*** setup configure

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

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

Distribution/Simple/Utils.hs:1:11:
    Warning: -fffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface #-} instead
[ 2 of 40] Compiling Distribution.Simple.PreProcess.Unlit ( Distribution/Simple/PreProcess/Unlit.hs, setup/Distribution/Simple/PreProcess/Unlit.o )
[ 4 of 40] Compiling Distribution.Compiler ( Distribution/Compiler.hs, setup/Distribution/Compiler.o )
[ 5 of 40] Compiling Distribution.Compat.TempFile ( Distribution/Compat/TempFile.hs, setup/Distribution/Compat/TempFile.o )

Distribution/Compat/TempFile.hs:60:43:
    Ambiguous type variable `e' in the constraint:
      `GHC.Exception.Exception e'
        arising from a use of `try'
                     at Distribution/Compat/TempFile.hs:60:43-63
    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/LocalBuildInfo.hs:1:11:
    Warning: -fffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface #-} instead

Distribution/Simple/Utils.hs:1:11:
    Warning: -fffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface #-} instead
[ 5 of 40] Compiling Distribution.Compat.TempFile ( Distribution/Compat/TempFile.hs, setup/Distribution/Compat/TempFile.o )

Distribution/Compat/TempFile.hs:60:43:
    Ambiguous type variable `e' in the constraint:
      `GHC.Exception.Exception e'
        arising from a use of `try'
                     at Distribution/Compat/TempFile.hs:60:43-63
    Probable fix: add a type signature that fixes these type variable(s)