configure.ac: add -Werror to default compiler options

[Steven Edwards]

On Thu, Sep 18, 2008 at 8:46 PM, Dan Kegel <dank at kegel.com> wrote:
> On Thu, Sep 18, 2008 at 5:17 PM, James Hawkins <truiken at gmail.com> wrote:
>> I think the important thing for Dan's case is that he also used -Wall,
>> which we should never turn on by default, especially not with -Werror.
>>  Correct me if I've made an incorrect assumption.
>
> Many serious projects always use both -Wall and -Werror, including Chrome.

And not so serious ones. We actually try to use -Werror everywhere in
ROS except the Wine code and a few other third party modules. I think
it would be a good idea to enable it on a selective basis in Wine,
start with programs,server,libs,etc and then slowly turn it on for
dlls.

-- 
Steven Edwards

"There is one thing stronger than all the armies in the world, and
that is an idea whose time has come." - Victor Hugo