#ifndef BOOST_DESCRIBE_DETAIL_CONFIG_HPP_INCLUDED #define BOOST_DESCRIBE_DETAIL_CONFIG_HPP_INCLUDED // Copyright 2021 Peter Dimov // Distributed under the Boost Software License, Version 1.0. // https://www.boost.org/LICENSE_1_0.txt #if __cplusplus >= 201402L # define BOOST_DESCRIBE_CXX14 # define BOOST_DESCRIBE_CXX11 #elif defined(_MSC_VER) && _MSC_VER >= 1900 # define BOOST_DESCRIBE_CXX14 # define BOOST_DESCRIBE_CXX11 #elif __cplusplus >= 201103L # define BOOST_DESCRIBE_CXX11 #endif #if defined(BOOST_DESCRIBE_CXX11) # define BOOST_DESCRIBE_CONSTEXPR_OR_CONST constexpr #else # define BOOST_DESCRIBE_CONSTEXPR_OR_CONST const #endif #define BOOST_DESCRIBE_MAYBE_UNUSED #if defined(__has_cpp_attribute) # if __has_cpp_attribute(maybe_unused) # undef BOOST_DESCRIBE_MAYBE_UNUSED # define BOOST_DESCRIBE_MAYBE_UNUSED [[maybe_unused]] # endif #endif #endif // #ifndef BOOST_DESCRIBE_DETAIL_CONFIG_HPP_INCLUDED