cmake-build-linux.yml

name: CMake-based build on (Ubuntu) Linux

on:
  workflow_dispatch:

  push:
    branches: [ master, development, driver-wrappers, workflows ]
    paths:
      - "**"
      - "!.github/**"
      - ".github/action-scripts/install-cuda-linux.ps1"
      - ".github/workflows/cmake-build-linux.yml"

  pull_request:
    branches: [ master, development, driver-wrappers, workflows ]
    paths:
      - "**"
      - "!.github/**"
      - ".github/action-scripts/install-cuda-linux.ps1"
      - ".github/workflows/cmake-build-linux.yml"

env:
  build_type: "Release"      
  build_examples: "ON"      
  makeflags: "--no-print-directory"

jobs:
  build:
    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      # explicit include-based build matrix, of known valid options
      matrix:
        include:
        - os: ubuntu-20.04
          cuda: "12.1"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "12.0"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.8"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.7"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.6.2"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.6.1"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.6"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.5"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.4"
          gcc: 10
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.3"
          gcc: 9 # may fail with gcc-10 due to an internal compiler error
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.2"
          gcc: 9 # may fail with gcc-10 due to an internal compiler error
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.1"
          gcc: 9 # may fail with gcc-10 due to an internal compiler error
          shell: "bash"
          cmake-generator: "Unix Makefiles"
        - os: ubuntu-20.04
          cuda: "11.0"
          gcc: 9 # may fail with gcc-10 due to an internal compiler error
          shell: "bash"
          cmake-generator: "Unix Makefiles"
# NVIDIA has deprecated Ubuntu 16.04 and 18.04 runners
#
#        - os: ubuntu-18.04
#          cuda: "10.2"
#          gcc: 8
#          shell: "bash"
#          cmake-generator: "Unix Makefiles"
#        - os: ubuntu-18.04
#          cuda: "10.1"
#          gcc: 8
#          shell: "bash"
#          cmake-generator: "Unix Makefiles"
#        - os: ubuntu-18.04
#          cuda: "10.0"
#          gcc: 7 # fails with GCC 8 - no supported in CUDA 10.0
#          shell: "bash"
#          cmake-generator: "Unix Makefiles"
#       - os: ubuntu-16.04
#         cuda: "9.2"
#         gcc: 6
#         shell: "bash"
#         cmake-generator: "Unix Makefiles"
#       - os: ubuntu-16.04
#         cuda: "9.1"
#         gcc: 6
#         shell: "bash"
#         cmake-generator: "Unix Makefiles"
#       - os: ubuntu-16.04
#         cuda: "9.0"
#         gcc: 6
#         shell: "bash"
#         cmake-generator: "Unix Makefiles"
#       - os: ubuntu-16.04
#         cuda: "8.0"
#         gcc: 6
#         shell: "bash"
#         cmake-generator: "Unix Makefiles"
    env:
      build_dir: "build"
    steps:
      - uses: actions/checkout@v3

      - name: Install CUDA on Ubuntu systems
        if: contains(matrix.os, 'ubuntu')
        env:
          cuda: ${{ matrix.cuda }}
        run: .github/action-scripts/install-cuda-ubuntu.sh
        shell: bash

      - name: Install CUDA on Windows
        if: contains(matrix.os, 'windows')
        env:
          cuda: ${{ matrix.cuda }}
        run: .github\action-scripts\install-cuda-windows.ps1
        shell: powershell

      - name: Install/Select GCC and G++
        if: ${{ matrix.os-type == 'ubuntu' }}
        run: |
          sudo apt-get install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }}
          echo "CC=/usr/bin/gcc-${{ matrix.gcc }}" >> $GITHUB_ENV
          echo "CXX=/usr/bin/g++-${{ matrix.gcc }}" >> $GITHUB_ENV
          echo "CUDAHOSTCXX=/usr/bin/g++-${{ matrix.gcc }}" >> $GITHUB_ENV

      # - name: Log the CMake version
      #   run: cmake --version

      - name: CMake configure
        id: configure
        run: cmake -B ${{ env.build_dir }} -G "${{ matrix.cmake-generator }}" ${{ matrix.platform-flag }} -DCMAKE_BUILD_TYPE=${{ env.build_type }} -DCAW_BUILD_EXAMPLES=ON

      - name: Process potential errors in CMake configuration
        if: ${{ failure() && steps.configure.outcome == 'failure' }}
        working-directory: ${{ env.build_dir }}
        run: |
          if [[ -f "CMakeFiles/CMakeOutput.log" ]]; then
            echo "---- CMakeFiles/CMakeOutput.log"
            cat CMakeFiles/CMakeOutput.log
            echo "----"
          fi
          if [[ -f "CMakeFiles/CMakeError.log" ]]; then
            echo "---- CMakeFiles/CMakeError.log"
            cat CMakeFiles/CMakeError.log
            echo "----"
          fi

      - name: Build
        env:
          MAKEFLAGS: "--no-print-dir"
        # Note: `--config` will do nothing with single-config generation, e.g. GNU Make.
        run: cmake --build ${{env.build_dir}} --config ${{ env.build_type }} --verbose --parallel `nproc`

      # - name: Test
        # working-directory: ${{github.workspace}}/build
        # There are currently no unit tests defined by the cmake configuration!
        # ... plus, the tests will be mostly useless on a machine without a GPU,
        # so we can't really test.
        # run: ctest -C ${{env.BUILD_TYPE}}