Install libaosd-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libaosd-dev
Description:
atheme.org's on screen display library - dev
libaosd is an advanced on screen display library. It supports many modern features like anti-aliased text and composited rendering via XComposite, as well as support for rendering Cairo and Pango layouts. . This package contains the development headers.
Homepage: http://www.atheme.org/project/libaosd
Version: 0.2.7-1.1ubuntu2
Section: universe/libdevel