Add compiler versions to CI matrix

Relates to #349

Signed-off-by: Evan Flynn <[email protected]>

Author: flynneva

.github/workflows/build_test.yml

@@ -70,16 +70,29 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        compiler:
+          - gcc-10
+          - gcc-12
+          - gcc-14
+          - clang-14
+          - clang-16
+          - clang-18
         ros_distro: ${{ fromJson(needs.get_ros_distros.outputs.series) }}
         include:
           ${{ fromJson(needs.get_ros_distros.outputs.matrix) }}
+        exclude:
+          - { ros_distro: humble, compiler: gcc-14 }
+          - { ros_distro: humble, compiler: clang-16 }
+          - { ros_distro: humble, compiler: clang-18 }
+
     container:
       image: rostooling/setup-ros-docker:${{ matrix.docker_image }}
     steps:
       - name: Install dependencies
         run: |
           sudo apt-get update
           sudo apt-get -y install policykit-1 libgtk2.0-common screen uml-utilities libc6-dev libicu-dev gcc python3 python3-pip
+          sudo apt-get -y install ${{ matrix.compiler }}
           mkdir renode_portable
           wget https://builds.renode.io/renode-latest.linux-portable.tar.gz
           tar xf  renode-latest.linux-portable.tar.gz -C renode_portable --strip-components=1
@@ -89,22 +102,17 @@ jobs:
         uses: actions/checkout@v4
         with:
           path: $ROS_WORKSPACE_PATH/usb_cam
+      - name: Set compiler
+        run: |
+          export CC=${{ matrix.compiler }}
+          export CXX=${{ matrix.compiler }}
       - name: Build and Test
         id: build_and_test_step
         uses: ros-tooling/action-ros-ci@master
         with:
           package-name: usb_cam
           target-ros2-distro: ${{ matrix.ros_distro }}
           vcs-repo-file-url: ""
-          colcon-defaults: |
-            {
-              "build": {
-                "mixin": ["coverage-gcc"]
-              }
-            }
-          # If possible, pin the repository in the workflow to a specific commit to avoid
-          # changes in colcon-mixin-repository from breaking your tests.
-          colcon-mixin-repository: https://raw.githubusercontent.com/colcon/colcon-mixin-repository/1ddb69bedfd1f04c2f000e95452f7c24a4d6176b/index.yaml
       # Compile again, this time enabling integration tests
       - name: Build integration tests
         shell: bash