Re: linux-next: build failure after merge of the hte tree

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Thanks for the help Thierry.

Best Regards, Dipen Patel

On 5/5/22 7:04 AM, Thierry Reding wrote:
> On Wed, May 04, 2022 at 08:17:50PM -0700, Dipen Patel wrote:
>> Hi Stephen, Thierry,
>>
>> Before sending patches I compiled and tested with or without HTE
>> config successfully, I used gcc arm64 cross compiler. The initial
>> problem kernel boat reported (reproduce step snippet below) used clang
>> as compiler and that gives typedef issue which is what hte_return_t
>> is. Do you know if we have to treat it differently with clang vs gcc
>> or did I miss something?
> It's probably a good idea to do builds with clang at this point since
> apparently it can catch some cases that GCC doesn't. There's some
> documentation on how to do that here:
>
> 	https://www.kernel.org/doc/html/latest/kbuild/llvm.html
>
> The process is quite similar to using GCC and it has the advantage that
> clang ships with built-in cross-compilers, so less hassle setting things
> up.
>
>> However below failure seems like (correct me if I am wrong) Thierry
>> might have changed typedef to int in one place and possibly not all
>> other places.
> Yes, the hte_return_t failures were my fault. Turns out due to some
> dependencies not being fulfilled my test builds didn't cover gpiolib
> character devices, so I didn't catch those.
>
> I've not got a couple of configurations that I can build and a short
> script that will verify that all the necessary files have been built, so
> that should hopefully catch such issues in the future.
>
> I had also pushed a fixed branch yesterday and it looks like today's
> linux-next built fine for HTE, so it's now included.
>
> Thierry



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