[chronojump] intltool-update: sadly the standard intltool doesn't handle configure.ac m4_esyscmd_s macro



commit a8b47df0f89b70724ef482e48fac03caa9448ecd
Author: Carles Pina i Estany <carles pina cat>
Date:   Tue Nov 22 00:23:36 2016 +0100

    intltool-update: sadly the standard intltool doesn't handle configure.ac m4_esyscmd_s macro
    
    In this commit I'm adding an intltool-update that needs to be used.
    
    See the patch for intltool in
    https://bugs.launchpad.net/intltool/+bug/1642931

 po/README          |    8 +
 po/intltool-update | 1308 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1316 insertions(+), 0 deletions(-)
---
diff --git a/po/README b/po/README
new file mode 100644
index 0000000..e388ffa
--- /dev/null
+++ b/po/README
@@ -0,0 +1,8 @@
+If you need to use intltool-update please use the one bundled
+in this directory (e.g. ./intltool-update -m)
+
+It contains this patch:
+https://bugs.launchpad.net/intltool/+bug/1642931
+
+See the original bugreport:
+https://bugzilla.gnome.org/show_bug.cgi?id=774404
diff --git a/po/intltool-update b/po/intltool-update
new file mode 100755
index 0000000..3cfd6a5
--- /dev/null
+++ b/po/intltool-update
@@ -0,0 +1,1308 @@
+#!/usr/bin/perl -w
+# -*- Mode: perl; indent-tabs-mode: nil; c-basic-offset: 4  -*-
+#
+# This file has been modified for Chronojump project.
+# It contains this patch:
+# https://bugs.launchpad.net/intltool/+bug/1642931
+
+#
+#  The Intltool Message Updater
+#
+#  Copyright (C) 2000-2003 Free Software Foundation.
+#
+#  Intltool is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  version 2 published by the Free Software Foundation.
+#
+#  Intltool is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+#  As a special exception to the GNU General Public License, if you
+#  distribute this file as part of a program that contains a
+#  configuration script generated by Autoconf, you may include it under
+#  the same distribution terms that you use for the rest of that program.
+#
+#  Authors: Kenneth Christiansen <kenneth gnu org>
+#           Maciej Stachowiak
+#           Darin Adler <darin bentspoon com>
+
+## Release information
+my $PROGRAM = "intltool-update";
+my $VERSION = "0.50.2";
+my $PACKAGE = "intltool";
+
+## Loaded modules
+use strict;
+use Getopt::Long;
+use Cwd;
+use File::Copy;
+use File::Find;
+
+## Scalars used by the option stuff
+my $HELP_ARG      = 0;
+my $VERSION_ARG    = 0;
+my $DIST_ARG      = 0;
+my $POT_ARG       = 0;
+my $HEADERS_ARG    = 0;
+my $MAINTAIN_ARG   = 0;
+my $REPORT_ARG     = 0;
+my $VERBOSE       = 0;
+my $GETTEXT_PACKAGE = "";
+my $OUTPUT_FILE    = "";
+
+my @languages;
+my %varhash = ();
+my %po_files_by_lang = ();
+
+# Regular expressions to categorize file types.
+# FIXME: Please check if the following is correct
+
+my $xml_support =
+"xml(?:\\.in)*|".      # http://www.w3.org/XML/ (Note: .in is not required)
+"ui|".                 # Bonobo specific - User Interface desc. files
+"lang|".               # ?
+"glade2?(?:\\.in)*|".  # Glade specific - User Interface desc. files (Note: .in is not required)
+"oaf(?:\\.in)+|".      # DEPRECATED: Replaces by Bonobo .server files
+"etspec|".             # ?
+"server(?:\\.in)+|".   # Bonobo specific
+"sheet(?:\\.in)+|".    # ?
+"schemas(?:\\.in)+|".  # GConf specific
+"gschema.xml|".         # GLib schema (ie: GSettings) specific
+"pong(?:\\.in)+|".     # DEPRECATED: PONG is not used [by GNOME] any longer.
+"kbd(?:\\.in)+|".      # GOK specific.
+"policy(?:\\.in)+";    # PolicyKit files
+
+my $ini_support =
+"icon(?:\\.in)+|".     # http://www.freedesktop.org/Standards/icon-theme-spec
+"desktop(?:\\.in)+|".  # http://www.freedesktop.org/Standards/menu-spec
+"caves(?:\\.in)+|".    # GNOME Games specific
+"directory(?:\\.in)+|".        # http://www.freedesktop.org/Standards/menu-spec
+"soundlist(?:\\.in)+|".        # GNOME specific
+"keys(?:\\.in)+|".     # GNOME Mime database specific
+"theme(?:\\.in)+|".    # http://www.freedesktop.org/Standards/icon-theme-spec
+"service(?:\\.in)+";    # DBus specific
+
+my $tlk_support =
+"tlk(?:\\.in)+";        # Bioware Aurora Talk Table Format
+
+my $buildin_gettext_support =
+"c|y|cs|cc|cpp|c\\+\\+|h|hh|gob|py|scm(?:\\.in)*";
+
+## Always flush buffer when printing
+$| = 1;
+
+## Sometimes the source tree will be rooted somewhere else.
+my $SRCDIR = $ENV{"srcdir"} || ".";
+my $POTFILES_in;
+
+$POTFILES_in = "<$SRCDIR/POTFILES.in";
+
+my $devnull = ($^O eq 'MSWin32' ? 'NUL:' : '/dev/null');
+
+## Handle options
+GetOptions
+(
+ "help"               => \$HELP_ARG,
+ "version"            => \$VERSION_ARG,
+ "dist|d"             => \$DIST_ARG,
+ "pot|p"              => \$POT_ARG,
+ "headers|s"          => \$HEADERS_ARG,
+ "maintain|m"         => \$MAINTAIN_ARG,
+ "report|r"           => \$REPORT_ARG,
+ "verbose|x"          => \$VERBOSE,
+ "gettext-package|g=s" => \$GETTEXT_PACKAGE,
+ "output-file|o=s"     => \$OUTPUT_FILE,
+ ) or &Console_WriteError_InvalidOption;
+
+&Console_Write_IntltoolHelp if $HELP_ARG;
+&Console_Write_IntltoolVersion if $VERSION_ARG;
+
+my $arg_count = ($DIST_ARG > 0)
+    + ($POT_ARG > 0)
+    + ($HEADERS_ARG > 0)
+    + ($MAINTAIN_ARG > 0)
+    + ($REPORT_ARG > 0);
+
+&Console_Write_IntltoolHelp if $arg_count > 1;
+
+my $MODULE = $GETTEXT_PACKAGE || FindPackageName() || "unknown";
+
+if ($POT_ARG)
+{
+    &GenerateHeaders;
+    &GeneratePOTemplate;
+}
+elsif ($HEADERS_ARG)
+{
+    &GenerateHeaders;
+}
+elsif ($MAINTAIN_ARG)
+{
+    &FindLeftoutFiles;
+}
+elsif ($REPORT_ARG)
+{
+    &GenerateHeaders;
+    &GeneratePOTemplate;
+    &Console_Write_CoverageReport;
+}
+elsif ((defined $ARGV[0]) && $ARGV[0] =~ /^[a-z]/)
+{
+    my $lang = $ARGV[0];
+
+    ## Report error if the language file supplied
+    ## to the command line is non-existent
+    &Console_WriteError_NotExisting("$SRCDIR/$lang.po")
+        if ! -s "$SRCDIR/$lang.po";
+
+    if (!$DIST_ARG)
+    {
+       print "Working, please wait..." if $VERBOSE;
+       &GenerateHeaders;
+       &GeneratePOTemplate;
+    }
+    &POFile_Update ($lang, $OUTPUT_FILE);
+    &Console_Write_TranslationStatus ($lang, $OUTPUT_FILE);
+}
+else
+{
+    &Console_Write_IntltoolHelp;
+}
+
+exit;
+
+#########
+
+sub Console_Write_IntltoolVersion
+{
+    print <<_EOF_;
+${PROGRAM} (${PACKAGE}) $VERSION
+Written by Kenneth Christiansen, Maciej Stachowiak, and Darin Adler.
+
+Copyright (C) 2000-2003 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+_EOF_
+    exit;
+}
+
+sub Console_Write_IntltoolHelp
+{
+    print <<_EOF_;
+Usage: ${PROGRAM} [OPTION]... LANGCODE
+Updates PO template files and merge them with the translations.
+
+Mode of operation (only one is allowed):
+  -p, --pot                   generate the PO template only
+  -s, --headers               generate the header files in POTFILES.in
+  -m, --maintain              search for left out files from POTFILES.in
+  -r, --report                display a status report for the module
+  -d, --dist                  merge LANGCODE.po with existing PO template
+
+Extra options:
+  -g, --gettext-package=NAME  override PO template name, useful with --pot
+  -o, --output-file=FILE      write merged translation to FILE
+  -x, --verbose               display lots of feedback
+      --help                  display this help and exit
+      --version               output version information and exit
+
+Examples of use:
+${PROGRAM} --pot    just create a new PO template
+${PROGRAM} xy       create new PO template and merge xy.po with it
+
+Report bugs to http://bugs.launchpad.net/intltool
+_EOF_
+    exit;
+}
+
+sub echo_n
+{
+    my $str = shift;
+    my $ret = `echo "$str"`;
+
+    $ret =~ s/\n$//; # do we need the "s" flag?
+
+    return $ret;
+}
+
+sub POFile_DetermineType ($)
+{
+   my $type = $_;
+   my $gettext_type;
+
+   my $xml_regex     = "(?:" . $xml_support . ")";
+   my $ini_regex     = "(?:" . $ini_support . ")";
+   my $tlk_regex     = "(?:" . $tlk_support . ")";
+   my $buildin_regex = "(?:" . $buildin_gettext_support . ")";
+
+   if ($type =~ /\[type: gettext\/([^\]].*)]/)
+   {
+       $gettext_type=$1;
+   }
+   elsif ($type =~ /gschema.xml$/)
+   {
+       $gettext_type="gsettings";
+   }
+   elsif ($type =~ /schemas(\.in)+$/)
+   {
+       $gettext_type="schemas";
+   }
+   elsif ($type =~ /glade2?(\.in)*$/)
+   {
+       $gettext_type="glade";
+   }
+   elsif ($type =~ /scm(\.in)*$/)
+   {
+       $gettext_type="scheme";
+   }
+   elsif ($type =~ /keys(\.in)+$/)
+   {
+       $gettext_type="keys";
+   }
+
+   # bucket types
+
+   elsif ($type =~ /$xml_regex$/)
+   {
+       $gettext_type="xml";
+   }
+   elsif ($type =~ /$ini_regex$/)
+   {
+       $gettext_type="ini";
+   }
+   elsif ($type =~ /$tlk_regex$/)
+   {
+       $gettext_type="tlk";
+   }
+   elsif ($type =~ /$buildin_regex$/)
+   {
+       $gettext_type="buildin";
+   }
+   else
+   {
+       $gettext_type="unknown";
+   }
+
+   return "gettext\/$gettext_type";
+}
+
+sub TextFile_DetermineEncoding ($)
+{
+    my $gettext_code="UTF-8"; # All files are UTF-8 by default
+    my $filetype=`file $_ | cut -d ' ' -f 2`;
+
+    if ($? eq "0")
+    {
+       if ($filetype =~ /^(ISO|UTF)/)
+       {
+           chomp ($gettext_code = $filetype);
+       }
+       elsif ($filetype =~ /^XML/)
+       {
+           $gettext_code="UTF-8"; # We asume that .glade and other .xml files are UTF-8
+       }
+    }
+
+    return $gettext_code;
+}
+
+sub isNotValidMissing
+{
+    my ($file) = @_;
+    print $file;
+    my $package_name = "";
+    my $version = "";
+    $package_name = $varhash{"PACKAGE"} if (defined $varhash{"PACKAGE"});
+    $version = $varhash{"VERSION"} if (defined $varhash{"VERSION"});
+
+    return if $file =~ /^\{arch\}\/.*$/;
+    return if $file =~ /^$package_name-$version\/.*$/;
+}
+
+sub removeFromArray
+{
+    my ($file, @array) = @_;
+
+    my $i = 0;
+    foreach my $potfile (@array) {
+        delete $array[$i] if $potfile =~ m/$file/;
+        $i++;
+    }
+}
+
+sub AddFileToListIfMissing
+{
+    my ($file, $list) = @_;
+
+    my $name_pattern;
+    if ($file =~ /^\.\.\//) {
+        $name_pattern = "x3 A*";
+    } else {
+        $name_pattern = "A*";
+    }
+
+    my $file_name = unpack($name_pattern, $file);
+    if (defined isNotValidMissing ($file_name)) {
+        ## Remove the first 3 chars if needed and add newline
+        push @$list, $file_name . "\n";
+    }
+}
+
+sub FindLeftoutFiles
+{
+    my (@buf_i18n_plain,
+       @buf_i18n_xml,
+       @buf_i18n_xml_unmarked,
+       @buf_i18n_ini,
+       @buf_potfiles,
+       @buf_potfiles_ignore,
+       @buf_allfiles,
+       @buf_allfiles_sorted,
+       @buf_potfiles_sorted,
+        @buf_potfiles_ignore_sorted
+    );
+
+    ## Search and find all translatable files
+    find sub {
+       # Ignore hidden files
+       return if "$File::Find::name" =~ /\/\./;
+       push @buf_i18n_plain,        "$File::Find::name" if /\.($buildin_gettext_support)$/;
+       push @buf_i18n_xml,          "$File::Find::name" if /\.($xml_support)$/;
+       push @buf_i18n_ini,          "$File::Find::name" if /\.($ini_support)$/;
+       push @buf_i18n_xml_unmarked, "$File::Find::name" if /\.(schemas(\.in)+)$/;
+       }, "..";
+    find sub {
+       # Ignore hidden files
+       return if "$File::Find::name" =~ /\/\.[^.]/;
+       push @buf_i18n_plain,        "$File::Find::name" if /\.($buildin_gettext_support)$/;
+       push @buf_i18n_xml,          "$File::Find::name" if /\.($xml_support)$/;
+       push @buf_i18n_ini,          "$File::Find::name" if /\.($ini_support)$/;
+       push @buf_i18n_xml_unmarked, "$File::Find::name" if /\.(schemas(\.in)+)$/;
+       }, "$SRCDIR/.." if "$SRCDIR" ne ".";
+
+    open POTFILES, $POTFILES_in or die "$PROGRAM:  there's no POTFILES.in!\n";
+    @buf_potfiles = grep !/^(#|\s*$)/, <POTFILES>;
+    close POTFILES;
+
+    foreach (@buf_potfiles) {
+       s/^\[.*]\s*//;
+    }
+
+    print "Searching for missing translatable files...\n" if $VERBOSE;
+
+    ## Check if we should ignore some found files, when
+    ## comparing with POTFILES.in
+    foreach my $ignore ("POTFILES.skip", "POTFILES.ignore")
+    {
+       (-s "$SRCDIR/$ignore") or next;
+
+       if ("$ignore" eq "POTFILES.ignore")
+       {
+           print "The usage of POTFILES.ignore is deprecated. Please consider moving the\n".
+                 "content of this file to POTFILES.skip.\n";
+       }
+
+       print "Found $ignore: Ignoring files...\n" if $VERBOSE;
+       open FILE, "<$SRCDIR/$ignore" or die "ERROR: Failed to open $SRCDIR/$ignore!\n";
+
+       while (<FILE>)
+       {
+            next if (/^$/);
+            next if (/^(#|\s*$)/);
+
+            my $skipdir = "../$_";
+            $skipdir = "$SRCDIR/../$_" if "$SRCDIR" ne ".";
+            $skipdir =~ s/\n//g;
+
+            my @dirignored;
+
+            if (-d "$skipdir")
+            {
+                find sub {
+                    push @dirignored, "$File::Find::name" if /\.($buildin_gettext_support)$/;
+                    push @dirignored, "$File::Find::name" if /\.($xml_support)$/;
+                    push @dirignored, "$File::Find::name" if /\.($ini_support)$/;
+                    push @dirignored, "$File::Find::name" if /\.(schemas(\.in)+)$/;
+                }, "$skipdir";
+                foreach my $ignored (@dirignored)
+                {
+                    $ignored =~ s/^$SRCDIR\///g;
+                    $ignored =~ s/^..\///g;
+                    $ignored =~ s/$/\n/g;
+
+                    removeFromArray ($ignored, @buf_i18n_plain);
+                    removeFromArray ($ignored, @buf_i18n_xml);
+                    removeFromArray ($ignored, @buf_i18n_ini);
+                    removeFromArray ($ignored, @buf_i18n_xml_unmarked);
+                    push @buf_potfiles_ignore, $ignored;
+                }
+                next;
+            }
+            removeFromArray ($_, @buf_i18n_plain);
+            removeFromArray ($_, @buf_i18n_xml);
+            removeFromArray ($_, @buf_i18n_ini);
+            removeFromArray ($_, @buf_i18n_xml_unmarked);
+            push @buf_potfiles_ignore, $_;
+       }
+       close FILE;
+
+       @buf_potfiles_ignore_sorted = sort (@buf_potfiles_ignore);
+    }
+
+    foreach my $file (@buf_i18n_plain)
+    {
+       my $in_comment = 0;
+       my $in_macro = 0;
+        my $in_string = 0;
+        my @multiline_quotes;
+        if ($file =~ /\.scm/) {
+            @multiline_quotes = ('"');
+        } else {
+            @multiline_quotes = ("'''", '"""');
+        }
+
+       open FILE, "<$file";
+       while (<FILE>)
+       {
+            if ($file =~ /\.scm/) {
+                # Strip single quotes from .scm files.
+                s-\'--g;
+            }
+
+           # Handle continued multi-line comment.
+           if ($in_comment)
+           {
+               next unless s-.*\*/--;
+               $in_comment = 0;
+           }
+
+            # Handle continued multi-line string.
+            if ($in_string)
+            {
+                my $pattern = join '|', @multiline_quotes;
+                if (!s/.*$pattern//) {
+                    s///s;
+                    next;
+                };
+                $in_string = 0;
+            }
+
+           # Handle continued macro.
+           if ($in_macro)
+           {
+               $in_macro = 0 unless /\\$/;
+               next;
+           }
+
+           # Handle start of macro (or any preprocessor directive).
+           if (/^\s*\#/)
+           {
+               $in_macro = 1 if /^([^\\]|\\.)*\\$/;
+               next;
+            }
+
+           # Handle comments and quoted text.
+           while (m-(/\*|//|\'\'\'|\"\"\"|\'|\")-) # \' and \" keep emacs perl mode happy
+           {
+               my $match = $1;
+               if ($match eq "/*")
+               {
+                   if (!s-/\*.*?\*/--)
+                   {
+                       s-/\*.*--;
+                       $in_comment = 1;
+                   }
+               }
+               elsif ($match eq "//")
+               {
+                   s-//.*--;
+               }
+                elsif (grep($match, @multiline_quotes))
+                {
+                    if (!s-$match(\\$match|[^$match])*$match-QUOTEDTEXT-g)
+                    {
+                        s-$match.*-QUOTEDTEXT-s;
+                        $in_string = 1;
+                    }
+                }
+               else # ' or "
+               {
+                   s-$match(\\$match|[^$match])*$match-QUOTEDTEXT-g;
+
+                    # Handle inline # comments.
+                    s/^([^$match]+)\#.*/$1/;
+
+                   if (m-$match-)
+                   {
+                       warn "mismatched quotes at line $. in $file\n";
+                       s-$match.*--;
+                   }
+               }
+           }
+
+           if (/\w\.GetString *\(QUOTEDTEXT/)
+           {
+                AddFileToListIfMissing($file, \@buf_allfiles);
+               last;
+           }
+
+            ## C_ N_ NC_ Q_ and _ are the macros defined in gi8n.h
+           if (/(NC_|[NCQ]_|[^_]_|(^|$)[_]) *\(?QUOTEDTEXT/m)
+           {
+                AddFileToListIfMissing($file, \@buf_allfiles);
+               last;
+           }
+
+            # Check for direct calls to the glib gettext wrappers
+            if (/g_d[np]?gettext[2]? *\(QUOTEDTEXT/)
+            {
+                AddFileToListIfMissing($file, \@buf_allfiles);
+                last;
+            }
+       }
+       close FILE;
+    }
+
+    foreach my $file (@buf_i18n_xml)
+    {
+       open FILE, "<$file";
+
+       while (<FILE>)
+       {
+           # FIXME: share the pattern matching code with intltool-extract
+           if (/\s_[-A-Za-z0-9._:]+\s*=\s*\"([^"]+)\"/ || /<_[^>]+>/ || /translatable=\"yes\"/)
+           {
+                AddFileToListIfMissing($file, \@buf_allfiles);
+               last;
+           }
+       }
+       close FILE;
+    }
+
+    foreach my $file (@buf_i18n_ini)
+    {
+       open FILE, "<$file";
+       while (<FILE>)
+       {
+           if (/_(.*)=/)
+           {
+                AddFileToListIfMissing($file, \@buf_allfiles);
+               last;
+           }
+       }
+       close FILE;
+    }
+
+    foreach my $file (@buf_i18n_xml_unmarked)
+    {
+        AddFileToListIfMissing($file, \@buf_allfiles);
+    }
+
+
+    @buf_allfiles_sorted = sort (@buf_allfiles);
+    @buf_potfiles_sorted = sort (@buf_potfiles);
+
+    my %in2;
+    foreach (@buf_potfiles_sorted)
+    {
+        s#^$SRCDIR/../##;
+        s#^$SRCDIR/##;
+       $in2{$_} = 1;
+    }
+
+    foreach (@buf_potfiles_ignore_sorted)
+    {
+        s#^$SRCDIR/../##;
+        s#^$SRCDIR/##;
+       $in2{$_} = 1;
+    }
+
+    my @result;
+
+    foreach (@buf_allfiles_sorted)
+    {
+        my $dummy = $_;
+        my $srcdir = $SRCDIR;
+
+        $srcdir =~ s#^../##;
+        $dummy =~ s#^$srcdir/../##;
+        $dummy =~ s#^$srcdir/##;
+        $dummy =~ s#_build/##;
+       if (!exists($in2{$dummy}))
+       {
+           push @result, $dummy
+       }
+    }
+
+    my @buf_potfiles_notexist;
+
+    foreach (@buf_potfiles_sorted)
+    {
+       chomp (my $dummy = $_);
+       if ("$dummy" ne "" and !(-f "$SRCDIR/../$dummy" or -f "../$dummy"))
+       {
+           push @buf_potfiles_notexist, $_;
+       }
+    }
+
+    ## Save file with information about the files missing
+    ## if any, and give information about this procedure.
+    if (@result + @buf_potfiles_notexist > 0)
+    {
+       if (@result)
+       {
+           print "\n" if $VERBOSE;
+           unlink "missing";
+           open OUT, ">missing";
+           print OUT @result;
+           close OUT;
+           warn "The following files contain translations and are currently not in use. Please\n".
+                "consider adding these to the POTFILES.in file, located in the po/ directory.\n\n";
+           print STDERR @result, "\n";
+           warn "If some of these files are left out on purpose then please add them to\n".
+                "POTFILES.skip instead of POTFILES.in. A file 'missing' containing this list\n".
+                "of left out files has been written in the current directory.\n";
+            warn "Please report to ". $varhash{"PACKAGE_BUGREPORT"} ."\n" if (defined 
$varhash{"PACKAGE_BUGREPORT"});
+       }
+       if (@buf_potfiles_notexist)
+       {
+           unlink "notexist";
+           open OUT, ">notexist";
+           print OUT @buf_potfiles_notexist;
+           close OUT;
+           warn "\n" if ($VERBOSE or @result);
+           warn "The following files do not exist anymore:\n\n";
+           warn @buf_potfiles_notexist, "\n";
+           warn "Please remove them from POTFILES.in. A file 'notexist'\n".
+                "containing this list of absent files has been written in the current directory.\n";
+            warn "Please report to ". $varhash{"PACKAGE_BUGREPORT"} ."\n" if (defined 
$varhash{"PACKAGE_BUGREPORT"});
+       }
+    }
+
+    ## If there is nothing to complain about, notify the user
+    else {
+       print "\nAll files containing translations are present in POTFILES.in.\n" if $VERBOSE;
+    }
+}
+
+sub Console_WriteError_InvalidOption
+{
+    ## Handle invalid arguments
+    print STDERR "Try `${PROGRAM} --help' for more information.\n";
+    exit 1;
+}
+
+sub isProgramInPath
+{
+    my ($file) = @_;
+    # If a file is executable (or exists on Windows),
+    # or when it returns 0 exit status.
+    return 1 if (
+        ((-x $file) or ($^O eq 'MSWin32' and (-e $file))) or
+        (system("$file --version >$devnull") == 0));
+    return 0;
+}
+
+sub isGNUGettextTool
+{
+    my ($file) = @_;
+    # Check that we are using GNU gettext tools
+    if (isProgramInPath ($file))
+    {
+        my $version = `$file --version`;
+        return 1 if ($version =~ m/.*\(GNU .*\).*/);
+    }
+    return 0;
+}
+
+sub GenerateHeaders
+{
+    my $EXTRACT = $ENV{"INTLTOOL_EXTRACT"} || "intltool-extract";
+
+    ## Generate the .h header files, so we can allow glade and
+    ## xml translation support
+    if (! isProgramInPath ("$EXTRACT"))
+    {
+       print STDERR "\n *** The intltool-extract script wasn't found!"
+            ."\n *** Without it, intltool-update can not generate files.\n";
+       exit;
+    }
+    else
+    {
+       open (FILE, $POTFILES_in) or die "$PROGRAM: POTFILES.in not found.\n";
+
+       while (<FILE>)
+       {
+          chomp;
+          next if /^\[\s*encoding/;
+
+          ## Find xml files in POTFILES.in and generate the
+          ## files with help from the extract script
+
+          my $gettext_type= &POFile_DetermineType ($1);
+
+          if (/\.($xml_support|$ini_support|$tlk_support)$/ || /^\[/)
+          {
+              s/^\[[^\[].*]\s*//;
+
+              my @cmd = ($EXTRACT, "--update", "--type=$gettext_type",
+                         "--srcdir=$SRCDIR");
+
+              unshift (@cmd, $^X) if ($^O eq 'MSWin32' && !($EXTRACT =~ /perl/));
+
+              push (@cmd, "--quiet") if (! $VERBOSE);
+              push (@cmd, "../$_");
+
+              system (@cmd);
+          }
+       }
+       close FILE;
+   }
+}
+
+#
+# Generate .pot file from POTFILES.in
+#
+sub GeneratePOTemplate
+{
+    my $XGETTEXT = $ENV{"XGETTEXT"} || "xgettext";
+    my $XGETTEXT_ARGS = $ENV{"XGETTEXT_ARGS"} || '';
+    chomp $XGETTEXT;
+
+    if (! isGNUGettextTool ("$XGETTEXT"))
+    {
+       print STDERR " *** GNU xgettext is not found on this system!\n".
+                    " *** Without it, intltool-update can not extract strings.\n";
+       exit;
+    }
+
+    print "Building $MODULE.pot...\n" if $VERBOSE;
+
+    open INFILE, $POTFILES_in;
+    unlink "POTFILES.in.temp";
+    open OUTFILE, ">POTFILES.in.temp" or die("Cannot open POTFILES.in.temp for writing");
+
+    my $gettext_support_nonascii = 0;
+
+    # checks for GNU gettext >= 0.12
+    my $dummy = `$XGETTEXT --version --from-code=UTF-8 >$devnull 2>$devnull`;
+    if ($? == 0)
+    {
+       $gettext_support_nonascii = 1;
+    }
+    else
+    {
+       # require gnu gettext >= 0.12
+       die "$PROGRAM: GNU gettext >= 0.12 is required for intltool\n";
+    }
+
+    my $encoding = "UTF-8";
+    my $forced_gettext_code;
+    my @temp_headers;
+    my $encoding_problem_is_reported = 0;
+
+    while (<INFILE>)
+    {
+       next if (/^#/ or /^\s*$/);
+
+       chomp;
+
+       my $gettext_code;
+
+       if (/^\[\s*encoding:\s*(.*)\s*\]/)
+       {
+           $forced_gettext_code=$1;
+       }
+       elsif (/\.($xml_support|$ini_support|$tlk_support)$/ || /^\[/)
+       {
+           s/^\[.*]\s*//;
+            print OUTFILE "../$_.h\n";
+           push @temp_headers, "../$_.h";
+           $gettext_code = &TextFile_DetermineEncoding ("../$_.h") if ($gettext_support_nonascii and not 
defined $forced_gettext_code);
+       }
+       else
+       {
+            print OUTFILE "$SRCDIR/../$_\n";
+           $gettext_code = &TextFile_DetermineEncoding ("$SRCDIR/../$_") if ($gettext_support_nonascii and 
not defined $forced_gettext_code);
+       }
+
+       next if (! $gettext_support_nonascii);
+
+       if (defined $forced_gettext_code)
+       {
+           $encoding=$forced_gettext_code;
+       }
+       elsif (defined $gettext_code and "$encoding" ne "$gettext_code")
+       {
+           if ($encoding eq "ASCII")
+           {
+               $encoding=$gettext_code;
+           }
+           elsif ($gettext_code ne "ASCII")
+           {
+               # Only report once because the message is quite long
+               if (! $encoding_problem_is_reported)
+               {
+                   print STDERR "WARNING: You should use the same file encoding for all your project 
files,\n".
+                                "         but $PROGRAM thinks that most of the source files are in\n".
+                                "         $encoding encoding, while \"$_\" is (likely) in\n".
+                                "         $gettext_code encoding. If you are sure that all translatable 
strings\n".
+                                "         are in same encoding (say UTF-8), please *prepend* the 
following\n".
+                                "         line to POTFILES.in:\n\n".
+                                "                 [encoding: UTF-8]\n\n".
+                                "         and make sure that configure.in/ac checks for $PACKAGE >= 0.27 
.\n".
+                                "(such warning message will only be reported once.)\n";
+                   $encoding_problem_is_reported = 1;
+               }
+           }
+       }
+    }
+
+    close OUTFILE;
+    close INFILE;
+
+    unlink "$MODULE.pot";
+    my @xgettext_argument=("$XGETTEXT",
+                          "--add-comments",
+                          "--directory\=.",
+                           "--default-domain\=$MODULE",
+                           "--flag\=g_strdup_printf:1:c-format",
+                           "--flag\=g_string_printf:2:c-format",
+                           "--flag\=g_string_append_printf:2:c-format",
+                           "--flag\=g_error_new:3:c-format",
+                           "--flag\=g_set_error:4:c-format",
+                           "--flag\=g_markup_printf_escaped:1:c-format",
+                           "--flag\=g_log:3:c-format",
+                           "--flag\=g_print:1:c-format",
+                           "--flag\=g_printerr:1:c-format",
+                           "--flag\=g_printf:1:c-format",
+                           "--flag\=g_fprintf:2:c-format",
+                           "--flag\=g_sprintf:2:c-format",
+                           "--flag\=g_snprintf:3:c-format",
+                           "--flag\=g_scanner_error:2:c-format",
+                           "--flag\=g_scanner_warn:2:c-format",
+                          "--output\=$MODULE\.pot",
+                          "--files-from\=\.\/POTFILES\.in\.temp");
+    my $XGETTEXT_KEYWORDS = &FindPOTKeywords;
+    push @xgettext_argument, $XGETTEXT_KEYWORDS;
+    my $MSGID_BUGS_ADDRESS = &FindMakevarsBugAddress;
+    push @xgettext_argument, "--msgid-bugs-address\=\"$MSGID_BUGS_ADDRESS\"" if $MSGID_BUGS_ADDRESS;
+    push @xgettext_argument, "--from-code\=$encoding" if ($gettext_support_nonascii);
+    push @xgettext_argument, $XGETTEXT_ARGS if $XGETTEXT_ARGS;
+    my $xgettext_command = join ' ', @xgettext_argument;
+
+    # intercept xgettext error message
+    print "Running $xgettext_command\n" if $VERBOSE;
+    my $xgettext_error_msg = `$xgettext_command 2>\&1`;
+    my $command_failed = $?;
+
+    unlink "POTFILES.in.temp";
+
+    print "Removing generated header (.h) files..." if $VERBOSE;
+    unlink foreach (@temp_headers);
+    print "done.\n" if $VERBOSE;
+
+    if (! $command_failed)
+    {
+       if (! -e "$MODULE.pot")
+       {
+           print "None of the files in POTFILES.in contain strings marked for translation.\n" if $VERBOSE;
+       }
+       else
+       {
+           print "Wrote $MODULE.pot\n" if $VERBOSE;
+       }
+    }
+    else
+    {
+       if ($xgettext_error_msg =~ /--from-code/)
+       {
+            my $errlocation = "unknown";
+
+            if ($xgettext_error_msg =~ /Non-ASCII string at (.*)\..*/)
+            {
+                $errlocation = $1;
+            }
+            print STDERR "ERROR: xgettext failed to generate PO tempalte file because the following     \n".
+                         "       file contains strings marked for translation, not encoded in UTF-8.    \n".
+                         "       Please ensure all strings marked for translation are UTF-8 encoded.  \n\n".
+                         "           $errlocation\n\n";
+       }
+       else
+       {
+           print STDERR "$xgettext_error_msg";
+           if (-e "$MODULE.pot")
+           {
+               # is this possible?
+               print STDERR "ERROR: xgettext failed but still managed to generate PO template file.\n".
+                            "       Please consult error message above if there is any.\n";
+           }
+           else
+           {
+               print STDERR "ERROR: xgettext failed to generate PO template file. Please consult\n".
+                            "       error message above if there is any.\n";
+           }
+       }
+       exit (1);
+    }
+}
+
+sub POFile_Update
+{
+    -f "$MODULE.pot" or die "$PROGRAM: $MODULE.pot does not exist.\n";
+
+    my $MSGMERGE = $ENV{"MSGMERGE"} || "msgmerge";
+    my ($lang, $outfile) = @_;
+
+    if (! isGNUGettextTool ("$MSGMERGE"))
+    {
+       print STDERR " *** GNU msgmerge is not found on this system!\n".
+                    " *** Without it, intltool-update can not extract strings.\n";
+       exit;
+    }
+
+    print "Merging $SRCDIR/$lang.po with $MODULE.pot..." if $VERBOSE;
+
+    my $infile = "$SRCDIR/$lang.po";
+    $outfile = "$SRCDIR/$lang.po" if ($outfile eq "");
+
+    # I think msgmerge won't overwrite old file if merge is not successful
+    system ("$MSGMERGE", "-o", $outfile, $infile, "$MODULE.pot");
+}
+
+sub Console_WriteError_NotExisting
+{
+    my ($file) = @_;
+
+    ## Report error if supplied language file is non-existing
+    print STDERR "$PROGRAM: $file does not exist!\n";
+    print STDERR "Try '$PROGRAM --help' for more information.\n";
+    exit;
+}
+
+sub GatherPOFiles
+{
+    my @po_files = glob ("./*.po");
+
+    @languages = map (&POFile_GetLanguage, @po_files);
+
+    foreach my $lang (@languages)
+    {
+       $po_files_by_lang{$lang} = shift (@po_files);
+    }
+}
+
+sub POFile_GetLanguage ($)
+{
+    s/^(.*\/)?(.+)\.po$/$2/;
+    return $_;
+}
+
+sub Console_Write_TranslationStatus
+{
+    my ($lang, $output_file) = @_;
+    my $MSGFMT = $ENV{"MSGFMT"} || "msgfmt";
+
+    if (! isGNUGettextTool ("$MSGFMT"))
+    {
+       print STDERR " *** GNU msgfmt is not found on this system!\n".
+                    " *** Without it, intltool-update can not extract strings.\n";
+       exit;
+    }
+
+    $output_file = "$SRCDIR/$lang.po" if ($output_file eq "");
+
+    system ("$MSGFMT", "-o", "$devnull", "--verbose", $output_file);
+}
+
+sub Console_Write_CoverageReport
+{
+    my $MSGFMT = $ENV{"MSGFMT"} || "msgfmt";
+
+    if (! isGNUGettextTool ("$MSGFMT"))
+    {
+       print STDERR " *** GNU msgfmt is not found on this system!\n".
+                    " *** Without it, intltool-update can not extract strings.\n";
+       exit;
+    }
+
+    &GatherPOFiles;
+
+    foreach my $lang (@languages)
+    {
+       print STDERR "$lang: ";
+       &POFile_Update ($lang, "");
+    }
+
+    print STDERR "\n\n * Current translation support in $MODULE \n\n";
+
+    foreach my $lang (@languages)
+    {
+       print STDERR "$lang: ";
+       system ("$MSGFMT", "-o", "$devnull", "--verbose", "$SRCDIR/$lang.po");
+    }
+}
+
+sub SubstituteVariable
+{
+    my ($str) = @_;
+
+    # always need to rewind file whenever it has been accessed
+    seek (CONF, 0, 0);
+
+    # cache each variable. varhash is global to we can add
+    # variables elsewhere.
+    while (<CONF>)
+    {
+       if (/^(\w+)=(.*)$/)
+       {
+           ($varhash{$1} = $2) =~  s/^["'](.*)["']$/$1/;
+       }
+    }
+
+    if ($str =~ /^(.*)\${?([A-Z_]+)}?(.*)$/)
+    {
+       my $rest = $3;
+       my $untouched = $1;
+       my $sub = "";
+        # Ignore recursive definitions of variables
+        $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\${?$2}?/;
+
+       return SubstituteVariable ("$untouched$sub$rest");
+    }
+
+    # We're using Perl backticks ` and "echo -n" here in order to
+    # expand any shell escapes (such as backticks themselves) in every variable
+    return echo_n ($str);
+}
+
+sub CONF_Handle_Open
+{
+    my $base_dirname = getcwd();
+    $base_dirname =~ s@.*/@@;
+
+    my ($conf_in, $src_dir);
+
+    if ($base_dirname =~ /^po(-.+)?$/)
+    {
+       if (-f "Makevars")
+       {
+           my $makefile_source;
+
+           local (*IN);
+           open (IN, "<Makevars") || die "can't open Makevars: $!";
+
+           while (<IN>)
+           {
+               if (/^top_builddir[ \t]*=/)
+               {
+                   $src_dir = $_;
+                   $src_dir =~ s/^top_builddir[ \t]*=[ \t]*([^ \t\n\r]*)/$1/;
+
+                   chomp $src_dir;
+                    if (-f "$src_dir" . "/configure.ac") {
+                        $conf_in = "$src_dir" . "/configure.ac" . "\n";
+                    } else {
+                        $conf_in = "$src_dir" . "/configure.in" . "\n";
+                    }
+                   last;
+               }
+           }
+           close IN;
+
+           $conf_in || die "Cannot find top_builddir in Makevars.";
+       }
+       elsif (-f "$SRCDIR/../configure.ac")
+       {
+           $conf_in = "$SRCDIR/../configure.ac";
+       }
+       elsif (-f "$SRCDIR/../configure.in")
+       {
+           $conf_in = "$SRCDIR/../configure.in";
+       }
+       else
+       {
+           my $makefile_source;
+
+           local (*IN);
+           open (IN, "<Makefile") || return;
+
+           while (<IN>)
+           {
+               if (/^top_srcdir[ \t]*=/)
+               {
+                   $src_dir = $_;
+                   $src_dir =~ s/^top_srcdir[ \t]*=[ \t]*([^ \t\n\r]*)/$1/;
+
+                   chomp $src_dir;
+                   $conf_in = "$src_dir" . "/configure.in" . "\n";
+
+                   last;
+               }
+           }
+           close IN;
+
+           $conf_in || die "Cannot find top_srcdir in Makefile.";
+       }
+
+       open (CONF, "<$conf_in");
+    }
+    else
+    {
+       print STDERR "$PROGRAM: Unable to proceed.\n" .
+                    "Make sure to run this script inside the po directory.\n";
+       exit;
+    }
+}
+
+sub FindPackageName
+{
+    my $version;
+    my $domain = &FindMakevarsDomain;
+    my $name = $domain || "untitled";
+    my $bugurl;
+
+    &CONF_Handle_Open;
+
+    my $conf_source; {
+       local (*IN);
+       open (IN, "<&CONF") || return $name;
+       seek (IN, 0, 0);
+       local $/; # slurp mode
+       $conf_source = <IN>;
+       close IN;
+    }
+
+    # priority for getting package name:
+    # 1. GETTEXT_PACKAGE
+    # 2. first argument of AC_INIT (with >= 2 arguments)
+    # 3. first argument of AM_INIT_AUTOMAKE (with >= 2 argument)
+
+    # /^AM_INIT_AUTOMAKE\([\s\[]*([^,\)\s\]]+)/m
+    # the \s makes this not work, why?
+    if ($conf_source =~ /^AM_INIT_AUTOMAKE\(([^,\)]+),([^,\)]+)/m)
+    {
+       ($name, $version) = ($1, $2);
+       $name    =~ s/[\[\]\s]//g;
+       $version =~ s/[\[\]\s]//g;
+       $name    =~ s/\(+$//g;
+       $version =~ s/\(+$//g;
+
+       $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\${?AC_PACKAGE_NAME}?/);
+       $varhash{"PACKAGE"} = $name if (not $name =~ /\${?PACKAGE}?/);
+       $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\${?AC_PACKAGE_VERSION}?/);
+       $varhash{"VERSION"} = $version if (not $name =~ /\${?VERSION}?/);
+    }
+
+    if ($conf_source =~ /^AC_INIT\(([^,\)]+),([^,\)]+)[,]?([^,\)]+)?/m)
+    {
+       ($name, $version) = ($1, $2);
+        $bugurl = $3 if (defined $3);
+
+        # Handle m4_esyscmd / m4_esyscmd_s
+        # FIXME: We should do this in a more generic way that works for all vars
+        if ($version =~ /m4_esyscmd(_s)?\([\[]?([^\)\]]+)/)
+        {
+            my $cwd = getcwd ();
+            chdir ("$SRCDIR/..");
+            $version = qx($1);
+            chdir ($cwd);
+        }
+
+
+       $name    =~ s/[\[\]\s]//g;
+       $version =~ s/[\[\]\s]//g;
+        $bugurl  =~ s/[\[\]\s]//g if (defined $bugurl);
+       $name    =~ s/\(+$//g;
+       $version =~ s/\(+$//g;
+        $bugurl  =~ s/\(+$//g if (defined $bugurl);
+
+       $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\${?AC_PACKAGE_NAME}?/);
+       $varhash{"PACKAGE"} = $name if (not $name =~ /\${?PACKAGE}?/);
+       $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\${?AC_PACKAGE_VERSION}?/);
+       $varhash{"VERSION"} = $version if (not $name =~ /\${?VERSION}?/);
+        $varhash{"PACKAGE_BUGREPORT"} = $bugurl if (defined $bugurl and not $bugurl =~ /\${?\w+}?/);
+    }
+
+    # \s makes this not work, why?
+    $name = $1 if $conf_source =~ /^GETTEXT_PACKAGE=\[?([^\n\]]+)/m;
+
+    # m4 macros AC_PACKAGE_NAME, AC_PACKAGE_VERSION etc. have same value
+    # as corresponding $PACKAGE_NAME, $PACKAGE_VERSION etc. shell variables.
+    $name =~ s/\bAC_PACKAGE_/\$PACKAGE_/g;
+
+    $name = $domain if $domain;
+
+    $name = SubstituteVariable ($name);
+    $name =~ s/^["'](.*)["']$/$1/;
+
+    return $name if $name;
+}
+
+
+sub FindPOTKeywords
+{
+
+    my $keywords = "--keyword=_ --keyword=N_ --keyword=C_:1c,2 --keyword=NC_:1c,2 --keyword=Q_ 
--keyword=g_dgettext:2 --keyword=g_dngettext:2,3 --keyword=g_dpgettext:2 --keyword=g_dpgettext2=2c,3";
+    my $varname = "XGETTEXT_OPTIONS";
+    my $make_source; {
+       local (*IN);
+       open (IN, "<Makevars") || (open(IN, "<Makefile.in.in") && ($varname = "XGETTEXT_KEYWORDS")) || return 
$keywords;
+       seek (IN, 0, 0);
+       local $/; # slurp mode
+       $make_source = <IN>;
+       close IN;
+    }
+
+    # unwrap lines split with a trailing \
+    $make_source =~  s/\\ $ \n/ /mxg;
+    $keywords = $1 if $make_source =~ /^$varname[ ]*=\[?([^\n\]]+)/m;
+
+    return $keywords;
+}
+
+sub FindMakevarsDomain
+{
+
+    my $domain = "";
+    my $makevars_source; {
+       local (*IN);
+       open (IN, "<Makevars") || return $domain;
+       seek (IN, 0, 0);
+       local $/; # slurp mode
+       $makevars_source = <IN>;
+       close IN;
+    }
+
+    $domain = $1 if $makevars_source =~ /^DOMAIN[ ]*=\[?([^\n\]\$]+)/m;
+    $domain =~ s/^\s+//;
+    $domain =~ s/\s+$//;
+
+    return $domain;
+}
+
+sub FindMakevarsBugAddress
+{
+
+    my $address = "";
+    my $makevars_source; {
+       local (*IN);
+       open (IN, "<Makevars") || return undef;
+       seek (IN, 0, 0);
+       local $/; # slurp mode
+       $makevars_source = <IN>;
+       close IN;
+    }
+
+    $address = $1 if $makevars_source =~ /^MSGID_BUGS_ADDRESS[ ]*=\[?([^\n\]\$]+)/m;
+    $address =~ s/^\s+//;
+    $address =~ s/\s+$//;
+
+    return $address;
+}



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