编译指令
make sgdisk CC=aarch64-none-linux-gnu-gcc CXX=aarch64-none-linux-gnu-g++ CFLAGS="--sysroot=rootfs_sdk/aarch64-buildroot-linux-gnu/sysroot" CXXFLAGS="--sysroot=rootfs_sdk/aarch64-buildroot-linux-gnu/sysroot" LDFLAGS="--sysroot=rootfs_sdk/aarch64-buildroot-linux-gnu/sysroot -Lrootfs_sdk/aarch64-buildroot-linux-gnu/sysroot/usr/lib"
将上式中的root