Add README.md Change-Id: Icf78885f1e3ed647e1419d5b76ba41eb5b528a81 Reviewed-on: https://flutter-review.googlesource.com/c/third_party/libcxx/+/35004 Reviewed-by: Godofredo Contreras <godofredoc@google.com> Commit-Queue: Nehal Patel <nehalvpatel@google.com> Reviewed-by: Jesse Seales <jseales@google.com>
This is a legacy mirror with the purpose of preserving the ability to build old versions of Flutter.
Newer versions have already switched to https://llvm.googlesource.com/libcxx and the Fuchsia mirror is set to be archived and unavailable.