--- Libc/Libc-391.2.6/net/Makefile.inc
+++ Libc/Libc-320/net/Makefile.inc
@@ -5,15 +5,13 @@
 .PATH: ${.CURDIR}/${MACHINE_ARCH}/net ${.CURDIR}/net
 
 .include "Makefile.fbsd_begin"
-FBSDMISRCS= addr2ascii.c ascii2addr.c inet_addr.c inet_lnaof.c \
+FBSDSRCS= addr2ascii.c ascii2addr.c inet_addr.c inet_lnaof.c \
 	inet_makeaddr.c inet_net_ntop.c inet_net_pton.c inet_neta.c \
 	inet_netof.c inet_network.c inet_ntoa.c linkaddr.c nsap_addr.c \
 	recv.c send.c
 .include "Makefile.fbsd_end"
 
-UNIX03SRCS+= recv.c send.c
-
-CFLAGS+= -I${.OBJDIR}
+CFLAGS+=-DINET6 -I${.OBJDIR}
 
 # machine-dependent net sources
 .if exists(${.CURDIR}/${MACHINE_ARCH}/net/Makefile.inc)