asterisk-dev software package provides Development files for Asterisk, 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 asterisk-dev
asterisk-dev is installed in your system.
Make ensure the asterisk-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep asterisk-dev *
You will get with asterisk-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Development |
| Package | asterisk-dev |
| Version | 1:11.7.0~dfsg-1ubuntu1 |
| Description | Development files for Asterisk |
| Sub Section | devel |