libaitcfg/configure - diff

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Diff for /libaitcfg/configure between versions 1.3 and 1.30.2.4

-version 1.3, 2009/10/19 15:00:10
+version 1.30.2.4, 2024/10/29 00:55:43
  Line 1
  #! /bin/sh
  # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.62 for libaitcfg 3.1.
+# Generated by GNU Autoconf 2.71 for libaitcfg 9.5.
  #
-# Report bugs to <misho@openbsd-bg.org>.
+# Report bugs to <misho@elwix.org>.
  #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008 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
  # gives unlimited permission to copy, distribute and modify it.
-## --------------------- ##
+## -------------------- ##
-## M4sh Initialization.  ##
+## M4sh Initialization. ##
-## --------------------- ##
+## -------------------- ##
  # 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 $as_nop
-  case `(set -o) 2>/dev/null` in
+  case `(set -o) 2>/dev/null` in #(
-  *posix*) set -o posix ;;
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
  esac
  fi
+ # Reset variables that may have inherited troublesome values from
+ # the environment.
-# PATH needs CR
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
-# Avoid depending upon Character Ranges.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+# side effect of setting IFS to empty, thus disabling word splitting.)
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+# Quoting is to prevent editors from complaining about space-tab.
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
  as_nl='
  '
  export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
+IFS=" ""        $as_nl"
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (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 $as_echo_body as_echo'
-fi
+ PS1='$ '
+ 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=$PATH; sh -c :) >/dev/null 2>&1 ||
- Line 80  if test "${PATH_SEPARATOR+set}" != set; then
+ Line 83  if test "${PATH_SEPARATOR+set}" != set; then
    }
  fi
- # Support unset when possible.
- if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-   as_unset=unset
- else
-   as_unset=false
- 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.
-case $0 in
+as_myself=
+case $0 in #((
    *[\\/]* ) as_myself=$0 ;;
    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+    '') as_dir=./ ;;
-done
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  done
  IFS=$as_save_IFS
       ;;
- Line 115  if test "x$as_myself" = x; then
+ Line 109  if test "x$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" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  exit 1
  fi
- # Work around bugs in pre-3.0 UWIN ksh.
- for as_var in ENV MAIL MAILPATH
- do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
- done
- PS1='$ '
- PS2='> '
- PS4='+ '
-# NLS nuisances.
+# Use a proper internal environment variable to ensure we don't fall
-LC_ALL=C
+  # into an infinite loop, continuously re-executing ourselves.
-export LC_ALL
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
-LANGUAGE=C
+    _as_can_reexec=no; export _as_can_reexec;
-export LANGUAGE
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
-# Required to use basename.
+# works around shells that cannot unset nonexistent variables.
-if expr a : '\(a\)' >/dev/null 2>&1 &&
+# Preserve -v and -x to the replacement shell.
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+BASH_ENV=/dev/null
-  as_expr=expr
+ENV=/dev/null
-else
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-  as_expr=false
+case $- in # ((((
-fi
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  *x* ) as_opts=-x ;;
-  as_basename=basename
+  * ) as_opts= ;;
-else
+esac
-  as_basename=false
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
-fi
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
-# Name of the executable.
+exit 255
-as_me=`$as_basename -- "$0" ||
+  fi
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+  # We don't want this to propagate to other subprocesses.
-         X"$0" : 'X\(//\)$' \| \
+          { _as_can_reexec=; unset _as_can_reexec;}
-         X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-            s//\1/
-            q
-          }
-          /^X\/\(\/\/\)$/{
-            s//\1/
-            q
-          }
-          /^X\/\(\/\).*/{
-            s//\1/
-            q
-          }
-          s/.*/./; q'`
-# CDPATH.
-$as_unset CDPATH
  if test "x$CONFIG_SHELL" = x; then
-  if (eval ":") 2>/dev/null; then
+  as_bourne_compatible="as_nop=:
-  as_have_required=yes
+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-else
+then :
-  as_have_required=no
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else \$as_nop
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
  fi
+ "
+   as_required="as_fn_return () { (exit \$1); }
+ as_fn_success () { as_fn_return 0; }
+ as_fn_failure () { as_fn_return 1; }
+ as_fn_ret_success () { return 0; }
+ as_fn_ret_failure () { return 1; }
-   if test $as_have_required = yes &&     (eval ":
- (as_func_return () {
-   (exit \$1)
- }
- as_func_success () {
-   as_func_return 0
- }
- as_func_failure () {
-   as_func_return 1
- }
- as_func_ret_success () {
-   return 0
- }
- as_func_ret_failure () {
-   return 1
- }
  exitcode=0
-if as_func_success; then
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
-  :
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
-else
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
 as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
-  echo as_func_success failed.
+if ( set x; as_fn_ret_success y && test x = \"\$1\" )
-fi
+then :
-if as_func_failure; then
+else \$as_nop
   exitcode=1; echo positional parameters were not saved.
-  echo as_func_failure succeeded.
  fi
+test x\$exitcode = x0 || exit 1
-if as_func_ret_success; then
+blah=\$(echo \$(echo blah))
-  :
+test x\"\$blah\" = xblah || exit 1
-else
+test -x / || exit 1"
-  exitcode=1
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
-  echo as_func_ret_success failed.
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1"
+  if (eval "$as_required") 2>/dev/null
+then :
+  as_have_required=yes
+else $as_nop
+  as_have_required=no
  fi
+   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
+ then :
-if as_func_ret_failure; then
+else $as_nop
-  exitcode=1
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-  echo as_func_ret_failure succeeded.
+as_found=false
-fi
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
 else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-test \$exitcode = 0) || { (exit 1); exit 1; }
-(
-  as_lineno_1=\$LINENO
-  as_lineno_2=\$LINENO
-  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
-  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
-") 2> /dev/null; then
-  :
-else
-  as_candidate_shells=
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  case $as_dir in
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+  as_found=:
+  case $as_dir in #(
           /*)
             for as_base in sh bash ksh sh5; do
-             as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
+             # Try only shells that exist, to save several forks.
+             as_shell=$as_dir$as_base
+             if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+                    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+                   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
+then :
+  break 2
+fi
+fi
             done;;
         esac
+   as_found=false
  done
  IFS=$as_save_IFS
+ if $as_found
+ then :
+else $as_nop
-      for as_shell in $as_candidate_shells $SHELL; do
+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-         # Try only shells that exist, to save several forks.
+              as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
-         if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+then :
-                { ("$as_shell") 2> /dev/null <<\_ASEOF
+  CONFIG_SHELL=$SHELL as_have_required=yes
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
  fi
+ fi
-:
+      if test "x$CONFIG_SHELL" != x
-_ASEOF
+then :
-}; then
+  export CONFIG_SHELL
-  CONFIG_SHELL=$as_shell
+             # We cannot yet assume a decent shell, so we have to provide a
-               as_have_required=yes
+# neutralization value for shells without unset; and this also
-               if { "$as_shell" 2> /dev/null <<\_ASEOF
+# works around shells that cannot unset nonexistent variables.
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+# Preserve -v and -x to the replacement shell.
-  emulate sh
+BASH_ENV=/dev/null
-  NULLCMD=:
+ENV=/dev/null
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-  # is contrary to our usage.  Disable this feature.
+case $- in # ((((
-  alias -g '${1+"$@"}'='"$@"'
+  *v*x* | *x*v* ) as_opts=-vx ;;
-  setopt NO_GLOB_SUBST
+  *v* ) as_opts=-v ;;
-else
+  *x* ) as_opts=-x ;;
-  case `(set -o) 2>/dev/null` in
+  * ) as_opts= ;;
-  *posix*) set -o posix ;;
  esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
  fi
+    if test x$as_have_required = xno
-:
+then :
-(as_func_return () {
+  printf "%s\n" "$0: This script requires a shell more modern than all"
-  (exit $1)
+  printf "%s\n" "$0: the shells that I found on your system."
-}
+  if test ${ZSH_VERSION+y} ; then
-as_func_success () {
+    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-  as_func_return 0
+    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
-}
+  else
-as_func_failure () {
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and misho@elwix.org
-  as_func_return 1
+$0: about your system, including any error possibly output
-}
+$0: before this message. Then install a modern shell, or
-as_func_ret_success () {
+$0: manually run the script under such a shell if you do
-  return 0
+$0: have one."
-}
+  fi
-as_func_ret_failure () {
+  exit 1
-  return 1
-}
-exitcode=0
-if as_func_success; then
 else
-  exitcode=1
-  echo as_func_success failed.
  fi
- if as_func_failure; then
-   exitcode=1
-   echo as_func_failure succeeded.
  fi
- if as_func_ret_success; then
-   :
- else
-   exitcode=1
-   echo as_func_ret_success failed.
  fi
+ SHELL=${CONFIG_SHELL-/bin/sh}
+ export SHELL
+ # Unset more variables known to interfere with behavior of common tools.
+ CLICOLOR_FORCE= GREP_OPTIONS=
+ unset CLICOLOR_FORCE GREP_OPTIONS
-if as_func_ret_failure; then
+## --------------------- ##
-  exitcode=1
+## M4sh Shell Functions. ##
-  echo as_func_ret_failure succeeded.
+## --------------------- ##
-fi
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
- if ( set x; as_func_ret_success y && test x = "$1" ); then
-   :
- else
-   exitcode=1
-   echo positional parameters were not saved.
- fi
-test $exitcode = 0) || { (exit 1); exit 1; }
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
-(
+# as_fn_exit STATUS
-  as_lineno_1=$LINENO
+# -----------------
-  as_lineno_2=$LINENO
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
+as_fn_exit ()
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
-_ASEOF
+# as_fn_mkdir_p
-}; then
+# -------------
-  break
+# Create "$as_dir" as a directory, including parents if necessary.
-fi
+as_fn_mkdir_p ()
+{
-fi
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+         X"$as_dir" : 'X\(//\)[^/]' \| \
+         X"$as_dir" : 'X\(//\)$' \| \
+         X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+            s//\1/
+            q
+          }
+          /^X\(\/\/\)[^/].*/{
+            s//\1/
+            q
+          }
+          /^X\(\/\/\)$/{
+            s//\1/
+            q
+          }
+          /^X\(\/\).*/{
+            s//\1/
+            q
+          }
+          s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
-       done
-      if test "x$CONFIG_SHELL" != x; then
+} # as_fn_mkdir_p
-  for as_var in BASH_ENV ENV
-        do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-        done
-        export CONFIG_SHELL
-        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
-fi
+ # as_fn_executable_p FILE
+ # -----------------------
+ # Test if FILE is an executable regular file.
+ as_fn_executable_p ()
+ {
+   test -f "$1" && test -x "$1"
+ } # as_fn_executable_p
+ # as_fn_append VAR VALUE
+ # ----------------------
+ # Append the text in VALUE to the end of the definition contained in VAR. Take
+ # advantage of any shell optimizations that allow amortized linear growth over
+ # repeated appends, instead of the typical quadratic growth present in naive
+ # implementations.
+ if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+ then :
+   eval 'as_fn_append ()
+   {
+     eval $1+=\$2
+   }'
+ else $as_nop
+   as_fn_append ()
+   {
+     eval $1=\$$1\$2
+   }
+ fi # as_fn_append
-    if test $as_have_required = no; then
+# as_fn_arith ARG...
-  echo This script requires a shell more modern than all the
+# ------------------
-      echo shells that I found on your system.  Please install a
+# Perform arithmetic evaluation on the ARGs, and store the result in the
-      echo modern shell, or manually run the script under such a
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
-      echo shell if you do have one.
+# must be portable across $(()) and expr.
-      { (exit 1); exit 1; }
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
-fi
+then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else $as_nop
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+# as_fn_nop
-fi
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
-fi
+as_fn_nop ()
+  return $?
-(eval "as_func_return () {
-  (exit \$1)
  }
-as_func_success () {
+as_nop=as_fn_nop
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-exitcode=0
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
-if as_func_success; then
+# ----------------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  printf "%s\n" "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
  else
-  exitcode=1
+  as_expr=false
-  echo as_func_success failed.
  fi
-if as_func_failure; then
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  exitcode=1
+  as_basename=basename
-  echo as_func_failure succeeded.
-fi
-if as_func_ret_success; then
-  :
  else
-  exitcode=1
+  as_basename=false
-  echo as_func_ret_success failed.
  fi
-if as_func_ret_failure; then
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  exitcode=1
+  as_dirname=dirname
-  echo as_func_ret_failure succeeded.
-fi
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
  else
-  exitcode=1
+  as_dirname=false
-  echo positional parameters were not saved.
  fi
-test \$exitcode = 0") || {
+as_me=`$as_basename -- "$0" ||
-  echo No shell found that supports shell functions.
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-  echo Please tell bug-autoconf@gnu.org about your system,
+         X"$0" : 'X\(//\)$' \| \
-  echo including any error possibly output before this message.
+         X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-  echo This can help us improve future autoconf versions.
+printf "%s\n" X/"$0" |
-  echo Configuration will now proceed without shell functions.
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
-}
+            s//\1/
+            q
+          }
+          /^X\/\(\/\/\)$/{
+            s//\1/
+            q
+          }
+          /^X\/\(\/\).*/{
+            s//\1/
+            q
+          }
+          s/.*/./; q'`
+ # Avoid depending upon Character Ranges.
+ as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+ as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+ as_cr_digits='0123456789'
+ as_cr_alnum=$as_cr_Letters$as_cr_digits
-  as_lineno_1=$LINENO
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
   as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
   # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
   # uniformly replaced by the line number.  The first 'sed' inserts a
   # line-number line after each line using $LINENO; the second 'sed'
   # does the real work.  The second script uses 'N' to pair each
   # line-number line with the line containing $LINENO, and appends
   # trailing '-' during substitution so that $LINENO is not a special
   # case at line end.
   # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
   # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
    sed -n '
      p
      /[$]LINENO/=
- Line 473  test \$exitcode = 0") || {
+ Line 505  test \$exitcode = 0") || {
        s/-\n.*//
      ' >$as_me.lineno &&
    chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-   { (exit 1); exit 1; }; }
+   # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+   # already done that, so ensure we don't try to do so again and fall
+   # in an infinite loop.  This has already happened in practice.
+   _as_can_reexec=no; export _as_can_reexec
    # Don't try to exec as it changes $[0], causing all sort of problems
    # (the dirname of $[0] is not the place where we might find the
    # original and so on.  Autoconf is especially sensitive to this).
- Line 485  test \$exitcode = 0") || {
+ Line 520  test \$exitcode = 0") || {
  }
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+# Determine whether it's possible to make 'echo' print without a newline.
-  as_dirname=dirname
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-else
+# for compatibility with existing Makefiles.
-  as_dirname=false
-fi
  ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
+case `echo -n x` in #(((((
  -n*)
-  case `echo 'x\c'` in
+  case `echo 'xy\c'` in
    *c*) ECHO_T=' ';;     # ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T=' ';;
    esac;;
  *)
    ECHO_N='-n';;
  esac
- if expr a : '\(a\)' >/dev/null 2>&1 &&
-    test "X`expr 00001 : '.*\(...\)'`" = X001; then
-   as_expr=expr
- else
-   as_expr=false
- fi
+ # 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
- Line 521  if (echo >conf$$.file) 2>/dev/null; then
+ Line 556  if (echo >conf$$.file) 2>/dev/null; then
      # ... but there are two gotchas:
      # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
      # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
      ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
    elif ln conf$$.file conf$$ 2>/dev/null; then
      as_ln_s=ln
    else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
    fi
  else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
  fi
  rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
  rmdir conf$$.dir 2>/dev/null
  if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
  else
    test -d ./-p && rmdir ./-p
    as_mkdir_p=false
  fi
-if test -x / >/dev/null 2>&1; then
+as_test_x='test -x'
 as_executable_p=as_fn_executable_p
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-        test -d "$1/.";
-      else
-        case $1 in
-        -*)set "./$1";;
-        esac;
-        case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
-        ???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
  # Sed expression to map a string onto a valid CPP name.
  as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
- Line 572  as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS
+ Line 587  as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS
  as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+ test -n "$DJDIR" || exec 7<&0 </dev/null
+ exec 6>&1
- exec 7<&0 </dev/null 6>&1
  # Name of the host.
-# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
  # so uname gets run too.
  ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
- Line 591  cross_compiling=no
+ Line 606  cross_compiling=no
  subdirs=
  MFLAGS=
  MAKEFLAGS=
- SHELL=${CONFIG_SHELL-/bin/sh}
  # Identity of this package.
  PACKAGE_NAME='libaitcfg'
  PACKAGE_TARNAME='libaitcfg'
-PACKAGE_VERSION='3.1'
+PACKAGE_VERSION='9.5'
-PACKAGE_STRING='libaitcfg 3.1'
+PACKAGE_STRING='libaitcfg 9.5'
-PACKAGE_BUGREPORT='misho@openbsd-bg.org'
+PACKAGE_BUGREPORT='misho@elwix.org'
+PACKAGE_URL=''
  ac_unique_file="src/aitcfg.c"
  # Factoring default headers for most tests.
  ac_includes_default="\
-#include <stdio.h>
+#include <stddef.h>
-#ifdef HAVE_SYS_TYPES_H
+#ifdef HAVE_STDIO_H
-# include <sys/types.h>
+# include <stdio.h>
  #endif
-#ifdef HAVE_SYS_STAT_H
+#ifdef HAVE_STDLIB_H
-# include <sys/stat.h>
-#endif
-#ifdef STDC_HEADERS
  # 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_subst_vars='SHELL
+ac_header_c_list=
-PATH_SEPARATOR
+ac_subst_vars='LTLIBOBJS
-PACKAGE_NAME
+DEBIAN_ARCH
-PACKAGE_TARNAME
-PACKAGE_VERSION
-PACKAGE_STRING
-PACKAGE_BUGREPORT
-exec_prefix
-prefix
-program_transform_name
-bindir
-sbindir
-libexecdir
-datarootdir
-datadir
-sysconfdir
-sharedstatedir
-localstatedir
-includedir
-oldincludedir
-docdir
-infodir
-htmldir
-dvidir
-pdfdir
-psdir
-libdir
-localedir
-mandir
-DEFS
-ECHO_C
-ECHO_N
-ECHO_T
-LIBS
-build_alias
-host_alias
-target_alias
-CC
-CFLAGS
-LDFLAGS
-CPPFLAGS
-ac_ct_CC
-EXEEXT
-OBJEXT
-INSTALL_PROGRAM
-INSTALL_SCRIPT
-INSTALL_DATA
-build
-build_cpu
-build_vendor
-build_os
-host
-host_cpu
-host_vendor
-host_os
-target
-target_cpu
-target_vendor
-target_os
-MKDEP
-CPP
-GREP
-EGREP
  LIBOBJS
-LTLIBOBJS'
+MKDEP
+target_os
+target_vendor
+target_cpu
+target
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
+RANLIB
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+runstatedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
  ac_subst_files=''
  ac_user_opts='
  enable_option_checking
- Line 714  CC
+ Line 726  CC
  CFLAGS
  LDFLAGS
  LIBS
-CPPFLAGS
+CPPFLAGS'
-CPP'
  # Initialize some variables set by options.
- Line 754  datadir='${datarootdir}'
+ Line 765  datadir='${datarootdir}'
  sysconfdir='${prefix}/etc'
  sharedstatedir='${prefix}/com'
  localstatedir='${prefix}/var'
+ runstatedir='${localstatedir}/run'
  includedir='${prefix}/include'
  oldincludedir='/usr/include'
  docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
- Line 778  do
+ Line 790  do
    fi
    case $ac_option in
-  *=*)        ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *)        ac_optarg=yes ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
    esac
-   # Accept the important Cygnus configure options, so we can diagnose typos.
    case $ac_dashdash$ac_option in
    --)
      ac_dashdash=yes ;;
- Line 824  do
+ Line 835  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 &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
-   { (exit 1); exit 1; }; }
      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"
- Line 851  do
+ Line 861  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 &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
-   { (exit 1); exit 1; }; }
      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"
- Line 1007  do
+ Line 1016  do
    | -silent | --silent | --silen | --sile | --sil)
      silent=yes ;;
+   -runstatedir | --runstatedir | --runstatedi | --runstated \
+   | --runstate | --runstat | --runsta | --runst | --runs \
+   | --run | --ru | --r)
+     ac_prev=runstatedir ;;
+   -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+   | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+   | --run=* | --ru=* | --r=*)
+     runstatedir=$ac_optarg ;;
    -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
      ac_prev=sbindir ;;
    -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
- Line 1056  do
+ Line 1074  do
      ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
      # Reject names that are not valid shell variable names.
      expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
-   { (exit 1); exit 1; }; }
      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"
- Line 1073  do
+ Line 1090  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 &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
-   { (exit 1); exit 1; }; }
      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"
- Line 1104  do
+ Line 1120  do
    | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
      x_libraries=$ac_optarg ;;
-  -*) { $as_echo "$as_me: error: unrecognized option: $ac_option
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information." >&2
+Try \`$0 --help' for more information"
-   { (exit 1); exit 1; }; }
      ;;
    *=*)
      ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
      # Reject names that are not valid shell variable names.
-    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
+    case $ac_envvar in #(
-      { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+    esac
      eval $ac_envvar=\$ac_optarg
      export $ac_envvar ;;
    *)
      # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$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}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
      ;;
    esac
- Line 1131  done
+ Line 1147  done
  if test -n "$ac_prev"; then
    ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  { $as_echo "$as_me: error: missing argument to $ac_option" >&2
+  as_fn_error $? "missing argument to $ac_option"
-   { (exit 1); exit 1; }; }
  fi
  if test -n "$ac_unrecognized_opts"; then
    case $enable_option_checking in
      no) ;;
-    fatal) { $as_echo "$as_me: error: Unrecognized options: $ac_unrecognized_opts" >&2
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
-   { (exit 1); exit 1; }; } ;;
+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
-    *)     $as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2 ;;
    esac
  fi
- Line 1148  fi
+ Line 1162  fi
  for ac_var in   exec_prefix prefix bindir sbindir libexecdir datarootdir \
                  datadir sysconfdir sharedstatedir localstatedir includedir \
                  oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-                libdir localedir mandir
+                libdir localedir mandir runstatedir
  do
    eval ac_val=\$$ac_var
    # Remove trailing slashes.
- Line 1162  do
+ Line 1176  do
      [\\/$]* | ?:[\\/]* )  continue;;
      NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
    esac
-  { $as_echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
-   { (exit 1); exit 1; }; }
  done
  # There might be people who depend on the old broken behavior: `$host'
- Line 1177  target=$target_alias
+ Line 1190  target=$target_alias
  if test "x$host_alias" != x; then
    if test "x$build_alias" = x; then
      cross_compiling=maybe
-     $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
-     If a cross compiler is detected then cross compile mode will be used." >&2
    elif test "x$build_alias" != "x$host_alias"; then
      cross_compiling=yes
    fi
- Line 1193  test "$silent" = yes && exec 6>/dev/null
+ Line 1204  test "$silent" = yes && exec 6>/dev/null
  ac_pwd=`pwd` && test -n "$ac_pwd" &&
  ac_ls_di=`ls -di .` &&
  ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  { $as_echo "$as_me: error: Working directory cannot be determined" >&2
+  as_fn_error $? "working directory cannot be determined"
-   { (exit 1); exit 1; }; }
  test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  { $as_echo "$as_me: error: pwd does not report name of working directory" >&2
+  as_fn_error $? "pwd does not report name of working directory"
-   { (exit 1); exit 1; }; }
  # Find the source files, if location was not specified.
- Line 1209  $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$'
+ Line 1218  $as_expr X"$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\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
              s//\1/
              q
- Line 1236  else
+ Line 1245  else
  fi
  if test ! -r "$srcdir/$ac_unique_file"; then
    test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  { $as_echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
-   { (exit 1); exit 1; }; }
  fi
  ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
  ac_abs_confdir=`(
-        cd "$srcdir" && test -r "./$ac_unique_file" || { $as_echo "$as_me: error: $ac_msg" >&2
+        cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
-   { (exit 1); exit 1; }; }
          pwd)`
  # When building in place, set srcdir=.
  if test "$ac_abs_confdir" = "$ac_pwd"; then
- Line 1268  if test "$ac_init_help" = "long"; then
+ Line 1275  if test "$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 libaitcfg 3.1 to adapt to many kinds of systems.
+\`configure' configures libaitcfg 9.5 to adapt to many kinds of systems.
  Usage: $0 [OPTION]... [VAR=VALUE]...
- Line 1282  Configuration:
+ Line 1289  Configuration:
        --help=short        display options specific to this package
        --help=recursive    display the short help of all the included packages
    -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking...' messages
+  -q, --quiet, --silent   do not print \`checking ...' messages
        --cache-file=FILE   cache test results in FILE [disabled]
    -C, --config-cache      alias for \`--cache-file=config.cache'
    -n, --no-create         do not create output files
- Line 1308  Fine tuning of the installation directories:
+ Line 1315  Fine tuning of the installation directories:
    --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
    --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
    --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+   --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
    --libdir=DIR            object code libraries [EPREFIX/lib]
    --includedir=DIR        C header files [PREFIX/include]
    --oldincludedir=DIR     C header files for non-gcc [/usr/include]
- Line 1334  fi
+ Line 1342  fi
  if test -n "$ac_init_help"; then
    case $ac_init_help in
-     short | recursive ) echo "Configuration of libaitcfg 3.1:";;
+     short | recursive ) echo "Configuration of libaitcfg 9.5:";;
     esac
    cat <<\_ACEOF
- Line 1350  Some influential environment variables:
+ Line 1358  Some influential environment variables:
    LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
                nonstandard directory <lib dir>
    LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
                you have headers in a nonstandard directory <include dir>
-   CPP         C preprocessor
  Use these variables to override the choices made by `configure' or to help
  it to find libraries and programs with nonstandard names/locations.
-Report bugs to <misho@openbsd-bg.org>.
+Report bugs to <misho@elwix.org>.
  _ACEOF
  ac_status=$?
  fi
- Line 1373  if test "$ac_init_help" = "recursive"; then
+ Line 1380  if test "$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/ ;;
- Line 1403  esac
+ Line 1410  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
- Line 1411  ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+ Line 1419  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
- Line 1420  fi
+ Line 1428  fi
  test -n "$ac_init_help" && exit $ac_status
  if $ac_init_version; then
    cat <<\_ACEOF
-libaitcfg configure 3.1
+libaitcfg configure 9.5
-generated by GNU Autoconf 2.62
+generated by GNU Autoconf 2.71
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+Copyright (C) 2021 Free Software Foundation, Inc.
-, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
  This configure script is free software; the Free Software Foundation
  gives unlimited permission to copy, distribute and modify it.
  _ACEOF
    exit
  fi
+ ## ------------------------ ##
+ ## Autoconf initialization. ##
+ ## ------------------------ ##
+ # ac_fn_c_try_compile LINENO
+ # --------------------------
+ # Try to compile conftest.$ac_ext, and return whether this succeeded.
+ ac_fn_c_try_compile ()
+ {
+   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+   rm -f conftest.$ac_objext conftest.beam
+   if { { ac_try="$ac_compile"
+ case "(($ac_try" in
+   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+   *) ac_try_echo=$ac_try;;
+ esac
+ eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+ printf "%s\n" "$ac_try_echo"; } >&5
+   (eval "$ac_compile") 2>conftest.err
+   ac_status=$?
+   if test -s conftest.err; then
+     grep -v '^ *+' conftest.err >conftest.er1
+     cat conftest.er1 >&5
+     mv -f conftest.er1 conftest.err
+   fi
+   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+   test $ac_status = 0; } && {
+          test -z "$ac_c_werror_flag" ||
+          test ! -s conftest.err
+        } && test -s conftest.$ac_objext
+ then :
+   ac_retval=0
+ else $as_nop
+   printf "%s\n" "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+         ac_retval=1
+ fi
+   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+   as_fn_set_status $ac_retval
+ } # ac_fn_c_try_compile
+ # ac_fn_c_try_link LINENO
+ # -----------------------
+ # Try to link conftest.$ac_ext, and return whether this succeeded.
+ ac_fn_c_try_link ()
+ {
+   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+   rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+   if { { ac_try="$ac_link"
+ case "(($ac_try" in
+   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+   *) ac_try_echo=$ac_try;;
+ esac
+ eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+ printf "%s\n" "$ac_try_echo"; } >&5
+   (eval "$ac_link") 2>conftest.err
+   ac_status=$?
+   if test -s conftest.err; then
+     grep -v '^ *+' conftest.err >conftest.er1
+     cat conftest.er1 >&5
+     mv -f conftest.er1 conftest.err
+   fi
+   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+   test $ac_status = 0; } && {
+          test -z "$ac_c_werror_flag" ||
+          test ! -s conftest.err
+        } && test -s conftest$ac_exeext && {
+          test "$cross_compiling" = yes ||
+          test -x conftest$ac_exeext
+        }
+ then :
+   ac_retval=0
+ else $as_nop
+   printf "%s\n" "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+         ac_retval=1
+ fi
+   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+   # interfere with the next link command; also delete a directory that is
+   # left behind by Apple's compiler.  We do this before executing the actions.
+   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+   as_fn_set_status $ac_retval
+ } # ac_fn_c_try_link
+ # ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+ # -------------------------------------------------------
+ # Tests whether HEADER exists and can be compiled using the include files in
+ # INCLUDES, setting the cache variable VAR accordingly.
+ ac_fn_c_check_header_compile ()
+ {
+   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+ printf %s "checking for $2... " >&6; }
+ if eval test \${$3+y}
+ then :
+   printf %s "(cached) " >&6
+ else $as_nop
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ $4
+ #include <$2>
+ _ACEOF
+ if ac_fn_c_try_compile "$LINENO"
+ then :
+   eval "$3=yes"
+ else $as_nop
+   eval "$3=no"
+ fi
+ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+ fi
+ eval ac_res=\$$3
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+ printf "%s\n" "$ac_res" >&6; }
+   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+ } # ac_fn_c_check_header_compile
+ # ac_fn_c_try_run LINENO
+ # ----------------------
+ # Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
+ # executables *can* be run.
+ ac_fn_c_try_run ()
+ {
+   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+   if { { ac_try="$ac_link"
+ case "(($ac_try" in
+   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+   *) ac_try_echo=$ac_try;;
+ esac
+ eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+ printf "%s\n" "$ac_try_echo"; } >&5
+   (eval "$ac_link") 2>&5
+   ac_status=$?
+   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+   test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+   { { case "(($ac_try" in
+   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+   *) ac_try_echo=$ac_try;;
+ esac
+ eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+ printf "%s\n" "$ac_try_echo"; } >&5
+   (eval "$ac_try") 2>&5
+   ac_status=$?
+   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+   test $ac_status = 0; }; }
+ then :
+   ac_retval=0
+ else $as_nop
+   printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+        printf "%s\n" "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+        ac_retval=$ac_status
+ fi
+   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+   as_fn_set_status $ac_retval
+ } # ac_fn_c_try_run
+ # ac_fn_c_check_func LINENO FUNC VAR
+ # ----------------------------------
+ # Tests whether FUNC exists, setting the cache variable VAR accordingly
+ ac_fn_c_check_func ()
+ {
+   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+ printf %s "checking for $2... " >&6; }
+ if eval test \${$3+y}
+ then :
+   printf %s "(cached) " >&6
+ else $as_nop
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+ #define $2 innocuous_$2
+ /* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.  */
+ #include <limits.h>
+ #undef $2
+ /* Override any GCC internal prototype to avoid an error.
+    Use char because int might match the return type of a GCC
+    builtin and then its argument prototype would still apply.  */
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+ char $2 ();
+ /* The GNU C library defines this for functions which it implements
+     to always fail with ENOSYS.  Some functions are actually named
+     something starting with __ and the normal name is an alias.  */
+ #if defined __stub_$2 || defined __stub___$2
+ choke me
+ #endif
+ int
+ main (void)
+ {
+ return $2 ();
+   ;
+   return 0;
+ }
+ _ACEOF
+ if ac_fn_c_try_link "$LINENO"
+ then :
+   eval "$3=yes"
+ else $as_nop
+   eval "$3=no"
+ fi
+ rm -f core conftest.err conftest.$ac_objext conftest.beam \
+     conftest$ac_exeext conftest.$ac_ext
+ fi
+ eval ac_res=\$$3
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+ printf "%s\n" "$ac_res" >&6; }
+   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+ } # ac_fn_c_check_func
+ ac_configure_args_raw=
+ for ac_arg
+ do
+   case $ac_arg in
+   *\'*)
+     ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+   esac
+   as_fn_append ac_configure_args_raw " '$ac_arg'"
+ done
+ case $ac_configure_args_raw in
+   *$as_nl*)
+     ac_safe_unquote= ;;
+   *)
+     ac_unsafe_z='|&;<>()$`\\"*?[ ''     ' # This string ends in space, tab.
+     ac_unsafe_a="$ac_unsafe_z#~"
+     ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
+     ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
+ esac
  cat >config.log <<_ACEOF
  This file contains any messages produced by compilers while
  running configure, to aid debugging if configure makes a mistake.
-It was created by libaitcfg $as_me 3.1, which was
+It was created by libaitcfg $as_me 9.5, which was
-generated by GNU Autoconf 2.62.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
-  $ $0 $@
+  $ $0$ac_configure_args_raw
  _ACEOF
  exec 5>>config.log
- Line 1470  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 1725  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_echo "PATH: $as_dir"
+    '') as_dir=./ ;;
-done
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    printf "%s\n" "PATH: $as_dir"
+  done
  IFS=$as_save_IFS
  } >&5
- Line 1506  do
+ Line 1765  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 $ac_pass in
-) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
 )
-      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      as_fn_append ac_configure_args1 " '$ac_arg'"
        if test $ac_must_keep_next = true; then
          ac_must_keep_next=false # Got value, back to normal.
        else
- Line 1527  do
+ Line 1786  do
            -* ) ac_must_keep_next=true ;;
          esac
        fi
-      ac_configure_args="$ac_configure_args '$ac_arg'"
+      as_fn_append ac_configure_args " '$ac_arg'"
        ;;
      esac
    done
  done
-$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
+{ ac_configure_args0=; unset ac_configure_args0;}
-$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+{ ac_configure_args1=; unset ac_configure_args1;}
  # When interrupted or exit'd, cleanup temporary files, and complete
  # config.log.  We remove comments because anyway the quotes in there
- Line 1541  $as_unset ac_configure_args1 || test "${ac_configure_a
+ Line 1800  $as_unset ac_configure_args1 || test "${ac_configure_a
  # 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
-    cat <<\_ASBOX
+    printf "%s\n" "## ---------------- ##
-## ---------------- ##
  ## Cache variables. ##
-## ---------------- ##
+## ---------------- ##"
-_ASBOX
      echo
      # The following way of writing the cache mishandles newlines in values,
  (
- Line 1558  _ASBOX
+ Line 1817  _ASBOX
      case $ac_val in #(
      *${as_nl}*)
        case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
        esac
        case $ac_var in #(
        _ | IFS | as_nl) ;; #(
        BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) $as_unset $ac_var ;;
+      *) { eval $ac_var=; unset $ac_var;} ;;
        esac ;;
      esac
    done
- Line 1583  $as_echo "$as_me: WARNING: Cache variable $ac_var cont
+ Line 1842  $as_echo "$as_me: WARNING: Cache variable $ac_var cont
  )
      echo
-    cat <<\_ASBOX
+    printf "%s\n" "## ----------------- ##
-## ----------------- ##
  ## Output variables. ##
-## ----------------- ##
+## ----------------- ##"
-_ASBOX
      echo
      for ac_var in $ac_subst_vars
      do
        eval ac_val=\$$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
-      cat <<\_ASBOX
+      printf "%s\n" "## ------------------- ##
-## ------------------- ##
  ## File substitutions. ##
-## ------------------- ##
+## ------------------- ##"
-_ASBOX
        echo
        for ac_var in $ac_subst_files
        do
          eval ac_val=\$$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='\''$ac_val'\''"
        done | sort
        echo
      fi
      if test -s confdefs.h; then
-      cat <<\_ASBOX
+      printf "%s\n" "## ----------- ##
-## ----------- ##
  ## confdefs.h. ##
-## ----------- ##
+## ----------- ##"
-_ASBOX
        echo
        cat confdefs.h
        echo
      fi
      test "$ac_signal" != 0 &&
-      $as_echo "$as_me: caught signal $ac_signal"
+      printf "%s\n" "$as_me: caught signal $ac_signal"
-    $as_echo "$as_me: exit $exit_status"
+    printf "%s\n" "$as_me: exit $exit_status"
    } >&5
    rm -f core *.core core.conftest.* &&
      rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
      exit $exit_status
  ' 0
  for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
  done
  ac_signal=0
  # confdefs.h avoids OS command line length limits that DEFS can exceed.
  rm -f -r conftest* confdefs.h
+ printf "%s\n" "/* confdefs.h */" > confdefs.h
  # Predefined preprocessor variables.
-cat >>confdefs.h <<_ACEOF
+printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
-#define PACKAGE_NAME "$PACKAGE_NAME"
-_ACEOF
+ printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
-cat >>confdefs.h <<_ACEOF
+printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
-#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
-_ACEOF
+ printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
-cat >>confdefs.h <<_ACEOF
+printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
-#define PACKAGE_VERSION "$PACKAGE_VERSION"
-_ACEOF
+ printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
- cat >>confdefs.h <<_ACEOF
- #define PACKAGE_STRING "$PACKAGE_STRING"
- _ACEOF
- cat >>confdefs.h <<_ACEOF
- #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
- _ACEOF
  # 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 "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  ac_site_files="$CONFIG_SITE"
  elif test "x$prefix" != xNONE; then
-  ac_site_file1=$prefix/share/config.site
+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
-  ac_site_file2=$prefix/etc/config.site
  else
-  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
-  ac_site_file2=$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
+  case $ac_site_file in #(
-  if test -r "$ac_site_file"; then
+  */*) :
-    { $as_echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+     ;; #(
-$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+  *) :
+    ac_site_file=./$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
-    . "$ac_site_file"
+    . "$ac_site_file" \
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
    fi
  done
  if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special
+  # Some versions of bash will fail to source /dev/null (special files
-  # files actually), so we avoid doing that.
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
-  if test -f "$cache_file"; then
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { $as_echo "$as_me:$LINENO: loading cache $cache_file" >&5
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-$as_echo "$as_me: loading cache $cache_file" >&6;}
+printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
      case $cache_file in
        [\\/]* | ?:[\\/]* ) . "$cache_file";;
        *)                      . "./$cache_file";;
      esac
    fi
  else
-  { $as_echo "$as_me:$LINENO: creating cache $cache_file" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-$as_echo "$as_me: creating cache $cache_file" >&6;}
+printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
    >$cache_file
  fi
+ # Test code for whether the C compiler supports C89 (global declarations)
+ ac_c_conftest_c89_globals='
+ /* Does the compiler advertise C89 conformance?
+    Do not test the value of __STDC__, because some compilers set it to 0
+    while being otherwise adequately conformant. */
+ #if !defined __STDC__
+ # error "Compiler does not advertise C89 conformance"
+ #endif
+ #include <stddef.h>
+ #include <stdarg.h>
+ struct stat;
+ /* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
+ struct buf { int x; };
+ struct buf * (*rcsopen) (struct buf *, struct stat *, int);
+ static char *e (p, i)
+      char **p;
+      int i;
+ {
+   return p[i];
+ }
+ static char *f (char * (*g) (char **, int), char **p, ...)
+ {
+   char *s;
+   va_list v;
+   va_start (v,p);
+   s = g (p, va_arg (v,int));
+   va_end (v);
+   return s;
+ }
+ /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+    function prototypes and stuff, but not \xHH hex character constants.
+    These do not provoke an error unfortunately, instead are silently treated
+    as an "x".  The following induces an error, until -std is added to get
+    proper ANSI mode.  Curiously \x00 != x always comes out true, for an
+    array size at least.  It is necessary to write \x00 == 0 to get something
+    that is true only with -std.  */
+ int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];
+ /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+    inside strings and character constants.  */
+ #define FOO(x) '\''x'\''
+ int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];
+ int test (int i, double x);
+ struct s1 {int (*f) (int a);};
+ struct s2 {int (*f) (double a);};
+ int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),
+                int, int);'
+ # Test code for whether the C compiler supports C89 (body of main).
+ ac_c_conftest_c89_main='
+ ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
+ '
+ # Test code for whether the C compiler supports C99 (global declarations)
+ ac_c_conftest_c99_globals='
+ // Does the compiler advertise C99 conformance?
+ #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
+ # error "Compiler does not advertise C99 conformance"
+ #endif
+ #include <stdbool.h>
+ extern int puts (const char *);
+ extern int printf (const char *, ...);
+ extern int dprintf (int, const char *, ...);
+ extern void *malloc (size_t);
+ // Check varargs macros.  These examples are taken from C99 6.10.3.5.
+ // dprintf is used instead of fprintf to avoid needing to declare
+ // FILE and stderr.
+ #define debug(...) dprintf (2, __VA_ARGS__)
+ #define showlist(...) puts (#__VA_ARGS__)
+ #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
+ static void
+ test_varargs_macros (void)
+ {
+   int x = 1234;
+   int y = 5678;
+   debug ("Flag");
+   debug ("X = %d\n", x);
+   showlist (The first, second, and third items.);
+   report (x>y, "x is %d but y is %d", x, y);
+ }
+ // Check long long types.
+ #define BIG64 18446744073709551615ull
+ #define BIG32 4294967295ul
+ #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
+ #if !BIG_OK
+   #error "your preprocessor is broken"
+ #endif
+ #if BIG_OK
+ #else
+   #error "your preprocessor is broken"
+ #endif
+ static long long int bignum = -9223372036854775807LL;
+ static unsigned long long int ubignum = BIG64;
+ struct incomplete_array
+ {
+   int datasize;
+   double data[];
+ };
+ struct named_init {
+   int number;
+   const wchar_t *name;
+   double average;
+ };
+ typedef const char *ccp;
+ static inline int
+ test_restrict (ccp restrict text)
+ {
+   // See if C++-style comments work.
+   // Iterate through items via the restricted pointer.
+   // Also check for declarations in for loops.
+   for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
+     continue;
+   return 0;
+ }
+ // Check varargs and va_copy.
+ static bool
+ test_varargs (const char *format, ...)
+ {
+   va_list args;
+   va_start (args, format);
+   va_list args_copy;
+   va_copy (args_copy, args);
+   const char *str = "";
+   int number = 0;
+   float fnumber = 0;
+   while (*format)
+     {
+       switch (*format++)
+         {
+         case '\''s'\'': // string
+           str = va_arg (args_copy, const char *);
+           break;
+         case '\''d'\'': // int
+           number = va_arg (args_copy, int);
+           break;
+         case '\''f'\'': // float
+           fnumber = va_arg (args_copy, double);
+           break;
+         default:
+           break;
+         }
+     }
+   va_end (args_copy);
+   va_end (args);
+   return *str && number && fnumber;
+ }
+ '
+ # Test code for whether the C compiler supports C99 (body of main).
+ ac_c_conftest_c99_main='
+   // Check bool.
+   _Bool success = false;
+   success |= (argc != 0);
+   // Check restrict.
+   if (test_restrict ("String literal") == 0)
+     success = true;
+   char *restrict newvar = "Another string";
+   // Check varargs.
+   success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
+   test_varargs_macros ();
+   // Check flexible array members.
+   struct incomplete_array *ia =
+     malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+   ia->datasize = 10;
+   for (int i = 0; i < ia->datasize; ++i)
+     ia->data[i] = i * 1.234;
+   // Check named initializers.
+   struct named_init ni = {
+     .number = 34,
+     .name = L"Test wide string",
+     .average = 543.34343,
+   };
+   ni.number = 58;
+   int dynamic_array[ni.number];
+   dynamic_array[0] = argv[0][0];
+   dynamic_array[ni.number - 1] = 543;
+   // work around unused variable warnings
+   ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
+          || dynamic_array[ni.number - 1] != 543);
+ '
+ # Test code for whether the C compiler supports C11 (global declarations)
+ ac_c_conftest_c11_globals='
+ // Does the compiler advertise C11 conformance?
+ #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
+ # error "Compiler does not advertise C11 conformance"
+ #endif
+ // Check _Alignas.
+ char _Alignas (double) aligned_as_double;
+ char _Alignas (0) no_special_alignment;
+ extern char aligned_as_int;
+ char _Alignas (0) _Alignas (int) aligned_as_int;
+ // Check _Alignof.
+ enum
+ {
+   int_alignment = _Alignof (int),
+   int_array_alignment = _Alignof (int[100]),
+   char_alignment = _Alignof (char)
+ };
+ _Static_assert (0 < -_Alignof (int), "_Alignof is signed");
+ // Check _Noreturn.
+ int _Noreturn does_not_return (void) { for (;;) continue; }
+ // Check _Static_assert.
+ struct test_static_assert
+ {
+   int x;
+   _Static_assert (sizeof (int) <= sizeof (long int),
+                   "_Static_assert does not work in struct");
+   long int y;
+ };
+ // Check UTF-8 literals.
+ #define u8 syntax error!
+ char const utf8_literal[] = u8"happens to be ASCII" "another string";
+ // Check duplicate typedefs.
+ typedef long *long_ptr;
+ typedef long int *long_ptr;
+ typedef long_ptr long_ptr;
+ // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.
+ struct anonymous
+ {
+   union {
+     struct { int i; int j; };
+     struct { int k; long int l; } w;
+   };
+   int m;
+ } v1;
+ '
+ # Test code for whether the C compiler supports C11 (body of main).
+ ac_c_conftest_c11_main='
+   _Static_assert ((offsetof (struct anonymous, i)
+                    == offsetof (struct anonymous, w.k)),
+                   "Anonymous union alignment botch");
+   v1.i = 2;
+   v1.w.k = 5;
+   ok |= v1.i != 5;
+ '
+ # Test code for whether the C compiler supports C11 (complete).
+ ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}
+ ${ac_c_conftest_c99_globals}
+ ${ac_c_conftest_c11_globals}
+ int
+ main (int argc, char **argv)
+ {
+   int ok = 0;
+   ${ac_c_conftest_c89_main}
+   ${ac_c_conftest_c99_main}
+   ${ac_c_conftest_c11_main}
+   return ok;
+ }
+ "
+ # Test code for whether the C compiler supports C99 (complete).
+ ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}
+ ${ac_c_conftest_c99_globals}
+ int
+ main (int argc, char **argv)
+ {
+   int ok = 0;
+   ${ac_c_conftest_c89_main}
+   ${ac_c_conftest_c99_main}
+   return ok;
+ }
+ "
+ # Test code for whether the C compiler supports C89 (complete).
+ ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}
+ int
+ main (int argc, char **argv)
+ {
+   int ok = 0;
+   ${ac_c_conftest_c89_main}
+   return ok;
+ }
+ "
+ as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"
+ as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"
+ as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"
+ as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"
+ as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"
+ as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
+ as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
+ as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
+ as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
+ # Auxiliary files required by this configure script.
+ ac_aux_files="config.guess config.sub install-sh"
+ # Locations in which to look for auxiliary files.
+ ac_aux_dir_candidates="${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
- Line 1721  for ac_var in $ac_precious_vars; do
+ Line 2385  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:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+      { printf "%s\n" "$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" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
        ac_cache_corrupted=: ;;
      ,set)
-      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+      { printf "%s\n" "$as_me:${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: error: \`$ac_var' was not set in the previous run" >&2;}
        ac_cache_corrupted=: ;;
      ,);;
      *)
- Line 1735  $as_echo "$as_me: error: \`$ac_var' was not set in the
+ Line 2399  $as_echo "$as_me: error: \`$ac_var' was not set in the
          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:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+          { printf "%s\n" "$as_me:${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: error: \`$ac_var' has changed since the previous run:" >&2;}
            ac_cache_corrupted=:
          else
-          { $as_echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+          { printf "%s\n" "$as_me:${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: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
            eval $ac_var=\$ac_old_val
          fi
-        { $as_echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
-        { $as_echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+printf "%s\n" "$as_me:   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 " $ac_configure_args " in
        *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
      esac
    fi
  done
  if $ac_cache_corrupted; then
-  { $as_echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-  { { $as_echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-$as_echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
+printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
+            and start over" "$LINENO" 5
  fi
+ ## -------------------- ##
+ ## Main body of script. ##
+ ## -------------------- ##
+ ac_ext=c
+ ac_cpp='$CPP $CPPFLAGS'
+ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ ac_config_headers="$ac_config_headers inc/config.h"
+ ac_cv_func_malloc_0_nonnull="yes"
+ ac_cv_func_realloc_0_nonnull="yes"
+ # Checks for programs.
- Line 1784  fi
+ Line 2461  fi
  ac_ext=c
  ac_cpp='$CPP $CPPFLAGS'
  ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
  ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
  ac_compiler_gnu=$ac_cv_c_compiler_gnu
- ac_config_headers="$ac_config_headers inc/config.h"
- # Checks for programs.
- ac_ext=c
- ac_cpp='$CPP $CPPFLAGS'
- ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
- ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
- ac_compiler_gnu=$ac_cv_c_compiler_gnu
  if test -n "$ac_tool_prefix"; then
    # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
  set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if test ${ac_cv_prog_CC+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$CC"; then
    ac_cv_prog_CC="$CC" # Let the user override the test.
  else
- Line 1825  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 2482  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
      ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  fi
  fi
  CC=$ac_cv_prog_CC
  if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+printf "%s\n" "$CC" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
- Line 1853  if test -z "$ac_cv_prog_CC"; then
+ Line 2514  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:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+if test ${ac_cv_prog_ac_ct_CC+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$ac_ct_CC"; then
    ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
  else
- Line 1865  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 2527  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
      ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  fi
  fi
  ac_ct_CC=$ac_cv_prog_ac_ct_CC
  if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+printf "%s\n" "$ac_ct_CC" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
    if test "x$ac_ct_CC" = x; then
- Line 1892  fi
+ Line 2558  fi
    else
      case $cross_compiling:$ac_tool_warned in
  yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-whose name does not start with the host triplet.  If you think this
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
  ac_tool_warned=yes ;;
  esac
      CC=$ac_ct_CC
- Line 1910  if test -z "$CC"; then
+ Line 2572  if test -z "$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:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if test ${ac_cv_prog_CC+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$CC"; then
    ac_cv_prog_CC="$CC" # Let the user override the test.
  else
- Line 1922  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 2585  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
      ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  fi
  fi
  CC=$ac_cv_prog_CC
  if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+printf "%s\n" "$CC" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
- Line 1950  fi
+ Line 2617  fi
  if test -z "$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:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if test ${ac_cv_prog_CC+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$CC"; then
    ac_cv_prog_CC="$CC" # Let the user override the test.
  else
- Line 1963  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 2631  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
-    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
         ac_prog_rejected=yes
         continue
       fi
      ac_cv_prog_CC="cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  if test $ac_prog_rejected = yes; then
- Line 1987  if test $ac_prog_rejected = yes; then
+ Line 2659  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:$LINENO: result: $CC" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+printf "%s\n" "$CC" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
- Line 2009  if test -z "$CC"; then
+ Line 2681  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:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if test ${ac_cv_prog_CC+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$CC"; then
    ac_cv_prog_CC="$CC" # Let the user override the test.
  else
- Line 2021  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 2694  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
      ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  fi
  fi
  CC=$ac_cv_prog_CC
  if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+printf "%s\n" "$CC" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
- Line 2053  if test -z "$CC"; then
+ Line 2730  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:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+if test ${ac_cv_prog_ac_ct_CC+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$ac_ct_CC"; then
    ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
  else
- Line 2065  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 2743  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
      ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  fi
  fi
  ac_ct_CC=$ac_cv_prog_ac_ct_CC
  if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+printf "%s\n" "$ac_ct_CC" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
- Line 2096  done
+ Line 2778  done
    else
      case $cross_compiling:$ac_tool_warned in
  yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-whose name does not start with the host triplet.  If you think this
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
  ac_tool_warned=yes ;;
  esac
      CC=$ac_ct_CC
- Line 2109  esac
+ Line 2787  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-$LINENO}: result: no" >&5
+ printf "%s\n" "no" >&6; }
+ fi
- test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
- See \`config.log' for more details." >&5
- $as_echo "$as_me: error: no acceptable C compiler found in \$PATH
- See \`config.log' for more details." >&2;}
-    { (exit 1); exit 1; }; }
+ fi
+ if test -z "$ac_cv_prog_CC"; then
+   ac_ct_CC=$CC
+   # Extract the first word of "clang", so it can be a program name with args.
+ set dummy clang; ac_word=$2
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+ printf %s "checking for $ac_word... " >&6; }
+ if test ${ac_cv_prog_ac_ct_CC+y}
+ then :
+   printf %s "(cached) " >&6
+ else $as_nop
+   if test -n "$ac_ct_CC"; then
+   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+ else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ for as_dir in $PATH
+ do
+   IFS=$as_save_IFS
+   case $as_dir in #(((
+     '') as_dir=./ ;;
+     */) ;;
+     *) as_dir=$as_dir/ ;;
+   esac
+     for ac_exec_ext in '' $ac_executable_extensions; do
+   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_CC="clang"
+     printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+     break 2
+   fi
+ done
+   done
+ IFS=$as_save_IFS
+ fi
+ fi
+ ac_ct_CC=$ac_cv_prog_ac_ct_CC
+ if test -n "$ac_ct_CC"; then
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+ printf "%s\n" "$ac_ct_CC" >&6; }
+ else
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+ printf "%s\n" "no" >&6; }
+ fi
+   if test "x$ac_ct_CC" = x; then
+     CC=""
+   else
+     case $cross_compiling:$ac_tool_warned in
+ yes:)
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+ printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ ac_tool_warned=yes ;;
+ esac
+     CC=$ac_ct_CC
+   fi
+ else
+   CC="$ac_cv_prog_CC"
+ fi
+ fi
+ test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+ printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+ as_fn_error $? "no acceptable C compiler found in \$PATH
+ See \`config.log' for more details" "$LINENO" 5; }
  # Provide some information about the compiler.
-$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
  set X $ac_compile
  ac_compiler=$2
-{ (ac_try="$ac_compiler --version >&5"
+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=$ac_try;;
  esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
+printf "%s\n" "$ac_try_echo"; } >&5
-  (eval "$ac_compiler --version >&5") 2>&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
    ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  if test -s conftest.err; then
-  (exit $ac_status); }
+    sed '10a\
-{ (ac_try="$ac_compiler -v >&5"
+... rest of stderr output deleted ...
-case "(($ac_try" in
+q' conftest.err >conftest.er1
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+    cat conftest.er1 >&5
-  *) ac_try_echo=$ac_try;;
+  fi
-esac
+  rm -f conftest.er1 conftest.err
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-$as_echo "$ac_try_echo") >&5
+  test $ac_status = 0; }
-  (eval "$ac_compiler -v >&5") 2>&5
+done
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-cat >conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
  int
-main ()
+main (void)
  {
    ;
- Line 2175  ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe
+ Line 2939  ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe
  # 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:$LINENO: checking for C compiler default output file name" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
+printf %s "checking whether the C compiler works... " >&6; }
-ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+ac_link_default=`printf "%s\n" "$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.*"
- Line 2192  do
+ Line 2956  do
  done
  rm -f $ac_rmfiles
-if { (ac_try="$ac_link_default"
+if { { ac_try="$ac_link_default"
  case "(($ac_try" in
    *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
    *) ac_try_echo=$ac_try;;
  esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+eval ac_try_echo="\"\$as_me:${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:$LINENO: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  test $ac_status = 0; }
+then :
    # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
  # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
  # in a Makefile.  We should not override ac_cv_exeext if it was cached,
- Line 2219  do
+ Line 2984  do
          # certainly right.
          break;;
      *.* )
-        if test "${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
- Line 2235  do
+ Line 3000  do
  done
  test "$ac_cv_exeext" = no && ac_cv_exeext=
-else
+else $as_nop
    ac_file=''
  fi
+if test -z "$ac_file"
-{ $as_echo "$as_me:$LINENO: result: $ac_file" >&5
+then :
-$as_echo "$ac_file" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-if test -z "$ac_file"; then
+printf "%s\n" "no" >&6; }
-  $as_echo "$as_me: failed program was:" >&5
+printf "%s\n" "$as_me: failed program was:" >&5
  sed 's/^/| /' conftest.$ac_ext >&5
-{ { $as_echo "$as_me:$LINENO: error: C compiler cannot create executables
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-See \`config.log' for more details." >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-$as_echo "$as_me: error: C compiler cannot create executables
+as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details." >&2;}
+See \`config.log' for more details" "$LINENO" 5; }
-   { (exit 77); exit 77; }; }
+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
- # Check that the compiler produces executables we can run.  If not, either
- # the compiler is broken, or we cross compile.
- { $as_echo "$as_me:$LINENO: checking whether the C compiler works" >&5
- $as_echo_n "checking whether the C compiler works... " >&6; }
- # FIXME: These cross compiler hacks should be removed for Autoconf 3.0
- # If not cross compiling, check that we can run a simple program.
- if test "$cross_compiling" != yes; then
-   if { ac_try='./$ac_file'
-   { (case "(($ac_try" in
-   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-   *) ac_try_echo=$ac_try;;
- esac
- eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
- $as_echo "$ac_try_echo") >&5
-   (eval "$ac_try") 2>&5
-   ac_status=$?
-   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
-     cross_compiling=no
-   else
-     if test "$cross_compiling" = maybe; then
-         cross_compiling=yes
-     else
-         { { $as_echo "$as_me:$LINENO: error: cannot run C compiled programs.
- If you meant to cross compile, use \`--host'.
- See \`config.log' for more details." >&5
- $as_echo "$as_me: error: cannot run C compiled programs.
- If you meant to cross compile, use \`--host'.
- See \`config.log' for more details." >&2;}
-    { (exit 1); exit 1; }; }
-     fi
-   fi
- fi
- { $as_echo "$as_me:$LINENO: result: yes" >&5
- $as_echo "yes" >&6; }
  rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
  ac_clean_files=$ac_clean_files_save
-# Check that the compiler produces executables we can run.  If not, either
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-# the compiler is broken, or we cross compile.
+printf %s "checking for suffix of executables... " >&6; }
-{ $as_echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+if { { ac_try="$ac_link"
-$as_echo_n "checking whether we are cross compiling... " >&6; }
-{ $as_echo "$as_me:$LINENO: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
-{ $as_echo "$as_me:$LINENO: checking for suffix of executables" >&5
-$as_echo_n "checking for suffix of executables... " >&6; }
-if { (ac_try="$ac_link"
  case "(($ac_try" in
    *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
    *) ac_try_echo=$ac_try;;
  esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+eval ac_try_echo="\"\$as_me:${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:$LINENO: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  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
- Line 2325  for ac_file in conftest.exe conftest conftest.*; do
+ Line 3053  for ac_file in conftest.exe conftest conftest.*; do
      * ) break;;
    esac
  done
-else
+else $as_nop
-  { { $as_echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-See \`config.log' for more details." >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-$as_echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&2;}
+See \`config.log' for more details" "$LINENO" 5; }
-   { (exit 1); exit 1; }; }
  fi
+ rm -f conftest conftest$ac_cv_exeext
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+ printf "%s\n" "$ac_cv_exeext" >&6; }
- rm -f conftest$ac_cv_exeext
- { $as_echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
- $as_echo "$ac_cv_exeext" >&6; }
  rm -f conftest.$ac_ext
  EXEEXT=$ac_cv_exeext
  ac_exeext=$EXEEXT
-{ $as_echo "$as_me:$LINENO: checking for suffix of object files" >&5
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-$as_echo_n "checking for suffix of object files... " >&6; }
+/* end confdefs.h.  */
-if test "${ac_cv_objext+set}" = set; then
+#include <stdio.h>
-  $as_echo_n "(cached) " >&6
+int
-else
+main (void)
-  cat >conftest.$ac_ext <<_ACEOF
+{
-/* confdefs.h.  */
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+  ;
+  return 0;
+}
  _ACEOF
-cat confdefs.h >>conftest.$ac_ext
+ac_clean_files="$ac_clean_files conftest.out"
-cat >>conftest.$ac_ext <<_ACEOF
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+printf %s "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+        cross_compiling=yes
+    else
+        { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+    fi
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+printf "%s\n" "$cross_compiling" >&6; }
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+printf %s "checking for suffix of object files... " >&6; }
+if test ${ac_cv_objext+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  /* end confdefs.h.  */
  int
-main ()
+main (void)
  {
    ;
- Line 2361  main ()
+ Line 3143  main ()
  }
  _ACEOF
  rm -f conftest.o conftest.obj
-if { (ac_try="$ac_compile"
+if { { ac_try="$ac_compile"
  case "(($ac_try" in
    *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
    *) ac_try_echo=$ac_try;;
  esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+eval ac_try_echo="\"\$as_me:${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:$LINENO: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  test $ac_status = 0; }
+then :
    for ac_file in conftest.o conftest.obj conftest.*; do
    test -f "$ac_file" || continue;
    case $ac_file in
- Line 2380  $as_echo "$ac_try_echo") >&5
+ Line 3163  $as_echo "$ac_try_echo") >&5
         break;;
    esac
  done
-else
+else $as_nop
-  $as_echo "$as_me: failed program was:" >&5
+  printf "%s\n" "$as_me: failed program was:" >&5
  sed 's/^/| /' conftest.$ac_ext >&5
-{ { $as_echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-See \`config.log' for more details." >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-$as_echo "$as_me: error: cannot compute suffix of object files: cannot compile
+as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&2;}
+See \`config.log' for more details" "$LINENO" 5; }
-   { (exit 1); exit 1; }; }
  fi
  rm -f conftest.$ac_cv_objext conftest.$ac_ext
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-$as_echo "$ac_cv_objext" >&6; }
+printf "%s\n" "$ac_cv_objext" >&6; }
  OBJEXT=$ac_cv_objext
  ac_objext=$OBJEXT
-{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
-$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+printf %s "checking whether the compiler supports GNU C... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
+if test ${ac_cv_c_compiler_gnu+y}
-  $as_echo_n "(cached) " >&6
+then :
   printf %s "(cached) " >&6
-  cat >conftest.$ac_ext <<_ACEOF
+else $as_nop
-/* confdefs.h.  */
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
  int
-main ()
+main (void)
  {
  #ifndef __GNUC__
         choke me
- Line 2420  main ()
+ Line 3198  main ()
    return 0;
  }
  _ACEOF
-rm -f conftest.$ac_objext
+if ac_fn_c_try_compile "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
    ac_compiler_gnu=yes
-else
+else $as_nop
-  $as_echo "$as_me: failed program was:" >&5
+  ac_compiler_gnu=no
-sed 's/^/| /' conftest.$ac_ext >&5
-        ac_compiler_gnu=no
  fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_cv_c_compiler_gnu=$ac_compiler_gnu
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+printf "%s\n" "$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:$LINENO: checking whether $CC accepts -g" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
+printf %s "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then
+if test ${ac_cv_prog_cc_g+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    ac_save_c_werror_flag=$ac_c_werror_flag
     ac_c_werror_flag=yes
     ac_cv_prog_cc_g=no
     CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
  int
-main ()
+main (void)
  {
    ;
    return 0;
  }
  _ACEOF
-rm -f conftest.$ac_objext
+if ac_fn_c_try_compile "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
    ac_cv_prog_cc_g=yes
-else
+else $as_nop
-  $as_echo "$as_me: failed program was:" >&5
+  CFLAGS=""
-sed 's/^/| /' conftest.$ac_ext >&5
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
         CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
  int
-main ()
+main (void)
  {
    ;
    return 0;
  }
  _ACEOF
-rm -f conftest.$ac_objext
+if ac_fn_c_try_compile "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-        ac_c_werror_flag=$ac_save_c_werror_flag
+else $as_nop
+  ac_c_werror_flag=$ac_save_c_werror_flag
           CFLAGS="-g"
-         cat >conftest.$ac_ext <<_ACEOF
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
  int
-main ()
+main (void)
  {
    ;
    return 0;
  }
  _ACEOF
-rm -f conftest.$ac_objext
+if ac_fn_c_try_compile "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
    ac_cv_prog_cc_g=yes
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
  fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     ac_c_werror_flag=$ac_save_c_werror_flag
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
+printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
-if test "$ac_test_CFLAGS" = set; then
+if test $ac_test_CFLAGS; then
    CFLAGS=$ac_save_CFLAGS
  elif test $ac_cv_prog_cc_g = yes; then
    if test "$GCC" = yes; then
- Line 2614  else
+ Line 3301  else
      CFLAGS=
    fi
  fi
-{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+ac_prog_cc_stdc=no
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test x$ac_prog_cc_stdc = xno
-if test "${ac_cv_prog_cc_c89+set}" = set; then
+then :
-  $as_echo_n "(cached) " >&6
+  { printf "%s\n" "$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; }
-  ac_cv_prog_cc_c89=no
+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 >conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* confdefs.h.  */
+/* end confdefs.h.  */
+$ac_c_conftest_c11_program
  _ACEOF
-cat confdefs.h >>conftest.$ac_ext
+for ac_arg in '' -std=gnu11
-cat >>conftest.$ac_ext <<_ACEOF
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+if test "x$ac_cv_prog_cc_c11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
+     CC="$CC $ac_cv_prog_cc_c11"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
+  ac_prog_cc_stdc=c11
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
+printf %s "checking for $CC option to enable C99 features... " >&6; }
+if test ${ac_cv_prog_cc_c99+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  /* end confdefs.h.  */
-#include <stdarg.h>
+$ac_c_conftest_c99_program
-#include <stdio.h>
+_ACEOF
-#include <sys/types.h>
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
-#include <sys/stat.h>
+do
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+  CC="$ac_save_CC $ac_arg"
-struct buf { int x; };
+  if ac_fn_c_try_compile "$LINENO"
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
+then :
-static char *e (p, i)
+  ac_cv_prog_cc_c99=$ac_arg
-     char **p;
+fi
-     int i;
+rm -f core conftest.err conftest.$ac_objext conftest.beam
-{
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
-  return p[i];
+done
-}
+rm -f conftest.$ac_ext
-static char *f (char * (*g) (char **, int), char **p, ...)
+CC=$ac_save_CC
-{
+fi
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+if test "x$ac_cv_prog_cc_c99" = xno
-   function prototypes and stuff, but not '\xHH' hex character constants.
+then :
-   These don't provoke an error unfortunately, instead are silently treated
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-   as 'x'.  The following induces an error, until -std is added to get
+printf "%s\n" "unsupported" >&6; }
-   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+else $as_nop
-   array size at least.  It's necessary to write '\x00'==0 to get something
+  if test "x$ac_cv_prog_cc_c99" = x
-   that's true only with -std.  */
+then :
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+else $as_nop
-   inside strings and character constants.  */
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
-#define FOO(x) 'x'
+printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+     CC="$CC $ac_cv_prog_cc_c99"
+fi
-int test (int i, double x);
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-struct s1 {int (*f) (int a);};
+  ac_prog_cc_stdc=c99
-struct s2 {int (*f) (double a);};
+fi
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+fi
-int argc;
+if test x$ac_prog_cc_stdc = xno
-char **argv;
+then :
-int
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
-main ()
+printf %s "checking for $CC option to enable C89 features... " >&6; }
-{
+if test ${ac_cv_prog_cc_c89+y}
-return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+then :
-  ;
+  printf %s "(cached) " >&6
-  return 0;
+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 \
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-        -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
  do
    CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
+  if ac_fn_c_try_compile "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
    ac_cv_prog_cc_c89=$ac_arg
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
  fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam
-rm -f core conftest.err conftest.$ac_objext
    test "x$ac_cv_prog_cc_c89" != "xno" && break
  done
  rm -f conftest.$ac_ext
  CC=$ac_save_CC
+ fi
+ if test "x$ac_cv_prog_cc_c89" = xno
+ then :
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+ printf "%s\n" "unsupported" >&6; }
+ else $as_nop
+   if test "x$ac_cv_prog_cc_c89" = x
+ then :
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+ printf "%s\n" "none needed" >&6; }
+ else $as_nop
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+ printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
+      CC="$CC $ac_cv_prog_cc_c89"
  fi
-# AC_CACHE_VAL
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-case "x$ac_cv_prog_cc_c89" in
+  ac_prog_cc_stdc=c89
-  x)
+fi
-    { $as_echo "$as_me:$LINENO: result: none needed" >&5
+fi
-$as_echo "none needed" >&6; } ;;
-  xno)
-    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
-  *)
-    CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
  ac_ext=c
  ac_cpp='$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
- 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
-   { { $as_echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
- $as_echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
-    { (exit 1); exit 1; }; }
- fi
- # These three variables are undocumented and unsupported,
- # and are intended to be withdrawn in a future Autoconf release.
- # They can cause serious problems if a builder's source tree is in a directory
- # whose full name contains unusual characters.
- ac_config_guess="$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 $ac_aux_dir/configure"  # Please don't use this var.
   # Find a good install program.  We prefer a C program (faster),
-# Find a good install program.  We prefer a C program (faster),
  # so one script is as good as another.  But avoid the broken or
  # incompatible versions:
  # SysV /etc/install, /usr/sbin/install
- Line 2781  ac_configure="$SHELL $ac_aux_dir/configure"  # Please
+ Line 3463  ac_configure="$SHELL $ac_aux_dir/configure"  # Please
  # 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:$LINENO: checking for a BSD-compatible install" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
-$as_echo_n "checking for a BSD-compatible install... " >&6; }
+printf %s "checking for a BSD-compatible install... " >&6; }
  if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then
+if test ${ac_cv_path_install+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  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=.
+  case $as_dir in #(((
-  # Account for people who put trailing slashes in PATH elements.
+    '') as_dir=./ ;;
-case $as_dir/ in
+    */) ;;
-  ./ | .// | /cC/* | \
+    *) as_dir=$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\\/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
    /usr/ucb/* ) ;;
    *)
      # OSF1 and SCO ODT 3.0 have their own names for install.
- Line 2804  case $as_dir/ in
+ Line 3491  case $as_dir/ in
      # by default.
      for ac_prog in ginstall scoinst install; do
        for ac_exec_ext in '' $ac_executable_extensions; do
-        if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$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
- Line 2818  case $as_dir/ in
+ Line 3505  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
- Line 2833  case $as_dir/ in
+ Line 3520  case $as_dir/ in
      ;;
  esac
-done
+  done
  IFS=$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
- Line 2849  fi
+ Line 3536  fi
      INSTALL=$ac_install_sh
    fi
  fi
-{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
-$as_echo "$INSTALL" >&6; }
+printf "%s\n" "$INSTALL" >&6; }
  # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
  # It thinks the first close brace ends the variable substitution.
- Line 2860  test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL
+ Line 3547  test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL
  test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+ if test -n "$ac_tool_prefix"; then
+   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+ set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+ printf %s "checking for $ac_word... " >&6; }
+ if test ${ac_cv_prog_RANLIB+y}
+ then :
+   printf %s "(cached) " >&6
+ else $as_nop
+   if test -n "$RANLIB"; then
+   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+ else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ for as_dir in $PATH
+ do
+   IFS=$as_save_IFS
+   case $as_dir in #(((
+     '') as_dir=./ ;;
+     */) ;;
+     *) as_dir=$as_dir/ ;;
+   esac
+     for ac_exec_ext in '' $ac_executable_extensions; do
+   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+     printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+     break 2
+   fi
+ done
+   done
+ IFS=$as_save_IFS
-# Make sure we can run config.sub.
+fi
-$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+fi
-  { { $as_echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
+RANLIB=$ac_cv_prog_RANLIB
-$as_echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
+if test -n "$RANLIB"; then
-   { (exit 1); exit 1; }; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+printf "%s\n" "$RANLIB" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
-{ $as_echo "$as_me:$LINENO: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
+fi
-if test "${ac_cv_build+set}" = set; then
+if test -z "$ac_cv_prog_RANLIB"; then
-  $as_echo_n "(cached) " >&6
+  ac_ct_RANLIB=$RANLIB
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_RANLIB+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_RANLIB"; then
+  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
  else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ for as_dir in $PATH
+ do
+   IFS=$as_save_IFS
+   case $as_dir in #(((
+     '') as_dir=./ ;;
+     */) ;;
+     *) as_dir=$as_dir/ ;;
+   esac
+     for ac_exec_ext in '' $ac_executable_extensions; do
+   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_RANLIB="ranlib"
+     printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+     break 2
+   fi
+ done
+   done
+ IFS=$as_save_IFS
+ fi
+ fi
+ ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+ if test -n "$ac_ct_RANLIB"; then
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+ printf "%s\n" "$ac_ct_RANLIB" >&6; }
+ else
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+ printf "%s\n" "no" >&6; }
+ fi
+   if test "x$ac_ct_RANLIB" = x; then
+     RANLIB=":"
+   else
+     case $cross_compiling:$ac_tool_warned in
+ yes:)
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+ printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ ac_tool_warned=yes ;;
+ esac
+     RANLIB=$ac_ct_RANLIB
+   fi
+ else
+   RANLIB="$ac_cv_prog_RANLIB"
+ fi
+   # 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 &&
-  { { $as_echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
-$as_echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
+ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
-   { (exit 1); exit 1; }; }
+  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` ||
-  { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
+printf "%s\n" "$ac_cv_build" >&6; }
  case $ac_cv_build in
  *-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
-$as_echo "$as_me: error: invalid value of canonical build" >&2;}
-   { (exit 1); exit 1; }; };;
  esac
  build=$ac_cv_build
  ac_save_IFS=$IFS; IFS='-'
- Line 2907  IFS=$ac_save_IFS
+ Line 3691  IFS=$ac_save_IFS
  case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
-{ $as_echo "$as_me:$LINENO: checking host system type" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
+printf %s "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then
+if test ${ac_cv_host+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  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" $host_alias` ||
+  ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
-    { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
+    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
  fi
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
+printf "%s\n" "$ac_cv_host" >&6; }
  case $ac_cv_host in
  *-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
-$as_echo "$as_me: error: invalid value of canonical host" >&2;}
-   { (exit 1); exit 1; }; };;
  esac
  host=$ac_cv_host
  ac_save_IFS=$IFS; IFS='-'
- Line 2944  IFS=$ac_save_IFS
+ Line 3725  IFS=$ac_save_IFS
  case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
-{ $as_echo "$as_me:$LINENO: checking target system type" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
-$as_echo_n "checking target system type... " >&6; }
+printf %s "checking target system type... " >&6; }
-if test "${ac_cv_target+set}" = set; then
+if test ${ac_cv_target+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test "x$target_alias" = x; then
    ac_cv_target=$ac_cv_host
  else
-  ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
+  ac_cv_target=`$SHELL "${ac_aux_dir}config.sub" $target_alias` ||
-    { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&5
+    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $target_alias failed" "$LINENO" 5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
  fi
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_target" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
-$as_echo "$ac_cv_target" >&6; }
+printf "%s\n" "$ac_cv_target" >&6; }
  case $ac_cv_target in
  *-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical target" >&5
+*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
-$as_echo "$as_me: error: invalid value of canonical target" >&2;}
-   { (exit 1); exit 1; }; };;
  esac
  target=$ac_cv_target
  ac_save_IFS=$IFS; IFS='-'
- Line 2991  test -n "$target_alias" &&
+ Line 3769  test -n "$target_alias" &&
  if test -n "$ac_tool_prefix"; then
    # Extract the first word of "${ac_tool_prefix}mkdep", so it can be a program name with args.
  set dummy ${ac_tool_prefix}mkdep; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_MKDEP+set}" = set; then
+if test ${ac_cv_prog_MKDEP+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$MKDEP"; then
    ac_cv_prog_MKDEP="$MKDEP" # Let the user override the test.
  else
- Line 3003  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 3782  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
+    *) 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_MKDEP="${ac_tool_prefix}mkdep"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  fi
  fi
  MKDEP=$ac_cv_prog_MKDEP
  if test -n "$MKDEP"; then
-  { $as_echo "$as_me:$LINENO: result: $MKDEP" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDEP" >&5
-$as_echo "$MKDEP" >&6; }
+printf "%s\n" "$MKDEP" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
- Line 3031  if test -z "$ac_cv_prog_MKDEP"; then
+ Line 3814  if test -z "$ac_cv_prog_MKDEP"; then
    ac_ct_MKDEP=$MKDEP
    # Extract the first word of "mkdep", so it can be a program name with args.
  set dummy mkdep; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
+printf %s "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_MKDEP+set}" = set; then
+if test ${ac_cv_prog_ac_ct_MKDEP+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    if test -n "$ac_ct_MKDEP"; then
    ac_cv_prog_ac_ct_MKDEP="$ac_ct_MKDEP" # Let the user override the test.
  else
- Line 3043  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+ Line 3827  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    '') as_dir=./ ;;
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    */) ;;
+    *) 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_MKDEP="mkdep"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
      break 2
    fi
  done
-done
+  done
  IFS=$as_save_IFS
  fi
  fi
  ac_ct_MKDEP=$ac_cv_prog_ac_ct_MKDEP
  if test -n "$ac_ct_MKDEP"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_MKDEP" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MKDEP" >&5
-$as_echo "$ac_ct_MKDEP" >&6; }
+printf "%s\n" "$ac_ct_MKDEP" >&6; }
  else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+printf "%s\n" "no" >&6; }
  fi
    if test "x$ac_ct_MKDEP" = x; then
-    MKDEP="no"
+    MKDEP="../mkdep"
    else
      case $cross_compiling:$ac_tool_warned in
  yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-whose name does not start with the host triplet.  If you think this
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
  ac_tool_warned=yes ;;
  esac
      MKDEP=$ac_ct_MKDEP
- Line 3086  fi
+ Line 3870  fi
-CFLAGS="-Wall -O2 -fPIC -I/usr/local/include ${CFLAGS}"
+if test x"${prefix}" = x"NONE"; then
-LDFLAGS="-L/usr/local/lib ${LDFLAGS}"
+        prefix="/usr/local"
+fi
+if test x"${exec_prefix}" = x"NONE"; then
+        exec_prefix=${prefix}
+fi
+ if test "${ac_cv_env_CFLAGS_set}" != "set"; then
+         CFLAGS="-Wall -O2 -I${includedir}"
+ else
+         CFLAGS="${ac_cv_env_CFLAGS_value}"
+ fi
+ if test "${ac_cv_env_LDFLAGS_set}" = "set"; then
+         LDFLAGS="${ac_cv_env_LDFLAGS_value}"
+ else
+         LDFLAGS="-L$(eval echo ${libdir})"
+ fi
  # Checks for libraries.
-# Checks for header files.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_lock in -lpthread" >&5
+printf %s "checking for pthread_mutex_lock in -lpthread... " >&6; }
+if test ${ac_cv_lib_pthread_pthread_mutex_lock+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthread  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
-# Checks for typedefs, structures, and compiler characteristics.
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char pthread_mutex_lock ();
+int
+main (void)
+{
+return pthread_mutex_lock ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_pthread_pthread_mutex_lock=yes
+else $as_nop
+  ac_cv_lib_pthread_pthread_mutex_lock=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_mutex_lock" >&5
+printf "%s\n" "$ac_cv_lib_pthread_pthread_mutex_lock" >&6; }
+if test "x$ac_cv_lib_pthread_pthread_mutex_lock" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIBPTHREAD 1" >>confdefs.h
-{ $as_echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
+  LIBS="-lpthread $LIBS"
-$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
-if test "${ac_cv_c_const+set}" = set; then
+fi
-  $as_echo_n "(cached) " >&6
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for str_Trim in -lelwix" >&5
-  cat >conftest.$ac_ext <<_ACEOF
+printf %s "checking for str_Trim in -lelwix... " >&6; }
-/* confdefs.h.  */
+if test ${ac_cv_lib_elwix_str_Trim+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lelwix  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char str_Trim ();
+int
+main (void)
+{
+return str_Trim ();
+  ;
+  return 0;
+}
  _ACEOF
-cat confdefs.h >>conftest.$ac_ext
+if ac_fn_c_try_link "$LINENO"
-cat >>conftest.$ac_ext <<_ACEOF
+then :
+  ac_cv_lib_elwix_str_Trim=yes
+else $as_nop
+  ac_cv_lib_elwix_str_Trim=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_elwix_str_Trim" >&5
+printf "%s\n" "$ac_cv_lib_elwix_str_Trim" >&6; }
+if test "x$ac_cv_lib_elwix_str_Trim" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIBELWIX 1" >>confdefs.h
+  LIBS="-lelwix $LIBS"
+fi
+# Checks for header files.
+ac_header= ac_cache=
+for ac_item in $ac_header_c_list
+do
+  if test $ac_cache; then
+    ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"
+    if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then
+      printf "%s\n" "#define $ac_item 1" >> confdefs.h
+    fi
+    ac_header= ac_cache=
+  elif test $ac_header; then
+    ac_cache=$ac_item
+  else
+    ac_header=$ac_item
+  fi
+done
+if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes
+then :
+printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
+fi
+ac_fn_c_check_header_compile "$LINENO" "stdint.h" "ac_cv_header_stdint_h" "$ac_includes_default"
+if test "x$ac_cv_header_stdint_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_STDINT_H 1" >>confdefs.h
+fi
+ac_fn_c_check_header_compile "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_stdlib_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_STDLIB_H 1" >>confdefs.h
+fi
+ac_fn_c_check_header_compile "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default"
+if test "x$ac_cv_header_string_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_STRING_H 1" >>confdefs.h
+fi
+ac_fn_c_check_header_compile "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
+if test "x$ac_cv_header_unistd_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_UNISTD_H 1" >>confdefs.h
+fi
+ac_fn_c_check_header_compile "$LINENO" "bsd/string.h" "ac_cv_header_bsd_string_h" "$ac_includes_default"
+if test "x$ac_cv_header_bsd_string_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_BSD_STRING_H 1" >>confdefs.h
+fi
+# Checks for typedefs, structures, and compiler characteristics.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
+printf %s "checking for an ANSI C-conforming const... " >&6; }
+if test ${ac_cv_c_const+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  /* end confdefs.h.  */
  int
-main ()
+main (void)
  {
-/* FIXME: Include the comments suggested by Paul. */
  #ifndef __cplusplus
-  /* Ultrix mips cc rejects this.  */
+  /* Ultrix mips cc rejects this sort of thing.  */
    typedef int charset[2];
-  const charset cs;
+  const charset cs = { 0, 0 };
    /* SunOS 4.1.1 cc rejects this.  */
    char const *const *pcpcc;
    char **ppc;
    /* NEC SVR4.0.2 mips cc rejects this.  */
    struct point {int x, y;};
    static struct point const zero = {0,0};
-  /* AIX XL C 1.02.0.0 rejects this.
+  /* IBM XL C 1.02.0.0 rejects this.
       It does not let you subtract one const X* pointer from another in
       an arm of an if-expression whose if-part is not a constant
       expression */
- Line 3131  main ()
+ Line 4075  main ()
    ++pcpcc;
    ppc = (char**) pcpcc;
    pcpcc = (char const *const *) ppc;
-  { /* SCO 3.2v4 cc rejects this.  */
+  { /* SCO 3.2v4 cc rejects this sort of thing.  */
-    char *t;
+    char tx;
+    char *t = &tx;
      char const *s = 0 ? (char *) 0 : (char const *) 0;
      *t++ = 0;
- Line 3148  main ()
+ Line 4093  main ()
      iptr p = 0;
      ++p;
    }
-  { /* AIX XL C 1.02.0.0 rejects this saying
+  { /* IBM XL C 1.02.0.0 rejects this sort of thing, saying
         "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
-    struct s { int j; const int *ap[3]; };
+    struct s { int j; const int *ap[3]; } bx;
-    struct s *b; b->j = 5;
+    struct s *b = &bx; b->j = 5;
    }
    { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
      const int foo = 10;
- Line 3164  main ()
+ Line 4109  main ()
    return 0;
  }
  _ACEOF
-rm -f conftest.$ac_objext
+if ac_fn_c_try_compile "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
    ac_cv_c_const=yes
-else
+else $as_nop
-  $as_echo "$as_me: failed program was:" >&5
+  ac_cv_c_const=no
-sed 's/^/| /' conftest.$ac_ext >&5
-        ac_cv_c_const=no
  fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
-$as_echo "$ac_cv_c_const" >&6; }
+printf "%s\n" "$ac_cv_c_const" >&6; }
  if test $ac_cv_c_const = no; then
-cat >>confdefs.h <<\_ACEOF
+printf "%s\n" "#define const /**/" >>confdefs.h
 #define const /**/
-_ACEOF
  fi
-{ $as_echo "$as_me:$LINENO: checking for inline" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
-$as_echo_n "checking for inline... " >&6; }
+printf %s "checking for inline... " >&6; }
-if test "${ac_cv_c_inline+set}" = set; then
+if test ${ac_cv_c_inline+y}
-  $as_echo_n "(cached) " >&6
+then :
-else
+  printf %s "(cached) " >&6
+else $as_nop
    ac_cv_c_inline=no
  for ac_kw in inline __inline__ __inline; do
-  cat >conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
  #ifndef __cplusplus
  typedef int foo_t;
-static $ac_kw foo_t static_foo () {return 0; }
+static $ac_kw foo_t static_foo (void) {return 0; }
-$ac_kw foo_t foo () {return 0; }
+$ac_kw foo_t foo (void) {return 0; }
  #endif
  _ACEOF
-rm -f conftest.$ac_objext
+if ac_fn_c_try_compile "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
    ac_cv_c_inline=$ac_kw
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
  fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    test "$ac_cv_c_inline" != no && break
  done
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_inline" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
-$as_echo "$ac_cv_c_inline" >&6; }
+printf "%s\n" "$ac_cv_c_inline" >&6; }
  case $ac_cv_c_inline in
    inline | yes) ;;
    *)
- Line 3274  esac
+ Line 4171  esac
  # Checks for library functions.
-ac_ext=c
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU libc compatible malloc" >&5
-ac_cpp='$CPP $CPPFLAGS'
+printf %s "checking for GNU libc compatible malloc... " >&6; }
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+if test ${ac_cv_func_malloc_0_nonnull+y}
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+then :
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
+  printf %s "(cached) " >&6
-{ $as_echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+else $as_nop
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
+  if test "$cross_compiling" = yes
-# On Suns, sometimes $CPP names a directory.
+then :
-if test -n "$CPP" && test -d "$CPP"; then
+  case "$host_os" in # ((
-  CPP=
+                  # Guess yes on platforms where we know the result.
-fi
+                  *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \
-if test -z "$CPP"; then
+                  | hpux* | solaris* | cygwin* | mingw* | msys* )
-  if test "${ac_cv_prog_CPP+set}" = set; then
+                    ac_cv_func_malloc_0_nonnull=yes ;;
-  $as_echo_n "(cached) " >&6
+                  # If we don't know, assume the worst.
                   *) ac_cv_func_malloc_0_nonnull=no ;;
-      # Double quotes because CPP needs to be expanded
+                esac
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+else $as_nop
-    do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-      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 >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
- #ifdef __STDC__
- # include <limits.h>
- #else
- # include <assert.h>
- #endif
-                      Syntax error
- _ACEOF
- if { (ac_try="$ac_cpp conftest.$ac_ext"
- case "(($ac_try" in
-   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-   *) ac_try_echo=$ac_try;;
- esac
- eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
- $as_echo "$ac_try_echo") >&5
-   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } >/dev/null && {
-          test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-          test ! -s conftest.err
-        }; then
-   :
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
-   # Broken: fails on valid input.
- continue
- fi
- rm -f conftest.err conftest.$ac_ext
-   # OK, works on sane cases.  Now check whether nonexistent headers
-   # can be detected and how.
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- #include <ac_nonexistent.h>
- _ACEOF
- if { (ac_try="$ac_cpp conftest.$ac_ext"
- case "(($ac_try" in
-   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-   *) ac_try_echo=$ac_try;;
- esac
- eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
- $as_echo "$ac_try_echo") >&5
-   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } >/dev/null && {
-          test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-          test ! -s conftest.err
-        }; then
-   # Broken: success on invalid input.
- continue
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
-   # Passes both tests.
- ac_preproc_ok=:
- break
- fi
- rm -f conftest.err conftest.$ac_ext
- done
- # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
- rm -f 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:$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 >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- #ifdef __STDC__
- # include <limits.h>
- #else
- # include <assert.h>
- #endif
-                      Syntax error
- _ACEOF
- if { (ac_try="$ac_cpp conftest.$ac_ext"
- case "(($ac_try" in
-   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-   *) ac_try_echo=$ac_try;;
- esac
- eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
- $as_echo "$ac_try_echo") >&5
-   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } >/dev/null && {
-          test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-          test ! -s conftest.err
-        }; then
-   :
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
-   # Broken: fails on valid input.
- continue
- fi
- rm -f conftest.err conftest.$ac_ext
-   # OK, works on sane cases.  Now check whether nonexistent headers
-   # can be detected and how.
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- #include <ac_nonexistent.h>
- _ACEOF
- if { (ac_try="$ac_cpp conftest.$ac_ext"
- case "(($ac_try" in
-   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-   *) ac_try_echo=$ac_try;;
- esac
- eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
- $as_echo "$ac_try_echo") >&5
-   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } >/dev/null && {
-          test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-          test ! -s conftest.err
-        }; then
-   # Broken: success on invalid input.
- continue
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
-   # Passes both tests.
- ac_preproc_ok=:
- break
- fi
- rm -f conftest.err conftest.$ac_ext
- done
- # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
- rm -f conftest.err conftest.$ac_ext
- if $ac_preproc_ok; then
-   :
- else
-   { { $as_echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
- See \`config.log' for more details." >&5
- $as_echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
- See \`config.log' for more details." >&2;}
-    { (exit 1); exit 1; }; }
- fi
- ac_ext=c
- ac_cpp='$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:$LINENO: checking for grep that handles long lines and -e" >&5
- $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
- if test "${ac_cv_path_GREP+set}" = set; then
-   $as_echo_n "(cached) " >&6
- else
-   if test -z "$GREP"; then
-   ac_path_GREP_found=false
-   # Loop through the user's path and test for each of PROGNAME-LIST
-   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
- for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
- do
-   IFS=$as_save_IFS
-   test -z "$as_dir" && as_dir=.
-   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"
-       { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
- # Check for GNU ac_path_GREP and select it if it is found.
-   # Check for GNU $ac_path_GREP
- case `"$ac_path_GREP" --version 2>&1` in
- *GNU*)
-   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
- *)
-   ac_count=0
-   $as_echo_n 0123456789 >"conftest.in"
-   while :
-   do
-     cat "conftest.in" "conftest.in" >"conftest.tmp"
-     mv "conftest.tmp" "conftest.in"
-     cp "conftest.in" "conftest.nl"
-     $as_echo 'GREP' >> "conftest.nl"
-     "$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
-     ac_count=`expr $ac_count + 1`
-     if test $ac_count -gt ${ac_path_GREP_max-0}; then
-       # Best one so far, save it but keep looking for a better one
-       ac_cv_path_GREP="$ac_path_GREP"
-       ac_path_GREP_max=$ac_count
-     fi
-     # 10*(2^10) chars as input seems more than enough
-     test $ac_count -gt 10 && break
-   done
-   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
- esac
-       $ac_path_GREP_found && break 3
-     done
-   done
- done
- IFS=$as_save_IFS
-   if test -z "$ac_cv_path_GREP"; then
-     { { $as_echo "$as_me:$LINENO: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
- $as_echo "$as_me: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-    { (exit 1); exit 1; }; }
-   fi
- else
-   ac_cv_path_GREP=$GREP
- fi
- fi
- { $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
- $as_echo "$ac_cv_path_GREP" >&6; }
-  GREP="$ac_cv_path_GREP"
- { $as_echo "$as_me:$LINENO: checking for egrep" >&5
- $as_echo_n "checking for egrep... " >&6; }
- if test "${ac_cv_path_EGREP+set}" = set; then
-   $as_echo_n "(cached) " >&6
- else
-   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
-    then ac_cv_path_EGREP="$GREP -E"
-    else
-      if test -z "$EGREP"; then
-   ac_path_EGREP_found=false
-   # Loop through the user's path and test for each of PROGNAME-LIST
-   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
- for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
- do
-   IFS=$as_save_IFS
-   test -z "$as_dir" && as_dir=.
-   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"
-       { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
- # Check for GNU ac_path_EGREP and select it if it is found.
-   # Check for GNU $ac_path_EGREP
- case `"$ac_path_EGREP" --version 2>&1` in
- *GNU*)
-   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
- *)
-   ac_count=0
-   $as_echo_n 0123456789 >"conftest.in"
-   while :
-   do
-     cat "conftest.in" "conftest.in" >"conftest.tmp"
-     mv "conftest.tmp" "conftest.in"
-     cp "conftest.in" "conftest.nl"
-     $as_echo 'EGREP' >> "conftest.nl"
-     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
-     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-     ac_count=`expr $ac_count + 1`
-     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
-       # Best one so far, save it but keep looking for a better one
-       ac_cv_path_EGREP="$ac_path_EGREP"
-       ac_path_EGREP_max=$ac_count
-     fi
-     # 10*(2^10) chars as input seems more than enough
-     test $ac_count -gt 10 && break
-   done
-   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
- esac
-       $ac_path_EGREP_found && break 3
-     done
-   done
- done
- IFS=$as_save_IFS
-   if test -z "$ac_cv_path_EGREP"; then
-     { { $as_echo "$as_me:$LINENO: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
- $as_echo "$as_me: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-    { (exit 1); exit 1; }; }
-   fi
- else
-   ac_cv_path_EGREP=$EGREP
- fi
-    fi
- fi
- { $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
- $as_echo "$ac_cv_path_EGREP" >&6; }
-  EGREP="$ac_cv_path_EGREP"
- { $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
- $as_echo_n "checking for ANSI C header files... " >&6; }
- if test "${ac_cv_header_stdc+set}" = set; then
-   $as_echo_n "(cached) " >&6
- else
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
  #include <stdlib.h>
- #include <stdarg.h>
- #include <string.h>
- #include <float.h>
  int
-main ()
+main (void)
  {
+void *p = malloc (0);
+                   int result = !p;
+                   free (p);
+                   return result;
    ;
    return 0;
  }
  _ACEOF
-rm -f conftest.$ac_objext
+if ac_fn_c_try_run "$LINENO"
-if { (ac_try="$ac_compile"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_stdc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-        ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* 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 $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* 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 >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-                   (('a' <= (c) && (c) <= 'i') \
-                     || ('j' <= (c) && (c) <= 'r') \
-                     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-        || toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-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
-( exit $ac_status )
-ac_cv_header_stdc=no
-fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-fi
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
-fi
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-                  inttypes.h stdint.h unistd.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  eval "$as_ac_Header=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-        eval "$as_ac_Header=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-                 $as_echo "$as_val"'`
-               { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if test `eval 'as_val=${'$as_ac_Header'}
-                 $as_echo "$as_val"'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-fi
-done
-for ac_header in stdlib.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-                 $as_echo "$as_val"'`
-               { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-        ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
-$as_echo_n "checking $ac_header presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$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_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    ( cat <<\_ASBOX
-## ----------------------------------- ##
-## Report this to misho@openbsd-bg.org ##
-## ----------------------------------- ##
-_ASBOX
-     ) | sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-                 $as_echo "$as_val"'`
-               { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
-if test `eval 'as_val=${'$as_ac_Header'}
-                 $as_echo "$as_val"'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-fi
-done
-{ $as_echo "$as_me:$LINENO: checking for GNU libc compatible malloc" >&5
-$as_echo_n "checking for GNU libc compatible malloc... " >&6; }
-if test "${ac_cv_func_malloc_0_nonnull+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test "$cross_compiling" = yes; then
-  ac_cv_func_malloc_0_nonnull=no
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#if defined STDC_HEADERS || defined HAVE_STDLIB_H
-# include <stdlib.h>
-#else
-char *malloc ();
-#endif
-int
-main ()
-{
-return ! malloc (0);
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
    ac_cv_func_malloc_0_nonnull=yes
-else
+else $as_nop
-  $as_echo "$as_me: program exited with status $ac_status" >&5
+  ac_cv_func_malloc_0_nonnull=no
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-( exit $ac_status )
-ac_cv_func_malloc_0_nonnull=no
  fi
-rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
  fi
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_malloc_0_nonnull" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_malloc_0_nonnull" >&5
-$as_echo "$ac_cv_func_malloc_0_nonnull" >&6; }
+printf "%s\n" "$ac_cv_func_malloc_0_nonnull" >&6; }
-if test $ac_cv_func_malloc_0_nonnull = yes; then
+if test $ac_cv_func_malloc_0_nonnull = yes
+then :
-cat >>confdefs.h <<\_ACEOF
+printf "%s\n" "#define HAVE_MALLOC 1" >>confdefs.h
 #define HAVE_MALLOC 1
-_ACEOF
-else
+else $as_nop
-  cat >>confdefs.h <<\_ACEOF
+  printf "%s\n" "#define HAVE_MALLOC 0" >>confdefs.h
 #define HAVE_MALLOC 0
-_ACEOF
     case " $LIBOBJS " in
    *" malloc.$ac_objext "* ) ;;
- Line 4128  _ACEOF
+ Line 4231  _ACEOF
  esac
-cat >>confdefs.h <<\_ACEOF
+printf "%s\n" "#define malloc rpl_malloc" >>confdefs.h
 #define malloc rpl_malloc
-_ACEOF
  fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU libc compatible realloc" >&5
+printf %s "checking for GNU libc compatible realloc... " >&6; }
-for ac_header in stdlib.h
+if test ${ac_cv_func_realloc_0_nonnull+y}
-do
+then :
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+  printf %s "(cached) " >&6
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+else $as_nop
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
+  if test "$cross_compiling" = yes
-$as_echo_n "checking for $ac_header... " >&6; }
+then :
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  case "$host_os" in # ((
-  $as_echo_n "(cached) " >&6
+                  # Guess yes on platforms where we know the result.
-fi
+                  *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \
-ac_res=`eval 'as_val=${'$as_ac_Header'}
+                  | hpux* | solaris* | cygwin* | mingw* | msys* )
-                 $as_echo "$as_val"'`
+                    ac_cv_func_realloc_0_nonnull=yes ;;
-               { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+                  # If we don't know, assume the worst.
-$as_echo "$ac_res" >&6; }
+                  *) ac_cv_func_realloc_0_nonnull=no ;;
-else
+                esac
-  # Is the header compilable?
+else $as_nop
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
-$ac_includes_default
+#include <stdlib.h>
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-         ac_header_compiler=no
- fi
- rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
- $as_echo "$ac_header_compiler" >&6; }
- # Is the header present?
- { $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
- $as_echo_n "checking $ac_header presence... " >&6; }
- cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- #include <$ac_header>
- _ACEOF
- if { (ac_try="$ac_cpp conftest.$ac_ext"
- case "(($ac_try" in
-   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-   *) ac_try_echo=$ac_try;;
- esac
- eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
- $as_echo "$ac_try_echo") >&5
-   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } >/dev/null && {
-          test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-          test ! -s conftest.err
-        }; then
-   ac_header_preproc=yes
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
-   ac_header_preproc=no
- fi
- rm -f conftest.err conftest.$ac_ext
- { $as_echo "$as_me:$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_c_preproc_warn_flag in
-   yes:no: )
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
- $as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
- $as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-     ac_header_preproc=yes
-     ;;
-   no:yes:* )
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
- $as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
- $as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
- $as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
- $as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
- $as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-     { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
- $as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-     ( cat <<\_ASBOX
- ## ----------------------------------- ##
- ## Report this to misho@openbsd-bg.org ##
- ## ----------------------------------- ##
- _ASBOX
-      ) | sed "s/^/$as_me: WARNING:     /" >&2
-     ;;
- esac
- { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
- $as_echo_n "checking for $ac_header... " >&6; }
- if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-   $as_echo_n "(cached) " >&6
- else
-   eval "$as_ac_Header=\$ac_header_preproc"
- fi
- ac_res=`eval 'as_val=${'$as_ac_Header'}
-                  $as_echo "$as_val"'`
-                { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
- $as_echo "$ac_res" >&6; }
- fi
- if test `eval 'as_val=${'$as_ac_Header'}
-                  $as_echo "$as_val"'` = yes; then
-   cat >>confdefs.h <<_ACEOF
- #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
- _ACEOF
- fi
- done
- { $as_echo "$as_me:$LINENO: checking for GNU libc compatible realloc" >&5
- $as_echo_n "checking for GNU libc compatible realloc... " >&6; }
- if test "${ac_cv_func_realloc_0_nonnull+set}" = set; then
-   $as_echo_n "(cached) " >&6
- else
-   if test "$cross_compiling" = yes; then
-   ac_cv_func_realloc_0_nonnull=no
- else
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- #if defined STDC_HEADERS || defined HAVE_STDLIB_H
- # include <stdlib.h>
- #else
- char *realloc ();
- #endif
  int
-main ()
+main (void)
  {
-return ! realloc (0, 0);
+void *p = realloc (0, 0);
+                   int result = !p;
+                   free (p);
+                   return result;
    ;
    return 0;
  }
  _ACEOF
-rm -f conftest$ac_exeext
+if ac_fn_c_try_run "$LINENO"
-if { (ac_try="$ac_link"
+then :
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
    ac_cv_func_realloc_0_nonnull=yes
-else
+else $as_nop
-  $as_echo "$as_me: program exited with status $ac_status" >&5
+  ac_cv_func_realloc_0_nonnull=no
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-( exit $ac_status )
-ac_cv_func_realloc_0_nonnull=no
  fi
-rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
  fi
  fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_realloc_0_nonnull" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_realloc_0_nonnull" >&5
-$as_echo "$ac_cv_func_realloc_0_nonnull" >&6; }
+printf "%s\n" "$ac_cv_func_realloc_0_nonnull" >&6; }
-if test $ac_cv_func_realloc_0_nonnull = yes; then
+if test $ac_cv_func_realloc_0_nonnull = yes
+then :
-cat >>confdefs.h <<\_ACEOF
+printf "%s\n" "#define HAVE_REALLOC 1" >>confdefs.h
 #define HAVE_REALLOC 1
-_ACEOF
-else
+else $as_nop
-  cat >>confdefs.h <<\_ACEOF
+  printf "%s\n" "#define HAVE_REALLOC 0" >>confdefs.h
 #define HAVE_REALLOC 0
-_ACEOF
     case " $LIBOBJS " in
    *" realloc.$ac_objext "* ) ;;
- Line 4371  _ACEOF
+ Line 4296  _ACEOF
  esac
-cat >>confdefs.h <<\_ACEOF
+printf "%s\n" "#define realloc rpl_realloc" >>confdefs.h
 #define realloc rpl_realloc
-_ACEOF
  fi
+ ac_fn_c_check_func "$LINENO" "memmove" "ac_cv_func_memmove"
+ if test "x$ac_cv_func_memmove" = xyes
+ then :
+   printf "%s\n" "#define HAVE_MEMMOVE 1" >>confdefs.h
+ fi
+ ac_fn_c_check_func "$LINENO" "memset" "ac_cv_func_memset"
+ if test "x$ac_cv_func_memset" = xyes
+ then :
+   printf "%s\n" "#define HAVE_MEMSET 1" >>confdefs.h
- for ac_func in bzero memmove memset strchr strspn
- do
- as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
- { $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
- $as_echo_n "checking for $ac_func... " >&6; }
- if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-   $as_echo_n "(cached) " >&6
- else
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- /* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
- #define $ac_func innocuous_$ac_func
- /* System header to define __stub macros and hopefully few prototypes,
-     which can conflict with char $ac_func (); 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
- #undef $ac_func
- /* 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 $ac_func ();
- /* The GNU C library defines this for functions which it implements
-     to always fail with ENOSYS.  Some functions are actually named
-     something starting with __ and the normal name is an alias.  */
- #if defined __stub_$ac_func || defined __stub___$ac_func
- choke me
- #endif
- int
- main ()
- {
- return $ac_func ();
-   ;
-   return 0;
- }
- _ACEOF
- rm -f conftest.$ac_objext 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:$LINENO: $ac_try_echo\""
- $as_echo "$ac_try_echo") >&5
-   (eval "$ac_link") 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } && {
-          test -z "$ac_c_werror_flag" ||
-          test ! -s conftest.err
-        } && test -s conftest$ac_exeext && {
-          test "$cross_compiling" = yes ||
-          $as_test_x conftest$ac_exeext
-        }; then
-   eval "$as_ac_var=yes"
- else
-   $as_echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
-         eval "$as_ac_var=no"
  fi
+ ac_fn_c_check_func "$LINENO" "strchr" "ac_cv_func_strchr"
+ if test "x$ac_cv_func_strchr" = xyes
+ then :
+   printf "%s\n" "#define HAVE_STRCHR 1" >>confdefs.h
- rm -rf conftest.dSYM
- rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-       conftest$ac_exeext conftest.$ac_ext
  fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
+ac_fn_c_check_func "$LINENO" "strspn" "ac_cv_func_strspn"
-                 $as_echo "$as_val"'`
+if test "x$ac_cv_func_strspn" = xyes
-               { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+then :
-$as_echo "$ac_res" >&6; }
+  printf "%s\n" "#define HAVE_STRSPN 1" >>confdefs.h
-if test `eval 'as_val=${'$as_ac_var'}
-                 $as_echo "$as_val"'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
  fi
- done
  DEBUG=no
-{ $as_echo "$as_me:$LINENO: checking Debug Build" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking Debug Build" >&5
-$as_echo_n "checking Debug Build... " >&6; }
+printf %s "checking Debug Build... " >&6; }
  # Check whether --enable-debug was given.
-if test "${enable_debug+set}" = set; then
+if test ${enable_debug+y}
+then :
    enableval=$enable_debug;  DEBUG=$enableval
                  case "$enableval" in
                          yes)
-cat >>confdefs.h <<\_ACEOF
+printf "%s\n" "#define __DEBUG /**/" >>confdefs.h
 #define __DEBUG /**/
-_ACEOF
                                  CFLAGS="-g ${CFLAGS}"
                                  ;;
                          *)
+ printf "%s\n" "#define NDEBUG /**/" >>confdefs.h
                                  ;;
                  esac
+ else $as_nop
+ printf "%s\n" "#define NDEBUG /**/" >>confdefs.h
  fi
-{ $as_echo "$as_me:$LINENO: result: $DEBUG" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DEBUG" >&5
-$as_echo "$DEBUG" >&6; }
+printf "%s\n" "$DEBUG" >&6; }
-ac_config_files="$ac_config_files Makefile inc/Makefile lib/Makefile src/Makefile"
+DEBIAN_ARCH=$target_cpu
+if  test "x$target_cpu" = "xarm6l" -o "x$target_cpu" = "xarm7l"
+then :
+  DEBIAN_ARCH="armhf"
+fi
+if  test "x$target_cpu" = "xaarch64"
+then :
+  DEBIAN_ARCH="arm64"
+fi
+if  test "x$target_cpu" = "xi686"
+then :
+  DEBIAN_ARCH="i386"
+fi
+if  test "x$target_cpu" = "xx86_64"
+then :
+  DEBIAN_ARCH="amd64"
+fi
+ ac_config_files="$ac_config_files Makefile inc/Makefile lib/Makefile debian/Makefile debian/control src/Makefile"
  cat >confcache <<\_ACEOF
  # This file is a shell script that caches the results of configure
  # tests run on this system so they can be shared between configure
- Line 4536  _ACEOF
+ Line 4404  _ACEOF
      case $ac_val in #(
      *${as_nl}*)
        case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
        esac
        case $ac_var in #(
        _ | IFS | as_nl) ;; #(
        BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) $as_unset $ac_var ;;
+      *) { eval $ac_var=; unset $ac_var;} ;;
        esac ;;
      esac
    done
- Line 4550  $as_echo "$as_me: WARNING: Cache variable $ac_var cont
+ Line 4418  $as_echo "$as_me: WARNING: Cache variable $ac_var cont
    (set) 2>&1 |
      case $as_nl`(ac_space=' '; set) 2>&1` in #(
      *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes (double-quote
+      # `set' does not quote correctly, so add quotes: double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \).
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
        sed -n \
          "s/'/'\\\\''/g;
            s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
- Line 4567  $as_echo "$as_me: WARNING: Cache variable $ac_var cont
+ Line 4435  $as_echo "$as_me: WARNING: Cache variable $ac_var cont
       /^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
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
-      { $as_echo "$as_me:$LINENO: updating cache $cache_file" >&5
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-$as_echo "$as_me: updating cache $cache_file" >&6;}
+printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+        cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+          mv -f confcache "$cache_file"$$ &&
+          mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+          mv -f confcache "$cache_file" ;;
+        esac
+      fi
+    fi
    else
-    { $as_echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+    { printf "%s\n" "$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: not updating unwritable cache $cache_file" >&6;}
    fi
  fi
  rm -f confcache
- Line 4592  DEFS=-DHAVE_CONFIG_H
+ Line 4471  DEFS=-DHAVE_CONFIG_H
  ac_libobjs=
  ac_ltlibobjs=
+ U=
  for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
    # 1. Remove the extension, and $U if already installed.
    ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`$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.
-  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
  done
  LIBOBJS=$ac_libobjs
- Line 4607  LTLIBOBJS=$ac_ltlibobjs
+ Line 4487  LTLIBOBJS=$ac_ltlibobjs
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
  ac_write_fail=0
  ac_clean_files_save=$ac_clean_files
  ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
-cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
  #! $SHELL
  # Generated by $as_me.
  # Run this file to recreate the current configuration.
- Line 4623  cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ Line 4504  cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
  debug=false
  ac_cs_recheck=false
  ac_cs_silent=false
  SHELL=\${CONFIG_SHELL-$SHELL}
-_ACEOF
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
- cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
- ## --------------------- ##
- ## M4sh Initialization.  ##
- ## --------------------- ##
  # 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 $as_nop
-  case `(set -o) 2>/dev/null` in
+  case `(set -o) 2>/dev/null` in #(
-  *posix*) set -o posix ;;
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
  esac
  fi
+ # Reset variables that may have inherited troublesome values from
+ # the environment.
-# PATH needs CR
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
-# Avoid depending upon Character Ranges.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+# side effect of setting IFS to empty, thus disabling word splitting.)
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+# Quoting is to prevent editors from complaining about space-tab.
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
  as_nl='
  '
  export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
+IFS=" ""        $as_nl"
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (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 $as_echo_body as_echo'
-fi
+ PS1='$ '
+ 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=$PATH; sh -c :) >/dev/null 2>&1 ||
- Line 4699  if test "${PATH_SEPARATOR+set}" != set; then
+ Line 4581  if test "${PATH_SEPARATOR+set}" != set; then
    }
  fi
- # Support unset when possible.
- if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-   as_unset=unset
- else
-   as_unset=false
- 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.
-case $0 in
+as_myself=
+case $0 in #((
    *[\\/]* ) as_myself=$0 ;;
    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  for as_dir in $PATH
  do
    IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+    '') as_dir=./ ;;
-done
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  done
  IFS=$as_save_IFS
       ;;
- Line 4734  if test "x$as_myself" = x; then
+ Line 4607  if test "x$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" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  exit 1
  fi
- # Work around bugs in pre-3.0 UWIN ksh.
- for as_var in ENV MAIL MAILPATH
- do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
- done
- PS1='$ '
- PS2='> '
- PS4='+ '
- # NLS nuisances.
- LC_ALL=C
- export LC_ALL
- LANGUAGE=C
- export LANGUAGE
-# Required to use basename.
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  printf "%s\n" "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else $as_nop
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else $as_nop
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
  if expr a : '\(a\)' >/dev/null 2>&1 &&
     test "X`expr 00001 : '.*\(...\)'`" = X001; then
    as_expr=expr
- Line 4766  else
+ Line 4709  else
    as_basename=false
  fi
+ if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+   as_dirname=dirname
+ else
+   as_dirname=false
+ fi
- # Name of the executable.
  as_me=`$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
- Line 4787  $as_echo X/"$0" |
+ Line 4734  $as_echo X/"$0" |
            }
            s/.*/./; q'`
-# CDPATH.
+# Avoid depending upon Character Ranges.
-$as_unset CDPATH
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+# Determine whether it's possible to make 'echo' print without a newline.
-  as_lineno_1=$LINENO
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-  as_lineno_2=$LINENO
+# for compatibility with existing Makefiles.
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
     p
     /[$]LINENO/=
   ' <$as_myself |
     sed '
       s/[$]LINENO.*/&-/
       t lineno
       b
       :lineno
       N
       :loop
       s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
       t loop
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
    { (exit 1); exit 1; }; }
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
  ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
+case `echo -n x` in #(((((
  -n*)
-  case `echo 'x\c'` in
+  case `echo 'xy\c'` in
    *c*) ECHO_T=' ';;     # ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T=' ';;
    esac;;
  *)
    ECHO_N='-n';;
  esac
- if expr a : '\(a\)' >/dev/null 2>&1 &&
-    test "X`expr 00001 : '.*\(...\)'`" = X001; then
-   as_expr=expr
- else
-   as_expr=false
- fi
+ # 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
- Line 4871  if (echo >conf$$.file) 2>/dev/null; then
+ Line 4777  if (echo >conf$$.file) 2>/dev/null; then
      # ... but there are two gotchas:
      # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
      # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
      ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
    elif ln conf$$.file conf$$ 2>/dev/null; then
      as_ln_s=ln
    else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
    fi
  else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
  fi
  rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
  rmdir conf$$.dir 2>/dev/null
+ # as_fn_mkdir_p
+ # -------------
+ # Create "$as_dir" as a directory, including parents if necessary.
+ as_fn_mkdir_p ()
+ {
+   case $as_dir in #(
+   -*) as_dir=./$as_dir;;
+   esac
+   test -d "$as_dir" || eval $as_mkdir_p || {
+     as_dirs=
+     while :; do
+       case $as_dir in #(
+       *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+       *) as_qdir=$as_dir;;
+       esac
+       as_dirs="'$as_qdir' $as_dirs"
+       as_dir=`$as_dirname -- "$as_dir" ||
+ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+          X"$as_dir" : 'X\(//\)[^/]' \| \
+          X"$as_dir" : 'X\(//\)$' \| \
+          X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+ printf "%s\n" X"$as_dir" |
+     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+             s//\1/
+             q
+           }
+           /^X\(\/\/\)[^/].*/{
+             s//\1/
+             q
+           }
+           /^X\(\/\/\)$/{
+             s//\1/
+             q
+           }
+           /^X\(\/\).*/{
+             s//\1/
+             q
+           }
+           s/.*/./; q'`
+       test -d "$as_dir" && break
+     done
+     test -z "$as_dirs" || eval "mkdir $as_dirs"
+   } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+ } # as_fn_mkdir_p
  if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
  else
    test -d ./-p && rmdir ./-p
    as_mkdir_p=false
  fi
- if test -x / >/dev/null 2>&1; then
-   as_test_x='test -x'
- else
-   if ls -dL / >/dev/null 2>&1; then
-     as_ls_L_option=L
-   else
-     as_ls_L_option=
-   fi
-   as_test_x='
-     eval sh -c '\''
-       if test -d "$1"; then
-         test -d "$1/.";
-       else
-         case $1 in
-         -*)set "./$1";;
-         esac;
-         case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
-         ???[sx]*):;;*)false;;esac;fi
-     '\'' sh
-   '
- fi
- as_executable_p=$as_test_x
+ # as_fn_executable_p FILE
+ # -----------------------
+ # Test if FILE is an executable regular file.
+ as_fn_executable_p ()
+ {
+   test -f "$1" && test -x "$1"
+ } # as_fn_executable_p
+ as_test_x='test -x'
+ as_executable_p=as_fn_executable_p
  # Sed expression to map a string onto a valid CPP name.
  as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
- Line 4923  as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+ Line 4865  as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
  exec 6>&1
+ ## ----------------------------------- ##
+ ## Main body of $CONFIG_STATUS script. ##
+ ## ----------------------------------- ##
+ _ASEOF
+ test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
-# Save the log message, to keep $[0] and so on meaningful, and to
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
  # report actual input values of CONFIG_FILES etc. instead of their
  # values after options handling.
  ac_log="
-This file was extended by libaitcfg $as_me 3.1, which was
+This file was extended by libaitcfg $as_me 9.5, which was
-generated by GNU Autoconf 2.62.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
    CONFIG_FILES    = $CONFIG_FILES
    CONFIG_HEADERS  = $CONFIG_HEADERS
- Line 4942  on `(hostname || uname -n) 2>/dev/null | sed 1q`
+ Line 4890  on `(hostname || uname -n) 2>/dev/null | sed 1q`
  _ACEOF
+ case $ac_config_files in *"
+ "*) set x $ac_config_files; shift; ac_config_files=$*;;
+ esac
+ case $ac_config_headers in *"
+ "*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+ esac
  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
  # Files that config.status was made for.
  config_files="$ac_config_files"
- Line 4951  _ACEOF
+ Line 4908  _ACEOF
  cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
  ac_cs_usage="\
-\`$as_me' instantiates files from templates according to the
+\`$as_me' instantiates files and other configuration actions
-current configuration.
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
-Usage: $0 [OPTIONS] [FILE]...
+Usage: $0 [OPTION]... [TAG]...
    -h, --help       print this help, then exit
    -V, --version    print version number and configuration settings, then exit
-  -q, --quiet      do not print progress messages
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
    -d, --debug      don't remove temporary files
        --recheck    update $as_me by reconfiguring in the same conditions
-  --file=FILE[:TEMPLATE]
+      --file=FILE[:TEMPLATE]
                     instantiate the configuration file FILE
-  --header=FILE[:TEMPLATE]
+      --header=FILE[:TEMPLATE]
                     instantiate the configuration header FILE
  Configuration files:
- Line 4972  $config_files
+ Line 4932  $config_files
  Configuration headers:
  $config_headers
-Report bugs to <bug-autoconf@gnu.org>."
+Report bugs to <misho@elwix.org>."
  _ACEOF
+ ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
+ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ ac_cs_config='$ac_cs_config_escaped'
  ac_cs_version="\\
-libaitcfg config.status 3.1
+libaitcfg config.status 9.5
-configured by $0, generated by GNU Autoconf 2.62,
+configured by $0, generated by GNU Autoconf 2.71,
-  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+  with options \\"\$ac_cs_config\\"
-Copyright (C) 2008 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."
- Line 4997  ac_need_defaults=:
+ Line 4960  ac_need_defaults=:
  while test $# != 0
  do
    case $1 in
-  --*=*)
+  --*=?*)
      ac_option=`expr "X$1" : 'X\([^=]*\)='`
      ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
      ac_shift=:
      ;;
+   --*=)
+     ac_option=`expr "X$1" : 'X\([^=]*\)='`
+     ac_optarg=
+     ac_shift=:
+     ;;
    *)
      ac_option=$1
      ac_optarg=$2
- Line 5014  do
+ Line 4982  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" "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    printf "%s\n" "$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 $? "missing file argument" ;;
      esac
-    CONFIG_FILES="$CONFIG_FILES '$ac_optarg'"
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
      ac_need_defaults=false;;
    --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
-    CONFIG_HEADERS="$CONFIG_HEADERS '$ac_optarg'"
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
      ac_need_defaults=false;;
    --he | --h)
      # Conflict between --help and --header
-    { $as_echo "$as_me: error: ambiguous option: $1
+    as_fn_error $? "ambiguous option: \`$1'
-Try \`$0 --help' for more information." >&2
+Try \`$0 --help' for more information.";;
-   { (exit 1); exit 1; }; };;
    --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=: ;;
    # This is an error.
-  -*) { $as_echo "$as_me: error: unrecognized option: $1
+  -*) as_fn_error $? "unrecognized option: \`$1'
-Try \`$0 --help' for more information." >&2
+Try \`$0 --help' for more information." ;;
-   { (exit 1); exit 1; }; } ;;
-  *) ac_config_targets="$ac_config_targets $1"
+  *) as_fn_append ac_config_targets " $1"
       ac_need_defaults=false ;;
    esac
- Line 5064  fi
+ Line 5033  fi
  _ACEOF
  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
  if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  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 "\$@"
- Line 5080  exec 5>>config.log
+ Line 5049  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" "$ac_log"
  } >&5
  _ACEOF
- Line 5097  do
+ Line 5066  do
      "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
      "inc/Makefile") CONFIG_FILES="$CONFIG_FILES inc/Makefile" ;;
      "lib/Makefile") CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;;
+     "debian/Makefile") CONFIG_FILES="$CONFIG_FILES debian/Makefile" ;;
+     "debian/control") CONFIG_FILES="$CONFIG_FILES debian/control" ;;
      "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
-  *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
-$as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
-   { (exit 1); exit 1; }; };;
    esac
  done
- Line 5111  done
+ Line 5080  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 ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
-  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+  test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers
  fi
  # Have a temporary directory for convenience.  Make it in the build tree
- Line 5123  fi
+ Line 5092  fi
  # after its creation but before its name has been assigned to `$tmp'.
  $debug ||
  {
-  tmp=
+  tmp= ac_tmp=
    trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
  ' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
+  trap 'as_fn_exit 1' 1 2 13 15
  }
  # Create a (secure) tmp directory for tmp files.
  {
    tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
  }  ||
  {
    tmp=./conf$$-$RANDOM
    (umask 077 && mkdir "$tmp")
-} ||
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
 ac_tmp=$tmp
-   $as_echo "$as_me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
-}
  # Set up the scripts for CONFIG_FILES section.
  # No need to generate them if there are no CONFIG_FILES.
- Line 5150  $debug ||
+ Line 5117  $debug ||
  if test -n "$CONFIG_FILES"; then
-ac_cr='
'
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
  ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
  if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
    ac_cs_awk_cr='\\r'
- Line 5158  else
+ Line 5131  else
    ac_cs_awk_cr=$ac_cr
  fi
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
  _ACEOF
- Line 5167  _ACEOF
+ Line 5140  _ACEOF
    echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
    echo "_ACEOF"
  } >conf$$subs.sh ||
-  { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
-   { (exit 1); exit 1; }; }
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
  ac_delim='%!_!# '
  for ac_last_try in false false false false false :; do
    . ./conf$$subs.sh ||
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` = $ac_delim_num; then
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
      break
    elif $ac_last_try; then
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
    else
      ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
    fi
- Line 5191  done
+ Line 5159  done
  rm -f conf$$subs.sh
  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
  _ACEOF
  sed -n '
  h
- Line 5205  s/'"$ac_delim"'$//
+ Line 5173  s/'"$ac_delim"'$//
  t delim
  :nl
  h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
  t more1
  s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
  p
- Line 5219  s/.\{148\}//
+ Line 5187  s/.\{148\}//
  t nl
  :delim
  h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
  t more2
  s/["\\]/\\&/g; s/^/"/; s/$/"/
  p
- Line 5239  t delim
+ Line 5207  t delim
  rm -f conf$$subs.awk
  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
  _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
    for (key in S) S_is_set[key] = 1
    FS = ""
- Line 5271  if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+ Line 5239  if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
    sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
  else
    cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
-  || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
-$as_echo "$as_me: error: could not setup config files machinery" >&2;}
-   { (exit 1); exit 1; }; }
  _ACEOF
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
  # trailing colons and then remove the whole line if VPATH becomes empty
  # (actually we leave an empty line to preserve line numbers).
  if test "x$srcdir" = x.; then
-  ac_vpsub='/^[  ]*VPATH[        ]*=/{
+  ac_vpsub='/^[  ]*VPATH[        ]*=[        ]*/{
-s/:*\$(srcdir):*/:/
+h
-s/:*\${srcdir}:*/:/
+s///
-s/:*@srcdir@:*/:/
+s/^/:/
-s/^\([^=]*=[     ]*\):*/\1/
+s/[      ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
  s/:*$//
+ x
+ s/\(=[   ]*\).*/\1/
+ G
+ s/\n//
  s/^[^=]*=[       ]*$//
  }'
  fi
- Line 5299  fi # test -n "$CONFIG_FILES"
+ Line 5273  fi # test -n "$CONFIG_FILES"
  # No need to generate them if there are no CONFIG_HEADERS.
  # This happens for instance with `./config.status Makefile'.
  if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
  BEGIN {
  _ACEOF
- Line 5311  _ACEOF
+ Line 5285  _ACEOF
  # handling of long lines.
  ac_delim='%!_!# '
  for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  if test -z "$ac_tt"; then
      break
    elif $ac_last_try; then
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_HEADERS" >&5
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
-$as_echo "$as_me: error: could not make $CONFIG_HEADERS" >&2;}
-   { (exit 1); exit 1; }; }
    else
      ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
    fi
- Line 5383  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ Line 5355  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
    }
    split(mac1, mac2, "(") #)
    macro = mac2[1]
+   prefix = substr(line, 1, index(line, defundef) - 1)
    if (D_is_set[macro]) {
      # Preserve the white space surrounding the "#".
-     prefix = substr(line, 1, index(line, defundef) - 1)
      print prefix "define", macro P[macro] D[macro]
      next
    } else {
- Line 5393  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ Line 5365  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
      # in the case of _POSIX_SOURCE, which is predefined and required
      # on some systems where configure will not decide to define it.
      if (defundef == "undef") {
-      print "/*", line, "*/"
+      print "/*", prefix defundef, macro, "*/"
        next
      }
    }
- Line 5402  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ Line 5374  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
  _ACAWK
  _ACEOF
  cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  { { $as_echo "$as_me:$LINENO: error: could not setup config headers machinery" >&5
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
-$as_echo "$as_me: error: could not setup config headers machinery" >&2;}
-   { (exit 1); exit 1; }; }
  fi # test -n "$CONFIG_HEADERS"
- Line 5417  do
+ Line 5387  do
    esac
    case $ac_mode$ac_tag in
    :[FHL]*:*);;
-  :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
-$as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
-   { (exit 1); exit 1; }; };;
    :[FH]-) ac_tag=-:-;;
    :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
    esac
- Line 5438  $as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
+ Line 5406  $as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
      for ac_f
      do
        case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
        *) # Look for the file first in the build tree, then in the source tree
           # (if the path is not absolute).  The absolute path cannot be DOS-style,
           # because $ac_f cannot contain `:'.
- Line 5447  $as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
+ Line 5415  $as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
             [\\/$]*) false;;
             *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
             esac ||
-           { { $as_echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
+           as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
-$as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
-   { (exit 1); exit 1; }; };;
        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
-      ac_file_inputs="$ac_file_inputs '$ac_f'"
+      as_fn_append ac_file_inputs " '$ac_f'"
      done
      # Let's still pretend it is `configure' which instantiates (i.e., don't
      # use $as_me), people would be surprised to read:
      #    /* config.h.  Generated by config.status.  */
      configure_input='Generated from '`
-          $as_echo "$*" | 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:$LINENO: creating $ac_file" >&5
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
+printf "%s\n" "$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
      case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; } ;;
      esac
      ;;
    esac
- Line 5488  $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \|
+ Line 5452  $as_expr X"$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
- Line 5506  $as_echo X"$ac_file" |
+ Line 5470  $as_echo X"$ac_file" |
              q
            }
            s/.*/./; q'`
-  { as_dir="$ac_dir"
+  as_dir="$ac_dir"; as_fn_mkdir_p
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$as_dir" : 'X\(//\)[^/]' \| \
-         X"$as_dir" : 'X\(//\)$' \| \
-         X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-            s//\1/
-            q
-          }
-          /^X\(\/\/\)[^/].*/{
-            s//\1/
-            q
-          }
-          /^X\(\/\/\)$/{
-            s//\1/
-            q
-          }
-          /^X\(\/\).*/{
-            s//\1/
-            q
-          }
-          s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || { { $as_echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
-$as_echo "$as_me: error: cannot create directory $as_dir" >&2;}
-   { (exit 1); exit 1; }; }; }
    ac_builddir=.
  case "$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/ ;;
- Line 5598  cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ Line 5522  cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
  # If the template does not know about datarootdir, expand it.
  # FIXME: This hack should be removed a few years after 2.60.
  ac_datarootdir_hack=; ac_datarootdir_seen=
  ac_sed_dataroot='
  /datarootdir/ {
    p
- Line 5608  ac_sed_dataroot='
+ Line 5531  ac_sed_dataroot='
  /@docdir@/p
  /@infodir@/p
  /@localedir@/p
-/@mandir@/p
+/@mandir@/p'
  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:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+  { printf "%s\n" "$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: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
  _ACEOF
  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
    ac_datarootdir_hack='
- Line 5623  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ Line 5545  cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
    s&@infodir@&$infodir&g
    s&@localedir@&$localedir&g
    s&@mandir@&$mandir&g
-    s&\\\${datarootdir}&$datarootdir&g' ;;
+  s&\\\${datarootdir}&$datarootdir&g' ;;
  esac
  _ACEOF
- Line 5650  s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+ Line 5572  s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
  s&@INSTALL@&$ac_INSTALL&;t t
  $ac_datarootdir_hack
  "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
-  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
  test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[  ]*datarootdir[  ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/^[  ]*datarootdir[  ]*:*=/p' \
-  { $as_echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
-which seems to be undefined.  Please make sure it is defined." >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&5
-which seems to be undefined.  Please make sure it is defined." >&2;}
+printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&2;}
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
    case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
    esac \
-  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
   ;;
    :H)
    #
- Line 5678  $as_echo "$as_me: error: could not create $ac_file" >&
+ Line 5597  $as_echo "$as_me: error: could not create $ac_file" >&
    #
    if test x"$ac_file" != x-; then
      {
-      $as_echo "/* $configure_input  */" \
+      printf "%s\n" "/* $configure_input  */" >&1 \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
+    } >"$ac_tmp/config.h" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
-   { (exit 1); exit 1; }; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+printf "%s\n" "$as_me: $ac_file is unchanged" >&6;}
-      { $as_echo "$as_me:$LINENO: $ac_file is unchanged" >&5
-$as_echo "$as_me: $ac_file is unchanged" >&6;}
      else
        rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
+      mv "$ac_tmp/config.h" "$ac_file" \
-        || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+        || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
      fi
    else
-    $as_echo "/* $configure_input  */" \
+    printf "%s\n" "/* $configure_input  */" >&1 \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create -" >&5
+      || as_fn_error $? "could not create -" "$LINENO" 5
-$as_echo "$as_me: error: could not create -" >&2;}
-   { (exit 1); exit 1; }; }
    fi
   ;;
- Line 5709  $as_echo "$as_me: error: could not create -" >&2;}
+ Line 5622  $as_echo "$as_me: error: could not create -" >&2;}
  done # for ac_tag
-{ (exit 0); exit 0; }
+as_fn_exit 0
  _ACEOF
- chmod +x $CONFIG_STATUS
  ac_clean_files=$ac_clean_files_save
  test $ac_write_fail = 0 ||
-  { { $as_echo "$as_me:$LINENO: error: write failure creating $CONFIG_STATUS" >&5
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
-$as_echo "$as_me: error: write failure creating $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
  # configure is writing to config.log, and then calls config.status.
- Line 5738  if test "$no_create" != yes; then
+ Line 5648  if test "$no_create" != yes; then
    exec 5>>config.log
    # Use ||, not &&, to avoid exiting from the if with $? = 1, which
    # would make configure fail if this is the last instruction.
-  $ac_cs_success || { (exit 1); exit 1; }
+  $ac_cs_success || as_fn_exit 1
  fi
  if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:$LINENO: WARNING: Unrecognized options: $ac_unrecognized_opts" >&5
+  { printf "%s\n" "$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: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
  fi

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Removed from v.1.3
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	Added in v.1.30.2.4