diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt index 3234f440ba..9f1862230f 100644 --- a/cmake/CMakeLists.txt +++ b/cmake/CMakeLists.txt @@ -33,7 +33,9 @@ cmake_policy(SET CMP0048 NEW) cmake_policy(SET CMP0074 NEW) cmake_policy(SET CMP0078 OLD) cmake_policy(SET CMP0086 NEW) -cmake_policy(SET CMP0144 NEW) # find_package() uses upper-case _ROOT variables. +if (POLICY CMP0144) + cmake_policy(SET CMP0144 NEW) # find_package() uses upper-case _ROOT variables. +endif() if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE "Release")