diff -up irssi-xmpp-0.52/config.mk.config irssi-xmpp-0.52/config.mk
--- irssi-xmpp-0.52/config.mk.config	2009-09-09 03:33:13.000000000 +0200
+++ irssi-xmpp-0.52/config.mk	2010-12-06 11:47:11.577275655 +0100
@@ -22,7 +22,7 @@ INCS =	${LIB_INCS} \
 LIBS =	${LIB_LIBS}
 
 # flags
-CFLAGS = -fPIC -std=c99 -DUOFF_T_LONG
+CFLAGS += -fPIC -std=c99 -DUOFF_T_LONG ${INCS} ${RH_FLAGS}
 LDFLAGS = -shared
 
 # debug