:link_to_translation:`zh_CN:[中文]`
To set up the toolchain from scratch, rather than :doc:`downloading a pre-compiled toolchain<macos-setup>`, you will need to install either the MacPorts or Homebrew package manager.
MacPorts needs a full XCode installation, while Homebrew only needs XCode command line tools.
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.
install pip:
sudo easy_install pip
install pyserial:
pip install --user pyserial
install CMake & Ninja build:
If you have Homebrew, you can run:
brew install cmake ninja dfu-util
If you have MacPorts, you can run:
sudo port install cmake ninja dfu-util
Install dependencies:
with MacPorts:
sudo port install gsed gawk binutils gperf grep gettext wget libtool autoconf automake makewith Homebrew:
brew install gnu-sed gawk binutils gperftools gettext wget help2man libtool autoconf automake make
Create a case-sensitive filesystem image:
hdiutil create ~/esp/crosstool.dmg -volname "ctng" -size 10g -fs "Case-sensitive HFS+"
Mount it:
hdiutil mount ~/esp/crosstool.dmg
Create a symlink to your work directory:
mkdir -p ~/esp ln -s /Volumes/ctng ~/esp/ctng-volume
Go into the newly created directory:
cd ~/esp/ctng-volume
Download crosstool-NG
and build it:
.. include-build-file:: inc/scratch-build-code.inc
Build the toolchain:
./ct-ng {IDF_TARGET_TOOLCHAIN_PREFIX} ./ct-ng build chmod -R u+w builds/{IDF_TARGET_TOOLCHAIN_PREFIX}
Toolchain will be built in ~/esp/ctng-volume/crosstool-NG/builds/{IDF_TARGET_TOOLCHAIN_PREFIX}
. To use it, you need to add ~/esp/ctng-volume/crosstool-NG/builds/{IDF_TARGET_TOOLCHAIN_PREFIX}/bin
to PATH
environment variable.
To carry on with development environment setup, proceed to :ref:`get-started-get-esp-idf`.