bump clang version to be compatible with macos-latest#349
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ethanglaser
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homksei,
mihaic and
yuejiaointel
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Pull request overview
Updates the macOS GitHub Actions workflow to use a newer Homebrew LLVM/Clang toolchain so CI remains compatible with the macos-latest runner image updates.
Changes:
- Bump the macOS CI compiler from Clang 15 to Clang 20.
- Update the Homebrew package installed by the workflow from
llvm@15tollvm@20.
yuejiaointel
approved these changes
Jul 9, 2026
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Latest macos github actions image was bumped and no longer supports specified clang versions. This is because we take latest: https://github.com/intel/ScalableVectorSearch/blob/main/.github/workflows/build-macos.yaml#L35 and as far as I can tell there is not an easy way to track this via dependabot. Alternative would be to pin it to a version but then it could sit idle and forgotten.