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Date: Sat, 1 Feb 1997 07:33:17 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199701312033.HAA30414@godzilla.zeta.org.au>
To: asami@vader.cs.berkeley.edu, eivind@dimaga.com
Subject: Re: <net/if_var.h>
Cc: hackers@freebsd.org, wollman@freebsd.org
Sender: owner-hackers@freebsd.org
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>Should I add something like
>
>.if exists(/usr/bin/net/if_var.h)
>CFLAGS+= HAS_NET_IF_VAR_H
>.endif
>
>to the Makefile in addition, perhaps?  As long as I haven't got a "proper"
>solution this is the best I can see.  (This could be a loop over the
>include-path instead of a direct test, but I cannot see this gaining much
>on anything but very obscure systems.)

Since the exposed user interface still contains kernel-internal data-
structures and applications didn't need to know about this before, the
correct solution is to merge <net/if_var.h> back into <net/if.h>,
perhaps using a nested include.  Ugh.

Bruce