libkf5kdelibs4support-dev software package provides development files for kde4support, 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 libkf5kdelibs4support-dev
libkf5kdelibs4support-dev is installed in your system.
Make ensure the libkf5kdelibs4support-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libkf5kdelibs4support-dev *
You will get with libkf5kdelibs4support-dev package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Library development |
| Package | libkf5kdelibs4support-dev |
| Version | 5.18.0-0ubuntu1 |
| Description | development files for kde4support |
| Sub Section | Devel |