*** setup configure

Creating setup (and its parents)
/usr/local/bin/ghc --make Setup.lhs -o setup/setup -odir setup -hidir setup

Distribution/Simple/Utils.hs:1:11:
    Warning: -fffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface#-} instead

Distribution/Simple/LocalBuildInfo.hs:1:11:
    Warning: -fffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface#-} instead
[ 1 of 32] Compiling Distribution.PreProcess.Unlit ( Distribution/PreProcess/Unlit.hs, setup/Distribution/PreProcess/Unlit.o )
[ 2 of 32] Compiling Distribution.Compat.Map ( Distribution/Compat/Map.hs, setup/Distribution/Compat/Map.o )
[ 3 of 32] Compiling Distribution.Compat.RawSystem ( Distribution/Compat/RawSystem.hs, setup/Distribution/Compat/RawSystem.o )
[ 4 of 32] Compiling Distribution.Compat.Directory ( Distribution/Compat/Directory.hs, setup/Distribution/Compat/Directory.o )
[ 5 of 32] Compiling Distribution.Compat.FilePath ( Distribution/Compat/FilePath.hs, setup/Distribution/Compat/FilePath.o )
[ 6 of 32] Compiling Distribution.Compat.Exception ( Distribution/Compat/Exception.hs, setup/Distribution/Compat/Exception.o )
[ 7 of 32] Compiling Distribution.GetOpt ( Distribution/GetOpt.hs, setup/Distribution/GetOpt.o )
[ 8 of 32] Compiling Language.Haskell.Extension ( Language/Haskell/Extension.hs, setup/Language/Haskell/Extension.o )
[ 9 of 32] Compiling Distribution.Simple.Utils ( Distribution/Simple/Utils.hs, setup/Distribution/Simple/Utils.o )
[10 of 32] Compiling Distribution.Program ( Distribution/Program.hs, setup/Distribution/Program.o )
[11 of 32] Compiling Distribution.License ( Distribution/License.hs, setup/Distribution/License.o )
[12 of 32] Compiling Distribution.Compat.ReadP ( Distribution/Compat/ReadP.hs, setup/Distribution/Compat/ReadP.o )
[13 of 32] Compiling Distribution.Version ( Distribution/Version.hs, setup/Distribution/Version.o )
[14 of 32] Compiling Distribution.Compiler ( Distribution/Compiler.hs, setup/Distribution/Compiler.o )
[15 of 32] Compiling Distribution.Setup ( Distribution/Setup.hs, setup/Distribution/Setup.o )
[16 of 32] Compiling Distribution.Package ( Distribution/Package.hs, setup/Distribution/Package.o )
[17 of 32] Compiling Distribution.ParseUtils ( Distribution/ParseUtils.hs, setup/Distribution/ParseUtils.o )
[18 of 32] Compiling Distribution.InstalledPackageInfo ( Distribution/InstalledPackageInfo.hs, setup/Distribution/InstalledPackageInfo.o )
[19 of 32] Compiling Distribution.PackageDescription ( Distribution/PackageDescription.hs, setup/Distribution/PackageDescription.o )
[20 of 32] Compiling Distribution.Simple.LocalBuildInfo ( Distribution/Simple/LocalBuildInfo.hs, setup/Distribution/Simple/LocalBuildInfo.o )
[21 of 32] Compiling Distribution.Simple.JHC ( Distribution/Simple/JHC.hs, setup/Distribution/Simple/JHC.o )
[22 of 32] Compiling Distribution.Simple.GHCPackageConfig ( Distribution/Simple/GHCPackageConfig.hs, setup/Distribution/Simple/GHCPackageConfig.o )

Distribution/Simple/GHCPackageConfig.hs:54:26:
    Ambiguous type variable `e' in the constraint:
      `GHC.Exception.Exception e'
        arising from a use of `try'
                     at Distribution/Simple/GHCPackageConfig.hs:54:26-49
    Probable fix: add a type signature that fixes these type variable(s)

*** Trying again with preferred-versions

*** setup configure

Creating setup (and its parents)
/usr/local/bin/ghc --make Setup.lhs -o setup/setup -odir setup -hidir setup

Distribution/Simple/Utils.hs:1:11:
    Warning: -fffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface#-} instead

Distribution/Simple/LocalBuildInfo.hs:1:11:
    Warning: -fffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface#-} instead
[22 of 32] Compiling Distribution.Simple.GHCPackageConfig ( Distribution/Simple/GHCPackageConfig.hs, setup/Distribution/Simple/GHCPackageConfig.o )

Distribution/Simple/GHCPackageConfig.hs:54:26:
    Ambiguous type variable `e' in the constraint:
      `GHC.Exception.Exception e'
        arising from a use of `try'
                     at Distribution/Simple/GHCPackageConfig.hs:54:26-49
    Probable fix: add a type signature that fixes these type variable(s)