third-party/benchmark/src/internal_macros.h

   1 #ifndef BENCHMARK_INTERNAL_MACROS_H_
   2 #define BENCHMARK_INTERNAL_MACROS_H_
   3
   4 #include "benchmark/benchmark.h"
   5
   6 /* Needed to detect STL */
   7 #include <cstdlib>
   8
   9 // clang-format off
  10
  11 #ifndef __has_feature
  12 #define __has_feature(x) 0
  13 #endif
  14
  15 #if defined(__clang__)
  16   #if defined(__ibmxl__)
  17     #if !defined(COMPILER_IBMXL)
  18       #define COMPILER_IBMXL
  19     #endif
  20   #elif !defined(COMPILER_CLANG)
  21     #define COMPILER_CLANG
  22   #endif
  23 #elif defined(_MSC_VER)
  24   #if !defined(COMPILER_MSVC)
  25     #define COMPILER_MSVC
  26   #endif
  27 #elif defined(__GNUC__)
  28   #if !defined(COMPILER_GCC)
  29     #define COMPILER_GCC
  30   #endif
  31 #endif
  32
  33 #if __has_feature(cxx_attributes)
  34   #define BENCHMARK_NORETURN [[noreturn]]
  35 #elif defined(__GNUC__)
  36   #define BENCHMARK_NORETURN __attribute__((noreturn))
  37 #elif defined(COMPILER_MSVC)
  38   #define BENCHMARK_NORETURN __declspec(noreturn)
  39 #else
  40   #define BENCHMARK_NORETURN
  41 #endif
  42
  43 #if defined(__CYGWIN__)
  44   #define BENCHMARK_OS_CYGWIN 1
  45 #elif defined(_WIN32)
  46   #define BENCHMARK_OS_WINDOWS 1
  47   #if defined(__MINGW32__)
  48     #define BENCHMARK_OS_MINGW 1
  49   #endif
  50 #elif defined(__APPLE__)
  51   #define BENCHMARK_OS_APPLE 1
  52   #include "TargetConditionals.h"
  53   #if defined(TARGET_OS_MAC)
  54     #define BENCHMARK_OS_MACOSX 1
  55     #if defined(TARGET_OS_IPHONE)
  56       #define BENCHMARK_OS_IOS 1
  57     #endif
  58   #endif
  59 #elif defined(__FreeBSD__)
  60   #define BENCHMARK_OS_FREEBSD 1
  61 #elif defined(__NetBSD__)
  62   #define BENCHMARK_OS_NETBSD 1
  63 #elif defined(__OpenBSD__)
  64   #define BENCHMARK_OS_OPENBSD 1
  65 #elif defined(__DragonFly__)
  66   #define BENCHMARK_OS_DRAGONFLY 1
  67 #elif defined(__linux__)
  68   #define BENCHMARK_OS_LINUX 1
  69 #elif defined(__native_client__)
  70   #define BENCHMARK_OS_NACL 1
  71 #elif defined(__EMSCRIPTEN__)
  72   #define BENCHMARK_OS_EMSCRIPTEN 1
  73 #elif defined(__rtems__)
  74   #define BENCHMARK_OS_RTEMS 1
  75 #elif defined(__Fuchsia__)
  76 #define BENCHMARK_OS_FUCHSIA 1
  77 #elif defined (__SVR4) && defined (__sun)
  78 #define BENCHMARK_OS_SOLARIS 1
  79 #elif defined(__QNX__)
  80 #define BENCHMARK_OS_QNX 1
  81 #elif defined(__MVS__)
  82 #define BENCHMARK_OS_ZOS 1
  83 #endif
  84
  85 #if defined(__ANDROID__) && defined(__GLIBCXX__)
  86 #define BENCHMARK_STL_ANDROID_GNUSTL 1
  87 #endif
  88
  89 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
  90      && !defined(__EXCEPTIONS)
  91   #define BENCHMARK_HAS_NO_EXCEPTIONS
  92 #endif
  93
  94 #if defined(COMPILER_CLANG) || defined(COMPILER_GCC)
  95   #define BENCHMARK_MAYBE_UNUSED __attribute__((unused))
  96 #else
  97   #define BENCHMARK_MAYBE_UNUSED
  98 #endif
  99
 100 // clang-format on
 101
 102 #endif  // BENCHMARK_INTERNAL_MACROS_H_