现象：
Checking host kernel version
3.10.0-957.el7.x86_64
Checking bcm tools version
Rel1.11
Checking automake version:
****************************************************
Error: Could not retreive version from automake
automake is likely not installed on your system
****************************************************
make[1]: *** [prebuild_checks] Error 1
make[1]: Leaving directory `/home/wangxinyu/work/AX1803/6755_sdk'
make: *** [default] Error 2
解决方法：
yum install automake
(Centos7编译环境使用yum，ubuntu使用apt-get，OpenSUSE使用zypper )
