--- a/rvinterf/lowlevel/Makefile	Thu Sep 21 23:30:53 2017 +0000
+++ b/rvinterf/lowlevel/Makefile	Thu Sep 21 23:45:05 2017 +0000
@@ -2,26 +2,26 @@
 CFLAGS=	-O2
 PROGS=	rvtdump rvinterf tfc139
 INSTBIN=/opt/freecalypso/bin
-LIBG23=	../libg23/libg23.a
+LIBS=	../../libserial/libserial.a ../libg23/libg23.a
 
-RVTDUMP_OBJS=	format.o format_fc.o openport.o output.o packetrx.o rvtdump.o
+RVTDUMP_OBJS=	format.o format_fc.o output.o packetrx.o rvtdump.o
 
 RVINTERF_OBJS=	clientcmd.o format.o format_fc.o localsock.o logsent.o \
-		openport.o output.o packetrx.o packettx.o pktfwd.o rviflcd.o \
+		output.o packetrx.o packettx.o pktfwd.o rviflcd.o \
 		rvifmain.o
 
-TFC139_OBJS=	format.o openport.o output.o packetrx.o packettx.o tfc139.o
+TFC139_OBJS=	format.o output.o packetrx.o packettx.o tfc139.o
 
 all:	${PROGS}
 
-rvtdump:	${RVTDUMP_OBJS} ${LIBG23}
-	${CC} ${CFLAGS} -o $@ ${RVTDUMP_OBJS} ${LIBG23}
+rvtdump:	${RVTDUMP_OBJS} ${LIBS}
+	${CC} ${CFLAGS} -o $@ ${RVTDUMP_OBJS} ${LIBS}
 
-rvinterf:	${RVINTERF_OBJS} ${LIBG23}
-	${CC} ${CFLAGS} -o $@ ${RVINTERF_OBJS} ${LIBG23}
+rvinterf:	${RVINTERF_OBJS} ${LIBS}
+	${CC} ${CFLAGS} -o $@ ${RVINTERF_OBJS} ${LIBS}
 
-tfc139:		${TFC139_OBJS} ${LIBG23}
-	${CC} ${CFLAGS} -o $@ ${TFC139_OBJS} ${LIBG23}
+tfc139:		${TFC139_OBJS} ${LIBS}
+	${CC} ${CFLAGS} -o $@ ${TFC139_OBJS} ${LIBS}
 
 install:	${PROGS}
 	mkdir -p ${INSTBIN}