This is an archive of the discontinued LLVM Phabricator instance.

In D134187#3799711, @thieta wrote:

Want me to pick this to 15.0.1 if I bump the version there? It's completely safe and explains it so I say we should.

Since we're just about to change it to XXYYZZ, I would actually hold off with that. Let's keep this value undocumented in LLVM 15, and then we can ship it as documented and XXYYZZ in LLVM 16.

Closed by commit rGad0dfb4f5e07: [libc++] Document the format of _LIBCPP_VERSION (authored by ldionne). · Explain WhySep 19 2022, 12:31 PM

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ldionne added a commit: rGad0dfb4f5e07: [libc++] Document the format of _LIBCPP_VERSION.

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libcxx/

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__config

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libcxx/include/__config

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	#endif			#endif

	#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER			#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
	# pragma GCC system_header			# pragma GCC system_header
	#endif			#endif

	#ifdef __cplusplus			#ifdef __cplusplus

				// _LIBCPP_VERSION represents the version of libc++, which matches the version of LLVM.
				// Given a LLVM release LLVM XX.Y.ZZ (e.g. LLVM 16.0.1 == 16.0.01), _LIBCPP_VERSION is
				// defined to XXYZZ.
	# define _LIBCPP_VERSION 16000			# define _LIBCPP_VERSION 16000

	# define _LIBCPP_CONCAT_IMPL(_X, _Y) _X##_Y			# define _LIBCPP_CONCAT_IMPL(_X, _Y) _X##_Y
	# define _LIBCPP_CONCAT(_X, _Y) _LIBCPP_CONCAT_IMPL(_X, _Y)			# define _LIBCPP_CONCAT(_X, _Y) _LIBCPP_CONCAT_IMPL(_X, _Y)

	// Valid C++ identifier that revs with every libc++ version. This can be used to			// Valid C++ identifier that revs with every libc++ version. This can be used to
	// generate identifiers that must be unique for every released libc++ version.			// generate identifiers that must be unique for every released libc++ version.
	# define _LIBCPP_VERSIONED_IDENTIFIER _LIBCPP_CONCAT(v, _LIBCPP_VERSION)			# define _LIBCPP_VERSIONED_IDENTIFIER _LIBCPP_CONCAT(v, _LIBCPP_VERSION)
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This is an archive of the discontinued LLVM Phabricator instance.

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libcxx/include/__config

[libc++] Document the format of _LIBCPP_VERSION
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