Re: [PATCH v3 6/6] Makefile.extrawarn: turn on missing-prototypes globally

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On Wed, Jan 10, 2024, at 20:45, Guenter Roeck wrote:
> On Thu, Nov 23, 2023 at 12:05:06PM +0100, Arnd Bergmann wrote:
>> At this point, there are five architectures with a number of known
>> regressions: alpha, nios2, mips, sh and sparc. In the previous version
>> of this patch, I had turned off the missing prototype warnings for the 15
>> architectures that still had issues, but since there are only five left,
>> I think we can leave the rest to the maintainers (Cc'd here) as well.
>> 
>
> Not sure I understand why this was so important that it warrants the
> resulting buildtest failures.
>
> FWIW, I'll disable WERROR in my build tests for the affected architectures.
> That is kind of counter-productive, but the only real alternative would be
> to stop build (and sometimes, such as for ppc, runtime) tests entirely,
> which would be even worse.

If you prefer, I can go back to the older version and just disable
the warning for the architectures with defconfig build failures. I did
a lot of fixes for mips, so at least defconfig and allmodconfig
should be fine now, leaving only alpha, nios2, sh and sparc as
far as I can tell, at least once Linus merges the asm-generic
pull request hat has a bunch of the currently missing fixes.

   Arnd




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