New versions of AdvanceMAME (0.102.0) and AdvanceMENU (2.4.12) have been released. Reproducible: Always Steps to Reproduce: 1. 2. 3.
http://www.gentoo.org/proj/en/desktop/games/#doc_chap5_sect5 plus, they're already in portage.
Oh! My apologies for the noise.