Install weechat-dev by entering the following commands in the terminal:
sudo apt update sudo apt install weechat-dev
Description:
Fast, light and extensible chat client - development headers
WeeChat (Wee Enhanced Environment for Chat) is a fast and light chat client for many operating systems. Everything can be done with a keyboard. . This package contains the headers needed to build plugins.
Homepage: https://weechat.org/
Version: 1.9.1-1ubuntu1
Section: universe/devel