CMake Error at duplicate-target.cmake:[0-9]+ \(add_library\): add_library cannot create ALIAS target "alias1" because another target with the same name already exists. Call Stack \(most recent call first\): duplicate-target-CMP0107-NEW.cmake:[0-9]+ \(include\) CMakeLists.txt:[0-9]+ \(include\) CMake Error at duplicate-target.cmake:[0-9]+ \(add_library\): add_library cannot create ALIAS target "alias1" because another target with the same name already exists. Call Stack \(most recent call first\): duplicate-target-CMP0107-NEW.cmake:[0-9]+ \(include\) CMakeLists.txt:[0-9]+ \(include\) CMake Error at duplicate-target.cmake:[0-9]+ \(add_library\): add_library cannot create ALIAS target "alias2" because another target with the same name already exists. Call Stack \(most recent call first\): duplicate-target-CMP0107-NEW.cmake:[0-9]+ \(include\) CMakeLists.txt:[0-9]+ \(include\) CMake Error at duplicate-target.cmake:[0-9]+ \(add_library\): add_library cannot create ALIAS target "alias2" because another target with the same name already exists. Call Stack \(most recent call first\): duplicate-target-CMP0107-NEW.cmake:[0-9]+ \(include\) CMakeLists.txt:[0-9]+ \(include\)