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	"-I".$ENV{"SDKROOT"}."/System/Library/Frameworks/System.framework/PrivateHeaders",
66);
67
68chomp(my $LIBTOOL = `xcrun -sdk "$ENV{'SDKROOT'}" -find libtool`);
69my @LIBTOOLFLAGS = (
70	"-static",
71);
72
73# architectures
74for my $arch (@archs) {
75	push(@CFLAGS, "-arch $arch");
76}
77
78# do each compile
79my $jobs = `sysctl -n hw.ncpu` + 2;
80
81for my $src (@sources) {
82	if ($jobs == 0) {
83		if (wait != -1) {
84			$jobs++;
85		} else {
86			printf "wait exited with -1 (no children) and exhausted allowed jobs. Exiting.\n";
87			exit 1;
88		}
89
90		if ($? != 0) {
91			printf "$CC exited with value %d\n", $? >> 8;
92			exit 1;
93		}
94	}
95
96	(my $o = $src) =~ s/\.s$/\.o/;
97	my $compileCommand = "$CC " . join(' ', @CFLAGS) . " -o $o $src";
98	printf $compileCommand . "\n";
99
100	$jobs--;
101	my $pid = fork();
102	if ($pid == 0) {
103		exec($compileCommand);
104	}
105	push(@objects, $o);
106}
107
108while (wait != -1) {
109	if ($? != 0) {
110		printf "$CC exited with value %d\n", $? >> 8;
111		exit 1;
112	}
113}
114
115printf "Finished assembly, beginning link.\n";
116
117# final link
118
119if (-f $outputFile) {
120	unlink($outputFile);
121}
122
123my $linkCommand = "$LIBTOOL " . join(' ', @LIBTOOLFLAGS) . " -o $outputFile " . join(' ', @objects);
124
125printf $linkCommand . "\n";
126system($linkCommand);
127if ($? != 0) {
128	print "$LIBTOOL exited with value %d\n", $? >> 8;
129	exit 1;
130}
131