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SubjectRe: [PATCH] sh: Drop -Werror from kernel Makefile
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On 8/9/19 11:20 PM, Joe Perches wrote:
> On Fri, 2019-08-09 at 21:47 -0500, Gustavo A. R. Silva wrote:
>> On 8/9/19 4:56 PM, Guenter Roeck wrote:
>>> On Fri, Aug 09, 2019 at 04:36:01PM -0500, Gustavo A. R. Silva wrote:
>>>> On 8/9/19 2:56 PM, Guenter Roeck wrote:
>>>>> On Sun, Aug 04, 2019 at 11:24:41PM -0400, Rich Felker wrote:
>>>>>> On Sun, Aug 04, 2019 at 07:14:23PM -0700, Guenter Roeck wrote:
>>>>>>> Since commit a035d552a93b ("Makefile: Globally enable fall-through
>>>>>>> warning"), all sh builds fail with errors such as
>>>>>>>
>>>>>>> arch/sh/kernel/disassemble.c: In function 'print_sh_insn':
>>>>>>> arch/sh/kernel/disassemble.c:478:8: error: this statement may fall through
>>>>>>>
>>>>>>> Since this effectively disables all build and boot tests for the
>>>>>>> architecture, let's drop -Werror from the sh kernel Makefile until
>>>>>>> the problems are fixed.
> []
>> On second thought it seems to me that this is not a good idea, at least
>> for mainline. For the time being I'll take this patch for linux-next only.
>>
>> Who is the maintainer of sh?
>
> But whoever it may be, isn't particularly active.
>
> MAINTAINERS-SUPERH
> MAINTAINERS-M: Yoshinori Sato <ysato@users.sourceforge.jp>
> MAINTAINERS-M: Rich Felker <dalias@libc.org>
> MAINTAINERS-L: linux-sh@vger.kernel.org
> MAINTAINERS-Q: http://patchwork.kernel.org/project/linux-sh/list/
> MAINTAINERS-S: Maintained
> MAINTAINERS-F: Documentation/sh/
> MAINTAINERS:F: arch/sh/
> MAINTAINERS-F: drivers/sh/
>
>> The best solution is to fix those fall-through warnings you see. Could you
>> please send me all the warnings you see? I can try to fix them.
>
> It's true it's a warning, but adding -Werror is rarely
> a good idea as gcc error output can change with every
> version.
>

In the meantime I'll install sh4 and fix those warnings.

--
Gustavo

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