Simon, notice that what you see is just a warning. Cabal will still pass the extension to GHC when compiling the package.
Andrea On Mon, 16 Mar 2026, at 1:17 AM, Simon Peyton Jones via ghc-devs wrote: > Friends > > As part of the reinstallable base project I'm adding an extension > "ImplicitKnownKeyNames" to GHC. But if I put "NoImplicitKnownKeyNames" in > base.cabal.in I get the error > > Warning: [unknown-extension] Unknown extensions: NoImplicitKnownKeyNames > > when building the base library. I think this comes from cabal. > > How can I tell cabal about the new extension? > > Thanks > > Simon > _______________________________________________ > ghc-devs mailing list -- [email protected] > To unsubscribe send an email to [email protected] > -- Andrea Bedini https://www.andreabedini.com
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