libfastjet-dev software package provides Development files of FastJet, 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 libfastjet-dev
libfastjet-dev is installed in your system.
Make ensure the libfastjet-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfastjet-dev *
You will get with libfastjet-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | libfastjet-dev |
| Version | 3.0.6+dfsg-1 |
| Description | Development files of FastJet |
| Sub Section | Libdevel |