编译libnl1-1：
./configure --host=arm-linux --enable-static --prefix=/usr/local/ssl CC=arm-linux-gnueabihf-gcc
编译时出现错误：
../include/netlink-local.h:239:11: error: ‘ULONG_MAX’ undeclared (first use in this function)
原文：http://www.cnblogs.com/xihong2014/p/7350853.html