commit c0afb7fa0ebd1c0e95c0760bbe75a99a8dd12ea6
author Matti Picus <matti.picus@gmail.com> Mon Dec 07 19:33:20 2020 +0200
committer GitHub <noreply@github.com> Mon Dec 07 17:33:20 2020 +0000
tree dbe97d3d7fa6c871765251fd8725a61869cdb619
parent 0ef96c2b2a291c9d2d9c0ba42bbc1900a21e65f3

bpo-39825: Fixes sysconfig.get_config_var('EXT_SUFFIX') on Windows to match distutils (GH-22088)

Lib/sysconfig.py

diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index 6c87b06..e1b2f93 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -424,10 +424,11 @@ def _init_posix(vars):
 def _init_non_posix(vars):
     """Initialize the module as appropriate for NT"""
     # set basic install directories
+    import _imp
     vars['LIBDEST'] = get_path('stdlib')
     vars['BINLIBDEST'] = get_path('platstdlib')
     vars['INCLUDEPY'] = get_path('include')
-    vars['EXT_SUFFIX'] = '.pyd'
+    vars['EXT_SUFFIX'] = _imp.extension_suffixes()[0]
     vars['EXE'] = '.exe'
     vars['VERSION'] = _PY_VERSION_SHORT_NO_DOT
     vars['BINDIR'] = os.path.dirname(_safe_realpath(sys.executable))