it looks like ghc itself is under a BSD3 style license, if thats any help. So per se, I think you can assume youre dealing with a BSD3 through and through system. see here for the ghc info http://www.haskell.org/ghc/license (this is something i've been sorting out for my own projects too, and to the best of my knowledge its all bsd3) admission: I'm actually likely to be providing a repackaging of ghc & the haskell platform with some additional tools for data analysis / machine learning to some enterprise customers come the fall, so thats why I have any thoughts on this matter. (but bear in mind that folks are this list aren't lawyers :) ) On Tue, Jul 31, 2012 at 7:46 AM, Sai Hemanth K wrote:

Thanks Magnus. I guess it means that the license of individual packages is what that matters. The platform on the whole does not have any single license.

In other words, I cannot just say that am using haskell platform but that I have to say, I am using x,y and z libraries which in turn are using a, b, c and d libraries.

...

A quick search suggests that ..: Ouch! Apologies. Guess I was looking at all the wrong places or my google-fu is embarrassingly bad.

Thanks again for the links!

Hemanth K

On Tue, Jul 31, 2012 at 4:41 PM, Magnus Therning wrote:

...

On Tue, Jul 31, 2012 at 12:29 PM, Sai Hemanth K wrote:

...

Hi,

I am trying to use haskell for building a tool (in a commercial setting). I am trying to figure out what all licenses are involved here. Is there a single license for the entire haskell platform (and the runtime) or is it that I need to look at the individual licenses of all the libraries and tools that make up the platform and point to them separately?

The wikipedia page on haskell platform [0] says Haskell Platform is BSD licensed. But I do not find any such info elsewhere. Any pointers on this would be greatly appreciated,

A quick search suggests that this still hasn't been decided:

http://trac.haskell.org/haskell-platform/ticket/85

http://trac.haskell.org/haskell-platform/wiki/AddingPackages#Interimlicensep...

I believe it still holds that all packages included in haskell-platform are BSD3 licensed.

/M

-- Magnus Therning OpenPGP: 0xAB4DFBA4 email: magnus@therning.org jabber: magnus@therning.org twitter: magthe http://therning.org/magnus

-- I drink I am thunk.

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Thomas Schilling :

You may concatenate the licenses of all the packages you are using. GHC includes the LGPL libgmp. The license file for each package is mentioned in the .cabal file.

If you need a version of GHC free of the LGPL, you can build GHC from source using the package 'integer-simple' instead of 'integer-gmp'. Manuel