[PATCH] D26900: [cmake] Obtain LLVM_CMAKE_PATH from llvm-config

[Eric Fiselier via Phabricator via cfe-commits]

EricWF added a comment.

Is there a way to write this patch so that old `llvm-config`'s continue to work, at least for a little while until everybody upgrades?


https://reviews.llvm.org/D26900