1#!/usr/bin/perl
2#
3# Copyright (c) 2010 Apple Inc. All rights reserved.
4#
5# @APPLE_OSREFERENCE_LICENSE_HEADER_START@
6#
7# This file contains Original Code and/or Modifications of Original Code
8# as defined in and that are subject to the Apple Public Source License
9# Version 2.0 (the 'License'). You may not use this file except in
10# compliance with the License. The rights granted to you under the License
11# may not be used to create, or enable the creation or redistribution of,
12# unlawful or unlicensed copies of an Apple operating system, or to
13# circumvent, violate, or enable the circumvention or violation of, any
14# terms of an Apple operating system software license agreement.
15#
16# Please obtain a copy of the License at
17# http://www.opensource.apple.com/apsl/ and read it before using this file.
18#
19# The Original Code and all software distributed under the License are
20# distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
21# EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
22# INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
23# FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
24# Please see the License for the specific language governing rights and
25# limitations under the License.
26#
27# @APPLE_OSREFERENCE_LICENSE_HEADER_END@
28#
29
30use warnings;
31use strict;
32
33use Data::Dumper;
34use File::Spec;
35use IO::File;
36use File::Basename ();
37
38my $basename = File::Basename::basename($0);
39
40sub usage {
41	print "$basename: <source list> <output archive>";
42	exit 1;
43}
44
45usage unless scalar(@ARGV) == 2;
46
47my $sourceList = $ARGV[0];
48my $outputFile = $ARGV[1];
49
50my $f = IO::File->new($sourceList, 'r');
51die "$basename: $sourceList: $!\n" unless defined($f);
52
53my @objects;
54my @archs = split / /, $ENV{"ARCHS"};
55my @sources = <$f>;
56chomp @sources;
57
58undef $f;
59
60# compiler options
61chomp(my $CC = `xcrun -sdk "$ENV{'SDKROOT'}" -find cc`);
62my @CFLAGS = (
63	"-x assembler-with-cpp",
64	"-c",
65	"-isysroot", $ENV{'SDKROOT'} || "/",
66	"-I".$ENV{"SDKROOT"}."/System/Library/Frameworks/System.framework/PrivateHeaders",
67);
68
69chomp(my $LIBTOOL = `xcrun -sdk "$ENV{'SDKROOT'}" -find libtool`);
70my @LIBTOOLFLAGS = (
71	"-static",
72);
73
74# architectures
75for my $arch (@archs) {
76	push(@CFLAGS, "-arch $arch");
77}
78
79# do each compile
80my $jobs = `sysctl -n hw.ncpu` + 2;
81
82for my $src (@sources) {
83	if ($jobs == 0) {
84		if (wait != -1) {
85			$jobs++;
86		} else {
87			printf "wait exited with -1 (no children) and exhausted allowed jobs. Exiting.\n";
88			exit 1;
89		}
90
91		if ($? != 0) {
92			printf "$CC exited with value %d\n", $? >> 8;
93			exit 1;
94		}
95	}
96
97	(my $o = $src) =~ s/\.s$/\.o/;
98	my $compileCommand = "$CC " . join(' ', @CFLAGS) . " -o $o $src";
99	printf $compileCommand . "\n";
100
101	$jobs--;
102	my $pid = fork();
103	if ($pid == 0) {
104		exec($compileCommand);
105	}
106	push(@objects, $o);
107}
108
109while (wait != -1) {
110	if ($? != 0) {
111		printf "$CC exited with value %d\n", $? >> 8;
112		exit 1;
113	}
114}
115
116printf "Finished assembly, beginning link.\n";
117
118# final link
119
120if (-f $outputFile) {
121	unlink($outputFile);
122}
123
124my $linkCommand = "$LIBTOOL " . join(' ', @LIBTOOLFLAGS) . " -o $outputFile " . join(' ', @objects);
125
126printf $linkCommand . "\n";
127system($linkCommand);
128if ($? != 0) {
129	print "$LIBTOOL exited with value %d\n", $? >> 8;
130	exit 1;
131}
132