error: Autoconf version 2.68 or higher is required
error: Autoconf version 2.68 or higher is requirederror: Autoconf version 2.68 or higher is required
wget http://ftp.gnu.org/gnu/autoconf/autoconf-latest.tar.gz
tar xzvf autoconf-latest.tar.gz && cd autoconf-2.69
./configure && make && make install