$ autoreconf
configure.ac: required file `./install-sh' not found
configure.ac: required file `./missing' not found
test/Makefile.am: required file `./depcomp' not found
configure.ac:13: required file `./config.guess' not found
configure.ac:13: required file `./config.sub' not found
Makefile.am: required file `./INSTALL' not found
Makefile.am: required file `./COPYING' not found
autoreconf: automake failed with exit status: 1
$ autoreconf -i -s
configure.ac: installing `./install-sh'
configure.ac: installing `./missing'
test/Makefile.am: installing `./depcomp'
configure.ac:13: installing `./config.guess'
configure.ac:13: installing `./config.sub'
Makefile.am: installing `./INSTALL'
Makefile.am: installing `./COPYING'