-corrections to the alternative Makefiles themselves. The Unix `configure'
-script and its various requirements are generated by the shell script
-`mkauto.sh', which requires GNU Autoconf, GNU Automake, and Gtk.
+corrections to the alternative Makefiles themselves.
+
+The Unix `configure' script and its various requirements are generated
+by the shell script `mkauto.sh', which requires GNU Autoconf, GNU
+Automake, and Gtk; if you've got the source from Subversion rather
+than using one of our source snapshots, you'll need to run this
+yourself.