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boost/beast/core/detail/config.hpp

//
// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// 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)
//
// Official repository: https://github.com/boostorg/beast
//

#ifndef BOOST_BEAST_CORE_DETAIL_CONFIG_HPP
#define BOOST_BEAST_CORE_DETAIL_CONFIG_HPP

#include <boost/config.hpp>
#include <boost/version.hpp>

// Available to every header
#include <boost/config.hpp>
#include <boost/core/ignore_unused.hpp>
#include <boost/static_assert.hpp>

/*
	_MSC_VER and _MSC_FULL_VER by version:

	14.0 (2015)             1900    	190023026
	14.0 (2015 Update 1)    1900    	190023506
	14.0 (2015 Update 2)    1900    	190023918
	14.0 (2015 Update 3)    1900    	190024210
*/

#if defined(BOOST_MSVC)
# if BOOST_MSVC_FULL_VER < 190024210
#  error Beast requires C++11: Visual Studio 2015 Update 3 or later needed
# endif

#elif defined(BOOST_GCC)
# if(BOOST_GCC < 40801)
#  error Beast requires C++11: gcc version 4.8 or later needed
# endif

#else
# if \
    defined(BOOST_NO_CXX11_DECLTYPE) || \
    defined(BOOST_NO_CXX11_HDR_TUPLE) || \
    defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) || \
    defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#  error Beast requires C++11: a conforming compiler is needed
# endif

#endif

#if BOOST_VERSION >= 106500 || ! defined(BOOST_GCC) || BOOST_GCC < 70000
# define BOOST_BEAST_FALLTHROUGH BOOST_FALLTHROUGH
#else
# define BOOST_BEAST_FALLTHROUGH __attribute__((fallthrough))
#endif

#endif