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65 lines
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Standard Setup of Toolchain for Linux
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*********************************************
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:link_to_translation:`zh_CN:[中文]`
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Install Prerequisites
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=====================
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To compile with ESP-IDF you need to get the following packages:
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- CentOS 7::
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sudo yum install git wget flex bison gperf python cmake ninja-build ccache dfu-util
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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 dfu-util
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- Arch::
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sudo pacman -S --needed gcc git make flex bison gperf python-pip cmake ninja ccache dfu-util
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.. note::
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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".
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Additional Tips
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===============
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Permission issues /dev/ttyUSB0
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------------------------------
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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
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----------------------------------------------------
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Ubuntu and Debian are still providing Python 2.7 as the default interpreter but some required packages may be missing for newer distributions. Python 3 is recommended and can be installed as follows::
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sudo apt-get install python3 python3-pip python3-setuptools
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Making Python 3 the default interpreter is possible by running::
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sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 10
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.. note::
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This is system-wide change which may affect all of the applications.
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Next Steps
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==========
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To carry on with development environment setup, proceed to :ref:`get-started-get-esp-idf`.
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Related Documents
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=================
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.. toctree::
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:maxdepth: 1
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:esp32: linux-setup-scratch
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.. _AUR: https://wiki.archlinux.org/index.php/Arch_User_Repository
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