$ sudo apt-get update
$ sudo apt-get install libghc-polyparse-dev-1.7-9a912

libghc-polyparse-dev-1.7-9a912 is installed in your system.

Make ensure the libghc-polyparse-dev-1.7-9a912 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libghc-polyparse-dev-1.7-9a912*

You will get with libghc-polyparse-dev-1.7-9a912 package name, version, architecture and description in a table

libghc-polyparse-dev-1.7-9a912 package basic information: