Bug report

posixmodule.c detects xattr support by checking for__GLIBC__ (and some other conditions) at

On a musl system, it's easy to reproduce with:

>>> import os>>> os.listxattr Traceback (most recent call last): File "", line 1, inAttributeError: module 'os' has no attribute 'listxattr'

Your environment

• CPython versions tested on: 3.10.10/3.11.2/3.12.0_alpha5
• Operating system and architecture: Gentoo Linux, amd64, musl libc (not glibc)
• Downstream report in Gentoo:https://bugs.gentoo.org/894130
• Report in a Python-using project:AttributeError: module 'os' has no attribute 'listxattr' GNS3/gns3-gui#1392

Linked PRs

• gh-101857: Allow xattr detection on musl libc #101858
• [3.11] gh-101857: Allow xattr detection on musl libc (GH-101858) #101894