[poky] Fwd: Poky build failure with "Could not invoke dnf" error message.

[AshishKumar Mishra]

Hi Alex ,

Using these pointers from webpage Alex shared can relate to reason of error
and its solution
1) Note section of
https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#automatically-added-runtime-dependencies
2)
https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#var-ALLOW_EMPTY
3) Looking FILE_{PN} values of bitbake -e <RECIPE>

Thanks Richard / Khem Raj / Alex for pointers.
Ashish




On Mon, Oct 14, 2019 at 9:55 PM Alexander Kanavin <alex.kanavin at gmail.com>
wrote:

> On Mon, 14 Oct 2019 at 18:01, AshishKumar Mishra <
> ashish.emailaddress at gmail.com> wrote:
>
>>
>> Would it be possible to share any link / pointers to help me understand
>> the
>> "packaging " aspect of recipe
>>
>> *Predominantly , how are the package being created from the files being
>> copied to {D)<some-folder>*
>> *and what are the essential rules i need to know .*
>> (Like ALLOW_EMPTY_${PN} = “1” we are informing that the package can be
>> empty )
>>
>> But i am not able to understand :-
>> a) Who & how are packages being created from files copied in
>> {D)<some-folder>
>> b) What are the rules (Like ALLOW_EMPTY_${PN} = “1 ) for empty package ?
>> c) When would we get an empty package.
>>
>
> I think you could start here, an overview of everything that happens when
> you bitbake a recipe, and particularly where things are written and what
> bitbake variables are involved:
>
>
> https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#bitbake-dev-environment
>
> Alex
>
>
>
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