Re: -Werror for `make W=0`

[Andy Shevchenko]

On Wed, Aug 19, 2020 at 1:48 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> On Wed, Aug 19, 2020 at 6:44 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> >
> > Hi!
> >
> > Maybe silly idea, but would it make sense to enable -Werror for default warning
> > level, let's say W=0, at some point?
> >
>
> Every GCC release adds new warning options.
>
> Enabling -Werror by default means
> the kernel build is suddenly broken
> with new compilers, correct?

Probably, and at the same time we keep our hand on the pulse of the
changes, right?
Adding those warnings to W=1, 2, ... block might be not the bad idea after all.

Maybe some flag CONFIG_DEBUG_WERROR ? Then CIs or other early stage
users can enable by default and be informed.

-- 
With Best Regards,
Andy Shevchenko