Yocto：初始

1.构建Yocto项目前，需要先安装其所依赖的一些组件及工具

1 System Requirements — The Yocto Project ® 4.2.999 documentation

需要依次安装：

$ sudo apt install gawk wget git diffstat unzip texinfo gcc build-essential chrpath socat cpio python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping python3-git python3-jinja2 libegl1-mesa libsdl1.2-dev python3-subunit mesa-common-dev zstd liblz4-tool file locales
$ sudo locale-gen en_US.UTF-8
$ sudo apt install make python3-pip inkscape texlive-latex-extra
$ sudo pip3 install sphinx sphinx_rtd_theme pyyaml

2.clone yocto项目

$ git clone git://git.yoctoproject.org/poky

3.创建本地分支 

clone后，yocto项目的保存在目录poky中ÿ