+* Add code to generate foo-config script like gnome, gtk
+
* `DEFS += foo' won't work.
That's because DEFS is defined in header-vars.am, which is read
after the user's Makefile.am.
Some (very rare) POSIX systems don't support `=' in filenames.
If this ever becomes a problem, fix it
-a* distclean must remove config.status
+* distclean must remove config.status
can't this cause problems for maintainer-clean?
shouldn't maintainer-clean print the message before running
any part of the make? (just to slow things down long enough