--- a/hotspot/src/share/vm/utilities/yieldingWorkgroup.cpp	Fri Jan 18 05:33:32 2013 -0800
+++ b/hotspot/src/share/vm/utilities/yieldingWorkgroup.cpp	Wed Jan 23 13:02:39 2013 -0500
@@ -23,9 +23,10 @@
  */
 
 #include "precompiled.hpp"
-#ifndef SERIALGC
+#include "utilities/macros.hpp"
+#if INCLUDE_ALL_GCS
 #include "utilities/yieldingWorkgroup.hpp"
-#endif
+#endif // INCLUDE_ALL_GCS
 
 // Forward declaration of classes declared here.