See blocker bug for more detail. I'll attach a patch demonstrating how other packages have fixed this Reproducible: Always
Created attachment 442326 [details, diff] Fix libtool RDEPEND
there's no need for ||() deps anymore ... those were to deal with lack of non-stable libltdl deps. i had updated imagemagick, but forgot about graphicsmagick. thanks for the heads up. https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f423fa3ae370c3365017ae750bb4f0778e2eedb0