Re: [PATCH] kbuild: Fix passing -Wno-* options to gcc 4.4+

[Michal Marek]

On 3.5.2011 02:44, Stephen Rothwell wrote:
> HI Michal,
>
> On Mon,  2 May 2011 14:13:01 +0200 Michal Marek<mmarek@xxxxxxx>  wrote:
> > Starting with 4.4, gcc will happily accept -Wno-<anything>  in the
> > cc-option test and complain later when compiling a file that has some
> > other warning. This rather unexpected behavior is intentional as per
> > http://gcc.gnu.org/PR28322, so work around it by testing for support of
> > the opposite option (without the no-). Introduce a new Makefile function
> > cc-disable-warning that does this and update two uses of cc-option in
> > the toplevel Makefile.
> >
> > Reported-by: Stephen Rothwell<sfr@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Michal Marek<mmarek@xxxxxxx>
>
> This fixed things for me, thanks.
>
> Tested-by: Stephen Rothwell<sfr@xxxxxxxxxxxxxxxx>

Thanks for spotting the warnings and for testing. I pushed this to 
kbuild-2.6.git#kbuild.

Michal
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