add boost on mac

macx64/include/boost/coroutine2/segmented_stack.hpp

@@ -0,0 +1,38 @@
+
+//          Copyright Oliver Kowalke 2014.
+// 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)
+
+#ifndef BOOST_COROUTINES2_SEGMENTED_H
+#define BOOST_COROUTINES2_SEGMENTED_H
+
+#include <exception>
+
+#include <boost/assert.hpp>
+#include <boost/config.hpp>
+#include <boost/context/segmented_stack.hpp>
+
+#include <boost/coroutine2/detail/coroutine.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace coroutines2 {
+
+#if defined(BOOST_USE_SEGMENTED_STACKS)
+# if ! defined(BOOST_WINDOWS)
+using segmented_stack = boost::context::segmented_stack;
+using default_stack = boost::context::default_stack;
+# endif
+#endif
+
+}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_COROUTINES2_SEGMENTED_H