如何解决“重复的符号”在Xcode中添加Firebase时 [英] How to solve "duplicate symbol" when added Firebase in Xcode

问题描述

错误是

 重复符号_GSDK_NSClassFromString位于：... / Pods / FirebaseCore / Frameworks / FirebaseCore.framework / FirebaseCore（overload_9ea29fd47bf44ee000bc4282b65dac06.o）
 /Pods/GoogleSymbolUtilities/Frameworks/frameworks/GoogleSymbolUtilities.framework/GoogleSymbolUtilities （overload.o）
 
重复的符号_GSDK_objc_getClass in：... / Pods / FirebaseCore / Frameworks / FirebaseCore.framework / FirebaseCore（overload_9ea29fd47bf44ee000bc4282b65dac06.o）
 / Pods / GoogleSymbolUtilities / Frameworks / frameworks /GoogleSymbolUtilities.framework/GoogleSymbolUtilities(overload.o）
 
重复的符号_GSDK_objc_getProtocol in：... Pods / FirebaseCore / Frameworks / FirebaseCore.framework / FirebaseCore（overload_9ea29fd47bf44ee000bc4282b65dac06.o）
 ... /Pods/GoogleSymbolUtilities/Frameworks/frameworks/GoogleSymbolUtilities.framework/GoogleSymbolUtilities(overload.o）
 
重复的符号l _GSDK_objc_lookUpClass in：... Pods / FirebaseCore / Frameworks / FirebaseCore.framework / FirebaseCore（overload_9ea29fd47bf44ee000bc4282b65dac06.o）
 ... Pods / GoogleSymbolUtilities / Frameworks / frameworks / GoogleSymbolUtilities.framework / GoogleSymbolUtilities（overload.o）
 
 ld：体系结构arm64的4个重复符号
 clang：错误：linker命令失败，退出代码1（使用-v查看调用）
  

我更新并安装了Podfile。但它不起作用。
$ b

Pod文件

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 $ p $''
 
 
 
 
 
 
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我可以在之前添加Firebase。但是当我不小心删除FirebaseCore.framework。
之后，我删除了Pods并重新安装了Firebase，但是没有成功。

如何解决这个问题？

解决方案

我有同样的问题。看起来，其他链接器标志中的-all_load标志正在导致这种情况。

I can't solve the error "duplicate symbol".

The error is

duplicate symbol _GSDK_NSClassFromString in: .../Pods/FirebaseCore/Frameworks/FirebaseCore.framework/FirebaseCore(overload_9ea29fd47bf44ee000bc4282b65dac06.o)
 /Pods/GoogleSymbolUtilities/Frameworks/frameworks/GoogleSymbolUtilities.framework/GoogleSymbolUtilities(overload.o)

duplicate symbol _GSDK_objc_getClass in: .../Pods/FirebaseCore/Frameworks/FirebaseCore.framework/FirebaseCore(overload_9ea29fd47bf44ee000bc4282b65dac06.o)
/Pods/GoogleSymbolUtilities/Frameworks/frameworks/GoogleSymbolUtilities.framework/GoogleSymbolUtilities(overload.o)

duplicate symbol _GSDK_objc_getProtocol in:    ...Pods/FirebaseCore/Frameworks/FirebaseCore.framework/FirebaseCore(overload_9ea29fd47bf44ee000bc4282b65dac06.o)
    .../Pods/GoogleSymbolUtilities/Frameworks/frameworks/GoogleSymbolUtilities.framework/GoogleSymbolUtilities(overload.o)

duplicate symbol _GSDK_objc_lookUpClass in:        ...Pods/FirebaseCore/Frameworks/FirebaseCore.framework/FirebaseCore(overload_9ea29fd47bf44ee000bc4282b65dac06.o)
    ...Pods/GoogleSymbolUtilities/Frameworks/frameworks/GoogleSymbolUtilities.framework/GoogleSymbolUtilities(overload.o)

ld: 4 duplicate symbols for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

I updated and installed Podfile. But it didn't work.

Pod file

target 'game' do

  # Pods for game
  pod 'Firebase'
  pod 'Firebase/AdMob'
end

I could add Firebase before. But when I accidentally delete "FirebaseCore.framework". After that I deleted Pods and reinstalled Firebase, but it didn't work.

How can I solve it?

解决方案

I had the same issue. It seems that the -all_load flag in the Other Linker Flags is causing this.

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