2. Install Tools

PC OS	Network	Permission
ubuntu system	online	ordinary user

2.1 Install the necessary tools

sudo apt-get install u-boot-tools
sudo apt-get install git gnupg flex bison gperf build-essential zip curl libc6-dev libncurses5-dev:i386 x11proto-core-dev libx11-dev:i386 libreadline6-dev:i386 libgl1-mesa-dri:i386 libgl1-mesa-dev g++-multilib tofrodos python-markdown libxml2-utils xsltproc zlib1g-dev:i386 dpkg-dev
sudo apt-get install libncurses5-dev
sudo apt-get install libsdl1.2-dev
sudo apt-get install lib32z-dev ccache
sudo apt-get install python-pyelftools python3-pyelftools -y
sudo apt-get install libssl-dev
sudo apt-get install liblz4-tool
sudo apt-get install gcc-4.8
sudo apt-get install g++-4.8

Note

If the compilation encountered error, please according to the error message install the corresponding software package.

2.2 Install JDK

sudo apt-get update
sudo apt-get install openjdk-8-jdk