--- old/src/share/vm/code/codeBlob.hpp	2010-11-16 18:09:51.000000000 +0100
+++ new/src/share/vm/code/codeBlob.hpp	2010-11-16 18:09:50.000000000 +0100
@@ -22,6 +22,14 @@
  *
  */
 
+#ifndef SHARE_VM_CODE_CODEBLOB_HPP
+#define SHARE_VM_CODE_CODEBLOB_HPP
+
+#include "asm/codeBuffer.hpp"
+#include "compiler/oopMap.hpp"
+#include "runtime/frame.hpp"
+#include "runtime/handles.hpp"
+
 // CodeBlob - superclass for all entries in the CodeCache.
 //
 // Suptypes are:
@@ -499,3 +507,5 @@
   // Typing
   bool is_safepoint_stub() const                 { return true; }
 };
+
+#endif // SHARE_VM_CODE_CODEBLOB_HPP