[Haskell] Building extra-libs (packages text, data, util, lang)

[bft]

Hello
I am trying to install FRUIT (Functional Reactive User Interface Toolkit -
http://www.haskell.org/fruit/)

I didn't succeed when building Greencard (2.03 or 2.05) because (I suppose)
the packages text, data, util, lang were not found with the
ghc-6.6.1haskell compiler.
A part of the error generated is :
"Glasgow Haskell Compiler, Version 6.6.1, for Haskell 98, compiled by GHC
version 6.6.1
Using package config file: /home/bfotsing/lib/ghc-6.6.1/package.conf
Using package config file: /home/bfotsing/.ghc/i386-linux-6.6.1/package.conf
*** Deleting temp files:
Deleting:
*** Deleting temp dirs:
Deleting:
ghc-6.6.1: unknown package: text"

I don't know where to get those packages or (maybe) how to build them since
I didn't find them in the ghc extra-libs (
http://www.haskell.org/ghc/download_ghc_661.html).

Thanks for your help
BFT
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