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CI: move WRAP_RUBY testing from macOS to Linux batch build job - #2648
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blowekamp merged 1 commit intoJul 21, 2026
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The default/system Ruby on the macOS GitHub Actions runner images is no longer well suited for building native extensions (e.g. SWIG-wrapped modules): actions/runner-images now ships Ruby only as an optional cached tool set up via ruby/setup-ruby rather than a build-ready system install, and relying on the bare system Ruby for WRAP_RUBY has become unreliable. Move WRAP_RUBY:BOOL=ON from the macos-14 (Xcode 15.4, Python 3.10) job to the existing ubuntu-22.04 gcc-12 job, which already builds successfully with a full GCC toolchain and apt-provided Ruby development headers.
dave3d
approved these changes
Jul 21, 2026
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Summary
The macOS GitHub Actions runner images (see actions/runner-images macOS 15 readme) now list Ruby only under Cached Tools rather than as a build-ready system default, making the bare system Ruby unreliable for building native/SWIG extensions such as SimpleITK's Ruby wrapping.
Changes
WRAP_RUBY:BOOL=ONfrom themacos-14(Xcode 15.4, Python 3.10) job.WRAP_RUBY:BOOL=ONto the existingubuntu-22.04gcc-12 job, which already has a full GCC toolchain and apt-provided Ruby development headers.Testing
CI will validate the moved WRAP_RUBY build on the ubuntu-22.04/gcc-12 job.