linux-kernel - Re: [PATCH v5 6/8] media: v4l2-core: fix v4l2

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Message-ID: <0843718f-1391-3379-38be-41fa9558ea6d@xs4all.nl>
Date:   Sat, 14 Dec 2019 12:27:47 +0100
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Linux Media Mailing List <linux-media@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        y2038 Mailman List <y2038@...ts.linaro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 6/8] media: v4l2-core: fix v4l2_buffer handling for
 time64 ABI

On 12/13/19 4:32 PM, Hans Verkuil wrote:
>>> I am unable to test with musl since v4l2-ctl and v4l2-compliance are C++ programs,
>>> and there doesn't appear to be an easy way to compile a C++ program with musl.
>>>
>>> If you happen to have a test environment where you can compile C++ with musl,
>>> then let me know and I can give instructions on how to run the compliance tests.
>>>
>>> If you can't test that, then I can merge this regardless, and hope for the best
>>> once the Y2038 fixes end up in glibc. But ideally I'd like to have this tested.
>>
>> I've heard good things about the prebuilt toolchains from http://musl.cc/.
>> These seems to come with a libstdc++, but I have not tried that myself.
> 
> I'll see if I can give those a spin, but if I can't get it to work quickly,
> then I don't plan on spending much time on it.

I managed to build v4l2-ctl/compliance with those toolchains, but they seem to be
still using a 32-bit time_t.

Do I need to get a specific version or do something special?

Regards,

	Hans