set_Env.sh

#!/bin/bash
if [ $BASH_SOURCE == $0 ];then
    echo -e "\n this script should be sourced, like \"source ${0#*/}\".\n"
    exit 1
fi

if [ ! -z $CROSS_COMPILE ];then
    echo -e "\n it is already in cross comiling mode.\n"
    return 1;
fi

export PATH=/opt/FriendlyARM/toolchain/6.4-aarch64/bin:$PATH
#export GCC_COLORS=auto
export ARCH=arm64
export CROSS_COMPILE=/opt/FriendlyARM/toolchain/6.4-aarch64/bin/aarch64-linux-

把你的交叉编译器的路径修改到这里