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To: gentoo-dev@g.o
From: Pacho Ramos <pacho@g.o>
Subject: Re: About using USE flags to pull in needed RDEPENDs being discouraged by devmanual
Date: Sat, 16 Jun 2012 20:54:17 +0200
El sáb, 16-06-2012 a las 20:55 +0300, Samuli Suominen escribió:
> On 06/16/2012 06:59 PM, Pacho Ramos wrote:
> > This was noticed recently when getting:
> > https://bugs.gentoo.org/show_bug.cgi?id=420569
> >
> > Also hit this problem today while trying to bump bluez and noticed we
> > are using elog messages to tell people to manually install
> > net-dialup/ppp if they want ppp working with bluez.
> >
> > I am unsure about the disadvantages of simply using, for example, "ppp"
> > USE flag to do that. One important disadvantage of current "elog message
> > way" is that:
> > 1. We rely in people reading the message to get package working ok.
> > 2. If user emerges ppp, it will be recorded in world file and, then, if
> > in the future he removes bluez, emerge --depclean want clean no longer
> > needed ppp and then, people end up with a lot of packages they needed to
> > manually emerge some year but that they problem no longer need at all.
> >
> > Thanks for your thoughts
> >
> 
> why not get this finally entirely out of the way:
> 
> suggested/recommended dependencies support, like SDEPEND, 
> http://bugs.gentoo.org/327701
> 
> as in, threat them as RDEPEND if user has the option to pull them in 
> enabled, otherwise print an uniformed postinst message
> 
> as a bonus, this solution would also allow USE dependencies to work and 
> would replace some cases of 'has_version foo/bar[use]'
> 
> - Samuli
> 
> 

Looks fine to me, this must be the previous solution referred by mgorny,
but fail to see any comment there about that disadvantages that this
solution could have :/
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References:
About using USE flags to pull in needed RDEPENDs being discouraged by devmanual
-- Pacho Ramos
Re: About using USE flags to pull in needed RDEPENDs being discouraged by devmanual
-- Samuli Suominen
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Updated Jun 29, 2012

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