From owner-freebsd-questions@FreeBSD.ORG  Mon Feb  4 19:42:00 2008
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 28F0716A418
	for <freebsd-questions@freebsd.org>;
	Mon,  4 Feb 2008 19:42:00 +0000 (UTC)
	(envelope-from fbsd.questions@rachie.is-a-geek.net)
Received: from snoogles.rachie.is-a-geek.net (rachie.is-a-geek.net
	[66.230.99.27])
	by mx1.freebsd.org (Postfix) with ESMTP id EA61713C442
	for <freebsd-questions@freebsd.org>;
	Mon,  4 Feb 2008 19:41:59 +0000 (UTC)
	(envelope-from fbsd.questions@rachie.is-a-geek.net)
Received: from localhost (localhost [127.0.0.1])
	by snoogles.rachie.is-a-geek.net (Postfix) with ESMTP id EB3F01CD37;
	Mon,  4 Feb 2008 10:41:58 -0900 (AKST)
From: Mel <fbsd.questions@rachie.is-a-geek.net>
To: freebsd-questions@freebsd.org
Date: Mon, 4 Feb 2008 20:41:57 +0100
User-Agent: KMail/1.9.7
References: <7c7927920802040954u948a5ebga929f11a2fa76a45@mail.gmail.com>
	<200802041929.32973.fbsd.questions@rachie.is-a-geek.net>
	<7c7927920802041036v79bc635h34c51f747384b0ad@mail.gmail.com>
In-Reply-To: <7c7927920802041036v79bc635h34c51f747384b0ad@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200802042041.57804.fbsd.questions@rachie.is-a-geek.net>
Cc: Bhuvaneswari Ramkumar <ramkumar@iastate.edu>
Subject: Re: Libnet in FreeBSD
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 04 Feb 2008 19:42:00 -0000

On Monday 04 February 2008 19:36:17 Bhuvaneswari Ramkumar wrote:

> well actually, even the sample applications seem to have the same problem,
> So I'm guessing its some installation issue:
>
> # cc dns.c
> /var/tmp//ccImyVt1.o(.text+0x88) : In function 'main' : : undefined
> reference to 'libnet_init'
>
> This is how my compilation result reads for the dns.c sample application.
> Says the same for all libnet calls.

Linking 101. If you used the port (/usr/ports/net/libnet) then:

cc -L/usr/local/lib/libnet11 -lnet dns.c

or:
cat <<EOF >BSDmakefile
PROG=dns
LDADD=-lnet
LDFLAGS+=-L/usr/local/lib/libnet11

.include <bsd.prog.mk>
EOF

then type make :)
-- 
Mel