Better error message if failed

scripts/mysql_install_db.sh

@@ -202,8 +202,10 @@ cannot_find_file()
   fi
 
   echo
-  echo "If you compiled from source, you need to run 'make install' to"
+  echo "If you compiled from source, you need to either run 'make install' to"
   echo "copy the software into the correct location ready for operation."
+  echo "If you don't want to do a full install, you can use the --srcddir"
+  echo "option to only install the mysql database and privilege tables"
   echo
   echo "If you are using a binary release, you must either be at the top"
   echo "level of the extracted archive, or pass the --basedir option"