bison software package provides YACC-compatible parser generator, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bison
bison is installed in your system.
Make ensure the bison package were installed using the commands given below,
$ sudo dpkg-query -l | grep bison *
You will get with bison package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Development |
| Package | bison |
| Version | 1:2.5.dfsg-2.1 |
| Description | YACC-compatible parser generator |
| Sub Section | devel |