How to force Qt to use Qt5 instead Qt4 on Ubuntu 16.04?

[Draqun]

Hi.

During work I saw there is problem with some methods. There was problem with some methods which are allows since Qt5. How to force QtCreator to use this version of Qt. I have installed both Qt4 and Qt5 on my machine. I tried changing QTDIR path but it does not work.

Best regards.
Draqun

[Draqun]

Ok found it: https://stackoverflow.com/questions/16667253/how-do-you-configure-qt-creator-to-use-both-qt4-and-qt5