Index: src/ui/gui/automake.mk
===================================================================
RCS file: /sources/pspp/pspp/src/ui/gui/automake.mk,v
retrieving revision 1.53
diff -b -w -U 3 -r1.53 automake.mk
--- src/ui/gui/automake.mk	16 Mar 2008 20:06:29 -0000	1.53
+++ src/ui/gui/automake.mk	9 May 2008 01:04:27 -0000
@@ -195,4 +195,12 @@
 	src/ui/gui/window-manager.c \
 	src/ui/gui/window-manager.h
 
-
+install-data-hook::
+	@if ! yelp --version > /dev/null 2>&1 ; then \
+		echo    ; \
+		echo '    The Yelp document veiwer does not seem to be installed on the system.' ; \
+		echo '    If Yelp is not available at run time, then the PSPPIRE online reference' ; \
+		echo '    manual will not be available.' ; \
+		echo '    Yelp is available from the GNOME project.  ftp://ftp.gnome.org/pub/gnome/sources/yelp' ; \
+		echo ; \
+	fi