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(__DragonFly__) 60 #define BENCHMARK_OS_DRAGONFLY 1 61 #elif defined(__FreeBSD__) 62 #define BENCHMARK_OS_FREEBSD 1 63 #elif defined(__NetBSD__) 64 #define BENCHMARK_OS_NETBSD 1 65 #elif defined(__OpenBSD__) 66 #define BENCHMARK_OS_OPENBSD 1 67 #elif defined(__DragonFly__) 68 #define BENCHMARK_OS_DRAGONFLY 1 69 #elif defined(__linux__) 70 #define BENCHMARK_OS_LINUX 1 71 #elif defined(__native_client__) 72 #define BENCHMARK_OS_NACL 1 73 #elif defined(__EMSCRIPTEN__) 74 #define BENCHMARK_OS_EMSCRIPTEN 1 75 #elif defined(__rtems__) 76 #define BENCHMARK_OS_RTEMS 1 77 #elif defined(__Fuchsia__) 78 #define BENCHMARK_OS_FUCHSIA 1 79 #elif defined (__SVR4) && defined (__sun) 80 #define BENCHMARK_OS_SOLARIS 1 81 #elif defined(__QNX__) 82 #define BENCHMARK_OS_QNX 1 83 #elif defined(__MVS__) 84 #define BENCHMARK_OS_ZOS 1 85 #endif 86 87 #if defined(__ANDROID__) && defined(__GLIBCXX__) 88 #define BENCHMARK_STL_ANDROID_GNUSTL 1 89 #endif 90 91 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \ 92 && !defined(__EXCEPTIONS) 93 #define BENCHMARK_HAS_NO_EXCEPTIONS 94 #endif 95 96 #if defined(COMPILER_CLANG) || defined(COMPILER_GCC) 97 #define BENCHMARK_MAYBE_UNUSED __attribute__((unused)) 98 #else 99 #define BENCHMARK_MAYBE_UNUSED 100 #endif 101 102 // clang-format on 103 104 #endif // BENCHMARK_INTERNAL_MACROS_H_ 105