Re: [Xenomai-help] Commercial use of Xenomai

[Jan Kiszka <kiszka@domain.hid>]

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Rosenow, Jim wrote:
> First let me start by saying I apologize if xenomai-help is the wrong
> list, I found a xenomai-main which I though more likely the correct list
> but it has had no activity.

It's perfectly ok to ask here.

> 
> I had been following fusion for some time with an eye toward the
> possibility of commercial use due to it being user-space real-time and
> thus more likely to allow protection of intellectual property.  I'm
> pleased to see a continuation of fusion in the Xenomai project.
> 
> I've searched the archives for license details and have only found
> reference to GPL V2.
> 
> My primary question is if a user space Xenomai real-time application is
> considered a derivate work and thus is subject to be GPL'd?
> 

Take a closer look at the license headers of the userspace library
source code: it's LGPL, thus you may link closed-source against it.

Actually, this option is one of our motivations to move from RTAI kernel
space(*) to Xenomai userspace with our real-time robotic applications.
Also universities like to sell some of their software from time to time. :)

Jan


(*) Yes, I know that there is LXRT, but this had some stability and
design issues since recently.


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