add boost on mac

macx64/include/boost/random/detail/enable_warnings.hpp

@@ -0,0 +1,22 @@
+/* boost random/detail/enable_warnings.hpp header file
+ *
+ * Copyright Steven Watanabe 2009
+ * Distributed under the Boost Software License, Version 1.0. (See
+ * accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ *
+ * See http://www.boost.org for most recent version including documentation.
+ *
+ * $Id$
+ *
+ */
+
+// No #include guard.  This header is intended to be included multiple times.
+
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
+
+#if defined(BOOST_GCC) && BOOST_GCC >= 40600
+#pragma GCC diagnostic pop
+#endif