(OS X) Can't link MonadCont, but ghci works
The following test case prints [0,1,2] with ghci-6.4 on
OS X, but ghc can't link it. The error is
$ ghc-6.4 -o y yield-cont-fails.hs
ld: Undefined symbols:
_ControlziMonadziCont_zdfMonadCont_closure
___stginit_ControlziMonadziCont_
The test case:
import Control.Monad.Cont
yield :: a -> Cont [a] ()
yield x = Cont (\c -> x : c ())
asGenerator :: Cont [a] v -> [a]
asGenerator (Cont f) = f (const [])
test = asGenerator (yield 0 >> yield 1 >> yield 2)
main = do print test
I have also attached it as a file to this bug. I do
not have other versions of ghc installed. I installed
GHC from
http://www.haskell.org/ghc/dist/6.4/MacOSX/GHC-6.4.pkg.zip
Trac metadata
Trac field |
Value |
Version |
6.4 |
Type |
Bug |
TypeOfFailure |
OtherFailure |
Priority |
normal |
Resolution |
ResolvedInvalid |
Component |
Compiler |
Test case |
|
Differential revisions |
|
BlockedBy |
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Related |
|
Blocking |
|
CC |
|
Operating system |
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Architecture |
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