Added clang build

.gitlab/ci/build.gitlab-ci.yml

@@ -17,6 +17,26 @@ build:ubuntu_cpp:
       - build_cpp/
       - install_cpp/
 
+build:ubuntu_cpp_clang:
+  stage: build
+  needs: []
+  tags:
+    - docker
+
+  script:
+    - mkdir -p build_cpp
+    - mkdir -p install_cpp
+    - cd build_cpp
+    - export CXX=/usr/bin/clang++
+    - cmake -DCMAKE_INSTALL_PREFIX:PATH=../install_cpp -DCMAKE_BUILD_TYPE=Debug -DWERROR=ON -DCOVERAGE=ON ..
+    - make -j4 all install
+
+  artifacts:
+    expire_in: 1 week
+    paths:
+      - build_cpp/
+      - install_cpp/
+
 build:ubuntu_python:
   stage: build
   needs: []