Add clang-18 build

.github/workflows/build.yml

@@ -54,8 +54,8 @@ jobs:
       - name: CMake Test
         run: cd build/${{matrix.preset}} && ctest --verbose
 
-  build-linux:
+  build-linux-gcc:
-    name: Build Linux
+    name: Build Linux GCC
     runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
@@ -83,6 +83,52 @@ jobs:
       - name: Upload Artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: Linux ${{matrix.configuration}} Artifacts
+          name: Linux GCC ${{matrix.configuration}} Artifacts
+          path: |
+            build/${{matrix.preset}}/artifacts/*
+
+  build-linux-clang:
+    name: Build Linux Clang
+    runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        configuration:
+          - Debug
+          - Release
+        include:
+          - configuration: Debug
+            preset: debug
+          - configuration: Release
+            preset: release
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install Ninja
+        uses: seanmiddleditch/gha-setup-ninja@v5
+
+      - name: Install Clang
+        run: |
+          sudo apt update
+          sudo apt install -y wget gnupg software-properties-common
+          wget https://apt.llvm.org/llvm-snapshot.gpg.key -O- | sudo gpg --dearmor -o /usr/share/keyrings/llvm-archive-keyring.gpg
+          echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg] https://apt.llvm.org/$(lsb_release -sc)/ llvm-toolchain-$(lsb_release -sc)-18 main" | sudo tee /etc/apt/sources.list.d/llvm.list
+          sudo apt update
+          sudo apt install -y clang-18 lld-18
+          sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang-18 100
+          sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-18 100
+          sudo update-alternatives --set cc /usr/bin/clang-18
+          sudo update-alternatives --set c++ /usr/bin/clang++-18
+
+      - name: CMake Build
+        run: cmake --workflow --preset=${{matrix.preset}}
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: Linux Clang ${{matrix.configuration}} Artifacts
           path: |
             build/${{matrix.preset}}/artifacts/*