build.yml

---

# Outstanding TODOs:
# - Auto PyPI upload?
# - Build sdist here too while we're at it?
# - Don't run this on every push ('on' param)

name: Build wheels
on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:
jobs:
  manylinux_wheels:
    name: Python ${{ matrix.platform }} wheels(${{ matrix.pyver }})
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platform:
          - manylinux_2_28_x86_64
          - manylinux_2_28_aarch64
        pyver: ['cp310-cp310', 'cp311-cp311', 'cp312-cp312']
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Set up QEMU
        if: matrix.platform == 'manylinux_2_28_aarch64'
        id: qemu
        uses: docker/setup-qemu-action@v3
      - name: Pull Docker image
        run: |
          DOCKER_IMAGE="quay.io/pypa/${{ matrix.platform }}"
          echo "DOCKER_IMAGE=$DOCKER_IMAGE" >> $GITHUB_ENV
          docker image pull "$DOCKER_IMAGE"
      - name: Build manylinux wheels
        run: |
          docker container run \
            --rm \
            -e PLAT=${{ matrix.platform }} \
            -e PYTHON_TAGS=${{ matrix.pyver }} \
            -v "$(pwd):/io" \
            "$DOCKER_IMAGE" \
            /io/build_scripts/wheels/manylinux.sh
      - uses: actions/upload-artifact@v4
        with:
          name: dist-${{ matrix.platform }}-${{ matrix.pyver }}
          path: dist/*.whl
  macosx_wheels:
    name: Python ${{ matrix.python_version }} MacOS wheels
    # Note: the container MacOS version may differ from the SDK
    # used to build Python there.  It is the latter that determines
    # the wheel's platform tag.
    # https://github.com/actions/virtual-environments/issues/696
    runs-on: macos-13
    strategy:
      matrix:
        python_version: ['3.10', '3.11', '3.12']
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Set up Python ${{ matrix.python_version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python_version }}
      - name: Build MacOS wheels
        run: './build_scripts/wheels/macos.sh'
      - uses: actions/upload-artifact@v4
        with:
          name: dist-macos-py${{ matrix.python_version }}
          path: dist/*.whl
  merge:
    name: Merge artifacts
    runs-on: ubuntu-latest
    needs:
      - manylinux_wheels
      - macosx_wheels
    steps:
      - name: Merge artifacts
        uses: actions/upload-artifact/merge@v4
        with:
          name: dist