Install libsoup2.4-cil-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libsoup2.4-cil-dev
Description:
CLI bindings for libsoup2.4 - development package
Soup# 2.4 is a CLI (.NET) language binding for the Soup 2.4 HTTP implementation library. . This package contains development files for the soup-sharp library, and should be used for compilation.
Homepage: https://github.com/stsundermann/soup-sharp
Version: 2.42.2+git20151219-3
Section: universe/cli-mono