--- a/llvm/CMakeLists.txt +++ b/llvm/CMakeLists.txt @@ -9,7 +9,9 @@ "at least 3.20.0 now to avoid issues in the future!") endif() -set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake) +if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS) + set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake) +endif() include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake NO_POLICY_SCOPE)