Fontconfig is designed to locate fonts within the system and select them according to requirements specified by applications.
fontconfig-2.2.0: description + notes
Fontconfig is not a rasterization library, nor does it impose a particular rasterization library on the application. The X-specific library 'Xft' uses fontconfig along with freetype to specify and rasterize fonts.
To auto-install this package, go back and click on the respective install icon.