liblbfgs-dev software package provides L-BFGS solver for unconstrained nonlinear optimization problems, 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 liblbfgs-dev
liblbfgs-dev is installed in your system.
Make ensure the liblbfgs-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep liblbfgs-dev *
You will get with liblbfgs-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | liblbfgs-dev |
| Version | 1.10-5 |
| Description | L-BFGS solver for unconstrained nonlinear optimization problems |
| Sub Section | Libdevel |