https://github.com/zixu-w created https://github.com/llvm/llvm-project/pull/80045
…(#79879)" This reverts commit b40d5b1b08564d23d5e0769892ebbc32447b2987. The target OS macros work is included in the 18.x release. Move the release note to the release branch (https://github.com/llvm/llvm-project/pull/80044). >From ddc37117a2c45415f271357e42edcc1f26cb0e31 Mon Sep 17 00:00:00 2001 From: Zixu Wang <zixu_w...@apple.com> Date: Tue, 30 Jan 2024 10:44:21 -0800 Subject: [PATCH] Revert "[Docs] Add release note about Clang-defined target OS macros (#79879)" This reverts commit b40d5b1b08564d23d5e0769892ebbc32447b2987. The target OS macros work is included in the 18.x release. Move the release note to the release branch. --- clang/docs/ReleaseNotes.rst | 29 ----------------------------- 1 file changed, 29 deletions(-) diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 323157c4db1f1..89302dfc09734 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -49,24 +49,6 @@ ABI Changes in This Version AST Dumping Potentially Breaking Changes ---------------------------------------- -Clang Frontend Potentially Breaking Changes -------------------------------------------- - -Target OS macros extension -^^^^^^^^^^^^^^^^^^^^^^^^^^ -A new Clang extension (see :ref:`here <target_os_detail>`) is enabled for -Darwin (Apple platform) targets. Clang now defines ``TARGET_OS_*`` macros for -these targets, which could break existing code bases with improper checks for -the ``TARGET_OS_`` macros. For example, existing checks might fail to include -the ``TargetConditionals.h`` header from Apple SDKs and therefore leaving the -macros undefined and guarded code unexercised. - -Affected code should be checked to see if it's still intended for the specific -target and fixed accordingly. - -The extension can be turned off by the option ``-fno-define-target-os-macros`` -as a workaround. - What's New in Clang |release|? ============================== Some of the major new features and improvements to Clang are listed @@ -115,17 +97,6 @@ Non-comprehensive list of changes in this release New Compiler Flags ------------------ -.. _target_os_detail: - -Target OS macros extension -^^^^^^^^^^^^^^^^^^^^^^^^^^ -A pair of new flags ``-fdefine-target-os-macros`` and -``-fno-define-target-os-macros`` has been added to Clang to enable/disable the -extension to provide built-in definitions of a list of ``TARGET_OS_*`` macros -based on the target triple. - -The extension is enabled by default for Darwin (Apple platform) targets. - Deprecated Compiler Flags ------------------------- _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
