Files
CMake/Tests/CompileFeatures/default_dialect.cpp
Brad King 847e8bc98c Intel: Fix default C++ dialect detection on Windows
For the Intel Compiler for Windows we have some subtle preprocessor
checks in compiler feature detection to detect C++11 and C++14 modes.
Use these when detecting the default C++ dialect too.
2019-10-10 13:14:42 -04:00

51 lines
990 B
C++

template <long l>
struct Outputter;
#if defined(__INTEL_COMPILER) && defined(_MSVC_LANG) && _MSVC_LANG < 201403L
# if defined(__INTEL_CXX11_MODE__)
# if defined(__cpp_aggregate_nsdmi)
# define CXX_STD 201402L
# else
# define CXX_STD 201103L
# endif
# else
# define CXX_STD 199711L
# endif
#elif defined(_MSC_VER) && defined(_MSVC_LANG)
# define CXX_STD _MSVC_LANG
#else
# define CXX_STD __cplusplus
#endif
#if DEFAULT_CXX20
# if CXX_STD <= 201703L
Outputter<CXX_STD> o;
# endif
#elif DEFAULT_CXX17
# if CXX_STD <= 201402L
Outputter<CXX_STD> o;
# endif
#elif DEFAULT_CXX14
# if CXX_STD != 201402L
Outputter<CXX_STD> o;
# endif
#elif DEFAULT_CXX11
# if CXX_STD != 201103L
Outputter<CXX_STD> o;
# endif
#else
# if !DEFAULT_CXX98
# error Buildsystem error
# endif
# if CXX_STD != 199711L && CXX_STD != 1 && \
!defined(__GXX_EXPERIMENTAL_CXX0X__)
Outputter<CXX_STD> o;
# endif
#endif
int main()
{
return 0;
}