benchmark  1.7.1
internal_macros.h
1 #ifndef BENCHMARK_INTERNAL_MACROS_H_
2 #define BENCHMARK_INTERNAL_MACROS_H_
3 
4 /* Needed to detect STL */
5 #include <cstdlib>
6 
7 // clang-format off
8 
9 #ifndef __has_feature
10 #define __has_feature(x) 0
11 #endif
12 
13 #if defined(__clang__)
14  #if defined(__ibmxl__)
15  #if !defined(COMPILER_IBMXL)
16  #define COMPILER_IBMXL
17  #endif
18  #elif !defined(COMPILER_CLANG)
19  #define COMPILER_CLANG
20  #endif
21 #elif defined(_MSC_VER)
22  #if !defined(COMPILER_MSVC)
23  #define COMPILER_MSVC
24  #endif
25 #elif defined(__GNUC__)
26  #if !defined(COMPILER_GCC)
27  #define COMPILER_GCC
28  #endif
29 #endif
30 
31 #if __has_feature(cxx_attributes)
32  #define BENCHMARK_NORETURN [[noreturn]]
33 #elif defined(__GNUC__)
34  #define BENCHMARK_NORETURN __attribute__((noreturn))
35 #elif defined(COMPILER_MSVC)
36  #define BENCHMARK_NORETURN __declspec(noreturn)
37 #else
38  #define BENCHMARK_NORETURN
39 #endif
40 
41 #if defined(__CYGWIN__)
42  #define BENCHMARK_OS_CYGWIN 1
43 #elif defined(_WIN32)
44  #define BENCHMARK_OS_WINDOWS 1
45  #if defined(WINAPI_FAMILY_PARTITION)
46  #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
47  #define BENCHMARK_OS_WINDOWS_WIN32 1
48  #elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
49  #define BENCHMARK_OS_WINDOWS_RT 1
50  #endif
51  #endif
52  #if defined(__MINGW32__)
53  #define BENCHMARK_OS_MINGW 1
54  #endif
55 #elif defined(__APPLE__)
56  #define BENCHMARK_OS_APPLE 1
57  #include "TargetConditionals.h"
58  #if defined(TARGET_OS_MAC)
59  #define BENCHMARK_OS_MACOSX 1
60  #if defined(TARGET_OS_IPHONE)
61  #define BENCHMARK_OS_IOS 1
62  #endif
63  #endif
64 #elif defined(__FreeBSD__)
65  #define BENCHMARK_OS_FREEBSD 1
66 #elif defined(__NetBSD__)
67  #define BENCHMARK_OS_NETBSD 1
68 #elif defined(__OpenBSD__)
69  #define BENCHMARK_OS_OPENBSD 1
70 #elif defined(__DragonFly__)
71  #define BENCHMARK_OS_DRAGONFLY 1
72 #elif defined(__linux__)
73  #define BENCHMARK_OS_LINUX 1
74 #elif defined(__native_client__)
75  #define BENCHMARK_OS_NACL 1
76 #elif defined(__EMSCRIPTEN__)
77  #define BENCHMARK_OS_EMSCRIPTEN 1
78 #elif defined(__rtems__)
79  #define BENCHMARK_OS_RTEMS 1
80 #elif defined(__Fuchsia__)
81 #define BENCHMARK_OS_FUCHSIA 1
82 #elif defined (__SVR4) && defined (__sun)
83 #define BENCHMARK_OS_SOLARIS 1
84 #elif defined(__QNX__)
85 #define BENCHMARK_OS_QNX 1
86 #elif defined(__MVS__)
87 #define BENCHMARK_OS_ZOS 1
88 #elif defined(__hexagon__)
89 #define BENCHMARK_OS_QURT 1
90 #endif
91 
92 #if defined(__ANDROID__) && defined(__GLIBCXX__)
93 #define BENCHMARK_STL_ANDROID_GNUSTL 1
94 #endif
95 
96 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
97  && !defined(__EXCEPTIONS)
98  #define BENCHMARK_HAS_NO_EXCEPTIONS
99 #endif
100 
101 #if defined(COMPILER_CLANG) || defined(COMPILER_GCC)
102  #define BENCHMARK_MAYBE_UNUSED __attribute__((unused))
103 #else
104  #define BENCHMARK_MAYBE_UNUSED
105 #endif
106 
107 // clang-format on
108 
109 #endif // BENCHMARK_INTERNAL_MACROS_H_