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Diffstat (limited to 'boost/mp11/detail/config.hpp')
| -rw-r--r-- | boost/mp11/detail/config.hpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/boost/mp11/detail/config.hpp b/boost/mp11/detail/config.hpp new file mode 100644 index 0000000000..68413d77cc --- /dev/null +++ b/boost/mp11/detail/config.hpp @@ -0,0 +1,44 @@ +#ifndef BOOST_MP11_DETAIL_CONFIG_HPP_INCLUDED +#define BOOST_MP11_DETAIL_CONFIG_HPP_INCLUDED + +// Copyright 2016 Peter Dimov. +// +// 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 + +#include <boost/config.hpp> +#include <boost/detail/workaround.hpp> + +#if defined( BOOST_NO_CXX11_CONSTEXPR ) + +# define BOOST_MP11_NO_CONSTEXPR + +#elif defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, < 1920 ) + +# define BOOST_MP11_NO_CONSTEXPR + +#endif + +#if defined(__cpp_fold_expressions) && __cpp_fold_expressions >= 201603 + +# define BOOST_MP11_HAS_FOLD_EXPRESSIONS + +#elif defined(BOOST_CLANG) && defined(__has_cpp_attribute) +# if __has_cpp_attribute(fallthrough) && __cplusplus >= 201406L // Clang 3.9+ in c++1z mode + +# define BOOST_MP11_HAS_FOLD_EXPRESSIONS + +# endif +#endif + +#if defined(__has_builtin) +# if __has_builtin(__type_pack_element) + +# define BOOST_MP11_HAS_TYPE_PACK_ELEMENT + +# endif +#endif + +#endif // #ifndef BOOST_MP11_DETAIL_CONFIG_HPP_INCLUDED |