Ubuntu.yml

name: Ubuntu-x86

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]
  release:
    types: [published]
  schedule:
    - cron: '30 20 * * *' # Warning: Timezone dep - 20:00 is 1:00

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  build_cache:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: ubu22-x86-gcc12-clang-repl-19
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '19'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu22-x86-gcc12-clang-repl-18
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '18'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu22-x86-gcc12-clang-repl-17
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '17'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu22-x86-gcc12-clang-repl-16
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '16'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu22-x86-gcc9-clang13-cling
            os: ubuntu-22.04
            compiler: gcc-9
            clang-runtime: '13'
            cling: On
            cling-version: '1.0'
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu24-x86-gcc12-clang-repl-19
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '19'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu24-x86-gcc12-clang-repl-18
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '18'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu24-x86-gcc12-clang-repl-17
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '17'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu24-x86-gcc12-clang-repl-16
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '16'
            cling: Off
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
          - name: ubu24-x86-gcc9-clang13-cling
            os: ubuntu-24.04
            compiler: gcc-9
            clang-runtime: '13'
            cling: On
            cling-version: '1.0'
            llvm_enable_projects: "clang"
            llvm_targets_to_build: "host;NVPTX"
            
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Python 
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'

    - name: Save PR Info
      run: |
        mkdir -p ./pr
        echo ${{ github.event.number }} > ./pr/NR
        echo ${{ github.repository }} > ./pr/REPO

        cling_on=$(echo "${{ matrix.cling }}" | tr '[:lower:]' '[:upper:]')
        if [[ "$cling_on" == "ON" ]]; then
          export CLING_HASH=$(git ls-remote https://github.com/root-project/cling.git refs/tags/v${{ matrix.cling-version }} | tr '\t' '-')
          export LLVM_HASH=$(git ls-remote https://github.com/root-project/llvm-project.git cling-llvm${{ matrix.clang-runtime}} | tr '\t' '-')
        else
          export CLING_HASH="Repl"
          # May need to revert back to both having same llvm_hash, as below cause llvm to be rebuilt everytime commit is made to llvm/llvm-project for release a.x
          # which could be quite often for new releases
          export LLVM_HASH=$(git ls-remote https://github.com/llvm/llvm-project.git refs/heads/release/${{ matrix.clang-runtime}}.x | tr '\t' '-')
        fi

        echo "CLING_HASH=$CLING_HASH" >> $GITHUB_ENV
        echo "LLVM_HASH=$LLVM_HASH" >> $GITHUB_ENV        

    - name: Restore Cache LLVM/Clang runtime build directory
      uses: actions/cache/restore@v4
      id: cache
      with:
        path: |
          llvm-project
          ${{ matrix.cling=='On' && 'cling' || '' }}
        key: ${{ env.CLING_HASH }}-${{ runner.os }}-${{ matrix.os }}-${{ matrix.compiler }}-clang-${{ matrix.clang-runtime }}.x-patch-${{ hashFiles(format('patches/llvm/clang{0}-*.patch', matrix.clang-runtime)) || 'none' }}
        lookup-only: true

    - name: Setup default Build Type
      if: ${{ steps.cache.outputs.cache-hit != 'true' }}
      run: |
        echo "BUILD_TYPE=Release" >> $GITHUB_ENV
        echo "CODE_COVERAGE=0" >> $GITHUB_ENV
        echo "ncpus=$(nproc --all)" >> $GITHUB_ENV

    - name: Setup compiler
      if: ${{ steps.cache.outputs.cache-hit != 'true' }}
      run: |
        # https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html
        vers="${compiler#*-}"
        os_codename="`cat /etc/os-release | grep UBUNTU_CODENAME | cut -d = -f 2`"
        ##sudo apt update
        if [[ "${{ matrix.compiler }}" == *"gcc"* ]]; then
          sudo apt install -y gcc-${vers} g++-${vers} lld
          echo "CC=gcc-${vers}" >> $GITHUB_ENV
          echo "CXX=g++-${vers}" >> $GITHUB_ENV
        else
          if ! sudo apt install -y clang-${vers}; then
            curl https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
            echo "deb https://apt.llvm.org/${os_codename}/ llvm-toolchain-${os_codename}-${vers} main" | sudo tee -a /etc/apt/sources.list
            sudo apt-get update
            sudo apt-get install -y clang-${vers}
          fi
          echo "CC=clang-${vers}" >> $GITHUB_ENV
          echo "CXX=clang++-${vers}" >> $GITHUB_ENV
        fi
      env:
        compiler: ${{ matrix.compiler }}

    - name: Install deps
      if: ${{ steps.cache.outputs.cache-hit != 'true' }}
      run: |
        # Install deps
        sudo apt-get update
        sudo apt-get install valgrind ninja-build
        sudo apt-get autoremove
        sudo apt-get clean

    - name: Build LLVM/Cling if the cache is invalid
      if: ${{ steps.cache.outputs.cache-hit != 'true' }}
      run: |
        cling_on=$(echo "${{ matrix.cling }}" | tr '[:lower:]' '[:upper:]')
        if [[ "${cling_on}" == "ON" ]]; then
          git clone https://github.com/root-project/cling.git
          cd ./cling 
          git checkout tags/v${{ matrix.cling-version }}
          cd ..
          git clone --depth=1 -b cling-llvm${{ matrix.clang-runtime }} https://github.com/root-project/llvm-project.git
        else # repl
          git clone --depth=1 -b release/${{ matrix.clang-runtime }}.x https://github.com/llvm/llvm-project.git
        fi
        cd llvm-project
        # Build
        mkdir build
        if [[ "${cling_on}" == "ON" ]]; then
          cd build
          cmake -DLLVM_ENABLE_PROJECTS="${{ matrix.llvm_enable_projects }}" \
                -DLLVM_EXTERNAL_PROJECTS=cling                     \
                -DLLVM_EXTERNAL_CLING_SOURCE_DIR=../../cling       \
                -DLLVM_TARGETS_TO_BUILD="${{ matrix.llvm_targets_to_build }}" \
                -DCMAKE_BUILD_TYPE=Release                         \
                -DLLVM_ENABLE_ASSERTIONS=ON                        \
                -DCLANG_ENABLE_STATIC_ANALYZER=OFF                 \
                -DCLANG_ENABLE_ARCMT=OFF                           \
                -DCLANG_ENABLE_FORMAT=OFF                          \
                -DCLANG_ENABLE_BOOTSTRAP=OFF                       \
                -DLLVM_ENABLE_ZSTD=OFF                             \
                -DLLVM_ENABLE_TERMINFO=OFF                         \
                -DLLVM_ENABLE_LIBXML2=OFF                          \
                -G Ninja                                           \
                ../llvm
          ninja clang -j ${{ env.ncpus }}
          ninja cling -j ${{ env.ncpus }}
          # Now build gtest.a and gtest_main for CppInterOp to run its tests.
          ninja gtest_main -j ${{ env.ncpus }}
        else
          # Apply patches
          llvm_vers=$(echo "${{ matrix.clang-runtime }}" | tr '[:lower:]' '[:upper:]')
          if [[ "${llvm_vers}" == "16" ]]||[[ "${llvm_vers}" == "17" ]]; then
            git apply -v ../patches/llvm/clang${{ matrix.clang-runtime }}-*.patch
            echo "Apply clang${{ matrix.clang-runtime }}-*.patch patches:"
          fi
          cd build
          cmake -DLLVM_ENABLE_PROJECTS="${{ matrix.llvm_enable_projects}}" \
                -DLLVM_TARGETS_TO_BUILD="${{ matrix.llvm_targets_to_build }}"  \
                -DCMAKE_BUILD_TYPE=Release                          \
                -DLLVM_ENABLE_ASSERTIONS=ON                         \
                -DCLANG_ENABLE_STATIC_ANALYZER=OFF                  \
                -DCLANG_ENABLE_ARCMT=OFF                            \
                -DCLANG_ENABLE_FORMAT=OFF                           \
                -DCLANG_ENABLE_BOOTSTRAP=OFF                        \
                -DLLVM_ENABLE_ZSTD=OFF                              \
                -DLLVM_ENABLE_TERMINFO=OFF                          \
                -DLLVM_ENABLE_LIBXML2=OFF                           \
                -G Ninja                                            \
                -DLLVM_INCLUDE_BENCHMARKS=OFF                   \
                -DLLVM_INCLUDE_EXAMPLES=OFF                     \
                -DLLVM_INCLUDE_TESTS=OFF                        \
                ../llvm
          ninja clang clangInterpreter clangStaticAnalyzerCore -j ${{ env.ncpus }}
          cd ./tools/
          rm -rf $(find . -maxdepth 1 ! -name "clang" ! -name ".")
          cd ..
          rm compile_commands.json build.ninja
        fi
        cd ../
        rm -rf $(find . -maxdepth 1 ! -name "build" ! -name "llvm" ! -name "clang" ! -name ".")
        if [[ "${cling_on}" == "ON" ]]; then
          cd ./llvm/
          rm -rf $(find . -maxdepth 1 ! -name "include" ! -name "lib" ! -name "cmake" ! -name "utils" ! -name ".")
          cd ../clang/
          rm -rf $(find . -maxdepth 1 ! -name "include" ! -name "lib" ! -name "cmake" ! -name "utils" ! -name ".")
          cd ../..
        else # repl
          cd ./llvm/
          rm -rf $(find . -maxdepth 1 ! -name "include" ! -name "lib" ! -name "cmake" ! -name ".")
          cd ../clang/
          rm -rf $(find . -maxdepth 1 ! -name "include" ! -name "lib" ! -name "cmake" ! -name ".")
          cd ../..
        fi

    - name: Save Cache LLVM/Clang runtime build directory
      uses: actions/cache/save@v4
      if: ${{ steps.cache.outputs.cache-hit != 'true' }}
      with:
        path: |
          llvm-project
          ${{ matrix.cling=='On' && 'cling' || '' }}
        key: ${{ steps.cache.outputs.cache-primary-key }}

  cppinterop_and_cppyy_build:
    needs: [build_cache]
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: ubu22-x86-gcc12-clang-repl-19-docs
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '19'
            cling: Off
            cppyy: Off
            documentation: On
          - name: ubu22-x86-gcc12-clang-repl-19-cppyy
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '19'
            cling: Off
            cppyy: On
            coverage: true
          - name: ubu22-x86-gcc12-clang-repl-18-cppyy
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '18'
            cling: Off
            cppyy: On
          - name: ubu22-x86-gcc12-clang-repl-17-cppyy
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '17'
            cling: Off
            cppyy: On
          - name: ubu22-x86-gcc12-clang-repl-16
            os: ubuntu-22.04
            compiler: gcc-12
            clang-runtime: '16'
            cling: Off
            cppyy: Off
          - name: ubu22-x86-gcc9-clang13-cling-cppyy
            os: ubuntu-22.04
            compiler: gcc-9
            clang-runtime: '13'
            cling: On
            cling-version: '1.0'
            cppyy: On
          - name: ubu24-x86-gcc12-clang-repl-19
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '19'
            cling: Off
          - name: ubu24-x86-gcc12-clang-repl-18
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '18'
            cling: Off
          - name: ubu24-x86-gcc12-clang-repl-17
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '17'
            cling: Off
          - name: ubu24-x86-gcc12-clang-repl-16
            os: ubuntu-24.04
            compiler: gcc-12
            clang-runtime: '16'
            cling: Off
            cppyy: Off
          - name: ubu24-x86-gcc9-clang13-cling
            os: ubuntu-24.04
            compiler: gcc-9
            clang-runtime: '13'
            cling: On
            cling-version: '1.0'

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Python 
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'

    - name: Save PR Info
      run: |
        mkdir -p ./pr
        echo ${{ github.event.number }} > ./pr/NR
        echo ${{ github.repository }} > ./pr/REPO

        cling_on=$(echo "${{ matrix.cling }}" | tr '[:lower:]' '[:upper:]')
        if [[ "$cling_on" == "ON" ]]; then
          export CLING_HASH=$(git ls-remote https://github.com/root-project/cling.git refs/tags/v${{ matrix.cling-version }} | tr '\t' '-')
          export LLVM_HASH=$(git ls-remote https://github.com/root-project/llvm-project.git cling-llvm${{ matrix.clang-runtime}} | tr '\t' '-')
        else
          export CLING_HASH="Repl"
          # May need to revert back to both having same llvm_hash, as below cause llvm to be rebuilt everytime commit is made to llvm/llvm-project for release a.x
          # which could be quite often for new releases
          export LLVM_HASH=$(git ls-remote https://github.com/llvm/llvm-project.git refs/heads/release/${{ matrix.clang-runtime}}.x | tr '\t' '-')
        fi

        echo "CLING_HASH=$CLING_HASH" >> $GITHUB_ENV
        echo "LLVM_HASH=$LLVM_HASH" >> $GITHUB_ENV

    - name: Setup default Build Type
      run: |
        echo "BUILD_TYPE=Release" >> $GITHUB_ENV
        echo "CODE_COVERAGE=0" >> $GITHUB_ENV
        echo "ncpus=$(nproc --all)" >> $GITHUB_ENV

    - name: Setup compiler
      run: |
        # https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html
        vers="${compiler#*-}"
        os_codename="`cat /etc/os-release | grep UBUNTU_CODENAME | cut -d = -f 2`"
        ##sudo apt update
        if [[ "${{ matrix.compiler }}" == *"gcc"* ]]; then
          sudo apt install -y gcc-${vers} g++-${vers} lld
          echo "CC=gcc-${vers}" >> $GITHUB_ENV
          echo "CXX=g++-${vers}" >> $GITHUB_ENV
        else
          if ! sudo apt install -y clang-${vers}; then
            curl https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
            echo "deb https://apt.llvm.org/${os_codename}/ llvm-toolchain-${os_codename}-${vers} main" | sudo tee -a /etc/apt/sources.list
            sudo apt-get update
            sudo apt install -y clang-${vers}
          fi
          echo "CC=clang-${vers}" >> $GITHUB_ENV
          echo "CXX=clang++-${vers}" >> $GITHUB_ENV
        fi
      env:
        compiler: ${{ matrix.compiler }}

    - name: Install deps
      run: |
        # Install deps
        sudo apt-get update
        sudo apt-get install git g++ debhelper devscripts gnupg python3 doxygen graphviz python3-sphinx
        sudo apt-get install -y libc6-dbg
        sudo snap install valgrind --classic
        sudo apt autoremove
        sudo apt clean
        # Install libraries used by the cppyy test suite
        sudo apt install libeigen3-dev
        sudo apt install libboost-all-dev
        

    - name: Restore Cache LLVM/Clang runtime build directory
      uses: actions/cache/restore@v4
      id: cache
      with:
        path: |
          llvm-project
          ${{ matrix.cling=='On' && 'cling' || '' }}
        key: ${{ env.CLING_HASH }}-${{ runner.os }}-${{ matrix.os }}-${{ matrix.compiler }}-clang-${{ matrix.clang-runtime }}.x-patch-${{ hashFiles(format('patches/llvm/clang{0}-*.patch', matrix.clang-runtime)) || 'none' }}

    - name: Setup code coverage
      if: ${{ success() && (matrix.coverage == true) }}
      run: |
        sudo apt install lcov
        echo "CODE_COVERAGE=1" >> $GITHUB_ENV
        echo "BUILD_TYPE=Debug" >> $GITHUB_ENV

    - name: Build and Test/Install CppInterOp
      run: |
        LLVM_DIR="$(pwd)/llvm-project"
        LLVM_BUILD_DIR="$(pwd)/llvm-project/build"
        cling_on=$(echo "${{ matrix.cling }}" | tr '[:lower:]' '[:upper:]')
        if [[ "${cling_on}" == "ON" ]]; then
          CLING_DIR="$(pwd)/cling"
          CLING_BUILD_DIR="$(pwd)/cling/build"
          CPLUS_INCLUDE_PATH="${CLING_DIR}/tools/cling/include:${CLING_BUILD_DIR}/include:${LLVM_DIR}/llvm/include:${LLVM_DIR}/clang/include:${LLVM_BUILD_DIR}/include:${LLVM_BUILD_DIR}/tools/clang/include:$PWD/include"
        else
          CPLUS_INCLUDE_PATH="${LLVM_DIR}/llvm/include:${LLVM_DIR}/clang/include:${LLVM_BUILD_DIR}/include:${LLVM_BUILD_DIR}/tools/clang/include:$PWD/include"
        fi

        export CB_PYTHON_DIR="$PWD/cppyy-backend/python"
        export CPPINTEROP_DIR="$CB_PYTHON_DIR/cppyy_backend"

        # Build CppInterOp next to cling and llvm-project.
        mkdir build && cd build
        export CPPINTEROP_BUILD_DIR=$PWD
        cling_on=$(echo "${{ matrix.cling }}" | tr '[:lower:]' '[:upper:]')
        if [[ "${cling_on}" == "ON" ]]; then
          cmake -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }}        \
                -DUSE_CLING=ON                                  \
                -DUSE_REPL=OFF                                  \
                -DCPPINTEROP_INCLUDE_DOCS=${{ matrix.documentation }} \
                -DCling_DIR=$LLVM_BUILD_DIR/tools/cling         \
                -DLLVM_DIR=$LLVM_BUILD_DIR/lib/cmake/llvm       \
                -DClang_DIR=$LLVM_BUILD_DIR/lib/cmake/clang     \
                -DBUILD_SHARED_LIBS=ON                          \
                -DCODE_COVERAGE=${{ env.CODE_COVERAGE }}        \
                -DCMAKE_INSTALL_PREFIX=$CPPINTEROP_DIR          \
                -DLLVM_ENABLE_WERROR=On                         \
                ../
        else
          cmake -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }}     \
                -DCPPINTEROP_INCLUDE_DOCS=${{ matrix.documentation }} \
                -DLLVM_DIR=$LLVM_BUILD_DIR/lib/cmake/llvm    \
                -DClang_DIR=$LLVM_BUILD_DIR/lib/cmake/clang  \
                -DBUILD_SHARED_LIBS=ON                       \
                -DCODE_COVERAGE=${{ env.CODE_COVERAGE }}     \
                -DCMAKE_INSTALL_PREFIX=$CPPINTEROP_DIR       \
                -DLLVM_ENABLE_WERROR=On                      \
                ../
        fi
        docs_on=$(echo "${{ matrix.documentation }}" | tr '[:lower:]' '[:upper:]')
        if [[ "${docs_on}" == "ON" ]]; then
          cmake --build . --target doxygen-cppinterop --parallel ${{ env.ncpus }}
          cmake --build . --target sphinx-cppinterop --parallel ${{ env.ncpus }}
        else
          cmake --build . --target check-cppinterop --parallel ${{ env.ncpus }}
          valgrind --show-error-list=yes --track-origins=yes --error-exitcode=1 unittests/CppInterOp/CppInterOpTests/unittests/bin/${{ env.BUILD_TYPE }}/CppInterOpTests
        fi
        cd ..
        # We need CB_PYTHON_DIR later
        echo "CB_PYTHON_DIR=$CB_PYTHON_DIR" >> $GITHUB_ENV
        # We need CPPINTEROP_DIR, LLVM_BUILD_DIR and CPLUS_INCLUDE_PATH later
        echo "CPPINTEROP_BUILD_DIR=$CPPINTEROP_BUILD_DIR" >> $GITHUB_ENV
        echo "CPPINTEROP_DIR=$CPPINTEROP_DIR" >> $GITHUB_ENV
        echo "LLVM_BUILD_DIR=$LLVM_BUILD_DIR" >> $GITHUB_ENV
        echo "CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH" >> $GITHUB_ENV

    - name: Prepare code coverage report
      if: ${{ success() && (matrix.coverage == true) }}
      run: |
        # Create lcov report
        # capture coverage info
        vers="${CC#*-}"
        lcov --directory build/ --capture --output-file coverage.info --gcov-tool /usr/bin/gcov-${vers}
        lcov --remove coverage.info '/usr/*' "${HOME}"'/.cache/*' ${{ github.workspace }}'/llvm-project/*' ${{ github.workspace }}'/unittests/*' --output-file coverage.info
        # output coverage data for debugging (optional)
        lcov --list coverage.info

    - name: Upload to codecov.io
      if: ${{ success() && (matrix.coverage == true) }}
      uses: codecov/codecov-action@v4
      with:
        file: ./coverage.info
        fail_ci_if_error: true
        verbose: true
        token: ${{ secrets.CODECOV_TOKEN }}

    - name: Build and Install cppyy-backend
      if: ${{ matrix.cppyy == 'On' }}
      run: |
        # Download cppyy-backend
        git clone --depth=1 https://github.com/compiler-research/cppyy-backend.git
        cd cppyy-backend
        mkdir -p $CPPINTEROP_DIR/lib build && cd build
        # Install CppInterOp
        (cd $CPPINTEROP_BUILD_DIR && cmake --build . --target install --parallel ${{ env.ncpus }} )
        # Build and Install cppyy-backend
        cmake -DCppInterOp_DIR=$CPPINTEROP_DIR ..
        cmake --build . --parallel ${{ env.ncpus }}
        cp libcppyy-backend.so $CPPINTEROP_DIR/lib/
        cd ..
        
    - name: Install CPyCppyy
      if: ${{ matrix.cppyy == 'On' }}
      run: |
        python3 -m venv .venv
        source .venv/bin/activate
        # Install CPyCppyy
        git clone --depth=1 https://github.com/compiler-research/CPyCppyy.git
        mkdir CPyCppyy/build
        cd CPyCppyy/build
        cmake ..
        cmake --build . --parallel ${{ env.ncpus }}
        #
        export CPYCPPYY_DIR=$PWD
        cd ../..
        # We need CPYCPPYY_DIR later
        echo "CPYCPPYY_DIR=$CPYCPPYY_DIR" >> $GITHUB_ENV
    - name: Install cppyy
      if: ${{ matrix.cppyy == 'On' }}
      run: |
        # source virtual environment
        source .venv/bin/activate
        # Install cppyy
        git clone --depth=1 https://github.com/compiler-research/cppyy.git
        cd cppyy
        python -m pip install --upgrade . --no-deps
        cd ..
    - name: Run cppyy
      if: ${{ matrix.cppyy == 'On' }}
      run: |
        # Run cppyy
        source .venv/bin/activate
        export PYTHONPATH=$PYTHONPATH:$CPYCPPYY_DIR:$CB_PYTHON_DIR
        python -c "import cppyy"
        # We need PYTHONPATH later
        echo "PYTHONPATH=$PYTHONPATH" >> $GITHUB_ENV
    - name: Run the tests
      if: ${{ matrix.cppyy == 'On' }}
      run: |
        # Run the tests
        source .venv/bin/activate
        cd cppyy/test
        echo ::group::Prepare For Testing
        make all
        python -m pip install --upgrade pip
        python -m pip install pytest
        python -m pip install pytest-xdist
        python -m pip install numba
        echo ::endgroup::
        echo ::group::Run complete test suite
        set -o pipefail
        python -m pytest -sv -ra | tee complete_testrun.log 2>&1
        set +o pipefail
        echo ::group::Crashing Test Logs
        # See if we don't have a crash that went away
        # Comment out all xfails but the ones that have a run=False condition.
        find . -name "*.py" -exec sed -i '/run=False/!s/^ *@mark.xfail\(.*\)/#&/' {} \;
        python -m pytest -n 1 -m "xfail" --runxfail -sv -ra --max-worker-restart 512 | tee test_crashed.log 2>&1 || true
        git checkout .
        echo ::endgroup::
        echo ::group::XFAIL Test Logs
        # Rewrite all xfails that have a run clause to skipif. This way we will
        # avoid conditionally crashing xfails
        find . -name "*.py" -exec sed -i -E 's/(^ *)@mark.xfail\(run=(.*)/\1@mark.skipif(condition=not \2/g' {} \;
        # See if we don't have an xfail that went away
        python -m pytest --runxfail -sv -ra  | tee test_xfailed.log 2>&1 || true
        git checkout .
        echo ::endgroup::
        echo ::group::Passing Test Logs

        # Run the rest of the non-crashing tests.
        declare -i RETCODE=0

        set -o pipefail
    
        echo "Running valgrind on passing tests"
        CLANG_VERSION="${{ matrix.clang-runtime }}"
        SUPPRESSION_FILE="../etc/clang${CLANG_VERSION}-valgrind.supp"
        valgrind --show-error-list=yes --error-exitcode=1 --track-origins=yes --suppressions="${SUPPRESSION_FILE}" --suppressions=../etc/valgrind-cppyy-cling.supp python -m pytest -m "not xfail" -sv -ra
        export RETCODE=+$?
        echo ::endgroup::

        RETCODE=+$?

        echo "Complete Test Suite Summary: \n"
        tail -n1 complete_testrun.log
        echo "Crashing Summary: \n"
        tail -n1 test_crashed.log
        echo "XFAIL Summary:"
        tail -n1 test_xfailed.log
        echo "Return Code: ${RETCODE}"
        exit $RETCODE
            
    - name: Show debug info
      if: ${{ failure() }}
      run: |
        export
        echo $GITHUB_ENV

    - name: Setup tmate session
      if: ${{ failure() && runner.debug }}
      uses: mxschmitt/action-tmate@v3
      # When debugging increase to a suitable value!
      timeout-minutes: 30