dependency analysis

[Duncan Coutts]

On Mon, 2007-08-27 at 20:58 -0400, Peter Gavin wrote:
> Hello everyone,
> 
> I was able to get dependency analysis working without touching a
> single Cabal source file.  I've added a new module
> Distribution.Simple.DepBuild, and a new version of Setup.lhs named
> SetupDep.lhs.  The only difference is that the buildHook is replaced.

Ah, good idea. So we could integrate this experimental code (though
probably after we fork for the next release) and anyone could try it
just by using a custom Setup.hs.

Duncan