beanz added a comment.

The convention that `find_program` uses is to cache the variables, which causes 
them to be defined at global scope. That also avoids needing to recompute 
filesystem lookups in incremental builds, which is desirable.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131052/new/

https://reviews.llvm.org/D131052

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