Fix SF#1566719: not creating site-packages (or other target directory) when
installing .egg-info for a project that contains no modules or packages,
while using --root (as in bdist_rpm).
diff --git a/Lib/distutils/command/install_egg_info.py b/Lib/distutils/command/install_egg_info.py
index c31ac29..c888031 100644
--- a/Lib/distutils/command/install_egg_info.py
+++ b/Lib/distutils/command/install_egg_info.py
@@ -35,6 +35,9 @@
             dir_util.remove_tree(target, dry_run=self.dry_run)
         elif os.path.exists(target):
             self.execute(os.unlink,(self.target,),"Removing "+target)
+        elif not os.path.isdir(self.install_dir):
+            self.execute(os.makedirs, (self.install_dir,),
+                         "Creating "+self.install_dir)
         log.info("Writing %s", target)
         if not self.dry_run:
             f = open(target, 'w')