# HG changeset patch
# Parent 6af0535b5e3abb2b93030313b9356d98b8d64603
diff --git a/Lib/distutils/tests/test_unixccompiler.py b/Lib/distutils/tests/test_unixccompiler.py
--- a/Lib/distutils/tests/test_unixccompiler.py
+++ b/Lib/distutils/tests/test_unixccompiler.py
@@ -11,6 +11,7 @@
     def setUp(self):
         self._backup_platform = sys.platform
         self._backup_get_config_var = sysconfig.get_config_var
+        self._backup_config_vars = sysconfig._config_vars
         class CompilerWrapper(UnixCCompiler):
             def rpath_foo(self):
                 return self.runtime_library_dir_option('/foo')
@@ -19,6 +20,7 @@
     def tearDown(self):
         sys.platform = self._backup_platform
         sysconfig.get_config_var = self._backup_get_config_var
+        sysconfig._config_vars = self._backup_config_vars
 
     def test_runtime_libdir_option(self):