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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   // WINAPI_FAMILY_PARTITION is defined in winapifamily.h.
46   // We include windows.h which implicitly includes winapifamily.h for compatibility.
47   #ifndef NOMINMAX
48     #define NOMINMAX
49   #endif
50   #include <windows.h>
51   #if defined(WINAPI_FAMILY_PARTITION)
52     #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
53       #define BENCHMARK_OS_WINDOWS_WIN32 1
54     #elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
55       #define BENCHMARK_OS_WINDOWS_RT 1
56     #endif
57   #endif
58   #if defined(__MINGW32__)
59     #define BENCHMARK_OS_MINGW 1
60   #endif
61 #elif defined(__APPLE__)
62   #define BENCHMARK_OS_APPLE 1
63   #include "TargetConditionals.h"
64   #if defined(TARGET_OS_MAC)
65     #define BENCHMARK_OS_MACOSX 1
66     #if defined(TARGET_OS_IPHONE)
67       #define BENCHMARK_OS_IOS 1
68     #endif
69   #endif
70 #elif defined(__FreeBSD__)
71   #define BENCHMARK_OS_FREEBSD 1
72 #elif defined(__NetBSD__)
73   #define BENCHMARK_OS_NETBSD 1
74 #elif defined(__OpenBSD__)
75   #define BENCHMARK_OS_OPENBSD 1
76 #elif defined(__DragonFly__)
77   #define BENCHMARK_OS_DRAGONFLY 1
78 #elif defined(__linux__)
79   #define BENCHMARK_OS_LINUX 1
80 #elif defined(__native_client__)
81   #define BENCHMARK_OS_NACL 1
82 #elif defined(__EMSCRIPTEN__)
83   #define BENCHMARK_OS_EMSCRIPTEN 1
84 #elif defined(__rtems__)
85   #define BENCHMARK_OS_RTEMS 1
86 #elif defined(__Fuchsia__)
87 #define BENCHMARK_OS_FUCHSIA 1
88 #elif defined (__SVR4) && defined (__sun)
89 #define BENCHMARK_OS_SOLARIS 1
90 #elif defined(__QNX__)
91 #define BENCHMARK_OS_QNX 1
92 #elif defined(__MVS__)
93 #define BENCHMARK_OS_ZOS 1
94 #elif defined(__hexagon__)
95 #define BENCHMARK_OS_QURT 1
96 #endif
97 
98 #if defined(__ANDROID__) && defined(__GLIBCXX__)
99 #define BENCHMARK_STL_ANDROID_GNUSTL 1
100 #endif
101 
102 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
103      && !defined(__EXCEPTIONS)
104   #define BENCHMARK_HAS_NO_EXCEPTIONS
105 #endif
106 
107 #if defined(COMPILER_CLANG) || defined(COMPILER_GCC)
108   #define BENCHMARK_MAYBE_UNUSED __attribute__((unused))
109 #else
110   #define BENCHMARK_MAYBE_UNUSED
111 #endif
112 
113 // clang-format on
114 
115 #endif  // BENCHMARK_INTERNAL_MACROS_H_
116