libfontconfig1-dev software package provides generic font configuration library - development, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libfontconfig1-dev
libfontconfig1-dev is installed in your system.
Make ensure the libfontconfig1-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfontconfig1-dev *
You will get with libfontconfig1-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | libfontconfig1-dev |
| Version | 2.11.0-6.3+deb8u1 |
| Description | generic font configuration library - development |
| Sub Section | Libdevel |