Building with clang9 fails with the following error: clang-9: error: unknown argument: '-fno-semantic-interposition'
The newer clang should ignore automatically this build flag https://reviews.llvm.org/D65616
| Git Clone URL: | https://aur.archlinux.org/pycharm.git (read-only, click to copy) |
|---|---|
| Package Base: | pycharm |
| Description: | The only Python IDE you need. Bundled with the official JetBrains Runtime (JBR) |
| Upstream URL: | https://www.jetbrains.com/pycharm/ |
| Licenses: | custom |
| Conflicts: | pycharm-community-edition, pycharm-professional |
| Provides: | pycharm |
| Replaces: | pycharm-professional |
| Submitter: | Xavier |
| Maintainer: | Zpecter (Meaulnes) |
| Last Packager: | Zpecter |
| Votes: | 309 |
| Popularity: | 1.10 |
| First Submitted: | 2025-10-04 18:47 (UTC) |
| Last Updated: | 2026-07-03 19:20 (UTC) |
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Building with clang9 fails with the following error: clang-9: error: unknown argument: '-fno-semantic-interposition'
The newer clang should ignore automatically this build flag https://reviews.llvm.org/D65616
The build is working again for me.
Hi Flying-sheep, yes but that was temporal, I enable again the speedup debugging
Can you please make the makedeps optional?
Hi, I think the problem is present in the Pycharm because in cython it seems to be fixed https://github.com/cython/cython/issues/2938 anyway I disable temporally the speedup debugging while it is fixed.
The same problem,
_pydevd_bundle/pydevd_cython.c:331:11: error: too many arguments to function 'PyCode_New'
The offending request is gcc -pthread -fno-strict-aliasing -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -DNDEBUG -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python2.7 -c _pydevd_bundle/pydevd_cython.c -o build/_pydevd_bundle/pydevd_cython.o
@orbital_sfear I'm getting the same.
Is anyone else getting this error after python 3.8 dropped? _pydevd_bundle/pydevd_cython.c:331:11: error: too many arguments to function ‘PyCode_New’
I tried reinstalling cython, it didn't seem to help.
Pinned Comments
Meaulnes commented on 2026-03-27 16:37 (UTC)
This comment from @AvacadoCookie should be pinned, IMO.
If anyone is getting errors about
Cythonorsetuptools, and they are usingConda, that comment has the answer.If anyone is getting errors about
Cythonorsetuptools, and they are usingpyenv, there are 2 possible ways to fix it:pyenv local systemto set Python back to the system installed Python for this session.pip install Cython setuptoolsto install the necessary packages to your preferred python installation.AvocadoCookie commented on 2025-12-14 16:22 (UTC)
For all users with
ModuleNotFoundError: No module named 'Cython'or'setuptools'reported, please try the following methods to address the problem:condaenvironment. Now afterwhich pythontyped in console, the output should be/usr/bin/python.pacman -S cython python-setuptools.