文件操作 - config.hpp
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文件: /usr/include/boost/system/detail/config.hpp
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#ifndef BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED #define BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED // Copyright 2018 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) // // See http://www.boost.org/libs/system for documentation. #include <boost/config.hpp> #include <boost/config/workaround.hpp> // BOOST_SYSTEM_HAS_SYSTEM_ERROR #if !defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR) # define BOOST_SYSTEM_HAS_SYSTEM_ERROR #endif #if BOOST_WORKAROUND(BOOST_GCC, < 40600) // g++ 4.4's <map> is not good enough # undef BOOST_SYSTEM_HAS_SYSTEM_ERROR #endif #if defined(BOOST_NO_CXX11_HDR_MUTEX) // Required for thread-safe map manipulation # undef BOOST_SYSTEM_HAS_SYSTEM_ERROR #endif // BOOST_SYSTEM_NOEXCEPT // Retained for backward compatibility #define BOOST_SYSTEM_NOEXCEPT BOOST_NOEXCEPT // BOOST_SYSTEM_HAS_CONSTEXPR #if !defined(BOOST_NO_CXX14_CONSTEXPR) # define BOOST_SYSTEM_HAS_CONSTEXPR #endif #if BOOST_WORKAROUND(BOOST_GCC, < 60000) # undef BOOST_SYSTEM_HAS_CONSTEXPR #endif #if defined(BOOST_SYSTEM_HAS_CONSTEXPR) # define BOOST_SYSTEM_CONSTEXPR constexpr #else # define BOOST_SYSTEM_CONSTEXPR #endif #endif // BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED
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