The ebuild uses "ru_gold" as a possible LINGUAS value, which is neither a valid language tag nor is it listed in linguas.desc.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=fd453e376dd8a276b5c7082fe049fb73c4e60163 commit fd453e376dd8a276b5c7082fe049fb73c4e60163 Author: Ulrich Müller <ulm@gentoo.org> AuthorDate: 2018-01-07 00:31:17 +0000 Commit: Ulrich Müller <ulm@gentoo.org> CommitDate: 2018-01-07 00:31:17 +0000 games-strategy/ja2-stracciatella: Migrate from LINGUAS to L10N. Add an additional "ru-gold" USE flag, selecting between russian gold and russian language versions. Closes: https://bugs.gentoo.org/583766 Package-Manager: Portage-2.3.19, Repoman-2.3.6 .../ja2-stracciatella/ja2-stracciatella-0.12.1_p7072.ebuild | 11 +++++------ games-strategy/ja2-stracciatella/metadata.xml | 2 +- 2 files changed, 6 insertions(+), 7 deletions(-)