Re: [PATCH 0/2] handle DPKG_ARCH=all case for transitive deps

["'cedric.hombourger@siemens.com' via isar-users" <isar-users@googlegroups.com>]

On Wed, 2025-08-20 at 14:41 +0200, Felix Moessbauer wrote:
> This series fixes an issue with DPKG_ARCH=all packages that have
> dependencies to other DPKG_ARCH=all packages. Hereby, the transitive
> packages were built for the wrong architecture. The issue became
> apparent when testing the SBOM series by Christoph, which builds
> packages to be used during the ISAR build (not for the final target).
> 
> While fixing this, another issue surfaced where files are missing in
> dpkg-raw packages.

In my testing with downstream layers, this change caused some packages
to be built for architectures they were not targeted for. For instance,
I am now seeing the k3-rti-wdt firmware package [1] being built for
both amd64 and arm64. I also had a dpkg-prebuilt recipe for a package
supported on arm64 and amd64: it is now tried for armhf/i386.

Then there was this issue with dpkg-customization packages now leading
to a "multiple .bb files are due to be built" error. My work-around was
to add DPKG_ARCH=any to the dpkg-customization class since
customization packages are anyhow decorated with both DISTRO and
MACHINE (it is therefore ok and possibly better to have them explicitly
built for the arch of the MACHINE).

Note: Jan had suggested that I also pull [2] but that did not help

I evidently need to provide you more details. I have had a short
discussion with Felix and we suspect that multiconfig builds may be
causing these issues.

Anyhow, I hope that I can create minimal reproducers and get them added
to the CI test suite.

> 
> Best regards,
> Felix
> 
> Felix Moessbauer (2):
>   dpkg-raw: add files to source package
>   handle DPKG_ARCH=all case for transitive deps
> 
>  meta/classes/dpkg-raw.bbclass  |  4 ++--
>  meta/classes/multiarch.bbclass | 18 +++++++++++++++++-
>  2 files changed, 19 insertions(+), 3 deletions(-)
> 

-- 
Cedric Hombourger
Siemens AG
www.siemens.com

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