libao-dev software package provides Cross Platform Audio Output 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 libao-dev
libao-dev is installed in your system.
Make ensure the libao-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libao-dev *
You will get with libao-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | libao-dev |
| Version | 1.1.0-3 |
| Description | Cross Platform Audio Output Library Development |
| Sub Section | Libdevel |