[Coin-announce] [Coin-discuss] IBM passes open-source license baton to Eclipse

Laszlo Ladanyi ladanyi at us.ibm.com
Fri Apr 17 13:10:38 EDT 2009

CPL (and EPL) are not proprietary. It is open source and is approved 
by the Open Source Initiative, moreover as it's in the OSI's list of 
"Licenses that are popular and widely used or with strong 
communities". However, it is incompatible with the GPL. According to 
the incompatibility arises from a "choice of law" clause (the license 
is governed b ythe laws of NY) and because it has "weak copyleft" (I'm 
not sure exactly what that is).


On Fri, 17 Apr 2009, Andrew Makhorin wrote:

> Sorry for my possible misunderstanding.
> I am just wondering if the Eclipse Public License (EPL) makes the
> Coin-OR software compatible with the GNU GPL license, or nevertheless
> the Coin-OR remains proprietary. Thanks.
> Andrew Makhorin
> _______________________________________________
> Coin-discuss mailing list
> Coin-discuss at list.coin-or.org
> http://list.coin-or.org/mailman/listinfo/coin-discuss

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