xcode更新后,运行模拟器报错,求解

项目用zerobrane studio调试lua,使用到了luasocket,在这以前运行正常。昨天xcode更新到6以后,就报下面这个错误了。

error loading module ‘socket.core’ from file ‘/usr/local/lib/lua/5.1/socket/core.so’:
dlopen(/usr/local/lib/lua/5.1/socket/core.so, 2): no suitable image found. Did find:
/usr/local/lib/lua/5.1/socket/core.so: mach-o, but not built for iOS simulator

求教高人。