Re: [PATCH 0/5] media: Allwinner A10 CSI support

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On 11/13/2018 05:55 PM, Thomas Petazzoni wrote:
> Hello,
> 
> On Tue, 13 Nov 2018 17:00:25 +0100, Hans Verkuil wrote:
> 
>> Weird, if I build directly from that tarball, then v4l2-compliance should say:
>>
>> v4l2-compliance SHA: not available, 64 bits
>>
>> So that's what I expect to see from buildroot as well.
> 
> Indeed, that's strange, I see that the v4l2-compliance Makefile does:
> 
> version.h:
>         @if git -C $(srcdir) rev-parse HEAD >/dev/null 2>&1; then \
>                 echo -n "#define SHA " >$@ ; \
>                 git -C $(srcdir) rev-parse HEAD >>$@ ; \
>         else \
>                 touch $@ ; \
>         fi
> 
> which correctly uses $(srcdir), so it shouldn't go "up" the libv4l
> build folder and pick up the latest Buildroot commit SHA1. I'll have a
> quick look.

I think it does, actually. If the tar archive is unpacked inside the
checked-out buildroot git tree, then it will pick up the buildroot SHA.

I fixed v4l-utils to be a bit smarter about this:

https://git.linuxtv.org/v4l-utils.git/patch/?id=98b4c9f276a18535b5691e5f350f59ffbf5a9aa5

Regards,

	Hans



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