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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
//
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// Copyright (c) 2012 Artyom Beilis (Tonkikh)
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// Copyright (c) 2020 - 2022 Alexander Grund
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//
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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// Defines macros which otherwise get defined by including <boost/config.hpp>
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#if(defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__CYGWIN__)
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#define BOOST_WINDOWS
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#endif
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#ifdef _MSC_VER
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#define BOOST_MSVC _MSC_VER
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#endif
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#ifdef __GNUC__
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#define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
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#endif
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#ifndef BOOST_SYMBOL_VISIBLE
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#define BOOST_SYMBOL_VISIBLE
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#endif
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#ifdef BOOST_WINDOWS
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#define BOOST_SYMBOL_EXPORT __declspec(dllexport)
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#define BOOST_SYMBOL_IMPORT __declspec(dllimport)
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#elif defined(__CYGWIN__) && defined(__GNUC__) && (__GNUC__ >= 4)
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#define BOOST_SYMBOL_EXPORT __attribute__((__dllexport__))
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#define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__))
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#else
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#define BOOST_SYMBOL_EXPORT BOOST_SYMBOL_VISIBLE
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#define BOOST_SYMBOL_IMPORT
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#endif
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#if defined __GNUC__
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#define BOOST_LIKELY(x) __builtin_expect(x, 1)
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#define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
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#else
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#if !defined(BOOST_LIKELY)
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#define BOOST_LIKELY(x) x
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#endif
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#if !defined(BOOST_UNLIKELY)
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#define BOOST_UNLIKELY(x) x
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#endif
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#endif
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