CMake Error at forbidden-arguments.cmake:[0-9]+ \(add_library\): Property LINK_LIBRARIES contains the invalid item "". The LINK_LIBRARIES property may contain the generator-expression "\$" which may be used to specify how the libraries are linked. Call Stack \(most recent call first\): CMakeLists.txt:[0-9]+ \(include\) CMake Error at forbidden-arguments.cmake:[0-9]+ \(target_link_libraries\): Property LINK_LIBRARIES contains the invalid item "". The LINK_LIBRARIES property may contain the generator-expression "\$" which may be used to specify how the libraries are linked. Call Stack \(most recent call first\): CMakeLists.txt:[0-9]+ \(include\)