From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Alan Mackenzie <acm@muc.de>
Cc: 21464-done@debbugs.gnu.org
Subject: bug#21464: 25.0.50; [cc-langs] void-function cadar
Date: Mon, 14 Sep 2015 21:33:19 -0400 [thread overview]
Message-ID: <jwvbnd432x9.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <20150914134701.32305.qmail@mail.muc.de> (Alan Mackenzie's message of "14 Sep 2015 13:47:01 -0000")
>> Using cl-lib instead of cl would solve such issues easily since we could
>> use cl-cadar and (require 'cl-lib) at run-time instead of only requiring
>> cl at compile-time.
> CC Mode in Emacs (as opposed to XEmacs) has been using cl-lib instead of
> cl for some weeks, now.
By "using cl-lib" I mean "assume cl-lib is always available" and
"don't use cl anymore anywhere".
That's a lot more convenient than the current testing and using various
macro wrappers depending on the circumstance and it'd let you use
any CL functions and macros anywhere any time.
> It would be bound to clash with a cl-lib in Emacs
Your assumptions are faulty, I think.
You'd put it in a subdirectory, say "cc-cl-lib" (so it's not in
load-path by default) and in cc-compat.el you'd do something like:
(unless (featurep 'cl-lib)
(unless (locate-library "cl-lib")
(add-to-list 'load-path
(expand-file-name "cc-cl-lib"
(file-name-directory load-file-name))))
(require 'cl-lib))
or
(unless (featurep 'cl-lib)
(require 'cl-lib
(unless (locate-library "cl-lib")
(expand-file-name "cc-cl-lib/cl-lib"
(file-name-directory load-file-name)))))
> (or a cl in XEmacs) somehow.
The cl-lib.el I'm talking about is the one in GNU ELPA, which is
basically loads cl.el and then adds a whle bunch of aliases under the
new "cl-*" namespace. So no, it doesn't clash with cl.el, instead it
relies on it.
> I'm marking this bug as closed.
Indeed, thanks,
Stefan
prev parent reply other threads:[~2015-09-15 1:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-11 21:16 bug#21464: 25.0.50; [cc-langs] void-function cadar Mark Oteiza
2015-09-12 1:16 ` Stefan Monnier
[not found] ` <mailman.969.1442020629.19560.bug-gnu-emacs@gnu.org>
2015-09-14 13:47 ` Alan Mackenzie
2015-09-15 1:33 ` Stefan Monnier [this message]
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