Extend CI pipeline by additional CI use cases

* New CI jobs are license_compliance, lint, build, test, run.

.gitlab-ci.yml

@@ -6,11 +6,32 @@
 ---
 
 stages:
+  - lint
+  - build
+  - test
   - run
 
-run:
-  image: gcc:14
-  stage: run
+license_compliance:
+  image: python:3.9
+  stage: lint
+  before_script:
+    - pip install --upgrade pip
+    - pip install reuse
+  script:
+    - reuse lint
+
+lint:
+  image: python:3.9
+  stage: lint
+  before_script:
+    - pip install --upgrade pip
+    - pip install cpplint
+  script:
+    - cpplint --recursive src/ tests/
+
+build:gcc:10:
+  image: gcc:10
+  stage: build
   before_script:
     - apt-get update && apt-get -qy install python3 python3-pip pipx
     - pipx ensurepath && source ~/.bashrc
@@ -18,6 +39,75 @@ run:
   script:
     - cmake -S . -B build
     - cmake --build build
-    - ./build/bin/helloWorld
+  artifacts:
+    paths:
+      - build/
+
+build:gcc:11:
+  image: gcc:11
+  stage: build
+  before_script:
+    - apt-get update && apt-get -qy install python3 python3-pip
+    - pip3 install cmake
+  script:
+    - cmake -S . -B build
+    - cmake --build build
+  artifacts:
+    paths:
+      - build/
+
+build:gcc:12:
+  image: gcc:12
+  stage: build
+  before_script:
+    - apt-get update && apt-get -qy install python3 python3-pip
+    - pip3 install cmake
+  script:
+    - cmake -S . -B build
+    - cmake --build build
+  artifacts:
+    paths:
+      - build/
+
+test:gcc:10:
+  image: gcc:10
+  stage: test
+  before_script:
+    - apt-get update && apt-get -qy install python3 python3-pip
+    - pip3 install cmake
+  script:
+    - cd build && ctest
+  dependencies:
+    - build:gcc:10
+
+test:gcc:11:
+  image: gcc:11
+  stage: test
+  before_script:
+    - apt-get update && apt-get -qy install python3 python3-pip
+    - pip3 install cmake
+  script:
+    - cd build && ctest
+  dependencies:
+    - build:gcc:11
+
+test:gcc:12:
+  image: gcc:12
+  stage: test
+  before_script:
+    - apt-get update && apt-get -qy install python3 python3-pip
+    - pip3 install cmake
+  script:
+    - cd build && ctest
+  dependencies:
+    - build:gcc:12
+
+run:
+  image: gcc:11
+  stage: run
+  script:
+    - cd build/bin/ && ./helloWorld
+  dependencies:
+    - build:gcc:11
 
 ...