Xcode: Suppress "Run Script" build phase warning during compiler id

    warning: Run script build phase 'Run Script' will be run during every
    build because it does not specify any outputs.

Modules/CompilerId/Xcode-3.pbxproj.in

@@ -49,6 +49,7 @@
 		};
 		2C8FEB8E15DC1A1A00E56A5D = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);