build_mkl.yml

name: Build MKL

on:
  push:
    branches:
      - master
    tags:
      - '*'
  pull_request:
    branches:
      - master

jobs:
  build_wheels:
    name: Build wheel on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        # macos-latest now uses arm64 runners, but MKL is x86_64 only, so restrict to the macos-13 runners
        # to get x86_64 architecture.
        os: [ubuntu-latest, macos-13, windows-2022]

    steps:
    - uses: actions/checkout@master

    - name: Build wheels
      uses: pypa/cibuildwheel@v2.20
      with:
        package-dir: backend/mkl
        output-dir: wheelhouse
      env:
        CIBW_BUILD: "cp3*"
        CIBW_SKIP: "cp36-* cp37-* *-win32 *-manylinux_i686 *-musllinux_*"
        CIBW_BUILD_VERBOSITY: 1

        # Clean the build directory between builds
        CIBW_BEFORE_BUILD: >-
          rm -rf {package}/osqp_sources/build

        CIBW_BEFORE_ALL_LINUX: bash .github/workflows/prepare_build_environment_linux_mkl.sh
        CIBW_ENVIRONMENT_LINUX: "MKL_ROOT=/opt/intel/oneapi/mkl/latest"
        CIBW_REPAIR_WHEEL_COMMAND_LINUX: ""

        CIBW_BEFORE_ALL_MACOS: bash .github/workflows/prepare_build_environment_macos_mkl.sh
        CIBW_ENVIRONMENT_MACOS: "MKL_ROOT=/opt/intel/oneapi/mkl/latest"
        CIBW_REPAIR_WHEEL_COMMAND_MACOS: ""

        CIBW_BEFORE_ALL_WINDOWS: bash .github/workflows/prepare_build_environment_windows_mkl.sh
        CIBW_ENVIRONMENT_WINDOWS: MKL_ROOT="C:/Program Files (x86)/Intel/oneAPI/mkl/latest" MKL_DIR="C:/Program Files (x86)/Intel/oneAPI/mkl/latest/lib/cmake/mkl"
        CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair {wheel} --wheel-dir {dest_dir} --no-mangle-all --add-path \"C:/Program Files (x86)/Intel/oneAPI/mkl/latest/redist/intel64\" --add-dll \"mkl_sequential.2.dll;mkl_def.2.dll;mkl_intel_thread.2.dll\""

    - name: Upload artifacts to github
      uses: actions/upload-artifact@v4
      with:
        name: wheels-mkl-${{ matrix.os }}
        path: ./wheelhouse