add boost on mac

macx64/include/boost/stacktrace/detail/frame_noop.ipp

@@ -0,0 +1,44 @@
+// Copyright Antony Polukhin, 2016-2019.
+//
+// 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_STACKTRACE_DETAIL_FRAME_NOOP_IPP
+#define BOOST_STACKTRACE_DETAIL_FRAME_NOOP_IPP
+
+#include <boost/config.hpp>
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#   pragma once
+#endif
+
+#include <boost/stacktrace/frame.hpp>
+
+namespace boost { namespace stacktrace { namespace detail {
+
+std::string to_string(const frame* /*frames*/, std::size_t /*count*/) {
+    return std::string();
+}
+
+} // namespace detail
+
+std::string frame::name() const {
+    return std::string();
+}
+
+std::string frame::source_file() const {
+    return std::string();
+}
+
+std::size_t frame::source_line() const {
+    return 0;
+}
+
+std::string to_string(const frame& /*f*/) {
+    return std::string();
+}
+
+
+}} // namespace boost::stacktrace
+
+#endif // BOOST_STACKTRACE_DETAIL_FRAME_NOOP_IPP