benchmark  1.8.5
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(COMPILER_CLANG)
15  #define COMPILER_CLANG
16  #endif
17 #elif defined(_MSC_VER)
18  #if !defined(COMPILER_MSVC)
19  #define COMPILER_MSVC
20  #endif
21 #elif defined(__GNUC__)
22  #if !defined(COMPILER_GCC)
23  #define COMPILER_GCC
24  #endif
25 #endif
26 
27 #if __has_feature(cxx_attributes)
28  #define BENCHMARK_NORETURN [[noreturn]]
29 #elif defined(__GNUC__)
30  #define BENCHMARK_NORETURN __attribute__((noreturn))
31 #elif defined(COMPILER_MSVC)
32  #define BENCHMARK_NORETURN __declspec(noreturn)
33 #else
34  #define BENCHMARK_NORETURN
35 #endif
36 
37 #if defined(__CYGWIN__)
38  #define BENCHMARK_OS_CYGWIN 1
39 #elif defined(_WIN32)
40  #define BENCHMARK_OS_WINDOWS 1
41  // WINAPI_FAMILY_PARTITION is defined in winapifamily.h.
42  // We include windows.h which implicitly includes winapifamily.h for compatibility.
43  #ifndef NOMINMAX
44  #define NOMINMAX
45  #endif
46  #include <windows.h>
47  #if defined(WINAPI_FAMILY_PARTITION)
48  #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
49  #define BENCHMARK_OS_WINDOWS_WIN32 1
50  #elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
51  #define BENCHMARK_OS_WINDOWS_RT 1
52  #endif
53  #endif
54  #if defined(__MINGW32__)
55  #define BENCHMARK_OS_MINGW 1
56  #endif
57 #elif defined(__APPLE__)
58  #define BENCHMARK_OS_APPLE 1
59  #include "TargetConditionals.h"
60  #if defined(TARGET_OS_MAC)
61  #define BENCHMARK_OS_MACOSX 1
62  #if defined(TARGET_OS_IPHONE)
63  #define BENCHMARK_OS_IOS 1
64  #endif
65  #endif
66 #elif defined(__FreeBSD__)
67  #define BENCHMARK_OS_FREEBSD 1
68 #elif defined(__NetBSD__)
69  #define BENCHMARK_OS_NETBSD 1
70 #elif defined(__OpenBSD__)
71  #define BENCHMARK_OS_OPENBSD 1
72 #elif defined(__DragonFly__)
73  #define BENCHMARK_OS_DRAGONFLY 1
74 #elif defined(__linux__)
75  #define BENCHMARK_OS_LINUX 1
76 #elif defined(__native_client__)
77  #define BENCHMARK_OS_NACL 1
78 #elif defined(__EMSCRIPTEN__)
79  #define BENCHMARK_OS_EMSCRIPTEN 1
80 #elif defined(__rtems__)
81  #define BENCHMARK_OS_RTEMS 1
82 #elif defined(__Fuchsia__)
83 #define BENCHMARK_OS_FUCHSIA 1
84 #elif defined (__SVR4) && defined (__sun)
85 #define BENCHMARK_OS_SOLARIS 1
86 #elif defined(__QNX__)
87 #define BENCHMARK_OS_QNX 1
88 #elif defined(__MVS__)
89 #define BENCHMARK_OS_ZOS 1
90 #elif defined(__hexagon__)
91 #define BENCHMARK_OS_QURT 1
92 #endif
93 
94 #if defined(__ANDROID__) && defined(__GLIBCXX__)
95 #define BENCHMARK_STL_ANDROID_GNUSTL 1
96 #endif
97 
98 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
99  && !defined(__EXCEPTIONS)
100  #define BENCHMARK_HAS_NO_EXCEPTIONS
101 #endif
102 
103 #if defined(COMPILER_CLANG) || defined(COMPILER_GCC)
104  #define BENCHMARK_MAYBE_UNUSED __attribute__((unused))
105 #else
106  #define BENCHMARK_MAYBE_UNUSED
107 #endif
108 
109 // clang-format on
110 
111 #endif // BENCHMARK_INTERNAL_MACROS_H_