Install libmuffin-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libmuffin-dev
lightweight window and compositing manager (development files)
Muffin is a small window manager performing compositing as well based on GTK+ and Clutter and used in desktop environment such as Cinnamon. . It is fairly extensible by the mean of plugins, providing new or customized visual effects as well as a flexibility in the behavior of the window manager. . This package contains the development files.