[PATCH] D116521: [llvm][clang][cmake] Factor out config prefix finding logic

[John Ericson via Phabricator via cfe-commits]

Ericson2314 created this revision.
Ericson2314 added reviewers: mstorsjo, beanz.
Herald added a subscriber: mgorny.
Ericson2314 requested review of this revision.
Herald added projects: clang, LLVM.
Herald added subscribers: llvm-commits, cfe-commits.

See the docs in the new function for details.

We get the shared, non-installed CMake modules following the pattern
established in D116472 <https://reviews.llvm.org/D116472>.

It might be good to have LLD and Flang also use this, but that would be
a functional change and so I leave it as future work.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D116521

Files:
  clang/CMakeLists.txt
  clang/cmake/modules/CMakeLists.txt
  cmake/Modules/FindPrefixFromConfig.cmake
  llvm/CMakeLists.txt
  llvm/cmake/modules/CMakeLists.txt

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