As talked with Robin, it's time we do as others distros and make mariadb the default for virtual/mysql. Let's update 5.5 and later versions and leave 5.1 and earlier as they are.
I've done this on 5.5 for the overlay and will wait a few days before pushing it into the tree.
what is status?
01:32 < willikins> irker563: https://bugs.gentoo.org/474802 "virtual/mysql - make mariadb the default"; Gentoo Linux, New Ebuilds; IN_P; jmbsvicetto:mysql-bugs Finally done!