Qt4 is dead, no reverse-deps left. All rdeps depend with qt5(+) on qtkeychain so it is an easy change.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=675e60abdf587fd2d2f466fe830c4011fdefdaae commit 675e60abdf587fd2d2f466fe830c4011fdefdaae Author: Johannes Huber <johu@gentoo.org> AuthorDate: 2018-01-28 12:02:30 +0000 Commit: Johannes Huber <johu@gentoo.org> CommitDate: 2018-01-28 12:09:50 +0000 dev-libs/qtkeychain: Drop Qt4 support Closes: https://bugs.gentoo.org/639612 Package-Manager: Portage-2.3.20, Repoman-2.3.6 dev-libs/qtkeychain/qtkeychain-0.7.0.ebuild | 58 ++++++---------------------- dev-libs/qtkeychain/qtkeychain-0.8.0.ebuild | 60 +++++++---------------------- 2 files changed, 25 insertions(+), 93 deletions(-)