libnm-util-dev software package provides network management framework (development 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 libnm-util-dev
libnm-util-dev is installed in your system.
Make ensure the libnm-util-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libnm-util-dev *
You will get with libnm-util-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | libnm-util-dev |
| Version | 0.9.8.8-0ubuntu7.1 [amd64, i38 |
| Description | network management framework (development files) |
| Sub Section | Net |