--- old/src/cpu/x86/vm/depChecker_x86.hpp	2010-11-16 18:02:58.000000000 +0100
+++ new/src/cpu/x86/vm/depChecker_x86.hpp	2010-11-16 18:02:57.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 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
@@ -22,4 +22,9 @@
  *
  */
 
+#ifndef CPU_X86_VM_DEPCHECKER_X86_HPP
+#define CPU_X86_VM_DEPCHECKER_X86_HPP
+
 // Nothing to do on i486
+
+#endif // CPU_X86_VM_DEPCHECKER_X86_HPP