Undefined symbols for architecture armv7 错误

 

Architectures 中以删除arm64 按照文档配置相应包以及 build setting 出现 13个错误 以下是部分错误

Undefined symbols for architecture armv7:

"_OBJC_CLASS_$_NSPersistentStoreCoordinator", referenced from:

objc-class-ref in libEaseMobClientSDKLite.a(EMDBManagerBase.o)

 

 

 

 

解决方案：targets--->build phases----->link binary with libraries----->+选择要添加的库   .    添加CoreDate.frameWork解决