*** setup configure

setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=http://hackage.haskell.org/cgi-bin/hackage-scripts/package/RJson-0.2 --verbose
Configuring RJson-0.2...
setup: At least the following dependencies are missing:
syb-with-class -any

*** Trying again with preferred-versions

*** setup configure

setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=http://hackage.haskell.org/cgi-bin/hackage-scripts/package/RJson-0.2 --constraint=base<4 --constraint=parsec<3 --constraint=HaXml==1.13.* --constraint=QuickCheck<2 --verbose
Configuring RJson-0.2...
setup: At least the following dependencies are missing:
syb-with-class -any