--- kdm.orig/kdm-4.7.3-r1.ebuild	2012-01-13 00:15:27.271051687 +0800
+++ kdm.orig/kdm-4.7.3-r1.ebuild	2012-01-15 18:22:32.729042380 +0800
@@ -50,6 +50,16 @@ 
 	enewuser kdm -1 -1 "${KDM_HOME}" kdm
 }
 
+src_prepare() {
+	if use pam; then
+		epatch "${FILESDIR}"/kdebase-4.0.2-pam-optional.patch
+	else
+		epatch "${FILESDIR}"/no-pam.patch
+	fi
+
+	kde4-meta_src_prepare
+}
+
 src_configure() {
 	# genkdmconf breaks with -O3
 	# last checked in 4.2.95