CMake Warning in CMakeLists.txt: Policy CMP0041 is not set: Error on relative include with generator expression. Run "cmake --help-policy CMP0041" for policy details. Use the cmake_policy command to set the policy and suppress this warning. Target "foo" INTERFACE_INCLUDE_DIRECTORIES property contains relative path: "include/\$" CMake Warning in CMakeLists.txt: Policy CMP0041 is not set: Error on relative include with generator expression. Run "cmake --help-policy CMP0041" for policy details. Use the cmake_policy command to set the policy and suppress this warning. Target "foo" INTERFACE_INCLUDE_DIRECTORIES property contains path: ".*/Tests/RunCMake/CMP0041/include/\$" which is prefixed in the source directory. CMake Warning in CMakeLists.txt: Policy CMP0041 is not set: Error on relative include with generator expression. Run "cmake --help-policy CMP0041" for policy details. Use the cmake_policy command to set the policy and suppress this warning. Target "foo" INTERFACE_INCLUDE_DIRECTORIES property contains path: ".*/Tests/RunCMake/CMP0041/CMP0041-WARN-build/include/\$" which is prefixed in the build directory.