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Setup Linux Toolchain from Scratch
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:link_to_translation:`zh_CN:[中文]`
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.. note ::
Standard process for installing the toolchain is described :doc: `here <linux-setup>` . See :ref: `Customized Setup of Toolchain <get-started-customized-setup>` section for some of the reasons why installing the toolchain from scratch may be necessary.
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Install Prerequisites
=====================
To compile with ESP-IDF you need to get the following packages:
- Ubuntu and Debian::
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sudo apt-get install gcc git wget make libncurses-dev flex bison gperf python python-pip python-setuptools python-serial python-cryptography python-future python-pyparsing python-pyelftools
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- Arch::
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sudo pacman -S --needed gcc git make ncurses flex bison gperf python2-pyserial python2-cryptography python2-future python2-pyparsing python2-pyelftools
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.. note ::
Some older (pre-2014) Linux distributions may use `` pyserial `` version 2.x which is not supported by ESP-IDF.
In this case please install a supported version via `` pip `` as it is described in section
:ref: `get-started-get-packages` .
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Compile the Toolchain from Source
=================================
- Install dependencies:
- CentOS 7::
sudo yum install gawk gperf grep gettext ncurses-devel python python-devel automake bison flex texinfo help2man libtool
- Ubuntu pre-16.04::
sudo apt-get install gawk gperf grep gettext libncurses-dev python python-dev automake bison flex texinfo help2man libtool
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- Ubuntu 16.04 or newer::
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sudo apt-get install gawk gperf grep gettext python python-dev automake bison flex texinfo help2man libtool libtool-bin
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- Debian 9::
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sudo apt-get install gawk gperf grep gettext libncurses-dev python python-dev automake bison flex texinfo help2man libtool libtool-bin
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- Arch::
TODO
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Create the working directory and go into it::
mkdir -p ~/esp
cd ~/esp
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Download `` crosstool-NG `` and build it:
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.. include :: /_build/inc/scratch-build-code.inc
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Build the toolchain::
./ct-ng xtensa-esp32-elf
./ct-ng build
chmod -R u+w builds/xtensa-esp32-elf
Toolchain will be built in `` ~/esp/crosstool-NG/builds/xtensa-esp32-elf `` . Follow :ref: `instructions for standard setup <setup-linux-toolchain-add-it-to-path>` to add the toolchain to your `` PATH `` .
Next Steps
==========
To carry on with development environment setup, proceed to section :ref: `get-started-get-esp-idf` .
