--- old/src/cpu/x86/vm/cppInterpreterGenerator_x86.hpp	2010-10-28 13:47:32.000000000 +0200
+++ new/src/cpu/x86/vm/cppInterpreterGenerator_x86.hpp	2010-10-28 13:47:32.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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 +22,9 @@
  *
  */
 
+#ifndef CPU_X86_VM_CPPINTERPRETERGENERATOR_X86_HPP
+#define CPU_X86_VM_CPPINTERPRETERGENERATOR_X86_HPP
+
  protected:
 
 #if 0
@@ -45,3 +48,5 @@
                                           const Register prev_state,
                                           const Register sender_sp,
                                           bool native); // C++ interpreter only
+
+#endif // CPU_X86_VM_CPPINTERPRETERGENERATOR_X86_HPP