macOS Optional Dependencies

Python 3.7, 3.8, 3.9 and 3.10

To use the Python API you will need to install the latest version of Python 3.7, 3.8, 3.9 and 3.10 from https://www.python.org And the brew version too:

brew update
brew install python@3.7 python@3.8 python@3.9 python@3.10

Java

To use the JAVA API you will need to install the Java SE Development Kit 16.0.2 for Mac OS X from: https://www.oracle.com/java/technologies/javase-jdk16-downloads.html

Requirements to create the Webots .dmg package

appdmg is required to create the Webots .dmg package:

brew install node
npm install -g appdmg

Create a test Webots.app bundle

In order to launch Webots directly from Finder you could create a Webots.app directory with symbolic links to the Webots local repository content as following:

cd ~
mkdir Webots.app
cd Webots.app/
ln -s ${WEBOTS_HOME}/Contents Contents
ln -s ${WEBOTS_HOME}/resources resources
ln -s ${WEBOTS_HOME}/lib lib
ln -s ${WEBOTS_HOME}/bin bin
ln -s ${WEBOTS_HOME}/change_logs change_logs
ln -s ${WEBOTS_HOME}/doc doc
ln -s ${WEBOTS_HOME}/include include
ln -s ${WEBOTS_HOME}/projects projects
ln -s ${WEBOTS_HOME}/util util

Web interface with wren.js

To be able to compile the streaming-viewer, you need python 3, pyclibrary and Emscripten

pyclibrary

Enter the following command in a terminal: pip install pyclibrary

Emscripten

Run the following commands in a terminal:

# Get the emsdk repo
git clone https://github.com/emscripten-core/emsdk.git

# Enter that directory
cd emsdk

# Download and install the latest SDK tools.
./emsdk install latest

# Make the "latest" SDK "active" for the current user. (writes .emscripten file)
./emsdk activate latest

Then uncomment the line source $HOME/emsdk/emsdk_env.sh >/dev/null 2>&1 in bash_profile.mac that is in webots/script/install.

Run the following commands from Webots home folder:

cat scripts/install/bash_profile.mac >> ~/.bash_profile
cat scripts/install/bash_profile.mac >> ~/.zprofile
source ~/.bash_profile