[Haskell-cafe] GPL License of H-Matrix and prelude numeric

[John Millikin]

On Tue, Jan 25, 2011 at 18:55, Chris Smith <cdsmith at gmail.com> wrote:
> Licensing with the GPL has definite consequences; for example, that the
> great majority of Haskell libraries, which are BSD3 licensed, may not
> legitimately declare dependencies on it.
>
What are you talking about? Of course BSD3 libraries/applications can
depend on GPL'd code.

The only license Cabal allows that conflicts with the GPL is BSD4,
which (to my knowledge) is not used by any software on Hackage.