libidl-dev software package provides development files for programs that use libIDL, 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 libidl-dev
libidl-dev is installed in your system.
Make ensure the libidl-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libidl-dev *
You will get with libidl-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libidl-dev |
| Version | 0.8.14-0.2ubuntu4 |
| Description | development files for programs that use libIDL |
| Sub Section | libdevel |