Quote Originally Posted by cristian.a View Post
On the other side, as I like having libraries together, that is how I
am using it now.
Come on - QTDIR is definitly not the place, where you have all your libraries and includes or where you put your own libraries and headers to.

Sooner or later you will start to use qmake to have the rules for moc in your build process. When using qmake you want to write "CONFIG += qwt" to get all the Qwt related definitions ( like QWT_DLL ). But the installed qwt.prf uses the paths, where you have installed Qwt - not some paths where you copied them later. Next you will come back with some sort of "it doesn't work" request.

Uwe