Rough first pass at nvhpc ci

.github/workflows/NVHPC.yml

@@ -0,0 +1,170 @@
+# Build using nvhpc installs of CUDA, using containers so doesn't fit in the ubuntu workflow.
+name: NVHPC
+
+# Run on branch push events (i.e. not tag pushes) and on pull requests
+on:
+  # Branch pushes that do not only modify other workflow files
+  push:
+    branches:
+      - '**'
+    paths:
+      - "**"
+      - "!.github/**"
+      - ".github/workflows/NVHPC.yml"
+  # Disabled for now. See https://github.com/FLAMEGPU/FLAMEGPU2/pull/644
+  # pull_request:
+  # Allow manual invocation.
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+# A single job, which builds manylinux2014 wheels, which ships with GCC 10.2.1 at the time of writing. If this bumps to unpatched 10.3 we might have issues w/ cuda. 
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    # Run steps inside a nvhpc container
+    container: ${{ matrix.cudacxx.container}}
+    strategy:
+      fail-fast: false
+      # Multiplicative build matrix
+      # optional exclude: can be partial, include: must be specific
+      matrix:
+        cudacxx:
+          - cuda: "12.3"
+            cuda_arch: "50"
+            hostcxx: nvhpc-23.11
+            os: ubuntu-22.04
+            container: nvcr.io/nvidia/nvhpc:23.11-devel-cuda12.3-ubuntu22.04
+        python:
+          - ""
+        #   - "3.12"
+        config:
+          - name: "Release"
+            config: "Release"
+            SEATBELTS: "ON"
+        VISUALISATION: 
+        #   - "ON"
+          - "OFF"
+
+    # Name the job based on matrix/env options
+    name: "build (${{ matrix.cudacxx.hostcxx }}, ${{matrix.python}}, ${{ matrix.VISUALISATION }}, ${{ matrix.config.name }}, ${{ matrix.cudacxx.os }})"
+
+    env:
+      # Define constants
+      BUILD_DIR: "build"
+      FLAMEGPU_BUILD_TESTS: "OFF"
+      # Conditional based on matrix via awkward almost ternary
+      FLAMEGPU_BUILD_PYTHON: ${{ fromJSON('{true:"ON",false:"OFF"}')[matrix.python != ''] }}
+      # Port matrix options to environment, for more portability.
+      CUDA: ${{ matrix.cudacxx.cuda }}
+      CUDA_ARCH: ${{ matrix.cudacxx.cuda_arch }}
+      HOSTCXX: ${{ matrix.cudacxx.hostcxx }}
+      OS: ${{ matrix.cudacxx.os }}
+      CONFIG: ${{ matrix.config.config }}
+      FLAMEGPU_SEATBELTS: ${{ matrix.config.SEATBELTS }}
+      PYTHON: ${{ matrix.python}}
+      VISUALISATION: ${{ matrix.VISUALISATION }}
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Add custom problem matchers for annotations
+      run: echo "::add-matcher::.github/problem-matchers.json"
+
+    - name: Select Python
+      if: ${{ env.PYTHON != '' && env.FLAMEGPU_BUILD_PYTHON == 'ON' }} 
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ env.PYTHON }}
+
+    # @todo - is some/all of this still required when using select Python?
+    - name: Install python dependencies
+      if: ${{ env.PYTHON != '' && env.FLAMEGPU_BUILD_PYTHON == 'ON' }}
+      run: |
+        sudo apt-get install python3-venv
+        python3 -m pip install --upgrade wheel build setuptools
+
+    - name: Install Visualisation Dependencies
+      if: ${{ startswith(env.OS, 'ubuntu') && env.VISUALISATION == 'ON' }}
+      run: |
+        # Install ubuntu-20.04 packages
+        if [ "$OS" == 'ubuntu-22.04' ]; then 
+            sudo apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype-dev
+        fi
+        if [ "$OS" == 'ubuntu-20.04' ]; then 
+            sudo apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype-dev
+        fi
+        # Install Ubuntu 18.04 packages
+        if [ "$OS" == 'ubuntu-18.04' ]; then 
+            sudo apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype6-dev libgl1-mesa-dev
+        fi
+
+    - name: Install Swig >= 4.0.2
+      run: |
+        # Remove existing swig install, so CMake finds the correct swig
+        if [ "$OS" == 'ubuntu-20.04' ]; then 
+          sudo apt-get remove -y swig swig4.0
+        fi
+        # Install Ubuntu 18.04 packages
+        if [ "$OS" == 'ubuntu-18.04' ]; then 
+          sudo apt-get remove -y swig
+        fi
+        # Install additional apt-based dependencies required to build swig 4.0.2
+        sudo apt-get install -y bison
+        # Create a local directory to build swig in.
+        mkdir -p swig-from-source && cd swig-from-source
+        # Install SWIG building from source dependencies
+        wget https://github.com/swig/swig/archive/refs/tags/v4.0.2.tar.gz
+        tar -zxf v4.0.2.tar.gz
+        cd swig-4.0.2/
+        ./autogen.sh
+        ./configure
+        make
+        sudo make install
+
+
+    - name: Configure cmake
+      run: >
+        cmake . -B "${{ env.BUILD_DIR }}"
+        -DCMAKE_BUILD_TYPE="${{ env.CONFIG }}"
+        -Werror=dev
+        -DCMAKE_WARN_DEPRECATED="OFF" 
+        -DFLAMEGPU_WARNINGS_AS_ERRORS="ON"
+        -DCMAKE_CUDA_ARCHITECTURES="${{ env.CUDA_ARCH }}"
+        -DFLAMEGPU_BUILD_TESTS="${{ env.FLAMEGPU_BUILD_TESTS }}"
+        -DFLAMEGPU_BUILD_PYTHON="${{ env.FLAMEGPU_BUILD_PYTHON }}"
+        -DPYTHON3_EXACT_VERSION="${{ env.PYTHON }}"
+        -DFLAMEGPU_VISUALISATION="${{ env.VISUALISATION }}"
+        -DFLAMEGPU_ENABLE_NVTX="ON"
+        
+    - name: Build static library
+      working-directory: ${{ env.BUILD_DIR }}
+      run: cmake --build . --target flamegpu --verbose -j `nproc`
+
+
+    - name: Build python wheel
+      if: ${{ env.FLAMEGPU_BUILD_PYTHON == 'ON' }}
+      working-directory: ${{ env.BUILD_DIR }}
+      run: cmake --build . --target pyflamegpu --verbose -j `nproc`
+
+    - name: Build tests
+      if: ${{ env.FLAMEGPU_BUILD_TESTS == 'ON' }}
+      working-directory: ${{ env.BUILD_DIR }}
+      run: cmake --build . --target tests --verbose -j `nproc`
+
+    - name: Build all remaining targets
+      working-directory: ${{ env.BUILD_DIR }}
+      run: cmake --build . --target all --verbose -j `nproc`
+
+      # Upload wheel artifacts to the job on GHA, with a short retention
+    # Use a unique name per job matrix run, to avoid a risk of corruption according to the docs (although it should work with unique filenames)
+    # - name: Upload Wheel Artifacts
+    #   if: ${{env.FLAMEGPU_BUILD_PYTHON == 'ON' }}
+    #   uses: actions/upload-artifact@v3
+    #   with:
+    #     name: ${{ env.ARTIFACT_NAME }}
+    #     path: ${{ env.BUILD_DIR }}/lib/${{ env.CONFIG }}/python/dist/*.whl
+    #     if-no-files-found: error
+    #     retention-days: 5