CMake Error at target_link_directories.cmake:[0-9]+ \(target_link_directories\): Error evaluating generator expression: \$ \$ may only be used with binary targets to specify group of link libraries through 'LINK_LIBRARIES', 'INTERFACE_LINK_LIBRARIES', and 'INTERFACE_LINK_LIBRARIES_DIRECT' properties. Call Stack \(most recent call first\): CMakeLists.txt:[0-9]+ \(include\)