[OpenBIOS] build warnings on gcc6

[Cole Robinson]

On 03/11/2016 11:30 AM, Mark Cave-Ayland wrote:
> On 09/03/16 17:46, Cole Robinson wrote:
> 
>>> Sadly I don't have gcc6 around yet (I only install released compiler
>>> packages here) but I think I can fix these up. Do you have the complete
>>> out for sparc32, sparc64 and ppc binaries so I can also look at these or
>>> is it just the sparc64 build that fails?
>>
>> Attached the full build output, with -Wno-error. There's some rpm build gunk
>> in there but it's straightforward
> 
> Hi Cole,
> 
> Thanks for the output. I've just posted a patchset which should remove
> all of the warnings except the one emitted by -Wnonnull-compare so
> please test and let me know if it improves things.
> 
> Like Segher I'm not 100% convinced by the -Wnonnull-compare warning in
> this case, so I've left this for the moment. It does raise an eyebrow

For better or worse rinsing unreleased gcc versions in Fedora is basically one
of gcc's pre-release steps, it's all shepherded by one of the primary gcc
developers.

> that Fedora are building with an as-yet unreleased compiler but can you
> confirm as a starting point whether the fix for PR69835 as indicated by
> Segher is being included in the gcc6 build you are using?

Unfortunately the RPM changelog seems to indicate it contains the patch for
that issue... I haven't dug deeper yet

- Cole