The docs on the Boost license say as much as well, and derive from legal 
consult. I must say that after reading this I felt a lot better about the 
headers I've implemented. 

Sent from my iPhone

On Jul 9, 2011, at 1:56 AM, Mike Parker <aldac...@gmail.com> wrote:

> On 7/9/2011 5:43 AM, Steven Schveighoffer wrote:
>> On Fri, 08 Jul 2011 16:02:39 -0400, Johannes Pfau <s...@example.com> wrote:
>> 
>>> Steven Schveighoffer wrote:
>>>> On Fri, 08 Jul 2011 15:39:22 -0400, Johannes Pfau <s...@example.com>
>>>> wrote:
>>>> 
>>>>> Andrej Mitrovic wrote:
>>>>>> What's the license on the bindings?
>>>>> 
>>>>> Have not thought about that yet, but I think I'll use the boost
>>>>> license. (I'm not sure if that's possible, as
>>>>> cairo is LGPL, maybe I'll have to release the binding part at least
>>>>> as LGPL, as that's based on the cairo headers? Stupid licensing
>>>>> stuff... )
>>>>> 
>>>> 
>>>> I'm not a lawyer, but I think LGPL just covers the library code, not
>>>> the bindings, as long as the link is dynamic. In other words, LGPL
>>>> specifically allows dynamically linking with any license, as long as
>>>> the library remains LGPL.
>>>> 
>>>> For reference, the C standard library (which phobos uses extensively)
>>>> is LGPL on Linux (glibc).
>>>> 
>>>> -Steve
>>> 
>>> True, but in this case the bindings were translated from the cairo c
>>> headers. I wasn't sure if the bindings could be considered a derivate
>>> work.
>> 
>> Well, if we look at this logically -- if the C headers contain so much
>> code that using them would require releasing your software under LGPL,
>> then why even use LGPL? The only point for using LGPL is to allow other
>> licensed code to use your library, yet still have your library be under
>> the GPL. If linking a C application using the C headers doesn't require
>> GPL'ing your code (or LGPL'ing), then I can't see how a translation of
>> them would require it.
>> 
>> But almost certainly a translation of the headers is a derived work, so
>> the bindings themselves should have the same license as the headers
>> (LGPL). I think this should cause no problems with linking proprietary
>> code. I don't think it would qualify as a phobos module though.
>> 
> 
> A few years back I was concerned about this same issue with my SDL bindings 
> in Derelict. SDL was licensed under the LGPL. So I posted a question to the 
> SDL mailing list. The maintainer, Sam Lantinga, answered thus:
> 
> "The API is not copyrighted, only the SDL implementation is.  I would 
> consider this a work that uses the library, rather than a derivative work.  
> You'll notice that using inline functions in LGPL headers, which technically 
> places code from those headers in your object code, also does not change your 
> work into a derivative work - it remains a work that uses the library."
> 
> That reinforced my own understanding. So for years now the license for 
> Derelict's bindings has usually been different from the C libraries. That's 
> especially true for Derelict 2, which is licensed under Boost.
> 
> Realistically, I'd like to release Derelict with no license at all. I'm not 
> sure exactly what it is I'm licensing. The lion's share of original code in 
> the project is in the utility package. The bindings themselves generally have 
> very little non-interface code, just what's required to implement the loader. 
> But I've learned that people get nervous when there's no license attached to 
> a library. So Boost it is.

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