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