libfontconfig1-dev 2.12.6-0ubuntu2 (armhf binary) in ubuntu bionic

 Fontconfig is a font configuration and customization library, which
 does not depend on the X Window System. It is designed to locate
 fonts within the system and select them according to requirements
 specified by applications.
 .
 This package contains the static libraries and headers needed for the
 development of applications using fontconfig.