Re: [PATCH 5.7 0/6] 5.7.14-rc1 review

From: Guenter Roeck
Date: Wed Aug 05 2020 - 15:09:57 EST

On 8/5/20 11:01 AM, Linus Torvalds wrote:
> On Wed, Aug 5, 2020 at 10:39 AM Naresh Kamboju
> <naresh.kamboju@xxxxxxxxxx> wrote:
>> [ sorry if it is not interesting ! ]
> It's a bit interesting only because it is so odd.
>> While building with old gcc-7.3.0 the build breaks for arm64
>> whereas build PASS on gcc-8, gcc-9 and gcc-10.
> Can you double-check that your gcc-7.3 setup is actually building the same tree?

I see the same problem. I built images manually, using the same source
tree, so I am quite sure it is the same tree (at least in my case).

> Yeah, I know that's a slightly strange thing to ask, but your build
> log really looks very odd. There should be nothing in that error that
> is in any way compiler version specific.

Same confusion here. I'll be stuck in a meeting for the next hour;
unless someone else figures out what is going on I'll get back
to it afterwards.


> Sure, we may have some header that checks the compiler version and
> does something different based on that, and I guess that could be
> going on. Except I don't even find anything remotely like that
> anywhere. I do find some compiler version tests, but most ofd them
> would trigger for all those compiler versions
> Or is there perhaps some other configuration difference?
> Linus