kou commented on code in PR #14310:
URL: https://github.com/apache/arrow/pull/14310#discussion_r990528323
##########
.github/workflows/cpp.yml:
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@@ -182,10 +182,9 @@ jobs:
key: cpp-ccache-macos-${{ hashFiles('cpp/**') }}
restore-keys: cpp-ccache-macos-
- name: Build
- # use brew version of clang, to be consistent with LLVM lib, see
ARROW-17790.
+ # pin LLVM version on MacOS to 14 ARROW-17902
run: |
- export CC=$(brew --prefix llvm)/bin/clang
- export CXX=$(brew --prefix llvm)/bin/clang++
+ export LLVM_ROOT=$(brew --prefix llvm@14)
Review Comment:
Could you keep the "`brew --prefix llvm` is used when `brew --prefix
llvm@${LLVM_VERSION}` is failed" logic to support the `llvm` formula (that is
for the latest LLVM) in Homebrew?
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