name: Build

on: [push, pull_request]

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        # macos-13 is an intel runner, macos-14 is apple silicon
        os: [ubuntu-latest, windows-latest, macos-13, macos-14]

    steps:
      - uses: actions/checkout@v4

      - name: Set up QEMU
        if: runner.os == 'Linux'
        uses: docker/setup-qemu-action@v3
        with:
          platforms: all

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.21.1
        env:
          # configure cibuildwheel to build native archs ('auto'), and some
          # emulated ones
          CIBW_ARCHS_LINUX: auto aarch64 ppc64le s390x

      - uses: actions/upload-artifact@v4
        with:
          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
          path: ./wheelhouse/*.whl