utils/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 #ifndef __has_feature
   7 #define __has_feature(x) 0
   8 #endif
   9
  10 #if defined(__clang__)
  11   #if !defined(COMPILER_CLANG)
  12     #define COMPILER_CLANG
  13   #endif
  14 #elif defined(_MSC_VER)
  15   #if !defined(COMPILER_MSVC)
  16     #define COMPILER_MSVC
  17   #endif
  18 #elif defined(__GNUC__)
  19   #if !defined(COMPILER_GCC)
  20     #define COMPILER_GCC
  21   #endif
  22 #endif
  23
  24 #if __has_feature(cxx_attributes)
  25   #define BENCHMARK_NORETURN [[noreturn]]
  26 #elif defined(__GNUC__)
  27   #define BENCHMARK_NORETURN __attribute__((noreturn))
  28 #elif defined(COMPILER_MSVC)
  29   #define BENCHMARK_NORETURN __declspec(noreturn)
  30 #else
  31   #define BENCHMARK_NORETURN
  32 #endif
  33
  34 #if defined(__CYGWIN__)
  35   #define BENCHMARK_OS_CYGWIN 1
  36 #elif defined(_WIN32)
  37   #define BENCHMARK_OS_WINDOWS 1
  38   #if defined(__MINGW32__)
  39     #define BENCHMARK_OS_MINGW 1
  40   #endif
  41 #elif defined(__APPLE__)
  42   #define BENCHMARK_OS_APPLE 1
  43   #include "TargetConditionals.h"
  44   #if defined(TARGET_OS_MAC)
  45     #define BENCHMARK_OS_MACOSX 1
  46     #if defined(TARGET_OS_IPHONE)
  47       #define BENCHMARK_OS_IOS 1
  48     #endif
  49   #endif
  50 #elif defined(__FreeBSD__)
  51   #define BENCHMARK_OS_FREEBSD 1
  52 #elif defined(__NetBSD__)
  53   #define BENCHMARK_OS_NETBSD 1
  54 #elif defined(__OpenBSD__)
  55   #define BENCHMARK_OS_OPENBSD 1
  56 #elif defined(__linux__)
  57   #define BENCHMARK_OS_LINUX 1
  58 #elif defined(__native_client__)
  59   #define BENCHMARK_OS_NACL 1
  60 #elif defined(__EMSCRIPTEN__)
  61   #define BENCHMARK_OS_EMSCRIPTEN 1
  62 #elif defined(__rtems__)
  63   #define BENCHMARK_OS_RTEMS 1
  64 #elif defined(__Fuchsia__)
  65 #define BENCHMARK_OS_FUCHSIA 1
  66 #elif defined (__SVR4) && defined (__sun)
  67 #define BENCHMARK_OS_SOLARIS 1
  68 #endif
  69
  70 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
  71      && !defined(__EXCEPTIONS)
  72   #define BENCHMARK_HAS_NO_EXCEPTIONS
  73 #endif
  74
  75 #if defined(COMPILER_CLANG) || defined(COMPILER_GCC)
  76   #define BENCHMARK_MAYBE_UNUSED __attribute__((unused))
  77 #else
  78   #define BENCHMARK_MAYBE_UNUSED
  79 #endif
  80
  81 #endif  // BENCHMARK_INTERNAL_MACROS_H_