===> Building for py313-xmpppy-0.7.2
* Building wheel...

Traceback (most recent call last):
  File "/opt/pkg/lib/python3.13/site-packages/pyproject_hooks/_impl.py", line 402, in _call_hook
    raise BackendUnavailable(
    ...<4 lines>...
    )
pyproject_hooks._impl.BackendUnavailable: Cannot import 'setuptools.build_meta'

ERROR Backend 'setuptools.build_meta:__legacy__' is not available.
*** Error code 1

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/chat/py-xmpppy
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/chat/py-xmpppy