[yocto] clarification about BSP layer names and bblayers.conf file?

[Tom Zanussi]

On Sat, 2013-04-20 at 05:35 -0400, Robert P. J. Day wrote:
> On Fri, 19 Apr 2013, Tom Zanussi wrote:
> 
> > On Fri, 2013-04-19 at 08:37 -0400, Robert P. J. Day wrote:
> >
> > >   second, the BBLAYERS example there seems overly complicated and
> > > potentially confusing to beginners. the fact that meta-yocto is listed
> > > as NON_REMOVABLE might make readers wonder how they're supposed to
> > > know that. why not go with something a lot more people will see, like,
> > > say:
> > >
> > >      BBLAYERS = ?" \                  <-- and that looks like a typo
> > >        /usr/local/src/yocto/meta \
> > >        /usr/local/src/yocto/meta-ti \
> > >        "
> > >
> > >      BBLAYERS_NON_REMOVABLE ?= " \
> > >        /usr/local/src/yocto/meta \
> > >        "
> > >
> >
> > I agree - the whole NON_REMOVABLE thing doesn't add anything and should
> > be removed - the example is just trying to show how to add a BSP layer -
> > the rest just adds potential confusion.  And, yeah, it's a typo..
> 
>   i'll let someone else decide what to do there.
> 
> > >   finally, the passing reference to layers that contain sub-BSP-layers
> > > is good, but show an example, such as the fact that the meta-crownbay
> > > layer.conf file has a dependency on meta-intel:
> > >
> > > ...
> > > LAYERDEPENDS_crownbay = "intel"
> > >
> > >   never pass up the opportunity to reinforce an idea with a few lines
> > > of actual code. :-)
> > >
> >
> > Agreed, but on the other hand we don't really want to be too
> > intel-specific (I know, we have crownbay everywhere else, but anyway..)
> 
>   i was just looking for an example of the kind of hierarchical layer
> structure you find in meta-intel. is there another layer that has that
> kind of structure?
> 

A quick scan of all the layers I have opengrokked here doesn't show any
either, so possibly meta-intel is currently the only example.  If so,
let's use it..

Tom

> rday
>