curl -OL http://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz
tar -xzf autoconf-2.69.tar.gz
cd autoconf-2.69
./configure && make && sudo make install
curl -OL http://ftp.gnu.org/gnu/automake/automake-1.15.tar.gz
tar -xzf automake-1.15.tar.gz
cd automake-1.15
./configure && make && sudo make install
curl -OL http://ftpmirror.gnu.org/libtool/libtool-2.4.6.tar.gz
tar -xzf libtool-2.4.6.tar.gz
cd libtool-2.4.6
./configure && make && sudo make install
