BuildRoot- root file system construction

Download link: https://buildroot.org/

One: Configure buildroot

make menuconfig

1. Configure Target options

2. Configure Toolchain, select custom cross compiler, set compiler prefix, path version, etc.

3. Configure System configuration, set the name of the development board, welcome message, user name, and password.

4. Configure Filesystem images and package the root file system format. Imx6ull does not need it. The mfgtool tool has been packaged.

5. Compile buildroot: "sudo make"