Current source ships with service unit. Not sure if modifications would need to be made. Reproducible: Always
+*audit-2.2.2-r1 (30 Mar 2014) + + 30 Mar 2014; Pacho Ramos <pacho@gentoo.org> +audit-2.2.2-r1.ebuild: + Install systemd unit files instead of not used rc/sysconfig fedora stuff that + was being manually removed at install phase (#503374 by Reuben Martin) +