Deprecate GLWS from IRIX for removal in 3.0.
diff --git a/Lib/plat-irix5/GLWS.py b/Lib/plat-irix5/GLWS.py
index 69dab71..c1338c7 100755
--- a/Lib/plat-irix5/GLWS.py
+++ b/Lib/plat-irix5/GLWS.py
@@ -1,3 +1,7 @@
+from warnings import warnpy3k
+warnpy3k("the GLWS module has been removed in Python 3.0", stacklevel=2)
+del warnpy3k
+
 NOERROR = 0
 NOCONTEXT = -1
 NODISPLAY = -2