[Haskell-cafe] executeFile failing on macosx

[David Powell]

"executeFile" is failing for me on Mac OS X 10.5.8, with ghc 6.12.1 when
compiling with "-threaded".  Compiling without -threaded, or running on
linux is fine.

When compiled with -threaded, the following snippet produces the error:
  testProg: /bin/echo: executeFile: failed (Operation not supported)

> import System.Posix.Process
> main = do
>
>  forkProcess $ executeFile "/bin/echo" False ["Ok"] Nothing

Any suggestions for a work around for this would be appreciated.

Cheers,

-- 
David Powell
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