[Haskell-cafe] How does cabal determine version ranges in the dependencies?

[David Fries]

Hi everyone

I recently started porting cabal-install to Freebsd. When I looked at its dependencies on hackage, I noticed HTTP (>=4000.0.2 && <4001). However the latest HTTP version on hackage is 4000.0.8. That struck me as kinda odd. How can cabal tell that it won't be compatible with HTTP version 4001?

regards
david
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