grass-dev software package provides GRASS GIS development files, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install grass-dev
grass-dev is installed in your system.
Make ensure the grass-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep grass-dev *
You will get with grass-dev package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | grass-dev |
| Version | 7.0.3-1build1 |
| Description | GRASS GIS development files |
| Sub Section | Devel |