diff -Nur sys-freebsd.orig/freebsd-pam-modules/freebsd-pam-modules-9.1_rc3.ebuild sys-freebsd/freebsd-pam-modules/freebsd-pam-modules-9.1_rc3.ebuild
--- sys-freebsd.orig/freebsd-pam-modules/freebsd-pam-modules-9.1_rc3.ebuild	2012-11-06 21:55:48.000000000 +0900
+++ sys-freebsd/freebsd-pam-modules/freebsd-pam-modules-9.1_rc3.ebuild	2012-11-24 06:51:45.000000000 +0900
@@ -2,6 +2,8 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/sys-freebsd/freebsd-pam-modules/freebsd-pam-modules-9.1_rc3.ebuild,v 1.1 2012/11/06 12:55:48 aballier Exp $
 
+EAPI=2
+
 inherit bsdmk freebsd multilib pam
 
 DESCRIPTION="FreeBSD's PAM authentication modules"
@@ -28,9 +30,7 @@
 	use nis || mymakeopts="${mymakeopts} NO_NIS= "
 }
 
-src_unpack() {
-	unpack ${A}
-
+src_prepare() {
 	cd "${WORKDIR}"/lib
 
 	for module in pam_deny pam_passwdqc pam_permit; do