GNU bug report logs - #75080
guix pull fails on arm64 due to cmake DEB self-tests

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From: Simon Josefsson <simon <at> josefsson.org>
To: Leo Famulari <leo <at> famulari.name>
Cc: ludo <at> gnu.org, 75080 <at> debbugs.gnu.org
Subject: bug#75080: guix pull fails on arm64 due to cmake DEB self-tests
Date: Wed, 26 Feb 2025 09:41:01 +0100

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Leo Famulari <leo <at> famulari.name> writes:

> On Wed, Feb 05, 2025 at 12:18:41AM +0100, Simon Josefsson via Bug
> reports for GNU Guix wrote:
>> Looking more carefully at the errors, I notice this part:
>> 
>>    actual-err>    cpack-cfg> set(DPKG_EXECUTABLE "/usr/bin/dpkg")
>>    actual-err> cpack-cfg> set(READELF_EXECUTABLE
>> "/gnu/store/pqai4n95zn5wdw430gslb00sb967jdg8-binutils-2.41/bin/readelf")
>> 
>> So for some reason building cmake-bootstrap in guix in Debian picks up
>> Debian's /usr/bin/dpkg, doesn't it?!
>> 
>> I suppose that Guix's build servers aren't running Debian, so it won't
>> find any /usr/bin/dpkg.
>
> It would be really surprising if '/usr/bin/dpkg' could be found or
> accessed from within the package build environment, unless the build
> isolation has been disabled.
>
> Are you able to confirm if that is what's happening?

Hi.  What do you mean by disabled isolation?  In the initial e-mail I
quoted the set of commands used which involved:

(guix-daemon --disable-chroot --build-users-group=_guixbuild &

Is that what you mean?

Is building things without build isolation not supposed to work?

Maybe there is now sufficient details to reproduce this: rebuild
cmake-bootstrap in a Debian container with Guix installed without build
isolation.  I'm not sure how to trigger a cmake-bootstrap rebuild
though, guix just seems to use the cached result for me.

Btw, substitutes were available at some point, so there is now arm64
Guix container images suitable for GitLab pipeline!

https://gitlab.com/debdistutils/guix/container/-/pipelines/1682821432
https://gitlab.com/debdistutils/guix/container/-/jobs/9211075760

/Simon

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