linux kernel compiler warnings ignored

[Tao Ren]

On 4/26/19 8:46 AM, Patrick Venture wrote:
> On Fri, Apr 26, 2019 at 8:14 AM Andrew Jeffery <andrew at aj.id.au> wrote:
>>
>>
>>
>> On Fri, 26 Apr 2019, at 08:01, Patrick Venture wrote:
>>> I'm getting feedback from a patchset I sent upstream that there are
>>> compiler warnings.  Which surprised me because my OpenBMC builds with
>>> those patches don't complain.  I imagine therefore we have them
>>> silenced and was curious where we silence them.
>>
>> How are you building the kernel?
>>
>> I strongly recommend you build kernels directly from the kernel source tree rather than using bitbake, if that's what you're doing.
> 
> I'm building the kernel via bitbake as you surmised.
> 
>>
>> In the kernel source tree, do:
>>
>> $ export ARCH=arm
>> $ export CROSS_COMPILE=arm-linux-gnueabi-
>> $ make aspeed_g5_defconfig
>> $ make W=1 -j$(nproc)
>>
>> This exports are from memory, ymmv.
> 
> Thanks. I've fired off a complete build of the kernel to catch this.
> I don't have the openbmc SDK toolchain installed at the moment, but
> that's not a difficult task.

I also noticed the issue earlier this week (bitbake doesn't report unused variables in my patch). Thank you Andrew and Patrick for raising the topic and sharing solutions.

Cheers,

Tao