[llvm-branch-commits] [libcxx] c561bf0 - [runtimes] Add release note for deprecation of FOO_SYSROOT & friends

[Louis Dionne via llvm-branch-commits]

Author: Louis Dionne
Date: 2022-02-16T09:47:23-05:00
New Revision: c561bf0daa95797c36163ff730f570ed15e82632

URL: https://github.com/llvm/llvm-project/commit/c561bf0daa95797c36163ff730f570ed15e82632
DIFF: https://github.com/llvm/llvm-project/commit/c561bf0daa95797c36163ff730f570ed15e82632.diff

LOG: [runtimes] Add release note for deprecation of FOO_SYSROOT & friends

Added: 
    

Modified: 
    libcxx/docs/ReleaseNotes.rst

Removed: 
    


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diff  --git a/libcxx/docs/ReleaseNotes.rst b/libcxx/docs/ReleaseNotes.rst
index a9dd06e9490d2..b7e07d17755a0 100644
--- a/libcxx/docs/ReleaseNotes.rst
+++ b/libcxx/docs/ReleaseNotes.rst
@@ -235,3 +235,8 @@ Build System Changes
   ``-DCMAKE_POSITION_INDEPENDENT_CODE=ON`` explicitly when configuring the build, or
   ``-DRUNTIMES_<target-name>_CMAKE_POSITION_INDEPENDENT_CODE=ON`` if using the
   bootstrapping build.
+
+- The ``{LIBCXX,LIBCXXABI,LIBUNWIND}_TARGET_TRIPLE``, ``{LIBCXX,LIBCXXABI,LIBUNWIND}_SYSROOT`` and
+  ``{LIBCXX,LIBCXXABI,LIBUNWIND}_GCC_TOOLCHAIN`` CMake variables are deprecated. Instead, please use
+  the ``CMAKE_CXX_COMPILER_TARGET``, ``CMAKE_SYSROOT`` and ``CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN``
+  variables provided by CMake.