accidentally left a 'die' command :-(

build/mac/NGLayoutBuildList.pm

@@ -748,7 +748,6 @@ sub BuildIDLProjects()
 		# BuildProject(":mozilla:xpcom:typelib:xpidl:macbuild:xpidl.mcp", "build all");
 	}
 	
-	die;
 	BuildIDLProject(":mozilla:xpcom:macbuild:XPCOMIDL.mcp", 						"xpcom");
 
 	if ( $main::NECKO )