readline problem on OS X

[Sven Panne]

Shin-Cheng Mu wrote:
 > [...] However, GHCi says:
 >
 >   Loading package util ... linking ...
 >   /usr/local/lib/ghc-6.0/HSutil.o: unknown symbol
 >   `___stginit_SystemziConsoleziReadline_'
 >   ghc-6.0: panic! (the `impossible' happened, GHC version 6.0):
 >           can't load package `util'
 >
 > Anyone knows what the problem might be? [...]

Perhaps the package dependencies are not correct for the Mac build.
(Wolfgang?). Try adding "-package readline" to GHCi's commandline.

Cheers,
    S.