21.8.0: gevent uses deprecated distutils

[kloczek]

Description:

ep517 build is broken because gevent is using deprecated distutils which is causing that setuptools<>sphinx integration cannot be used.

+ /usr/bin/python3 setup.py build_sphinx -b man --build-dir build/sphinx
/usr/lib/python3.8/site-packages/setuptools/_distutils/dist.py:275: UserWarning: Unknown distribution option: 'cffi_modules'
  warnings.warn(msg)
usage: setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
   or: setup.py --help [cmd1 cmd2 ...]
   or: setup.py --help-commands
   or: setup.py cmd --help

error: invalid command 'build_sphinx'

https://www.sphinx-doc.org/en/master/usage/advanced/setuptools.html
https://www.python.org/dev/peps/pep-0632/

[kloczek]

Looks like 21.12.0 still is using deprecated distutils

[tkloczko@devel-g2v gevent-21.12.0]$ grep -r distutils
_setupares.py:import distutils.sysconfig  # to get CFLAGS to pass into c-ares configure script pylint:disable=import-error
_setupares.py:_distutils_cflags = distutils.sysconfig.get_config_var("CFLAGS") or ''
_setupares.py:cflags = _distutils_cflags + ((' ' + os.environ['CFLAGS']) if os.environ.get("CFLAGS") else '')
_setuplibev.py:            # NDEBUG is *not* defined. distutils likes to define NDEBUG by default,
_setuputils.py:from distutils import sysconfig as dist_sysconfig
_setuputils.py:    # distutils.sysconfig.get_python_inc() returns the main Python installation
_setuputils.py:    #   distutils.sysconfig.get_python_inc() -> /pythondir/include/python3.8
_setuputils.py:from distutils.errors import CCompilerError, DistutilsExecError, DistutilsPlatformError # pylint:disable=no-name-in-module,import-error
_setuputils.py:from distutils.command.clean import clean # pylint:disable=no-name-in-module,import-error
_setuputils.py:from distutils import log # pylint:disable=no-name-in-module
_setuputils.py:from distutils.dir_util import remove_tree # pylint:disable=no-name-in-module,import-error
appveyor.yml:      # If we leave this at 2015, we hit a bug in distutils+PyPy:
appveyor.yml:      #      File "C:\pypy2.7-v7.3.6-win64\lib-python\2.7\distutils\_msvccompiler.py", line 122, in _get_vc_env
appveyor.yml:      #   File "C:\pypy2.7-v7.3.6-win64\lib-python\2.7\distutils\_msvccompiler.py", line 102, in _find_vcvarsall
appveyor.yml:      #   File "C:\pypy2.7-v7.3.6-win64\lib-python\2.7\distutils\_msvccompiler.py", line 35, in _find_vc2015
src/gevent/libev/_corecffi_build.py:distutils_ext = _setuplibev.build_extension()
src/gevent/libev/_corecffi_build.py:_setuputils.ConfiguringBuildExt.gevent_add_pre_run_action(distutils_ext.configure)
src/gevent/libev/_corecffi_build.py:macros = list(distutils_ext.define_macros)
src/gevent/libev/_corecffi_build.py:    include_dirs=distutils_ext.include_dirs + [
src/gevent/libev/_corecffi_build.py:    undef_macros=distutils_ext.undef_macros,
src/gevent/libev/_corecffi_build.py:    libraries=distutils_ext.libraries,
src/gevent/libev/corecext.c:    "distutils": {
src/gevent/resolver/cares.c:    "distutils": {
src/gevent/testing/sysinfo.py:# XXX: In Python 3.10, distutils is deprecated and slated for removal in
src/gevent/testing/sysinfo.py:    from distutils.version import LooseVersion
src/gevent/testing/sysinfo.py:    from distutils.version import LooseVersion
src/gevent/_greenlet_primitives.c:    "distutils": {
src/gevent/_hub_primitives.c:    "distutils": {
src/gevent/_hub_local.c:    "distutils": {
src/gevent/_waiter.c:    "distutils": {
src/gevent/greenlet.c:    "distutils": {
src/gevent/_tracer.c:    "distutils": {
src/gevent/_abstract_linkable.c:    "distutils": {
src/gevent/_semaphore.c:    "distutils": {
src/gevent/local.c:    "distutils": {
src/gevent/_ident.c:    "distutils": {
src/gevent/_imap.c:    "distutils": {
src/gevent/event.c:    "distutils": {
src/gevent/queue.c:    "distutils": {
src/greentest/2.7pypy/test_threading.py:    # gevent: a distutils.errors.LinkError is sometimes raised.