[Haskell-cafe] Why can I run (runghc) some Haskell scripts but I cannot seem to compile them?

[Daniel Peebles]

Did you try ghc --make?

On Thu, Nov 12, 2009 at 3:12 PM, Casey Hawthorne <caseyh at istar.ca> wrote:
> Why can I run (runghc) some Haskell scripts but I cannot seem to
> compile them?
>
> e.g. http://www.haskell.org/all_about_monads/examples/example25.hs
>
> I've changed the import listing to the following:
>
> import IO
> import System
> import Monad
> import Data.Maybe
> import Data.List
> import Data.Char (toLower)
> import Control.Monad.State
> import Control.Monad.Writer
>
> The compiler errors are like the following:
> N-Queens.o:fake:(.text+0x2fe): undefined reference to
> `mtlzm1zi1zi0zi2_Controlzi
> MonadziStateziLazzy_zdf9_closure'
> N-Queens.o:fake:(.text+0x422): undefined reference to
> `mtlzm1zi1zi0zi2_Controlzi
> MonadziStateziLazzy_zdf7_closure'
> N-Queens.o:fake:(.text+0x66f6): undefined reference to
> `mtlzm1zi1zi0zi2_Controlz
> iMonadziWriterziLazzy_zdf1_closure'
>
> --
> Regards,
> Casey
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