[Fedora-legal-list] OpenCASCADE now under LGPL v2.1 plus exception

Tom Callaway tcallawa at redhat.com
Mon Dec 30 17:46:21 UTC 2013

On 12/25/2013 09:34 PM, Eric Smith wrote:
> I'd like to package OpenCASCADE, which was formerly under a non-free
> license, but starting from version 6.7.0 it has been relicensed under
> LGPL v2.1 plus an exception.  The full license is at:
>     http://www.opencascade.org/getocc/license/
> Here's the exception text, from the bottom of that page:
>       Open CASCADE Exception (version 1.0) to GNU LGPL version 2.1.
> The object code (i.e. not a source) form of a "work that uses the
> Library" can incorporate material from a header file that is part of the
> Library. As a special exception to the GNU Lesser General Public License
> version 2.1, you may distribute such object code incorporating material
> from header files provided with the Open CASCADE Technology libraries
> (including code of CDL generic classes) under terms of your choice,
> provided that you give prominent notice in supporting documentation to
> this code that it makes use of or is based on facilities provided by the
> Open CASCADE Technology software.
> Is this acceptable for Fedora?  Is the appropriate license tag "LGPLv2
> with exceptions"?

It is finally acceptable (after 5+ years). I was in touch with
OpenCASCADE at the end to review their exception wording, it is all
acceptable for Fedora now. The license tag is correct, go forth and package!


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