[Haskell-cafe] Re: HS-Plugins 1.0 chokes on simple test, WinXP GHC-6.6

Donald Bruce Stewart dons at cse.unsw.edu.au
Fri Mar 9 05:15:04 EST 2007


Is this using the darcs repository version of hs-plugins?
That's the only versions that works with 6.6

alistair:
> Does anyone have hs-plugins working on WinXP with ghc-6.6? When I run
> the simple test below I get this error:
> 
> Main:
> c:/ghc/ghc-6.6/HSbase.o: unknown symbol `_free'
> Main: user error (Dynamic loader returned: user error (resolvedObjs 
> failed.))
> 
> Am I doing something obviously dumb?
> 
> Alistair
> 
> 
> module Test1 where
> test1 = putStrLn "test1"
> 
> 
> module Main where
> import Prelude hiding (catch)
> import Control.Exception
> import Data.List
> import System.Environment
> import System.Plugins
> 
> instance Show (LoadStatus a) where
>  show (LoadFailure errors) = "LoadFailure - " ++ (concat (intersperse
> "\n" errors))
>  show (LoadSuccess m p) = "LoadSuccess"
> 
> main = do
>  a <- getArgs
>  let
>    modName = case a of
>      (n:_) -> n
>      _ -> "Test1"
>  let modPath = "./" ++ modName ++ ".o"
>  let method = "test1"
>  fc <- catch (load modPath [""] [] method)
>    (\e -> return (LoadFailure
>      ["Dynamic loader returned: " ++ show e]))
>  case fc of
>    LoadFailure errors -> do
>      fail (concat (intersperse "\n" errors))
>    LoadSuccess modul proc -> do
>      let p :: IO (); p = proc
>      proc


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