libgrail-dev software package provides Gesture Recognition And Instantiation Library - dev files, 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 libgrail-dev
libgrail-dev is installed in your system.
Make ensure the libgrail-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgrail-dev *
You will get with libgrail-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libgrail-dev |
| Version | 3.1.0daily13.06.05-0ubuntu1 |
| Description | Gesture Recognition And Instantiation Library - dev files |
| Sub Section | libdevel |