[yocto] Automatically include all recipes/packages in a custom layer

[Chris Tapp]

> On 14 Mar 2015, at 11:42, Padam Jeet Singh <padam.singh at inventum.net> wrote:
> 
> 
>> On 14-Mar-2015, at 5:05 pm, Paul Eggleton <paul.eggleton at linux.intel.com <mailto:paul.eggleton at linux.intel.com>> wrote:
>> 
>> On Saturday 14 March 2015 12:51:31 Padam Jeet Singh wrote:
>>> I am trying to build a custom layer on top of core-image-full-cmdline.
>>> Basically I did this:
>>> 
>>> 1. Created a new general layer using the yocto-layer command. This also
>>> generated a simple hello world recipe. 2. Added that layer in the
>>> conf/bblayers.conf BBLAYERS variable.
>>> 
>>> Then I do a bitbake -v core-image-full-cmdline, and I don’t see
>>> /usr/bin/helloworld in the final rootfs.
>>> 
>>> Then I edit the conf/local.conf and add the following:
>>> 
>>> IMAGE_INSTALL_append = " example”
>>> 
>>> and then I can see the helloworld in the rootfs.
>>> 
>>> Since I will be adding close to 50 recipes in this layer, isn’t there an
>>> option where all recipes in that layer are included by default? Even if I
>>> have to declare each recipe to be included, is there a place where I can
>>> define those in my own layer configuration (layer.conf) rather than
>>> local.conf?
>> 
>> Firstly, I'd recommend you create your own custom image recipe(s) rather than 
>> adding packages via local.conf.
> 
> This is exactly what I am trying to avoid - it’s unmaintainable.

Why do you think it is unmaintainable? Doesn't it just need to inherit core-image-fill-cmdline and add in the packages you need.

> Secondly, the way to handle bringing in a 
>> large number of packages as a unit is to create a packagegroup recipe within 
>> your custom layer to pull in all the packages you want installed, and then you 
>> just need to add that packagegroup to your image.
> 
> This sounds good. Would I be referring to this group via the IMAGE_INSTALL_append = “ mygroup” ?
> 
>> 
>> Cheers,
>> Paul
>> 
>> -- 
>> 
>> Paul Eggleton
>> Intel Open Source Technology Centre
> 
> Padam J. Singh | VP Engg. | Inventum Technologies Private Limited
> www.inventum.net <http://www.inventum.net/>
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--

Chris Tapp
opensource at keylevel.com
www.keylevel.com

----
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