Question

我遇到一系列神秘的链接器错误。我的常规目标和UITest目标构建并执行正常，但UnitTest目标始终失败并出现以下错误。似乎是CoreData的某种问题，但我无法弄清楚为什么它在测试目标上而不是在主目标中出错。我试过了： 1）清除派生数据。 2）重启xCode 3）清洁安装吊舱

任何关于在哪里寻找问题的帮助都将非常感激。我很难过。谢谢！

Undefined symbols for architecture x86_64:
  "direct field offset for playolaIphone.AppDelegate.(managedObjectModel.storage in _D550B33DB84959D9A74FD87E48EB7BC7) : __ObjC.NSManagedObjectModel?", referenced from:
      playolaIphone.AppDelegate.managedObjectModel.setter : __ObjC.NSManagedObjectModel in MockAppDelegate.o
      playolaIphone.AppDelegate.(managedObjectModel.materializeForSet : __ObjC.NSManagedObjectModel).(closure #1) in MockAppDelegate.o
  "direct field offset for playolaIphone.AppDelegate.(managedObjectContext.storage in _D550B33DB84959D9A74FD87E48EB7BC7) : __ObjC.NSManagedObjectContext?", referenced from:
      playolaIphone.AppDelegate.managedObjectContext.setter : __ObjC.NSManagedObjectContext in MockAppDelegate.o
      playolaIphone.AppDelegate.(managedObjectContext.materializeForSet : __ObjC.NSManagedObjectContext).(closure #1) in MockAppDelegate.o
  "direct field offset for playolaIphone.AppDelegate.(persistentStoreCoordinator.storage in _D550B33DB84959D9A74FD87E48EB7BC7) : __ObjC.NSPersistentStoreCoordinator?", referenced from:
      playolaIphone.AppDelegate.persistentStoreCoordinator.setter : __ObjC.NSPersistentStoreCoordinator in MockAppDelegate.o
      playolaIphone.AppDelegate.(persistentStoreCoordinator.materializeForSet : __ObjC.NSPersistentStoreCoordinator).(closure #1) in MockAppDelegate.o
  "direct field offset for playolaIphone.AppDelegate.(applicationDocumentsDirectory.storage in _D550B33DB84959D9A74FD87E48EB7BC7) : Foundation.URL?", referenced from:
      playolaIphone.AppDelegate.applicationDocumentsDirectory.setter : Foundation.URL in MockAppDelegate.o
      playolaIphone.AppDelegate.(applicationDocumentsDirectory.materializeForSet : Foundation.URL).(closure #1) in MockAppDelegate.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Answer 1

通过逐个项目的提交，我将其跟踪到SWIFT_WHOLE_MODULE_OPTIMIZATION标志。从项目中删除此设置已修复它。我不明白为什么，但我想我会留下它，以防它有助于某人。

Xcode 8的构建错误UITests“direct field offset”

1 个答案: