[all-commits] [llvm/llvm-project] 4327d3: [libcxx] Add an explicit option to build against s...

[Michał Górny via All-commits]

  Branch: refs/heads/release/14.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 4327d39b15b22b9ee23582e5455df5b2a093fe8d
      https://github.com/llvm/llvm-project/commit/4327d39b15b22b9ee23582e5455df5b2a093fe8d
  Author: Michał Górny <mgorny at moritz.systems>
  Date:   2022-03-01 (Tue, 01 Mar 2022)

  Changed paths:
    M libcxx/cmake/Modules/HandleLibCXXABI.cmake
    M libcxx/docs/BuildingLibcxx.rst
    M libcxx/utils/libcxx/test/config.py

  Log Message:
  -----------
  [libcxx] Add an explicit option to build against system-libcxxabi

Add an explicit LIBCXX_CXX_ABI=system-libcxxabi option for linking to
system-installed libc++abi. This fixes the ability to link against one
when building libcxx via the runtimes build, as otherwise the build
system insists on linking into in-tree targets.

Differential Revision: https://reviews.llvm.org/D119539

(cherry picked from commit ba4f1e44e480d661d99973007a39dc642f5d79a4)