=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for py39-frozenlist-1.4.1
* Building wheel...
**********************
* Accelerated build *
**********************
Traceback (most recent call last):
  File "/usr/pkg/lib/python3.9/site-packages/pyproject_hooks/_in_process/_in_process.py", line 353, in <module>
    main()
  File "/usr/pkg/lib/python3.9/site-packages/pyproject_hooks/_in_process/_in_process.py", line 335, in main
    json_out['return_val'] = hook(**hook_input['kwargs'])
  File "/usr/pkg/lib/python3.9/site-packages/pyproject_hooks/_in_process/_in_process.py", line 251, in build_wheel
    return _build_backend().build_wheel(wheel_directory, config_settings,
  File "/usr/pkg/lib/python3.9/contextlib.py", line 79, in inner
    return func(*args, **kwds)
  File "/pbulk/work/devel/py-frozenlist/work/frozenlist-1.4.1/packaging/pep517_backend/_backend.py", line 287, in build_wheel
    with maybe_prebuild_c_extensions(
  File "/usr/pkg/lib/python3.9/contextlib.py", line 119, in __enter__
    return next(self.gen)
  File "/pbulk/work/devel/py-frozenlist/work/frozenlist-1.4.1/packaging/pep517_backend/_backend.py", line 266, in maybe_prebuild_c_extensions
    _cythonize_cli_cmd(cythonize_args)
NameError: name '_cythonize_cli_cmd' is not defined

ERROR Backend subprocess exited when trying to invoke build_wheel
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/devel/py-frozenlist
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/py-frozenlist