diff -up boost_1_53_0/boost/static_assert.hpp\~ boost_1_53_0/boost/static_assert.hpp

--- boost_1_53_0/boost/static_assert.hpp~	2012-12-11 15:42:26.000000000 +0100

+++ boost_1_53_0/boost/static_assert.hpp	2013-07-19 14:15:59.504039071 +0200

@@ -43,6 +43,14 @@

 #else

 #  define BOOST_STATIC_ASSERT_BOOL_CAST(x) (bool)(x)

 #endif

+//

+// If the compiler warns about unused typedefs then enable this:

+//

+#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)))

+#  define BOOST_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))

+#else

+#  define BOOST_STATIC_ASSERT_UNUSED_ATTRIBUTE

+#endif

 #ifndef BOOST_NO_CXX11_STATIC_ASSERT

 #  define BOOST_STATIC_ASSERT( B ) static_assert(B, #B)

@@ -122,7 +130,8 @@ template<int x> struct static_assert_tes

 #define BOOST_STATIC_ASSERT( B ) \

    typedef ::boost::static_assert_test<\

       sizeof(::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST( B ) >)>\

-         BOOST_JOIN(boost_static_assert_typedef_, __LINE__)

+         BOOST_JOIN(boost_static_assert_typedef_, __LINE__) \

+         BOOST_STATIC_ASSERT_UNUSED_ATTRIBUTE

 #endif

 #else

Diff finished.  Fri Jul 19 14:16:04 2013