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To: "Steven R Howe" <stevenrhowe@comcast.net>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 24 Apr 2005 16:22:16 -0400
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cc: freebsd-questions@freebsd.org
Subject: Re: Building firewalk 5.0 from ports
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"Steven R Howe" <stevenrhowe@comcast.net> writes:

> Hello,
> 
> In attempting to build firewalk from the ports collection, I received
> the following error:
> 
> cc -DHAVE_CONFIG_H -I. -I. -I../include   -I/usr/local/include  -O -pipe
> -Wall
> -c init.c
> init.c: In function `fw_init_net':
> init.c:156: `BIOCIMMEDIATE' undeclared (first use in this function)
> init.c:156: (Each undeclared identifier is reported only once
> init.c:156: for each function it appears in.)
> *** Error code 1
> 
> Stop in /usr/ports/security/firewalk/work/Firewalk/src.
> *** Error code 1
> 
> Stop in /usr/ports/security/firewalk/work/Firewalk.
> *** Error code 1
> 
> Stop in /usr/ports/security/firewalk.
> 
> 
> 
> 
> I am running:
> 
> 4.11-STABLE FreeBSD 4.11-STABLE #1:
> 
> 
> 
> I noticed that a guy named Ben posted this ad nauseum over a year ago,
> and received no response.
> 
> Is this a bug? Is there a fix? Else, I will just attempt to install from
> source.....

It looks like that identifier is supposed to come from bpf.h.
You could try including bpf.h directly in that file, or perhaps more
usefully in firewalk.h.  Note (see bpf(4)) that several other headers
need to be included first.