libonig-dev software package provides Development files for libonig2, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libonig-dev
libonig-dev is installed in your system.
Make ensure the libonig-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libonig-dev *
You will get with libonig-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libonig-dev |
| Version | 5.9.1-1ubuntu1 |
| Description | Development files for libonig2 |
| Sub Section | libdevel |