https://bugzilla.redhat.com/show_bug.cgi?id=1900494
Bug ID: 1900494
Summary: blender fails to build with Python 3.10: error:
implicit declaration of function
'_PyUnicode_AsStringAndSize'
Product: Fedora
Version: rawhide
Status: NEW
Component: blender
Assignee: luya_tfz(a)thefinalzone.net
Reporter: thrnciar(a)redhat.com
QA Contact: extras-qa(a)fedoraproject.org
CC: design-devel(a)lists.fedoraproject.org,
kwizart(a)gmail.com, luya_tfz(a)thefinalzone.net,
mhroncok(a)redhat.com, negativo17(a)gmail.com,
promac(a)gmail.com, thrnciar(a)redhat.com
Blocks: 1890881 (PYTHON3.10)
Target Milestone: ---
Classification: Fedora
blender fails to build with Python 3.10.0a2.
/python/intern/bpy.c:269:15: error: implicit declaration of function
'_PyUnicode_AsStringAndSize'; did you mean 'PyUnicode_FromStringAndSize'?
[-Werror=implicit-function-declaration]
269 | value_str = _PyUnicode_AsStringAndSize(value, &value_str_len);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| PyUnicode_FromStringAndSize
/builddir/build/BUILD/blender-2.90.1/source/blender/python/intern/bpy.c:269:13:
warning: assignment to 'const char *' from 'int' makes pointer from
integer
without a cast [-Wint-conversion]
269 | value_str = _PyUnicode_AsStringAndSize(value, &value_str_len);
| ^
cc1: some warnings being treated as errors
bpo-36346: Raises DeprecationWarning for PyUnicode_FromUnicode(NULL, size) and
PyUnicode_FromStringAndSize(NULL, size) with size > 0.
For the build logs, see:
https://copr-be.cloud.fedoraproject.org/results/@python/python3.10/fedora...
For all our attempts to build blender with Python 3.10, see:
https://copr.fedorainfracloud.org/coprs/g/python/python3.10/package/blender/
Testing and mass rebuild of packages is happening in copr. You can follow these
instructions to test locally in mock if your package builds with Python 3.10:
https://copr.fedorainfracloud.org/coprs/g/python/python3.10/
Let us know here if you have any questions.
Python 3.10 will be included in Fedora 35. To make that update smoother, we're
building Fedora packages with early pre-releases of Python 3.10.
A build failure prevents us from testing all dependent packages (transitive
[Build]Requires), so if this package is required a lot, it's important for us
to get it fixed soon.
We'd appreciate help from the people who know this package best, but if you
don't want to work on this now, let us know so we can try to work around it on
our side.
Referenced Bugs:
https://bugzilla.redhat.com/show_bug.cgi?id=1890881
[Bug 1890881] Python 3.10 tracker
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