[PATCH] powerpc: Add configurable -Werror for arch/powerpc

[Olof Johansson]

On Mon, Apr 06, 2009 at 07:28:30PM -0700, David Miller wrote:
> From: Olof Johansson <olof at lixom.net>
> Date: Mon, 6 Apr 2009 21:27:43 -0500
> 
> > On Tue, Apr 07, 2009 at 12:00:41PM +1000, Michael Ellerman wrote:
> >> Add an option, on by default, to build all code under arch/powerpc with
> >> -Werror, which causes gcc to treat warnings as errors.
> >> 
> >> The intention is to make it harder for people to inadvertantly introduce
> >> errors in the arch/powerpc code. It needs to be configurable so that
> >> if a warning is introduced, people can easily work around it while it's
> >> being fixed.
> > 
> > This looks useful at least for the automated builds to catch new warnings,
> > but do similar options exist on other architectures, x86 in particular? I
> > think a Cc to LKML of this could be useful.
> 
> On sparc64 we do this unconditionally.

Great! I'm all for merging it in, having recently found new warnings on
RFC patches that went uncaught by the poster. :)


-Olof