testing...

.github/workflows/lint.yml

@@ -44,13 +44,24 @@ jobs:
         if: "${{ matrix.os == 'macos-latest' }}"
         run: |
           brew update
-          brew install llvm
+          brew install llvm@18
+          sudo ln -s /usr/bin/clang-format /usr/local/bin/clang-format-18
+          sudo ln -s /usr/bin/clang-tidy /usr/local/bin/clang-tidy-18
+
+      - name: "testing..."
+        run: |
+          echo "$(which clang)"
+          clang --version
+          echo "$(which clang++)"
+          clang++ --version
+          echo "$(which clang-format)"
+          clang-format --version
 
       - name: "Linux: install clang/llvm"
         if: "${{ matrix.os == 'ubuntu-latest' }}"
         run: |
-          curl --proto '=https' --tlsv1.2 -sSf https://apt.llvm.org/llvm.sh | sudo bash -s --
-          sudo apt install -y clang-format clang-tidy
+          curl --proto '=https' --tlsv1.2 -sSf https://apt.llvm.org/llvm.sh | sudo bash -s -- 18
+          sudo apt install -y clang-format-18 clang-tidy-18
 
       - name: "Build for compile commands.json"
         run: |
@@ -59,8 +70,8 @@ jobs:
 
       - name: "Clang format"
         run: |
-          find cpp/src -type f | xargs clang-format -i
+          find cpp/src -type f | xargs clang-format-18 -i
 
       - name: "Clang tidy"
         run: |
-          find cpp/src -type f | xargs clang-tidy
+          find cpp/src -type f | xargs clang-tidy-18