v0.31.0: Undefined symbol "call_once" on FreeBSD 15
Author: 396bitCreated Jul 11, 2026Updated Aug 5, 2026
first things first: thanks for the great software!
my issue: installed under python 3.12 via pip on FreeBSD 15.1-p1:
Collecting asyncpg==0.31.0
Using cached asyncpg-0.31.0-cp312-cp312-freebsd_15_1_release_p1_amd64.whl
Installing collected packages: asyncpg
...results in this:
import asyncpg
File "/usr/home/l9/py312/lib/python3.12/site-packages/asyncpg/__init__.py", line 9, in <module>
from .connection import connect, Connection # NOQA
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/home/l9/py312/lib/python3.12/site-packages/asyncpg/connection.py", line 25, in <module>
from . import connect_utils
File "/usr/home/l9/py312/lib/python3.12/site-packages/asyncpg/connect_utils.py", line 33, in <module>
from . import protocol
File "/usr/home/l9/py312/lib/python3.12/site-packages/asyncpg/protocol/__init__.py", line 11, in <module>
from .protocol import Protocol, NO_TIMEOUT, BUILTIN_TYPE_NAME_MAP
ImportError: /usr/home/l9/py312/lib/python3.12/site-packages/asyncpg/protocol/protocol.cpython-312.so: Undefined symbol "call_once"python3.12/site-packages/asyncpg/protocol/protocol.cpython-312.so:
libthr.so.3 => /lib/libthr.so.3 (0x103df0c5a000)
libc.so.7 => /lib/libc.so.7 (0x103df255f000)
libsys.so.7 => /lib/libsys.so.7 (0x103df2bb6000)None of the three libs contains the call_once symbol.
Some link error / missconfiguration?!
Source: MagicStack/asyncpg