FTBFS on void linux: undefined symbol: zmq_proxy

[mkoeppe]

  [ipykernel-git]   [spkg-install] * Building wheel...
  [ipykernel-git]   [spkg-install] Traceback (most recent call last):
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pyproject_hooks/_in_process/_in_process.py", line 389, in <module>
  [ipykernel-git]   [spkg-install]     main()
  [ipykernel-git]   [spkg-install]     ~~~~^^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pyproject_hooks/_in_process/_in_process.py", line 373, in main
  [ipykernel-git]   [spkg-install]     json_out["return_val"] = hook(**hook_input["kwargs"])
  [ipykernel-git]   [spkg-install]                              ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pyproject_hooks/_in_process/_in_process.py", line 280, in build_wheel
  [ipykernel-git]   [spkg-install]     return _build_backend().build_wheel(
  [ipykernel-git]   [spkg-install]            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  [ipykernel-git]   [spkg-install]         wheel_directory, config_settings, metadata_directory
  [ipykernel-git]   [spkg-install]         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  [ipykernel-git]   [spkg-install]     )
  [ipykernel-git]   [spkg-install]     ^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/hatchling/build.py", line 58, in build_wheel
  [ipykernel-git]   [spkg-install]     return os.path.basename(next(builder.build(directory=wheel_directory, versions=['standard'])))
  [ipykernel-git]   [spkg-install]                             ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/hatchling/builders/plugin/interface.py", line 147, in build
  [ipykernel-git]   [spkg-install]     build_hook.initialize(version, build_data)
  [ipykernel-git]   [spkg-install]     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/var/tmp/sage/build/ipykernel-git/src/hatch_build.py", line 17, in initialize
  [ipykernel-git]   [spkg-install]     from ipykernel.kernelspec import make_ipkernel_cmd, write_kernel_spec
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/var/tmp/sage/build/ipykernel-git/src/ipykernel/__init__.py", line 7, in <module>
  [ipykernel-git]   [spkg-install]     from .connect import *  # noqa: F403
  [ipykernel-git]   [spkg-install]     ^^^^^^^^^^^^^^^^^^^^^^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/var/tmp/sage/build/ipykernel-git/src/ipykernel/connect.py", line 12, in <module>
  [ipykernel-git]   [spkg-install]     import jupyter_client
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/jupyter_client/__init__.py", line 3, in <module>
  [ipykernel-git]   [spkg-install]     from .asynchronous import AsyncKernelClient
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/jupyter_client/asynchronous/__init__.py", line 1, in <module>
  [ipykernel-git]   [spkg-install]     from .client import AsyncKernelClient  # noqa
  [ipykernel-git]   [spkg-install]     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/jupyter_client/asynchronous/client.py", line 8, in <module>
  [ipykernel-git]   [spkg-install]     import zmq.asyncio
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/zmq/__init__.py", line 103, in <module>
  [ipykernel-git]   [spkg-install]     from zmq import backend
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/zmq/backend/__init__.py", line 31, in <module>
  [ipykernel-git]   [spkg-install]     raise original_error from None
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/zmq/backend/__init__.py", line 26, in <module>
  [ipykernel-git]   [spkg-install]     _ns = select_backend(first)
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/zmq/backend/select.py", line 31, in select_backend
  [ipykernel-git]   [spkg-install]     mod = import_module(name)
  [ipykernel-git]   [spkg-install]   File "/usr/lib/python3.13/importlib/__init__.py", line 88, in import_module
  [ipykernel-git]   [spkg-install]     return _bootstrap._gcd_import(name[level:], package, level)
  [ipykernel-git]   [spkg-install]            ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  [ipykernel-git]   [spkg-install]   File "/sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/zmq/backend/cython/__init__.py", line 6, in <module>
  [ipykernel-git]   [spkg-install]     from . import (
  [ipykernel-git]   [spkg-install]     ...<9 lines>...
  [ipykernel-git]   [spkg-install]     )
  [ipykernel-git]   [spkg-install] ImportError: /sage/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/zmq/backend/cython/_device.cpython-313-x86_64-linux-gnu.so: undefined symbol: zmq_proxy
  [ipykernel-git]   [spkg-install] 

https://github.com/passagemath/ipykernel/actions/runs/15243232272/job/42874480161#step:11:5707

This is with current HEAD; same issue with latest stable release - passagemath/passagemath#885

[mkoeppe]

An upgrade to pyzmq 26.4.0 fixed this.