Re: New GCC, new option required?

[Bill Meier <wmeier () newsguy com>]

On 7/13/2011 8:05 AM, Jaap Keuter wrote:
> Hi list,
>
> I think we need a new GCC option added to configure.in:
>
> AC_WIRESHARK_GCC_CFLAGS_CHECK(-Wno-unused-but-set-variable)
>
> This option came into existence with GCC 4.6 and is causing havoc all over.
> I've been going through a lot of dissectors, many of which have either:
> * unused set variables
> * variables set for a legitimate purpose, but not used (yet)
> * bugs

I've fixes for a number of the (non-generated) dissectors and will 
commit them today.

Re:

> AC_WIRESHARK_GCC_CFLAGS_CHECK(-Wno-unused-but-set-variable)

Is there a (reasionably easy) way to use this option only when compiling 
in the .../dissectors directory ?

(I think that I've previously addressed the "unused_but_set" warnings 
for many (all ?) of the other directories). (SVN 37600 & following...)

Bill

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