Deprecate IOCTL from IRIX for removal in 3.0.
diff --git a/Lib/plat-irix5/IOCTL.py b/Lib/plat-irix5/IOCTL.py
index cec3c3f..ffe0f93 100755
--- a/Lib/plat-irix5/IOCTL.py
+++ b/Lib/plat-irix5/IOCTL.py
@@ -3,6 +3,9 @@
# with some manual changes to cope with imperfections in h2py.py.
# The applicability on other systems is not clear; especially non-SYSV
# systems may have a totally different set of ioctls.
+from warnings import warnpy3k
+warnpy3k("the IOCTL module has been removed in Python 3.0", stacklevel=2)
+del warnpy3k
IOCTYPE = 0xff00
LIOC = (ord('l')<<8)