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Date:      Sat, 16 Jun 2007 20:44:53 -0700
From:      Stephen Hurd <shurd@sasktel.net>
To:        Peter Jeremy <peterjeremy@optushome.com.au>
Cc:        Nikola Lecic <nlecic@EUnet.yu>, Jeremie Le Hen <jeremie@le-hen.org>, freebsd-ports@freebsd.org
Subject:   Re: Keeping track of automatically installed dependency-only ports
Message-ID:  <4674AE35.9070000@sasktel.net>
In-Reply-To: <20070617011612.GW1173@turion.vk2pj.dyndns.org>
References:  <20070614070602.GD39533@obiwan.tataz.chchile.org> <200706140714.l5E7EK0U023767@smtpclu-1.eunet.yu> <20070614075418.GA8093@obiwan.tataz.chchile.org> <200706142322.l5ENMbZt009741@smtpclu-6.eunet.yu> <20070615121125.GH1173@turion.vk2pj.dyndns.org> <4673B353.5040006@sasktel.net> <20070616114154.GA56829@obiwan.tataz.chchile.org> <20070617011612.GW1173@turion.vk2pj.dyndns.org>

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>> If thingYYY detects SDL and uses it at configure stage, it should be
>> recorded in the dependency list.
>>     
>
> Agreed, but this situation is not easy to detect with the automated
> ports checks that are in place.
>   

Impossible even since we're not using automated tools.

> Yes - but since it requires the maintainer to manually determine what
> features are automatically detected and enabled, it is something that
> is error-prone - the maintainer could easily accidently overlook it.
>   

A maintainer needs to do this anyways.

>> exists or not, nothing would prevent the user from deinstalling SDL
>> and break thingYYY otherwise.
>>     
>
> Unfortunately, I can't think of any way to automatically detect this
> situation.  This means that we are basically limited to waiting for
> people to trip over instances of the problem and report it.
>   

Of course, simply not automatically deinstalling SDL would help out 
quite a bit.  If I decide to remove SDL, all the results of that are my 
fault.  If removing portXXX also removes SDL, I can blame the ports 
system for removing stuff out from under me.



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