-RM-820-MR-Qt5 compilation
It looks like the source needs an update to build with Qt5:
#include ->#include <QtWidgets/QMainWindow>
and add
QT += printsupport to qxv.pro
There may be some other mods needed, but those two seem to get it building.
(from redmine: issue id 820, created on 2015-12-22, closed on 2016-01-04)