Install libfontenc-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libfontenc-dev
Description:
X11 font encoding library (development headers)
libfontenc is a library which helps font libraries portably determine and deal with different encodings of fonts. . This package contains the development headers for the library found in libfontenc1. Non-developers likely have little use for this package. . More information about X.Org can be found at:
Version: 1:1.1.3-1
Section: x11