add boost on mac

macx64/include/boost/graph/detail/is_distributed_selector.hpp

@@ -0,0 +1,26 @@
+// Copyright 2012 The Trustees of Indiana University.
+
+// 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)
+
+//  Authors: Jeremiah Willcock
+//           Andrew Lumsdaine
+
+// Selector to determine whether a selector is distributedS (can only be true
+// if <boost/graph/distributed/selector.hpp> has been included) so that we can
+// disable various sequential-graph-only traits specializations for distributed
+// graphs.
+
+#ifndef BOOST_GRAPH_DETAIL_IS_DISTRIBUTED_SELECTOR_HPP
+#define BOOST_GRAPH_DETAIL_IS_DISTRIBUTED_SELECTOR_HPP
+
+#include <boost/mpl/bool.hpp>
+
+namespace boost {
+  namespace detail {
+    template <typename> struct is_distributed_selector: boost::mpl::false_ {};
+  }
+}
+
+#endif // BOOST_GRAPH_DETAIL_IS_DISTRIBUTED_SELECTOR_HPP