82 lines
2 KiB
C
82 lines
2 KiB
C
#ifndef BENCHMARK_INTERNAL_MACROS_H_
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#define BENCHMARK_INTERNAL_MACROS_H_
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#include "benchmark/benchmark.h"
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#ifndef __has_feature
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#define __has_feature(x) 0
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#endif
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#ifndef __has_builtin
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#define __has_builtin(x) 0
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#endif
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#if defined(__clang__)
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#if !defined(COMPILER_CLANG)
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#define COMPILER_CLANG
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#endif
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#elif defined(_MSC_VER)
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#if !defined(COMPILER_MSVC)
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#define COMPILER_MSVC
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#endif
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#elif defined(__GNUC__)
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#if !defined(COMPILER_GCC)
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#define COMPILER_GCC
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#endif
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#endif
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#if __has_feature(cxx_attributes)
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#define BENCHMARK_NORETURN [[noreturn]]
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#elif defined(__GNUC__)
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#define BENCHMARK_NORETURN __attribute__((noreturn))
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#elif defined(COMPILER_MSVC)
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#define BENCHMARK_NORETURN __declspec(noreturn)
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#else
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#define BENCHMARK_NORETURN
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#endif
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#if defined(__CYGWIN__)
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#define BENCHMARK_OS_CYGWIN 1
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#elif defined(_WIN32)
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#define BENCHMARK_OS_WINDOWS 1
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#elif defined(__APPLE__)
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#include "TargetConditionals.h"
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#if defined(TARGET_OS_MAC)
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#define BENCHMARK_OS_MACOSX 1
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#if defined(TARGET_OS_IPHONE)
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#define BENCHMARK_OS_IOS 1
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#endif
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#endif
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#elif defined(__FreeBSD__)
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#define BENCHMARK_OS_FREEBSD 1
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#elif defined(__NetBSD__)
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#define BENCHMARK_OS_NETBSD 1
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#elif defined(__linux__)
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#define BENCHMARK_OS_LINUX 1
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#elif defined(__native_client__)
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#define BENCHMARK_OS_NACL 1
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#elif defined(EMSCRIPTEN)
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#define BENCHMARK_OS_EMSCRIPTEN 1
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#elif defined(__rtems__)
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#define BENCHMARK_OS_RTEMS 1
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#endif
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#if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
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&& !defined(__EXCEPTIONS)
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#define BENCHMARK_HAS_NO_EXCEPTIONS
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#endif
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#if defined(COMPILER_CLANG) || defined(COMPILER_GCC)
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#define BENCHMARK_MAYBE_UNUSED __attribute__((unused))
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#else
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#define BENCHMARK_MAYBE_UNUSED
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#endif
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#if defined(COMPILER_GCC) || __has_builtin(__builtin_unreachable)
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#define BENCHMARK_UNREACHABLE() __builtin_unreachable()
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#elif defined(COMPILER_MSVC)
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#define BENCHMARK_UNREACHABLE() __assume(false)
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#else
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#define BENCHMARK_UNREACHABLE() ((void)0)
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#endif
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#endif // BENCHMARK_INTERNAL_MACROS_H_
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