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Identifying a Platform

The table below is a summary of combinations of operating systems, compilers, and runtime libraries, and the preprocessor conditionals that can be used to distinguish between them. It was prompted by the discussion in STDCXX-2, specifically this comment.

	Platform Identification Macros
OS	COMPILER	RUNTIME	MACROS
AIX	gcc	libsupc++	`_RWSTD_OS_AIX && GNUC`
AIX	IBM XLC/C++	libC	`_RWSTD_OS_AIX && IBMCPP`
FreeBSD	gcc	libsupc++	`_RWSTD_OS_FREEBSD && GNUC`
HP-UX	gcc	libsupc++	`_RWSTD_OS_HP_UX && GNUC`
HP-UX	HP aCC 1	libCsup_v2.2	`_RWSTD_OS_HP_UX && __HP_aCC`
IRIX	SGI MIPSpro		{{_RWSTD_OS_IRIX64 && (_SGI_COMPILER_VERSION	!GNUG)}}
Linux	EDG eccp		`_RWSTD_OS_LINUX && _RWSTD_EDG_ECCP`
Linux	gcc	libsupc++	`RWSTD_OS_LINUX && GNUC && !_INTEL_COMPILER`
Linux	IBM XLC++	?	`_RWSTD_OS_LINUX && IBMCPP`
Linux	Intel C++ 1	libsupc++, ?	`_RWSTD_OS_LINUX && __INTEL_COMPILER`
Linux	Sun C++		`_RWSTD_OS_SUNOS && SUNPRO_CC`
NetBSD	gcc	libsupc++	`_RWSTD_OS_NETBSD && GNUC`
OpenBSD	gcc	libsupc++	`_RWSTD_OS_OPENBSD && GNUC`
Solaris	EDG eccp		`_RWSTD_OS_SUNOS && _RWSTD_EDG_ECCP`
Solaris	gcc	libsupc++	`_RWSTD_OS_SUNOS && GNUC`
Solaris	Sun C++		`_RWSTD_OS_SUNOS && SUNPRO_CC`
Tru64 UNIX	HP/Compaq/Digital C++		`_RWSTD_OS_OSF1 && DECCXX`
Windows	Borland C++	?	`_WIN32 && TURBOC`
Windows	Digital Mars C++	?	?
Windows	EDG eccp	?	`_WIN32 && _RWSTD_EDG_ECCP`
Windows	Intel C++ 1	libc(d).lib, libcmt(d).lib, msvcrt(d).lib	`_WIN32 && __INTEL_COMPILER`
Windows	Visual C++	libc(d).lib, libcmt(d).lib, msvcrt(d).lib	`MSC_VER && !_INTEL_COMPILER`
Windows/Cygwin	gcc	libsupc++	`CYGWIN && GNUC`
Windows/MinGW	gcc	libsupc++	`MINGW32 && GNUC`

(1) Uses EDG eccp front end.

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Identifying a Platform