[PATCH] doxygen: Replace main page

[Chris Johns]

On 26/7/2023 3:50 pm, Sebastian Huber wrote:
> Replace the main page with a high level description of the RTEMS feature
> set similar to:
> 
> https://docs.rtems.org/branches/master/user/overview/index.html#features
> 
> The replaced content can be found in the RTEMS Classic API Guide:
> 

This makes sense.

> + * The Real-Time Executive for Multiprocessor Systems (RTEMS) is a
> + * multi-threaded, single address-space, real-time operating system with no
> + * kernel-space/user-space separation.  It is capable to operate in an SMP
> + * configuration providing a state of the art feature set.
> + *
> + * RTEMS is licensed under a [modified GPL 2.0 or later license with an
> + * exception for static linking](https://git.rtems.org/rtems/tree/LICENSE>).
> + * It exposes no license requirements on application code.  The third-party
> + * software used and distributed by RTEMS which may be linked to the
> + * application is licensed under permissive open source licenses.  Everything
> + * necessary to build RTEMS applications is available as open source software.
> + * This makes you completely vendor independent.
> + *
> + * The goal is to use the [BSD 2-Clause
> + * license](https://git.rtems.org/rtems/tree/LICENSE.BSD-2-Clause) for new code
> + * or code those copyright holder agreed to a license change, see
> + * [#3053](https://devel.rtems.org/ticket/3053) for the details.

Why all this detail about the licenses here?

I think it complicates things by adding another place it is mentioned. A list of
licences or a comment on how to determine the licenses yes.

I would have though we are now mostly BSD with some places still GLP+exception.

Chris