-echo ""
-echo "$warnsep"
-echo ""
-echo ' When you run "make install", the "xscreensaver",'
-echo ' "xscreensaver-demo", and "xscreensaver-command" executables'
-echo " will be installed in ${bindir}."
-echo ""
-echo " The various graphics demos (80+ different executables) will"
-echo " be installed in ${HACKDIR}."
-echo ""
-echo " If you would prefer the demos to be installed elsewhere"
-echo " (for example, in a dedicated directory) you should re-run"
-echo " configure with the --enable-subdir=DIR option. For more"
-echo " information, run $0 --help."
-echo ""
-echo "$warnsep"
-echo ""
+# canonicalize slashes.
+bindir=`echo "${bindir}" | sed 's@/$@@;s@//*@/@g'`
+HACKDIR=`echo "${HACKDIR}" | sed 's@/$@@;s@//*@/@g'`
+
+if test "${bindir}" = "${HACKDIR}" ; then
+ echo ""
+ echo "$warnsep"
+ echo ""
+ echo ' When you run "make install", the "xscreensaver",'
+ echo ' "xscreensaver-demo", and "xscreensaver-command" executables'
+ echo " will be installed in ${bindir}."
+ echo ""
+ echo " The various graphics demos (80+ different executables) will"
+ echo " also be installed in ${HACKDIR}."
+ echo ""
+ echo " If you would prefer the demos to be installed elsewhere"
+ echo " (for example, in a dedicated directory) you should re-run"
+ echo " configure with the --enable-subdir=DIR option. For more"
+ echo " information, run $0 --help."
+ echo ""
+ echo "$warnsep"
+ echo ""
+fi