Files
CMake/Tests/CompileFeatures/default_dialect.cpp
Brad King b9d4db7098 CompilerId: Clarify C and C++ standard level detection
Use named constants.  Regularize comparison patterns.
2024-04-04 15:13:17 -04:00

63 lines
1.3 KiB
C++

template <long l>
struct Outputter;
#define CXX_STD_98 199711L
#define CXX_STD_11 201103L
#define CXX_STD_14 201402L
#define CXX_STD_17 201703L
#define CXX_STD_20 202002L
#define CXX_STD_23 202302L
#if defined(__INTEL_COMPILER) && defined(_MSVC_LANG) && \
_MSVC_LANG <= CXX_STD_14
# if defined(__INTEL_CXX11_MODE__)
# if defined(__cpp_aggregate_nsdmi)
# define CXX_STD CXX_STD_14
# else
# define CXX_STD CXX_STD_11
# endif
# else
# define CXX_STD CXX_STD_98
# endif
#elif defined(_MSC_VER) && defined(_MSVC_LANG)
# define CXX_STD _MSVC_LANG
#else
# define CXX_STD __cplusplus
#endif
#if DEFAULT_CXX23
# if CXX_STD <= CXX_STD_20
Outputter<CXX_STD> o;
# endif
#elif DEFAULT_CXX20
# if CXX_STD <= CXX_STD_17
Outputter<CXX_STD> o;
# endif
#elif DEFAULT_CXX17
# if CXX_STD <= CXX_STD_14
Outputter<CXX_STD> o;
# endif
#elif DEFAULT_CXX14
# if CXX_STD <= CXX_STD_11
Outputter<CXX_STD> o;
# endif
#elif DEFAULT_CXX11
# if CXX_STD != CXX_STD_11
Outputter<CXX_STD> o;
# endif
#else
# if !DEFAULT_CXX98
# error Buildsystem error
# endif
# if CXX_STD != CXX_STD_98 && CXX_STD != 1 && \
!defined(__GXX_EXPERIMENTAL_CXX0X__)
Outputter<CXX_STD> o;
# endif
#endif
int main()
{
return 0;
}