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我将 Parse 框架更新到我的应用程序中的最新版本，现在我的应用程序中出现大量错误，主要与框架相关：

Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_FBSDKAccessToken", referenced from:
      objc-class-ref in ParseFacebookUtilsV4(PFFacebookUtils.o)
      objc-class-ref in ParseFacebookUtilsV4(PFFacebookAuthenticationProvider.o)
  "_OBJC_CLASS_$_FBSDKApplicationDelegate", referenced from:
      objc-class-ref in ParseFacebookUtilsV4(PFFacebookUtils.o)
  "_OBJC_CLASS_$_FBSDKLoginManager", referenced from:
      objc-class-ref in ParseFacebookUtilsV4(PFFacebookAuthenticationProvider.o)
  "_OBJC_CLASS_$_FBSDKSettings", referenced from:
      objc-class-ref in ParseFacebookUtilsV4(PFFacebookAuthenticationProvider.o)
  "std::string::find_first_of(char const*, unsigned long, unsigned long) const", referenced from:
      MacStringUtilsPFC_::IntegerValueAtIndex(std::string&, unsigned int) in ParseCrashReporting(string_utilities.o)
  "std::string::find_first_not_of(char const*, unsigned long, unsigned long) const", referenced from:
      MacStringUtilsPFC_::IntegerValueAtIndex(std::string&, unsigned int) in ParseCrashReporting(string_utilities.o)
  "std::string::substr(unsigned long, unsigned long) const", referenced from:
      MacStringUtilsPFC_::IntegerValueAtIndex(std::string&, unsigned int) in ParseCrashReporting(string_utilities.o)
  "std::string::_Rep::_M_destroy(std::allocator<char> const&)", referenced from:
      BreakpadPFC_::HandleUncaughtException(NSException*) in ParseCrashReporting(Breakpad.o)
      BreakpadPFC_::Initialize(NSDictionary*) in ParseCrashReporting(Breakpad.o)
      BreakpadPFC_::GenerateReport(NSDictionary*) in ParseCrashReporting(Breakpad.o)

我已经确认添加了框架，所以我不确定错误是由什么引起的。

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1 回答 1

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不确定您是否使用 CocoaPods，但如果是，我今天在更新时遇到了同样的问题。从它的显示来看，“Facebook-iOS-SDK”和“ParseFacebookUtils”已从最新更新中删除。如果不深入您的错误，看起来好像正在发生链接器错误。在我的 Podfile 中，我简单地添加了：

pod 'Facebook-iOS-SDK'
pod 'ParseFacebookUtils'

如果不使用 CocoaPods，确保这两个库在您的源代码中、清理并重建可能会有所帮助。

于 2015-04-02T06:38:01.773 回答