[OE-core] specific version dependenciews - was: Linking two recipes

[Wolfgang Denk]

Dear Denys,

In message <20120320004345.GG15554 at denix.org> you wrote:
>
> > Is there a clever way to describe such a multi-level dependency chain?
> 
> Will this help? See line #4 in the first example and lines #30-31 in second:
> 
> http://cgit.openembedded.org/openembedded-core/tree/meta/recipes-support/gnutls/gnutls.inc#n4
> http://cgit.openembedded.org/meta-openembedded/tree/meta-oe/recipes-graphics/xserver-nodm-init/xserver-nodm-init_2.0.bb#n30

Yes, this looks indeed interesting.

Is there also away to ask for a specific package version, i. e.
instead of "libgcrypt (>= 1.4.2)" something like "libgcrypt (= 1.4.2)"
or "libgcrypt-1.4.2" or such?

> There are some caveats with that notation, IIRC...

What would these be?  Is there any documentation about such details?
I searched the bitbake, poky and yocto docs but could not find it...

Best regards,

Wolfgang Denk

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