From owner-cvs-all@FreeBSD.ORG  Mon Aug  6 17:38:09 2007
Return-Path: <owner-cvs-all@FreeBSD.ORG>
Delivered-To: cvs-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id BB25816A41A;
	Mon,  6 Aug 2007 17:38:09 +0000 (UTC)
	(envelope-from kris@obsecurity.org)
Received: from elvis.mu.org (elvis.mu.org [192.203.228.196])
	by mx1.freebsd.org (Postfix) with ESMTP id AC97F13C459;
	Mon,  6 Aug 2007 17:38:09 +0000 (UTC)
	(envelope-from kris@obsecurity.org)
Received: from rot26.obsecurity.org (elvis.mu.org [192.203.228.196])
	by elvis.mu.org (Postfix) with ESMTP id CF18A1A4D7C;
	Mon,  6 Aug 2007 10:37:20 -0700 (PDT)
Received: by rot26.obsecurity.org (Postfix, from userid 1001)
	id DB62DC134; Mon,  6 Aug 2007 13:38:08 -0400 (EDT)
Date: Mon, 6 Aug 2007 13:38:08 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: Michael Nottebrock <lofi@freebsd.org>
Message-ID: <20070806173808.GA39444@rot26.obsecurity.org>
References: <200706281553.l5SFr56i099807@repoman.freebsd.org>
	<20070802181715.46yikycm8gc8g8kk@webmail.leidinger.net>
	<20070803125410.GB1062@tirith.brixandersen.dk>
	<200708032144.57558.lofi@freebsd.org>
	<20070803204215.GA68620@rot26.obsecurity.org>
	<20070806074318.q9mw6ulngg00gwsw@webmail.leidinger.net>
	<20070806065634.GA31676@rot26.obsecurity.org>
	<20070806113855.0fcq213io0www04k@webmail.leidinger.net>
	<46B7072E.8070307@freebsd.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <46B7072E.8070307@freebsd.org>
User-Agent: Mutt/1.4.2.3i
Cc: Henrik Brix Andersen <henrik@brixandersen.dk>,
	Kris Kennaway <kris@obsecurity.org>, cvs-all@freebsd.org,
	ports-committers@freebsd.org, Pav Lucistnik <pav@freebsd.org>,
	cvs-ports@freebsd.org, Alexander Leidinger <Alexander@leidinger.net>
Subject: Re: cvs commit: ports/Mk bsd.port.mk
X-BeenThere: cvs-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: CVS commit messages for the entire tree <cvs-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-all>
List-Post: <mailto:cvs-all@freebsd.org>
List-Help: <mailto:cvs-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 06 Aug 2007 17:38:09 -0000

On Mon, Aug 06, 2007 at 01:34:06PM +0200, Michael Nottebrock wrote:
> Alexander Leidinger schrieb:
> > Kris, what technical reasons are against explicit dependencies, in
> > your opinion? 
> Explicit dependencies would be great, if they can be guaranteed to be
> correct, which basically means we need a way auto-generate them. Maybe
> this could be done in a similar way to the security check target - run
> ldd/objdump over installed executables and libraries, record symbol
> names somewhere, determine dependencies by comparing records ...
> 
> Explicit dependencies that need to be determined and maintained manually
> by port maintainers are useless, since they'll be almost guaranteed to
> be wrong most of the time for those ports that would profit the most
> (shave off the most implicit dependencies) from having them.

Yes, this is the most serious problem.  Also there is no need to
introduce a new variable to handle it: if you want to record explicit
dependencies a better way is to use LIB_ or RUN_DEPENDS and track the
direct vs inherited dependencies differently in the package database.

Kris