Yocto project download and compilation

Get ready

Get into WSL2 Subsystem , Install build dependency ：

sudo apt install -y gawk wget git-core diffstat unzip texinfo gcc-multilib build-essential chrpath socat cpio python python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping libsdl1.2-dev xterm

download yocto

download

wget https://git.yoctoproject.org/poky/snapshot/poky-yocto-3.3.4.tar.gz

decompression

tar -zxvf poky-yocto-3.3.4.tar.gz

Configure target image

cd poky-yocto-3.3.4
source oe-init-build-env

Default generation build Catalog .
Configure the target machine architecture , Choose here ARM64. edit build/conf In the catalog local.conf file . Here's the picture , Choose the version you want . Save and exit .

compile

bitbake  core-image-minimal

The first compilation process is time-consuming , According to your computer configuration and network speed , Spend time from 3 Hours ~8 Hours don't wait .

function

runqemu qemuarm64

Wrong report

terms of settlement ：

1. modify ./poky-yocto-3.3.4/meta/conf/machine/include/qemu.inc Inside , Get rid of screen.

MACHINE_FEATURES = "alsa bluetooth usbgadget screen vfat" 

2. modify ./poky-yocto-3.3.4/build/conf/local.conf Inside , Comment out the following code .

#PACKAGECONFIG_append_pn-qemu-system-native = " sdl"

3. Recompile run .

cd poky-yocto-3.3.4
source oe-init-build-env
bitbake  core-image-minimal
runqemu qemuarm64