1、编译debian 依赖库：

sudo apt-get install repo git ssh make gcc libssl-dev liblz4-tool \
expect g++ patchelf chrpath gawk texinfo chrpath diffstat binfmt-support \
qemu-user-static live-build bison flex fakeroot cmake gcc-multilib \
g++-multilib unzip device-tree-compiler python-pip libncurses5-dev

2、kernel编译

./build.sh kernel

3、uboot 编译

./build.sh uboot

4、recovery编译

./build.sh recovery

重新编译recovery
source envsetup.sh rockchip_rk3568
make recovery-rebuild
./build.sh recovery

5、debian编译

./build.sh debian

单独编译debian
32位：
cd debian
RELEASE=buster TARGET=desktop ARCH=armhf ./mk-base-debian.sh

64位：
cd debian
RELEASE=butser TARGET=desktop ARCH=arm64 ./mk-base-debian.sh

6、单独编译app

make wearable
make wearable-rebuild
make wearable-dirclean