Any chance to call Tango as Extended Standard Library

Sean Kelly sean at invisibleduck.org
Tue Jan 20 08:05:08 PST 2009


Steven Schveighoffer wrote:
> "Don" wrote
>> Bill Baxter wrote:
>>> On Tue, Jan 20, 2009 at 3:00 PM, Don <nospam at nospam.com> wrote:
>>>> Steven Schveighoffer wrote:
>>>>> Let's not forget the licensing issues.  Tango is incompatible with some
>>>>> developers license wise, as you must include attribution for Tango in 
>>>>> any
>>>>> derivative works (i.e. compiled binaries).
>>>> Are you sure? Where is that written down? I can't find that anywhere in 
>>>> the
>>>> Tango license.
>>> Probably this:
>>>
>>> 6. Attribution Rights. You must retain, in the Source Code of any
>>> Derivative Works that You create, all copyright, patent, or trademark
>>> notices from the Source Code of the Original Work, as well as any
>>> notices of licensing and any descriptive text identified therein as an
>>> "Attribution Notice." You must cause the Source Code for any
>>> Derivative Works that You create to carry a prominent Attribution
>>> Notice reasonably calculated to inform recipients that You have
>>> modified the Original Work.
>>>
>>> I think it's just saying you can't remove stuff from the source code
>>> that says who wrote it.  But it's got a thick legal accent that's a
>>> little difficult to understand.
>> Yes, it explicitly states that it's source code-only requirement.
>> Perhaps the page should include an approximate explanation, to remove 
>> confusion
> 
> I'm not a lawyer, but I think that the artistic license requires source 
> redistribution (I agree the license is difficult to comprehend), whereas the 
> BSD style license requires attribution with binaries.  So either way, you 
> must provide attribution.  Some companies may frown upon that, especially 
> when we're talking about a standard library.

I've read the BSD license very carefully and I think it only requires 
attribution with binary distributions of the library, not apps written 
with the library.  If I'm wrong I'd love to know, because druntime is 
currently BSD licensed (something I've been meaning to reconsider).


Sean



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