Unable to build lhc base

[nml]

Hi,

I've followed the steps described on http://lhc.seize.it/

i.e.,
---
*darcs get --partial http://darcs.haskell.org/cabal/
darcs get --partial http://darcs.haskell.org/cabal-install/

After you install the latest cabal and cabal install, you can do

cd lhc/lib/base
cabal install --lhc*
---

But then it said:
* $ unrecognized option `--lhc'*

It seems that the Cabal-install package from *
http://darcs.haskell.org/cabal-install/
*uses Cabal-1.6.0.1 shipped with ghc-6.10.1 rather than the newer one
(v1.7.0).

And in *cabal-install.cabal*, the *build-depends *is "Cabal >= 1.6 && <
1.7",  it's confusing.

I've tried to replace the original cabal with newer one and modified the
build-depends above, but ghc-pkg replied the threatening message:
    *$ ghc-pkg: unregistering Cabal-1.6.0.1 would break the following
packages: haddock-2.3.0 ghc-6.10.1 (use --force to override)

*Any hints?*

*Thanks,
Mura *
*
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