2023f850de
Latest versions of apt-get don't install as much packages by default as older ones. This fix adds some missing packages discovered for an OS derived from the latest stable Debian. These packages exist for older Debian derivatives as well (tested with Ubuntu 16.04 LTS). Closes https://github.com/espressif/esp-idf/issues/4480
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Setup Linux Toolchain from Scratch
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.. note::
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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
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=====================
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To compile with ESP-IDF you need to get the following packages:
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- 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 libffi-dev libssl-dev
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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
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.. note::
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Some older (pre-2014) Linux distributions may use ``pyserial`` version 2.x which is not supported by ESP-IDF.
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In this case please install a supported version via ``pip`` as it is described in section
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:ref:`get-started-get-packages`.
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Compile the Toolchain from Source
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=================================
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- Install dependencies:
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- CentOS 7::
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sudo yum install gawk gperf grep gettext ncurses-devel python python-devel automake bison flex texinfo help2man libtool
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- Ubuntu pre-16.04::
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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::
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TODO
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Create the working directory and go into it::
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mkdir -p ~/esp
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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::
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./ct-ng xtensa-esp32-elf
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./ct-ng build
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chmod -R u+w builds/xtensa-esp32-elf
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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``.
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Next Steps
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==========
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To carry on with development environment setup, proceed to section :ref:`get-started-get-esp-idf`.
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