Не могу собрать Nesus из портов на FreeBSD 7.3

Добрый вечер, уважаемое сообщество!
Заранее благодарен за помощь…

собственно сабж…

===> Verifying install for nessus.4 in /usr/ports/security/nessus-libraries
===> Building for nessus-libraries-2.2.9_1
cd libpcap-nessus && make
libtool cc -pipe -O2 -fno-strict-aliasing -pipe -O2 -O2 -fno-strict-aliasing -pipe -I. -I../../include -DHAVE_CONFIG_H -DNESSUS_ON_SSL -DHAVE_SYS_IOCCOM_H=1 -DHAVE_SYS_SOCKIO_H=1 -DHAVE_ETHER_HOSTTON=1 -DHAVE_STRERROR=1 -DHAVE_SOCKADDR_SA_LEN=1 -I. -DHAVE_SSL -I/usr/include/openssl -I/usr/ports/security/nessus-libraries/work/nessus-libraries/include -I/usr/ports/security/nessus-libraries/work/nessus-libraries/libpcap-nessus -c ./pcap-bpf.c
libtool: error: you must specify a MODE.
*** Error code 1