d35b2c7248
Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5617)
51 lines
1.5 KiB
Perl
51 lines
1.5 KiB
Perl
#! /usr/bin/env perl
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# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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use lib '.';
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use configdata;
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use File::Compare qw(compare_text);
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my $buildfile = $config{build_file};
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my $buildfile_new = "$buildfile-$$";
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my $depext = $target{dep_extension} || ".d";
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my @deps =
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sort
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grep { -f $_ }
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map { (my $x = $_) =~ s|\.o$|$depext|; $x; }
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grep { $unified_info{sources}->{$_}->[0] =~ /\.cc?$/ }
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keys %{$unified_info{sources}};
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open IBF, $buildfile or die "Trying to read $buildfile: $!\n";
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open OBF, '>', $buildfile_new or die "Trying to write $buildfile_new: $!\n";
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while (<IBF>) {
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$force_rewrite = 0;
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last if /^# DO NOT DELETE THIS LINE/;
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print OBF or die "$!\n";
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$force_rewrite = 1;
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}
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close IBF;
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print OBF "# DO NOT DELETE THIS LINE -- make depend depends on it.\n";
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foreach (@deps) {
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open IBF,$_ or die "Trying to read $_: $!\n";
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while (<IBF>) {
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print OBF or die "$!\n";
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}
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close IBF;
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}
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close OBF;
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if (compare_text($buildfile_new, $buildfile) != 0) {
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rename $buildfile_new, $buildfile
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or die "Trying to rename $buildfile_new -> $buildfile: $!\n";
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}
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# On VMS, we want to remove all generations of this file, in case there are
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# more than one
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while (unlink $buildfile_new) {}
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