Subject: Re: linux-next: build failure after merge of the kspp-gustavo tree

From: Kees Cook <[email-masked]>
Date: Mon, 25 Oct 2021 12:19:15 -0700

On Mon, Oct 25, 2021 at 12:55:34PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> On Mon, 18 Oct 2021 19:30:48 +1100 Stephen Rothwell <[email-masked]> wrote:
> >
> > Hi all,
> > 
> > After merging the kspp-gustavo tree, today's linux-next build (sparc64
> > defconfig) failed like this:
> > 
> > sparc64-linux-gcc: error: unrecognized command line option '-Wcast-function-type'; did you mean '-Wbad-function-cast'?
> > 
> > $ sparc64-linux-gcc --version
> > sparc64-linux-gcc (Custom f51944395b6aa154) 7.3.1 20180130
> > 
> > Caused by commit
> > 
> >   21078041965e ("Makefile: Enable -Wcast-function-type")
> > 
> > I have reverted that commit for today.
> 
> I am still reverting that commit ...

Gustavo, can you please switch this to using cc-option?

-- 
Kees Cook