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

[Alexander Kanavin]

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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