Please bump to EAPI-7 as well. Upstream made 1 commit in 2,5 years, but at least it still builds even against Qt 5.15 at this point.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4327eadd31cbeca4aaa05c033a62ba3a7baac053 commit 4327eadd31cbeca4aaa05c033a62ba3a7baac053 Author: Jeroen Roovers <jer@gentoo.org> AuthorDate: 2020-09-15 20:19:15 +0000 Commit: Jeroen Roovers <jer@gentoo.org> CommitDate: 2020-09-15 20:20:34 +0000 x11-misc/evolvotron: Depend on dev-qt/qtwidgets:5, drop old HOMEPAGE Package-Manager: Portage-3.0.7, Repoman-3.0.1 Closes: https://bugs.gentoo.org/724630 Closes: https://bugs.gentoo.org/742692 Signed-off-by: Jeroen Roovers <jer@gentoo.org> x11-misc/evolvotron/evolvotron-0.7.1-r1.ebuild | 54 ++++++++++++++++++++++++++ x11-misc/evolvotron/evolvotron-0.7.1.ebuild | 3 +- 2 files changed, 56 insertions(+), 1 deletion(-)