$ autoconf --version

autoconf (GNU Autoconf) 2.63

Copyright (C) 2008 Free Software Foundation, Inc.

License GPLv2+: GNU GPL version 2 or later

<http://gnu.org/licenses/old-licenses/gpl-2.0.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.

$ autoconf

configure.ac:69: error: possibly undefined macro: AC_CONFIG_MACRO_DIRS

      If this token and others are legitimate, please use m4_pattern_allow.

      See the Autoconf documentation.

configure.ac:72: error: possibly undefined macro: AM_INIT_AUTOMAKE

configure.ac:74: error: possibly undefined macro: AM_SILENT_RULES

configure.ac:182: error: possibly undefined macro: AM_GNU_GETTEXT_VERSION

configure.ac:183: error: possibly undefined macro: AM_GNU_GETTEXT

configure.ac:189: error: possibly undefined macro: AM_CONDITIONAL

$ ./configure 

configure: error: cannot find install-sh or install.sh in build-aux "."/build-aux