Re: [riot-devel] LGPL compliance testing

2015-02-11 Thread Matthias Waehlisch
Hi Kaspar,

On Tue, 10 Feb 2015, Kaspar Schleiser wrote:

 (3) Fine-grained object archives: Having separate object archives that
  reflect RIOT modules is the key idea of the approach. Two questions
  remain: (a) Which types of applications can someone create without
  affecting the core (i.e., other .a-files) of the OS. (b) What is the
  core of the OS?
 Actually, the *archives* don't really matter. The linker extracts all archives
 and only considers contained .o files for linking.
 
 That the application objects are conveniently archived into one .a file that
 can be easily used for this license verification is just a by-product.
 
  OK.

 (a) Usually the core .a files are searched before the application .a.
 That way, even if a developer accidently overwrites symbols (e.g., functions
 or variables) that should have been supplied by RIOT, the linker would
 probably just ignore it. Have to try that.
 
 So in theory, developers shouldn't be able to affect the system .a's files.
 And I can't think of anything that might do so by accident, when a developer
 *wants* to be LGPL compliant, just writes an application, maybe adds a
 proprietary driver but otherwise behaves regarding build system
 manipulation.
 
  I think that was a misunderstanding. I was more asking about the 
realm of applications. The counter-arguments we had in the LGPL 
discussion were not primarily can we proof LGPL compliance but more 
can we build reasonable, proprietary IoT applications without 
violating LGPL compliance.

 There are probably a million ways to sneak in modified RIOT code and still
 have a valid verification using our method here.
 So even if the verification passes, that alone is not proof that LGPL hasn't
 been violated.
 
  From a legal perspective it then seems worthless.


  To be honest: I like the idea from an exercise point of view but I 
don't see how this approach can help us wrt the license discussion. 



Cheers
  matthias

-- 
Matthias Waehlisch
.  Freie Universitaet Berlin, Inst. fuer Informatik, AG CST
.  Takustr. 9, D-14195 Berlin, Germany
.. mailto:waehli...@ieee.org .. http://www.inf.fu-berlin.de/~waehl
:. Also: http://inet.cpt.haw-hamburg.de .. http://www.link-lab.net
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[riot-devel] OTA meetup 11.2.2015

2015-02-11 Thread Arvid Picciani
Hi,

by popular demand, we will be meeting this Friday at 19:00 at the kiwi.ki office

KIWI.KI GmbH
Lehrter str. 17
10557 Berlin, DE

as well as online over appear.in or google hangouts (whatever i can get 
working).

Attached are the slides i will be presenting for about 15minutes.
Feel free to bring your own slides or notes. Especially for topics not covered 
by me.

see ya there!

best,
Arvid



 

RIOT OTA (1).pdf
Description: Adobe PDF document
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Re: [riot-devel] Meeting 11/02/2015

2015-02-11 Thread Baptiste Clenet
Yes Emmanuel, I'm going there with Maxence because this is our school :-)

I let you and the other maintainers decide about the next meeting.

Cheers,


2015-02-11 10:27 GMT+01:00 Emmanuel Baccelli emmanuel.bacce...@inria.fr:

 Hi Baptiste,

 the only RIOTer I'm sure is going to be at Sensornet is Kévin ;)
 Are you going?

 Concerning the next meeting, let's decide early next week if we do it next
 Wednesday or in 2 weeks?

 Best,

 Emmanuel



 On Wed, Feb 11, 2015 at 10:11 AM, Baptiste Clenet bapcle...@gmail.com
 wrote:

 Ok, thank you Emmanuel.
 Will it be posponed to next week or in two weeks as usual?

 Btw, does any of RIOTers goes to Sensornet 2015 in Angers this afternoon?
 There is a conference about RIOT from 5:15 to 6:45
 RIOT OS Paves the Way for Implementation of High-performance MAC
 Protocols
 By Kévin Roussel, Ye-Qiong Song and Olivier Zendra



 2015-02-11 10:05 GMT+01:00 Emmanuel Baccelli emmanuel.bacce...@inria.fr
 :

 Hi Baptiste,
 I don't think there is a meeting today. Last week was heavy with the
 network stack task force workshop, so if I understood correctly, this
 week's meeting is cancelled.
 Best,
 Emmanuel

 On Wed, Feb 11, 2015 at 9:56 AM, Baptiste Clenet bapcle...@gmail.com
 wrote:

 Hi,

 Is there a meeting today?
 Could you provide the PlaceCam link of it (10am today)?

 Cheers,

 --
 *Clenet Baptiste*

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 *Élève-Ingénieur ESEO Angers, dernière année, spécialisation: Architecte
 système temps réél embarqué*


 *Bidiplôme Master Robotics à l'Université de Plymouth en 2013-2014*

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[riot-devel] Meeting 11/02/2015

2015-02-11 Thread Baptiste Clenet
Hi,

Is there a meeting today?
Could you provide the PlaceCam link of it (10am today)?

Cheers,

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*Clenet Baptiste*
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Re: [riot-devel] Meeting 11/02/2015

2015-02-11 Thread Emmanuel Baccelli
Hi Baptiste,
I don't think there is a meeting today. Last week was heavy with the
network stack task force workshop, so if I understood correctly, this
week's meeting is cancelled.
Best,
Emmanuel

On Wed, Feb 11, 2015 at 9:56 AM, Baptiste Clenet bapcle...@gmail.com
wrote:

 Hi,

 Is there a meeting today?
 Could you provide the PlaceCam link of it (10am today)?

 Cheers,

 --
 *Clenet Baptiste*

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Re: [riot-devel] Meeting 11/02/2015

2015-02-11 Thread Ludwig Ortmann
Hi Baptiste,

in theory yes, in practice I am unable to contact one of the persons
who can host the session.

The link however is always the same.

Cheers, Ludwig

On Wed, Feb 11, 2015 at 09:56:58AM +0100, Baptiste Clenet wrote:
 Hi,
 
 Is there a meeting today?
 Could you provide the PlaceCam link of it (10am today)?
 
 Cheers,
 
 -- 
 *Clenet Baptiste*

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