From: Andreas Rottmann <a.rottmann@gmx.at>
To: ludo@gnu.org (Ludovic Courtès)
Cc: guile-devel@gnu.org
Subject: Re: [PATCH] Add ".guile.sls" and ".sls" to the default %load-extensions
Date: Sun, 04 Nov 2012 23:27:28 +0100 [thread overview]
Message-ID: <87k3u1knqn.fsf@delenn.lan> (raw)
In-Reply-To: <87k3u16rak.fsf@gnu.org> ("Ludovic Courtès"'s message of "Sun, 04 Nov 2012 21:34:27 +0100")
ludo@gnu.org (Ludovic Courtès) writes:
> Hi,
>
> Mark H Weaver <mhw@netris.org> skribis:
>
>> Any objections to adding ".guile.sls" and ".sls" to Guile's default
>> %load-extensions?
>
> OK for .sls, but why .guile.sls?
>
This is used for compatibility libraries, for instance:
% ls spells/filesys/
compat.guile.sls compat.larceny.sls compat.mzscheme.sls
compat.ikarus.sls compat.mosh.sls compat.ypsilon.sls
Only guile will have .guile.sls in its %load-extensions, so it will find
the correct library, in this case corresponding to the library name
`(spells filesys compat)'.
Other R6RS implementations, if the adhere to this convention, will only
consider "their" specific file, as they'd only look for
spells/filesys/compat.sls and
spells/filesys/compat.<IMPLEMENTATION>.sls. If there's a portable
implementation of that library, it will be under
spells/filesys/compat.sls, and be used (only) if there's no
implementation-specific file. So it's important that the ".guile.sls"
extension is considered *before* ".sls".
For performance reasons, it *might* make sense to not enable this
behavior by default, but provide a command-line switch; however,
enabling this behavior is *already* possible using command-line switches
("-x .guile.sls -x .sls"), so I don't know...
Regards, Rotty
--
Andreas Rottmann -- <http://rotty.yi.org/>
next prev parent reply other threads:[~2012-11-04 22:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-04 3:31 [PATCH] Add ".guile.sls" and ".sls" to the default %load-extensions Mark H Weaver
2012-11-04 16:10 ` Noah Lavine
2012-11-04 20:34 ` Ludovic Courtès
2012-11-04 22:27 ` Andreas Rottmann [this message]
2012-11-04 23:32 ` Ludovic Courtès
2012-11-05 0:17 ` Andreas Rottmann
2012-11-05 15:16 ` Ludovic Courtès
2012-11-05 20:48 ` Mark H Weaver
2012-11-05 21:15 ` Ludovic Courtès
2012-11-06 2:19 ` nalaginrut
2012-11-06 2:36 ` Ian Price
2012-11-06 2:56 ` Ian Price
2012-11-06 5:18 ` Mark H Weaver
2012-11-07 20:28 ` Ludovic Courtès
2012-11-08 2:37 ` Alex Shinn
2012-11-08 22:41 ` Andreas Rottmann
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