127 lines
4.0 KiB
ReStructuredText
127 lines
4.0 KiB
ReStructuredText
.. _third_party_x_compilers:
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3rd Party Toolchains
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####################
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A "3rd party toolchain" is an officially supported toolchain provided by an
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external organization. Several of these are available.
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GNU ARM Embedded
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****************
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#. Download and install a `GNU ARM Embedded`_ build for your operating system
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and extract it on your file system.
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.. warning::
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Do not install the toolchain into a path with spaces. On
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Windows, we'll assume you install into the directory
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:file:`C:\\gnu_arm_embedded`.
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.. warning::
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The GNU ARM Embedded Toolchain for Windows, version **8-2018-q4-major**
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has a `critical bug <https://github.com/zephyrproject-rtos/zephyr/issues/12257>`_
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and should not be used. Toolchain version **7-2018-q2-update** is known to work.
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#. Configure the environment variables needed to inform the Zephyr build system
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to use this toolchain:
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- Set :envvar:`ZEPHYR_TOOLCHAIN_VARIANT` to ``gnuarmemb``.
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- Set :envvar:`GNUARMEMB_TOOLCHAIN_PATH` to the toolchain installation
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directory.
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For example:
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.. code-block:: console
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# Linux or macOS
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export ZEPHYR_TOOLCHAIN_VARIANT=gnuarmemb
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export GNUARMEMB_TOOLCHAIN_PATH="~/gnu_arm_embedded"
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# Windows in cmd.exe
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set ZEPHYR_TOOLCHAIN_VARIANT=gnuarmemb
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set GNUARMEMB_TOOLCHAIN_PATH=C:\gnu_arm_embedded
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Intel ISSM
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**********
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.. note::
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The ISSM toolset only supports development for Intel |reg| Quark |trade|
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Microcontrollers, for example, the Arduino 101 board. (Check out the
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"Zephyr Development Environment
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Setup" in this `Getting Started on Arduino 101 with ISSM`_ document.)
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Additional setup is required to use the ISSM GUI for development.
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#. Install the ISSM toolchain by downloading it from the Intel Developer Zone's
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`ISSM Toolchain`_ downloads page, then extracting the archive somewhere on
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your system.
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.. warning::
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Like the Zephyr repository, do not install the toolchain in a directory
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with spaces anywhere in the path.
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#. Configure the environment variables needed to inform the Zephyr build system
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to use this toolchain:
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- Set :envvar:`ZEPHYR_TOOLCHAIN_VARIANT` to ``issm``.
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- Set :envvar:`ISSM_INSTALLATION_PATH` to the directory containing the
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extracted files.
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For example:
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.. code-block:: console
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# Linux
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export ZEPHYR_TOOLCHAIN_VARIANT=issm
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export ISSM_INSTALLATION_PATH=/home/you/Downloads/issm0-toolchain-windows-2017-02-07
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# Windows in cmd.exe
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set ZEPHYR_TOOLCHAIN_VARIANT=issm
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set ISSM_INSTALLATION_PATH=c:\issm0-toolchain-windows-2017-01-25
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.. _xtools_x_compilers:
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Crosstool-NG
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************
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You can build toolchains from source code using crosstool-NG.
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#. Follow the steps on the crosstool-NG website to `prepare your host
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<http://crosstool-ng.github.io/docs/os-setup/>`_.
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#. Follow the `Zephyr SDK with Crosstool NG instructions
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<https://github.com/zephyrproject-rtos/sdk-ng/blob/master/README.md>`_ to
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build your toolchain. Repeat as necessary to build toolchains for multiple
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target architectures.
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You will need to clone the ``sdk-ng`` repo and run the following command:
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.. code-block:: console
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./go.sh <arch>
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.. note::
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Currently, only i586 and Arm toolchain builds are verified.
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#. Configure the environment variables needed to inform the Zephyr build system
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to use this toolchain:
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- Set :envvar:`ZEPHYR_TOOLCHAIN_VARIANT` to ``xtools``.
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- Set :envvar:`XTOOLS_TOOLCHAIN_PATH` to the toolchain build directory.
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For example:
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.. code-block:: console
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export ZEPHYR_TOOLCHAIN_VARIANT=xtools
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export XTOOLS_TOOLCHAIN_PATH=/Volumes/CrossToolNGNew/build/output/
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.. _GNU ARM Embedded: https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
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.. _ISSM Toolchain: https://software.intel.com/en-us/articles/issm-toolchain-only-download
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.. _Getting Started on Arduino 101 with ISSM: https://software.intel.com/en-us/articles/getting-started-arduino-101genuino-101-with-intel-system-studio-for-microcontrollers
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.. _crosstool-ng site: http://crosstool-ng.org
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