Re: [PATCH] kbuild: Do not enable -Wimplicit-fallthrough for clang for now

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On Wed, Aug 28, 2019 at 10:39 AM Nick Desaulniers
<ndesaulniers@xxxxxxxxxx> wrote:
>
> On Wed, Aug 28, 2019 at 9:45 AM Miguel Ojeda
> <miguel.ojeda.sandonis@xxxxxxxxx> wrote:
> >
> > On Wed, Aug 28, 2019 at 6:21 PM Masahiro Yamada
> > <yamada.masahiro@xxxxxxxxxxxxx> wrote:
> > >
> > > Applied to linux-kbuild. Thanks.
> > >
> > > (If other clang folks give tags, I will add them later.)
> >
> > Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
>
> I verified that GCC didn't get support for -Wimplicit-fallthrough
> until GCC ~7.1 release, so the cc-option guard is still required.
> Acked-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> Thanks for the patch Nathan.

Also, there's an inconsistency between Makefile vs
scripts/Makefile.extrawarn that's been bugging me: it seems we enable
GCC only flags in Makefile, then disable certain Clang flags in
scripts/Makefile.extrawarn.  Not necessary to fix here and now, but I
hope one day to have one file that has all of the compiler specific
flags in one place (maybe its own file), so I only have to look in one
place.  I know, I know, "patches welcome." ;)

-- 
Thanks,
~Nick Desaulniers



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