autoconf2.13 software package provides automatic configure script builder (obsolete version), you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install autoconf2.13
autoconf2.13 is installed in your system.
Make ensure the autoconf2.13 package were installed using the commands given below,
$ sudo dpkg-query -l | grep autoconf2.13 *
You will get with autoconf2.13 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | autoconf2.13 |
| Version | 2.13-67 |
| Description | automatic configure script builder (obsolete version) |
| Sub Section | Devel |