1#ifndef BENCHMARK_INTERNAL_MACROS_H_
2#define BENCHMARK_INTERNAL_MACROS_H_
3
4#include "benchmark/benchmark.h"
5
6#ifndef __has_feature
7#define __has_feature(x) 0
8#endif
9
10#if defined(__clang__)
11  #if !defined(COMPILER_CLANG)
12    #define COMPILER_CLANG
13  #endif
14#elif defined(_MSC_VER)
15  #if !defined(COMPILER_MSVC)
16    #define COMPILER_MSVC
17  #endif
18#elif defined(__GNUC__)
19  #if !defined(COMPILER_GCC)
20    #define COMPILER_GCC
21  #endif
22#endif
23
24#if __has_feature(cxx_attributes)
25  #define BENCHMARK_NORETURN [[noreturn]]
26#elif defined(__GNUC__)
27  #define BENCHMARK_NORETURN __attribute__((noreturn))
28#elif defined(COMPILER_MSVC)
29  #define BENCHMARK_NORETURN __declspec(noreturn)
30#else
31  #define BENCHMARK_NORETURN
32#endif
33
34#if defined(__CYGWIN__)
35  #define BENCHMARK_OS_CYGWIN 1
36#elif defined(_WIN32)
37  #define BENCHMARK_OS_WINDOWS 1
38  #if defined(__MINGW32__)
39    #define BENCHMARK_OS_MINGW 1
40  #endif
41#elif defined(__APPLE__)
42  #define BENCHMARK_OS_APPLE 1
43  #include "TargetConditionals.h"
44  #if defined(TARGET_OS_MAC)
45    #define BENCHMARK_OS_MACOSX 1
46    #if defined(TARGET_OS_IPHONE)
47      #define BENCHMARK_OS_IOS 1
48    #endif
49  #endif
50#elif defined(__FreeBSD__)
51  #define BENCHMARK_OS_FREEBSD 1
52#elif defined(__NetBSD__)
53  #define BENCHMARK_OS_NETBSD 1
54#elif defined(__OpenBSD__)
55  #define BENCHMARK_OS_OPENBSD 1
56#elif defined(__linux__)
57  #define BENCHMARK_OS_LINUX 1
58#elif defined(__native_client__)
59  #define BENCHMARK_OS_NACL 1
60#elif defined(__EMSCRIPTEN__)
61  #define BENCHMARK_OS_EMSCRIPTEN 1
62#elif defined(__rtems__)
63  #define BENCHMARK_OS_RTEMS 1
64#elif defined(__Fuchsia__)
65#define BENCHMARK_OS_FUCHSIA 1
66#elif defined (__SVR4) && defined (__sun)
67#define BENCHMARK_OS_SOLARIS 1
68#endif
69
70#if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
71     && !defined(__EXCEPTIONS)
72  #define BENCHMARK_HAS_NO_EXCEPTIONS
73#endif
74
75#if defined(COMPILER_CLANG) || defined(COMPILER_GCC)
76  #define BENCHMARK_MAYBE_UNUSED __attribute__((unused))
77#else
78  #define BENCHMARK_MAYBE_UNUSED
79#endif
80
81#endif  // BENCHMARK_INTERNAL_MACROS_H_
82