Hi,
On 01/15/2013 21:24, Thomas Girard wrote:
>> the following license conditions (from 6.1.2-1's d/copyright) look quite
>> non-free as they restrict how the program may be modified:
>
> I assume you are referring to DFSG#3 here? Or DFSG#1?
I mean DFSG#3.
>> ----
>> [...] You
>> may copy and extend functionality (but may not remove functionality)
>> of the Interface Definition Language CFE without charge, but you are
>> not authorized to license or distribute it to anyone else except as
>> part of a product or program developed by you or with the express
>> written consent of Sun Microsystems, Inc. ("Sun").
>> ----
>
> My reading of the text above is that it's possible to license or
> distribute IDL CFE to anyone if:
>
> - the licensee has express written consent of Sun Microsystems, Inc.
> ("Sun"); or
> - it's part of a product or program developed by the licensee
>
> While first condition is impossible to meet, the second one looks
> similar (to me) to DFSG#1.
>
> But maybe the issue here is the /but may not remove functionality/
> sentence?
Yes. I believe that is a non-free restriction: I want to be able to
remove functionality if I don't like it (say it is an antifeature[1]).
[1] <http://www.fsf.org/bulletin/2007/fall/antifeatures/>
>> ----
>> You may copy, modify, distribute, or sublicense the LICENSED PRODUCT
>> without charge as part of a product or software program developed by
>> you, so long as you preserve the functionality of interoperating with
>> the Object Management Group's "Internet Inter-ORB Protocol" version
>> one. However, any uses other than the foregoing uses shall require
>> the express written consent of Sun Microsystems, Inc.
>> ----
>
> Likewise, I don't see what's wrong here, except maybe for /so long as
> you preserve the functionality of interoperating with the Object
> Management Group's "Internet Inter-ORB Protocol"/
>
> Is this the part that triggered this bug report?
It's the restriction how one may modify it. For example I am not allowed
to implement a modified protocol (or a newer version) if that
means it would no longer be compatible to the version one. Or to use
parts of the code to implement something totally different.
Ansgar
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