numpy-1.21.2.yml

name: numpy (1.21.2)

on: [workflow_dispatch]

# This is the NumPy 1.21.2 for arm64 on macOS (see https://github.com/colesbury/nogil/issues/119)
# https://github.com/numpy/numpy/blob/v1.21.0/azure-pipelines.yml
# https://github.com/MacPython/numpy-wheels/blob/4f96976cfc86a3c3ac17ee246cf30dd701ffb321/azure-pipelines.yml

env:
  VERSION: 1.21.2
  CIBW_BUILD: nogil39-*
  CIBW_ARCHS_MACOS: arm64

  CIBW_BEFORE_BUILD_MACOS: >
    basedir=$(python tools/openblas_support.py) &&
    cp -r $basedir/lib/* /opt/arm64-builds/lib &&
    cp -r $basedir/include/* /opt/arm64-builds/include
  CIBW_ENVIRONMENT_MACOS:
    CFLAGS='-std=c99 -fno-strict-aliasing'
    OPENBLAS=/opt/arm64-builds

  # Workaround for https://github.com/pypa/distutils/issues/15
  # Later versions of NumPy include this in their setup.py
  SETUPTOOLS_USE_DISTUTILS: stdlib

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-latest]

    steps:
      - uses: actions/checkout@v3
        with:
          repository: 'colesbury/numpy'
          ref: v${{ env.VERSION }}-nogil
          submodules: true
          # versioneer.py requires the latest tag to be reachable. Here we
          # fetch the complete history to get access to the tags.
          # A shallow clone can work when the following issue is resolved:
          # https://github.com/actions/checkout/issues/338
          fetch-depth: 0

      - name: Fix tags
        run: git tag -f v${{ env.VERSION }}

      # Adapted from https://github.com/MacPython/gfortran-install/blob/4148a01d4b0209e4a5933968a0be62f0f3b2c1ca/gfortran_utils.sh
      - name: Install gfortran (macOS)
        if: runner.os == 'macOS'
        run: |
          curl -L -O https://github.com/isuruf/gcc/releases/download/gcc-10-arm-20210228/gfortran-darwin-arm64.tar.gz
          export GFORTRAN_SHA=f26990f6f08e19b2ec150b9da9d59bd0558261dd
          if [[ "$(shasum gfortran-darwin-arm64.tar.gz)" != "${GFORTRAN_SHA}  gfortran-darwin-arm64.tar.gz" ]]; then
              echo "shasum mismatch for gfortran-darwin-arm64"
              exit 1
          fi
          sudo mkdir -p /opt/
          sudo cp "gfortran-darwin-arm64.tar.gz" /opt/gfortran-darwin-arm64.tar.gz
          pushd /opt
              sudo tar -xvf gfortran-darwin-arm64.tar.gz
              sudo rm gfortran-darwin-arm64.tar.gz
          popd
          export FC_ARM64="$(find /opt/gfortran-darwin-arm64/bin -name "*-gfortran")"
          libgfortran="$(find /opt/gfortran-darwin-arm64/lib -name libgfortran.dylib)"
          libdir=$(dirname $libgfortran)

          export FC_ARM64_LDFLAGS="-L$libdir -Wl,-rpath,$libdir"
          if [[ "${PLAT:-}" == "arm64" ]]; then
              export FC=$FC_ARM64
          fi

      - name: Create OpenBLAS directory
        run: |
          sudo mkdir -p /opt/arm64-builds/lib /opt/arm64-builds/include
          sudo chown -R $USER /opt/arm64-builds

      - name: Build wheels
        uses: colesbury/cibuildwheel@nogil

      - uses: actions/upload-artifact@v3
        with:
          path: ./wheelhouse/*.whl

  upload_wheel:
    needs: [build_wheels]
    uses: ./.github/workflows/upload-wheel.yml
    with:
      package: numpy
    secrets: inherit