Qt4 is going away, let's use the opportunity to simplify the ebuild and reduce REQUIRED_USE conflicts at least for the live ebuild, so that the following version bumps are Qt5-only.
Created attachment 476044 [details, diff] retroshare-0.6.9999.ebuild.diff
commit 5f984067d33911e6a47d768ce5571118864e2618 Author: Sergey Popov <pinkbyte@gentoo.org> Date: Tue Jun 13 19:00:59 2017 +0300 net-p2p/retroshare-0.6.9999: drop Qt4 support Suggested-by: Andreas Sturmlechner <asturm@gentoo.org> Gentoo-Bug: 621502 Package-Manager: Portage-2.3.6, Repoman-2.3.1