> However, the license for that derived work (I'll call it A) claims > that the whole of A must be GPL'd. However, Qt is not part of A (the > GPL says "section of"). Qt provides services to A, and A depends on > those services: A very different thing.
Qt is part of the derived work. It is linked to it and the work A does not function without it. It is also not a public API and your message to Preston concerning possible legal action against harmony makes it clear you regard the item as actively protected IPR not an open API
