Bind 9.3.2 on BSDi 4.1

[Hans]

Tryed to compile Bind 9.3.2 on BSDi 4.1.
But got the following error

<snip>
gcc -g -O2  -o named  aclconf.o builtin.o client.o config.o control.o 
controlconf.o interfacemgr.o  listenlist.o log.o logconf.o main.o notify.o 
query.o server.o sortlist.o  tkeyconf.o tsigconf.o update.o xfrout.o 
zoneconf.o  lwaddr.o lwresd.o lwdclient.o lwderror.o lwdgabn.o  lwdgnba.o 
lwdgrbn.o lwdnoop.o lwsearch.o   unix/os.o ../../lib/lwres/liblwres.a 
../../lib/dns/libdns.a ../../lib/bind9/libbind9.a 
../../lib/isccfg/libisccfg.a ../../lib/isccc/libisccc.a 
../../lib/isc/libisc.a
../../lib/isc/libisc.a(interfaceiter.o): In function 
`isc_interfaceiter_create':
/home/hans/bind-9.3.2/lib/isc/unix/ifiter_getifaddrs.c:85: undefined 
reference to `freeifaddrs'
../../lib/isc/libisc.a(interfaceiter.o): In function `internal_destroy':
/home/hans/bind-9.3.2/lib/isc/unix/ifiter_getifaddrs.c:171: undefined 
reference to `freeifaddrs'
*** Error code 1

Stop.
*** Error code 1

Stop.
*** Error code 1

Stop.
<snip>

Any hints ?