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-rw-r--r--Lib/distutils/sysconfig.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index d9c9d65..392d63d 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -518,6 +518,11 @@ def get_config_vars(*args):
_config_vars['prefix'] = PREFIX
_config_vars['exec_prefix'] = EXEC_PREFIX
+ # For backward compatibility, see issue19555
+ SO = _config_vars.get('EXT_SUFFIX')
+ if SO is not None:
+ _config_vars['SO'] = SO
+
# Always convert srcdir to an absolute path
srcdir = _config_vars.get('srcdir', project_base)
if os.name == 'posix':
@@ -568,4 +573,7 @@ def get_config_var(name):
returned by 'get_config_vars()'. Equivalent to
get_config_vars().get(name)
"""
+ if name == 'SO':
+ import warnings
+ warnings.warn('SO is deprecated, use EXT_SUFFIX', DeprecationWarning)
return get_config_vars().get(name)