[OE-core] Coordinating inter-layer dependencies

[McClintock Matthew-B29882]

On Wed, Dec 7, 2011 at 6:17 PM, Richard Purdie
<richard.purdie at linuxfoundation.org> wrote:
> On Thu, 2011-12-01 at 12:23 +0100, Koen Kooi wrote:
>> During the past month there have been a number of updates to OE-core
>> recipes that triggered parsing errors due to bbappend in other layers.
>> A small seleciton:
>>
>> * netbase
>> * libdrm
>> * xserver-xorg
>> * clutter
>>
>> My view is that layer maintainers need to keep an eye on potential
>> breakage and have updates ready when patches land into OE-core.
>> Looking back I can see that while the situation is improving a bit,
>> it's still not working. The problem with slow updates to layers is
>> that (with my angstrom hat on) users (and with my TI hat on) customers
>> and coworkers can't do builds without rm'ing the bbappends or
>> disabling the layer.
>
>
> I've been thinking about this. I wondered if the notion of wildcards
> for .bbappend might help, e.g. a file called:
>
> netbase_%.bbappend
>
> would match all versions of the netbase recipe.
>
> The % is consistent with PREFERRED_VERSION, I'm a little reluctant to
> use * since its a shell quoting mess.
>
> It wouldn't be hard to allow bitbake to support this and would solve
> some of the issues we've been having...

For what it's worth, I like the wild card idea.

-M