*** setup configure

Creating dist/setup (and its parents)
/usr/local/bin/ghc --make Setup.hs -o dist/setup/setup -odir dist/setup -hidir dist/setup
[1 of 1] Compiling Main             ( Setup.hs, dist/setup/Main.o )
Linking dist/setup/setup ...
dist/setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=http://hackage.haskell.org/cgi-bin/hackage-scripts/package/sessions-2007.6.14 --verbose
Configuring sessions-2007.6.14...
Warning: No 'build-type' specified. If you do not need a custom Setup.hs or
./configure script then use 'build-type: Simple'.
Dependency base-any: using base-3.0.1.0
Dependency mtl-any: using mtl-1.1.0.1
Using Cabal-1.4.0.1 compiled by ghc-6.8
Using compiler: ghc-6.8.2
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/sessions-2007.6.14/ghc-6.8.2
Private binaries installed in: /usr/local/tmp/archive/install/libexec
Data files installed in:
/usr/local/tmp/archive/install/share/sessions-2007.6.14
Documentation installed in:
/usr/local/tmp/archive/install/share/doc/sessions-2007.6.14
Using alex version 2.0.1 found on system at: /usr/local/bin/alex
Using ar found on system at: /usr/bin/ar
Using c2hs version 0.15.1 found on system at: /usr/local/bin/c2hs
Using cpphs version 0.7 found on system at: /usr/bin/cpphs
Using ffihugs found on system at: /usr/local/bin/ffihugs
Using ghc version 6.8.2 found on system at: /usr/local/bin/ghc
Using ghc-pkg version 6.8.2 found on system at: /usr/local/bin/ghc-pkg
No greencard found
Using haddock version 2.1.0 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 0.66 found on system at: /usr/local/bin/hsc2hs
Using hscolour version 1.9 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 nhc98 found
Using pkg-config version 0.22 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

dist/setup/setup build --verbose
Creating dist/build (and its parents)
Creating dist/build/autogen (and its parents)
Preprocessing library sessions-2007.6.14...
Building sessions-2007.6.14...
Building library...
Creating dist/build (and its parents)
/usr/local/bin/ghc -package-name sessions-2007.6.14 --make -hide-all-packages -i -idist/build -i. -idist/build/autogen -Idist/build -odir dist/build -hidir dist/build -stubdir dist/build -package base-3.0.1.0 -package mtl-1.1.0.1 -O -O2 Control.Concurrent.Session Control.Concurrent.Session.BaseClasses Control.Concurrent.Session.BaseTypes Control.Concurrent.Session.Choice Control.Concurrent.Session.ExtraClasses Control.Concurrent.Session.List Control.Concurrent.Session.Loop Control.Concurrent.Session.Runtime Control.Concurrent.Session.State
[1 of 9] Compiling Control.Concurrent.Session.List ( Control/Concurrent/Session/List.hs, dist/build/Control/Concurrent/Session/List.o )
[2 of 9] Compiling Control.Concurrent.Session.ExtraClasses ( Control/Concurrent/Session/ExtraClasses.hs, dist/build/Control/Concurrent/Session/ExtraClasses.o )
[3 of 9] Compiling Control.Concurrent.Session.BaseTypes ( Control/Concurrent/Session/BaseTypes.hs, dist/build/Control/Concurrent/Session/BaseTypes.o )
[4 of 9] Compiling Control.Concurrent.Session.BaseClasses ( Control/Concurrent/Session/BaseClasses.hs, dist/build/Control/Concurrent/Session/BaseClasses.o )
[5 of 9] Compiling Control.Concurrent.Session.State ( Control/Concurrent/Session/State.hs, dist/build/Control/Concurrent/Session/State.o )
[6 of 9] Compiling Control.Concurrent.Session.Loop ( Control/Concurrent/Session/Loop.hs, dist/build/Control/Concurrent/Session/Loop.o )

Control/Concurrent/Session/Loop.hs:120:27:
    outgoingChan  not in scope because it has a wobbly type (solution: add a type annotation)
    In the third argument of `doLoop', namely `outgoingChan'
    In the expression: doLoop func arg outgoingChan incomingChan
    In the expression:
        do outgoingChan <- newChan
           putMVar outgoing (LoopCell outgoingChan)
           (LoopCell incomingChan) <- takeMVar incoming
           doLoop func arg outgoingChan incomingChan