Haddock version during build

[David Waern]

2008/6/3 Ian Lynagh <igloo at earth.li>:
> For a *nix binary distribution you can generate the shell wrapper when
> installing, like we do for GHC.

For GHC you know where the libdir is installed, so it is easy to
generate the wrapper. For Haddock, this is not the case, but we could
search for a compatible GHC version. It could be done by Haddock
itself, no need for a wrapper script. This is already in the TODO
list.

David