[Opensim-dev] The Overte Foundation for OpenSimulator (Justin Clark-Casey)

Thu Jun 30 22:32:52 UTC 2011

Hi Guys,

We would like to donate funds also to the Opensim Dev project. Please let me
know when this is possible. Thanks!

   Have a creative day,

Andrew Hughes
President

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On Thu, Jun 30, 2011 at 6:26 PM, Justin Clark-Casey <
jjustincc at googlemail.com> wrote:

> Thanks very much for the offer, Justin.  If it's okay, I'll let you know
> when we have a donation channel established. This might take a little while
> since we're in the holiday season at the moment and various people are away.
>
> -- Justin
>
> On 30/06/11 16:25, Justin Lyon wrote:
>
>> Justin,
>>
>> Simudyne would be willing to donate some funds to help set-up the Overte
>> Foundation. What would you need?
>>
>> Best,
>> Justin
>>
>> On 30 Jun 2011, at 13:00, opensim-dev-request at lists.**berlios.de<opensim-dev-request at lists.berlios.de>wrote:
>>
>>  Send Opensim-dev mailing list submissions to
>>>        opensim-dev at lists.berlios.de
>>>
>>> To subscribe or unsubscribe via the World Wide Web, visit
>>>        https://lists.berlios.de/**mailman/listinfo/opensim-dev<https://lists.berlios.de/mailman/listinfo/opensim-dev>
>>> or, via email, send a message with subject or body 'help' to
>>>        opensim-dev-request at lists.**berlios.de<opensim-dev-request at lists.berlios.de>
>>>
>>> You can reach the person managing the list at
>>>        opensim-dev-owner at lists.**berlios.de<opensim-dev-owner at lists.berlios.de>
>>>
>>> When replying, please edit your Subject line so it is more specific
>>> than "Re: Contents of Opensim-dev digest..."
>>>
>>>
>>> Today's Topics:
>>>
>>>   1. Re: Built libbullet shared object libraries for Linux but
>>>      this isn't what you wanted! (Justin Clark-Casey)
>>>   2. The Overte Foundation for OpenSimulator (Justin Clark-Casey)
>>>
>>>
>>> ------------------------------**------------------------------**
>>> ----------
>>>
>>> Message: 1
>>> Date: Thu, 30 Jun 2011 00:51:27 +0100
>>> From: Justin Clark-Casey<jjustincc@**googlemail.com<jjustincc at googlemail.com>
>>> >
>>> To: opensim-dev at lists.berlios.de
>>> Subject: Re: [Opensim-dev] Built libbullet shared object libraries for
>>>        Linux but this isn't what you wanted!
>>> Message-ID:<4E0BBA7F.7070206@**googlemail.com<4E0BBA7F.7070206 at googlemail.com>
>>> >
>>> Content-Type: text/plain; charset=windows-1252; format=flowed
>>>
>>> On 27/06/11 16:52, Adams, Robert wrote:
>>>
>>>> Building Bullet itself is a start. Thanks Justin.
>>>>
>>>> The makefile should be fairly straight forward as there are just the two
>>>> cpp files and one .h file with the only dependencies being on the std
>>>> library and Bullet itself. As you now know, Bullet used CMAKE for its
>>>> build/configuration tool and I don't know if there is a way to link a
>>>> BulletSim build into it (put the Bullet directory under BulletSim and do a
>>>> CMAKE which builds both together).
>>>>
>>>> I'm setting up a Linux build environment so I should be able to help
>>>> anyone working on this by next weekend. I'm doing some stress testing this
>>>> week and then I will look into linksets again -- I want to get vehicles
>>>> working.
>>>>
>>>
>>> I put in a scratch Makefile and fixed one definition issue in
>>> BulletSim.cpp.  However, on make this still brings up the
>>> errors
>>>
>>> BulletSim.cpp:38:14: error: ?gDeactivationTime? was declared ?extern? and
>>> later ?static?
>>> BulletDynamics/Dynamics/**btRigidBody.h:29:17: error: previous
>>> declaration of ?gDeactivationTime?
>>> BulletSim.cpp: In member function ?int BulletSim::PhysicsStep(**btScalar,
>>> int, btScalar, int*, EntityProperties***, int*,
>>> unsigned int**)?:
>>> BulletSim.cpp:107:79: error: cast from ?void*? to ?unsigned int? loses
>>> precision
>>> BulletSim.cpp:108:79: error: cast from ?void*? to ?unsigned int? loses
>>> precision
>>> BulletSim.cpp: In member function ?btCollisionShape*
>>> BulletSim::CreateShape(**ShapeData*)?:
>>> BulletSim.cpp:405:61: error: no matching function for call to
>>> ?BulletSim::**AdjustScaleForCollisionMargin(**btCollisionShape*&,
>>> btVector3)?
>>> BulletSim.h:469:7: note: candidate is: void BulletSim::**
>>> AdjustScaleForCollisionMargin(**btCollisionShape*, btVector3&)
>>> BulletSim.cpp:426:62: error: no matching function for call to
>>> ?BulletSim::**AdjustScaleForCollisionMargin(**btCollisionShape*&,
>>> btVector3)?
>>> BulletSim.h:469:7: note: candidate is: void BulletSim::**
>>> AdjustScaleForCollisionMargin(**btCollisionShape*, btVector3&)
>>> BulletSim.cpp:432:61: error: no matching function for call to
>>> ?BulletSim::**AdjustScaleForCollisionMargin(**btCollisionShape*&,
>>> btVector3)?
>>> BulletSim.h:469:7: note: candidate is: void BulletSim::**
>>> AdjustScaleForCollisionMargin(**btCollisionShape*, btVector3&)
>>> BulletSim.cpp: In member function ?SweepHit BulletSim::ConvexSweepTest(*
>>> *unsigned int, btVector3&, btVector3&, btScalar)?:
>>> BulletSim.cpp:1166:95: error: cast from ?void*? to ?unsigned int? loses
>>> precision
>>> BulletSim.cpp: In member function ?RaycastHit BulletSim::RayTest(unsigned
>>> int, btVector3&, btVector3&)?:
>>> BulletSim.cpp:1209:70: error: cast from ?void*? to ?unsigned int? loses
>>> precision
>>> make: *** [BulletSim.o] Error 1
>>>
>>> It's a long time since I did any significant c/cpp (and then it wasn't on
>>> Linux) so I'm not sure why this is happening.
>>>  Maybe it's gcc specific.
>>>
>>>
>>>> I was able to pull opensim-libs anonymously last week (
>>>> http://opensimulator.org/svn/**opensim-libs<http://opensimulator.org/svn/opensim-libs>).
>>>> Has it broken since then?
>>>>
>>>
>>> Thanks Robert - I was trying the wrong url.  I put the information into
>>> the wiki.
>>>
>>>
>>>> -- ra
>>>>
>>>> -----Original Message-----
>>>> From: opensim-dev-bounces at lists.**berlios.de<opensim-dev-bounces at lists.berlios.de>[mailto:
>>>> opensim-dev-bounces@**lists.berlios.de<opensim-dev-bounces at lists.berlios.de>]
>>>> On Behalf Of Justin Clark-Casey
>>>> Sent: Sunday, June 26, 2011 4:48 PM
>>>> To: opensim-dev at lists.berlios.de
>>>> Subject: [Opensim-dev] Built libbullet shared object libraries for Linux
>>>> but this isn't what you wanted!
>>>>
>>>> Hi Robert.  I briefly putzed around with building shared object Bullet
>>>> 2.78 under Linux tonight and popped the results
>>>> in as commit 23bf773 on the bulletsim branch.
>>>>
>>>> However, I just realised that you weren't asking for the bullet
>>>> libraries to be built.  What you were really asking for
>>>> in http://lists.berlios.de/**pipermail/opensim-dev/2011-**
>>>> June/010271.html<http://lists.berlios.de/pipermail/opensim-dev/2011-June/010271.html>were Linux/OSX makefiles to build your
>>>> BulletSim.dll interfacing library in the opensim-libs svn repo (for
>>>> which anonymous access is unfortunately not
>>>> currently working - this need to be fixed).
>>>>
>>>> That doesn't look too difficult but it's a little more involved for me
>>>> since it's a long time since I wrote a Makefile.
>>>>   I don't know when I might get a slice of time to do that, so I think
>>>> help from anybody else would still be very much
>>>> appreciated.
>>>>
>>>>
>>>
>>> --
>>> Justin Clark-Casey (justincc)
>>> http://justincc.org/blog
>>> http://twitter.com/justincc
>>>
>>>
>>> ------------------------------
>>>
>>> Message: 2
>>> Date: Thu, 30 Jun 2011 02:21:51 +0100
>>> From: Justin Clark-Casey<jjustincc@**googlemail.com<jjustincc at googlemail.com>
>>> >
>>> To: Opensim-users at lists.berlios.de**, opensim-dev at lists.berlios.de
>>> Subject: [Opensim-dev] The Overte Foundation for OpenSimulator
>>> Message-ID:<4E0BCFAF.5030908@**googlemail.com<4E0BCFAF.5030908 at googlemail.com>
>>> >
>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>
>>> Dear all,
>>>
>>> As I'm sure everybody on these lists is aware, OpenSimulator currently
>>> has some restrictions on who can contribute code
>>> to the project (http://opensimulator.org/**wiki/Contributions_Policy<http://opensimulator.org/wiki/Contributions_Policy>
>>> ).
>>>
>>> The most controversial of these is the one that prevents contributions
>>> from people who have studied the Linden Lab
>>> viewer within the past 6 months.
>>>
>>> This policy came about because the early core developers wanted to be
>>> very cautious when dealing with a project that was
>>> intimately intertwined with OpenSimulator through a common virtual world
>>> protocol and concept, but which was licensed
>>> under the copyleft GPL license rather than OpenSimulator's BSD license.
>>>  It was also inspired by bad, though unrelated,
>>> early experiences of unwanted inclusion of GPL code within OpenSimulator.
>>>
>>> However, this rule increasingly restricts progress and innovation.  To
>>> state the obvious, it effectively stops Linden
>>> Lab viewer and third party viewer developers from contributing to
>>> OpenSimulator and it stops OpenSimulator developers
>>> from contributing code to those viewers.
>>>
>>> We do want to do something about this.  In very broad terms, there are
>>> two choices of action.  Either we simply drop the
>>> 6 month restriction or we establish a Contributor's License Agreement
>>> (CLA) to explicitly clarify that a developer has
>>> the necessary rights to contribute the code that they're giving.
>>>
>>> Simply dropping the restriction is tempting.  However, the conditions
>>> under which it was established have not changed -
>>> the core of the Linden Lab viewer and derivatives is still under the
>>> copyleft LGPL license.  Some people think that in
>>> general such restrictions are entirely unnecessary but others think that
>>> it's a reasonable precaution in the absence of
>>> a CLA.
>>>
>>> So the other alternative is to have that CLA.  This is the route that
>>> we've started going down.  The proposal is to have
>>> a CLA by which a contributor explicitly grants a copyright license over
>>> their contributions.  Each contributor will
>>> continue to own their own code (i.e. there is no transfer of copyright).
>>>
>>> Again, there is considerable debate over CLAs, with some people seeing
>>> them as essential and others thinking that they
>>> are entirely unnecessary.  However, many open-source projects have CLAs
>>> (Apache, Django, Python, the Linden Lab viewer)
>>> so we would not be in bad company.  Having to submit a CLA might also
>>> reduce casual 'drive-by' patches, though we would
>>> make CLA submitting as easy as possible - by accepting them
>>> electronically, for instance.
>>>
>>> In order to grant a copyright license there needs to be a receiving
>>> entity.  To this end, we are in the process of
>>> setting up an organisation known as the Overte Foundation.  The Overte
>>> Foundation will receive the copyright licenses
>>> and become the official distributor of OpenSimulator rather than
>>> individual core developers.  This will put it in a good
>>> position to deal with code origin or other issues, if any should ever
>>> arise.
>>>
>>> Once the CLA is complete, the current contribution restrictions to
>>> OpenSimulator will be removed.  It will be down to
>>> each developer (including core developers) to affirm via the CLA that
>>> they have the necessary rights over the code that
>>> they are contributing.
>>>
>>> One advantage of going down the foundation route is that it will also be
>>> able to promote and support OpenSimulator in
>>> other ways, quite possibly incorporating members of the community other
>>> than just developers.  The foundation could also
>>> extend to cover other open-source virtual-environment/virtual-**world
>>> projects and components.  In the short term, though,
>>> we will be concentrating on establishing the CLA.
>>>
>>> At some point soon we would be very grateful for donations to the Overte
>>> Foundation in order to deal with some of the
>>> costs involved in setting things up and for ongoing support and promotion
>>> of OpenSimulator.  Setup costs should not be
>>> too high since Ben Esplin of Pillsbury Law is very kindly donating time
>>> and expertise (he also helped OSgrid establish
>>> their organisation).
>>>
>>> We're actually still in the process of setting up the foundation so we'll
>>> only be requesting donations once we have a
>>> bank account for them.  However, we wanted to get this out in the open
>>> now so that people know what is being proposed
>>> and so that we can get feedback.
>>>
>>> For a much shorter public statement and FAQ about these topics shorn of
>>> the historical context, please see
>>>
>>> http://opensimulator.org/wiki/**Foundation<http://opensimulator.org/wiki/Foundation>
>>> http://opensimulator.org/wiki/**Foundation_FAQ<http://opensimulator.org/wiki/Foundation_FAQ>
>>>
>>> I will be acting as the first Overte Foundation president, with Diva as
>>> treasurer, Melanie as secretary and Nebadon and
>>> Ben as initial board members.  The foundation itself will not directly
>>> control OpenSimulator development - this will
>>> remain with the OpenSimulator team and community as it does now.
>>>
>>> Discussion about this is very welcome, whether supporting or critical.
>>>  I'm logging off now so will likely answer any
>>> points tomorrow.  Of course, other core developers are very welcome to
>>> chip in.
>>>
>>> Best,
>>>
>>> --
>>> Justin Clark-Casey (justincc)
>>> http://justincc.org/blog
>>> http://twitter.com/justincc
>>>
>>>
>>> ------------------------------
>>>
>>> ______________________________**_________________
>>> Opensim-dev mailing list
>>> Opensim-dev at lists.berlios.de
>>> https://lists.berlios.de/**mailman/listinfo/opensim-dev<https://lists.berlios.de/mailman/listinfo/opensim-dev>
>>>
>>>
>>> End of Opensim-dev Digest, Vol 46, Issue 19
>>> *********************************************
>>>
>>
>> ______________________________**_________________
>> Opensim-dev mailing list
>> Opensim-dev at lists.berlios.de
>> https://lists.berlios.de/**mailman/listinfo/opensim-dev<https://lists.berlios.de/mailman/listinfo/opensim-dev>
>>
>>
>
> --
> Justin Clark-Casey (justincc)
> http://justincc.org/blog
> http://twitter.com/justincc
> ______________________________**_________________
> Opensim-dev mailing list
> Opensim-dev at lists.berlios.de
> https://lists.berlios.de/**mailman/listinfo/opensim-dev<https://lists.berlios.de/mailman/listinfo/opensim-dev>
>
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