Installing LLVM

Author: TonioGela

.github/workflows/ci.yml

@@ -22,6 +22,14 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Install explicit LLVM toolchain
+        shell: bash
+        if: ${{ inputs.llvm-version != '' }}
+        run: |
+          wget https://apt.llvm.org/llvm.sh
+          chmod +x llvm.sh
+          (yes "" || true) | sudo ./llvm.sh 19
+
       - name: Show clang version
         run: clang --version