+If you've obtained the source code by downloading a .tar.gz archive
+from the Puzzles web site, you should find several Makefiles in the
+source code. However, if you've checked the source code out from the
+Puzzles Subversion repository, you won't find the Makefiles: they're
+automatically generated by `mkfiles.pl', so run that to create them.
+
+The Makefiles include: