ceph/src/boost/libs/nowide/standalone/config.hpp

   1 //
   2 //  Copyright (c) 2012 Artyom Beilis (Tonkikh)
   3 //  Copyright (c) 2020 Alexander Grund
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See
   6 //  accompanying file LICENSE or copy at
   7 //  http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 #ifndef NOWIDE_CONFIG_HPP_INCLUDED
  10 #define NOWIDE_CONFIG_HPP_INCLUDED
  11
  12 #include <boost/nowide/replacement.hpp>
  13
  14 // MinGW32 requires a __MSVCRT_VERSION__ defined to make some functions available, e.g. _stat64
  15 // Hence define this here to target MSVC 7.0 which has the required functions and do it as early as possible
  16 // as including a system header might default this to 0x0600 which is to low
  17 #if defined(__MINGW32__) && !defined(__MSVCRT_VERSION__)
  18 #define __MSVCRT_VERSION__ 0x0700
  19 #endif
  20
  21 #if(defined(__WIN32) || defined(_WIN32) || defined(WIN32)) && !defined(__CYGWIN__)
  22 #define NOWIDE_WINDOWS
  23 #endif
  24
  25 #ifdef _MSC_VER
  26 #define NOWIDE_MSVC _MSC_VER
  27 #endif
  28
  29 #ifdef __GNUC__
  30 #define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
  31 #endif
  32
  33 #ifndef BOOST_SYMBOL_VISIBLE
  34 #define BOOST_SYMBOL_VISIBLE
  35 #endif
  36
  37 #ifdef NOWIDE_WINDOWS
  38 #define BOOST_SYMBOL_EXPORT __declspec(dllexport)
  39 #define BOOST_SYMBOL_IMPORT __declspec(dllimport)
  40 #else
  41 #define BOOST_SYMBOL_EXPORT BOOST_SYMBOL_VISIBLE
  42 #define BOOST_SYMBOL_IMPORT
  43 #endif
  44
  45 #if defined(BOOST_NOWIDE_DYN_LINK)
  46 #ifdef BOOST_NOWIDE_SOURCE
  47 #define BOOST_NOWIDE_DECL BOOST_SYMBOL_EXPORT
  48 #else
  49 #define BOOST_NOWIDE_DECL BOOST_SYMBOL_IMPORT
  50 #endif // BOOST_NOWIDE_SOURCE
  51 #else
  52 #define BOOST_NOWIDE_DECL
  53 #endif // BOOST_NOWIDE_DYN_LINK
  54
  55 #ifndef NOWIDE_DECL
  56 #define NOWIDE_DECL
  57 #endif
  58
  59 #if defined(NOWIDE_WINDOWS)
  60 #ifdef BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT
  61 #undef BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT
  62 #endif
  63 #define BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT 1
  64 #elif !defined(BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT)
  65 #define BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT 0
  66 #endif
  67
  68 #if defined(__GNUC__) && __GNUC__ >= 7
  69 #define BOOST_NOWIDE_FALLTHROUGH __attribute__((fallthrough))
  70 #else
  71 #define BOOST_NOWIDE_FALLTHROUGH
  72 #endif
  73
  74 #if defined __GNUC__
  75 #define BOOST_LIKELY(x) __builtin_expect(x, 1)
  76 #define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
  77 #else
  78 #if !defined(BOOST_LIKELY)
  79 #define BOOST_LIKELY(x) x
  80 #endif
  81 #if !defined(BOOST_UNLIKELY)
  82 #define BOOST_UNLIKELY(x) x
  83 #endif
  84 #endif
  85
  86 #endif