Created attachment 200128 [details]
[patch] add USES=gettext-runtime
x11/libxklavier links with libintl.so. It should therefore depend directly on gettext-runtime (rather than indirectly via USE_GNOME knobs).
I'll let the committer decide if this merits a PORTREVISION bump. I don't think it does since nothing changes in the package.
While here, pet portlint a bit.
poudriere testport - ok
portlint - remove a couple warnings, add no new warnings
FWIW, libxklavier is explicitly unmaintained and deprecated upstream: