Per discussion in https://github.com/pypa/cibuildwheel/pull/1169, the default installer used for cp38 is an Intel installer.
It makes sense to skip testing arm64 wheels in this case.
However, if the user choose to manually install the universal2 CPython version, then, tests shall be run on arm64.
This allows users that either target 11.0+ on intel, universal2 or only build for arm64 to get the arm64 wheel tested on AppleSilicon.
* feat: support pypa build
fix: update `cibuildwheel.linux.troubleshoot` to know about build
Workaround issue with PyPy venv module by installing build[virtualenv]
fix: test_dependency_constraints_file when using build
fix: test/test_pep518.py
fix: use `strtobool` to parse `CIBW_PYPA_BUILD`
fix: update `cibuildwheel.linux.troubleshoot` to know about `python -m pip wheel`
test: use `build_mode` in `test/test_dependency_versions.py` tests
* refactor: use build-backend instead
* Apply suggestions from code review
Co-authored-by: Joe Rickerby <joerick@mac.com>
* refactor: use literal types for build_frontend
* refactor(tests): build_mode -> build_frontend_env
* Update test/test_before_build.py
Co-authored-by: Joe Rickerby <joerick@mac.com>
mayeut