Closed
Description
Describe the issue:
It seems #19713 included in numpy >=1.22 is preventing to build some extensions such as in the assimulo package with the error:
'Extension' object has no attribute 'extra_c_compile_args'
Reproduce the code example:
curl -fSsL https://github.com/modelon-community/Assimulo/archive/Assimulo-3.2.9.tar.gz | tar xz
cd Assimulo-Assimulo-3.2.9
python3 setup.py install --extra-fortran-link-flags="-shared" --sundials-home=/usr/local --lapack-home=/usr/lib64 --blas-home=/usr/lib64
### Error message:
```shell
Traceback (most recent call last):
File "/usr/local/src/Assimulo-Assimulo-3.2.9/setup.py", line 691, in <module>
ndc.setup(name=NAME,
File "/usr/local/lib/python3.9/site-packages/numpy/distutils/core.py", line 169, in setup
return old_setup(**new_attr)
File "/usr/local/lib/python3.9/site-packages/setuptools/__init__.py", line 155, in setup
return distutils.core.setup(**attrs)
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/core.py", line 148, in setup
return run_commands(dist)
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/core.py", line 163, in run_commands
dist.run_commands()
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/dist.py", line 967, in run_commands
self.run_command(cmd)
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/dist.py", line 986, in run_command
cmd_obj.run()
File "/usr/local/lib/python3.9/site-packages/numpy/distutils/command/install.py", line 60, in run
r = self.setuptools_run()
File "/usr/local/lib/python3.9/site-packages/numpy/distutils/command/install.py", line 54, in setuptools_run
self.do_egg_install()
File "/usr/local/lib/python3.9/site-packages/setuptools/command/install.py", line 116, in do_egg_install
self.run_command('bdist_egg')
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/dist.py", line 986, in run_command
cmd_obj.run()
File "/usr/local/lib/python3.9/site-packages/setuptools/command/bdist_egg.py", line 164, in run
cmd = self.call_command('install_lib', warn_dir=0)
File "/usr/local/lib/python3.9/site-packages/setuptools/command/bdist_egg.py", line 150, in call_command
self.run_command(cmdname)
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/dist.py", line 986, in run_command
cmd_obj.run()
File "/usr/local/lib/python3.9/site-packages/setuptools/command/install_lib.py", line 11, in run
self.build()
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/command/install_lib.py", line 107, in build
self.run_command('build_ext')
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/dist.py", line 986, in run_command
cmd_obj.run()
File "/usr/local/lib/python3.9/site-packages/numpy/distutils/command/build_ext.py", line 316, in run
self.build_extensions()
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/command/build_ext.py", line 448, in build_extensions
self._build_extensions_serial()
File "/usr/local/lib/python3.9/site-packages/setuptools/_distutils/command/build_ext.py", line 473, in _build_extensions_serial
self.build_extension(ext)
File "/usr/local/lib/python3.9/site-packages/numpy/distutils/command/build_ext.py", line 380, in build_extension
extra_cflags = ext.extra_c_compile_args or []
AttributeError: 'Extension' object has no attribute 'extra_c_compile_args'
### NumPy/Python version information:
numpy 1.22.x