Right now pam USE flag on anubis enable PAM authentication, but no default configuration file is provided. Most likely you want to use this line in src_install after inheriting pam: pamd_mimic system-auth anubis auth account session The example PAM configuration file in the source distribution is _not_ good for Gentoo.
+*anubis-4.1.1 (13 Jun 2011) + + 13 Jun 2011; Eray Aslan <eras@gentoo.org> +files/4.1.1-gnutls.patch, + +files/4.1.1-gpgme.patch, +files/4.1.1-testsuite.patch, +anubis-4.1.1.ebuild: + Version bump - bug #253193. Correct pam.d file - bug #210818. Do not abuse + ROOT - bug #258110. +