kou opened a new pull request, #47286:
URL: https://github.com/apache/arrow/pull/47286
### Rationale for this change
CRAN reports GNU variadic macro warnings.
### What changes are included in this PR?
Don't use GNU variadic macro extension.
### Are these changes tested?
Yes.
```bash
archery docker run \
-e CC=clang \
-e CXX=clang++ \
-e Thrift_SOURCE=BUNDLED \
-e CXXFLAGS="-Wgnu-zero-variadic-macro-arguments
-Wno-variadic-macro-arguments-omitted" \
fedora-cpp
```
### Are there any user-facing changes?
No.
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