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刚刚更新到 Xcode 8.3.1 并构建我的项目得到如下错误：

 "__TFE7SnapKitPS_23ConstraintAttributesDSLg6heightCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg5widthCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg6centerCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg7centerXCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg6bottomCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg7leadingCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg7centerYCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg8trailingCS_14ConstraintItem", referenced from:

  "__TFE7SnapKitPS_23ConstraintAttributesDSLg3topCS_14ConstraintItem", referenced from:

clang: error: linker command failed with exit code 1 (use -v to see invocation)

似乎是 SnapKit 的问题。

  • 试过了cmd + shift + k
  • 删除pod 'SnapKit' pod install并添加回来仍然无效。

如果不是版本问题。如何调试/解决此类错误。谢谢。

编辑 右键单击项目导航器中的错误，然后选择在日志中显示显示更多错误信息：

Undefined symbols for architecture x86_64:
  "__TFE7SnapKitPS_23ConstraintAttributesDSLg6heightCS_14ConstraintItem", referenced from:
      __TFFC6Auroma22AURAlarmViewController19configureBottomViewFCSo6UIViewT_U2_FC7SnapKit15ConstraintMakerT_ in AlarmViewController.o

我可以看到AlarmViewController称为 SnapKit 的布局方法。但仍然不清楚为什么会出现错误。

编辑 我以前的 Xcode 应该是 8.3。

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1 回答 1

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最后通过删除解决~/Library/Developer/Xcode/DerivedData。

于 2017-04-22T17:08:22.150 回答