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68 lines
1.7 KiB
ReStructuredText
68 lines
1.7 KiB
ReStructuredText
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***************************************
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Setup Toolchain for Mac OS from Scratch
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***************************************
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Install Prerequisites
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=====================
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- install pip::
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sudo easy_install pip
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- install pyserial::
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sudo pip install pyserial
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Compile the Toolchain from Source
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=================================
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- Install dependencies:
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- Install either MacPorts_ or homebrew_ package manager. MacPorts needs a full XCode installation, while homebrew only needs XCode command line tools.
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.. _homebrew: http://brew.sh/
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.. _MacPorts: https://www.macports.org/install.php
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- with MacPorts::
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sudo port install gsed gawk binutils gperf grep gettext wget libtool autoconf automake
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- with homebrew::
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brew install gnu-sed gawk binutils gperftools gettext wget help2man libtool autoconf automake
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Create a case-sensitive filesystem image::
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hdiutil create ~/esp/crosstool.dmg -volname "ctng" -size 10g -fs "Case-sensitive HFS+"
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Mount it::
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hdiutil mount ~/esp/crosstool.dmg
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Create a symlink to your work directory::
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cd ~/esp
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ln -s /Volumes/ctng crosstool-NG
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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-macos-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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