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#! /usr/bin/env perl
# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
use lib '.';
use configdata;
use File::Compare qw(compare_text);
my $buildfile = $config{build_file};
my $buildfile_new = "$buildfile.$$";
my $depext = $target{dep_extension} || ".d";
my @deps =
grep { print STDERR "$_ exists: ", -f $_ ? "yes" : "no", "\n"; -f $_ }
map { (my $x = $_) =~ s|\.o$|$depext|; $x; }
grep { $unified_info{sources}->{$_}->[0] =~ /\.cc?$/ }
keys %{$unified_info{sources}};
print STDERR "\@deps = ( ", join(", ", @deps), " )\n";
open IBF, $buildfile or die "Trying to read $buildfile: $!\n";
open OBF, '>', $buildfile_new or die "Trying to write $buildfile_new: $!\n";
while (<IBF>) {
$force_rewrite = 0;
last if /^# DO NOT DELETE THIS LINE/;
print OBF or die "$!\n";
$force_rewrite = 1;
}
close IBF;
print OBF "# DO NOT DELETE THIS LINE -- make depend depends on it.\n";
foreach (@deps) {
open IBF,$_ or die "Trying to read $_: $!\n";
while (<IBF>) {
print OBF or die "$!\n";
}
close IBF;
}
close OBF;
if (compare_text($buildfile_new, $buildfile) != 0) {
rename $buildfile_new, $buildfile
or die "Trying to rename $buildfile_new -> $buildfile: $!\n";
}
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