--- old/src/share/vm/opto/c2compiler.hpp	2010-11-16 18:16:39.000000000 +0100
+++ new/src/share/vm/opto/c2compiler.hpp	2010-11-16 18:16:39.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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 +22,11 @@
  *
  */
 
+#ifndef SHARE_VM_OPTO_C2COMPILER_HPP
+#define SHARE_VM_OPTO_C2COMPILER_HPP
+
+#include "compiler/abstractCompiler.hpp"
+
 class C2Compiler : public AbstractCompiler {
 private:
 
@@ -55,3 +60,5 @@
   // Print compilation timers and statistics
   void print_timers();
 };
+
+#endif // SHARE_VM_OPTO_C2COMPILER_HPP