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(COMPILER_CLANG) 17 #define COMPILER_CLANG 18 #endif 19 #elif defined(_MSC_VER) 20 #if !defined(COMPILER_MSVC) 21 #define COMPILER_MSVC 22 #endif 23 #elif defined(__GNUC__) 24 #if !defined(COMPILER_GCC) 25 #define COMPILER_GCC 26 #endif 27 #endif 28 29 #if __has_feature(cxx_attributes) 30 #define BENCHMARK_NORETURN [[noreturn]] 31 #elif defined(__GNUC__) 32 #define BENCHMARK_NORETURN __attribute__((noreturn)) 33 #elif defined(COMPILER_MSVC) 34 #define BENCHMARK_NORETURN __declspec(noreturn) 35 #else 36 #define BENCHMARK_NORETURN 37 #endif 38 39 #if defined(__CYGWIN__) 40 #define BENCHMARK_OS_CYGWIN 1 41 #elif defined(_WIN32) 42 #define BENCHMARK_OS_WINDOWS 1 43 #if defined(__MINGW32__) 44 #define BENCHMARK_OS_MINGW 1 45 #endif 46 #elif defined(__APPLE__) 47 #define BENCHMARK_OS_APPLE 1 48 #include "TargetConditionals.h" 49 #if defined(TARGET_OS_MAC) 50 #define BENCHMARK_OS_MACOSX 1 51 #if defined(TARGET_OS_IPHONE) 52 #define BENCHMARK_OS_IOS 1 53 #endif 54 #endif 55 #elif defined(__FreeBSD__) 56 #define BENCHMARK_OS_FREEBSD 1 57 #elif defined(__NetBSD__) 58 #define BENCHMARK_OS_NETBSD 1 59 #elif defined(__OpenBSD__) 60 #define BENCHMARK_OS_OPENBSD 1 61 #elif defined(__linux__) 62 #define BENCHMARK_OS_LINUX 1 63 #elif defined(__native_client__) 64 #define BENCHMARK_OS_NACL 1 65 #elif defined(__EMSCRIPTEN__) 66 #define BENCHMARK_OS_EMSCRIPTEN 1 67 #elif defined(__rtems__) 68 #define BENCHMARK_OS_RTEMS 1 69 #elif defined(__Fuchsia__) 70 #define BENCHMARK_OS_FUCHSIA 1 71 #elif defined (__SVR4) && defined (__sun) 72 #define BENCHMARK_OS_SOLARIS 1 73 #elif defined(__QNX__) 74 #define BENCHMARK_OS_QNX 1 75 #endif 76 77 #if defined(__ANDROID__) && defined(__GLIBCXX__) 78 #define BENCHMARK_STL_ANDROID_GNUSTL 1 79 #endif 80 81 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \ 82 && !defined(__EXCEPTIONS) 83 #define BENCHMARK_HAS_NO_EXCEPTIONS 84 #endif 85 86 #if defined(COMPILER_CLANG) || defined(COMPILER_GCC) 87 #define BENCHMARK_MAYBE_UNUSED __attribute__((unused)) 88 #else 89 #define BENCHMARK_MAYBE_UNUSED 90 #endif 91 92 // clang-format on 93 94 #endif // BENCHMARK_INTERNAL_MACROS_H_ 95