Irix 6 specific files -- thanks Sjoerd!
diff --git a/Lib/plat-irix6/GLWS.py b/Lib/plat-irix6/GLWS.py
new file mode 100644
index 0000000..69dab71
--- /dev/null
+++ b/Lib/plat-irix6/GLWS.py
@@ -0,0 +1,12 @@
+NOERROR = 0
+NOCONTEXT = -1
+NODISPLAY = -2
+NOWINDOW = -3
+NOGRAPHICS = -4
+NOTTOP = -5
+NOVISUAL = -6
+BUFSIZE = -7
+BADWINDOW = -8
+ALREADYBOUND = -100
+BINDFAILED = -101
+SETFAILED = -102