[Mono-list] Embedding mono runtime

Ian Norton inorton at gmail.com
Mon Mar 10 23:39:57 UTC 2014

oh sorry, I keep doing this.. I just described LGPL *not* GPL2.
On 10 Mar 2014 23:37, "Ian Norton" <inorton at gmail.com> wrote:

> as far as I am aware it is apple's deployment model that means you can't
> ship and give your end users the means to replace mono.
> under GPL2, technically if you give away linkable objects that allow
> someone to rebuild (relink) your app and replace any GPL2 parts you can use
> the GPL2 license. That is very difficult to get right on android and harder
> with the iOS tool chain since you actually have to pay for it.
> If you wish to statically link in mono and want to distribute your
> binaries without source or the means to 100% replace mono then you will
> need the commercial license.
> On 10 Mar 2014 22:27, "jacanosalado" <jacanosalado at gmail.com> wrote:
>> Hi there!
>> I'm working on a project that is going to use the mono runtime
>> (libmonosgen/libmonoboehm) embedded inside an Android and iOS app.
>> I have some doubts related to the mono runtime license limitations on
>> embedded systems. So, I'm going to describe my project and ask you guys
>> some
>> questions.
>> I've embedded a mono dll as well as a custom version of the mono runtime
>> as
>> a binary file, statically compiled and linked to my Android and iOS app.
>> On Android, I'll be jitting the mono dll when the app runs and then
>> invoking
>> some managed methods from my mono dll.
>> On iOS, I'll be aot-ing my mono dll and then invoking some managed methods
>> when the app runs (the same procedure I use on Android).
>> It seems like the mono runtime is using GNU Library GPL 2.0 and Xamarin is
>> holding the rights to license it on embedded systems like Android and iOS.
>> I want to know if I'll be complying with the terms of the GNU Library GPL
>> 2.0 if I use the mono runtime inside my Android/iOS app the way I
>> described
>> above.
>> What about freely distributing and selling my app with this approach? Are
>> we
>> allowed to do it under the GNU Library GPL 2.0.
>> Do I need special licenses from Xamarin in order to publish my app in
>> Google
>> Play or App Store?
>> I've already considered using Xamarin.Android and Xamarin.iOS but, for
>> this
>> project, I prefer to create me own native library in C/C++ for Android and
>> iOS and my custom trampoline code in order to have fine-grained control
>> over
>> garbage collections, trampoline code (intermediate C code between C world
>> mono world) and probably debugging and profiling.
>> I think this is a good place to ask for this technical questions that
>> aren't
>> completely solved here: http://www.mono-project.com/FAQ:_Licensing
>> In case my project doesn't comply with the terms of the GNU Library GPL
>> 2.0,
>> it would be great if someone could help me to find out more details of the
>> "Ultimate Edition" license Xamarin is offering, as stated in the mono
>> project licensing faq I have already referenced here:
>> "Mono is available to be licensed commercially if the LGPL/GPL/X11
>> combination is not suitable for you. Xamarin offers commercial licensing
>> options to redistribute Mono under non-LGPL terms. If your organization
>> intends to redistribute software which embeds or bundles Mono, but is
>> unable
>> to comply with the terms of GNU LGPL v2, the Ultimate Edition may be right
>> for you."
>> Thanks in advance!
>> --
>> View this message in context:
>> http://mono.1490590.n4.nabble.com/Embedding-mono-runtime-tp4662200.html
>> Sent from the Mono - General mailing list archive at Nabble.com.
>> _______________________________________________
>> Mono-list maillist  -  Mono-list at lists.ximian.com
>> http://lists.ximian.com/mailman/listinfo/mono-list
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ximian.com/pipermail/mono-list/attachments/20140310/184c662e/attachment.html>

More information about the Mono-list mailing list