[PATCH] D77740: [CMake] Add a warning message to prepare the upcoming upgrade to CMake 3.13.4

[Shoaib Meenai via Phabricator via llvm-commits]

smeenai added a comment.

I'll give others a bit more to voice opinions, but I'm completely in support of this plan and delighted to see the CMake upgrade going forward.

The comments about the message need to be addressed.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77740/new/

https://reviews.llvm.org/D77740