зеркало из https://github.com/mozilla/gecko-dev.git
306 строки
8.7 KiB
Perl
Executable File
306 строки
8.7 KiB
Perl
Executable File
#! /usr/bin/env perl
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozilla.org code.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 1999
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either of the GNU General Public License Version 2 or later (the "GPL"),
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# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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# make-makefiles - Quickly create Makefiles for subdirectories.
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# Also, creates any needed subdirectories.
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#
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# usage: make-makefiles [ -t <topsrcdir> -p <print_topsrcdir> -d <depth> ] [ <subdir> | <subdir>/Makefile ] ...
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# Send comments, improvements, bugs to Steve Lamm (slamm@netscape.com).
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#$debug = 1;
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# Determine various tree path variables
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#
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($topsrcdir, $ptopsrcdir, $depth, @makefiles) = parse_arguments(@ARGV);
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$object_fullpath = `pwd`;
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chdir $depth;
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$object_root = `pwd`;
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chomp $object_fullpath;
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chomp $object_root;
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# $source_subdir is the path from the object root to where
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# 'make-makefile' was called. For example, if make-makefile was
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# called from "mozilla/gfx/src", then $source_subdir would be
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# "gfx/src/".
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$source_subdir = "$object_fullpath/";
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my $quoted_object_root = quotemeta($object_root);
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$source_subdir =~ s|^$quoted_object_root/||;
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# Prefix makefiles with $source_subdir so that paths
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# will be relative to the top of the object tree.
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#
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for $makefile (@makefiles) {
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$makefile = "$source_subdir$makefile";
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}
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create_directories(@makefiles);
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# Find the path to the source directory based on how 'make-makefile'
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# was invoked. The path is either relative to the object directory
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# or an absolute path.
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$given_srcdir = find_srcdir($topsrcdir, $depth);
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$pgiven_srcdir = find_srcdir($ptopsrcdir, $depth);
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if ($debug) {
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warn "object_fullpath = $object_fullpath\n";
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warn "object_root = $object_root\n";
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warn "source_subdir = $source_subdir\n";
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warn "makefiles = @makefiles\n";
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warn "given_srcdir = $given_srcdir\n";
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}
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@unhandled = update_makefiles($given_srcdir, $pgiven_srcdir, @makefiles);
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run_config_status(@unhandled);
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# end of Main
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############################################################
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sub dirname {
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return $_[0] =~ /(.*)\/.*/ ? "$1" : '.';
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}
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# find_depth: Pull the value of DEPTH out of a Makefile (or Makefile.in)
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sub find_depth {
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my $depth = '';
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open(MAKEFILE, "<$_[0]") || die "Unable to open $_[0]: $!\n";
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while (<MAKEFILE>) {
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next unless /^DEPTH\s*=\s*(\..*)/;
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$depth = $1;
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last;
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}
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close MAKEFILE;
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return $depth;
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}
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sub parse_arguments {
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my @args = @_;
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my $depth = '';
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my $topsrcdir = '';
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my $ptopsrcdir;
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my @makefiles = ();
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while (1) {
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if ($args[0] eq '-d') {
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$depth = $args[1];
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shift @args;
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shift @args;
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} elsif ($args[0] eq '-t') {
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$topsrcdir = $args[1];
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shift @args;
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shift @args;
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} elsif ($args[0] eq '-p') {
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$ptopsrcdir = $args[1];
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shift @args;
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shift @args;
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} else {
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last;
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}
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}
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if ($topsrcdir eq '') {
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$topsrcdir = $0; # Figure out topsrcdir based on program name.
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$topsrcdir =~ s|/?build/autoconf/.*$||;
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}
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if ($ptopsrcdir eq '') {
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$ptopsrcdir = $topsrcdir;
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}
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if ($depth eq '') {
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# Use $(DEPTH) in the Makefile or Makefile.in to determine the depth
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if (-e "Makefile.in") {
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$depth = find_depth("Makefile.in");
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} elsif (-e "Makefile") {
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$depth = find_depth("Makefile");
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} elsif (-e "../Makefile") {
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$depth = "../".find_depth("../Makefile");
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$depth =~ s/\/\.$//;
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} else {
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warn "Unable to determine depth (e.g. ../..) to root of objdir tree.\n";
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die "No Makefile(.in) present. Try running with '-d <depth>'\n";
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}
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}
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# Build the list of makefiles to generate
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#
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@makefiles = ();
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my $makefile;
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foreach $makefile (@args) {
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$makefile =~ s/\.in$//;
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$makefile =~ s/\/$//;
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$makefile =~ /Makefile$/ or $makefile .= "/Makefile";
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push @makefiles, "$makefile";
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}
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@makefiles = "Makefile" unless @args;
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return ($topsrcdir, $ptopsrcdir, $depth, @makefiles);
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}
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# Create all the directories at once.
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# This can be much faster than calling mkdir() for each one.
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sub create_directories {
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my @makefiles = @_;
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my @dirs = ();
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my $ac_file;
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foreach $ac_file (@makefiles) {
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push @dirs, dirname($ac_file);
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}
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# Call mkdir with the directories sorted by subdir count (how many /'s)
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system "mkdir -p ". join(' ', map("\"$_\"", @dirs)) if @dirs;
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}
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# Find the top of the source directory
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# (Assuming that the executable is in $top_srcdir/build/autoconf)
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sub find_srcdir {
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my ($ac_given_srcdir, $depth) = @_;
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if ($debug) {
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print "ac_given_srcdir = $ac_given_srcdir\n";
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print "depth = $depth\n";
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}
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if ($ac_given_srcdir =~ /^\./ and $depth ne '.') {
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my $quoted_depth = quotemeta($depth);
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$ac_given_srcdir =~ s|^$quoted_depth/?||;
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}
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if ($debug) {
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print "ac_given_srcdir = $ac_given_srcdir\n";
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}
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$ac_given_srcdir = '.' if $ac_given_srcdir eq '';
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return $ac_given_srcdir;
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}
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# Output the makefiles.
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#
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sub update_makefiles {
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my ($ac_given_srcdir, $pac_given_srcdir, @makefiles) = @_;
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my @unhandled=();
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my $ac_file;
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foreach $ac_file (@makefiles) {
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my $ac_file_in = "$ac_given_srcdir/${ac_file}.in";
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my $ac_dir = dirname($ac_file);
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my $ac_dots = '';
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my $ac_dir_suffix = '';
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my $srcdir = '.';
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my $top_srcdir = '.';
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# Determine $srcdir and $top_srcdir
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#
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if ($ac_dir ne '.') {
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$ac_dir_suffix = "/$ac_dir";
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$ac_dir_suffix =~ s%^/\./%/%;
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$ac_dots = $ac_dir_suffix;
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$ac_dots =~ s%/[^/]*%../%g;
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}
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if ($ac_given_srcdir eq '.') {
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if ($ac_dots ne '') {
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$top_srcdir = $ac_dots;
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$top_srcdir =~ s%/$%%;
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}
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} elsif ($pac_given_srcdir =~ m%^/% or $pac_given_srcdir =~ m%^.:/%) {
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$srcdir = "$pac_given_srcdir$ac_dir_suffix";
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$top_srcdir = "$pac_given_srcdir";
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} else {
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$srcdir = "$ac_dots$ac_given_srcdir$ac_dir_suffix";
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$top_srcdir = "$ac_dots$ac_given_srcdir";
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}
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if ($debug) {
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print "ac_dir = $ac_dir\n";
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print "ac_file = $ac_file\n";
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print "ac_file_in = $ac_file_in\n";
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print "srcdir = $srcdir\n";
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print "top_srcdir = $top_srcdir\n";
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print "cwd = " . `pwd` . "\n";
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}
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# Copy the file and make substitutions.
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# @srcdir@ -> value of $srcdir
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# @top_srcdir@ -> value of $top_srcdir
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#
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if (-e $ac_file) {
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next if -M _ < -M $ac_file_in; # Next if Makefile is up-to-date.
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warn "updating $ac_file\n";
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} else {
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warn "creating $ac_file\n";
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}
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open INFILE, "<$ac_file_in" or do {
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warn "$0: Cannot read $ac_file_in: No such file or directory\n";
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next;
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};
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open OUTFILE, ">$ac_file" or do {
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warn "$0: Unable to create $ac_file\n";
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next;
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};
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while (<INFILE>) {
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#if (/\@[_a-zA-Z]*\@.*\@[_a-zA-Z]*\@/) {
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# #warn "Two defines on a line:$ac_file:$.:$_";
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# push @unhandled, $ac_file;
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# last;
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#}
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s/\@srcdir\@/$srcdir/g;
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s/\@top_srcdir\@/$top_srcdir/g;
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if (/\@[_a-zA-Z]*\@/) {
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#warn "Unknown variable:$ac_file:$.:$_";
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push @unhandled, $ac_file;
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last;
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}
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print OUTFILE;
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}
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close INFILE;
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close OUTFILE;
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}
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return @unhandled;
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}
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sub run_config_status {
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my @unhandled = @_;
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# Run config.status with any unhandled files.
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#
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if (@unhandled) {
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$ENV{CONFIG_FILES}= join ' ', @unhandled;
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system "./config.status";
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}
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}
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