add boost on mac

macx64/include/boost/coroutine/detail/flags.hpp

@@ -0,0 +1,47 @@
+
+//          Copyright Oliver Kowalke 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)
+
+#ifndef BOOST_COROUTINES_DETAIL_FLAGS_H
+#define BOOST_COROUTINES_DETAIL_FLAGS_H
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace coroutines {
+namespace detail {
+
+enum flag_t
+{
+    flag_started        = 1 << 1,
+    flag_running        = 1 << 2,
+    flag_complete       = 1 << 3,
+    flag_unwind_stack   = 1 << 4,
+    flag_force_unwind   = 1 << 5
+};
+
+struct unwind_t
+{
+    enum flag_t
+    { force_unwind = 1 };
+};
+
+struct synthesized_t
+{
+    enum flag_t
+    { syntesized = 1 };
+};
+
+}}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_COROUTINES_DETAIL_FLAGS_H