[PATCH] D132608: [CMake] Clean up CMake binary dir handling

[John Ericson via Phabricator via cfe-commits]

Ericson2314 added a comment.

I have done the deduping @phosek requested, and changed the variable names from `CMAKE_*` to `LLVMPROJ_*` which hopefully satisfies everyone's criteria. Happy with other non `LLVM_` options too.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132608/new/

https://reviews.llvm.org/D132608