libdbusmenu-lxqt : LXQt DBusMenu Implementation ( https://lxqt-project.org/ )
libqtxdg : Qt Implementation of XDG Standards ( https://lxqt-project.org/ )
libsystemd-qt : Qt wrapper for systemd API ( https://github.com/scarpin0/libsystemd-qt )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a qt
For Paludis use this rsync : rsync://gentoo.zugaina.org/qt-portage
If you have a problem : ycarus(-at-)zugaina.org