Merge pull request #964 from Unity-Technologies/use-profile-stubber

Use the ProfileStubber utility

Author: joshpeterson

external/buildscripts/build.pl

@@ -180,6 +180,8 @@
 # abs_path ends up returning an empty string
 $externalBuildDeps = abs_path($externalBuildDeps) if (-d $externalBuildDeps);
 
+my $extraBuildTools = "$monoroot/../../mono-build-tools-extra/build";
+
 my $existingExternalMonoRoot = "$externalBuildDeps/MonoBleedingEdge";
 my $existingExternalMono = "";
 my $existingExternalMonoBinDir = "";
@@ -269,6 +271,23 @@
 		push @configureparams, "--with-monotouch=no";
 	}
 
+	if (!(-d "$extraBuildTools"))
+	{
+		# Check out on the fly
+		print(">>> Checking out mono build tools extra to : $extraBuildTools\n");
+		my $repo = '[email protected]:vm/mono-build-tools-extra.git';
+		print(">>> Cloning $repo at $extraBuildTools\n");
+		my $checkoutResult = system("git", "clone", "--recurse-submodules", $repo, "$extraBuildTools");
+
+		if ($checkoutResult ne 0)
+		{
+			die("Failed to checkout mono build tools extra\n");
+		}
+
+		# Only clean up if the dir exists.   Otherwise abs_path will return empty string
+		$extraBuildTools = abs_path($extraBuildTools) if (-d $extraBuildTools);
+	}
+
 	if ($existingMonoRootPath eq "")
 	{
 		print(">>> No existing mono supplied.  Checking for external...\n");
@@ -1415,6 +1434,13 @@
 		}
 
 		chdir("$monoroot");
+
+		my $stubResult = system("perl", "$buildscriptsdir/stub_classlibs.pl");
+
+		if ($stubResult ne 0)
+		{
+			die("Failed to run the profile stubber\n");
+		}
 	}
 }
 else

external/buildscripts/stub_classlibs.pl

@@ -0,0 +1,52 @@
+use Cwd;
+use Cwd 'abs_path';
+use File::Basename;
+use File::Path;
+
+if($^O ne "darwin")
+{
+	print ">>> The ProfileStubber is only built and run in the class library build on macOS\n";
+	exit
+}
+
+my $monoroot = File::Spec->rel2abs(dirname(__FILE__) . "/../..");
+my $monoroot = abs_path($monoroot);
+my $extraBuildTools = "$monoroot/../../mono-build-tools-extra/build";
+
+print ">>> Building the ProfileStubber utility\n";
+
+my $result = system("xbuild",
+					"$extraBuildTools/mono-build-tools-extra.sln",
+					"/p:Configuration=Release");
+
+if ($result ne 0)
+{
+	die("Failed to build ProfileStubber utility\n");
+}
+
+my $profileRoot = "tmp/lib/mono";
+my $referenceProfile = "$profileRoot/4.7.1-api";
+
+print ">>> Modifying the unityjit profile to match the .NET 4.7.1 API\n";
+
+$result = system("mono",
+					"$extraBuildTools/build/ProfileStubber.exe",
+					"--reference-profile=$referenceProfile",
+					"--stub-profile=$profileRoot/unityjit");
+
+if ($result ne 0)
+{
+	die("Failed to stub the unityjit profile\n");
+}
+
+print ">>> Modifying the unityaot profile to match the .NET 4.7.1 API\n";
+
+$result = system("mono",
+					"$extraBuildTools/build/ProfileStubber.exe",
+					"--reference-profile=$referenceProfile",
+					"--stub-profile=$profileRoot/unityaot");
+
+if ($result ne 0)
+{
+	die("Failed to stub the unityaot profile\n");
+}