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From: Fabian Groffen <grobian@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev]  Re: Gentoo Prefix: on EPREFIX, ED and EROOT inside ebuilds
Date: Thu, 26 Nov 2009 11:10:09 +0100	[thread overview]
Message-ID: <20091126101009.GM19586@gentoo.org> (raw)
In-Reply-To: <pan.2009.11.26.10.01.23@cox.net>

On 26-11-2009 10:01:24 +0000, Duncan wrote:
> > required dependencies for.  Hence, ekeyword should be installed such
> > that it references the perl from the offset installation, e.g.
> > "/home/joe/gentoo/usr/bin/perl".
> > 
> > "/bin/sh" is another nice one.
> 
> At least here, that it would ordinarily be best to reference the prefix 
> system was taken for granted, so when it's "absolutely necessary" to 
> reference the host system is the interesting case, and how I parsed the 
> request.  You provided examples of just the opposite, the case I (and 
> evidently Denis, if I parsed the request correctly) assumed to be normal, 
> where referencing the prefix is strongly desirable or "absolutely 
> necessary".

I see, thanks for bringing that up.  To clarify (I hope this is):

Gentoo Prefix tries to be as much self-sufficient as possible, and hence
applications *must* not reference the host system, unless absolutely
necessary, such as for e.g. /lib/libc.so.

If Gentoo Prefix would not do this, Portage's dependencies would become
useless, and many uncontrollable and unpredictable errors may arise both
at compile time as well as at run time.


-- 
Fabian Groffen
Gentoo on a different level



  reply	other threads:[~2009-11-26 10:11 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-18  9:11 [gentoo-dev] Gentoo Prefix: on EPREFIX, ED and EROOT inside ebuilds Fabian Groffen
2009-10-18 11:57 ` Tomáš Chvátal
2009-10-18 12:31   ` Fabian Groffen
2009-10-19 19:44     ` Fabian Groffen
2009-10-24 19:37       ` Petteri Räty
2009-10-24 20:00         ` Fabian Groffen
2009-11-13 11:43       ` Ulrich Mueller
2009-11-20  8:45         ` Fabian Groffen
2009-11-20  0:26 ` Denis Dupeyron
2009-11-20  1:42   ` Jeremy Olexa
2009-11-20  9:03     ` Fabian Groffen
2009-11-25 23:43       ` Denis Dupeyron
2009-11-26  8:53         ` Fabian Groffen
2009-11-26 10:01           ` [gentoo-dev] " Duncan
2009-11-26 10:10             ` Fabian Groffen [this message]
2009-11-26 10:37               ` Duncan
2009-11-26 10:51                 ` Fabian Groffen
2009-11-26 12:36                   ` Duncan
2009-11-26 15:26                     ` Fabian Groffen
2009-11-26 13:43         ` [gentoo-dev] " Fabian Groffen
2009-11-26  0:01   ` Denis Dupeyron
2009-11-26  9:02     ` Fabian Groffen

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