Quote Originally Posted by mlahlou View Post
So i disabled CONFIG += silent but i didn't see anything related to qwt in the terminal when i ran make.
What indicates, that your qmake configuration didn't work as you should see the settings from .../features/qwt.prf.

So better double check what you did - maybe trying to replace "CONFIG += qwt" in qwtpolarbuild.pri by an explicit: "include ( .../features/qwt.prf )"

Uwe