mirror of https://github.com/moparisthebest/wget
108 lines
2.4 KiB
Perl
Executable File
108 lines
2.4 KiB
Perl
Executable File
#!/usr/bin/perl
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# Generate build_info.c.
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# Copyright (C) 2009 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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use strict;
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use warnings;
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use FindBin qw($Bin);
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use File::Spec ();
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my $file = File::Spec->catfile($Bin, 'src', 'build_info.c.in');
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{
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my $data = parse_config();
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output_code($data);
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}
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sub parse_config
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{
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my (%block, @defines, %feature);
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open(my $fh, '<', $file) or die "Cannot open $file: $!";
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my $cfg = do { local $/; <$fh> };
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close($fh);
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while ($cfg =~ /^\ *? (\w+) (?:\s+?)? (\w+?)? \s*$/gmx) {
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$feature{$1} = $2 || '_MISSING';
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push @defines, $1;
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}
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while ($cfg =~ /^(\ *? \#\w+? \s+? (\w+) .+ \#\w+)/gmsx) {
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$block{$2} = $1;
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}
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my %data = (
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block => \%block,
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defines => \@defines,
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feature => \%feature,
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);
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return \%data;
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}
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sub output_code
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{
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my ($block, $defines, $feature) =
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map $_[0]->{$_}, qw(block defines feature);
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print do { local $/; <DATA> }, "\n";
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print <<EOC;
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const char* (compiled_features[]) =
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{
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EOC
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my @output;
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foreach my $define (@$defines) {
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if (!exists $block->{$define}) {
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push @output, <<EOC;
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#ifdef $define
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"+$feature->{$define}",
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#else
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"-$feature->{$define}",
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#endif
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EOC
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}
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else {
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push @output, <<EOC;
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$block->{$define}
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EOC
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}
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}
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print join "\n", @output;
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print <<EOC;
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/* sentinel value */
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NULL
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};
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EOC
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}
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__DATA__
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/* Autogenerated by build_info.pl - DO NOT EDIT */
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/* This stores global variables that are initialized with
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preprocessor declarations for output with the --version flag.
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Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. */
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#include "wget.h"
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#include <stdio.h>
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