From: "Charles Wilson" <cygwin@cwilson.fastmail.fm>
To: cygwin-apps@cygwin.com
Subject: Re: [HEADSUP] Let's start a Cygwin 1.7 release area
Date: Tue, 22 Apr 2008 17:02:00 -0000 [thread overview]
Message-ID: <1208883702.16526.1249279229@webmail.messagingengine.com> (raw)
In-Reply-To: <480E0D46.D208DAAE@dessent.net>
On Tue, 22 Apr 2008 09:07:34 -0700, "Brian Dessent" said:
> Charles Wilson wrote:
>
> > (1) we're talking about cygwin-1.7.x
> > (2) Either
> > (a) only one of those parallel instances is in use at a time,
> > including installed services,
> > or
> > (b) all of those parallel instances have exactly the same version of
> > the DLL
>
> Right, I don't think anyone is talking about having two trees in use
> simultaneously.
I just didn't want somebody searching the archives to think cygwin-1.7
officially supported lots of different cygwin1.dlls scattered all over
the filesystem, all in use at the same time. It doesn't.
> > (3) Even so, doing this is not officially supported (the current
> > dual-installation "support" vis-a-vis cygwin-1.5.x and cygwin-1.7.x is
> > (a) temporary and
> > (b) intended for package maintainers only, in order to prepare the
> > cygwin-1.7 packages -- and package maintainers generally know what
> > they are doing and what the pitfalls of a dual/multiple installation
> > are.
>
> At the moment this is quite experimental, yes; but I don't see any
> reason why it would be a temporary arrangement. Once we get the changes
> in setup.exe and 1.7 released, it will still be possible to keep
> multiple parallel installs by just changing the root dir in setup to
> select which one to install/update. Why would we want to prevent that
> from working? Isn't this one of the desired payoffs of moving the mount
> table out of the registry in the first place?
I didn't say we would *break* it. There's a difference between "it
happens to work" and "is a supported configuration". During the buildup
to 1.7.0-release, it's going to be a de-facto "supported" configuration
-- if there are problems, they'll need to be fixed so that maintainers
can build 1.7 packages. (Although Corinna recommended using completely
separate (possibly virtual) machines for 1.5 and 1.7).
After that, it's probably caveat emptor. Right now, we can tell a user
to run 'cygcheck -s -v -r' and point to "multiple cygwin dll's" and tell
'em to fix that first, PERIOD, unless they really know what they are
doing. After the official 1.7.0 rollout, unless we really truly
actually support simultaneous *use* of multiple cygwin trees -- which we
do not and will not -- I don't want to support/debug/handhold multiple
simultaneous *installations* of cygwin, either.
Because it's way too easy to slide from simultaneous installation to
simultaneous use unless you are very careful. During the transition, we
*will* run into that problem -- but maintainers can be trusted to
usually figure those problems out on their own.
--
Chuck
next prev parent reply other threads:[~2008-04-22 17:02 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-22 15:51 Charles Wilson
2008-04-22 16:01 ` Corinna Vinschen
2008-04-25 11:22 ` Corinna Vinschen
2008-04-22 16:08 ` Brian Dessent
2008-04-22 17:02 ` Charles Wilson [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-04-09 15:04 Charles Wilson
2008-04-09 16:02 ` Corinna Vinschen
2008-04-08 18:34 Charles Wilson
2008-04-08 18:43 ` Christopher Faylor
2008-04-08 21:09 ` Corinna Vinschen
2008-04-06 14:35 klavins
2008-04-06 21:04 ` Christopher Faylor
2008-04-02 12:36 Corinna Vinschen
2008-04-02 17:46 ` Corinna Vinschen
2008-04-02 23:01 ` Charles Wilson
2008-04-03 9:42 ` Corinna Vinschen
2008-04-03 13:56 ` Christopher Faylor
2008-04-03 14:20 ` Corinna Vinschen
2008-04-03 15:16 ` Igor Peshansky
2008-04-03 15:37 ` Corinna Vinschen
2008-04-03 15:39 ` Corinna Vinschen
2008-04-03 15:47 ` Corinna Vinschen
2008-04-03 23:13 ` Charles Wilson
2008-04-03 16:12 ` Christopher Faylor
2008-04-03 16:27 ` Corinna Vinschen
2008-04-03 17:00 ` Christopher Faylor
2008-04-03 17:12 ` Corinna Vinschen
2008-04-03 23:06 ` Charles Wilson
2008-04-04 0:39 ` Christopher Faylor
2008-04-04 1:51 ` Charles Wilson
2008-04-03 23:21 ` Warren Young
2008-04-04 0:41 ` Christopher Faylor
2008-04-03 22:52 ` Charles Wilson
2008-04-04 12:22 ` Corinna Vinschen
2008-04-05 10:09 ` Corinna Vinschen
2008-04-05 6:17 ` Karl M
2008-04-04 0:50 ` Christopher Faylor
2008-04-04 12:16 ` Corinna Vinschen
2008-04-08 16:27 ` Corinna Vinschen
2008-04-08 17:27 ` Christopher Faylor
2008-04-08 17:40 ` Corinna Vinschen
2008-04-08 18:42 ` Christopher Faylor
2008-04-08 21:07 ` Corinna Vinschen
2008-04-08 21:18 ` Brian Dessent
2008-04-08 21:46 ` Corinna Vinschen
2008-04-08 21:54 ` Corinna Vinschen
2008-04-08 23:27 ` Brian Dessent
2008-04-09 8:27 ` Corinna Vinschen
2008-04-09 11:34 ` Brian Dessent
2008-04-09 12:16 ` Corinna Vinschen
2008-04-09 12:28 ` Brian Dessent
2008-04-09 14:32 ` Christopher Faylor
2008-04-09 16:28 ` Corinna Vinschen
2008-04-11 15:13 ` Corinna Vinschen
2008-04-12 0:35 ` Brian Dessent
2008-04-12 11:36 ` Corinna Vinschen
2008-04-12 12:23 ` Corinna Vinschen
2008-04-12 12:43 ` Brian Dessent
2008-04-12 15:15 ` Corinna Vinschen
2008-04-12 17:43 ` Eric Blake
2008-04-12 23:00 ` Brian Dessent
2008-04-13 9:43 ` Corinna Vinschen
2008-04-13 19:35 ` Christopher Faylor
2008-04-14 9:56 ` Corinna Vinschen
2008-04-14 14:36 ` Christopher Faylor
2008-04-15 3:00 ` Brian Dessent
2008-04-15 8:55 ` Corinna Vinschen
2008-04-15 9:09 ` Corinna Vinschen
2008-04-15 9:24 ` Brian Dessent
2008-04-15 9:31 ` Corinna Vinschen
2008-04-15 9:35 ` Corinna Vinschen
2008-04-15 14:17 ` Christopher Faylor
2008-04-15 15:44 ` Corinna Vinschen
2008-04-15 16:16 ` Reini Urban
2008-04-15 17:59 ` Christopher Faylor
2008-04-15 18:39 ` Corinna Vinschen
2008-04-15 18:52 ` Lapo Luchini
2008-04-16 9:39 ` Corinna Vinschen
2008-04-16 16:25 ` Christopher Faylor
2008-04-20 15:45 ` Christopher Faylor
2008-04-20 18:47 ` Charles Wilson
2008-04-20 21:56 ` Christopher Faylor
2008-04-20 22:11 ` Christopher Faylor
2008-04-20 22:44 ` Charles Wilson
2008-04-20 22:55 ` Christopher Faylor
2008-04-20 23:08 ` Charles Wilson
2008-04-20 22:40 ` Charles Wilson
2008-04-21 8:33 ` Corinna Vinschen
2008-04-21 20:34 ` Corinna Vinschen
2008-04-21 20:54 ` Christopher Faylor
2008-04-15 18:58 ` Eric Blake
2008-04-16 2:25 ` Brian Dessent
2008-04-16 8:45 ` Corinna Vinschen
2008-04-21 14:04 ` Corinna Vinschen
2008-04-21 17:48 ` Corinna Vinschen
2008-04-21 20:15 ` Corinna Vinschen
2008-04-22 6:03 ` Brian Dessent
2008-04-22 6:59 ` Jörg Schaible
2008-04-22 8:26 ` Brian Dessent
2008-04-22 11:12 ` Corinna Vinschen
2008-04-22 8:48 ` Corinna Vinschen
2008-04-22 9:46 ` Brian Dessent
2008-04-22 10:57 ` Corinna Vinschen
2008-04-22 11:07 ` Brian Dessent
2008-04-22 14:44 ` Pēteris Kļaviņš
2008-04-22 14:56 ` Brian Dessent
2008-04-22 15:26 ` Pēteris Kļaviņš
2008-04-22 15:39 ` Brian Dessent
2008-04-22 23:18 ` Pēteris Kļaviņš
2008-04-23 9:27 ` Brian Dessent
2008-04-23 20:09 ` Pēteris Kļaviņš
2008-04-22 15:38 ` Corinna Vinschen
2008-04-14 23:24 ` Igor Peshansky
2008-04-15 3:08 ` Brian Dessent
2008-04-15 8:59 ` Corinna Vinschen
2008-04-12 12:24 ` Dr. Volker Zell
2008-04-12 12:32 ` Corinna Vinschen
2008-04-13 3:43 ` Christopher Faylor
2008-04-13 9:03 ` Corinna Vinschen
2008-04-13 19:47 ` Christopher Faylor
2008-04-13 4:44 ` Christopher Faylor
2008-04-13 9:05 ` Corinna Vinschen
2008-04-14 2:34 ` Christopher Faylor
2008-04-08 21:39 ` Christopher Faylor
2008-04-08 21:53 ` Corinna Vinschen
2008-04-11 16:27 ` Andrew Schulman
2008-04-11 16:37 ` Corinna Vinschen
2008-07-24 22:41 ` Phil Nelson
2008-07-25 4:21 ` Christopher Faylor
2008-07-25 7:21 ` Corinna Vinschen
2008-07-25 13:56 ` Phil Nelson
2008-07-25 14:20 ` Corinna Vinschen
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