--- old/src/share/vm/shark/llvmHeaders.hpp	2010-11-16 18:21:26.000000000 +0100
+++ new/src/share/vm/shark/llvmHeaders.hpp	2010-11-16 18:21:26.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2008, 2009, 2010 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -23,6 +23,9 @@
  *
  */
 
+#ifndef SHARE_VM_SHARK_LLVMHEADERS_HPP
+#define SHARE_VM_SHARK_LLVMHEADERS_HPP
+
 #ifdef assert
   #undef assert
 #endif
@@ -93,3 +96,5 @@
   #define DEBUG
   #undef SHARK_DEBUG
 #endif
+
+#endif // SHARE_VM_SHARK_LLVMHEADERS_HPP