2013-01-17  Pedro Alves  <palves@redhat.com>

	* acinclude.m4: Include ../config/plugins.m4,
	../config/largefile.m4 and ../config/lead-dot.m4.  Add comments.
	* Makefile.in (aclocal_m4_deps): Update.
	* aclocal.m4: Renegerate.