Undefined symbols for architecture armv7

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
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原文地址：https://www.cnblogs.com/MaybeQueen/p/4040386.html