[oe] [Angstrom-devel] RFC: Add ipkg to minimal image

[Koen Kooi]

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Richard Purdie schreef:
> On Sun, 2007-12-02 at 16:35 +0100, Koen Kooi wrote:
>> To make it a bit more clear:
>>
>> There are 3 seperate items being discusses here:
>>
>>  1. how to stop a packagemanager getting into an image
>>  2. selecting which packageformat the build should use
>>  3. selecting which packagemanager handles which packageformat (ipkg can
>> handle .debs for example)
> 
> An image built with rootfs_deb needs to dpkg+apt, an image built with
> rootfs_ipk needs to use ipkg. The two will not currently work the other
> way around.

You can use rootfs_ipk to build a rootfs from .debs. ipkg only cares
about the files being an ar-wrapped-tarball, not the suffix. It requires
a small changes to the bbclass, but it is possible.

regards,

Koen

> Until that is addressed, points 2 and 3 are the same thing.
> 
>> ANGSTROM_PKG_FORMAT handles 2. and 3., but not 1. (yet)
> 
> The setting of IMG_PKGTYPE used or the inherit order of the package
> classes determine this. Do we need the angstrom specific variable?
> 
>> I think having a flag indicating *which* packagemanager gets is (like
>> Rods patch does) is a good thing, but a flag toggling the presence of
>> the packagemanager wouldn't be, since you can't distinguish the
>> resulting images from each other.
>> I think creating e.g. <foo>-nopm.bb recipes that do 'require <foo>.bb ;
>> PACKAGE_MANAGER = " "' would be the least confusing option.
> 
> I agree that specific images should have specific feature sets. This
> comes back to my point about the machine=nslu2 needing to make the
> console image usable.
> 
> Has anyone looked at how Poky does its IMAGE_FEATURES magic (see
> poky-image.bbclass)? Adding package-manager as an IMAGE_FEATURE style
> option and not as a DISTRO_FEATURE as I previously suggested could
> perhaps be a way forward...
> 
> Cheers,
> 
> Richard
> 
> 
> 
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> 


- --
koen at dominion.kabel.utwente.nl will go go away in december 2007, please
use k.kooi at student.utwente.nl instead.

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