update (#439)

Author: mlund

.github/workflows/cmake.yml

@@ -12,14 +12,14 @@ jobs:
     # well on Windows or Mac.  You can convert this to a matrix build if you need
     # cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     steps:
-
-    - name: Set up Clang
-      uses: egor-tensin/setup-clang@v1
-      with:
-        version: latest
+    - name: Install newer Clang
+      run: |
+        wget https://apt.llvm.org/llvm.sh
+        chmod +x ./llvm.sh
+        sudo ./llvm.sh 17
 
     - uses: actions/checkout@v2
 
@@ -38,15 +38,17 @@ jobs:
       # The CMake binaries on the Github Actions machines are (as of this writing) 3.12
       # Force libc++ due to https://github.com/actions/runner-images/issues/8659
       run: |
-        export LDFLAGS="-fuse-ld=lld"
-        cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DENABLE_OPENMP=on -DENABLE_PYTHON=off -DENABLE_TBB=off -DCMAKE_CXX_FLAGS="-stdlib=libc++"
+        export CXX=clang++-17
+        export CC=clang-17
+        cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DENABLE_OPENMP=on -DENABLE_PYTHON=off -DENABLE_TBB=off -DCMAKE_C_COMPILER=clang-17 -DCMAKE_CXX_COMPILER=clang++-17
 
     - name: Build
       working-directory: ${{github.workspace}}/build
       shell: bash
       # Execute the build.  You can specify a specific target with "--target <NAME>"
       run: |
-        export LDFLAGS="-fuse-ld=lld"
+        export CXX=clang++-17
+        export CC=clang-17
         cmake --build . --config $BUILD_TYPE --target faunus -j 2
 
     - name: Test