FredBezies [1] filed a deletion request for libqglviewer-qt4 [2]: Qt4 version is long dead.
Jun 14th, 2017 Version 2.7.0 QGLViewer extends QOpenGLWidget instead of the deprecated QGLWidget. This version has a minimum requirement of Qt version 5.4. [1] https://aur.archlinux.org/account/FredBezies/ [2] https://aur.archlinux.org/pkgbase/libqglviewer-qt4/
