--- /usr/portage/net-mail/cyrus-imapd/cyrus-imapd-2.2.12.ebuild	2005-07-13 16:36:00.000000000 +0200
+++ /usr/local/portage/net-mail/cyrus-imapd/cyrus-imapd-2.2.12.ebuild	2006-04-14 17:24:26.000000000 +0200
@@ -194,6 +194,12 @@
 		myconf="${myconf} --with-idle=poll"
 	fi
 
+	if use kerberos; then
+		myconf="${myconf} --with-auth=krb5"
+	else
+		myconf="${myconf} --with-auth=unix"
+	fi
+
 	econf \
 		--enable-murder \
 		--enable-listext \
@@ -203,7 +209,6 @@
 		--with-cyrus-user=cyrus \
 		--with-cyrus-group=mail \
 		--with-com_err=yes \
-		--with-auth=unix \
 		--without-perl \
 		--disable-cyradm \
 		${myconf} || die "econf failed"