Ref: http://lists.gnu.org/archive/html/emacs-devel/2011-03/msg00863.html

* compile, config.guess, config.sub, depcomp, install-sh, missing:
Remove; autoreconf can supply them.

* Makefile.in (sync-from-gnulib): Don't sync config.sub,
config.guess, install-sh.  Pass -i to autoreconf.

* autogen/update_autogen (genfiles): Add compile, config.guess,
config.sub, depcomp, install-sh, missing.  Pass -i to autoreconf.
Discard non-error output from autoreconf in -q case.

* autogen/compile, autogen/config.guess, autogen/config.sub:
* autogen/depcomp, autogen/install-sh, autogen/missing: New files.

* autogen/copy_autogen: Add compile, config.guess, config.sub, depcomp,
install-sh, missing.

* autogen/README: Add compile, config.guess, config.sub, depcomp,
install-sh, missing.

* INSTALL.BZR, admin/make-tarball.txt: Add -i to autoreconf args.

* .bzrignore: Add compile, config.guess, config.sub, depcomp,
install-sh, missing.

* aclocal.m4, compile, depcomp, lib/Makefile.in, lib/dummy.c:
* lib/gnulib.mk, m4/00gnulib.m4, m4/gnulib-cache.m4:
* m4/gnulib-common.m4, m4/gnulib-comp.m4, m4/gnulib-tool.m4, missing:
New files, generated automatically, with 'make sync-from-gnulib'
followed by 'make'.
* configure, lisp/dired.el, src/config.in: Regenerate.