To install libghc-async-dev just follow these instructions.
/debian/jessie/main///install/index.html run IO operations asynchronously and wait for their results Debian 8.0 haskell 126.96.36.199-1
sudo apt-get install libghc-async-dev
Which will install libghc-async-dev and any other packages on which it depends.
|Maintainer||Debian Haskell Group |
|Description||run IO operations asynchronously and wait for their results|