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                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">#! /usr/bin/perl
# -*- Perl -*-
# Generated from autoheader.in; do not edit by hand.

eval &#039;case $# in 0) exec /usr/bin/perl -S &quot;$0&quot;;; *) exec /usr/bin/perl -S &quot;$0&quot; &quot;$@&quot;;; esac&#039;
    if 0;

# autoheader -- create `config.h.in&#039; from `configure.ac&#039;

# Copyright (C) 1992-1994, 1996, 1998-2012 Free Software Foundation,
# Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.

# Written by Roland McGrath.
# Rewritten in Perl by Akim Demaille.

BEGIN
{
  my $pkgdatadir = $ENV{&#039;autom4te_perllibdir&#039;} || &#039;/usr/share/autoconf&#039;;
  unshift @INC, &quot;$pkgdatadir&quot;;

  # Override SHELL.  On DJGPP SHELL may not be set to a shell
  # that can handle redirection and quote arguments correctly,
  # e.g.: COMMAND.COM.  For DJGPP always use the shell that configure
  # has detected.
  $ENV{&#039;SHELL&#039;} = &#039;/bin/sh&#039; if ($^O eq &#039;dos&#039;);
}

use Autom4te::ChannelDefs;
use Autom4te::Channels;
use Autom4te::Configure_ac;
use Autom4te::FileUtils;
use Autom4te::General;
use Autom4te::XFile;
use strict;

# Using `do FILE&#039;, we need `local&#039; vars.
use vars qw ($config_h %verbatim %symbol);

# Lib files.
my $autom4te = $ENV{&#039;AUTOM4TE&#039;} || &#039;/usr/bin/autom4te&#039;;
local $config_h;
my $config_h_in;
my @prepend_include;
my @include;


# $HELP
# -----
$help = &quot;Usage: $0 [OPTION]... [TEMPLATE-FILE]

Create a template file of C \`\#define\&#039; statements for \`configure\&#039; to
use.  To this end, scan TEMPLATE-FILE, or \`configure.ac\&#039; if present,
or else \`configure.in\&#039;.

  -h, --help               print this help, then exit
  -V, --version            print version number, then exit
  -v, --verbose            verbosely report processing
  -d, --debug              don\&#039;t remove temporary files
  -f, --force              consider all files obsolete
  -W, --warnings=CATEGORY  report the warnings falling in CATEGORY

&quot; . Autom4te::ChannelDefs::usage () . &quot;

Library directories:
  -B, --prepend-include=DIR  prepend directory DIR to search path
  -I, --include=DIR          append directory DIR to search path

Report bugs to &lt;bug-autoconf\@gnu.org&gt;.
GNU Autoconf home page: &lt;http://www.gnu.org/software/autoconf/&gt;.
General help using GNU software: &lt;http://www.gnu.org/gethelp/&gt;.
&quot;;


# $VERSION
# --------
$version = &quot;autoheader (GNU Autoconf) 2.69
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+/Autoconf: GNU GPL version 3 or later
&lt;http://gnu.org/licenses/gpl.html&gt;, &lt;http://gnu.org/licenses/exceptions.html&gt;
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Roland McGrath and Akim Demaille.
&quot;;


## ---------- ##
## Routines.  ##
## ---------- ##


# parse_args ()
# -------------
# Process any command line arguments.
sub parse_args ()
{
  my $srcdir;

  parse_WARNINGS;
  getopt (&#039;I|include=s&#039;         =&gt; \@include,
	  &#039;B|prepend-include=s&#039; =&gt; \@prepend_include,
	  &#039;W|warnings=s&#039;        =&gt; \&amp;parse_warnings);

  if (! @ARGV)
    {
      my $configure_ac = require_configure_ac;
      push @ARGV, $configure_ac;
    }
}


## -------------- ##
## Main program.  ##
## -------------- ##

mktmpdir (&#039;ah&#039;);
switch_warning &#039;obsolete&#039;;
parse_args;

# Preach.
my $config_h_top = find_file (&quot;config.h.top?&quot;,
			      reverse (@prepend_include), @include);
my $config_h_bot = find_file (&quot;config.h.bot?&quot;,
			      reverse (@prepend_include), @include);
my $acconfig_h = find_file (&quot;acconfig.h?&quot;,
			    reverse (@prepend_include), @include);
if ($config_h_top || $config_h_bot || $acconfig_h)
  {
    my $msg = &lt;&lt; &quot;END&quot;;
    Using auxiliary files such as \`acconfig.h\&#039;, \`config.h.bot\&#039;
    and \`config.h.top\&#039;, to define templates for \`config.h.in\&#039;
    is deprecated and discouraged.

    Using the third argument of \`AC_DEFINE\&#039; and
    \`AC_DEFINE_UNQUOTED\&#039; allows one to define a template without
    \`acconfig.h\&#039;:

      AC_DEFINE([NEED_FUNC_MAIN], 1,
		[Define if a function \`main\&#039; is needed.])

    More sophisticated templates can also be produced, see the
    documentation.
END
    $msg =~ s/^    /WARNING: /gm;
    msg &#039;obsolete&#039;, $msg;
  }

# Set up autoconf.
my $autoconf = &quot;&#039;$autom4te&#039; --language=autoconf &quot;;
$autoconf .= join (&#039; --include=&#039;, &#039;&#039;, map { shell_quote ($_) } @include);
$autoconf .= join (&#039; --prepend-include=&#039;, &#039;&#039;, map { shell_quote ($_) } @prepend_include);
$autoconf .= &#039; --debug&#039; if $debug;
$autoconf .= &#039; --force&#039; if $force;
$autoconf .= &#039; --verbose&#039; if $verbose;

# ----------------------- #
# Real work starts here.  #
# ----------------------- #

# Source what the traces are trying to tell us.
verb &quot;$me: running $autoconf to trace from $ARGV[0]&quot;;
my $quoted_tmp = shell_quote ($tmp);
xsystem (&quot;$autoconf&quot;
	 # If you change this list, update the
	 # `Autoheader-preselections&#039; section of autom4te.in.
	 . &#039; --trace AC_CONFIG_HEADERS:\&#039;$$config_h ||= \&#039;&quot;\&#039;&quot;\&#039;$1\&#039;&quot;\&#039;&quot;\&#039;;\&#039;&#039;
	 . &#039; --trace AH_OUTPUT:\&#039;$$verbatim{\&#039;&quot;\&#039;&quot;\&#039;$1\&#039;&quot;\&#039;&quot;\&#039;} = \&#039;&quot;\&#039;&quot;\&#039;$2\&#039;&quot;\&#039;&quot;\&#039;;\&#039;&#039;
	 . &#039; --trace AC_DEFINE_TRACE_LITERAL:\&#039;$$symbol{\&#039;&quot;\&#039;&quot;\&#039;$1\&#039;&quot;\&#039;&quot;\&#039;} = 1;\&#039;&#039;
	 . &quot; &quot; . shell_quote ($ARGV[0]) . &quot; &gt;$quoted_tmp/traces.pl&quot;);

local (%verbatim, %symbol);
debug &quot;$me: \`do&#039;ing $tmp/traces.pl:\n&quot; . `sed &#039;s/^/| /&#039; $quoted_tmp/traces.pl`;
do &quot;$tmp/traces.pl&quot;;
warn &quot;couldn&#039;t parse $tmp/traces.pl: $@&quot; if $@;
unless ($config_h)
  {
    error &quot;error: AC_CONFIG_HEADERS not found in $ARGV[0]&quot;;
    exit 1;
  }

# We template only the first CONFIG_HEADER.
$config_h =~ s/ .*//;
# Support &quot;outfile[:infile]&quot;, defaulting infile=&quot;outfile.in&quot;.
($config_h, $config_h_in) = split (&#039;:&#039;, $config_h, 2);
$config_h_in ||= &quot;$config_h.in&quot;;

# %SYMBOL might contain things like `F77_FUNC(name,NAME)&#039;, but we keep
# only the name of the macro.
%symbol = map { s/\(.*//; $_ =&gt; 1 } keys %symbol;

my $out = new Autom4te::XFile (&quot;&gt; &quot; . open_quote (&quot;$tmp/config.hin&quot;));

# Don&#039;t write &quot;do not edit&quot; -- it will get copied into the
# config.h, which it&#039;s ok to edit.
print $out &quot;/* $config_h_in.  Generated from $ARGV[0] by autoheader.  */\n&quot;;

# Dump the top.
if ($config_h_top)
  {
    my $in = new Autom4te::XFile (&quot;&lt; &quot; . open_quote ($config_h_top));
    while ($_ = $in-&gt;getline)
      {
	print $out $_;
      }
  }

# Dump `acconfig.h&#039;, except for its bottom portion.
if ($acconfig_h)
  {
    my $in = new Autom4te::XFile (&quot;&lt; &quot; . open_quote ($acconfig_h));
    while ($_ = $in-&gt;getline)
      {
	last if /\@BOTTOM\@/;
	next if /\@TOP\@/;
	print $out $_;
      }
  }

# Dump the templates from `configure.ac&#039;.
foreach (sort keys %verbatim)
  {
    print $out &quot;\n$verbatim{$_}\n&quot;;
  }

# Dump bottom portion of `acconfig.h&#039;.
if ($acconfig_h)
  {
    my $in = new Autom4te::XFile (&quot;&lt; &quot; . open_quote ($acconfig_h));
    my $dump = 0;
    while ($_ = $in-&gt;getline)
      {
	print $out $_ if $dump;
	$dump = 1  if /\@BOTTOM\@/;
      }
  }

# Dump the bottom.
if ($config_h_bot)
  {
    my $in = new Autom4te::XFile (&quot;&lt; &quot; . open_quote ($config_h_bot));
    while ($_ = $in-&gt;getline)
      {
	print $out $_;
      }
  }

$out-&gt;close;

# Check that all the symbols have a template.
{
  my $in = new Autom4te::XFile (&quot;&lt; &quot; . open_quote (&quot;$tmp/config.hin&quot;));
  my $suggest_ac_define = 1;
  while ($_ = $in-&gt;getline)
    {
      my ($symbol) = /^\#\s*\w+\s+(\w+)/
	or next;
      delete $symbol{$symbol};
    }
  foreach (sort keys %symbol)
    {
      msg &#039;syntax&#039;, &quot;warning: missing template: $_&quot;;
      if ($suggest_ac_define)
	{
	  msg &#039;syntax&#039;,  &quot;Use AC_DEFINE([$_], [], [Description])&quot;;
	  $suggest_ac_define = 0;
	}

    }
  exit 1
    if keys %symbol;
}

update_file (&quot;$tmp/config.hin&quot;, &quot;$config_h_in&quot;, $force);

### Setup &quot;GNU&quot; style for perl-mode and cperl-mode.
## Local Variables:
## perl-indent-level: 2
## perl-continued-statement-offset: 2
## perl-continued-brace-offset: 0
## perl-brace-offset: 0
## perl-brace-imaginary-offset: 0
## perl-label-offset: -2
## cperl-indent-level: 2
## cperl-brace-offset: 0
## cperl-continued-brace-offset: 0
## cperl-label-offset: -2
## cperl-extra-newline-before-brace: t
## cperl-merge-trailing-else: nil
## cperl-continued-statement-offset: 2
## End:
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