[yocto] Keeping and modifying Source code in Yocto

[Ulf Samuelsson]

externalsrc.bbclass?

In my current project we have a simplified version in a ”component.bbclass”.
It relies on a variable COMPONENT_DIR defined in our local.conf.

A recipe located in ”recipe-xxxx/<package>/<package>_$PV.bb” doing

inherit component

will find its source code in $COMPONENT_DIR/<package>, making the recipe simpler than that of the externalsrc bbclass. No need for SRC_URI statements.

We check out meta layers and the components using repo so the components are always located in $COMPONENTS_DIR.

Been thinking of upstreaming this, but I am unsure about the interest.


Best Regards,
Ulf Samuelsson

> 6 juli 2018 kl. 17:27 skrev Tim Hammer <tdhammer99 at gmail.com>:
> 
> 
>> On Fri, Jul 6, 2018 at 11:20 AM, Simon Chamlian <simon.chamlian at mpbc.ca> wrote:
> 
>> Hi,
>> 
>> Is there a way to keep the source code of a package to be able to modify it and then compile?
>> 
>> For example, with LTIB ( Linux Target Image Builder ), it was possible with a command to extract the source code from a package, make modifications and then re-compile?
>> 
> 
> I suggest you take a look at the devtool:
>      https://www.yoctoproject.org/software-item/devtool/
>      https://wiki.yoctoproject.org/wiki/TipsAndTricks/Patching_the_source_for_a_recipe
> 
>  
>> Thanks,
>> S
>> 
>> 
>> 
>> 
>> 
>> 
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> 
> 
> 
> -- 
> 
> .Tim
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