Problems compiling app using libnet 1.1.2.1

[Johan Akerstrom]

Hi,

Before I start I will just want to state that I am new to libnet and I
am not much of a C programmer (Java man) .

I wrote a tiny libnet (hello world type) app for libnet version 1.0.?.?
(Whatever version that came with my SuSE box) which compiled and worked
fine. Now I would like to use libnet 1.1.2.1 which I got from
http://www.packetfactory.net/libnet/dist/libnet.tar.gz.

I did a "find -name libnet*" at filesystem root and I deleted all old
libnet files from the drive. I downloaded the libnet tar ball and then
I ran ./configure make and make install.

This is the tine piece of code I'm trying to compile;
$ cat lnd.c
#include <libnet.h>
#include <stdio.h>

int main(int argc, char **argv){
int c;
char errbuf[LIBNET_ERRBUF_SIZE];
libnet_t *l = NULL;
l = libnet_init(LIBNET_LINK,NULL,errbuf);
c = libnet_write(l);
return 0;
}

I tried to compile my new app with
"gcc `libnet-config --defines` `libnet-config --libs` `libnet-config
--cflags` -o test lnd.c"

Which gave me the following error message:
/tmp/ccna0Gqu.o(.text+0x2c): In function `main':
: undefined reference to `libnet_init'
/tmp/ccna0Gqu.o(.text+0x43): In function `main':
: undefined reference to `libnet_write'
collect2: ld returned 1 exit status

I guess that this is because of some version mismatch but I can't
resolve it... ...so please help me resolve this.
So I ran "strings /usr/lib/libnet.a |grep version" and this is the
result;
libnet_version.o/
libnet version 1.1.2.1 (c) 1998 - 2004 Mike D. Schiffman <mike
infonexus com>
libnet_version.c

...which for me looks like I am coding for the right version.

Regards Johan



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