[oe] cleaning recipes

[Graeme Gregory]

 On 16/08/10 13:14, Frans Meulenbroeks wrote:
> 2010/8/16 Koen Kooi <k.kooi at student.utwente.nl>:
> would be nice if oe would detect those cases and force a rebuild.
>> That doesn't help if you're using packagemanagement. Now you have
>> "foo_1.0-r0.ipk" in the feeds that statically linked to openssl 0.9.8
>> and "foo_1.0-r0.ipk" locally that statically links to 1.0.0. So users
>> still don't get the fixes that went into openssl.
> Agree.
> I vaguely recall an idea (I believe from RP) to have a hash or so
> derived from the whole dependency tree below it.
> This discussion probably ran somewhere last winter.
>
> Frans
>
A quick implementation would sum all PR in depends tree above us.

Graeme