2009/1/5 Mauro de Wit <maurodewit@xxxxxxxxx>: > If I copy the method signature from the Deskbar source (interfacePrivate.h) > to my own header file, doesn't the compiler expect me to implement those > methods in my cpp file? The compiler doesn't need to know anything about the implementation. It will be satisfied just by the correct headers. When the linker kicks in, it will search the implementation of those functions in the libraries you linked against. In this case, these are in libbe.so