Re: use of (defvar <foo>)

[Reiner Steib <reinersteib+gmane@imap.cc>]

On Thu, Apr 06 2006, Dave Love wrote:

> Gnus has lots of instances of `(defvar <foo>)' that aren't protected
> by `eval-when-compile' and should be.

I learned on emacs-devel that we don't need `eval-when-compile' in
this case (unless I'm misunderstanding what you are referring to):

,----[ http://article.gmane.org/gmane.emacs.devel/42998 ]
| From: Stefan Monnier
| Subject: Re: defvars at compile time
| 
| [...]
| 
| The form (defvar foo) was specifically designed as a byte-compiler
| directive, so please make use of it.
`----

,----[ http://article.gmane.org/gmane.emacs.devel/43027 ]
| From: Richard M. Stallman
| Subject: Re: defvars at compile time
|
| The only effect of a defvar with no initial value
| is to silence the compiler.  So it is superfluous
| to put it inside eval-when-compile.
`----

We had this discussion about it recently:
http://thread.gmane.org/gmane.emacs.devel/51304/focus=11990

Bye, Reiner.
-- 
       ,,,
      (o o)
---ooO-(_)-Ooo---  |  PGP key available  |  http://rsteib.home.pages.de/