#1146617 mariadb-connector-python: FTBFS: IndexError: list index out of range

#1146617#5
Date:
2026-09-03 19:35:26 UTC
From:
To:
Source: mariadb-connector-python
Version: 1.1.14-2
Severity: serious
Tags: ftbfs sid forky
Justification: fails to build from source (but built successfully in the past)
X-Debbugs-Cc: sramacher@debian.org

Dear maintainer,

mariadb-connector-python FTBFS:

I: pybuild plugin_pyproject:142: Building wheel for python3.14 with "build" module
I: pybuild base:385: python3.14 -m build --skip-dependency-check --no-isolation --wheel --outdir /build/reproducible-path/mariadb-connector-python-1.1.14/.pybuild/cpython3_3.14_mariadb
* Building wheel...
/usr/bin/mariadb_config: unrecognized option '--cc_version'
/usr/bin/mariadb_config: unrecognized option '--cc_version'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pyproject_hooks/_in_process/_in_process.py", line 389, in <module>
    main()
    ~~~~^^
  File "/usr/lib/python3/dist-packages/pyproject_hooks/_in_process/_in_process.py", line 373, in main
    json_out["return_val"] = hook(**hook_input["kwargs"])
                             ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/pyproject_hooks/_in_process/_in_process.py", line 280, in build_wheel
    return _build_backend().build_wheel(
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        wheel_directory, config_settings, metadata_directory
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/setuptools/build_meta.py", line 432, in build_wheel
    return _build(['bdist_wheel'])
  File "/usr/lib/python3/dist-packages/setuptools/build_meta.py", line 423, in _build
    return self._build_with_temp_dir(
           ~~~~~~~~~~~~~~~~~~~~~~~~~^
        cmd,
        ^^^^
    ...<3 lines>...
        self._arbitrary_args(config_settings),
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/setuptools/build_meta.py", line 404, in _build_with_temp_dir
    self.run_setup()
    ~~~~~~~~~~~~~~^^
  File "/usr/lib/python3/dist-packages/setuptools/build_meta.py", line 512, in run_setup
    super().run_setup(setup_script=setup_script)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/setuptools/build_meta.py", line 317, in run_setup
    exec(code, locals())
    ~~~~^^^^^^^^^^^^^^^^
  File "<string>", line 27, in <module>
  File "/build/reproducible-path/mariadb-connector-python-1.1.14/mariadb_posix.py", line 63, in get_config
    if version.Version(cc_version[0]) < version.Version(required_version):
                       ~~~~~~~~~~^^^
IndexError: list index out of range

TIP pass --env-dir and --sdist-extract-dir to keep the build environment and sources, then see https://build.pypa.io/en/stable/how-to/troubleshooting.html#debug-a-failed-build for help debugging a failed build
ERROR Backend subprocess exited when trying to invoke build_wheel

See
https://buildd.debian.org/status/fetch.php?pkg=mariadb-connector-python&arch=amd64&ver=1.1.14-2%2Bb1&stamp=1788353057&raw=0
for details.

Cheers