Re: [ptxdist] Specific version dependency in opkg/ipkg Depends field

[Michael Olbrich <m.olbrich@pengutronix.de>]

Hi,

On Tue, Aug 02, 2016 at 04:22:24PM +0100, Andreas Glatz wrote:
> I'm using ptxdist-2012.03.0 and I'm adding two new components to the
> standard installation. Everything seems to work fine and I get ipkgs
> for both components, which I can install on the target.
> 
> Now I'd like to create a dependency of component A on B so that A can
> only be installed if B is present and has a certain version, let's say
> B has to be at or newer than version 0.6. Opkg/Ipkg seem to support
> this with by e.g. adding B(>=0.6) to Depends field in the control file
> of ipkg A.
> 
> Ptxdist automatically appends dependencies, however I haven't found a
> way to add a version dependency to a package (without hacking the
> package after it was created).
> 
> Any help appreciated.

There is no easy way to do this. In theory you could overwrite
ptxd_make_xpkg_prepare() with a custom version and do whatever you want
there, but accessing the necessary information there will not be trivial.

Michael

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