Re: Latest SVN (r38309) doesn't compile (packet-6lowpan.c)

[Marc Petit-Huguenin <marc () petit-huguenin org>]

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I moved back to gcc-4.6 and the new Debian version 4.6.1-5 is now building
Wireshark fine.

On 08/02/2011 09:24 AM, Bill Meier wrote:
> On 8/2/2011 11:19 AM, Marc Petit-Huguenin wrote:
> > I had the same exact problem when my Debian sid distribution updated the gcc 4.6
> > compiler.  I use 4.5 instead, and everything works.
>
>
> Um...  I suspect you had a slightly different problem when compiling with GCC
> 4.6 which added a check for "unused but set" variables.
>
> These warnings are slowly being fixed. In the meantime:
>
> If you don't want to see the warnings, add the following to configure.in at the
> appropriate place:
>
> AC_WIRESHARK_GCC_CFLAGS_CHECK(-Wno-unused-but-set-variable)
>
>
>
> If you are using -Werror then adding the following will allow use of GCC 4.6 to
> build Wireshark without the compile erroring out:
>
> AC_WIRESHARK_GCC_CFLAGS_CHECK(-Wno-error=unused-but-set-variable)
>
> In this case, unused-but-set is reported but treated as a warning even if "treat
> all warnings as errors" (-Werror) is enabled.
>
>
> (Q: When you say "everything works" with 4.5, does that mean that compiling
> Wireshark with GCC 4.6 errored out ?
>
> Does the Debian sid distribution provide Wireshark source configured to use
> -Werror ??).


- -- 
Marc Petit-Huguenin
Personal email: marc () petit-huguenin org
Professional email: petithug () acm org
Blog: http://blog.marc.petit-huguenin.org
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