This is a tracking bug for Change: Avoid Fedora-specific build flags in non-RPM Python extensions
For more details, see: https://fedoraproject.org/wiki/Changes/Python_Extension_Flags
The build flags (CFLAGS, CXXFLAGS and LDFLAGS) saved in the Python's distutils module for building extension modules are switched from:
*** Bug 1217376 has been marked as a duplicate of this bug. ***
All packages that explicitly called "python3 setup.py build/build_ext" without proper flags are fixed now. We will proceed with Python itself this week.
Python is adjusted.