ceph/src/boost/boost/beast/core/detail/config.hpp

   1 //
   2 // Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // Official repository: https://github.com/boostorg/beast
   8 //
   9
  10 #ifndef BOOST_BEAST_CORE_DETAIL_CONFIG_HPP
  11 #define BOOST_BEAST_CORE_DETAIL_CONFIG_HPP
  12
  13 #include <boost/config.hpp>
  14 #include <boost/version.hpp>
  15
  16 // Available to every header
  17 #include <boost/config.hpp>
  18 #include <boost/core/ignore_unused.hpp>
  19 #include <boost/static_assert.hpp>
  20
  21 /*
  22         _MSC_VER and _MSC_FULL_VER by version:
  23
  24         14.0 (2015)             1900            190023026
  25         14.0 (2015 Update 1)    1900            190023506
  26         14.0 (2015 Update 2)    1900            190023918
  27         14.0 (2015 Update 3)    1900            190024210
  28 */
  29
  30 #if defined(BOOST_MSVC)
  31 # if BOOST_MSVC_FULL_VER < 190024210
  32 #  error Beast requires C++11: Visual Studio 2015 Update 3 or later needed
  33 # endif
  34
  35 #elif defined(BOOST_GCC)
  36 # if(BOOST_GCC < 40801)
  37 #  error Beast requires C++11: gcc version 4.8 or later needed
  38 # endif
  39
  40 #else
  41 # if \
  42     defined(BOOST_NO_CXX11_DECLTYPE) || \
  43     defined(BOOST_NO_CXX11_HDR_TUPLE) || \
  44     defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) || \
  45     defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
  46 #  error Beast requires C++11: a conforming compiler is needed
  47 # endif
  48
  49 #endif
  50
  51 #if BOOST_VERSION >= 106500 || ! defined(BOOST_GCC) || BOOST_GCC < 70000
  52 # define BOOST_BEAST_FALLTHROUGH BOOST_FALLTHROUGH
  53 #else
  54 # define BOOST_BEAST_FALLTHROUGH __attribute__((fallthrough))
  55 #endif
  56
  57 #endif