libapq4-dev software package provides Pluggable Ada 95 Binding to various database systems (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 libapq4-dev
libapq4-dev is installed in your system.
Make ensure the libapq4-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libapq4-dev *
You will get with libapq4-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | libapq4-dev |
| Version | 3.2.0-2 |
| Description | Pluggable Ada 95 Binding to various database systems (development) |
| Sub Section | Libdevel |