libgdl-3-5 software package provides GNOME DevTool libraries, 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 libgdl-3-5
libgdl-3-5 is installed in your system.
Make ensure the libgdl-3-5 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgdl-3-5 *
You will get with libgdl-3-5 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libgdl-3-5 |
| Version | 3.8.1-2ubuntu1 |
| Description | GNOME DevTool libraries |
| Sub Section | libs |