Index: Lib/distutils/dir_util.py
===================================================================
--- Lib/distutils/dir_util.py	(revision 82925)
+++ Lib/distutils/dir_util.py	(working copy)
@@ -4,6 +4,7 @@
 
 __revision__ = "$Id$"
 
+import errno
 import os
 from distutils.errors import DistutilsFileError, DistutilsInternalError
 from distutils import log
@@ -69,10 +70,11 @@
         if not dry_run:
             try:
                 os.mkdir(head)
-                created_dirs.append(head)
             except OSError as exc:
-                raise DistutilsFileError(
-                      "could not create '%s': %s" % (head, exc.args[-1]))
+                if not (exc.errno == errno.EEXIST and os.path.isdir(head)):
+                    raise DistutilsFileError(
+                          "could not create '%s': %s" % (head, exc.args[-1]))
+            created_dirs.append(head)
 
         _path_created[abs_head] = 1
     return created_dirs