[PATCH] D32595: CMakeLists: Don't set LLVM_MAIN_SRC_DIR when building stand-alone clang

[Michał Górny via Phabricator via llvm-commits]

mgorny added a comment.

(note that I don't mind removing the llvm-config bit for it; but we need the cache variable to stay)


https://reviews.llvm.org/D32595