build_runtime_osx.pl

use lib ('.', "../../Tools/perl_lib","perl_lib");
use Cwd;
use File::Path;
use Getopt::Long;
use Tools qw(InstallNameTool);

my $root = getcwd();
my $skipbuild=0;
my $debug = 0;
my $minimal = 0;
my $iphone_simulator = 0;
my $macversion = "10.4";
my $sdkversion = "10.4u";

GetOptions(
   "skipbuild=i"=>\$skipbuild,
   "debug=i"=>\$debug,
   "minimal=i"=>\$minimal,
   "iphone_simulator=i"=>\$iphone_simulator
) or die ("illegal cmdline options");

my $arch;
my $uname = `uname -p`;
if ($uname =~ /powerpc/)
{
  $arch = "ppc";
}
else
{
  $arch = "i386";
}
print "Building for architecture: $arch\n";

my $teamcity=0;
if ($ENV{UNITY_THISISABUILDMACHINE})
{
	print "rmtree-ing $root/builds because we're on a buildserver, and want to make sure we don't include old artifacts\n";
	rmtree("$root/builds");
	$teamcity=1;
} else {
	print "not rmtree-ing $root/builds, as we're not on a buildmachine";
	if (($debug==0) && ($skipbuild==0))
	{
		print "\n\nARE YOU SURE YOU DONT WANT TO MAKE A DEBUG BUILD?!?!?!!!!!\n\n\n";
	}
}

#libtarget depends on the arch, as we can just link to a ppc dylib and to an i386 dylib and all is fine.
#bin does not depend on the arch, because we need a mono executable that is a universal binary. Unfortunattely
#we cannot create a mono universal binary, so we have to lipo that up in a teamcity buildstep

my $bintarget = "$root/builds/monodistribution/bin";
my $libtarget = "$root/builds/embedruntimes/osx";

if ($minimal)
{
	$libtarget = "$root/builds/embedruntimes/osx-minimal";
}
print("libtarget: $libtarget\n");

system("rm $bintarget/mono");
system("rm $libtarget/libmono.0.dylib");
system("rm -rf $libtarget/libmono.0.dylib.dSYM");

if (not $skipbuild)
{
	#rmtree($bintarget);
	#rmtree($libtarget);

	#we need to manually set the compiler to gcc4, because the 10.4 sdk only shipped with the gcc4 headers
	#their setup is a bit broken as they dont autodetect this, but basically the gist is if you want to copmile
	#against the 10.4 sdk, you better use gcc4, otherwise things go boink.
	unless ($ENV{CC})
	{
		$ENV{CC} = "gcc-4.0";
	}
	unless ($ENV{CXX})
	{
		$ENV{CXX} = "gcc-4.0";
	}

	if ($debug)
	{
		$ENV{CFLAGS} = "-g -O0 -DMONO_DISABLE_SHM=1";
	} else
	{
		$ENV{CFLAGS} = "-Os -DMONO_DISABLE_SHM=1"  #optimize for size
	}

	if ($iphone_simulator)
	{
		$ENV{CFLAGS} = "-DTARGET_IPHONE_SIMULATOR -g -O0";
		$macversion = "10.5";
		$sdkversion = "10.5";
	}
	
	#this will fail on a fresh working copy, so don't die on it.
	system("make distclean");
	#were going to tell autogen to use a specific cache file, that we purposely remove before starting.
        #that way, autogen is forced to do all its config stuff again, which should make this buildscript
        #more robust if other targetplatforms have been built from this same workincopy
        system("rm osx.cache");

	chdir("$root/eglib") eq 1 or die ("Failed chdir 1");
	
	#this will fail on a fresh working copy, so don't die on it.
	system("make distclean");
	system("autoreconf -i") eq 0 or die ("Failed autoreconfing eglib");
	chdir("$root") eq 1 or die ("failed to chdir 2");
	system("autoreconf -i") eq 0 or die ("Failed autoreconfing mono");
	my @autogenparams = ();
	unshift(@autogenparams, "--cache-file=osx.cache");
	unshift(@autogenparams, "--disable-mcs-build");
	unshift(@autogenparams, "--with-glib=embedded");
	if (!$iphone_simulator)
	{
		unshift(@autogenparams, "--with-macversion=$macversion");
	}
	unshift(@autogenparams, "--disable-nls");  #this removes the dependency on gettext package

	# From Massi: I was getting failures in install_name_tool about space
	# for the commands being too small, and adding here things like
	# $ENV{LDFLAGS} = '-headerpad_max_install_names' and
	# $ENV{LDFLAGS} = '-headerpad=0x40000' did not help at all (and also
	# adding them to our final gcc invocation to make the bundle).
	# Lucas noticed that I was lacking a Mono prefix, and having a long
	# one would give us space, so here is this silly looong prefix.
	unshift(@autogenparams, "--prefix=/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890/1234567890");

	if ($minimal)
	{
		unshift(@autogenparams,"--enable-minimal=aot,logging,com,profiler,debug");
	}

	print("\n\n\n\nCalling configure with these parameters: ");
	system("echo", @autogenparams);
	print("\n\n\n\n\n");
	system("calling ./configure",@autogenparams);
	system("./configure", @autogenparams) eq 0 or die ("failing configuring mono");

	system("make clean") eq 0 or die ("failed make cleaning");
	if ($iphone_simulator)
	{
		system("perl -pi -e 's/#define HAVE_STRNDUP 1//' eglib/config.h");
	}
	system("make") eq 0 or die ("failing runnig make for mono");
}

chdir($root);

mkpath($bintarget);
mkpath($libtarget);

my $cmdline = "gcc -arch $arch -bundle -reexport_library mono/mini/.libs/libmono.a -isysroot /Developer/SDKs/MacOSX$sdkversion.sdk -mmacosx-version-min=$macversion -all_load -liconv -o $libtarget/MonoBundleBinary";


if (!$iphone_simulator)
{
	print "About to call this cmdline to make a bundle:\n$cmdline\n";
	system($cmdline) eq 0 or die("failed to link libmono.a into mono bundle");

	print "Symlinking libmono.dylib\n";
	system("ln","-f", "$root/mono/mini/.libs/libmono.0.dylib","$libtarget/libmono.0.dylib") eq 0 or die ("failed symlinking libmono.0.dylib");

	print "Symlinking libmono.a\n";
	system("ln", "-f", "$root/mono/mini/.libs/libmono.a","$libtarget/libmono.a") eq 0 or die ("failed symlinking libmono.a");

	if (($arch eq 'i386') and (not $ENV{"UNITY_THISISABUILDMACHINE"}))
	{
		system("ln","-fs", "$root/mono/mini/.libs/libmono.0.dylib.dSYM","$libtarget/libmono.0.dylib.dSYM") eq 0 or die ("failed symlinking libmono.0.dylib.dSYM");
	}
 
if ($ENV{"UNITY_THISISABUILDMACHINE"})
{
#	system("strip $libtarget/libmono.0.dylib") eq 0 or die("failed to strip libmono");
#	system("strip $libtarget/MonoBundleBinary") eq 0 or die ("failed to strip MonoBundleBinary");
	system("echo \"mono-runtime-osx = $ENV{'BUILD_VCS_NUMBER'}\" > $root/builds/versions.txt");
}

InstallNameTool("$libtarget/libmono.0.dylib", "\@executable_path/../Frameworks/MonoEmbedRuntime/osx/libmono.0.dylib");

system("ln","-f","$root/mono/mini/mono","$bintarget/mono") eq 0 or die("failed symlinking mono executable");
system("ln","-f","$root/mono/metadata/pedump","$bintarget/pedump") eq 0 or die("failed symlinking pedump executable");
}