gir1.2-soup-2.4 software package provides GObject introspection data for the libsoup HTTP library, 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 gir1.2-soup-2.4
gir1.2-soup-2.4 is installed in your system.
Make ensure the gir1.2-soup-2.4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep gir1.2-soup-2.4 *
You will get with gir1.2-soup-2.4 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | gir1.2-soup-2.4 |
| Version | 2.52.2-1ubuntu0.1 [amd64, i386 |
| Description | GObject introspection data for the libsoup HTTP library |
| Sub Section | Libs |