Qt5

https://wiki.qt.io/Install_Qt_5_on_Ubuntu 
https://askubuntu.com/questions/610291/how-to-install-cmake-3-2-on-ubuntu
from https://github.com/junyanz/light-field-video yunyanz repo
https://forum.odroid.com/viewtopic.php?t=31070 mesa issue 
https://askubuntu.com/questions/654939/opengl-for-ubuntu14-building-qt-5-4 missig libs
=== links ===
raspberry_pi#qt5
Category:Linux