Gentoo Archives: gentoo-dev

From: Wilbert Berendsen <wilbert@××××.org>
To: gentoo-dev@g.o
Subject: Re: [gentoo-dev] Dangerous features in portage
Date: Thu, 31 Oct 2002 08:58:07
Message-Id: 200210311558.04815@oswf.org
In Reply to: Re: [gentoo-dev] Dangerous features in portage by Jonathan Hunt
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4 On Wednesday 30 October 2002 20:21, Jonathan Hunt wrote:
5 > > What about situations where you want to keep multiple versions of a
6 > > shared library (that is, after all, one of the nice features of UNIX
7 > > over, say, Windows)? For example, you may have software that is compiled
8 > > against an older, incompatible version of imlib (or worse, 3rd party
9 > > binaries you can't recompile).
10 > >
11 > > emerge clean nukes the old installation, and while the system is now no
12 > > longer crufty it is also incompatible with that application. I've seen
13 > > this kino (before the new version came out) and dvlib, for example, and
14 > > I'm sure there are other situations as well.
15 > >
16 > > Jean.
17 >
18 > Isn't that what slots are for?
19
20 Yes, but not all upgrades have a different slot. Here at one time aspell got
21 upgraded. Thereafter sylpheed-claws wouldn't work. It appeared
22 libaspell-so.50.1 or so got replaced by a 50.2 version. I had to remerge
23 sylpheed-claws.
24
25 Groet,
26 Wilbert
27
28 - --
29 Wilbert Berendsen (http://www.xs4all.nl/~wbsoft/)
30 To understand recursion, one must first understand recursion.
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