libnet problem

i have a problem using ur libnet 1.1.x when i get ./configure to a program that is using libnet i get:

loading cache ./config.cache
checking for gcc... (cached) gcc
checking whether the C compiler (gcc  ) works... yes
checking whether the C compiler (gcc  ) is a cross-compiler... no
checking whether we are using GNU C... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for a BSD compatible install... (cached) /usr/bin/ginstall -c
checking for ranlib... (cached) ranlib
checking how to run the C preprocessor... (cached) gcc -E
checking for X... (cached) libraries /usr/X11R6/lib, headers /usr/X11R6/include
checking for dnet_ntoa in -ldnet... (cached) no
checking for dnet_ntoa in -ldnet_stub... (cached) no
checking for gethostbyname... (cached) yes
checking for connect... (cached) yes
checking for remove... (cached) yes
checking for shmat... (cached) yes
checking for IceConnectionNumber in -lICE... (cached) yes
checking for ANSI C header files... (cached) yes
checking for err.h... (cached) yes
checking for fcntl.h... (cached) yes
checking for sys/ioctl.h... (cached) yes
checking for sys/queue.h... (cached) yes
checking for unistd.h... (cached) yes
checking for libgen.h... (cached) yes
checking for net/if_tun.h... (cached) no
checking for MIN and MAX in sys/param.h... yes
checking for working const... (cached) yes
checking for size_t... (cached) yes
checking whether struct tm is in sys/time.h or time.h... (cached) time.h
checking for u_int32_t... (cached) yes
checking for u_int64_t... (cached) yes
checking for in_addr_t... (cached) no
checking whether gcc needs -traditional... (cached) no
checking for 8-bit clean memcmp... (cached) yes
checking return type of signal handlers... (cached) void
checking for strftime... (cached) yes
checking for gethostname... (cached) yes
checking for socket... (cached) yes
checking for strdup... (cached) yes
checking for strstr... (cached) yes
checking for xdr_fhstatus in -lrpcsvc... (cached) yes
checking for socket in -lsocket... (cached) no
checking for gethostbyname in -lnsl... (cached) yes
checking for dn_expand in -lresolv... (cached) yes
checking for dirname... (cached) yes
checking for strlcpy... (cached) no
checking for strlcat... (cached) no
checking for strsep... (cached) yes
checking for MD5Update... (cached) no
checking for warnx... (cached) yes
checking for ether_ntoa... (cached) yes
checking for Berkeley DB with 1.85 compatibility... yes
checking for libpcap... yes
checking for libnet... ./configure: line 1: libnet-config: command not found
yes
checking for libnids... yes
checking whether libnids version is good... yes
checking for OpenSSL... yes
creating ./config.status
creating Makefile
creating config.h

i've red the instructions but i didnt get a sollution to my problem... i check dsniff /the prog that i'm trying to use/ FAQ and README files, but still nothing... 
any suggestions?

10x in advance