CMake/Modules/CMakePlatformId.h.in
Brad King fa7141f5ad Add framework to detect compiler version with its id (#12408)
Teach CMakePlatformId.h to construct an "INFO:compiler_version[]" string
literal from macros COMPILER_VERSION_(MAJOR|MINOR|PATCH|TWEAK) to be
defined in CMake(C|CXX)CompilerId.(c|cpp) for each compiler.  Provide
conversion macros DEC() and HEX() to decode decimal or hex digits from
integer values.  Parse the version out of the compiler id binary along
with the other INFO values already present.

Store the result in variable CMAKE_<LANG>_COMPILER_VERSION in the format
"major[.minor[.patch[.tweak]]]".  Save the value persistently in
CMake(C|CXX)Compiler.cmake in the build tree.  Document the variable for
internal use since we do not set it everywhere yet.

Report the compiler version on the compiler id result line e.g.

  The C compiler identification is GNU 4.5.2

Report CMAKE_(C|CXX)_COMPILER_(ID|VERSION) in SystemInformation test.
2011-12-07 08:59:51 -05:00

155 lines
4.2 KiB
C

/* Identify known platforms by name. */
#if defined(__linux) || defined(__linux__) || defined(linux)
# define PLATFORM_ID "Linux"
#elif defined(__CYGWIN__)
# define PLATFORM_ID "Cygwin"
#elif defined(__MINGW32__)
# define PLATFORM_ID "MinGW"
#elif defined(__APPLE__)
# define PLATFORM_ID "Darwin"
#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
# define PLATFORM_ID "Windows"
#elif defined(__FreeBSD__) || defined(__FreeBSD)
# define PLATFORM_ID "FreeBSD"
#elif defined(__NetBSD__) || defined(__NetBSD)
# define PLATFORM_ID "NetBSD"
#elif defined(__OpenBSD__) || defined(__OPENBSD)
# define PLATFORM_ID "OpenBSD"
#elif defined(__sun) || defined(sun)
# define PLATFORM_ID "SunOS"
#elif defined(_AIX) || defined(__AIX) || defined(__AIX__) || defined(__aix) || defined(__aix__)
# define PLATFORM_ID "AIX"
#elif defined(__sgi) || defined(__sgi__) || defined(_SGI)
# define PLATFORM_ID "IRIX"
#elif defined(__hpux) || defined(__hpux__)
# define PLATFORM_ID "HP-UX"
#elif defined(__HAIKU) || defined(__HAIKU__) || defined(_HAIKU)
# define PLATFORM_ID "Haiku"
/* Haiku also defines __BEOS__ so we must
put it prior to the check for __BEOS__
*/
#elif defined(__BeOS) || defined(__BEOS__) || defined(_BEOS)
# define PLATFORM_ID "BeOS"
#elif defined(__QNX__) || defined(__QNXNTO__)
# define PLATFORM_ID "QNX"
#elif defined(__tru64) || defined(_tru64) || defined(__TRU64__)
# define PLATFORM_ID "Tru64"
#elif defined(__riscos) || defined(__riscos__)
# define PLATFORM_ID "RISCos"
#elif defined(__sinix) || defined(__sinix__) || defined(__SINIX__)
# define PLATFORM_ID "SINIX"
#elif defined(__UNIX_SV__)
# define PLATFORM_ID "UNIX_SV"
#elif defined(__bsdos__)
# define PLATFORM_ID "BSDOS"
#elif defined(_MPRAS) || defined(MPRAS)
# define PLATFORM_ID "MP-RAS"
#elif defined(__osf) || defined(__osf__)
# define PLATFORM_ID "OSF1"
#elif defined(_SCO_SV) || defined(SCO_SV) || defined(sco_sv)
# define PLATFORM_ID "SCO_SV"
#elif defined(__ultrix) || defined(__ultrix__) || defined(_ULTRIX)
# define PLATFORM_ID "ULTRIX"
#elif defined(__XENIX__) || defined(_XENIX) || defined(XENIX)
# define PLATFORM_ID "Xenix"
#else /* unknown platform */
# define PLATFORM_ID ""
#endif
/* For windows compilers MSVC and Intel we can determine
the architecture of the compiler being used. This is because
the compilers do not have flags that can change the architecture,
but rather depend on which compiler is being used
*/
#if defined(_WIN32) && defined(_MSC_VER)
# if defined(_M_IA64)
# define ARCHITECTURE_ID "IA64"
# elif defined(_M_X64) || defined(_M_AMD64)
# define ARCHITECTURE_ID "x64"
# elif defined(_M_IX86)
# define ARCHITECTURE_ID "X86"
# else /* unknown architecture */
# define ARCHITECTURE_ID ""
# endif
#else
# define ARCHITECTURE_ID ""
#endif
/* Convert integer to decimal digit literals. */
#define DEC(n) \
('0' + (((n) / 10000000)%10)), \
('0' + (((n) / 1000000)%10)), \
('0' + (((n) / 100000)%10)), \
('0' + (((n) / 10000)%10)), \
('0' + (((n) / 1000)%10)), \
('0' + (((n) / 100)%10)), \
('0' + (((n) / 10)%10)), \
('0' + ((n) % 10))
/* Convert integer to hex digit literals. */
#define HEX(n) \
('0' + ((n)>>28 & 0xF)), \
('0' + ((n)>>24 & 0xF)), \
('0' + ((n)>>20 & 0xF)), \
('0' + ((n)>>16 & 0xF)), \
('0' + ((n)>>12 & 0xF)), \
('0' + ((n)>>8 & 0xF)), \
('0' + ((n)>>4 & 0xF)), \
('0' + ((n) & 0xF))
/* Construct a string literal encoding the version number components. */
#ifdef COMPILER_VERSION_MAJOR
char const info_version[] = {
'I', 'N', 'F', 'O', ':',
'c','o','m','p','i','l','e','r','_','v','e','r','s','i','o','n','[',
COMPILER_VERSION_MAJOR,
# ifdef COMPILER_VERSION_MINOR
'.', COMPILER_VERSION_MINOR,
# ifdef COMPILER_VERSION_PATCH
'.', COMPILER_VERSION_PATCH,
# ifdef COMPILER_VERSION_TWEAK
'.', COMPILER_VERSION_TWEAK,
# endif
# endif
# endif
']','\0'};
#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 const* info_platform = "INFO" ":" "platform[" PLATFORM_ID "]";
char const* info_arch = "INFO" ":" "arch[" ARCHITECTURE_ID "]";