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#! /usr/bin/env perl
# Copyright 2014-2025 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (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 strict;
use warnings;
my $platform = pop @ARGV;
my $cflags = join(' ', @ARGV);
$cflags =~ s(\\)(\\\\)g;
$cflags = "compiler: $cflags";
# Use the value of the envvar SOURCE_DATE_EPOCH, even if it's
# zero or the empty string.
my $date = gmtime($ENV{'SOURCE_DATE_EPOCH'} // time()) . " UTC";
print <<"END_OUTPUT";
/*
* WARNING: do not edit!
* Generated by util/mkbuildinf.pl
*
* Copyright 2014-2025 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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
*/
#define PLATFORM "platform: $platform"
#define DATE "built on: $date"
/*
* Generate compiler_flags as an array of individual characters. This is a
* workaround for the situation where CFLAGS gets too long for a C90 string
* literal
*/
static const char compiler_flags[] = {
END_OUTPUT
my $ctr = 0;
foreach my $c (split //, $cflags) {
$c =~ s|([\\'])|\\$1|;
# Max 16 characters per line
if (($ctr++ % 16) == 0) {
if ($ctr != 1) {
print "\n";
}
print " ";
}
print "'$c',";
}
print <<"END_OUTPUT";
'\\0'
};
END_OUTPUT
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