***** autoconf *****
***** PWD: /home/coacher/Work/gentoo/portage-tmpdir/portage/www-client/firefox-52.7.4/work/firefox-52.7.4esr/js/src
***** autoconf old-configure.in -l //usr/share/aclocal

Usage: autoconf [-h] [--help] [-m dir] [--macrodir=dir]
       [-l dir] [--localdir=dir] [--version] [template-file]