diff -ur Ice-3.4.1.old/cpp/include/Ice/Buffer.h Ice-3.4.1/cpp/include/Ice/Buffer.h
--- Ice-3.4.1.old/cpp/include/Ice/Buffer.h	2010-06-03 17:48:33.000000000 +0100
+++ Ice-3.4.1/cpp/include/Ice/Buffer.h	2011-07-20 13:20:04.000000000 +0100
@@ -11,6 +11,7 @@
 #define ICEE_BUFFER_H
 
 #include <Ice/Config.h>
+#include <cstddef>
 
 namespace IceInternal
 {