Standard Setup of Toolchain for Mac OS (CMake)¶
This is documentation for the CMake-based build system which is currently in preview release. If you encounter any gaps or bugs, please report them in the Issues section of the ESP-IDF repository.
The CMake-based build system will become the default build system in ESP-IDF V4.0. The existing GNU Make based build system will be deprecated in ESP-IDF V5.0.
ESP-IDF will use the version of Python installed by default on Mac OS.
sudo easy_install pip
pip install --user pyserial
install CMake & Ninja build:
If an error like this is shown during any step:
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun Then you will need to install the XCode command line tools to continue. You can install these by running ``xcode-select --install``.
ESP32 toolchain for macOS is available for download from Espressif website:
Download this file, then extract it in
mkdir -p ~/esp cd ~/esp tar -xzf ~/Downloads/xtensa-esp32-elf-macos-1.22.0-97-gc752ad5-5.2.0.tar.gz
The toolchain will be extracted into
To use it, you will need to update your
PATH environment variable in
~/.profile file. To make
xtensa-esp32-elf available for all terminal sessions, add the following line to your
Alternatively, you may create an alias for the above command. This way you can get the toolchain only when you need it. To do this, add different line to your
alias get_esp32="export PATH=$HOME/esp/xtensa-esp32-elf/bin:$PATH"
Then when you need the toolchain you can type
get_esp32 on the command line and the toolchain will be added to your
Log off and log in back to make the
.profile changes effective. Run the following command to verify if
PATH is correctly set: