架构arm64的未定义符号 [英] Undefined symbols for architecture arm64

问题描述

每次从CocoaPods导入文件时，我都会收到Apple Mach-O链接器错误。

I am getting a Apple Mach-O Linker Error everytime I import a file from CocoaPods.

Undefined symbols for architecture arm64:
  "_OBJC_CLASS_$_FBSession", referenced from: someFile
ld: symbol(s) not found for architecture arm64

对于我使用的各种Pod，我得到了大约12个。

I get about 12 of these, for the various Pods I use.

我正在尝试使用XCode 5为iPhone 5S构建。

I am trying to build for the iPhone 5S using XCode 5.

我一直在SO上尝试各种解决方案，但还没有任何解决方案可以使用。

I've been trying various solutions here on SO, but haven't got any of them to work yet.

如何修复此Apple Mach-O链接器错误？

发现了另一个可能有趣的警告，我希望这能引导我找到解决方案：

Just found another warning that might be interesting, I hope this leads me to the solution:

Ignoring file ~/Library/Developer/Xcode/DerivedData/SomeApp/Build/Products/Debug-iphoneos/libPods.a, 

文件是为存档而构建的，而不是被链接的架构 （arm64 ）：〜/ Library / Developer / Xcode / DerivedData / someApp / Build / Products / Debug-iphoneos / libPods.a

推荐答案

如果体系结构和有效体系结构都可以，您可以检查是否添加了 $（继承），它将在pod中添加链接器标志，添加到其他链接器标志，如下所示：

If your Architectures and Valid Architectures are all right, you may check whether you have added $(inherited) , which will add linker flags generated in pods, to Other Linker Flags as below:

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