Merging upstream version 1.9.3.

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

1 files changed, 7235 insertions, 4879 deletions

diff --git a/configure b/configure
index d7dfd55..bcab271 100755
--- a/configure
+++ b/configure
@@ -1,9 +1,10 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for dnsdist 1.8.3.
+# Generated by GNU Autoconf 2.71 for dnsdist 1.9.3.
 #
 #
-# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -14,14 +15,16 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+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
+else $as_nop
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -31,46 +34,46 @@ 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
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+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 test "${PATH_SEPARATOR+set}" != set; then
+if ${PATH_SEPARATOR+false} :; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -79,13 +82,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -94,8 +90,12 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  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
 
@@ -107,30 +107,10 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 # Use a proper internal environment variable to ensure we don't fall
   # into an infinite loop, continuously re-executing ourselves.
@@ -152,20 +132,22 @@ 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'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-as_fn_exit 255
+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="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; 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
+else \$as_nop
   case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
@@ -185,12 +167,15 @@ 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 :
+if ( set x; as_fn_ret_success y && test x = \"\$1\" )
+then :
 
-else
+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
@@ -205,30 +190,38 @@ test -x / || exit 1"
     test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\
       || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1
 test \$(( 1 + 1 )) = 2 || exit 1"
-  if (eval "$as_required") 2>/dev/null; then :
+  if (eval "$as_required") 2>/dev/null
+then :
   as_have_required=yes
-else
+else $as_nop
   as_have_required=no
 fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
+then :
 
-else
+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=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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/$as_base
+	     as_shell=$as_dir$as_base
 	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
   CONFIG_SHELL=$as_shell as_have_required=yes
-		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
+then :
   break 2
 fi
 fi
@@ -236,14 +229,21 @@ fi
        esac
   as_found=false
 done
-$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
-  CONFIG_SHELL=$SHELL as_have_required=yes
-fi; }
 IFS=$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$CONFIG_SHELL" != x; then :
+      if test "x$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
@@ -261,18 +261,19 @@ 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'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
 
-    if test x$as_have_required = xno; then :
-  $as_echo "$0: This script requires a shell more modern than all"
-  $as_echo "$0: the shells that I found on your system."
-  if test x${ZSH_VERSION+set} = xset ; then
-    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+    if test x$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
-    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system,
 $0: including any error possibly output before this
 $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
@@ -299,6 +300,7 @@ as_fn_unset ()
 }
 as_unset=as_fn_unset
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -316,6 +318,14 @@ as_fn_exit ()
   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
 # -------------
@@ -330,7 +340,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -339,7 +349,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
+printf "%s\n" X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -378,12 +388,13 @@ as_fn_executable_p ()
 # 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 :
+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
+else $as_nop
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -395,18 +406,27 @@ fi # as_fn_append
 # 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 $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else
+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]
 # ----------------------------------------
@@ -418,9 +438,9 @@ 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
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $2" >&2
+  printf "%s\n" "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -447,7 +467,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+printf "%s\n" X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -491,7 +511,7 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { printf "%s\n" "$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 $CONFIG_SHELL, we're ensured to have
   # already done that, so ensure we don't try to do so again and fall
@@ -505,6 +525,10 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   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*)
@@ -518,6 +542,13 @@ case `echo -n x` in #(((((
   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
@@ -587,48 +618,44 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='dnsdist'
 PACKAGE_TARNAME='dnsdist'
-PACKAGE_VERSION='1.8.3'
-PACKAGE_STRING='dnsdist 1.8.3'
+PACKAGE_VERSION='1.9.3'
+PACKAGE_STRING='dnsdist 1.9.3'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
 # Factoring default headers for most tests.
 ac_includes_default="\
-#include <stdio.h>
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
+#include <stddef.h>
+#ifdef HAVE_STDIO_H
+# include <stdio.h>
 #endif
-#ifdef STDC_HEADERS
+#ifdef HAVE_STDLIB_H
 # include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-#  include <stdlib.h>
-# endif
 #endif
 #ifdef HAVE_STRING_H
-# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
-#  include <memory.h>
-# endif
 # include <string.h>
 #endif
-#ifdef HAVE_STRINGS_H
-# include <strings.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_func_list=
+ac_header_c_list=
+ac_func_cxx_list=
 ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
@@ -644,9 +671,9 @@ pkgpyexecdir
 pyexecdir
 pkgpythondir
 pythondir
-PYTHON_PLATFORM
 PYTHON_EXEC_PREFIX
 PYTHON_PREFIX
+PYTHON_PLATFORM
 PYTHON_VERSION
 PYTHON
 WARN_CFLAGS
@@ -661,16 +688,16 @@ LMDB_LIBS
 LMDB_CFLAGS
 CDB_LIBS
 CDB_CFLAGS
-HAVE_NGHTTP2_FALSE
-HAVE_NGHTTP2_TRUE
-NGHTTP2_LIBS
-NGHTTP2_CFLAGS
-HAVE_LIBH2OEVLOOP_FALSE
-HAVE_LIBH2OEVLOOP_TRUE
 LIBH2OEVLOOP_LIBS
 LIBH2OEVLOOP_CFLAGS
+NGHTTP2_LIBS
+NGHTTP2_CFLAGS
 GNUTLS_LIBS
 GNUTLS_CFLAGS
+HAVE_DNS_OVER_HTTP3_FALSE
+HAVE_DNS_OVER_HTTP3_TRUE
+HAVE_DNS_OVER_QUIC_FALSE
+HAVE_DNS_OVER_QUIC_TRUE
 HAVE_DNS_OVER_HTTPS_FALSE
 HAVE_DNS_OVER_HTTPS_TRUE
 HAVE_DNS_OVER_TLS_FALSE
@@ -684,20 +711,25 @@ HAVE_LIBCRYPTO_TRUE
 LIBCRYPTO_LDFLAGS
 LIBCRYPTO_LIBS
 LIBCRYPTO_INCLUDES
-HAVE_CDB_FALSE
-HAVE_CDB_TRUE
+HAVE_NGHTTP2_FALSE
+HAVE_NGHTTP2_TRUE
 HAVE_LMDB_FALSE
 HAVE_LMDB_TRUE
 HAVE_LIBSSL_FALSE
 HAVE_LIBSSL_TRUE
+HAVE_LIBH2OEVLOOP_FALSE
+HAVE_LIBH2OEVLOOP_TRUE
 HAVE_GNUTLS_FALSE
 HAVE_GNUTLS_TRUE
+HAVE_CDB_FALSE
+HAVE_CDB_TRUE
 HAVE_LUA_HPP_FALSE
 HAVE_LUA_HPP_TRUE
 LUA_FALSE
 LUA_TRUE
 LUA_LIBS
 LUA_CFLAGS
+ARC4RANDOM_LIBS
 IPCRYPT_LIBS
 IPCRYPT_CFLAGS
 YAHTTP_LIBS
@@ -773,6 +805,12 @@ LIBCAP_CFLAGS
 HAVE_NET_SNMP_FALSE
 HAVE_NET_SNMP_TRUE
 NET_SNMP_LIBS
+HAVE_XSK_FALSE
+HAVE_XSK_TRUE
+BPF_LIBS
+BPF_CFLAGS
+XDP_LIBS
+XDP_CFLAGS
 HAVE_EBPF_FALSE
 HAVE_EBPF_TRUE
 DNSCRYPT_FALSE
@@ -781,6 +819,8 @@ HAVE_RE2_FALSE
 HAVE_RE2_TRUE
 RE2_LIBS
 RE2_CFLAGS
+FUZZ_TARGETS_FALSE
+FUZZ_TARGETS_TRUE
 BOOST_UNIT_TEST_FRAMEWORK_LIBS
 BOOST_LDPATH
 BOOST_UNIT_TEST_FRAMEWORK_LDPATH
@@ -812,6 +852,10 @@ FSTRM_FALSE
 FSTRM_TRUE
 FSTRM_LIBS
 FSTRM_CFLAGS
+HAVE_QUICHE_FALSE
+HAVE_QUICHE_TRUE
+QUICHE_LIBS
+QUICHE_CFLAGS
 LIBSODIUM_FALSE
 LIBSODIUM_TRUE
 LIBSODIUM_LIBS
@@ -820,7 +864,6 @@ PKG_CONFIG_LIBDIR
 PKG_CONFIG_PATH
 PKG_CONFIG
 CXXCPP
-CPP
 LT_SYS_LIBRARY_PATH
 OTOOL64
 OTOOL
@@ -833,6 +876,7 @@ ac_ct_AR
 AR
 DLLTOOL
 OBJDUMP
+FILECMD
 LN_S
 NM
 ac_ct_DUMPBIN
@@ -877,6 +921,9 @@ AM_BACKSLASH
 AM_DEFAULT_VERBOSITY
 AM_DEFAULT_V
 AM_V
+CSCOPE
+ETAGS
+CTAGS
 am__untar
 am__tar
 AMTAR
@@ -954,14 +1001,17 @@ with_gnu_ld
 with_sysroot
 enable_libtool_lock
 with_libsodium
+with_quiche
 enable_dnstap
 with_libedit
 with_boost
 enable_unit_tests
 enable_static_boost
+enable_fuzz_targets
 with_re2
 enable_dnscrypt
 with_ebpf
+with_xsk
 with_net_snmp
 with_libcap
 enable_systemd
@@ -973,9 +1023,12 @@ with_libcrypto
 enable_tls_providers
 enable_dns_over_tls
 enable_dns_over_https
+enable_dns_over_quic
+enable_dns_over_http3
 with_libssl
 with_gnutls
 with_nghttp2
+with_h2o
 with_cdb
 with_lmdb
 enable_ipcipher
@@ -988,6 +1041,10 @@ enable_tsan
 enable_lsan
 enable_ubsan
 enable_lto
+enable_coverage
+with_python_sys_prefix
+with_python_prefix
+with_python_exec_prefix
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1001,13 +1058,14 @@ CXX
 CXXFLAGS
 CCC
 LT_SYS_LIBRARY_PATH
-CPP
 CXXCPP
 PKG_CONFIG
 PKG_CONFIG_PATH
 PKG_CONFIG_LIBDIR
 LIBSODIUM_CFLAGS
 LIBSODIUM_LIBS
+QUICHE_CFLAGS
+QUICHE_LIBS
 FSTRM_CFLAGS
 FSTRM_LIBS
 LIBEDIT_CFLAGS
@@ -1015,6 +1073,10 @@ LIBEDIT_LIBS
 BOOST_ROOT
 RE2_CFLAGS
 RE2_LIBS
+XDP_CFLAGS
+XDP_LIBS
+BPF_CFLAGS
+BPF_LIBS
 LIBCAP_CFLAGS
 LIBCAP_LIBS
 SYSTEMD_CFLAGS
@@ -1025,10 +1087,10 @@ LIBSSL_CFLAGS
 LIBSSL_LIBS
 GNUTLS_CFLAGS
 GNUTLS_LIBS
-LIBH2OEVLOOP_CFLAGS
-LIBH2OEVLOOP_LIBS
 NGHTTP2_CFLAGS
 NGHTTP2_LIBS
+LIBH2OEVLOOP_CFLAGS
+LIBH2OEVLOOP_LIBS
 CDB_CFLAGS
 CDB_LIBS
 LMDB_CFLAGS
@@ -1103,8 +1165,6 @@ do
   *)    ac_optarg=yes ;;
   esac
 
-  # Accept the important Cygnus configure options, so we can diagnose typos.
-
   case $ac_dashdash$ac_option in
   --)
     ac_dashdash=yes ;;
@@ -1145,9 +1205,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1171,9 +1231,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1384,9 +1444,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # 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"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1400,9 +1460,9 @@ do
     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"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1446,9 +1506,9 @@ Try \`$0 --help' for more information"
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
     : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
@@ -1464,7 +1524,7 @@ if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
     fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
 
@@ -1528,7 +1588,7 @@ $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_myself" : 'X\(//\)[^/]' \| \
 	 X"$as_myself" : 'X\(//\)$' \| \
 	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_myself" |
+printf "%s\n" X"$as_myself" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1585,7 +1645,7 @@ if test "$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 dnsdist 1.8.3 to adapt to many kinds of systems.
+\`configure' configures dnsdist 1.9.3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1656,7 +1716,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of dnsdist 1.8.3:";;
+     short | recursive ) echo "Configuration of dnsdist 1.9.3:";;
    esac
   cat <<\_ACEOF
 
@@ -1679,6 +1739,7 @@ Optional Features:
   --enable-unit-tests     enable unit test building [default=no]
   --enable-static-boost   Prefer the static boost libraries over the shared
                           ones [no]
+  --enable-fuzz-targets   enable fuzz targets [default=no]
   --enable-dnscrypt       enable DNSCrypt support (requires libsodium)
                           [default=no]
   --enable-systemd        Enable systemd support (default is DISABLED, but
@@ -1688,7 +1749,11 @@ Optional Features:
   --enable-dns-over-tls   enable DNS over TLS support (requires GnuTLS or
                           OpenSSL) [default=no]
   --enable-dns-over-https enable incoming DNS over HTTPS (DoH) support
-                          (requires libh2o) [default=no]
+                          (requires libh2o or nghttp2) [default=no]
+  --enable-dns-over-quic  enable incoming DNS over QUIC (DoQ) support
+                          (requires quiche) [default=no]
+  --enable-dns-over-http3 enable incoming DNS over HTTP3 (DoH3) support
+                          (requires quiche) [default=no]
   --enable-ipcipher       enable ipcipher support (requires libcrypto)
                           [default=auto]
   --disable-hardening     disable compiler security checks [default=no]
@@ -1702,6 +1767,7 @@ Optional Features:
   --enable-ubsan          enable Undefined Behaviour Sanitizer [default=no]
   --enable-lto            enable Link-Time Optimizations (LTO) support
                           [default=no]
+  --enable-coverage       enable code coverage [default=no]
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -1715,11 +1781,13 @@ Optional Packages:
   --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
                           compiler's sysroot if not specified).
   --with-libsodium        use libsodium [default=auto]
+  --with-quiche           use quiche [default=auto]
   --with-libedit          enable libedit support [default=yes]
   --with-boost=DIR        prefix of Boost 1.42 [guess]
   --with-re2              with libre2 [default=no]
   --with-ebpf             enable eBPF support [default=auto]
-  --with-net-snmp         enable net snmp support [default=auto]
+  --with-xsk              enable AF_XDP (XDK) support [default=auto]
+  --with-net-snmp         enable net snmp support [default=no]
   --with-libcap           use libcap [default=auto]
   --with-systemd          set directory for systemd service files
   --with-systemd-modules-load          set directory for systemd modules load files
@@ -1737,8 +1805,14 @@ Optional Packages:
   --with-libssl           use OpenSSL libssl [default=auto]
   --with-gnutls           use GnuTLS [default=auto]
   --with-nghttp2          use nghttp2 [default=auto]
+  --with-h2o              use libh2o-evloop [default=no]
   --with-cdb              use CDB [default=auto]
   --with-lmdb             lmdb library to use [default=auto]
+  --with-python-sys-prefix
+                          use Python's sys.prefix and sys.exec_prefix values
+  --with-python_prefix    override the default PYTHON_PREFIX
+  --with-python_exec_prefix
+                          override the default PYTHON_EXEC_PREFIX
 
 Some influential environment variables:
   CC          C compiler command
@@ -1752,7 +1826,6 @@ Some influential environment variables:
   CXXFLAGS    C++ compiler flags
   LT_SYS_LIBRARY_PATH
               User-defined run-time library search path.
-  CPP         C preprocessor
   CXXCPP      C++ preprocessor
   PKG_CONFIG  path to pkg-config utility
   PKG_CONFIG_PATH
@@ -1763,6 +1836,9 @@ Some influential environment variables:
               C compiler flags for LIBSODIUM, overriding pkg-config
   LIBSODIUM_LIBS
               linker flags for LIBSODIUM, overriding pkg-config
+  QUICHE_CFLAGS
+              C compiler flags for QUICHE, overriding pkg-config
+  QUICHE_LIBS linker flags for QUICHE, overriding pkg-config
   FSTRM_CFLAGS
               C compiler flags for FSTRM, overriding pkg-config
   FSTRM_LIBS  linker flags for FSTRM, overriding pkg-config
@@ -1773,6 +1849,10 @@ Some influential environment variables:
   BOOST_ROOT  Location of Boost installation
   RE2_CFLAGS  C compiler flags for RE2, overriding pkg-config
   RE2_LIBS    linker flags for RE2, overriding pkg-config
+  XDP_CFLAGS  C compiler flags for XDP, overriding pkg-config
+  XDP_LIBS    linker flags for XDP, overriding pkg-config
+  BPF_CFLAGS  C compiler flags for BPF, overriding pkg-config
+  BPF_LIBS    linker flags for BPF, overriding pkg-config
   LIBCAP_CFLAGS
               C compiler flags for LIBCAP, overriding pkg-config
   LIBCAP_LIBS linker flags for LIBCAP, overriding pkg-config
@@ -1788,14 +1868,14 @@ Some influential environment variables:
   GNUTLS_CFLAGS
               C compiler flags for GNUTLS, overriding pkg-config
   GNUTLS_LIBS linker flags for GNUTLS, overriding pkg-config
-  LIBH2OEVLOOP_CFLAGS
-              C compiler flags for LIBH2OEVLOOP, overriding pkg-config
-  LIBH2OEVLOOP_LIBS
-              linker flags for LIBH2OEVLOOP, overriding pkg-config
   NGHTTP2_CFLAGS
               C compiler flags for NGHTTP2, overriding pkg-config
   NGHTTP2_LIBS
               linker flags for NGHTTP2, overriding pkg-config
+  LIBH2OEVLOOP_CFLAGS
+              C compiler flags for LIBH2OEVLOOP, overriding pkg-config
+  LIBH2OEVLOOP_LIBS
+              linker flags for LIBH2OEVLOOP, overriding pkg-config
   CDB_CFLAGS  C compiler flags for CDB, overriding pkg-config
   CDB_LIBS    linker flags for CDB, overriding pkg-config
   LMDB_CFLAGS C compiler flags for LMDB, overriding pkg-config
@@ -1823,9 +1903,9 @@ if test "$ac_init_help" = "recursive"; then
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf "%s\n" "$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/ ;;
@@ -1853,7 +1933,8 @@ esac
 ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
     cd "$ac_dir" || { ac_status=$?; continue; }
-    # Check for guested configure.
+    # 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
@@ -1861,7 +1942,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1870,10 +1951,10 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-dnsdist configure 1.8.3
-generated by GNU Autoconf 2.69
+dnsdist configure 1.9.3
+generated by GNU Autoconf 2.71
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+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
@@ -1890,14 +1971,14 @@ fi
 ac_fn_c_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
+  rm -f conftest.$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1905,14 +1986,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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.$ac_objext; then :
+       } && test -s conftest.$ac_objext
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1928,14 +2010,14 @@ fi
 ac_fn_cxx_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
+  rm -f conftest.$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1943,14 +2025,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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.$ac_objext; then :
+       } && test -s conftest.$ac_objext
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1966,14 +2049,14 @@ fi
 ac_fn_c_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
+  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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1981,17 +2064,18 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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 :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -2013,120 +2097,44 @@ fi
 ac_fn_c_check_header_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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 :
+if ac_fn_c_try_compile "$LINENO"
+then :
   eval "$3=yes"
-else
+else $as_nop
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$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_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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$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
-  $as_echo "$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
-  $as_echo "$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 $ac_retval
-
-} # ac_fn_c_try_cpp
-
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-       $as_echo "$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 $ac_retval
-
-} # ac_fn_c_try_run
-
 # ac_fn_c_check_func LINENO FUNC VAR
 # ----------------------------------
 # Tests whether FUNC exists, setting the cache variable VAR accordingly
 ac_fn_c_check_func ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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.
@@ -2134,16 +2142,9 @@ else
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $2 (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+   which can conflict with char $2 (); below.  */
 
+#include <limits.h>
 #undef $2
 
 /* Override any GCC internal prototype to avoid an error.
@@ -2161,24 +2162,25 @@ choke me
 #endif
 
 int
-main ()
+main (void)
 {
 return $2 ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   eval "$3=yes"
-else
+else $as_nop
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$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
@@ -2195,7 +2197,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -2203,14 +2205,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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 :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
@@ -2226,14 +2229,14 @@ fi
 ac_fn_cxx_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
+  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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -2241,17 +2244,18 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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 :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -2272,11 +2276,12 @@ fi
 ac_fn_cxx_check_func ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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.
@@ -2284,16 +2289,9 @@ else
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $2 (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+   which can conflict with char $2 (); below.  */
 
+#include <limits.h>
 #undef $2
 
 /* Override any GCC internal prototype to avoid an error.
@@ -2311,24 +2309,25 @@ choke me
 #endif
 
 int
-main ()
+main (void)
 {
 return $2 ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   eval "$3=yes"
-else
+else $as_nop
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$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_cxx_check_func
@@ -2340,49 +2339,54 @@ $as_echo "$ac_res" >&6; }
 ac_fn_cxx_check_header_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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 <$2>
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   eval "$3=yes"
-else
+else $as_nop
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$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_cxx_check_header_compile
 
-# ac_fn_cxx_check_decl LINENO SYMBOL VAR INCLUDES
-# -----------------------------------------------
+# ac_fn_check_decl LINENO SYMBOL VAR INCLUDES EXTRA-OPTIONS FLAG-VAR
+# ------------------------------------------------------------------
 # Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
-# accordingly.
-ac_fn_cxx_check_decl ()
+# accordingly. Pass EXTRA-OPTIONS to the compiler, using FLAG-VAR.
+ac_fn_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   as_decl_name=`echo $2|sed 's/ *(.*//'`
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+printf %s "checking whether $as_decl_name is declared... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
-$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  eval ac_save_FLAGS=\$$6
+  as_fn_append $6 " $5"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main ()
+main (void)
 {
 #ifndef $as_decl_name
 #ifdef __cplusplus
@@ -2396,156 +2400,50 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   eval "$3=yes"
-else
+else $as_nop
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_cxx_check_decl
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  eval $6=\$ac_save_FLAGS
 
-# ac_fn_cxx_try_run LINENO
-# ------------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_cxx_try_run ()
-{
-  as_lineno=${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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-       $as_echo "$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 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
-  as_fn_set_status $ac_retval
-
-} # ac_fn_cxx_try_run
 
-# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES
-# ---------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_cxx_check_header_mongrel ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval \${$3+:} false; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
-  ac_header_compiler=yes
-else
-  ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
+} # ac_fn_check_decl
+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
 
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <$2>
-_ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-  ac_header_preproc=yes
-else
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in #((
-  yes:no: )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
+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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  eval "$3=\$ac_header_compiler"
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
-} # ac_fn_cxx_check_header_mongrel
 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 dnsdist $as_me 1.8.3, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+It was created by dnsdist $as_me 1.9.3, which was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
-  $ $0 $@
+  $ $0$ac_configure_args_raw
 
 _ACEOF
 exec 5>>config.log
@@ -2578,8 +2476,12 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    $as_echo "PATH: $as_dir"
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    printf "%s\n" "PATH: $as_dir"
   done
 IFS=$as_save_IFS
 
@@ -2614,7 +2516,7 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
     1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
@@ -2649,11 +2551,13 @@ done
 # 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
 
-    $as_echo "## ---------------- ##
+    printf "%s\n" "## ---------------- ##
 ## Cache variables. ##
 ## ---------------- ##"
     echo
@@ -2664,8 +2568,8 @@ trap 'exit_status=$?
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { printf "%s\n" "$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) ;; #(
@@ -2689,7 +2593,7 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    $as_echo "## ----------------- ##
+    printf "%s\n" "## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##"
     echo
@@ -2697,14 +2601,14 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      $as_echo "$ac_var='\''$ac_val'\''"
+      printf "%s\n" "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
-      $as_echo "## ------------------- ##
+      printf "%s\n" "## ------------------- ##
 ## File substitutions. ##
 ## ------------------- ##"
       echo
@@ -2712,15 +2616,15 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	$as_echo "$ac_var='\''$ac_val'\''"
+	printf "%s\n" "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
 
     if test -s confdefs.h; then
-      $as_echo "## ----------- ##
+      printf "%s\n" "## ----------- ##
 ## confdefs.h. ##
 ## ----------- ##"
       echo
@@ -2728,8 +2632,8 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       echo
     fi
     test "$ac_signal" != 0 &&
-      $as_echo "$as_me: caught signal $ac_signal"
-    $as_echo "$as_me: exit $exit_status"
+      printf "%s\n" "$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 &&
@@ -2743,63 +2647,48 @@ ac_signal=0
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
-$as_echo "/* confdefs.h */" > confdefs.h
+printf "%s\n" "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_NAME "$PACKAGE_NAME"
-_ACEOF
+printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
-_ACEOF
+printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_VERSION "$PACKAGE_VERSION"
-_ACEOF
+printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_STRING "$PACKAGE_STRING"
-_ACEOF
+printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
-_ACEOF
+printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_URL "$PACKAGE_URL"
-_ACEOF
+printf "%s\n" "#define PACKAGE_URL \"$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.
-ac_site_file1=NONE
-ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  # We do not want a PATH search for config.site.
-  case $CONFIG_SITE in #((
-    -*)  ac_site_file1=./$CONFIG_SITE;;
-    */*) ac_site_file1=$CONFIG_SITE;;
-    *)   ac_site_file1=./$CONFIG_SITE;;
-  esac
+  ac_site_files="$CONFIG_SITE"
 elif test "x$prefix" != xNONE; then
-  ac_site_file1=$prefix/share/config.site
-  ac_site_file2=$prefix/etc/config.site
+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
 else
-  ac_site_file1=$ac_default_prefix/share/config.site
-  ac_site_file2=$ac_default_prefix/etc/config.site
+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
 fi
-for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+
+for ac_site_file in $ac_site_files
 do
-  test "x$ac_site_file" = xNONE && continue
-  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+  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" \
-      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+      || { { 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
@@ -2809,22 +2698,657 @@ 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
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-$as_echo "$as_me: loading cache $cache_file" >&6;}
+    { printf "%s\n" "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-$as_echo "$as_me: creating cache $cache_file" >&6;}
+  { printf "%s\n" "$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_func_list " localtime_r"
-as_fn_append ac_func_list " gmtime_r"
-as_fn_append ac_func_list " getrandom"
+# 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;
+}
+"
+
+# 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;
+  ${ac_cxx_conftest_cxx98_main}
+  return ok;
+}
+"
+
+as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"
+as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"
+as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"
+as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"
+as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"
+as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
+as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
+as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
+as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
+as_fn_append ac_func_cxx_list " localtime_r HAVE_LOCALTIME_R"
+as_fn_append ac_func_cxx_list " gmtime_r HAVE_GMTIME_R"
+as_fn_append ac_func_cxx_list " getrandom HAVE_GETRANDOM"
+as_fn_append ac_func_cxx_list " getentropy HAVE_GETENTROPY"
+as_fn_append ac_func_cxx_list " arc4random HAVE_ARC4RANDOM"
+as_fn_append ac_func_cxx_list " arc4random_uniform HAVE_ARC4RANDOM_UNIFORM"
+as_fn_append ac_func_cxx_list " arc4random_buf HAVE_ARC4RANDOM_BUF"
+
+# Auxiliary files required by this configure script.
+ac_aux_files="config.guess config.sub ltmain.sh compile missing install-sh"
+
+# Locations in which to look for auxiliary files.
+ac_aux_dir_candidates="${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
@@ -2835,12 +3359,12 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { 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)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { 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=: ;;
     ,);;
     *)
@@ -2849,24 +3373,24 @@ $as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
 	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
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  { 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
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  { 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
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+	{ 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=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) 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
@@ -2876,11 +3400,12 @@ $as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+  { 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. ##
@@ -2895,36 +3420,9 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 am__api_version='1.16'
 
-ac_aux_dir=
-for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  if test -f "$ac_dir/install-sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install-sh -c"
-    break
-  elif test -f "$ac_dir/install.sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install.sh -c"
-    break
-  elif test -f "$ac_dir/shtool"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/shtool install -c"
-    break
-  fi
-done
-if test -z "$ac_aux_dir"; then
-  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
-fi
-
-# These three variables are undocumented and unsupported,
-# and are intended to be withdrawn in a future Autoconf release.
-# They can cause serious problems if a builder's source tree is in a directory
-# whose full name contains unusual characters.
-ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
-ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
-ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 
-# Find a good install program.  We prefer a C program (faster),
+  # 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
@@ -2938,20 +3436,25 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 # 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.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
-$as_echo_n "checking for a BSD-compatible install... " >&6; }
+{ printf "%s\n" "$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 ${ac_cv_path_install+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
-  test -z "$as_dir" && as_dir=.
-    # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in #((
-  ./ | .// | /[cC]/* | \
+  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/* ) ;;
@@ -2961,13 +3464,13 @@ case $as_dir/ in #((
     # 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 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
+	    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
+	    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
@@ -2975,12 +3478,12 @@ case $as_dir/ in #((
 	    echo one > conftest.one
 	    echo two > conftest.two
 	    mkdir conftest.dir
-	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	    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"
+	      ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c"
 	      break 3
 	    fi
 	  fi
@@ -2996,7 +3499,7 @@ IFS=$as_save_IFS
 rm -rf conftest.one conftest.two conftest.dir
 
 fi
-  if test "${ac_cv_path_install+set}" = set; then
+  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
@@ -3006,8 +3509,8 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
-$as_echo "$INSTALL" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+printf "%s\n" "$INSTALL" >&6; }
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
 # It thinks the first close brace ends the variable substitution.
@@ -3017,8 +3520,8 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
-$as_echo_n "checking whether build environment is sane... " >&6; }
+{ printf "%s\n" "$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='
@@ -3072,8 +3575,8 @@ else
    as_fn_error $? "newly created file is older than distributed files!
 Check your system clock" "$LINENO" 5
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+{ printf "%s\n" "$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=
@@ -3092,26 +3595,23 @@ test "$program_suffix" != NONE &&
 # Double any \ or $.
 # By default was `s,x,x', remove it if useless.
 ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
-program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
+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
-  case $am_aux_dir in
-  *\ * | *\	*)
-    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
-  *)
-    MISSING="\${SHELL} $am_aux_dir/missing" ;;
-  esac
+
+  if test x"${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=
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
-$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
+  { 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"${install_sh+set}" != xset; then
@@ -3131,11 +3631,12 @@ if test "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_STRIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$STRIP" # Let the user override the test.
 else
@@ -3143,11 +3644,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3158,11 +3663,11 @@ fi
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
-$as_echo "$STRIP" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+printf "%s\n" "$STRIP" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -3171,11 +3676,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_STRIP" # Let the user override the test.
 else
@@ -3183,11 +3689,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_STRIP="strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3198,11 +3708,11 @@ fi
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
-$as_echo "$ac_ct_STRIP" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+printf "%s\n" "$ac_ct_STRIP" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_STRIP" = x; then
@@ -3210,8 +3720,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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
@@ -3223,25 +3733,31 @@ fi
 fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
-$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
+
+  { printf "%s\n" "$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 ${ac_cv_path_mkdir+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  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=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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$ac_exec_ext" --version 2>&1` in #(
-	     'mkdir (GNU coreutils) '* | \
-	     'mkdir (coreutils) '* | \
+	   as_fn_executable_p "$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
+	       ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext
 	       break 3;;
 	   esac
 	 done
@@ -3252,7 +3768,7 @@ IFS=$as_save_IFS
 fi
 
   test -d ./--version && rmdir ./--version
-  if test "${ac_cv_path_mkdir+set}" = set; then
+  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
@@ -3262,18 +3778,19 @@ fi
     MKDIR_P="$ac_install_sh -d"
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
-$as_echo "$MKDIR_P" >&6; }
+{ printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AWK+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$AWK" # Let the user override the test.
 else
@@ -3281,11 +3798,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_AWK="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3296,24 +3817,25 @@ fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
-$as_echo "$AWK" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+printf "%s\n" "$AWK" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
   test -n "$AWK" && break
 done
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
-$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+printf %s "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
-ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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 $as_nop
   cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
 all:
@@ -3329,12 +3851,12 @@ esac
 rm -f conftest.make
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
   SET_MAKE=
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
@@ -3348,7 +3870,8 @@ fi
 rmdir .tst 2>/dev/null
 
 # Check whether --enable-silent-rules was given.
-if test "${enable_silent_rules+set}" = set; then :
+if test ${enable_silent_rules+y}
+then :
   enableval=$enable_silent_rules;
 fi
 
@@ -3358,12 +3881,13 @@ case $enable_silent_rules in # (((
     *) AM_DEFAULT_VERBOSITY=1;;
 esac
 am_make=${MAKE-make}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
-$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
-if ${am_cv_make_support_nested_variables+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if $as_echo 'TRUE=$(BAR$(V))
+{ printf "%s\n" "$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
@@ -3375,8 +3899,8 @@ else
   am_cv_make_support_nested_variables=no
 fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
-$as_echo "$am_cv_make_support_nested_variables" >&6; }
+{ printf "%s\n" "$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)'
@@ -3408,17 +3932,13 @@ fi
 
 # Define the identity of the package.
  PACKAGE='dnsdist'
- VERSION='1.8.3'
+ VERSION='1.9.3'
 
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE "$PACKAGE"
-_ACEOF
+printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
 
 
-cat >>confdefs.h <<_ACEOF
-#define VERSION "$VERSION"
-_ACEOF
+printf "%s\n" "#define VERSION \"$VERSION\"" >>confdefs.h
 
 # Some tools Automake needs.
 
@@ -3464,29 +3984,29 @@ _am_tools='gnutar plaintar pax cpio none'
       # (that is, avoid stderr redirection).
       am_uid=`id -u || echo unknown`
       am_gid=`id -g || echo unknown`
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether UID '$am_uid' is supported by ustar format" >&5
-$as_echo_n "checking whether UID '$am_uid' is supported by ustar format... " >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether UID '$am_uid' is supported by ustar format" >&5
+printf %s "checking whether UID '$am_uid' is supported by ustar format... " >&6; }
       if test $am_uid -le $am_max_uid; then
-         { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
       else
-         { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
          _am_tools=none
       fi
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether GID '$am_gid' is supported by ustar format" >&5
-$as_echo_n "checking whether GID '$am_gid' is supported by ustar format... " >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether GID '$am_gid' is supported by ustar format" >&5
+printf %s "checking whether GID '$am_gid' is supported by ustar format... " >&6; }
       if test $am_gid -le $am_max_gid; then
-         { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
       else
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
         _am_tools=none
       fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to create a ustar tar archive" >&5
-$as_echo_n "checking how to create a ustar tar archive... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to create a ustar tar archive" >&5
+printf %s "checking how to create a ustar tar archive... " >&6; }
 
   # 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.
@@ -3561,19 +4081,34 @@ $as_echo_n "checking how to create a ustar tar archive... " >&6; }
   done
   rm -rf conftest.dir
 
-  if ${am_cv_prog_tar_ustar+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  if test ${am_cv_prog_tar_ustar+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   am_cv_prog_tar_ustar=$_am_tool
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_tar_ustar" >&5
-$as_echo "$am_cv_prog_tar_ustar" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_tar_ustar" >&5
+printf "%s\n" "$am_cv_prog_tar_ustar" >&6; }
 
 
 
 
 
+# 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
@@ -3618,7 +4153,8 @@ END
 fi
 
 # Check whether --enable-silent-rules was given.
-if test "${enable_silent_rules+set}" = set; then :
+if test ${enable_silent_rules+y}
+then :
   enableval=$enable_silent_rules;
 fi
 
@@ -3628,12 +4164,13 @@ case $enable_silent_rules in # (((
     *) AM_DEFAULT_VERBOSITY=0;;
 esac
 am_make=${MAKE-make}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
-$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
-if ${am_cv_make_support_nested_variables+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if $as_echo 'TRUE=$(BAR$(V))
+{ printf "%s\n" "$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
@@ -3645,8 +4182,8 @@ else
   am_cv_make_support_nested_variables=no
 fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
-$as_echo "$am_cv_make_support_nested_variables" >&6; }
+{ printf "%s\n" "$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)'
@@ -3659,6 +4196,15 @@ AM_BACKSLASH='\'
 
 ac_config_headers="$ac_config_headers config.h"
 
+
+
+
+
+
+
+
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3667,11 +4213,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$CC" # Let the user override the test.
 else
@@ -3679,11 +4226,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3694,11 +4245,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -3707,11 +4258,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_CC" # Let the user override the test.
 else
@@ -3719,11 +4271,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3734,11 +4290,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -3746,8 +4302,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_CC
@@ -3760,11 +4316,12 @@ if test -z "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$CC" # Let the user override the test.
 else
@@ -3772,11 +4329,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3787,11 +4348,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -3800,11 +4361,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$CC" # Let the user override the test.
 else
@@ -3813,15 +4375,19 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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$ac_exec_ext" = "/usr/ucb/cc"; then
+  if as_fn_executable_p "$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"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3837,18 +4403,18 @@ if test $ac_prog_rejected = yes; then
     # However, it has the same basename, so the bogon will be chosen
     # first if we set CC to just the basename; use the full file name.
     shift
-    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -3859,11 +4425,12 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$CC" # Let the user override the test.
 else
@@ -3871,11 +4438,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3886,11 +4457,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -3903,11 +4474,12 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_CC" # Let the user override the test.
 else
@@ -3915,11 +4487,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3930,11 +4506,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -3946,8 +4522,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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
@@ -3955,25 +4531,129 @@ esac
 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" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+
+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.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
+for ac_option in --version -v -V -qversion -version; do
   { { ac_try="$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -3983,7 +4663,7 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
@@ -3991,7 +4671,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
@@ -4003,9 +4683,9 @@ 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.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+{ printf "%s\n" "$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.*"
@@ -4026,11 +4706,12 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -4047,7 +4728,7 @@ do
 	# certainly right.
 	break;;
     *.* )
-	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -4063,44 +4744,46 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else
+else $as_nop
   ac_file=''
 fi
-if test -z "$ac_file"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-$as_echo "$as_me: failed program was:" >&5
+if test -z "$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
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { 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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
+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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-$as_echo_n "checking for suffix of executables... " >&6; }
+{ printf "%s\n" "$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  printf "%s\n" "$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
@@ -4114,15 +4797,15 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-$as_echo "$ac_cv_exeext" >&6; }
+{ printf "%s\n" "$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
@@ -4131,7 +4814,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 FILE *f = fopen ("conftest.out", "w");
  return ferror (f) || fclose (f) != 0;
@@ -4143,8 +4826,8 @@ _ACEOF
 ac_clean_files="$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.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
+{ printf "%s\n" "$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 "(($ac_try" in
@@ -4152,10 +4835,10 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
   if { ac_try='./conftest$ac_cv_exeext'
   { { case "(($ac_try" in
@@ -4163,39 +4846,40 @@ $as_echo "$ac_try_echo"; } >&5
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_try") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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
-	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot run C compiled programs.
+	{ { printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
+{ printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-$as_echo_n "checking for suffix of object files... " >&6; }
-if ${ac_cv_objext+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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 ()
+main (void)
 {
 
   ;
@@ -4209,11 +4893,12 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  printf "%s\n" "$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
@@ -4222,31 +4907,32 @@ $as_echo "$ac_try_echo"; } >&5
        break;;
   esac
 done
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-$as_echo "$ac_cv_objext" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+printf "%s\n" "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
-$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if ${ac_cv_c_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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 ()
+main (void)
 {
 #ifndef __GNUC__
        choke me
@@ -4256,29 +4942,33 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_compiler_gnu=yes
-else
+else $as_nop
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+{ printf "%s\n" "$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+set}
+ac_test_CFLAGS=${CFLAGS+y}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -4287,57 +4977,60 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_g=yes
-else
+else $as_nop
   CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
 
-else
+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 ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
-if test "$ac_test_CFLAGS" = set; then
+{ 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
@@ -4352,94 +5045,144 @@ else
     CFLAGS=
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_prog_cc_c89=no
+ac_prog_cc_stdc=no
+if test x$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.$ac_ext
 /* end confdefs.h.  */
-#include <stdarg.h>
-#include <stdio.h>
-struct stat;
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
-   function prototypes and stuff, but not '\xHH' hex character constants.
-   These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std is added to get
-   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
-   array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std.  */
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+$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
 
-/* 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];
+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
 
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-int
-main ()
-{
-return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
-  ;
-  return 0;
-}
+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__"
+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 :
+  if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_c89=$ac_arg
 fi
-rm -f core conftest.err conftest.$ac_objext
+rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
 CC=$ac_save_CC
-
 fi
-# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_c89" in
-  x)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
-  xno)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
-  *)
-    CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
 
+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
@@ -4448,21 +5191,23 @@ 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_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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
-$as_echo_n "checking whether $CC understands -c and -o together... " >&6; }
-if ${am_cv_prog_cc_c_o+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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 ()
+main (void)
 {
 
   ;
@@ -4490,8 +5235,8 @@ _ACEOF
   rm -f core conftest*
   unset am_i
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
-$as_echo "$am_cv_prog_cc_c_o" >&6; }
+{ printf "%s\n" "$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 "$am_cv_prog_cc_c_o" != yes; then
    # Losing compiler, so override with the script.
    # FIXME: It is wrong to rewrite CC.
@@ -4510,8 +5255,8 @@ DEPDIR="${am__leading_dot}deps"
 
 ac_config_commands="$ac_config_commands depfiles"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5
-$as_echo_n "checking whether ${MAKE-make} supports the include directive... " >&6; }
+{ printf "%s\n" "$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
@@ -4547,11 +5292,12 @@ esac
   fi
 done
 rm -f confinc.* confmf.*
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5
-$as_echo "${_am_result}" >&6; }
+{ printf "%s\n" "$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+set}" = set; then :
+if test ${enable_dependency_tracking+y}
+then :
   enableval=$enable_dependency_tracking;
 fi
 
@@ -4572,11 +5318,12 @@ fi
 
 depcc="$CC"   am_compiler_list=
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
-$as_echo_n "checking dependency style of $depcc... " >&6; }
-if ${am_cv_CC_dependencies_compiler_type+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -4683,8 +5430,8 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
-$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+{ printf "%s\n" "$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
@@ -4698,6 +5445,12 @@ else
 fi
 
 
+
+
+
+
+
+
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -4708,15 +5461,16 @@ if test -z "$CXX"; then
     CXX=$CCC
   else
     if test -n "$ac_tool_prefix"; then
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$CXX" # Let the user override the test.
 else
@@ -4724,11 +5478,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4739,11 +5497,11 @@ fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-$as_echo "$CXX" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+printf "%s\n" "$CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4752,15 +5510,16 @@ fi
 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
+  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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_CXX" # Let the user override the test.
 else
@@ -4768,11 +5527,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4783,11 +5546,11 @@ fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-$as_echo "$ac_ct_CXX" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+printf "%s\n" "$ac_ct_CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4799,8 +5562,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_CXX
@@ -4810,7 +5573,7 @@ fi
   fi
 fi
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
 for ac_option in --version -v -V -qversion; do
@@ -4820,7 +5583,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -4830,20 +5593,21 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
-$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if ${ac_cv_cxx_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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 ()
+main (void)
 {
 #ifndef __GNUC__
        choke me
@@ -4853,29 +5617,33 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_compiler_gnu=yes
-else
+else $as_nop
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
-$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
+{ printf "%s\n" "$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+set}
+ac_test_CXXFLAGS=${CXXFLAGS+y}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
-$as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if ${ac_cv_prog_cxx_g+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -4884,57 +5652,60 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_cv_prog_cxx_g=yes
-else
+else $as_nop
   CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
 
-else
+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 ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
    ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
-$as_echo "$ac_cv_prog_cxx_g" >&6; }
-if test "$ac_test_CXXFLAGS" = set; then
+{ 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
@@ -4949,6 +5720,100 @@ 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_11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_11=no
+ac_save_CXX=$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_98+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_98=no
+ac_save_CXX=$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'
@@ -4957,11 +5822,12 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 depcc="$CXX"  am_compiler_list=
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
-$as_echo_n "checking dependency style of $depcc... " >&6; }
-if ${am_cv_CXX_dependencies_compiler_type+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -5068,8 +5934,8 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
-$as_echo "$am_cv_CXX_dependencies_compiler_type" >&6; }
+{ printf "%s\n" "$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
@@ -5091,20 +5957,21 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 
-$as_echo "#define DNSDIST 1" >>confdefs.h
+printf "%s\n" "#define DNSDIST 1" >>confdefs.h
 
 
 
 case `pwd` in
   *\ * | *\	*)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
-$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
+    { 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='2.4.6'
-macro_revision='2.4.6'
+macro_version='2.4.7'
+macro_revision='2.4.7'
+
 
 
 
@@ -5120,26 +5987,29 @@ macro_revision='2.4.6'
 
 ltmain=$ac_aux_dir/ltmain.sh
 
-# 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
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+
+  # Make sure we can run config.sub.
+$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 "$ac_aux_dir/config.guess"`
+  ac_build_alias=`$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
+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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
+{ printf "%s\n" "$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;;
@@ -5158,21 +6028,22 @@ IFS=$ac_save_IFS
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if ${ac_cv_host+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
+  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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
+{ printf "%s\n" "$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;;
@@ -5212,8 +6083,8 @@ ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
 ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
 ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
-$as_echo_n "checking how to print strings... " >&6; }
+{ printf "%s\n" "$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
@@ -5239,12 +6110,12 @@ func_echo_all ()
 }
 
 case $ECHO in
-  printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5
-$as_echo "printf" >&6; } ;;
-  print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
-$as_echo "print -r" >&6; } ;;
-  *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5
-$as_echo "cat" >&6; } ;;
+  printf*) { printf "%s\n" "$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
 
 
@@ -5260,11 +6131,12 @@ esac
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
-$as_echo_n "checking for a sed that does not truncate output... " >&6; }
-if ${ac_cv_path_SED+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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"
@@ -5278,10 +6150,15 @@ else
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in sed gsed; do
+  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"
+      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 $ac_path_SED
@@ -5290,13 +6167,13 @@ case `"$ac_path_SED" --version 2>&1` in
   ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo '' >> "conftest.nl"
+    printf "%s\n" '' >> "conftest.nl"
     "$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
@@ -5324,8 +6201,8 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
-$as_echo "$ac_cv_path_SED" >&6; }
+{ printf "%s\n" "$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
 
@@ -5342,11 +6219,12 @@ Xsed="$SED -e 1s/^X//"
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -5354,10 +6232,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
+  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"
+      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 $ac_path_GREP
@@ -5366,13 +6249,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
     "$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
@@ -5400,16 +6283,17 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -5420,10 +6304,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
+  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"
+      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 $ac_path_EGREP
@@ -5432,13 +6321,13 @@ case `"$ac_path_EGREP" --version 2>&1` in
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
     "$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
@@ -5467,16 +6356,17 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
-$as_echo_n "checking for fgrep... " >&6; }
-if ${ac_cv_path_FGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -5487,10 +6377,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in fgrep; do
+  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"
+      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 $ac_path_FGREP
@@ -5499,13 +6394,13 @@ case `"$ac_path_FGREP" --version 2>&1` in
   ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'FGREP' >> "conftest.nl"
+    printf "%s\n" 'FGREP' >> "conftest.nl"
     "$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
@@ -5534,8 +6429,8 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
-$as_echo "$ac_cv_path_FGREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
+printf "%s\n" "$ac_cv_path_FGREP" >&6; }
  FGREP="$ac_cv_path_FGREP"
 
 
@@ -5560,17 +6455,18 @@ test -z "$GREP" && GREP=grep
 
 
 # Check whether --with-gnu-ld was given.
-if test "${with_gnu_ld+set}" = set; then :
+if test ${with_gnu_ld+y}
+then :
   withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
-else
+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.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
-$as_echo_n "checking for ld used by $CC... " >&6; }
+  { printf "%s\n" "$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
@@ -5599,15 +6495,16 @@ $as_echo_n "checking for ld used by $CC... " >&6; }
     ;;
   esac
 elif test yes = "$with_gnu_ld"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
-$as_echo_n "checking for GNU ld... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+printf %s "checking for GNU ld... " >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
-$as_echo_n "checking for non-GNU ld... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+printf %s "checking for non-GNU ld... " >&6; }
 fi
-if ${lt_cv_path_LD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
@@ -5636,18 +6533,19 @@ fi
 
 LD=$lt_cv_path_LD
 if test -n "$LD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
-$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
-if ${lt_cv_prog_gnu_ld+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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'*)
@@ -5658,8 +6556,8 @@ case `$LD -v 2>&1 </dev/null` in
   ;;
 esac
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
-$as_echo "$lt_cv_prog_gnu_ld" >&6; }
+{ printf "%s\n" "$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
 
 
@@ -5670,11 +6568,12 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
-$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
-if ${lt_cv_path_NM+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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=$NM
@@ -5699,13 +6598,13 @@ else
 	mingw*) lt_bad_file=conftest.nm/nofile ;;
 	*) lt_bad_file=/dev/null ;;
 	esac
-	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
+	case `"$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
+	  case `"$tmp_nm" -p /dev/null 2>&1 | $SED '1q'` in
 	  */dev/null*)
 	    lt_cv_path_NM="$tmp_nm -p"
 	    break 2
@@ -5724,8 +6623,8 @@ else
   : ${lt_cv_path_NM=no}
 fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
-$as_echo "$lt_cv_path_NM" >&6; }
+{ printf "%s\n" "$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
@@ -5738,11 +6637,12 @@ else
   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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DUMPBIN+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$DUMPBIN" # Let the user override the test.
 else
@@ -5750,11 +6650,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5765,11 +6669,11 @@ fi
 fi
 DUMPBIN=$ac_cv_prog_DUMPBIN
 if test -n "$DUMPBIN"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
-$as_echo "$DUMPBIN" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
+printf "%s\n" "$DUMPBIN" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -5782,11 +6686,12 @@ if test -z "$DUMPBIN"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_DUMPBIN" # Let the user override the test.
 else
@@ -5794,11 +6699,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5809,11 +6718,11 @@ fi
 fi
 ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
 if test -n "$ac_ct_DUMPBIN"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
-$as_echo "$ac_ct_DUMPBIN" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
+printf "%s\n" "$ac_ct_DUMPBIN" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -5825,15 +6734,15 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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 `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
+    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | $SED '1q'` in
     *COFF*)
       DUMPBIN="$DUMPBIN -symbols -headers"
       ;;
@@ -5854,11 +6763,12 @@ test -z "$NM" && NM=nm
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
-$as_echo_n "checking the name lister ($NM) interface... " >&6; }
-if ${lt_cv_nm_interface+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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)
@@ -5874,26 +6784,27 @@ else
   fi
   rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
-$as_echo "$lt_cv_nm_interface" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
+printf "%s\n" "$lt_cv_nm_interface" >&6; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
-$as_echo_n "checking whether ln -s works... " >&6; }
+{ printf "%s\n" "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
-$as_echo "no, using $LN_S" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+printf "%s\n" "no, using $LN_S" >&6; }
 fi
 
 # find the maximum length of command line arguments
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
-$as_echo_n "checking the maximum length of command line arguments... " >&6; }
-if ${lt_cv_sys_max_cmd_len+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
 
@@ -5935,7 +6846,7 @@ else
     lt_cv_sys_max_cmd_len=8192;
     ;;
 
-  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
+  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`
@@ -5978,7 +6889,7 @@ else
   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/.*[	 ]//'`
+      lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[	 ]//'`
     else
       lt_cv_sys_max_cmd_len=32768
     fi
@@ -6020,11 +6931,11 @@ else
 fi
 
 if test -n "$lt_cv_sys_max_cmd_len"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
-$as_echo "$lt_cv_sys_max_cmd_len" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
+printf "%s\n" "$lt_cv_sys_max_cmd_len" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
-$as_echo "none" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5
+printf "%s\n" "none" >&6; }
 fi
 max_cmd_len=$lt_cv_sys_max_cmd_len
 
@@ -6068,11 +6979,12 @@ esac
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5
-$as_echo_n "checking how to convert $build file names to $host format... " >&6; }
-if ${lt_cv_to_host_file_cmd+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -6108,18 +7020,19 @@ esac
 fi
 
 to_host_file_cmd=$lt_cv_to_host_file_cmd
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
-$as_echo "$lt_cv_to_host_file_cmd" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
+printf "%s\n" "$lt_cv_to_host_file_cmd" >&6; }
 
 
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5
-$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; }
-if ${lt_cv_to_tool_file_cmd+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -6135,22 +7048,23 @@ esac
 fi
 
 to_tool_file_cmd=$lt_cv_to_tool_file_cmd
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
-$as_echo "$lt_cv_to_tool_file_cmd" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
+printf "%s\n" "$lt_cv_to_tool_file_cmd" >&6; }
 
 
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
-$as_echo_n "checking for $LD option to reload object files... " >&6; }
-if ${lt_cv_ld_reload_flag+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
-$as_echo "$lt_cv_ld_reload_flag" >&6; }
+{ printf "%s\n" "$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
 "" | " "*) ;;
@@ -6181,13 +7095,122 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OBJDUMP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$OBJDUMP" # Let the user override the test.
 else
@@ -6195,11 +7218,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6210,11 +7237,11 @@ fi
 fi
 OBJDUMP=$ac_cv_prog_OBJDUMP
 if test -n "$OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+printf "%s\n" "$OBJDUMP" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -6223,11 +7250,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_OBJDUMP" # Let the user override the test.
 else
@@ -6235,11 +7263,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_OBJDUMP="objdump"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6250,11 +7282,11 @@ fi
 fi
 ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
 if test -n "$ac_ct_OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
-$as_echo "$ac_ct_OBJDUMP" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
+printf "%s\n" "$ac_ct_OBJDUMP" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_OBJDUMP" = x; then
@@ -6262,8 +7294,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_OBJDUMP
@@ -6282,11 +7314,12 @@ test -z "$OBJDUMP" && OBJDUMP=objdump
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
-$as_echo_n "checking how to recognize dependent libraries... " >&6; }
-if ${lt_cv_deplibs_check_method+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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'
@@ -6312,7 +7345,7 @@ beos*)
 
 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='/usr/bin/file -L'
+  lt_cv_file_magic_cmd='$FILECMD -L'
   lt_cv_file_magic_test_file=/shlib/libc.so
   ;;
 
@@ -6346,14 +7379,14 @@ darwin* | rhapsody*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-freebsd* | dragonfly*)
+freebsd* | dragonfly* | midnightbsd*)
   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
     case $host_cpu in
     i*86 )
       # Not sure whether the presence of OpenBSD here was a mistake.
       # Let's accept both of them until this is cleared up.
       lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
-      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_cmd=$FILECMD
       lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
       ;;
     esac
@@ -6367,7 +7400,7 @@ haiku*)
   ;;
 
 hpux10.20* | hpux11*)
-  lt_cv_file_magic_cmd=/usr/bin/file
+  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'
@@ -6414,7 +7447,7 @@ netbsd*)
 
 newos6*)
   lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
-  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_cmd=$FILECMD
   lt_cv_file_magic_test_file=/usr/lib/libnls.so
   ;;
 
@@ -6482,8 +7515,8 @@ os2*)
 esac
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
-$as_echo "$lt_cv_deplibs_check_method" >&6; }
+{ printf "%s\n" "$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
@@ -6527,11 +7560,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DLLTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$DLLTOOL" # Let the user override the test.
 else
@@ -6539,11 +7573,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6554,11 +7592,11 @@ fi
 fi
 DLLTOOL=$ac_cv_prog_DLLTOOL
 if test -n "$DLLTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
-$as_echo "$DLLTOOL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
+printf "%s\n" "$DLLTOOL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -6567,11 +7605,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_DLLTOOL" # Let the user override the test.
 else
@@ -6579,11 +7618,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_DLLTOOL="dlltool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6594,11 +7637,11 @@ fi
 fi
 ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
 if test -n "$ac_ct_DLLTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
-$as_echo "$ac_ct_DLLTOOL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
+printf "%s\n" "$ac_ct_DLLTOOL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_DLLTOOL" = x; then
@@ -6606,8 +7649,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_DLLTOOL
@@ -6627,11 +7670,12 @@ test -z "$DLLTOOL" && DLLTOOL=dlltool
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5
-$as_echo_n "checking how to associate runtime and link libraries... " >&6; }
-if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -6654,8 +7698,8 @@ cygwin* | mingw* | pw32* | cegcc*)
 esac
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
-$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
+{ printf "%s\n" "$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
 
@@ -6671,11 +7715,12 @@ if test -n "$ac_tool_prefix"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$AR" # Let the user override the test.
 else
@@ -6683,11 +7728,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_AR="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6698,11 +7747,11 @@ fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
-$as_echo "$AR" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+printf "%s\n" "$AR" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -6715,11 +7764,12 @@ if test -z "$AR"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AR+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_AR" # Let the user override the test.
 else
@@ -6727,11 +7777,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_AR="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6742,11 +7796,11 @@ fi
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
-$as_echo "$ac_ct_AR" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+printf "%s\n" "$ac_ct_AR" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -6758,8 +7812,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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
@@ -6767,42 +7821,60 @@ esac
 fi
 
 : ${AR=ar}
-: ${AR_FLAGS=cru}
 
 
 
 
 
 
+# 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
 
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5
-$as_echo_n "checking for archiver @FILE support... " >&6; }
-if ${lt_cv_ar_at_file+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+
+
+# Make AR_FLAGS overridable by 'make ARFLAGS='.  Don't try to run-time override
+# by AR_FLAGS because that was never working and AR_FLAGS is about to die.
+
+
+
+
+
+
+{ printf "%s\n" "$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 ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$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 $lt_ar_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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.
@@ -6810,7 +7882,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then :
 	{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
   (eval $lt_ar_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 	if test 0 -ne "$ac_status"; then
           lt_cv_ar_at_file=@
@@ -6819,11 +7891,11 @@ if ac_fn_cxx_try_compile "$LINENO"; then :
       rm -f conftest.* libconftest.a
 
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
-$as_echo "$lt_cv_ar_at_file" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
+printf "%s\n" "$lt_cv_ar_at_file" >&6; }
 
 if test no = "$lt_cv_ar_at_file"; then
   archiver_list_spec=
@@ -6840,11 +7912,12 @@ fi
 if test -n "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_STRIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$STRIP" # Let the user override the test.
 else
@@ -6852,11 +7925,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6867,11 +7944,11 @@ fi
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
-$as_echo "$STRIP" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+printf "%s\n" "$STRIP" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -6880,11 +7957,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_STRIP" # Let the user override the test.
 else
@@ -6892,11 +7970,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_STRIP="strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6907,11 +7989,11 @@ fi
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
-$as_echo "$ac_ct_STRIP" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+printf "%s\n" "$ac_ct_STRIP" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_STRIP" = x; then
@@ -6919,8 +8001,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_STRIP
@@ -6939,11 +8021,12 @@ test -z "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$RANLIB" # Let the user override the test.
 else
@@ -6951,11 +8034,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -6966,11 +8053,11 @@ fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+printf "%s\n" "$RANLIB" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -6979,11 +8066,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_RANLIB" # Let the user override the test.
 else
@@ -6991,11 +8079,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7006,11 +8098,11 @@ fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+printf "%s\n" "$ac_ct_RANLIB" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_RANLIB" = x; then
@@ -7018,8 +8110,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_RANLIB
@@ -7108,11 +8200,12 @@ compiler=$CC
 
 
 # Check for command to grab the raw symbol name followed by C symbol from nm.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5
-$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
-if ${lt_cv_sys_global_symbol_pipe+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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?!! ;)]
@@ -7167,7 +8260,7 @@ 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 .* \(.*\)$/\1/p'"
+  lt_cv_sys_global_symbol_to_import="$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 .* \(.*\)$/  {\"\1\", (void *) 0},/p'"
@@ -7185,20 +8278,20 @@ fi
 # Transform an extracted symbol line into a proper C declaration.
 # Some systems (esp. on ia64) link data and code symbols differently,
 # so use this general approach.
-lt_cv_sys_global_symbol_to_cdecl="sed -n"\
+lt_cv_sys_global_symbol_to_cdecl="$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_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_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* .* \(lib.*\)$/  {\"\1\", (void *) \&\1},/p'"\
@@ -7222,7 +8315,7 @@ for ac_symprfx in "" "_"; do
   if test "$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++,
+    # Also find C++ and __fastcall symbols from MSVC++ or ICC,
     # which start with @ or ?.
     lt_cv_sys_global_symbol_pipe="$AWK '"\
 "     {last_section=section; section=\$ 3};"\
@@ -7240,9 +8333,9 @@ for ac_symprfx in "" "_"; do
 "     s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\
 "     ' prfx=^$ac_symprfx"
   else
-    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[	 ]\($symcode$symcode*\)[	 ][	 ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+    lt_cv_sys_global_symbol_pipe="$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'"
+  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
@@ -7264,14 +8357,14 @@ _LT_EOF
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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" \> $nlist) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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
@@ -7340,7 +8433,7 @@ _LT_EOF
 	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && test -s conftest$ac_exeext; then
 	    pipe_works=yes
 	  fi
@@ -7375,11 +8468,11 @@ 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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5
-$as_echo "failed" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: failed" >&5
+printf "%s\n" "failed" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5
+printf "%s\n" "ok" >&6; }
 fi
 
 # Response file support.
@@ -7425,13 +8518,14 @@ fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5
-$as_echo_n "checking for sysroot... " >&6; }
+{ printf "%s\n" "$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+set}" = set; then :
+if test ${with_sysroot+y}
+then :
   withval=$with_sysroot;
-else
+else $as_nop
   with_sysroot=no
 fi
 
@@ -7444,29 +8538,30 @@ case $with_sysroot in #(
    fi
    ;; #(
  /*)
-   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
+   lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"`
    ;; #(
  no|'')
    ;; #(
  *)
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5
-$as_echo "$with_sysroot" >&6; }
+   { printf "%s\n" "$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
 
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5
-$as_echo "${lt_sysroot:-no}" >&6; }
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5
+printf "%s\n" "${lt_sysroot:-no}" >&6; }
 
 
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5
-$as_echo_n "checking for a working dd... " >&6; }
-if ${ac_cv_path_lt_DD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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}
@@ -7477,10 +8572,15 @@ if test -z "$lt_DD"; then
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in dd; do
+  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"
+      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 \
@@ -7500,15 +8600,16 @@ fi
 
 rm -f conftest.i conftest2.i conftest.out
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
-$as_echo "$ac_cv_path_lt_DD" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
+printf "%s\n" "$ac_cv_path_lt_DD" >&6; }
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5
-$as_echo_n "checking how to truncate binary pipes... " >&6; }
-if ${lt_cv_truncate_bin+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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 $as_nop
   printf 0123456789abcdef0123456789abcdef >conftest.i
 cat conftest.i conftest.i >conftest2.i
 lt_cv_truncate_bin=
@@ -7519,8 +8620,8 @@ fi
 rm -f conftest.i conftest2.i conftest.out
 test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
-$as_echo "$lt_cv_truncate_bin" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
+printf "%s\n" "$lt_cv_truncate_bin" >&6; }
 
 
 
@@ -7544,7 +8645,8 @@ func_cc_basename ()
 
 
 # Check whether --enable-libtool-lock was given.
-if test "${enable_libtool_lock+set}" = set; then :
+if test ${enable_libtool_lock+y}
+then :
   enableval=$enable_libtool_lock;
 fi
 
@@ -7560,9 +8662,9 @@ ia64-*-hpux*)
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-    case `/usr/bin/file conftest.$ac_objext` in
+    case `$FILECMD conftest.$ac_objext` in
       *ELF-32*)
 	HPUX_IA64_MODE=32
 	;;
@@ -7580,10 +8682,10 @@ ia64-*-hpux*)
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
     if test yes = "$lt_cv_prog_gnu_ld"; then
-      case `/usr/bin/file conftest.$ac_objext` in
+      case `$FILECMD conftest.$ac_objext` in
 	*32-bit*)
 	  LD="${LD-ld} -melf32bsmip"
 	  ;;
@@ -7595,7 +8697,7 @@ ia64-*-hpux*)
 	;;
       esac
     else
-      case `/usr/bin/file conftest.$ac_objext` in
+      case `$FILECMD conftest.$ac_objext` in
 	*32-bit*)
 	  LD="${LD-ld} -32"
 	  ;;
@@ -7618,10 +8720,10 @@ mips64*-*linux*)
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
     emul=elf
-    case `/usr/bin/file conftest.$ac_objext` in
+    case `$FILECMD conftest.$ac_objext` in
       *32-bit*)
 	emul="${emul}32"
 	;;
@@ -7629,7 +8731,7 @@ mips64*-*linux*)
 	emul="${emul}64"
 	;;
     esac
-    case `/usr/bin/file conftest.$ac_objext` in
+    case `$FILECMD conftest.$ac_objext` in
       *MSB*)
 	emul="${emul}btsmip"
 	;;
@@ -7637,7 +8739,7 @@ mips64*-*linux*)
 	emul="${emul}ltsmip"
 	;;
     esac
-    case `/usr/bin/file conftest.$ac_objext` in
+    case `$FILECMD conftest.$ac_objext` in
       *N32*)
 	emul="${emul}n32"
 	;;
@@ -7659,16 +8761,16 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-    case `/usr/bin/file conftest.o` in
+    case `$FILECMD conftest.o` in
       *32-bit*)
 	case $host in
 	  x86_64-*kfreebsd*-gnu)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    case `/usr/bin/file conftest.o` in
+	    case `$FILECMD conftest.o` in
 	      *x86-64*)
 		LD="${LD-ld} -m elf32_x86_64"
 		;;
@@ -7722,11 +8824,12 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
   SAVE_CFLAGS=$CFLAGS
   CFLAGS="$CFLAGS -belf"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
-$as_echo_n "checking whether the C compiler needs -belf... " >&6; }
-if ${lt_cv_cc_needs_belf+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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'
@@ -7737,19 +8840,20 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   lt_cv_cc_needs_belf=yes
-else
+else $as_nop
   lt_cv_cc_needs_belf=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
      ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -7758,8 +8862,8 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
-$as_echo "$lt_cv_cc_needs_belf" >&6; }
+{ printf "%s\n" "$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
@@ -7772,9 +8876,9 @@ $as_echo "$lt_cv_cc_needs_belf" >&6; }
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-    case `/usr/bin/file conftest.o` in
+    case `$FILECMD conftest.o` in
     *64-bit*)
       case $lt_cv_prog_gnu_ld in
       yes*)
@@ -7809,11 +8913,12 @@ need_locks=$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_MANIFEST_TOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$MANIFEST_TOOL" # Let the user override the test.
 else
@@ -7821,11 +8926,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7836,11 +8945,11 @@ fi
 fi
 MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
 if test -n "$MANIFEST_TOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5
-$as_echo "$MANIFEST_TOOL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5
+printf "%s\n" "$MANIFEST_TOOL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -7849,11 +8958,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
 else
@@ -7861,11 +8971,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_MANIFEST_TOOL="mt"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7876,11 +8990,11 @@ fi
 fi
 ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
 if test -n "$ac_ct_MANIFEST_TOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5
-$as_echo "$ac_ct_MANIFEST_TOOL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5
+printf "%s\n" "$ac_ct_MANIFEST_TOOL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_MANIFEST_TOOL" = x; then
@@ -7888,8 +9002,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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
@@ -7899,11 +9013,12 @@ else
 fi
 
 test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5
-$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
-if ${lt_cv_path_mainfest_tool+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -7913,8 +9028,8 @@ else
   fi
   rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
-$as_echo "$lt_cv_path_mainfest_tool" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
+printf "%s\n" "$lt_cv_path_mainfest_tool" >&6; }
 if test yes != "$lt_cv_path_mainfest_tool"; then
   MANIFEST_TOOL=:
 fi
@@ -7929,11 +9044,12 @@ fi
     if test -n "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DSYMUTIL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$DSYMUTIL" # Let the user override the test.
 else
@@ -7941,11 +9057,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7956,11 +9076,11 @@ fi
 fi
 DSYMUTIL=$ac_cv_prog_DSYMUTIL
 if test -n "$DSYMUTIL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
-$as_echo "$DSYMUTIL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
+printf "%s\n" "$DSYMUTIL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -7969,11 +9089,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_DSYMUTIL" # Let the user override the test.
 else
@@ -7981,11 +9102,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7996,11 +9121,11 @@ fi
 fi
 ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
 if test -n "$ac_ct_DSYMUTIL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
-$as_echo "$ac_ct_DSYMUTIL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
+printf "%s\n" "$ac_ct_DSYMUTIL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_DSYMUTIL" = x; then
@@ -8008,8 +9133,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_DSYMUTIL
@@ -8021,11 +9146,12 @@ fi
     if test -n "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_NMEDIT+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$NMEDIT" # Let the user override the test.
 else
@@ -8033,11 +9159,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8048,11 +9178,11 @@ fi
 fi
 NMEDIT=$ac_cv_prog_NMEDIT
 if test -n "$NMEDIT"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
-$as_echo "$NMEDIT" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
+printf "%s\n" "$NMEDIT" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -8061,11 +9191,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_NMEDIT" # Let the user override the test.
 else
@@ -8073,11 +9204,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_NMEDIT="nmedit"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8088,11 +9223,11 @@ fi
 fi
 ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
 if test -n "$ac_ct_NMEDIT"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
-$as_echo "$ac_ct_NMEDIT" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
+printf "%s\n" "$ac_ct_NMEDIT" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_NMEDIT" = x; then
@@ -8100,8 +9235,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_NMEDIT
@@ -8113,11 +9248,12 @@ fi
     if test -n "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_LIPO+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$LIPO" # Let the user override the test.
 else
@@ -8125,11 +9261,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8140,11 +9280,11 @@ fi
 fi
 LIPO=$ac_cv_prog_LIPO
 if test -n "$LIPO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
-$as_echo "$LIPO" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
+printf "%s\n" "$LIPO" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -8153,11 +9293,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_LIPO+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_LIPO" # Let the user override the test.
 else
@@ -8165,11 +9306,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_LIPO="lipo"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8180,11 +9325,11 @@ fi
 fi
 ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
 if test -n "$ac_ct_LIPO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
-$as_echo "$ac_ct_LIPO" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
+printf "%s\n" "$ac_ct_LIPO" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_LIPO" = x; then
@@ -8192,8 +9337,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_LIPO
@@ -8205,11 +9350,12 @@ fi
     if test -n "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$OTOOL" # Let the user override the test.
 else
@@ -8217,11 +9363,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8232,11 +9382,11 @@ fi
 fi
 OTOOL=$ac_cv_prog_OTOOL
 if test -n "$OTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
-$as_echo "$OTOOL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
+printf "%s\n" "$OTOOL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -8245,11 +9395,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OTOOL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_OTOOL" # Let the user override the test.
 else
@@ -8257,11 +9408,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_OTOOL="otool"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8272,11 +9427,11 @@ fi
 fi
 ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
 if test -n "$ac_ct_OTOOL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
-$as_echo "$ac_ct_OTOOL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
+printf "%s\n" "$ac_ct_OTOOL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_OTOOL" = x; then
@@ -8284,8 +9439,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_ct_OTOOL
@@ -8297,11 +9452,12 @@ fi
     if test -n "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OTOOL64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$OTOOL64" # Let the user override the test.
 else
@@ -8309,11 +9465,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8324,11 +9484,11 @@ fi
 fi
 OTOOL64=$ac_cv_prog_OTOOL64
 if test -n "$OTOOL64"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
-$as_echo "$OTOOL64" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
+printf "%s\n" "$OTOOL64" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -8337,11 +9497,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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="$ac_ct_OTOOL64" # Let the user override the test.
 else
@@ -8349,11 +9510,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_OTOOL64="otool64"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8364,11 +9529,11 @@ fi
 fi
 ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
 if test -n "$ac_ct_OTOOL64"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
-$as_echo "$ac_ct_OTOOL64" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
+printf "%s\n" "$ac_ct_OTOOL64" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_OTOOL64" = x; then
@@ -8376,8 +9541,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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
@@ -8412,11 +9577,12 @@ fi
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5
-$as_echo_n "checking for -single_module linker flag... " >&6; }
-if ${lt_cv_apple_cc_single_mod+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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
@@ -8445,14 +9611,15 @@ else
 	rm -f conftest.*
       fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
-$as_echo "$lt_cv_apple_cc_single_mod" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
+printf "%s\n" "$lt_cv_apple_cc_single_mod" >&6; }
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
-$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
-if ${lt_cv_ld_exported_symbols_list+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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
@@ -8461,39 +9628,41 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   lt_cv_ld_exported_symbols_list=yes
-else
+else $as_nop
   lt_cv_ld_exported_symbols_list=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 	LDFLAGS=$save_LDFLAGS
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
-$as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
+printf "%s\n" "$lt_cv_ld_exported_symbols_list" >&6; }
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
-$as_echo_n "checking for -force_load linker flag... " >&6; }
-if ${lt_cv_ld_force_load+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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 cru libconftest.a conftest.o" >&5
-      $AR cru libconftest.a conftest.o 2>&5
+      echo "$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
@@ -8513,24 +9682,19 @@ _LT_EOF
         rm -rf conftest.dSYM
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
-$as_echo "$lt_cv_ld_force_load" >&6; }
+{ printf "%s\n" "$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*) # darwin 5.x on
-      # if running on 10.5 or later, the deployment target defaults
-      # to the OS version, if on x86, and 10.4, the deployment
-      # target defaults to 10.4. Don't you love it?
-      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
-	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-	10.[012][,.]*)
-	  _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
-	10.*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+    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
@@ -8585,286 +9749,43 @@ func_munge_path_list ()
     esac
 }
 
-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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "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 ${ac_cv_prog_CPP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-      # Double quotes because CPP needs to be expanded
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
-    do
-      ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
+ac_header= ac_cache=
+for ac_item in $ac_header_c_list
 do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$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
-  # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
+  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=$ac_item
+  fi
 done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
-ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
 
-else
-  # 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
-  # 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
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$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
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
+if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes
+then :
 
-int
-main ()
-{
+printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_stdc=yes
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
 fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
-  ac_cv_header_stdc=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
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
 "
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
+if test "x$ac_cv_header_dlfcn_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_DLFCN_H 1" >>confdefs.h
 
 fi
 
-done
-
-
-for ac_header in dlfcn.h
-do :
-  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 :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_DLFCN_H 1
-_ACEOF
-
-fi
-
-done
-
 
 
 func_stripname_cnf ()
@@ -8881,7 +9802,8 @@ func_stripname_cnf ()
 
 # Set options
 # Check whether --enable-static was given.
-if test "${enable_static+set}" = set; then :
+if test ${enable_static+y}
+then :
   enableval=$enable_static; p=${PACKAGE-default}
     case $enableval in
     yes) enable_static=yes ;;
@@ -8899,7 +9821,7 @@ if test "${enable_static+set}" = set; then :
       IFS=$lt_save_ifs
       ;;
     esac
-else
+else $as_nop
   enable_static=no
 fi
 
@@ -8919,7 +9841,8 @@ fi
 
 
             # Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then :
+if test ${enable_shared+y}
+then :
   enableval=$enable_shared; p=${PACKAGE-default}
     case $enableval in
     yes) enable_shared=yes ;;
@@ -8937,7 +9860,7 @@ if test "${enable_shared+set}" = set; then :
       IFS=$lt_save_ifs
       ;;
     esac
-else
+else $as_nop
   enable_shared=yes
 fi
 
@@ -8952,7 +9875,8 @@ fi
 
 
 # Check whether --with-pic was given.
-if test "${with_pic+set}" = set; then :
+if test ${with_pic+y}
+then :
   withval=$with_pic; lt_p=${PACKAGE-default}
     case $withval in
     yes|no) pic_mode=$withval ;;
@@ -8969,7 +9893,7 @@ if test "${with_pic+set}" = set; then :
       IFS=$lt_save_ifs
       ;;
     esac
-else
+else $as_nop
   pic_mode=default
 fi
 
@@ -8981,7 +9905,8 @@ fi
 
 
   # Check whether --enable-fast-install was given.
-if test "${enable_fast_install+set}" = set; then :
+if test ${enable_fast_install+y}
+then :
   enableval=$enable_fast_install; p=${PACKAGE-default}
     case $enableval in
     yes) enable_fast_install=yes ;;
@@ -8999,7 +9924,7 @@ if test "${enable_fast_install+set}" = set; then :
       IFS=$lt_save_ifs
       ;;
     esac
-else
+else $as_nop
   enable_fast_install=yes
 fi
 
@@ -9013,11 +9938,12 @@ fi
   shared_archive_member_spec=
 case $host,$enable_shared in
 power*-*-aix[5-9]*,yes)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5
-$as_echo_n "checking which variant of shared library versioning to provide... " >&6; }
+  { printf "%s\n" "$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+set}" = set; then :
+if test ${with_aix_soname+y}
+then :
   withval=$with_aix_soname; case $withval in
     aix|svr4|both)
       ;;
@@ -9026,18 +9952,19 @@ if test "${with_aix_soname+set}" = set; then :
       ;;
     esac
     lt_cv_with_aix_soname=$with_aix_soname
-else
-  if ${lt_cv_with_aix_soname+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
-$as_echo "$with_aix_soname" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
+printf "%s\n" "$with_aix_soname" >&6; }
   if test aix != "$with_aix_soname"; then
     # For the AIX way of multilib, we name the shared archive member
     # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
@@ -9119,11 +10046,12 @@ if test -n "${ZSH_VERSION+set}"; then
    setopt NO_GLOB_SUBST
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
-$as_echo_n "checking for objdir... " >&6; }
-if ${lt_cv_objdir+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
@@ -9134,17 +10062,15 @@ else
 fi
 rmdir .libs 2>/dev/null
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
-$as_echo "$lt_cv_objdir" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
+printf "%s\n" "$lt_cv_objdir" >&6; }
 objdir=$lt_cv_objdir
 
 
 
 
 
-cat >>confdefs.h <<_ACEOF
-#define LT_OBJDIR "$lt_cv_objdir/"
-_ACEOF
+printf "%s\n" "#define LT_OBJDIR \"$lt_cv_objdir/\"" >>confdefs.h
 
 
 
@@ -9165,8 +10091,8 @@ esac
 ofile=libtool
 can_build_shared=yes
 
-# All known linkers require a '.a' archive for static linking (except MSVC,
-# which needs '.lib').
+# All known linkers require a '.a' archive for static linking (except MSVC and
+# ICC, which need '.lib').
 libext=a
 
 with_gnu_ld=$lt_cv_prog_gnu_ld
@@ -9190,11 +10116,12 @@ test -z "$MAGIC_CMD" && MAGIC_CMD=file
 case $deplibs_check_method in
 file_magic*)
   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5
-$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; }
-if ${lt_cv_path_MAGIC_CMD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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.
@@ -9243,11 +10170,11 @@ fi
 
 MAGIC_CMD=$lt_cv_path_MAGIC_CMD
 if test -n "$MAGIC_CMD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
-$as_echo "$MAGIC_CMD" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+printf "%s\n" "$MAGIC_CMD" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -9256,11 +10183,12 @@ fi
 
 if test -z "$lt_cv_path_MAGIC_CMD"; then
   if test -n "$ac_tool_prefix"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5
-$as_echo_n "checking for file... " >&6; }
-if ${lt_cv_path_MAGIC_CMD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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.
@@ -9309,11 +10237,11 @@ fi
 
 MAGIC_CMD=$lt_cv_path_MAGIC_CMD
 if test -n "$MAGIC_CMD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
-$as_echo "$MAGIC_CMD" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+printf "%s\n" "$MAGIC_CMD" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -9398,11 +10326,12 @@ if test yes = "$GCC"; then
     lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;;
   esac
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
-$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
-if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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
@@ -9433,8 +10362,8 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
-$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
+{ printf "%s\n" "$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"
@@ -9675,7 +10604,7 @@ lt_prog_compiler_static=
 	lt_prog_compiler_static='-qstaticlink'
 	;;
       *)
-	case `$CC -V 2>&1 | sed 5q` in
+	case `$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'
@@ -9791,26 +10720,28 @@ case $host_os in
     ;;
 esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
-$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
-if ${lt_cv_prog_compiler_pic+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
-$as_echo "$lt_cv_prog_compiler_pic" >&6; }
+{ printf "%s\n" "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
-$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
-if ${lt_cv_prog_compiler_pic_works+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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
@@ -9841,8 +10772,8 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
-$as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
+{ printf "%s\n" "$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 $lt_prog_compiler_pic in
@@ -9870,11 +10801,12 @@ fi
 # Check to make sure the static flag actually works.
 #
 wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
-$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
-if ${lt_cv_prog_compiler_static_works+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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 $lt_tmp_static_flag"
@@ -9898,8 +10830,8 @@ else
    LDFLAGS=$save_LDFLAGS
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
-$as_echo "$lt_cv_prog_compiler_static_works" >&6; }
+{ printf "%s\n" "$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
     :
@@ -9913,11 +10845,12 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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
@@ -9960,19 +10893,20 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
-$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
 
 
 
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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
@@ -10015,8 +10949,8 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
-$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
 
 
 
@@ -10024,19 +10958,19 @@ $as_echo "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
-$as_echo_n "checking if we can lock with hard links... " >&6; }
+  { printf "%s\n" "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
-$as_echo "$hard_links" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
+printf "%s\n" "$hard_links" >&6; }
   if test no = "$hard_links"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
-$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;}
+    { 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
@@ -10048,8 +10982,8 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
-$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+  { 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=
@@ -10093,15 +11027,15 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
 
   case $host_os in
   cygwin* | mingw* | pw32* | cegcc*)
-    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # FIXME: the MSVC++ and ICC port hasn't been tested in a loooong time
     # When not using gcc, we currently assume that we are using
-    # Microsoft Visual C++.
+    # Microsoft Visual C++ or Intel C++ Compiler.
     if test yes != "$GCC"; then
       with_gnu_ld=no
     fi
     ;;
   interix*)
-    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    # we just hope/assume this is gcc and not c89 (= MSVC++ or ICC)
     with_gnu_ld=yes
     ;;
   openbsd* | bitrig*)
@@ -10153,7 +11087,7 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
       whole_archive_flag_spec=
     fi
     supports_anon_versioning=no
-    case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in
+    case `$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 ...
@@ -10265,6 +11199,7 @@ _LT_EOF
 	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]*)
@@ -10279,7 +11214,7 @@ _LT_EOF
       # 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 $lib'
+      archive_expsym_cmds='$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)
@@ -10322,7 +11257,7 @@ _LT_EOF
 	  compiler_needs_object=yes
 	  ;;
 	esac
-	case `$CC -V 2>&1 | sed 5q` in
+	case `$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
@@ -10334,7 +11269,7 @@ _LT_EOF
 
         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~
+            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 $lib'
         fi
@@ -10350,7 +11285,7 @@ _LT_EOF
 	  archive_cmds='$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~
+              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
@@ -10482,7 +11417,7 @@ _LT_EOF
 	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 == "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'
+	  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
 
@@ -10604,21 +11539,23 @@ _LT_EOF
         if test set = "${lt_cv_aix_libpath+set}"; then
   aix_libpath=$lt_cv_aix_libpath
 else
-  if ${lt_cv_aix_libpath_+:} false; then :
-  $as_echo_n "(cached) " >&6
-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 ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
 
   lt_aix_libpath_sed='
       /Import File Strings/,/^$/ {
@@ -10633,7 +11570,7 @@ if ac_fn_c_try_link "$LINENO"; 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.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   if test -z "$lt_cv_aix_libpath_"; then
     lt_cv_aix_libpath_=/usr/lib:/lib
@@ -10657,21 +11594,23 @@ fi
 	 if test set = "${lt_cv_aix_libpath+set}"; then
   aix_libpath=$lt_cv_aix_libpath
 else
-  if ${lt_cv_aix_libpath_+:} false; then :
-  $as_echo_n "(cached) " >&6
-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 ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
 
   lt_aix_libpath_sed='
       /Import File Strings/,/^$/ {
@@ -10686,7 +11625,7 @@ if ac_fn_c_try_link "$LINENO"; 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.$ac_objext \
+rm -f core conftest.err conftest.$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
@@ -10749,12 +11688,12 @@ fi
 
     cygwin* | mingw* | pw32* | cegcc*)
       # When not using gcc, we currently assume that we are using
-      # Microsoft Visual C++.
+      # 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*)
-	# Native MSVC
+      cl* | icl*)
+	# Native MSVC or ICC
 	hardcode_libdir_flag_spec=' '
 	allow_undefined_flag=unsupported
 	always_export_symbols=yes
@@ -10795,7 +11734,7 @@ fi
           fi'
 	;;
       *)
-	# Assume MSVC wrapper
+	# Assume MSVC and ICC wrapper
 	hardcode_libdir_flag_spec=' '
 	allow_undefined_flag=unsupported
 	# Tell ltmain to make .lib files, not .a files.
@@ -10836,8 +11775,8 @@ fi
     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$_lt_dsymutil"
+    archive_expsym_cmds="$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
@@ -10871,7 +11810,7 @@ fi
       ;;
 
     # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
-    freebsd* | dragonfly*)
+    freebsd* | dragonfly* | midnightbsd*)
       archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
       hardcode_libdir_flag_spec='-R$libdir'
       hardcode_direct=yes
@@ -10937,11 +11876,12 @@ fi
 
 	  # 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)
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5
-$as_echo_n "checking if $CC understands -b... " >&6; }
-if ${lt_cv_prog_compiler__b+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	  { printf "%s\n" "$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="$LDFLAGS -b"
@@ -10965,8 +11905,8 @@ else
    LDFLAGS=$save_LDFLAGS
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
-$as_echo "$lt_cv_prog_compiler__b" >&6; }
+{ printf "%s\n" "$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'
@@ -11006,28 +11946,30 @@ fi
 	# 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.
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5
-$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; }
-if ${lt_cv_irix_exported_symbol+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$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 "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   lt_cv_irix_exported_symbol=yes
-else
+else $as_nop
   lt_cv_irix_exported_symbol=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
            LDFLAGS=$save_LDFLAGS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
-$as_echo "$lt_cv_irix_exported_symbol" >&6; }
+{ printf "%s\n" "$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
@@ -11119,6 +12061,7 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
 	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*)
@@ -11307,8 +12250,8 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
     fi
   fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
-$as_echo "$ld_shlibs" >&6; }
+{ printf "%s\n" "$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
@@ -11344,18 +12287,19 @@ x|xyes)
       # 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.
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
-$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
-if ${lt_cv_archive_cmds_need_lc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$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 $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } 2>conftest.err; then
 	  soname=conftest
 	  lib=conftest
@@ -11373,7 +12317,7 @@ else
 	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
   (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 	  then
 	    lt_cv_archive_cmds_need_lc=no
@@ -11387,8 +12331,8 @@ else
 	$RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
-$as_echo "$lt_cv_archive_cmds_need_lc" >&6; }
+{ printf "%s\n" "$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
@@ -11547,8 +12491,8 @@ esac
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
-$as_echo_n "checking dynamic linker characteristics... " >&6; }
+  { printf "%s\n" "$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
@@ -11810,7 +12754,7 @@ cygwin* | mingw* | pw32* | cegcc*)
     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'
+      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"
       ;;
@@ -11820,14 +12764,14 @@ cygwin* | mingw* | pw32* | cegcc*)
       ;;
     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'
+      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*)
-    # Native MSVC
+  *,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'
@@ -11846,7 +12790,7 @@ cygwin* | mingw* | pw32* | cegcc*)
       done
       IFS=$lt_save_ifs
       # Convert to MSYS style.
-      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'`
+      sys_lib_search_path_spec=`$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
@@ -11883,7 +12827,7 @@ cygwin* | mingw* | pw32* | cegcc*)
     ;;
 
   *)
-    # Assume MSVC wrapper
+    # 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'
     ;;
@@ -11916,7 +12860,7 @@ dgux*)
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
-freebsd* | dragonfly*)
+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
@@ -12109,9 +13053,10 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   shlibpath_overrides_runpath=no
 
   # Some binutils ld are patched to set DT_RUNPATH
-  if ${lt_cv_shlibpath_overrides_runpath+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  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
@@ -12121,19 +13066,21 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+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 :
+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.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
     LDFLAGS=$save_LDFLAGS
     libdir=$save_libdir
@@ -12365,8 +13312,8 @@ uts4*)
   dynamic_linker=no
   ;;
 esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
-$as_echo "$dynamic_linker" >&6; }
+{ printf "%s\n" "$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 $runpath_var"
@@ -12487,8 +13434,8 @@ configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
-$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
+  { printf "%s\n" "$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" ||
@@ -12512,8 +13459,8 @@ else
   # directories.
   hardcode_action=unsupported
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
-$as_echo "$hardcode_action" >&6; }
+{ printf "%s\n" "$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
@@ -12557,11 +13504,12 @@ else
 
   darwin*)
     # if libdl is installed we need to link against it
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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
@@ -12570,32 +13518,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char dlopen ();
 int
-main ()
+main (void)
 {
 return dlopen ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_dl_dlopen=yes
-else
+else $as_nop
   ac_cv_lib_dl_dlopen=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+{ 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
+else $as_nop
 
     lt_cv_dlopen=dyld
     lt_cv_dlopen_libs=
@@ -12615,14 +13562,16 @@ fi
 
   *)
     ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
-if test "x$ac_cv_func_shl_load" = xyes; then :
+if test "x$ac_cv_func_shl_load" = xyes
+then :
   lt_cv_dlopen=shl_load
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
-$as_echo_n "checking for shl_load in -ldld... " >&6; }
-if ${ac_cv_lib_dld_shl_load+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
@@ -12631,41 +13580,42 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char shl_load ();
 int
-main ()
+main (void)
 {
 return shl_load ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_dld_shl_load=yes
-else
+else $as_nop
   ac_cv_lib_dld_shl_load=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
-$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
+{ 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
+else $as_nop
   ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = xyes; then :
+if test "x$ac_cv_func_dlopen" = xyes
+then :
   lt_cv_dlopen=dlopen
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
@@ -12674,37 +13624,37 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char dlopen ();
 int
-main ()
+main (void)
 {
 return dlopen ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_dl_dlopen=yes
-else
+else $as_nop
   ac_cv_lib_dl_dlopen=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+{ 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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
-$as_echo_n "checking for dlopen in -lsvld... " >&6; }
-if ${ac_cv_lib_svld_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
@@ -12713,37 +13663,37 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char dlopen ();
 int
-main ()
+main (void)
 {
 return dlopen ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_svld_dlopen=yes
-else
+else $as_nop
   ac_cv_lib_svld_dlopen=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
-$as_echo "$ac_cv_lib_svld_dlopen" >&6; }
-if test "x$ac_cv_lib_svld_dlopen" = xyes; then :
+{ 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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
-$as_echo_n "checking for dld_link in -ldld... " >&6; }
-if ${ac_cv_lib_dld_dld_link+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
@@ -12752,30 +13702,29 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char dld_link ();
 int
-main ()
+main (void)
 {
 return dld_link ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_dld_dld_link=yes
-else
+else $as_nop
   ac_cv_lib_dld_dld_link=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
-$as_echo "$ac_cv_lib_dld_dld_link" >&6; }
-if test "x$ac_cv_lib_dld_dld_link" = xyes; then :
+{ 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
 
@@ -12814,11 +13763,12 @@ fi
     save_LIBS=$LIBS
     LIBS="$lt_cv_dlopen_libs $LIBS"
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
-$as_echo_n "checking whether a program can dlopen itself... " >&6; }
-if ${lt_cv_dlopen_self+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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
@@ -12897,7 +13847,7 @@ _LT_EOF
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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=$?
@@ -12915,16 +13865,17 @@ rm -fr conftest*
 
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
-$as_echo "$lt_cv_dlopen_self" >&6; }
+{ printf "%s\n" "$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\"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
-$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
-if ${lt_cv_dlopen_self_static+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$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
@@ -13003,7 +13954,7 @@ _LT_EOF
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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=$?
@@ -13021,8 +13972,8 @@ rm -fr conftest*
 
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
-$as_echo "$lt_cv_dlopen_self_static" >&6; }
+{ printf "%s\n" "$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
@@ -13060,32 +14011,43 @@ fi
 
 striplib=
 old_striplib=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5
-$as_echo_n "checking whether stripping libraries is possible... " >&6; }
-if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
-  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
-  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-# FIXME - insert some real tests, host_os isn't really good enough
-  case $host_os in
-  darwin*)
-    if test -n "$STRIP"; then
+{ 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"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-    fi
-    ;;
-  *)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-    ;;
-  esac
+      { printf "%s\n" "$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
 
 
@@ -13100,13 +14062,13 @@ fi
 
 
   # Report what library types will actually be built
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
-$as_echo_n "checking if libtool supports shared libraries... " >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
-$as_echo "$can_build_shared" >&6; }
+  { printf "%s\n" "$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; }
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
-$as_echo_n "checking whether to build shared libraries... " >&6; }
+  { printf "%s\n" "$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
@@ -13130,15 +14092,15 @@ $as_echo_n "checking whether to build shared libraries... " >&6; }
     fi
     ;;
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
-$as_echo "$enable_shared" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
+printf "%s\n" "$enable_shared" >&6; }
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
-$as_echo_n "checking whether to build static libraries... " >&6; }
+  { printf "%s\n" "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
-$as_echo "$enable_static" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
+printf "%s\n" "$enable_static" >&6; }
 
 
 
@@ -13160,36 +14122,32 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
-$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
+{ printf "%s\n" "$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 ${ac_cv_prog_CXXCPP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-      # Double quotes because CXXCPP needs to be expanded
-    for CXXCPP in "$CXX -E" "/lib/cpp"
+  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.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
   # 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.$ac_ext
 /* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+#include <limits.h>
 		     Syntax error
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
 
-else
+else $as_nop
   # Broken: fails on valid input.
 continue
 fi
@@ -13201,10 +14159,11 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
   # Broken: success on invalid input.
 continue
-else
+else $as_nop
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -13214,7 +14173,8 @@ rm -f conftest.err conftest.i conftest.$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 :
+if $ac_preproc_ok
+then :
   break
 fi
 
@@ -13226,29 +14186,24 @@ fi
 else
   ac_cv_prog_CXXCPP=$CXXCPP
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
-$as_echo "$CXXCPP" >&6; }
+{ printf "%s\n" "$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.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
   # 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.$ac_ext
 /* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+#include <limits.h>
 		     Syntax error
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
 
-else
+else $as_nop
   # Broken: fails on valid input.
 continue
 fi
@@ -13260,10 +14215,11 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
+if ac_fn_cxx_try_cpp "$LINENO"
+then :
   # Broken: success on invalid input.
 continue
-else
+else $as_nop
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -13273,11 +14229,12 @@ rm -f conftest.err conftest.i conftest.$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 :
+if $ac_preproc_ok
+then :
 
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+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" "$LINENO" 5; }
 fi
@@ -13413,17 +14370,18 @@ cc_basename=$func_cc_basename_result
 
 
 # Check whether --with-gnu-ld was given.
-if test "${with_gnu_ld+set}" = set; then :
+if test ${with_gnu_ld+y}
+then :
   withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
-else
+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.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
-$as_echo_n "checking for ld used by $CC... " >&6; }
+  { printf "%s\n" "$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
@@ -13452,15 +14410,16 @@ $as_echo_n "checking for ld used by $CC... " >&6; }
     ;;
   esac
 elif test yes = "$with_gnu_ld"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
-$as_echo_n "checking for GNU ld... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+printf %s "checking for GNU ld... " >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
-$as_echo_n "checking for non-GNU ld... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+printf %s "checking for non-GNU ld... " >&6; }
 fi
-if ${lt_cv_path_LD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+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
@@ -13489,18 +14448,19 @@ fi
 
 LD=$lt_cv_path_LD
 if test -n "$LD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
-$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
-if ${lt_cv_prog_gnu_ld+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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'*)
@@ -13511,8 +14471,8 @@ case `$LD -v 2>&1 </dev/null` in
   ;;
 esac
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
-$as_echo "$lt_cv_prog_gnu_ld" >&6; }
+{ printf "%s\n" "$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
 
 
@@ -13566,8 +14526,8 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
     fi
 
     # PORTME: fill in a description of your system's C++ link characteristics
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
-$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+    { 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*)
@@ -13705,21 +14665,23 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
           if test set = "${lt_cv_aix_libpath+set}"; then
   aix_libpath=$lt_cv_aix_libpath
 else
-  if ${lt_cv_aix_libpath__CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-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 ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
   lt_aix_libpath_sed='
       /Import File Strings/,/^$/ {
@@ -13734,7 +14696,7 @@ if ac_fn_cxx_try_link "$LINENO"; 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.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   if test -z "$lt_cv_aix_libpath__CXX"; then
     lt_cv_aix_libpath__CXX=/usr/lib:/lib
@@ -13759,21 +14721,23 @@ fi
 	    if test set = "${lt_cv_aix_libpath+set}"; then
   aix_libpath=$lt_cv_aix_libpath
 else
-  if ${lt_cv_aix_libpath__CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-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 ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
   lt_aix_libpath_sed='
       /Import File Strings/,/^$/ {
@@ -13788,7 +14752,7 @@ if ac_fn_cxx_try_link "$LINENO"; 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.$ac_objext \
+rm -f core conftest.err conftest.$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
@@ -13853,8 +14817,8 @@ fi
 
       cygwin* | mingw* | pw32* | cegcc*)
 	case $GXX,$cc_basename in
-	,cl* | no,cl*)
-	  # Native MSVC
+	,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=' '
@@ -13945,11 +14909,11 @@ fi
     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$_lt_dsymutil"
+    archive_expsym_cmds_CXX="$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"
+      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
@@ -13984,6 +14948,7 @@ fi
 	  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*)
@@ -14014,7 +14979,7 @@ fi
         archive_cmds_need_lc_CXX=no
         ;;
 
-      freebsd* | dragonfly*)
+      freebsd* | dragonfly* | midnightbsd*)
         # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
         # conventions
         ld_shlibs_CXX=yes
@@ -14151,7 +15116,7 @@ fi
 	# 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 $lib'
+	archive_expsym_cmds_CXX='$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 $cc_basename in
@@ -14291,13 +15256,13 @@ fi
 	    archive_cmds_CXX='$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~
+                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
+	    case `$CC -V 2>&1 | $SED 5q` in
 	    *Sun\ C*)
 	      # Sun C++ 5.9
 	      no_undefined_flag_CXX=' -zdefs'
@@ -14639,8 +15604,8 @@ fi
         ;;
     esac
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5
-$as_echo "$ld_shlibs_CXX" >&6; }
+    { printf "%s\n" "$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=$GXX
@@ -14678,7 +15643,7 @@ esac
 if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   # Parse the compiler output and extract the necessary
   # objects, libraries and library flags.
@@ -14954,7 +15919,7 @@ lt_prog_compiler_static_CXX=
 	    ;;
 	esac
 	;;
-      freebsd* | dragonfly*)
+      freebsd* | dragonfly* | midnightbsd*)
 	# FreeBSD uses GNU C++
 	;;
       hpux9* | hpux10* | hpux11*)
@@ -15037,7 +16002,7 @@ lt_prog_compiler_static_CXX=
 	    lt_prog_compiler_static_CXX='-qstaticlink'
 	    ;;
 	  *)
-	    case `$CC -V 2>&1 | sed 5q` in
+	    case `$CC -V 2>&1 | $SED 5q` in
 	    *Sun\ C*)
 	      # Sun C++ 5.9
 	      lt_prog_compiler_pic_CXX='-KPIC'
@@ -15159,26 +16124,28 @@ case $host_os in
     ;;
 esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
-$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
-if ${lt_cv_prog_compiler_pic_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_pic_CXX" >&6; }
+{ printf "%s\n" "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5
-$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... " >&6; }
-if ${lt_cv_prog_compiler_pic_works_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$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
@@ -15209,8 +16176,8 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_pic_works_CXX" >&6; }
+{ printf "%s\n" "$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 $lt_prog_compiler_pic_CXX in
@@ -15232,11 +16199,12 @@ fi
 # Check to make sure the static flag actually works.
 #
 wl=$lt_prog_compiler_wl_CXX eval lt_tmp_static_flag=\"$lt_prog_compiler_static_CXX\"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
-$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
-if ${lt_cv_prog_compiler_static_works_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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 $lt_tmp_static_flag"
@@ -15260,8 +16228,8 @@ else
    LDFLAGS=$save_LDFLAGS
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_static_works_CXX" >&6; }
+{ printf "%s\n" "$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
     :
@@ -15272,11 +16240,12 @@ fi
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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
@@ -15319,16 +16288,17 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_c_o_CXX" >&6; }
+{ printf "%s\n" "$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; }
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$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
@@ -15371,8 +16341,8 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
-$as_echo "$lt_cv_prog_compiler_c_o_CXX" >&6; }
+{ printf "%s\n" "$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; }
 
 
 
@@ -15380,19 +16350,19 @@ $as_echo "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
-$as_echo_n "checking if we can lock with hard links... " >&6; }
+  { printf "%s\n" "$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
-$as_echo "$hard_links" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
+printf "%s\n" "$hard_links" >&6; }
   if test no = "$hard_links"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
-$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;}
+    { 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
@@ -15401,8 +16371,8 @@ fi
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
-$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+    { 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]_.*'
@@ -15419,7 +16389,7 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
     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 == "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'
+      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*)
@@ -15427,7 +16397,7 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
     ;;
   cygwin* | mingw* | cegcc*)
     case $cc_basename in
-    cl*)
+    cl* | icl*)
       exclude_expsyms_CXX='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
       ;;
     *)
@@ -15441,8 +16411,8 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
     ;;
   esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5
-$as_echo "$ld_shlibs_CXX" >&6; }
+{ printf "%s\n" "$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
@@ -15469,18 +16439,19 @@ x|xyes)
       # 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.
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
-$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
-if ${lt_cv_archive_cmds_need_lc_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$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 $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } 2>conftest.err; then
 	  soname=conftest
 	  lib=conftest
@@ -15498,7 +16469,7 @@ else
 	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
   (eval $archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 	  then
 	    lt_cv_archive_cmds_need_lc_CXX=no
@@ -15512,8 +16483,8 @@ else
 	$RM conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc_CXX" >&5
-$as_echo "$lt_cv_archive_cmds_need_lc_CXX" >&6; }
+{ printf "%s\n" "$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
@@ -15582,8 +16553,8 @@ esac
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
-$as_echo_n "checking dynamic linker characteristics... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
+printf %s "checking dynamic linker characteristics... " >&6; }
 
 library_names_spec=
 libname_spec='lib$name'
@@ -15774,7 +16745,7 @@ cygwin* | mingw* | pw32* | cegcc*)
     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'
+      soname_spec='`echo $libname | $SED -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
 
       ;;
     mingw* | cegcc*)
@@ -15783,14 +16754,14 @@ cygwin* | mingw* | pw32* | cegcc*)
       ;;
     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'
+      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*)
-    # Native MSVC
+  *,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'
@@ -15809,7 +16780,7 @@ cygwin* | mingw* | pw32* | cegcc*)
       done
       IFS=$lt_save_ifs
       # Convert to MSYS style.
-      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'`
+      sys_lib_search_path_spec=`$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
@@ -15846,7 +16817,7 @@ cygwin* | mingw* | pw32* | cegcc*)
     ;;
 
   *)
-    # Assume MSVC wrapper
+    # 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'
     ;;
@@ -15878,7 +16849,7 @@ dgux*)
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
-freebsd* | dragonfly*)
+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
@@ -16071,9 +17042,10 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   shlibpath_overrides_runpath=no
 
   # Some binutils ld are patched to set DT_RUNPATH
-  if ${lt_cv_shlibpath_overrides_runpath+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  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
@@ -16083,19 +17055,21 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+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 :
+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.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
     LDFLAGS=$save_LDFLAGS
     libdir=$save_libdir
@@ -16327,8 +17301,8 @@ uts4*)
   dynamic_linker=no
   ;;
 esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
-$as_echo "$dynamic_linker" >&6; }
+{ printf "%s\n" "$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 $runpath_var"
@@ -16392,8 +17366,8 @@ configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
-$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
+    { printf "%s\n" "$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" ||
@@ -16417,8 +17391,8 @@ else
   # directories.
   hardcode_action_CXX=unsupported
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5
-$as_echo "$hardcode_action_CXX" >&6; }
+{ printf "%s\n" "$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
@@ -16493,11 +17467,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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.
@@ -16507,11 +17482,15 @@ else
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -16523,11 +17502,11 @@ esac
 fi
 PKG_CONFIG=$ac_cv_path_PKG_CONFIG
 if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+printf "%s\n" "$PKG_CONFIG" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -16536,11 +17515,12 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$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.
@@ -16550,11 +17530,15 @@ else
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -16566,11 +17550,11 @@ esac
 fi
 ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
 if test -n "$ac_pt_PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
-$as_echo "$ac_pt_PKG_CONFIG" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+printf "%s\n" "$ac_pt_PKG_CONFIG" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_pt_PKG_CONFIG" = x; then
@@ -16578,8 +17562,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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=$ac_pt_PKG_CONFIG
@@ -16591,48 +17575,51 @@ fi
 fi
 if test -n "$PKG_CONFIG"; then
 	_pkg_min_version=0.9.0
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
-$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; }
+	{ printf "%s\n" "$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
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 	else
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 		PKG_CONFIG=""
 	fi
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in libsodium" >&5
-$as_echo_n "checking whether we will be linking in libsodium... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in libsodium" >&5
+printf %s "checking whether we will be linking in libsodium... " >&6; }
 
 # Check whether --with-libsodium was given.
-if test "${with_libsodium+set}" = set; then :
+if test ${with_libsodium+y}
+then :
   withval=$with_libsodium; with_libsodium=$withval
-else
+else $as_nop
   with_libsodium=auto
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_libsodium" >&5
-$as_echo "$with_libsodium" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_libsodium" >&5
+printf "%s\n" "$with_libsodium" >&6; }
 
-  if test "x$with_libsodium" != "xno"; then :
+  if test "x$with_libsodium" != "xno"
+then :
 
-    if test "x$with_libsodium" = "xyes" -o "x$with_libsodium" = "xauto"; then :
+    if test "x$with_libsodium" = "xyes" -o "x$with_libsodium" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBSODIUM" >&5
-$as_echo_n "checking for LIBSODIUM... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libsodium" >&5
+printf %s "checking for libsodium... " >&6; }
 
 if test -n "$LIBSODIUM_CFLAGS"; then
     pkg_cv_LIBSODIUM_CFLAGS="$LIBSODIUM_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libsodium\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libsodium\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libsodium") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBSODIUM_CFLAGS=`$PKG_CONFIG --cflags "libsodium" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -16646,10 +17633,10 @@ if test -n "$LIBSODIUM_LIBS"; then
     pkg_cv_LIBSODIUM_LIBS="$LIBSODIUM_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libsodium\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libsodium\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libsodium") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBSODIUM_LIBS=`$PKG_CONFIG --libs "libsodium" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -16663,8 +17650,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -16672,42 +17659,61 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBSODIUM_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libsodium" 2>&1`
+                LIBSODIUM_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libsodium" 2>&1`
         else
-	        LIBSODIUM_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libsodium" 2>&1`
+                LIBSODIUM_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libsodium" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LIBSODIUM_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LIBSODIUM_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LIBSODIUM_CFLAGS=$pkg_cv_LIBSODIUM_CFLAGS
-	LIBSODIUM_LIBS=$pkg_cv_LIBSODIUM_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LIBSODIUM_CFLAGS=$pkg_cv_LIBSODIUM_CFLAGS
+        LIBSODIUM_LIBS=$pkg_cv_LIBSODIUM_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LIBSODIUM 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBSODIUM 1" >>confdefs.h
 
         save_CFLAGS=$CFLAGS
         save_LIBS=$LIBS
         CFLAGS="$LIBSODIUM_CFLAGS $CFLAGS"
         LIBS="$LIBSODIUM_LIBS $LIBS"
-        for ac_func in crypto_box_easy_afternm crypto_box_curve25519xchacha20poly1305_easy randombytes_stir sodium_memcmp crypto_shorthash
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+        ac_fn_cxx_check_func "$LINENO" "crypto_box_easy_afternm" "ac_cv_func_crypto_box_easy_afternm"
+if test "x$ac_cv_func_crypto_box_easy_afternm" = xyes
+then :
+  printf "%s\n" "#define HAVE_CRYPTO_BOX_EASY_AFTERNM 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "crypto_box_curve25519xchacha20poly1305_easy" "ac_cv_func_crypto_box_curve25519xchacha20poly1305_easy"
+if test "x$ac_cv_func_crypto_box_curve25519xchacha20poly1305_easy" = xyes
+then :
+  printf "%s\n" "#define HAVE_CRYPTO_BOX_CURVE25519XCHACHA20POLY1305_EASY 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "randombytes_stir" "ac_cv_func_randombytes_stir"
+if test "x$ac_cv_func_randombytes_stir" = xyes
+then :
+  printf "%s\n" "#define HAVE_RANDOMBYTES_STIR 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "sodium_memcmp" "ac_cv_func_sodium_memcmp"
+if test "x$ac_cv_func_sodium_memcmp" = xyes
+then :
+  printf "%s\n" "#define HAVE_SODIUM_MEMCMP 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "crypto_shorthash" "ac_cv_func_crypto_shorthash"
+if test "x$ac_cv_func_crypto_shorthash" = xyes
+then :
+  printf "%s\n" "#define HAVE_CRYPTO_SHORTHASH 1" >>confdefs.h
 
 fi
-done
 
         CFLAGS=$save_CFLAGS
         LIBS=$save_LIBS
@@ -16725,9 +17731,11 @@ else
   LIBSODIUM_FALSE=
 fi
 
-  if test "x$with_libsodium" = "xyes"; then :
+  if test "x$with_libsodium" = "xyes"
+then :
 
-    if test x"$LIBSODIUM_LIBS" = "x"; then :
+    if test x"$LIBSODIUM_LIBS" = "x"
+then :
 
       as_fn_error $? "libsodium requested but libraries were not found" "$LINENO" 5
 
@@ -16736,35 +17744,160 @@ fi
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will have dnstap" >&5
-$as_echo_n "checking whether we will have dnstap... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in quiche" >&5
+printf %s "checking whether we will be linking in quiche... " >&6; }
+  HAVE_QUICHE=0
+
+# Check whether --with-quiche was given.
+if test ${with_quiche+y}
+then :
+  withval=$with_quiche; with_quiche=$withval
+else $as_nop
+  with_quiche=auto
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_quiche" >&5
+printf "%s\n" "$with_quiche" >&6; }
+
+  if test "x$with_quiche" != "xno"
+then :
+
+    if test "x$with_quiche" = "xyes" -o "x$with_quiche" = "xauto"
+then :
+
+
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for quiche >= 0.15.0" >&5
+printf %s "checking for quiche >= 0.15.0... " >&6; }
+
+if test -n "$QUICHE_CFLAGS"; then
+    pkg_cv_QUICHE_CFLAGS="$QUICHE_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"quiche >= 0.15.0\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "quiche >= 0.15.0") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_QUICHE_CFLAGS=`$PKG_CONFIG --cflags "quiche >= 0.15.0" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$QUICHE_LIBS"; then
+    pkg_cv_QUICHE_LIBS="$QUICHE_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"quiche >= 0.15.0\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "quiche >= 0.15.0") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_QUICHE_LIBS=`$PKG_CONFIG --libs "quiche >= 0.15.0" 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 $_pkg_short_errors_supported = yes; then
+                QUICHE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "quiche >= 0.15.0" 2>&1`
+        else
+                QUICHE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "quiche >= 0.15.0" 2>&1`
+        fi
+        # Put the nasty error message in config.log where it belongs
+        echo "$QUICHE_PKG_ERRORS" >&5
+
+         :
+elif test $pkg_failed = untried; then
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
+else
+        QUICHE_CFLAGS=$pkg_cv_QUICHE_CFLAGS
+        QUICHE_LIBS=$pkg_cv_QUICHE_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+
+        HAVE_QUICHE=1
+
+printf "%s\n" "#define HAVE_QUICHE 1" >>confdefs.h
+
+
+fi
+
+fi
+
+fi
+   if test "x$QUICHE_LIBS" != "x"; then
+  HAVE_QUICHE_TRUE=
+  HAVE_QUICHE_FALSE='#'
+else
+  HAVE_QUICHE_TRUE='#'
+  HAVE_QUICHE_FALSE=
+fi
+
+  if test "x$with_quiche" = "xyes"
+then :
+
+    if test x"$QUICHE_LIBS" = "x"
+then :
+
+      as_fn_error $? "quiche requested but libraries were not found" "$LINENO" 5
+
+fi
+
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will have dnstap" >&5
+printf %s "checking whether we will have dnstap... " >&6; }
   # Check whether --enable-dnstap was given.
-if test "${enable_dnstap+set}" = set; then :
+if test ${enable_dnstap+y}
+then :
   enableval=$enable_dnstap; enable_dnstap=$enableval
-else
+else $as_nop
   enable_dnstap=auto
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_dnstap" >&5
-$as_echo "$enable_dnstap" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_dnstap" >&5
+printf "%s\n" "$enable_dnstap" >&6; }
 
-  if test "x$enable_dnstap" != "xno"; then :
+  if test "x$enable_dnstap" != "xno"
+then :
 
-    if test "x$enable_dnstap" = "xyes" -o "x$enable_dnstap" = "xauto"; then :
+    if test "x$enable_dnstap" = "xyes" -o "x$enable_dnstap" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FSTRM" >&5
-$as_echo_n "checking for FSTRM... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libfstrm" >&5
+printf %s "checking for libfstrm... " >&6; }
 
 if test -n "$FSTRM_CFLAGS"; then
     pkg_cv_FSTRM_CFLAGS="$FSTRM_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libfstrm\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libfstrm\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libfstrm") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_FSTRM_CFLAGS=`$PKG_CONFIG --cflags "libfstrm" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -16778,10 +17911,10 @@ if test -n "$FSTRM_LIBS"; then
     pkg_cv_FSTRM_LIBS="$FSTRM_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libfstrm\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libfstrm\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libfstrm") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_FSTRM_LIBS=`$PKG_CONFIG --libs "libfstrm" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -16795,8 +17928,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -16804,41 +17937,37 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        FSTRM_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libfstrm" 2>&1`
+                FSTRM_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libfstrm" 2>&1`
         else
-	        FSTRM_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libfstrm" 2>&1`
+                FSTRM_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libfstrm" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$FSTRM_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$FSTRM_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	FSTRM_CFLAGS=$pkg_cv_FSTRM_CFLAGS
-	FSTRM_LIBS=$pkg_cv_FSTRM_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        FSTRM_CFLAGS=$pkg_cv_FSTRM_CFLAGS
+        FSTRM_LIBS=$pkg_cv_FSTRM_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_FSTRM 1" >>confdefs.h
+printf "%s\n" "#define HAVE_FSTRM 1" >>confdefs.h
 
         save_CFLAGS=$CFLAGS
         save_LIBS=$LIBS
         CFLAGS="$FSTRM_CFLAGS $CFLAGS"
         LIBS="$FSTRM_LIBS $LIBS"
-        for ac_func in fstrm_tcp_writer_init
-do :
-  ac_fn_cxx_check_func "$LINENO" "fstrm_tcp_writer_init" "ac_cv_func_fstrm_tcp_writer_init"
-if test "x$ac_cv_func_fstrm_tcp_writer_init" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_FSTRM_TCP_WRITER_INIT 1
-_ACEOF
+        ac_fn_cxx_check_func "$LINENO" "fstrm_tcp_writer_init" "ac_cv_func_fstrm_tcp_writer_init"
+if test "x$ac_cv_func_fstrm_tcp_writer_init" = xyes
+then :
+  printf "%s\n" "#define HAVE_FSTRM_TCP_WRITER_INIT 1" >>confdefs.h
 
 fi
-done
 
         CFLAGS=$save_CFLAGS
         LIBS=$save_LIBS
@@ -16857,9 +17986,11 @@ else
   FSTRM_FALSE=
 fi
 
-  if test "x$enable_dnstap" = "xyes"; then :
+  if test "x$enable_dnstap" = "xyes"
+then :
 
-    if test x"$FSTRM_LIBS" = "x"; then :
+    if test x"$FSTRM_LIBS" = "x"
+then :
 
       as_fn_error $? "dnstap requested but libfstrm was not found" "$LINENO" 5
 
@@ -16870,11 +18001,12 @@ fi
 
   # Extract the first word of "ragel", so it can be a program name with args.
 set dummy ragel; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RAGEL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_RAGEL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$RAGEL"; then
   ac_cv_prog_RAGEL="$RAGEL" # Let the user override the test.
 else
@@ -16882,11 +18014,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_RAGEL="ragel"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -16897,11 +18033,11 @@ fi
 fi
 RAGEL=$ac_cv_prog_RAGEL
 if test -n "$RAGEL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RAGEL" >&5
-$as_echo "$RAGEL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RAGEL" >&5
+printf "%s\n" "$RAGEL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -16912,37 +18048,40 @@ fi
   fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to link in libedit" >&5
-$as_echo_n "checking whether to link in libedit... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to link in libedit" >&5
+printf %s "checking whether to link in libedit... " >&6; }
 
 # Check whether --with-libedit was given.
-if test "${with_libedit+set}" = set; then :
+if test ${with_libedit+y}
+then :
   withval=$with_libedit; with_libedit=$enableval
-else
+else $as_nop
   with_libedit=yes
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_libedit" >&5
-$as_echo "$with_libedit" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_libedit" >&5
+printf "%s\n" "$with_libedit" >&6; }
 
-  if test "x$with_libedit" != "xno"; then :
+  if test "x$with_libedit" != "xno"
+then :
 
-    if test "x$with_libedit" = "xyes" -o "x$with_libedit" = "xauto"; then :
+    if test "x$with_libedit" = "xyes" -o "x$with_libedit" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBEDIT" >&5
-$as_echo_n "checking for LIBEDIT... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libedit" >&5
+printf %s "checking for libedit... " >&6; }
 
 if test -n "$LIBEDIT_CFLAGS"; then
     pkg_cv_LIBEDIT_CFLAGS="$LIBEDIT_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libedit\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libedit\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libedit") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBEDIT_CFLAGS=`$PKG_CONFIG --cflags "libedit" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -16956,10 +18095,10 @@ if test -n "$LIBEDIT_LIBS"; then
     pkg_cv_LIBEDIT_LIBS="$LIBEDIT_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libedit\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libedit\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libedit") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBEDIT_LIBS=`$PKG_CONFIG --libs "libedit" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -16973,8 +18112,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -16982,27 +18121,27 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBEDIT_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libedit" 2>&1`
+                LIBEDIT_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libedit" 2>&1`
         else
-	        LIBEDIT_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libedit" 2>&1`
+                LIBEDIT_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libedit" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LIBEDIT_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LIBEDIT_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LIBEDIT_CFLAGS=$pkg_cv_LIBEDIT_CFLAGS
-	LIBEDIT_LIBS=$pkg_cv_LIBEDIT_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LIBEDIT_CFLAGS=$pkg_cv_LIBEDIT_CFLAGS
+        LIBEDIT_LIBS=$pkg_cv_LIBEDIT_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
         HAVE_LIBEDIT=1
 
-$as_echo "#define HAVE_LIBEDIT 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBEDIT 1" >>confdefs.h
 
 
 fi
@@ -17018,9 +18157,11 @@ else
   HAVE_LIBEDIT_FALSE=
 fi
 
-  if test "x$with_libedit" = "xyes"; then :
+  if test "x$with_libedit" = "xyes"
+then :
 
-    if test x"$LIBEDIT_LIBS" = "x"; then :
+    if test x"$LIBEDIT_LIBS" = "x"
+then :
 
       as_fn_error $? "libedit support requested but library not found" "$LINENO" 5
 
@@ -17030,61 +18171,63 @@ fi
 
 
   OLD_LIBS="$LIBS"; LIBS=""
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
-$as_echo_n "checking for library containing clock_gettime... " >&6; }
-if ${ac_cv_search_clock_gettime+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
+printf %s "checking for library containing clock_gettime... " >&6; }
+if test ${ac_cv_search_clock_gettime+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char clock_gettime ();
+namespace conftest {
+  extern "C" int clock_gettime ();
+}
 int
-main ()
+main (void)
 {
-return clock_gettime ();
+return conftest::clock_gettime ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' rt; do
+for ac_lib in '' rt
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_clock_gettime=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_clock_gettime+:} false; then :
+  if test ${ac_cv_search_clock_gettime+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_clock_gettime+:} false; then :
+if test ${ac_cv_search_clock_gettime+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_clock_gettime=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
-$as_echo "$ac_cv_search_clock_gettime" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
+printf "%s\n" "$ac_cv_search_clock_gettime" >&6; }
 ac_res=$ac_cv_search_clock_gettime
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-$as_echo "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
+printf "%s\n" "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
 
 fi
 
@@ -17104,10 +18247,10 @@ fi
     ;;
   solaris2.8 | solaris2.9 )
 
-$as_echo "#define NEED_POSIX_TYPEDEF /**/" >>confdefs.h
+printf "%s\n" "#define NEED_POSIX_TYPEDEF /**/" >>confdefs.h
 
 
-$as_echo "#define NEED_INET_NTOP_PROTO /**/" >>confdefs.h
+printf "%s\n" "#define NEED_INET_NTOP_PROTO /**/" >>confdefs.h
 
     LIBS="-lposix4 -lpthread $LIBS"
     CXXFLAGS="-D_REENTRANT $CXXFLAGS"
@@ -17176,13 +18319,13 @@ else
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -latomic is needed for __atomic builtins" >&5
-$as_echo_n "checking whether -latomic is needed for __atomic builtins... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -latomic is needed for __atomic builtins" >&5
+printf %s "checking whether -latomic is needed for __atomic builtins... " >&6; }
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdint.h>
 int
-main ()
+main (void)
 {
 uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);
 
@@ -17190,16 +18333,17 @@ uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-else
+if ac_fn_cxx_try_link "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+else $as_nop
   LIBS="$LIBS -latomic"
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdint.h>
 int
-main ()
+main (void)
 {
 uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);
 
@@ -17207,21 +18351,22 @@ uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+if ac_fn_cxx_try_link "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "libatomic needed, but linking with -latomic failed, cannot continue
 See \`config.log' for more details" "$LINENO" 5; }
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 
 
@@ -17232,23 +18377,18 @@ rm -f core conftest.err conftest.$ac_objext \
   stored_LIBS="$LIBS"
   LIBS="-lpthread"
   # pthread setname (4 non-portable variants...)
-  for ac_header in pthread_np.h
-do :
   ac_fn_cxx_check_header_compile "$LINENO" "pthread_np.h" "ac_cv_header_pthread_np_h" "#include <pthread.h>
 "
-if test "x$ac_cv_header_pthread_np_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_PTHREAD_NP_H 1
-_ACEOF
+if test "x$ac_cv_header_pthread_np_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_PTHREAD_NP_H 1" >>confdefs.h
 
 fi
 
-done
-
 
   # 2-arg setname (e.g. Linux/glibc, QNX, IBM)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 2-arg pthread_setname_np" >&5
-$as_echo_n "checking for 2-arg pthread_setname_np... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 2-arg pthread_setname_np" >&5
+printf %s "checking for 2-arg pthread_setname_np... " >&6; }
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -17258,7 +18398,7 @@ $as_echo_n "checking for 2-arg pthread_setname_np... " >&6; }
     #endif
 
 int
-main ()
+main (void)
 {
 
       pthread_setname_np(pthread_self(), "foo")
@@ -17267,22 +18407,23 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
 
-$as_echo "#define HAVE_PTHREAD_SETNAME_NP_2 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_SETNAME_NP_2 1" >>confdefs.h
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
-else
+else $as_nop
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
     # 2-arg set_name (e.g. FreeBSD, OpenBSD)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 2-arg pthread_set_name_np" >&5
-$as_echo_n "checking for 2-arg pthread_set_name_np... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 2-arg pthread_set_name_np" >&5
+printf %s "checking for 2-arg pthread_set_name_np... " >&6; }
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -17292,7 +18433,7 @@ $as_echo_n "checking for 2-arg pthread_set_name_np... " >&6; }
     #endif
 
 int
-main ()
+main (void)
 {
 
         return pthread_set_name_np(pthread_self(), "foo");
@@ -17301,22 +18442,23 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
 
-$as_echo "#define HAVE_PTHREAD_SET_NAME_NP_2 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_SET_NAME_NP_2 1" >>confdefs.h
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
-else
+else $as_nop
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
       # 2-arg void set_name (e.g. FreeBSD, OpenBSD)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 2-arg void pthread_set_name_np" >&5
-$as_echo_n "checking for 2-arg void pthread_set_name_np... " >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 2-arg void pthread_set_name_np" >&5
+printf %s "checking for 2-arg void pthread_set_name_np... " >&6; }
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -17326,7 +18468,7 @@ $as_echo_n "checking for 2-arg void pthread_set_name_np... " >&6; }
     #endif
 
 int
-main ()
+main (void)
 {
 
           pthread_set_name_np(pthread_self(), "foo");
@@ -17335,22 +18477,23 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
 
-$as_echo "#define HAVE_PTHREAD_SET_NAME_NP_2_VOID 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_SET_NAME_NP_2_VOID 1" >>confdefs.h
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
-else
+else $as_nop
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
         # 1-arg setname (e.g. Darwin)
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 1-arg pthread_setname_np" >&5
-$as_echo_n "checking for 1-arg pthread_setname_np... " >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 1-arg pthread_setname_np" >&5
+printf %s "checking for 1-arg pthread_setname_np... " >&6; }
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -17360,7 +18503,7 @@ $as_echo_n "checking for 1-arg pthread_setname_np... " >&6; }
     #endif
 
 int
-main ()
+main (void)
 {
 
             return pthread_setname_np("foo");
@@ -17369,22 +18512,23 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
 
-$as_echo "#define HAVE_PTHREAD_SETNAME_NP_1 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_SETNAME_NP_1 1" >>confdefs.h
 
-          { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
-else
+else $as_nop
 
-          { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
           # 3-arg setname (e.g. NetBSD)
-          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 3-arg pthread_setname_np" >&5
-$as_echo_n "checking for 3-arg pthread_setname_np... " >&6; }
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 3-arg pthread_setname_np" >&5
+printf %s "checking for 3-arg pthread_setname_np... " >&6; }
           cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -17394,7 +18538,7 @@ $as_echo_n "checking for 3-arg pthread_setname_np... " >&6; }
     #endif
 
 int
-main ()
+main (void)
 {
 
               return pthread_setname_np(pthread_self(), "foo", NULL);
@@ -17403,569 +18547,678 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
 
-$as_echo "#define HAVE_PTHREAD_SETNAME_NP_3 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_SETNAME_NP_3 1" >>confdefs.h
 
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
-else
+else $as_nop
 
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   LIBS=$stored_LIBS
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX options needed to detect all undeclared functions" >&5
+printf %s "checking for $CXX options needed to detect all undeclared functions... " >&6; }
+if test ${ac_cv_cxx_undeclared_builtin_options+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_CFLAGS=$CFLAGS
+   ac_cv_cxx_undeclared_builtin_options='cannot detect'
+   for ac_arg in '' -fno-builtin; do
+     CFLAGS="$ac_save_CFLAGS $ac_arg"
+     # This test program should *not* compile successfully.
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing inet_aton" >&5
-$as_echo_n "checking for library containing inet_aton... " >&6; }
-if ${ac_cv_search_inet_aton+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+int
+main (void)
+{
+(void) strchr;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+else $as_nop
+  # This test program should compile successfully.
+        # No library function is consistently available on
+        # freestanding implementations, so test against a dummy
+        # declaration.  Include always-available headers on the
+        # off chance that they somehow elicit warnings.
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <float.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stddef.h>
+extern void ac_decl (int, char *);
+
+int
+main (void)
+{
+(void) ac_decl (0, (char *) 0);
+  (void) ac_decl;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  if test x"$ac_arg" = x
+then :
+  ac_cv_cxx_undeclared_builtin_options='none needed'
+else $as_nop
+  ac_cv_cxx_undeclared_builtin_options=$ac_arg
+fi
+          break
+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
+    done
+    CFLAGS=$ac_save_CFLAGS
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_undeclared_builtin_options" >&5
+printf "%s\n" "$ac_cv_cxx_undeclared_builtin_options" >&6; }
+  case $ac_cv_cxx_undeclared_builtin_options in #(
+  'cannot detect') :
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot make $CXX report undeclared builtins
+See \`config.log' for more details" "$LINENO" 5; } ;; #(
+  'none needed') :
+    ac_cxx_undeclared_builtin_options='' ;; #(
+  *) :
+    ac_cxx_undeclared_builtin_options=$ac_cv_cxx_undeclared_builtin_options ;;
+esac
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing inet_aton" >&5
+printf %s "checking for library containing inet_aton... " >&6; }
+if test ${ac_cv_search_inet_aton+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char inet_aton ();
+namespace conftest {
+  extern "C" int inet_aton ();
+}
 int
-main ()
+main (void)
 {
-return inet_aton ();
+return conftest::inet_aton ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' resolv; do
+for ac_lib in '' resolv
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_inet_aton=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_inet_aton+:} false; then :
+  if test ${ac_cv_search_inet_aton+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_inet_aton+:} false; then :
+if test ${ac_cv_search_inet_aton+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_inet_aton=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_inet_aton" >&5
-$as_echo "$ac_cv_search_inet_aton" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_inet_aton" >&5
+printf "%s\n" "$ac_cv_search_inet_aton" >&6; }
 ac_res=$ac_cv_search_inet_aton
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyname" >&5
-$as_echo_n "checking for library containing gethostbyname... " >&6; }
-if ${ac_cv_search_gethostbyname+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyname" >&5
+printf %s "checking for library containing gethostbyname... " >&6; }
+if test ${ac_cv_search_gethostbyname+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gethostbyname ();
+namespace conftest {
+  extern "C" int gethostbyname ();
+}
 int
-main ()
+main (void)
 {
-return gethostbyname ();
+return conftest::gethostbyname ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' nsl; do
+for ac_lib in '' nsl
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_gethostbyname=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_gethostbyname+:} false; then :
+  if test ${ac_cv_search_gethostbyname+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_gethostbyname+:} false; then :
+if test ${ac_cv_search_gethostbyname+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_gethostbyname=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5
-$as_echo "$ac_cv_search_gethostbyname" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5
+printf "%s\n" "$ac_cv_search_gethostbyname" >&6; }
 ac_res=$ac_cv_search_gethostbyname
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5
-$as_echo_n "checking for library containing socket... " >&6; }
-if ${ac_cv_search_socket+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5
+printf %s "checking for library containing socket... " >&6; }
+if test ${ac_cv_search_socket+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char socket ();
+namespace conftest {
+  extern "C" int socket ();
+}
 int
-main ()
+main (void)
 {
-return socket ();
+return conftest::socket ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' socket; do
+for ac_lib in '' socket
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_socket=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_socket+:} false; then :
+  if test ${ac_cv_search_socket+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_socket+:} false; then :
+if test ${ac_cv_search_socket+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_socket=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_socket" >&5
-$as_echo "$ac_cv_search_socket" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_socket" >&5
+printf "%s\n" "$ac_cv_search_socket" >&6; }
 ac_res=$ac_cv_search_socket
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostent" >&5
-$as_echo_n "checking for library containing gethostent... " >&6; }
-if ${ac_cv_search_gethostent+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing gethostent" >&5
+printf %s "checking for library containing gethostent... " >&6; }
+if test ${ac_cv_search_gethostent+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gethostent ();
+namespace conftest {
+  extern "C" int gethostent ();
+}
 int
-main ()
+main (void)
 {
-return gethostent ();
+return conftest::gethostent ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' nsl; do
+for ac_lib in '' nsl
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_gethostent=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_gethostent+:} false; then :
+  if test ${ac_cv_search_gethostent+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_gethostent+:} false; then :
+if test ${ac_cv_search_gethostent+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_gethostent=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostent" >&5
-$as_echo "$ac_cv_search_gethostent" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostent" >&5
+printf "%s\n" "$ac_cv_search_gethostent" >&6; }
 ac_res=$ac_cv_search_gethostent
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-  for ac_func in recvmmsg sendmmsg accept4
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+  ac_fn_cxx_check_func "$LINENO" "recvmmsg" "ac_cv_func_recvmmsg"
+if test "x$ac_cv_func_recvmmsg" = xyes
+then :
+  printf "%s\n" "#define HAVE_RECVMMSG 1" >>confdefs.h
 
 fi
-done
+ac_fn_cxx_check_func "$LINENO" "sendmmsg" "ac_cv_func_sendmmsg"
+if test "x$ac_cv_func_sendmmsg" = xyes
+then :
+  printf "%s\n" "#define HAVE_SENDMMSG 1" >>confdefs.h
 
-  ac_fn_cxx_check_decl "$LINENO" "getifaddrs" "ac_cv_have_decl_getifaddrs" "#include <ifaddrs.h>
-"
-if test "x$ac_cv_have_decl_getifaddrs" = xyes; then :
-
-$as_echo "#define HAVE_GETIFADDRS 1" >>confdefs.h
+fi
+ac_fn_cxx_check_func "$LINENO" "accept4" "ac_cv_func_accept4"
+if test "x$ac_cv_func_accept4" = xyes
+then :
+  printf "%s\n" "#define HAVE_ACCEPT4 1" >>confdefs.h
 
 fi
 
+  ac_fn_check_decl "$LINENO" "getifaddrs" "ac_cv_have_decl_getifaddrs" "#include <ifaddrs.h>
+" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl_getifaddrs" = xyes
+then :
 
+printf "%s\n" "#define HAVE_GETIFADDRS 1" >>confdefs.h
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_setaffinity_np" >&5
-$as_echo_n "checking for library containing pthread_setaffinity_np... " >&6; }
-if ${ac_cv_search_pthread_setaffinity_np+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_setaffinity_np" >&5
+printf %s "checking for library containing pthread_setaffinity_np... " >&6; }
+if test ${ac_cv_search_pthread_setaffinity_np+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pthread_setaffinity_np ();
+namespace conftest {
+  extern "C" int pthread_setaffinity_np ();
+}
 int
-main ()
+main (void)
 {
-return pthread_setaffinity_np ();
+return conftest::pthread_setaffinity_np ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' pthread; do
+for ac_lib in '' pthread
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_pthread_setaffinity_np=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pthread_setaffinity_np+:} false; then :
+  if test ${ac_cv_search_pthread_setaffinity_np+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pthread_setaffinity_np+:} false; then :
+if test ${ac_cv_search_pthread_setaffinity_np+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pthread_setaffinity_np=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_setaffinity_np" >&5
-$as_echo "$ac_cv_search_pthread_setaffinity_np" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_setaffinity_np" >&5
+printf "%s\n" "$ac_cv_search_pthread_setaffinity_np" >&6; }
 ac_res=$ac_cv_search_pthread_setaffinity_np
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-$as_echo "#define HAVE_PTHREAD_SETAFFINITY_NP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_SETAFFINITY_NP 1" >>confdefs.h
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_getattr_np" >&5
-$as_echo_n "checking for library containing pthread_getattr_np... " >&6; }
-if ${ac_cv_search_pthread_getattr_np+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_getattr_np" >&5
+printf %s "checking for library containing pthread_getattr_np... " >&6; }
+if test ${ac_cv_search_pthread_getattr_np+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pthread_getattr_np ();
+namespace conftest {
+  extern "C" int pthread_getattr_np ();
+}
 int
-main ()
+main (void)
 {
-return pthread_getattr_np ();
+return conftest::pthread_getattr_np ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' pthread; do
+for ac_lib in '' pthread
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_pthread_getattr_np=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pthread_getattr_np+:} false; then :
+  if test ${ac_cv_search_pthread_getattr_np+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pthread_getattr_np+:} false; then :
+if test ${ac_cv_search_pthread_getattr_np+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pthread_getattr_np=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_getattr_np" >&5
-$as_echo "$ac_cv_search_pthread_getattr_np" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_getattr_np" >&5
+printf "%s\n" "$ac_cv_search_pthread_getattr_np" >&6; }
 ac_res=$ac_cv_search_pthread_getattr_np
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-$as_echo "#define HAVE_PTHREAD_GETATTR_NP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_GETATTR_NP 1" >>confdefs.h
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_get_stackaddr_np" >&5
-$as_echo_n "checking for library containing pthread_get_stackaddr_np... " >&6; }
-if ${ac_cv_search_pthread_get_stackaddr_np+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_get_stackaddr_np" >&5
+printf %s "checking for library containing pthread_get_stackaddr_np... " >&6; }
+if test ${ac_cv_search_pthread_get_stackaddr_np+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pthread_get_stackaddr_np ();
+namespace conftest {
+  extern "C" int pthread_get_stackaddr_np ();
+}
 int
-main ()
+main (void)
 {
-return pthread_get_stackaddr_np ();
+return conftest::pthread_get_stackaddr_np ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' pthread; do
+for ac_lib in '' pthread
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_pthread_get_stackaddr_np=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pthread_get_stackaddr_np+:} false; then :
+  if test ${ac_cv_search_pthread_get_stackaddr_np+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pthread_get_stackaddr_np+:} false; then :
+if test ${ac_cv_search_pthread_get_stackaddr_np+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pthread_get_stackaddr_np=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_get_stackaddr_np" >&5
-$as_echo "$ac_cv_search_pthread_get_stackaddr_np" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_get_stackaddr_np" >&5
+printf "%s\n" "$ac_cv_search_pthread_get_stackaddr_np" >&6; }
 ac_res=$ac_cv_search_pthread_get_stackaddr_np
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-$as_echo "#define HAVE_PTHREAD_GET_STACKADDR_NP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_GET_STACKADDR_NP 1" >>confdefs.h
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_get_stacksize_np" >&5
-$as_echo_n "checking for library containing pthread_get_stacksize_np... " >&6; }
-if ${ac_cv_search_pthread_get_stacksize_np+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_get_stacksize_np" >&5
+printf %s "checking for library containing pthread_get_stacksize_np... " >&6; }
+if test ${ac_cv_search_pthread_get_stacksize_np+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pthread_get_stacksize_np ();
+namespace conftest {
+  extern "C" int pthread_get_stacksize_np ();
+}
 int
-main ()
+main (void)
 {
-return pthread_get_stacksize_np ();
+return conftest::pthread_get_stacksize_np ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' pthread; do
+for ac_lib in '' pthread
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_pthread_get_stacksize_np=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pthread_get_stacksize_np+:} false; then :
+  if test ${ac_cv_search_pthread_get_stacksize_np+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pthread_get_stacksize_np+:} false; then :
+if test ${ac_cv_search_pthread_get_stacksize_np+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pthread_get_stacksize_np=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_get_stacksize_np" >&5
-$as_echo "$ac_cv_search_pthread_get_stacksize_np" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_get_stacksize_np" >&5
+printf "%s\n" "$ac_cv_search_pthread_get_stacksize_np" >&6; }
 ac_res=$ac_cv_search_pthread_get_stacksize_np
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-$as_echo "#define HAVE_PTHREAD_GET_STACKSIZE_NP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PTHREAD_GET_STACKSIZE_NP 1" >>confdefs.h
 
 fi
 
 
 
-  for ac_func in explicit_bzero explicit_memset
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+  ac_fn_cxx_check_func "$LINENO" "explicit_bzero" "ac_cv_func_explicit_bzero"
+if test "x$ac_cv_func_explicit_bzero" = xyes
+then :
+  printf "%s\n" "#define HAVE_EXPLICIT_BZERO 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "explicit_memset" "ac_cv_func_explicit_memset"
+if test "x$ac_cv_func_explicit_memset" = xyes
+then :
+  printf "%s\n" "#define HAVE_EXPLICIT_MEMSET 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "memset_s" "ac_cv_func_memset_s"
+if test "x$ac_cv_func_memset_s" = xyes
+then :
+  printf "%s\n" "#define HAVE_MEMSET_S 1" >>confdefs.h
 
 fi
-done
 
 
-ac_fn_cxx_check_decl "$LINENO" "strerror_r" "ac_cv_have_decl_strerror_r" "$ac_includes_default"
-if test "x$ac_cv_have_decl_strerror_r" = xyes; then :
+ac_fn_check_decl "$LINENO" "strerror_r" "ac_cv_have_decl_strerror_r" "$ac_includes_default" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl_strerror_r" = xyes
+then :
   ac_have_decl=1
-else
+else $as_nop
   ac_have_decl=0
 fi
+printf "%s\n" "#define HAVE_DECL_STRERROR_R $ac_have_decl" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_STRERROR_R $ac_have_decl
-_ACEOF
 
-for ac_func in strerror_r
-do :
-  ac_fn_cxx_check_func "$LINENO" "strerror_r" "ac_cv_func_strerror_r"
-if test "x$ac_cv_func_strerror_r" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_STRERROR_R 1
-_ACEOF
+if test $ac_cv_have_decl_strerror_r = yes; then
+  # For backward compatibility's sake, define HAVE_STRERROR_R.
+  # (We used to run AC_CHECK_FUNCS_ONCE for strerror_r, as well
+  # as AC_CHECK_DECLS_ONCE.)
+
+printf "%s\n" "#define HAVE_STRERROR_R 1" >>confdefs.h
 
 fi
-done
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether strerror_r returns char *" >&5
-$as_echo_n "checking whether strerror_r returns char *... " >&6; }
-if ${ac_cv_func_strerror_r_char_p+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether strerror_r returns char *" >&5
+printf %s "checking whether strerror_r returns char *... " >&6; }
+if test ${ac_cv_func_strerror_r_char_p+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     ac_cv_func_strerror_r_char_p=no
     if test $ac_cv_have_decl_strerror_r = yes; then
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
+#include <string.h>
 int
-main ()
+main (void)
 {
 
 	  char buf[100];
@@ -17977,49 +19230,20 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_cv_func_strerror_r_char_p=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    else
-      # strerror_r is not declared.  Choose between
-      # systems that have relatively inaccessible declarations for the
-      # function.  BeOS and DEC UNIX 4.0 fall in this category, but the
-      # former has a strerror_r that returns char*, while the latter
-      # has a strerror_r that returns `int'.
-      # This test should segfault on the DEC system.
-      if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_includes_default
-	extern char *strerror_r ();
-int
-main ()
-{
-char buf[100];
-	  char x = *strerror_r (0, buf, sizeof buf);
-	  return ! isalpha (x);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_run "$LINENO"; then :
-  ac_cv_func_strerror_r_char_p=yes
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
     fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_strerror_r_char_p" >&5
-$as_echo "$ac_cv_func_strerror_r_char_p" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_strerror_r_char_p" >&5
+printf "%s\n" "$ac_cv_func_strerror_r_char_p" >&6; }
 if test $ac_cv_func_strerror_r_char_p = yes; then
 
-$as_echo "#define STRERROR_R_CHAR_P 1" >>confdefs.h
+printf "%s\n" "#define STRERROR_R_CHAR_P 1" >>confdefs.h
 
 fi
 
@@ -18036,28 +19260,30 @@ boost_version_req=`expr "$1" '*' 100000 + "$2" '*' 100 + "$3"`
 boost_version_req_string=$1.$2.$3
 
 # Check whether --with-boost was given.
-if test "${with_boost+set}" = set; then :
+if test ${with_boost+y}
+then :
   withval=$with_boost;
 fi
 # If BOOST_ROOT is set and the user has not provided a value to
 # --with-boost, then treat BOOST_ROOT as if it the user supplied it.
 if test x"$BOOST_ROOT" != x; then
   if test x"$with_boost" = x; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT" >&5
-$as_echo "$as_me: Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT" >&5
+printf "%s\n" "$as_me: Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT" >&6;}
     with_boost=$BOOST_ROOT
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost" >&5
-$as_echo "$as_me: Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost" >&5
+printf "%s\n" "$as_me: Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost" >&6;}
   fi
 fi
 DISTCHECK_CONFIGURE_FLAGS="$DISTCHECK_CONFIGURE_FLAGS '--with-boost=$with_boost'"
 boost_save_CPPFLAGS=$CPPFLAGS
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Boost headers version >= $boost_version_req_string" >&5
-$as_echo_n "checking for Boost headers version >= $boost_version_req_string... " >&6; }
-if ${boost_cv_inc_path+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Boost headers version >= $boost_version_req_string" >&5
+printf %s "checking for Boost headers version >= $boost_version_req_string... " >&6; }
+if test ${boost_cv_inc_path+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   boost_cv_inc_path=no
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -18074,7 +19300,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 #endif
 
 int
-main ()
+main (void)
 {
 
   ;
@@ -18124,12 +19350,13 @@ _ACEOF
         test -e "$boost_inc/boost/version.hpp" || continue
         CPPFLAGS="$CPPFLAGS -I$boost_inc"
       fi
-      if ac_fn_cxx_try_compile "$LINENO"; then :
+      if ac_fn_cxx_try_compile "$LINENO"
+then :
   boost_cv_inc_path=yes
-else
+else $as_nop
   boost_cv_version=no
 fi
-rm -f core conftest.err conftest.$ac_objext
+rm -f core conftest.err conftest.$ac_objext conftest.beam
       if test x"$boost_cv_inc_path" = xyes; then
         if test x"$boost_inc" != x; then
           boost_cv_inc_path=$boost_inc
@@ -18145,8 +19372,8 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $boost_cv_inc_path" >&5
-$as_echo "$boost_cv_inc_path" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $boost_cv_inc_path" >&5
+printf "%s\n" "$boost_cv_inc_path" >&6; }
     case $boost_cv_inc_path in #(
       no)
         boost_errmsg="cannot find Boost headers version >= $boost_version_req_string"
@@ -18162,13 +19389,14 @@ $as_echo "$boost_cv_inc_path" >&6; }
     esac
   if test x"$boost_cv_inc_path" != xno; then
 
-$as_echo "#define HAVE_BOOST 1" >>confdefs.h
+printf "%s\n" "#define HAVE_BOOST 1" >>confdefs.h
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Boost's header version" >&5
-$as_echo_n "checking for Boost's header version... " >&6; }
-if ${boost_cv_lib_version+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Boost's header version" >&5
+printf %s "checking for Boost's header version... " >&6; }
+if test ${boost_cv_lib_version+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
        ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -18184,7 +19412,8 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   grep -v '^[[:space:]]*$' |
   tr -d '\r' |
   tr -s '\n' ' ' |
-  $SED -n -e "/^boost-lib-version = /{s///;s/[\" ]//g;p;q;}" >conftest.i 2>&1; then :
+  $SED -n -e "/^boost-lib-version = /{s///;s/[\" ]//g;p;q;}" >conftest.i 2>&1
+then :
   boost_cv_lib_version=`cat conftest.i`
 fi
 rm -rf conftest*
@@ -18195,8 +19424,8 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $boost_cv_lib_version" >&5
-$as_echo "$boost_cv_lib_version" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $boost_cv_lib_version" >&5
+printf "%s\n" "$boost_cv_lib_version" >&6; }
     # e.g. "134" for 1_34_1 or "135" for 1_35
     boost_major_version=`echo "$boost_cv_lib_version" | sed 's/_//;s/_.*//'`
     case $boost_major_version in #(
@@ -18208,11 +19437,12 @@ fi
 CPPFLAGS=$boost_save_CPPFLAGS
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the toolset name used by Boost for $CXX" >&5
-$as_echo_n "checking for the toolset name used by Boost for $CXX... " >&6; }
-if ${boost_cv_lib_tag+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the toolset name used by Boost for $CXX" >&5
+printf %s "checking for the toolset name used by Boost for $CXX... " >&6; }
+if test ${boost_cv_lib_tag+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   boost_cv_lib_tag=unknown
 if test x$boost_cv_inc_path != xno; then
   ac_ext=cpp
@@ -18234,6 +19464,9 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   # I'm not sure about my test for `il' (be careful: Intel's ICC pre-defines
   # the same defines as GCC's).
   for i in \
+    "defined __clang__ && __clang_major__ == 17 && __clang_minor__ == 0 @ clang170" \
+    "defined __clang__ && __clang_major__ == 16 && __clang_minor__ == 0 @ clang160" \
+    "defined __clang__ && __clang_major__ == 15 && __clang_minor__ == 0 @ clang150" \
     "defined __clang__ && __clang_major__ == 14 && __clang_minor__ == 0 @ clang140" \
     "defined __clang__ && __clang_major__ == 13 && __clang_minor__ == 0 @ clang130" \
     "defined __clang__ && __clang_major__ == 12 && __clang_minor__ == 0 @ clang120" \
@@ -18450,17 +19683,18 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 #endif
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   boost_cv_lib_tag=$boost_tag; break
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   done
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -18485,19 +19719,20 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
       boost_cv_lib_tag="$boost_tag_x$boost_cv_lib_tag -${boost_tag_x}gcc"
       ;; #(
     unknown)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: could not figure out which toolset name to use for $CXX" >&5
-$as_echo "$as_me: WARNING: could not figure out which toolset name to use for $CXX" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: could not figure out which toolset name to use for $CXX" >&5
+printf "%s\n" "$as_me: WARNING: could not figure out which toolset name to use for $CXX" >&2;}
       boost_cv_lib_tag=
       ;;
   esac
 fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $boost_cv_lib_tag" >&5
-$as_echo "$boost_cv_lib_tag" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $boost_cv_lib_tag" >&5
+printf "%s\n" "$boost_cv_lib_tag" >&6; }
 # Check whether --enable-static-boost was given.
-if test "${enable_static_boost+set}" = set; then :
+if test ${enable_static_boost+y}
+then :
   enableval=$enable_static_boost; enable_static_boost=yes
-else
+else $as_nop
   enable_static_boost=no
 fi
 
@@ -18517,19 +19752,20 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #endif
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   boost_guess_use_mt=:
-else
+else $as_nop
   boost_guess_use_mt=false
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -18537,18 +19773,19 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable unit test building" >&5
-$as_echo_n "checking whether to enable unit test building... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable unit test building" >&5
+printf %s "checking whether to enable unit test building... " >&6; }
   # Check whether --enable-unit-tests was given.
-if test "${enable_unit_tests+set}" = set; then :
+if test ${enable_unit_tests+y}
+then :
   enableval=$enable_unit_tests; enable_unit_tests=$enableval
-else
+else $as_nop
   enable_unit_tests=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_unit_tests" >&5
-$as_echo "$enable_unit_tests" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_unit_tests" >&5
+printf "%s\n" "$enable_unit_tests" >&6; }
    if test "x$enable_unit_tests" != "xno"; then
   UNIT_TESTS_TRUE=
   UNIT_TESTS_FALSE='#'
@@ -18558,18 +19795,20 @@ else
 fi
 
 
-  if test "x$enable_unit_tests" != "xno"; then :
+  if test "x$enable_unit_tests" != "xno"
+then :
 
      if test x"$boost_cv_inc_path" = xno; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for the Boost unit_test_framework library" >&5
-$as_echo "$as_me: Boost not available, not searching for the Boost unit_test_framework library" >&6;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for the Boost unit_test_framework library" >&5
+printf "%s\n" "$as_me: Boost not available, not searching for the Boost unit_test_framework library" >&6;}
 else
 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 x"" = "xno"; then :
+if test x"" = "xno"
+then :
   not_found_header='true'
 fi
 if test x"$boost_cv_inc_path" = xno; then
@@ -18582,16 +19821,16 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 boost_save_CPPFLAGS=$CPPFLAGS
 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-ac_fn_cxx_check_header_mongrel "$LINENO" "boost/test/unit_test.hpp" "ac_cv_header_boost_test_unit_test_hpp" "$ac_includes_default"
-if test "x$ac_cv_header_boost_test_unit_test_hpp" = xyes; then :
+ac_fn_cxx_check_header_compile "$LINENO" "boost/test/unit_test.hpp" "ac_cv_header_boost_test_unit_test_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_test_unit_test_hpp" = xyes
+then :
 
-$as_echo "#define HAVE_BOOST_TEST_UNIT_TEST_HPP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_BOOST_TEST_UNIT_TEST_HPP 1" >>confdefs.h
 
-else
+else $as_nop
   $not_found_header
 fi
 
-
 CPPFLAGS=$boost_save_CPPFLAGS
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -18602,11 +19841,12 @@ fi
 
 boost_save_CPPFLAGS=$CPPFLAGS
 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the Boost unit_test_framework library" >&5
-$as_echo_n "checking for the Boost unit_test_framework library... " >&6; }
-if ${boost_cv_lib_unit_test_framework+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the Boost unit_test_framework library" >&5
+printf %s "checking for the Boost unit_test_framework library... " >&6; }
+if test ${boost_cv_lib_unit_test_framework+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   boost_cv_lib_unit_test_framework=no
   case "mt" in #(
     (mt | mt-) boost_mt=-mt; boost_rtopt=;; #(
@@ -18640,24 +19880,26 @@ using boost::unit_test::test_suite;
                test_suite* init_unit_test_suite(int argc, char ** argv)
                { return NULL; }
 int
-main ()
+main (void)
 {
 BOOST_CHECK(2 == 2);
   ;
   return 0;
 }
 _ACEOF
-  if ac_fn_cxx_try_compile "$LINENO"; then :
+  if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_objext=do_not_rm_me_plz
-else
-  if test x"" != x"no"; then :
+else $as_nop
+  if test x"" != x"no"
+then :
 
        as_fn_error $? "cannot compile a test that uses Boost unit_test_framework" "$LINENO" 5
 
 fi
 
 fi
-rm -f core conftest.err conftest.$ac_objext
+rm -f core conftest.err conftest.$ac_objext conftest.beam
   ac_objext=$boost_save_ac_objext
   boost_failed_libs=
 # Don't bother to ident the following nested for loops, only the 2
@@ -18710,14 +19952,14 @@ boost_use_source=:
 # If we already have a .o, re-use it.  We change $ac_ext so that $ac_link
 # tries to link the existing object file instead of compiling from source.
 test -f conftest.$ac_objext && ac_ext=$ac_objext && boost_use_source=false &&
-  $as_echo "$as_me:${as_lineno-$LINENO}: re-using the existing conftest.$ac_objext" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: re-using the existing conftest.$ac_objext" >&5
 if { { ac_try="$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -18725,18 +19967,19 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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 ||
          $as_executable_p conftest$ac_exeext
-       }; then :
+       }
+then :
   boost_cv_lib_unit_test_framework=yes
-else
+else $as_nop
   if $boost_use_source; then
-         $as_echo "$as_me: failed program was:" >&5
+         printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
        fi
@@ -18754,9 +19997,10 @@ rm -f core conftest.err conftest_ipa8_conftest.oo \
         # -rpath makes sense.  Some implementations of ld, such as for
         # Mac OSX, require -rpath but -R is the flag known to work on
         # other systems.  https://github.com/tsuna/boost.m4/issues/19
-        if ${boost_cv_rpath_link_ldflag+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+        if test ${boost_cv_rpath_link_ldflag+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   case $boost_ldpath in
            '') # Nothing to do.
              boost_cv_rpath_link_ldflag=
@@ -18771,14 +20015,14 @@ boost_use_source=:
 # If we already have a .o, re-use it.  We change $ac_ext so that $ac_link
 # tries to link the existing object file instead of compiling from source.
 test -f conftest.$ac_objext && ac_ext=$ac_objext && boost_use_source=false &&
-  $as_echo "$as_me:${as_lineno-$LINENO}: re-using the existing conftest.$ac_objext" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: re-using the existing conftest.$ac_objext" >&5
 if { { ac_try="$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}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -18786,19 +20030,20 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$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 ||
          $as_executable_p conftest$ac_exeext
-       }; then :
+       }
+then :
   boost_rpath_link_ldflag_found=yes
                 break
-else
+else $as_nop
   if $boost_use_source; then
-         $as_echo "$as_me: failed program was:" >&5
+         printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
        fi
@@ -18811,7 +20056,8 @@ rm -f core conftest.err conftest_ipa8_conftest.oo \
             done
             ;;
           esac
-          if test "x$boost_rpath_link_ldflag_found" != "xyes"; then :
+          if test "x$boost_rpath_link_ldflag_found" != "xyes"
+then :
   as_fn_error $? "Unable to determine whether to use -R or -rpath" "$LINENO" 5
 fi
           LDFLAGS=$boost_save_LDFLAGS
@@ -18837,23 +20083,24 @@ done # boost_lib_
 rm -f conftest.$ac_objext
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $boost_cv_lib_unit_test_framework" >&5
-$as_echo "$boost_cv_lib_unit_test_framework" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $boost_cv_lib_unit_test_framework" >&5
+printf "%s\n" "$boost_cv_lib_unit_test_framework" >&6; }
 case $boost_cv_lib_unit_test_framework in #(
-  (yes) $as_echo "$as_me: failed program was:" >&5
+  (yes) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 
-$as_echo "#define HAVE_BOOST_UNIT_TEST_FRAMEWORK 1" >>confdefs.h
+printf "%s\n" "#define HAVE_BOOST_UNIT_TEST_FRAMEWORK 1" >>confdefs.h
     BOOST_UNIT_TEST_FRAMEWORK_LDFLAGS=$boost_cv_lib_unit_test_framework_LDFLAGS
     BOOST_UNIT_TEST_FRAMEWORK_LDPATH=$boost_cv_lib_unit_test_framework_LDPATH
     BOOST_LDPATH=$boost_cv_lib_unit_test_framework_LDPATH
     BOOST_UNIT_TEST_FRAMEWORK_LIBS=$boost_cv_lib_unit_test_framework_LIBS
     ;;
-  (no) $as_echo "$as_me: failed program was:" >&5
+  (no) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-    if test x"" != "xno"; then :
+    if test x"" != "xno"
+then :
 
       as_fn_error $? "cannot find flags to link with the Boost unit_test_framework library (libboost-unit_test_framework)" "$LINENO" 5
 
@@ -18870,7 +20117,8 @@ fi
 
 
 
-     if test "$boost_cv_lib_unit_test_framework" = "no"; then :
+     if test "$boost_cv_lib_unit_test_framework" = "no"
+then :
 
        as_fn_error $? "Boost Unit Test library not found" "$LINENO" 5
 
@@ -18879,35 +20127,60 @@ fi
 fi
 
 
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable fuzzing targets" >&5
+printf %s "checking whether to enable fuzzing targets... " >&6; }
+  # Check whether --enable-fuzz_targets was given.
+if test ${enable_fuzz_targets+y}
+then :
+  enableval=$enable_fuzz_targets; enable_fuzz_targets=$enableval
+else $as_nop
+  enable_fuzz_targets=no
+
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_fuzz_targets" >&5
+printf "%s\n" "$enable_fuzz_targets" >&6; }
+   if test "x$enable_fuzz_targets" != "xno"; then
+  FUZZ_TARGETS_TRUE=
+  FUZZ_TARGETS_FALSE='#'
+else
+  FUZZ_TARGETS_TRUE='#'
+  FUZZ_TARGETS_FALSE=
+fi
+
+
+
   HAVE_RE2=0
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we should compile in libre2 for dnsdist" >&5
-$as_echo_n "checking if we should compile in libre2 for dnsdist... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we should compile in libre2 for dnsdist" >&5
+printf %s "checking if we should compile in libre2 for dnsdist... " >&6; }
 
 # Check whether --with-re2 was given.
-if test "${with_re2+set}" = set; then :
+if test ${with_re2+y}
+then :
   withval=$with_re2; with_re2=$withval
-else
+else $as_nop
   with_re2=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_re2" >&5
-$as_echo "$with_re2" >&6; }
-  if test "x$with_re2" = "xyes"; then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_re2" >&5
+printf "%s\n" "$with_re2" >&6; }
+  if test "x$with_re2" = "xyes"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for RE2" >&5
-$as_echo_n "checking for RE2... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for re2" >&5
+printf %s "checking for re2... " >&6; }
 
 if test -n "$RE2_CFLAGS"; then
     pkg_cv_RE2_CFLAGS="$RE2_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"re2\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"re2\""; } >&5
   ($PKG_CONFIG --exists --print-errors "re2") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_RE2_CFLAGS=`$PKG_CONFIG --cflags "re2" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -18921,10 +20194,10 @@ if test -n "$RE2_LIBS"; then
     pkg_cv_RE2_LIBS="$RE2_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"re2\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"re2\""; } >&5
   ($PKG_CONFIG --exists --print-errors "re2") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_RE2_LIBS=`$PKG_CONFIG --libs "re2" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -18938,8 +20211,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -18947,52 +20220,58 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        RE2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "re2" 2>&1`
+                RE2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "re2" 2>&1`
         else
-	        RE2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "re2" 2>&1`
+                RE2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "re2" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$RE2_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$RE2_PKG_ERRORS" >&5
 
 
-      ac_fn_cxx_check_header_mongrel "$LINENO" "re2/re2.h" "ac_cv_header_re2_re2_h" "$ac_includes_default"
-if test "x$ac_cv_header_re2_re2_h" = xyes; then :
+      ac_fn_cxx_check_header_compile "$LINENO" "re2/re2.h" "ac_cv_header_re2_re2_h" "$ac_includes_default"
+if test "x$ac_cv_header_re2_re2_h" = xyes
+then :
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lre2" >&5
-$as_echo_n "checking for main in -lre2... " >&6; }
-if ${ac_cv_lib_re2_main+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lre2" >&5
+printf %s "checking for main in -lre2... " >&6; }
+if test ${ac_cv_lib_re2_main+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lre2  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-
+namespace conftest {
+  extern "C" int main ();
+}
 int
-main ()
+main (void)
 {
-return main ();
+return conftest::main ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_lib_re2_main=yes
-else
+else $as_nop
   ac_cv_lib_re2_main=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_re2_main" >&5
-$as_echo "$ac_cv_lib_re2_main" >&6; }
-if test "x$ac_cv_lib_re2_main" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_re2_main" >&5
+printf "%s\n" "$ac_cv_lib_re2_main" >&6; }
+if test "x$ac_cv_lib_re2_main" = xyes
+then :
 
           HAVE_RE2=1
           RE2_LIBS="-lre2"
-else
+else $as_nop
    :
 fi
 
@@ -19000,49 +20279,54 @@ fi
 fi
 
 
-
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
-      ac_fn_cxx_check_header_mongrel "$LINENO" "re2/re2.h" "ac_cv_header_re2_re2_h" "$ac_includes_default"
-if test "x$ac_cv_header_re2_re2_h" = xyes; then :
-
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lre2" >&5
-$as_echo_n "checking for main in -lre2... " >&6; }
-if ${ac_cv_lib_re2_main+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+      ac_fn_cxx_check_header_compile "$LINENO" "re2/re2.h" "ac_cv_header_re2_re2_h" "$ac_includes_default"
+if test "x$ac_cv_header_re2_re2_h" = xyes
+then :
+
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lre2" >&5
+printf %s "checking for main in -lre2... " >&6; }
+if test ${ac_cv_lib_re2_main+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lre2  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-
+namespace conftest {
+  extern "C" int main ();
+}
 int
-main ()
+main (void)
 {
-return main ();
+return conftest::main ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_lib_re2_main=yes
-else
+else $as_nop
   ac_cv_lib_re2_main=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_re2_main" >&5
-$as_echo "$ac_cv_lib_re2_main" >&6; }
-if test "x$ac_cv_lib_re2_main" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_re2_main" >&5
+printf "%s\n" "$ac_cv_lib_re2_main" >&6; }
+if test "x$ac_cv_lib_re2_main" = xyes
+then :
 
           HAVE_RE2=1
           RE2_LIBS="-lre2"
-else
+else $as_nop
    :
 fi
 
@@ -19050,16 +20334,16 @@ fi
 fi
 
 
-
 else
-	RE2_CFLAGS=$pkg_cv_RE2_CFLAGS
-	RE2_LIBS=$pkg_cv_RE2_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        RE2_CFLAGS=$pkg_cv_RE2_CFLAGS
+        RE2_LIBS=$pkg_cv_RE2_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
       HAVE_RE2=1
 fi
-    if test "$HAVE_RE2" -ne 1; then :
+    if test "$HAVE_RE2" -ne 1
+then :
   as_fn_error $? "Could not find libre2" "$LINENO" 5
 fi
 
@@ -19072,25 +20356,27 @@ else
   HAVE_RE2_FALSE=
 fi
 
-  if test "$HAVE_RE2" -eq 1; then :
+  if test "$HAVE_RE2" -eq 1
+then :
 
-$as_echo "#define HAVE_RE2 1" >>confdefs.h
+printf "%s\n" "#define HAVE_RE2 1" >>confdefs.h
 
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable DNSCrypt support" >&5
-$as_echo_n "checking whether to enable DNSCrypt support... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable DNSCrypt support" >&5
+printf %s "checking whether to enable DNSCrypt support... " >&6; }
   # Check whether --enable-dnscrypt was given.
-if test "${enable_dnscrypt+set}" = set; then :
+if test ${enable_dnscrypt+y}
+then :
   enableval=$enable_dnscrypt; enable_dnscrypt=$enableval
-else
+else $as_nop
   enable_dnscrypt=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_dnscrypt" >&5
-$as_echo "$enable_dnscrypt" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_dnscrypt" >&5
+printf "%s\n" "$enable_dnscrypt" >&6; }
    if test "x$enable_dnscrypt" != "xno"; then
   DNSCRYPT_TRUE=
   DNSCRYPT_FALSE='#'
@@ -19105,7 +20391,7 @@ fi
     if test -z "$LIBSODIUM_TRUE"; then :
 
 
-$as_echo "#define HAVE_DNSCRYPT 1" >>confdefs.h
+printf "%s\n" "#define HAVE_DNSCRYPT 1" >>confdefs.h
 
 
 else
@@ -19117,44 +20403,47 @@ fi
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we have eBPF support" >&5
-$as_echo_n "checking if we have eBPF support... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we have eBPF support" >&5
+printf %s "checking if we have eBPF support... " >&6; }
 
 # Check whether --with-ebpf was given.
-if test "${with_ebpf+set}" = set; then :
+if test ${with_ebpf+y}
+then :
   withval=$with_ebpf; with_ebpf=$withval
-else
+else $as_nop
   with_ebpf=auto
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_ebpf" >&5
-$as_echo "$with_ebpf" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_ebpf" >&5
+printf "%s\n" "$with_ebpf" >&6; }
 
-  if test "x$with_ebpf" != "xno"; then :
+  if test "x$with_ebpf" != "xno"
+then :
 
-    if test "x$with_ebpf" = "xyes" -o "x$with_ebpf" = "xauto"; then :
+    if test "x$with_ebpf" = "xyes" -o "x$with_ebpf" = "xauto"
+then :
 
-      for ac_header in linux/bpf.h
+             for ac_header in linux/bpf.h
 do :
-  ac_fn_cxx_check_header_mongrel "$LINENO" "linux/bpf.h" "ac_cv_header_linux_bpf_h" "$ac_includes_default"
-if test "x$ac_cv_header_linux_bpf_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LINUX_BPF_H 1
-_ACEOF
+  ac_fn_cxx_check_header_compile "$LINENO" "linux/bpf.h" "ac_cv_header_linux_bpf_h" "$ac_includes_default"
+if test "x$ac_cv_header_linux_bpf_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_LINUX_BPF_H 1" >>confdefs.h
  bpf_headers=yes
-else
+else $as_nop
   bpf_headers=no
 fi
 
 done
 
-
 fi
 
 fi
-  if test "x$with_ebpf" = "xyes"; then :
+  if test "x$with_ebpf" = "xyes"
+then :
 
-    if test x"$bpf_headers" = "no"; then :
+    if test x"$bpf_headers" = "no"
+then :
 
       as_fn_error $? "EBPF support requested but required eBPF headers were not found" "$LINENO" 5
 
@@ -19169,64 +20458,288 @@ else
   HAVE_EBPF_FALSE=
 fi
 
-  if test x"$bpf_headers" = "xyes" ; then :
-  ac_fn_cxx_check_decl "$LINENO" "BPF_FUNC_tail_call" "ac_cv_have_decl_BPF_FUNC_tail_call" "#include <linux/bpf.h>
+  if test x"$bpf_headers" = "xyes"
+then :
+  ac_fn_check_decl "$LINENO" "BPF_FUNC_tail_call" "ac_cv_have_decl_BPF_FUNC_tail_call" "#include <linux/bpf.h>
 
 
-"
-if test "x$ac_cv_have_decl_BPF_FUNC_tail_call" = xyes; then :
-   ac_fn_cxx_check_decl "$LINENO" "SO_ATTACH_BPF" "ac_cv_have_decl_SO_ATTACH_BPF" "#include <sys/socket.h>
+" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl_BPF_FUNC_tail_call" = xyes
+then :
+   ac_fn_check_decl "$LINENO" "SO_ATTACH_BPF" "ac_cv_have_decl_SO_ATTACH_BPF" "#include <sys/socket.h>
 
 
-"
-if test "x$ac_cv_have_decl_SO_ATTACH_BPF" = xyes; then :
+" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl_SO_ATTACH_BPF" = xyes
+then :
 
-$as_echo "#define HAVE_EBPF 1" >>confdefs.h
+printf "%s\n" "#define HAVE_EBPF 1" >>confdefs.h
 
-else
-   if test "x$with_ebpf" = "xyes"; then :
+else $as_nop
+   if test "x$with_ebpf" = "xyes"
+then :
 
           as_fn_error $? "EBPF support requested but SO_ATTACH_BPF not found" "$LINENO" 5
 
 fi
 fi
+else $as_nop
+   if test "x$with_ebpf" = "xyes"
+then :
+
+        as_fn_error $? "EBPF support requested but BPF_FUNC_tail_call not found in the eBPF headers" "$LINENO" 5
+
+fi
+fi
 
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we have AF_XDP (XSK) support" >&5
+printf %s "checking if we have AF_XDP (XSK) support... " >&6; }
+
+# Check whether --with-xsk was given.
+if test ${with_xsk+y}
+then :
+  withval=$with_xsk; with_xsk=$withval
+else $as_nop
+  with_xsk=auto
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_xsk" >&5
+printf "%s\n" "$with_xsk" >&6; }
+
+  if test "x$with_xsk" != "xno"
+then :
+
+    if test "x$with_xsk" = "xyes" -o "x$with_xsk" = "xauto"
+then :
+
+
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libxdp" >&5
+printf %s "checking for libxdp... " >&6; }
+
+if test -n "$XDP_CFLAGS"; then
+    pkg_cv_XDP_CFLAGS="$XDP_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libxdp\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libxdp") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_XDP_CFLAGS=`$PKG_CONFIG --cflags "libxdp" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
 else
-   if test "x$with_ebpf" = "xyes"; then :
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$XDP_LIBS"; then
+    pkg_cv_XDP_LIBS="$XDP_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libxdp\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libxdp") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_XDP_LIBS=`$PKG_CONFIG --libs "libxdp" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
 
-        as_fn_error $? "EBPF support requested but BPF_FUNC_tail_call not found in the eBPF headers" "$LINENO" 5
 
+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 $_pkg_short_errors_supported = yes; then
+                XDP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libxdp" 2>&1`
+        else
+                XDP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libxdp" 2>&1`
+        fi
+        # Put the nasty error message in config.log where it belongs
+        echo "$XDP_PKG_ERRORS" >&5
+
+        :
+elif test $pkg_failed = untried; then
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+        :
+else
+        XDP_CFLAGS=$pkg_cv_XDP_CFLAGS
+        XDP_LIBS=$pkg_cv_XDP_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+
+
+printf "%s\n" "#define HAVE_XDP 1" >>confdefs.h
+
+
 fi
 
+pkg_failed=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libbpf" >&5
+printf %s "checking for libbpf... " >&6; }
 
+if test -n "$BPF_CFLAGS"; then
+    pkg_cv_BPF_CFLAGS="$BPF_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libbpf\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libbpf") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_BPF_CFLAGS=`$PKG_CONFIG --cflags "libbpf" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$BPF_LIBS"; then
+    pkg_cv_BPF_LIBS="$BPF_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libbpf\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libbpf") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_BPF_LIBS=`$PKG_CONFIG --libs "libbpf" 2>/dev/null`
+		      test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we need to link in Net SNMP" >&5
-$as_echo_n "checking if we need to link in Net SNMP... " >&6; }
+
+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 $_pkg_short_errors_supported = yes; then
+                BPF_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libbpf" 2>&1`
+        else
+                BPF_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libbpf" 2>&1`
+        fi
+        # Put the nasty error message in config.log where it belongs
+        echo "$BPF_PKG_ERRORS" >&5
+
+        :
+elif test $pkg_failed = untried; then
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+        :
+else
+        BPF_CFLAGS=$pkg_cv_BPF_CFLAGS
+        BPF_LIBS=$pkg_cv_BPF_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+
+
+printf "%s\n" "#define HAVE_BPF 1" >>confdefs.h
+
+        save_CFLAGS=$CFLAGS
+        save_LIBS=$LIBS
+        CFLAGS="$BPF_CFLAGS $CFLAGS"
+        LIBS="$BPF_LIBS $LIBS"
+        ac_fn_cxx_check_func "$LINENO" "bpf_xdp_query" "ac_cv_func_bpf_xdp_query"
+if test "x$ac_cv_func_bpf_xdp_query" = xyes
+then :
+  printf "%s\n" "#define HAVE_BPF_XDP_QUERY 1" >>confdefs.h
+
+fi
+
+        CFLAGS=$save_CFLAGS
+        LIBS=$save_LIBS
+
+fi
+
+fi
+
+fi
+
+   if test x"$BPF_LIBS" != "x" -a x"$XDP_LIBS" != "x"; then
+  HAVE_XSK_TRUE=
+  HAVE_XSK_FALSE='#'
+else
+  HAVE_XSK_TRUE='#'
+  HAVE_XSK_FALSE=
+fi
+
+  if test -z "$HAVE_XSK_TRUE"; then :
+
+
+printf "%s\n" "#define HAVE_XSK 1" >>confdefs.h
+
+
+fi
+
+  if test "x$with_xsk" = "xyes"
+then :
+
+    if test x"$BPF_LIBS" = "x" -o x"$XDP_LIBS" = "x"
+then :
+
+      as_fn_error $? "AF_XDP (XSK) support requested but required libbpf and/or libxdp were not found" "$LINENO" 5
+
+fi
+
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we need to link in Net SNMP" >&5
+printf %s "checking if we need to link in Net SNMP... " >&6; }
 
 # Check whether --with-net-snmp was given.
-if test "${with_net_snmp+set}" = set; then :
+if test ${with_net_snmp+y}
+then :
   withval=$with_net_snmp; with_net_snmp=$withval
-else
-  with_net_snmp=auto
+else $as_nop
+  with_net_snmp=no
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_net_snmp" >&5
-$as_echo "$with_net_snmp" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_net_snmp" >&5
+printf "%s\n" "$with_net_snmp" >&6; }
 
-  if test "x$with_net_snmp" != "xno"; then :
+  if test "x$with_net_snmp" != "xno"
+then :
 
-    if test "x$with_net_snmp" = "xyes" -o "x$with_net_snmp" = "xauto"; then :
+    if test "x$with_net_snmp" = "xyes" -o "x$with_net_snmp" = "xauto"
+then :
 
       # Extract the first word of "net-snmp-config", so it can be a program name with args.
 set dummy net-snmp-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_NET_SNMP_LIBS+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_NET_SNMP_LIBS+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$NET_SNMP_LIBS"; then
   ac_cv_prog_NET_SNMP_LIBS="$NET_SNMP_LIBS" # Let the user override the test.
 else
@@ -19234,11 +20747,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_NET_SNMP_LIBS="`net-snmp-config --netsnmp-agent-libs`"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -19249,15 +20766,15 @@ fi
 fi
 NET_SNMP_LIBS=$ac_cv_prog_NET_SNMP_LIBS
 if test -n "$NET_SNMP_LIBS"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NET_SNMP_LIBS" >&5
-$as_echo "$NET_SNMP_LIBS" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NET_SNMP_LIBS" >&5
+printf "%s\n" "$NET_SNMP_LIBS" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
-      ac_fn_cxx_check_decl "$LINENO" "snmp_select_info2" "ac_cv_have_decl_snmp_select_info2" "$ac_includes_default
+      ac_fn_check_decl "$LINENO" "snmp_select_info2" "ac_cv_have_decl_snmp_select_info2" "$ac_includes_default
           #include <net-snmp/net-snmp-config.h>
           #include <net-snmp/definitions.h>
           #include <net-snmp/types.h>
@@ -19265,23 +20782,22 @@ fi
           #include <net-snmp/config_api.h>
           #include <net-snmp/session_api.h>
 
-"
-if test "x$ac_cv_have_decl_snmp_select_info2" = xyes; then :
+" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl_snmp_select_info2" = xyes
+then :
   ac_have_decl=1
-else
+else $as_nop
   ac_have_decl=0
 fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_SNMP_SELECT_INFO2 $ac_have_decl
-_ACEOF
-if test $ac_have_decl = 1; then :
+printf "%s\n" "#define HAVE_DECL_SNMP_SELECT_INFO2 $ac_have_decl" >>confdefs.h
+if test $ac_have_decl = 1
+then :
 
 
-$as_echo "#define HAVE_SNMP_SELECT_INFO2 1" >>confdefs.h
+printf "%s\n" "#define HAVE_SNMP_SELECT_INFO2 1" >>confdefs.h
 
 
-else
+else $as_nop
    :
 fi
 
@@ -19289,9 +20805,11 @@ fi
 fi
 
 fi
-  if test "x$with_net_snmp" = "xyes"; then :
+  if test "x$with_net_snmp" = "xyes"
+then :
 
-    if test x"$NET_SNMP_LIBS" = "x"; then :
+    if test x"$NET_SNMP_LIBS" = "x"
+then :
 
       as_fn_error $? "Net SNMP requested but libraries were not found" "$LINENO" 5
 
@@ -19306,44 +20824,48 @@ else
   HAVE_NET_SNMP_FALSE=
 fi
 
-  if test x"$NET_SNMP_LIBS" != "x"; then :
+  if test x"$NET_SNMP_LIBS" != "x"
+then :
 
-$as_echo "#define HAVE_NET_SNMP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_NET_SNMP 1" >>confdefs.h
 
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in libcap" >&5
-$as_echo_n "checking whether we will be linking in libcap... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in libcap" >&5
+printf %s "checking whether we will be linking in libcap... " >&6; }
   HAVE_LIBCAPS=0
 
 # Check whether --with-libcap was given.
-if test "${with_libcap+set}" = set; then :
+if test ${with_libcap+y}
+then :
   withval=$with_libcap; with_libcap=$withval
-else
+else $as_nop
   with_libcap=auto
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_libcap" >&5
-$as_echo "$with_libcap" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_libcap" >&5
+printf "%s\n" "$with_libcap" >&6; }
 
-  if test "x$with_libcap" != "xno"; then :
+  if test "x$with_libcap" != "xno"
+then :
 
-    if test "x$with_libcap" = "xyes" -o "x$with_libcap" = "xauto"; then :
+    if test "x$with_libcap" = "xyes" -o "x$with_libcap" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBCAP" >&5
-$as_echo_n "checking for LIBCAP... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libcap " >&5
+printf %s "checking for libcap ... " >&6; }
 
 if test -n "$LIBCAP_CFLAGS"; then
     pkg_cv_LIBCAP_CFLAGS="$LIBCAP_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcap \""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcap \""; } >&5
   ($PKG_CONFIG --exists --print-errors "libcap ") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBCAP_CFLAGS=`$PKG_CONFIG --cflags "libcap " 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -19357,10 +20879,10 @@ if test -n "$LIBCAP_LIBS"; then
     pkg_cv_LIBCAP_LIBS="$LIBCAP_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcap \""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcap \""; } >&5
   ($PKG_CONFIG --exists --print-errors "libcap ") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBCAP_LIBS=`$PKG_CONFIG --libs "libcap " 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -19374,8 +20896,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -19383,27 +20905,27 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBCAP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libcap " 2>&1`
+                LIBCAP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libcap " 2>&1`
         else
-	        LIBCAP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libcap " 2>&1`
+                LIBCAP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libcap " 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LIBCAP_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LIBCAP_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LIBCAP_CFLAGS=$pkg_cv_LIBCAP_CFLAGS
-	LIBCAP_LIBS=$pkg_cv_LIBCAP_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LIBCAP_CFLAGS=$pkg_cv_LIBCAP_CFLAGS
+        LIBCAP_LIBS=$pkg_cv_LIBCAP_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
         HAVE_LIBCAP=1
 
-$as_echo "#define HAVE_LIBCAP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBCAP 1" >>confdefs.h
 
 
 fi
@@ -19419,9 +20941,11 @@ else
   HAVE_LIBCAP_FALSE=
 fi
 
-  if test "x$with_libcap" = "xyes"; then :
+  if test "x$with_libcap" = "xyes"
+then :
 
-    if test x"$LIBCAP_LIBS" = "x"; then :
+    if test x"$LIBCAP_LIBS" = "x"
+then :
 
       as_fn_error $? "libcap requested but libraries were not found" "$LINENO" 5
 
@@ -19434,20 +20958,24 @@ fi
 
 
 # Check whether --enable-systemd was given.
-if test "${enable_systemd+set}" = set; then :
+if test ${enable_systemd+y}
+then :
   enableval=$enable_systemd;
 fi
 
 
-if test "x$enable_systemd" = "xno"; then :
+if test "x$enable_systemd" = "xno"
+then :
 
     ax_cv_systemd="n"
 
-elif test "x$enable_systemd" = "xyes"; then :
+elif test "x$enable_systemd" = "xyes"
+then :
 
     ax_cv_systemd="y"
 
-elif test -z $ax_cv_systemd; then :
+elif test -z $ax_cv_systemd
+then :
 
     ax_cv_systemd="n"
 
@@ -19458,9 +20986,10 @@ systemd=$ax_cv_systemd
 
 
 # Check whether --with-systemd was given.
-if test "${with_systemd+set}" = set; then :
+if test ${with_systemd+y}
+then :
   withval=$with_systemd; SYSTEMD_DIR="$withval"
-else
+else $as_nop
   SYSTEMD_DIR=""
 fi
 
@@ -19468,9 +20997,10 @@ fi
 
 
 # Check whether --with-systemd was given.
-if test "${with_systemd+set}" = set; then :
+if test ${with_systemd+y}
+then :
   withval=$with_systemd; SYSTEMD_MODULES_LOAD="$withval"
-else
+else $as_nop
   SYSTEMD_MODULES_LOAD=""
 fi
 
@@ -19478,49 +21008,49 @@ fi
 
 
 
-	ac_fn_cxx_check_header_mongrel "$LINENO" "systemd/sd-daemon.h" "ac_cv_header_systemd_sd_daemon_h" "$ac_includes_default"
-if test "x$ac_cv_header_systemd_sd_daemon_h" = xyes; then :
+	ac_fn_cxx_check_header_compile "$LINENO" "systemd/sd-daemon.h" "ac_cv_header_systemd_sd_daemon_h" "$ac_includes_default"
+if test "x$ac_cv_header_systemd_sd_daemon_h" = xyes
+then :
 
 		for libname in systemd-daemon systemd; do
-			as_ac_Lib=`$as_echo "ac_cv_lib_$libname''_sd_listen_fds" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sd_listen_fds in -l$libname" >&5
-$as_echo_n "checking for sd_listen_fds in -l$libname... " >&6; }
-if eval \${$as_ac_Lib+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+			as_ac_Lib=`printf "%s\n" "ac_cv_lib_$libname""_sd_listen_fds" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sd_listen_fds in -l$libname" >&5
+printf %s "checking for sd_listen_fds in -l$libname... " >&6; }
+if eval test \${$as_ac_Lib+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-l$libname  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char sd_listen_fds ();
+namespace conftest {
+  extern "C" int sd_listen_fds ();
+}
 int
-main ()
+main (void)
 {
-return sd_listen_fds ();
+return conftest::sd_listen_fds ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   eval "$as_ac_Lib=yes"
-else
+else $as_nop
   eval "$as_ac_Lib=no"
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
 eval ac_res=\$$as_ac_Lib
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
+	       { 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 :
 
 				libsystemd_daemon="lib$libname"
 				systemd=y
@@ -19534,18 +21064,20 @@ fi
 
 
 
+		if test "x$enable_systemd" != "xno"
+then :
 
-		if test "x$enable_systemd" != "xno"; then :
+	     if test "x$systemd" = "xy"
+then :
 
-	     if test "x$systemd" = "xy" ; then :
 
-
-$as_echo "#define HAVE_SYSTEMD 1" >>confdefs.h
+printf "%s\n" "#define HAVE_SYSTEMD 1" >>confdefs.h
 
 			systemd=y
 
 
-	if test "x$libsystemd" = x; then :
+	if test "x$libsystemd" = x
+then :
 
 	    as_fn_error $? "Unable to find a suitable libsystemd library" "$LINENO" 5
 
@@ -19553,17 +21085,17 @@ fi
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SYSTEMD" >&5
-$as_echo_n "checking for SYSTEMD... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $libsystemd_daemon" >&5
+printf %s "checking for $libsystemd_daemon... " >&6; }
 
 if test -n "$SYSTEMD_CFLAGS"; then
     pkg_cv_SYSTEMD_CFLAGS="$SYSTEMD_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$libsystemd_daemon\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$libsystemd_daemon\""; } >&5
   ($PKG_CONFIG --exists --print-errors "$libsystemd_daemon") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_SYSTEMD_CFLAGS=`$PKG_CONFIG --cflags "$libsystemd_daemon" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -19577,10 +21109,10 @@ if test -n "$SYSTEMD_LIBS"; then
     pkg_cv_SYSTEMD_LIBS="$SYSTEMD_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$libsystemd_daemon\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$libsystemd_daemon\""; } >&5
   ($PKG_CONFIG --exists --print-errors "$libsystemd_daemon") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_SYSTEMD_LIBS=`$PKG_CONFIG --libs "$libsystemd_daemon" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -19594,8 +21126,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -19603,14 +21135,14 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        SYSTEMD_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$libsystemd_daemon" 2>&1`
+                SYSTEMD_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$libsystemd_daemon" 2>&1`
         else
-	        SYSTEMD_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$libsystemd_daemon" 2>&1`
+                SYSTEMD_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$libsystemd_daemon" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$SYSTEMD_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$SYSTEMD_PKG_ERRORS" >&5
 
-	as_fn_error $? "Package requirements ($libsystemd_daemon) were not met:
+        as_fn_error $? "Package requirements ($libsystemd_daemon) were not met:
 
 $SYSTEMD_PKG_ERRORS
 
@@ -19621,10 +21153,10 @@ Alternatively, you may set the environment variables SYSTEMD_CFLAGS
 and SYSTEMD_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
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+        { 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 $? "The pkg-config script could not be found or is too old.  Make sure it
 is in your PATH or set the PKG_CONFIG environment variable to the full
 path to pkg-config.
@@ -19636,59 +21168,65 @@ See the pkg-config man page for more details.
 To get pkg-config, see <http://pkg-config.freedesktop.org/>.
 See \`config.log' for more details" "$LINENO" 5; }
 else
-	SYSTEMD_CFLAGS=$pkg_cv_SYSTEMD_CFLAGS
-	SYSTEMD_LIBS=$pkg_cv_SYSTEMD_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        SYSTEMD_CFLAGS=$pkg_cv_SYSTEMD_CFLAGS
+        SYSTEMD_LIBS=$pkg_cv_SYSTEMD_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 fi
 
 
 
-	if test "x$SYSTEMD_DIR" = x; then :
+	if test "x$SYSTEMD_DIR" = x
+then :
 
 	    	    	    	    	    	    	    	    	    	    	    	    	    SYSTEMD_DIR="\$(prefix)/lib/systemd/system/"
 
 fi
 
-	if test "x$SYSTEMD_DIR" = x; then :
+	if test "x$SYSTEMD_DIR" = x
+then :
 
 	    as_fn_error $? "SYSTEMD_DIR is unset" "$LINENO" 5
 
 fi
 
-		if test "x$SYSTEMD_MODULES_LOAD" = x; then :
+		if test "x$SYSTEMD_MODULES_LOAD" = x
+then :
 
 	    SYSTEMD_MODULES_LOAD="\$(prefix)/lib/modules-load.d/"
 
 fi
 
-	if test "x$SYSTEMD_MODULES_LOAD" = x; then :
+	if test "x$SYSTEMD_MODULES_LOAD" = x
+then :
 
 	    as_fn_error $? "SYSTEMD_MODULES_LOAD is unset" "$LINENO" 5
 
 fi
 
 
-else
+else $as_nop
   systemd=n
 fi
 
-else
+else $as_nop
   systemd=n
 fi
 
 
 
-        if test x"$systemd" = "xy"; then :
+        if test x"$systemd" = "xy"
+then :
 
           # Extract the first word of "systemctl", so it can be a program name with args.
 set dummy systemctl; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_SYSTEMCTL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_SYSTEMCTL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   case $SYSTEMCTL in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_SYSTEMCTL="$SYSTEMCTL" # Let the user override the test with a path.
@@ -19698,11 +21236,15 @@ else
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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_SYSTEMCTL="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_SYSTEMCTL="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -19715,17 +21257,18 @@ esac
 fi
 SYSTEMCTL=$ac_cv_path_SYSTEMCTL
 if test -n "$SYSTEMCTL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SYSTEMCTL" >&5
-$as_echo "$SYSTEMCTL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $SYSTEMCTL" >&5
+printf "%s\n" "$SYSTEMCTL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
-          if test "$SYSTEMCTL" = "no"; then :
+          if test "$SYSTEMCTL" = "no"
+then :
   as_fn_error $? "systemctl not found" "$LINENO" 5
-else
+else $as_nop
 
               _systemd_version=`${SYSTEMCTL} --version|head -1 |cut -d" " -f 2`
               if test $_systemd_version -ge 183; then
@@ -20022,14 +21565,15 @@ else
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking What user and group will be used by service" >&5
-$as_echo_n "checking What user and group will be used by service... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking What user and group will be used by service" >&5
+printf %s "checking What user and group will be used by service... " >&6; }
 
 # Check whether --with-service-user was given.
-if test "${with_service_user+set}" = set; then :
+if test ${with_service_user+y}
+then :
   withval=$with_service_user; service_user=$withval
 
-else
+else $as_nop
   service_user=dnsdist
 
 
@@ -20038,38 +21582,39 @@ fi
 
 
 # Check whether --with-service-group was given.
-if test "${with_service_group+set}" = set; then :
+if test ${with_service_group+y}
+then :
   withval=$with_service_group; service_group=$withval
 
-else
+else $as_nop
   service_group=dnsdist
 
 
 fi
 
 
-  if test -z "$service_user"; then :
+  if test -z "$service_user"
+then :
   as_fn_error $? "No service user has been defined!" "$LINENO" 5
-else
+else $as_nop
    :
 fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $service_user" >&5
-$as_echo "$service_user" >&6; }
-
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $service_user" >&5
+printf "%s\n" "$service_user" >&6; }
 
 
-
-
-  for ac_func in $ac_func_list
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
-fi
+ac_func=
+for ac_item in $ac_func_cxx_list
+do
+  if test $ac_func; then
+    ac_fn_cxx_check_func "$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
 
 
@@ -20087,13 +21632,24 @@ IPCRYPT_CFLAGS='-I$(top_srcdir)/ext/ipcrypt'
 
 IPCRYPT_LIBS='$(top_builddir)/ext/ipcrypt/libipcrypt.la'
 
+ARC4RANDOM_LIBS='$(top_builddir)/ext/arc4random/libarc4random.la'
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ac_fn_cxx_check_header_compile "$LINENO" "sys/random.h" "ac_cv_header_sys_random_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_random_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_RANDOM_H 1" >>confdefs.h
+
+fi
+
+
+
+  { 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
@@ -20101,10 +21657,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
+  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"
+      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 $ac_path_GREP
@@ -20113,13 +21674,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
     "$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
@@ -20147,35 +21708,38 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking which Lua implementation to use" >&5
-$as_echo_n "checking which Lua implementation to use... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking which Lua implementation to use" >&5
+printf %s "checking which Lua implementation to use... " >&6; }
 
 # Check whether --with-lua was given.
-if test "${with_lua+set}" = set; then :
+if test ${with_lua+y}
+then :
   withval=$with_lua;
     with_lua=$withval
 
-else
+else $as_nop
 
     with_lua=auto
 
 fi
 
 
-  if test "x$with_lua" = "xyes"; then :
+  if test "x$with_lua" = "xyes"
+then :
 
         with_lua=auto
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_lua" >&5
-$as_echo "$with_lua" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_lua" >&5
+printf "%s\n" "$with_lua" >&6; }
 
-  if test "x$with_lua" = "xno" -a "mandatory" = "mandatory"; then :
+  if test "x$with_lua" = "xno" -a "mandatory" = "mandatory"
+then :
 
     as_fn_error $? "--without-lua specified, but Lua is not optional" "$LINENO" 5
 
@@ -20185,27 +21749,30 @@ fi
   luajit_min_version='2.0.2'
   lua_min_version='5.1'
 
-  if test "x$with_lua" != "xno"; then :
+  if test "x$with_lua" != "xno"
+then :
 
-    if test "x$with_lua" != "xauto"; then :
+    if test "x$with_lua" != "xauto"
+then :
 
       with_lua_version=${lua_min_version}
-      if echo "x$with_lua" | ${GREP} 'jit' >/dev/null 2>&1; then :
+      if echo "x$with_lua" | ${GREP} 'jit' >/dev/null 2>&1
+then :
   with_lua_version=${luajit_min_version}
 fi
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $with_lua >= $with_lua_version" >&5
+printf %s "checking for $with_lua >= $with_lua_version... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$with_lua >= \$with_lua_version\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$with_lua >= \$with_lua_version\""; } >&5
   ($PKG_CONFIG --exists --print-errors "$with_lua >= $with_lua_version") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "$with_lua >= $with_lua_version" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20219,10 +21786,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$with_lua >= \$with_lua_version\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$with_lua >= \$with_lua_version\""; } >&5
   ($PKG_CONFIG --exists --print-errors "$with_lua >= $with_lua_version") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "$with_lua >= $with_lua_version" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20236,8 +21803,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20245,50 +21812,50 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$with_lua >= $with_lua_version" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$with_lua >= $with_lua_version" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$with_lua >= $with_lua_version" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$with_lua >= $with_lua_version" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
 
         as_fn_error $? "Selected Lua ($with_lua) not found" "$LINENO" 5
 
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
         as_fn_error $? "Selected Lua ($with_lua) not found" "$LINENO" 5
 
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
         LUAPC=$with_lua
 
 fi
 
-else
+else $as_nop
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for luajit >= ${luajit_min_version}" >&5
+printf %s "checking for luajit >= ${luajit_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"luajit >= \${luajit_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"luajit >= \${luajit_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "luajit >= ${luajit_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "luajit >= ${luajit_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20302,10 +21869,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"luajit >= \${luajit_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"luajit >= \${luajit_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "luajit >= ${luajit_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "luajit >= ${luajit_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20319,8 +21886,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20328,49 +21895,51 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "luajit >= ${luajit_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "luajit >= ${luajit_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "luajit >= ${luajit_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "luajit >= ${luajit_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
         LUAPC=luajit
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
 
 fi
-      if test -z "$LUAPC"; then :
+      if test -z "$LUAPC"
+then :
 
         found_lua=n
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua5.3 >= ${lua_min_version}" >&5
+printf %s "checking for lua5.3 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.3 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.3 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua5.3 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua5.3 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20384,10 +21953,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.3 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.3 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua5.3 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua5.3 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20401,8 +21970,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20410,26 +21979,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua5.3 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua5.3 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua5.3 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua5.3 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua5.3
@@ -20438,21 +22007,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua-5.3 >= ${lua_min_version}" >&5
+printf %s "checking for lua-5.3 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.3 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.3 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua-5.3 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua-5.3 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20466,10 +22036,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.3 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.3 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua-5.3 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua-5.3 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20483,8 +22053,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20492,26 +22062,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua-5.3 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua-5.3 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua-5.3 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua-5.3 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua-5.3
@@ -20520,21 +22090,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua53 >= ${lua_min_version}" >&5
+printf %s "checking for lua53 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua53 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua53 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua53 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua53 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20548,10 +22119,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua53 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua53 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua53 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua53 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20565,8 +22136,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20574,26 +22145,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua53 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua53 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua53 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua53 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua53
@@ -20602,21 +22173,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua5.2 >= ${lua_min_version}" >&5
+printf %s "checking for lua5.2 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.2 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.2 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua5.2 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua5.2 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20630,10 +22202,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.2 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.2 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua5.2 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua5.2 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20647,8 +22219,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20656,26 +22228,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua5.2 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua5.2 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua5.2 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua5.2 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua5.2
@@ -20684,21 +22256,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua-5.2 >= ${lua_min_version}" >&5
+printf %s "checking for lua-5.2 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.2 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.2 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua-5.2 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua-5.2 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20712,10 +22285,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.2 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.2 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua-5.2 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua-5.2 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20729,8 +22302,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20738,26 +22311,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua-5.2 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua-5.2 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua-5.2 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua-5.2 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua-5.2
@@ -20766,21 +22339,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua52 >= ${lua_min_version}" >&5
+printf %s "checking for lua52 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua52 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua52 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua52 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua52 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20794,10 +22368,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua52 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua52 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua52 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua52 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20811,8 +22385,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20820,26 +22394,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua52 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua52 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua52 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua52 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua52
@@ -20848,21 +22422,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua5.1 >= ${lua_min_version}" >&5
+printf %s "checking for lua5.1 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.1 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.1 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua5.1 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua5.1 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20876,10 +22451,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.1 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.1 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua5.1 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua5.1 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20893,8 +22468,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20902,26 +22477,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua5.1 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua5.1 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua5.1 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua5.1 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua5.1
@@ -20930,21 +22505,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua-5.1 >= ${lua_min_version}" >&5
+printf %s "checking for lua-5.1 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.1 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.1 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua-5.1 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua-5.1 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20958,10 +22534,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.1 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.1 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua-5.1 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua-5.1 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -20975,8 +22551,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -20984,26 +22560,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua-5.1 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua-5.1 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua-5.1 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua-5.1 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua-5.1
@@ -21012,21 +22588,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua51 >= ${lua_min_version}" >&5
+printf %s "checking for lua51 >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua51 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua51 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua51 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua51 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21040,10 +22617,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua51 >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua51 >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua51 >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua51 >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21057,8 +22634,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -21066,26 +22643,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua51 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua51 >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua51 >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua51 >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua51
@@ -21094,21 +22671,22 @@ fi
 
 fi
 
-          if test "$found_lua" != "y"; then :
+          if test "$found_lua" != "y"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LUA" >&5
-$as_echo_n "checking for LUA... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lua >= ${lua_min_version}" >&5
+printf %s "checking for lua >= ${lua_min_version}... " >&6; }
 
 if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21122,10 +22700,10 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua >= \${lua_min_version}\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua >= \${lua_min_version}\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lua >= ${lua_min_version}") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua >= ${lua_min_version}" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21139,8 +22717,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -21148,26 +22726,26 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lua >= ${lua_min_version}" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua >= ${lua_min_version}" 2>&1`
+                LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lua >= ${lua_min_version}" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LUA_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LUA_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
-	LUA_LIBS=$pkg_cv_LUA_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LUA_CFLAGS=$pkg_cv_LUA_CFLAGS
+        LUA_LIBS=$pkg_cv_LUA_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LUA 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LUA 1" >>confdefs.h
 
               found_lua=y
               LUAPC=lua
@@ -21183,7 +22761,8 @@ fi
 
 fi
 
-  if test -z "$LUAPC" -a "mandatory" = "mandatory"; then :
+  if test -z "$LUAPC" -a "mandatory" = "mandatory"
+then :
 
     as_fn_error $? "No Lua not found, but is mandatory" "$LINENO" 5
 
@@ -21198,26 +22777,28 @@ else
 fi
 
 
-if test "x$LUAPC" = "xluajit"; then :
+if test "x$LUAPC" = "xluajit"
+then :
 
   # export all symbols with default visibility, to be able to use the Lua FFI interface
-  { $as_echo "$as_me:${as_lineno-$LINENO}: Adding -rdynamic to export all symbols for the Lua FFI interface" >&5
-$as_echo "$as_me: Adding -rdynamic to export all symbols for the Lua FFI interface" >&6;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Adding -rdynamic to export all symbols for the Lua FFI interface" >&5
+printf "%s\n" "$as_me: Adding -rdynamic to export all symbols for the Lua FFI interface" >&6;}
   LDFLAGS="$LDFLAGS -rdynamic"
 
 fi
 
 
-  if test "x$LUAPC" != "x" ; then :
+  if test "x$LUAPC" != "x"
+then :
 
     OLD_CPPFLAGS="$CPPFLAGS"
     CPPFLAGS="$CPPFLAGS $LUA_CFLAGS"
-    ac_fn_cxx_check_header_mongrel "$LINENO" "lua.hpp" "ac_cv_header_lua_hpp" "$ac_includes_default"
-if test "x$ac_cv_header_lua_hpp" = xyes; then :
+    ac_fn_cxx_check_header_compile "$LINENO" "lua.hpp" "ac_cv_header_lua_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_lua_hpp" = xyes
+then :
    have_lua_hpp=y
 fi
 
-
     CPPFLAGS="$OLD_CPPFLAGS"
 
 fi
@@ -21232,6 +22813,14 @@ fi
 
 
  if false; then
+  HAVE_CDB_TRUE=
+  HAVE_CDB_FALSE='#'
+else
+  HAVE_CDB_TRUE='#'
+  HAVE_CDB_FALSE=
+fi
+
+ if false; then
   HAVE_GNUTLS_TRUE=
   HAVE_GNUTLS_FALSE='#'
 else
@@ -21240,6 +22829,14 @@ else
 fi
 
  if false; then
+  HAVE_LIBH2OEVLOOP_TRUE=
+  HAVE_LIBH2OEVLOOP_FALSE='#'
+else
+  HAVE_LIBH2OEVLOOP_TRUE='#'
+  HAVE_LIBH2OEVLOOP_FALSE=
+fi
+
+ if false; then
   HAVE_LIBSSL_TRUE=
   HAVE_LIBSSL_FALSE='#'
 else
@@ -21256,11 +22853,11 @@ else
 fi
 
  if false; then
-  HAVE_CDB_TRUE=
-  HAVE_CDB_FALSE='#'
+  HAVE_NGHTTP2_TRUE=
+  HAVE_NGHTTP2_FALSE='#'
 else
-  HAVE_CDB_TRUE='#'
-  HAVE_CDB_FALSE=
+  HAVE_NGHTTP2_TRUE='#'
+  HAVE_NGHTTP2_FALSE=
 fi
 
 
@@ -21268,7 +22865,8 @@ fi
     found=false
 
 # Check whether --with-libcrypto was given.
-if test "${with_libcrypto+set}" = set; then :
+if test ${with_libcrypto+y}
+then :
   withval=$with_libcrypto;
             case "$withval" in
             "" | y | ye | yes | n | no)
@@ -21278,18 +22876,19 @@ if test "${with_libcrypto+set}" = set; then :
               ;;
             esac
 
-else
+else $as_nop
 
             # if pkg-config is installed and openssl has installed a .pc file,
             # then use that information and don't search ssldirs
             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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$PKG_CONFIG"; then
   ac_cv_prog_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test.
 else
@@ -21297,11 +22896,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_PKG_CONFIG="${ac_tool_prefix}pkg-config"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -21312,11 +22915,11 @@ fi
 fi
 PKG_CONFIG=$ac_cv_prog_PKG_CONFIG
 if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+printf "%s\n" "$PKG_CONFIG" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -21325,11 +22928,12 @@ if test -z "$ac_cv_prog_PKG_CONFIG"; then
   ac_ct_PKG_CONFIG=$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_PKG_CONFIG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_PKG_CONFIG"; then
   ac_cv_prog_ac_ct_PKG_CONFIG="$ac_ct_PKG_CONFIG" # Let the user override the test.
 else
@@ -21337,11 +22941,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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 as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_PKG_CONFIG="pkg-config"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -21352,11 +22960,11 @@ fi
 fi
 ac_ct_PKG_CONFIG=$ac_cv_prog_ac_ct_PKG_CONFIG
 if test -n "$ac_ct_PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_PKG_CONFIG" >&5
-$as_echo "$ac_ct_PKG_CONFIG" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_PKG_CONFIG" >&5
+printf "%s\n" "$ac_ct_PKG_CONFIG" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_PKG_CONFIG" = x; then
@@ -21364,8 +22972,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ 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_ct_PKG_CONFIG
@@ -21400,19 +23008,19 @@ fi
     if ! $found; then
         LIBCRYPTO_INCLUDES=
         for ssldir in $ssldirs; do
-            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for openssl/crypto.h in $ssldir" >&5
-$as_echo_n "checking for openssl/crypto.h in $ssldir... " >&6; }
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for openssl/crypto.h in $ssldir" >&5
+printf %s "checking for openssl/crypto.h in $ssldir... " >&6; }
             if test -f "$ssldir/include/openssl/crypto.h"; then
                 LIBCRYPTO_INCLUDES="-I$ssldir/include"
                 LIBCRYPTO_LDFLAGS="-L$ssldir/lib"
                 LIBCRYPTO_LIBS="-lcrypto"
                 found=true
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
                 break
             else
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
             fi
         done
 
@@ -21422,15 +23030,15 @@ $as_echo "no" >&6; }
 
     if $found; then
 
-$as_echo "#define HAVE_LIBCRYPTO 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBCRYPTO 1" >>confdefs.h
 
     fi
 
     # try the preprocessor and linker with our new flags,
     # being careful not to pollute the global LIBS, LDFLAGS, and CPPFLAGS
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiling and linking against OpenSSL's libcrypto works" >&5
-$as_echo_n "checking whether compiling and linking against OpenSSL's libcrypto works... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether compiling and linking against OpenSSL's libcrypto works" >&5
+printf %s "checking whether compiling and linking against OpenSSL's libcrypto works... " >&6; }
     echo "Trying link with LIBCRYPTO_LDFLAGS=$LIBCRYPTO_LDFLAGS;" \
         "LIBCRYPTO_LIBS=$LIBCRYPTO_LIBS; LIBCRYPTO_INCLUDES=$LIBCRYPTO_INCLUDES" >&5
 
@@ -21444,52 +23052,84 @@ $as_echo_n "checking whether compiling and linking against OpenSSL's libcrypto w
 /* end confdefs.h.  */
 #include <openssl/bn.h>
 int
-main ()
+main (void)
 {
 BN_new()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-            for ac_func in RAND_bytes RAND_pseudo_bytes CRYPTO_memcmp OPENSSL_init_crypto EVP_MD_CTX_new EVP_MD_CTX_free RSA_get0_key
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+            ac_fn_cxx_check_func "$LINENO" "RAND_bytes" "ac_cv_func_RAND_bytes"
+if test "x$ac_cv_func_RAND_bytes" = xyes
+then :
+  printf "%s\n" "#define HAVE_RAND_BYTES 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "RAND_pseudo_bytes" "ac_cv_func_RAND_pseudo_bytes"
+if test "x$ac_cv_func_RAND_pseudo_bytes" = xyes
+then :
+  printf "%s\n" "#define HAVE_RAND_PSEUDO_BYTES 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "CRYPTO_memcmp" "ac_cv_func_CRYPTO_memcmp"
+if test "x$ac_cv_func_CRYPTO_memcmp" = xyes
+then :
+  printf "%s\n" "#define HAVE_CRYPTO_MEMCMP 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "OPENSSL_init_crypto" "ac_cv_func_OPENSSL_init_crypto"
+if test "x$ac_cv_func_OPENSSL_init_crypto" = xyes
+then :
+  printf "%s\n" "#define HAVE_OPENSSL_INIT_CRYPTO 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "EVP_MD_CTX_new" "ac_cv_func_EVP_MD_CTX_new"
+if test "x$ac_cv_func_EVP_MD_CTX_new" = xyes
+then :
+  printf "%s\n" "#define HAVE_EVP_MD_CTX_NEW 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "EVP_MD_CTX_free" "ac_cv_func_EVP_MD_CTX_free"
+if test "x$ac_cv_func_EVP_MD_CTX_free" = xyes
+then :
+  printf "%s\n" "#define HAVE_EVP_MD_CTX_FREE 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "RSA_get0_key" "ac_cv_func_RSA_get0_key"
+if test "x$ac_cv_func_RSA_get0_key" = xyes
+then :
+  printf "%s\n" "#define HAVE_RSA_GET0_KEY 1" >>confdefs.h
 
 fi
-done
 
             # you might be wondering why the stdarg.h and stddef.h includes,
             # in which case please have a look at https://github.com/PowerDNS/pdns/issues/12926
             # and weep, yelling at Red Hat
-            ac_fn_cxx_check_decl "$LINENO" "EVP_PKEY_CTX_set1_scrypt_salt" "ac_cv_have_decl_EVP_PKEY_CTX_set1_scrypt_salt" "#include <stdarg.h>
+            ac_fn_check_decl "$LINENO" "EVP_PKEY_CTX_set1_scrypt_salt" "ac_cv_have_decl_EVP_PKEY_CTX_set1_scrypt_salt" "#include <stdarg.h>
                            #include <stddef.h>
                            #include <openssl/kdf.h>
-"
-if test "x$ac_cv_have_decl_EVP_PKEY_CTX_set1_scrypt_salt" = xyes; then :
+" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl_EVP_PKEY_CTX_set1_scrypt_salt" = xyes
+then :
 
-$as_echo "#define HAVE_EVP_PKEY_CTX_SET1_SCRYPT_SALT 1" >>confdefs.h
+printf "%s\n" "#define HAVE_EVP_PKEY_CTX_SET1_SCRYPT_SALT 1" >>confdefs.h
 
 fi
 
 
+else $as_nop
 
-else
-
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
     CPPFLAGS="$save_CPPFLAGS"
     LDFLAGS="$save_LDFLAGS"
@@ -21509,18 +23149,19 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable OpenSSL >= 3.0 TLS providers (experimental)" >&5
-$as_echo_n "checking whether to enable OpenSSL >= 3.0 TLS providers (experimental)... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable OpenSSL >= 3.0 TLS providers (experimental)" >&5
+printf %s "checking whether to enable OpenSSL >= 3.0 TLS providers (experimental)... " >&6; }
   # Check whether --enable-tls-providers was given.
-if test "${enable_tls_providers+set}" = set; then :
+if test ${enable_tls_providers+y}
+then :
   enableval=$enable_tls_providers; enable_tls_providers=$enableval
-else
+else $as_nop
   enable_tls_providers=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_tls_providers" >&5
-$as_echo "$enable_tls_providers" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_tls_providers" >&5
+printf "%s\n" "$enable_tls_providers" >&6; }
    if test "x$enable_tls_providers" != "xno"; then
   HAVE_TLS_PROVIDERS_TRUE=
   HAVE_TLS_PROVIDERS_FALSE='#'
@@ -21532,17 +23173,17 @@ fi
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBSSL" >&5
-$as_echo_n "checking for LIBSSL... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libssl >= 3.0" >&5
+printf %s "checking for libssl >= 3.0... " >&6; }
 
 if test -n "$LIBSSL_CFLAGS"; then
     pkg_cv_LIBSSL_CFLAGS="$LIBSSL_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl >= 3.0\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl >= 3.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libssl >= 3.0") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBSSL_CFLAGS=`$PKG_CONFIG --cflags "libssl >= 3.0" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21556,10 +23197,10 @@ if test -n "$LIBSSL_LIBS"; then
     pkg_cv_LIBSSL_LIBS="$LIBSSL_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl >= 3.0\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl >= 3.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libssl >= 3.0") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBSSL_LIBS=`$PKG_CONFIG --libs "libssl >= 3.0" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21573,8 +23214,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -21582,27 +23223,27 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBSSL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libssl >= 3.0" 2>&1`
+                LIBSSL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libssl >= 3.0" 2>&1`
         else
-	        LIBSSL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libssl >= 3.0" 2>&1`
+                LIBSSL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libssl >= 3.0" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LIBSSL_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LIBSSL_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LIBSSL_CFLAGS=$pkg_cv_LIBSSL_CFLAGS
-	LIBSSL_LIBS=$pkg_cv_LIBSSL_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LIBSSL_CFLAGS=$pkg_cv_LIBSSL_CFLAGS
+        LIBSSL_LIBS=$pkg_cv_LIBSSL_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
     HAVE_LIBSSL_3_PLUS=1
 
-$as_echo "#define HAVE_LIBSSL_3_PLUS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBSSL_3_PLUS 1" >>confdefs.h
 
 
 fi
@@ -21610,9 +23251,10 @@ fi
   if test -z "$HAVE_TLS_PROVIDERS_TRUE"; then :
 
 
-$as_echo "#define HAVE_TLS_PROVIDERS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_TLS_PROVIDERS 1" >>confdefs.h
 
-    if test "x$HAVE_LIBSSL_3_PLUS" != "x1"; then :
+    if test "x$HAVE_LIBSSL_3_PLUS" != "x1"
+then :
 
       as_fn_error $? "TLS providers support requires OpenSSL >= 3.0" "$LINENO" 5
 
@@ -21622,18 +23264,19 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable DNS over TLS support" >&5
-$as_echo_n "checking whether to enable DNS over TLS support... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable DNS over TLS support" >&5
+printf %s "checking whether to enable DNS over TLS support... " >&6; }
   # Check whether --enable-dns-over-tls was given.
-if test "${enable_dns_over_tls+set}" = set; then :
+if test ${enable_dns_over_tls+y}
+then :
   enableval=$enable_dns_over_tls; enable_dns_over_tls=$enableval
-else
+else $as_nop
   enable_dns_over_tls=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_dns_over_tls" >&5
-$as_echo "$enable_dns_over_tls" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_dns_over_tls" >&5
+printf "%s\n" "$enable_dns_over_tls" >&6; }
    if test "x$enable_dns_over_tls" != "xno"; then
   HAVE_DNS_OVER_TLS_TRUE=
   HAVE_DNS_OVER_TLS_FALSE='#'
@@ -21646,24 +23289,25 @@ fi
   if test -z "$HAVE_DNS_OVER_TLS_TRUE"; then :
 
 
-$as_echo "#define HAVE_DNS_OVER_TLS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_DNS_OVER_TLS 1" >>confdefs.h
 
 
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable incoming DNS over HTTPS (DoH) support" >&5
-$as_echo_n "checking whether to enable incoming DNS over HTTPS (DoH) support... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable incoming DNS over HTTPS (DoH) support" >&5
+printf %s "checking whether to enable incoming DNS over HTTPS (DoH) support... " >&6; }
   # Check whether --enable-dns-over-https was given.
-if test "${enable_dns_over_https+set}" = set; then :
+if test ${enable_dns_over_https+y}
+then :
   enableval=$enable_dns_over_https; enable_dns_over_https=$enableval
-else
+else $as_nop
   enable_dns_over_https=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_dns_over_https" >&5
-$as_echo "$enable_dns_over_https" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_dns_over_https" >&5
+printf "%s\n" "$enable_dns_over_https" >&6; }
    if test "x$enable_dns_over_https" != "xno"; then
   HAVE_DNS_OVER_HTTPS_TRUE=
   HAVE_DNS_OVER_HTTPS_FALSE='#'
@@ -21676,46 +23320,112 @@ fi
   if test -z "$HAVE_DNS_OVER_HTTPS_TRUE"; then :
 
 
-$as_echo "#define HAVE_DNS_OVER_HTTPS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_DNS_OVER_HTTPS 1" >>confdefs.h
 
 
 fi
 
 
-if test "x$enable_dns_over_tls" != "xno" -o "x$enable_dns_over_https" != "xno"; then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable incoming DNS over QUIC (DoQ) support" >&5
+printf %s "checking whether to enable incoming DNS over QUIC (DoQ) support... " >&6; }
+  # Check whether --enable-dns-over-quic was given.
+if test ${enable_dns_over_quic+y}
+then :
+  enableval=$enable_dns_over_quic; enable_dns_over_quic=$enableval
+else $as_nop
+  enable_dns_over_quic=no
 
+fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in OpenSSL libssl" >&5
-$as_echo_n "checking whether we will be linking in OpenSSL libssl... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_dns_over_quic" >&5
+printf "%s\n" "$enable_dns_over_quic" >&6; }
+   if test "x$enable_dns_over_quic" != "xno"; then
+  HAVE_DNS_OVER_QUIC_TRUE=
+  HAVE_DNS_OVER_QUIC_FALSE='#'
+else
+  HAVE_DNS_OVER_QUIC_TRUE='#'
+  HAVE_DNS_OVER_QUIC_FALSE=
+fi
+
+
+  if test -z "$HAVE_DNS_OVER_QUIC_TRUE"; then :
+
+
+printf "%s\n" "#define HAVE_DNS_OVER_QUIC 1" >>confdefs.h
+
+
+fi
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable incoming DNS over HTTP3 (DoH3) support" >&5
+printf %s "checking whether to enable incoming DNS over HTTP3 (DoH3) support... " >&6; }
+  # Check whether --enable-dns-over-http3 was given.
+if test ${enable_dns_over_http3+y}
+then :
+  enableval=$enable_dns_over_http3; enable_dns_over_http3=$enableval
+else $as_nop
+  enable_dns_over_http3=no
+
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_dns_over_http3" >&5
+printf "%s\n" "$enable_dns_over_http3" >&6; }
+   if test "x$enable_dns_over_http3" != "xno"; then
+  HAVE_DNS_OVER_HTTP3_TRUE=
+  HAVE_DNS_OVER_HTTP3_FALSE='#'
+else
+  HAVE_DNS_OVER_HTTP3_TRUE='#'
+  HAVE_DNS_OVER_HTTP3_FALSE=
+fi
+
+
+  if test -z "$HAVE_DNS_OVER_HTTP3_TRUE"; then :
+
+
+printf "%s\n" "#define HAVE_DNS_OVER_HTTP3 1" >>confdefs.h
+
+
+fi
+
+
+if test "x$enable_dns_over_tls" != "xno" -o "x$enable_dns_over_https" != "xno" -o "x$enable_dns_over_quic" != "xno"
+then :
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in OpenSSL libssl" >&5
+printf %s "checking whether we will be linking in OpenSSL libssl... " >&6; }
   HAVE_LIBSSL=0
 
 # Check whether --with-libssl was given.
-if test "${with_libssl+set}" = set; then :
+if test ${with_libssl+y}
+then :
   withval=$with_libssl; with_libssl=$withval
-else
+else $as_nop
   with_libssl=auto
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_libssl" >&5
-$as_echo "$with_libssl" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_libssl" >&5
+printf "%s\n" "$with_libssl" >&6; }
 
-  if test "x$with_libssl" != "xno"; then :
+  if test "x$with_libssl" != "xno"
+then :
 
-    if test "x$with_libssl" = "xyes" -o "x$with_libssl" = "xauto"; then :
+    if test "x$with_libssl" = "xyes" -o "x$with_libssl" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBSSL" >&5
-$as_echo_n "checking for LIBSSL... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libssl" >&5
+printf %s "checking for libssl... " >&6; }
 
 if test -n "$LIBSSL_CFLAGS"; then
     pkg_cv_LIBSSL_CFLAGS="$LIBSSL_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libssl") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBSSL_CFLAGS=`$PKG_CONFIG --cflags "libssl" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21729,10 +23439,10 @@ if test -n "$LIBSSL_LIBS"; then
     pkg_cv_LIBSSL_LIBS="$LIBSSL_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libssl\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libssl") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LIBSSL_LIBS=`$PKG_CONFIG --libs "libssl" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21746,8 +23456,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -21755,43 +23465,110 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBSSL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libssl" 2>&1`
+                LIBSSL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libssl" 2>&1`
         else
-	        LIBSSL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libssl" 2>&1`
+                LIBSSL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libssl" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LIBSSL_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LIBSSL_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LIBSSL_CFLAGS=$pkg_cv_LIBSSL_CFLAGS
-	LIBSSL_LIBS=$pkg_cv_LIBSSL_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LIBSSL_CFLAGS=$pkg_cv_LIBSSL_CFLAGS
+        LIBSSL_LIBS=$pkg_cv_LIBSSL_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
         HAVE_LIBSSL=1
 
-$as_echo "#define HAVE_LIBSSL 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBSSL 1" >>confdefs.h
 
         save_CFLAGS=$CFLAGS
         save_LIBS=$LIBS
         CFLAGS="$LIBSSL_CFLAGS $CFLAGS"
         LIBS="$LIBSSL_LIBS -lcrypto $LIBS"
-        for ac_func in SSL_CTX_set_ciphersuites OCSP_basic_sign SSL_CTX_set_num_tickets SSL_CTX_set_keylog_callback SSL_CTX_get0_privatekey SSL_CTX_set_min_proto_version SSL_set_hostflags SSL_CTX_set_alpn_protos SSL_CTX_set_next_proto_select_cb SSL_get0_alpn_selected SSL_get0_next_proto_negotiated SSL_CTX_set_alpn_select_cb SSL_CTX_use_cert_and_key
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+        ac_fn_cxx_check_func "$LINENO" "SSL_CTX_set_ciphersuites" "ac_cv_func_SSL_CTX_set_ciphersuites"
+if test "x$ac_cv_func_SSL_CTX_set_ciphersuites" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_SET_CIPHERSUITES 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "OCSP_basic_sign" "ac_cv_func_OCSP_basic_sign"
+if test "x$ac_cv_func_OCSP_basic_sign" = xyes
+then :
+  printf "%s\n" "#define HAVE_OCSP_BASIC_SIGN 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_set_num_tickets" "ac_cv_func_SSL_CTX_set_num_tickets"
+if test "x$ac_cv_func_SSL_CTX_set_num_tickets" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_SET_NUM_TICKETS 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_set_keylog_callback" "ac_cv_func_SSL_CTX_set_keylog_callback"
+if test "x$ac_cv_func_SSL_CTX_set_keylog_callback" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_SET_KEYLOG_CALLBACK 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_get0_privatekey" "ac_cv_func_SSL_CTX_get0_privatekey"
+if test "x$ac_cv_func_SSL_CTX_get0_privatekey" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_GET0_PRIVATEKEY 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_set_min_proto_version" "ac_cv_func_SSL_CTX_set_min_proto_version"
+if test "x$ac_cv_func_SSL_CTX_set_min_proto_version" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_SET_MIN_PROTO_VERSION 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_set_hostflags" "ac_cv_func_SSL_set_hostflags"
+if test "x$ac_cv_func_SSL_set_hostflags" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_SET_HOSTFLAGS 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_set_alpn_protos" "ac_cv_func_SSL_CTX_set_alpn_protos"
+if test "x$ac_cv_func_SSL_CTX_set_alpn_protos" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_SET_ALPN_PROTOS 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_set_next_proto_select_cb" "ac_cv_func_SSL_CTX_set_next_proto_select_cb"
+if test "x$ac_cv_func_SSL_CTX_set_next_proto_select_cb" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_SET_NEXT_PROTO_SELECT_CB 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_get0_alpn_selected" "ac_cv_func_SSL_get0_alpn_selected"
+if test "x$ac_cv_func_SSL_get0_alpn_selected" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_GET0_ALPN_SELECTED 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_get0_next_proto_negotiated" "ac_cv_func_SSL_get0_next_proto_negotiated"
+if test "x$ac_cv_func_SSL_get0_next_proto_negotiated" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_GET0_NEXT_PROTO_NEGOTIATED 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_set_alpn_select_cb" "ac_cv_func_SSL_CTX_set_alpn_select_cb"
+if test "x$ac_cv_func_SSL_CTX_set_alpn_select_cb" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_SET_ALPN_SELECT_CB 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "SSL_CTX_use_cert_and_key" "ac_cv_func_SSL_CTX_use_cert_and_key"
+if test "x$ac_cv_func_SSL_CTX_use_cert_and_key" = xyes
+then :
+  printf "%s\n" "#define HAVE_SSL_CTX_USE_CERT_AND_KEY 1" >>confdefs.h
 
 fi
-done
 
         CFLAGS=$save_CFLAGS
         LIBS=$save_LIBS
@@ -21810,9 +23587,11 @@ else
   HAVE_LIBSSL_FALSE=
 fi
 
-  if test "x$with_libssl" = "xyes"; then :
+  if test "x$with_libssl" = "xyes"
+then :
 
-    if test x"$LIBSSL_LIBS" = "x"; then :
+    if test x"$LIBSSL_LIBS" = "x"
+then :
 
       as_fn_error $? "OpenSSL libssl requested but libraries were not found" "$LINENO" 5
 
@@ -21820,44 +23599,45 @@ fi
 
 fi
 
-
-fi
-
-if test "x$enable_dns_over_tls" != "xno"; then :
+  if test "x$enable_dns_over_tls" != "xno" -o "x$enable_dns_over_https" != "xno"
+then :
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in GnuTLS" >&5
-$as_echo_n "checking whether we will be linking in GnuTLS... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in GnuTLS" >&5
+printf %s "checking whether we will be linking in GnuTLS... " >&6; }
   HAVE_GNUTLS=0
 
 # Check whether --with-gnutls was given.
-if test "${with_gnutls+set}" = set; then :
+if test ${with_gnutls+y}
+then :
   withval=$with_gnutls; with_gnutls=$withval
-else
+else $as_nop
   with_gnutls=auto
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_gnutls" >&5
-$as_echo "$with_gnutls" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_gnutls" >&5
+printf "%s\n" "$with_gnutls" >&6; }
 
-  if test "x$with_gnutls" != "xno"; then :
+  if test "x$with_gnutls" != "xno"
+then :
 
-    if test "x$with_gnutls" = "xyes" -o "x$with_gnutls" = "xauto"; then :
+    if test "x$with_gnutls" = "xyes" -o "x$with_gnutls" = "xauto"
+then :
 
       # we require gnutls_certificate_set_x509_key_file, added in 3.1.11
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNUTLS" >&5
-$as_echo_n "checking for GNUTLS... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gnutls >= 3.1.11" >&5
+printf %s "checking for gnutls >= 3.1.11... " >&6; }
 
 if test -n "$GNUTLS_CFLAGS"; then
     pkg_cv_GNUTLS_CFLAGS="$GNUTLS_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gnutls >= 3.1.11\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gnutls >= 3.1.11\""; } >&5
   ($PKG_CONFIG --exists --print-errors "gnutls >= 3.1.11") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GNUTLS_CFLAGS=`$PKG_CONFIG --cflags "gnutls >= 3.1.11" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21871,10 +23651,10 @@ if test -n "$GNUTLS_LIBS"; then
     pkg_cv_GNUTLS_LIBS="$GNUTLS_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gnutls >= 3.1.11\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gnutls >= 3.1.11\""; } >&5
   ($PKG_CONFIG --exists --print-errors "gnutls >= 3.1.11") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GNUTLS_LIBS=`$PKG_CONFIG --libs "gnutls >= 3.1.11" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -21888,8 +23668,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -21897,43 +23677,56 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        GNUTLS_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "gnutls >= 3.1.11" 2>&1`
+                GNUTLS_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "gnutls >= 3.1.11" 2>&1`
         else
-	        GNUTLS_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "gnutls >= 3.1.11" 2>&1`
+                GNUTLS_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "gnutls >= 3.1.11" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$GNUTLS_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$GNUTLS_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	GNUTLS_CFLAGS=$pkg_cv_GNUTLS_CFLAGS
-	GNUTLS_LIBS=$pkg_cv_GNUTLS_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        GNUTLS_CFLAGS=$pkg_cv_GNUTLS_CFLAGS
+        GNUTLS_LIBS=$pkg_cv_GNUTLS_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
         HAVE_GNUTLS=1
 
-$as_echo "#define HAVE_GNUTLS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GNUTLS 1" >>confdefs.h
 
         save_CFLAGS=$CFLAGS
         save_LIBS=$LIBS
         CFLAGS="$GNUTLS_CFLAGS $CFLAGS"
         LIBS="$GNUTLS_LIBS $LIBS"
-        for ac_func in gnutls_memset gnutls_session_set_verify_cert gnutls_session_get_verify_cert_status gnutls_alpn_set_protocols
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+        ac_fn_cxx_check_func "$LINENO" "gnutls_memset" "ac_cv_func_gnutls_memset"
+if test "x$ac_cv_func_gnutls_memset" = xyes
+then :
+  printf "%s\n" "#define HAVE_GNUTLS_MEMSET 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "gnutls_session_set_verify_cert" "ac_cv_func_gnutls_session_set_verify_cert"
+if test "x$ac_cv_func_gnutls_session_set_verify_cert" = xyes
+then :
+  printf "%s\n" "#define HAVE_GNUTLS_SESSION_SET_VERIFY_CERT 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "gnutls_session_get_verify_cert_status" "ac_cv_func_gnutls_session_get_verify_cert_status"
+if test "x$ac_cv_func_gnutls_session_get_verify_cert_status" = xyes
+then :
+  printf "%s\n" "#define HAVE_GNUTLS_SESSION_GET_VERIFY_CERT_STATUS 1" >>confdefs.h
+
+fi
+ac_fn_cxx_check_func "$LINENO" "gnutls_alpn_set_protocols" "ac_cv_func_gnutls_alpn_set_protocols"
+if test "x$ac_cv_func_gnutls_alpn_set_protocols" = xyes
+then :
+  printf "%s\n" "#define HAVE_GNUTLS_ALPN_SET_PROTOCOLS 1" >>confdefs.h
 
 fi
-done
 
         CFLAGS=$save_CFLAGS
         LIBS=$save_LIBS
@@ -21952,9 +23745,11 @@ else
   HAVE_GNUTLS_FALSE=
 fi
 
-  if test "x$with_gnutls" = "xyes"; then :
+  if test "x$with_gnutls" = "xyes"
+then :
 
-    if test x"$GNUTLS_LIBS" = "x"; then :
+    if test x"$GNUTLS_LIBS" = "x"
+then :
 
       as_fn_error $? "GnuTLS requested but libraries were not found" "$LINENO" 5
 
@@ -21963,7 +23758,15 @@ fi
 fi
 
 
-  if test "x$HAVE_GNUTLS" != "x1" -a "x$HAVE_LIBSSL" != "x1"; then :
+fi
+
+fi
+
+if test "x$enable_dns_over_tls" != "xno"
+then :
+
+  if test "x$HAVE_GNUTLS" != "x1" -a "x$HAVE_LIBSSL" != "x1"
+then :
 
     as_fn_error $? "DNS over TLS support requested but neither GnuTLS nor OpenSSL are available" "$LINENO" 5
 
@@ -21971,23 +23774,46 @@ fi
 
 fi
 
+if test "x$enable_dns_over_https" != "xno"
+then :
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in nghttp2" >&5
+printf %s "checking whether we will be linking in nghttp2... " >&6; }
+  HAVE_NGHTTP2=0
+
+# Check whether --with-nghttp2 was given.
+if test ${with_nghttp2+y}
+then :
+  withval=$with_nghttp2; with_nghttp2=$withval
+else $as_nop
+  with_nghttp2=auto
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_nghttp2" >&5
+printf "%s\n" "$with_nghttp2" >&6; }
+
+  if test "x$with_nghttp2" != "xno"
+then :
+
+    if test "x$with_nghttp2" = "xyes" -o "x$with_nghttp2" = "xauto"
+then :
 
-  HAVE_LIBH2OEVLOOP=0
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBH2OEVLOOP" >&5
-$as_echo_n "checking for LIBH2OEVLOOP... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libnghttp2" >&5
+printf %s "checking for libnghttp2... " >&6; }
 
-if test -n "$LIBH2OEVLOOP_CFLAGS"; then
-    pkg_cv_LIBH2OEVLOOP_CFLAGS="$LIBH2OEVLOOP_CFLAGS"
+if test -n "$NGHTTP2_CFLAGS"; then
+    pkg_cv_NGHTTP2_CFLAGS="$NGHTTP2_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libh2o-evloop\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "libh2o-evloop") 2>&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnghttp2\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libnghttp2") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_LIBH2OEVLOOP_CFLAGS=`$PKG_CONFIG --cflags "libh2o-evloop" 2>/dev/null`
+  pkg_cv_NGHTTP2_CFLAGS=`$PKG_CONFIG --cflags "libnghttp2" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -21995,16 +23821,16 @@ fi
  else
     pkg_failed=untried
 fi
-if test -n "$LIBH2OEVLOOP_LIBS"; then
-    pkg_cv_LIBH2OEVLOOP_LIBS="$LIBH2OEVLOOP_LIBS"
+if test -n "$NGHTTP2_LIBS"; then
+    pkg_cv_NGHTTP2_LIBS="$NGHTTP2_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libh2o-evloop\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "libh2o-evloop") 2>&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnghttp2\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libnghttp2") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_LIBH2OEVLOOP_LIBS=`$PKG_CONFIG --libs "libh2o-evloop" 2>/dev/null`
+  pkg_cv_NGHTTP2_LIBS=`$PKG_CONFIG --libs "libnghttp2" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -22016,8 +23842,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -22025,118 +23851,113 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBH2OEVLOOP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libh2o-evloop" 2>&1`
+                NGHTTP2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libnghttp2" 2>&1`
         else
-	        LIBH2OEVLOOP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libh2o-evloop" 2>&1`
+                NGHTTP2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libnghttp2" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LIBH2OEVLOOP_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$NGHTTP2_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	LIBH2OEVLOOP_CFLAGS=$pkg_cv_LIBH2OEVLOOP_CFLAGS
-	LIBH2OEVLOOP_LIBS=$pkg_cv_LIBH2OEVLOOP_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        NGHTTP2_CFLAGS=$pkg_cv_NGHTTP2_CFLAGS
+        NGHTTP2_LIBS=$pkg_cv_NGHTTP2_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
-    HAVE_LIBH2OEVLOOP=1
+        HAVE_NGHTTP2=1
 
-$as_echo "#define HAVE_LIBH2OEVLOOP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_NGHTTP2 1" >>confdefs.h
 
-    save_CFLAGS=$CFLAGS
-    save_LIBS=$LIBS
-    CFLAGS="$LIBH2OEVLOOP_CFLAGS $CFLAGS"
-    LIBS="$LIBH2OEVLOOP_LIBS $LIBS"
-    ac_fn_cxx_check_decl "$LINENO" "h2o_socket_get_ssl_server_name" "ac_cv_have_decl_h2o_socket_get_ssl_server_name" "$ac_includes_default
-          #include <h2o/socket.h>
+        save_CFLAGS=$CFLAGS
+        save_LIBS=$LIBS
+        CFLAGS="$NGHTTP2_CFLAGS $CFLAGS"
+        LIBS="$NGHTTP2_LIBS $LIBS"
+        ac_fn_cxx_check_func "$LINENO" "nghttp2_check_header_value_rfc9113" "ac_cv_func_nghttp2_check_header_value_rfc9113"
+if test "x$ac_cv_func_nghttp2_check_header_value_rfc9113" = xyes
+then :
+  printf "%s\n" "#define HAVE_NGHTTP2_CHECK_HEADER_VALUE_RFC9113 1" >>confdefs.h
 
-"
-if test "x$ac_cv_have_decl_h2o_socket_get_ssl_server_name" = xyes; then :
-  ac_have_decl=1
-else
-  ac_have_decl=0
 fi
+ac_fn_cxx_check_func "$LINENO" "nghttp2_check_method" "ac_cv_func_nghttp2_check_method"
+if test "x$ac_cv_func_nghttp2_check_method" = xyes
+then :
+  printf "%s\n" "#define HAVE_NGHTTP2_CHECK_METHOD 1" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_H2O_SOCKET_GET_SSL_SERVER_NAME $ac_have_decl
-_ACEOF
-if test $ac_have_decl = 1; then :
-
+fi
+ac_fn_cxx_check_func "$LINENO" "nghttp2_check_path" "ac_cv_func_nghttp2_check_path"
+if test "x$ac_cv_func_nghttp2_check_path" = xyes
+then :
+  printf "%s\n" "#define HAVE_NGHTTP2_CHECK_PATH 1" >>confdefs.h
 
-$as_echo "#define HAVE_H2O_SOCKET_GET_SSL_SERVER_NAME 1" >>confdefs.h
+fi
 
+        CFLAGS=$save_CFLAGS
+        LIBS=$save_LIBS
 
-else
-   :
 fi
 
-    CFLAGS=$save_CFLAGS
-    LIBS=$save_LIBS
+fi
 
 fi
-   if test "x$LIBH2OEVLOOP_LIBS" != "x"; then
-  HAVE_LIBH2OEVLOOP_TRUE=
-  HAVE_LIBH2OEVLOOP_FALSE='#'
+   if test "x$NGHTTP2_LIBS" != "x"; then
+  HAVE_NGHTTP2_TRUE=
+  HAVE_NGHTTP2_FALSE='#'
 else
-  HAVE_LIBH2OEVLOOP_TRUE='#'
-  HAVE_LIBH2OEVLOOP_FALSE=
+  HAVE_NGHTTP2_TRUE='#'
+  HAVE_NGHTTP2_FALSE=
 fi
 
+  if test "x$with_nghttp2" = "xyes"
+then :
 
-if test "x$enable_dns_over_https" != "xno"; then :
-
-  if test "x$HAVE_LIBH2OEVLOOP" != "x1"; then :
+    if test x"$NGHTTP2_LIBS" = "x"
+then :
 
-    as_fn_error $? "DNS over HTTPS support requested but libh2o-evloop was not found" "$LINENO" 5
-
-fi
-
-  if test "x$HAVE_LIBSSL" != "x1"; then :
-
-    as_fn_error $? "DNS over HTTPS support requested but OpenSSL was not found" "$LINENO" 5
+      as_fn_error $? "nghttp2 requested but libraries were not found" "$LINENO" 5
 
 fi
 
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in nghttp2" >&5
-$as_echo_n "checking whether we will be linking in nghttp2... " >&6; }
-  HAVE_NGHTTP2=0
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will be linking in libh2o-evloop" >&5
+printf %s "checking whether we will be linking in libh2o-evloop... " >&6; }
+  HAVE_LIBH2OEVLOOP=0
 
-# Check whether --with-nghttp2 was given.
-if test "${with_nghttp2+set}" = set; then :
-  withval=$with_nghttp2; with_nghttp2=$withval
-else
-  with_nghttp2=auto
+# Check whether --with-h2o was given.
+if test ${with_h2o+y}
+then :
+  withval=$with_h2o; with_h2o=$withval
+else $as_nop
+  with_h2o=no
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_nghttp2" >&5
-$as_echo "$with_nghttp2" >&6; }
-
-  if test "x$with_nghttp2" != "xno"; then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_h2o" >&5
+printf "%s\n" "$with_h2o" >&6; }
 
-    if test "x$with_nghttp2" = "xyes" -o "x$with_nghttp2" = "xauto"; then :
+  if test "x$with_h2o" = "xyes" -o "x$with_h2o" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for NGHTTP2" >&5
-$as_echo_n "checking for NGHTTP2... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libh2o-evloop" >&5
+printf %s "checking for libh2o-evloop... " >&6; }
 
-if test -n "$NGHTTP2_CFLAGS"; then
-    pkg_cv_NGHTTP2_CFLAGS="$NGHTTP2_CFLAGS"
+if test -n "$LIBH2OEVLOOP_CFLAGS"; then
+    pkg_cv_LIBH2OEVLOOP_CFLAGS="$LIBH2OEVLOOP_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnghttp2\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "libnghttp2") 2>&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libh2o-evloop\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libh2o-evloop") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_NGHTTP2_CFLAGS=`$PKG_CONFIG --cflags "libnghttp2" 2>/dev/null`
+  pkg_cv_LIBH2OEVLOOP_CFLAGS=`$PKG_CONFIG --cflags "libh2o-evloop" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -22144,16 +23965,16 @@ fi
  else
     pkg_failed=untried
 fi
-if test -n "$NGHTTP2_LIBS"; then
-    pkg_cv_NGHTTP2_LIBS="$NGHTTP2_LIBS"
+if test -n "$LIBH2OEVLOOP_LIBS"; then
+    pkg_cv_LIBH2OEVLOOP_LIBS="$LIBH2OEVLOOP_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnghttp2\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "libnghttp2") 2>&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libh2o-evloop\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "libh2o-evloop") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_NGHTTP2_LIBS=`$PKG_CONFIG --libs "libnghttp2" 2>/dev/null`
+  pkg_cv_LIBH2OEVLOOP_LIBS=`$PKG_CONFIG --libs "libh2o-evloop" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -22165,8 +23986,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -22174,86 +23995,171 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        NGHTTP2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libnghttp2" 2>&1`
+                LIBH2OEVLOOP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libh2o-evloop" 2>&1`
         else
-	        NGHTTP2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libnghttp2" 2>&1`
+                LIBH2OEVLOOP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libh2o-evloop" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$NGHTTP2_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LIBH2OEVLOOP_PKG_ERRORS" >&5
 
-	 :
+         :
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 else
-	NGHTTP2_CFLAGS=$pkg_cv_NGHTTP2_CFLAGS
-	NGHTTP2_LIBS=$pkg_cv_NGHTTP2_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LIBH2OEVLOOP_CFLAGS=$pkg_cv_LIBH2OEVLOOP_CFLAGS
+        LIBH2OEVLOOP_LIBS=$pkg_cv_LIBH2OEVLOOP_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
-        HAVE_NGHTTP2=1
+      HAVE_LIBH2OEVLOOP=1
 
-$as_echo "#define HAVE_NGHTTP2 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBH2OEVLOOP 1" >>confdefs.h
 
+      save_CFLAGS=$CFLAGS
+      save_LIBS=$LIBS
+      CFLAGS="$LIBH2OEVLOOP_CFLAGS $CFLAGS"
+      LIBS="$LIBH2OEVLOOP_LIBS $LIBS"
+      ac_fn_check_decl "$LINENO" "h2o_socket_get_ssl_server_name" "ac_cv_have_decl_h2o_socket_get_ssl_server_name" "$ac_includes_default
+          #include <h2o/socket.h>
 
+" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl_h2o_socket_get_ssl_server_name" = xyes
+then :
+  ac_have_decl=1
+else $as_nop
+  ac_have_decl=0
 fi
+printf "%s\n" "#define HAVE_DECL_H2O_SOCKET_GET_SSL_SERVER_NAME $ac_have_decl" >>confdefs.h
+if test $ac_have_decl = 1
+then :
 
+
+printf "%s\n" "#define HAVE_H2O_SOCKET_GET_SSL_SERVER_NAME 1" >>confdefs.h
+
+
+else $as_nop
+   :
 fi
 
+      CFLAGS=$save_CFLAGS
+      LIBS=$save_LIBS
+
 fi
-   if test "x$NGHTTP2_LIBS" != "x"; then
-  HAVE_NGHTTP2_TRUE=
-  HAVE_NGHTTP2_FALSE='#'
+
+fi
+   if test "x$LIBH2OEVLOOP_LIBS" != "x"; then
+  HAVE_LIBH2OEVLOOP_TRUE=
+  HAVE_LIBH2OEVLOOP_FALSE='#'
 else
-  HAVE_NGHTTP2_TRUE='#'
-  HAVE_NGHTTP2_FALSE=
+  HAVE_LIBH2OEVLOOP_TRUE='#'
+  HAVE_LIBH2OEVLOOP_FALSE=
 fi
 
-  if test "x$with_nghttp2" = "xyes"; then :
+  if test -z "$HAVE_LIBH2OEVLOOP_TRUE"; then :
 
-    if test x"$NGHTTP2_LIBS" = "x"; then :
 
-      as_fn_error $? "nghttp2 requested but libraries were not found" "$LINENO" 5
+printf "%s\n" "#define HAVE_LIBH2OEVLOOP 1" >>confdefs.h
+
+
+fi
+
+  if test "x$with_h2o" = "xyes"
+then :
+
+    if test x"LIBH2OEVLOOP_LIBS" = "x"
+then :
+
+      as_fn_error $? "h2o-evloop requested but libraries were not found" "$LINENO" 5
+
+fi
+
+fi
+
+
+  if test "x$HAVE_LIBH2OEVLOOP" != "x1" -a "x$HAVE_NGHTTP2" != "x1"
+then :
+
+    as_fn_error $? "DNS over HTTPS support requested but neither libh2o-evloop nor nghttp2 was not found" "$LINENO" 5
+
+fi
+
+  if test "x$HAVE_GNUTLS" != "x1" -a "x$HAVE_LIBSSL" != "x1"
+then :
+
+    as_fn_error $? "DNS over HTTPS support requested but neither GnuTLS nor OpenSSL are available" "$LINENO" 5
+
+fi
+
+fi
+
+if test "x$enable_dns_over_quic" != "xno"
+then :
+
+  if test "x$HAVE_QUICHE" != "x1"
+then :
+
+    as_fn_error $? "DNS over QUIC support requested but quiche was not found" "$LINENO" 5
+
+fi
+  if test "x$HAVE_LIBSSL" != "x1"
+then :
+
+    as_fn_error $? "DNS over QUIC support requested but OpenSSL is not available" "$LINENO" 5
+
+fi
 
 fi
 
+if test "x$enable_dns_over_http3" != "xno"
+then :
+
+  if test "x$HAVE_QUICHE" != "x1"
+then :
+
+    as_fn_error $? "DNS over HTTP/3 support requested but quiche was not found" "$LINENO" 5
+
 fi
 
+fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will we liniking with libcdb" >&5
-$as_echo_n "checking whether we will we liniking with libcdb... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will we liniking with libcdb" >&5
+printf %s "checking whether we will we liniking with libcdb... " >&6; }
   HAVE_CDB=0
 
 # Check whether --with-cdb was given.
-if test "${with_cdb+set}" = set; then :
+if test ${with_cdb+y}
+then :
   withval=$with_cdb; with_cdb=$withval
-else
+else $as_nop
   with_cdb=auto
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_cdb" >&5
-$as_echo "$with_cdb" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_cdb" >&5
+printf "%s\n" "$with_cdb" >&6; }
 
-  if test "x$with_cdb" != "xno"; then :
+  if test "x$with_cdb" != "xno"
+then :
 
-    if test "x$with_cdb" = "xyes" -o "x$with_cdb" = "xauto"; then :
+    if test "x$with_cdb" = "xyes" -o "x$with_cdb" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CDB" >&5
-$as_echo_n "checking for CDB... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libcdb" >&5
+printf %s "checking for libcdb... " >&6; }
 
 if test -n "$CDB_CFLAGS"; then
     pkg_cv_CDB_CFLAGS="$CDB_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcdb\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcdb\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libcdb") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CDB_CFLAGS=`$PKG_CONFIG --cflags "libcdb" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -22267,10 +24173,10 @@ if test -n "$CDB_LIBS"; then
     pkg_cv_CDB_LIBS="$CDB_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcdb\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcdb\""; } >&5
   ($PKG_CONFIG --exists --print-errors "libcdb") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CDB_LIBS=`$PKG_CONFIG --libs "libcdb" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -22284,8 +24190,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -22293,153 +24199,147 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        CDB_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libcdb" 2>&1`
+                CDB_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libcdb" 2>&1`
         else
-	        CDB_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libcdb" 2>&1`
+                CDB_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libcdb" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$CDB_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$CDB_PKG_ERRORS" >&5
 
-	for ac_header in cdb.h
+               for ac_header in cdb.h
 do :
-  ac_fn_cxx_check_header_mongrel "$LINENO" "cdb.h" "ac_cv_header_cdb_h" "$ac_includes_default"
-if test "x$ac_cv_header_cdb_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_CDB_H 1
-_ACEOF
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cdb_find in -lcdb" >&5
-$as_echo_n "checking for cdb_find in -lcdb... " >&6; }
-if ${ac_cv_lib_cdb_cdb_find+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  ac_fn_cxx_check_header_compile "$LINENO" "cdb.h" "ac_cv_header_cdb_h" "$ac_includes_default"
+if test "x$ac_cv_header_cdb_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_CDB_H 1" >>confdefs.h
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cdb_find in -lcdb" >&5
+printf %s "checking for cdb_find in -lcdb... " >&6; }
+if test ${ac_cv_lib_cdb_cdb_find+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcdb  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char cdb_find ();
+namespace conftest {
+  extern "C" int cdb_find ();
+}
 int
-main ()
+main (void)
 {
-return cdb_find ();
+return conftest::cdb_find ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_lib_cdb_cdb_find=yes
-else
+else $as_nop
   ac_cv_lib_cdb_cdb_find=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cdb_cdb_find" >&5
-$as_echo "$ac_cv_lib_cdb_cdb_find" >&6; }
-if test "x$ac_cv_lib_cdb_cdb_find" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cdb_cdb_find" >&5
+printf "%s\n" "$ac_cv_lib_cdb_cdb_find" >&6; }
+if test "x$ac_cv_lib_cdb_cdb_find" = xyes
+then :
 
               CDB_LIBS="-lcdb"
 
-$as_echo "#define HAVE_CDB 1" >>confdefs.h
+printf "%s\n" "#define HAVE_CDB 1" >>confdefs.h
 
               HAVE_CDB=1
 
-else
+else $as_nop
   :
 
 fi
 
-else
+else $as_nop
   :
 
 fi
 
 done
 
-
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	for ac_header in cdb.h
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+               for ac_header in cdb.h
 do :
-  ac_fn_cxx_check_header_mongrel "$LINENO" "cdb.h" "ac_cv_header_cdb_h" "$ac_includes_default"
-if test "x$ac_cv_header_cdb_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_CDB_H 1
-_ACEOF
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cdb_find in -lcdb" >&5
-$as_echo_n "checking for cdb_find in -lcdb... " >&6; }
-if ${ac_cv_lib_cdb_cdb_find+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  ac_fn_cxx_check_header_compile "$LINENO" "cdb.h" "ac_cv_header_cdb_h" "$ac_includes_default"
+if test "x$ac_cv_header_cdb_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_CDB_H 1" >>confdefs.h
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cdb_find in -lcdb" >&5
+printf %s "checking for cdb_find in -lcdb... " >&6; }
+if test ${ac_cv_lib_cdb_cdb_find+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcdb  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char cdb_find ();
+namespace conftest {
+  extern "C" int cdb_find ();
+}
 int
-main ()
+main (void)
 {
-return cdb_find ();
+return conftest::cdb_find ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_lib_cdb_cdb_find=yes
-else
+else $as_nop
   ac_cv_lib_cdb_cdb_find=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cdb_cdb_find" >&5
-$as_echo "$ac_cv_lib_cdb_cdb_find" >&6; }
-if test "x$ac_cv_lib_cdb_cdb_find" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cdb_cdb_find" >&5
+printf "%s\n" "$ac_cv_lib_cdb_cdb_find" >&6; }
+if test "x$ac_cv_lib_cdb_cdb_find" = xyes
+then :
 
               CDB_LIBS="-lcdb"
 
-$as_echo "#define HAVE_CDB 1" >>confdefs.h
+printf "%s\n" "#define HAVE_CDB 1" >>confdefs.h
 
               HAVE_CDB=1
 
-else
+else $as_nop
   :
 
 fi
 
-else
+else $as_nop
   :
 
 fi
 
 done
 
-
 else
-	CDB_CFLAGS=$pkg_cv_CDB_CFLAGS
-	CDB_LIBS=$pkg_cv_CDB_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        CDB_CFLAGS=$pkg_cv_CDB_CFLAGS
+        CDB_LIBS=$pkg_cv_CDB_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
         HAVE_CDB=1
 
-$as_echo "#define HAVE_CDB 1" >>confdefs.h
+printf "%s\n" "#define HAVE_CDB 1" >>confdefs.h
 
 
 fi
@@ -22457,9 +24357,11 @@ else
   HAVE_CDB_FALSE=
 fi
 
-  if test "x$with_cdb" = "xyes"; then :
+  if test "x$with_cdb" = "xyes"
+then :
 
-    if test x"$CDB_LIBS" = "x"; then :
+    if test x"$CDB_LIBS" = "x"
+then :
 
       as_fn_error $? "CDB requested but libraries were not found" "$LINENO" 5
 
@@ -22468,40 +24370,43 @@ fi
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking where to find the lmdb library and headers" >&5
-$as_echo_n "checking where to find the lmdb library and headers... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking where to find the lmdb library and headers" >&5
+printf %s "checking where to find the lmdb library and headers... " >&6; }
 
 # Check whether --with-lmdb was given.
-if test "${with_lmdb+set}" = set; then :
+if test ${with_lmdb+y}
+then :
   withval=$with_lmdb;
     with_lmdb=$withval
 
-else
+else $as_nop
 
     with_lmdb=auto
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_lmdb" >&5
-$as_echo "$with_lmdb" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_lmdb" >&5
+printf "%s\n" "$with_lmdb" >&6; }
 
-  if test "$with_lmdb" != "no"; then :
+  if test "$with_lmdb" != "no"
+then :
 
-    if test "x$with_lmdb" = "xyes" -o "x$with_lmdb" = "xauto"; then :
+    if test "x$with_lmdb" = "xyes" -o "x$with_lmdb" = "xauto"
+then :
 
 
 pkg_failed=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LMDB" >&5
-$as_echo_n "checking for LMDB... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lmdb" >&5
+printf %s "checking for lmdb... " >&6; }
 
 if test -n "$LMDB_CFLAGS"; then
     pkg_cv_LMDB_CFLAGS="$LMDB_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lmdb\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lmdb\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lmdb") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LMDB_CFLAGS=`$PKG_CONFIG --cflags "lmdb" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -22515,10 +24420,10 @@ if test -n "$LMDB_LIBS"; then
     pkg_cv_LMDB_LIBS="$LMDB_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lmdb\""; } >&5
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lmdb\""; } >&5
   ($PKG_CONFIG --exists --print-errors "lmdb") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_LMDB_LIBS=`$PKG_CONFIG --libs "lmdb" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
@@ -22532,8 +24437,8 @@ fi
 
 
 if test $pkg_failed = yes; then
-   	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$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
@@ -22541,43 +24446,44 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LMDB_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lmdb" 2>&1`
+                LMDB_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "lmdb" 2>&1`
         else
-	        LMDB_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lmdb" 2>&1`
+                LMDB_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "lmdb" 2>&1`
         fi
-	# Put the nasty error message in config.log where it belongs
-	echo "$LMDB_PKG_ERRORS" >&5
+        # Put the nasty error message in config.log where it belongs
+        echo "$LMDB_PKG_ERRORS" >&5
 
-	 :
+         :
 
 elif test $pkg_failed = untried; then
-     	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-	 :
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+         :
 
 else
-	LMDB_CFLAGS=$pkg_cv_LMDB_CFLAGS
-	LMDB_LIBS=$pkg_cv_LMDB_LIBS
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        LMDB_CFLAGS=$pkg_cv_LMDB_CFLAGS
+        LMDB_LIBS=$pkg_cv_LMDB_LIBS
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 
 
-$as_echo "#define HAVE_LMDB 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LMDB 1" >>confdefs.h
 
         HAVE_LMDB=1
 
 fi
 
-else
+else $as_nop
 
       save_CPPFLAGS=$CPPFLAGS
       save_LIBS=$LIBS
-      if test -d "$with_lmdb/include"; then :
+      if test -d "$with_lmdb/include"
+then :
 
         LMDB_CFLAGS="-I$with_lmdb/include"
         LMDB_LIBS="-L$with_lmdb/lib"
 
-else
+else $as_nop
 
         LMDB_CFLAGS="-I$with_lmdb"
         LMDB_LIBS="-L$with_lmdb"
@@ -22586,82 +24492,82 @@ fi
       CPPFLAGS="$LMDB_CFLAGS"
       LIBS="$LMDB_LIBS"
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing mdb_env_open" >&5
-$as_echo_n "checking for library containing mdb_env_open... " >&6; }
-if ${ac_cv_search_mdb_env_open+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing mdb_env_open" >&5
+printf %s "checking for library containing mdb_env_open... " >&6; }
+if test ${ac_cv_search_mdb_env_open+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.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char mdb_env_open ();
+namespace conftest {
+  extern "C" int mdb_env_open ();
+}
 int
-main ()
+main (void)
 {
-return mdb_env_open ();
+return conftest::mdb_env_open ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' lmdb; do
+for ac_lib in '' lmdb
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  if ac_fn_cxx_try_link "$LINENO"
+then :
   ac_cv_search_mdb_env_open=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_mdb_env_open+:} false; then :
+  if test ${ac_cv_search_mdb_env_open+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_mdb_env_open+:} false; then :
+if test ${ac_cv_search_mdb_env_open+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_mdb_env_open=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mdb_env_open" >&5
-$as_echo "$ac_cv_search_mdb_env_open" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mdb_env_open" >&5
+printf "%s\n" "$ac_cv_search_mdb_env_open" >&6; }
 ac_res=$ac_cv_search_mdb_env_open
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-        for ac_header in lmdb.h
+               for ac_header in lmdb.h
 do :
-  ac_fn_cxx_check_header_mongrel "$LINENO" "lmdb.h" "ac_cv_header_lmdb_h" "$ac_includes_default"
-if test "x$ac_cv_header_lmdb_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LMDB_H 1
-_ACEOF
+  ac_fn_cxx_check_header_compile "$LINENO" "lmdb.h" "ac_cv_header_lmdb_h" "$ac_includes_default"
+if test "x$ac_cv_header_lmdb_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_LMDB_H 1" >>confdefs.h
 
                     LMDB_LIBS="$LMDB_LIBS $ac_cv_search_mdb_env_open"
 
-$as_echo "#define HAVE_LMDB 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LMDB 1" >>confdefs.h
 
           HAVE_LMDB=1
 
-else
+else $as_nop
 
           as_fn_error $? "lmdb headers not found in $with_lmdb" "$LINENO" 5
 
 fi
 
 done
-
         CPPFLAGS="$save_CPPFLAGS"
         LIBS="$save_LIBS"
 
@@ -22683,28 +24589,31 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable ipcipher support" >&5
-$as_echo_n "checking whether to enable ipcipher support... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable ipcipher support" >&5
+printf %s "checking whether to enable ipcipher support... " >&6; }
   HAVE_IPCIPHER=0
   # Check whether --enable-ipcipher was given.
-if test "${enable_ipcipher+set}" = set; then :
+if test ${enable_ipcipher+y}
+then :
   enableval=$enable_ipcipher; enable_ipcipher=$enableval
-else
+else $as_nop
   enable_ipcipher=auto
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_ipcipher" >&5
-$as_echo "$enable_ipcipher" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_ipcipher" >&5
+printf "%s\n" "$enable_ipcipher" >&6; }
 
-  if test "x$enable_ipcipher" != "xno"; then :
+  if test "x$enable_ipcipher" != "xno"
+then :
 
-    if test "x$enable_ipcipher" = "xyes" -o "x$enable_ipcipher" = "xauto"; then :
+    if test "x$enable_ipcipher" = "xyes" -o "x$enable_ipcipher" = "xauto"
+then :
 
       if test -z "$HAVE_LIBCRYPTO_TRUE"; then :
 
 
-$as_echo "#define HAVE_IPCIPHER 1" >>confdefs.h
+printf "%s\n" "#define HAVE_IPCIPHER 1" >>confdefs.h
 
         HAVE_IPCIPHER=1
 
@@ -22722,9 +24631,11 @@ else
 fi
 
 
-  if test "x$enable_ipcipher" = "xyes"; then :
+  if test "x$enable_ipcipher" = "xyes"
+then :
 
-    if test x"$HAVE_IPCIPHER" = "x0"; then :
+    if test x"$HAVE_IPCIPHER" = "x0"
+then :
 
       as_fn_error $? "ipcipher support requested but libcrypto is not available" "$LINENO" 5
 
@@ -22746,12 +24657,13 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
     if test x$ac_success = xno; then
                 for alternative in ${ax_cxx_compile_alternatives}; do
       for switch in -std=c++${alternative} +std=c++${alternative} "-h std=c++${alternative}"; do
-        cachevar=`$as_echo "ax_cv_cxx_compile_cxx17_$switch" | $as_tr_sh`
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features with $switch" >&5
-$as_echo_n "checking whether $CXX supports C++17 features with $switch... " >&6; }
-if eval \${$cachevar+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+        cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx17_$switch" | $as_tr_sh`
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features with $switch" >&5
+printf %s "checking whether $CXX supports C++17 features with $switch... " >&6; }
+if eval test \${$cachevar+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_save_CXX="$CXX"
            CXX="$CXX $switch"
            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -23542,17 +25454,18 @@ namespace cxx17
 
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   eval $cachevar=yes
-else
+else $as_nop
   eval $cachevar=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
            CXX="$ac_save_CXX"
 fi
 eval ac_res=\$$cachevar
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
         if eval test x\$$cachevar = xyes; then
           CXX="$CXX $switch"
           if test -n "$CXXCPP" ; then
@@ -23580,35 +25493,37 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   fi
   if test x$ac_success = xno; then
     HAVE_CXX17=0
-    { $as_echo "$as_me:${as_lineno-$LINENO}: No compiler with C++17 support was found" >&5
-$as_echo "$as_me: No compiler with C++17 support was found" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: No compiler with C++17 support was found" >&5
+printf "%s\n" "$as_me: No compiler with C++17 support was found" >&6;}
   else
     HAVE_CXX17=1
 
-$as_echo "#define HAVE_CXX17 1" >>confdefs.h
+printf "%s\n" "#define HAVE_CXX17 1" >>confdefs.h
 
   fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we will enable compiler security checks" >&5
-$as_echo_n "checking whether we will enable compiler security checks... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we will enable compiler security checks" >&5
+printf %s "checking whether we will enable compiler security checks... " >&6; }
 # Check whether --enable-hardening was given.
-if test "${enable_hardening+set}" = set; then :
+if test ${enable_hardening+y}
+then :
   enableval=$enable_hardening; enable_hardening=$enableval
-else
+else $as_nop
   enable_hardening=yes
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_hardening" >&5
-$as_echo "$enable_hardening" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_hardening" >&5
+printf "%s\n" "$enable_hardening" >&6; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -Werror -Wunknown-warning-option" >&5
-$as_echo_n "checking whether C++ compiler handles -Werror -Wunknown-warning-option... " >&6; }
-if ${gl_cv_warn_cxx__Werror__Wunknown_warning_option+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -Werror -Wunknown-warning-option" >&5
+printf %s "checking whether C++ compiler handles -Werror -Wunknown-warning-option... " >&6; }
+if test ${gl_cv_warn_cxx__Werror__Wunknown_warning_option+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option"
@@ -23616,32 +25531,35 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__Werror__Wunknown_warning_option=yes
-else
+else $as_nop
   gl_cv_warn_cxx__Werror__Wunknown_warning_option=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__Werror__Wunknown_warning_option" >&5
-$as_echo "$gl_cv_warn_cxx__Werror__Wunknown_warning_option" >&6; }
-if test "x$gl_cv_warn_cxx__Werror__Wunknown_warning_option" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__Werror__Wunknown_warning_option" >&5
+printf "%s\n" "$gl_cv_warn_cxx__Werror__Wunknown_warning_option" >&6; }
+if test "x$gl_cv_warn_cxx__Werror__Wunknown_warning_option" = xyes
+then :
   gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror'
-else
+else $as_nop
   gl_unknown_warnings_are_errors=
 fi
 
-if test "x$enable_hardening" != "xno"; then :
+if test "x$enable_hardening" != "xno"
+then :
 
 
 
@@ -23652,11 +25570,12 @@ if test "x$enable_hardening" != "xno"; then :
       *-*-mingw* | *-*-msvc* | *-*-cygwin* )
          ;;       *)
         CXXFLAGS="-fPIE -DPIE"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -pie" >&5
-$as_echo_n "checking whether C++ compiler handles -pie... " >&6; }
-if ${gl_cv_warn_cxx__pie+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -pie" >&5
+printf %s "checking whether C++ compiler handles -pie... " >&6; }
+if test ${gl_cv_warn_cxx__pie+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -pie"
@@ -23667,7 +25586,7 @@ else
 __thread unsigned int t_id;
 
 int
-main ()
+main (void)
 {
 t_id = 1;
   ;
@@ -23675,30 +25594,33 @@ t_id = 1;
 }
 
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__pie=yes
-else
+else $as_nop
   gl_cv_warn_cxx__pie=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__pie" >&5
-$as_echo "$gl_cv_warn_cxx__pie" >&6; }
-if test "x$gl_cv_warn_cxx__pie" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__pie" >&5
+printf "%s\n" "$gl_cv_warn_cxx__pie" >&6; }
+if test "x$gl_cv_warn_cxx__pie" = xyes
+then :
 
           PIE_CFLAGS="-fPIE -DPIE"
           PIE_LDFLAGS="-pie"
 
-else
+else $as_nop
 
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -Wl,-pie" >&5
-$as_echo_n "checking whether C++ compiler handles -Wl,-pie... " >&6; }
-if ${gl_cv_warn_cxx__Wl__pie+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -Wl,-pie" >&5
+printf %s "checking whether C++ compiler handles -Wl,-pie... " >&6; }
+if test ${gl_cv_warn_cxx__Wl__pie+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -Wl,-pie"
@@ -23709,7 +25631,7 @@ else
 __thread unsigned int t_id;
 
 int
-main ()
+main (void)
 {
 t_id = 1;
   ;
@@ -23717,19 +25639,21 @@ t_id = 1;
 }
 
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__Wl__pie=yes
-else
+else $as_nop
   gl_cv_warn_cxx__Wl__pie=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__Wl__pie" >&5
-$as_echo "$gl_cv_warn_cxx__Wl__pie" >&6; }
-if test "x$gl_cv_warn_cxx__Wl__pie" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__Wl__pie" >&5
+printf "%s\n" "$gl_cv_warn_cxx__Wl__pie" >&6; }
+if test "x$gl_cv_warn_cxx__Wl__pie" = xyes
+then :
 
               PIE_CFLAGS="-fPIE -DPIE"
               PIE_LDFLAGS="-Wl,-pie"
@@ -23745,11 +25669,12 @@ fi
 
 
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fstack-protector" >&5
-$as_echo_n "checking whether C++ compiler handles -fstack-protector... " >&6; }
-if ${gl_cv_warn_cxx__fstack_protector+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fstack-protector" >&5
+printf %s "checking whether C++ compiler handles -fstack-protector... " >&6; }
+if test ${gl_cv_warn_cxx__fstack_protector+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fstack-protector"
@@ -23757,26 +25682,28 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__fstack_protector=yes
-else
+else $as_nop
   gl_cv_warn_cxx__fstack_protector=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fstack_protector" >&5
-$as_echo "$gl_cv_warn_cxx__fstack_protector" >&6; }
-if test "x$gl_cv_warn_cxx__fstack_protector" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fstack_protector" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fstack_protector" >&6; }
+if test "x$gl_cv_warn_cxx__fstack_protector" = xyes
+then :
 
         CFLAGS="-fstack-protector $CFLAGS"
         CXXFLAGS="-fstack-protector $CXXFLAGS"
@@ -23785,11 +25712,12 @@ fi
 
 
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles --param ssp-buffer-size=4" >&5
-$as_echo_n "checking whether C++ compiler handles --param ssp-buffer-size=4... " >&6; }
-if ${gl_cv_warn_cxx___param_ssp_buffer_size_4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles --param ssp-buffer-size=4" >&5
+printf %s "checking whether C++ compiler handles --param ssp-buffer-size=4... " >&6; }
+if test ${gl_cv_warn_cxx___param_ssp_buffer_size_4+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors --param ssp-buffer-size=4"
@@ -23797,26 +25725,28 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx___param_ssp_buffer_size_4=yes
-else
+else $as_nop
   gl_cv_warn_cxx___param_ssp_buffer_size_4=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx___param_ssp_buffer_size_4" >&5
-$as_echo "$gl_cv_warn_cxx___param_ssp_buffer_size_4" >&6; }
-if test "x$gl_cv_warn_cxx___param_ssp_buffer_size_4" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx___param_ssp_buffer_size_4" >&5
+printf "%s\n" "$gl_cv_warn_cxx___param_ssp_buffer_size_4" >&6; }
+if test "x$gl_cv_warn_cxx___param_ssp_buffer_size_4" = xyes
+then :
 
         CFLAGS="--param ssp-buffer-size=4 $CFLAGS"
         CXXFLAGS="--param ssp-buffer-size=4 $CXXFLAGS"
@@ -23826,28 +25756,33 @@ fi
 
 
   # Check whether --enable-fortify-source was given.
-if test "${enable_fortify_source+set}" = set; then :
+if test ${enable_fortify_source+y}
+then :
   enableval=$enable_fortify_source; enable_fortify_source=$enableval
-else
+else $as_nop
   enable_fortify_source=2
 
 fi
 
 
-  if test "x$enable_fortify_source" != "xno"; then :
+  if test "x$enable_fortify_source" != "xno"
+then :
 
 
-        if test "x$enable_fortify_source" == "xauto"; then :
+        if test "x$enable_fortify_source" == "xauto"
+then :
   enable_fortify_source=3
 fi
 
-        if test "x$enable_fortify_source" == "x3"; then :
+        if test "x$enable_fortify_source" == "x3"
+then :
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -D_FORTIFY_SOURCE=3" >&5
-$as_echo_n "checking whether C++ compiler handles -D_FORTIFY_SOURCE=3... " >&6; }
-if ${gl_cv_warn_cxx__D_FORTIFY_SOURCE_3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -D_FORTIFY_SOURCE=3" >&5
+printf %s "checking whether C++ compiler handles -D_FORTIFY_SOURCE=3... " >&6; }
+if test ${gl_cv_warn_cxx__D_FORTIFY_SOURCE_3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -D_FORTIFY_SOURCE=3"
@@ -23855,44 +25790,48 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__D_FORTIFY_SOURCE_3=yes
-else
+else $as_nop
   gl_cv_warn_cxx__D_FORTIFY_SOURCE_3=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__D_FORTIFY_SOURCE_3" >&5
-$as_echo "$gl_cv_warn_cxx__D_FORTIFY_SOURCE_3" >&6; }
-if test "x$gl_cv_warn_cxx__D_FORTIFY_SOURCE_3" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__D_FORTIFY_SOURCE_3" >&5
+printf "%s\n" "$gl_cv_warn_cxx__D_FORTIFY_SOURCE_3" >&6; }
+if test "x$gl_cv_warn_cxx__D_FORTIFY_SOURCE_3" = xyes
+then :
 
         CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 $CFLAGS"
         CXXFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 $CXXFLAGS"
 
-else
+else $as_nop
   enable_fortify_source=2
 fi
 
 
 fi
 
-        if test "x$enable_fortify_source" == "x2"; then :
+        if test "x$enable_fortify_source" == "x2"
+then :
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -D_FORTIFY_SOURCE=2" >&5
-$as_echo_n "checking whether C++ compiler handles -D_FORTIFY_SOURCE=2... " >&6; }
-if ${gl_cv_warn_cxx__D_FORTIFY_SOURCE_2+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -D_FORTIFY_SOURCE=2" >&5
+printf %s "checking whether C++ compiler handles -D_FORTIFY_SOURCE=2... " >&6; }
+if test ${gl_cv_warn_cxx__D_FORTIFY_SOURCE_2+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -D_FORTIFY_SOURCE=2"
@@ -23900,44 +25839,48 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__D_FORTIFY_SOURCE_2=yes
-else
+else $as_nop
   gl_cv_warn_cxx__D_FORTIFY_SOURCE_2=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__D_FORTIFY_SOURCE_2" >&5
-$as_echo "$gl_cv_warn_cxx__D_FORTIFY_SOURCE_2" >&6; }
-if test "x$gl_cv_warn_cxx__D_FORTIFY_SOURCE_2" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__D_FORTIFY_SOURCE_2" >&5
+printf "%s\n" "$gl_cv_warn_cxx__D_FORTIFY_SOURCE_2" >&6; }
+if test "x$gl_cv_warn_cxx__D_FORTIFY_SOURCE_2" = xyes
+then :
 
         CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
         CXXFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CXXFLAGS"
 
-else
+else $as_nop
   enable_fortify_source=1
 fi
 
 
 fi
 
-    if test "x$enable_fortify_source" == "x1"; then :
+    if test "x$enable_fortify_source" == "x1"
+then :
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -D_FORTIFY_SOURCE=1" >&5
-$as_echo_n "checking whether C++ compiler handles -D_FORTIFY_SOURCE=1... " >&6; }
-if ${gl_cv_warn_cxx__D_FORTIFY_SOURCE_1+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -D_FORTIFY_SOURCE=1" >&5
+printf %s "checking whether C++ compiler handles -D_FORTIFY_SOURCE=1... " >&6; }
+if test ${gl_cv_warn_cxx__D_FORTIFY_SOURCE_1+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -D_FORTIFY_SOURCE=1"
@@ -23945,31 +25888,33 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__D_FORTIFY_SOURCE_1=yes
-else
+else $as_nop
   gl_cv_warn_cxx__D_FORTIFY_SOURCE_1=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__D_FORTIFY_SOURCE_1" >&5
-$as_echo "$gl_cv_warn_cxx__D_FORTIFY_SOURCE_1" >&6; }
-if test "x$gl_cv_warn_cxx__D_FORTIFY_SOURCE_1" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__D_FORTIFY_SOURCE_1" >&5
+printf "%s\n" "$gl_cv_warn_cxx__D_FORTIFY_SOURCE_1" >&6; }
+if test "x$gl_cv_warn_cxx__D_FORTIFY_SOURCE_1" = xyes
+then :
 
         CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 $CFLAGS"
         CXXFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 $CXXFLAGS"
 
-else
+else $as_nop
   enable_fortify_source=no
 fi
 
@@ -23979,14 +25924,14 @@ fi
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether FORTIFY_SOURCE is supported" >&5
-$as_echo_n "checking whether FORTIFY_SOURCE is supported... " >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_fortify_source" >&5
-$as_echo "$enable_fortify_source" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether FORTIFY_SOURCE is supported" >&5
+printf %s "checking whether FORTIFY_SOURCE is supported... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_fortify_source" >&5
+printf "%s\n" "$enable_fortify_source" >&6; }
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for how to force completely read-only GOT table" >&5
-$as_echo_n "checking for how to force completely read-only GOT table... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for how to force completely read-only GOT table" >&5
+printf %s "checking for how to force completely read-only GOT table... " >&6; }
 
     RELRO_LDFLAGS=
     ld_help=`$CXX -Wl,-help 2>&1`
@@ -23997,12 +25942,13 @@ $as_echo_n "checking for how to force completely read-only GOT table... " >&6; }
         *"-z now"*) RELRO_LDFLAGS="$RELRO_LDFLAGS -Wl,-z -Wl,now" ;;
     esac
 
-    if test "x$RELRO_LDFLAGS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RELRO_LDFLAGS" >&5
-$as_echo "$RELRO_LDFLAGS" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
-$as_echo "unknown" >&6; }
+    if test "x$RELRO_LDFLAGS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RELRO_LDFLAGS" >&5
+printf "%s\n" "$RELRO_LDFLAGS" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
+printf "%s\n" "unknown" >&6; }
 
 fi
 
@@ -24010,31 +25956,35 @@ fi
 fi
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable initialization of automatic variables" >&5
-$as_echo_n "checking whether to enable initialization of automatic variables... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable initialization of automatic variables" >&5
+printf %s "checking whether to enable initialization of automatic variables... " >&6; }
   # Check whether --enable-auto-var-init was given.
-if test "${enable_auto_var_init+set}" = set; then :
+if test ${enable_auto_var_init+y}
+then :
   enableval=$enable_auto_var_init; enable_initautovars=$enableval
-else
+else $as_nop
   enable_initautovars=no
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_initautovars" >&5
-$as_echo "$enable_initautovars" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_initautovars" >&5
+printf "%s\n" "$enable_initautovars" >&6; }
 
-  if test "x$enable_initautovars" = "xyes"; then :
+  if test "x$enable_initautovars" = "xyes"
+then :
 
     enable_initautovars=zero
 
 fi
 
-  if test "x$enable_initautovars" = "xzero" ; then :
+  if test "x$enable_initautovars" = "xzero"
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -ftrivial-auto-var-init=zero" >&5
-$as_echo_n "checking whether C++ compiler handles -ftrivial-auto-var-init=zero... " >&6; }
-if ${gl_cv_warn_cxx__ftrivial_auto_var_init_zero+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -ftrivial-auto-var-init=zero" >&5
+printf %s "checking whether C++ compiler handles -ftrivial-auto-var-init=zero... " >&6; }
+if test ${gl_cv_warn_cxx__ftrivial_auto_var_init_zero+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -ftrivial-auto-var-init=zero"
@@ -24042,26 +25992,28 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__ftrivial_auto_var_init_zero=yes
-else
+else $as_nop
   gl_cv_warn_cxx__ftrivial_auto_var_init_zero=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__ftrivial_auto_var_init_zero" >&5
-$as_echo "$gl_cv_warn_cxx__ftrivial_auto_var_init_zero" >&6; }
-if test "x$gl_cv_warn_cxx__ftrivial_auto_var_init_zero" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__ftrivial_auto_var_init_zero" >&5
+printf "%s\n" "$gl_cv_warn_cxx__ftrivial_auto_var_init_zero" >&6; }
+if test "x$gl_cv_warn_cxx__ftrivial_auto_var_init_zero" = xyes
+then :
 
       CFLAGS="-ftrivial-auto-var-init=zero $CFLAGS"
       CXXFLAGS="-ftrivial-auto-var-init=zero $CXXFLAGS"
@@ -24071,13 +26023,15 @@ fi
 
 fi
 
-  if test "x$enable_initautovars" = "xpattern" ; then :
+  if test "x$enable_initautovars" = "xpattern"
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -ftrivial-auto-var-init=pattern" >&5
-$as_echo_n "checking whether C++ compiler handles -ftrivial-auto-var-init=pattern... " >&6; }
-if ${gl_cv_warn_cxx__ftrivial_auto_var_init_pattern+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -ftrivial-auto-var-init=pattern" >&5
+printf %s "checking whether C++ compiler handles -ftrivial-auto-var-init=pattern... " >&6; }
+if test ${gl_cv_warn_cxx__ftrivial_auto_var_init_pattern+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -ftrivial-auto-var-init=pattern"
@@ -24085,26 +26039,28 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__ftrivial_auto_var_init_pattern=yes
-else
+else $as_nop
   gl_cv_warn_cxx__ftrivial_auto_var_init_pattern=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__ftrivial_auto_var_init_pattern" >&5
-$as_echo "$gl_cv_warn_cxx__ftrivial_auto_var_init_pattern" >&6; }
-if test "x$gl_cv_warn_cxx__ftrivial_auto_var_init_pattern" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__ftrivial_auto_var_init_pattern" >&5
+printf "%s\n" "$gl_cv_warn_cxx__ftrivial_auto_var_init_pattern" >&6; }
+if test "x$gl_cv_warn_cxx__ftrivial_auto_var_init_pattern" = xyes
+then :
 
       CFLAGS="-ftrivial-auto-var-init=pattern $CFLAGS"
       CXXFLAGS="-ftrivial-auto-var-init=pattern $CXXFLAGS"
@@ -24118,26 +26074,29 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable AddressSanitizer" >&5
-$as_echo_n "checking whether to enable AddressSanitizer... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable AddressSanitizer" >&5
+printf %s "checking whether to enable AddressSanitizer... " >&6; }
   # Check whether --enable-asan was given.
-if test "${enable_asan+set}" = set; then :
+if test ${enable_asan+y}
+then :
   enableval=$enable_asan; enable_asan=$enableval
-else
+else $as_nop
   enable_asan=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_asan" >&5
-$as_echo "$enable_asan" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_asan" >&5
+printf "%s\n" "$enable_asan" >&6; }
 
-  if test "x$enable_asan" != "xno"; then :
+  if test "x$enable_asan" != "xno"
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=address" >&5
-$as_echo_n "checking whether C++ compiler handles -fsanitize=address... " >&6; }
-if ${gl_cv_warn_cxx__fsanitize_address+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=address" >&5
+printf %s "checking whether C++ compiler handles -fsanitize=address... " >&6; }
+if test ${gl_cv_warn_cxx__fsanitize_address+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fsanitize=address"
@@ -24145,56 +26104,58 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__fsanitize_address=yes
-else
+else $as_nop
   gl_cv_warn_cxx__fsanitize_address=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_address" >&5
-$as_echo "$gl_cv_warn_cxx__fsanitize_address" >&6; }
-if test "x$gl_cv_warn_cxx__fsanitize_address" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_address" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fsanitize_address" >&6; }
+if test "x$gl_cv_warn_cxx__fsanitize_address" = xyes
+then :
 
         SANITIZER_FLAGS="-fsanitize=address $SANITIZER_FLAGS"
-        for ac_header in sanitizer/common_interface_defs.h
+               for ac_header in sanitizer/common_interface_defs.h
 do :
-  ac_fn_cxx_check_header_mongrel "$LINENO" "sanitizer/common_interface_defs.h" "ac_cv_header_sanitizer_common_interface_defs_h" "$ac_includes_default"
-if test "x$ac_cv_header_sanitizer_common_interface_defs_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SANITIZER_COMMON_INTERFACE_DEFS_H 1
-_ACEOF
+  ac_fn_cxx_check_header_compile "$LINENO" "sanitizer/common_interface_defs.h" "ac_cv_header_sanitizer_common_interface_defs_h" "$ac_includes_default"
+if test "x$ac_cv_header_sanitizer_common_interface_defs_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SANITIZER_COMMON_INTERFACE_DEFS_H 1" >>confdefs.h
  asan_headers=yes
-else
+else $as_nop
   asan_headers=no
 fi
 
 done
+        if test x"$asan_headers" = "xyes"
+then :
+  ac_fn_check_decl "$LINENO" "__sanitizer_start_switch_fiber" "ac_cv_have_decl___sanitizer_start_switch_fiber" "#include <sanitizer/common_interface_defs.h>
 
-        if test x"$asan_headers" = "xyes" ; then :
-  ac_fn_cxx_check_decl "$LINENO" "__sanitizer_start_switch_fiber" "ac_cv_have_decl___sanitizer_start_switch_fiber" "#include <sanitizer/common_interface_defs.h>
-
-"
-if test "x$ac_cv_have_decl___sanitizer_start_switch_fiber" = xyes; then :
+" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
+if test "x$ac_cv_have_decl___sanitizer_start_switch_fiber" = xyes
+then :
 
-              { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the exact signature of __sanitizer_finish_switch_fiber" >&5
-$as_echo_n "checking for the exact signature of __sanitizer_finish_switch_fiber... " >&6; }
+              { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the exact signature of __sanitizer_finish_switch_fiber" >&5
+printf %s "checking for the exact signature of __sanitizer_finish_switch_fiber... " >&6; }
               cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
                 #include <sanitizer/common_interface_defs.h>
 int
-main ()
+main (void)
 {
 
                     __sanitizer_finish_switch_fiber(nullptr);
@@ -24204,25 +26165,26 @@ main ()
 }
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: a single pointer" >&5
-$as_echo "a single pointer" >&6; }
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: a single pointer" >&5
+printf "%s\n" "a single pointer" >&6; }
 
-$as_echo "#define HAVE_FIBER_SANITIZER 1" >>confdefs.h
+printf "%s\n" "#define HAVE_FIBER_SANITIZER 1" >>confdefs.h
 
 
-$as_echo "#define HAVE_SANITIZER_FINISH_SWITCH_FIBER_SINGLE_PTR 1" >>confdefs.h
+printf "%s\n" "#define HAVE_SANITIZER_FINISH_SWITCH_FIBER_SINGLE_PTR 1" >>confdefs.h
 
 
-else
+else $as_nop
 
                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
                   #include <sanitizer/common_interface_defs.h>
 int
-main ()
+main (void)
 {
 
                       __sanitizer_finish_switch_fiber(nullptr, nullptr, nullptr);
@@ -24232,41 +26194,41 @@ main ()
 }
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
 
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: result: three pointers" >&5
-$as_echo "three pointers" >&6; }
+                  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: three pointers" >&5
+printf "%s\n" "three pointers" >&6; }
 
-$as_echo "#define HAVE_FIBER_SANITIZER 1" >>confdefs.h
+printf "%s\n" "#define HAVE_FIBER_SANITIZER 1" >>confdefs.h
 
 
-$as_echo "#define HAVE_SANITIZER_FINISH_SWITCH_FIBER_THREE_PTRS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_SANITIZER_FINISH_SWITCH_FIBER_THREE_PTRS 1" >>confdefs.h
 
 
-else
+else $as_nop
 
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
-$as_echo "unknown" >&6; }
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: ASAN fiber switching is not available due to an unknown API version" >&5
-$as_echo "$as_me: ASAN fiber switching is not available due to an unknown API version" >&6;}
+                  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
+printf "%s\n" "unknown" >&6; }
+                  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: ASAN fiber switching is not available due to an unknown API version" >&5
+printf "%s\n" "$as_me: ASAN fiber switching is not available due to an unknown API version" >&6;}
 
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
-else
+else $as_nop
 
-              { $as_echo "$as_me:${as_lineno-$LINENO}: ASAN fiber switching is not available" >&5
-$as_echo "$as_me: ASAN fiber switching is not available" >&6;}
+              { printf "%s\n" "$as_me:${as_lineno-$LINENO}: ASAN fiber switching is not available" >&5
+printf "%s\n" "$as_me: ASAN fiber switching is not available" >&6;}
 
 fi
 
-
 fi
 
-else
+else $as_nop
   as_fn_error $? "Cannot enable AddressSanitizer" "$LINENO" 5
 
 fi
@@ -24277,26 +26239,29 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable MemorySanitizer" >&5
-$as_echo_n "checking whether to enable MemorySanitizer... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable MemorySanitizer" >&5
+printf %s "checking whether to enable MemorySanitizer... " >&6; }
   # Check whether --enable-msan was given.
-if test "${enable_msan+set}" = set; then :
+if test ${enable_msan+y}
+then :
   enableval=$enable_msan; enable_msan=$enableval
-else
+else $as_nop
   enable_msan=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_msan" >&5
-$as_echo "$enable_msan" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_msan" >&5
+printf "%s\n" "$enable_msan" >&6; }
 
-  if test "x$enable_msan" != "xno"; then :
+  if test "x$enable_msan" != "xno"
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=memory" >&5
-$as_echo_n "checking whether C++ compiler handles -fsanitize=memory... " >&6; }
-if ${gl_cv_warn_cxx__fsanitize_memory+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=memory" >&5
+printf %s "checking whether C++ compiler handles -fsanitize=memory... " >&6; }
+if test ${gl_cv_warn_cxx__fsanitize_memory+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fsanitize=memory"
@@ -24304,28 +26269,30 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__fsanitize_memory=yes
-else
+else $as_nop
   gl_cv_warn_cxx__fsanitize_memory=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_memory" >&5
-$as_echo "$gl_cv_warn_cxx__fsanitize_memory" >&6; }
-if test "x$gl_cv_warn_cxx__fsanitize_memory" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_memory" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fsanitize_memory" >&6; }
+if test "x$gl_cv_warn_cxx__fsanitize_memory" = xyes
+then :
   SANITIZER_FLAGS="-fsanitize=memory $SANITIZER_FLAGS"
-else
+else $as_nop
   as_fn_error $? "Cannot enable MemorySanitizer" "$LINENO" 5
 
 fi
@@ -24336,26 +26303,29 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable ThreadSanitizer" >&5
-$as_echo_n "checking whether to enable ThreadSanitizer... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable ThreadSanitizer" >&5
+printf %s "checking whether to enable ThreadSanitizer... " >&6; }
   # Check whether --enable-tsan was given.
-if test "${enable_tsan+set}" = set; then :
+if test ${enable_tsan+y}
+then :
   enableval=$enable_tsan; enable_tsan=$enableval
-else
+else $as_nop
   enable_tsan=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_tsan" >&5
-$as_echo "$enable_tsan" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_tsan" >&5
+printf "%s\n" "$enable_tsan" >&6; }
 
-  if test "x$enable_tsan" != "xno"; then :
+  if test "x$enable_tsan" != "xno"
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=thread" >&5
-$as_echo_n "checking whether C++ compiler handles -fsanitize=thread... " >&6; }
-if ${gl_cv_warn_cxx__fsanitize_thread+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=thread" >&5
+printf %s "checking whether C++ compiler handles -fsanitize=thread... " >&6; }
+if test ${gl_cv_warn_cxx__fsanitize_thread+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fsanitize=thread"
@@ -24363,28 +26333,30 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__fsanitize_thread=yes
-else
+else $as_nop
   gl_cv_warn_cxx__fsanitize_thread=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_thread" >&5
-$as_echo "$gl_cv_warn_cxx__fsanitize_thread" >&6; }
-if test "x$gl_cv_warn_cxx__fsanitize_thread" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_thread" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fsanitize_thread" >&6; }
+if test "x$gl_cv_warn_cxx__fsanitize_thread" = xyes
+then :
   SANITIZER_FLAGS="-fsanitize=thread $SANITIZER_FLAGS"
-else
+else $as_nop
   as_fn_error $? "Cannot enable ThreadSanitizer" "$LINENO" 5
 
 fi
@@ -24395,26 +26367,29 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable LeakSanitizer" >&5
-$as_echo_n "checking whether to enable LeakSanitizer... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable LeakSanitizer" >&5
+printf %s "checking whether to enable LeakSanitizer... " >&6; }
   # Check whether --enable-lsan was given.
-if test "${enable_lsan+set}" = set; then :
+if test ${enable_lsan+y}
+then :
   enableval=$enable_lsan; enable_lsan=$enableval
-else
+else $as_nop
   enable_lsan=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_lsan" >&5
-$as_echo "$enable_lsan" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_lsan" >&5
+printf "%s\n" "$enable_lsan" >&6; }
 
-  if test "x$enable_lsan" != "xno"; then :
+  if test "x$enable_lsan" != "xno"
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=leak" >&5
-$as_echo_n "checking whether C++ compiler handles -fsanitize=leak... " >&6; }
-if ${gl_cv_warn_cxx__fsanitize_leak+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=leak" >&5
+printf %s "checking whether C++ compiler handles -fsanitize=leak... " >&6; }
+if test ${gl_cv_warn_cxx__fsanitize_leak+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fsanitize=leak"
@@ -24422,28 +26397,30 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__fsanitize_leak=yes
-else
+else $as_nop
   gl_cv_warn_cxx__fsanitize_leak=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_leak" >&5
-$as_echo "$gl_cv_warn_cxx__fsanitize_leak" >&6; }
-if test "x$gl_cv_warn_cxx__fsanitize_leak" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_leak" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fsanitize_leak" >&6; }
+if test "x$gl_cv_warn_cxx__fsanitize_leak" = xyes
+then :
   SANITIZER_FLAGS="-fsanitize=leak $SANITIZER_FLAGS"
-else
+else $as_nop
   as_fn_error $? "Cannot enable LeakSanitizer" "$LINENO" 5
 
 fi
@@ -24454,26 +26431,29 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable Undefined Behaviour Sanitizer" >&5
-$as_echo_n "checking whether to enable Undefined Behaviour Sanitizer... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable Undefined Behaviour Sanitizer" >&5
+printf %s "checking whether to enable Undefined Behaviour Sanitizer... " >&6; }
   # Check whether --enable-ubsan was given.
-if test "${enable_ubsan+set}" = set; then :
+if test ${enable_ubsan+y}
+then :
   enableval=$enable_ubsan; enable_ubsan=$enableval
-else
+else $as_nop
   enable_ubsan=no
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_ubsan" >&5
-$as_echo "$enable_ubsan" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_ubsan" >&5
+printf "%s\n" "$enable_ubsan" >&6; }
 
-  if test "x$enable_ubsan" != "xno"; then :
+  if test "x$enable_ubsan" != "xno"
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=undefined" >&5
-$as_echo_n "checking whether C++ compiler handles -fsanitize=undefined... " >&6; }
-if ${gl_cv_warn_cxx__fsanitize_undefined+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fsanitize=undefined" >&5
+printf %s "checking whether C++ compiler handles -fsanitize=undefined... " >&6; }
+if test ${gl_cv_warn_cxx__fsanitize_undefined+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fsanitize=undefined"
@@ -24481,28 +26461,30 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__fsanitize_undefined=yes
-else
+else $as_nop
   gl_cv_warn_cxx__fsanitize_undefined=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_undefined" >&5
-$as_echo "$gl_cv_warn_cxx__fsanitize_undefined" >&6; }
-if test "x$gl_cv_warn_cxx__fsanitize_undefined" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fsanitize_undefined" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fsanitize_undefined" >&6; }
+if test "x$gl_cv_warn_cxx__fsanitize_undefined" = xyes
+then :
   SANITIZER_FLAGS="-fsanitize=undefined $SANITIZER_FLAGS"
-else
+else $as_nop
   as_fn_error $? "Cannot enable Undefined Behaviour Sanitizer" "$LINENO" 5
 
 fi
@@ -24512,38 +26494,44 @@ fi
 
 
 
-  if test "x$enable_asan" != "xno" -a "x$enable_tsan" != "xno"; then :
+  if test "x$enable_asan" != "xno" -a "x$enable_tsan" != "xno"
+then :
 
     as_fn_error $? "Address Sanitizer is not compatible with Thread Sanitizer" "$LINENO" 5
 
 fi
 
-  if test "x$enable_msan" != "xno" -a "x$enable_asan" != "xno"; then :
+  if test "x$enable_msan" != "xno" -a "x$enable_asan" != "xno"
+then :
 
     as_fn_error $? "Memory Sanitizer is not compatible with Address Sanitizer" "$LINENO" 5
 
 fi
 
-  if test "x$enable_msan" != "xno" -a "x$enable_lsan" != "xno"; then :
+  if test "x$enable_msan" != "xno" -a "x$enable_lsan" != "xno"
+then :
 
     as_fn_error $? "Memory Sanitizer is not compatible with Leak Sanitizer" "$LINENO" 5
 
 fi
 
-  if test "x$enable_msan" != "xno" -a "x$enable_tsan" != "xno"; then :
+  if test "x$enable_msan" != "xno" -a "x$enable_tsan" != "xno"
+then :
 
     as_fn_error $? "Memory Sanitizer is not compatible with Thread Sanitizer" "$LINENO" 5
 
 fi
 
-  if test "x$enable_asan" != "xno" -o "x$enable_tsan" != "xno" -o "x$enable_lsan" != "xno" -o "x$enable_ubsan" != "xno" -o "x$enable_msan" != "xno"; then :
+  if test "x$enable_asan" != "xno" -o "x$enable_tsan" != "xno" -o "x$enable_lsan" != "xno" -o "x$enable_ubsan" != "xno" -o "x$enable_msan" != "xno"
+then :
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fno-omit-frame-pointer" >&5
-$as_echo_n "checking whether C++ compiler handles -fno-omit-frame-pointer... " >&6; }
-if ${gl_cv_warn_cxx__fno_omit_frame_pointer+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fno-omit-frame-pointer" >&5
+printf %s "checking whether C++ compiler handles -fno-omit-frame-pointer... " >&6; }
+if test ${gl_cv_warn_cxx__fno_omit_frame_pointer+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fno-omit-frame-pointer"
@@ -24551,26 +26539,28 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__fno_omit_frame_pointer=yes
-else
+else $as_nop
   gl_cv_warn_cxx__fno_omit_frame_pointer=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fno_omit_frame_pointer" >&5
-$as_echo "$gl_cv_warn_cxx__fno_omit_frame_pointer" >&6; }
-if test "x$gl_cv_warn_cxx__fno_omit_frame_pointer" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fno_omit_frame_pointer" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fno_omit_frame_pointer" >&6; }
+if test "x$gl_cv_warn_cxx__fno_omit_frame_pointer" = xyes
+then :
   as_fn_append WARN_CFLAGS " -fno-omit-frame-pointer"
 fi
 
@@ -24580,24 +26570,28 @@ fi
 
 
   # Check whether --enable-lto was given.
-if test "${enable_lto+set}" = set; then :
+if test ${enable_lto+y}
+then :
   enableval=$enable_lto; enable_lto=$enableval
-else
+else $as_nop
   enable_lto=no
 
 fi
 
 
-  if test "x$enable_lto" != "xno"; then :
+  if test "x$enable_lto" != "xno"
+then :
 
 
-        if test "x$enable_lto" == "xthin"; then :
+        if test "x$enable_lto" == "xthin"
+then :
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -flto=thin" >&5
-$as_echo_n "checking whether C++ compiler handles -flto=thin... " >&6; }
-if ${gl_cv_warn_cxx__flto_thin+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -flto=thin" >&5
+printf %s "checking whether C++ compiler handles -flto=thin... " >&6; }
+if test ${gl_cv_warn_cxx__flto_thin+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -flto=thin"
@@ -24605,45 +26599,49 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__flto_thin=yes
-else
+else $as_nop
   gl_cv_warn_cxx__flto_thin=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__flto_thin" >&5
-$as_echo "$gl_cv_warn_cxx__flto_thin" >&6; }
-if test "x$gl_cv_warn_cxx__flto_thin" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__flto_thin" >&5
+printf "%s\n" "$gl_cv_warn_cxx__flto_thin" >&6; }
+if test "x$gl_cv_warn_cxx__flto_thin" = xyes
+then :
 
         CFLAGS="-flto=thin $CFLAGS"
         CXXFLAGS="-flto=thin $CXXFLAGS"
         LDFLAGS="-flto=thin $LDFLAGS"
 
-else
+else $as_nop
   enable_lto=auto
 fi
 
 
 fi
 
-        if test "x$enable_lto" == "xauto"; then :
+        if test "x$enable_lto" == "xauto"
+then :
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -flto=auto" >&5
-$as_echo_n "checking whether C++ compiler handles -flto=auto... " >&6; }
-if ${gl_cv_warn_cxx__flto_auto+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -flto=auto" >&5
+printf %s "checking whether C++ compiler handles -flto=auto... " >&6; }
+if test ${gl_cv_warn_cxx__flto_auto+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -flto=auto"
@@ -24651,45 +26649,49 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__flto_auto=yes
-else
+else $as_nop
   gl_cv_warn_cxx__flto_auto=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__flto_auto" >&5
-$as_echo "$gl_cv_warn_cxx__flto_auto" >&6; }
-if test "x$gl_cv_warn_cxx__flto_auto" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__flto_auto" >&5
+printf "%s\n" "$gl_cv_warn_cxx__flto_auto" >&6; }
+if test "x$gl_cv_warn_cxx__flto_auto" = xyes
+then :
 
         CFLAGS="-flto=auto $CFLAGS"
         CXXFLAGS="-flto=auto $CXXFLAGS"
         LDFLAGS="-flto=auto $LDFLAGS"
 
-else
+else $as_nop
   enable_lto=yes
 fi
 
 
 fi
 
-    if test "x$enable_lto" == "xyes"; then :
+    if test "x$enable_lto" == "xyes"
+then :
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -flto" >&5
-$as_echo_n "checking whether C++ compiler handles -flto... " >&6; }
-if ${gl_cv_warn_cxx__flto+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -flto" >&5
+printf %s "checking whether C++ compiler handles -flto... " >&6; }
+if test ${gl_cv_warn_cxx__flto+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   gl_save_compiler_FLAGS="$CXXFLAGS"
   as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -flto"
@@ -24697,32 +26699,34 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   gl_cv_warn_cxx__flto=yes
-else
+else $as_nop
   gl_cv_warn_cxx__flto=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CXXFLAGS="$gl_save_compiler_FLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__flto" >&5
-$as_echo "$gl_cv_warn_cxx__flto" >&6; }
-if test "x$gl_cv_warn_cxx__flto" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__flto" >&5
+printf "%s\n" "$gl_cv_warn_cxx__flto" >&6; }
+if test "x$gl_cv_warn_cxx__flto" = xyes
+then :
 
         CFLAGS="-flto $CFLAGS"
         CXXFLAGS="-flto $CXXFLAGS"
         LDFLAGS="-flto $LDFLAGS"
 
-else
+else $as_nop
   enable_lto=no
 fi
 
@@ -24731,10 +26735,128 @@ fi
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether link-time optimization is supported" >&5
-$as_echo_n "checking whether link-time optimization is supported... " >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_lto" >&5
-$as_echo "$enable_lto" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether link-time optimization is supported" >&5
+printf %s "checking whether link-time optimization is supported... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_lto" >&5
+printf "%s\n" "$enable_lto" >&6; }
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable code coverage" >&5
+printf %s "checking whether to enable code coverage... " >&6; }
+  # Check whether --enable-coverage was given.
+if test ${enable_coverage+y}
+then :
+  enableval=$enable_coverage; enable_coverage=$enableval
+else $as_nop
+  enable_coverage=no
+
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_coverage" >&5
+printf "%s\n" "$enable_coverage" >&6; }
+
+  if test "x$enable_coverage" = "xclang"
+then :
+
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fprofile-instr-generate -fcoverage-mapping" >&5
+printf %s "checking whether C++ compiler handles -fprofile-instr-generate -fcoverage-mapping... " >&6; }
+if test ${gl_cv_warn_cxx__fprofile_instr_generate__fcoverage_mapping+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+  gl_save_compiler_FLAGS="$CXXFLAGS"
+  as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fprofile-instr-generate -fcoverage-mapping"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"
+then :
+  gl_cv_warn_cxx__fprofile_instr_generate__fcoverage_mapping=yes
+else $as_nop
+  gl_cv_warn_cxx__fprofile_instr_generate__fcoverage_mapping=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  CXXFLAGS="$gl_save_compiler_FLAGS"
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fprofile_instr_generate__fcoverage_mapping" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fprofile_instr_generate__fcoverage_mapping" >&6; }
+if test "x$gl_cv_warn_cxx__fprofile_instr_generate__fcoverage_mapping" = xyes
+then :
+
+      CFLAGS="$CFLAGS -DCOVERAGE -DCLANG_COVERAGE -fprofile-instr-generate -fcoverage-mapping"
+      CXXFLAGS="$CXXFLAGS -DCOVERAGE -DCLANG_COVERAGE -fprofile-instr-generate -fcoverage-mapping"
+
+else $as_nop
+
+      as_fn_error $? "$CXX does not support gathering coverage data in the clang format" "$LINENO" 5
+
+fi
+
+
+fi
+
+  if test "x$enable_coverage" = "xyes"
+then :
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler handles -fprofile-arcs -ftest-coverage" >&5
+printf %s "checking whether C++ compiler handles -fprofile-arcs -ftest-coverage... " >&6; }
+if test ${gl_cv_warn_cxx__fprofile_arcs__ftest_coverage+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+  gl_save_compiler_FLAGS="$CXXFLAGS"
+  as_fn_append CXXFLAGS " $gl_unknown_warnings_are_errors -fprofile-arcs -ftest-coverage"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"
+then :
+  gl_cv_warn_cxx__fprofile_arcs__ftest_coverage=yes
+else $as_nop
+  gl_cv_warn_cxx__fprofile_arcs__ftest_coverage=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  CXXFLAGS="$gl_save_compiler_FLAGS"
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_cxx__fprofile_arcs__ftest_coverage" >&5
+printf "%s\n" "$gl_cv_warn_cxx__fprofile_arcs__ftest_coverage" >&6; }
+if test "x$gl_cv_warn_cxx__fprofile_arcs__ftest_coverage" = xyes
+then :
+
+      CFLAGS="$CFLAGS -DCOVERAGE --coverage"
+      CXXFLAGS="$CXXFLAGS -DCOVERAGE --coverage"
+      LDFLAGS="$LDFLAGS --coverage"
+
+else $as_nop
+
+      as_fn_error $? "$CXX does not support gathering coverage data" "$LINENO" 5
+
+fi
+
+
+fi
 
 
 
@@ -24746,8 +26868,8 @@ $as_echo "$enable_lto" >&6; }
 
         if test -n "$PYTHON"; then
       # If the user set $PYTHON, use it and don't search something else.
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $PYTHON version is >= 3.6" >&5
-$as_echo_n "checking whether $PYTHON version is >= 3.6... " >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $PYTHON version is >= 3.6" >&5
+printf %s "checking whether $PYTHON version is >= 3.6... " >&6; }
       prog="import sys
 # split strings by '.' and convert to numeric.  Append some zeros
 # because we need at least 4 digits for the hex conversion.
@@ -24761,25 +26883,27 @@ sys.exit(sys.hexversion < minverhex)"
    ($PYTHON -c "$prog") >&5 2>&5
    ac_status=$?
    echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+   (exit $ac_status); }
+then :
+  { printf "%s\n" "$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; }
 			       as_fn_error $? "Python interpreter is too old" "$LINENO" 5
 fi
       am_display_PYTHON=$PYTHON
     else
       # Otherwise, try each interpreter until we find one that satisfies
       # VERSION.
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a Python interpreter with version >= 3.6" >&5
-$as_echo_n "checking for a Python interpreter with version >= 3.6... " >&6; }
-if ${am_cv_pathless_PYTHON+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-	for am_cv_pathless_PYTHON in python python2 python3  python3.9 python3.8 python3.7 python3.6 python3.5 python3.4 python3.3  python3.2 python3.1 python3.0  python2.7 python2.6 python2.5 python2.4 python2.3 python2.2 python2.1  python2.0 none; do
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a Python interpreter with version >= 3.6" >&5
+printf %s "checking for a Python interpreter with version >= 3.6... " >&6; }
+if test ${am_cv_pathless_PYTHON+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+	for am_cv_pathless_PYTHON in python python2 python3  python3.15 python3.14 python3.13 python3.12 python3.11 python3.10  python3.9 python3.8 python3.7 python3.6 python3.5 python3.4 python3.3  python3.2 python3.1 python3.0  python2.7 python2.6 python2.5 python2.4 python2.3 python2.2 python2.1  python2.0 none; do
 	  test "$am_cv_pathless_PYTHON" = none && break
 	  prog="import sys
 # split strings by '.' and convert to numeric.  Append some zeros
@@ -24794,24 +26918,26 @@ sys.exit(sys.hexversion < minverhex)"
    ($am_cv_pathless_PYTHON -c "$prog") >&5 2>&5
    ac_status=$?
    echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; then :
+   (exit $ac_status); }
+then :
   break
 fi
 	done
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_pathless_PYTHON" >&5
-$as_echo "$am_cv_pathless_PYTHON" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_pathless_PYTHON" >&5
+printf "%s\n" "$am_cv_pathless_PYTHON" >&6; }
       # Set $PYTHON to the absolute path of $am_cv_pathless_PYTHON.
       if test "$am_cv_pathless_PYTHON" = none; then
 	PYTHON=:
       else
         # Extract the first word of "$am_cv_pathless_PYTHON", so it can be a program name with args.
 set dummy $am_cv_pathless_PYTHON; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_PYTHON+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_PYTHON+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   case $PYTHON in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_PYTHON="$PYTHON" # Let the user override the test with a path.
@@ -24821,11 +26947,15 @@ else
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  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_PYTHON="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_PYTHON="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -24837,11 +26967,11 @@ esac
 fi
 PYTHON=$ac_cv_path_PYTHON
 if test -n "$PYTHON"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON" >&5
-$as_echo "$PYTHON" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON" >&5
+printf "%s\n" "$PYTHON" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -24851,42 +26981,172 @@ fi
 
 
   if test "$PYTHON" = :; then
-      :
+        :
   else
 
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON version" >&5
-$as_echo_n "checking for $am_display_PYTHON version... " >&6; }
-if ${am_cv_python_version+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  am_cv_python_version=`$PYTHON -c "import sys; sys.stdout.write(sys.version[:3])"`
+              { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON version" >&5
+printf %s "checking for $am_display_PYTHON version... " >&6; }
+if test ${am_cv_python_version+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  am_cv_python_version=`$PYTHON -c "import sys; print ('%u.%u' % sys.version_info[:2])"`
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_version" >&5
-$as_echo "$am_cv_python_version" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_version" >&5
+printf "%s\n" "$am_cv_python_version" >&6; }
   PYTHON_VERSION=$am_cv_python_version
 
 
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON platform" >&5
+printf %s "checking for $am_display_PYTHON platform... " >&6; }
+if test ${am_cv_python_platform+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  am_cv_python_platform=`$PYTHON -c "import sys; sys.stdout.write(sys.platform)"`
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_platform" >&5
+printf "%s\n" "$am_cv_python_platform" >&6; }
+  PYTHON_PLATFORM=$am_cv_python_platform
 
-  PYTHON_PREFIX='${prefix}'
-
-  PYTHON_EXEC_PREFIX='${exec_prefix}'
 
+                            if test "x$prefix" = xNONE; then
+    am__usable_prefix=$ac_default_prefix
+  else
+    am__usable_prefix=$prefix
+  fi
 
+  # Allow user to request using sys.* values from Python,
+  # instead of the GNU $prefix values.
+
+# Check whether --with-python-sys-prefix was given.
+if test ${with_python_sys_prefix+y}
+then :
+  withval=$with_python_sys_prefix; am_use_python_sys=:
+else $as_nop
+  am_use_python_sys=false
+fi
+
+
+  # Allow user to override whatever the default Python prefix is.
+
+# Check whether --with-python_prefix was given.
+if test ${with_python_prefix+y}
+then :
+  withval=$with_python_prefix; am_python_prefix_subst=$withval
+   am_cv_python_prefix=$withval
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for explicit $am_display_PYTHON prefix" >&5
+printf %s "checking for explicit $am_display_PYTHON prefix... " >&6; }
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_prefix" >&5
+printf "%s\n" "$am_cv_python_prefix" >&6; }
+else $as_nop
+
+   if $am_use_python_sys; then
+     # using python sys.prefix value, not GNU
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python default $am_display_PYTHON prefix" >&5
+printf %s "checking for python default $am_display_PYTHON prefix... " >&6; }
+if test ${am_cv_python_prefix+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  am_cv_python_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.prefix)"`
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_prefix" >&5
+printf "%s\n" "$am_cv_python_prefix" >&6; }
+
+               case $am_cv_python_prefix in
+     $am__usable_prefix*)
+       am__strip_prefix=`echo "$am__usable_prefix" | sed 's|.|.|g'`
+       am_python_prefix_subst=`echo "$am_cv_python_prefix" | sed "s,^$am__strip_prefix,\\${prefix},"`
+       ;;
+     *)
+       am_python_prefix_subst=$am_cv_python_prefix
+       ;;
+     esac
+   else # using GNU prefix value, not python sys.prefix
+     am_python_prefix_subst='${prefix}'
+     am_python_prefix=$am_python_prefix_subst
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU default $am_display_PYTHON prefix" >&5
+printf %s "checking for GNU default $am_display_PYTHON prefix... " >&6; }
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_python_prefix" >&5
+printf "%s\n" "$am_python_prefix" >&6; }
+   fi
+fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON platform" >&5
-$as_echo_n "checking for $am_display_PYTHON platform... " >&6; }
-if ${am_cv_python_platform+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  am_cv_python_platform=`$PYTHON -c "import sys; sys.stdout.write(sys.platform)"`
+  # Substituting python_prefix_subst value.
+  PYTHON_PREFIX=$am_python_prefix_subst
+
+
+  # emacs-page Now do it all over again for Python exec_prefix, but with yet
+  # another conditional: fall back to regular prefix if that was specified.
+
+# Check whether --with-python_exec_prefix was given.
+if test ${with_python_exec_prefix+y}
+then :
+  withval=$with_python_exec_prefix; am_python_exec_prefix_subst=$withval
+   am_cv_python_exec_prefix=$withval
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for explicit $am_display_PYTHON exec_prefix" >&5
+printf %s "checking for explicit $am_display_PYTHON exec_prefix... " >&6; }
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_exec_prefix" >&5
+printf "%s\n" "$am_cv_python_exec_prefix" >&6; }
+else $as_nop
+
+   # no explicit --with-python_exec_prefix, but if
+   # --with-python_prefix was given, use its value for python_exec_prefix too.
+   if test -n "$with_python_prefix"
+then :
+  am_python_exec_prefix_subst=$with_python_prefix
+    am_cv_python_exec_prefix=$with_python_prefix
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python_prefix-given $am_display_PYTHON exec_prefix" >&5
+printf %s "checking for python_prefix-given $am_display_PYTHON exec_prefix... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_exec_prefix" >&5
+printf "%s\n" "$am_cv_python_exec_prefix" >&6; }
+else $as_nop
+
+    # Set am__usable_exec_prefix whether using GNU or Python values,
+    # since we use that variable for pyexecdir.
+    if test "x$exec_prefix" = xNONE; then
+      am__usable_exec_prefix=$am__usable_prefix
+    else
+      am__usable_exec_prefix=$exec_prefix
+    fi
+    #
+    if $am_use_python_sys; then # using python sys.exec_prefix, not GNU
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python default $am_display_PYTHON exec_prefix" >&5
+printf %s "checking for python default $am_display_PYTHON exec_prefix... " >&6; }
+if test ${am_cv_python_exec_prefix+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  am_cv_python_exec_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.exec_prefix)"`
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_exec_prefix" >&5
+printf "%s\n" "$am_cv_python_exec_prefix" >&6; }
+                        case $am_cv_python_exec_prefix in
+      $am__usable_exec_prefix*)
+        am__strip_prefix=`echo "$am__usable_exec_prefix" | sed 's|.|.|g'`
+        am_python_exec_prefix_subst=`echo "$am_cv_python_exec_prefix" | sed "s,^$am__strip_prefix,\\${exec_prefix},"`
+        ;;
+      *)
+        am_python_exec_prefix_subst=$am_cv_python_exec_prefix
+        ;;
+     esac
+   else # using GNU $exec_prefix, not python sys.exec_prefix
+     am_python_exec_prefix_subst='${exec_prefix}'
+     am_python_exec_prefix=$am_python_exec_prefix_subst
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU default $am_display_PYTHON exec_prefix" >&5
+printf %s "checking for GNU default $am_display_PYTHON exec_prefix... " >&6; }
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_python_exec_prefix" >&5
+printf "%s\n" "$am_python_exec_prefix" >&6; }
+   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_platform" >&5
-$as_echo "$am_cv_python_platform" >&6; }
-  PYTHON_PLATFORM=$am_cv_python_platform
+fi
+
+  # Substituting python_exec_prefix_subst.
+  PYTHON_EXEC_PREFIX=$am_python_exec_prefix_subst
 
 
-  # Just factor out some code duplication.
+  # Factor out some code duplication into this shell variable.
   am_python_setup_sysconfig="\
 import sys
 # Prefer sysconfig over distutils.sysconfig, for better compatibility
@@ -24907,99 +27167,97 @@ except ImportError:
     pass"
 
 
-            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON script directory" >&5
-$as_echo_n "checking for $am_display_PYTHON script directory... " >&6; }
-if ${am_cv_python_pythondir+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "x$prefix" = xNONE
-     then
-       am_py_prefix=$ac_default_prefix
-     else
-       am_py_prefix=$prefix
-     fi
-     am_cv_python_pythondir=`$PYTHON -c "
+              { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON script directory (pythondir)" >&5
+printf %s "checking for $am_display_PYTHON script directory (pythondir)... " >&6; }
+if test ${am_cv_python_pythondir+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "x$am_cv_python_prefix" = x; then
+     am_py_prefix=$am__usable_prefix
+   else
+     am_py_prefix=$am_cv_python_prefix
+   fi
+   am_cv_python_pythondir=`$PYTHON -c "
 $am_python_setup_sysconfig
 if can_use_sysconfig:
-    sitedir = sysconfig.get_path('purelib', vars={'base':'$am_py_prefix'})
+  sitedir = sysconfig.get_path('purelib', vars={'base':'$am_py_prefix'})
 else:
-    from distutils import sysconfig
-    sitedir = sysconfig.get_python_lib(0, 0, prefix='$am_py_prefix')
+  from distutils import sysconfig
+  sitedir = sysconfig.get_python_lib(0, 0, prefix='$am_py_prefix')
 sys.stdout.write(sitedir)"`
-     case $am_cv_python_pythondir in
-     $am_py_prefix*)
-       am__strip_prefix=`echo "$am_py_prefix" | sed 's|.|.|g'`
-       am_cv_python_pythondir=`echo "$am_cv_python_pythondir" | sed "s,^$am__strip_prefix,$PYTHON_PREFIX,"`
-       ;;
-     *)
-       case $am_py_prefix in
-         /usr|/System*) ;;
-         *)
-	  am_cv_python_pythondir=$PYTHON_PREFIX/lib/python$PYTHON_VERSION/site-packages
-	  ;;
-       esac
-       ;;
+   #
+   case $am_cv_python_pythondir in
+   $am_py_prefix*)
+     am__strip_prefix=`echo "$am_py_prefix" | sed 's|.|.|g'`
+     am_cv_python_pythondir=`echo "$am_cv_python_pythondir" | sed "s,^$am__strip_prefix,\\${PYTHON_PREFIX},"`
+     ;;
+   *)
+     case $am_py_prefix in
+       /usr|/System*) ;;
+       *) am_cv_python_pythondir="\${PYTHON_PREFIX}/lib/python$PYTHON_VERSION/site-packages"
+          ;;
      esac
+     ;;
+   esac
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pythondir" >&5
-$as_echo "$am_cv_python_pythondir" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pythondir" >&5
+printf "%s\n" "$am_cv_python_pythondir" >&6; }
   pythondir=$am_cv_python_pythondir
 
 
-
-  pkgpythondir=\${pythondir}/$PACKAGE
+          pkgpythondir=\${pythondir}/$PACKAGE
 
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON extension module directory" >&5
-$as_echo_n "checking for $am_display_PYTHON extension module directory... " >&6; }
-if ${am_cv_python_pyexecdir+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "x$exec_prefix" = xNONE
-     then
-       am_py_exec_prefix=$am_py_prefix
-     else
-       am_py_exec_prefix=$exec_prefix
-     fi
-     am_cv_python_pyexecdir=`$PYTHON -c "
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $am_display_PYTHON extension module directory (pyexecdir)" >&5
+printf %s "checking for $am_display_PYTHON extension module directory (pyexecdir)... " >&6; }
+if test ${am_cv_python_pyexecdir+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "x$am_cv_python_exec_prefix" = x; then
+     am_py_exec_prefix=$am__usable_exec_prefix
+   else
+     am_py_exec_prefix=$am_cv_python_exec_prefix
+   fi
+   am_cv_python_pyexecdir=`$PYTHON -c "
 $am_python_setup_sysconfig
 if can_use_sysconfig:
-    sitedir = sysconfig.get_path('platlib', vars={'platbase':'$am_py_prefix'})
+  sitedir = sysconfig.get_path('platlib', vars={'platbase':'$am_py_exec_prefix'})
 else:
-    from distutils import sysconfig
-    sitedir = sysconfig.get_python_lib(1, 0, prefix='$am_py_prefix')
+  from distutils import sysconfig
+  sitedir = sysconfig.get_python_lib(1, 0, prefix='$am_py_exec_prefix')
 sys.stdout.write(sitedir)"`
-     case $am_cv_python_pyexecdir in
-     $am_py_exec_prefix*)
-       am__strip_prefix=`echo "$am_py_exec_prefix" | sed 's|.|.|g'`
-       am_cv_python_pyexecdir=`echo "$am_cv_python_pyexecdir" | sed "s,^$am__strip_prefix,$PYTHON_EXEC_PREFIX,"`
-       ;;
-     *)
-       case $am_py_exec_prefix in
-         /usr|/System*) ;;
-         *)
-	   am_cv_python_pyexecdir=$PYTHON_EXEC_PREFIX/lib/python$PYTHON_VERSION/site-packages
-	   ;;
-       esac
-       ;;
+   #
+   case $am_cv_python_pyexecdir in
+   $am_py_exec_prefix*)
+     am__strip_prefix=`echo "$am_py_exec_prefix" | sed 's|.|.|g'`
+     am_cv_python_pyexecdir=`echo "$am_cv_python_pyexecdir" | sed "s,^$am__strip_prefix,\\${PYTHON_EXEC_PREFIX},"`
+     ;;
+   *)
+     case $am_py_exec_prefix in
+       /usr|/System*) ;;
+       *) am_cv_python_pyexecdir="\${PYTHON_EXEC_PREFIX}/lib/python$PYTHON_VERSION/site-packages"
+          ;;
      esac
+     ;;
+   esac
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pyexecdir" >&5
-$as_echo "$am_cv_python_pyexecdir" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pyexecdir" >&5
+printf "%s\n" "$am_cv_python_pyexecdir" >&6; }
   pyexecdir=$am_cv_python_pyexecdir
 
 
-
-  pkgpyexecdir=\${pyexecdir}/$PACKAGE
+      pkgpyexecdir=\${pyexecdir}/$PACKAGE
 
 
 
   fi
 
-
-    if test "${PYTHON}" != ":"; then :
+    if test "${PYTHON}" != ":"
+then :
 
 
     if test -z $PYTHON;
@@ -25012,17 +27270,17 @@ $as_echo "$am_cv_python_pyexecdir" >&6; }
         fi
     fi
     PYTHON_NAME=`basename $PYTHON`
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking $PYTHON_NAME module: venv" >&5
-$as_echo_n "checking $PYTHON_NAME module: venv... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking $PYTHON_NAME module: venv" >&5
+printf %s "checking $PYTHON_NAME module: venv... " >&6; }
     $PYTHON -c "import venv" 2>/dev/null
     if test $? -eq 0;
     then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
         eval HAVE_PYMOD_VENV=yes
     else
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
         eval HAVE_PYMOD_VENV=no
         #
         if test -n ""
@@ -25058,8 +27316,8 @@ if test -z "$HAVE_MANPAGES_TRUE"; then :
   if test -z "$HAVE_VENV_TRUE"; then :
   else
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Python 3 and/or venv module are not available, documentation will not be built." >&5
-$as_echo "$as_me: WARNING: Python 3 and/or venv module are not available, documentation will not be built." >&2;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Python 3 and/or venv module are not available, documentation will not be built." >&5
+printf "%s\n" "$as_me: WARNING: Python 3 and/or venv module are not available, documentation will not be built." >&2;}
 
 fi
 
@@ -25081,16 +27339,15 @@ AM_CPPFLAGS="-I\$(top_builddir) -I\$(top_srcdir) $THREADFLAGS $BOOST_CPPFLAGS"
 
 
 
-if test "x$PACKAGEVERSION" != "x"; then :
+if test "x$PACKAGEVERSION" != "x"
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGEVERSION "$PACKAGEVERSION"
-_ACEOF
+printf "%s\n" "#define PACKAGEVERSION \"$PACKAGEVERSION\"" >>confdefs.h
 
 
 fi
 
-ac_config_files="$ac_config_files Makefile ext/yahttp/Makefile ext/yahttp/yahttp/Makefile ext/ipcrypt/Makefile"
+ac_config_files="$ac_config_files Makefile ext/arc4random/Makefile ext/yahttp/Makefile ext/yahttp/yahttp/Makefile ext/ipcrypt/Makefile"
 
 
 cat >confcache <<\_ACEOF
@@ -25120,8 +27377,8 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { printf "%s\n" "$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) ;; #(
@@ -25151,15 +27408,15 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      /^ac_cv_env_/b end
      t clear
      :clear
-     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     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
-      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-$as_echo "$as_me: updating cache $cache_file" >&6;}
+      { printf "%s\n" "$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
@@ -25173,8 +27430,8 @@ $as_echo "$as_me: updating cache $cache_file" >&6;}
       fi
     fi
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { printf "%s\n" "$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
@@ -25191,7 +27448,7 @@ 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$//'
-  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  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"
@@ -25202,14 +27459,14 @@ LIBOBJS=$ac_libobjs
 LTLIBOBJS=$ac_ltlibobjs
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
-$as_echo_n "checking that generated files are newer than configure... " >&6; }
+{ printf "%s\n" "$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
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5
-$as_echo "done" >&6; }
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5
+printf "%s\n" "done" >&6; }
  if test -n "$EXEEXT"; then
   am__EXEEXT_TRUE=
   am__EXEEXT_FALSE='#'
@@ -25234,6 +27491,10 @@ if test -z "${LIBSODIUM_TRUE}" && test -z "${LIBSODIUM_FALSE}"; then
   as_fn_error $? "conditional \"LIBSODIUM\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_QUICHE_TRUE}" && test -z "${HAVE_QUICHE_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_QUICHE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${FSTRM_TRUE}" && test -z "${FSTRM_FALSE}"; then
   as_fn_error $? "conditional \"FSTRM\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -25266,6 +27527,10 @@ if test -z "${UNIT_TESTS_TRUE}" && test -z "${UNIT_TESTS_FALSE}"; then
   as_fn_error $? "conditional \"UNIT_TESTS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${FUZZ_TARGETS_TRUE}" && test -z "${FUZZ_TARGETS_FALSE}"; then
+  as_fn_error $? "conditional \"FUZZ_TARGETS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_RE2_TRUE}" && test -z "${HAVE_RE2_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_RE2\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -25278,6 +27543,10 @@ if test -z "${HAVE_EBPF_TRUE}" && test -z "${HAVE_EBPF_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_EBPF\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_XSK_TRUE}" && test -z "${HAVE_XSK_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_XSK\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_NET_SNMP_TRUE}" && test -z "${HAVE_NET_SNMP_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_NET_SNMP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -25406,10 +27675,18 @@ if test -z "${HAVE_LUA_HPP_TRUE}" && test -z "${HAVE_LUA_HPP_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_LUA_HPP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_CDB_TRUE}" && test -z "${HAVE_CDB_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_CDB\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_GNUTLS_TRUE}" && test -z "${HAVE_GNUTLS_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_GNUTLS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_LIBH2OEVLOOP_TRUE}" && test -z "${HAVE_LIBH2OEVLOOP_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_LIBH2OEVLOOP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_LIBSSL_TRUE}" && test -z "${HAVE_LIBSSL_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_LIBSSL\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -25418,8 +27695,8 @@ if test -z "${HAVE_LMDB_TRUE}" && test -z "${HAVE_LMDB_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_LMDB\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${HAVE_CDB_TRUE}" && test -z "${HAVE_CDB_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_CDB\" was never defined.
+if test -z "${HAVE_NGHTTP2_TRUE}" && test -z "${HAVE_NGHTTP2_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_NGHTTP2\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 if test -z "${HAVE_LIBCRYPTO_TRUE}" && test -z "${HAVE_LIBCRYPTO_FALSE}"; then
@@ -25438,6 +27715,14 @@ if test -z "${HAVE_DNS_OVER_HTTPS_TRUE}" && test -z "${HAVE_DNS_OVER_HTTPS_FALSE
   as_fn_error $? "conditional \"HAVE_DNS_OVER_HTTPS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_DNS_OVER_QUIC_TRUE}" && test -z "${HAVE_DNS_OVER_QUIC_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_DNS_OVER_QUIC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${HAVE_DNS_OVER_HTTP3_TRUE}" && test -z "${HAVE_DNS_OVER_HTTP3_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_DNS_OVER_HTTP3\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_LIBSSL_TRUE}" && test -z "${HAVE_LIBSSL_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_LIBSSL\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -25446,14 +27731,14 @@ if test -z "${HAVE_GNUTLS_TRUE}" && test -z "${HAVE_GNUTLS_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_GNUTLS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${HAVE_LIBH2OEVLOOP_TRUE}" && test -z "${HAVE_LIBH2OEVLOOP_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_LIBH2OEVLOOP\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${HAVE_NGHTTP2_TRUE}" && test -z "${HAVE_NGHTTP2_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_NGHTTP2\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_LIBH2OEVLOOP_TRUE}" && test -z "${HAVE_LIBH2OEVLOOP_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_LIBH2OEVLOOP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_CDB_TRUE}" && test -z "${HAVE_CDB_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_CDB\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -25479,8 +27764,8 @@ fi
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+{ printf "%s\n" "$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
 #! $SHELL
@@ -25503,14 +27788,16 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+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
+else $as_nop
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -25520,46 +27807,46 @@ 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
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+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 test "${PATH_SEPARATOR+set}" != set; then
+if ${PATH_SEPARATOR+false} :; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -25568,13 +27855,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -25583,8 +27863,12 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  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
 
@@ -25596,30 +27880,10 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
@@ -25632,13 +27896,14 @@ 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
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $2" >&2
+  printf "%s\n" "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -25665,18 +27930,20 @@ 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 :
+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
+else $as_nop
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -25688,12 +27955,13 @@ fi # as_fn_append
 # 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 $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else
+else $as_nop
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
@@ -25724,7 +27992,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+printf "%s\n" X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -25746,6 +28014,10 @@ as_cr_Letters=$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*)
@@ -25759,6 +28031,12 @@ case `echo -n x` in #(((((
   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
@@ -25800,7 +28078,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -25809,7 +28087,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
+printf "%s\n" X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -25871,8 +28149,8 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by dnsdist $as_me 1.8.3, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+This file was extended by dnsdist $as_me 1.9.3, which was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -25934,14 +28212,16 @@ $config_commands
 Report bugs to the package provider."
 
 _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="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-dnsdist config.status 1.8.3
-configured by $0, generated by GNU Autoconf 2.69,
+dnsdist config.status 1.9.3
+configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+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."
 
@@ -25981,15 +28261,15 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    $as_echo "$ac_cs_version"; exit ;;
+    printf "%s\n" "$ac_cs_version"; exit ;;
   --config | --confi | --conf | --con | --co | --c )
-    $as_echo "$ac_cs_config"; exit ;;
+    printf "%s\n" "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
@@ -25997,7 +28277,7 @@ do
   --header | --heade | --head | --hea )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -26006,7 +28286,7 @@ do
     as_fn_error $? "ambiguous option: \`$1'
 Try \`$0 --help' for more information.";;
   --help | --hel | -h )
-    $as_echo "$ac_cs_usage"; exit ;;
+    printf "%s\n" "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
@@ -26034,7 +28314,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
   set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
-  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
   export CONFIG_SHELL
   exec "\$@"
@@ -26048,7 +28328,7 @@ exec 5>>config.log
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  $as_echo "$ac_log"
+  printf "%s\n" "$ac_log"
 } >&5
 
 _ACEOF
@@ -26100,6 +28380,7 @@ lt_cv_to_host_file_cmd='`$ECHO "$lt_cv_to_host_file_cmd" | $SED "$delay_single_q
 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"`'
@@ -26108,6 +28389,7 @@ 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"`'
@@ -26282,6 +28564,7 @@ LN_S \
 lt_SP2NL \
 lt_NL2SP \
 reload_flag \
+FILECMD \
 OBJDUMP \
 deplibs_check_method \
 file_magic_cmd \
@@ -26290,7 +28573,6 @@ want_nocaseglob \
 DLLTOOL \
 sharedlib_from_linklib_cmd \
 AR \
-AR_FLAGS \
 archiver_list_spec \
 STRIP \
 RANLIB \
@@ -26451,6 +28733,7 @@ do
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "ext/arc4random/Makefile") CONFIG_FILES="$CONFIG_FILES ext/arc4random/Makefile" ;;
     "ext/yahttp/Makefile") CONFIG_FILES="$CONFIG_FILES ext/yahttp/Makefile" ;;
     "ext/yahttp/yahttp/Makefile") CONFIG_FILES="$CONFIG_FILES ext/yahttp/yahttp/Makefile" ;;
     "ext/ipcrypt/Makefile") CONFIG_FILES="$CONFIG_FILES ext/ipcrypt/Makefile" ;;
@@ -26465,9 +28748,9 @@ done
 # 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+set}" = set || CONFIG_FILES=$config_files
-  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
-  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+  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
@@ -26803,7 +29086,7 @@ do
 	   esac ||
 	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
-      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; 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
 
@@ -26811,17 +29094,17 @@ do
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
-	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
+      { printf "%s\n" "$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 $configure_input in #(
     *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`$as_echo "$configure_input" |
+       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
        sed 's/[\\\\&|]/\\\\&/g'`;; #(
     *) ac_sed_conf_input=$configure_input;;
     esac
@@ -26838,7 +29121,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
+printf "%s\n" X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -26862,9 +29145,9 @@ $as_echo X"$ac_file" |
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf "%s\n" "$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/ ;;
@@ -26926,8 +29209,8 @@ ac_sed_dataroot='
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { printf "%s\n" "$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='
@@ -26971,9 +29254,9 @@ 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"; } &&
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+printf "%s\n" "$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 "$ac_tmp/stdin"
@@ -26989,20 +29272,20 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
   #
   if test x"$ac_file" != x-; then
     {
-      $as_echo "/* $configure_input  */" \
+      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
-      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-$as_echo "$as_me: $ac_file is unchanged" >&6;}
+      { printf "%s\n" "$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
-    $as_echo "/* $configure_input  */" \
+    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
@@ -27022,7 +29305,7 @@ $as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$_am_arg" : 'X\(//\)[^/]' \| \
 	 X"$_am_arg" : 'X\(//\)$' \| \
 	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$_am_arg" |
+printf "%s\n" X"$_am_arg" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -27042,8 +29325,8 @@ $as_echo X"$_am_arg" |
 	  s/.*/./; q'`/stamp-h$_am_stamp_count
  ;;
 
-  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
-$as_echo "$as_me: executing $ac_file commands" >&6;}
+  :C)  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+printf "%s\n" "$as_me: executing $ac_file commands" >&6;}
  ;;
   esac
 
@@ -27069,7 +29352,7 @@ esac
   for am_mf
   do
     # Strip MF so we end up with the name of the file.
-    am_mf=`$as_echo "$am_mf" | sed -e 's/:.*$//'`
+    am_mf=`printf "%s\n" "$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
@@ -27081,7 +29364,7 @@ $as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$am_mf" : 'X\(//\)[^/]' \| \
 	 X"$am_mf" : 'X\(//\)$' \| \
 	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$am_mf" |
+printf "%s\n" X"$am_mf" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -27103,7 +29386,7 @@ $as_echo X"$am_mf" |
 $as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$am_mf" : 'X\(//\)$' \| \
 	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$am_mf" |
+printf "%s\n" X/"$am_mf" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -27128,10 +29411,12 @@ $as_echo X/"$am_mf" |
    (exit $ac_status); } || am_rc=$?
   done
   if test $am_rc -ne 0; then
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+    { { 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 $? "Something went wrong bootstrapping makefile fragments
-    for automatic dependency tracking.  Try re-running configure with the
+    for automatic dependency tracking.  If GNU make was not used, consider
+    re-running the configure script with MAKE=\"gmake\" (or whatever is
+    necessary).  You can also try re-running configure with the
     '--disable-dependency-tracking' option to at least be able to build
     the package (albeit without support for automatic dependency tracking).
 See \`config.log' for more details" "$LINENO" 5; }
@@ -27278,6 +29563,9 @@ 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
 
@@ -27302,8 +29590,11 @@ sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd
 # The archiver.
 AR=$lt_AR
 
+# Flags to create an archive (by configure).
+lt_ar_flags=$lt_ar_flags
+
 # Flags to create an archive.
-AR_FLAGS=$lt_AR_FLAGS
+AR_FLAGS=\${ARFLAGS-"\$lt_ar_flags"}
 
 # How to feed a file listing to the archiver.
 archiver_list_spec=$lt_archiver_list_spec
@@ -27685,6 +29976,7 @@ _LT_EOF
   esac
 
 
+
 ltmain=$ac_aux_dir/ltmain.sh
 
 
@@ -27692,7 +29984,7 @@ ltmain=$ac_aux_dir/ltmain.sh
   # if finds mixed CR/LF and LF-only lines.  Since sed operates in
   # text mode, it properly converts lines to CR/LF.  This bash problem
   # is reportedly fixed, but why not run on old versions too?
-  sed '$q' "$ltmain" >> "$cfgfile" \
+  $SED '$q' "$ltmain" >> "$cfgfile" \
      || (rm -f "$cfgfile"; exit 1)
 
    mv -f "$cfgfile" "$ofile" ||
@@ -27887,185 +30179,249 @@ if test "$no_create" != yes; then
   $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+  { printf "%s\n" "$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
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: " >&5
-$as_echo "$as_me: " >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: Configuration summary" >&5
-$as_echo "$as_me: Configuration summary" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: =====================" >&5
-$as_echo "$as_me: =====================" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: " >&5
-$as_echo "$as_me: " >&6;}
-if test "x$ac_configure_args" != "x"; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: " >&5
+printf "%s\n" "$as_me: " >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Configuration summary" >&5
+printf "%s\n" "$as_me: Configuration summary" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: =====================" >&5
+printf "%s\n" "$as_me: =====================" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: " >&5
+printf "%s\n" "$as_me: " >&6;}
+if test "x$ac_configure_args" != "x"
+then :
   summary_conf_opts=$ac_configure_args
-else
+else $as_nop
   summary_conf_opts="(no options)"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: dnsdist configured with: $summary_conf_opts" >&5
-$as_echo "$as_me: dnsdist configured with: $summary_conf_opts" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: " >&5
-$as_echo "$as_me: " >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: CC: $CC ($CCVERSION)" >&5
-$as_echo "$as_me: CC: $CC ($CCVERSION)" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: CXX: $CXX ($CXXVERSION)" >&5
-$as_echo "$as_me: CXX: $CXX ($CXXVERSION)" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: LD: $LD" >&5
-$as_echo "$as_me: LD: $LD" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: CFLAGS: $CFLAGS" >&5
-$as_echo "$as_me: CFLAGS: $CFLAGS" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: CPPFLAGS: $CPPFLAGS" >&5
-$as_echo "$as_me: CPPFLAGS: $CPPFLAGS" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: CXXFLAGS: $CXXFLAGS" >&5
-$as_echo "$as_me: CXXFLAGS: $CXXFLAGS" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: LDFLAGS: $LDFLAGS" >&5
-$as_echo "$as_me: LDFLAGS: $LDFLAGS" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: LIBS: $LIBS" >&5
-$as_echo "$as_me: LIBS: $LIBS" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: BOOST_CPPFLAGS: $BOOST_CPPFLAGS" >&5
-$as_echo "$as_me: BOOST_CPPFLAGS: $BOOST_CPPFLAGS" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: " >&5
-$as_echo "$as_me: " >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: Features enabled" >&5
-$as_echo "$as_me: Features enabled" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: ----------------" >&5
-$as_echo "$as_me: ----------------" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: Lua: $LUAPC" >&5
-$as_echo "$as_me: Lua: $LUAPC" >&6;}
-{ $as_echo "$as_me:${as_lineno-$LINENO}: Protobuf: yes" >&5
-$as_echo "$as_me: Protobuf: yes" >&6;}
-if test "x$systemd" != "xn"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: systemd: yes" >&5
-$as_echo "$as_me: systemd: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: systemd: no" >&5
-$as_echo "$as_me: systemd: no" >&6;}
-
-fi
-if test "x$HAVE_IPCIPHER" = "x1"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: ipcipher: yes" >&5
-$as_echo "$as_me: ipcipher: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: ipcipher: no" >&5
-$as_echo "$as_me: ipcipher: no" >&6;}
-
-fi
-if test "x$LIBEDIT_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: libedit: yes" >&5
-$as_echo "$as_me: libedit: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: libedit: no" >&5
-$as_echo "$as_me: libedit: no" >&6;}
-
-fi
-if test "x$LIBSODIUM_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: libsodium: yes" >&5
-$as_echo "$as_me: libsodium: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: libsodium: no" >&5
-$as_echo "$as_me: libsodium: no" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: dnsdist configured with: $summary_conf_opts" >&5
+printf "%s\n" "$as_me: dnsdist configured with: $summary_conf_opts" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: " >&5
+printf "%s\n" "$as_me: " >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: CC: $CC ($CCVERSION)" >&5
+printf "%s\n" "$as_me: CC: $CC ($CCVERSION)" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: CXX: $CXX ($CXXVERSION)" >&5
+printf "%s\n" "$as_me: CXX: $CXX ($CXXVERSION)" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: LD: $LD" >&5
+printf "%s\n" "$as_me: LD: $LD" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: CFLAGS: $CFLAGS" >&5
+printf "%s\n" "$as_me: CFLAGS: $CFLAGS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: CPPFLAGS: $CPPFLAGS" >&5
+printf "%s\n" "$as_me: CPPFLAGS: $CPPFLAGS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: CXXFLAGS: $CXXFLAGS" >&5
+printf "%s\n" "$as_me: CXXFLAGS: $CXXFLAGS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: LDFLAGS: $LDFLAGS" >&5
+printf "%s\n" "$as_me: LDFLAGS: $LDFLAGS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: LIBS: $LIBS" >&5
+printf "%s\n" "$as_me: LIBS: $LIBS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: BOOST_CPPFLAGS: $BOOST_CPPFLAGS" >&5
+printf "%s\n" "$as_me: BOOST_CPPFLAGS: $BOOST_CPPFLAGS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: " >&5
+printf "%s\n" "$as_me: " >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Features enabled" >&5
+printf "%s\n" "$as_me: Features enabled" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: ----------------" >&5
+printf "%s\n" "$as_me: ----------------" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Lua: $LUAPC" >&5
+printf "%s\n" "$as_me: Lua: $LUAPC" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Protobuf: yes" >&5
+printf "%s\n" "$as_me: Protobuf: yes" >&6;}
+if test "x$systemd" != "xn"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: systemd: yes" >&5
+printf "%s\n" "$as_me: systemd: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: systemd: no" >&5
+printf "%s\n" "$as_me: systemd: no" >&6;}
+
+fi
+if test x"$BPF_LIBS" != "x" -a x"$XDP_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: AF_XDP/XSK: yes" >&5
+printf "%s\n" "$as_me: AF_XDP/XSK: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: AF_XDP/XSK: no" >&5
+printf "%s\n" "$as_me: AF_XDP/XSK: no" >&6;}
+
+fi
+if test "x$HAVE_IPCIPHER" = "x1"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: ipcipher: yes" >&5
+printf "%s\n" "$as_me: ipcipher: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: ipcipher: no" >&5
+printf "%s\n" "$as_me: ipcipher: no" >&6;}
+
+fi
+if test "x$LIBEDIT_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: libedit: yes" >&5
+printf "%s\n" "$as_me: libedit: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: libedit: no" >&5
+printf "%s\n" "$as_me: libedit: no" >&6;}
+
+fi
+if test "x$LIBSODIUM_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: libsodium: yes" >&5
+printf "%s\n" "$as_me: libsodium: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: libsodium: no" >&5
+printf "%s\n" "$as_me: libsodium: no" >&6;}
+
+fi
+if test "x$enable_dnscrypt" != "xno"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNSCrypt: yes" >&5
+printf "%s\n" "$as_me: DNSCrypt: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNSCrypt: no" >&5
+printf "%s\n" "$as_me: DNSCrypt: no" >&6;}
+
+fi
+if test "x$FSTRM_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: dnstap: yes" >&5
+printf "%s\n" "$as_me: dnstap: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: dnstap: no" >&5
+printf "%s\n" "$as_me: dnstap: no" >&6;}
+
+fi
+if test "x$QUICHE_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: quiche: yes" >&5
+printf "%s\n" "$as_me: quiche: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: quiche: no" >&5
+printf "%s\n" "$as_me: quiche: no" >&6;}
+
+fi
+if test "x$RE2_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: re2: yes" >&5
+printf "%s\n" "$as_me: re2: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: re2: no" >&5
+printf "%s\n" "$as_me: re2: no" >&6;}
+
+fi
+if test "x$NET_SNMP_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: SNMP: yes" >&5
+printf "%s\n" "$as_me: SNMP: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: SNMP: no" >&5
+printf "%s\n" "$as_me: SNMP: no" >&6;}
+
+fi
+if test "x$enable_dns_over_tls" != "xno"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over TLS: yes" >&5
+printf "%s\n" "$as_me: DNS over TLS: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over TLS: no" >&5
+printf "%s\n" "$as_me: DNS over TLS: no" >&6;}
+
+fi
+if test "x$enable_dns_over_https" != "xno"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over HTTPS (DoH): yes" >&5
+printf "%s\n" "$as_me: DNS over HTTPS (DoH): yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over HTTPS (DoH): no" >&5
+printf "%s\n" "$as_me: DNS over HTTPS (DoH): no" >&6;}
 
 fi
-if test "x$enable_dnscrypt" != "xno"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: DNSCrypt: yes" >&5
-$as_echo "$as_me: DNSCrypt: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: DNSCrypt: no" >&5
-$as_echo "$as_me: DNSCrypt: no" >&6;}
+if test "x$enable_dns_over_quic" != "xno"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over QUIC (DoQ): yes" >&5
+printf "%s\n" "$as_me: DNS over QUIC (DoQ): yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over QUIC (DoQ): no" >&5
+printf "%s\n" "$as_me: DNS over QUIC (DoQ): no" >&6;}
 
 fi
-if test "x$FSTRM_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: dnstap: yes" >&5
-$as_echo "$as_me: dnstap: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: dnstap: no" >&5
-$as_echo "$as_me: dnstap: no" >&6;}
+if test "x$enable_dns_over_http3" != "xno"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over HTTP/3 (DoH3): yes" >&5
+printf "%s\n" "$as_me: DNS over HTTP/3 (DoH3): yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: DNS over HTTP/3 (DoH3): no" >&5
+printf "%s\n" "$as_me: DNS over HTTP/3 (DoH3): no" >&6;}
 
 fi
-if test "x$RE2_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: re2: yes" >&5
-$as_echo "$as_me: re2: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: re2: no" >&5
-$as_echo "$as_me: re2: no" >&6;}
+if test "x$enable_dns_over_tls" != "xno"
+then :
 
-fi
-if test "x$NET_SNMP_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: SNMP: yes" >&5
-$as_echo "$as_me: SNMP: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: SNMP: no" >&5
-$as_echo "$as_me: SNMP: no" >&6;}
+  if test "x$GNUTLS_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: GnuTLS: yes" >&5
+printf "%s\n" "$as_me: GnuTLS: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: GnuTLS: no" >&5
+printf "%s\n" "$as_me: GnuTLS: no" >&6;}
 
 fi
-if test "x$enable_dns_over_tls" != "xno"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: DNS over TLS: yes" >&5
-$as_echo "$as_me: DNS over TLS: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: DNS over TLS: no" >&5
-$as_echo "$as_me: DNS over TLS: no" >&6;}
 
 fi
-if test "x$enable_dns_over_https" != "xno"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: DNS over HTTPS (DoH): yes" >&5
-$as_echo "$as_me: DNS over HTTPS (DoH): yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: DNS over HTTPS (DoH): no" >&5
-$as_echo "$as_me: DNS over HTTPS (DoH): no" >&6;}
+if test "x$enable_dns_over_tls" != "xno" -o "x$enable_dns_over_https" != "xno"
+then :
 
-fi
-if test "x$enable_dns_over_tls" != "xno"; then :
-
-  if test "x$GNUTLS_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: GnuTLS: yes" >&5
-$as_echo "$as_me: GnuTLS: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: GnuTLS: no" >&5
-$as_echo "$as_me: GnuTLS: no" >&6;}
+  if test "x$LIBSSL_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: OpenSSL: yes" >&5
+printf "%s\n" "$as_me: OpenSSL: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: OpenSSL: no" >&5
+printf "%s\n" "$as_me: OpenSSL: no" >&6;}
 
 fi
 
 fi
-if test "x$enable_dns_over_tls" != "xno" -o "x$enable_dns_over_https" != "xno"; then :
-
-  if test "x$LIBSSL_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: OpenSSL: yes" >&5
-$as_echo "$as_me: OpenSSL: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: OpenSSL: no" >&5
-$as_echo "$as_me: OpenSSL: no" >&6;}
+if test "x$LIBH2OEVLOOP_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: h2o-evloop: yes" >&5
+printf "%s\n" "$as_me: h2o-evloop: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: h2o-evloop: no" >&5
+printf "%s\n" "$as_me: h2o-evloop: no" >&6;}
 
 fi
+if test "x$NGHTTP2_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: nghttp2: yes" >&5
+printf "%s\n" "$as_me: nghttp2: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: nghttp2: no" >&5
+printf "%s\n" "$as_me: nghttp2: no" >&6;}
 
 fi
-if test "x$NGHTTP2_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: nghttp2: yes" >&5
-$as_echo "$as_me: nghttp2: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: nghttp2: no" >&5
-$as_echo "$as_me: nghttp2: no" >&6;}
+if test "x$CDB_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: cdb: yes" >&5
+printf "%s\n" "$as_me: cdb: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: cdb: no" >&5
+printf "%s\n" "$as_me: cdb: no" >&6;}
 
 fi
-if test "x$CDB_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: cdb: yes" >&5
-$as_echo "$as_me: cdb: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: cdb: no" >&5
-$as_echo "$as_me: cdb: no" >&6;}
+if test "x$LMDB_LIBS" != "x"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: lmdb: yes" >&5
+printf "%s\n" "$as_me: lmdb: yes" >&6;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: lmdb: no" >&5
+printf "%s\n" "$as_me: lmdb: no" >&6;}
 
 fi
-if test "x$LMDB_LIBS" != "x"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: lmdb: yes" >&5
-$as_echo "$as_me: lmdb: yes" >&6;}
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: lmdb: no" >&5
-$as_echo "$as_me: lmdb: no" >&6;}
 
-fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: " >&5
+printf "%s\n" "$as_me: " >&6;}
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: " >&5
-$as_echo "$as_me: " >&6;}