objective-c - 架构 armv7s 的 undefined symbol

Question

当我构建我的旧版本应用程序 ios 4.3 时，我有这个警告

Undefined symbols for architecture armv7s:
  "_OBJC_CLASS_$_SSSwitch", referenced from:
      objc-class-ref in LoginViewController.o
  "_OBJC_CLASS_$_SSHUDView", referenced from:
      objc-class-ref in ContractorInfoViewController.o
      objc-class-ref in ContractorListViewController.o
      objc-class-ref in EvenementBilleterieViewController.o
      objc-class-ref in EvenementCoupDeCoeurViewController.o
      objc-class-ref in EvenementRequestViewController.o
      objc-class-ref in GourmetCoupDeCoeurViewController.o
      objc-class-ref in GourmetRequestViewController.o
      ...
ld: symbol(s) not found for architecture armv7s
clang: error: linker command failed with exit code 1 (use -v to see invocation)

请帮帮我

Answer 1

链接器错误通常意味着您正在尝试从未链接到的库或类似库中访问代码。在你的情况下，它看起来像访问了某种 SS 库，但没有链接。通过在文件导航器中选择项目，然后选择:

，确保所有潜在的库都已添加到项目中

Target -> Build Phases -> Link binary with libraries

希望对您有所帮助。