root@ubuntu:/home/tank/mywork/nanopi-a64-bsp/lichee/brandy# ./build.sh -p sun50iw1p1
Prepare toolchain ...
fatal: your current branch 'master' does not have any commits yet
Building sun50iw1p1
Configuring for sun50iw1p1 - Board: sun50iw1p1, Options: SUN50IW1P1
Makefile:1201: *** missing separator. Stop.
root@ubuntu:/home/tank/mywork/nanopi-a64-bsp/lichee/brandy#
虚拟机上用的是麒麟ubuntu18.04 ,这个错误是怎么回事啊?