[Haskell-cafe] compilation succeeds -- execution fails
bertram.felgenhauer at googlemail.com
Sat Mar 29 04:29:52 EDT 2008
Jason Dusek wrote:
> I have a program here:
> currently at revision 302, which compiles okay but I can't get
> it to work. I'm using the FFI to take a (currently small)
> array and translate it into a Map.
> It compiles fine and loads fine -- but it doesn't run fine:
> GHCi, version 6.8.2: http://www.haskell.org/ghc/ :? for help
> Loading package base ... linking ... done.
> Prelude> import Data.Char.CEDICT
> Prelude Data.Char.CEDICT> traditional 'a'
> Loading package array-0.1.0.0 ... linking ... done.
> Loading package containers-0.1.0.1 ... linking ... done.
> Loading package parsec-184.108.40.206 ... linking ... done.
> Loading package utf8-string-0.2 ... linking ... done.
> Loading package cedict-0.1.1 ... linking ... <interactive>:
> unknown symbol `___stginit_cedictzm0zi1zi1_DataziCharziCEDICTziMatter_'
This is a cabal pitfall.
Note that this is a symbol from Data.Char.CEDICT.Matter.
(The 'zi' represents a dot)
The problem is that this module wasn't packaged up in the library;
you have to list it in the extra-modules field in the cabal file,
along with the other used Data.Char.CEDICT.* modules.
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