emerging sys-libs/ncurses-5.7 : QA Notice: USE Flag 'berkdb' not in IUSE for sys-libs/ncurses-5.7
doesnt affect any of the build or install http://sources.gentoo.org/sys-libs/ncurses/ncurses-5.7.ebuild?r1=1.2&r2=1.3
Verified, closing.