MacOS / Ubuntu CI for ViSP namespace

.github/workflows/macos-linux-namespace.yml

@@ -0,0 +1,82 @@
+name: MacOS-Linux-Namespace
+
+# https://www.jeffgeerling.com/blog/2020/running-github-actions-workflow-on-schedule-and-other-events
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+# https://stackoverflow.com/questions/66335225/how-to-cancel-previous-runs-in-the-pr-when-you-push-new-commitsupdate-the-curre#comment133398800_72408109
+# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#concurrency
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  build-macos:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest", "macos-latest"]
+        build_type: [Release]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Install dependencies on macos-latest
+      if: matrix.os == 'macos-latest'
+      run: |
+        brew install libpng libjpeg-turbo libdc1394 opencv pcl librealsense zbar nlohmann-json
+
+    - name: Install dependencies on Ubuntu
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        sudo apt-get update && sudo apt-get install -y libjpeg-dev libpng-dev libopencv-dev libpcl-dev libx11-dev liblapack-dev libeigen3-dev libv4l-dev libzbar-dev libpthread-stubs0-dev libdc1394-dev nlohmann-json3-dev
+
+    - name: Clone visp-images
+      env:
+        BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
+      # https://remarkablemark.org/blog/2022/09/25/check-git-branch-exists-in-remote-repository/
+      run: |
+        git clone --depth 1 https://github.com/lagadic/visp-images ${HOME}/visp-images
+        echo "VISP_INPUT_IMAGE_PATH=$HOME/visp-images" >> $GITHUB_ENV
+        echo ${VISP_INPUT_IMAGE_PATH}
+
+    # Openblas location is exported explicitly because openblas is keg-only,
+    # which means it was not symlinked into /usr/local/.
+    - name: Configure CMake
+      if: matrix.os == 'macos-latest'
+      run: |
+        export LDFLAGS="-L/usr/local/opt/openblas/lib"
+        export CPPFLAGS="-I/usr/local/opt/openblas/include"
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/tmp/usr/local -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_VISP_NAMESPACE=ON -DENABLE_EXPLICIT_KEYWORD=ON -DBUILD_DEPRECATED_FUNCTIONS=OFF
+        cat ViSP-third-party.txt
+
+    - name: Configure CMake
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/tmp/usr/local -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_VISP_NAMESPACE=ON -DENABLE_EXPLICIT_KEYWORD=ON -DBUILD_DEPRECATED_FUNCTIONS=OFF
+        cat ViSP-third-party.txt
+
+    - name: Determine number of processor on Ubuntu
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        echo "NPROC=$(nproc)" >> $GITHUB_ENV
+
+    - name: Determine number of processor on MacOS
+      if: matrix.os == 'macos-latest'
+      run: |
+        echo "NPROC=$(sysctl -n hw.logicalcpu)" >> $GITHUB_ENV
+
+    - name: Compile
+      working-directory: build
+      run: make -j${NPROC} install
+
+    - name: Run unit tests
+      working-directory: build
+      run: ctest -j${NPROC} --output-on-failure -V