Re: GHCi Package problem?

On Feb 3, 2005, at 2:13 AM, Simon Marlow wrote:

> >    Prelude> Data.Graph.Inductive.Example.clr486
> >
> >    GHCi runtime linker: fatal error: I found a duplicate definition
> > for symbol
> >       _DataziGraphziInductiveziInternalziFiniteMap_Empty_closure
> >    whilst processing object file
> >       ./Data/Graph/Inductive/Internal/FiniteMap.o
> >    This could be caused by:
> >       * Loading two different object files which export the same
> > symbol
> >       * Specifying the same object file twice on the GHCi command line
> >       * An incorrect `package.conf' entry, causing some object to be
> >         loaded twice.
> >    GHCi cannot safely continue in this situation.  Exiting now.
> > Sorry.
> >
> > I don't know what to do about this.
>
> Looks like GHCi is trying to load an object file for a module that is
> already present in the package.  If
> Data.Graph.Inductive.Internal.FiniteMap is present in the fgl package,
> then you shouldn't also have it in the current directory,

I don't.

There is another FiniteMap.hi (and FiniteMap.p_hi) in

   /usr/local/lib/ghc-6.2/imports/Data

Could this be the offender?

Thanks,
Martin