--- old/src/share/vm/gc_implementation/shared/gcUtil.hpp	2010-11-10 13:12:37.000000000 +0100
+++ new/src/share/vm/gc_implementation/shared/gcUtil.hpp	2010-11-10 13:12:37.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,15 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCUTIL_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCUTIL_HPP
+
+#include "memory/allocation.hpp"
+#include "runtime/timer.hpp"
+#include "utilities/debug.hpp"
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/ostream.hpp"
+
 // Catch-all file for utility classes
 
 // A weighted average maintains a running, weighted average
@@ -206,3 +215,5 @@
     _timer->start();
   }
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCUTIL_HPP