[all-commits] [llvm/llvm-project] efcee4: [libc++] Remove the legacy LIBCXX_LIBCPPABI_VERSIO...

[Louis Dionne via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: efcee4b06d2f8ee6c79dd893b702f073593d5823
      https://github.com/llvm/llvm-project/commit/efcee4b06d2f8ee6c79dd893b702f073593d5823
  Author: Louis Dionne <ldionne.2 at gmail.com>
  Date:   2022-05-16 (Mon, 16 May 2022)

  Changed paths:
    M libcxx/CMakeLists.txt
    A libcxx/lib/libc++abi.exp
    R libcxx/lib/libc++abi.v1.exp
    R libcxx/lib/libc++abi.v2.exp
    M libcxx/src/CMakeLists.txt

  Log Message:
  -----------
  [libc++] Remove the legacy LIBCXX_LIBCPPABI_VERSION option

I think this notion of libc++abi's version was relevant a long time ago
on Apple platforms when we were using a Xcode project to build the library.
As part of moving Apple's build to CMake, D59489 made it possible to
specify the "ABI version" of libc++abi in use. However, it's not possible
to build libc++abi with that old ABI anymore and we don't need the ability
to link against that version from libc++ anymore.

Hence, we can clean this up and stop falsely pretending that libc++abi
has more than one ABI version.

Differential Revision: https://reviews.llvm.org/D125687