diff -up irssi-xmpp-0.50/config.mk.config irssi-xmpp-0.50/config.mk
--- irssi-xmpp-0.50/config.mk.config	2010-03-28 14:30:00.373297019 +0200
+++ irssi-xmpp-0.50/config.mk	2010-03-28 14:30:18.366623472 +0200
@@ -22,7 +22,7 @@ INCS =	${LIB_INCS} \
 LIBS =	${LIB_LIBS}
 
 # flags
-CFLAGS = -fPIC -std=c99 -DUOFF_T_LONG ${INCS}
+CFLAGS = -fPIC -std=c99 -DUOFF_T_LONG ${INCS} $(RH_FLAGS)
 LDFLAGS = -shared ${LIBS}
 
 # debug