91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
#ifndef BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED
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#define BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED
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// Copyright 2018-2022 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/system for documentation.
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#include <boost/system/detail/requires_cxx11.hpp>
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#include <boost/config.hpp>
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#include <boost/config/workaround.hpp>
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// BOOST_SYSTEM_HAS_SYSTEM_ERROR
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//
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// The macro BOOST_SYSTEM_DISABLE_THREADS can be defined on configurations
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// that provide <system_error> and <atomic>, but not <mutex>, such as the
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// single-threaded libstdc++.
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//
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// https://github.com/boostorg/system/issues/92
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#if !defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR) && !defined(BOOST_NO_CXX11_HDR_ATOMIC) && ( !defined(BOOST_NO_CXX11_HDR_MUTEX) || defined(BOOST_SYSTEM_DISABLE_THREADS) )
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# define BOOST_SYSTEM_HAS_SYSTEM_ERROR
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#endif
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// BOOST_SYSTEM_NOEXCEPT
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// Retained for backward compatibility
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#define BOOST_SYSTEM_NOEXCEPT BOOST_NOEXCEPT
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// BOOST_SYSTEM_HAS_CONSTEXPR
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#if !defined(BOOST_NO_CXX14_CONSTEXPR)
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# define BOOST_SYSTEM_HAS_CONSTEXPR
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#endif
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#if BOOST_WORKAROUND(BOOST_GCC, < 60000)
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# undef BOOST_SYSTEM_HAS_CONSTEXPR
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#endif
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#if defined(BOOST_SYSTEM_HAS_CONSTEXPR)
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# define BOOST_SYSTEM_CONSTEXPR constexpr
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#else
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# define BOOST_SYSTEM_CONSTEXPR
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#endif
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// BOOST_SYSTEM_DEPRECATED
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#if defined(__clang__)
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# define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated(msg)))
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#elif defined(__GNUC__)
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# if __GNUC__ * 100 + __GNUC_MINOR__ >= 405
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# define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated(msg)))
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# else
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# define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated))
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# endif
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#elif defined(_MSC_VER)
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# define BOOST_SYSTEM_DEPRECATED(msg) __declspec(deprecated(msg))
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#elif defined(__sun)
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# define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated(msg)))
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#else
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# define BOOST_SYSTEM_DEPRECATED(msg)
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#endif
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// BOOST_SYSTEM_CLANG_6
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// Android NDK r18b has Clang 7.0.2 that still needs the workaround
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// https://github.com/boostorg/system/issues/100
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#if defined(__clang__) && (__clang_major__ < 7 || (defined(__APPLE__) && __clang_major__ < 11) || (defined(__ANDROID__) && __clang_major__ == 7))
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# define BOOST_SYSTEM_CLANG_6
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#endif
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//
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#if defined(BOOST_LIBSTDCXX_VERSION) && BOOST_LIBSTDCXX_VERSION < 50000
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# define BOOST_SYSTEM_AVOID_STD_GENERIC_CATEGORY
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#endif
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#if defined(__CYGWIN__) || defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER == 1800) || (defined(BOOST_LIBSTDCXX_VERSION) && BOOST_LIBSTDCXX_VERSION < 90000)
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// Under Cygwin (and MinGW!), std::system_category() is POSIX
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// Under VS2013, std::system_category() isn't quite right
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// Under libstdc++ before 7.4, before 8.3, before 9.1, default_error_condition
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// for the system category returns a condition from the system category
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# define BOOST_SYSTEM_AVOID_STD_SYSTEM_CATEGORY
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#endif
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#endif // BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED
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