Adding upstream version 1:4.8.1.upstream/1%4.8.1upstream

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

1 files changed, 749 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..e4c6aae
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,749 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_PREREQ([2.64])
+AC_INIT([shadow], [4.8.1], [pkg-shadow-devel@lists.alioth.debian.org], [],
+	[https://github.com/shadow-maint/shadow])
+AM_INIT_AUTOMAKE([1.11 foreign dist-xz])
+AM_SILENT_RULES([yes])
+AC_CONFIG_HEADERS([config.h])
+
+dnl Some hacks...
+test "$prefix" = "NONE" && prefix="/usr"
+test "$prefix" = "/usr" && exec_prefix=""
+
+AC_GNU_SOURCE
+
+AM_DISABLE_SHARED
+AM_ENABLE_STATIC
+
+AM_MAINTAINER_MODE
+
+dnl Checks for programs.
+AC_PROG_CC
+AC_ISC_POSIX
+AC_PROG_LN_S
+AC_PROG_YACC
+AM_PROG_LIBTOOL
+
+dnl Checks for libraries.
+
+dnl Checks for header files.
+AC_HEADER_DIRENT
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
+AC_HEADER_STDBOOL
+
+AC_CHECK_HEADERS(errno.h fcntl.h limits.h unistd.h sys/time.h utmp.h \
+	utmpx.h termios.h termio.h sgtty.h sys/ioctl.h syslog.h paths.h \
+	utime.h ulimit.h sys/capability.h sys/resource.h gshadow.h lastlog.h \
+	locale.h rpc/key_prot.h netdb.h acl/libacl.h attr/libattr.h \
+	attr/error_context.h)
+
+dnl shadow now uses the libc's shadow implementation
+AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])])
+
+AC_CHECK_FUNCS(l64a fchmod fchown fsync futimes getgroups gethostname getspnam \
+	gettimeofday getusershell getutent initgroups lchown lckpwdf lstat \
+	lutimes memcpy memset setgroups sigaction strchr updwtmp updwtmpx innetgr \
+	getpwnam_r getpwuid_r getgrnam_r getgrgid_r getspnam_r getaddrinfo \
+	ruserok)
+AC_SYS_LARGEFILE
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_TYPE_UID_T
+AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_MODE_T
+AC_HEADER_STAT
+AC_CHECK_MEMBERS([struct stat.st_rdev])
+AC_CHECK_MEMBERS([struct stat.st_atim])
+AC_CHECK_MEMBERS([struct stat.st_atimensec])
+AC_CHECK_MEMBERS([struct stat.st_mtim])
+AC_CHECK_MEMBERS([struct stat.st_mtimensec])
+AC_HEADER_TIME
+AC_STRUCT_TM
+
+AC_CHECK_MEMBERS([struct utmp.ut_type,
+                  struct utmp.ut_id,
+                  struct utmp.ut_name,
+                  struct utmp.ut_user,
+                  struct utmp.ut_host,
+                  struct utmp.ut_syslen,
+                  struct utmp.ut_addr,
+                  struct utmp.ut_addr_v6,
+                  struct utmp.ut_time,
+                  struct utmp.ut_xtime,
+                  struct utmp.ut_tv],,,[[#include <utmp.h>]])
+
+AC_CHECK_MEMBERS([struct utmpx.ut_name,
+                  struct utmpx.ut_host,
+                  struct utmpx.ut_syslen,
+                  struct utmpx.ut_addr,
+                  struct utmpx.ut_addr_v6,
+                  struct utmpx.ut_time,
+                  struct utmpx.ut_xtime],,,[[#include <utmpx.h>]])
+
+if test "$ac_cv_header_lastlog_h" = "yes"; then
+	AC_CACHE_CHECK(for ll_host in struct lastlog,
+		ac_cv_struct_lastlog_ll_host,
+		AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <lastlog.h>],
+					[struct lastlog ll; char *cp = ll.ll_host;]
+				)],
+			[ac_cv_struct_lastlog_ll_host=yes],
+			[ac_cv_struct_lastlog_ll_host=no]
+		)
+	)
+
+	if test "$ac_cv_struct_lastlog_ll_host" = "yes"; then
+		AC_DEFINE(HAVE_LL_HOST, 1,
+			[Define if struct lastlog has ll_host])
+	fi
+fi
+
+dnl Checks for library functions.
+AC_TYPE_GETGROUPS
+AC_TYPE_SIGNAL
+AC_FUNC_UTIME_NULL
+AC_FUNC_STRFTIME
+AC_REPLACE_FUNCS(mkdir putgrent putpwent putspent rename rmdir)
+AC_REPLACE_FUNCS(sgetgrent sgetpwent sgetspent)
+AC_REPLACE_FUNCS(snprintf strcasecmp strdup strerror strstr)
+
+AC_CHECK_FUNC(setpgrp)
+AC_CHECK_FUNC(secure_getenv, [AC_DEFINE(HAS_SECURE_GETENV,
+                                        1,
+                                        [Defined to 1 if you have the declaration of 'secure_getenv'])])
+
+if test "$ac_cv_header_shadow_h" = "yes"; then
+	AC_CACHE_CHECK(for working shadow group support,
+		ac_cv_libc_shadowgrp,
+		AC_RUN_IFELSE([AC_LANG_SOURCE([
+				#include <shadow.h>
+				main()
+				{
+					struct sgrp *sg = sgetsgent("test:x::");
+					/* NYS libc on Red Hat 3.0.3 has broken shadow group support */
+					return !sg || !sg->sg_adm || !sg->sg_mem;
+				}]
+			)],
+			[ac_cv_libc_shadowgrp=yes],
+			[ac_cv_libc_shadowgrp=no],
+			[ac_cv_libc_shadowgrp=no]
+		)
+	)
+
+	if test "$ac_cv_libc_shadowgrp" = "yes"; then
+		AC_DEFINE(HAVE_SHADOWGRP, 1, [Have working shadow group support in libc])
+	fi
+fi
+
+AC_CACHE_CHECK([location of shared mail directory], shadow_cv_maildir,
+[for shadow_cv_maildir in /var/mail /var/spool/mail /usr/spool/mail /usr/mail none; do
+	if test -d $shadow_cv_maildir; then
+		break
+	fi
+done])
+if test $shadow_cv_maildir != none; then
+	AC_DEFINE_UNQUOTED(MAIL_SPOOL_DIR, "$shadow_cv_maildir",
+		[Location of system mail spool directory.])
+fi
+
+AC_CACHE_CHECK([location of user mail file], shadow_cv_mailfile,
+[for shadow_cv_mailfile in Mailbox mailbox Mail mail .mail none; do
+	if test -f $HOME/$shadow_cv_mailfile; then
+		break
+	fi
+done])
+if test $shadow_cv_mailfile != none; then
+	AC_DEFINE_UNQUOTED(MAIL_SPOOL_FILE, "$shadow_cv_mailfile",
+		[Name of user's mail spool file if stored in user's home directory.])
+fi
+
+AC_CACHE_CHECK([location of utmp], shadow_cv_utmpdir,
+[for shadow_cv_utmpdir in /var/run /var/adm /usr/adm /etc none; do
+	if test -f $shadow_cv_utmpdir/utmp; then
+		break
+	fi
+done])
+if test "$shadow_cv_utmpdir" = "none"; then
+	AC_MSG_WARN(utmp file not found)
+fi
+AC_DEFINE_UNQUOTED(_UTMP_FILE, "$shadow_cv_utmpdir/utmp",
+	[Path for utmp file.])
+
+AC_CACHE_CHECK([location of faillog/lastlog/wtmp], shadow_cv_logdir,
+[for shadow_cv_logdir in /var/log /var/adm /usr/adm /etc; do
+	if test -d $shadow_cv_logdir; then
+		break
+	fi
+done])
+AC_DEFINE_UNQUOTED(_WTMP_FILE, "$shadow_cv_logdir/wtmp",
+	[Path for wtmp file.])
+AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$shadow_cv_logdir/lastlog",
+	[Path for lastlog file.])
+AC_DEFINE_UNQUOTED(FAILLOG_FILE, "$shadow_cv_logdir/faillog",
+	[Path for faillog file.])
+
+AC_CACHE_CHECK([location of the passwd program], shadow_cv_passwd_dir,
+[if test -f /usr/bin/passwd; then
+	shadow_cv_passwd_dir=/usr/bin
+else
+	shadow_cv_passwd_dir=/bin
+fi])
+AC_DEFINE_UNQUOTED(PASSWD_PROGRAM, "$shadow_cv_passwd_dir/passwd",
+	[Path to passwd program.])
+
+dnl XXX - quick hack, should disappear before anyone notices :).
+AC_DEFINE(USE_SYSLOG, 1, [Define to use syslog().])
+if test "$ac_cv_func_ruserok" = "yes"; then
+	AC_DEFINE(RLOGIN, 1, [Define if login should support the -r flag for rlogind.])
+	AC_DEFINE(RUSEROK, 0, [Define to the ruserok() "success" return value (0 or 1).])
+fi
+
+AC_ARG_ENABLE(shadowgrp,
+	[AC_HELP_STRING([--enable-shadowgrp], [enable shadow group support @<:@default=yes@:>@])],
+	[case "${enableval}" in
+	 yes) enable_shadowgrp="yes" ;;
+	  no) enable_shadowgrp="no" ;;
+	   *) AC_MSG_ERROR(bad value ${enableval} for --enable-shadowgrp) ;;
+	 esac],
+	[enable_shadowgrp="yes"]
+)
+
+AC_ARG_ENABLE(man,
+	[AC_HELP_STRING([--enable-man],
+		[regenerate roff man pages from Docbook @<:@default=no@:>@])],
+	[enable_man="${enableval}"],
+	[enable_man="no"]
+)
+
+AC_ARG_ENABLE(account-tools-setuid,
+	[AC_HELP_STRING([--enable-account-tools-setuid],
+		[Install the user and group management tools setuid and authenticate the callers. This requires --with-pam.])],
+	[case "${enableval}" in
+	 yes) enable_acct_tools_setuid="yes" ;;
+	  no) enable_acct_tools_setuid="no" ;;
+	   *) AC_MSG_ERROR(bad value ${enableval} for --enable-account-tools-setuid)
+	   ;;
+	 esac],
+	[enable_acct_tools_setuid="no"]
+)
+
+AC_ARG_ENABLE(utmpx,
+	[AC_HELP_STRING([--enable-utmpx],
+	                [enable loggin in utmpx / wtmpx @<:@default=no@:>@])],
+	[case "${enableval}" in
+	 yes) enable_utmpx="yes" ;;
+	  no) enable_utmpx="no" ;;
+	   *) AC_MSG_ERROR(bad value ${enableval} for --enable-utmpx) ;;
+	 esac],
+	[enable_utmpx="no"]
+)
+
+AC_ARG_ENABLE(subordinate-ids,
+	[AC_HELP_STRING([--enable-subordinate-ids],
+		[support subordinate ids @<:@default=yes@:>@])],
+	[enable_subids="${enableval}"],
+	[enable_subids="maybe"]
+)
+
+AC_ARG_WITH(audit,
+	[AC_HELP_STRING([--with-audit], [use auditing support @<:@default=yes if found@:>@])],
+	[with_audit=$withval], [with_audit=maybe])
+AC_ARG_WITH(libpam,
+	[AC_HELP_STRING([--with-libpam], [use libpam for PAM support @<:@default=yes if found@:>@])],
+	[with_libpam=$withval], [with_libpam=maybe])
+AC_ARG_WITH(btrfs,
+	[AC_HELP_STRING([--with-btrfs], [add BtrFS support @<:@default=yes if found@:>@])],
+	[with_btrfs=$withval], [with_btrfs=maybe])
+AC_ARG_WITH(selinux,
+	[AC_HELP_STRING([--with-selinux], [use SELinux support @<:@default=yes if found@:>@])],
+	[with_selinux=$withval], [with_selinux=maybe])
+AC_ARG_WITH(acl,
+	[AC_HELP_STRING([--with-acl], [use ACL support @<:@default=yes if found@:>@])],
+	[with_acl=$withval], [with_acl=maybe])
+AC_ARG_WITH(attr,
+	[AC_HELP_STRING([--with-attr], [use Extended Attribute support @<:@default=yes if found@:>@])],
+	[with_attr=$withval], [with_attr=maybe])
+AC_ARG_WITH(skey,
+	[AC_HELP_STRING([--with-skey], [use S/Key support @<:@default=no@:>@])],
+	[with_skey=$withval], [with_skey=no])
+AC_ARG_WITH(tcb,
+	[AC_HELP_STRING([--with-tcb], [use tcb support (incomplete) @<:@default=yes if found@:>@])],
+	[with_tcb=$withval], [with_tcb=maybe])
+AC_ARG_WITH(libcrack,
+	[AC_HELP_STRING([--with-libcrack], [use libcrack @<:@default=no@:>@])],
+	[with_libcrack=$withval], [with_libcrack=no])
+AC_ARG_WITH(sha-crypt,
+	[AC_HELP_STRING([--with-sha-crypt], [allow the SHA256 and SHA512 password encryption algorithms @<:@default=yes@:>@])],
+	[with_sha_crypt=$withval], [with_sha_crypt=yes])
+AC_ARG_WITH(bcrypt,
+	[AC_HELP_STRING([--with-bcrypt], [allow the bcrypt password encryption algorithm @<:@default=no@:>@])],
+	[with_bcrypt=$withval], [with_bcrypt=no])
+AC_ARG_WITH(nscd,
+	[AC_HELP_STRING([--with-nscd], [enable support for nscd @<:@default=yes@:>@])],
+	[with_nscd=$withval], [with_nscd=yes])
+AC_ARG_WITH(sssd,
+	[AC_HELP_STRING([--with-sssd], [enable support for flushing sssd caches @<:@default=yes@:>@])],
+	[with_sssd=$withval], [with_sssd=yes])
+AC_ARG_WITH(group-name-max-length,
+	[AC_HELP_STRING([--with-group-name-max-length], [set max group name length @<:@default=16@:>@])],
+	[with_group_name_max_length=$withval], [with_group_name_max_length=yes])
+AC_ARG_WITH(su,
+	[AC_HELP_STRING([--with-su], [build and install su program and man page @<:@default=yes@:>@])],
+	[with_su=$withval], [with_su=yes])
+
+if test "$with_group_name_max_length" = "no" ; then
+	with_group_name_max_length=0
+elif test "$with_group_name_max_length" = "yes" ; then
+	with_group_name_max_length=16
+fi
+AC_DEFINE_UNQUOTED(GROUP_NAME_MAX_LENGTH, $with_group_name_max_length, [max group name length])
+AC_SUBST(GROUP_NAME_MAX_LENGTH)
+GROUP_NAME_MAX_LENGTH="$with_group_name_max_length"
+
+AM_CONDITIONAL(USE_SHA_CRYPT, test "x$with_sha_crypt" = "xyes")
+if test "$with_sha_crypt" = "yes"; then
+	AC_DEFINE(USE_SHA_CRYPT, 1, [Define to allow the SHA256 and SHA512 password encryption algorithms])
+fi
+
+AM_CONDITIONAL(USE_BCRYPT, test "x$with_bcrypt" = "xyes")
+if test "$with_bcrypt" = "yes"; then
+	AC_DEFINE(USE_BCRYPT, 1, [Define to allow the bcrypt password encryption algorithm])
+fi
+
+if test "$with_nscd" = "yes"; then
+	AC_CHECK_FUNC(posix_spawn,
+	              [AC_DEFINE(USE_NSCD, 1, [Define to support flushing of nscd caches])],
+	              [AC_MSG_ERROR([posix_spawn is needed for nscd support])])
+fi
+
+if test "$with_sssd" = "yes"; then
+	AC_CHECK_FUNC(posix_spawn,
+	              [AC_DEFINE(USE_SSSD, 1, [Define to support flushing of sssd caches])],
+	              [AC_MSG_ERROR([posix_spawn is needed for sssd support])])
+fi
+
+AS_IF([test "$with_su" != "no"], AC_DEFINE(WITH_SU, 1, [Build with su])])
+AM_CONDITIONAL([WITH_SU], [test "x$with_su" != "xno"])
+
+dnl Check for some functions in libc first, only if not found check for
+dnl other libraries.  This should prevent linking libnsl if not really
+dnl needed (Linux glibc, Irix), but still link it if needed (Solaris).
+
+AC_SEARCH_LIBS(inet_ntoa, inet)
+AC_SEARCH_LIBS(socket, socket)
+AC_SEARCH_LIBS(gethostbyname, nsl)
+
+AC_CHECK_LIB([econf],[econf_readDirs],[LIBECONF="-leconf"],[LIBECONF=""])
+if test -n "$LIBECONF"; then
+	ECONF_CPPFLAGS="-DUSE_ECONF=1"
+	AC_ARG_ENABLE([vendordir],
+		AS_HELP_STRING([--enable-vendordir=DIR], [Directory for distribution provided configuration files]),,[])
+fi
+AC_SUBST(ECONF_CPPFLAGS)
+AC_SUBST(LIBECONF)
+AC_SUBST([VENDORDIR], [$enable_vendordir])
+AM_CONDITIONAL([HAVE_VENDORDIR], [test "x$enable_vendordir" != x])
+
+if test "$enable_shadowgrp" = "yes"; then
+	AC_DEFINE(SHADOWGRP, 1, [Define to support the shadow group file.])
+fi
+AM_CONDITIONAL(SHADOWGRP, test "x$enable_shadowgrp" = "xyes")
+
+if test "$enable_man" = "yes"; then
+	dnl
+	dnl Check for xsltproc
+	dnl
+	AC_PATH_PROG([XSLTPROC], [xsltproc])
+	if test -z "$XSLTPROC"; then
+		enable_man=no
+		AC_MSG_ERROR([xsltproc is missing.])
+	fi
+
+	dnl check for DocBook DTD and stylesheets in the local catalog.
+	JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.5//EN],
+		[DocBook XML DTD V4.5], [], enable_man=no)
+	JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
+		[DocBook XSL Stylesheets >= 1.70.1], [], enable_man=no)
+fi
+AM_CONDITIONAL(ENABLE_REGENERATE_MAN, test "x$enable_man" != "xno")
+
+if test "$enable_subids" != "no"; then
+	dnl
+	dnl FIXME: check if 32 bit UIDs/GIDs are supported by libc
+	dnl
+	AC_CHECK_SIZEOF([uid_t],, [#include "sys/types.h"])
+	AC_CHECK_SIZEOF([gid_t],, [#include "sys/types.h"])
+
+	if test "$ac_cv_sizeof_uid_t" -ge 4 && test "$ac_cv_sizeof_gid_t" -ge 4; then
+		AC_DEFINE(ENABLE_SUBIDS, 1, [Define to support the subordinate IDs.])
+		enable_subids="yes"
+	else
+		if test "x$enable_subids" = "xyes"; then
+			AC_MSG_ERROR([Cannot enable support the subordinate IDs on systems where gid_t or uid_t has less than 32 bits])
+		fi
+		enable_subids="no"
+	fi
+fi
+AM_CONDITIONAL(ENABLE_SUBIDS, test "x$enable_subids" != "xno")
+
+AC_SUBST(LIBCRYPT)
+AC_CHECK_LIB(crypt, crypt, [LIBCRYPT=-lcrypt],
+	[AC_MSG_ERROR([crypt() not found])])
+
+AC_SUBST(LIBACL)
+if test "$with_acl" != "no"; then
+	AC_CHECK_HEADERS(acl/libacl.h attr/error_context.h, [acl_header="yes"], [acl_header="no"])
+	if test "$acl_header$with_acl" = "noyes" ; then
+		AC_MSG_ERROR([acl/libacl.h or attr/error_context.h is missing])
+	elif test "$acl_header" = "yes" ; then
+		AC_CHECK_LIB(acl, perm_copy_file,
+		             [AC_CHECK_LIB(acl, perm_copy_fd,
+		                           [acl_lib="yes"],
+		                           [acl_lib="no"])],
+		             [acl_lib="no"])
+		if test "$acl_lib$with_acl" = "noyes" ; then
+			AC_MSG_ERROR([libacl not found])
+		elif test "$acl_lib" = "no" ; then
+			with_acl="no"
+		else
+			AC_DEFINE(WITH_ACL, 1,
+			          [Build shadow with ACL support])
+			LIBACL="-lacl"
+			with_acl="yes"
+		fi
+	else
+		with_acl="no"
+	fi
+fi
+
+AC_SUBST(LIBATTR)
+if test "$with_attr" != "no"; then
+	AC_CHECK_HEADERS(attr/libattr.h attr/error_context.h, [attr_header="yes"], [attr_header="no"])
+	if test "$attr_header$with_attr" = "noyes" ; then
+		AC_MSG_ERROR([attr/libattr.h or attr/error_context.h is missing])
+	elif test "$attr_header" = "yes" ; then
+		AC_CHECK_LIB(attr, attr_copy_file,
+		             [AC_CHECK_LIB(attr, attr_copy_fd,
+		                           [attr_lib="yes"],
+		                           [attr_lib="no"])],
+		             [attr_lib="no"])
+		if test "$attr_lib$with_attr" = "noyes" ; then
+			AC_MSG_ERROR([libattr not found])
+		elif test "$attr_lib" = "no" ; then
+			with_attr="no"
+		else
+			AC_DEFINE(WITH_ATTR, 1,
+			          [Build shadow with Extended Attributes support])
+			LIBATTR="-lattr"
+			with_attr="yes"
+		fi
+	else
+		with_attr="no"
+	fi
+fi
+
+AC_SUBST(LIBAUDIT)
+if test "$with_audit" != "no"; then
+	AC_CHECK_HEADER(libaudit.h, [audit_header="yes"], [audit_header="no"])
+	if test "$audit_header$with_audit" = "noyes" ; then
+		AC_MSG_ERROR([libaudit.h is missing])
+	elif test "$audit_header" = "yes"; then
+		AC_CHECK_DECL(AUDIT_ADD_USER,,[audit_header="no"],[#include <libaudit.h>])
+		AC_CHECK_DECL(AUDIT_DEL_USER,,[audit_header="no"],[#include <libaudit.h>])
+		AC_CHECK_DECL(AUDIT_ADD_GROUP,,[audit_header="no"],[#include <libaudit.h>])
+		AC_CHECK_DECL(AUDIT_DEL_GROUP,,[audit_header="no"],[#include <libaudit.h>])
+		if test "$audit_header$with_audit" = "noyes" ; then
+			AC_MSG_ERROR([AUDIT_ADD_USER AUDIT_DEL_USER AUDIT_ADD_GROUP or AUDIT_DEL_GROUP missing from libaudit.h])
+		fi
+	fi
+	if test "$audit_header" = "yes"; then
+		AC_CHECK_LIB(audit, audit_log_acct_message,
+		             [audit_lib="yes"], [audit_lib="no"])
+		if test "$audit_lib$with_audit" = "noyes" ; then
+			AC_MSG_ERROR([libaudit not found])
+		elif test "$audit_lib" = "no" ; then
+			with_audit="no"
+		else
+			AC_DEFINE(WITH_AUDIT, 1,
+			          [Define if you want to enable Audit messages])
+			LIBAUDIT="-laudit"
+			with_audit="yes"
+		fi
+	else
+		with_audit="no"
+	fi
+fi
+
+AC_SUBST(LIBCRACK)
+if test "$with_libcrack" = "yes"; then
+	echo "checking cracklib flavour, don't be surprised by the results"
+	AC_CHECK_LIB(crack, FascistCheck,
+		[LIBCRACK=-lcrack AC_DEFINE(HAVE_LIBCRACK, 1, [Defined if you have libcrack.])])
+	AC_CHECK_LIB(crack, FascistHistory,
+		AC_DEFINE(HAVE_LIBCRACK_HIST, 1, [Defined if you have the ts&szs cracklib.]))
+	AC_CHECK_LIB(crack, FascistHistoryPw,
+		AC_DEFINE(HAVE_LIBCRACK_PW, 1, [Defined if it includes *Pw functions.]))
+fi
+
+if test "$with_btrfs" != "no"; then
+	AC_CHECK_HEADERS([sys/statfs.h linux/magic.h linux/btrfs_tree.h], \
+		[btrfs_headers="yes"], [btrfs_headers="no"])
+	if test "$btrfs_headers$with_btrfs" = "noyes" ; then
+		AC_MSG_ERROR([One of sys/statfs.h linux/magic.h linux/btrfs_tree.h is missing])
+	fi
+
+	if test "$btrfs_headers" = "yes" ; then
+		AC_DEFINE(WITH_BTRFS, 1, [Build shadow with BtrFS support])
+		with_btrfs="yes"
+	fi
+fi
+AM_CONDITIONAL(WITH_BTRFS, test x$with_btrfs = xyes)
+
+AC_SUBST(LIBSELINUX)
+AC_SUBST(LIBSEMANAGE)
+if test "$with_selinux" != "no"; then
+	AC_CHECK_HEADERS(selinux/selinux.h, [selinux_header="yes"], [selinux_header="no"])
+	if test "$selinux_header$with_selinux" = "noyes" ; then
+		AC_MSG_ERROR([selinux/selinux.h is missing])
+	fi
+
+	AC_CHECK_HEADERS(semanage/semanage.h, [semanage_header="yes"], [semanage_header="no"])
+	if test "$semanage_header$with_selinux" = "noyes" ; then
+		AC_MSG_ERROR([semanage/semanage.h is missing])
+	fi
+
+	if test "$selinux_header$semanage_header" = "yesyes" ; then
+		AC_CHECK_LIB(selinux, is_selinux_enabled, [selinux_lib="yes"], [selinux_lib="no"])
+		if test "$selinux_lib$with_selinux" = "noyes" ; then
+			AC_MSG_ERROR([libselinux not found])
+		fi
+
+		AC_CHECK_LIB(semanage, semanage_connect, [semanage_lib="yes"], [semanage_lib="no"])
+		if test "$semanage_lib$with_selinux" = "noyes" ; then
+			AC_MSG_ERROR([libsemanage not found])
+		fi
+
+		if test "$selinux_lib$semanage_lib" = "yesyes" ; then
+			AC_DEFINE(WITH_SELINUX, 1,
+			          [Build shadow with SELinux support])
+			LIBSELINUX="-lselinux"
+			LIBSEMANAGE="-lsemanage"
+			with_selinux="yes"
+		else
+			with_selinux="no"
+		fi
+	else
+		with_selinux="no"
+	fi
+fi
+
+AC_SUBST(LIBTCB)
+if test "$with_tcb" != "no"; then
+	AC_CHECK_HEADERS(tcb.h, [tcb_header="yes"], [tcb_header="no"])
+	if test "$tcb_header$with_tcb" = "noyes" ; then
+		AC_MSG_ERROR([tcb.h is missing])
+	elif test "$tcb_header" = "yes" ; then
+		AC_CHECK_LIB(tcb, tcb_is_suspect, [tcb_lib="yes"], [tcb_lib="no"])
+		if test "$tcb_lib$with_tcb" = "noyes" ; then
+			AC_MSG_ERROR([libtcb not found])
+		elif test "$tcb_lib" = "no" ; then
+			with_tcb="no"
+		else
+			AC_DEFINE(WITH_TCB, 1, [Build shadow with tcb support (incomplete)])
+			LIBTCB="-ltcb"
+			with_tcb="yes"
+		fi
+	else
+		with_tcb="no"
+	fi
+fi
+AM_CONDITIONAL(WITH_TCB, test x$with_tcb = xyes)
+
+AC_SUBST(LIBPAM)
+if test "$with_libpam" != "no"; then
+	AC_CHECK_LIB(pam, pam_start,
+	             [pam_lib="yes"], [pam_lib="no"])
+	if test "$pam_lib$with_libpam" = "noyes" ; then
+		AC_MSG_ERROR(libpam not found)
+	fi
+
+	LIBPAM="-lpam"
+	pam_conv_function="no"
+
+	AC_CHECK_LIB(pam, openpam_ttyconv,
+	             [pam_conv_function="openpam_ttyconv"],
+	             AC_CHECK_LIB(pam_misc, misc_conv,
+	                          [pam_conv_function="misc_conv"; LIBPAM="$LIBPAM -lpam_misc"])
+	            )
+
+	if test "$pam_conv_function$with_libpam" = "noyes" ; then
+		AC_MSG_ERROR(PAM conversation function not found)
+	fi
+
+	pam_headers_found=no
+	AC_CHECK_HEADERS( [security/openpam.h security/pam_misc.h],
+	                 [ pam_headers_found=yes ; break ], [],
+	                 [ #include <security/pam_appl.h> ] )
+	if test "$pam_headers_found$with_libpam" = "noyes" ; then
+	                AC_MSG_ERROR(PAM headers not found)
+	fi
+
+
+	if test "$pam_lib$pam_headers_found" = "yesyes" -a "$pam_conv_function" != "no" ; then
+		with_libpam="yes"
+	else
+		with_libpam="no"
+		unset LIBPAM
+	fi
+fi
+dnl Now with_libpam is either yes or no
+if test "$with_libpam" = "yes"; then
+	AC_CHECK_DECLS([PAM_ESTABLISH_CRED,
+	                PAM_DELETE_CRED,
+	                PAM_NEW_AUTHTOK_REQD,
+	                PAM_DATA_SILENT],
+	               [], [], [#include <security/pam_appl.h>])
+
+
+	save_libs=$LIBS
+	LIBS="$LIBS $LIBPAM"
+	# We do not use AC_CHECK_FUNCS to avoid duplicated definition with
+	# Linux PAM.
+	AC_CHECK_FUNC(pam_fail_delay, [AC_DEFINE(HAS_PAM_FAIL_DELAY, 1, [Define to 1 if you have the declaration of 'pam_fail_delay'])])
+	LIBS=$save_libs
+
+	AC_DEFINE(USE_PAM, 1, [Define to support Pluggable Authentication Modules])
+	AC_DEFINE_UNQUOTED(SHADOW_PAM_CONVERSATION, [$pam_conv_function],[PAM conversation to use])
+	AM_CONDITIONAL(USE_PAM, [true])
+
+	AC_MSG_CHECKING(use login and su access checking if PAM not used)
+	AC_MSG_RESULT(no)
+else
+	AC_DEFINE(SU_ACCESS, 1, [Define to support /etc/suauth su access control.])
+	AM_CONDITIONAL(USE_PAM, [false])
+	AC_MSG_CHECKING(use login and su access checking if PAM not used)
+	AC_MSG_RESULT(yes)
+fi
+
+if test "$enable_acct_tools_setuid" != "no"; then
+	if test "$with_libpam" != "yes"; then
+		if test "$enable_acct_tools_setuid" = "yes"; then
+			AC_MSG_ERROR(PAM support is required for --enable-account-tools-setuid)
+		else
+			enable_acct_tools_setuid="no"
+		fi
+	else
+		enable_acct_tools_setuid="yes"
+	fi
+	if test "$enable_acct_tools_setuid" = "yes"; then
+		AC_DEFINE(ACCT_TOOLS_SETUID,
+		          1,
+		          [Define if account management tools should be installed setuid and authenticate the callers])
+	fi
+fi
+AM_CONDITIONAL(ACCT_TOOLS_SETUID, test "x$enable_acct_tools_setuid" = "xyes")
+
+
+AC_ARG_WITH(fcaps,
+	[AC_HELP_STRING([--with-fcaps], [use file capabilities instead of suid binaries for newuidmap/newgidmap @<:@default=no@:>@])],
+	[with_fcaps=$withval], [with_fcaps=no])
+AM_CONDITIONAL(FCAPS, test "x$with_fcaps" = "xyes")
+
+if test "x$with_fcaps" = "xyes"; then
+	AC_CHECK_PROGS(capcmd, "setcap")
+	if test "x$capcmd" = "x" ; then
+		AC_MSG_ERROR([setcap command not available])
+	fi
+fi
+
+AC_SUBST(LIBSKEY)
+AC_SUBST(LIBMD)
+if test "$with_skey" = "yes"; then
+	AC_CHECK_LIB(md, MD5Init, [LIBMD=-lmd])
+	AC_CHECK_LIB(skey, skeychallenge, [LIBSKEY=-lskey],
+		[AC_MSG_ERROR([liskey missing. You can download S/Key source code from http://rsync1.it.gentoo.org/gentoo/distfiles/skey-1.1.5.tar.bz2])])
+	AC_DEFINE(SKEY, 1, [Define to support S/Key logins.])
+	AC_TRY_COMPILE([
+		#include <stdio.h>
+		#include <skey.h>
+	],[
+		skeychallenge((void*)0, (void*)0, (void*)0, 0);
+	],[AC_DEFINE(SKEY_BSD_STYLE, 1, [Define to support newer BSD S/Key API])])
+fi
+
+if test "$enable_utmpx" = "yes"; then
+	if test "$ac_cv_header_utmpx_h" != "yes"; then
+		AC_MSG_ERROR([The utmpx.h header file is required for utmpx support.])
+	fi
+	AC_DEFINE(USE_UTMPX,
+	          1,
+	          [Define if utmpx should be used])
+fi
+
+AC_DEFINE_UNQUOTED(SHELL, ["$SHELL"], [The default shell.])
+
+AM_GNU_GETTEXT_VERSION(0.16)
+AM_GNU_GETTEXT([external], [need-ngettext])
+AM_CONDITIONAL(USE_NLS, test "x$USE_NLS" = "xyes")
+
+AC_CONFIG_FILES([
+	Makefile
+	po/Makefile.in
+	doc/Makefile
+	man/Makefile
+	man/config.xml
+	man/po/Makefile
+	man/cs/Makefile
+	man/da/Makefile
+	man/de/Makefile
+	man/es/Makefile
+	man/fi/Makefile
+	man/fr/Makefile
+	man/hu/Makefile
+	man/id/Makefile
+	man/it/Makefile
+	man/ja/Makefile
+	man/ko/Makefile
+	man/pl/Makefile
+	man/pt_BR/Makefile
+	man/ru/Makefile
+	man/sv/Makefile
+	man/tr/Makefile
+	man/zh_CN/Makefile
+	man/zh_TW/Makefile
+	libmisc/Makefile
+	lib/Makefile
+	src/Makefile
+	contrib/Makefile
+	etc/Makefile
+	etc/pam.d/Makefile
+	shadow.spec
+])
+AC_OUTPUT
+
+echo
+echo "shadow will be compiled with the following features:"
+echo
+echo "	auditing support:		$with_audit"
+echo "	CrackLib support:		$with_libcrack"
+echo "	PAM support:			$with_libpam"
+if test "$with_libpam" = "yes"; then
+echo "	suid account management tools:	$enable_acct_tools_setuid"
+fi
+echo "	SELinux support:		$with_selinux"
+echo "	BtrFS support:			$with_btrfs"
+echo "	ACL support:			$with_acl"
+echo "	Extended Attributes support:	$with_attr"
+echo "	tcb support (incomplete):	$with_tcb"
+echo "	shadow group support:		$enable_shadowgrp"
+echo "	S/Key support:			$with_skey"
+echo "	SHA passwords encryption:	$with_sha_crypt"
+echo "	bcrypt passwords encryption:	$with_bcrypt"
+echo "	nscd support:			$with_nscd"
+echo "	sssd support:			$with_sssd"
+echo "	subordinate IDs support:	$enable_subids"
+echo "	use file caps:			$with_fcaps"
+echo "	install su:			$with_su"
+echo