* Makefile.tpl: Autogenerate *-target-* lists, dependencies of all-target-foo on configure-target-foo. * Makefile.def: Ditto. * Makefile.in: Rebuild.
* Makefile.def: New file. * Makefile.tpl: New file. * Makefile.in: Generate from Makefile.tpl with 'autogen Makefile.def'. * configure.in: Minor rearrangement. Simplify tests.