Add support for the Qt 5 application and UI framework
| Package | “qt5” Flag Description |
|---|---|
| dev-python/pyudev | Install PyQt5 bindings |
| games-simulation/flightgear | Build Qt5 launcher application |
| media-libs/osl | Build the osltoy binary |
| media-plugins/audacious-plugins | Build with Qt5 interface instead of GTK |
| media-sound/audacious | Build with Qt5 interface instead of GTK |
| media-video/guvcview | Build with Qt5 interface instead Gtk+ |