-AH_TEMPLATE([HAVE_XIDLE_EXTENSION],
- [Define this if you have the XIDLE extension installed. If you
- have the XIDLE extension, this is recommended. (You have this
- extension if the file /usr/include/X11/extensions/xidle.h
- exists.) Turning on this flag lets XScreenSaver work better with
- servers which support this extension; but it will still work
- with servers which do not suport it, so it's a good idea to
- compile in support for it if you can.])
-
-AH_TEMPLATE([HAVE_MIT_SAVER_EXTENSION],
- [Define this if you have the MIT-SCREEN-SAVER extension
- installed. See the caveats about this extension, above.
- (It's available if /usr/include/X11/extensions/scrnsaver.h
- exists.)])
-
-AH_TEMPLATE([HAVE_SGI_SAVER_EXTENSION],
- [Define this if you have the SGI SCREEN_SAVER extension. This is
- standard on Irix systems, and not available elsewhere.])
-
-AH_TEMPLATE([HAVE_SGI_VC_EXTENSION],
- [Define this if you have the SGI-VIDEO-CONTROL extension. This
- is standard on Irix systems, and not available elsewhere.])
+# This only ever existed in X11R4 and X11R5.
+#AH_TEMPLATE([HAVE_XIDLE_EXTENSION],
+# [Define this if you have the XIDLE extension installed. If you
+# have the XIDLE extension, this is recommended. (You have this
+# extension if the file /usr/include/X11/extensions/xidle.h
+# exists.) Turning on this flag lets XScreenSaver work better with
+# servers which support this extension; but it will still work
+# with servers which do not suport it, so it's a good idea to
+# compile in support for it if you can.])
+
+# Using this extension will crash your X server and make fading not work.
+#AH_TEMPLATE([HAVE_MIT_SAVER_EXTENSION],
+# [Define this if you have the MIT-SCREEN-SAVER extension
+# installed. See the caveats about this extension, above.
+# (It's available if /usr/include/X11/extensions/scrnsaver.h
+# exists.)])
+
+# This only ever existed on SGI hardware.
+#AH_TEMPLATE([HAVE_SGI_SAVER_EXTENSION],
+# [Define this if you have the SGI SCREEN_SAVER extension. This is
+# standard on Irix systems, and not available elsewhere.])
+
+# This only ever existed on SGI hardware.
+#AH_TEMPLATE([HAVE_SGI_VC_EXTENSION],
+# [Define this if you have the SGI-VIDEO-CONTROL extension. This
+# is standard on Irix systems, and not available elsewhere.])