--- Gentoo/usr/portage/net-nds/openldap/openldap-2.4.21.ebuild	2010-08-16 16:02:11.000000000 -0400
+++ src/wtk-prefix-overlay/net-nds/openldap/openldap-2.4.21.ebuild	2011-06-21 10:03:48.000000000 -0400
@@ -465,12 +465,14 @@
 		einfo "Building contrib-module: addrdnvalues plugin"
 		"${CC}" -shared \
 			-I../../../include \
+			-L../../../libraries/libldap/.libs \
+			-L../../../servers/slapd/slapi/.libs \
 			${CFLAGS} \
 			-fPIC \
 			${LDFLAGS} \
 			-o libaddrdnvalues-plugin.so \
-			addrdnvalues.c || die "Building libaddrdnvalues-plugin.so failed"
-
+			addrdnvalues.c \
+			-l slapi -l ldap || die "Building libaddrdnvalues-plugin.so failed"
 	fi
 }