coot installs also ".a/.la" files; I think that if they not need to other packages you can drop directly them. Otherwise you can create static-libs IUSE. Thanks
+*coot-0.6.2-r1 (07 Oct 2011) + + 07 Oct 2011; Justin Lecher <jlec@gentoo.org> +coot-0.6.2-r1.ebuild: + Moved to autotools-utils.eclass in order to have correct .a/la file handling, + #385865 +