求大神教解决:Undefined symbols for architecture x86_64:

2dx版本:2.15
报错信息:

在Valid architextures里面添加x86_64再编译

或者把你箭头处设置为NO

Undefined symbols for architecture x86_64: 我完全按照这个教程写得代码怎么报这些错误?

http://wenku.baidu.com/link?url=d-Uvr2NIFpCRtfrH6fDashAvcuLZ3MOdbuWmBL_oJ24Hm68SzOEK2n2X_ry9Og8t-ZTKf262OOu9NEMx0BIuWrVBB15MN6ZzMKRXcuO0E0W