Re: [lwip-users] CyaSSL 2.2.0 Released

[bernard]

Thank Sylvain,

That is:
RT-Thread RTOS (GPLv2)
Application (GPLv2, PIC ELF) #1 + CyaSSL like (GPLv2)
Application (close source, PIC ELF) #2

It's little like:
Linux Kernel (GPLv2) + some Applications(GPLv2) + some Applications
(close source)

But the application is not like Linux application, which uses system
call to invoke system function in Linux. RT-Thread application will be
dynamically linked with system APIs and invoke system function
directly.

Because RT-Thread supports applications, there is an Arduino like
board: ART, which has STM32F4 MCU and will use this mechanism to run
applications. There are also a WIFI shield, therefore, lwIP will be
used in ART board.




Regards,
Bernard Xiong
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
RT-Thread - An open source RTOS from China.
http://en.rt-thread.org
http://www.rt-thread.org
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

2012/5/24 Sylvain Rochet <address@hidden>:
> Hi Bernard,
>
> On Thu, May 24, 2012 at 01:21:29PM +0800, bernard wrote:
>>
>> NOTE: RT-Thread Application will be dynamic linked when running.
>
> Basically:
>
> .o(GPL) + .o(BSD) => GPL          (i.e. GPL source code compiled with BSD
>                                   source code)
>
> .so(GPL) + .o(BSD) => GPL         (i.e. BSD software using a GPL library)
>
> .so(LGPL) + .o(BSD) => BSD + GPL  (i.e. BSD software using a LGPL library)
>
> ELF(GPL) + ELF(BSD) => BSD + GPL  (i.e. 2 heavy processes communicating
>                                   through IPC, unix socket, TCP)
>
> Sylvain
>
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