OVMS3-idf/docs/en/get-started/linux-setup.rst

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Standard Setup of Toolchain for Linux
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:link_to_translation:`zh_CN:[中文]`
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Install Prerequisites
=====================
To compile with ESP-IDF you need to get the following packages:
- CentOS 7::
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sudo yum install git wget flex bison gperf python cmake ninja-build ccache
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- Ubuntu and Debian::
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sudo apt-get install git wget flex bison gperf python python-pip python-setuptools cmake ninja-build ccache libffi-dev libssl-dev
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- Arch::
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sudo pacman -S --needed gcc git make flex bison gperf python-pip cmake ninja ccache
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.. note::
CMake version 3.5 or newer is required for use with ESP-IDF. Older Linux distributions may require updating, enabling of a "backports" repository, or installing of a "cmake3" package rather than "cmake".
Additional Tips
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===============
Permission issues /dev/ttyUSB0
------------------------------
With some Linux distributions you may get the ``Failed to open port /dev/ttyUSB0`` error message when flashing the {IDF_TARGET_NAME}. :ref:`This can be solved by adding the current user to the dialout group<linux-dialout-group>`.
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Setting up Python 3 as default for Ubuntu and Debian
----------------------------------------------------
Ubuntu and Debian are still providing Python 2.7 as the default interpreter. Python 3 can be installed as follows::
sudo apt-get install python3 python3-pip python3-setuptools
Making Python 3 the default interpreter is possible by running::
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 10
.. note::
This is system-wide change which may affect all of the applications.
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Next Steps
==========
To carry on with development environment setup, proceed to :ref:`get-started-get-esp-idf`.
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Related Documents
=================
.. toctree::
:maxdepth: 1
:esp32: linux-setup-scratch
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.. _AUR: https://wiki.archlinux.org/index.php/Arch_User_Repository