Trying to add Clang to build CI

.github/workflows/build.yml

@@ -18,6 +18,26 @@ jobs:
         with:
           name: box16-nr42.xx-linux
           path: build/box16/
+  build-ubuntu-clang:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Dependencies
+        run: |
+          sudo apt-get update && sudo apt-get install -y make build-essential libgtk-3-dev libsdl2-dev
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v2
+        with:
+          version: "10.0"
+      - name: Build Box16 (Ubuntu-Clang)
+        run: |
+          cd build
+          make
+      - name: Archive Ubuntu-Clang build
+        uses: actions/upload-artifact@v3
+        with:
+          name: box16-nr42.xx-linux-clang
+          path: build/box16/
   build-ubuntu-trace:
     runs-on: ubuntu-latest
     steps: