build-with-clang.yml

name: Build project with IntelLLVM clang compiler

on:
  pull_request:
  push:
    branches: [master]

permissions: read-all

jobs:
  build-with-clang:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
        numpy_version: ["numpy'<2'", "numpy'>=2'"]

    env:
      ONEAPI_ROOT: /opt/intel/oneapi

    defaults:
      run:
        shell: bash -el {0}

    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@85880fa0301c86cca9da44039ee3bb12d3bedbfa # 0.12.1
        with:
          access_token: ${{ github.token }}

      - name: Add Intel repository
        run: |
          wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
          sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
          rm GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
          sudo add-apt-repository "deb https://apt.repos.intel.com/oneapi all main"
          sudo apt-get update

      - name: Install Intel OneAPI
        run: |
          sudo apt-get install intel-oneapi-compiler-dpcpp-cpp
          sudo apt-get install intel-oneapi-tbb
          sudo apt-get install intel-oneapi-mkl-devel

      - name: Setup Python
        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
        with:
          python-version: ${{ matrix.python }}
          architecture: x64

      - name: Checkout repo
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          fetch-depth: 0

      - name: Install mkl_fft dependencies
        run: |
          pip install cython setuptools">=77"
          pip install ${{ matrix.numpy_version }}

      - name: List oneAPI folder content
        run: ls ${{ env.ONEAPI_ROOT }}/compiler

      - name: Build mkl_fft
        run: |
          source ${{ env.ONEAPI_ROOT }}/setvars.sh
          echo $CMPLR_ROOT
          export CC=$CMPLR_ROOT/bin/icx
          export CFLAGS="${CFLAGS} -fno-fast-math -O2"
          pip install -e . --no-build-isolation --no-deps --verbose

      - name: Run mkl_fft tests
        run: |
          source ${{ env.ONEAPI_ROOT }}/setvars.sh
          pip install scipy mkl-service pytest
          pytest -s -v --pyargs mkl_fft