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GH-49563: [C++][FlightRPC][ODBC] Remove libunwind dynamic linked library in macOS Intel CI#49575

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alinaliBQ wants to merge 1 commit intoapache:mainfrom
Bit-Quill:gh-49563-fix-libunwind
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GH-49563: [C++][FlightRPC][ODBC] Remove libunwind dynamic linked library in macOS Intel CI#49575
alinaliBQ wants to merge 1 commit intoapache:mainfrom
Bit-Quill:gh-49563-fix-libunwind

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@alinaliBQ alinaliBQ commented Mar 20, 2026

Rationale for this change

GH-49563

What changes are included in this PR?

This issue occurred without any code changes, so I think it is due to an macOS update.

After a GitHub macOS update, the CLANG_TOOLS_PATH path is resolved as /usr/local/bin/clang-format in Intel CI. Before the GitHub macOS update, CLANG_TOOLS_PATH was resolved as /usr/local/opt/llvm@18/bin and we did not have the issue of libunwind linking dynamically to ODBC dylib.

The solution is to explicitly set CLANG_TOOLS_PATH to llvm@18/bin on Intel machines.

Are these changes tested?

  • Tested in CI

Are there any user-facing changes?

N/A

Currently CLANG_TOOLS_PATH path is resolved as /usr/local/bin/clang-format. This is likely due to a new macOS update mentioned in xpack-dev-tools/clang-xpack#13. Before the GitHub macOS update, CLANG_TOOLS_PATH was resolved as /usr/local/opt/llvm@18/bin and we did not have the issue of libunwind linking dynamically to ODBC dylib.

The solution is to explicitly set CLANG_TOOLS_PATH to llvm@18/bin.
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⚠️ GitHub issue #49563 has been automatically assigned in GitHub to PR creator.

@github-actions github-actions bot added CI: Extra: C++ Run extra C++ CI awaiting review Awaiting review labels Mar 20, 2026
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