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From: "Trent Buck" <trentbuck@gmail.com>
To: David Kastrup <dak@gnu.org>
Cc: elpa@tromey.com, emacs-devel@gnu.org
Subject: Re: package.el: bytecode portability across emacs versions
Date: Tue, 22 May 2007 10:11:39 +1000	[thread overview]
Message-ID: <20070522001139.GA11896@baal.lan> (raw)
In-Reply-To: <85veemdp3s.fsf@lola.goethe.zz>


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On Mon, May 21, 2007 at 08:10:47PM +0200, David Kastrup wrote:
> "Trent Buck" <trentbuck@gmail.com> writes:
> > Recommendation: either 0) tell users not to run more than one emacs;
> > 1) don't byte-compile; or 2) place bytecode in path(s) local to the
> > current emacs-version.
> >
> > Debian's elisp package framework adopts (2), that might be a source of
> > inspiration.
> 
> Debian's Elisp package framework socks boulders through straws.  Emacs
> is designed to have Elisp and elc files in the same directory.  That's
> how load-path orders can take effect.  Debian completely breaks this,
> as witnessed by calling M-x list-load-path-shadows RET.  And, of
> course, things like M-x byte-recompile-directory RET don't work in
> Debian, either.

Forgive me, I did not know.

> > package.el appears to create bytecode in a common directory.
> 
> It creates the bytecode in the directory where the source Elisp files
> lie, I would presume.

Correct.

> > Unless code is carefully audited, any time .emacs.d is shared
> > between multiple emacsen packages errors can be expected.
> 
> Sharing such a directory is a mistake, anyway.
>
> [...]
>
> Sharing Elisp files between different Emacs variants is not a good
> idea.

OK, so what file system do you think package.el should use?  Or is it
also a bad idea to share $HOME across hosts running different Emacs
releases?
-- 
Trent Buck

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  parent reply	other threads:[~2007-05-22  0:11 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-21 13:47 package.el: bytecode portability across emacs versions Trent Buck
2007-05-21 18:10 ` David Kastrup
2007-05-21 23:01   ` Kevin Ryde
2007-05-22  0:11   ` Trent Buck [this message]
2007-05-25 16:00     ` Tom Tromey
2007-05-26  1:32       ` Michael Olson
2007-05-26  6:34         ` David Kastrup
2007-05-26 10:34           ` Eli Zaretskii
2007-05-26 10:40             ` David Kastrup
2007-05-26  5:33       ` Trent Buck
2007-05-26  6:02         ` Eli Zaretskii
2007-05-27  1:00       ` Richard Stallman
2007-05-27  3:54         ` Trent Buck
2007-05-27  5:41         ` David Kastrup
2007-05-27 23:21           ` Richard Stallman
2007-05-28  6:33             ` David Kastrup
2007-05-29  0:02               ` Richard Stallman
2007-05-30  0:44           ` Michael Olson
2007-05-30 15:44             ` Richard Stallman
2007-05-28 21:35       ` Stefan Monnier

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