GHC on Cygwin

[Sigbjorn Finne]

"Koen Claessen" <koen at cs.chalmers.se> writes:
>
...
> 
> However, ghci crashes at start up time! I get the following
> behavior:
> 
> >>>
> [lap/bin] -: ./ghci
...
> 
> Loading package base ... linking ...
> /d/Work/Packages/Ghc/Install/lib/ghc-5.03/HSbase_cbits.o:
> unknown symbol `_sigaddset'
> ghc-5.03: panic! (the `impossible' happened, GHC version
> 5.03):
>         can't load package `base'
> 
...
> 
> What to do?

I fixed the source of this one last week, so make sure the
compiler you're using to _build_ GHCi has got
an up-to-date version of ghc/rts/Linker.c

Once you do, you need to rebuild its ghc/rts, followed by
a re-link of the ghc executable that's invoked in the above.

--sigbjorn