libghc-hsql-postgresql-dev software package provides PostgreSQL driver of the HSQL library for GHC, 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 libghc-hsql-postgresql-dev
libghc-hsql-postgresql-dev is installed in your system.
Make ensure the libghc-hsql-postgresql-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-hsql-postgresql-dev *
You will get with libghc-hsql-postgresql-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Haskell |
| Package | libghc-hsql-postgresql-dev |
| Version | 1.8.2-4 |
| Description | PostgreSQL driver of the HSQL library for GHC |
| Sub Section | Haskell |