CMake/Modules/CMakeCXXCompilerId.cpp.in
Brad King 115ecc5750 Teach compiler id about VisualAge -> XL rebranding
IBM rebranded its VisualAge compiler to XL starting at version 8.0.  We
use the compiler id "XL" for newer versions and "VisualAge" for older
versions.  We now also recognize the "z/OS" compiler, which is distinct
from XL.
2009-08-07 10:13:07 -04:00

87 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
#if defined(__COMO__)
# define COMPILER_ID "Comeau"
#elif defined(__INTEL_COMPILER) || defined(__ICC)
# define COMPILER_ID "Intel"
#elif defined(__BORLANDC__)
# define COMPILER_ID "Borland"
#elif defined(__WATCOMC__)
# define COMPILER_ID "Watcom"
#elif defined(__SUNPRO_CC)
# define COMPILER_ID "SunPro"
#elif defined(__HP_aCC)
# define COMPILER_ID "HP"
#elif defined(__DECCXX)
# define COMPILER_ID "Compaq"
#elif defined(__IBMCPP__)
# if defined(__COMPILER_VER__)
# define COMPILER_ID "zOS"
# elif __IBMCPP__ >= 800
# define COMPILER_ID "XL"
# else
# define COMPILER_ID "VisualAge"
# endif
#elif defined(__PGI)
# define COMPILER_ID "PGI"
#elif defined(__GNUC__)
# define COMPILER_ID "GNU"
#elif defined(_MSC_VER)
# define COMPILER_ID "MSVC"
#elif defined(__ADSPBLACKFIN__) || defined(__ADSPTS__) || defined(__ADSP21000__)
/* Analog Devices C++ compiler for Blackfin, TigerSHARC and
SHARC (21000) DSPs */
# define COMPILER_ID "ADSP"
#elif defined(_SGI_COMPILER_VERSION) || defined(_COMPILER_VERSION)
# define COMPILER_ID "MIPSpro"
/* This compiler is either not known or is too old to define an
identification macro. Try to identify the platform and guess that
it is the native compiler. */
#elif defined(__sgi)
# define COMPILER_ID "MIPSpro"
#elif defined(__hpux) || defined(__hpua)
# define COMPILER_ID "HP"
#else /* unknown compiler */
# define COMPILER_ID ""
#endif
/* 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* info_compiler = "INFO" ":" "compiler[" COMPILER_ID "]";
@CMAKE_CXX_COMPILER_ID_PLATFORM_CONTENT@
/*--------------------------------------------------------------------------*/
int main(int argc, char* argv[])
{
int require = 0;
require += info_compiler[argc];
require += info_platform[argc];
(void)argv;
return require;
}