diff options
Diffstat (limited to 'Lib/sysconfig')
| -rw-r--r-- | Lib/sysconfig/__init__.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/sysconfig/__init__.py b/Lib/sysconfig/__init__.py index ec3b638..67a0719 100644 --- a/Lib/sysconfig/__init__.py +++ b/Lib/sysconfig/__init__.py @@ -353,7 +353,8 @@ def _init_posix(vars): else: _temp = __import__(name, globals(), locals(), ['build_time_vars'], 0) build_time_vars = _temp.build_time_vars - vars.update(build_time_vars) + # GH-126920: Make sure we don't overwrite any of the keys already set + vars.update(build_time_vars | vars) def _init_non_posix(vars): """Initialize the module as appropriate for NT""" |