If using Windows OS : As an alternative (may be) you can avoid QCreator and directly use VisualStudio with Qt integration Plug-In.
All my Qt projects with Pleora eBUS SDK are done this way for x86 and x64.
Last project does just-in-time matrix spline warping on incoming video stream from HD camera ( Sony Bloc H11 GEV ) : GUI is Qt, acquisition is eBUS-based
Good luck anyway
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