add boost on mac

macx64/include/boost/uuid/entropy_error.hpp

@@ -0,0 +1,46 @@
+//
+// Copyright (c) 2017, 2018 James E. King III
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+//   http://www.boost.org/LICENCE_1_0.txt)
+//
+// Entropy error class
+//
+
+#ifndef BOOST_UUID_RANDOM_ENTROPY_ERROR_HPP
+#define BOOST_UUID_RANDOM_ENTROPY_ERROR_HPP
+
+#include <boost/config.hpp>
+#include <boost/cstdint.hpp>
+#include <stdexcept>
+#include <string>
+
+namespace boost {
+namespace uuids {
+
+//! \brief Given boost::system::system_error is in a module that
+//!        is not header-only, we define our own exception type
+//!        to handle entropy provider errors instead,
+class BOOST_SYMBOL_VISIBLE entropy_error : public std::runtime_error
+{
+public:
+    entropy_error(boost::intmax_t errCode, const std::string& message)
+        : std::runtime_error(message)
+        , m_errcode(errCode)
+    {
+    }
+
+    virtual boost::intmax_t errcode() const
+    {
+        return m_errcode;
+    }
+
+private:
+    boost::intmax_t m_errcode;
+};
+
+} // uuids
+} // boost
+
+#endif // BOOST_UUID_RANDOM_ENTROPY_ERROR_HPP