Add clang

.travis.yml

@@ -13,6 +13,11 @@ matrix:
             - docker
           env:
             - OPENLOCO_CMAKE_OPTS="-G Ninja -DCMAKE_BUILD_TYPE=RelWithDebInfo"
+        - os: linux
+          services:
+            - docker
+          env:
+            - OPENLOCO_CMAKE_OPTS="-G Ninja -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=RelWithDebInfo"
 
 script:
     - mkdir build

distribution/Dockerfile

@@ -3,3 +3,4 @@ RUN dpkg --add-architecture i386
 RUN apt-get update
 RUN apt-get -y upgrade
 RUN apt-get install --no-install-recommends -y pkg-config:i386 gcc-multilib g++-multilib cmake git libsdl2-dev:i386 ninja-build
+RUN apt-get install --no-install-recommends -y clang