$ ./autogen.sh --verbose
Verbose output enabled
Checking autoconf version: autoconf --version
Found GNU Autoconf version 2.61
Checking automake version: automake --version
Found GNU Automake version 1.1.0
ERROR: To prepare the BRL-CAD build system from scratch,
at least version 1.6.0 of GNU Automake must be installed.
does not need to be run on the same machine that will
run configure or make. Either the GNU Autotools will need to be installed
or upgraded on this system, or must be run on the source
code on another system and then transferred to here. -- Cheers!