*** setup configure Configuring stateful-mtl-1.0.5... Dependency MaybeT -any: using MaybeT-0.1.2 Dependency array -any: using array-0.3.0.1 Dependency base -any: using base-4.2.0.2 Dependency containers -any: using containers-0.3.0.0 Dependency ghc-prim -any: using ghc-prim-0.2.0.0 Dependency mtl -any: using mtl-2.0.1.0 Dependency uvector -any: using uvector-0.1.1.1 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/stateful-mtl-1.0.5/ghc-6.12.3 Private binaries installed in: /usr/local/tmp/archive/install/libexec Data files installed in: /usr/local/tmp/archive/install/share/stateful-mtl-1.0.5 Documentation installed in: /usr/local/tmp/archive/install/share/doc/stateful-mtl-1.0.5 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 1.18.5 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 stateful-mtl-1.0.5... Building stateful-mtl-1.0.5... Building library... Creating dist/build (and its parents) /usr/local/bin/ghc --make -package-name stateful-mtl-1.0.5 -hide-all-packages -fbuilding-cabal-package -i -idist/build -i. -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 MaybeT-0.1.2-24e314391354b30752e3413ca7056070 -package-id array-0.3.0.1-438000c197b51c147f229b54edbf632e -package-id base-4.2.0.2-10bdacb430274706a59728e237e2bfb3 -package-id containers-0.3.0.0-ee442470d8dcc9e45f31677c400c5379 -package-id ghc-prim-0.2.0.0-9df3bd825ad17ca739e158c880a25b11 -package-id mtl-2.0.1.0-3f9e375da935e2a5248eaad918c634c8 -package-id uvector-0.1.1.1-87e43f2307ac0aba34fb3cd243898795 -O Control.Monad.Array Control.Monad.Array.ArrayT Control.Monad.Array.IntMap Control.Monad.Array.MArray Control.Monad.Array.Class Control.Monad.ST.Class Control.Monad.Trans.Operations Control.Monad.Array.Unboxed [1 of 8] Compiling Control.Monad.Trans.Operations ( Control/Monad/Trans/Operations.hs, dist/build/Control/Monad/Trans/Operations.o ) [2 of 8] Compiling Control.Monad.ST.Class ( Control/Monad/ST/Class.hs, dist/build/Control/Monad/ST/Class.o ) [3 of 8] Compiling Control.Monad.Array.Class ( Control/Monad/Array/Class.hs, dist/build/Control/Monad/Array/Class.o ) [4 of 8] Compiling Control.Monad.Array.ArrayT ( Control/Monad/Array/ArrayT.hs, dist/build/Control/Monad/Array/ArrayT.o ) [5 of 8] Compiling Control.Monad.Array.MArray ( Control/Monad/Array/MArray.hs, dist/build/Control/Monad/Array/MArray.o ) Control/Monad/Array/MArray.hs:19:130: Can't make a derived instance of `MonadST (MArrayM a e m)' (even with cunning newtype deriving): the class has associated types In the newtype declaration for `MArrayM'