* doc/lispref/Makefile.in (srcs): Put elisp.texi first.
($(infodir)/elisp, elisp.dvi, elisp.pdf): Use $<.
* doc/lispintro/Makefile.in (${infodir}/eintr, emacs-lisp-intro.dvi)
(emacs-lisp-intro.pdf, emacs-lisp-intro.html): Use $<.
* doc/emacs/Makefile.in (EMACSSOURCES): Put emacs.texi first.
($(infodir)/emacs, emacs.dvi, emacs.pdf, emacs-xtra.dvi)
(emacs-xtra.pdf): Use $<.