As summary -- the xdvik ebuilds depend on virtual/x11 regardless of modular X installation. For the ~x86 22.7* version, it seems like only libXmu and libXpm -- the rest are included by those two. I'm unfortunately not running the stable version, nor do I have a chroot available to emerge it into. Any other info that I need to provide is available on request.
Ping! We need a ported version stable or backport the modular X deps to current stable. Now the stable one depends on hardmasked and unsupported monolithic X. And while at it, blockers need to be mutual - texlive blocks xdvik, but not the other way round.
Sorry for the delay. Fixed modular X dependency and added app-text/texlive block.