Install libfontforge-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libfontforge-dev
Description:
font editor - runtime library (development files)
FontForge is a font editor. Use it to create, edit and convert fonts in OpenType, TrueType, UFO, CID-keyed, Multiple Master, and many other formats. . This package contains the runtime library's development files.
Homepage: https://fontforge.github.io/en-US/
Version: 1:20170731~dfsg-1
Section: universe/libdevel