2.2. CI/CD Wheel

2.2.1. CI/CD

name: Build

on: [push, pull_request]

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-20.04, windows-2019, macOS-10.15]

    steps:
      - uses: actions/checkout@v2

      # Used to host cibuildwheel
      - uses: actions/setup-python@v2

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel==2.6.1

      - name: Build wheels
        run: python -m cibuildwheel --output-dir wheelhouse
        # to supply options, put them in 'env', like:
        # env:
        #   CIBW_SOME_OPTION: value

      - uses: actions/upload-artifact@v2
        with:
          path: ./wheelhouse/*.whl

2.2.2. Config

[tool.cibuildwheel]
skip = "cp36-* cp37-* pp37-* *-manylinux_i686 *_ppc64le *_s390x *-musllinux*"
build-verbosity = "3"
before-build = "bash {project}/tools/wheels/cibw_before_build.sh {project}"
before-test = "pip install -r {project}/test_requirements.txt"
test-command = "bash {project}/tools/wheels/cibw_test_command.sh {project}"

[tool.cibuildwheel.linux]
manylinux-x86_64-image = "manylinux2014"
manylinux-aarch64-image = "manylinux2014"
environment = { CFLAGS="-std=c99 -fno-strict-aliasing", LDFLAGS="-Wl,--strip-debug", OPENBLAS64_="/usr/local", NPY_USE_BLAS_ILP64="1", RUNNER_OS="Linux" }

[tool.cibuildwheel.macos]
# For universal2 wheels, we will need to fuse them manually
# instead of going through cibuildwheel
# This is because cibuildwheel tries to make a fat wheel
# https://github.com/multi-build/multibuild/blame/devel/README.rst#L541-L565
# for more info
archs = "x86_64 arm64"
test-skip = "*_arm64 *_universal2:arm64"
# MACOS linker doesn't support stripping symbols
environment = { CFLAGS="-std=c99 -fno-strict-aliasing", OPENBLAS64_="/usr/local", NPY_USE_BLAS_ILP64="1", CC="clang", CXX = "clang++" }

[tool.cibuildwheel.windows]
environment = { OPENBLAS64_="openblas", OPENBLAS="", NPY_USE_BLAS_ILP64="1", CFLAGS="", LDFLAGS="" }

[[tool.cibuildwheel.overrides]]
select = "*-win32"
environment = { OPENBLAS64_="", OPENBLAS="openblas", NPY_USE_BLAS_ILP64="0", CFLAGS="-m32", LDFLAGS="-m32" }