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

[Bill Meier <wmeier () newsguy com>]

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 ??).

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