diff -urp boost_1_48_0~/boost/serialization/force_include.hpp boost_1_48_0/boost/serialization/force_include.hpp
--- boost_1_48_0~/boost/serialization/force_include.hpp	2012-01-16 16:15:14.172239515 +0100
+++ boost_1_48_0/boost/serialization/force_include.hpp	2012-01-16 16:22:14.424249130 +0100
@@ -40,11 +40,11 @@
 #   if defined(__MWERKS__)
 #       define BOOST_DLLEXPORT __declspec(dllexport)
 #   elif defined(__GNUC__) && (__GNUC__ >= 3)
-#       define BOOST_USED __attribute__ ((used))
+#       define BOOST_USED __attribute__ ((__used__))
 #   elif defined(__IBMCPP__) && (__IBMCPP__ >= 1110)
-#       define BOOST_USED __attribute__ ((used))
+#       define BOOST_USED __attribute__ ((__used__))
 #   elif defined(__INTEL_COMPILER) && (BOOST_INTEL_CXX_VERSION >= 800)
-#       define BOOST_USED __attribute__ ((used))
+#       define BOOST_USED __attribute__ ((__used__))
 #   endif
 #endif