libghc-bzlib-dev software package provides Haskell bindings to the bzip2 library, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libghc-bzlib-dev
libghc-bzlib-dev is installed in your system.
Make ensure the libghc-bzlib-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-bzlib-dev *
You will get with libghc-bzlib-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Haskell |
| Package | libghc-bzlib-dev |
| Version | 0.5.0.3-2+b1 [amd64, armhf, i3 |
| Description | Haskell bindings to the bzip2 library |
| Sub Section | Haskell |