[yocto] [SDK] including kernel devsrc to the SDK failes

[Bruce Ashfield]

On 10/29/2018 9:10 AM, Khem Raj wrote:
> On Fri, Oct 26, 2018 at 6:54 AM Bruce Ashfield
> <bruce.ashfield at windriver.com> wrote:
>>
>>
>>
>> On 10/26/2018 4:28 AM, Måns Zigher wrote:
>>> So it looks like the number of /bin/awk have increased so the patch will
>>> fix one problem but there is more to fix. I have a "workaround" even
>>> though I am not so sure it is a workaround or not. The problem is fixed
>>> adding to kernel-devsrc.bbappend
>>>
>>> do_install_append() {
>>> # This fixes the rpm dependency failure on install of kernel-devsrc
>>> depending on /bin/awk
>>> cd ${D} || true
>>> for i in $(grep -srI "!/bin/awk" | cut -d":" -f1); do
>>> sed -i -e "s#!/bin/awk#!/usr/bin/env awk#g" $i
>>> done
>>> }
>>>
>>> The original solution can be found at
>>>
>>> https://gerrit.automotivelinux.org/gerrit/gitweb?p=AGL/meta-agl.git;a=blobdiff;f=meta-agl-bsp/meta-ti/recipes-kernel/linux/linux-ti-staging_%25.bbappend;h=43fa494a26c132b875c177acf0389163d5e34c06;hp=b2e5431400acef0a5372e5490ac4f464482d4b3b;hb=4bfc821810cdee47611c6d3e94d771971f51fa75;hpb=1cf6b17fd15fde569374c85d4df722784f4e9c67
>>>
>>> The best solution might be to add kernel patches but since the number of
>>> /bin/awk have increased I think that this is fine in the kernel universe
>>> but a problem in poky universe. So by adding it to kernel-devsrc it will
>>> make sure that when the kernel get's tainted in the future it will not
>>> break the rpm build. This is a "bug" only when using rpm ipk will not
>>> detect it as a problem.
>>
>> I'm ok with this type of solution as well, since this is similar
>> to what we've had to do with perf in the past (sed and modify versus
>> patching). I can always patch and fix things in linux-yocto, but then
>> another other kernel still suffers the issue.
> 
> 
> can we fix it in upstream kernel to use something like
> #!/usr/bin/env awk
> may be ?


Yup. That works too (as would a variable from the env), but we'll still
need a sed based patch in the short term.

Bruce

> 
>>
>> It would be better if folks with this problem also send patches upstream
>> to allow us to vary the location of awk via a variable, since that would
>> eventually fix all kernels without needing any modifications .. but that
>> is a medium term time play, versus doing the sed operation.
>>
>> If you have a patch to kernel-devsrc in master, feel free to send it
>> and cc' me, and I can pull it into my queue, test and then send it in
>> my next pull request.
>>
>> Bruce
>>
>>>
>>> BR
>>> Måns Zigher
>>>
>>> Den tors 25 okt. 2018 kl 13:19 skrev Måns Zigher <mans.zigher at gmail.com
>>> <mailto:mans.zigher at gmail.com>>:
>>>
>>>      Hi,
>>>
>>>      I am trying to add the kernel devsrc to the SDK but I am getting the
>>>      following error
>>>
>>>      Problem: conflicting requests
>>>         - nothing provides /bin/awk needed by kernel-devsrc-1.0-r0.imx8mqevk
>>>
>>>      I have applied the following patch to try and fix this problem.
>>>
>>>      http://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto/commit/?id=8af11c1cdd8fa08217e702b57cf96e9030db52b2
>>>
>>>      I have verified that it was applied and run kernel-devsrc works. The
>>>      error is from do_populate_sdk and I am suspecting that the problem
>>>      is related to me using rpm. I believe rpm might be to smart in this
>>>      case detecting the dependency and resulting dnf from failing when
>>>      running the task do_populate_sdk. Any suggestion on how to get
>>>      forward on this error. I would like to run dnf manually to check any
>>>      dependency of the kernel-devsrc rpm package but cannot figure out how.
>>>
>>>      BR
>>>      Måns Zigher
>>>
>>>
>>>
>> --
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