Enable 1 clang build

Author: CJLove

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
           # - { compiler: gcc, version: 15, build_type: Debug, cppstd: 20 }
           # - { compiler: gcc, version: 15, build_type: Release, cppstd: 20 }
 
-          # - { compiler: clang, version: 11, build_type: Release, cppstd: 17 }
+          - { compiler: clang, version: 11, build_type: Release, cppstd: 17 }
           # - { compiler: clang, version: 11, build_type: Debug, cppstd: 17 }
           # - { compiler: clang, version: 12, build_type: Debug, cppstd: 17 }
           # - { compiler: clang, version: 13, build_type: Debug, cppstd: 17 }
@@ -54,20 +54,15 @@ jobs:
           fi
           echo "CC=clang-${{ matrix.config.version }}" >> $GITHUB_ENV
           echo "CXX=clang++-${{ matrix.config.version }}" >> $GITHUB_ENV
-      # - name: vcpkg build
-      #   id: vcpkg
-      #   uses: johnwason/vcpkg-action@v7
-      #   with:
-      #     manifest-dir: ${{ github.workspace }} # Set to directory containing vcpkg.json
-      #     triplet: x64-windows-release
-      #     token: ${{ github.token }}
       - name: Setup vcpkg
         uses: lukka/run-vcpkg@v11
         with:
           vcpkgJsonGlob: '**/vcpkg.json'
           vcpkgDirectory: '${{ runner.workspace }}/b/vcpkg'
           vcpkgGitCommitId: 120deac3062162151622ca4860575a33844ba10b
       - name: Build
+        # Note that run-vcpkg sets VCPKG_ROOT so use it to specify the toolchain
+        # and avoid oddities with ${{ runner.workspace }}
         run: |
           mkdir -p build && cd build
           cmake .. \