From: Chetan <Chetan.xspam@xspam.sbcglobal.net>
To: help-gnu-emacs@gnu.org
Subject: Re: Conditional compilation to avoid "assignment to free variable"
Date: Wed, 24 Sep 2008 14:34:35 -0700 [thread overview]
Message-ID: <u1vz99qj8.fsf@myhost.sbcglobal.net> (raw)
In-Reply-To: gbe5ej$67r$1@aioe.org
Michael Hoffman <4g4trz802@sneakemail.com> writes:
> I use the same .emacs file on multiple systems, and each have various packages
> installed. There are various forms in my .emacs to only interact with these
> packages if they are actually installed:
>
> (when (locate-library "auctex")
> (load "auctex.el" nil t t)
> (setq TeX-auto-save t))
>
> When I byte-compile, however, I get a warning like this:
>
> emacs.el:320:9:Warning: assignment to free variable `TeX-auto-save'
>
> Is there a way to skip over that form at compile time if the library cannot be
> found? I tried various permutations of using eval-when-compile, but I still get
> the warning.
>
> I suppose the other solution is to wrap the setq in a boundp check, but this
> seems silly as the result of the boundp check will be the same as the result of
> locate-library.
>
> In this case, I may be able to use a custom variable instead but I am looking
> for a more general solution.
C-h f eval-when-compile
next prev parent reply other threads:[~2008-09-24 21:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-24 19:46 Conditional compilation to avoid "assignment to free variable" Michael Hoffman
2008-09-24 19:54 ` Joost Diepenmaat
2008-09-24 21:34 ` Chetan [this message]
2008-09-24 22:09 ` Glenn Morris
2008-09-25 0:11 ` Chetan
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