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eng: add Apache License 2.0 restriction

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Karel Gardas 2023-07-26 12:28:02 +02:00
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commit ded73ef7c9
1 changed files with 25 additions and 1 deletions
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eng/license-requirements.rst
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@ -98,9 +98,33 @@ these guidelines:
* Advertising obligations are not acceptable. * Advertising obligations are not acceptable.
* Some license restrictions may be permissible. These will be considered * Some license restrictions may be permissible. These will be considered
on a case-by-case basis. on a case-by-case basis. See below for a list of such restrictions.
In practice, these guidelines are not hard to follow. Critically, In practice, these guidelines are not hard to follow. Critically,
they protect the freedom of the RTEMS source code and that of end users they protect the freedom of the RTEMS source code and that of end users
to select the license and distribution terms they prefer for their to select the license and distribution terms they prefer for their
RTEMS-based application. RTEMS-based application.
License restrictions
--------------------
* Apache License 2.0 in section 4 (b) requires modified files to carry
prominent notice about performed modification. In case you modify such
file and the notice is not there yet you are required to put notice
below at the top of the modified file. If the notice is already
there you don't need to add it second time.
The notice should look:
.. code-block:: c
/*
* The file was modified by RTEMS contributors.
*/
.. warning:: Do not import any project or files covered by the Apache
License 2.0 into the RTEMS project source tree without
discussing first with developers on the mailing list!
Handling of Apache License 2.0 projects is a bit
sensitive manner and RTEMS project is not prepared to
handle one kind of those projects yet. E.g. the projects
with NOTICE file present in the source tree.