5eb452f72e
On some systems pip and setuptools are no longer installed as dependencies of the python packages. This commit adds the requirement for these packages.
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Setup Linux Toolchain from Scratch (CMake)
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.. include:: ../cmake-warning.rst
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The following instructions are alternative to downloading binary toolchain from Espressif website. To quickly setup the binary toolchain, instead of compiling it yourself, backup and proceed to section :doc:`linux-setup`.
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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 ncurses-devel flex bison gperf python pyserial cmake ninja-build ccache
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- Ubuntu and Debian::
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sudo apt-get install git wget libncurses-dev flex bison gperf python python-pip python-setuptools python-serial cmake ninja-build ccache
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- Arch::
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sudo pacman -S --needed gcc git make ncurses flex bison gperf python2-pyserial cmake ninja ccache
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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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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 make
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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 make
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- Ubuntu 16.04::
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sudo apt-get install gawk gperf grep gettext python python-dev automake bison flex texinfo help2man libtool libtool-bin make
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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 make
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- Arch::
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TODO
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Download ``crosstool-NG`` and build it::
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cd ~/esp
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git clone -b xtensa-1.22.x https://github.com/espressif/crosstool-NG.git
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cd crosstool-NG
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./bootstrap && ./configure --enable-local && make install
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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-cmake>` 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-cmake`.
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