CMake/Modules/CMakeCXXCompilerId.cpp.in
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

86 lines
2.2 KiB
C++

/* This source file must have a .cpp extension so that all C++ compilers
recognize the extension without flags. Borland does not know .cxx for
example. */
#ifndef __cplusplus
# error "A C compiler has been selected for C++."
#endif
@CMAKE_CXX_COMPILER_ID_CONTENT@
/* Construct the string literal in pieces to prevent the source from
getting matched. Store it in a pointer rather than an array
because some compilers will just produce instructions to fill the
array rather than assigning a pointer to a static array. */
char const* info_compiler = "INFO" ":" "compiler[" COMPILER_ID "]";
#ifdef SIMULATE_ID
char const* info_simulate = "INFO" ":" "simulate[" SIMULATE_ID "]";
#endif
#ifdef __QNXNTO__
char const* qnxnto = "INFO" ":" "qnxnto[]";
#endif
#if defined(__CRAYXE) || defined(__CRAYXC)
char const *info_cray = "INFO" ":" "compiler_wrapper[CrayPrgEnv]";
#endif
@CMAKE_CXX_COMPILER_ID_PLATFORM_CONTENT@
@CMAKE_CXX_COMPILER_ID_ERROR_FOR_TEST@
#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
const char* info_language_dialect_default = "INFO" ":" "dialect_default["
#if CXX_STD > 201703L
"20"
#elif CXX_STD >= 201703L
"17"
#elif CXX_STD >= 201402L
"14"
#elif CXX_STD >= 201103L
"11"
#else
"98"
#endif
"]";
/*--------------------------------------------------------------------------*/
int main(int argc, char* argv[])
{
int require = 0;
require += info_compiler[argc];
require += info_platform[argc];
#ifdef COMPILER_VERSION_MAJOR
require += info_version[argc];
#endif
#ifdef COMPILER_VERSION_INTERNAL
require += info_version_internal[argc];
#endif
#ifdef SIMULATE_ID
require += info_simulate[argc];
#endif
#ifdef SIMULATE_VERSION_MAJOR
require += info_simulate_version[argc];
#endif
#if defined(__CRAYXE) || defined(__CRAYXC)
require += info_cray[argc];
#endif
require += info_language_dialect_default[argc];
(void)argv;
return require;
}