zephyr/doc/LICENSING.rst

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.. _zephyr_licensing:
Licensing of Zephyr Project components
######################################
The Zephyr kernel tree imports or reuses packages, scripts and other files that
are not covered by the `Apache 2.0 License`_. In some places
there is no LICENSE file or way to put a LICENSE file there, so we describe the
licensing in this document.
.. _Apache 2.0 License:
https://github.com/zephyrproject-rtos/zephyr/blob/master/LICENSE
.. _GPLv2 License:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/COPYING
*scripts/{checkpatch.pl,checkstack.pl,get_maintainers.pl,spelling.txt}*
*Origin:* Linux Kernel
*Licensing:* `GPLv2 License`_
*ext/hal/cmsis/*
*Origin:* https://github.com/ARM-software/CMSIS_5.git
*Licensing*: Apache 2.0 (see `ext/hal/cmsis source`_)
.. _ext/hal/cmsis source:
https://github.com/zephyrproject-rtos/zephyr/blob/master/ext/hal/cmsis/Include/cmsis_version.h