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[libc++] Remove _LIBCPP_DISABLE_AVAILABILITY macro (#112952)

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This was slated for removal years ago, so now's a good time to remove it.
This commit is contained in:
Louis Dionne
2024-11-24 02:02:15 +01:00
committed by GitHub
parent cf9b4281c1
commit afae1a5f32
2 changed files with 3 additions and 7 deletions
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3
libcxx/docs/ReleaseNotes/20.rst
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@@ -102,6 +102,9 @@ Deprecations and Removals
headers as an extension and only deprecates them. The ``_LIBCPP_DISABLE_DEPRECATION_WARNINGS`` macro can be defined to
suppress deprecation for these headers.
- The ``_LIBCPP_DISABLE_AVAILABILITY`` macro that was used to force-disable availability markup has now been removed.
Whether availability markup is used by the library is now solely controlled at configuration-time.
Upcoming Deprecations and Removals
----------------------------------

7
libcxx/include/__configuration/availability.h
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@@ -67,13 +67,6 @@
//
// [1]: https://clang.llvm.org/docs/AttributeReference.html#availability
// For backwards compatibility, allow users to define _LIBCPP_DISABLE_AVAILABILITY
// for a while.
#if defined(_LIBCPP_DISABLE_AVAILABILITY)
# undef _LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS
# define _LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS 0
#endif
// Availability markup is disabled when building the library, or when a non-Clang
// compiler is used because only Clang supports the necessary attributes.
#if defined(_LIBCPP_BUILDING_LIBRARY) || defined(_LIBCXXABI_BUILDING_LIBRARY) || !defined(_LIBCPP_COMPILER_CLANG_BASED)