CMake Warning \(dev\) at CMP0039-WARN.cmake:5 \(target_link_libraries\): Policy CMP0039 is not set: Utility targets may not have link dependencies. Run "cmake --help-policy CMP0039" for policy details. Use the cmake_policy command to set the policy and suppress this warning. Utility target "utility" should not be used as the target of a target_link_libraries call. Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\) This warning is for project developers. Use -Wno-dev to suppress it.