Install the latest stable autotools---lickety splits, no $hit.
$ wget -qO- https://raw.githubusercontent.com/rubicks/autotoolme/master/autotoolme.sh | sh
$ wget https://raw.githubusercontent.com/rubicks/autotoolme/master/autotoolme.sh
$ $EDITOR autotoolme.sh
# ...look around, confirm trustworthiness
$ chmod u+x ./autotoolme.sh && ./autotoolme.sh
- https://www.gnu.org/software/autoconf/
- https://www.gnu.org/software/automake/
- https://www.gnu.org/software/libtool/
- https://www.gnu.org/software/autoconf-archive/
peanuts (a.k.a. omgnuts) did something like this before I did.