Bug#1094821: spglib: autopkgtest failure on 32 bits blocking ruby3.3 transition

[Andrius Merkys]

Hi,

On 2025-02-06 23:39, Lucas Nussbaum wrote:
> Digging a bit further,

Thanks for investigating this issue.

> 1/ I confirmed that it has nothing to do with ruby (pybuild-autopkgtest
> fails the same way with no ruby packages installed)

Good.

> 2/ It seems that the bottom line is: spglib built against numpy 2 (in
> unstable) breaks when run against numpy 1 (in testing).
> 
> To reproduce:
> - build spglib in unstable. (it builds and tests fine)
> - install it
> - downgrade python3-numpy to the version in testing (1:1.26.4+ds-13)
> - run the test (it fails): python3.12 -m pytest test test/functional/python/test_reciprocal_mesh.py
> 
> I don't understand numpy enough to dig further.

Since numpy1 and numpy2 are incompatible, this makes a lot of sense. I 
assume these cross-tests will start passing once numpy2 gets into 
testing, as part of numpy2 transition.

Best,
Andrius