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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: "Lewis, Nick" <nick.lewis@usa.g4s.com>
Date: Thu, 25 Apr 2013 13:19:57 +0100
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Subject: Re: Problems with PACKAGE_CLASSES = "package_tar"
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On Thu, 2013-04-25 at 11:21 +0100, Lewis, Nick wrote:
> >> I am seeing problems when using PACKAGE_CLASSES = "package_tar"
> >>
> >> There are many warnings about python indents and there are errors
> >> regarding missing populate_sdk_tar.bbclass and rootfs_tar.bbclass
> >
> >With 1.3 (danny)? These should be fixed in 1.4 (dyland) and master...
> 
> Richard
> I have tried cherry picking from Dylan but it also seems to be missing populate_sdk_tar.bbclass and rootfs_tar.bbclass
> Does Dylan support PACKAGE_CLASSES = "package_tar" without these classes?

The package_tar class generates tarballs. tarballs do not have
dependency information so its not possible to implement the
populate_sdk_tar or rootfs_tar classes on top of it.

I'm seriously considering removing the package_tar code since it isn't
really useful and its clear nobody uses it since it remained broken for
a long time.

What you probably want to do is use a low overhead package manager like
opkg, then after image generation remove the package data.
core-image-minimal is an example of an image which does this.

Cheers,

Richard