OS/2 EMX port Library and regression test changes:
  Lib/
    os.py
    os2emxpath.py   // added - OS/2 EMX specific path manipulation routines
    popen2.py
    site.py
  Lib/test/
    test_fcntl.py
    test_longexp.py
diff --git a/Lib/popen2.py b/Lib/popen2.py
index 14fe12f..07ed6d6 100644
--- a/Lib/popen2.py
+++ b/Lib/popen2.py
@@ -112,7 +112,7 @@
         _active.append(self)
 
 
-if sys.platform[:3] == "win":
+if sys.platform[:3] == "win" or sys.platform == "os2emx":
     # Some things don't make sense on non-Unix platforms.
     del Popen3, Popen4