Added 'build_clib'; replaced 'install_py' and 'install_ext' with 'install_lib'.
diff --git a/Lib/distutils/command/__init__.py b/Lib/distutils/command/__init__.py
index d2b37a8..b7973c6 100644
--- a/Lib/distutils/command/__init__.py
+++ b/Lib/distutils/command/__init__.py
@@ -8,9 +8,9 @@
 __all__ = ['build',
            'build_py',
            'build_ext',
+           'build_clib',
            'install',
-           'install_py',
-           'install_ext',
+           'install_lib',
            'clean',
            'sdist',
           ]