[yocto] [OE-core] [PATCHv2] yocto-compat-layer.py: Add script to YP Compatible Layer validation

[Richard Purdie]

On Wed, 2017-03-01 at 16:51 +0100, Patrick Ohly wrote:
> On Wed, 2017-03-01 at 15:12 +0000, Richard Purdie wrote:
> > 
> > On Wed, 2017-03-01 at 08:10 +0100, Patrick Ohly wrote:
> > > 
> > > Is the "build single distro for different machines" scenario that
> > > I
> > > described part of the Yocto Compliance 2.0? Should there be tests
> > > for
> > > it?
> > Right now its not
> Okay, so the goal is a bit less ambitious than I had thought. I
> wonder
> whether that's useful, because at least the problems Ostro and AGL
> (at
> least as far as I understood it from lurking on their mailing list)
> had
> only happened when trying to combine multiple BSP layers *and*
> actually
> using the different machines in the same distro.
> 
> > 
> > but I'd consider it.
> At least I'd find that useful - not sure about others ;-}

I do like the idea, I'm also mindful of walking before running...

> > 
> >  The question is can we write an
> > easy generic test for it,
> It's a bit more complicated than the existing tests, but I think it
> is
> doable.
> 
> > 
> > and also clearly phrase the criteria in the
> > list of compliance questions with a binary yes/no answer?
> Does the BSP layer only modify machine-specific packages and only
> when
> the MACHINE(s) defined by the BSP layer are selected? [yes/no]
> 
> The "only when" part is covered by the existing tests (because they
> keep
> MACHINE constant). The missing part is comparing different MACHINE
> sstamps.

That seems reasonable, unless the layer in question applying for
compatibility is not a BSP layer but thats a minor detail.

I'm open to more details on what the test would look like.

Cheers,

Richard