Migrate Travis CI to GitHub actions CI#85
Merged
stevengj merged 3 commits intoMay 29, 2026
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Replaces the Travis configuration with an equivalent GitHub Actions
workflow at .github/workflows/ci.yml. Same matrix (ubuntu-latest +
macos-latest), same build pipeline (autogen.sh, make, make check,
make install), same on-failure log dump for utils/*.log.
Two minor modernizations:
- Switches the Ubuntu guile package from guile-2.0-dev to
guile-3.0-dev. guile-2.0 was dropped from Ubuntu after 20.04;
libctl already builds and runs against guile 3.0.
- macOS dependency install adds autoconf/automake/libtool explicitly
rather than relying on the runner image to provide them.
Workflow triggers on push to master, pull_request to master, and
manual workflow_dispatch. fail-fast disabled so a failure on one OS
doesn't cancel the other.
Also removes the Travis CI badge from README.md and replaces it with
a GitHub Actions badge pointing at the new workflow.
Drops the macos-latest matrix entry per maintainer preference (less useful: project is primarily Linux-targeted, macOS runners cost more minutes, and the existing Travis macOS coverage didn't exercise anything Linux didn't). Adds --enable-openmp to the configure step and matrices the run on OMP_NUM_THREADS = 1 and 8. Both values share the same build; only the runtime thread count differs. This catches regressions in the parallel test paths (test-prism's #pragma omp parallel for loops in test_point_inclusion, test_normal_to_object, and test_line_segment_intersection) that a serial-only run wouldn't flag — same matrix philosophy used to validate the prism thread-safety work in PR NanoComp#75 / NanoComp#81.
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Replace Travis CI to Github actions CI.
Closes #84