*** setup configure

Configuring IOSpec-0.2.1...
Dependency QuickCheck ==2.*: using QuickCheck-2.3
Dependency Stream -any: using Stream-0.4.1
Dependency base >=2 && <4: using base-3.0.3.2
Dependency mtl -any: using mtl-1.1.1.0
Using Cabal-1.8.0.6 compiled by ghc-6.12
Using compiler: ghc-6.12.3
Using install prefix: /usr/local/tmp/archive/install
Binaries installed in: /usr/local/tmp/archive/install/bin
Libraries installed in:
/usr/local/tmp/archive/install/lib/IOSpec-0.2.1/ghc-6.12.3
Private binaries installed in: /usr/local/tmp/archive/install/libexec
Data files installed in: /usr/local/tmp/archive/install/share/IOSpec-0.2.1
Documentation installed in:
/usr/local/tmp/archive/install/share/doc/IOSpec-0.2.1
Using alex version 2.3.3 found on system at: /usr/bin/alex
Using ar found on system at: /usr/bin/ar
Using c2hs version 0.16.0 found on system at: /usr/local/bin/c2hs
Using cpphs version 1.11 found on system at: /usr/local/bin/cpphs
Using ffihugs found on system at: /usr/local/bin/ffihugs
Using gcc version 4.4.5 found on system at: /usr/bin/gcc
Using ghc version 6.12.3 found on system at: /usr/local/bin/ghc
Using ghc-pkg version 6.12.3 found on system at: /usr/local/bin/ghc-pkg
Using greencard found on system at:
/usr/local/tmp/archive/install/bin/greencard
Using haddock version 2.8.1 found on system at: /usr/local/bin/haddock
Using happy version 1.17 found on system at: /usr/local/bin/happy
No hmake found
Using hsc2hs version 0.67 found on system at: /usr/local/bin/hsc2hs
Using hscolour version 1.17 found on system at: /usr/local/bin/HsColour
Using hugs found on system at: /usr/local/bin/hugs
No jhc found
Using ld found on system at: /usr/bin/ld
No lhc found
No lhc-pkg found
No nhc98 found
Using pkg-config version 0.25 found on system at: /usr/bin/pkg-config
Using ranlib found on system at: /usr/bin/ranlib
Using strip found on system at: /usr/bin/strip
Using tar found on system at: /bin/tar

*** setup build

Creating dist/build (and its parents)
Creating dist/build/autogen (and its parents)
Preprocessing library IOSpec-0.2.1...
Building IOSpec-0.2.1...
Building library...
Creating dist/build (and its parents)
/usr/local/bin/ghc --make -package-name IOSpec-0.2.1 -hide-all-packages -fbuilding-cabal-package -i -idist/build -isrc -idist/build/autogen -Idist/build/autogen -Idist/build -optP-include -optPdist/build/autogen/cabal_macros.h -odir dist/build -hidir dist/build -stubdir dist/build -package-id QuickCheck-2.3-73067c147a68e8982978b162c861b9ba -package-id Stream-0.4.1-54ce83923c85d4c4b739c46103193bab -package-id base-3.0.3.2-260693a92016991a03206b5a55f6a411 -package-id mtl-1.1.1.0-d036dc304ce29f3ccf77920ec7880651 -O -Wall -XMultiParamTypeClasses -XOverlappingInstances Test.IOSpec Test.IOSpec.Fork Test.IOSpec.IORef Test.IOSpec.MVar Test.IOSpec.STM Test.IOSpec.Surrogate Test.IOSpec.Teletype Test.IOSpec.Types Test.IOSpec.VirtualMachine
[1 of 9] Compiling Test.IOSpec.Surrogate ( src/Test/IOSpec/Surrogate.hs, dist/build/Test/IOSpec/Surrogate.o )

src/Test/IOSpec/Surrogate.hs:32:8:
    Illegal declaration of a type or class operator `:+:'
      Use -XTypeOperators to declare operators in type and declarations

*** Trying again with preferred-versions

*** setup configure

Configuring IOSpec-0.2.1...
cabal-setup: At least the following dependencies are missing:
QuickCheck >=2 && <3 && <2