[libcxx-commits] [libcxxabi] [libcxx] make LIBCXXABI_PTHREAD_LIB_NAME configurable (PR #126609)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne requested changes to this pull request.

We're trying not to make things API unless they really need to be, and when we do it we document them as such.

In this case, I think a better approach would be to extend what we do in `libcxx/cmake/Modules/HandleLibC.cmake` and then for you folks to provide your own build flags based on that on wasi.

https://github.com/llvm/llvm-project/pull/126609