autoreconf: -V is not an alias for --verbose

[Křištof Želechovski]

{ autoreconf -V; }
autoreconf (GNU Autoconf) 2.68
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+/Autoconf: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>, <http://gnu.org/licenses/exceptions.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by David J. MacKenzie and Akim Demaille.

{ autoreconf --verbose; }
autoreconf: `configure.ac' or `configure.in' is required