getting the -B topdir for a GHC-API app

[Lemmih]

On 10/22/06, Mathew Mills <mathewmills at mac.com> wrote:
> What is the "right" way to get the topDir for use with the GHC API.
> I have a little app that I would like to cabalize and release, but I
> am not sure what is the approved way of getting the '-B' option set-up.
>
> I think it would be great if I could use template-haskell to insert
> the topDir from the ghc used to compile the app, but I am not sure
> how to get the topDir from the compiler.  Is this possible?

You can find the topDir by running: /path/to/ghc --print-libdir

This setup script does almost every thing you need:
http://www.cse.unsw.edu.au/~dons/code/hs-plugins/scripts/Setup-with-ghc.lhs

-- 
Cheers,
  Lemmih