dev-libs/libayatana-appindicator and dev-libs/libayatana-indicator are the only appindicators implementation that are still maintained and developped, while libappindicator are unmaintained for ages. In this case, you need to simply pass --with-libindicator=ayatana configure option and update depends to dev-libs/ayatana-ido and dev-libs/libayatana-indicator Thanks
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b8afea15baf635b92ba7eeb4773cff3c298d7d9c commit b8afea15baf635b92ba7eeb4773cff3c298d7d9c Author: Marek Szuba <marecki@gentoo.org> AuthorDate: 2023-03-01 21:30:21 +0000 Commit: Marek Szuba <marecki@gentoo.org> CommitDate: 2023-03-01 21:43:33 +0000 x11-misc/lightdm-gtk-greeter: migrate to ayatana indicators While at it, update EAPI 7 -> 8. Closes: https://bugs.gentoo.org/898396 Signed-off-by: Marek Szuba <marecki@gentoo.org> .../lightdm-gtk-greeter-2.0.8-r1.ebuild | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+)