sudo apt-get install scons -y
sudo apt-get install samba
sudo pip3 install ecdsa

tar -xvf gcc_riscv32-linux-7.3.0.tar.gz -C ~/
tar -xvf gn.1523.tar -C ~/
tar -xvf ninja.1.9.0.tar -C ~/

 .bashrc

export PATH=~/gn:$PATH
export PATH=~/ninja:$PATH
export PATH=~/gcc_riscv32/bin:$PATH

source ~/.bashrc

到源码目录执行python build.py wifiiot