libghc6-explicit-exception-dev software package provides transitional dummy package, 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 libghc6-explicit-exception-dev
libghc6-explicit-exception-dev is installed in your system.
Make ensure the libghc6-explicit-exception-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc6-explicit-exception-dev*
You will get with libghc6-explicit-exception-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Haskell |
| Package | libghc6-explicit-exception-dev |
| Version | 01:08:00 |
| Description | transitional dummy package |
| Sub Section | Haskell |