Re: [PATCH 1/4] Adds -Wshadow=local on KBUILD_HOSTCFLAGS

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On Wed, Oct 17, 2018 at 5:21 AM Masahiro Yamada
<yamada.masahiro@xxxxxxxxxxxxx> wrote:
>
> On Wed, Oct 17, 2018 at 5:11 PM Borislav Petkov <bp@xxxxxxxxx> wrote:
> >
> > On Tue, Oct 16, 2018 at 09:08:09PM -0300, Leonardo Brás wrote:
> > > Adds -Wshadow=local on KBUILD_HOSTCFLAGS to show shadow warnings
> > > on tools built for HOST.
> > >
> > > Signed-off-by: Leonardo Brás <leobras.c@xxxxxxxxx>
> > > ---
> > >  Makefile | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/Makefile b/Makefile
> > > index e8b599b4dcde..fb0a9ac195e7 100644
> > > --- a/Makefile
> > > +++ b/Makefile
> > > @@ -360,7 +360,7 @@ HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
> > >
> > >  HOSTCC       = gcc
> > >  HOSTCXX      = g++
> > > -KBUILD_HOSTCFLAGS   := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \
> > > +KBUILD_HOSTCFLAGS   := -Wall -Wshadow=local -Wmissing-prototypes -Wstrict-prototypes -O2 \
> > >               -fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) \
> > >               $(HOSTCFLAGS)
> > >  KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
> > > --
> >
> > You might wanna take a look at scripts/Makefile.extrawarn which already
> > has -Wshadow.
>
>
> scripts/Makefile.extrawarn provides options for the target compiler (CC),
> whereas this patch adds -Wshadow=local for the host compiler (HOSTCC).
>
>


Thanks for helping, :)

Leonardo Bras

>
> --
> Best Regards
> Masahiro Yamada




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