On Tue, Jul 1, 2014 at 1:25 PM, Johan Larson <johan.g.larson@gmail.com> wrote:
Is there a consensus within the Haskell community on the use of -Werror in packages uploaded to Cabal?

GHC's interpretation of Haskell, and the warnings it provides, change often enough that -Werror is generally a good way to lock a package to one or a small number of GHC releases. As such, last I heard Hackage complained if -Werror was found in a package's cabal file.

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