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