Re: yocto support


Senthamilarasi mathiyan
 

Hi Alexandre, 

I am not pushing any changes to open source kernel. I want to enable few driver module in the kernel. That configuration want to have in file/ folder. 

My changes. 
Kern


On Wed, 29 Jun, 2022, 1:37 pm Alexandre Belloni, <alexandre.belloni@...> wrote:
On 28/06/2022 17:21:22+0530, Senthamilarasi mathiyan wrote:
> Dear All
>
> Good Morning!
>
> In my project, I am trying to create one custom image recipe in my yocto
> build system.
>
>  The reason of creating custom image is  -> having few specific
> configurations for kernel and some specific driver Makefile changes to
> enable coverage.
>
>  I cannot go with .bbappend file, because we are maintaining a
> recipes-append folder in our meta-layer which is common for all the
> production build image recipes.
>
>  My change is very specific it should not come as part of normal build
> images because it will affect the production build.
>
>  My use case:
>
> 1. I have one .cfg file for kernel - which has kernel specific
> configurations.
>
> 2. I have Makefile changes for driver file.
>
>  I should bring the above changes to kernel and  driver Makefile during
> build time without using .bbappend file.
>
>  I want to create a custom image recipe with the specific changes.
>
>  For example : custom_image.bb =( This recipes should have
> core_image_minimal.bb + my specific changes)
>
>  When i build bitbake custom_image.bb,  it should  build  with
> core_image_minimal.bb + my specific changes .
>
> Other images recipes also should not affect by this changes.
>
> My humble request. Can anyone please support how to proceed?
>

You can't, a recipe can't affect any other recipe. When building
custom_image.bb, it is too late to introduce any kernel change.

> Kindly share your suggestions.
>
>  *Regards*
>
> *Senthamilarasi. M*
>
> ​

>
>
>


--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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