Re: [yocto] On managing debug and production builds

[Vinayak Menon <menon.vinayak@gmail.com>]

Add list. missed earlier.

On Wed, Mar 2, 2022 at 8:11 AM Vinayak Menon <menon.vinayak@gmail.com> wrote:
>
> On Tue, Mar 1, 2022 at 2:56 PM tomzy <tomasz.zyjewski@3mdeb.com> wrote:
> >
> > Thanks Tomasz. I will check kas.
> >
> > No problem
> >
> > Yes, for selecting some of the packages I have created prod and debug image
> > recipes.But this did not work for the kernel as the kernel recipe is picked
> > as part of PROVIDERin machine conf.
> >
> > What are the difference there? You want to use different config on prod and debug images?
> > Maybe add it as config fragments? Then you would need to add some global variable to
> > distinguish when use given .cfg file.
>
> Ya, and I am using exisitng IMAGE_FEATURE instead of the global var. I
> can use global var too.
> The only thing is that I am setting the global var from a conf and not
> image recipe.
>
> >
> > [1] https://docs.yoctoproject.org/singleindex.html#creating-configuration-fragments
> >
> > SoI had to use 2 conf to have the
> > IMAGE_FEATURES (orany other var)set differently for prod and debug. This is for
> > building the kernelrecipie differently for prodand debug. Setting the
> > IMAGE_FEATURES in the image recipe (and not inconf) causes2 problems. One is
> > that kernel and other bootloaders recipes are picked early via PROVIDER in conf
> > and not as packages included in image recipe.
> >
> > Is that a problem?
>
> Ya you are right, that is not a problem as such. But I have seen in the yocto
> documentation that IMAGE_FEATURES are recommended to be set from conf.
> Is there any reason for such a recommendation ?
>
> >
> > Secondly,setting the var in the
> > image recipe breaks this command for e.g.
> > "bitbake base-image-prod.bbbase-image-debug.bb".
> >
> > Didn't you want to distinguish this to builds to be able to run `bitbake base-image-prod` or
> > `bitbake base-image-debug`?
>
> Yes I want to distinguish, and as a developer I can give separate
> bitbake commands. But the
> thought was that later the user can issue commands the way they want.
> And if they use it in
> combined manner described above, expecting 2 images with different
> kernels, it does not work.
>
>
> >
> > Since the command parses the recipes only once for both image creation.
> >
> >
> > Nevertheless I would greatly recommend you to use kas. In simple .yml file you
> > could prepare different `local.conf` per configuration prod/debug.
>
> Sure, I will explore this.
>
>
> >
> > [2] https://kas.readthedocs.io/en/latest/userguide.html#project-configuration
> >
> > Regards,
> > Tomasz Żyjewski
> > Embedded Systems Engineer
> > GPG: 5C495EA3EBEECA59
> > https://3mdeb.com | @3mdeb_com
> >
> >
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> --
> vinayak



-- 
vinayak