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3rdparty/boost_1_81_0/libs/nowide/standalone/config.hpp 1.23 KB
73ef4ff3   Hu Chunming   提交三方库
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  //
  // Copyright (c) 2012 Artyom Beilis (Tonkikh)
  // Copyright (c) 2020 - 2022 Alexander Grund
  //
  // Distributed under the Boost Software License, Version 1.0.
  // https://www.boost.org/LICENSE_1_0.txt
  
  // Defines macros which otherwise get defined by including <boost/config.hpp>
  
  #if(defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__CYGWIN__)
  #define BOOST_WINDOWS
  #endif
  
  #ifdef _MSC_VER
  #define BOOST_MSVC _MSC_VER
  #endif
  
  #ifdef __GNUC__
  #define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
  #endif
  
  #ifndef BOOST_SYMBOL_VISIBLE
  #define BOOST_SYMBOL_VISIBLE
  #endif
  
  #ifdef BOOST_WINDOWS
  #define BOOST_SYMBOL_EXPORT __declspec(dllexport)
  #define BOOST_SYMBOL_IMPORT __declspec(dllimport)
  #elif defined(__CYGWIN__) && defined(__GNUC__) && (__GNUC__ >= 4)
  #define BOOST_SYMBOL_EXPORT __attribute__((__dllexport__))
  #define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__))
  #else
  #define BOOST_SYMBOL_EXPORT BOOST_SYMBOL_VISIBLE
  #define BOOST_SYMBOL_IMPORT
  #endif
  
  #if defined __GNUC__
  #define BOOST_LIKELY(x) __builtin_expect(x, 1)
  #define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
  #else
  #if !defined(BOOST_LIKELY)
  #define BOOST_LIKELY(x) x
  #endif
  #if !defined(BOOST_UNLIKELY)
  #define BOOST_UNLIKELY(x) x
  #endif
  #endif