[yocto] require and image.bbappend
Stefano Babic
sbabic at denx.de
Fri Apr 5 09:33:16 PDT 2019
Hi Matteo,
On 05/04/19 17:54, Matteo Facchinetti wrote:
>
> Hi Stefano,
>
> Il giorno gio 4 apr 2019 alle ore 17:32 Stefano Babic <sbabic at denx.de
> <mailto:sbabic at denx.de>> ha scritto:
>
> Hi Matteo,
>
> On 04/04/19 15:35, Matteo Facchinetti wrote:
> > Hi,
> >
> > I encountered a problem when try to add packages in my image
> recipe, but
> > I don't understernd if I wrong something or I have to do it in
> another way.
> >
> > In detail, in my common_layer there are:
> > - image_base.bb <http://image_base.bb> <http://image_base.bb> :
> yocto base image
> > - image_with_graphicsupport.bb
> <http://image_with_graphicsupport.bb>
> <http://image_with_graphicsupport.bb>
> > : where include image_base.bb <http://image_base.bb>
> <http://image_base.bb> (require
> > image_base.bb <http://image_base.bb> <http://image_base.bb>)
> >
> > Now, in my BSP layer, I want to add some packages to the
> image_base.bb <http://image_base.bb>
> > <http://image_base.bb>, so I create here the image_base.bbappend file.
> > But when I try to compile image_with_graphicsupport.bb
> <http://image_with_graphicsupport.bb>
> > <http://image_with_graphicsupport.bb> the result is not how expected.
> > Image_with_graphicsupport.bb doesn't add packages contained in
> > image_base.bbappend but only the packages contained in
> image_base.bb <http://image_base.bb>
> > <http://image_base.bb>.
> >
> > Is true that when include an image to another with require statement,
> > you can't extend the base image with a bbappend?
>
> Yes, it is true, because the file is included and it is not anymore like
> a recipe that can be extend. It will be searched for a
> image_with_graphicsupport.bb <http://image_with_graphicsupport.bb>
> append, not image_base.bbappend.
>
>
> Ok, understood.
>
>
> IMHO you can easy reach your goal if you write a packagegroup recipe
> where you put all packages you have in the IMAGE_INSTALL of your
> image_base.bb <http://image_base.bb>. You can then have a .bbappend
> for the packagegroup in
> your BSP layer (and this then works) and you put the packagegroup in the
> IMAGE_INSTALL directive of both image_base.bb <http://image_base.bb> and
> Image_with_graphicsupport.bb.
>
>
> Thank you very much for this tip.
> I have done exactly in this way and works perfectly and it's easy to manage.
>
:-)
> However there's a part containded in the image_base.bb
> <http://image_base.bb> recipe:
> inherit core-image
> IMAGE_FEATURE_append = "..."
>
> that I had to duplicate into the Image_with_graphicsupport.bb too.
>
> It's not a problem but is it possible to put them in a common recipe
> like packagegroup?
Then simply write a image_base.inc to factorize what is common and in
both recipes you can include it with "require image_base.inc"
Regards,
Stefano
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