out:
+	return ret;
+}
+
+/*
+ * Older kernels will not tell nfsdcld when a grace period has started.
+ * Therefore we have to peek at the /proc/fs/nfsd/v4_end_grace file to
+ * see if nfsd is in grace.  We have to do this for create and remove
+ * upcalls to ensure that the correct table is being updated - otherwise
+ * we could lose client records when the grace period is lifted.
+ */
+static int
+cld_check_grace_period(void)
+{
+	int fd, ret = 0;
+	char c;
+
+	if (!old_kernel)
+		return 0;
+	if (recovery_epoch != 0)
+		return 0;
+	fd = open(NFSD_END_GRACE_FILE, O_RDONLY);
+	if (fd < 0) {
+		xlog(L_WARNING, "Unable to open %s: %m",
+			NFSD_END_GRACE_FILE);
+		return 1;
+	}
+	if (read(fd, &c, 1) < 0) {
+		xlog(L_WARNING, "Unable to read from %s: %m",
+			NFSD_END_GRACE_FILE);
+		close(fd);
+		return 1;
+	}
+	close(fd);
+	if (c == 'N') {
+		xlog(L_WARNING, "nfsd is in grace but didn't send a gracestart upcall, "
+			"please update the kernel");
+		ret = sqlite_grace_start();
+	}
+	return ret;
+}
+
+#if UPCALL_VERSION >= 2
+static ssize_t cld_message_size(void *msg)
+{
+	struct cld_msg_hdr *hdr = (struct cld_msg_hdr *)msg;
+
+	switch (hdr->cm_vers) {
+	case 1:
+		return sizeof(struct cld_msg);
+	case 2:
+		return sizeof(struct cld_msg_v2);
+	default:
+		xlog(L_FATAL, "%s invalid upcall version %d", __func__,
+		     hdr->cm_vers);
+		exit(-EINVAL);
+	}
+}
+#else
+static ssize_t cld_message_size(void *UNUSED(msg))
+{
+	return sizeof(struct cld_msg);
+}
+#endif
+
+static void
+cld_not_implemented(struct cld_client *clnt)
+{
+	int ret;
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	xlog(D_GENERAL, "%s: downcalling with not implemented error", __func__);
+
+	/* set up reply */
+	cmsg->cm_status = -EOPNOTSUPP;
+
+	bsize = cld_message_size(cmsg);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize)
+		xlog(L_ERROR, "%s: problem writing to cld pipe (%zd): %m",
+			 __func__, wsize);
+
+	/* reopen pipe, just to be sure */
+	ret = cld_pipe_open(clnt);
+	if (ret) {
+		xlog(L_FATAL, "%s: unable to reopen pipe: %d", __func__, ret);
+		exit(ret);
+	}
+}
+
+static void
+cld_get_version(struct cld_client *clnt)
+{
+	int ret;
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	xlog(D_GENERAL, "%s: version = %u.", __func__, UPCALL_VERSION);
+
+	cmsg->cm_u.cm_version = UPCALL_VERSION;
+	cmsg->cm_status = 0;
+
+	bsize = cld_message_size(cmsg);
+	xlog(D_GENERAL, "Doing downcall with status %d", cmsg->cm_status);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize) {
+		xlog(L_ERROR, "%s: problem writing to cld pipe (%zd): %m",
+			 __func__, wsize);
+		ret = cld_pipe_open(clnt);
+		if (ret) {
+			xlog(L_FATAL, "%s: unable to reopen pipe: %d",
+					__func__, ret);
+			exit(ret);
+		}
+	}
+}
+
+static void
+cld_create(struct cld_client *clnt)
+{
+	int ret;
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	ret = cld_check_grace_period();
+	if (ret)
+		goto reply;
+
+	xlog(D_GENERAL, "%s: create client record.", __func__);
+
+#if UPCALL_VERSION >= 2
+	if (cmsg->cm_vers >= 2)
+		ret = sqlite_insert_client_and_princhash(
+					cmsg->cm_u.cm_clntinfo.cc_name.cn_id,
+					cmsg->cm_u.cm_clntinfo.cc_name.cn_len,
+					cmsg->cm_u.cm_clntinfo.cc_princhash.cp_data,
+					cmsg->cm_u.cm_clntinfo.cc_princhash.cp_len);
+	else
+		ret = sqlite_insert_client(cmsg->cm_u.cm_name.cn_id,
+					   cmsg->cm_u.cm_name.cn_len);
+#else
+	ret = sqlite_insert_client(cmsg->cm_u.cm_name.cn_id,
+				   cmsg->cm_u.cm_name.cn_len);
+#endif
+
+reply:
+	cmsg->cm_status = ret ? -EREMOTEIO : ret;
+
+	bsize = cld_message_size(cmsg);
+	xlog(D_GENERAL, "Doing downcall with status %d", cmsg->cm_status);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize) {
+		xlog(L_ERROR, "%s: problem writing to cld pipe (%zd): %m",
+			 __func__, wsize);
+		ret = cld_pipe_open(clnt);
+		if (ret) {
+			xlog(L_FATAL, "%s: unable to reopen pipe: %d",
+					__func__, ret);
+			exit(ret);
+		}
+	}
+}
+
+static void
+cld_remove(struct cld_client *clnt)
+{
+	int ret;
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	ret = cld_check_grace_period();
+	if (ret)
+		goto reply;
+
+	xlog(D_GENERAL, "%s: remove client record.", __func__);
+
+	ret = sqlite_remove_client(cmsg->cm_u.cm_name.cn_id,
+				   cmsg->cm_u.cm_name.cn_len);
+
+reply:
+	cmsg->cm_status = ret ? -EREMOTEIO : ret;
+
+	bsize = cld_message_size(cmsg);
+	xlog(D_GENERAL, "%s: downcall with status %d", __func__,
+			cmsg->cm_status);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize) {
+		xlog(L_ERROR, "%s: problem writing to cld pipe (%zd): %m",
+			 __func__, wsize);
+		ret = cld_pipe_open(clnt);
+		if (ret) {
+			xlog(L_FATAL, "%s: unable to reopen pipe: %d",
+					__func__, ret);
+			exit(ret);
+		}
+	}
+}
+
+static void
+cld_check(struct cld_client *clnt)
+{
+	int ret;
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	/*
+	 * If we get a check upcall at all, it means we're talking to an old
+	 * kernel.  Furthermore, if we're not in grace it means this is the
+	 * first client to do a reclaim.  Log a message and use
+	 * sqlite_grace_start() to advance the epoch numbers.
+	 */
+	if (recovery_epoch == 0) {
+		xlog(D_GENERAL, "%s: received a check upcall, please update the kernel",
+			__func__);
+		ret = sqlite_grace_start();
+		if (ret)
+			goto reply;
+	}
+
+	xlog(D_GENERAL, "%s: check client record", __func__);
+
+	ret = sqlite_check_client(cmsg->cm_u.cm_name.cn_id,
+				  cmsg->cm_u.cm_name.cn_len);
+
+reply:
+	/* set up reply */
+	cmsg->cm_status = ret ? -EACCES : ret;
+
+	bsize = cld_message_size(cmsg);
+	xlog(D_GENERAL, "%s: downcall with status %d", __func__,
+			cmsg->cm_status);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize) {
+		xlog(L_ERROR, "%s: problem writing to cld pipe (%zd): %m",
+			 __func__, wsize);
+		ret = cld_pipe_open(clnt);
+		if (ret) {
+			xlog(L_FATAL, "%s: unable to reopen pipe: %d",
+					__func__, ret);
+			exit(ret);
+		}
+	}
+}
+
+static void
+cld_gracedone(struct cld_client *clnt)
+{
+	int ret;
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	/*
+	 * If we got a "gracedone" upcall while we're not in grace, then
+	 * 1) we must be talking to an old kernel
+	 * 2) no clients attempted to reclaim
+	 * In that case, log a message and use sqlite_grace_start() to
+	 * advance the epoch numbers, and then proceed as normal.
+	 */
+	if (recovery_epoch == 0) {
+		xlog(D_GENERAL, "%s: received gracedone upcall "
+			"while not in grace, please update the kernel",
+			__func__);
+		ret = sqlite_grace_start();
+		if (ret)
+			goto reply;
+	}
+
+	xlog(D_GENERAL, "%s: grace done.", __func__);
+
+	ret = sqlite_grace_done();
+
+	if (first_time) {
+		if (num_cltrack_records > 0)
+			sqlite_delete_cltrack_records();
+		if (num_legacy_records > 0)
+			legacy_clear_recdir();
+		sqlite_first_time_done();
+		first_time = 0;
+	}
+
+reply:
+	/* set up reply: downcall with 0 status */
+	cmsg->cm_status = ret ? -EREMOTEIO : ret;
+
+	bsize = cld_message_size(cmsg);
+	xlog(D_GENERAL, "Doing downcall with status %d", cmsg->cm_status);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize) {
+		xlog(L_ERROR, "%s: problem writing to cld pipe (%zd): %m",
+			 __func__, wsize);
+		ret = cld_pipe_open(clnt);
+		if (ret) {
+			xlog(L_FATAL, "%s: unable to reopen pipe: %d",
+					__func__, ret);
+			exit(ret);
+		}
+	}
+}
+
+static int
+gracestart_callback(struct cld_client *clnt) {
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	cmsg->cm_status = -EINPROGRESS;
+
+	bsize = cld_message_size(cmsg);
+	xlog(D_GENERAL, "Sending client %.*s",
+			cmsg->cm_u.cm_name.cn_len, cmsg->cm_u.cm_name.cn_id);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize)
+		return -EIO;
+	return 0;
+}
+
+static void
+cld_gracestart(struct cld_client *clnt)
+{
+	int ret;
+	ssize_t bsize, wsize;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	xlog(D_GENERAL, "%s: updating grace epochs", __func__);
+
+	ret = sqlite_grace_start();
+	if (ret)
+		goto reply;
+
+	xlog(D_GENERAL, "%s: sending client records to the kernel", __func__);
+
+	ret = sqlite_iterate_recovery(&gracestart_callback, clnt);
+
+reply:
+	/* set up reply: downcall with 0 status */
+	cmsg->cm_status = ret ? -EREMOTEIO : ret;
+
+	bsize = cld_message_size(cmsg);
+	xlog(D_GENERAL, "Doing downcall with status %d", cmsg->cm_status);
+	wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+	if (wsize != bsize) {
+		xlog(L_ERROR, "%s: problem writing to cld pipe (%zd): %m",
+			 __func__, wsize);
+		ret = cld_pipe_open(clnt);
+		if (ret) {
+			xlog(L_FATAL, "%s: unable to reopen pipe: %d",
+					__func__, ret);
+			exit(ret);
+		}
+	}
+}
+
+static void
+cldcb(int UNUSED(fd), short which, void *data)
+{
+	ssize_t len;
+	struct cld_client *clnt = data;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	if (which != EV_READ)
+		goto out;
+
+	len = atomicio(read, clnt->cl_fd, cmsg, sizeof(*cmsg));
+	if (len <= 0) {
+		xlog(L_ERROR, "%s: pipe read failed: %m", __func__);
+		cld_pipe_open(clnt);
+		goto out;
+	}
+
+	if (cmsg->cm_vers > UPCALL_VERSION) {
+		xlog(L_ERROR, "%s: unsupported upcall version: %hu",
+				__func__, cmsg->cm_vers);
+		cld_pipe_open(clnt);
+		goto out;
+	}
+
+	switch(cmsg->cm_cmd) {
+	case Cld_Create:
+		cld_create(clnt);
+		break;
+	case Cld_Remove:
+		cld_remove(clnt);
+		break;
+	case Cld_Check:
+		cld_check(clnt);
+		break;
+	case Cld_GraceDone:
+		cld_gracedone(clnt);
+		break;
+	case Cld_GraceStart:
+		cld_gracestart(clnt);
+		break;
+	case Cld_GetVersion:
+		cld_get_version(clnt);
+		break;
+	default:
+		xlog(L_WARNING, "%s: command %u is not yet implemented",
+				__func__, cmsg->cm_cmd);
+		cld_not_implemented(clnt);
+	}
+out:
+	event_add(clnt->cl_event, NULL);
+}
+
+int
+main(int argc, char **argv)
+{
+	int arg;
+	int rc = 0;
+	bool foreground = false;
+	char *progname;
+	char *storagedir = CLD_DEFAULT_STORAGEDIR;
+	struct cld_client clnt;
+	char *s;
+	first_time = 0;
+	num_cltrack_records = 0;
+	num_legacy_records = 0;
+
+	memset(&clnt, 0, sizeof(clnt));
+
+	progname = strdup(basename(argv[0]));
+	if (!progname) {
+		fprintf(stderr, "%s: unable to allocate memory.\n", argv[0]);
+		return 1;
+	}
+
+	evbase = event_base_new();
+	if (evbase == NULL) {
+		fprintf(stderr, "%s: unable to allocate event base.\n", argv[0]);
+		return 1;
+	}
+	xlog_syslog(0);
+	xlog_stderr(1);
+
+	conf_init_file(NFS_CONFFILE);
+	s = conf_get_str("general", "pipefs-directory");
+	if (s)
+		strlcpy(pipefs_dir, s, sizeof(pipefs_dir));
+	s = conf_get_str("nfsdcld", "storagedir");
+	if (s)
+		storagedir = s;
+	rc = conf_get_num("nfsdcld", "debug", 0);
+	if (rc > 0)
+		xlog_config(D_ALL, 1);
+
+	/* process command-line options */
+	while ((arg = getopt_long(argc, argv, "hdFp:s:", longopts,
+				  NULL)) != EOF) {
+		switch (arg) {
+		case 'd':
+			xlog_config(D_ALL, 1);
+			break;
+		case 'F':
+			foreground = true;
+			break;
+		case 'p':
+			strlcpy(pipefs_dir, optarg, sizeof(pipefs_dir));
+			break;
+		case 's':
+			storagedir = optarg;
+			break;
+		default:
+			usage(progname);
+			free(progname);
+			return 0;
+		}
+	}
+
+	strlcpy(pipepath, pipefs_dir, sizeof(pipepath));
+	strlcat(pipepath, DEFAULT_CLD_PATH, sizeof(pipepath));
+
+	xlog_open(progname);
+	if (!foreground) {
+		xlog_syslog(1);
+		xlog_stderr(0);
+		rc = daemon(0, 0);
+		if (rc) {
+			xlog(L_ERROR, "Unable to daemonize: %m");
+			goto out;
+		}
+	}
+
+	/* drop all capabilities */
+	rc = cld_set_caps();
+	if (rc)
+		goto out;
+
+	/*
+	 * now see if the storagedir is writable by root w/o CAP_DAC_OVERRIDE.
+	 * If it isn't then give the user a warning but proceed as if
+	 * everything is OK. If the DB has already been created, then
+	 * everything might still work. If it doesn't exist at all, then
+	 * assume that the maindb init will be able to create it. Fail on
+	 * anything else.
+	 */
+	if (access(storagedir, W_OK) == -1) {
+		switch (errno) {
+		case EACCES:
+			xlog(L_WARNING, "Storage directory %s is not writable. "
+					"Should be owned by root and writable "
+					"by owner!", storagedir);
+			break;
+		case ENOENT:
+			/* ignore and assume that we can create dir as root */
+			break;
+		default:
+			xlog(L_ERROR, "Unexpected error when checking access "
+				      "on %s: %m", storagedir);
+			rc = -errno;
+			goto out;
+		}
+	}
+
+	if (linux_version_code() < MAKE_VERSION(4, 20, 0))
+		old_kernel = true;
+
+	/* set up storage db */
+	rc = sqlite_prepare_dbh(storagedir);
+	if (rc) {
+		xlog(L_ERROR, "Failed to open main database: %d", rc);
+		goto out;
+	}
+
+	/* set up event handler */
+	rc = cld_pipe_init(&clnt);
+	if (rc)
+		goto out;
+
+	signal(SIGINT, sig_die);
+	signal(SIGTERM, sig_die);
+
+	xlog(D_GENERAL, "%s: Starting event dispatch handler.", __func__);
+	rc = event_base_dispatch(evbase);
+	if (rc < 0)
+		xlog(L_ERROR, "%s: event_dispatch failed: %m", __func__);
+
+out:
+	if (clnt.cl_event)
+		event_free(clnt.cl_event);
+	if (clnt.cl_fd != -1)
+		close(clnt.cl_fd);
+	if (pipedir_event)
+		event_free(pipedir_event);
+	if (inotify_fd != -1)
+		close(inotify_fd);
+
+	event_base_free(evbase);
+	sqlite_shutdown();
+
+	free(progname);
+	return rc;
+}
diff --git a/utils/nfsdcld/nfsdcld.man b/utils/nfsdcld/nfsdcld.man
new file mode 100644
index 0000000..861f1c4
--- /dev/null
+++ b/utils/nfsdcld/nfsdcld.man
@@ -0,0 +1,221 @@
+.\" Automatically generated by Pod::Man 2.22 (Pod::Simple 3.13)
+.\"
+.\" Standard preamble:
+.\" ========================================================================
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Vb \" Begin verbatim text
+.ft CW
+.nf
+.ne \\$1
+..
+.de Ve \" End verbatim text
+.ft R
+.fi
+..
+.\" Set up some character translations and predefined strings.  \*(-- will
+.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
+.\" double quote, and \*(R" will give a right double quote.  \*(C+ will
+.\" give a nicer C++.  Capital omega is used to do unbreakable dashes and
+.\" therefore won't be available.  \*(C` and \*(C' expand to `' in nroff,
+.\" nothing in troff, for use with C<>.
+.tr \(*W-
+.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
+.ie n \{\
+.    ds -- \(*W-
+.    ds PI pi
+.    if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
+.    if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\"  diablo 12 pitch
+.    ds L" ""
+.    ds R" ""
+.    ds C` ""
+.    ds C' ""
+'br\}
+.el\{\
+.    ds -- \|\(em\|
+.    ds PI \(*p
+.    ds L" ``
+.    ds R" ''
+'br\}
+.\"
+.\" Escape single quotes in literal strings from groff's Unicode transform.
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\"
+.\" If the F register is turned on, we'll generate index entries on stderr for
+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
+.\" entries marked with X<> in POD.  Of course, you'll have to process the
+.\" output yourself in some meaningful fashion.
+.ie \nF \{\
+.    de IX
+.    tm Index:\\$1\t\\n%\t"\\$2"
+..
+.    nr % 0
+.    rr F
+.\}
+.el \{\
+.    de IX
+..
+.\}
+.\"
+.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
+.\" Fear.  Run.  Save yourself.  No user-serviceable parts.
+.    \" fudge factors for nroff and troff
+.if n \{\
+.    ds #H 0
+.    ds #V .8m
+.    ds #F .3m
+.    ds #[ \f1
+.    ds #] \fP
+.\}
+.if t \{\
+.    ds #H ((1u-(\\\\n(.fu%2u))*.13m)
+.    ds #V .6m
+.    ds #F 0
+.    ds #[ \&
+.    ds #] \&
+.\}
+.    \" simple accents for nroff and troff
+.if n \{\
+.    ds ' \&
+.    ds ` \&
+.    ds ^ \&
+.    ds , \&
+.    ds ~ ~
+.    ds /
+.\}
+.if t \{\
+.    ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u"
+.    ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u'
+.    ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u'
+.    ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u'
+.    ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u'
+.    ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u'
+.\}
+.    \" troff and (daisy-wheel) nroff accents
+.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V'
+.ds 8 \h'\*(#H'\(*b\h'-\*(#H'
+.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#]
+.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H'
+.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u'
+.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#]
+.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#]
+.ds ae a\h'-(\w'a'u*4/10)'e
+.ds Ae A\h'-(\w'A'u*4/10)'E
+.    \" corrections for vroff
+.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u'
+.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u'
+.    \" for low resolution devices (crt and lpr)
+.if \n(.H>23 .if \n(.V>19 \
+\{\
+.    ds : e
+.    ds 8 ss
+.    ds o a
+.    ds d- d\h'-1'\(ga
+.    ds D- D\h'-1'\(hy
+.    ds th \o'bp'
+.    ds Th \o'LP'
+.    ds ae ae
+.    ds Ae AE
+.\}
+.rm #[ #] #H #V #F C
+.\" ========================================================================
+.\"
+.IX Title "NFSDCLD 8"
+.TH NFSDCLD 8 "2011-12-21" "" ""
+.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH "NAME"
+nfsdcld \- NFSv4 Client Tracking Daemon
+.SH "SYNOPSIS"
+.IX Header "SYNOPSIS"
+nfsdcld [\-d] [\-F] [\-p path] [\-s stable storage dir]
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+nfsdcld is the NFSv4 client tracking daemon. It is not necessary to run
+this daemon on machines that are not acting as NFSv4 servers.
+.PP
+When a network partition is combined with a server reboot, there are
+edge conditions that can cause the server to grant lock reclaims when
+other clients have taken conflicting locks in the interim. A more detailed
+explanation of this issue is described in \s-1RFC\s0 3530, section 8.6.3.
+.PP
+In order to prevent these problems, the server must track a small amount
+of per-client information on stable storage. This daemon provides the
+userspace piece of that functionality.
+.SH "OPTIONS"
+.IX Header "OPTIONS"
+.IP "\fB\-d\fR, \fB\-\-debug\fR" 4
+.IX Item "-d, --debug"
+Enable debug level logging.
+.IP "\fB\-F\fR, \fB\-\-foreground\fR" 4
+.IX Item "-F, --foreground"
+Runs the daemon in the foreground and prints all output to stderr
+.IP "\fB\-p\fR \fIpath\fR, \fB\-\-pipefsdir\fR=\fIpath\fR" 4
+.IX Item "-p path, --pipefsdir=path"
+Location of the rpc_pipefs filesystem. The default value is
+\&\fI/var/lib/nfs/rpc_pipefs\fR.
+.IP "\fB\-s\fR \fIstorage_dir\fR, \fB\-\-storagedir\fR=\fIstorage_dir\fR" 4
+.IX Item "-s storagedir, --storagedir=storage_dir"
+Directory where stable storage information should be kept. The default
+value is \fI/var/lib/nfs/nfsdcld\fR.
+.SH "CONFIGURATION FILE"
+.IX Header "CONFIGURATION FILE"
+The following values are recognized in the \fB[nfsdcld]\fR section
+of the \fI/etc/nfs.conf\fR configuration file:
+.IP "\fBstoragedir\fR" 4
+.IX Item "storagedir"
+Equivalent to \fB\-s\fR/\fB\-\-storagedir\fR.
+.IP "\fBdebug\fR" 4
+.IX Item "debug"
+Setting "debug = 1" is equivalent to \fB\-d\fR/\fB\-\-debug\fR.
+.LP
+In addition, the following value is recognized from the \fB[general]\fR section:
+.IP "\fBpipefs\-directory\fR" 4
+.IX Item "pipefs-directory"
+Equivalent to \fB\-p\fR/\fB\-\-pipefsdir\fR.
+.SH "NOTES"
+.IX Header "NOTES"
+The Linux kernel NFSv4 server has historically tracked this information
+on stable storage by manipulating information on the filesystem
+directly, in the directory to which \fI/proc/fs/nfsd/nfsv4recoverydir\fR
+points.
+.PP
+This changed with the original introduction of \fBnfsdcld\fR upcall in kernel version 3.4,
+which was later deprecated in favor of the \fBnfsdcltrack\fR(8) usermodehelper
+program, support for which was added in kernel version 3.8.  However, since the
+usermodehelper upcall does not work in containers, support for a new version of
+the \fBnfsdcld\fR upcall was added in kernel version 5.2.
+.PP
+This daemon requires a kernel that supports the \fBnfsdcld\fR upcall. On older kernels, if
+the legacy client name tracking code was in use, then the kernel would not create the
+pipe that \fBnfsdcld\fR uses to talk to the kernel.  On newer kernels, nfsd attempts to
+initialize client tracking in the following order:  First, the \fBnfsdcld\fR upcall.  Second,
+the \fBnfsdcltrack\fR usermodehelper upcall.  Finally, the legacy client tracking.
+.PP
+This daemon should be run as root, as the pipe that it uses to communicate
+with the kernel is only accessable by root. The daemon however does drop all
+superuser capabilities after starting. Because of this, the \fIstoragedir\fR
+should be owned by root, and be readable and writable by owner.
+.PP
+The daemon now supports different upcall versions to allow the kernel to pass additional
+data to be stored in the on-disk database.  The kernel will query the supported upcall
+version from \fBnfsdcld\fR during client tracking initialization.  A restart of \fBnfsd\fR is
+not necessary after upgrading \fBnfsdcld\fR, however \fBnfsd\fR will not use a later upcall
+version until restart.  A restart of \fBnfsd is necessary\fR after downgrading \fBnfsdcld\fR,
+to ensure that \fBnfsd\fR does not use an upcall version that \fBnfsdcld\fR does not support.
+Additionally, a downgrade of \fBnfsdcld\fR requires the schema of the on-disk database to
+be downgraded as well.  That can be accomplished using the \fBnfsdclddb\fR(8) utility.
+.SH FILES
+.TP
+.B /var/lib/nfs/nfsdcld/main.sqlite
+.SH SEE ALSO
+.BR nfsdcltrack "(8), " nfsdclddb (8)
+.SH "AUTHORS"
+.IX Header "AUTHORS"
+The nfsdcld daemon was developed by Jeff Layton <jlayton@redhat.com>
+with modifications from Scott Mayhew <smayhew@redhat.com>.
diff --git a/utils/nfsdcld/sqlite.c b/utils/nfsdcld/sqlite.c
new file mode 100644
index 0000000..03016fb
--- /dev/null
+++ b/utils/nfsdcld/sqlite.c
@@ -0,0 +1,1427 @@
+/*
+ * Copyright (C) 2011  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * Explanation:
+ *
+ * This file contains the code to manage the sqlite backend database for the
+ * nfsdcld client tracking daemon.
+ *
+ * The main database is called main.sqlite and contains the following tables:
+ *
+ * parameters: simple key/value pairs for storing database info
+ *
+ * grace: a "current" column containing an INTEGER representing the current
+ *        epoch (where should new values be stored) and a "recovery" column
+ *        containing an INTEGER representing the recovery epoch (from what
+ *        epoch are we allowed to recover).  A recovery epoch of 0 means
+ *        normal operation (grace period not in force).  Note: sqlite stores
+ *        integers as signed values, so these must be cast to a uint64_t when
+ *        retrieving them from the database and back to an int64_t when storing
+ *        them in the database.
+ *
+ * rec-CCCCCCCCCCCCCCCC (where C is the hex representation of the epoch value):
+ *        an "id" column containing a BLOB with the long-form clientid
+ *        as sent by the client, and a "princhash" column containing a BLOB
+ *        with the sha256 hash of the kerberos principal (if available).
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <dirent.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <limits.h>
+#include <sqlite3.h>
+#include <linux/limits.h>
+#include <inttypes.h>
+
+#include "xlog.h"
+#include "sqlite.h"
+#include "cld.h"
+#include "cld-internal.h"
+#include "conffile.h"
+#include "legacy.h"
+#include "nfslib.h"
+
+#define CLD_SQLITE_LATEST_SCHEMA_VERSION 4
+#define CLTRACK_DEFAULT_STORAGEDIR NFS_STATEDIR "/nfsdcltrack"
+
+/* in milliseconds */
+#define CLD_SQLITE_BUSY_TIMEOUT 10000
+
+/* private data structures */
+
+/* global variables */
+static char *cltrack_storagedir = CLTRACK_DEFAULT_STORAGEDIR;
+
+/* reusable pathname and sql command buffer */
+static char buf[PATH_MAX];
+
+/* global database handle */
+static sqlite3 *dbh;
+
+/* forward declarations */
+
+/* make a directory, ignoring EEXIST errors unless it's not a directory */
+static int
+mkdir_if_not_exist(const char *dirname)
+{
+	int ret;
+	struct stat statbuf;
+
+	ret = mkdir(dirname, S_IRWXU);
+	if (ret && errno != EEXIST)
+		return -errno;
+
+	ret = stat(dirname, &statbuf);
+	if (ret)
+		return -errno;
+
+	if (!S_ISDIR(statbuf.st_mode))
+		ret = -ENOTDIR;
+
+	return ret;
+}
+
+static int
+sqlite_query_schema_version(void)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	/* prepare select query */
+	ret = sqlite3_prepare_v2(dbh,
+		"SELECT value FROM parameters WHERE key == \"version\";",
+		 -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(D_GENERAL, "Unable to prepare select statement: %s",
+			sqlite3_errmsg(dbh));
+		ret = 0;
+		goto out;
+	}
+
+	/* query schema version */
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_ROW) {
+		xlog(D_GENERAL, "Select statement execution failed: %s",
+				sqlite3_errmsg(dbh));
+		ret = 0;
+		goto out;
+	}
+
+	ret = sqlite3_column_int(stmt, 0);
+out:
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+static int
+sqlite_query_first_time(int *first_time)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	/* prepare select query */
+	ret = sqlite3_prepare_v2(dbh,
+		"SELECT value FROM parameters WHERE key == \"first_time\";",
+		 -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(D_GENERAL, "Unable to prepare select statement: %s",
+			sqlite3_errmsg(dbh));
+		goto out;
+	}
+
+	/* query first_time */
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_ROW) {
+		xlog(D_GENERAL, "Select statement execution failed: %s",
+				sqlite3_errmsg(dbh));
+		goto out;
+	}
+
+	*first_time = sqlite3_column_int(stmt, 0);
+	ret = 0;
+out:
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+static int
+sqlite_add_princ_col_cb(void *UNUSED(arg), int ncols, char **cols,
+			    char **UNUSED(colnames))
+{
+	int ret;
+	char *err;
+
+	if (ncols > 1)
+		return -EINVAL;
+	ret = snprintf(buf, sizeof(buf), "ALTER TABLE \"%s\" "
+			"ADD COLUMN princhash BLOB;", cols[0]);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		return -EINVAL;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		return -EINVAL;
+	}
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to add princhash column to table %s: %s",
+		     cols[0], err);
+		goto out;
+	}
+	xlog(D_GENERAL, "Added princhash column to table %s", cols[0]);
+out:
+	sqlite3_free(err);
+	return ret;
+}
+
+static int
+sqlite_maindb_update_v3_to_v4(void)
+{
+	int ret;
+	char *err;
+
+	ret = sqlite3_exec(dbh, "SELECT name FROM sqlite_master "
+			   "WHERE type=\"table\" AND name LIKE \"%rec-%\";",
+			   sqlite_add_princ_col_cb, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: Failed to update tables!: %s", __func__, err);
+	}
+	sqlite3_free(err);
+	return ret;
+}
+
+static int
+sqlite_maindb_update_v1v2_to_v4(void)
+{
+	int ret;
+	char *err;
+
+	/* create grace table */
+	ret = sqlite3_exec(dbh, "CREATE TABLE grace "
+				"(current INTEGER , recovery INTEGER);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to create grace table: %s", err);
+		goto out;
+	}
+
+	/* insert initial epochs into grace table */
+	ret = sqlite3_exec(dbh, "INSERT OR FAIL INTO grace "
+				"values (1, 0);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to set initial epochs: %s", err);
+		goto out;
+	}
+
+	/* create recovery table for current epoch */
+	ret = sqlite3_exec(dbh, "CREATE TABLE \"rec-0000000000000001\" "
+				"(id BLOB PRIMARY KEY, princhash BLOB);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to create recovery table "
+				"for current epoch: %s", err);
+		goto out;
+	}
+
+	/* copy records from old clients table */
+	ret = sqlite3_exec(dbh, "INSERT INTO \"rec-0000000000000001\" (id) "
+				"SELECT id FROM clients;",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to copy client records: %s", err);
+		goto out;
+	}
+
+	/* drop the old clients table */
+	ret = sqlite3_exec(dbh, "DROP TABLE clients;",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to drop old clients table: %s", err);
+	}
+out:
+	sqlite3_free(err);
+	return ret;
+}
+
+static int
+sqlite_maindb_update_schema(int oldversion)
+{
+	int ret, ret2;
+	char *err;
+
+	/* begin transaction */
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		goto rollback;
+	}
+
+	/*
+	 * Check schema version again. This time, under an exclusive
+	 * transaction to guard against racing DB setup attempts
+	 */
+	ret = sqlite_query_schema_version();
+	if (ret != oldversion) {
+		if (ret == CLD_SQLITE_LATEST_SCHEMA_VERSION)
+			/* Someone else raced in and set it up */
+			ret = 0;
+		else
+			/* Something went wrong -- fail! */
+			ret = -EINVAL;
+		goto rollback;
+	}
+
+	/* Still at old version -- do conversion */
+
+	switch (oldversion) {
+	case 3:
+	case 2:
+		ret = sqlite_maindb_update_v3_to_v4();
+		break;
+	case 1:
+		ret = sqlite_maindb_update_v1v2_to_v4();
+		break;
+	default:
+		ret = -EINVAL;
+	}
+	if (ret != SQLITE_OK)
+		goto rollback;
+
+	ret = snprintf(buf, sizeof(buf), "UPDATE parameters SET value = %d "
+			"WHERE key = \"version\";",
+			CLD_SQLITE_LATEST_SCHEMA_VERSION);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		goto rollback;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to update schema version: %s", err);
+		goto rollback;
+	}
+
+	ret = sqlite_query_first_time(&first_time);
+	if (ret != SQLITE_OK) {
+		/* insert first_time into parameters table */
+		ret = sqlite3_exec(dbh, "INSERT OR FAIL INTO parameters "
+					"values (\"first_time\", \"1\");",
+					NULL, NULL, &err);
+		if (ret != SQLITE_OK) {
+			xlog(L_ERROR, "Unable to insert into parameter table: %s", err);
+			goto rollback;
+		}
+	}
+
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+out:
+	sqlite3_free(err);
+	return ret;
+rollback:
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto out;
+}
+
+/*
+ * Start an exclusive transaction and recheck the DB schema version. If it's
+ * still zero (indicating a new database) then set it up. If that all works,
+ * then insert schema version into the parameters table and commit the
+ * transaction. On any error, rollback the transaction.
+ */
+static int
+sqlite_maindb_init_v4(void)
+{
+	int ret, ret2;
+	char *err = NULL;
+
+	/* Start a transaction */
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		goto out;
+	}
+
+	/*
+	 * Check schema version again. This time, under an exclusive
+	 * transaction to guard against racing DB setup attempts
+	 */
+	ret = sqlite_query_schema_version();
+	switch (ret) {
+	case 0:
+		/* Query failed again -- set up DB */
+		break;
+	case CLD_SQLITE_LATEST_SCHEMA_VERSION:
+		/* Someone else raced in and set it up */
+		ret = 0;
+		goto rollback;
+	default:
+		/* Something went wrong -- fail! */
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, "CREATE TABLE parameters "
+				"(key TEXT PRIMARY KEY, value TEXT);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to create parameter table: %s", err);
+		goto rollback;
+	}
+
+	/* create grace table */
+	ret = sqlite3_exec(dbh, "CREATE TABLE grace "
+				"(current INTEGER , recovery INTEGER);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to create grace table: %s", err);
+		goto rollback;
+	}
+
+	/* insert initial epochs into grace table */
+	ret = sqlite3_exec(dbh, "INSERT OR FAIL INTO grace "
+				"values (1, 0);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to set initial epochs: %s", err);
+		goto rollback;
+	}
+
+	/* create recovery table for current epoch */
+	ret = sqlite3_exec(dbh, "CREATE TABLE \"rec-0000000000000001\" "
+				"(id BLOB PRIMARY KEY, princhash BLOB);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to create recovery table "
+				"for current epoch: %s", err);
+		goto rollback;
+	}
+
+	/* insert version into parameters table */
+	ret = snprintf(buf, sizeof(buf), "INSERT OR FAIL INTO parameters "
+			"values (\"version\", \"%d\");",
+			CLD_SQLITE_LATEST_SCHEMA_VERSION);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		goto rollback;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to insert into parameter table: %s", err);
+		goto rollback;
+	}
+
+	/* insert first_time into parameters table */
+	ret = sqlite3_exec(dbh, "INSERT OR FAIL INTO parameters "
+				"values (\"first_time\", \"1\");",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to insert into parameter table: %s", err);
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+out:
+	sqlite3_free(err);
+	return ret;
+
+rollback:
+	/* Attempt to rollback the transaction */
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto out;
+}
+
+static int
+sqlite_startup_query_grace(void)
+{
+	int ret;
+	uint64_t tcur;
+	uint64_t trec;
+	sqlite3_stmt *stmt = NULL;
+
+	/* prepare select query */
+	ret = sqlite3_prepare_v2(dbh, "SELECT * FROM grace;", -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(D_GENERAL, "Unable to prepare select statement: %s",
+			sqlite3_errmsg(dbh));
+		goto out;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_ROW) {
+		xlog(D_GENERAL, "Select statement execution failed: %s",
+				sqlite3_errmsg(dbh));
+		goto out;
+	}
+
+	tcur = (uint64_t)sqlite3_column_int64(stmt, 0);
+	trec = (uint64_t)sqlite3_column_int64(stmt, 1);
+
+	current_epoch = tcur;
+	recovery_epoch = trec;
+	ret = 0;
+	xlog(D_GENERAL, "%s: current_epoch=%"PRIu64" recovery_epoch=%"PRIu64,
+		__func__, current_epoch, recovery_epoch);
+out:
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+/*
+ * Helper for renaming a recovery table to fix the padding.
+ */
+static int
+sqlite_fix_table_name(const char *name)
+{
+	int ret;
+	uint64_t val;
+	char *err;
+
+	if (sscanf(name, "rec-%" PRIx64, &val) != 1)
+		return -EINVAL;
+	ret = snprintf(buf, sizeof(buf), "ALTER TABLE \"%s\" "
+			"RENAME TO \"rec-%016" PRIx64 "\";",
+			name, val);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		return -EINVAL;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		return -EINVAL;
+	}
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to fix table for epoch %"PRIu64": %s",
+		     val, err);
+		goto out;
+	}
+	xlog(D_GENERAL, "Renamed table %s to rec-%016" PRIx64, name, val);
+out:
+	sqlite3_free(err);
+	return ret;
+}
+
+/*
+ * Callback for the sqlite_exec statement in sqlite_check_table_names.
+ * If the epoch encoded in the table name matches either the current
+ * epoch or the recovery epoch, then try to fix the padding.  Otherwise,
+ * we bail.
+ */
+static int
+sqlite_check_table_names_cb(void *UNUSED(arg), int ncols, char **cols,
+			    char **UNUSED(colnames))
+{
+	int ret = SQLITE_OK;
+	uint64_t val;
+
+	if (ncols > 1)
+		return -EINVAL;
+	if (sscanf(cols[0], "rec-%" PRIx64, &val) != 1)
+		return -EINVAL;
+	if (val == current_epoch || val == recovery_epoch) {
+		xlog(D_GENERAL, "found invalid table name %s for %s epoch",
+		     cols[0], val == current_epoch ? "current" : "recovery");
+		ret = sqlite_fix_table_name(cols[0]);
+	} else {
+		xlog(L_ERROR, "found invalid table name %s for unknown epoch %"
+		     PRId64, cols[0], val);
+		return -EINVAL;
+	}
+	return ret;
+}
+
+/*
+ * Look for recovery table names where the epoch isn't zero-padded
+ */
+static int
+sqlite_check_table_names(void)
+{
+	int ret;
+	char *err;
+
+	ret = sqlite3_exec(dbh, "SELECT name FROM sqlite_master "
+			   "WHERE type=\"table\" AND name LIKE \"%rec-%\" "
+			   "AND length(name) < 20;",
+			   sqlite_check_table_names_cb, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Table names check failed: %s", err);
+	}
+	sqlite3_free(err);
+	return ret;
+}
+
+/*
+ * Simple db health check.  For now we're just making sure that the recovery
+ * table names are of the format "rec-CCCCCCCCCCCCCCCC" (where C is the hex
+ * representation of the epoch value) and that epoch value matches either
+ * the current epoch or the recovery epoch.
+ */
+static int
+sqlite_check_db_health(void)
+{
+	int ret, ret2;
+	char *err;
+
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		goto rollback;
+	}
+
+	ret = sqlite_check_table_names();
+	if (ret != SQLITE_OK)
+		goto rollback;
+
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+
+cleanup:
+	sqlite3_free(err);
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	return ret;
+rollback:
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto cleanup;
+}
+
+static int
+sqlite_attach_db(const char *path)
+{
+	int ret;
+	char dbpath[PATH_MAX];
+	struct stat stb;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = snprintf(dbpath, PATH_MAX - 1, "%s/main.sqlite", path);
+	if (ret < 0)
+		return ret;
+
+	dbpath[PATH_MAX - 1] = '\0';
+	ret = stat(dbpath, &stb);
+	if (ret < 0)
+		return ret;
+
+	xlog(D_GENERAL, "attaching %s", dbpath);
+	ret = sqlite3_prepare_v2(dbh, "ATTACH DATABASE ? AS attached;",
+			-1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: unable to prepare attach statement: %s",
+				__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_bind_text(stmt, 1, dbpath, strlen(dbpath), SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind text failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from attach: %s",
+				__func__, sqlite3_errmsg(dbh));
+
+	sqlite3_finalize(stmt);
+	stmt = NULL;
+	return ret;
+}
+
+static int
+sqlite_detach_db(void)
+{
+	int ret;
+	char *err = NULL;
+
+	xlog(D_GENERAL, "detaching database");
+	ret = sqlite3_exec(dbh, "DETACH DATABASE attached;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to detach attached db: %s", err);
+	}
+
+	sqlite3_free(err);
+	return ret;
+}
+
+/*
+ * Copies client records from the nfsdcltrack database as part of a one-time
+ * "upgrade".
+ *
+ * Returns a non-zero sqlite error code, or SQLITE_OK (aka 0).
+ * Returns the number of records copied via "num_rec".
+ */
+static int
+sqlite_copy_cltrack_records(int *num_rec)
+{
+	int ret, ret2;
+	char *s;
+	char *err = NULL;
+	sqlite3_stmt *stmt = NULL;
+
+	s = conf_get_str("nfsdcltrack", "storagedir");
+	if (s)
+		cltrack_storagedir = s;
+	ret = sqlite_attach_db(cltrack_storagedir);
+	if (ret)
+		goto out;
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		goto rollback;
+	}
+	ret = snprintf(buf, sizeof(buf), "DELETE FROM \"rec-%016" PRIx64 "\";",
+			current_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		goto rollback;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		ret = -EINVAL;
+		goto rollback;
+	}
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to clear records from current epoch: %s", err);
+		goto rollback;
+	}
+	ret = snprintf(buf, sizeof(buf), "INSERT INTO \"rec-%016" PRIx64 "\" (id) "
+				"SELECT id FROM attached.clients;",
+				current_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		goto rollback;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		ret = -EINVAL;
+		goto rollback;
+	}
+	ret = sqlite3_prepare_v2(dbh, buf, -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: insert statement prepare failed: %s",
+			__func__, sqlite3_errmsg(dbh));
+		goto rollback;
+	}
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_DONE) {
+		xlog(L_ERROR, "%s: unexpected return code from insert: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto rollback;
+	}
+	*num_rec = sqlite3_changes(dbh);
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+cleanup:
+	sqlite3_finalize(stmt);
+	sqlite3_free(err);
+	sqlite_detach_db();
+out:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	return ret;
+rollback:
+	*num_rec = 0;
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto cleanup;
+}
+
+/* Open the database and set up the database handle for it */
+int
+sqlite_prepare_dbh(const char *topdir)
+{
+	int ret;
+
+	/* Do nothing if the database handle is already set up */
+	if (dbh)
+		return 0;
+
+	ret = snprintf(buf, PATH_MAX - 1, "%s/main.sqlite", topdir);
+	if (ret < 0)
+		return ret;
+
+	buf[PATH_MAX - 1] = '\0';
+
+	/* open a new DB handle */
+	ret = sqlite3_open(buf, &dbh);
+	if (ret != SQLITE_OK) {
+		/* try to create the dir */
+		ret = mkdir_if_not_exist(topdir);
+		if (ret)
+			goto out_close;
+
+		/* retry open */
+		ret = sqlite3_open(buf, &dbh);
+		if (ret != SQLITE_OK)
+			goto out_close;
+	}
+
+	/* set busy timeout */
+	ret = sqlite3_busy_timeout(dbh, CLD_SQLITE_BUSY_TIMEOUT);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to set sqlite busy timeout: %s",
+				sqlite3_errmsg(dbh));
+		goto out_close;
+	}
+
+	ret = sqlite_query_schema_version();
+	switch (ret) {
+	case CLD_SQLITE_LATEST_SCHEMA_VERSION:
+		/* DB is already set up. Do nothing */
+		break;
+	case 3:
+		/* Old DB -- update to new schema */
+		ret = sqlite_maindb_update_schema(3);
+		if (ret)
+			goto out_close;
+		break;
+	case 2:
+		/* Old DB -- update to new schema */
+		ret = sqlite_maindb_update_schema(2);
+		if (ret)
+			goto out_close;
+		break;
+
+	case 1:
+		/* Old DB -- update to new schema */
+		ret = sqlite_maindb_update_schema(1);
+		if (ret)
+			goto out_close;
+		break;
+	case 0:
+		/* Query failed -- try to set up new DB */
+		ret = sqlite_maindb_init_v4();
+		if (ret)
+			goto out_close;
+		break;
+	default:
+		/* Unknown DB version -- downgrade? Fail */
+		xlog(L_ERROR, "Unsupported database schema version! "
+			"Expected %d, got %d.",
+			CLD_SQLITE_LATEST_SCHEMA_VERSION, ret);
+		ret = -EINVAL;
+		goto out_close;
+	}
+
+	ret = sqlite_startup_query_grace();
+	if (ret)
+		goto out_close;
+
+	ret = sqlite_query_first_time(&first_time);
+	if (ret)
+		goto out_close;
+
+	ret = sqlite_check_db_health();
+	if (ret) {
+		xlog(L_ERROR, "Database health check failed! "
+			"Database must be fixed manually.");
+		goto out_close;
+	}
+
+	/* one-time "upgrade" from older client tracking methods */
+	if (first_time) {
+		sqlite_copy_cltrack_records(&num_cltrack_records);
+		xlog(D_GENERAL, "%s: num_cltrack_records = %d\n",
+			__func__, num_cltrack_records);
+		legacy_load_clients_from_recdir(&num_legacy_records);
+		xlog(D_GENERAL, "%s: num_legacy_records = %d\n",
+			__func__, num_legacy_records);
+		if (num_cltrack_records > 0 && num_legacy_records > 0)
+			xlog(L_WARNING, "%s: first-time upgrade detected "
+				"both cltrack and legacy records!\n", __func__);
+	}
+
+	return ret;
+out_close:
+	sqlite3_close(dbh);
+	dbh = NULL;
+	return ret;
+}
+
+/*
+ * Create a client record
+ *
+ * Returns a non-zero sqlite error code, or SQLITE_OK (aka 0)
+ */
+int
+sqlite_insert_client(const unsigned char *clname, const size_t namelen)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = snprintf(buf, sizeof(buf), "INSERT OR REPLACE INTO \"rec-%016" PRIx64 "\" (id) "
+				"VALUES (?);", current_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		return ret;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		return -EINVAL;
+	}
+
+	ret = sqlite3_prepare_v2(dbh, buf, -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: insert statement prepare failed: %s",
+			__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s", __func__,
+				sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from insert: %s",
+				__func__, sqlite3_errmsg(dbh));
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+#if UPCALL_VERSION >= 2
+/*
+ * Create a client record including hash the kerberos principal
+ *
+ * Returns a non-zero sqlite error code, or SQLITE_OK (aka 0)
+ */
+int
+sqlite_insert_client_and_princhash(const unsigned char *clname, const size_t namelen,
+		const unsigned char *clprinchash, const size_t princhashlen)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	if (princhashlen > 0)
+		ret = snprintf(buf, sizeof(buf), "INSERT OR REPLACE INTO \"rec-%016" PRIx64 "\" "
+				"VALUES (?, ?);", current_epoch);
+	else
+		ret = snprintf(buf, sizeof(buf), "INSERT OR REPLACE INTO \"rec-%016" PRIx64 "\" (id) "
+				"VALUES (?);", current_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		return ret;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		return -EINVAL;
+	}
+
+	ret = sqlite3_prepare_v2(dbh, buf, -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: insert statement prepare failed: %s",
+			__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s", __func__,
+				sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	if (princhashlen > 0) {
+		ret = sqlite3_bind_blob(stmt, 2, (const void *)clprinchash, princhashlen,
+					SQLITE_STATIC);
+		if (ret != SQLITE_OK) {
+			xlog(L_ERROR, "%s: bind blob failed: %s", __func__,
+					sqlite3_errmsg(dbh));
+			goto out_err;
+		}
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from insert: %s",
+				__func__, sqlite3_errmsg(dbh));
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}
+#else
+int
+sqlite_insert_client_and_princhash(const unsigned char *clname, const size_t namelen,
+		const unsigned char *clprinchash, const size_t princhashlen)
+{
+	return -EINVAL;
+}
+#endif
+
+/* Remove a client record */
+int
+sqlite_remove_client(const unsigned char *clname, const size_t namelen)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = snprintf(buf, sizeof(buf), "DELETE FROM \"rec-%016" PRIx64 "\" "
+				"WHERE id==?;", current_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		return ret;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		return -EINVAL;
+	}
+
+	ret = sqlite3_prepare_v2(dbh, buf, -1, &stmt, NULL);
+
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: statement prepare failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s", __func__,
+				sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from delete: %d",
+				__func__, ret);
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+/*
+ * Is the given clname in the clients table? If so, then update its timestamp
+ * and return success. If the record isn't present, or the update fails, then
+ * return an error.
+ */
+int
+sqlite_check_client(const unsigned char *clname, const size_t namelen)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = snprintf(buf, sizeof(buf), "SELECT count(*) FROM  \"rec-%016" PRIx64 "\" "
+				"WHERE id==?;", recovery_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		return ret;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		return -EINVAL;
+	}
+
+	ret = sqlite3_prepare_v2(dbh, buf, -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: select statement prepare failed: %s",
+			__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_ROW) {
+		xlog(L_ERROR, "%s: unexpected return code from select: %d",
+				__func__, ret);
+		goto out_err;
+	}
+
+	ret = sqlite3_column_int(stmt, 0);
+	xlog(D_GENERAL, "%s: select returned %d rows", __func__, ret);
+	if (ret != 1) {
+		ret = -EACCES;
+		goto out_err;
+	}
+
+	sqlite3_finalize(stmt);
+
+	/* Now insert the client into the table for the current epoch */
+	return sqlite_insert_client(clname, namelen);
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+int
+sqlite_grace_start(void)
+{
+	int ret, ret2;
+	char *err;
+	uint64_t tcur = current_epoch;
+	uint64_t trec = recovery_epoch;
+
+	/* begin transaction */
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		goto rollback;
+	}
+
+	if (trec == 0) {
+		/*
+		 * A normal grace start - update the epoch values in the grace
+		 * table and create a new table for the current reboot epoch.
+		 */
+		trec = tcur;
+		tcur++;
+
+		ret = snprintf(buf, sizeof(buf), "UPDATE grace "
+				"SET current = %" PRId64 ", recovery = %" PRId64 ";",
+				(int64_t)tcur, (int64_t)trec);
+		if (ret < 0) {
+			xlog(L_ERROR, "sprintf failed!");
+			goto rollback;
+		} else if ((size_t)ret >= sizeof(buf)) {
+			xlog(L_ERROR, "sprintf output too long! (%d chars)",
+				ret);
+			ret = -EINVAL;
+			goto rollback;
+		}
+
+		ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+		if (ret != SQLITE_OK) {
+			xlog(L_ERROR, "Unable to update epochs: %s", err);
+			goto rollback;
+		}
+
+		ret = snprintf(buf, sizeof(buf), "CREATE TABLE \"rec-%016" PRIx64 "\" "
+				"(id BLOB PRIMARY KEY, princhash blob);",
+				tcur);
+		if (ret < 0) {
+			xlog(L_ERROR, "sprintf failed!");
+			goto rollback;
+		} else if ((size_t)ret >= sizeof(buf)) {
+			xlog(L_ERROR, "sprintf output too long! (%d chars)",
+				ret);
+			ret = -EINVAL;
+			goto rollback;
+		}
+
+		ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+		if (ret != SQLITE_OK) {
+			xlog(L_ERROR, "Unable to create table for current epoch: %s",
+				err);
+			goto rollback;
+		}
+	} else {
+		/* Server restarted while in grace - don't update the epoch
+		 * values in the grace table, just clear out the records for
+		 * the current reboot epoch.
+		 */
+		ret = snprintf(buf, sizeof(buf), "DELETE FROM \"rec-%016" PRIx64 "\";",
+				tcur);
+		if (ret < 0) {
+			xlog(L_ERROR, "sprintf failed!");
+			goto rollback;
+		} else if ((size_t)ret >= sizeof(buf)) {
+			xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+			ret = -EINVAL;
+			goto rollback;
+		}
+
+		ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+		if (ret != SQLITE_OK) {
+			xlog(L_ERROR, "Unable to clear table for current epoch: %s",
+				err);
+			goto rollback;
+		}
+	}
+
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+
+	current_epoch = tcur;
+	recovery_epoch = trec;
+	xlog(D_GENERAL, "%s: current_epoch=%"PRIu64" recovery_epoch=%"PRIu64,
+		__func__, current_epoch, recovery_epoch);
+
+out:
+	sqlite3_free(err);
+	return ret;
+rollback:
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto out;
+}
+
+int
+sqlite_grace_done(void)
+{
+	int ret, ret2;
+	char *err;
+
+	/* begin transaction */
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, "UPDATE grace SET recovery = \"0\";",
+			NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to clear recovery epoch: %s", err);
+		goto rollback;
+	}
+
+	ret = snprintf(buf, sizeof(buf), "DROP TABLE \"rec-%016" PRIx64 "\";",
+		recovery_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		goto rollback;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to drop table for recovery epoch: %s",
+			err);
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+
+	recovery_epoch = 0;
+	xlog(D_GENERAL, "%s: current_epoch=%"PRIu64" recovery_epoch=%"PRIu64,
+		__func__, current_epoch, recovery_epoch);
+
+out:
+	sqlite3_free(err);
+	return ret;
+rollback:
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto out;
+}
+
+
+int
+sqlite_iterate_recovery(int (*cb)(struct cld_client *clnt), struct cld_client *clnt)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+#if UPCALL_VERSION >= 2
+	struct cld_msg_v2 *cmsg = &clnt->cl_u.cl_msg_v2;
+#else
+	struct cld_msg *cmsg = &clnt->cl_u.cl_msg;
+#endif
+
+	if (recovery_epoch == 0) {
+		xlog(D_GENERAL, "%s: not in grace!", __func__);
+		return -EINVAL;
+	}
+
+	ret = snprintf(buf, sizeof(buf), "SELECT * FROM \"rec-%016" PRIx64 "\";",
+		recovery_epoch);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		return ret;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		return -EINVAL;
+	}
+
+	ret = sqlite3_prepare_v2(dbh, buf, -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: select statement prepare failed: %s",
+			__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	while ((ret = sqlite3_step(stmt)) == SQLITE_ROW) {
+		const void *id;
+		int id_len;
+
+		id = sqlite3_column_blob(stmt, 0);
+		id_len = sqlite3_column_bytes(stmt, 0);
+		if (id_len > NFS4_OPAQUE_LIMIT)
+			id_len = NFS4_OPAQUE_LIMIT;
+
+		memset(&cmsg->cm_u, 0, sizeof(cmsg->cm_u));
+#if UPCALL_VERSION >= 2
+		memcpy(&cmsg->cm_u.cm_clntinfo.cc_name.cn_id, id, id_len);
+		cmsg->cm_u.cm_clntinfo.cc_name.cn_len = id_len;
+		if (sqlite3_column_bytes(stmt, 1) > 0) {
+			memcpy(&cmsg->cm_u.cm_clntinfo.cc_princhash.cp_data,
+				sqlite3_column_blob(stmt, 1), SHA256_DIGEST_SIZE);
+			cmsg->cm_u.cm_clntinfo.cc_princhash.cp_len = sqlite3_column_bytes(stmt, 1);
+		}
+#else
+		memcpy(&cmsg->cm_u.cm_name.cn_id, id, id_len);
+		cmsg->cm_u.cm_name.cn_len = id_len;
+#endif
+		cb(clnt);
+	}
+	if (ret == SQLITE_DONE)
+		ret = 0;
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+/*
+ * Cleans out the old nfsdcltrack database.
+ *
+ * Called upon receipt of the first "GraceDone" upcall only.
+ */
+int
+sqlite_delete_cltrack_records(void)
+{
+	int ret;
+	char *s;
+	char *err = NULL;
+
+	s = conf_get_str("nfsdcltrack", "storagedir");
+	if (s)
+		cltrack_storagedir = s;
+	ret = sqlite_attach_db(cltrack_storagedir);
+	if (ret)
+		goto out;
+	ret = sqlite3_exec(dbh, "DELETE FROM attached.clients;",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to clear records from cltrack db: %s",
+				err);
+	}
+	sqlite_detach_db();
+out:
+	sqlite3_free(err);
+	return ret;
+}
+
+/*
+ * Sets first_time to 0 in the parameters table to ensure we only
+ * copy old client tracking records into the database one time.
+ *
+ * Called upon receipt of the first "GraceDone" upcall only.
+ */
+int
+sqlite_first_time_done(void)
+{
+	int ret;
+	char *err = NULL;
+
+	ret = sqlite3_exec(dbh, "UPDATE parameters SET value = \"0\" "
+				"WHERE key = \"first_time\";",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK)
+		xlog(L_ERROR, "Unable to clear first_time: %s", err);
+
+	sqlite3_free(err);
+	return ret;
+}
+
+/*
+ * Closes all sqlite3 resources and shuts down the library.
+ *
+ */
+void
+sqlite_shutdown(void)
+{
+	if (dbh != NULL) {
+		sqlite3_close(dbh);
+		dbh = NULL;
+	}
+
+	sqlite3_shutdown();
+}
diff --git a/utils/nfsdcld/sqlite.h b/utils/nfsdcld/sqlite.h
new file mode 100644
index 0000000..044236c
--- /dev/null
+++ b/utils/nfsdcld/sqlite.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2011  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _SQLITE_H_
+#define _SQLITE_H_
+
+struct cld_client;
+
+int sqlite_prepare_dbh(const char *topdir);
+int sqlite_insert_client(const unsigned char *clname, const size_t namelen);
+int sqlite_insert_client_and_princhash(const unsigned char *clname, const size_t namelen,
+		const unsigned char *clprinchash, const size_t princhashlen);
+int sqlite_remove_client(const unsigned char *clname, const size_t namelen);
+int sqlite_check_client(const unsigned char *clname, const size_t namelen);
+int sqlite_grace_start(void);
+int sqlite_grace_done(void);
+int sqlite_iterate_recovery(int (*cb)(struct cld_client *clnt), struct cld_client *clnt);
+int sqlite_delete_cltrack_records(void);
+int sqlite_first_time_done(void);
+
+void sqlite_shutdown(void);
+#endif /* _SQLITE_H */
diff --git a/utils/nfsdcltrack/Makefile.am b/utils/nfsdcltrack/Makefile.am
new file mode 100644
index 0000000..769e4a4
--- /dev/null
+++ b/utils/nfsdcltrack/Makefile.am
@@ -0,0 +1,22 @@
+## Process this file with automake to produce Makefile.in
+
+# These binaries go in /sbin (not /usr/sbin) as the kernel "knows" the
+# /sbin name.  If /sbin is a symlink, CONFIG_SBIN_OVERRIDE can be
+# disabled to install in /usr/sbin anyway.
+# Note that we don't use "if CONFIG_SBIN_OVERRIDE" as that
+# causes autotools to notice the override and disable it.
+@CONFIG_SBIN_OVERRIDE_TRUE@sbindir = /sbin
+
+man8_MANS	= nfsdcltrack.man
+EXTRA_DIST	= $(man8_MANS)
+
+AM_CFLAGS	+= -D_LARGEFILE64_SOURCE
+sbin_PROGRAMS	= nfsdcltrack
+
+noinst_HEADERS	= sqlite.h
+
+nfsdcltrack_SOURCES = nfsdcltrack.c sqlite.c
+nfsdcltrack_LDADD = ../../support/nfs/libnfs.la $(LIBSQLITE) $(LIBCAP)
+
+MAINTAINERCLEANFILES = Makefile.in
+
diff --git a/utils/nfsdcltrack/Makefile.in b/utils/nfsdcltrack/Makefile.in
new file mode 100644
index 0000000..30836c8
--- /dev/null
+++ b/utils/nfsdcltrack/Makefile.in
@@ -0,0 +1,823 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
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+  if $(am__is_gnu_make); then \
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
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+host_triplet = @host@
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+	$(am__DIST_COMMON)
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+am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"
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+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
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+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
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+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
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+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
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+SOURCES = $(nfsdcltrack_SOURCES)
+DIST_SOURCES = $(nfsdcltrack_SOURCES)
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
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+  esac;
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+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS) $(HEADERS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/nfsdcltrack.Po
+	-rm -f ./$(DEPDIR)/sqlite.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man8
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/nfsdcltrack.Po
+	-rm -f ./$(DEPDIR)/sqlite.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+
+uninstall-man: uninstall-man8
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/nfsdcltrack/nfsdcltrack.c b/utils/nfsdcltrack/nfsdcltrack.c
new file mode 100644
index 0000000..7c1c4bc
--- /dev/null
+++ b/utils/nfsdcltrack/nfsdcltrack.c
@@ -0,0 +1,639 @@
+/*
+ * nfsdcltrack.c -- NFSv4 client name tracking program
+ *
+ * Copyright (C) 2012 Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <getopt.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <sys/inotify.h>
+#include <dirent.h>
+#include <limits.h>
+#ifdef HAVE_SYS_CAPABILITY_H
+#include <sys/prctl.h>
+#include <sys/capability.h>
+#endif
+
+#include "conffile.h"
+#include "xlog.h"
+#include "sqlite.h"
+
+#ifndef CLD_DEFAULT_STORAGEDIR
+#define CLD_DEFAULT_STORAGEDIR NFS_STATEDIR "/nfsdcltrack"
+#endif
+
+#define NFSD_END_GRACE_FILE "/proc/fs/nfsd/v4_end_grace"
+
+/* defined by RFC 3530 */
+#define NFS4_OPAQUE_LIMIT	1024
+
+/* private data structures */
+struct cltrack_cmd {
+	char *name;
+	bool needs_arg;
+	int (*func)(const char *arg);
+};
+
+/* forward declarations */
+static int cltrack_init(const char *unused);
+static int cltrack_create(const char *id);
+static int cltrack_remove(const char *id);
+static int cltrack_check(const char *id);
+static int cltrack_gracedone(const char *gracetime);
+
+/* global variables */
+static struct option longopts[] =
+{
+	{ "help", 0, NULL, 'h' },
+	{ "debug", 0, NULL, 'd' },
+	{ "foreground", 0, NULL, 'f' },
+	{ "storagedir", 1, NULL, 's' },
+	{ NULL, 0, 0, 0 },
+};
+
+static struct cltrack_cmd commands[] =
+{
+	{ "init", false, cltrack_init },
+	{ "create", true, cltrack_create },
+	{ "remove", true, cltrack_remove },
+	{ "check", true, cltrack_check },
+	{ "gracedone", true, cltrack_gracedone },
+	{ NULL, false, NULL },
+};
+
+static char *storagedir = CLD_DEFAULT_STORAGEDIR;
+
+/* common buffer for holding id4 blobs */
+static unsigned char blob[NFS4_OPAQUE_LIMIT];
+
+static void
+usage(char *progname)
+{
+	printf("Usage: %s [ -hfd ] [ -s dir ] < cmd > < arg >\n", progname);
+	printf("Where < cmd > is one of the following and takes the following < arg >:\n");
+	printf("    init\n");
+	printf("    create <nfs_client_id4>\n");
+	printf("    remove <nfs_client_id4>\n");
+	printf("    check  <nfs_client_id4>\n");
+	printf("    gracedone <epoch time>\n");
+}
+
+
+/**
+ * hex_to_bin - convert a hex digit to its real value
+ * @ch: ascii character represents hex digit
+ *
+ * hex_to_bin() converts one hex digit to its actual value or -1 in case of bad
+ * input.
+ *
+ * Note: borrowed from lib/hexdump.c in the Linux kernel sources.
+ */
+static int
+hex_to_bin(char ch)
+{
+	if ((ch >= '0') && (ch <= '9'))
+		return ch - '0';
+	ch = tolower(ch);
+	if ((ch >= 'a') && (ch <= 'f'))
+		return ch - 'a' + 10;
+	return -1;
+}
+
+/**
+ * hex_str_to_bin - convert a hexidecimal string into a binary blob
+ *
+ * @src: string of hex digit pairs
+ * @dst: destination buffer to hold binary data
+ * @dstsize: size of the destination buffer
+ *
+ * Walk a string of hex digit pairs and convert them into binary data. Returns
+ * the resulting length of the binary data or a negative error code. If the
+ * data will not fit in the buffer, it returns -ENOBUFS (but will likely have
+ * clobbered the dst buffer in the process of determining that). If there are
+ * non-hexidecimal characters in the src, or an odd number of them then it
+ * returns -EINVAL.
+ */
+static ssize_t
+hex_str_to_bin(const char *src, unsigned char *dst, ssize_t dstsize)
+{
+	unsigned char *tmpdst = dst;
+
+	while (*src) {
+		int hi, lo;
+
+		/* make sure we don't overrun the dst buffer */
+		if ((tmpdst - dst) >= dstsize)
+			return -ENOBUFS;
+
+		hi = hex_to_bin(*src++);
+
+		/* did we get an odd number of characters? */
+		if (!*src)
+			return -EINVAL;
+		lo = hex_to_bin(*src++);
+
+		/* one of the characters isn't a hex digit */
+		if (hi < 0 || lo < 0)
+			return -EINVAL;
+
+		/* now place it in the dst buffer */
+		*tmpdst++ = (hi << 4) | lo;
+	}
+
+	return (ssize_t)(tmpdst - dst);
+}
+
+/*
+ * This program will almost always be run with root privileges since the
+ * kernel will call out to run it. Drop all capabilities prior to doing
+ * anything important to limit the exposure to potential compromise.
+ *
+ * FIXME: should we setuid to a different user early on instead?
+ */
+static int
+cltrack_set_caps(void)
+{
+	int ret = 0;
+#ifdef HAVE_SYS_CAPABILITY_H
+	unsigned long i;
+	cap_t caps;
+
+	/* prune the bounding set to nothing */
+	for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0 ; ++i) {
+		ret = prctl(PR_CAPBSET_DROP, i, 0, 0, 0);
+		if (ret) {
+			xlog(L_ERROR, "Unable to prune capability %lu from "
+				      "bounding set: %m", i);
+			return -errno;
+		}
+	}
+
+	/* get a blank capset */
+	caps = cap_init();
+	if (caps == NULL) {
+		xlog(L_ERROR, "Unable to get blank capability set: %m");
+		return -errno;
+	}
+
+	/* reset the process capabilities */
+	if (cap_set_proc(caps) != 0) {
+		xlog(L_ERROR, "Unable to set process capabilities: %m");
+		ret = -errno;
+	}
+	cap_free(caps);
+#endif
+	return ret;
+}
+
+/* Inform the kernel that it's OK to lift nfsd's grace period */
+static void
+cltrack_lift_grace_period(void)
+{
+	int fd;
+
+	fd = open(NFSD_END_GRACE_FILE, O_WRONLY);
+	if (fd < 0) {
+		/* Don't warn if file isn't present */
+		if (errno != ENOENT)
+			xlog(L_WARNING, "Unable to open %s: %m",
+				NFSD_END_GRACE_FILE);
+		return;
+	}
+
+	if (write(fd, "Y", 1) < 0)
+		xlog(L_WARNING, "Unable to write to %s: %m",
+				NFSD_END_GRACE_FILE);
+
+	close(fd);
+	return;
+}
+
+/*
+ * Fetch the contents of the NFSDCLTRACK_GRACE_START env var. If it's not set
+ * or there's an error converting it to time_t, then return LONG_MAX.
+ */
+static time_t
+cltrack_get_grace_start(void)
+{
+	time_t grace_start;
+	char *end;
+	char *grace_start_str = getenv("NFSDCLTRACK_GRACE_START");
+
+	if (!grace_start_str)
+		return LONG_MAX;
+
+	errno = 0;
+	grace_start = strtol(grace_start_str, &end, 0);
+	/* Problem converting or value is too large? */
+	if (errno)
+		return LONG_MAX;
+
+	return grace_start;
+}
+
+static bool
+cltrack_reclaims_complete(void)
+{
+	time_t grace_start = cltrack_get_grace_start();
+
+	/* Don't query DB if we didn't get a valid boot time */
+	if (grace_start == LONG_MAX)
+		return false;
+
+	return !sqlite_query_reclaiming(grace_start);
+}
+
+static int
+cltrack_init(const char __attribute__((unused)) *unused)
+{
+	int ret;
+
+	/*
+	 * see if the storagedir is writable by root w/o CAP_DAC_OVERRIDE.
+	 * If it isn't then give the user a warning but proceed as if
+	 * everything is OK. If the DB has already been created, then
+	 * everything might still work. If it doesn't exist at all, then
+	 * assume that the maindb init will be able to create it. Fail on
+	 * anything else.
+	 */
+	if (access(storagedir, W_OK) == -1) {
+		switch (errno) {
+		case EACCES:
+			xlog(L_WARNING, "Storage directory %s is not writable. "
+					"Should be owned by root and writable "
+					"by owner!", storagedir);
+			break;
+		case ENOENT:
+			/* ignore and assume that we can create dir as root */
+			break;
+		default:
+			xlog(L_ERROR, "Unexpected error when checking access "
+				      "on %s: %m", storagedir);
+			return -errno;
+		}
+	}
+
+	/* set up storage db */
+	ret = sqlite_prepare_dbh(storagedir);
+	if (ret) {
+		xlog(L_ERROR, "Failed to init database: %d", ret);
+		/*
+		 * Convert any error here into -EACCES. It's not truly
+		 * accurate in all cases, but it should cause the kernel to
+		 * stop upcalling until the problem is resolved.
+		 */
+		ret = -EACCES;
+	} else {
+		if (cltrack_reclaims_complete())
+			cltrack_lift_grace_period();
+	}
+
+	return ret;
+}
+
+/*
+ * Fetch the contents of the NFSDCLTRACK_CLIENT_HAS_SESSION env var. If
+ * it's set and the first character is 'Y' then return true. Otherwise
+ * return false.
+ */
+static bool
+cltrack_client_has_session(void)
+{
+	char *has_session = getenv("NFSDCLTRACK_CLIENT_HAS_SESSION");
+
+	if (has_session && *has_session == 'Y')
+		return true;
+
+	return false;
+}
+
+static int
+cltrack_create(const char *id)
+{
+	int ret;
+	ssize_t len;
+	bool has_session;
+
+	xlog(D_GENERAL, "%s: create client record.", __func__);
+
+	ret = sqlite_prepare_dbh(storagedir);
+	if (ret)
+		return ret;
+
+	len = hex_str_to_bin(id, blob, sizeof(blob));
+	if (len < 0)
+		return (int)len;
+
+	has_session = cltrack_client_has_session();
+
+	ret = sqlite_insert_client(blob, len, has_session, false);
+
+	if (!ret && has_session && cltrack_reclaims_complete())
+		cltrack_lift_grace_period();
+
+	return ret ? -EREMOTEIO : ret;
+}
+
+static int
+cltrack_remove(const char *id)
+{
+	int ret;
+	ssize_t len;
+
+	xlog(D_GENERAL, "%s: remove client record.", __func__);
+
+	ret = sqlite_prepare_dbh(storagedir);
+	if (ret)
+		return ret;
+
+	len = hex_str_to_bin(id, blob, sizeof(blob));
+	if (len < 0)
+		return (int)len;
+
+	ret = sqlite_remove_client(blob, len);
+
+	return ret ? -EREMOTEIO : ret;
+}
+
+static int
+cltrack_check_legacy(const unsigned char *blob, const ssize_t len,
+			bool has_session)
+{
+	int ret;
+	struct stat st;
+	char *recdir = getenv("NFSDCLTRACK_LEGACY_RECDIR");
+
+	if (!recdir) {
+		xlog(D_GENERAL, "No NFSDCLTRACK_LEGACY_RECDIR env var");
+		return -EOPNOTSUPP;
+	}
+
+	/* fail recovery on any stat failure */
+	ret = stat(recdir, &st);
+	if (ret) {
+		xlog(D_GENERAL, "Unable to stat %s: %d", recdir, errno);
+		return -errno;
+	}
+
+	/* fail if it isn't a directory */
+	if (!S_ISDIR(st.st_mode)) {
+		xlog(D_GENERAL, "%s is not a directory: mode=0%o", recdir
+				, st.st_mode);
+		return -ENOTDIR;
+	}
+
+	/* Dir exists, try to insert record into db */
+	ret = sqlite_insert_client(blob, len, has_session, has_session);
+	if (ret) {
+		xlog(D_GENERAL, "Failed to insert client: %d", ret);
+		return -EREMOTEIO;
+	}
+
+	/* remove the legacy recoverydir */
+	ret = rmdir(recdir);
+	if (ret) {
+		xlog(D_GENERAL, "Failed to rmdir %s: %d", recdir, errno);
+		return -errno;
+	}
+	return 0;
+}
+
+static int
+cltrack_check(const char *id)
+{
+	int ret;
+	ssize_t len;
+	bool has_session;
+
+	xlog(D_GENERAL, "%s: check client record", __func__);
+
+	ret = sqlite_prepare_dbh(storagedir);
+	if (ret)
+		return ret;
+
+	len = hex_str_to_bin(id, blob, sizeof(blob));
+	if (len < 0)
+		return (int)len;
+
+	has_session = cltrack_client_has_session();
+
+	ret = sqlite_check_client(blob, len, has_session);
+	if (ret)
+		ret = cltrack_check_legacy(blob, len, has_session);
+
+	return ret ? -EPERM : ret;
+}
+
+/* Clean out the v4recoverydir -- best effort here */
+static void
+cltrack_legacy_gracedone(void)
+{
+	DIR *v4recovery;
+	struct dirent *entry;
+	char *dirname = getenv("NFSDCLTRACK_LEGACY_TOPDIR");
+
+	if (!dirname)
+		return;
+
+	v4recovery = opendir(dirname);
+	if (!v4recovery)
+		return;
+
+	while ((entry = readdir(v4recovery))) {
+		int len;
+
+		/* skip "." and ".." */
+		if (entry->d_name[0] == '.') {
+			switch (entry->d_name[1]) {
+			case '\0':
+				continue;
+			case '.':
+				if (entry->d_name[2] == '\0')
+					continue;
+			}
+		}
+
+		/* borrow the clientid blob for this */
+		len = snprintf((char *)blob, sizeof(blob), "%s/%s", dirname,
+				entry->d_name);
+
+		/* if there's a problem, then skip this entry */
+		if (len < 0 || (size_t)len >= sizeof(blob)) {
+			xlog(L_WARNING, "%s: unable to build filename for %s!",
+				__func__, entry->d_name);
+			continue;
+		}
+
+		len = rmdir((char *)blob);
+		if (len)
+			xlog(L_WARNING, "%s: unable to rmdir %s: %d", __func__,
+				(char *)blob, len);
+	}
+
+	closedir(v4recovery);
+}
+
+static int
+cltrack_gracedone(const char *timestr)
+{
+	int ret;
+	char *tail;
+	uint64_t gracetime;
+
+
+	ret = sqlite_prepare_dbh(storagedir);
+	if (ret)
+		return ret;
+
+	errno = 0;
+	gracetime = strtol(timestr, &tail, 0);
+
+	/* did the resulting value overflow? (Probably -ERANGE here) */
+	if (errno)
+		return -errno;
+
+	/* string wasn't fully converted */
+	if (*tail)
+		return -EINVAL;
+
+	xlog(D_GENERAL, "%s: grace done. gracetime=%"PRIu64, __func__, gracetime);
+
+	ret = sqlite_remove_unreclaimed(gracetime);
+
+	cltrack_legacy_gracedone();
+
+	return ret ? -EREMOTEIO : ret;
+}
+
+static struct cltrack_cmd *
+find_cmd(char *cmdname)
+{
+	struct cltrack_cmd *current = &commands[0];
+
+	while (current->name) {
+		if (!strcmp(cmdname, current->name))
+			return current;
+		++current;
+	}
+
+	xlog(L_ERROR, "%s: '%s' doesn't match any known command",
+			__func__, cmdname);
+	return NULL;
+}
+inline static void 
+read_nfsdcltrack_conf(void)
+{
+	char *val;
+
+	conf_init_file(NFS_CONFFILE); 
+	xlog_set_debug("nfsdcltrack");
+	val = conf_get_str("nfsdcltrack", "storagedir");
+	if (val)
+		storagedir = val;
+}
+int
+main(int argc, char **argv)
+{
+	int arg;
+	int rc = 0;
+	char *progname, *cmdarg = NULL;
+	struct cltrack_cmd *cmd;
+
+	progname = basename(argv[0]);
+
+	xlog_syslog(1);
+	xlog_stderr(0);
+
+	/* Read in config setting */
+	read_nfsdcltrack_conf();
+
+	/* process command-line options */
+	while ((arg = getopt_long(argc, argv, "hdfs:", longopts,
+				  NULL)) != EOF) {
+		switch (arg) {
+		case 'd':
+			xlog_config(D_ALL, 1);
+			break;
+		case 'f':
+			xlog_syslog(0);
+			xlog_stderr(1);
+			break;
+		case 's':
+			storagedir = optarg;
+			break;
+		default:
+			usage(progname);
+			return 1;
+		}
+	}
+
+	xlog_open(progname);
+
+	/* we expect a command, at least */
+	if (optind >= argc) {
+		xlog(L_ERROR, "Missing command name\n");
+		rc = -EINVAL;
+		goto out;
+	}
+
+	/* drop all capabilities */
+	rc = cltrack_set_caps();
+	if (rc)
+		goto out;
+
+	cmd = find_cmd(argv[optind]);
+	if (!cmd) {
+		/*
+		 * In the event that we get a command that we don't understand
+		 * then return a distinct error. The kernel can use this to
+		 * determine a new kernel/old userspace situation and cope
+		 * with it.
+		 */
+		rc = -ENOSYS;
+		goto out;
+	}
+
+	/* populate arg var if command needs it */
+	if (cmd->needs_arg) {
+		if (optind + 1 >= argc) {
+			xlog(L_ERROR, "Command %s requires an argument\n",
+				cmd->name);
+			rc = -EINVAL;
+			goto out;
+		}
+		cmdarg = argv[optind + 1];
+	}
+	rc = cmd->func(cmdarg);
+out:
+	return rc;
+}
diff --git a/utils/nfsdcltrack/nfsdcltrack.man b/utils/nfsdcltrack/nfsdcltrack.man
new file mode 100644
index 0000000..cc24b7a
--- /dev/null
+++ b/utils/nfsdcltrack/nfsdcltrack.man
@@ -0,0 +1,112 @@
+.ie \nF \{\
+.    de IX
+.    tm Index:\\$1\t\\n%\t"\\$2"
+..
+.    nr % 0
+.    rr F
+.\}
+.el \{\
+.    de IX
+..
+.\}
+.IX Title "NFSDCLTRACK 8"
+.TH NFSDCLTRACK 8 "2012-10-24" "" ""
+.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH "NAME"
+nfsdcltrack \- NFSv4 Client Tracking Callout Program
+.SH "SYNOPSIS"
+.IX Header "SYNOPSIS"
+nfsdcltrack [\-d] [\-f] [\-s stable storage dir] <command> <args...>
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+nfsdcltrack is the NFSv4 client tracking callout program. It is not necessary
+to install this program on machines that are not acting as NFSv4 servers.
+.PP
+When a network partition is combined with a server reboot, there are
+edge conditions that can cause the server to grant lock reclaims when
+other clients have taken conflicting locks in the interim. A more detailed
+explanation of this issue is described in \s-1RFC\s0 3530, section 8.6.3
+and in \s-1RFC\s0 5661, section 8.4.3.
+.PP
+In order to prevent these problems, the server must track a small amount
+of per-client information on stable storage. This program provides the
+userspace piece of that functionality. When the kernel needs to manipulate
+the database that stores this info, it will execute this program to handle
+it.
+.SH "OPTIONS"
+.IX Header "OPTIONS"
+.IP "\fB\-d\fR, \fB\-\-debug\fR" 4
+.IX Item "-d, --debug"
+Enable debug level logging.
+.IP "\fB\-f\fR, \fB\-\-foreground\fR" 4
+.IX Item "-f, --foreground"
+Log to stderr instead of syslog.
+.IP "\fB\-s\fR \fIstoragedir\fR, \fB\-\-storagedir\fR=\fIstorage_dir\fR" 4
+.IX Item "-s storagedir, --storagedir=storage_dir"
+Directory where stable storage information should be kept. The default
+value is \fI/var/lib/nfs/nfsdcltrack\fR.
+.SH "COMMANDS"
+.IX Header "COMMANDS"
+nfsdcltrack requires a command for each invocation. Supported commands
+are:
+.IP "\fBinit\fR" 4
+.IX Item "init"
+Initialize the database. This command requires no argument.
+.IP "\fBcreate\fR" 4
+.IX Item "create"
+Create a new client record (or update the timestamp on an existing one). This command requires a hex-encoded nfs_client_id4 as an argument.
+.IP "\fBremove\fR" 4
+.IX Item "remove"
+Remove a client record from the database. This command requires a hex-encoded nfs_client_id4 as an argument.
+.IP "\fBcheck\fR" 4
+.IX Item "check"
+Check to see if a nfs_client_id4 is allowed to reclaim. This command requires a hex-encoded nfs_client_id4 as an argument.
+.IP "\fBgracedone\fR" 4
+.IX Item "gracedone"
+Remove any unreclaimed client records from the database. This command requires a epoch boot time as an argument.
+.SH "EXTERNAL CONFIGURATION"
+The directory for stable storage information can be set via the file
+.B /etc/nfs.conf
+by setting the
+.B storagedir
+value in the
+.B nfsdcltrack
+section.  For example:
+.in +5
+[nfsdcltrack]
+.br
+  storagedir = /shared/nfs/nfsdcltrack
+.in -5
+Debuging to syslog can also be enabled by setting "debug = 1" in this file.
+.SH "LEGACY TRANSITION MECHANISM"
+.IX Header "LEGACY TRANSITION MECHANISM"
+The Linux kernel NFSv4 server has historically tracked this information
+on stable storage by manipulating information on the filesystem
+directly, in the directory to which \fI/proc/fs/nfsd/nfsv4recoverydir\fR
+points. If the kernel passes the correct information, then nfsdcltrack
+can use it to allow a seamless transition from the old client tracking
+scheme to the new one.
+.PP
+On a \fBcheck\fR operation, if there is no record of the client in the
+database, nfsdcltrack will look to see if the \fB\s-1NFSDCLTRACK_LEGACY_RECDIR\s0\fR
+environment variable is set. If it is, then it will fetch that value and
+see if a directory exists by that name. If it does, then the check
+operation will succeed and the directory will be removed.
+.PP
+On a \fBgracedone\fR operation, nfsdcltrack will look to see if the
+\&\fB\s-1NFSDCLTRACK_LEGACY_TOPDIR\s0\fR environment variable is set. If it is, then
+it will attempt to clean out that directory prior to exiting.
+.PP
+Note that this transition is one-way. If the machine subsequently reboots
+back into an older kernel that does not support the nfsdcltrack upcall
+then the clients will not be able to recover their state.
+.SH "NOTES"
+.IX Header "NOTES"
+This program requires a kernel that supports the nfsdcltrack usermodehelper
+upcall. This support was first added to mainline kernels in 3.8.
+.SH "AUTHORS"
+.IX Header "AUTHORS"
+nfsdcltrack was developed by Jeff Layton <jlayton@redhat.com>.
diff --git a/utils/nfsdcltrack/sqlite.c b/utils/nfsdcltrack/sqlite.c
new file mode 100644
index 0000000..cf0c6a4
--- /dev/null
+++ b/utils/nfsdcltrack/sqlite.c
@@ -0,0 +1,604 @@
+/*
+ * Copyright (C) 2011  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * Explanation:
+ *
+ * This file contains the code to manage the sqlite backend database for the
+ * nfsdcltrack usermodehelper upcall program.
+ *
+ * The main database is called main.sqlite and contains the following tables:
+ *
+ * parameters: simple key/value pairs for storing database info
+ *
+ * clients: an "id" column containing a BLOB with the long-form clientid as
+ * 	    sent by the client, a "time" column containing a timestamp (in
+ * 	    epoch seconds) of when the record was last updated, and a
+ * 	    "has_session" column containing a boolean value indicating
+ * 	    whether the client has sessions (v4.1+) or not (v4.0).
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <dirent.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <sqlite3.h>
+#include <linux/limits.h>
+
+#include "xlog.h"
+#include "sqlite.h"
+
+#define CLTRACK_SQLITE_LATEST_SCHEMA_VERSION 2
+
+/* in milliseconds */
+#define CLTRACK_SQLITE_BUSY_TIMEOUT 10000
+
+/* private data structures */
+
+/* global variables */
+
+/* reusable pathname and sql command buffer */
+static char buf[PATH_MAX];
+
+/* global database handle */
+static sqlite3 *dbh;
+
+/* forward declarations */
+
+/* make a directory, ignoring EEXIST errors unless it's not a directory */
+static int
+mkdir_if_not_exist(const char *dirname)
+{
+	int ret;
+	struct stat statbuf;
+
+	ret = mkdir(dirname, S_IRWXU);
+	if (ret && errno != EEXIST)
+		return -errno;
+
+	ret = stat(dirname, &statbuf);
+	if (ret)
+		return -errno;
+
+	if (!S_ISDIR(statbuf.st_mode))
+		ret = -ENOTDIR;
+
+	return ret;
+}
+
+static int
+sqlite_query_schema_version(void)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	/* prepare select query */
+	ret = sqlite3_prepare_v2(dbh,
+		"SELECT value FROM parameters WHERE key == \"version\";",
+		 -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(D_GENERAL, "Unable to prepare select statement: %s",
+			sqlite3_errmsg(dbh));
+		ret = 0;
+		goto out;
+	}
+
+	/* query schema version */
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_ROW) {
+		xlog(D_GENERAL, "Select statement execution failed: %s",
+				sqlite3_errmsg(dbh));
+		ret = 0;
+		goto out;
+	}
+
+	ret = sqlite3_column_int(stmt, 0);
+out:
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+static int
+sqlite_maindb_update_v1_to_v2(void)
+{
+	int ret, ret2;
+	char *err;
+
+	/* begin transaction */
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		goto rollback;
+	}
+
+	/*
+	 * Check schema version again. This time, under an exclusive
+	 * transaction to guard against racing DB setup attempts
+	 */
+	ret = sqlite_query_schema_version();
+	switch (ret) {
+	case 1:
+		/* Still at v1 -- do conversion */
+		break;
+	case CLTRACK_SQLITE_LATEST_SCHEMA_VERSION:
+		/* Someone else raced in and set it up */
+		ret = 0;
+		goto rollback;
+	default:
+		/* Something went wrong -- fail! */
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	/* create v2 clients table */
+	ret = sqlite3_exec(dbh, "ALTER TABLE clients ADD COLUMN "
+				"has_session INTEGER;",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to update clients table: %s", err);
+		goto rollback;
+	}
+
+	ret = snprintf(buf, sizeof(buf), "UPDATE parameters SET value = %d "
+			"WHERE key = \"version\";",
+			CLTRACK_SQLITE_LATEST_SCHEMA_VERSION);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		goto rollback;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to update schema version: %s", err);
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+out:
+	sqlite3_free(err);
+	return ret;
+rollback:
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto out;
+}
+
+/*
+ * Start an exclusive transaction and recheck the DB schema version. If it's
+ * still zero (indicating a new database) then set it up. If that all works,
+ * then insert schema version into the parameters table and commit the
+ * transaction. On any error, rollback the transaction.
+ */
+static int
+sqlite_maindb_init_v2(void)
+{
+	int ret, ret2;
+	char *err = NULL;
+
+	/* Start a transaction */
+	ret = sqlite3_exec(dbh, "BEGIN EXCLUSIVE TRANSACTION;", NULL, NULL,
+				&err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to begin transaction: %s", err);
+		if (err)
+			sqlite3_free(err);
+		return ret;
+	}
+
+	/*
+	 * Check schema version again. This time, under an exclusive
+	 * transaction to guard against racing DB setup attempts
+	 */
+	ret = sqlite_query_schema_version();
+	switch (ret) {
+	case 0:
+		/* Query failed again -- set up DB */
+		break;
+	case CLTRACK_SQLITE_LATEST_SCHEMA_VERSION:
+		/* Someone else raced in and set it up */
+		ret = 0;
+		goto rollback;
+	default:
+		/* Something went wrong -- fail! */
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, "CREATE TABLE parameters "
+				"(key TEXT PRIMARY KEY, value TEXT);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to create parameter table: %s", err);
+		goto rollback;
+	}
+
+	/* create the "clients" table */
+	ret = sqlite3_exec(dbh, "CREATE TABLE clients (id BLOB PRIMARY KEY, "
+				"time INTEGER, has_session INTEGER);",
+				NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to create clients table: %s", err);
+		goto rollback;
+	}
+
+
+	/* insert version into parameters table */
+	ret = snprintf(buf, sizeof(buf), "INSERT OR FAIL INTO parameters "
+			"values (\"version\", \"%d\");",
+			CLTRACK_SQLITE_LATEST_SCHEMA_VERSION);
+	if (ret < 0) {
+		xlog(L_ERROR, "sprintf failed!");
+		goto rollback;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		xlog(L_ERROR, "sprintf output too long! (%d chars)", ret);
+		ret = -EINVAL;
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, (const char *)buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to insert into parameter table: %s", err);
+		goto rollback;
+	}
+
+	ret = sqlite3_exec(dbh, "COMMIT TRANSACTION;", NULL, NULL, &err);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to commit transaction: %s", err);
+		goto rollback;
+	}
+out:
+	sqlite3_free(err);
+	return ret;
+
+rollback:
+	/* Attempt to rollback the transaction */
+	ret2 = sqlite3_exec(dbh, "ROLLBACK TRANSACTION;", NULL, NULL, &err);
+	if (ret2 != SQLITE_OK)
+		xlog(L_ERROR, "Unable to rollback transaction: %s", err);
+	goto out;
+}
+
+/* Open the database and set up the database handle for it */
+int
+sqlite_prepare_dbh(const char *topdir)
+{
+	int ret;
+
+	/* Do nothing if the database handle is already set up */
+	if (dbh)
+		return 0;
+
+	ret = snprintf(buf, PATH_MAX - 1, "%s/main.sqlite", topdir);
+	if (ret < 0)
+		return ret;
+
+	buf[PATH_MAX - 1] = '\0';
+
+	/* open a new DB handle */
+	ret = sqlite3_open(buf, &dbh);
+	if (ret != SQLITE_OK) {
+		/* try to create the dir */
+		ret = mkdir_if_not_exist(topdir);
+		if (ret)
+			goto out_close;
+
+		/* retry open */
+		ret = sqlite3_open(buf, &dbh);
+		if (ret != SQLITE_OK)
+			goto out_close;
+	}
+
+	/* set busy timeout */
+	ret = sqlite3_busy_timeout(dbh, CLTRACK_SQLITE_BUSY_TIMEOUT);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "Unable to set sqlite busy timeout: %s",
+				sqlite3_errmsg(dbh));
+		goto out_close;
+	}
+
+	ret = sqlite_query_schema_version();
+	switch (ret) {
+	case CLTRACK_SQLITE_LATEST_SCHEMA_VERSION:
+		/* DB is already set up. Do nothing */
+		ret = 0;
+		break;
+	case 1:
+		/* Old DB -- update to new schema */
+		ret = sqlite_maindb_update_v1_to_v2();
+		if (ret)
+			goto out_close;
+		break;
+	case 0:
+		/* Query failed -- try to set up new DB */
+		ret = sqlite_maindb_init_v2();
+		if (ret)
+			goto out_close;
+		break;
+	default:
+		/* Unknown DB version -- downgrade? Fail */
+		xlog(L_ERROR, "Unsupported database schema version! "
+			"Expected %d, got %d.",
+			CLTRACK_SQLITE_LATEST_SCHEMA_VERSION, ret);
+		ret = -EINVAL;
+		goto out_close;
+	}
+
+	return ret;
+out_close:
+	sqlite3_close(dbh);
+	dbh = NULL;
+	return ret;
+}
+
+/*
+ * Create a client record
+ *
+ * Returns a non-zero sqlite error code, or SQLITE_OK (aka 0)
+ */
+int
+sqlite_insert_client(const unsigned char *clname, const size_t namelen,
+			const bool has_session, const bool zerotime)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	if (zerotime)
+		ret = sqlite3_prepare_v2(dbh, "INSERT OR REPLACE INTO clients "
+				"VALUES (?, 0, ?);", -1, &stmt, NULL);
+	else
+		ret = sqlite3_prepare_v2(dbh, "INSERT OR REPLACE INTO clients "
+				"VALUES (?, strftime('%s', 'now'), ?);", -1,
+				&stmt, NULL);
+
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: insert statement prepare failed: %s",
+			__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s", __func__,
+				sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_bind_int(stmt, 2, (int)has_session);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind int failed: %s", __func__,
+				sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from insert: %s",
+				__func__, sqlite3_errmsg(dbh));
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+/* Remove a client record */
+int
+sqlite_remove_client(const unsigned char *clname, const size_t namelen)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = sqlite3_prepare_v2(dbh, "DELETE FROM clients WHERE id==?", -1,
+				 &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: statement prepare failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s", __func__,
+				sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from delete: %d",
+				__func__, ret);
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+/*
+ * Is the given clname in the clients table? If so, then update its timestamp
+ * and return success. If the record isn't present, or the update fails, then
+ * return an error.
+ */
+int
+sqlite_check_client(const unsigned char *clname, const size_t namelen,
+			const bool has_session)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = sqlite3_prepare_v2(dbh, "SELECT count(*) FROM clients WHERE "
+				      "id==?", -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: unable to prepare update statement: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_ROW) {
+		xlog(L_ERROR, "%s: unexpected return code from select: %d",
+				__func__, ret);
+		goto out_err;
+	}
+
+	ret = sqlite3_column_int(stmt, 0);
+	xlog(D_GENERAL, "%s: select returned %d rows", __func__, ret);
+	if (ret != 1) {
+		ret = -EACCES;
+		goto out_err;
+	}
+
+	/* Only update timestamp for v4.0 clients */
+	if (has_session) {
+		ret = SQLITE_OK;
+		goto out_err;
+	}
+
+	sqlite3_finalize(stmt);
+	stmt = NULL;
+	ret = sqlite3_prepare_v2(dbh, "UPDATE OR FAIL clients SET "
+				      "time=strftime('%s', 'now') WHERE id==?",
+				 -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: unable to prepare update statement: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from update: %s",
+				__func__, sqlite3_errmsg(dbh));
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}
+
+/*
+ * remove any client records that were not reclaimed since grace_start.
+ */
+int
+sqlite_remove_unreclaimed(uint64_t grace_start)
+{
+	int ret;
+	char *err = NULL;
+
+	ret = snprintf(buf, sizeof(buf), "DELETE FROM clients WHERE time < %"PRIu64,
+			grace_start);
+	if (ret < 0) {
+		return ret;
+	} else if ((size_t)ret >= sizeof(buf)) {
+		ret = -EINVAL;
+		return ret;
+	}
+
+	ret = sqlite3_exec(dbh, buf, NULL, NULL, &err);
+	if (ret != SQLITE_OK)
+		xlog(L_ERROR, "%s: delete failed: %s", __func__, err);
+
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_free(err);
+	return ret;
+}
+
+/*
+ * Are there any clients that are possibly still reclaiming? Return a positive
+ * integer (usually number of clients) if so. If not, then return 0. On any
+ * error, return non-zero.
+ */
+int
+sqlite_query_reclaiming(const time_t grace_start)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = sqlite3_prepare_v2(dbh, "SELECT count(*) FROM clients WHERE "
+				      "time < ? OR has_session != 1", -1, &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: unable to prepare select statement: %s",
+				__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_bind_int64(stmt, 1, (sqlite3_int64)grace_start);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind int64 failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret != SQLITE_ROW) {
+		xlog(L_ERROR, "%s: unexpected return code from select: %s",
+				__func__, sqlite3_errmsg(dbh));
+		return ret;
+	}
+
+	ret = sqlite3_column_int(stmt, 0);
+	sqlite3_finalize(stmt);
+	xlog(D_GENERAL, "%s: there are %d clients that have not completed "
+			"reclaim", __func__, ret);
+	return ret;
+}
diff --git a/utils/nfsdcltrack/sqlite.h b/utils/nfsdcltrack/sqlite.h
new file mode 100644
index 0000000..ba8cdfa
--- /dev/null
+++ b/utils/nfsdcltrack/sqlite.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2011  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _SQLITE_H_
+#define _SQLITE_H_
+
+int sqlite_prepare_dbh(const char *topdir);
+int sqlite_insert_client(const unsigned char *clname, const size_t namelen,
+				const bool has_session, const bool zerotime);
+int sqlite_remove_client(const unsigned char *clname, const size_t namelen);
+int sqlite_check_client(const unsigned char *clname, const size_t namelen,
+				const bool has_session);
+int sqlite_remove_unreclaimed(const uint64_t grace_start);
+int sqlite_query_reclaiming(const time_t grace_start);
+
+#endif /* _SQLITE_H */
diff --git a/utils/nfsidmap/Makefile.am b/utils/nfsidmap/Makefile.am
new file mode 100644
index 0000000..e5d7d04
--- /dev/null
+++ b/utils/nfsidmap/Makefile.am
@@ -0,0 +1,14 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS = nfsidmap.man
+sbin_PROGRAMS	= nfsidmap
+
+AM_CPPFLAGS += -I ../../support/nfsidmap
+
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+nfsidmap_LDADD = -lkeyutils \
+		 ../../support/nfs/libnfs.la \
+		 ../../support/nfsidmap/libnfsidmap.la
+
+MAINTAINERCLEANFILES = Makefile.in
+EXTRA_DIST = id_resolver.conf $(man8_MANS)
diff --git a/utils/nfsidmap/Makefile.in b/utils/nfsidmap/Makefile.in
new file mode 100644
index 0000000..dc0c7d9
--- /dev/null
+++ b/utils/nfsidmap/Makefile.in
@@ -0,0 +1,811 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
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+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+
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+nfsidmap_SOURCES = nfsidmap.c
+nfsidmap_LDADD = -lkeyutils \
+		 ../../support/nfs/libnfs.la \
+		 ../../support/nfsidmap/libnfsidmap.la
+
+MAINTAINERCLEANFILES = Makefile.in
+EXTRA_DIST = id_resolver.conf $(man8_MANS)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
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+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu utils/nfsidmap/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu utils/nfsidmap/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
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+	@$(NORMAL_INSTALL)
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+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(sbindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(sbindir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
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+	    else { print "f", $$3 "/" $$4, $$1; } } \
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+	while read type dir files; do \
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+	    } \
+	; done
+
+uninstall-sbinPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(sbindir)" && rm -f $$files
+
+clean-sbinPROGRAMS:
+	@list='$(sbin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
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+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+nfsidmap$(EXEEXT): $(nfsidmap_OBJECTS) $(nfsidmap_DEPENDENCIES) $(EXTRA_nfsidmap_DEPENDENCIES) 
+	@rm -f nfsidmap$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(nfsidmap_OBJECTS) $(nfsidmap_LDADD) $(LIBS)
+
+mostlyclean-compile:
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+
+distclean-compile:
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+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nfsidmap.Po@am__quote@ # am--include-marker
+
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+
+.c.o:
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+
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+
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+	@$(NORMAL_INSTALL)
+	@list1='$(man8_MANS)'; \
+	list2=''; \
+	test -n "$(man8dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
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+	$(MKDIR_P) "$(DESTDIR)$(man8dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.8[a-z]*$$/p'; \
+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
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+ID: $(am__tagged_files)
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+	$(am__define_uniq_tagged_files); \
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+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
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+	      $$unique; \
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+	     $$unique
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
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+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
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+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/nfsidmap/id_resolver.conf b/utils/nfsidmap/id_resolver.conf
new file mode 100644
index 0000000..2c156c6
--- /dev/null
+++ b/utils/nfsidmap/id_resolver.conf
@@ -0,0 +1 @@
+create	id_resolver	*	*	/usr/sbin/nfsidmap -t 600 %k %d
diff --git a/utils/nfsidmap/nfsidmap.c b/utils/nfsidmap/nfsidmap.c
new file mode 100644
index 0000000..cf7f65e
--- /dev/null
+++ b/utils/nfsidmap/nfsidmap.c
@@ -0,0 +1,478 @@
+#include "config.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <libgen.h>
+
+#include <pwd.h>
+#include <grp.h>
+#include <keyutils.h>
+#include <nfsidmap.h>
+
+#include <unistd.h>
+#include "xlog.h"
+#include "conffile.h"
+#include "xcommon.h"
+
+int verbose = 0;
+#define USAGE "Usage: %s [-vh] [-c || [-u|-g|-r key] || -d || -l || [-t timeout] key desc]"
+
+#define MAX_ID_LEN   11
+#define IDMAP_NAMESZ 128
+#define USER  1
+#define GROUP 0
+
+#define PROCKEYS "/proc/keys"
+#ifndef DEFAULT_KEYRING
+#define DEFAULT_KEYRING ".id_resolver"
+#endif
+
+#ifndef PATH_IDMAPDCONF
+#define PATH_IDMAPDCONF "/etc/idmapd.conf"
+#endif
+
+#define UIDKEYS 0x1
+#define GIDKEYS 0x2
+
+#ifndef HAVE_FIND_KEY_BY_TYPE_AND_DESC
+static key_serial_t find_key_by_type_and_desc(const char *type,
+		const char *desc, key_serial_t destringid)
+{
+	char buf[BUFSIZ];
+	key_serial_t key;
+	FILE *fp;
+
+	if ((fp = fopen(PROCKEYS, "r")) == NULL) {
+		xlog_err("fopen(%s) failed: %m", PROCKEYS);
+		return -1;
+	}
+
+	key = -1;
+	while(fgets(buf, BUFSIZ, fp) != NULL) {
+		unsigned int id;
+
+		if (strstr(buf, type) == NULL)
+			continue;
+		if (strstr(buf, desc) == NULL)
+			continue;
+		if (sscanf(buf, "%x %*s", &id) != 1) {
+			xlog_err("Unparsable keyring entry in %s", PROCKEYS);
+			continue;
+		}
+
+		key = (key_serial_t)id;
+		break;
+	}
+
+	fclose(fp);
+	return key;
+}
+#endif
+
+/*
+ * Clear all the keys on the given keyring
+ */
+static int keyring_clear(const char *keyring)
+{
+	key_serial_t key;
+
+	key = find_key_by_type_and_desc("keyring", keyring, 0);
+	if (key == -1) {
+		if (verbose)
+			xlog_warn("'%s' keyring was not found.", keyring);
+		return EXIT_SUCCESS;
+	}
+
+	if (keyctl_clear(key) < 0) {
+		xlog_err("keyctl_clear(0x%x) failed: %m",
+				(unsigned int)key);
+		return EXIT_FAILURE;
+	}
+
+	if (verbose)
+		xlog_warn("'%s' cleared", keyring);
+	return EXIT_SUCCESS;
+}
+
+static int display_default_domain(void)
+{
+	char domain[NFS4_MAX_DOMAIN_LEN];
+	int rc;
+
+	rc = nfs4_get_default_domain(NULL, domain, NFS4_MAX_DOMAIN_LEN);
+	if (rc) {
+		xlog_errno(rc, "nfs4_get_default_domain failed: %m");
+		return EXIT_FAILURE;
+	}
+
+	printf("%s\n", domain);
+	return EXIT_SUCCESS;
+}
+
+static void list_key(key_serial_t key)
+{
+	char *buffer, *c;
+	int rc;
+
+	rc = keyctl_describe_alloc(key, &buffer);
+	if (rc < 0) {
+		switch (errno) {
+		case EKEYEXPIRED:
+			printf("Expired key not displayed\n");
+			break;
+		default:
+			xlog_err("Failed to describe key: %m");
+		}
+		return;
+	}
+
+	c = strrchr(buffer, ';');
+	if (!c) {
+		xlog_err("Unparsable key not displayed\n");
+		goto out_free;
+	}
+	printf("  %s\n", ++c);
+
+out_free:
+	free(buffer);
+}
+
+static void list_keys(const char *ring_name, key_serial_t ring_id)
+{
+	key_serial_t *key;
+	void *keylist;
+	int count;
+
+	count = keyctl_read_alloc(ring_id, &keylist);
+	if (count < 0) {
+		xlog_err("Failed to read keyring %s: %m", ring_name);
+		return;
+	}
+	count /= (int)sizeof(*key);
+
+	switch (count) {
+	case 0:
+		printf("No %s keys found.\n", ring_name);
+		break;
+	case 1:
+		printf("1 %s key found:\n", ring_name);
+		break;
+	default:
+		printf("%u %s keys found:\n", count, ring_name);
+	}
+
+	for (key = keylist; count--; key++)
+		list_key(*key);
+
+	free(keylist);
+}
+
+/*
+ * List all keys on a keyring
+ */
+static int list_keyring(const char *keyring)
+{
+	key_serial_t key;
+
+	key = find_key_by_type_and_desc("keyring", keyring, 0);
+	if (key == -1) {
+		xlog_err("'%s' keyring was not found.", keyring);
+		return EXIT_FAILURE;
+	}
+
+	list_keys(keyring, key);
+	return EXIT_SUCCESS;
+}
+
+/*
+ * Find either a user or group id based on the name@domain string
+ */
+static int id_lookup(char *name_at_domain, key_serial_t key, int type)
+{
+	char id[MAX_ID_LEN];
+	uid_t uid = 0;
+	gid_t gid = 0;
+	int rc;
+
+	if (type == USER) {
+		rc = nfs4_owner_to_uid(name_at_domain, &uid);
+		sprintf(id, "%u", uid);
+	} else {
+		rc = nfs4_group_owner_to_gid(name_at_domain, &gid);
+		sprintf(id, "%u", gid);
+	}
+	if (rc < 0) {
+		xlog_errno(rc, "id_lookup: %s: for %s failed: %m",
+			(type == USER ? "nfs4_owner_to_uid" : "nfs4_group_owner_to_gid"),
+			name_at_domain);
+		return EXIT_FAILURE;
+	}
+
+	rc = EXIT_SUCCESS;
+	if (keyctl_instantiate(key, id, strlen(id) + 1, 0)) {
+		switch (errno) {
+		case EDQUOT:
+		case ENFILE:
+		case ENOMEM:
+			/*
+			 * The keyring is full. Clear the keyring and try again
+			 */
+			rc = keyring_clear(DEFAULT_KEYRING);
+			if (rc)
+				break;
+			if (keyctl_instantiate(key, id, strlen(id) + 1, 0)) {
+				rc = EXIT_FAILURE;
+				xlog_err("id_lookup: keyctl_instantiate failed: %m");
+			}
+			break;
+		default:
+			rc = EXIT_FAILURE;
+			break;
+		}
+	}
+
+	return rc;
+}
+
+/*
+ * Find the name@domain string from either a user or group id
+ */
+static int name_lookup(char *id, key_serial_t key, int type)
+{
+	char name[IDMAP_NAMESZ];
+	char domain[NFS4_MAX_DOMAIN_LEN];
+	uid_t uid;
+	gid_t gid;
+	int rc;
+
+	rc = nfs4_get_default_domain(NULL, domain, NFS4_MAX_DOMAIN_LEN);
+	if (rc) {
+		xlog_errno(rc,
+			"name_lookup: nfs4_get_default_domain failed: %m");
+		return EXIT_FAILURE;
+	}
+
+	if (type == USER) {
+		uid = atoi(id);
+		rc = nfs4_uid_to_name(uid, domain, name, IDMAP_NAMESZ);
+	} else {
+		gid = atoi(id);
+		rc = nfs4_gid_to_name(gid, domain, name, IDMAP_NAMESZ);
+	}
+	if (rc) {
+		xlog_errno(rc, "name_lookup: %s: for %u failed: %m",
+			(type == USER ? "nfs4_uid_to_name" : "nfs4_gid_to_name"),
+			(type == USER ? uid : gid));
+		return EXIT_FAILURE;
+	}
+
+	rc = EXIT_SUCCESS;
+	if (keyctl_instantiate(key, &name, strlen(name), 0)) {
+		rc = EXIT_FAILURE;
+		xlog_err("name_lookup: keyctl_instantiate failed: %m");
+	}
+
+	return rc;
+}
+
+/*
+ * Revoke a key 
+ */
+static int key_invalidate(char *keystr, int keymask)
+{
+	FILE *fp;
+	char buf[BUFSIZ], *ptr;
+	unsigned int key;
+	int mask;
+
+	xlog_syslog(0);
+
+	if ((fp = fopen(PROCKEYS, "r")) == NULL) {
+		xlog_err("fopen(%s) failed: %m", PROCKEYS);
+		return EXIT_FAILURE;
+	}
+
+	while(fgets(buf, BUFSIZ, fp) != NULL) {
+		if (strstr(buf, "keyring") != NULL)
+			continue;
+
+		mask = 0;
+		if ((ptr = strstr(buf, "uid:")) != NULL)
+			mask = UIDKEYS;
+		else if ((ptr = strstr(buf, "gid:")) != NULL)
+			mask = GIDKEYS;
+		else 
+			continue;
+
+		if ((keymask & mask) == 0)
+			continue;
+
+		if (strncmp(ptr+4, keystr, strlen(keystr)) != 0)
+			continue;
+
+		if (verbose) {
+			*(strchr(buf, '\n')) = '\0';
+			xlog_warn("invalidating '%s'", buf);
+		}
+		/*
+		 * The key is the first arugment in the string
+		 */
+		*(strchr(buf, ' ')) = '\0';
+		sscanf(buf, "%x", &key);
+
+/* older libkeyutils compatibility */
+#ifndef KEYCTL_INVALIDATE
+#define KEYCTL_INVALIDATE 21      /* invalidate a key */
+#endif
+		if (keyctl(KEYCTL_INVALIDATE, key) < 0) {
+			if (errno != EOPNOTSUPP) {
+				xlog_err("keyctl_invalidate(0x%x) failed: %m", key);
+				fclose(fp);
+				return EXIT_FAILURE;
+			} else {
+				/* older kernel compatibility attempt: */
+				if (keyctl_revoke(key) < 0) {
+					xlog_err("keyctl_revoke(0x%x) failed: %m", key);
+					fclose(fp);
+					return EXIT_FAILURE;
+				}
+			}
+		}
+
+		keymask &= ~mask;
+		if (keymask == 0) {
+			fclose(fp);
+			return EXIT_SUCCESS;
+		}
+	}
+	xlog_err("'%s' key was not found.", keystr);
+	fclose(fp);
+	return EXIT_FAILURE;
+}
+
+int main(int argc, char **argv)
+{
+	char *arg;
+	char *value;
+	char *type;
+	int rc = 1, opt;
+	int timeout = 600;
+	key_serial_t key;
+	char *progname, *keystr = NULL;
+	int clearing = 0, keymask = 0, display = 0, list = 0;
+
+	/* Set the basename */
+	if ((progname = strrchr(argv[0], '/')) != NULL)
+		progname++;
+	else
+		progname = argv[0];
+
+	xlog_open(progname);
+
+	while ((opt = getopt(argc, argv, "hdu:g:r:ct:vl")) != -1) {
+		switch (opt) {
+		case 'd':
+			display++;
+			break;
+		case 'l':
+			list++;
+			break;
+		case 'u':
+			keymask = UIDKEYS;
+			keystr = strdup(optarg);
+			break;
+		case 'g':
+			keymask = GIDKEYS;
+			keystr = strdup(optarg);
+			break;
+		case 'r':
+			keymask = GIDKEYS|UIDKEYS;
+			keystr = strdup(optarg);
+			break;
+		case 'c':
+			clearing++;
+			break;
+		case 'v':
+			verbose++;
+			break;
+		case 't':
+			timeout = atoi(optarg);
+			break;
+		case 'h':
+		default:
+			xlog_warn(USAGE, progname);
+			exit(opt == 'h' ? 0 : 1);
+		}
+	}
+
+	if (geteuid() != 0) {
+		xlog_err("Must be run as root.");
+		return EXIT_FAILURE;
+	}
+
+	if ((rc = nfs4_init_name_mapping(PATH_IDMAPDCONF)))  {
+		xlog_errno(rc, "Unable to create name to user id mappings.");
+		return EXIT_FAILURE;
+	}
+	if (!verbose)
+		verbose = conf_get_num("General", "Verbosity", 0);
+
+	if (display)
+		return display_default_domain();
+	if (list)
+		return list_keyring(DEFAULT_KEYRING);
+	if (keystr) {
+		return key_invalidate(keystr, keymask);
+	}
+	if (clearing) {
+		xlog_syslog(0);
+		return keyring_clear(DEFAULT_KEYRING);
+	}
+
+	xlog_stderr(verbose);
+	if ((argc - optind) != 2) {
+		xlog_warn("Bad arg count. Check /etc/request-key.conf");
+		xlog_warn(USAGE, progname);
+		return EXIT_FAILURE;
+	}
+
+	if (verbose)
+		nfs4_set_debug(verbose, NULL);
+
+	key = strtol(argv[optind++], NULL, 10);
+
+	arg = xstrdup(argv[optind]);
+	type = strtok(arg, ":");
+	value = strtok(NULL, ":");
+	if (value == NULL) {
+		free(arg);
+		xlog_err("Error: Null uid/gid value.");
+		return EXIT_FAILURE;
+	}
+	if (verbose) {
+		xlog_warn("key: 0x%x type: %s value: %s timeout %d",
+			key, type, value, timeout);
+	}
+
+	/* Become a possesor of the to-be-instantiated key to set the key's timeout */
+	request_key("keyring", DEFAULT_KEYRING, NULL, KEY_SPEC_THREAD_KEYRING);
+
+	if (strcmp(type, "uid") == 0)
+		rc = id_lookup(value, key, USER);
+	else if (strcmp(type, "gid") == 0)
+		rc = id_lookup(value, key, GROUP);
+	else if (strcmp(type, "user") == 0)
+		rc = name_lookup(value, key, USER);
+	else if (strcmp(type, "group") == 0)
+		rc = name_lookup(value, key, GROUP);
+
+	/* Set timeout to 10 (600 seconds) minutes */
+	if (rc == EXIT_SUCCESS)
+		keyctl_set_timeout(key, timeout);
+
+	free(arg);
+	return rc;
+}
diff --git a/utils/nfsidmap/nfsidmap.man b/utils/nfsidmap/nfsidmap.man
new file mode 100644
index 0000000..1911c41
--- /dev/null
+++ b/utils/nfsidmap/nfsidmap.man
@@ -0,0 +1,159 @@
+.\"
+.\"@(#)nfsidmap(8) - The NFS idmapper upcall program
+.\"
+.\" Copyright (C) 2010 Bryan Schumaker <bjschuma@netapp.com>
+.TH nfsidmap 8 "1 October 2010"
+.SH NAME
+nfsidmap \- The NFS idmapper upcall program
+.SH SYNOPSIS
+.B "nfsidmap [-v] [-t timeout] key desc"
+.br
+.B "nfsidmap [-v] [-c]"
+.br
+.B "nfsidmap [-v] [-u|-g|-r user]"
+.br
+.B "nfsidmap -d"
+.br
+.B "nfsidmap -l"
+.br
+.B "nfsidmap -h"
+.SH DESCRIPTION
+The NFSv4 protocol represents the local system's UID and GID values
+on the wire as strings of the form
+.IR user@domain .
+The process of translating from UID to string and string to UID is
+referred to as "ID mapping."
+.PP
+The system derives the
+.I user
+part of the string by performing a password or group lookup.
+The lookup mechanism is configured in
+.IR /etc/idmapd.conf .
+.PP
+By default, the
+.I domain
+part of the string is the system's DNS domain name.
+It can also be specified in
+.I /etc/idmapd.conf
+if the system is multi-homed,
+or if the system's DNS domain name does
+not match the name of the system's Kerberos realm.
+.PP
+When the domain is not specified in 
+.I /etc/idmapd.conf
+the local DNS server will be queried for the 
+.I _nfsv4idmapdomain 
+text record. If the record exists
+that will be used as the domain. When the record
+does not exist, the domain part of the DNS domain
+will used. 
+.PP
+The
+.I /usr/sbin/nfsidmap
+program performs translations on behalf of the kernel.
+The kernel uses the request-key mechanism to perform
+an upcall.
+.I /usr/sbin/nfsidmap
+is invoked by /sbin/request-key, performs the translation,
+and initializes a key with the resulting information.
+The kernel then caches the translation results in the key.
+.PP
+.I nfsidmap
+can also clear cached ID map results in the kernel,
+or revoke one particular key.
+An incorrect cached key can result in file and directory ownership
+reverting to "nobody" on NFSv4 mount points.
+.PP
+In addition, the
+.B -d
+and
+.B -l
+options are available to help diagnose misconfigurations.
+They have no effect on the keyring containing ID mapping results.
+.SH OPTIONS
+.TP
+.B -c 
+Clear the keyring of all the keys.
+.TP
+.B -d
+Display the system's effective NFSv4 domain name on
+.IR stdout .
+.TP
+.B -g user
+Revoke the gid key of the given user.
+.TP
+.B -h
+Display usage message.
+.TP
+.B -l
+Display on
+.I stdout
+all keys currently in the keyring used to cache ID mapping results.
+These keys are visible only to the superuser.
+.TP
+.B -r user
+Revoke both the uid and gid key of the given user.
+.TP
+.B -t timeout
+Set the expiration timer, in seconds, on the key.
+The default is 600 seconds (10 mins).
+.TP
+.B -u user
+Revoke the uid key of the given user.
+.TP
+.B -v
+Increases the verbosity of the output to syslog 
+(can be specified multiple times).
+.SH CONFIGURING
+The file
+.I /etc/request-key.conf
+will need to be modified so
+.I /sbin/request-key
+can properly direct the upcall. The following line should be added before a call
+to keyctl negate:
+.PP
+create	id_resolver	*	*	/usr/sbin/nfsidmap -t 600 %k %d 
+.PP
+This will direct all id_resolver requests to the program
+.I /usr/sbin/nfsidmap.
+The 
+.B -t 600 
+defines how many seconds into the future the key will
+expire.  This is an optional parameter for
+.I /usr/sbin/nfsidmap
+and will default to 600 seconds when not specified.
+.PP
+The idmapper system uses four key descriptions:
+.PP
+	  uid: Find the UID for the given user
+.br
+	  gid: Find the GID for the given group
+.br
+	 user: Find the user name for the given UID
+.br
+	group: Find the group name for the given GID
+.PP
+You can choose to handle any of these individually, rather than using the
+generic upcall program.  If you would like to use your own program for a uid
+lookup then you would edit your request-key.conf so it looks similar to this:
+.PP
+create	id_resolver	uid:*	*	/some/other/program %k %d
+.br
+create	id_resolver	*		*	/usr/sbin/nfsidmap %k %d
+.PP
+Notice that the new line was added above the line for the generic program.
+request-key will find the first matching line and run the corresponding program.
+In this case, /some/other/program will handle all uid lookups, and
+/usr/sbin/nfsidmap will handle gid, user, and group lookups.
+.SH FILES
+.TP
+.I /etc/idmapd.conf
+ID mapping configuration file
+.TP
+.I /etc/request-key.conf
+Request key configuration file
+.SH "SEE ALSO"
+.BR idmapd.conf (5),
+.BR request-key (8)
+.SH AUTHOR
+Bryan Schumaker, <bjschuma@netapp.com>
diff --git a/utils/nfsref/Makefile.am b/utils/nfsref/Makefile.am
new file mode 100644
index 0000000..2409dd0
--- /dev/null
+++ b/utils/nfsref/Makefile.am
@@ -0,0 +1,37 @@
+##
+## @file utils/nfsref/Makefile.am
+## @brief Process this file with automake to produce utils/nfsref/Makefile.in
+##
+
+##
+## Copyright 2011, 2018 Oracle.  All rights reserved.
+##
+## This file is part of nfs-utils.
+##
+## nfs-utils is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License version 2.0 as
+## published by the Free Software Foundation.
+##
+## nfs-utils is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License version 2.0 for more details.
+##
+## You should have received a copy of the GNU General Public License
+## version 2.0 along with nfs-utils.  If not, see:
+##
+##	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+##
+
+noinst_HEADERS		= nfsref.h
+
+sbin_PROGRAMS		= nfsref
+nfsref_SOURCES		= add.c lookup.c nfsref.c remove.c
+LDADD			= ../../support/nfs/libnfs.la \
+			  ../../support/junction/libjunction.la \
+			  $(LIBXML2) $(LIBCAP)
+
+man8_MANS		= nfsref.man
+
+MAINTAINERCLEANFILES	= Makefile.in
+
diff --git a/utils/nfsref/Makefile.in b/utils/nfsref/Makefile.in
new file mode 100644
index 0000000..4080997
--- /dev/null
+++ b/utils/nfsref/Makefile.in
@@ -0,0 +1,828 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
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+  else \
+    false; \
+  fi; \
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+      ?) ;; \
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+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
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+      *=*|--*) continue;; \
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+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
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+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
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+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
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+subdir = utils/nfsref
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
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+	$(top_srcdir)/aclocal/ipv6.m4 \
+	$(top_srcdir)/aclocal/kerberos5.m4 \
+	$(top_srcdir)/aclocal/keyutils.m4 \
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+	$(top_srcdir)/aclocal/libcap.m4 \
+	$(top_srcdir)/aclocal/libevent.m4 \
+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
+	$(top_srcdir)/aclocal/rpcsec_vers.m4 \
+	$(top_srcdir)/aclocal/tcp-wrappers.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(noinst_HEADERS) \
+	$(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/support/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"
+PROGRAMS = $(sbin_PROGRAMS)
+am_nfsref_OBJECTS = add.$(OBJEXT) lookup.$(OBJEXT) nfsref.$(OBJEXT) \
+	remove.$(OBJEXT)
+nfsref_OBJECTS = $(am_nfsref_OBJECTS)
+nfsref_LDADD = $(LDADD)
+am__DEPENDENCIES_1 =
+nfsref_DEPENDENCIES = ../../support/nfs/libnfs.la \
+	../../support/junction/libjunction.la $(am__DEPENDENCIES_1) \
+	$(am__DEPENDENCIES_1)
+AM_V_lt = $(am__v_lt_@AM_V@)
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS) $(HEADERS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
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+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/add.Po
+	-rm -f ./$(DEPDIR)/lookup.Po
+	-rm -f ./$(DEPDIR)/nfsref.Po
+	-rm -f ./$(DEPDIR)/remove.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
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+dvi: dvi-am
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+html-am:
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+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/add.Po
+	-rm -f ./$(DEPDIR)/lookup.Po
+	-rm -f ./$(DEPDIR)/nfsref.Po
+	-rm -f ./$(DEPDIR)/remove.Po
+	-rm -f Makefile
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/nfsref/add.c b/utils/nfsref/add.c
new file mode 100644
index 0000000..781aeee
--- /dev/null
+++ b/utils/nfsref/add.c
@@ -0,0 +1,272 @@
+/**
+ * @file utils/nfsref/add.c
+ * @brief Add junction metadata to a local file system object
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <uuid/uuid.h>
+
+#include "junction.h"
+#include "xlog.h"
+#include "nfsref.h"
+
+/**
+ * Default cache expiration for FSN information
+ */
+#define FSN_DEFAULT_TTL		(300)
+
+/**
+ * Display help message for "add" subcommand
+ *
+ * @param progname NUL-terminated C string containing name of program
+ * @return program exit status
+ */
+int
+nfsref_add_help(const char *progname)
+{
+	fprintf(stderr, " \n");
+
+	fprintf(stderr, "Usage: %s [ -t type ] add <junction path> "
+			"<server> <export> [ <server> <export> ... ]\n\n",
+		progname);
+
+	fprintf(stderr, "Add a new junction containing the specified list "
+			"of fileset locations.\n");
+	fprintf(stderr, "<junction path> is the filename of the new junction.  "
+			"<server> is the hostname\n");
+	fprintf(stderr, "or IP address of an NFS server where the fileset is "
+			"located.  <export> is the\n");
+	fprintf(stderr, "export pathname of the fileset on that server.\n\n");
+
+	fprintf(stderr, "For NFS basic junctions, the location list is stored "
+			"locally in the junction.\n");
+	fprintf(stderr, "For FedFS junctions, the location list is stored "
+			"as new FSN and FSL records\n");
+	fprintf(stderr, "on an NSDB.\n");
+
+	return EXIT_SUCCESS;
+}
+
+/**
+ * Fill in default settings for NFSv4.0 fs_locations4
+ *
+ * @param new NFS location structure to fill in
+ *
+ * See section 5.1.3.2 of the NSDB protocol draft.
+ */
+static void
+nfsref_add_fsloc_defaults(struct nfs_fsloc *new)
+{
+	new->nfl_hostport = 0;
+	new->nfl_flags.nfl_varsub = false;
+	new->nfl_currency = -1;
+	new->nfl_validfor = 0;
+	new->nfl_genflags.nfl_writable = false;
+	new->nfl_genflags.nfl_going = false;
+	new->nfl_genflags.nfl_split = true;
+	new->nfl_transflags.nfl_rdma = true;
+	new->nfl_info.nfl_simul = 0;
+	new->nfl_info.nfl_handle = 0;
+	new->nfl_info.nfl_fileid = 0;
+	new->nfl_info.nfl_writever = 0;
+	new->nfl_info.nfl_change = 0;
+	new->nfl_info.nfl_readdir = 0;
+	new->nfl_info.nfl_readrank = 0;
+	new->nfl_info.nfl_readorder = 0;
+	new->nfl_info.nfl_writerank = 0;
+	new->nfl_info.nfl_writeorder = 0;
+}
+
+/**
+ * Convert a pair of command line arguments to one nfs_fsloc structure
+ *
+ * @param server NUL-terminated C string containing file server hostname
+ * @param rootpath NUL-terminated C string containing POSIX-style export path
+ * @param fsloc OUT: NFS location structure
+ * @return a FedFsStatus code
+ *
+ * If nfsref_add_build_fsloc() returns FEDFS_OK, caller must free the
+ * returned fsloc with nfs_free_location().
+ */
+static FedFsStatus
+nfsref_add_build_fsloc(const char *server, const char *rootpath,
+		struct nfs_fsloc **fsloc)
+{
+	struct nfs_fsloc *new;
+	FedFsStatus retval;
+
+	if (server == NULL || rootpath == NULL)
+		return FEDFS_ERR_INVAL;
+
+	xlog(D_GENERAL, "%s: Building fsloc for %s:%s",
+		__func__, server, rootpath);
+
+	new = nfs_new_location();
+	if (new == NULL) {
+		xlog(D_GENERAL, "%s: No memory", __func__);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	new->nfl_hostname = strdup(server);
+	if (new->nfl_hostname == NULL) {
+		nfs_free_location(new);
+		xlog(D_GENERAL, "%s: No memory", __func__);
+		return FEDFS_ERR_SVRFAULT;
+	}
+
+	retval = nsdb_posix_to_path_array(rootpath, &new->nfl_rootpath);
+	if (retval != FEDFS_OK) {
+		nfs_free_location(new);
+		return retval;
+	}
+
+	nfsref_add_fsloc_defaults(new);
+	*fsloc = new;
+	return FEDFS_OK;
+}
+
+/**
+ * Convert array of command line arguments to list of nfs_fsloc structures
+ *
+ * @param argv array of pointers to NUL-terminated C strings contains arguments
+ * @param optind index of "argv" where "add" subcommand arguments start
+ * @param fslocs OUT: list of NFS locations
+ * @return a FedFsStatus code
+ *
+ * If nfsref_add_build_fsloc_list() returns FEDFS_OK, caller must free the
+ * returned list of fslocs with nfs_free_locations().
+ */
+static FedFsStatus
+nfsref_add_build_fsloc_list(char **argv, int optind, struct nfs_fsloc **fslocs)
+{
+	struct nfs_fsloc *fsloc, *result = NULL;
+	FedFsStatus retval;
+	int i;
+
+	for (i = optind + 2; argv[i] != NULL; i += 2) {
+		retval = nfsref_add_build_fsloc(argv[i], argv[i + 1], &fsloc);
+		if (retval != FEDFS_OK) {
+			nfs_free_locations(result);
+			return retval;
+		}
+		if (result == NULL)
+			result = fsloc;
+		else
+			result->nfl_next = fsloc;
+	}
+	if (result == NULL)
+		return FEDFS_ERR_INVAL;
+
+	*fslocs = result;
+	return FEDFS_OK;
+}
+
+/**
+ * Add NFS locations to a junction
+ *
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @param argv array of pointers to NUL-terminated C strings contains arguments
+ * @param optind index of "argv" where "add" subcommand arguments start
+ * @return program exit status
+ */
+static int
+nfsref_add_nfs_basic(const char *junct_path, char **argv, int optind)
+{
+	struct nfs_fsloc *fslocs = NULL;
+	FedFsStatus retval;
+
+	xlog(D_GENERAL, "%s: Adding basic junction to %s",
+		__func__, junct_path);
+
+	retval = nfsref_add_build_fsloc_list(argv, optind, &fslocs);
+	switch (retval) {
+	case FEDFS_OK:
+		break;
+	case FEDFS_ERR_INVAL:
+		xlog(L_ERROR, "Missing arguments");
+		return EXIT_FAILURE;
+	case FEDFS_ERR_SVRFAULT:
+		xlog(L_ERROR, "No memory");
+		return EXIT_FAILURE;
+	default:
+		xlog(L_ERROR, "Failed to add NFS location metadata to %s: %s",
+			junct_path, nsdb_display_fedfsstatus(retval));
+		return EXIT_FAILURE;
+	}
+
+	retval = nfs_add_junction(junct_path, fslocs);
+	nfs_free_locations(fslocs);
+	switch (retval) {
+	case FEDFS_OK:
+		break;
+	case FEDFS_ERR_EXIST:
+		xlog(L_ERROR, "%s already contains junction metadata",
+			junct_path);
+		return EXIT_FAILURE;
+	default:
+		xlog(L_ERROR, "Failed to add NFS location metadata to %s: %s",
+			junct_path, nsdb_display_fedfsstatus(retval));
+		return EXIT_FAILURE;
+	}
+
+	printf("Created junction %s\n", junct_path);
+	return EXIT_SUCCESS;
+}
+
+/**
+ * Add locations to a junction
+ *
+ * @param type type of junction to add
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @param argv array of pointers to NUL-terminated C strings contains arguments
+ * @param optind index of "argv" where "add" subcommand arguments start
+ * @return program exit status
+ */
+int
+nfsref_add(enum nfsref_type type, const char *junct_path, char **argv, int optind)
+{
+	if (mkdir(junct_path, 0755) == -1)
+		if (errno != EEXIST) {
+			xlog(L_ERROR, "Failed to create junction object: %m");
+			return EXIT_FAILURE;
+		}
+
+	switch (type) {
+	case NFSREF_TYPE_UNSPECIFIED:
+	case NFSREF_TYPE_NFS_BASIC:
+		return nfsref_add_nfs_basic(junct_path, argv, optind);
+	default:
+		xlog(L_ERROR, "Unrecognized junction type");
+	}
+	return EXIT_FAILURE;
+}
diff --git a/utils/nfsref/lookup.c b/utils/nfsref/lookup.c
new file mode 100644
index 0000000..16fca2e
--- /dev/null
+++ b/utils/nfsref/lookup.c
@@ -0,0 +1,211 @@
+/**
+ * @file utils/nfsref/lookup.c
+ * @brief Examine junction metadata from a local file system object
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <rpcsvc/nfs_prot.h>
+
+#include "junction.h"
+#include "xlog.h"
+#include "nfsref.h"
+
+/**
+ * Display help message for "lookup" subcommand
+ *
+ * @param progname NUL-terminated C string containing name of program
+ * @return program exit status
+ */
+int
+nfsref_lookup_help(const char *progname)
+{
+	fprintf(stderr, " \n");
+
+	fprintf(stderr, "Usage: %s [ -t type ] lookup <junction path>\n\n",
+		progname);
+
+	fprintf(stderr, "Display the contents of the junction at "
+			"<junction path>.  For NFS basic\n");
+	fprintf(stderr, "junctions, the local contents of the junction "
+			"are displayed.  For FedFS\n");
+	fprintf(stderr, "junctions, FSL records are retrieved from the "
+			"NSDB and displayed.\n");
+
+	return EXIT_SUCCESS;
+}
+
+/**
+ * Convert a boolean value into a displayable string constant
+ *
+ * @param value boolean value
+ * @return NUL-terminated static constant C string
+ */
+static const char *
+nfsref_lookup_display_boolean(_Bool value)
+{
+	return value ? "true" : "false";
+}
+
+/**
+ * Display a single NFS location
+ *
+ * @param fsloc pointer to an NFS location structure
+ */
+static void
+nfsref_lookup_display_nfs_location(struct nfs_fsloc *fsloc)
+{
+	char *rootpath;
+
+	if (nsdb_path_array_to_posix(fsloc->nfl_rootpath, &rootpath) == FEDFS_OK) {
+		printf("%s:%s\n", fsloc->nfl_hostname, rootpath);
+		free(rootpath);
+	} else
+		printf("%s: - Invalid root path -\n", fsloc->nfl_hostname);
+	printf("\n");
+
+	printf("\tNFS port:\t%u\n", fsloc->nfl_hostport);
+	printf("\tValid for:\t%d\n", fsloc->nfl_validfor);
+	printf("\tCurrency:\t%d\n", fsloc->nfl_currency);
+	printf("\tFlags:\t\tvarsub(%s)\n",
+		nfsref_lookup_display_boolean(fsloc->nfl_flags.nfl_varsub));
+
+	printf("\tGenFlags:\twritable(%s), going(%s), split(%s)\n",
+		nfsref_lookup_display_boolean(fsloc->nfl_genflags.nfl_writable),
+		nfsref_lookup_display_boolean(fsloc->nfl_genflags.nfl_going),
+		nfsref_lookup_display_boolean(fsloc->nfl_genflags.nfl_split));
+	printf("\tTransFlags:\trdma(%s)\n",
+		nfsref_lookup_display_boolean(fsloc->nfl_transflags.nfl_rdma));
+
+	printf("\tClass:\t\tsimul(%u), handle(%u), fileid(%u)\n",
+		fsloc->nfl_info.nfl_simul,
+		fsloc->nfl_info.nfl_handle,
+		fsloc->nfl_info.nfl_fileid);
+	printf("\tClass:\t\twritever(%u), change(%u), readdir(%u)\n",
+		fsloc->nfl_info.nfl_writever,
+		fsloc->nfl_info.nfl_change,
+		fsloc->nfl_info.nfl_readdir);
+	printf("\tRead:\t\trank(%u), order(%u)\n",
+		fsloc->nfl_info.nfl_readrank, fsloc->nfl_info.nfl_readorder);
+	printf("\tWrite:\t\trank(%u), order(%u)\n",
+		fsloc->nfl_info.nfl_writerank, fsloc->nfl_info.nfl_writeorder);
+
+	printf("\n");
+}
+
+/**
+ * Display a list of NFS locations
+ *
+ * @param fslocs list of NFS locations to display
+ */
+static void
+nfsref_lookup_display_nfs_locations(struct nfs_fsloc *fslocs)
+{
+	struct nfs_fsloc *fsloc;
+
+	for (fsloc = fslocs; fsloc != NULL; fsloc = fsloc->nfl_next)
+		nfsref_lookup_display_nfs_location(fsloc);
+}
+
+/**
+ * List NFS locations in an nfs-basic junction
+ *
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @return program exit status
+ */
+static int
+nfsref_lookup_nfs_basic(const char *junct_path)
+{
+	struct nfs_fsloc *fslocs = NULL;
+	FedFsStatus retval;
+
+	xlog(D_GENERAL, "%s: Looking up basic junction in %s",
+		__func__, junct_path);
+
+	retval = nfs_is_junction(junct_path);
+	switch (retval) {
+	case FEDFS_OK:
+		break;
+	case FEDFS_ERR_NOTJUNCT:
+		xlog(L_ERROR, "%s is not an nfs-basic junction", junct_path);
+		return EXIT_FAILURE;
+	default:
+		xlog(L_ERROR, "Failed to access %s: %s",
+			junct_path, nsdb_display_fedfsstatus(retval));
+		return EXIT_FAILURE;
+	}
+
+	retval = nfs_get_locations(junct_path, &fslocs);
+	if (retval != FEDFS_OK) {
+		xlog(L_ERROR, "Failed to access %s: %s",
+			junct_path, nsdb_display_fedfsstatus(retval));
+		return EXIT_FAILURE;
+	}
+
+	nfsref_lookup_display_nfs_locations(fslocs);
+
+	nfs_free_locations(fslocs);
+	return EXIT_SUCCESS;
+}
+
+/**
+ * Resolve either a FedFS or NFS basic junction
+ *
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @return program exit status
+ */
+static int
+nfsref_lookup_unspecified(const char *junct_path)
+{
+	FedFsStatus retval;
+
+	retval = nfs_is_junction(junct_path);
+	if (retval == FEDFS_OK)
+		return nfsref_lookup_nfs_basic(junct_path);
+	xlog(L_ERROR, "%s is not a junction", junct_path);
+	return EXIT_FAILURE;
+}
+
+/**
+ * Enumerate metadata of a junction
+ *
+ * @param type type of junction to add
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @return program exit status
+ */
+int
+nfsref_lookup(enum nfsref_type type, const char *junct_path)
+{
+	switch (type) {
+	case NFSREF_TYPE_UNSPECIFIED:
+		return nfsref_lookup_unspecified(junct_path);
+	case NFSREF_TYPE_NFS_BASIC:
+		return nfsref_lookup_nfs_basic(junct_path);
+	default:
+		xlog(L_ERROR, "Unrecognized junction type");
+	}
+	return EXIT_FAILURE;
+}
diff --git a/utils/nfsref/nfsref.c b/utils/nfsref/nfsref.c
new file mode 100644
index 0000000..7f97d01
--- /dev/null
+++ b/utils/nfsref/nfsref.c
@@ -0,0 +1,189 @@
+/**
+ * @file utils/nfsref/nfsref.c
+ * @brief Manage NFS referrals
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <sys/types.h>
+#include <sys/capability.h>
+#include <sys/prctl.h>
+#include <sys/stat.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <time.h>
+
+#include <locale.h>
+#include <langinfo.h>
+
+#include "junction.h"
+#include "xlog.h"
+#include "nfsref.h"
+
+/**
+ * Short form command line options
+ */
+static const char nfsref_opts[] = "?dt:";
+
+/**
+ * Long form command line options
+ */
+static const struct option nfsref_longopts[] = {
+	{ "debug", 0, NULL, 'd', },
+	{ "help", 0, NULL, '?', },
+	{ "type", 1, NULL, 't', },
+	{ NULL, 0, NULL, 0, },
+};
+
+/**
+ * Display program synopsis
+ *
+ * @param progname NUL-terminated C string containing name of program
+ */
+static void
+nfsref_usage(const char *progname)
+{
+	fprintf(stderr, "Usage: %s [ -t type ] SUBCOMMAND [ ARGUMENTS ]\n\n",
+		progname);
+
+	fprintf(stderr, "SUBCOMMAND is one of:\n");
+	fprintf(stderr, "\tadd        Add a new junction\n");
+	fprintf(stderr, "\tremove     Remove an existing junction\n");
+	fprintf(stderr, "\tlookup     Enumerate a junction\n");
+
+	fprintf(stderr, "\nUse \"%s SUBCOMMAND -?\" for details.\n", progname);
+}
+
+/**
+ * Program entry point
+ *
+ * @param argc count of command line arguments
+ * @param argv array of NUL-terminated C strings containing command line arguments
+ * @return program exit status
+ */
+int
+main(int argc, char **argv)
+{
+	char *progname, *subcommand, *junct_path;
+	enum nfsref_type type;
+	int arg, exit_status;
+	_Bool help;
+
+	(void)setlocale(LC_ALL, "");
+	(void)umask(S_IWGRP | S_IWOTH);
+
+	exit_status = EXIT_FAILURE;
+
+	/* Set the basename */
+	if ((progname = strrchr(argv[0], '/')) != NULL)
+		progname++;
+	else
+		progname = argv[0];
+
+	xlog_stderr(1);
+	xlog_syslog(0);
+	xlog_open(progname);
+
+	if (argc < 2) {
+		nfsref_usage(progname);
+		goto out;
+	}
+
+	help = false;
+	type = NFSREF_TYPE_UNSPECIFIED;
+	while ((arg = getopt_long(argc, argv, nfsref_opts,
+			nfsref_longopts, NULL)) != -1) {
+		switch (arg) {
+		case 'd':
+			xlog_config(D_ALL, 1);
+			break;
+		case 't':
+			if (strcmp(optarg, "nfs-basic") == 0)
+				type = NFSREF_TYPE_NFS_BASIC;
+			else if (strcmp(optarg, "nfs-fedfs") == 0)
+				type = NFSREF_TYPE_NFS_FEDFS;
+			else {
+				xlog(L_ERROR,
+					"Unrecognized junction type: %s",
+					optarg);
+				exit(EXIT_FAILURE);
+			}
+			break;
+		case '?':
+			help = true;
+		}
+	}
+
+	if (argc < optind + 1) {
+		nfsref_usage(progname);
+		goto out;
+	}
+
+	if (!help && geteuid() != 0) {
+		xlog(L_ERROR, "Root permission is required");
+		goto out;
+	}
+
+	subcommand = argv[optind];
+	junct_path = argv[optind + 1];
+
+	if (strcasecmp(subcommand, "add") == 0) {
+		if (help) {
+			exit_status = nfsref_add_help(progname);
+			goto out;
+		}
+		if (argc < optind + 3) {
+			xlog(L_ERROR, "Not enough positional parameters");
+			nfsref_usage(progname);
+			goto out;
+		}
+		exit_status = nfsref_add(type, junct_path, argv, optind);
+		if (exit_status == EXIT_SUCCESS)
+			(void)junction_flush_exports_cache();
+	} else if (strcasecmp(subcommand, "remove") == 0) {
+		if (help) {
+			exit_status = nfsref_remove_help(progname);
+			goto out;
+		}
+		exit_status = nfsref_remove(type, junct_path);
+		if (exit_status == EXIT_SUCCESS)
+			(void)junction_flush_exports_cache();
+	} else if (strcasecmp(subcommand, "lookup") == 0) {
+		if (help) {
+			exit_status = nfsref_lookup_help(progname);
+			goto out;
+		}
+		exit_status = nfsref_lookup(type, junct_path);
+	} else {
+		xlog(L_ERROR, "Unrecognized subcommand: %s", subcommand);
+		nfsref_usage(progname);
+	}
+
+out:
+	exit(exit_status);
+}
diff --git a/utils/nfsref/nfsref.h b/utils/nfsref/nfsref.h
new file mode 100644
index 0000000..bf0e70e
--- /dev/null
+++ b/utils/nfsref/nfsref.h
@@ -0,0 +1,47 @@
+/**
+ * @file support/nfsref/nfsref.h
+ * @brief Declarations and definitions for nfsref command line tool
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#ifndef UTILS_NFSREF_H
+#define UTILS_NFSREF_H
+
+/**
+ * Junction types supported by the "nfsref" command
+ */
+enum nfsref_type {
+	NFSREF_TYPE_UNSPECIFIED = 1,
+	NFSREF_TYPE_NFS_BASIC,
+	NFSREF_TYPE_NFS_FEDFS
+};
+
+int	 nfsref_add(enum nfsref_type type, const char *junct_path, char **argv,
+				int optind);
+int	 nfsref_remove(enum nfsref_type type, const char *junct_path);
+int	 nfsref_lookup(enum nfsref_type type, const char *junct_path);
+
+int	 nfsref_add_help(const char *progname);
+int	 nfsref_remove_help(const char *progname);
+int	 nfsref_lookup_help(const char *progname);
+
+#endif	/* !UTILS_NFSREF_H */
diff --git a/utils/nfsref/nfsref.man b/utils/nfsref/nfsref.man
new file mode 100644
index 0000000..1261549
--- /dev/null
+++ b/utils/nfsref/nfsref.man
@@ -0,0 +1,180 @@
+.\"@(#)nfsref.8"
+.\"
+.\" @file utils/nfsref/nfsref.man
+.\" @brief man page for nfsref command
+.\"
+
+.\"
+.\" Copyright 2011, 2018 Oracle.  All rights reserved.
+.\"
+.\" This file is part of nfs-utils.
+.\"
+.\" nfs-utils is free software; you can redistribute it and/or modify
+.\" it under the terms of the GNU General Public License version 2.0 as
+.\" published by the Free Software Foundation.
+.\"
+.\" nfs-utils is distributed in the hope that it will be useful, but
+.\" WITHOUT ANY WARRANTY; without even the implied warranty of
+.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+.\" GNU General Public License version 2.0 for more details.
+.\"
+.\" You should have received a copy of the GNU General Public License
+.\" version 2.0 along with nfs-utils.  If not, see:
+.\"
+.\"	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+.\"
+.TH NFSREF 8 "9 Jan 2018"
+.SH NAME
+nfsref \- manage NFS referrals
+.SH SYNOPSIS
+.B nfsref
+.RB [ \-?d ]
+.RB [ \-t
+.IB type ]
+.B add
+.I pathname server export
+.RI [ " server"
+.IR export " ... ]"
+.P
+.B nfsref
+.RB [ \-?d ]
+.RB [ \-t
+.IB type ]
+.B remove
+.I pathname
+.P
+.B nfsref
+.RB [ \-?d ]
+.RB [ \-t
+.IB type ]
+.B lookup
+.I pathname
+.SH INTRODUCTION
+NFS version 4 introduces the concept of
+.I file system referrals
+to NFS.
+A file system referral is like a symbolic link on a file server
+to another file system share, possibly on another file server.
+On an NFS client, a referral behaves like an automounted directory.
+The client, under the server's direction, mounts a new NFS export
+automatically when an application first accesses that directory.
+.P
+Referrals are typically used to construct a single file name space
+across multiple file servers.
+Because file servers control the shape of the name space,
+no client configuration is required,
+and all clients see the same referral information.
+.P
+The Linux NFS server supports NFS version 4 referrals.
+Administrators can specify the
+.B refer=
+export option in
+.I /etc/exports
+to configure a list of exports from which the client can choose.
+See
+.BR exports (5)
+for details.
+.P
+.SH DESCRIPTION
+The
+.BR nfsref (8)
+command is a simple way to get started managing junction metadata.
+Other administrative commands provide richer access to junction information.
+.SS Subcommands
+Valid
+.BR nfsref (8)
+subcommands are:
+.IP "\fBadd\fP"
+Adds junction information to the directory named by
+.IR pathname .
+The named directory must already exist,
+and must not already contain junction information.
+Regular directory contents are obscured to NFS clients by this operation.
+.IP
+A list of one or more file server and export path pairs
+is also specified on the command line.
+When creating an NFS basic junction, this list is
+stored in an extended attribute of the directory.
+.IP
+If junction creation is successful, the
+.BR nfsref (8)
+command flushes the kernel's export cache
+to remove previously cached junction information.
+.IP "\fBremove\fP"
+Removes junction information from the directory named by
+.IR pathname .
+The named directory must exist,
+and must contain junction information.
+Regular directory contents are made visible to NFS clients again by this operation.
+.IP
+If junction deletion is successful, the
+.BR nfsref (8)
+command flushes the kernel's export cache
+to remove previously cached junction information.
+.IP "\fBlookup\fP"
+Displays junction information stored in the directory named by
+.IR pathname .
+The named directory must exist,
+and must contain junction information.
+.IP
+When looking up an NFS basic junction, the junction information
+in the directory is listed on
+.IR stdout .
+.SS Command line options
+.IP "\fB\-d, \-\-debug"
+Enables debugging messages during operation.
+.IP "\fB\-t, \-\-type=\fIjunction-type\fP"
+Specifies the junction type for the operation.  Valid values for
+.I junction-type
+are
+.B nfs-basic
+or
+.BR nfs-fedfs .
+.IP
+For the
+.B add
+subcommand, the default value if this option is not specified is
+.BR nfs-basic .
+For the
+.B remove
+and
+.B lookup
+subcommands, the
+.B \-\-type
+option is not required.  The
+.BR nfsref (8)
+command operates on whatever junction contents are available.
+.SH EXAMPLES
+Suppose you have two file servers,
+.I top.example.net
+and
+.IR home.example.net .
+You want all your clients to mount
+.I top.example.net:/
+and then see the files under
+.I home.example.net:/
+automatically in
+.IR top:/home .
+.P
+On
+.IR top.example.net ,
+you might issue this command as root:
+.RS
+.sp
+# mkdir /home
+.br
+# nfsref --type=nfs-basic add /home home.example.net /
+.br
+Created junction /home.
+.sp
+.RE
+.SH FILES
+.TP
+.I /etc/exports
+NFS server export table
+.SH "SEE ALSO"
+.BR exports (5)
+.sp
+RFC 5661 for a description of NFS version 4 referrals
+.SH "AUTHOR"
+Chuck Lever <chuck.lever@oracle.com>
diff --git a/utils/nfsref/remove.c b/utils/nfsref/remove.c
new file mode 100644
index 0000000..1a4e371
--- /dev/null
+++ b/utils/nfsref/remove.c
@@ -0,0 +1,145 @@
+/**
+ * @file utils/nfsref/remove.c
+ * @brief Remove junction metadata from a local file system object
+ */
+
+/*
+ * Copyright 2011, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <unistd.h>
+#include <errno.h>
+
+#include "junction.h"
+#include "xlog.h"
+#include "nfsref.h"
+
+/**
+ * Display help message for "remove" subcommand
+ *
+ * @param progname NUL-terminated C string containing name of program
+ * @return program exit status
+ */
+int
+nfsref_remove_help(const char *progname)
+{
+	fprintf(stderr, " \n");
+
+	fprintf(stderr, "Usage: %s [ -t type ] remove <junction path>\n\n",
+		progname);
+
+	fprintf(stderr, "Remove the junction at <junction path>.  For FedFS "
+			"junctions, FSL and FSN\n");
+	fprintf(stderr, "records are removed from the NSDB.\n");
+
+	return EXIT_SUCCESS;
+}
+
+/**
+ * Remove an NFS locations-style junction
+ *
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @return program exit status
+ */
+static int
+nfsref_remove_nfs_basic(const char *junct_path)
+{
+	int status = EXIT_FAILURE;
+	FedFsStatus retval;
+
+	xlog(D_GENERAL, "%s: Removing FedFS junction from %s",
+		__func__, junct_path);
+
+	retval = nfs_delete_junction(junct_path);
+	switch (retval) {
+	case FEDFS_OK:
+		printf("Removed nfs-basic junction from %s\n", junct_path);
+		status = EXIT_SUCCESS;
+		break;
+	case FEDFS_ERR_NOTJUNCT:
+		xlog(L_ERROR, "%s is not an nfs-basic junction", junct_path);
+		break;
+	default:
+		xlog(L_ERROR, "Failed to delete %s: %s",
+			junct_path, nsdb_display_fedfsstatus(retval));
+	}
+
+	return status;
+}
+
+/**
+ * Remove any NFS junction information
+ *
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @return program exit status
+ */
+static int
+nfsref_remove_unspecified(const char *junct_path)
+{
+	FedFsStatus retval;
+
+	xlog(D_GENERAL, "%s: Removing junction from %s",
+		__func__, junct_path);
+
+	retval = nfs_delete_junction(junct_path);
+	if (retval != FEDFS_OK) {
+		if (retval != FEDFS_ERR_NOTJUNCT)
+			goto out_err;
+	}
+
+	printf("Removed junction from %s\n", junct_path);
+	return EXIT_SUCCESS;
+
+out_err:
+	switch (retval) {
+	case FEDFS_ERR_NOTJUNCT:
+		xlog(L_ERROR, "No junction information found in %s", junct_path);
+		break;
+	default:
+		xlog(L_ERROR, "Failed to delete %s: %s",
+			junct_path, nsdb_display_fedfsstatus(retval));
+	}
+	return EXIT_FAILURE;
+}
+
+/**
+ * Remove an NFS junction
+ *
+ * @param type type of junction to add
+ * @param junct_path NUL-terminated C string containing pathname of junction
+ * @return program exit status
+ */
+int
+nfsref_remove(enum nfsref_type type, const char *junct_path)
+{
+	switch (type) {
+	case NFSREF_TYPE_UNSPECIFIED:
+		return nfsref_remove_unspecified(junct_path);
+	case NFSREF_TYPE_NFS_BASIC:
+		return nfsref_remove_nfs_basic(junct_path);
+	default:
+		xlog(L_ERROR, "Unrecognized junction type");
+	}
+	return EXIT_FAILURE;
+}
diff --git a/utils/nfsstat/Makefile.am b/utils/nfsstat/Makefile.am
new file mode 100644
index 0000000..d1555a7
--- /dev/null
+++ b/utils/nfsstat/Makefile.am
@@ -0,0 +1,12 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= nfsstat.man
+EXTRA_DIST	= $(man8_MANS)
+
+sbin_PROGRAMS	= nfsstat
+nfsstat_SOURCES = nfsstat.c
+nfsstat_LDADD = ../../support/export/libexport.a \
+	      	../../support/nfs/libnfs.la \
+		../../support/misc/libmisc.a
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/utils/nfsstat/Makefile.in b/utils/nfsstat/Makefile.in
new file mode 100644
index 0000000..f964d10
--- /dev/null
+++ b/utils/nfsstat/Makefile.in
@@ -0,0 +1,811 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
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+	      $$unique; \
+	  fi; \
+	fi
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+
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+
+GTAGS:
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
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+
+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
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+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+	    || cp -p $$d/$$file "$(distdir)/$$file" \
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+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
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+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/nfsstat.Po
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+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
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+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/nfsstat/nfsstat.c b/utils/nfsstat/nfsstat.c
new file mode 100644
index 0000000..ca84532
--- /dev/null
+++ b/utils/nfsstat/nfsstat.c
@@ -0,0 +1,1183 @@
+/*
+ * nfsstat.c		Output NFS statistics
+ *
+ * Copyright (C) 1995-2005 Olaf Kirch <okir@suse.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define NFSSRVSTAT	"/proc/net/rpc/nfsd"
+#define NFSCLTSTAT	"/proc/net/rpc/nfs"
+
+#define MOUNTSFILE	"/proc/mounts"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include <time.h>
+
+#define MAXNRVALS	32
+
+enum {
+	SRVPROC2_SZ = 18,
+	CLTPROC2_SZ = 18,
+	SRVPROC3_SZ = 22,
+	CLTPROC3_SZ = 22,
+	SRVPROC4_SZ = 2,
+	CLTPROC4_SZ = 59,
+	SRVPROC4OPS_SZ = 71,
+};
+
+static unsigned int	srvproc2info[SRVPROC2_SZ+2],
+			srvproc2info_old[SRVPROC2_SZ+2];	/* NFSv2 call counts ([0] == 18) */
+static unsigned int	cltproc2info[CLTPROC2_SZ+2],
+			cltproc2info_old[CLTPROC2_SZ+2];	/* NFSv2 call counts ([0] == 18) */
+static unsigned int	srvproc3info[SRVPROC3_SZ+2],
+			srvproc3info_old[SRVPROC3_SZ+2];	/* NFSv3 call counts ([0] == 22) */
+static unsigned int	cltproc3info[CLTPROC3_SZ+2],
+			cltproc3info_old[CLTPROC3_SZ+2];	/* NFSv3 call counts ([0] == 22) */
+static unsigned int	srvproc4info[SRVPROC4_SZ+2],
+			srvproc4info_old[SRVPROC4_SZ+2];	/* NFSv4 call counts ([0] == 2) */
+static unsigned int	cltproc4info[CLTPROC4_SZ+2],
+			cltproc4info_old[CLTPROC4_SZ+2];	/* NFSv4 call counts ([0] == 49) */
+static unsigned int	srvproc4opsinfo[SRVPROC4OPS_SZ+2],
+			srvproc4opsinfo_old[SRVPROC4OPS_SZ+2];	/* NFSv4 call counts ([0] == 59) */
+static unsigned int	srvnetinfo[5], srvnetinfo_old[5];	/* 0  # of received packets
+								 * 1  UDP packets
+								 * 2  TCP packets
+								 * 3  TCP connections
+								 */
+static unsigned int	cltnetinfo[5], cltnetinfo_old[5];	/* 0  # of received packets
+								 * 1  UDP packets
+								 * 2  TCP packets
+								 * 3  TCP connections
+								 */
+
+static unsigned int	srvrpcinfo[6], srvrpcinfo_old[6];	/* 0  total # of RPC calls
+								 * 1  total # of bad calls
+								 * 2  bad format
+								 * 3  authentication failed
+								 * 4  unknown client
+								 */
+static unsigned int	cltrpcinfo[4], cltrpcinfo_old[4];	/* 0  total # of RPC calls
+								 * 1  retransmitted calls
+								 * 2  cred refreshs
+								 */
+
+static unsigned int	srvrcinfo[9], srvrcinfo_old[9];		/* 0  repcache hits
+								 * 1  repcache hits
+								 * 2  uncached reqs
+								 * (for pre-2.4 kernels:)
+								 * 3  FH lookups
+								 * 4  'anon' FHs
+								 * 5  noncached non-directories
+								 * 6  noncached directories
+								 * 7  stale
+								 */
+
+static unsigned int	srvfhinfo[7], srvfhinfo_old[7];		/* (for kernels >= 2.4.0)
+								 * 0  stale
+								 * 1  FH lookups
+								 * 2  'anon' FHs
+								 * 3  noncached directories
+								 * 4  noncached non-directories
+								 * leave hole to relocate stale for order
+								 *    compatability.
+								 */
+
+static unsigned int	srvioinfo[3], srvioinfo_old[3];		/* 0  bytes read
+								 * 1  bytes written
+								 */
+
+static unsigned int	srvrainfo[13], srvrainfo_old[13];	/* 0  ra cache size
+								 * 1..11 depth of ra cache hit
+								 * 12 ra cache misses
+								 */
+
+static const char *	nfsv2name[SRVPROC2_SZ] = {
+	"null", "getattr", "setattr", "root",   "lookup",  "readlink",
+	"read", "wrcache", "write",   "create", "remove",  "rename",
+	"link", "symlink", "mkdir",   "rmdir",  "readdir", "fsstat"
+};
+
+static const char *	nfsv3name[SRVPROC3_SZ] = {
+	"null",   "getattr", "setattr",  "lookup", "access",  "readlink",
+	"read",   "write",   "create",   "mkdir",  "symlink", "mknod",
+	"remove", "rmdir",   "rename",   "link",   "readdir", "readdirplus",
+	"fsstat", "fsinfo",  "pathconf", "commit"
+};
+
+static const char *	nfssrvproc4name[SRVPROC4_SZ] = {
+	"null",
+	"compound",
+};
+
+static const char *	nfscltproc4name[CLTPROC4_SZ] = {
+	"null",      "read",      "write",   "commit",      "open",        "open_conf",
+	"open_noat", "open_dgrd", "close",   "setattr",     "fsinfo",      "renew",
+	"setclntid", "confirm",   "lock",
+	"lockt",     "locku",     "access",  "getattr",     "lookup",      "lookup_root",
+	"remove",    "rename",    "link",    "symlink",     "create",      "pathconf",
+	"statfs",    "readlink",  "readdir", "server_caps", "delegreturn", "getacl",
+	"setacl",    "fs_locations",
+	"rel_lkowner", "secinfo", "fsid_present",
+	/* nfsv4.1 client ops */
+	"exchange_id",
+	"create_session",
+	"destroy_session",
+	"sequence",
+	"get_lease_time",
+	"reclaim_comp",
+	"layoutget",
+	"getdevinfo",
+	"layoutcommit",
+	"layoutreturn",
+	"secinfo_no",
+	"test_stateid",
+	"free_stateid",
+	"getdevicelist",
+	"bind_conn_to_ses",
+	"destroy_clientid",
+	/* nfsv4.2 client ops */
+	"seek",
+	"allocate",
+	"deallocate",
+	"layoutstats",
+	"clone",
+};
+
+static const char *     nfssrvproc4opname[SRVPROC4OPS_SZ] = {
+        "op0-unused",   "op1-unused", "op2-future",  "access",     "close",       "commit",
+        "create",       "delegpurge", "delegreturn", "getattr",    "getfh",       "link",
+        "lock",         "lockt",      "locku",       "lookup",     "lookup_root", "nverify",
+        "open",         "openattr",   "open_conf",   "open_dgrd",  "putfh",       "putpubfh",
+        "putrootfh",    "read",       "readdir",     "readlink",   "remove",      "rename",
+        "renew",        "restorefh",  "savefh",      "secinfo",    "setattr",     "setcltid",
+        "setcltidconf", "verify",     "write",       "rellockowner",
+	/* nfsv4.1 server ops */
+	"bc_ctl",
+	"bind_conn",
+	"exchange_id",
+	"create_ses",
+	"destroy_ses",
+	"free_stateid",
+	"getdirdeleg",
+	"getdevinfo",
+	"getdevlist",
+	"layoutcommit",
+	"layoutget",
+	"layoutreturn",
+	"secinfononam",
+	"sequence",
+	"set_ssv",
+	"test_stateid",
+	"want_deleg",
+	"destroy_clid",
+	"reclaim_comp",
+	/* nfsv4.2 server ops */
+	"allocate",
+	"copy",
+	"copy_notify",
+	"deallocate",
+	"ioadvise",
+	"layouterror",
+	"layoutstats",
+	"offloadcancel",
+	"offloadstatus",
+	"readplus",
+	"seek",
+	"write_same",
+};
+
+#define LABEL_srvnet		"Server packet stats:\n"
+#define LABEL_srvrpc		"Server rpc stats:\n"
+#define LABEL_srvrc		"Server reply cache:\n"
+#define LABEL_srvfh		"Server file handle cache:\n"
+#define LABEL_srvio		"Server io stats:\n"
+#define LABEL_srvra		"Server read ahead cache:\n"
+#define LABEL_srvproc2		"Server nfs v2:\n"
+#define LABEL_srvproc3		"Server nfs v3:\n"
+#define LABEL_srvproc4		"Server nfs v4:\n"
+#define LABEL_srvproc4ops	"Server nfs v4 operations:\n"
+#define LABEL_cltnet		"Client packet stats:\n"
+#define LABEL_cltrpc		"Client rpc stats:\n"
+#define LABEL_cltproc2		"Client nfs v2:\n"
+#define LABEL_cltproc3		"Client nfs v3:\n"
+#define LABEL_cltproc4		"Client nfs v4:\n"
+
+typedef struct statinfo {
+	char		*tag;
+	char		*label;
+	int		nrvals;
+	unsigned int *	valptr;
+} statinfo;
+
+/*
+ * We now build the arrays of statinfos using macros, which will make it easier
+ * to add new variables for --sleep.  e.g., SRV(net) expands into the struct
+ * statinfo:  { "net", "Server packet stats:\n", 5, srvnetinfo }
+ */
+#define ARRAYSIZE(x)		sizeof(x)/sizeof(*x)
+#define STATINFO(k, t, s...)	{ #t, LABEL_##k##t, ARRAYSIZE(k##t##info##s), k##t##info##s }
+#define SRV(t, s...)		STATINFO(srv, t, s)
+#define CLT(t, s...)		STATINFO(clt, t, s)
+#define DECLARE_SRV(n, s...)	static statinfo n##s[] = { \
+					SRV(net,s), \
+					SRV(rpc,s), \
+					SRV(rc,s), \
+					SRV(fh,s), \
+					SRV(io,s), \
+					SRV(ra,s), \
+					SRV(proc2,s), \
+					SRV(proc3,s),\
+					SRV(proc4,s), \
+					SRV(proc4ops,s),\
+					{ NULL, NULL, 0, NULL }\
+				}
+#define DECLARE_CLT(n, s...)  	static statinfo n##s[] = { \
+					CLT(net,s), \
+					CLT(rpc,s), \
+					CLT(proc2,s),\
+					CLT(proc3,s), \
+					CLT(proc4,s),\
+					{ NULL, NULL, 0, NULL }\
+				}
+DECLARE_SRV(srvinfo);
+DECLARE_SRV(srvinfo, _old);
+DECLARE_CLT(cltinfo);
+DECLARE_CLT(cltinfo, _old);
+
+static void		print_all_stats(int, int, int);
+static void		print_server_stats(int);
+static void		print_client_stats(int);
+static void		print_stats_list(int, int, int);
+static void		print_numbers(const char *, unsigned int *,
+					unsigned int);
+static void		print_callstats(const char *, const char **,
+					unsigned int *, unsigned int);
+static void		print_callstats_list(const char *, const char **,
+					unsigned int *, unsigned int);
+static int		parse_raw_statfile(const char *, struct statinfo *);
+static int 		parse_pretty_statfile(const char *, struct statinfo *);
+
+static statinfo		*get_stat_info(const char *, struct statinfo *);
+
+static int		mounts(const char *);
+
+static void		get_stats(const char *, struct statinfo *, int *, int,
+					int);
+static int		has_stats(const unsigned int *, int);
+static int		has_rpcstats(const unsigned int *, int);
+static void 		diff_stats(struct statinfo *, struct statinfo *, int);
+static void 		unpause(int);
+static void 		update_old_counters(struct statinfo *, struct statinfo *);
+
+static time_t		starttime;
+
+#define PRNT_CALLS	0x0001
+#define PRNT_RPC	0x0002
+#define PRNT_NET	0x0004
+#define PRNT_FH		0x0008
+#define PRNT_RC		0x0010
+#define PRNT_IO		0x0020
+#define PRNT_RA		0x0040
+#define PRNT_AUTO	0x1000
+#define PRNT_V2		0x2000
+#define PRNT_V3		0x4000
+#define PRNT_V4		0x8000
+#define PRNT_ALL	0x0fff
+
+int versions[] = {
+	PRNT_V2,
+	PRNT_V3,
+	PRNT_V4
+};
+
+static void usage(char *name)
+{
+	printf("Usage: %s [OPTION]...\n\
+\n\
+  -m, --mounts		Show statistics on mounted NFS filesystems\n\
+  -c, --client		Show NFS client statistics\n\
+  -s, --server		Show NFS server statistics\n\
+  -2			Show NFS version 2 statistics\n\
+  -3			Show NFS version 3 statistics\n\
+  -4			Show NFS version 4 statistics\n\
+  -o [facility]		Show statistics on particular facilities.\n\
+     nfs		NFS protocol information\n\
+     rpc		General RPC information\n\
+     net		Network layer statistics\n\
+     fh			Usage information on the server's file handle cache\n\
+     io			Usage information on the server's io statistics\n\
+     ra			Usage information on the server's read ahead cache\n\
+     rc			Usage information on the server's request reply cache\n\
+     all		Select all of the above\n\
+  -v, --verbose, --all	Same as '-o all'\n\
+  -r, --rpc		Show RPC statistics\n\
+  -n, --nfs		Show NFS statistics\n\
+  -Z[#], --sleep[=#]	Collects stats until interrupted.\n\
+			    Cumulative stats are then printed\n\
+          		    If # is provided, stats will be output every\n\
+			    # seconds.\n\
+  -S, --since file	Shows difference between current stats and those in 'file'\n\
+  -l, --list		Prints stats in list format\n\
+  --version		Show program version\n\
+  --help		What you just did\n\
+\n", name);
+	exit(0);
+}
+
+static struct option longopts[] =
+{
+	{ "acl", 0, 0, 'a' },
+	{ "all", 0, 0, 'v' },
+	{ "auto", 0, 0, '\3' },
+	{ "client", 0, 0, 'c' },
+	{ "mounts", 0, 0, 'm' },
+	{ "nfs", 0, 0, 'n' },
+	{ "rpc", 0, 0, 'r' },
+	{ "server", 0, 0, 's' },
+	{ "verbose", 0, 0, 'v' },
+	{ "zero", 0, 0, 'z' },
+	{ "help", 0, 0, '\1' },
+	{ "version", 0, 0, '\2' },
+	{ "sleep", 2, 0, 'Z' },
+	{ "since", 1, 0, 'S' },
+	{ "list", 0, 0, 'l' },
+	{ NULL, 0, 0, 0 }
+};
+int opt_sleep;
+
+int
+main(int argc, char **argv)
+{
+	int		opt_all = 0,
+			opt_srv = 0,
+			opt_clt = 0,
+			opt_prt = 0,
+			sleep_time = 0,
+			opt_list =0,
+			opt_since = 0;
+	int		c;
+	char           *progname,
+		       *serverfile = NFSSRVSTAT,
+		       *clientfile = NFSCLTSTAT;
+
+	struct statinfo *serverinfo = srvinfo,
+			*serverinfo_tmp = srvinfo_old,
+			*clientinfo = cltinfo,
+			*clientinfo_tmp = cltinfo_old;
+
+	struct sigaction act = {
+		.sa_handler = unpause,
+		.sa_flags = SA_RESETHAND,
+	};
+
+	if ((progname = strrchr(argv[0], '/')))
+		progname++;
+	else
+		progname = argv[0];
+
+	while ((c = getopt_long(argc, argv, "234acmno:Z::S:vrslz\1\2", longopts, NULL)) != EOF) {
+		switch (c) {
+		case 'a':
+			fprintf(stderr, "nfsstat: nfs acls are not yet supported.\n");
+			return 1;
+		case 'c':
+			opt_clt = 1;
+			break;
+		case 'n':
+			opt_prt |= PRNT_CALLS;
+			break;
+		case 'o':
+			if (!strcmp(optarg, "nfs"))
+				opt_prt |= PRNT_CALLS;
+			else if (!strcmp(optarg, "rpc"))
+				opt_prt |= PRNT_RPC;
+			else if (!strcmp(optarg, "net"))
+				opt_prt |= PRNT_NET;
+			else if (!strcmp(optarg, "rc"))
+				opt_prt |= PRNT_RC;
+			else if (!strcmp(optarg, "fh"))
+				opt_prt |= PRNT_FH;
+			else if (!strcmp(optarg, "io"))
+				opt_prt |= PRNT_IO;
+			else if (!strcmp(optarg, "ra"))
+				opt_prt |= PRNT_RA;
+			else if (!strcmp(optarg, "all"))
+				opt_prt |= PRNT_CALLS | PRNT_RPC | PRNT_NET | PRNT_RC | PRNT_FH | PRNT_IO | PRNT_RA;
+			else {
+				fprintf(stderr, "nfsstat: unknown category: "
+						"%s\n", optarg);
+				return 2;
+			}
+			break;
+		case 'Z':
+			opt_sleep = 1;
+			if (optarg) {
+				sleep_time = atoi(optarg);
+			}
+			break;
+		case 'S':
+			opt_since = 1;
+			serverfile = optarg;
+			clientfile = optarg;
+			break;
+		case '2':
+		case '3':
+		case '4':
+			opt_prt |= versions[c - '2'];
+			break;
+		case 'v':
+			opt_all = 1;
+			break;
+		case '\3':
+			opt_prt |= PRNT_AUTO;
+			break;
+		case 'r':
+			opt_prt |= PRNT_RPC;
+			break;
+		case 's':
+			opt_srv = 1;
+			break;
+		case 'l':
+			opt_list = 1;
+			break;
+		case 'z':
+			fprintf(stderr, "nfsstat: zeroing of nfs statistics "
+					"not yet supported\n");
+			return 2;
+		case 'm':
+			return ! mounts(MOUNTSFILE);
+		case '\1':
+			usage(progname);
+			return 0;
+		case '\2':
+			fprintf(stdout, "nfsstat: " VERSION "\n");
+			return 0;
+		default:
+			printf("Try `%s --help' for more information.\n", progname);
+			return 1;
+		}
+	}
+
+	if (opt_all) {
+		opt_srv = opt_clt = 1;
+		opt_prt |= PRNT_ALL;
+	}
+	if (!(opt_srv + opt_clt))
+		opt_srv = opt_clt = 1;
+	if (!(opt_prt & 0xfff)) {
+		opt_prt |= PRNT_CALLS + PRNT_RPC;
+	}
+	if (!(opt_prt & 0xe000)) {
+		opt_prt |= PRNT_AUTO;
+	}
+	if ((opt_prt & (PRNT_FH|PRNT_RC|PRNT_IO|PRNT_RA)) && !opt_srv) {
+		fprintf(stderr,
+			"You requested fh/io/ra/rc "
+			"statistics while using the -c option.\n"
+			"This information is available only for the NFS "
+			"server.\n");
+	}
+
+	if (opt_since || opt_sleep) {
+		serverinfo = srvinfo_old;
+		serverinfo_tmp = srvinfo;
+		clientinfo = cltinfo_old;
+		clientinfo_tmp = cltinfo;
+	}
+
+	if (opt_srv)
+		get_stats(serverfile, serverinfo, &opt_srv, opt_clt, 1);
+	if (opt_clt)
+		get_stats(clientfile, clientinfo, &opt_clt, opt_srv, 0);
+
+	if (opt_sleep && !sleep_time) {
+		starttime = time(NULL);
+		printf("Collecting statistics; press CTRL-C to view results from interval (i.e., from pause to CTRL-C).\n");
+		if (sigaction(SIGINT, &act, NULL) != 0) {
+			fprintf(stderr, "Error: couldn't register for signal and pause.\n");
+			return 1;
+		}
+		pause();
+	}
+
+	if (opt_since || (opt_sleep && !sleep_time)) {
+		if (opt_srv) {
+			get_stats(NFSSRVSTAT, serverinfo_tmp, &opt_srv, opt_clt, 1);
+			diff_stats(serverinfo_tmp, serverinfo, 1);
+		}
+		if (opt_clt) {
+			get_stats(NFSCLTSTAT, clientinfo_tmp, &opt_clt, opt_srv, 0);
+			diff_stats(clientinfo_tmp, clientinfo, 0);
+		}
+	}
+	if(sleep_time) {
+		while(1) {
+			if (opt_srv) {
+				get_stats(NFSSRVSTAT, serverinfo_tmp , &opt_srv, opt_clt, 1);
+				diff_stats(serverinfo_tmp, serverinfo, 1);
+			}
+			if (opt_clt) {
+				get_stats(NFSCLTSTAT, clientinfo_tmp, &opt_clt, opt_srv, 0);
+				diff_stats(clientinfo_tmp, clientinfo, 0);
+			}
+			if (opt_list) {
+				print_stats_list(opt_srv, opt_clt, opt_prt);
+			} else {
+				print_all_stats(opt_srv, opt_clt, opt_prt);
+			}
+			fflush(stdout);
+
+			if (opt_srv)
+				update_old_counters(serverinfo_tmp, serverinfo);
+			if (opt_clt)
+				update_old_counters(clientinfo_tmp, clientinfo);
+
+			sleep(sleep_time);
+		}	
+	} else {
+		if (opt_list) {
+			print_stats_list(opt_srv, opt_clt, opt_prt);
+		} else {
+			print_all_stats(opt_srv, opt_clt, opt_prt);
+		}
+	}
+
+	return 0;
+}
+
+static void
+print_all_stats (int opt_srv, int opt_clt, int opt_prt)
+{
+	if (opt_srv)
+		print_server_stats(opt_prt);
+
+	if (opt_clt)
+		print_client_stats(opt_prt);
+}
+
+static void 
+print_server_stats(int opt_prt) 
+{
+	if (opt_prt & PRNT_NET) {
+		if (opt_sleep && !has_rpcstats(srvnetinfo, 4)) {
+		} else {
+			print_numbers( LABEL_srvnet
+				"packets    udp        tcp        tcpconn\n",
+			srvnetinfo, 4);
+			printf("\n");
+		}
+	}
+	if (opt_prt & PRNT_RPC) {
+		if (opt_sleep && !has_rpcstats(srvrpcinfo, 5)) {
+			;
+		} else {
+			print_numbers(LABEL_srvrpc
+				"calls      badcalls   badfmt     badauth    badclnt\n",
+				srvrpcinfo, 5);
+			printf("\n");
+		}
+	}
+	if (opt_prt & PRNT_RC) {
+		if (opt_sleep && !has_rpcstats(srvrcinfo, 3)) {
+			;
+		} else {
+			print_numbers(LABEL_srvrc
+				"hits       misses     nocache\n",
+				srvrcinfo, 3);
+			printf("\n");
+		}
+	}
+	if (opt_prt & PRNT_IO) {
+		if (opt_sleep && !has_rpcstats(srvioinfo, 3)) {
+			;
+		} else {
+			print_numbers(LABEL_srvio
+				"read       write\n",
+				srvioinfo, 2);
+			printf("\n");
+		}
+	}
+	if (opt_prt & PRNT_RA) {
+		if (opt_sleep && !has_rpcstats(srvrainfo, 3)) {
+			;
+		} else {
+			print_numbers(LABEL_srvra
+				"size       0-10%      10-20%     20-30%     30-40%     40-50%     50-60%     60-70%     70-80%     80-90%     90-100%    notfound\n",
+				srvrainfo, 12);
+			printf("\n");
+		}
+	}
+
+	/*
+	 * 2.2 puts all fh-related info after the 'rc' header
+	 * 2.4 puts all fh-related info after the 'fh' header, but relocates
+	 *     'stale' to the start and swaps dir and nondir :-(  
+	 *     We preseve the 2.2 order
+	 */
+	if (opt_prt & PRNT_FH) {
+		if (get_stat_info("fh", srvinfo)) {	/* >= 2.4 */
+			int t = srvfhinfo[3];
+			srvfhinfo[3]=srvfhinfo[4];
+			srvfhinfo[4]=t;
+			
+			srvfhinfo[5]=srvfhinfo[0]; /* relocate 'stale' */
+			
+			print_numbers(
+				LABEL_srvfh
+				"lookup     anon       ncachedir  ncachenondir  stale\n",
+				srvfhinfo + 1, 5);
+		} else					/* < 2.4 */
+			print_numbers(
+				LABEL_srvfh
+				"lookup     anon       ncachedir  ncachedir  stale\n",
+				srvrcinfo + 3, 5);
+		printf("\n");
+	}
+	if (opt_prt & PRNT_CALLS) {
+		int has_v2_stats = has_stats(srvproc2info, SRVPROC2_SZ+2);
+		int has_v3_stats = has_stats(srvproc3info, SRVPROC3_SZ+2);
+		int has_v4_stats = has_stats(srvproc4info, SRVPROC4_SZ+2);
+
+		if ((opt_prt & PRNT_V2) || 
+				((opt_prt & PRNT_AUTO) && has_v2_stats)) {
+			if (!opt_sleep || has_v2_stats) {
+				print_callstats(LABEL_srvproc2,
+					nfsv2name, srvproc2info + 1, 
+					sizeof(nfsv2name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V3) || 
+				((opt_prt & PRNT_AUTO) && has_v3_stats)) {
+			if (!opt_sleep || has_v3_stats) {
+				print_callstats(LABEL_srvproc3,
+					nfsv3name, srvproc3info + 1, 
+					sizeof(nfsv3name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V4) || 
+				((opt_prt & PRNT_AUTO) && has_v4_stats)) {
+			if (!opt_sleep || has_v4_stats) {
+				print_callstats( LABEL_srvproc4,
+					nfssrvproc4name, srvproc4info + 1, 
+					sizeof(nfssrvproc4name)/sizeof(char *));
+				print_callstats(LABEL_srvproc4ops,
+					nfssrvproc4opname, srvproc4opsinfo + 1, 
+					sizeof(nfssrvproc4opname)/sizeof(char *));
+			}
+		}
+	}
+}
+static void
+print_client_stats(int opt_prt) 
+{
+	if (opt_prt & PRNT_NET) {
+		if (opt_sleep && !has_rpcstats(cltnetinfo, 4)) {
+			;
+		} else { 
+			print_numbers(LABEL_cltnet
+				"packets    udp        tcp        tcpconn\n",
+				cltnetinfo, 4);
+			printf("\n");
+		}
+	}
+	if (opt_prt & PRNT_RPC) {
+		if (opt_sleep && !has_rpcstats(cltrpcinfo, 3)) {
+			;
+		} else {
+			print_numbers(LABEL_cltrpc
+				"calls      retrans    authrefrsh\n",
+				cltrpcinfo, 3);
+			printf("\n");
+		}
+	}
+	if (opt_prt & PRNT_CALLS) {
+		int has_v2_stats = has_stats(cltproc2info, CLTPROC2_SZ+2);
+		int has_v3_stats = has_stats(cltproc3info, CLTPROC3_SZ+2);
+		int has_v4_stats = has_stats(cltproc4info, CLTPROC4_SZ+2);
+		if ((opt_prt & PRNT_V2) || 
+				((opt_prt & PRNT_AUTO) && has_v2_stats)) {
+			if (!opt_sleep || has_v2_stats) {
+				print_callstats(LABEL_cltproc2,
+					nfsv2name, cltproc2info + 1,  
+					sizeof(nfsv2name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V3) || 
+				((opt_prt & PRNT_AUTO) && has_v3_stats)) {
+			if (!opt_sleep || has_v3_stats) {
+				print_callstats(LABEL_cltproc3,
+					nfsv3name, cltproc3info + 1, 
+					sizeof(nfsv3name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V4) || 
+				((opt_prt & PRNT_AUTO) && has_v4_stats)) {
+			if (!opt_sleep || has_v4_stats) {
+				print_callstats(LABEL_cltproc4,
+					nfscltproc4name, cltproc4info + 1,  
+					sizeof(nfscltproc4name)/sizeof(char *));
+			}
+		}
+	}
+}
+
+static void
+print_clnt_list(int opt_prt) 
+{
+	if (opt_prt & PRNT_CALLS) {
+		int has_v2_stats = has_stats(cltproc2info, CLTPROC2_SZ+2);
+		int has_v3_stats = has_stats(cltproc3info, CLTPROC3_SZ+2);
+		int has_v4_stats = has_stats(cltproc4info, CLTPROC4_SZ+2);
+		if ((opt_prt & PRNT_V2) || 
+				((opt_prt & PRNT_AUTO) && has_v2_stats)) {
+			if (!opt_sleep || has_v2_stats) {
+				print_callstats_list("nfs v2 client",
+					nfsv2name, cltproc2info + 1,  
+					sizeof(nfsv2name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V3) || 
+				((opt_prt & PRNT_AUTO) && has_v3_stats)) {
+			if (!opt_sleep || has_v3_stats) {
+				print_callstats_list("nfs v3 client",
+					nfsv3name, cltproc3info + 1, 
+					sizeof(nfsv3name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V4) || 
+				((opt_prt & PRNT_AUTO) && has_v4_stats)) {
+			if (!opt_sleep || has_v4_stats) {
+				print_callstats_list("nfs v4 client",
+					nfscltproc4name, cltproc4info + 1,  
+					sizeof(nfscltproc4name)/sizeof(char *));
+			}
+		}
+	}
+}
+static void
+print_serv_list(int opt_prt) 
+{
+	if (opt_prt & PRNT_CALLS) {
+		int has_v2_stats = has_stats(srvproc2info, SRVPROC2_SZ+2);
+		int has_v3_stats = has_stats(srvproc3info, SRVPROC3_SZ+2);
+		int has_v4_stats = has_stats(srvproc4info, SRVPROC4_SZ+2);
+		if ((opt_prt & PRNT_V2) || 
+				((opt_prt & PRNT_AUTO) && has_v2_stats)) {
+			if (!opt_sleep || has_v2_stats) {
+				print_callstats_list("nfs v2 server",
+					nfsv2name, srvproc2info + 1, 
+					sizeof(nfsv2name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V3) || 
+				((opt_prt & PRNT_AUTO) && has_v3_stats)) {
+			if (!opt_sleep || has_v3_stats) {
+				print_callstats_list("nfs v3 server",
+					nfsv3name, srvproc3info + 1, 
+					sizeof(nfsv3name)/sizeof(char *));
+			}
+		}
+		if ((opt_prt & PRNT_V4) || 
+				((opt_prt & PRNT_AUTO) && has_v4_stats)) {
+			if (!opt_sleep || has_v4_stats) {
+				print_callstats_list("nfs v4 server",
+					nfssrvproc4name, srvproc4info + 1, 
+					sizeof(nfssrvproc4name)/sizeof(char *));
+				print_callstats_list("nfs v4 servop",
+					nfssrvproc4opname, srvproc4opsinfo + 1, 
+					sizeof(nfssrvproc4opname)/sizeof(char *));
+			}
+		}
+	}
+}
+static void
+print_stats_list(int opt_srv, int opt_clt, int opt_prt) 
+{
+	if (opt_srv)
+		print_serv_list(opt_prt);
+
+	if (opt_clt)
+		print_clnt_list(opt_prt);
+}
+
+static statinfo *
+get_stat_info(const char *sp, struct statinfo *statp)
+{
+	struct statinfo *ip;
+
+	for (ip = statp; ip->tag; ip++) {
+		if (!strcmp(sp, ip->tag))
+			return ip;
+	}
+
+	return NULL;
+}
+
+static void
+print_numbers(const char *hdr, unsigned int *info, unsigned int nr)
+{
+	unsigned int	i;
+
+	fputs(hdr, stdout);
+	for (i = 0; i < nr; i++)
+		printf("%s%-8u", i? "   " : "", info[i]);
+	printf("\n");
+}
+
+static void
+print_callstats(const char *hdr, const char **names,
+				 unsigned int *info, unsigned int nr)
+{
+	unsigned long long	total;
+	unsigned long long	pct;
+	unsigned int		i, j;
+
+	fputs(hdr, stdout);
+	for (i = 0, total = 0; i < nr; i++)
+		total += info[i];
+	if (!total)
+		total = 1;
+	for (i = 0; i < nr; i += 5) {
+		for (j = 0; j < 5 && i + j < nr; j++)
+			printf("%-17s", names[i+j]);
+		printf("\n");
+		for (j = 0; j < 5 && i + j < nr; j++) {
+			pct = ((unsigned long long) info[i+j]*100)/total;
+			printf("%-8u%3llu%%     ", info[i+j], pct);
+		}
+		printf("\n");
+	}
+	printf("\n");
+}
+
+static void
+print_callstats_list(const char *hdr, const char **names,
+		 	unsigned int *callinfo, unsigned int nr)
+{
+	unsigned long long	calltotal;
+	unsigned int			i;
+
+	for (i = 0, calltotal = 0; i < nr; i++) {
+		calltotal += callinfo[i];
+	}
+	if (!calltotal)
+		return;
+	printf("%13s %13s %8llu \n", hdr, "total:", calltotal);
+	printf("------------- ------------- --------\n");
+	for (i = 0; i < nr; i++) {
+			if (callinfo[i])
+				printf("%13s %12s: %8u \n", hdr, names[i], callinfo[i]);
+	}
+	printf("\n");
+		
+}
+
+
+/* returns 0 on success, 1 otherwise */
+static int
+parse_raw_statfile(const char *name, struct statinfo *statp)
+{
+	char	buffer[4096], *next;
+	FILE	*fp;
+
+	/* Being unable to read e.g. the nfsd stats file shouldn't
+	 * be a fatal error -- it usually means the module isn't loaded.
+	 */
+	if ((fp = fopen(name, "r")) == NULL) {
+		// fprintf(stderr, "Warning: %s: %m\n", name);
+		return 1;
+	}
+
+	while (fgets(buffer, sizeof(buffer), fp) != NULL) {
+		struct statinfo	*ip;
+		char		*sp, *line = buffer;
+		unsigned int    i, cnt;
+		unsigned int	total = 0;
+
+		if ((next = strchr(line, '\n')) != NULL)
+			*next++ = '\0';
+		if (!(sp = strtok(line, " \t")))
+			continue;
+
+		ip = get_stat_info(sp, statp);
+		if (!ip)
+			continue;
+
+		cnt = ip->nrvals;
+
+		for (i = 0; i < cnt; i++) {
+			if (!(sp = strtok(NULL, " \t")))
+				break;
+			ip->valptr[i] = (unsigned int) strtoul(sp, NULL, 0);
+			total += ip->valptr[i];
+		}
+		ip->valptr[cnt - 1] = total;
+	}
+
+	fclose(fp);
+	return 0;
+}
+
+/* returns 0 on success, 1 otherwise */
+static int
+parse_pretty_statfile(const char *filename, struct statinfo *info)
+{
+	int numvals, curindex, numconsumed, n, err = 1;
+	unsigned int sum;
+	char buf[4096], *bufp, *fmt, is_proc;
+	FILE *fp = NULL;
+	struct statinfo *ip;
+
+	if ((fp = fopen(filename, "r")) == NULL)
+		//err(2, "Unable to open statfile '%s'.\n", filename);
+		goto out;
+
+	while (fgets(buf, sizeof(buf), fp) != NULL) {
+		for (ip = info; ip->tag; ip++) {
+			if (strcmp(buf, ip->label))
+				continue;
+
+			sum = 0;
+			numvals = ip->nrvals - 1;
+			is_proc = strncmp("proc", ip->tag, 4) ? 0 : 1;
+			if (is_proc) {
+				fmt = " %u %*u%% %n";
+				curindex = 1;
+				ip->valptr[0] = 0;
+			} else {
+				fmt = " %u %n";
+				curindex = 0;
+			}
+more_stats:
+			/* get (and skip) header */
+			if (fgets(buf, sizeof(buf), fp) == NULL) {
+				fprintf(stderr, "Failed to locate header after "
+						"label for '%s' in %s.\n",
+						ip->tag, filename);
+				goto out;
+			}
+			/* no header -- done with this "tag" */
+			if (*buf == '\n') {
+				ip->valptr[numvals] = sum;
+				break;
+			}
+			/* get stats */
+			if (fgets(buf, sizeof(buf), fp) == NULL) {
+				fprintf(stderr, "Failed to locate stats after "
+						"header for '%s' in %s.\n",
+						ip->tag, filename);
+				goto out;
+			}
+			bufp = buf;
+			for (; curindex < numvals; curindex++) {
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+				n = sscanf(bufp, fmt, &ip->valptr[curindex],
+						&numconsumed);
+#pragma GCC diagnostic warning "-Wformat-nonliteral"
+				if (n != 1)
+					break;
+				if (is_proc) {
+					ip->valptr[0]++;
+					sum++;
+				}
+				sum += ip->valptr[curindex];
+				bufp += numconsumed;
+			}
+			goto more_stats;
+		}
+	}
+	err = 0;
+out:
+	if (fp)
+		fclose(fp);
+	return err;
+}
+
+static int
+mounts(const char *name)
+{
+	char	buffer[4096], *next;
+	FILE	*fp;
+
+	/* Being unable to read e.g. the nfsd stats file shouldn't
+	 * be a fatal error -- it usually means the module isn't loaded.
+	 */
+	if ((fp = fopen(name, "r")) == NULL) {
+		fprintf(stderr, "Warning: %s: %s\n", name, strerror(errno));
+		return 0;
+	}
+
+	while (fgets(buffer, sizeof(buffer), fp) != NULL) {
+		char	      *line = buffer;
+		char          *device, *mount, *type, *flags;
+
+		if ((next = strchr(line, '\n')) != NULL)
+			*next = '\0';
+
+		if (!(device = strtok(line, " \t")))
+			continue;
+
+		if (!(mount = strtok(NULL, " \t")))
+			continue;
+
+		if (!(type = strtok(NULL, " \t")))
+			continue;
+
+		if (strcmp(type, "nfs") && strcmp(type,"nfs4")) {
+		    continue;
+		}
+
+		if (!(flags = strtok(NULL, " \t")))
+			continue;
+
+		printf("%s from %s\n", mount, device);
+		printf(" Flags:\t%s\n", flags);
+		printf("\n");
+
+		continue;
+	}
+
+	fclose(fp);
+	return 1;
+}
+
+static void
+get_stats(const char *file, struct statinfo *info, int *opt, int other_opt,
+		int is_srv)
+{
+	FILE *fp;
+	char buf[10];
+	int err = 1;
+	char *label = is_srv ? "Server" : "Client";
+
+	/* try to guess what type of stat file we're dealing with */
+	if ((fp = fopen(file, "r")) == NULL)
+		goto out;
+	if (fgets(buf, 10, fp) == NULL)
+		goto out;
+	if (!strncmp(buf, "net ", 4)) {
+		/* looks like raw client stats */
+		if (is_srv) {
+			fprintf(stderr, "Warning: no server info present in "
+					"raw client stats file.\n");
+			*opt = 0;
+		} else
+			err = parse_raw_statfile(file, info);
+	} else if (!strncmp(buf, "rc ", 3)) {
+		/* looks like raw server stats */
+		if (!is_srv) {
+			fprintf(stderr, "Warning: no client info present in "
+					"raw server stats file.\n");
+			*opt = 0;
+		} else
+			err = parse_raw_statfile(file, info);
+	} else
+		/* looks like pretty client and server stats */
+		err = parse_pretty_statfile(file, info);
+out:
+	if (fp)
+		fclose(fp);
+	if (err) {
+		if (!other_opt) {
+			fprintf(stderr, "Error: No %s Stats (%s: %s). \n",
+					label, file, strerror(errno));
+			exit(2);
+		}
+		*opt = 0;
+	}
+}
+
+/*
+ * This is for proc2/3/4-type stats, where, in the /proc files, the first entry's value
+ * denotes the number of subsequent entries.  statinfo value arrays contain an additional
+ * field at the end which contains the sum of all previous elements in the array -- so,
+ * there are stats if the sum's greater than the entry-count.
+ */
+static int
+has_stats(const unsigned int *info, int nr)
+{
+	return (info[0] && info[nr-1] > info[0]);
+}
+static int
+has_rpcstats(const unsigned int *info, int size)
+{
+	int i, cnt;
+
+	for (i=0, cnt=0; i < size; i++)
+		cnt += info[i];
+	return cnt;
+}
+
+/*
+ * take the difference of each individual stat value in 'new' and 'old'
+ * and store the results back into 'new'
+ */
+static void
+diff_stats(struct statinfo *new, struct statinfo *old, int is_srv)
+{
+	int i, j, nodiff_first_index, should_diff;
+
+	/*
+	 * Different stat types have different formats in the /proc
+	 * files: for the proc2/3/4-type stats, the first entry has
+	 * the total number of subsequent entries; one does not want
+	 * to diff that first entry.  The other stat types aren't like
+	 * this.  So, we diff a given entry if it's not of one of the
+	 * procX types ("i" < 2 for clt, < 4 for srv), or if it's not
+	 * the first entry ("j" > 0).
+	 */
+	nodiff_first_index = 2 + (2 * is_srv);
+
+	for (i = 0; old[i].tag; i++) {
+		for (j = 0; j < new[i].nrvals; j++) {
+			should_diff = (i < nodiff_first_index || j > 0);
+			if (should_diff)
+				new[i].valptr[j] -= old[i].valptr[j];
+		}
+
+		/*
+		 * Make sure that the "totals" entry (last value in
+		 * each stat array) for the procX-type stats has the
+		 * "numentries" entry's (first value in procX-type
+		 * stat arrays) constant value added-back after the
+		 * diff -- i.e., it should always be included in the
+		 * total.
+		 */
+		if (!strncmp("proc", new[i].tag, 4) && old[i].valptr[0])
+			new[i].valptr[new[i].nrvals - 1] += new[i].valptr[0];
+	}
+}
+
+static void
+unpause(int sig)
+{
+	double time_diff;
+	int minutes, seconds;
+	time_t endtime;
+
+	endtime = time(NULL);
+	time_diff = difftime(endtime, starttime);
+	minutes = time_diff / 60;
+	seconds = (int)time_diff % 60;
+	printf("Signal %d received; displaying (only) statistics gathered over the last %d minutes, %d seconds:\n\n", sig, minutes, seconds);
+}
+
+static void
+update_old_counters(struct statinfo *new, struct statinfo *old)
+{
+	int z, i;
+	for (z = 0; old[z].tag; z++) 
+		for (i = 0; i <= old[z].nrvals; i++) 
+			old[z].valptr[i] += new[z].valptr[i];
+
+}
diff --git a/utils/nfsstat/nfsstat.man b/utils/nfsstat/nfsstat.man
new file mode 100644
index 0000000..2e52935
--- /dev/null
+++ b/utils/nfsstat/nfsstat.man
@@ -0,0 +1,173 @@
+.\"
+.\" nfsstat(8)
+.\" 
+.\" Copyright (C) 1996-2005 Olaf Kirch <okir@suse.de>
+.TH nfsstat 8 "7 Aug 2007"
+.SH NAME
+nfsstat \- list NFS statistics
+.SH SYNOPSIS
+.B nfsstat
+[\fIOPTION\fR]...
+.SH DESCRIPTION
+The
+.B nfsstat
+displays statistics kept about NFS client and server activity.
+.SH OPTIONS
+.TP
+.B \-s, \-\-server
+Print only server-side statistics. The default is to print both server and
+client statistics.
+.TP
+.B \-c, \-\-client
+Print only client-side statistics.
+.TP
+.B \-n, \-\-nfs
+Print only NFS statistics. The default is to print both NFS and RPC
+information.
+.TP
+.B \-2
+Print only NFS v2 statistics. The default is to only print information
+about the versions of \fBNFS\fR that have non-zero counts.
+.TP
+.B \-3
+Print only NFS v3 statistics. The default is to only print information
+about the versions of \fBNFS\fR that have non-zero counts.
+.TP
+.B \-4
+Print only NFS v4 statistics. The default is to only print information
+about the versions of \fBNFS\fR that have non-zero counts.
+.TP
+.B \-m, \-\-mounts
+Print information about each of the mounted \fBNFS\fR file systems.
+
+If this option is used, all other options are ignored.
+.TP
+.B \-r, \-\-rpc
+Print only RPC statistics.
+.TP
+.BI \-o " facility
+Display statistics for the specified facility, which must be one of:
+.RS
+.TP
+.B nfs
+NFS protocol information, split up by RPC call.
+.TP
+.B rpc
+General RPC information.
+.TP
+.B net
+Network layer statistics, such as the number of received packets, number
+of TCP connections, etc.
+.TP
+.B fh
+Usage information on the server's file handle cache, including the
+total number of lookups, and the number of hits and misses.
+.TP
+.B rc
+Usage information on the server's request reply cache, including the
+total number of lookups, and the number of hits and misses.
+.TP
+.B io
+Usage information on the server's io statistics; bytes read and
+written.
+.TP
+.B ra
+Usage information on the server's read ahead cache, including the
+ra cache size, the depth of ra cache hits, and ra cache misses.
+.TP
+.B all
+Display all of the above facilities.
+.RE
+.TP
+.B \-v, \-\-verbose
+This is equivalent to \fB\-o all\fR.
+.TP
+.B \-l, \-\-list
+Print information in list form.
+.TP
+.BI "\-S, \-\-since " file
+Instead of printing current statistics, 
+.B nfsstat
+imports statistics from
+.I file
+and displays the difference between those and the current statistics.
+Valid input
+.IR file "s may be in the form of "
+.B /proc/net/rpc/nfs
+(raw client stats),
+.B /proc/net/rpc/nfsd
+(raw server stats), or saved output from
+.B nfsstat
+itself (client and/or server stats).   Any statistics missing from a saved
+.B nfsstat
+output 
+.I file
+are treated as zeroes.
+.TP
+.B \-Z[interval], \-\-sleep=[interval]
+Instead of printing current statistics and immediately exiting,
+.B nfsstat
+takes a snapshot of the current statistics and pauses until it receives
+.B SIGINT
+(typically from
+.BR Ctrl-C ),
+at which point it takes another snapshot and displays the difference
+between the two.
+If \fIinterval\fR is specified, 
+.B nfsstat
+will print the number of \fBNFS\fR calls made since the previous report.
+Stats will be printed repeatedly every \fIinterval\fR seconds.
+.\" --------------------- EXAMPLES -------------------------------
+.SH EXAMPLES
+.TP
+.B nfsstat \-o all \-234
+Show all information about all versions of \fBNFS\fR.
+.TP
+.B nfsstat \-\-verbose \-234
+Same as above.
+.TP
+.B nfsstat \-o all
+Show all information about active versions of \fBNFS\fR.
+.TP
+.B nfsstat \-\-nfs \-\-server \-3
+Show statistics for \fBNFS\fR version 3 server.
+.TP
+.B nfsstat \-m
+Show information about mounted \fBNFS\fR filesystems.
+.\" --------------------- DISPLAY --------------------------------
+.SH DISPLAY
+The \fBFlags\fR output from the \fB\-m\fR option is the same as the
+flags give to the \fBmount\fR command.
+.\" --------------------- FILES ----------------------------------
+.SH FILES
+.TP
+.B /proc/net/rpc/nfsd
+.BR procfs -based
+interface to kernel NFS server statistics.
+.TP
+.B /proc/net/rpc/nfs
+.BR procfs -based
+interface to kernel NFS client statistics.
+.TP
+.B /proc/mounts
+.BR procfs -based
+interface to the mounted filesystems.
+.\" -------------------- SEE ALSO --------------------------------
+.SH SEE ALSO
+.BR rpc.nfsd (8).
+.BR nfs (5).
+.\" ---------------------- BUGS ----------------------------------
+.SH BUGS
+The default output has been changed.  To get the old default output you must run \fBnfsstat \-\-auto \-2\fR.
+.P
+The function of the \fB\-v\fR and \fB\-a\fR options have changed. The \fB\-a\fR option
+is now reserved for future use. The \fB\-v\fR does what the \fB\-a\fR option used to do,
+and the new \fB\-[234]\fR options replace the \fB\-v\fR option.
+.P
+The \fBDisplay\fR section should be more complete.
+.P
+Further bugs can be found or reported at 
+.BR http://nfs.sf.net/ .
+.\" -------------------- AUTHOR ----------------------------------
+.SH AUTHOR
+Olaf Kirch, <okir@suse.de>
diff --git a/utils/showmount/Makefile.am b/utils/showmount/Makefile.am
new file mode 100644
index 0000000..d0a16b2
--- /dev/null
+++ b/utils/showmount/Makefile.am
@@ -0,0 +1,15 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS	= showmount.man
+EXTRA_DIST	= $(man8_MANS)
+
+sbin_PROGRAMS	= showmount
+showmount_SOURCES = showmount.c
+showmount_LDADD = ../../support/export/libexport.a \
+		  ../../support/nfs/libnfs.la \
+		  ../../support/misc/libmisc.a \
+		  $(LIBTIRPC)
+showmount_CPPFLAGS = $(AM_CPPFLAGS) $(CPPFLAGS) \
+		   -I$(top_builddir)/support/export
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/utils/showmount/Makefile.in b/utils/showmount/Makefile.in
new file mode 100644
index 0000000..7f842f7
--- /dev/null
+++ b/utils/showmount/Makefile.in
@@ -0,0 +1,831 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
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+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
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+  strip_trailopt () \
+  { \
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+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
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+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
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+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+sbin_PROGRAMS = showmount$(EXEEXT)
+subdir = utils/showmount
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/aclocal/ax_gcc_func_attribute.m4 \
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+	$(top_srcdir)/aclocal/kerberos5.m4 \
+	$(top_srcdir)/aclocal/keyutils.m4 \
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+	$(top_srcdir)/aclocal/libpthread.m4 \
+	$(top_srcdir)/aclocal/libsqlite3.m4 \
+	$(top_srcdir)/aclocal/libtirpc.m4 \
+	$(top_srcdir)/aclocal/libxml2.m4 \
+	$(top_srcdir)/aclocal/nfs-utils.m4 \
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+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
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+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/support/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"
+PROGRAMS = $(sbin_PROGRAMS)
+am_showmount_OBJECTS = showmount-showmount.$(OBJEXT)
+showmount_OBJECTS = $(am_showmount_OBJECTS)
+am__DEPENDENCIES_1 =
+showmount_DEPENDENCIES = ../../support/export/libexport.a \
+	../../support/nfs/libnfs.la ../../support/misc/libmisc.a \
+	$(am__DEPENDENCIES_1)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
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+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/support/include
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/showmount-showmount.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
+am__v_CCLD_1 = 
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+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/showmount-showmount.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
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+install-dvi-am:
+
+install-exec-am: install-sbinPROGRAMS
+
+install-html: install-html-am
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+install-html-am:
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+install-info: install-info-am
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+install-info-am:
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+install-man: install-man8
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+install-pdf: install-pdf-am
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+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/showmount-showmount.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+pdf: pdf-am
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+ps-am:
+
+uninstall-am: uninstall-man uninstall-sbinPROGRAMS
+
+uninstall-man: uninstall-man8
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-man uninstall-man8 uninstall-sbinPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/showmount/showmount.c b/utils/showmount/showmount.c
new file mode 100644
index 0000000..394f528
--- /dev/null
+++ b/utils/showmount/showmount.c
@@ -0,0 +1,323 @@
+/*
+ * showmount.c -- show mount information for an NFS server
+ * Copyright (C) 1993 Rick Sladkey <jrs@world.std.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/time.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <memory.h>
+#include <stdlib.h>
+#include <fcntl.h>
+
+#include <netdb.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <getopt.h>
+#include <mount.h>
+#include <unistd.h>
+
+#include "nfsrpc.h"
+
+#define TIMEOUT_UDP	3
+#define TOTAL_TIMEOUT	20
+
+static char *	version = "showmount for " VERSION;
+static char *	program_name;
+static int	headers = 1;
+static int	hflag = 0;
+static int	aflag = 0;
+static int	dflag = 0;
+static int	eflag = 0;
+
+static struct option longopts[] =
+{
+	{ "all", 0, 0, 'a' },
+	{ "directories", 0, 0, 'd' },
+	{ "exports", 0, 0, 'e' },
+	{ "no-headers", 0, &headers, 0 },
+	{ "version", 0, 0, 'v' },
+	{ "help", 0, 0, 'h' },
+	{ NULL, 0, 0, 0 }
+};
+
+#define MAXHOSTLEN 256
+
+static int dump_cmp(const void *pv, const void *qv)
+{
+	const char **p = (const char **)pv;
+	const char **q = (const char **)qv;
+	return strcmp(*p, *q);
+}
+
+static void usage(FILE *fp, int n)
+{
+	fprintf(fp, "Usage: %s [-adehv]\n", program_name);
+	fprintf(fp, "       [--all] [--directories] [--exports]\n");
+	fprintf(fp, "       [--no-headers] [--help] [--version] [host]\n");
+	exit(n);
+}
+
+static const char *mount_pgm_tbl[] = {
+	"showmount",
+	"mount",
+	"mountd",
+	NULL,
+};
+
+static const rpcvers_t mount_vers_tbl[] = {
+	MOUNTVERS_NFSV3,
+	MOUNTVERS_POSIX,
+	MOUNTVERS,
+};
+static const unsigned int max_vers_tblsz = 
+	(sizeof(mount_vers_tbl)/sizeof(mount_vers_tbl[0]));
+
+/*
+ * Generate an RPC client handle connected to the mountd service
+ * at @hostname, or die trying.
+ *
+ * Supports both AF_INET and AF_INET6 server addresses.
+ */
+static CLIENT *nfs_get_mount_client(const char *hostname, rpcvers_t vers)
+{
+	rpcprog_t program = nfs_getrpcbyname(MOUNTPROG, mount_pgm_tbl);
+	CLIENT *client;
+
+	client = clnt_create(hostname, program, vers, "tcp");
+	if (client)
+		return client;
+	client = clnt_create(hostname, program, vers, "udp");
+	if (client)
+		return client;
+
+	clnt_pcreateerror("clnt_create");
+	exit(1);
+}
+
+int main(int argc, char **argv)
+{
+	char hostname_buf[MAXHOSTLEN];
+	char *hostname;
+	enum clnt_stat clnt_stat;
+	struct timeval total_timeout;
+	int c;
+	CLIENT *mclient;
+	groups grouplist;
+	exports exportlist, exl;
+	mountlist dumplist;
+	mountlist list;
+	int i;
+	int n;
+	int maxlen;
+	int unsigned vers=0;
+	char **dumpv;
+
+	program_name = argv[0];
+	while ((c = getopt_long(argc, argv, "adehv", longopts, NULL)) != EOF) {
+		switch (c) {
+		case 'a':
+			aflag = 1;
+			break;
+		case 'd':
+			dflag = 1;
+			break;
+		case 'e':
+			eflag = 1;
+			break;
+		case 'h':
+			usage(stdout, 0);
+			break;
+		case 'v':
+			printf("%s\n", version);
+			exit(0);
+		case 0:
+			break;
+		case '?':
+		default:
+			usage(stderr, 1);
+			break;
+		}
+	}
+	argc -= optind;
+	argv += optind;
+
+	switch (aflag + dflag + eflag) {
+	case 0:
+		hflag = 1;
+		break;
+	case 1:
+		break;
+	default:
+		fprintf(stderr, "%s: only one of -a, -d or -e is allowed\n",
+			program_name);
+		exit(1);
+		break;
+	}
+
+	switch (argc) {
+	case 0:
+		if (gethostname(hostname_buf, MAXHOSTLEN) < 0) {
+			perror("getting hostname");
+			exit(1);
+		}
+		hostname = hostname_buf;
+		break;
+	case 1:
+		hostname = argv[0];
+		break;
+	default:
+		fprintf(stderr, "%s: only one hostname is allowed\n",
+			program_name);
+		exit(1);
+		break;
+	}
+
+	mclient = nfs_get_mount_client(hostname, mount_vers_tbl[vers]);
+	mclient->cl_auth = nfs_authsys_create();
+	if (mclient->cl_auth == NULL) {
+		fprintf(stderr, "%s: unable to create RPC auth handle.\n",
+				program_name);
+		clnt_destroy(mclient);
+		exit(1);
+	}
+	total_timeout.tv_sec = TOTAL_TIMEOUT;
+	total_timeout.tv_usec = 0;
+
+again:
+	if (eflag) {
+		memset(&exportlist, '\0', sizeof(exportlist));
+
+		clnt_stat = clnt_call(mclient, MOUNTPROC_EXPORT,
+			(xdrproc_t) xdr_void, NULL,
+			(xdrproc_t) xdr_exports, (caddr_t) &exportlist,
+			total_timeout);
+		if (clnt_stat == RPC_PROGVERSMISMATCH) {
+			if (++vers <  max_vers_tblsz) {
+				(void)CLNT_CONTROL(mclient, CLSET_VERS, 
+					(void *)&mount_vers_tbl[vers]);
+				goto again;
+				}
+		}
+		if (clnt_stat != RPC_SUCCESS) {
+			clnt_perror(mclient, "rpc mount export");
+			clnt_destroy(mclient);
+			exit(1);
+		}
+		if (headers)
+			printf("Export list for %s:\n", hostname);
+		maxlen = 0;
+		for (exl = exportlist; exl; exl = exl->ex_next) {
+			if ((n = strlen(exl->ex_dir)) > maxlen)
+				maxlen = n;
+		}
+		while (exportlist) {
+			printf("%-*s ", maxlen, exportlist->ex_dir);
+			grouplist = exportlist->ex_groups;
+			if (grouplist)
+				while (grouplist) {
+					printf("%s%s", grouplist->gr_name,
+						grouplist->gr_next ? "," : "");
+					grouplist = grouplist->gr_next;
+				}
+			else
+				printf("(everyone)");
+			printf("\n");
+			exportlist = exportlist->ex_next;
+		}
+		clnt_destroy(mclient);
+		exit(0);
+	}
+
+	memset(&dumplist, '\0', sizeof(dumplist));
+	clnt_stat = clnt_call(mclient, MOUNTPROC_DUMP,
+		(xdrproc_t) xdr_void, NULL,
+		(xdrproc_t) xdr_mountlist, (caddr_t) &dumplist,
+		total_timeout);
+	if (clnt_stat == RPC_PROGVERSMISMATCH) {
+		if (++vers <  max_vers_tblsz) {
+			(void)CLNT_CONTROL(mclient, CLSET_VERS, 
+				(void *)&mount_vers_tbl[vers]);
+			goto again;
+		}
+	}
+	if (clnt_stat != RPC_SUCCESS) {
+		clnt_perror(mclient, "rpc mount dump");
+		clnt_destroy(mclient);
+		exit(1);
+	}
+	clnt_destroy(mclient);
+
+	n = 0;
+	for (list = dumplist; list; list = list->ml_next)
+		n++;
+	dumpv = (char **) calloc(n, sizeof (char *));
+	if (n && !dumpv) {
+		fprintf(stderr, "%s: out of memory\n", program_name);
+		exit(1);
+	}
+	i = 0;
+
+	if (hflag) {
+		if (headers)
+			printf("Hosts on %s:\n", hostname);
+		while (dumplist) {
+			dumpv[i++] = dumplist->ml_hostname;
+			dumplist = dumplist->ml_next;
+		}
+	}
+	else if (aflag) {
+		if (headers)
+			printf("All mount points on %s:\n", hostname);
+		while (dumplist) {
+			char *t;
+
+			t=malloc(strlen(dumplist->ml_hostname)+strlen(dumplist->ml_directory)+2);
+			if (!t)
+			{
+				fprintf(stderr, "%s: out of memory\n", program_name);
+				exit(1);
+			}
+			sprintf(t, "%s:%s", dumplist->ml_hostname, dumplist->ml_directory);
+			dumpv[i++] = t;
+			dumplist = dumplist->ml_next;
+		}
+	}
+	else if (dflag) {
+		if (headers)
+			printf("Directories on %s:\n", hostname);
+		while (dumplist) {
+			dumpv[i++] = dumplist->ml_directory;
+			dumplist = dumplist->ml_next;
+		}
+	}
+
+	qsort(dumpv, n, sizeof (char *), dump_cmp);
+	
+	for (i = 0; i < n; i++) {
+		if (i == 0 || strcmp(dumpv[i], dumpv[i - 1]) != 0)
+			printf("%s\n", dumpv[i]);
+	}
+	exit(0);
+}
+
diff --git a/utils/showmount/showmount.man b/utils/showmount/showmount.man
new file mode 100644
index 0000000..35818e1
--- /dev/null
+++ b/utils/showmount/showmount.man
@@ -0,0 +1,65 @@
+.\" Copyright 1993 Rick Sladkey <jrs@world.std.com>
+.\" May be distributed under the GNU General Public License
+.TH SHOWMOUNT 8 "6 October 1993"
+.SH NAME
+showmount \- show mount information for an NFS server
+.SH SYNOPSIS
+.B showmount
+.B "[\ \-adehv\ ]"
+.B "[\ \-\-all\ ]"
+.B "[\ \-\-directories\ ]"
+.B "[\ \-\-exports\ ]"
+.B "[\ \-\-help\ ]"
+.B "[\ \-\-version\ ]"
+.B "[\ host\ ]"
+.SH DESCRIPTION
+.B showmount
+queries the mount daemon on a remote host for information about
+the state of the NFS server on that machine.  With no options
+.B showmount
+lists the set of clients who are mounting from that host.
+The output from
+.B showmount
+is designed to
+appear as though it were processed through ``sort \-u''.
+.SH OPTIONS
+.TP
+.BR \-a " or " \-\-all
+List both the client hostname or IP address and mounted directory in
+host:dir format. This info should not be considered reliable. See the notes
+on rmtab in 
+.BR rpc.mountd (8).
+.TP
+.BR \-d " or " \-\-directories
+List only the directories mounted by some client.
+.TP
+.BR \-e " or " \-\-exports
+Show the NFS server's export list.
+.TP
+.BR \-h " or " \-\-help
+Provide a short help summary.
+.TP
+.BR \-v " or " \-\-version
+Report the current version number of the program.
+.TP
+.B \-\-no\-headers
+Suppress the descriptive headings from the output.
+.SH "SEE ALSO"
+.BR rpc.mountd (8),
+.BR rpc.nfsd (8)
+.SH BUGS
+The completeness and accuracy of the information that
+.B showmount
+displays varies according to the NFS server's implementation.
+.P
+Because
+.B showmount
+sorts and uniqs the output, it is impossible to determine from
+the output whether a client is mounting the same directory more than once.
+.P
+.B showmount
+works by contacting the server's MNT service directly. NFSv4-only servers have
+no need to advertise their exported root filehandles via this method, and may
+not expose their MNT service to clients.
+.SH AUTHOR
+Rick Sladkey <jrs@world.std.com>
diff --git a/utils/statd/.gitignore b/utils/statd/.gitignore
new file mode 100644
index 0000000..99b0cce
--- /dev/null
+++ b/utils/statd/.gitignore
@@ -0,0 +1 @@
+sm-notify
diff --git a/utils/statd/COPYING b/utils/statd/COPYING
new file mode 100644
index 0000000..60549be
--- /dev/null
+++ b/utils/statd/COPYING
@@ -0,0 +1,340 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable.  However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) 19yy  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) 19yy name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/utils/statd/Makefile.am b/utils/statd/Makefile.am
new file mode 100644
index 0000000..6facc15
--- /dev/null
+++ b/utils/statd/Makefile.am
@@ -0,0 +1,93 @@
+## Process this file with automake to produce Makefile.in
+
+man8_MANS = statd.man sm-notify.man
+
+RPCPREFIX	= rpc.
+KPREFIX		= @kprefix@
+sbin_PROGRAMS	= statd sm-notify
+dist_sbin_SCRIPTS	= start-statd
+statd_SOURCES = callback.c notlist.c misc.c monitor.c hostname.c \
+	        simu.c stat.c statd.c svc_run.c rmtcall.c \
+	        notlist.h statd.h system.h
+sm_notify_SOURCES = sm-notify.c
+
+BUILT_SOURCES = $(GENFILES)
+statd_LDADD = ../../support/nsm/libnsm.a \
+	      ../../support/nfs/libnfs.la \
+	      ../../support/misc/libmisc.a \
+	      $(LIBWRAP) $(LIBNSL) $(LIBCAP) $(LIBTIRPC)
+sm_notify_LDADD = ../../support/nsm/libnsm.a \
+		  ../../support/nfs/libnfs.la \
+	          ../../support/misc/libmisc.a \
+		  $(LIBNSL) $(LIBCAP) $(LIBTIRPC)
+
+EXTRA_DIST = sim_sm_inter.x $(man8_MANS) simulate.c
+
+if CONFIG_RPCGEN
+RPCGEN	= $(top_builddir)/tools/rpcgen/rpcgen
+$(RPCGEN):
+	make -C ../../tools/rpcgen all
+else
+RPCGEN = @RPCGEN_PATH@
+endif
+
+$(GENFILES_CLNT): %_clnt.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
+
+$(GENFILES_SVC): %_svc.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -m -o $@ $<
+
+$(GENFILES_XDR): %_xdr.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+
+MAINTAINERCLEANFILES = Makefile.in
+
+CLEANFILES = $(GENFILES)
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    [ $$p = sm-notify ] || mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    [ $$p = sm-notify ] || rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
diff --git a/utils/statd/Makefile.in b/utils/statd/Makefile.in
new file mode 100644
index 0000000..8754504
--- /dev/null
+++ b/utils/statd/Makefile.in
@@ -0,0 +1,984 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
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+am__install_max = 40
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+am__nobase_list = $(am__nobase_strip_setup); \
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+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
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+	done >> $(top_builddir)/cscope.files
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
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+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
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+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
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+	done
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+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+	fi
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+	-rm -f ./$(DEPDIR)/monitor.Po
+	-rm -f ./$(DEPDIR)/notlist.Po
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+	-rm -f ./$(DEPDIR)/simu.Po
+	-rm -f ./$(DEPDIR)/sm-notify.Po
+	-rm -f ./$(DEPDIR)/stat.Po
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+	-rm -f ./$(DEPDIR)/notlist.Po
+	-rm -f ./$(DEPDIR)/rmtcall.Po
+	-rm -f ./$(DEPDIR)/simu.Po
+	-rm -f ./$(DEPDIR)/sm-notify.Po
+	-rm -f ./$(DEPDIR)/stat.Po
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+	install-strip uninstall-am
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-sbinPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dist_sbinSCRIPTS install-dvi \
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+	uninstall-hook uninstall-man uninstall-man8 \
+	uninstall-sbinPROGRAMS
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+.PRECIOUS: Makefile
+
+@CONFIG_RPCGEN_TRUE@$(RPCGEN):
+@CONFIG_RPCGEN_TRUE@	make -C ../../tools/rpcgen all
+
+$(GENFILES_CLNT): %_clnt.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -l -o $@ $<
+
+$(GENFILES_SVC): %_svc.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -m -o $@ $<
+
+$(GENFILES_XDR): %_xdr.c: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -c -o $@ $<
+
+$(GENFILES_H): %.h: %.x $(RPCGEN)
+	test -f $@ && rm -rf $@ || true
+	$(RPCGEN) -h -o $@ $<
+
+#######################################################################
+# The following allows the current practice of having
+# daemons renamed during the install to include RPCPREFIX
+# and the KPREFIX
+# This could all be done much easier with program_transform_name
+# ( program_transform_name = s/^/$(RPCPREFIX)$(KPREFIX)/ )
+# but that also renames the man pages, which the current
+# practice does not do.
+install-exec-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    [ $$p = sm-notify ] || mv -f $$p$(EXEEXT) $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+uninstall-hook:
+	(cd $(DESTDIR)$(sbindir) && \
+	  for p in $(sbin_PROGRAMS); do \
+	    [ $$p = sm-notify ] || rm -f $(RPCPREFIX)$(KPREFIX)$$p$(EXEEXT) ;\
+	  done)
+
+# XXX This makes some assumptions about what automake does.
+# XXX But there is no install-man-hook or install-man-local.
+install-man: install-man8 install-man-links
+uninstall-man: uninstall-man8 uninstall-man-links
+
+install-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	    $(LN_S) $$inst $(RPCPREFIX)$$inst ; \
+	  done)
+
+uninstall-man-links:
+	(cd $(DESTDIR)$(man8dir) && \
+	  for m in $(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS); do \
+	    inst=`echo $$m | sed -e 's/man$$/8/'`; \
+	    rm -f $(RPCPREFIX)$$inst ; \
+	  done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/statd/TODO b/utils/statd/TODO
new file mode 100644
index 0000000..0ee050a
--- /dev/null
+++ b/utils/statd/TODO
@@ -0,0 +1,13 @@
+Some things still left to do (not a comprehensive list):
+
+* Go through Olaf's extensive changes (especially the list and callback
+  handling, which is the meat of the server) and understand everything
+  that he's done.
+
+* Continue checking for security holes.
+
+* Handle multiple SM_MON requests that are identical save for the "priv"
+  information.  How should I do this?  No spec's...(it's not really
+  supposed to happen).  [Did Olaf already address this?]
+
+* BETTER CODE COMMENTS!
diff --git a/utils/statd/callback.c b/utils/statd/callback.c
new file mode 100644
index 0000000..bb7c590
--- /dev/null
+++ b/utils/statd/callback.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, Oct. 1996.
+ * Modified by Lon Hohberger, Oct. 2000.
+ *
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <netdb.h>
+
+#include "rpcmisc.h"
+#include "statd.h"
+#include "notlist.h"
+#include "ha-callout.h"
+
+/* Callback notify list. */
+/* notify_list *cbnl = NULL; ... never used */
+
+
+/*
+ * Services SM_NOTIFY requests.
+ *
+ * When NLM uses an SM_MON request to tell statd to monitor a remote,
+ * the request contains a "mon_name" argument.  This is usually the
+ * "caller_name" argument of an NLMPROC_LOCK request.  On Linux, the
+ * NLM can send statd the remote's IP address instead of its
+ * caller_name.  The NSM protocol does not allow both the remote's
+ * caller_name and it's IP address to be sent in the same SM_MON
+ * request.
+ *
+ * The remote's caller_name is useful because it makes it simple
+ * to identify rebooting remotes by matching the "mon_name" argument
+ * they sent via an SM_NOTIFY request.
+ *
+ * The caller_name string may not be a fully qualified domain name,
+ * or even registered in the DNS database, however.  Having the
+ * remote's IP address is useful because then there is no ambiguity
+ * about where to send an SM_NOTIFY after the local system reboots.
+ *
+ * Without the actual caller_name, however, statd must use an
+ * heuristic to match an incoming SM_NOTIFY request to one of the
+ * hosts it is currently monitoring.  The incoming mon_name in an
+ * SM_NOTIFY address is converted to a list of IP addresses using
+ * DNS.  Each mon_name on statd's monitor list is also converted to
+ * an address list, and the two lists are checked to see if there is
+ * a matching address.
+ *
+ * There are some risks to this strategy:
+ *
+ *   1.  The external DNS database is not reliable.  It can change
+ *       over time, or the forward and reverse mappings could be
+ *       inconsistent.
+ *
+ *   2.  If statd's monitor list becomes substantial, finding a match
+ *       can generate a not inconsequential amount of DNS traffic.
+ *
+ *   3.  statd is a single-threaded service.  When DNS becomes slow or
+ *       unresponsive, statd also becomes slow or unresponsive.
+ *
+ *   4.  If the remote does not have a DNS entry at all (or if the
+ *       remote can resolve itself, but the local host can't resolve
+ *       the remote's hostname), the remote cannot be monitored, and
+ *       therefore NLM locking cannot be provided for that host.
+ *
+ *   5.  Local DNS resolution can produce different results for the
+ *       mon_name than the results the remote might see for the same
+ *       query, especially if the remote did not send a caller_name
+ *       or mon_name that is a fully qualified domain name.
+ *
+ *       Note that a caller_name is passed from NFS client to server,
+ *       but the client never knows what mon_name the server might use
+ *       to notify it of a reboot.  On Linux, the client extracts the
+ *       server's name from the devname it was passed by the mount
+ *       command.  This is often not a fully-qualified domain name.
+ */
+void *
+sm_notify_1_svc(struct stat_chge *argp, struct svc_req *rqstp)
+{
+	notify_list    *lp, *call;
+	static char    *result = NULL;
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char		ip_addr[INET6_ADDRSTRLEN];
+
+	xlog(D_CALL, "Received SM_NOTIFY from %s, state: %d",
+				argp->mon_name, argp->state);
+
+	if (!statd_present_address(sap, ip_addr, sizeof(ip_addr))) {
+		xlog_warn("Unrecognized sender address");
+		return ((void *) &result);
+	}
+
+	ha_callout("sm-notify", argp->mon_name, ip_addr, argp->state);
+
+	/* quick check - don't bother if we're not monitoring anyone */
+	if (rtnl == NULL) {
+		xlog_warn("SM_NOTIFY from %s while not monitoring any hosts",
+				argp->mon_name);
+		return ((void *) &result);
+	}
+
+	/* okir change: statd doesn't remove the remote host from its
+	 * internal monitor list when receiving an SM_NOTIFY call from
+	 * it. Lockd will want to continue monitoring the remote host
+	 * until it issues an SM_UNMON call.
+	 */
+	for (lp = rtnl ; lp ; lp = lp->next)
+		if (NL_STATE(lp) != argp->state &&
+		    (statd_matchhostname(argp->mon_name, lp->dns_name) ||
+		     statd_matchhostname(ip_addr, lp->dns_name))) {
+			NL_STATE(lp) = argp->state;
+			call = nlist_clone(lp);
+			nlist_insert(&notify, call);
+		}
+
+
+	return ((void *) &result);
+}
diff --git a/utils/statd/hostname.c b/utils/statd/hostname.c
new file mode 100644
index 0000000..16e21fc
--- /dev/null
+++ b/utils/statd/hostname.c
@@ -0,0 +1,319 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include <strings.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#include "nfslib.h"
+#include "sockaddr.h"
+#include "statd.h"
+#include "xlog.h"
+
+/**
+ * statd_present_address - convert sockaddr to presentation address
+ * @sap: pointer to socket address to convert
+ * @buf: pointer to buffer to fill in
+ * @buflen: length of buffer
+ *
+ * Convert the passed-in sockaddr-style address to presentation format.
+ * The presentation format address is placed in @buf and is
+ * '\0'-terminated.
+ *
+ * Returns true if successful; otherwise false.
+ *
+ * getnameinfo(3) is preferred, since it can parse IPv6 scope IDs.
+ * An alternate version of statd_present_address() is available to
+ * handle older glibcs that do not have getnameinfo(3).
+ */
+#ifdef HAVE_GETNAMEINFO
+_Bool
+statd_present_address(const struct sockaddr *sap, char *buf, const size_t buflen)
+{
+	socklen_t salen;
+	int error;
+
+	salen = nfs_sockaddr_length(sap);
+	if (salen == 0) {
+		xlog(D_GENERAL, "%s: unsupported address family",
+				__func__);
+		return false;
+	}
+
+	error = getnameinfo(sap, salen, buf, (socklen_t)buflen,
+						NULL, 0, NI_NUMERICHOST);
+	if (error != 0) {
+		xlog(D_GENERAL, "%s: getnameinfo(3): %s",
+				__func__, gai_strerror(error));
+		return false;
+	}
+	return true;
+}
+#else	/* !HAVE_GETNAMEINFO */
+_Bool
+statd_present_address(const struct sockaddr *sap, char *buf, const size_t buflen)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+
+	if (sin->sin_family != AF_INET) {
+		xlog(D_GENERAL, "%s: unsupported address family", __func__);
+		return false;
+	}
+
+	/* ensure '\0' termination */
+	memset(buf, 0, buflen);
+
+	if (inet_ntop(AF_INET, (char *)&sin->sin_addr,
+					buf, (socklen_t)buflen) == NULL) {
+		xlog(D_GENERAL, "%s: inet_ntop(3): %m", __func__);
+		return false;
+	}
+	return true;
+}
+#endif	/* !HAVE_GETNAMEINFO */
+
+/*
+ * Look up the hostname; report exceptional errors.  Caller must
+ * call freeaddrinfo(3) if a valid addrinfo is returned.
+ */
+__attribute__((__malloc__))
+static struct addrinfo *
+get_addrinfo(const char *hostname, const struct addrinfo *hint)
+{
+	struct addrinfo *ai = NULL;
+	int error;
+
+	error = getaddrinfo(hostname, NULL, hint, &ai);
+	switch (error) {
+	case 0:
+		return ai;
+	case EAI_NONAME:
+		break;
+	default:
+		xlog(D_GENERAL, "%s: failed to resolve host %s: %s",
+				__func__, hostname, gai_strerror(error));
+	}
+
+	return NULL;
+}
+
+#ifdef HAVE_GETNAMEINFO
+static _Bool
+get_nameinfo(const struct sockaddr *sap, const socklen_t salen,
+		/*@out@*/ char *buf, const socklen_t buflen)
+{
+	int error;
+
+	error = getnameinfo(sap, salen, buf, buflen, NULL, 0, NI_NAMEREQD);
+	if (error != 0) {
+		xlog(D_GENERAL, "%s: failed to resolve address: %s",
+				__func__, gai_strerror(error));
+		return false;
+	}
+
+	return true;
+}
+#else	/* !HAVE_GETNAMEINFO */
+static _Bool
+get_nameinfo(const struct sockaddr *sap,
+		__attribute__ ((unused)) const socklen_t salen,
+		/*@out@*/ char *buf, socklen_t buflen)
+{
+	struct sockaddr_in *sin = (struct sockaddr_in *)(char *)sap;
+	struct hostent *hp;
+
+	if (sin->sin_family != AF_INET) {
+		xlog(D_GENERAL, "%s: unknown address family: %d",
+				sin->sin_family);
+		return false;
+	}
+
+	hp = gethostbyaddr((const char *)&(sin->sin_addr.s_addr),
+				sizeof(struct in_addr), AF_INET);
+	if (hp == NULL) {
+		xlog(D_GENERAL, "%s: failed to resolve address: %m", __func__);
+		return false;
+	}
+
+	strncpy(buf, hp->h_name, (size_t)buflen);
+	return true;
+}
+#endif	/* !HAVE_GETNAMEINFO */
+
+/**
+ * statd_canonical_name - choose file name for monitor record files
+ * @hostname: C string containing hostname or presentation address
+ *
+ * Returns a '\0'-terminated ASCII string containing a fully qualified
+ * canonical hostname, or NULL if @hostname does not have a reverse
+ * mapping.  Caller must free the result with free(3).
+ *
+ * Incoming hostnames are looked up to determine the canonical hostname,
+ * and incoming presentation addresses are converted to canonical
+ * hostnames.
+ */
+__attribute__((__malloc__))
+char *
+statd_canonical_name(const char *hostname)
+{
+	struct addrinfo hint = {
+#ifdef IPV6_SUPPORTED
+		.ai_family	= AF_UNSPEC,
+#else	/* !IPV6_SUPPORTED */
+		.ai_family	= AF_INET,
+#endif	/* !IPV6_SUPPORTED */
+		.ai_flags	= AI_NUMERICHOST,
+		.ai_protocol	= (int)IPPROTO_UDP,
+	};
+	char buf[NI_MAXHOST];
+	struct addrinfo *ai;
+
+	ai = get_addrinfo(hostname, &hint);
+	if (ai != NULL) {
+		/* @hostname was a presentation address */
+		_Bool result;
+		result = get_nameinfo(ai->ai_addr, ai->ai_addrlen,
+					buf, (socklen_t)sizeof(buf));
+		nfs_freeaddrinfo(ai);
+		if (!result || buf[0] == '\0')
+			/* OK to use presentation address,
+			 * if no reverse map exists */
+			return strdup(hostname);
+		return strdup(buf);
+	}
+
+	/* @hostname was a hostname */
+	hint.ai_flags = AI_CANONNAME;
+	ai = get_addrinfo(hostname, &hint);
+	if (ai == NULL)
+		return NULL;
+	strcpy(buf, ai->ai_canonname);
+	nfs_freeaddrinfo(ai);
+
+	return strdup(buf);
+}
+
+/*
+ * Take care to perform an explicit reverse lookup on presentation
+ * addresses.  Otherwise we don't get a real canonical name or a
+ * complete list of addresses.
+ *
+ * Returns an addrinfo list that has ai_canonname filled in, or
+ * NULL if some error occurs.  Caller must free the returned
+ * list with freeaddrinfo(3).
+ */
+__attribute__((__malloc__))
+static struct addrinfo *
+statd_canonical_list(const char *hostname)
+{
+	struct addrinfo hint = {
+#ifdef IPV6_SUPPORTED
+		.ai_family	= AF_UNSPEC,
+#else	/* !IPV6_SUPPORTED */
+		.ai_family	= AF_INET,
+#endif	/* !IPV6_SUPPORTED */
+		.ai_flags	= AI_NUMERICHOST,
+		.ai_protocol	= (int)IPPROTO_UDP,
+	};
+	char buf[NI_MAXHOST];
+	struct addrinfo *ai;
+
+	ai = get_addrinfo(hostname, &hint);
+	if (ai != NULL) {
+		/* @hostname was a presentation address */
+		_Bool result;
+		result = get_nameinfo(ai->ai_addr, ai->ai_addrlen,
+					buf, (socklen_t)sizeof(buf));
+		nfs_freeaddrinfo(ai);
+		if (result)
+			goto out;
+	}
+	/* @hostname was a hostname or had no reverse mapping */
+	strcpy(buf, hostname);
+
+out:
+	hint.ai_flags = AI_CANONNAME;
+	return get_addrinfo(buf, &hint);
+}
+
+/**
+ * statd_matchhostname - check if two hostnames are equivalent
+ * @hostname1: C string containing hostname
+ * @hostname2: C string containing hostname
+ *
+ * Returns true if the hostnames are the same, the hostnames resolve
+ * to the same canonical name, or the hostnames resolve to at least
+ * one address that is the same.  False is returned if the hostnames
+ * do not match in any of these ways, if either hostname contains
+ * wildcard characters, if either hostname is a netgroup name, or
+ * if an error occurs.
+ */
+_Bool
+statd_matchhostname(const char *hostname1, const char *hostname2)
+{
+	struct addrinfo *ai1, *ai2, *results1 = NULL, *results2 = NULL;
+	_Bool result = false;
+
+	if (strcasecmp(hostname1, hostname2) == 0) {
+		result = true;
+		goto out;
+	}
+
+	results1 = statd_canonical_list(hostname1);
+	if (results1 == NULL)
+		goto out;
+	results2 = statd_canonical_list(hostname2);
+	if (results2 == NULL)
+		goto out;
+
+	if (strcasecmp(results1->ai_canonname, results2->ai_canonname) == 0) {
+		result = true;
+		goto out;
+	}
+
+	for (ai1 = results1; ai1 != NULL; ai1 = ai1->ai_next)
+		for (ai2 = results2; ai2 != NULL; ai2 = ai2->ai_next)
+			if (nfs_compare_sockaddr(ai1->ai_addr, ai2->ai_addr)) {
+				result = true;
+				break;
+			}
+
+out:
+	nfs_freeaddrinfo(results2);
+	nfs_freeaddrinfo(results1);
+
+	xlog(D_CALL, "%s: hostnames %s and %s %s", __func__,
+			hostname1, hostname2,
+			(result ? "matched" : "did not match"));
+	return result;
+}
diff --git a/utils/statd/misc.c b/utils/statd/misc.c
new file mode 100644
index 0000000..f2a086f
--- /dev/null
+++ b/utils/statd/misc.c
@@ -0,0 +1,51 @@
+/* 
+ * Copyright (C) 1995-1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, 1996.
+ * Modified by H.J. Lu, 1998.
+ *
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <limits.h>
+#include <string.h>
+#include <unistd.h>
+#include "statd.h"
+#include "notlist.h"
+
+/*
+ * Error-checking malloc() wrapper.
+ */
+void *
+xmalloc (size_t size)
+{
+  void *ptr;
+
+  if (size == 0)
+    return ((void *)NULL);
+
+  if (!(ptr = malloc (size)))
+    xlog_err ("malloc failed");
+
+  return (ptr);
+}
+
+
+/* 
+ * Error-checking strdup() wrapper.
+ */
+char *
+xstrdup (const char *string)
+{
+  char *result;
+
+  /* Will only fail if underlying malloc() fails (ENOMEM). */
+  if (!(result = strdup (string)))
+    xlog_err ("strdup failed");
+
+  return (result);
+}
diff --git a/utils/statd/monitor.c b/utils/statd/monitor.c
new file mode 100644
index 0000000..c76589c
--- /dev/null
+++ b/utils/statd/monitor.c
@@ -0,0 +1,399 @@
+/*
+ * Copyright (C) 1995-1999 Jeffrey A. Uphoff
+ * Major rewrite by Olaf Kirch, Dec. 1996.
+ * Modified by H.J. Lu, 1998.
+ * Tighter access control, Olaf Kirch June 1999.
+ *
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <fcntl.h>
+#include <limits.h>
+#include <netdb.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <arpa/inet.h>
+#include <dirent.h>
+
+#include "sockaddr.h"
+#include "rpcmisc.h"
+#include "nsm.h"
+#include "statd.h"
+#include "notlist.h"
+#include "ha-callout.h"
+
+notify_list *		rtnl = NULL;	/* Run-time notify list. */
+
+/*
+ * Reject requests from non-loopback addresses in order
+ * to prevent attack described in CERT CA-99.05.
+ *
+ * Although the kernel contacts the statd service via only IPv4
+ * transports, the statd service can receive other requests, such
+ * as SM_NOTIFY, from remote peers via IPv6.
+ */
+static _Bool
+caller_is_localhost(struct svc_req *rqstp)
+{
+	struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+	char buf[INET6_ADDRSTRLEN];
+
+	if (!nfs_is_v4_loopback(sap))
+		goto out_nonlocal;
+	return true;
+
+out_nonlocal:
+	if (!statd_present_address(sap, buf, sizeof(buf)))
+		buf[0] = '\0';
+	xlog_warn("SM_MON/SM_UNMON call from non-local host %s", buf);
+	return false;
+}
+
+/*
+ * Services SM_MON requests.
+ */
+struct sm_stat_res *
+sm_mon_1_svc(struct mon *argp, struct svc_req *rqstp)
+{
+	static sm_stat_res result;
+	char		*mon_name = argp->mon_id.mon_name,
+			*my_name  = argp->mon_id.my_id.my_name;
+	struct my_id	*id = &argp->mon_id.my_id;
+	char		*cp;
+	notify_list	*clnt = NULL;
+	struct sockaddr_in my_addr = {
+		.sin_family		= AF_INET,
+		.sin_addr.s_addr	= htonl(INADDR_LOOPBACK),
+	};
+	char *dnsname = NULL;
+	int existing = 0;
+
+	xlog(D_CALL, "Received SM_MON for %s from %s", mon_name, my_name);
+
+	/* Assume that we'll fail. */
+	result.res_stat = STAT_FAIL;
+	result.state = -1;	/* State is undefined for STAT_FAIL. */
+
+	/* 1.	Reject any remote callers.
+	 *	Ignore the my_name specified by the caller, and
+	 *	use "127.0.0.1" instead.
+	 */
+	if (!caller_is_localhost(rqstp))
+		goto failure;
+
+	/* 2.	Reject any registrations for non-lockd services.
+	 *
+	 *	This is specific to the linux kernel lockd, which
+	 *	makes the callback procedure part of the lockd interface.
+	 *	It is also prone to break when lockd changes its callback
+	 *	procedure number -- which, in fact, has now happened once.
+	 *	There must be a better way....   XXX FIXME
+	 */
+	if (id->my_prog != 100021 ||
+	    (id->my_proc != 16 && id->my_proc != 24))
+	{
+		xlog_warn("Attempt to register callback to %d/%d",
+			id->my_prog, id->my_proc);
+		goto failure;
+	}
+
+	/*
+	 * Check hostnames.  If I can't look them up, I won't monitor.  This
+	 * might not be legal, but it adds a little bit of safety and sanity.
+	 */
+
+	/* must check for /'s in hostname!  See CERT's CA-96.09 for details. */
+	if (strchr(mon_name, '/') || mon_name[0] == '.') {
+		xlog(L_ERROR, "SM_MON request for hostname containing '/' "
+		     "or starting '.': %s", mon_name);
+		xlog(L_ERROR, "POSSIBLE SPOOF/ATTACK ATTEMPT!");
+		goto failure;
+	}
+
+	/* my_name must not have white space */
+	for (cp=my_name ; *cp ; cp++)
+		if (*cp == ' ' || *cp == '\t' || *cp == '\r' || *cp == '\n')
+			*cp = '_';
+
+	/*
+	 * Hostnames checked OK.
+	 * Now choose a hostname to use for matching.  We cannot
+	 * really trust much in the incoming NOTIFY, so to make
+	 * sure that multi-homed hosts work nicely, we get an
+	 * FQDN now, and use that for matching.
+	 */
+	dnsname = statd_canonical_name(mon_name);
+	if (dnsname == NULL) {
+		xlog(L_WARNING, "No canonical hostname found for %s", mon_name);
+		goto failure;
+	}
+
+	/* Now check to see if this is a duplicate, and warn if so.
+	 * I will also return STAT_FAIL. (I *think* this is how I should
+	 * handle it.)
+	 *
+	 * Olaf requests that I allow duplicate SM_MON requests for
+	 * hosts due to the way he is coding lockd. No problem,
+	 * I'll just do a quickie success return and things should
+	 * be happy.
+	 */
+	clnt = rtnl;
+
+	while ((clnt = nlist_gethost(clnt, mon_name, 0))) {
+		if (statd_matchhostname(NL_MY_NAME(clnt), my_name) &&
+		    NL_MY_PROC(clnt) == id->my_proc &&
+		    NL_MY_PROG(clnt) == id->my_prog &&
+		    NL_MY_VERS(clnt) == id->my_vers) {
+			if (memcmp(NL_PRIV(clnt), argp->priv, SM_PRIV_SIZE)) {
+				xlog(D_GENERAL,
+					"Received SM_MON request with new "
+					"cookie for %s from procedure on %s",
+					mon_name, my_name);
+
+				existing = 1; 
+				break;
+			} else {
+				/* Hey!  We already know you guys! */
+				xlog(D_GENERAL,
+					"Duplicate SM_MON request for %s "
+					"from procedure on %s",
+					mon_name, my_name);
+
+				/* But we'll let you pass anyway. */
+				free(dnsname);
+				goto success;
+			}
+		}
+		clnt = NL_NEXT(clnt);
+	}
+
+	/*
+	 * We're committed...ignoring errors.  Let's hope that a malloc()
+	 * doesn't fail.  (I should probably fix this assumption.)
+	 */
+	if (!existing && !(clnt = nlist_new(my_name, mon_name, 0))) {
+		free(dnsname);
+		xlog_warn("out of memory");
+		goto failure;
+	}
+
+	NL_MY_PROG(clnt) = id->my_prog;
+	NL_MY_VERS(clnt) = id->my_vers;
+	NL_MY_PROC(clnt) = id->my_proc;
+	memcpy(NL_PRIV(clnt), argp->priv, SM_PRIV_SIZE);
+	clnt->dns_name = dnsname;
+
+	/*
+	 * Now, Create file on stable storage for host, first deleting any
+	 * existing records on file.
+	 */
+	nsm_delete_monitored_host(dnsname, mon_name, my_name, 0);
+
+	if (!nsm_insert_monitored_host(dnsname,
+				(struct sockaddr *)(char *)&my_addr, argp)) {
+		nlist_free(existing ? &rtnl : NULL, clnt);
+		goto failure;
+	}
+
+	/* PRC: do the HA callout: */
+	ha_callout("add-client", mon_name, my_name, -1);
+	if (!existing)
+		nlist_insert(&rtnl, clnt);
+	xlog(D_GENERAL, "MONITORING %s for %s", mon_name, my_name);
+ success:
+	result.res_stat = STAT_SUCC;
+	/* SUN's sm_inter.x says this should be "state number of local site".
+	 * X/Open says '"state" will be contain the state of the remote NSM.'
+	 * href=http://www.opengroup.org/onlinepubs/9629799/SM_MON.htm
+	 * Linux lockd currently (2.6.21 and prior) ignores whatever is
+	 * returned, and given the above contraction, it probably always will..
+	 * So we just return what we always returned.  If possible, we
+	 * have already told lockd about our state number via a sysctl.
+	 * If lockd wants the remote state, it will need to
+	 * use SM_STAT (and prayer).
+	 */
+	result.state = MY_STATE;
+	return (&result);
+
+failure:
+	xlog_warn("STAT_FAIL to %s for SM_MON of %s", my_name, mon_name);
+	free(clnt);
+	return (&result);
+}
+
+static unsigned int
+load_one_host(const char *hostname,
+		__attribute__ ((unused)) const struct sockaddr *sap,
+		const struct mon *m,
+		__attribute__ ((unused)) const time_t timestamp)
+{
+	notify_list *clnt;
+
+	clnt = nlist_new(m->mon_id.my_id.my_name,
+				m->mon_id.mon_name, 0);
+	if (clnt == NULL)
+		return 0;
+
+	clnt->dns_name = strdup(hostname);
+	if (clnt->dns_name == NULL) {
+		nlist_free(NULL, clnt);
+		free(clnt);
+		return 0;
+	}
+
+	xlog(D_GENERAL, "Adding record for %s to the monitor list...",
+			hostname);
+
+	NL_MY_PROG(clnt) = m->mon_id.my_id.my_prog;
+	NL_MY_VERS(clnt) = m->mon_id.my_id.my_vers;
+	NL_MY_PROC(clnt) = m->mon_id.my_id.my_proc;
+	memcpy(NL_PRIV(clnt), m->priv, SM_PRIV_SIZE);
+
+	nlist_insert(&rtnl, clnt);
+	return 1;
+}
+
+void load_state(void)
+{
+	unsigned int count;
+
+	count = nsm_load_monitor_list(load_one_host);
+	if (count)
+		xlog(D_GENERAL, "Loaded %u previously monitored hosts", count);
+}
+
+/*
+ * Services SM_UNMON requests.
+ *
+ * There is no statement in the X/Open spec's about returning an error
+ * for requests to unmonitor a host that we're *not* monitoring.  I just
+ * return the state of the NSM when I get such foolish requests for lack
+ * of any better ideas.  (I also log the "offense.")
+ */
+struct sm_stat *
+sm_unmon_1_svc(struct mon_id *argp, struct svc_req *rqstp)
+{
+	static sm_stat  result;
+	notify_list	*clnt;
+	char		*mon_name = argp->mon_name,
+			*my_name  = argp->my_id.my_name;
+	struct my_id	*id = &argp->my_id;
+	char		*cp;
+
+	xlog(D_CALL, "Received SM_UNMON for %s from %s", mon_name, my_name);
+
+	result.state = MY_STATE;
+
+	if (!caller_is_localhost(rqstp))
+		goto failure;
+
+	/* my_name must not have white space */
+	for (cp=my_name ; *cp ; cp++)
+		if (*cp == ' ' || *cp == '\t' || *cp == '\r' || *cp == '\n')
+			*cp = '_';
+
+
+	/* Check if we're monitoring anyone. */
+	if (rtnl == NULL) {
+		xlog_warn("Received SM_UNMON request from %s for %s while not "
+			"monitoring any hosts", my_name, argp->mon_name);
+		return (&result);
+	}
+	clnt = rtnl;
+
+	/*
+	 * OK, we are.  Now look for appropriate entry in run-time list.
+	 * There should only be *one* match on this, since I block "duplicate"
+	 * SM_MON calls.  (Actually, duplicate calls are allowed, but only one
+	 * entry winds up in the list the way I'm currently handling them.)
+	 */
+	while ((clnt = nlist_gethost(clnt, mon_name, 0))) {
+		if (statd_matchhostname(NL_MY_NAME(clnt), my_name) &&
+			NL_MY_PROC(clnt) == id->my_proc &&
+			NL_MY_PROG(clnt) == id->my_prog &&
+			NL_MY_VERS(clnt) == id->my_vers) {
+			/* Match! */
+			xlog(D_GENERAL, "UNMONITORING %s for %s",
+					mon_name, my_name);
+
+			/* PRC: do the HA callout: */
+			ha_callout("del-client", mon_name, my_name, -1);
+
+			nsm_delete_monitored_host(clnt->dns_name,
+							mon_name, my_name, 1);
+			nlist_free(&rtnl, clnt);
+
+			return (&result);
+		} else
+			clnt = NL_NEXT(clnt);
+	}
+
+ failure:
+	xlog_warn("Received erroneous SM_UNMON request from %s for %s",
+		my_name, mon_name);
+	return (&result);
+}
+
+
+struct sm_stat *
+sm_unmon_all_1_svc(struct my_id *argp, struct svc_req *rqstp)
+{
+	short int       count = 0;
+	static sm_stat  result;
+	notify_list	*clnt;
+	char		*my_name = argp->my_name;
+
+	xlog(D_CALL, "Received SM_UNMON_ALL for %s", my_name);
+
+	if (!caller_is_localhost(rqstp))
+		goto failure;
+
+	result.state = MY_STATE;
+
+	if (rtnl == NULL) {
+		xlog_warn("Received SM_UNMON_ALL request from %s "
+			"while not monitoring any hosts", my_name);
+		return (&result);
+	}
+	clnt = rtnl;
+
+	while ((clnt = nlist_gethost(clnt, my_name, 1))) {
+		if (NL_MY_PROC(clnt) == argp->my_proc &&
+			NL_MY_PROG(clnt) == argp->my_prog &&
+			NL_MY_VERS(clnt) == argp->my_vers) {
+			/* Watch stack! */
+			char            mon_name[SM_MAXSTRLEN + 1];
+			notify_list	*temp;
+
+			xlog(D_GENERAL,
+				"UNMONITORING (SM_UNMON_ALL) %s for %s",
+				NL_MON_NAME(clnt), NL_MY_NAME(clnt));
+			strncpy(mon_name, NL_MON_NAME(clnt),
+				sizeof (mon_name) - 1);
+			mon_name[sizeof (mon_name) - 1] = '\0';
+			temp = NL_NEXT(clnt);
+			/* PRC: do the HA callout: */
+			ha_callout("del-client", mon_name, my_name, -1);
+			nsm_delete_monitored_host(clnt->dns_name,
+							mon_name, my_name, 1);
+			nlist_free(&rtnl, clnt);
+			++count;
+			clnt = temp;
+		} else
+			clnt = NL_NEXT(clnt);
+	}
+
+	if (!count) {
+		xlog(D_GENERAL, "SM_UNMON_ALL request from %s with no "
+			"SM_MON requests from it", my_name);
+	}
+
+ failure:
+	return (&result);
+}
diff --git a/utils/statd/notlist.c b/utils/statd/notlist.c
new file mode 100644
index 0000000..45879a4
--- /dev/null
+++ b/utils/statd/notlist.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, 1996.
+ * Modified by H.J. Lu, 1998.
+ * Modified by Lon Hohberger, Oct. 2000.
+ *   - Fixed memory leaks, run-off-end problems, etc.
+ *
+ * NSM for Linux.
+ */
+
+/*
+ * Simple list management for notify list
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include "statd.h"
+#include "notlist.h"
+
+
+#ifdef DEBUG
+/* 
+ * LH - The linked list code had some bugs.  Used this to help debug
+ * new code. 
+ */
+static void 
+plist(notify_list *head, int en)
+{
+	/* case where we ran off the end */
+	if (!head) return;
+
+	printf("Entry %d: %s\n",en, NL_MON_NAME(head));
+	plist(head->next, ++en);
+}
+
+static void 
+nlist_print(notify_list **head)
+{
+	printf("--- Begin notify list dump ---\n");
+	plist(*head,1);
+	printf("--- End notify list dump ---\n");
+}
+#endif /* DEBUG */
+
+/* 
+ * Allocate memory and set up a new notify list entry.
+ */
+notify_list * 
+nlist_new(char *my_name, char *mon_name, int state)
+{
+	notify_list	*new;
+
+	new = (notify_list *) xmalloc(sizeof(notify_list));
+	memset(new, 0, sizeof(*new));
+
+	NL_TIMES(new) = MAX_TRIES;
+	NL_STATE(new) = state;
+	NL_MY_NAME(new) = xstrdup(my_name);
+	NL_MON_NAME(new) = xstrdup(mon_name);
+
+	return new;
+}
+
+/*
+ * Insert *entry into a notify list at the point specified by
+ * **head.  This can be in the middle.  However, we do not handle
+ * list _append_ in this function; rather, the only place we should
+ * have to worry about this case is in nlist_insert_timer below.
+ * - entry must not be NULL.
+ */
+void 
+nlist_insert(notify_list **head, notify_list *entry)
+{
+	if (*head) {
+		/* 
+		 * Cases where we're prepending a non-empty list
+		 * or inserting possibly in the middle somewhere (eg,
+		 * nlist_insert_timer...)
+		 */
+		entry->next = (*head);		/* Forward pointer */
+		entry->prev = (*head)->prev;	/* Back pointer */
+		(*head)->prev = entry;		/* head's new back pointer */
+	}
+
+	/* Common to all cases, including new list creation */
+	*head = entry;			/* New head */
+
+#ifdef DEBUG
+	nlist_print(head);
+#endif
+}
+
+/* 
+ * (re)insert *entry into notify_list **head.  This requires that
+ * NL_WHEN(entry) has been set (usually, this is time() + 5 seconds).
+ * - entry must not be NULL
+ *
+ * LH - This used to cause (a) a memory leak and (b) dropped notify-list
+ * entries.  The pointer ran off the end of the list, and changed the 
+ * head-end to point to the new, one-entry list.  All other entries became garbage.
+ *
+ * FIXME: Optimize this function. (I'll work on it - LH)
+ */
+void 
+nlist_insert_timer(notify_list **head, notify_list *entry)
+{
+	notify_list 	*spot = *head,	 	/* Insertion location */
+						/* ...Start at head */
+			*back = NULL;		/* Back pointer */
+
+
+	/* Find first entry with higher timeout value or end of list */
+	while (spot && NL_WHEN(spot) <= NL_WHEN(entry)) {
+		/* 
+		 * Keep the back pointer in case we 
+		 * run off the end...  (see below)
+		 */
+		back = spot;
+		spot = spot->next;
+	}
+
+	if (spot == (*head)) {
+		/* 
+		 * case where we're prepending an empty or non-empty
+		 * list or inserting in the middle somewhere.  Pass 
+		 * the real head of the list, since we'll be changing 
+		 * during the insert... 
+		 */
+		nlist_insert(head, entry);
+	} else {
+		/* all other cases - don't move the real head pointer */
+		nlist_insert(&spot, entry);
+
+		/* 
+		 * If spot == entry, then spot was NULL when we called
+		 * nlist_insert.  This happened because we had run off 
+		 * the end of the list.  Append entry to original list.
+		 */
+		if (spot == entry) {
+			back->next = entry;
+			entry->prev = back;
+		}
+	}
+}
+
+/* 
+ * Remove *entry from the list pointed to by **head.
+ * Do not destroy *entry.  This is normally done before
+ * a re-insertion with a timer, but can be done anywhere.
+ * - entry must not be NULL.
+ */
+void 
+nlist_remove(notify_list **head, notify_list *entry)
+{
+	notify_list	*prev = entry->prev,
+			*next = entry->next;
+
+	if (next) {
+		next->prev = prev;
+	}
+
+	if (prev) {
+		/* Case(s) where entry isn't at the front */
+		prev->next = next; 
+	} else {
+		/* cases where entry is at the front */
+		*head = next;
+	}
+
+	entry->next = entry->prev = NULL;
+#ifdef DEBUG
+	nlist_print(head);
+#endif
+}
+
+/* 
+ * Clone an entry in the notify list -
+ * - entry must not be NULL
+ */
+notify_list *
+nlist_clone(notify_list *entry)
+{
+	notify_list	*new;
+
+	new = nlist_new(NL_MY_NAME(entry), NL_MON_NAME(entry), NL_STATE(entry));
+	NL_MY_PROG(new) = NL_MY_PROG(entry);
+	NL_MY_VERS(new) = NL_MY_VERS(entry);
+	NL_MY_PROC(new) = NL_MY_PROC(entry);
+	memcpy(NL_PRIV(new), NL_PRIV(entry), SM_PRIV_SIZE);
+
+	return new;
+}
+
+/* 
+ * Destroy an entry in a notify list and free the memory.
+ * If *head is NULL, just free the entry.  This would be
+ * done only when we know entry isn't in any list.
+ * - entry must not be NULL.
+ */
+void 
+nlist_free(notify_list **head, notify_list *entry)
+{
+	if (head && (*head))
+		nlist_remove(head, entry);
+	if (NL_MY_NAME(entry))
+		free(NL_MY_NAME(entry));
+	if (NL_MON_NAME(entry))
+		free(NL_MON_NAME(entry));
+	free(entry->dns_name);
+}
+
+/* 
+ * Destroy an entire notify list 
+ */
+void 
+nlist_kill(notify_list **head)
+{
+	notify_list *next;
+
+	while (*head) {
+		next = (*head)->next;
+		nlist_free(head, *head);
+		free(*head);
+		*head = next;
+	}
+}
+
+/*
+ * Walk a list looking for a matching name in the NL_MON_NAME field.
+ */
+notify_list *
+nlist_gethost(notify_list *list, char *host, int myname)
+{
+	notify_list	*lp;
+
+	for (lp = list; lp; lp = lp->next) {
+		if (statd_matchhostname(host,
+				myname? NL_MY_NAME(lp) : NL_MON_NAME(lp)))
+			return lp;
+	}
+
+	return (notify_list *) NULL;
+}
diff --git a/utils/statd/notlist.h b/utils/statd/notlist.h
new file mode 100644
index 0000000..6ed0da8
--- /dev/null
+++ b/utils/statd/notlist.h
@@ -0,0 +1,65 @@
+/* 
+ * Copyright (C) 1995, 1997-1999, 2002 Jeffrey A. Uphoff
+ * Major rewrite by Olaf Kirch, Dec. 1996.
+ *
+ * NSM for Linux.
+ */
+
+#include <netinet/in.h>
+
+/*
+ * Primary information structure.
+ */
+struct notify_list {
+  mon			mon;	/* Big honkin' NSM structure. */
+  in_port_t		port;	/* port number for callback */
+  short int		times;	/* Counter used for various things. */
+  int			state;	/* For storing notified state for callbacks. */
+  char			*dns_name; /* used for matching incoming
+				    * NOTIFY requests */
+  struct notify_list	*next;	/* Linked list forward pointer. */
+  struct notify_list	*prev;	/* Linked list backward pointer. */
+  uint32_t		xid;	/* XID of MS_NOTIFY RPC call */
+  time_t		when;	/* notify: timeout for re-xmit */
+};
+
+typedef struct notify_list notify_list;
+
+/*
+ * Global Variables
+ */
+extern notify_list *	rtnl;	/* Run-time notify list */
+extern notify_list *	notify;	/* Pending RPC calls */
+
+/*
+ * List-handling functions
+ */
+extern notify_list *	nlist_new(char *, char *, int);
+extern void		nlist_insert(notify_list **, notify_list *);
+extern void		nlist_remove(notify_list **, notify_list *);
+extern void		nlist_insert_timer(notify_list **, notify_list *);
+extern notify_list *	nlist_clone(notify_list *);
+extern void		nlist_free(notify_list **, notify_list *);
+extern void		nlist_kill(notify_list **);
+extern notify_list *	nlist_gethost(notify_list *, char *, int);
+
+/* 
+ * List-handling macros.
+ * THESE INHERIT INFORMATION FROM PREVIOUSLY-DEFINED MACROS.
+ * (So don't change their order unless you study them first!)
+ */
+#define NL_NEXT(L)	((L)->next)
+#define NL_FIRST	NL_NEXT
+#define NL_PREV(L)	((L)->prev)
+#define NL_DATA(L)	((L)->mon)
+#define NL_STATE(L)	((L)->state)
+#define NL_TIMES(L)	((L)->times)
+#define NL_MON_ID(L)	(NL_DATA((L)).mon_id)
+#define NL_PRIV(L)	(NL_DATA((L)).priv)
+#define NL_MON_NAME(L)	(NL_MON_ID((L)).mon_name)
+#define NL_MY_ID(L)	(NL_MON_ID((L)).my_id)
+#define NL_MY_NAME(L)	(NL_MY_ID((L)).my_name)
+#define NL_MY_PROC(L)	(NL_MY_ID((L)).my_proc)
+#define NL_MY_PROG(L)	(NL_MY_ID((L)).my_prog)
+#define NL_MY_VERS(L)	(NL_MY_ID((L)).my_vers)
+#define NL_WHEN(L)	((L)->when)
diff --git a/utils/statd/rmtcall.c b/utils/statd/rmtcall.c
new file mode 100644
index 0000000..5b26148
--- /dev/null
+++ b/utils/statd/rmtcall.c
@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 1996, 1999 Olaf Kirch
+ * Modified by Jeffrey A. Uphoff, 1997-1999.
+ * Modified by H.J. Lu, 1998.
+ * Modified by Lon Hohberger, Oct. 2000
+ *   - Bugfix handling client responses.
+ *   - Paranoia on NOTIFY_CALLBACK case
+ *
+ * NSM for Linux.
+ */
+
+/*
+ * After reboot, notify all hosts on our notify list. In order not to
+ * hang statd with delivery to dead hosts, we perform all RPC calls in
+ * parallel.
+ *
+ * It would have been nice to use the portmapper's rmtcall feature,
+ * but that's not possible for security reasons (the portmapper would
+ * have to forward the call with root privs for most statd's, which
+ * it won't if it's worth its money).
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <netinet/in.h>
+#include <net/if.h>
+#include <arpa/inet.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_prot.h>
+#include <rpc/pmap_rmt.h>
+#include <time.h>
+#include <netdb.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "sm_inter.h"
+#include "statd.h"
+#include "notlist.h"
+#include "ha-callout.h"
+
+#include "nsm.h"
+#include "nfsrpc.h"
+
+#if SIZEOF_SOCKLEN_T - 0 == 0
+#define socklen_t int
+#endif
+
+static int		sockfd = -1;	/* notify socket */
+
+/* How many times to try looking for an unused privileged port */
+#define MAX_BRP_RETRIES	100
+
+/*
+ * Initialize socket used to notify lockd of peer reboots.
+ *
+ * Returns the file descriptor of the new socket if successful;
+ * otherwise returns -1 and logs an error.
+ *
+ * Lockd rejects such requests if the source port is not privileged.
+ * statd_get_socket() must be invoked while statd still holds root
+ * privileges in order for the socket to acquire a privileged source
+ * port.
+ */
+int
+statd_get_socket(void)
+{
+	struct sockaddr_in	sin;
+	struct servent *se;
+	static int prevsocks[MAX_BRP_RETRIES];
+	unsigned int retries;
+
+	if (sockfd >= 0)
+		return sockfd;
+
+	retries = 0;
+	do {
+		if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
+			xlog(L_ERROR, "%s: Can't create socket: %m", __func__);
+			break;
+		}
+
+		memset(&sin, 0, sizeof(sin));
+		sin.sin_family = AF_INET;
+		sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+
+		if (bindresvport(sockfd, &sin) < 0) {
+			xlog(D_GENERAL, "%s: can't bind to reserved port",
+					__func__);
+			break;
+		}
+		se = getservbyport(sin.sin_port, "udp");
+		if (se == NULL)
+			break;
+
+		if (retries == MAX_BRP_RETRIES) {
+			xlog(D_GENERAL, "%s: No unused privileged ports",
+					__func__);
+			break;
+		}
+
+		/* rather not use that port, try again */
+		prevsocks[retries++] = sockfd;
+	} while (1);
+
+	while (retries)
+		close(prevsocks[--retries]);
+
+	if (sockfd < 0)
+		return -1;
+
+	return sockfd;
+}
+
+static notify_list *
+recv_rply(u_long *portp)
+{
+	char			msgbuf[NSM_MAXMSGSIZE];
+	ssize_t			msglen;
+	notify_list		*lp = NULL;
+	XDR			xdr;
+	struct sockaddr_in	sin;
+	socklen_t		alen = (socklen_t)sizeof(sin);
+	uint32_t		xid;
+
+	memset(msgbuf, 0, sizeof(msgbuf));
+	msglen = recvfrom(sockfd, msgbuf, sizeof(msgbuf), 0,
+				(struct sockaddr *)(char *)&sin, &alen);
+	if (msglen == (ssize_t)-1) {
+		xlog_warn("%s: recvfrom failed: %m", __func__);
+		return NULL;
+	}
+
+	memset(&xdr, 0, sizeof(xdr));
+	xdrmem_create(&xdr, msgbuf, (unsigned int)msglen, XDR_DECODE);
+	xid = nsm_parse_reply(&xdr);
+	if (xid == 0)
+		goto done;
+	if (sin.sin_addr.s_addr != htonl(INADDR_LOOPBACK)) {
+		struct in_addr addr = sin.sin_addr;
+		char buf[INET_ADDRSTRLEN];
+
+		xlog_warn("%s: Unrecognized reply from %s", __func__,
+				inet_ntop(AF_INET, &addr, buf,
+						(socklen_t)sizeof(buf)));
+		goto done;
+	}
+
+	for (lp = notify; lp != NULL; lp = lp->next) {
+		/* LH - this was a bug... it should have been checking
+		 * the xid from the response message from the client,
+		 * not the static, internal xid */
+		if (lp->xid != xid)
+			continue;
+		if (lp->port == 0)
+			*portp = nsm_recv_getport(&xdr);
+		break;
+	}
+
+done:
+	xdr_destroy(&xdr);
+	return lp;
+}
+
+/*
+ * Notify operation for a single list entry
+ */
+static int
+process_entry(notify_list *lp)
+{
+	struct sockaddr_in	sin;
+
+	if (NL_TIMES(lp) == 0) {
+		xlog(D_GENERAL, "%s: Cannot notify localhost, giving up",
+				__func__);
+		return 0;
+	}
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_port   = lp->port;
+	/* LH - moved address into switch */
+
+	/* __FORCE__ loopback for callbacks to lockd ... */
+	/* Just in case we somehow ignored it thus far */
+	sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+
+	if (sin.sin_port == 0)
+		lp->xid = nsm_xmit_getport(sockfd, &sin,
+					(rpcprog_t)NL_MY_PROG(lp),
+					(rpcvers_t)NL_MY_VERS(lp));
+	else {
+		struct mon m;
+
+		memcpy(m.priv, NL_PRIV(lp), SM_PRIV_SIZE);
+
+		m.mon_id.mon_name = NL_MON_NAME(lp);
+		m.mon_id.my_id.my_name = NULL;
+		m.mon_id.my_id.my_prog = NL_MY_PROG(lp);
+		m.mon_id.my_id.my_vers = NL_MY_VERS(lp);
+		m.mon_id.my_id.my_proc = NL_MY_PROC(lp);
+
+		lp->xid = nsm_xmit_nlmcall(sockfd,
+				(struct sockaddr *)(char *)&sin,
+				(socklen_t)sizeof(sin), &m, NL_STATE(lp));
+	}
+	if (lp->xid == 0) {
+		xlog_warn("%s: failed to notify port %d",
+				__func__, ntohs(lp->port));
+	}
+	NL_TIMES(lp) -= 1;
+
+	return 1;
+}
+
+/*
+ * Process a datagram received on the notify socket
+ */
+int
+process_reply(FD_SET_TYPE *rfds)
+{
+	notify_list		*lp;
+	u_long			port;
+
+	if (sockfd == -1 || !FD_ISSET(sockfd, rfds))
+		return 0;
+
+	/* Should not be processed again. */
+	FD_CLR (sockfd, rfds);
+
+	if (!(lp = recv_rply(&port)))
+		return 1;
+
+	if (lp->port == 0) {
+		if (port != 0) {
+			lp->port = htons((unsigned short) port);
+			process_entry(lp);
+			NL_WHEN(lp) = time(NULL) + NOTIFY_TIMEOUT;
+			nlist_remove(&notify, lp);
+			nlist_insert_timer(&notify, lp);
+			return 1;
+		}
+		xlog_warn("%s: service %d not registered on localhost",
+			__func__, NL_MY_PROG(lp));
+	} else {
+		xlog(D_GENERAL, "%s: Callback to %s (for %s) succeeded",
+			__func__, NL_MY_NAME(lp), NL_MON_NAME(lp));
+	}
+	nlist_free(&notify, lp);
+	return 1;
+}
+
+/*
+ * Process a notify list, either for notifying remote hosts after reboot
+ * or for calling back (local) statd clients when the remote has notified
+ * us of a crash. 
+ */
+int
+process_notify_list(void)
+{
+	notify_list	*entry;
+	time_t		now;
+
+	while ((entry = notify) != NULL && NL_WHEN(entry) < time(&now)) {
+		if (process_entry(entry)) {
+			NL_WHEN(entry) = time(NULL) + NOTIFY_TIMEOUT;
+			nlist_remove(&notify, entry);
+			nlist_insert_timer(&notify, entry);
+		} else {
+			xlog(L_ERROR,
+				"%s: Can't callback %s (%d,%d), giving up",
+					__func__,
+					NL_MY_NAME(entry),
+					NL_MY_PROG(entry),
+					NL_MY_VERS(entry));
+			nlist_free(&notify, entry);
+		}
+	}
+
+	return 1;
+}
diff --git a/utils/statd/sim_sm_inter.x b/utils/statd/sim_sm_inter.x
new file mode 100644
index 0000000..4346199
--- /dev/null
+++ b/utils/statd/sim_sm_inter.x
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, 1996.
+ * Modified by H.J. Lu, 1998.
+ *
+ * NSM for Linux.
+ */
+
+#ifdef RPC_CLNT
+%#include <string.h>
+#endif
+
+program SIM_SM_PROG { 
+	version SIM_SM_VERS  {
+		void			 SIM_SM_MON(struct status) = 1;
+	} = 1;
+} = 200048;
+
+const	SM_MAXSTRLEN = 1024;
+const	SM_PRIV_SIZE = 16;
+
+/* 
+ * structure of the status message sent back by the status monitor
+ * when monitor site status changes
+ */
+%#ifndef SM_INTER_X
+struct status {
+	string mon_name<SM_MAXSTRLEN>;
+	int state;
+	opaque priv[SM_PRIV_SIZE]; /* stored private information */
+};
+%#endif /* SM_INTER_X */
diff --git a/utils/statd/simu.c b/utils/statd/simu.c
new file mode 100644
index 0000000..f1d0bf8
--- /dev/null
+++ b/utils/statd/simu.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
+ *
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#include "sockaddr.h"
+#include "rpcmisc.h"
+#include "statd.h"
+#include "notlist.h"
+
+extern void my_svc_exit (void);
+
+
+/*
+ * Services SM_SIMU_CRASH requests.
+ *
+ * Although the kernel contacts the statd service via only IPv4
+ * transports, the statd service can receive other requests, such
+ * as SM_NOTIFY, from remote peers via IPv6.
+ */
+void *
+sm_simu_crash_1_svc (__attribute__ ((unused)) void *argp, struct svc_req *rqstp)
+{
+  struct sockaddr *sap = nfs_getrpccaller(rqstp->rq_xprt);
+  char buf[INET6_ADDRSTRLEN];
+  static char *result = NULL;
+
+  xlog(D_CALL, "Received SM_SIMU_CRASH");
+
+  if (!nfs_is_v4_loopback(sap))
+    goto out_nonlocal;
+
+  if ((int)nfs_get_port(sap) >= IPPORT_RESERVED) {
+    xlog_warn("SM_SIMU_CRASH call from unprivileged port");
+    goto failure;
+  }
+
+  my_svc_exit ();
+
+  if (rtnl)
+    nlist_kill (&rtnl);
+
+ failure:
+  return ((void *)&result);
+
+ out_nonlocal:
+  if (!statd_present_address(sap, buf, sizeof(buf)))
+    buf[0] = '\0';
+  xlog_warn("SM_SIMU_CRASH call from non-local host %s", buf);
+  goto failure;
+}
diff --git a/utils/statd/simulate.c b/utils/statd/simulate.c
new file mode 100644
index 0000000..4ed1468
--- /dev/null
+++ b/utils/statd/simulate.c
@@ -0,0 +1,226 @@
+/*
+ * Copyright (C) 1995-1997, 1999 Jeffrey A. Uphoff
+ *
+ * NSM for Linux.
+ */
+
+#include "config.h"
+#ifndef SIMULATIONS
+# error How the hell did we get here?
+#endif
+
+/* If we're running the simulator, we're debugging.  Pretty simple. */
+#ifndef DEBUG
+# define DEBUG
+#endif
+
+#include <signal.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+#include <rpcmisc.h>
+#include "statd.h"
+#include "sim_sm_inter.h"
+
+static void daemon_simulator (void);
+static void sim_killer (int sig);
+static void simulate_crash (char *);
+static void simulate_mon (char *, char *, char *, char *, char *);
+static void simulate_stat (char *, char *);
+static void simulate_unmon (char *, char *, char *, char *);
+static void simulate_unmon_all (char *, char *, char *);
+
+static int sim_port = 0;
+
+extern void sim_sm_prog_1 (struct svc_req *, register SVCXPRT);
+extern void svc_exit (void);
+
+void
+simulator (int argc, char **argv)
+{
+  xlog_stderr (1);
+  xlog_syslog (0);
+  xlog_open ("statd simulator");
+
+  if (argc == 2)
+    if (!strcasecmp (*argv, "crash"))
+      simulate_crash (*(&argv[1]));
+
+  if (argc == 3) {
+    if (!strcasecmp (*argv, "stat"))
+      simulate_stat (*(&argv[1]), *(&argv[2]));
+  }
+  if (argc == 4) {
+    if (!strcasecmp (*argv, "unmon_all"))
+      simulate_unmon_all (*(&argv[1]), *(&argv[2]), *(&argv[3]));
+  }
+  if (argc == 5) {
+    if (!strcasecmp (*argv, "unmon"))
+      simulate_unmon (*(&argv[1]), *(&argv[2]), *(&argv[3]), *(&argv[4]));
+  }
+  if (argc == 6) {
+    if (!strcasecmp (*argv, "mon"))
+      simulate_mon (*(&argv[1]), *(&argv[2]), *(&argv[3]), *(&argv[4]),
+		    *(&argv[5]));
+  }
+  xlog_err ("WTF?  Give me something I can use!");
+}
+
+static void
+simulate_mon (char *calling, char *monitoring, char *as, char *proggy,
+	      char *fool)
+{
+  CLIENT *client;
+  sm_stat_res *result;
+  mon mon;
+
+  xlog (D_GENERAL, "Calling %s (as %s) to monitor %s", calling, as,
+	   monitoring);
+
+  if ((client = clnt_create (calling, SM_PROG, SM_VERS, "udp")) == NULL)
+    xlog_err ("%s", clnt_spcreateerror ("clnt_create"));
+
+  memcpy (mon.priv, fool, SM_PRIV_SIZE);
+  mon.mon_id.my_id.my_name = xstrdup (as);
+  sim_port = atoi (proggy) * SIM_SM_PROG;
+  mon.mon_id.my_id.my_prog = sim_port; /* Pseudo-dummy */
+  mon.mon_id.my_id.my_vers = SIM_SM_VERS;
+  mon.mon_id.my_id.my_proc = SIM_SM_MON;
+  mon.mon_id.mon_name = monitoring;
+
+  if (!(result = sm_mon_1 (&mon, client)))
+    xlog_err ("%s", clnt_sperror (client, "sm_mon_1"));
+
+  free (mon.mon_id.my_id.my_name);
+
+  if (result->res_stat != STAT_SUCC) {
+    xlog_err ("SM_MON request failed, state: %d", result->state);
+  } else {
+    xlog (D_GENERAL, "SM_MON result successful, state: %d\n", result->state);
+    xlog (D_GENERAL, "Waiting for callback");
+    daemon_simulator ();
+    exit (0);
+  }
+}
+
+static void
+simulate_unmon (char *calling, char *unmonitoring, char *as, char *proggy)
+{
+  CLIENT *client;
+  sm_stat *result;
+  mon_id mon_id;
+
+  xlog (D_GENERAL, "Calling %s (as %s) to unmonitor %s", calling, as,
+	   unmonitoring);
+
+  if ((client = clnt_create (calling, SM_PROG, SM_VERS, "udp")) == NULL)
+    xlog_err ("%s", clnt_spcreateerror ("clnt_create"));
+
+  mon_id.my_id.my_name = xstrdup (as);
+  mon_id.my_id.my_prog = atoi (proggy) * SIM_SM_PROG;
+  mon_id.my_id.my_vers = SIM_SM_VERS;
+  mon_id.my_id.my_proc = SIM_SM_MON;
+  mon_id.mon_name = unmonitoring;
+
+  if (!(result = sm_unmon_1 (&mon_id, client)))
+    xlog_err ("%s", clnt_sperror (client, "sm_unmon_1"));
+
+  free (mon_id.my_id.my_name);
+  xlog (D_GENERAL, "SM_UNMON request returned state: %d\n", result->state);
+  exit (0);
+}
+
+static void
+simulate_unmon_all (char *calling, char *as, char *proggy)
+{
+  CLIENT *client;
+  sm_stat *result;
+  my_id my_id;
+
+  xlog (D_GENERAL, "Calling %s (as %s) to unmonitor all hosts", calling, as);
+
+  if ((client = clnt_create (calling, SM_PROG, SM_VERS, "udp")) == NULL)
+    xlog_err ("%s", clnt_spcreateerror ("clnt_create"));
+
+  my_id.my_name = xstrdup (as);
+  my_id.my_prog = atoi (proggy) * SIM_SM_PROG;
+  my_id.my_vers = SIM_SM_VERS;
+  my_id.my_proc = SIM_SM_MON;
+
+  if (!(result = sm_unmon_all_1 (&my_id, client)))
+    xlog_err ("%s", clnt_sperror (client, "sm_unmon_all_1"));
+
+  free (my_id.my_name);
+  xlog (D_GENERAL, "SM_UNMON_ALL request returned state: %d\n", result->state);
+  exit (0);
+}
+
+static void
+simulate_crash (char *host)
+{
+  CLIENT *client;
+
+  if ((client = clnt_create (host, SM_PROG, SM_VERS, "udp")) == NULL)
+    xlog_err ("%s", clnt_spcreateerror ("clnt_create"));
+
+  if (!sm_simu_crash_1 (NULL, client))
+    xlog_err ("%s", clnt_sperror (client, "sm_simu_crash_1"));
+
+  exit (0);
+}
+
+static void
+simulate_stat (char *calling, char *monitoring)
+{
+  CLIENT *client;
+  sm_name checking;
+  sm_stat_res *result;
+  
+  if ((client = clnt_create (calling, SM_PROG, SM_VERS, "udp")) == NULL)
+    xlog_err ("%s", clnt_spcreateerror ("clnt_create"));
+
+  checking.mon_name = monitoring;
+
+  if (!(result = sm_stat_1 (&checking, client)))
+    xlog_err ("%s", clnt_sperror (client, "sm_stat_1"));
+
+  if (result->res_stat == STAT_SUCC)
+    xlog (D_GENERAL, "STAT_SUCC from %s for %s, state: %d", calling,
+	     monitoring, result->state);
+  else
+    xlog (D_GENERAL, "STAT_FAIL from %s for %s, state: %d", calling,
+	     monitoring, result->state);
+
+  exit (0);
+}
+
+static void
+sim_killer (int sig)
+{
+  pmap_unset (sim_port, SIM_SM_VERS);
+  xlog_err ("Simulator caught signal %d, un-registering and exiting", sig);
+}
+
+static void
+daemon_simulator (void)
+{
+  signal (SIGHUP, sim_killer);
+  signal (SIGINT, sim_killer);
+  signal (SIGTERM, sim_killer);
+  pmap_unset (sim_port, SIM_SM_VERS);
+  /* this registers both UDP and TCP services */
+  rpc_init("statd", sim_port, SIM_SM_VERS, sim_sm_prog_1, 0);
+  svc_run ();
+  pmap_unset (sim_port, SIM_SM_VERS);
+}
+
+void *
+sim_sm_mon_1_svc (struct status *argp, struct svc_req *rqstp)
+{
+  static char *result;
+
+  xlog (D_GENERAL, "Recieved state %d for mon_name %s (opaque \"%s\")",
+	   argp->state, argp->mon_name, argp->priv);
+  svc_exit ();
+  return ((void *)&result);
+}
diff --git a/utils/statd/sm-notify.c b/utils/statd/sm-notify.c
new file mode 100644
index 0000000..ed82b8f
--- /dev/null
+++ b/utils/statd/sm-notify.c
@@ -0,0 +1,928 @@
+/*
+ * Send NSM notify calls to all hosts listed in /var/lib/sm
+ *
+ * Copyright (C) 2004-2006 Olaf Kirch <okir@suse.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <err.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <poll.h>
+#include <sys/param.h>
+#include <sys/syslog.h>
+#include <arpa/inet.h>
+#include <dirent.h>
+#include <time.h>
+#include <stdio.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdarg.h>
+#include <netdb.h>
+#include <errno.h>
+#include <grp.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
+#include "conffile.h"
+#include "sockaddr.h"
+#include "xlog.h"
+#include "nsm.h"
+#include "nfslib.h"
+#include "nfsrpc.h"
+
+/* glibc before 2.3.4 */
+#ifndef AI_NUMERICSERV
+#define AI_NUMERICSERV	0
+#endif
+
+#define NSM_TIMEOUT	2
+#define NSM_MAX_TIMEOUT	120	/* don't make this too big */
+
+#define NLM_END_GRACE_FILE	"/proc/fs/lockd/nlm_end_grace"
+
+int lift_grace = 1;
+int force = 0;
+
+struct nsm_host {
+	struct nsm_host *	next;
+	char *			name;
+	const char *		mon_name;
+	const char *		my_name;
+	char *			notify_arg;
+	struct addrinfo		*ai;
+	time_t			last_used;
+	time_t			send_next;
+	unsigned int		timeout;
+	unsigned int		retries;
+	uint32_t		xid;
+};
+
+static char		nsm_hostname[SM_MAXSTRLEN + 1];
+static int		nsm_state;
+static int		nsm_family = AF_INET;
+static int		opt_debug = 0;
+static _Bool		opt_update_state = true;
+static unsigned int	opt_max_retry = 15 * 60;
+static char *		opt_srcaddr = NULL;
+static char *		opt_srcport = NULL;
+
+static void		notify(const int sock);
+static int		notify_host(int, struct nsm_host *);
+static void		recv_reply(int);
+static void		insert_host(struct nsm_host *);
+static struct nsm_host *find_host(uint32_t);
+static int		record_pid(void);
+
+static struct nsm_host *	hosts = NULL;
+
+__attribute__((__malloc__))
+static struct addrinfo *
+smn_lookup(const char *name)
+{
+	struct addrinfo	*ai = NULL;
+	struct addrinfo hint = {
+		.ai_family	= (nsm_family == AF_INET ? AF_INET: AF_UNSPEC),
+		.ai_protocol	= (int)IPPROTO_UDP,
+	};
+	int error;
+
+	res_init();
+	error = getaddrinfo(name, NULL, &hint, &ai);
+	if (error != 0) {
+		xlog(D_GENERAL, "getaddrinfo(3): %s", gai_strerror(error));
+		return NULL;
+	}
+
+	return ai;
+}
+
+#ifdef HAVE_GETNAMEINFO
+static char *
+smn_get_hostname(const struct sockaddr *sap, const socklen_t salen,
+		const char *name)
+{
+	char buf[NI_MAXHOST];
+	int error;
+
+	error = getnameinfo(sap, salen, buf, sizeof(buf), NULL, 0, NI_NAMEREQD);
+	if (error != 0) {
+		xlog(L_ERROR, "my_name '%s' is unusable: %s",
+			name, gai_strerror(error));
+		return NULL;
+	}
+	return strdup(buf);
+}
+#else	/* !HAVE_GETNAMEINFO */
+static char *
+smn_get_hostname(const struct sockaddr *sap,
+		__attribute__ ((unused)) const socklen_t salen,
+		const char *name)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)(char *)sap;
+	const struct in_addr *addr = &sin->sin_addr;
+	struct hostent *hp;
+
+	if (sap->sa_family != AF_INET) {
+		xlog(L_ERROR, "my_name '%s' is unusable: Bad address family",
+			name);
+		return NULL;
+	}
+
+	hp = gethostbyaddr(addr, (socklen_t)sizeof(addr), AF_INET);
+	if (hp == NULL) {
+		xlog(L_ERROR, "my_name '%s' is unusable: %s",
+			name, hstrerror(h_errno));
+		return NULL;
+	}
+	return strdup(hp->h_name);
+}
+#endif	/* !HAVE_GETNAMEINFO */
+
+/*
+ * Presentation addresses are converted to their canonical hostnames.
+ * If the IP address does not map to a hostname, it is an error:
+ * we never send a presentation address as the argument of SM_NOTIFY.
+ *
+ * If "name" is not a presentation address, it is left alone.  This
+ * allows the administrator some flexibility if DNS isn't configured
+ * exactly how sm-notify prefers it.
+ *
+ * Returns NUL-terminated C string containing the result, or NULL
+ * if the canonical name doesn't exist or cannot be determined.
+ * The caller must free the result with free(3).
+ */
+__attribute__((__malloc__))
+static char *
+smn_verify_my_name(const char *name)
+{
+	struct addrinfo *ai = NULL;
+	struct addrinfo hint = {
+#ifdef IPV6_SUPPORTED
+		.ai_family	= AF_UNSPEC,
+#else	/* !IPV6_SUPPORTED */
+		.ai_family	= AF_INET,
+#endif	/* !IPV6_SUPPORTED */
+		.ai_flags	= AI_NUMERICHOST,
+	};
+	char *retval;
+	int error;
+
+	error = getaddrinfo(name, NULL, &hint, &ai);
+	switch (error) {
+	case 0:
+		/* @name was a presentation address */
+		retval = smn_get_hostname(ai->ai_addr, ai->ai_addrlen, name);
+		nfs_freeaddrinfo(ai);
+		if (retval == NULL)
+			return NULL;
+		break;
+	case EAI_NONAME:
+		/* @name was not a presentation address */
+		retval = strdup(name);
+		break;
+	default:
+		xlog(L_ERROR, "my_name '%s' is unusable: %s",
+			name, gai_strerror(error));
+		return NULL;
+	}
+
+	xlog(D_GENERAL, "Canonical name for my_name '%s': %s",
+			name, retval);
+	return retval;
+}
+
+__attribute__((__malloc__))
+static struct nsm_host *
+smn_alloc_host(const char *hostname, const char *mon_name,
+		const char *my_name, const time_t timestamp)
+{
+	struct nsm_host	*host;
+
+	host = calloc(1, sizeof(*host));
+	if (host == NULL)
+		goto out_nomem;
+
+	/*
+	 * mon_name and my_name are preserved so sm-notify can
+	 * find the right monitor record to remove when it is
+	 * done processing this host.
+	 */
+	host->name = strdup(hostname);
+	host->mon_name = (const char *)strdup(mon_name);
+	host->my_name = (const char *)strdup(my_name);
+	host->notify_arg = strdup(opt_srcaddr != NULL ?
+					nsm_hostname : my_name);
+	if (host->name == NULL ||
+	    host->mon_name == NULL ||
+	    host->my_name == NULL ||
+	    host->notify_arg == NULL) {
+		free(host->notify_arg);
+		free((void *)host->my_name);
+		free((void *)host->mon_name);
+		free(host->name);
+		free(host);
+		goto out_nomem;
+	}
+
+	host->last_used = timestamp;
+	host->timeout = NSM_TIMEOUT;
+	host->retries = 100;		/* force address retry */
+
+	return host;
+
+out_nomem:
+	xlog_warn("Unable to allocate memory");
+	return NULL;
+}
+
+static void smn_forget_host(struct nsm_host *host)
+{
+	xlog(D_CALL, "Removing %s (%s, %s) from notify list",
+			host->name, host->mon_name, host->my_name);
+
+	nsm_delete_notified_host(host->name, host->mon_name, host->my_name);
+
+	free(host->notify_arg);
+	free((void *)host->my_name);
+	free((void *)host->mon_name);
+	free(host->name);
+	nfs_freeaddrinfo(host->ai);
+
+	free(host);
+}
+
+static unsigned int
+smn_get_host(const char *hostname,
+		__attribute__ ((unused)) const struct sockaddr *sap,
+		const struct mon *m, const time_t timestamp)
+{
+	struct nsm_host	*host;
+
+	host = smn_alloc_host(hostname,
+		m->mon_id.mon_name, m->mon_id.my_id.my_name, timestamp);
+	if (host == NULL)
+		return 0;
+
+	insert_host(host);
+	return 1;
+}
+
+#ifdef IPV6_SUPPORTED
+static int smn_socket(void)
+{
+	int sock;
+
+	/*
+	 * Use an AF_INET socket if IPv6 is disabled on the
+	 * local system.
+	 */
+	sock = socket(AF_INET6, SOCK_DGRAM, 0);
+	if (sock == -1) {
+		if (errno != EAFNOSUPPORT) {
+			xlog(L_ERROR, "Failed to create RPC socket: %m");
+			return -1;
+		}
+		sock = socket(AF_INET, SOCK_DGRAM, 0);
+		if (sock < 0) {
+			xlog(L_ERROR, "Failed to create RPC socket: %m");
+			return -1;
+		}
+	} else
+		nsm_family = AF_INET6;
+
+	if (fcntl(sock, F_SETFL, O_NONBLOCK) == -1) {
+		xlog(L_ERROR, "fcntl(3) on RPC socket failed: %m");
+		goto out_close;
+	}
+
+	/*
+	 * TI-RPC over IPv6 (udp6/tcp6) does not handle IPv4.  However,
+	 * since sm-notify open-codes all of its RPC support, it can
+	 * use a single socket and let the local network stack provide
+	 * the correct mapping between address families automatically.
+	 * This is the same thing that is done in the kernel.
+	 */
+	if (nsm_family == AF_INET6) {
+		const int zero = 0;
+		socklen_t zerolen = (socklen_t)sizeof(zero);
+
+		if (setsockopt(sock, SOL_IPV6, IPV6_V6ONLY,
+					(char *)&zero, zerolen) == -1) {
+			xlog(L_ERROR, "setsockopt(3) on RPC socket failed: %m");
+			goto out_close;
+		}
+	}
+
+	return sock;
+
+out_close:
+	(void)close(sock);
+	return -1;
+}
+#else	/* !IPV6_SUPPORTED */
+static int smn_socket(void)
+{
+	int sock;
+
+	sock = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sock == -1) {
+		xlog(L_ERROR, "Failed to create RPC socket: %m");
+		return -1;
+	}
+
+	if (fcntl(sock, F_SETFL, O_NONBLOCK) == -1) {
+		xlog(L_ERROR, "fcntl(3) on RPC socket failed: %m");
+		(void)close(sock);
+		return -1;
+	}
+
+	return sock;
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/*
+ * If admin specified a source address or srcport, then convert those
+ * to a sockaddr and return it.   Otherwise, return an ANYADDR address.
+ */
+__attribute__((__malloc__))
+static struct addrinfo *
+smn_bind_address(const char *srcaddr, const char *srcport)
+{
+	struct addrinfo *ai = NULL;
+	struct addrinfo hint = {
+		.ai_flags	= AI_NUMERICSERV | AI_V4MAPPED,
+		.ai_family	= nsm_family,
+		.ai_protocol	= (int)IPPROTO_UDP,
+	};
+	int error;
+
+	if (srcaddr == NULL)
+		hint.ai_flags |= AI_PASSIVE;
+
+	/* Do not allow "node" and "service" parameters both to be NULL */
+	if (srcport == NULL)
+		error = getaddrinfo(srcaddr, "", &hint, &ai);
+	else
+		error = getaddrinfo(srcaddr, srcport, &hint, &ai);
+	if (error != 0) {
+		xlog(L_ERROR,
+			"Invalid bind address or port for RPC socket: %s",
+				gai_strerror(error));
+		return NULL;
+	}
+
+	return ai;
+}
+
+#ifdef HAVE_LIBTIRPC
+static int
+smn_bindresvport(int sock, struct sockaddr *sap)
+{
+	return bindresvport_sa(sock, sap);
+}
+
+#else	/* !HAVE_LIBTIRPC */
+static int
+smn_bindresvport(int sock, struct sockaddr *sap)
+{
+	if (sap->sa_family != AF_INET) {
+		errno = EAFNOSUPPORT;
+		return -1;
+	}
+
+	return bindresvport(sock, (struct sockaddr_in *)(char *)sap);
+}
+#endif	/* !HAVE_LIBTIRPC */
+
+/*
+ * Prepare a socket for sending RPC requests
+ *
+ * Returns a bound datagram socket file descriptor, or -1 if
+ * an error occurs.
+ */
+static int
+smn_create_socket(const char *srcaddr, const char *srcport)
+{
+	int sock, retry_cnt = 0;
+	struct addrinfo *ai;
+
+retry:
+	sock = smn_socket();
+	if (sock == -1)
+		return -1;
+
+	ai = smn_bind_address(srcaddr, srcport);
+	if (ai == NULL) {
+		(void)close(sock);
+		return -1;
+	}
+
+	/* Use source port if provided on the command line,
+	 * otherwise use bindresvport */
+	if (srcport) {
+		if (bind(sock, ai->ai_addr, ai->ai_addrlen) == -1) {
+			xlog(L_ERROR, "Failed to bind RPC socket: %m");
+			nfs_freeaddrinfo(ai);
+			(void)close(sock);
+			return -1;
+		}
+	} else {
+		struct servent *se;
+
+		if (smn_bindresvport(sock, ai->ai_addr) == -1) {
+			xlog(L_ERROR,
+				"bindresvport on RPC socket failed: %m");
+			nfs_freeaddrinfo(ai);
+			(void)close(sock);
+			return -1;
+		}
+
+		/* try to avoid known ports */
+		se = getservbyport((int)nfs_get_port(ai->ai_addr), "udp");
+		if (se != NULL && retry_cnt < 100) {
+			retry_cnt++;
+			nfs_freeaddrinfo(ai);
+			(void)close(sock);
+			goto retry;
+		}
+	}
+
+	nfs_freeaddrinfo(ai);
+	return sock;
+}
+
+/* Inform the kernel that it's OK to lift lockd's grace period */
+static void
+nsm_lift_grace_period(void)
+{
+	int fd;
+
+	fd = open(NLM_END_GRACE_FILE, O_WRONLY);
+	if (fd < 0) {
+		/* Don't warn if file isn't present */
+		if (errno != ENOENT)
+			xlog(L_WARNING, "Unable to open %s: %m",
+				NLM_END_GRACE_FILE);
+		return;
+	}
+
+	if (write(fd, "Y", 1) < 0)
+		xlog(L_WARNING, "Unable to write to %s: %m", NLM_END_GRACE_FILE);
+
+	close(fd);
+	return;
+}
+inline static void 
+read_smnotify_conf(char **argv)
+{
+	char *s;
+
+	conf_init_file(NFS_CONFFILE);
+	xlog_set_debug("sm-notify");
+	opt_max_retry = conf_get_num("sm-notify", "retry-time", opt_max_retry / 60) * 60;
+	opt_srcport = conf_get_str("sm-notify", "outgoing-port");
+	opt_srcaddr = conf_get_str("sm-notify", "outgoing-addr");
+	lift_grace = conf_get_bool("sm-notify", "lift-grace", lift_grace);
+
+	s = conf_get_str("statd", "state-directory-path");
+	if (s && !nsm_setup_pathnames(argv[0], s))
+		exit(1);
+	opt_update_state = conf_get_bool("sm-notify", "update-state", opt_update_state);
+	force = conf_get_bool("sm-notify", "force", force);
+}
+
+int
+main(int argc, char **argv)
+{
+	int	c, sock;
+	char *	progname;
+
+	progname = strrchr(argv[0], '/');
+	if (progname != NULL)
+		progname++;
+	else
+		progname = argv[0];
+
+	/* Read in config setting */
+	read_smnotify_conf(argv);
+
+	while ((c = getopt(argc, argv, "dm:np:v:P:f")) != -1) {
+		switch (c) {
+		case 'f':
+			force = 1;
+			break;
+		case 'd':
+			opt_debug++;
+			break;
+		case 'm':
+			opt_max_retry = atoi(optarg) * 60;
+			break;
+		case 'n':
+			opt_update_state = false;
+			break;
+		case 'p':
+			opt_srcport = optarg;
+			break;
+		case 'v':
+			opt_srcaddr = optarg;
+			break;
+		case 'P':
+			if (!nsm_setup_pathnames(argv[0], optarg))
+				exit(1);
+			break;
+
+		default:
+			goto usage;
+		}
+	}
+
+	if (optind < argc) {
+usage:		fprintf(stderr,
+			"Usage: %s -notify [-dfq] [-m max-retry-minutes] [-p srcport]\n"
+			"            [-P /path/to/state/directory] [-v my_host_name]\n",
+			progname);
+		exit(1);
+	}
+
+	if (opt_debug) {
+		xlog_syslog(0);
+		xlog_stderr(1);
+		xlog_config(D_ALL, 1);
+	} else {
+		xlog_syslog(1);
+		xlog_stderr(0);
+	}
+
+	xlog_open(progname);
+	xlog(L_NOTICE, "Version " VERSION " starting");
+
+	if (nsm_is_default_parentdir()) {
+		if (record_pid() == 0 && force == 0 && opt_update_state) {
+			/* already run, don't try again */
+			xlog(L_NOTICE, "Already notifying clients; Exiting!");
+			exit(0);
+		}
+	}
+
+	if (opt_srcaddr != NULL) {
+		char *name;
+
+		name = smn_verify_my_name(opt_srcaddr);
+		if (name == NULL)
+			exit(1);
+
+		strncpy(nsm_hostname, name, sizeof(nsm_hostname)-1);
+		free(name);
+	}
+
+	(void)nsm_retire_monitored_hosts();
+	if (nsm_load_notify_list(smn_get_host) == 0) {
+		xlog(D_GENERAL, "No hosts to notify; exiting");
+		if (lift_grace)
+			nsm_lift_grace_period();
+		return 0;
+	}
+
+	nsm_state = nsm_get_state(opt_update_state);
+	if (nsm_state == 0)
+		exit(1);
+	nsm_update_kernel_state(nsm_state);
+
+	if (!opt_debug) {
+		xlog(L_NOTICE, "Backgrounding to notify hosts...\n");
+
+		if (daemon(0, 0) < 0) {
+			xlog(L_ERROR, "unable to background: %m");
+			exit(1);
+		}
+
+		close(0);
+		close(1);
+		close(2);
+	}
+
+	sock = smn_create_socket(opt_srcaddr, opt_srcport);
+	if (sock == -1)
+		exit(1);
+
+	if (!nsm_drop_privileges(-1))
+		exit(1);
+
+	notify(sock);
+
+	if (hosts) {
+		struct nsm_host	*hp;
+
+		while ((hp = hosts) != 0) {
+			hosts = hp->next;
+			xlog(L_NOTICE, "Unable to notify %s, giving up",
+				hp->name);
+		}
+		exit(1);
+	}
+
+	exit(0);
+}
+
+/*
+ * Notify hosts
+ */
+static void
+notify(const int sock)
+{
+	time_t	failtime = 0;
+
+	if (opt_max_retry)
+		failtime = time(NULL) + opt_max_retry;
+
+	while (hosts) {
+		struct pollfd	pfd;
+		time_t		now = time(NULL);
+		unsigned int	sent = 0;
+		struct nsm_host	*hp;
+		long		wait;
+
+		if (failtime && now >= failtime)
+			break;
+
+		while (hosts && ((wait = hosts->send_next - now) <= 0)) {
+			/* Never send more than 10 packets at once */
+			if (sent++ >= 10)
+				break;
+
+			/* Remove queue head */
+			hp = hosts;
+			hosts = hp->next;
+
+			if (notify_host(sock, hp))
+				continue;
+
+			/* Set the timeout for this call, using an
+			   exponential timeout strategy */
+			wait = hp->timeout;
+			if ((hp->timeout <<= 1) > NSM_MAX_TIMEOUT)
+				hp->timeout = NSM_MAX_TIMEOUT;
+			hp->send_next = now + wait;
+			hp->retries++;
+
+			insert_host(hp);
+		}
+		if (hosts == NULL)
+			return;
+
+		xlog(D_GENERAL, "Host %s due in %ld seconds",
+				hosts->name, wait);
+
+		pfd.fd = sock;
+		pfd.events = POLLIN;
+
+		wait *= 1000;
+		if (wait < 100)
+			wait = 100;
+		if (poll(&pfd, 1, wait) != 1)
+			continue;
+
+		recv_reply(sock);
+	}
+}
+
+/*
+ * Send notification to a single host
+ */
+static int
+notify_host(int sock, struct nsm_host *host)
+{
+	struct sockaddr *sap;
+	socklen_t salen;
+
+	if (host->ai == NULL) {
+		host->ai = smn_lookup(host->name);
+		if (host->ai == NULL) {
+			xlog_warn("DNS resolution of %s failed; "
+				"retrying later", host->name);
+			return 0;
+		}
+	}
+
+	/* If we retransmitted 4 times, reset the port to force
+	 * a new portmap lookup (in case statd was restarted).
+	 * We also rotate through multiple IP addresses at this
+	 * point.
+	 */
+	if (host->retries >= 4) {
+		/* don't rotate if there is only one addrinfo */
+		if (host->ai->ai_next != NULL) {
+			struct addrinfo *first = host->ai;
+			struct addrinfo **next = &host->ai;
+
+			/* remove the first entry from the list */
+			host->ai = first->ai_next;
+			first->ai_next = NULL;
+			/* find the end of the list */
+			next = &first->ai_next;
+			while ( *next )
+				next = & (*next)->ai_next;
+			/* put first entry at end */
+			*next = first;
+		}
+
+		nfs_set_port(host->ai->ai_addr, 0);
+		host->retries = 0;
+	}
+
+	sap = host->ai->ai_addr;
+	salen = host->ai->ai_addrlen;
+
+	if (nfs_get_port(sap) == 0)
+		host->xid = nsm_xmit_rpcbind(sock, sap, SM_PROG, SM_VERS);
+	else
+		host->xid = nsm_xmit_notify(sock, sap, salen,
+					SM_PROG, host->notify_arg, nsm_state);
+
+	return 0;
+}
+
+static void
+smn_defer(struct nsm_host *host)
+{
+	host->xid = 0;
+	host->send_next = time(NULL) + NSM_MAX_TIMEOUT;
+	host->timeout = NSM_MAX_TIMEOUT;
+	insert_host(host);
+}
+
+static void
+smn_schedule(struct nsm_host *host)
+{
+	host->retries = 0;
+	host->xid = 0;
+	host->send_next = time(NULL);
+	host->timeout = NSM_TIMEOUT;
+	insert_host(host);
+}
+
+/*
+ * Extract the returned port number and set up the SM_NOTIFY call.
+ */
+static void
+recv_rpcbind_reply(struct sockaddr *sap, struct nsm_host *host, XDR *xdr)
+{
+	uint16_t port = nsm_recv_rpcbind(sap->sa_family, xdr);
+
+	if (port == 0) {
+		/* No binding for statd... */
+		xlog(D_GENERAL, "No statd on host %s", host->name);
+		smn_defer(host);
+	} else {
+		xlog(D_GENERAL, "Processing rpcbind reply for %s (port %u)",
+			host->name, port);
+		nfs_set_port(sap, port);
+		smn_schedule(host);
+	}
+}
+
+/*
+ * Successful NOTIFY call. Server returns void.
+ *
+ * Try sending another SM_NOTIFY with an unqualified "my_name"
+ * argument.  Reuse the port number.  If "my_name" is already
+ * unqualified, we're done.
+ */
+static void
+recv_notify_reply(struct nsm_host *host)
+{
+	char *dot = strchr(host->notify_arg, '.');
+
+	if (dot != NULL) {
+		*dot = '\0';
+		smn_schedule(host);
+	} else {
+		xlog(D_GENERAL, "Host %s notified successfully", host->name);
+		smn_forget_host(host);
+	}
+}
+
+/*
+ * Receive reply from remote host
+ */
+static void
+recv_reply(int sock)
+{
+	struct nsm_host	*hp;
+	struct sockaddr *sap;
+	char msgbuf[NSM_MAXMSGSIZE];
+	uint32_t	xid;
+	ssize_t		msglen;
+	XDR		xdr;
+
+	memset(msgbuf, 0 , sizeof(msgbuf));
+	msglen = recv(sock, msgbuf, sizeof(msgbuf), 0);
+	if (msglen < 0)
+		return;
+
+	xlog(D_GENERAL, "Received packet...");
+
+	memset(&xdr, 0, sizeof(xdr));
+	xdrmem_create(&xdr, msgbuf, (unsigned int)msglen, XDR_DECODE);
+	xid = nsm_parse_reply(&xdr);
+	if (xid == 0)
+		goto out;
+
+	/* Before we look at the data, find the host struct for
+	   this reply */
+	if ((hp = find_host(xid)) == NULL)
+		goto out;
+
+	sap = hp->ai->ai_addr;
+	if (nfs_get_port(sap) == 0)
+		recv_rpcbind_reply(sap, hp, &xdr);
+	else
+		recv_notify_reply(hp);
+
+out:
+	xdr_destroy(&xdr);
+}
+
+/*
+ * Insert host into notification list, sorted by next send time
+ */
+static void
+insert_host(struct nsm_host *host)
+{
+	struct nsm_host	**where, *p;
+
+	where = &hosts;
+	while ((p = *where) != 0) {
+		/* Sort in ascending order of timeout */
+		if (host->send_next < p->send_next)
+			break;
+		/* If we have the same timeout, put the
+		 * most recently used host first.
+		 * This makes sure that "recent" hosts
+		 * get notified first.
+		 */
+		if (host->send_next == p->send_next
+		 && host->last_used > p->last_used)
+			break;
+		where = &p->next;
+	}
+
+	host->next = *where;
+	*where = host;
+	xlog(D_GENERAL, "Added host %s to notify list", host->name);
+}
+
+/*
+ * Find host given the XID
+ */
+static struct nsm_host *
+find_host(uint32_t xid)
+{
+	struct nsm_host	**where, *p;
+
+	where = &hosts;
+	while ((p = *where) != 0) {
+		if (p->xid == xid) {
+			*where = p->next;
+			return p;
+		}
+		where = &p->next;
+	}
+	return NULL;
+}
+
+/*
+ * Record pid in /run/sm-notify.pid
+ * This file should remain until a reboot, even if the
+ * program exits.
+ * If file already exists, fail.
+ */
+static int record_pid(void)
+{
+	char pid[20];
+	ssize_t len;
+	int fd;
+
+	(void)snprintf(pid, sizeof(pid), "%d\n", (int)getpid());
+	fd = open("/run/sm-notify.pid", O_CREAT|O_EXCL|O_WRONLY, 0600);
+	if (fd < 0)
+		return 0;
+
+	len = write(fd, pid, strlen(pid));
+	if ((len < 0) || ((size_t)len != strlen(pid))) {
+		xlog_warn("Writing to pid file failed: errno %d (%m)",
+				errno);
+	}
+
+	(void)close(fd);
+	return 1;
+}
diff --git a/utils/statd/sm-notify.man b/utils/statd/sm-notify.man
new file mode 100644
index 0000000..addf5d3
--- /dev/null
+++ b/utils/statd/sm-notify.man
@@ -0,0 +1,366 @@
+.\"@(#)sm-notify.8"
+.\"
+.\" Copyright (C) 2004 Olaf Kirch <okir@suse.de>
+.\"
+.\" Rewritten by Chuck Lever <chuck.lever@oracle.com>, 2009.
+.\" Copyright 2009 Oracle.  All rights reserved.
+.\"
+.TH SM-NOTIFY 8 "1 November 2009
+.SH NAME
+sm-notify \- send reboot notifications to NFS peers
+.SH SYNOPSIS
+.BI "/usr/sbin/sm-notify [-dfn] [-m " minutes "] [-v " name "] [-p " notify-port "] [-P " path "]
+.SH DESCRIPTION
+File locks are not part of persistent file system state.
+Lock state is thus lost when a host reboots.
+.PP
+Network file systems must also detect when lock state is lost
+because a remote host has rebooted.
+After an NFS client reboots, an NFS server must release all file locks
+held by applications that were running on that client.
+After a server reboots, a client must remind the
+server of file locks held by applications running on that client.
+.PP
+For NFS version 2 and version 3, the
+.I Network Status Monitor
+protocol (or NSM for short)
+is used to notify NFS peers of reboots.
+On Linux, two separate user-space components constitute the NSM service:
+.TP
+.B sm-notify
+A helper program that notifies NFS peers after the local system reboots
+.TP
+.B rpc.statd
+A daemon that listens for reboot notifications from other hosts, and
+manages the list of hosts to be notified when the local system reboots
+.PP
+The local NFS lock manager alerts its local
+.B rpc.statd
+of each remote peer that should be monitored.
+When the local system reboots, the
+.B sm-notify
+command notifies the NSM service on monitored peers of the reboot.
+When a remote reboots, that peer notifies the local
+.BR rpc.statd ,
+which in turn passes the reboot notification
+back to the local NFS lock manager.
+.SH NSM OPERATION IN DETAIL
+The first file locking interaction between an NFS client and server causes
+the NFS lock managers on both peers to contact their local NSM service to
+store information about the opposite peer.
+On Linux, the local lock manager contacts
+.BR rpc.statd .
+.PP
+.B rpc.statd
+records information about each monitored NFS peer on persistent storage.
+This information describes how to contact a remote peer
+in case the local system reboots,
+how to recognize which monitored peer is reporting a reboot,
+and how to notify the local lock manager when a monitored peer
+indicates it has rebooted.
+.PP
+An NFS client sends a hostname, known as the client's
+.IR caller_name ,
+in each file lock request.
+An NFS server can use this hostname to send asynchronous GRANT
+calls to a client, or to notify the client it has rebooted.
+.PP
+The Linux NFS server can provide the client's
+.I caller_name
+or the client's network address to
+.BR rpc.statd .
+For the purposes of the NSM protocol,
+this name or address is known as the monitored peer's
+.IR mon_name .
+In addition, the local lock manager tells
+.B rpc.statd
+what it thinks its own hostname is.
+For the purposes of the NSM protocol,
+this hostname is known as
+.IR my_name .
+.PP
+There is no equivalent interaction between an NFS server and a client
+to inform the client of the server's
+.IR caller_name .
+Therefore NFS clients do not actually know what
+.I mon_name
+an NFS server might use in an SM_NOTIFY request.
+The Linux NFS client records the server's hostname used on the mount command
+to identify rebooting NFS servers.
+.SS Reboot notification
+When the local system reboots, the
+.B sm-notify
+command reads the list of monitored peers from persistent storage and
+sends an SM_NOTIFY request to the NSM service on each listed remote peer.
+It uses the
+.I mon_name
+string as the destination.
+To identify which host has rebooted, the
+.B sm-notify
+command normally sends
+.I my_name
+string recorded when that remote was monitored.
+The remote
+.B rpc.statd
+matches incoming SM_NOTIFY requests using this string,
+or the caller's network address,
+to one or more peers on its own monitor list.
+.PP
+If
+.B rpc.statd
+does not find a peer on its monitor list that matches
+an incoming SM_NOTIFY request,
+the notification is not forwarded to the local lock manager.
+In addition, each peer has its own
+.IR "NSM state number" ,
+a 32-bit integer that is bumped after each reboot by the
+.B sm-notify
+command.
+.B rpc.statd
+uses this number to distinguish between actual reboots
+and replayed notifications.
+.PP
+Part of NFS lock recovery is rediscovering
+which peers need to be monitored again.
+The
+.B sm-notify
+command clears the monitor list on persistent storage after each reboot.
+.SH OPTIONS
+.TP
+.B -d
+Keeps
+.B sm-notify
+attached to its controlling terminal and running in the foreground
+so that notification progress may be monitored directly.
+.TP
+.B -f
+Send notifications even if
+.B sm-notify
+has already run since the last system reboot.
+.TP
+.BI -m " retry-time
+Specifies the length of time, in minutes, to continue retrying
+notifications to unresponsive hosts.
+If this option is not specified,
+.B sm-notify
+attempts to send notifications for 15 minutes.
+Specifying a value of 0 causes
+.B sm-notify
+to continue sending notifications to unresponsive peers
+until it is manually killed.
+.IP
+Notifications are retried if sending fails,
+the remote does not respond,
+the remote's NSM service is not registered,
+or if there is a DNS failure
+which prevents the remote's
+.I mon_name
+from being resolved to an address.
+.IP
+Hosts are not removed from the notification list until a valid
+reply has been received.
+However, the SM_NOTIFY procedure has a void result.
+There is no way for
+.B sm-notify
+to tell if the remote recognized the sender and has started
+appropriate lock recovery.
+.TP
+.B -n
+Prevents
+.B sm-notify
+from updating the local system's NSM state number.
+.TP
+.BI -p " port
+Specifies the source port number
+.B sm-notify
+should use when sending reboot notifications.
+If this option is not specified, a randomly chosen ephemeral port is used.
+.IP
+This option can be used to traverse a firewall between client and server.
+.TP
+.BI "\-P, " "" \-\-state\-directory\-path " pathname
+Specifies the pathname of the parent directory
+where NSM state information resides.
+If this option is not specified,
+.B sm-notify
+uses
+.I /var/lib/nfs
+by default.
+.IP
+After starting,
+.B sm-notify
+attempts to set its effective UID and GID to the owner
+and group of the subdirectory
+.B sm
+of this directory.  After changing the effective ids,
+.B sm-notify
+only needs to access files in
+.B sm
+and
+.B sm.bak
+within the state-directory-path.
+.TP
+.BI -v " ipaddr " | " hostname
+Specifies the network address from which to send reboot notifications,
+and the
+.I mon_name
+argument to use when sending SM_NOTIFY requests.
+If this option is not specified,
+.B sm-notify
+uses a wildcard address as the transport bind address,
+and uses the
+.I my_name
+recorded when the remote was monitored as the
+.I mon_name
+argument when sending SM_NOTIFY requests.
+.IP
+The
+.I ipaddr
+form can be expressed as either an IPv4 or an IPv6 presentation address.
+If the
+.I ipaddr
+form is used, the
+.B sm-notify
+command converts this address to a hostname for use as the
+.I mon_name
+argument when sending SM_NOTIFY requests.
+.IP
+This option can be useful in multi-homed configurations where
+the remote requires notification from a specific network address.
+.SH CONFIGURATION FILE
+Many of the options that can be set on the command line can also be
+controlled through values set in the
+.B [sm-notify]
+or, in one case, the
+.B [statd]
+section of the
+.I /etc/nfs.conf
+configuration file.
+
+Values recognized in the
+.B [sm-notify]
+section include:
+.BR retry-time ,
+.BR outgoing-port ", and"
+.BR outgoing-addr .
+These have the same effect as the command line options
+.BR m ,
+.BR p ", and"
+.B v
+respectively.
+
+An additional value recognized in the
+.B [sm-notify]
+section is
+.BR lift-grace .
+By default,
+.B sm-notify
+will lift lockd's grace period early if it has no hosts to notify.
+Some high availability configurations will run one
+.B sm-notify
+per floating IP address.  In these configurations, lifting the
+grace period early may prevent clients from reclaiming locks.
+.RB "Setting " lift-grace " to " n
+will prevent
+.B sm-notify
+from ending the grace period early.
+.B lift-grace
+has no corresponding command line option.
+
+The value recognized in the
+.B [statd]
+section is
+.BR state-directory-path .
+
+.SH SECURITY
+The
+.B sm-notify
+command must be started as root to acquire privileges needed
+to access the state information database.
+It drops root privileges
+as soon as it starts up to reduce the risk of a privilege escalation attack.
+.PP
+During normal operation,
+the effective user ID it chooses is the owner of the state directory.
+This allows it to continue to access files in that directory after it
+has dropped its root privileges.
+To control which user ID
+.B rpc.statd
+chooses, simply use
+.BR chown (1)
+to set the owner of
+the state directory.
+.SH ADDITIONAL NOTES
+Lock recovery after a reboot is critical to maintaining data integrity
+and preventing unnecessary application hangs.
+.PP
+To help
+.B rpc.statd
+match SM_NOTIFY requests to NLM requests, a number of best practices
+should be observed, including:
+.IP
+The UTS nodename of your systems should match the DNS names that NFS
+peers use to contact them
+.IP
+The UTS nodenames of your systems should always be fully qualified domain names
+.IP
+The forward and reverse DNS mapping of the UTS nodenames should be
+consistent
+.IP
+The hostname the client uses to mount the server should match the server's
+.I mon_name
+in SM_NOTIFY requests it sends
+.PP
+Unmounting an NFS file system does not necessarily stop
+either the NFS client or server from monitoring each other.
+Both may continue monitoring each other for a time in case subsequent
+NFS traffic between the two results in fresh mounts and additional
+file locking.
+.PP
+On Linux, if the
+.B lockd
+kernel module is unloaded during normal operation,
+all remote NFS peers are unmonitored.
+This can happen on an NFS client, for example,
+if an automounter removes all NFS mount
+points due to inactivity.
+.SS IPv6 and TI-RPC support
+TI-RPC is a pre-requisite for supporting NFS on IPv6.
+If TI-RPC support is built into the
+.B sm-notify
+command ,it will choose an appropriate IPv4 or IPv6 transport
+based on the network address returned by DNS for each remote peer.
+It should be fully compatible with remote systems
+that do not support TI-RPC or IPv6.
+.PP
+Currently, the
+.B sm-notify
+command supports sending notification only via datagram transport protocols.
+.SH FILES
+.TP 2.5i
+.I /var/lib/nfs/sm
+directory containing monitor list
+.TP 2.5i
+.I /var/lib/nfs/sm.bak
+directory containing notify list
+.TP 2.5i
+.I /var/lib/nfs/state
+NSM state number for this host
+.TP 2.5i
+.I /proc/sys/fs/nfs/nsm_local_state
+kernel's copy of the NSM state number
+.SH SEE ALSO
+.BR rpc.statd (8),
+.BR nfs (5),
+.BR uname (2),
+.BR hostname (7)
+.PP
+RFC 1094 - "NFS: Network File System Protocol Specification"
+.br
+RFC 1813 - "NFS Version 3 Protocol Specification"
+.br
+OpenGroup Protocols for Interworking: XNFS, Version 3W - Chapter 11
+.SH AUTHORS
+Olaf Kirch <okir@suse.de>
+.br
+Chuck Lever <chuck.lever@oracle.com>
diff --git a/utils/statd/start-statd b/utils/statd/start-statd
new file mode 100755
index 0000000..b11a7d9
--- /dev/null
+++ b/utils/statd/start-statd
@@ -0,0 +1,33 @@
+#!/bin/sh
+# nfsmount calls this script when mounting a filesystem with locking
+# enabled, but when statd does not seem to be running (based on
+# /run/rpc.statd.pid).
+# It should run statd with whatever flags are apropriate for this
+# site.
+PATH="/sbin:/usr/sbin:/bin:/usr/bin"
+
+# Use flock to serialize the running of this script
+exec 9> /run/rpc.statd.lock
+flock -e 9
+
+if [ -s /run/rpc.statd.pid ] &&
+       [ "1$(cat /run/rpc.statd.pid)" -gt 1 ] &&
+       kill -0 "$(cat /run/rpc.statd.pid)" > /dev/null 2>&1
+then
+    # statd already running - must have been slow to respond.
+    exit 0
+fi
+# First try systemd if it's installed.
+if [ -d /run/systemd/system ]; then
+    # Quit only if the call worked.
+    if systemctl start rpc-statd.service; then
+        # Ensure systemd knows not to stop rpc.statd or its dependencies
+        # on 'systemctl isolate ..'
+        systemctl add-wants --runtime remote-fs.target rpc-statd.service
+        exit 0
+    fi
+fi
+
+cd /
+# Fall back to launching it ourselves.
+exec rpc.statd --no-notify
diff --git a/utils/statd/stat.c b/utils/statd/stat.c
new file mode 100644
index 0000000..8d8b65e
--- /dev/null
+++ b/utils/statd/stat.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 1995, 1997, 1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, 1996.
+ *
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <netdb.h>
+#include "statd.h"
+
+/*
+ * Services SM_STAT requests.
+ *
+ * According the the X/Open spec's on this procedure: "Implementations
+ * should not rely on this procedure being operative.  In many current
+ * implementations of the NSM it will always return a 'STAT_FAIL'
+ * status."  My implementation is operative; it returns 'STAT_SUCC'
+ * whenever it can resolve the hostname that it's being asked to
+ * monitor, and returns 'STAT_FAIL' otherwise.
+ *
+ * sm_inter.x says the 'state' returned should be
+ *   "state number of site sm_name".  It is not clear how to get this.
+ * X/Open says:
+ *   STAT_SUCC
+ *      The NSM will monitor the given host. "sm_stat_res.state" contains
+ *      the state of the NSM.
+ * Which implies that 'state' is the state number of the *local* NSM.
+ * href=http://www.opengroup.org/onlinepubs/9629799/SM_STAT.htm
+ *
+ * We return the *local* state as
+ *   1/ We have easy access to it.
+ *   2/ It might be useful to a remote client who needs it and has no
+ *      other way to get it.
+ *   3/ That's what we always did in the past.
+ */
+struct sm_stat_res *
+sm_stat_1_svc(struct sm_name *argp,
+		__attribute__ ((unused)) struct svc_req *rqstp)
+{
+  static sm_stat_res result;
+  char *name;
+
+  xlog(D_CALL, "Received SM_STAT from %s", argp->mon_name);
+
+  name = statd_canonical_name(argp->mon_name);
+  if (name == NULL) {
+    result.res_stat = STAT_FAIL;
+    xlog (D_GENERAL, "STAT_FAIL for %s", argp->mon_name);
+  } else {
+    result.res_stat = STAT_SUCC;
+    xlog (D_GENERAL, "STAT_SUCC for %s", argp->mon_name);
+    free(name);
+  }
+  result.state = MY_STATE;
+  return(&result);
+}
diff --git a/utils/statd/statd.c b/utils/statd/statd.c
new file mode 100644
index 0000000..a469a67
--- /dev/null
+++ b/utils/statd/statd.c
@@ -0,0 +1,549 @@
+/* 
+ * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, Oct. 1996.
+ * Modified by H.J. Lu, 1998.
+ * Modified by L. Hohberger of Mission Critical Linux, 2000.
+ *
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/stat.h>
+#include <limits.h>
+#include <signal.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <getopt.h>
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+#include <rpcmisc.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+#include <grp.h>
+
+#include "conffile.h"
+#include "statd.h"
+#include "nfslib.h"
+#include "nfsrpc.h"
+#include "nsm.h"
+
+/* Socket operations */
+#include <sys/types.h>
+#include <sys/socket.h>
+
+int	run_mode = 0;		/* foreground logging mode */
+
+/* LH - I had these local to main, but it seemed silly to have 
+ * two copies of each - one in main(), one static in log.c... 
+ * It also eliminates the 256-char static in log.c */
+static char *name_p = NULL;
+
+/* PRC: a high-availability callout program can be specified with -H
+ * When this is done, the program will receive callouts whenever clients
+ * are added or deleted to the notify list */
+char *ha_callout_prog = NULL;
+
+static struct option longopts[] =
+{
+	{ "foreground", 0, 0, 'F' },
+	{ "no-syslog", 0, 0, 'd' },
+	{ "help", 0, 0, 'h' },
+	{ "version", 0, 0, 'v' },
+	{ "outgoing-port", 1, 0, 'o' },
+	{ "port", 1, 0, 'p' },
+	{ "name", 1, 0, 'n' },
+	{ "state-directory-path", 1, 0, 'P' },
+	{ "notify-mode", 0, 0, 'N' },
+	{ "ha-callout", 1, 0, 'H' },
+	{ "no-notify", 0, 0, 'L' },
+	{ "nlm-port", 1, 0, 'T'},
+	{ "nlm-udp-port", 1, 0, 'U'},
+	{ NULL, 0, 0, 0 }
+};
+
+extern void sm_prog_1 (struct svc_req *, register SVCXPRT *);
+stat_chge	SM_stat_chge;
+
+#ifdef SIMULATIONS
+extern void simulator (int, char **);
+#endif
+
+
+#ifdef HAVE_TCP_WRAPPER 
+#include "tcpwrapper.h"
+
+static void 
+sm_prog_1_wrapper (struct svc_req *rqstp, register SVCXPRT *transp)
+{
+	/* remote host authorization check */
+	if (!check_default("statd", nfs_getrpccaller(transp), SM_PROG)) {
+		svcerr_auth (transp, AUTH_FAILED);
+		return;
+	}
+
+	sm_prog_1 (rqstp, transp);
+}
+
+#define sm_prog_1 sm_prog_1_wrapper
+#endif
+
+static void
+statd_unregister(void) {
+	nfs_svc_unregister(SM_PROG, SM_VERS);
+}
+
+/*
+ * Signal handler.
+ */
+static void 
+killer (int sig)
+{
+	statd_unregister ();
+	xlog(D_GENERAL, "Caught signal %d, un-registering and exiting", sig);
+	exit(0);
+}
+
+static void
+sigusr (int sig)
+{
+	extern void my_svc_exit (void);
+	xlog(D_GENERAL, "Caught signal %d, re-notifying (state %d)", sig,
+								MY_STATE);
+	my_svc_exit();
+}
+
+/*
+ * Startup information.
+ */
+static void log_modes(void)
+{
+	char buf[128];		/* watch stack size... */
+
+	/* No flags = no message */
+	if (!run_mode) return;
+
+	memset(buf,0,128);
+	sprintf(buf,"Flags: ");
+	if (run_mode & MODE_NODAEMON)
+		strcat(buf,"No-Daemon ");
+	if (run_mode & MODE_LOG_STDERR)
+		strcat(buf,"Log-STDERR ");
+#ifdef HAVE_LIBTIRPC
+	strcat(buf, "TI-RPC ");
+#endif
+
+	xlog_warn("%s", buf);
+}
+
+/*
+ * Since we do more than standard statd stuff, we might need to
+ * help the occasional admin. 
+ */
+static void 
+usage(void)
+{
+	fprintf(stderr,"usage: %s [options]\n", name_p);
+	fprintf(stderr,"      -h, -?, --help       Print this help screen.\n");
+	fprintf(stderr,"      -F, --foreground     Foreground (no-daemon mode)\n");
+	fprintf(stderr,"      -d, --no-syslog      Verbose logging to stderr.  Foreground mode only.\n");
+	fprintf(stderr,"      -p, --port           Port to listen on\n");
+	fprintf(stderr,"      -o, --outgoing-port  Port for outgoing connections\n");
+	fprintf(stderr,"      -V, -v, --version    Display version information and exit.\n");
+	fprintf(stderr,"      -n, --name           Specify a local hostname.\n");
+	fprintf(stderr,"      -P                   State directory path.\n");
+	fprintf(stderr,"      -N                   Run in notify only mode.\n");
+	fprintf(stderr,"      -L, --no-notify      Do not perform any notification.\n");
+	fprintf(stderr,"      -H                   Specify a high-availability callout program.\n");
+}
+
+static const char *pidfile = "/run/rpc.statd.pid";
+
+int pidfd = -1;
+static void create_pidfile(void)
+{
+	FILE *fp;
+
+	unlink(pidfile);
+	fp = fopen(pidfile, "w");
+	if (!fp)
+		xlog_err("Opening %s failed: %m\n", pidfile);
+	fprintf(fp, "%d\n", getpid());
+	pidfd = dup(fileno(fp));
+	if (fclose(fp) < 0) {
+		xlog_warn("Flushing pid file failed: errno %d (%m)\n",
+			errno);
+	}
+}
+
+static void truncate_pidfile(void)
+{
+	if (pidfd >= 0) {
+		if (ftruncate(pidfd, 0) < 0) {
+			xlog_warn("truncating pid file failed: errno %d (%m)\n",
+				errno);
+		}
+	}
+}
+
+static void run_sm_notify(int outport)
+{
+	char op[20];
+	char *av[6];
+	int ac = 0;
+
+	av[ac++] = "/usr/sbin/sm-notify";
+	if (run_mode & MODE_NODAEMON)
+		av[ac++] = "-d";
+	if (outport) {
+		sprintf(op, "-p%d", outport);
+		av[ac++] = op;
+	}
+	if (run_mode & STATIC_HOSTNAME) {
+		av[ac++] = "-v";
+		av[ac++] = MY_NAME;
+	}
+	av[ac] = NULL;
+	execv(av[0], av);
+	fprintf(stderr, "%s: failed to run %s\n", name_p, av[0]);
+	exit(2);
+
+}
+
+static void set_nlm_port(char *type, int port)
+{
+	char nbuf[20];
+	char pathbuf[40];
+	int fd;
+	if (!port)
+		return;
+	snprintf(nbuf, sizeof(nbuf), "%d", port);
+	snprintf(pathbuf, sizeof(pathbuf), "/proc/sys/fs/nfs/nlm_%sport", type);
+	fd = open(pathbuf, O_WRONLY);
+	if (fd < 0 && errno == ENOENT) {
+		/* probably module not loaded */
+		if (system("modprobe lockd"))
+			{/* ignore return value */};
+		fd = open(pathbuf, O_WRONLY);
+	}
+	if (fd >= 0) {
+		if (write(fd, nbuf, strlen(nbuf)) != (ssize_t)strlen(nbuf))
+			fprintf(stderr, "%s: fail to set NLM %s port: %s\n",
+				name_p, type, strerror(errno));
+		close(fd);
+	} else
+		fprintf(stderr, "%s: failed to open %s: %s\n", 
+			name_p, pathbuf, strerror(errno));
+}
+int port = 0, out_port = 0;
+int nlm_udp = 0, nlm_tcp = 0;
+
+inline static void 
+read_statd_conf(char **argv)
+{
+	char *s;
+
+	conf_init_file(NFS_CONFFILE);
+	xlog_set_debug("statd");
+
+	out_port = conf_get_num("statd", "outgoing-port", out_port);
+	port = conf_get_num("statd", "port", port);
+
+	MY_NAME = conf_get_str("statd", "name");
+	if (MY_NAME)
+		run_mode |= STATIC_HOSTNAME;
+
+	s = conf_get_str("statd", "state-directory-path");
+	if (s && !nsm_setup_pathnames(argv[0], s))
+		exit(1);
+
+	s = conf_get_str("statd", "ha-callout");
+	if (s)
+		ha_callout_prog = s;
+
+	nlm_tcp = conf_get_num("lockd", "port", nlm_tcp);
+	/* udp defaults to the same as tcp ! */
+	nlm_udp = conf_get_num("lockd", "udp-port", nlm_tcp);
+
+	if (conf_get_bool("statd", "no-notify", false))
+		run_mode |= MODE_NO_NOTIFY;
+}
+
+/*
+ * Entry routine/main loop.
+ */
+int main (int argc, char **argv)
+{
+	extern char *optarg;
+	int pid;
+	int arg;
+	struct rlimit rlim;
+	int notify_sockfd;
+	char *env;
+
+	/* Default: daemon mode, no other options */
+	run_mode = 0;
+
+	env = getenv("RPC_STATD_NO_NOTIFY");
+	if (env && atoi(env) > 0)
+		run_mode |= MODE_NO_NOTIFY;
+
+	/* Log to stderr if there's an error during startup */
+	xlog_stderr(1);
+	xlog_syslog(0);
+
+	/* Set the basename */
+	if ((name_p = strrchr(argv[0],'/')) != NULL) {
+		name_p ++;
+	} else {
+		name_p = argv[0];
+	}
+
+	/* Set hostname */
+	MY_NAME = NULL;
+
+	/* Read in config setting */
+	read_statd_conf(argv);
+
+	/* Process command line switches */
+	while ((arg = getopt_long(argc, argv, "h?vVFNH:dn:p:o:P:LT:U:", longopts, NULL)) != EOF) {
+		switch (arg) {
+		case 'V':	/* Version */
+		case 'v':
+			printf("%s version " VERSION "\n",name_p);
+			exit(0);
+		case 'F':	/* Foreground/nodaemon mode */
+			run_mode |= MODE_NODAEMON;
+			break;
+		case 'N':
+			run_mode |= MODE_NOTIFY_ONLY;
+			break;
+		case 'L': /* Listen only */
+			run_mode |= MODE_NO_NOTIFY;
+			break;
+		case 'd':	/* No daemon only - log to stderr */
+			run_mode |= MODE_LOG_STDERR;
+			break;
+		case 'o':
+			out_port = atoi(optarg);
+			if (out_port < 1 || out_port > 65535) {
+				fprintf(stderr, "%s: bad port number: %s\n",
+					argv[0], optarg);
+				usage();
+				exit(1);
+			}
+			break;
+		case 'p':
+			port = atoi(optarg);
+			if (port < 1 || port > 65535) {
+				fprintf(stderr, "%s: bad port number: %s\n",
+					argv[0], optarg);
+				usage();
+				exit(1);
+			}
+			break;
+		case 'T': /* NLM TCP and UDP port */
+			nlm_tcp = atoi(optarg);
+			if (nlm_tcp < 1 || nlm_tcp > 65535) {
+				fprintf(stderr, "%s: bad nlm port number: %s\n",
+					argv[0], optarg);
+				usage();
+				exit(1);
+			}
+			if (nlm_udp == 0)
+				nlm_udp = nlm_tcp;
+			break;
+		case 'U': /* NLM  UDP port */
+			nlm_udp = atoi(optarg);
+			if (nlm_udp < 1 || nlm_udp > 65535) {
+				fprintf(stderr, "%s: bad nlm UDP port number: %s\n",
+					argv[0], optarg);
+				usage();
+				exit(1);
+			}
+			break;
+		case 'n':	/* Specify local hostname */
+			run_mode |= STATIC_HOSTNAME;
+			MY_NAME = xstrdup(optarg);
+			break;
+		case 'P':
+			if (!nsm_setup_pathnames(argv[0], optarg))
+				exit(1);
+			break;
+		case 'H': /* PRC: specify the ha-callout program */
+			if ((ha_callout_prog = xstrdup(optarg)) == NULL)
+				exit(1);
+			break;
+		case '?':	/* heeeeeelllllllpppp? heh */
+		case 'h':
+			usage();
+			exit (0);
+		default:	/* oh dear ... heh */
+			usage();
+			exit(-1);
+		}
+	}
+
+	/* Refuse to start if another statd is running */
+	if (nfs_probe_statd()) {
+		fprintf(stderr, "Statd service already running!\n");
+		exit(1);
+	}
+
+	if (port == out_port && port != 0) {
+		fprintf(stderr, "Listening and outgoing ports cannot be the same!\n");
+		exit(-1);
+	}
+
+	if (run_mode & MODE_NOTIFY_ONLY) {
+		fprintf(stderr, "%s: -N deprecated, consider using /usr/sbin/sm-notify directly\n",
+			name_p);
+		run_sm_notify(out_port);
+	}
+
+	if (!(run_mode & MODE_NODAEMON)) {
+		run_mode &= ~MODE_LOG_STDERR;	/* Never log to console in
+						   daemon mode. */
+	}
+
+	if (getrlimit (RLIMIT_NOFILE, &rlim) != 0)
+		fprintf(stderr, "%s: getrlimit (RLIMIT_NOFILE) failed: %s\n",
+				argv [0], strerror(errno));
+	else {
+		/* glibc sunrpc code dies if getdtablesize > FD_SETSIZE */
+		if (rlim.rlim_cur > FD_SETSIZE) {
+			rlim.rlim_cur = FD_SETSIZE;
+
+			if (setrlimit (RLIMIT_NOFILE, &rlim) != 0) {
+				fprintf(stderr, "%s: setrlimit (RLIMIT_NOFILE) failed: %s\n",
+					argv [0], strerror(errno));
+			}
+		}
+	}
+
+	set_nlm_port("tcp", nlm_tcp);
+	set_nlm_port("udp", nlm_udp);
+
+#ifdef SIMULATIONS
+	if (argc > 1)
+		/* LH - I _really_ need to update simulator... */
+		simulator (--argc, ++argv);	/* simulator() does exit() */
+#endif
+
+	daemon_init((run_mode & MODE_NODAEMON));
+
+	if (run_mode & MODE_LOG_STDERR) {
+		xlog_syslog(0);
+		xlog_stderr(1);
+		xlog_config(D_ALL, 1);
+	} else {
+		xlog_syslog(1);
+		xlog_stderr(0);
+	}
+
+	xlog_open(name_p);
+	xlog(L_NOTICE, "Version " VERSION " starting");
+
+	log_modes();
+
+	signal (SIGHUP, killer);
+	signal (SIGINT, killer);
+	signal (SIGTERM, killer);
+	/* PRC: trap SIGUSR1 to re-read notify list from disk */
+	signal(SIGUSR1, sigusr);
+	/* WARNING: the following works on Linux and SysV, but not BSD! */
+	signal(SIGCHLD, SIG_IGN);
+	/*
+	 * Ignore SIGPIPE to avoid statd dying when peers close their
+	 * TCP connection while we're trying to reply to them.
+	 */
+	signal(SIGPIPE, SIG_IGN);
+
+	create_pidfile();
+	atexit(truncate_pidfile);
+
+	if (! (run_mode & MODE_NO_NOTIFY))
+		switch (pid = fork()) {
+		case 0:
+			run_sm_notify(out_port);
+			break;
+		case -1:
+			break;
+		default:
+			waitpid(pid, NULL, 0);
+		}
+
+	/* Make sure we have a privilege port for calling into the kernel */
+	if ((notify_sockfd = statd_get_socket()) < 0)
+		exit(1);
+
+	/* If sm-notify didn't take all the state files, load
+	 * state information into our notify-list so we can
+	 * pass on any SM_NOTIFY that arrives
+	 */
+	load_state();
+
+	MY_STATE = nsm_get_state(0);
+	if (MY_STATE == 0)
+		exit(1);
+	xlog(D_GENERAL, "Local NSM state number: %d", MY_STATE);
+	nsm_update_kernel_state(MY_STATE);
+
+	/*
+	 * ORDER
+	 * Clear old listeners while still root, to override any
+	 * permission checking done by rpcbind.
+	 */
+	statd_unregister();
+
+	/*
+	 * ORDER
+	 */
+	if (!nsm_drop_privileges(pidfd))
+		exit(1);
+
+	/*
+	 * ORDER
+	 * Create RPC listeners after dropping privileges.  This permits
+	 * statd to unregister its own listeners when it exits.
+	 */
+	if (nfs_svc_create("statd", SM_PROG, SM_VERS, sm_prog_1, port) == 0) {
+		xlog(L_ERROR, "failed to create RPC listeners, exiting");
+		exit(1);
+	}
+	atexit(statd_unregister);
+
+	/* If we got this far, we have successfully started */
+	daemon_ready();
+
+	for (;;) {
+		/*
+		 * Handle incoming requests:  SM_NOTIFY socket requests, as
+		 * well as callbacks from lockd.
+		 */
+		my_svc_run(notify_sockfd);	/* I rolled my own, Olaf made it better... */
+
+		/* Only get here when simulating a crash so we should probably
+		 * start sm-notify running again.  As we have already dropped
+		 * privileges, this might not work, but I don't think
+		 * responding to SM_SIMU_CRASH is an important use cases to
+		 * get perfect.
+		 */
+		if (! (run_mode & MODE_NO_NOTIFY))
+			switch (pid = fork()) {
+			case 0:
+				run_sm_notify(out_port);
+				break;
+			case -1:
+				break;
+			default:
+				waitpid(pid, NULL, 0);
+			}
+
+	}
+	return 0;
+}
diff --git a/utils/statd/statd.h b/utils/statd/statd.h
new file mode 100644
index 0000000..bb1fecb
--- /dev/null
+++ b/utils/statd/statd.h
@@ -0,0 +1,68 @@
+/* 
+ * Copyright (C) 1995-1997, 1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, Dec. 1996.
+ *
+ * NSM for Linux.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "sm_inter.h"
+#include "system.h"
+#include "xlog.h"
+
+/*
+ * Status definitions.
+ */
+#define STAT_FAIL	stat_fail
+#define STAT_SUCC	stat_succ
+
+/*
+ * Function prototypes.
+ */
+extern _Bool	statd_matchhostname(const char *hostname1, const char *hostname2);
+extern _Bool	statd_present_address(const struct sockaddr *sap, char *buf,
+					const size_t buflen);
+__attribute__((__malloc__))
+extern char *	statd_canonical_name(const char *hostname);
+
+extern void	my_svc_run(int);
+extern void	notify_hosts(void);
+extern void	shuffle_dirs(void);
+extern int	statd_get_socket(void);
+extern int	process_notify_list(void);
+extern int	process_reply(FD_SET_TYPE *);
+extern char *	xstrdup(const char *);
+extern void *	xmalloc(size_t);
+extern void	load_state(void);
+
+/*
+ * Host status structure and macros.
+ */
+extern stat_chge	SM_stat_chge;
+#define MY_NAME		SM_stat_chge.mon_name
+#define MY_STATE	SM_stat_chge.state
+
+/*
+ * Some timeout values.  (Timeout values are in whole seconds.)
+ */
+#define CALLBACK_TIMEOUT	 3 /* For client call-backs. */
+#define NOTIFY_TIMEOUT		 5 /* For status-change notifications. */
+#define SELECT_TIMEOUT		10 /* Max select() timeout when work to do. */
+#define MAX_TRIES		 5 /* Max number of tries for any host. */
+
+/*
+ * Modes of operation - Lon
+ */
+extern int run_mode;
+#define MODE_NODAEMON 1		/* No-daemon/foreground mode. */
+#define MODE_LOG_STDERR 2	/* in foreground mode, log to stderr */
+#define MODE_NOTIFY_ONLY 4	/* Send SM_NOTIFY to everyone monitored on
+				   a single interface/alias */
+/* LH - notify_only mode would be for notifying hosts on an IP alias
+ * that just came back up, for ex, when failing over a HA service to
+ * another host.... */
+#define STATIC_HOSTNAME 8	/* Always use the hostname set by -n */
+#define	MODE_NO_NOTIFY	16	/* Don't notify peers of a reboot */
diff --git a/utils/statd/statd.man b/utils/statd/statd.man
new file mode 100644
index 0000000..7441ffd
--- /dev/null
+++ b/utils/statd/statd.man
@@ -0,0 +1,474 @@
+.\"@(#)rpc.statd.8"
+.\"
+.\" Copyright (C) 1999 Olaf Kirch <okir@monad.swb.de>
+.\" Modified by Jeffrey A. Uphoff, 1999, 2002, 2005.
+.\" Modified by Lon Hohberger, 2000.
+.\" Modified by Paul Clements, 2004.
+.\"
+.\" Rewritten by Chuck Lever <chuck.lever@oracle.com>, 2009.
+.\" Copyright 2009 Oracle.  All rights reserved.
+.\"
+.TH RPC.STATD 8 "1 November 2009"
+.SH NAME
+rpc.statd \- NSM service daemon
+.SH SYNOPSIS
+.BI "rpc.statd [-dh?FLNvV] [-H " prog "] [-n " my-name "] [-o " outgoing-port ]
+.ti +10
+.BI "[-p " listener-port "] [-P " path ]
+.ti +10
+.BI "[--nlm-port " port "] [--nlm-udp-port " port ]
+.SH DESCRIPTION
+File locks are not part of persistent file system state.
+Lock state is thus lost when a host reboots.
+.PP
+Network file systems must also detect when lock state is lost
+because a remote host has rebooted.
+After an NFS client reboots, an NFS server must release all file locks
+held by applications that were running on that client.
+After a server reboots, a client must remind the
+server of file locks held by applications running on that client.
+.PP
+For NFS version 2 [RFC1094] and NFS version 3 [RFC1813], the
+.I Network Status Monitor
+protocol (or NSM for short)
+is used to notify NFS peers of reboots.
+On Linux, two separate user-space components constitute the NSM service:
+.TP
+.B rpc.statd
+A daemon that listens for reboot notifications from other hosts, and
+manages the list of hosts to be notified when the local system reboots
+.TP
+.B sm-notify
+A helper program that notifies NFS peers after the local system reboots
+.PP
+The local NFS lock manager alerts its local
+.B rpc.statd
+of each remote peer that should be monitored.
+When the local system reboots, the
+.B sm-notify
+command notifies the NSM service on monitored peers of the reboot.
+When a remote reboots, that peer notifies the local
+.BR rpc.statd ,
+which in turn passes the reboot notification
+back to the local NFS lock manager.
+.SH NSM OPERATION IN DETAIL
+The first file locking interaction between an NFS client and server causes
+the NFS lock managers on both peers to contact their local NSM service to
+store information about the opposite peer.
+On Linux, the local lock manager contacts
+.BR rpc.statd .
+.PP
+.B rpc.statd
+records information about each monitored NFS peer on persistent storage.
+This information describes how to contact a remote peer
+in case the local system reboots,
+how to recognize which monitored peer is reporting a reboot,
+and how to notify the local lock manager when a monitored peer
+indicates it has rebooted.
+.PP
+An NFS client sends a hostname, known as the client's
+.IR caller_name ,
+in each file lock request.
+An NFS server can use this hostname to send asynchronous GRANT
+calls to a client, or to notify the client it has rebooted.
+.PP
+The Linux NFS server can provide the client's
+.I caller_name
+or the client's network address to
+.BR rpc.statd .
+For the purposes of the NSM protocol,
+this name or address is known as the monitored peer's
+.IR mon_name .
+In addition, the local lock manager tells
+.B rpc.statd
+what it thinks its own hostname is.
+For the purposes of the NSM protocol,
+this hostname is known as
+.IR my_name .
+.PP
+There is no equivalent interaction between an NFS server and a client
+to inform the client of the server's
+.IR caller_name .
+Therefore NFS clients do not actually know what
+.I mon_name
+an NFS server might use in an SM_NOTIFY request.
+The Linux NFS client uses the server hostname from the mount command
+to identify rebooting NFS servers.
+.SS Reboot notification
+When the local system reboots, the
+.B sm-notify
+command reads the list of monitored peers from persistent storage and
+sends an SM_NOTIFY request to the NSM service on each listed remote peer.
+It uses the
+.I mon_name
+string as the destination.
+To identify which host has rebooted, the
+.B sm-notify
+command sends the
+.I my_name
+string recorded when that remote was monitored.
+The remote
+.B rpc.statd
+matches incoming SM_NOTIFY requests using this string,
+or the caller's network address,
+to one or more peers on its own monitor list.
+.PP
+If
+.B rpc.statd
+does not find a peer on its monitor list that matches
+an incoming SM_NOTIFY request,
+the notification is not forwarded to the local lock manager.
+In addition, each peer has its own
+.IR "NSM state number" ,
+a 32-bit integer that is bumped after each reboot by the
+.B sm-notify
+command.
+.B rpc.statd
+uses this number to distinguish between actual reboots
+and replayed notifications.
+.PP
+Part of NFS lock recovery is rediscovering
+which peers need to be monitored again.
+The
+.B sm-notify
+command clears the monitor list on persistent storage after each reboot.
+.SH OPTIONS
+.TP
+.BR -d , " --no-syslog
+Causes
+.B rpc.statd
+to write log messages on
+.I stderr
+instead of to the system log,
+if the
+.B -F
+option was also specified.
+.TP
+.BR -F , " --foreground
+Keeps
+.B rpc.statd
+attached to its controlling terminal so that NSM
+operation can be monitored directly or run under a debugger.
+If this option is not specified,
+.B rpc.statd
+backgrounds itself soon after it starts.
+.TP
+.BR -h , " -?" , " --help
+Causes
+.B rpc.statd
+to display usage information on
+.I stderr
+and then exit.
+.TP
+.BI "\-H," "" " \-\-ha-callout " prog
+Specifies a high availability callout program.
+If this option is not specified, no callouts are performed.
+See the
+.B High-availability callouts
+section below for details.
+.TP
+.BR -L , " --no-notify
+Prevents
+.B rpc.statd
+from running the
+.B sm-notify
+command when it starts up,
+preserving the existing NSM state number and monitor list.
+.IP
+Note: the
+.B sm-notify
+command contains a check to ensure it runs only once after each system reboot.
+This prevents spurious reboot notification if
+.B rpc.statd
+restarts without the
+.B -L
+option.
+.TP
+.BI "\-n, " "" "\-\-name " ipaddr " | " hostname
+This string is only used by the
+.B sm-notify
+command as the source address from which to send reboot notification requests.
+.IP
+The
+.I ipaddr
+form can be expressed as either an IPv4 or an IPv6 presentation address.
+If this option is not specified,
+.B rpc.statd
+uses a wildcard address as the transport bind address.
+See
+.BR sm-notify (8)
+for details.
+.TP
+.BR -N
+Causes
+.B rpc.statd
+to run the
+.B sm-notify
+command, and then exit.
+Since the
+.B sm-notify
+command can also be run directly, this option is deprecated.
+.TP
+.BI "\-o," "" " \-\-outgoing\-port "  port
+Specifies the source port number the
+.B sm-notify
+command should use when sending reboot notifications.
+See
+.BR sm-notify (8)
+for details.
+.TP
+.BI "\-p," "" " \-\-port " port
+Specifies the port number used for RPC listener sockets.
+If this option is not specified,
+.B rpc.statd
+will try to consult
+.IR /etc/services ,
+if gets port succeed, set the same port for all listener socket,
+otherwise chooses a random ephemeral port for each listener socket.
+.IP
+This option can be used to fix the port value of its listeners when
+SM_NOTIFY requests must traverse a firewall between clients and
+servers.
+.TP
+.BI "\-T," "" " \-\-nlm\-port " port
+Specifies the port number that
+.I lockd
+should listen on for
+.B NLM
+requests.  This sets both the TCP and UDP ports unless the UDP port is
+set separately.
+.TP
+.BI "\-U," "" " \-\-nlm\-udp\-port " port
+Specifies the UDP port number that
+.I lockd
+should listen on for
+.B NLM
+requests.
+.TP
+.BI "\-P, " "" \-\-state\-directory\-path " pathname"
+Specifies the pathname of the parent directory
+where NSM state information resides.
+If this option is not specified,
+.B rpc.statd
+uses
+.I /var/lib/nfs
+by default.
+.IP
+After starting,
+.B rpc.statd
+attempts to set its effective UID and GID to the owner
+and group of the subdirectory
+.B sm
+of this directory.  After changing the effective ids,
+.B rpc.statd
+only needs to access files in
+.B sm
+and
+.B sm.bak
+within the state-directory-path.
+.TP
+.BR -v ", " -V ", " --version
+Causes
+.B rpc.statd
+to display version information on
+.I stderr
+and then exit.
+.SH CONFIGURATION FILE
+Many of the options that can be set on the command line can also be
+controlled through values set in the
+.B [statd]
+or, in some cases, the
+.B [lockd]
+sections of the
+.I /etc/nfs.conf
+configuration file.
+Values recognized in the
+.B [statd]
+section include
+.BR port ,
+.BR outgoing-port ,
+.BR name ,
+.BR state-directory-path ", and"
+.B ha-callout
+which each have the same effect as the option with the same name.
+
+The values recognized in the
+.B [lockd]
+section include
+.B port
+and
+.B udp-port
+which have the same effect as the
+.B --nlm-port
+and
+.B --nlm-udp-port
+options, respectively.
+
+.SH SECURITY
+The
+.B rpc.statd
+daemon must be started as root to acquire privileges needed
+to create sockets with privileged source ports, and to access the
+state information database.
+Because
+.B rpc.statd
+maintains a long-running network service, however, it drops root privileges
+as soon as it starts up to reduce the risk of a privilege escalation attack.
+.PP
+During normal operation,
+the effective user ID it chooses is the owner of the state directory.
+This allows it to continue to access files in that directory after it
+has dropped its root privileges.
+To control which user ID
+.B rpc.statd
+chooses, simply use
+.BR chown (1)
+to set the owner of
+the state directory.
+.PP
+You can also protect your
+.B rpc.statd
+listeners using the
+.B tcp_wrapper
+library or
+.BR iptables (8).
+To use the
+.B tcp_wrapper
+library, add the hostnames of peers that should be allowed access to
+.IR /etc/hosts.allow .
+Use the daemon name
+.B statd
+even if the
+.B rpc.statd
+binary has a different filename.
+.P
+For further information see the
+.BR tcpd (8)
+and
+.BR hosts_access (5)
+man pages.
+.SH ADDITIONAL NOTES
+Lock recovery after a reboot is critical to maintaining data integrity
+and preventing unnecessary application hangs.
+To help
+.B rpc.statd
+match SM_NOTIFY requests to NLM requests, a number of best practices
+should be observed, including:
+.IP
+The UTS nodename of your systems should match the DNS names that NFS
+peers use to contact them
+.IP
+The UTS nodenames of your systems should always be fully qualified domain names
+.IP
+The forward and reverse DNS mapping of the UTS nodenames should be
+consistent
+.IP
+The hostname the client uses to mount the server should match the server's
+.I mon_name
+in SM_NOTIFY requests it sends
+.PP
+Unmounting an NFS file system does not necessarily stop
+either the NFS client or server from monitoring each other.
+Both may continue monitoring each other for a time in case subsequent
+NFS traffic between the two results in fresh mounts and additional
+file locking.
+.PP
+On Linux, if the
+.B lockd
+kernel module is unloaded during normal operation,
+all remote NFS peers are unmonitored.
+This can happen on an NFS client, for example,
+if an automounter removes all NFS mount
+points due to inactivity.
+.SS High-availability callouts
+.B rpc.statd
+can exec a special callout program during processing of
+successful SM_MON, SM_UNMON, and SM_UNMON_ALL requests,
+or when it receives SM_NOTIFY.
+Such a program may be used in High Availability NFS (HA-NFS)
+environments to track lock state that may need to be migrated after
+a system reboot.
+.PP
+The name of the callout program is specified with the
+.B -H
+option.
+The program is run with 3 arguments:
+The first is either
+.B add-client
+.B del-client
+or
+.B sm-notify
+depending on the reason for the callout.
+The second is the
+.I mon_name
+of the monitored peer.
+The third is the
+.I caller_name 
+of the requesting lock manager for
+.B add-client
+or
+.B del-client
+, otherwise it is
+.I IP_address 
+of the caller sending SM_NOTIFY.
+The forth is the
+.I state_value
+in the SM_NOTIFY request.
+
+.SS IPv6 and TI-RPC support
+TI-RPC is a pre-requisite for supporting NFS on IPv6.
+If TI-RPC support is built into
+.BR rpc.statd ,
+it attempts to start listeners on network transports marked 'visible' in
+.IR /etc/netconfig .
+As long as at least one network transport listener starts successfully,
+.B rpc.statd
+will operate.
+.SH ENVIRONMENT
+.TP
+.B RPC_STATD_NO_NOTIFY=
+If set to a positive integer, has the same effect as
+.IR \-\-no\-notify .
+.SH FILES
+.TP 2.5i
+.I /var/lib/nfs/sm
+directory containing monitor list
+.TP 2.5i
+.I /var/lib/nfs/sm.bak
+directory containing notify list
+.TP 2.5i
+.I /var/lib/nfs/state
+NSM state number for this host
+.TP 2.5i
+.I /run/run.statd.pid
+pid file
+.TP 2.5i
+.I /etc/netconfig
+network transport capability database
+.SH SEE ALSO
+.BR sm-notify (8),
+.BR nfs (5),
+.BR rpc.nfsd (8),
+.BR rpcbind (8),
+.BR tcpd (8),
+.BR hosts_access (5),
+.BR iptables (8),
+.BR netconfig (5)
+.sp
+RFC 1094 - "NFS: Network File System Protocol Specification"
+.br
+RFC 1813 - "NFS Version 3 Protocol Specification"
+.br
+OpenGroup Protocols for Interworking: XNFS, Version 3W - Chapter 11
+.SH AUTHORS
+Jeff Uphoff <juphoff@users.sourceforge.net>
+.br
+Olaf Kirch <okir@monad.swb.de>
+.br
+H.J. Lu <hjl@gnu.org>
+.br
+Lon Hohberger <hohberger@missioncriticallinux.com>
+.br
+Paul Clements <paul.clements@steeleye.com>
+.br
+Chuck Lever <chuck.lever@oracle.com>
diff --git a/utils/statd/svc_run.c b/utils/statd/svc_run.c
new file mode 100644
index 0000000..e343c76
--- /dev/null
+++ b/utils/statd/svc_run.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 1984 Sun Microsystems, Inc.
+ * Modified by Jeffrey A. Uphoff, 1995, 1997-1999.
+ * Modified by Olaf Kirch, 1996.
+ *
+ * NSM for Linux.
+ */
+
+/* 
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of Sun Microsystems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* 
+ * This has been modified for my own evil purposes to prevent deadlocks
+ * when two hosts start NSM's simultaneously and try to notify each
+ * other (which mainly occurs during testing), or to stop and smell the
+ * roses when I have callbacks due.
+ * --Jeff Uphoff.
+ */
+
+/* 
+ * This is the RPC server side idle loop.
+ * Wait for input, call server program.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <time.h>
+#include <inttypes.h>
+#include "statd.h"
+#include "notlist.h"
+
+void my_svc_exit(void);
+static int	svc_stop = 0;
+
+/*
+ * This is the global notify list onto which all SM_NOTIFY and CALLBACK
+ * requests are put.
+ */
+notify_list *	notify = NULL;
+
+/*
+ * Jump-off function.
+ */
+void
+my_svc_exit(void)
+{
+	svc_stop = 1;
+}
+
+
+/*
+ * The heart of the server.  A crib from libc for the most part...
+ */
+void
+my_svc_run(int sockfd)
+{
+	FD_SET_TYPE	readfds;
+	int             selret;
+	time_t		now;
+
+	svc_stop = 0;
+
+	for (;;) {
+		if (svc_stop)
+			return;
+
+		/* Ah, there are some notifications to be processed */
+		while (notify && NL_WHEN(notify) <= time(&now)) {
+			process_notify_list();
+		}
+
+		readfds = SVC_FDSET;
+		/* Set notify sockfd for waiting for reply */
+		FD_SET(sockfd, &readfds);
+		if (notify) {
+			struct timeval	tv;
+
+			tv.tv_sec  = NL_WHEN(notify) - now;
+			tv.tv_usec = 0;
+			xlog(D_GENERAL, "Waiting for reply... (timeo %jd)",
+							(intmax_t)tv.tv_sec);
+			selret = select(FD_SETSIZE, &readfds,
+				(void *) 0, (void *) 0, &tv);
+		} else {
+			xlog(D_GENERAL, "Waiting for client connections");
+			selret = select(FD_SETSIZE, &readfds,
+				(void *) 0, (void *) 0, (struct timeval *) 0);
+		}
+
+		switch (selret) {
+		case -1:
+			if (errno == EINTR || errno == ECONNREFUSED
+			 || errno == ENETUNREACH || errno == EHOSTUNREACH)
+				continue;
+			xlog(L_ERROR, "my_svc_run() - select: %m");
+			return;
+
+		case 0:
+			/* A notify/callback timed out. */
+			continue;
+
+		default:
+			selret -= process_reply(&readfds);
+			if (selret) {
+				FD_CLR(sockfd, &readfds);
+				svc_getreqset(&readfds);
+			}
+		}
+	}
+}
diff --git a/utils/statd/system.h b/utils/statd/system.h
new file mode 100644
index 0000000..a1739c4
--- /dev/null
+++ b/utils/statd/system.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 1996 Olaf Kirch
+ * Modified by Jeffrey A. Uphoff, 1997, 1999.
+ *
+ * NSM for Linux.
+ */
+
+/*
+ * System-dependent declarations
+ */
+
+#ifdef FD_SETSIZE
+# define FD_SET_TYPE	fd_set
+# define SVC_FDSET	svc_fdset
+#else
+# define FD_SET_TYPE	int
+# define SVC_FDSET	svc_fds
+#endif