[Development] Is it possible to submit my Qt application for iOS to Apple App Store?
Pavel Mogilevskiy
pmogilevskiy at gmail.com
Sat Jul 5 07:53:05 CEST 2014
Got it! Thanks!
On 7/5/2014 2:02 AM, Jake Petroules wrote:
> On 2014-07-04, at 06:45 PM, Pavel Mogilevskiy <pmogilevskiy at gmail.com
> <mailto:pmogilevskiy at gmail.com>> wrote:
>
>> Looks like Qt 5 for iOS uses static linking. But I have commercial,
>> closed source application. I don't want to provide source code,
>> object files, etc.
>> If I got this right, I can't use LGPL version of Qt for iOS
>> development and I need to by commercial one. Right?
>>
>> Are there any exceptions in LGPL license of Qt for iOS development
>> that allows us to use static linking?
>> --
>> Best regards,
>> Pavel Mogilevskiy mailto:pmogilevskiy at gmail.com
>
> You do NOT need to provide source code with LGPL and static linking.
> You only need to provide the ability to re-link (i.e. object files)
> with a different copy of said LGPL licensed code (Qt). There are no
> special exemptions provided by Digia regarding this, so if you don't
> want to provide the object files as required, then yes you will need
> to purchase a commercial license.
>
> Keep in mind that object files are not source code. There is no harm
> that can be done to your IP by providing them as required by the
> license. If someone really wants to reverse engineer your application
> or otherwise compromise or illegally redistribute it, there is nothing
> you can do to stop them on a technical level. Copyright laws provide
> all the protection you need. If someone attempts to redistribute your
> IP without permission (keep in mind that if your application becomes
> popular this will happen no matter what you do), simply issue a
> takedown notice or file a lawsuit as appropriate.
>
> In any case, starting later this year you won't need to use static
> linking on iOS anyways. That said, there are additional benefits to a
> Qt commercial license which you can read about on Digia's website.
>
> Disclaimer: I am not a lawyer and this is not legal advice. Please
> contact a qualified legal professional for more information if necessary.
> --
> Jake Petroules - jake.petroules at petroules.com <http://petroules.com>
> Chief Technology Officer - Petroules Corporation
--
Best regards,
Pavel Mogilevskiy mailto:pmogilevskiy at gmail.com
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