name: macos-x64-cpu-python
on:
  push:
    branches: [master]
    paths:
    - '.github/workflows/macos-x64-cpu-python.yml'
    - 'CMakeLists.txt'
    - 'cmake/**'
    - 'src/*'
    - 'src/layer/*'
    - 'src/layer/x86/**'
    - 'python/**'
  pull_request:
    branches: [master]
    paths:
    - '.github/workflows/macos-x64-cpu-python.yml'
    - 'CMakeLists.txt'
    - 'cmake/**'
    - 'src/*'
    - 'src/layer/*'
    - 'src/layer/x86/**'
    - 'python/**'
concurrency:
  group: macos-x64-cpu-python-${{ github.ref }}
  cancel-in-progress: true
env:
  DEVELOPER_DIR: /Applications/Xcode_12.4.app/Contents/Developer
permissions:
  contents: read

jobs:
  macos-clang:
    runs-on: macos-latest
    strategy:
      matrix:
        python-version: [3.6, 3.7, 3.8, 3.9]
    steps:
    - uses: actions/checkout@v3
      with:
        submodules: true
    - name: set up python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
    - name: install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install pytest setuptools wheel twine
    - name: cache-openmp
      id: cache-openmp
      uses: actions/cache@v3
      with:
        path: openmp-install
        key: openmp-macos-install-20201213
    - name: openmp
      if: steps.cache-openmp.outputs.cache-hit != 'true'
      run: |
        wget https://github.com/llvm/llvm-project/releases/download/llvmorg-11.0.0/openmp-11.0.0.src.tar.xz
        tar -xf openmp-11.0.0.src.tar.xz
        cd openmp-11.0.0.src
        sed -i'' -e '/.size __kmp_unnamed_critical_addr/d' runtime/src/z_Linux_asm.S
        sed -i'' -e 's/__kmp_unnamed_critical_addr/___kmp_unnamed_critical_addr/g' runtime/src/z_Linux_asm.S
        mkdir -p build && cd build
        cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64" \
            -DLIBOMP_ENABLE_SHARED=OFF -DLIBOMP_OMPT_SUPPORT=OFF -DLIBOMP_USE_HWLOC=OFF ..
        cmake --build . -j 3
        cmake --build . --target install
        mkdir $GITHUB_WORKSPACE/openmp-install
        cp -r install/* $GITHUB_WORKSPACE/openmp-install
    - name: install-openmp
      run: |
        sudo cp $GITHUB_WORKSPACE/openmp-install/include/* $DEVELOPER_DIR/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include
        sudo cp $GITHUB_WORKSPACE/openmp-install/lib/libomp.a $DEVELOPER_DIR/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib
    - name: build
      run: |
        mkdir build && cd build
        cmake -DCMAKE_OSX_ARCHITECTURES=x86_64 \
            -DOpenMP_C_FLAGS="-Xclang -fopenmp" -DOpenMP_CXX_FLAGS="-Xclang -fopenmp" \
            -DOpenMP_C_LIB_NAMES="libomp" -DOpenMP_CXX_LIB_NAMES="libomp" \
            -DOpenMP_libomp_LIBRARY="$DEVELOPER_DIR/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib/libomp.a" \
            -DNCNN_PYTHON=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
        cmake --build . -j 3
    - name: install python
      run: cd python && pip install .
    - name: test
      run: cd python && pytest tests
    - name: build and publish
      if: startsWith(github.ref, 'refs/tags')
      env:
        TWINE_USERNAME: __token__
        TWINE_PASSWORD: ${{ secrets.TEST_PYPI_API_TOKEN }}
        TWINE_REPOSITORY_URL: "https://test.pypi.org/legacy/"
      run: |
        cd python
        python setup.py bdist_wheel
        twine upload dist/*