zephyr/doc/getting_started/toolchain_3rd_party_x_compi...

127 lines
4.0 KiB
ReStructuredText

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