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

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Message-ID: <20211020161851.GA1297326@embeddedor>
Date:   Wed, 20 Oct 2021 11:18:51 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Kees Cook <keescook@...omium.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the kspp-gustavo tree

Hi Stephen,

On Mon, Oct 18, 2021 at 07:30:48PM +1100, Stephen Rothwell 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

I think this should work just fine with GCC 8.x

Thanks
--
Gustavo

> 
> Caused by commit
> 
>   21078041965e ("Makefile: Enable -Wcast-function-type")
> 
> I have reverted that commit for today.
> 
> -- 
> Cheers,
> Stephen Rothwell