Question about packages and GHCi
ijones at syntaxpolice.org
Tue Feb 1 22:16:39 EST 2005
Martin Erwig <erwig at cs.orst.edu> writes:
> I apologize if this is the wrong mailing list to turn to,
> but I would be grateful for any help with two problems
> I have when trying to add a package to GHCi. (I wasn't able
> to find sufficient information in the documentation for packages
> (1) When I try to add a package to ghc, I receive the
> error message that a GHCi lib fil cannot be found.
> > ghc-pkg -u -i fgl.pkg
> Reading package info from "fgl.pkg"done.
> Expanding embedded variables... done.
> warning: can't find GHCi lib `HSfgl.o'
> Saving old package config file... done.
> Writing new package config file... done.
Try ghc-pkg -u -i -g fgl.pkg
> GHCi runtime linker: fatal error: I found a duplicate definition
> for symbol
> whilst processing object file
> 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 about this one.
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