Ömer Sinan Ağacan <[email protected]> writes:

> Currently we have to build Cabal from scratch after every make clean. Ideally 
> I
> should be able to skip this step by installing the correct versions of Cabal
> and cabal-install system-wide, but as far as I can see we currently doesn't
> support this. Any ideas on how to make this work?
>
Indeed we currently don't support this since ghc-pkg uses the Cabal API
which changes from release to release. I suspect you could hack Hadrian
to make this work (assuming you guaranteed that the system Cabal is
compatible with the in-tree version), but I'm not sure it's something
that we really want to encourage users to do.

Cheers,

- Ben

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