PATCH (head): -Wunused-static-variable

[Nathan Sidwell]

Kean Johnston wrote:
> In reference to the message thread starting at
> http://gcc.gnu.org/ml/gcc/2003-04/msg01494.html
> 
> how about the following patch. This is against the head, but I can
> easily redo this on the 3.3 branch if that is desired and someone
> can take care of the merging back to the head.
> 
> 2003-05-01  Kean Johnston  <jkj@sco.com>
> 
> 	* c-opts.c (COMMAND_LINE_OPTIONS): Add -Wunused-static-variable
> 	for finer grained warning control.
> 	* doc/invoke.texi: Document it.
> 	* flags.h: Declare warn_unused_static_variable.
> 	* toplev.c (W_options): Add it.
> 	(check_global_declarations): Use it.
> 
IIRC -Wunused used to warn about this kind of thing. I've not been paying
attention. Has the -Wunused functionality been moved into -Wall, or is it
something else?

what is wrong with having this check in -Wunused?

nathan

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Nathan Sidwell    ::   http://www.codesourcery.com   ::     CodeSourcery LLC
          The voices in my head said this was stupid too
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