Quote Originally Posted by Uwe View Post
You also have to add the QWT_DLL define !
As I mentioned, I added 'qwtd' to target_link_libraries, which seems to be enough.

Quote Originally Posted by Uwe View Post
I recommend to read qwt.prf ( and its includes ) to find out what needs to be set for building a Qwt application.
Been there, done that, seems like I added all I need.
My project compiles fine and works like it should.