Fix cmake loookpu

Author: tstellar

.github/workflows/release-binaries.yml

@@ -158,7 +158,7 @@ jobs:
           # at Microsoft.Tools.WindowsInstallerXml.Cab.WixCreateCab.Complete(IntPtr newCabNamesCallBackAddress)
           # at Microsoft.Tools.WindowsInstallerXml.CabinetBuilder.CreateCabinet(CabinetWorkItem cabinetWorkItem)
           target_cmake_flags="$target_cmake_flags -DLLVM_RELEASE_ENABLE_LTO=OFF"
-          #target_cmake_flags="$target_cmake_flags -DLibXml2_DIR=/s/libxml-install/lib/cmake/libxml2-2.9.10/ -DLLVM_ENABLE_LIBXML2=FORCE_ON -DLIBXML2_LIBRARIES=/s/libxml-install/lib/libxml2s.lib -DLIBXML2_INCLUDE_DIR=/s/libxml-install/include/libxml2"
+          target_cmake_flags="$target_cmake_flags -DLLVM_ENABLE_LIBXML2=FORCE_ON"
         fi
 
         echo "target-cmake-flags=$target_cmake_flags" >> $GITHUB_OUTPUT
@@ -275,11 +275,13 @@ jobs:
       id: build
       shell: bash
       run: |
+        ls -l /c/vcpkg/packages/libxml2_x64-windows/
         # There were some issues on the ARM64 MacOS runners with trying to build x86 object,
         # so we need to set some extra cmake flags to disable this.
         cmake  -G Ninja -S llvm -B ${{ steps.setup-stage.outputs.build-prefix }}/build \
             ${{ needs.prepare.outputs.target-cmake-flags }} \
             -C clang/cmake/caches/Release.cmake \
+            -DCMAKE_PREFIX_PATH=/c/vcpkg/packages/libxml2_x64-windows/ \
             -DCMAKE_CXX_FLAGS=-DLIBXML_STATIC \
             -DCMAKE_C_FLAGS=-DLIBXML_STATIC \
             -DBOOTSTRAP_BOOTSTRAP_CPACK_PACKAGE_FILE_NAME="${{ needs.prepare.outputs.release-binary-basename }}"