build-ubuntu.yml

name: Ubuntu

on:
  push:
  pull_request:
    branches: [ master ]

env:
  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
  BUILD_TYPE:   Release
  PROJECT_NAME: tcp_pubsub

jobs:
  build-ubuntu:

    strategy:
      matrix:
        library_type: [static, shared]
        os: [ubuntu-22.04, ubuntu-20.04]

    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
    # You can convert this to a matrix build if you need cross-platform coverage.
    # 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 }}

    steps:

    - name: Set Variables
      run: |
        if [[ '${{ matrix.library_type }}' == 'static' ]]; then
          echo "build_shared_libs=OFF"  >> "$GITHUB_ENV"
          echo "package_postfix=static" >> "$GITHUB_ENV"
        else
          echo "build_shared_libs=ON"   >> "$GITHUB_ENV"
          echo "package_postfix=shared" >> "$GITHUB_ENV"
        fi

    - name: Getting closer to vanilla Ubuntu 18.04
      run: |
        if [[ '${{ matrix.os }}' == 'ubuntu-18.04' ]]; then

          sudo apt-get -y update
        
          echo "Creating directory for libgcc1"
          mkdir libgcc1_deb
          cd libgcc1_deb
          pwd
        
          echo "Downloading bionic-security libgcc1"
          apt-get download -t bionic-security libgcc1
        
          echo "Purging GH Actions toolchain PPA"
          sudo apt-get -y install ppa-purge
          sudo ppa-purge -y ubuntu-toolchain-r/test
        
          echo "installing libgcc1_deb"
          sudo dpkg -i *
        
          echo "Installing g++"
          sudo apt-get -y install g++
        
          cd ..
        fi
      shell: bash

    - name: Checkout
      uses: actions/checkout@v4
      with:
        submodules:  'true'
        fetch-depth: 0

    ############################################
    # Test-compile the project
    ############################################

    - name: Configure CMake
      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
      run: |
           cmake -B ${{github.workspace}}/_build \
                 -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                 -DBUILD_SHARED_LIBS=${{ env.build_shared_libs }}

    - name: Build
      # Build your program with the given configuration
      run: cmake --build ${{github.workspace}}/_build --config ${{env.BUILD_TYPE}}

    - name: Read Project Version from CMakeCache
      run: |
        cmake_project_version_string=$(cat "${{github.workspace}}/_build/CMakeCache.txt" | grep "^CMAKE_PROJECT_VERSION:")
        arr=(${cmake_project_version_string//=/ })
        cmake_project_version=${arr[1]}
        echo "CMAKE_PROJECT_VERSION=$cmake_project_version"  >> "$GITHUB_ENV"
      shell: bash

    - name: CPack
      run: cpack -G DEB
      working-directory: ${{ github.workspace }}/_build

    - name: Rename .deb installer
      run: |
        mv *.deb '${{ env.PROJECT_NAME }}-${{ env.CMAKE_PROJECT_VERSION }}-${{ matrix.os }}-${{ env.package_postfix }}.deb'
      shell: bash
      working-directory: ${{github.workspace}}/_build/_package/

    - name: Upload binaries
      uses: actions/upload-artifact@v4
      with:
        name: ${{ env.PROJECT_NAME }}-${{ env.CMAKE_PROJECT_VERSION }}-${{ matrix.os }}-${{ env.package_postfix }}
        path: ${{github.workspace}}/_build/_package/*.deb

    ############################################
    # Test if our binary can be linked against
    ############################################

    - name: Install binaries
      shell: bash
      run: sudo dpkg -i ${{ github.workspace }}/_build/_package/*.deb

    - name: Compile integration test (Release)
      run: |
           cmake -B ${{github.workspace}}/samples/integration_test/_build/release -DCMAKE_BUILD_TYPE=Release
           cmake --build ${{github.workspace}}/samples/integration_test/_build/release
      working-directory: ${{ github.workspace }}/samples/integration_test

    - name: Run integration test (Release)
      run: ./integration_test
      working-directory: ${{ github.workspace }}/samples/integration_test/_build/release

    - name: Compile integration test (Debug)
      run: |
           cmake -B ${{github.workspace}}/samples/integration_test/_build/debug -DCMAKE_BUILD_TYPE=Debug
           cmake --build ${{github.workspace}}/samples/integration_test/_build/debug
      working-directory: ${{ github.workspace }}/samples/integration_test

    - name: Run integration test (Debug)
      run: ./integration_test
      working-directory: ${{ github.workspace }}/samples/integration_test/_build/debug