Install libfs-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libfs-dev
Description:
X11 Font Services library (development headers)
libFS, the Font Services library, provides various functions useful to X11 font servers, and clients connecting to font servers. It is not used outside of these implementations. . This package contains the development headers for the library found in libfs6. Non-developers likely have little use for this package. . More information about X.Org can be found at:
Version: 2:1.0.7-1
Section: libdevel