我正在尝试将 Facebook SDK 集成到我的 xcode 项目中，但我遇到了一个绊脚石。
经过一番研究，我尝试确保我拥有最新版本的 FacebookSDK，因为那些与我有相同错误的人能够使用最新版本解决他们的问题，但这并没有帮助，所以我尝试下载源代码从 github 并使用 build_all.sh 命令重新编译，这也没有帮助。
我会把完整的错误日志放在最后，因为它很长，但这是最后的部分：
clang：错误：链接器命令失败，退出代码为 1（使用 -v 查看调用）
我已经看到很多与此问题相关的字符串，但正如我之前所说，既没有更新到最新的 SDK（在我的情况下，这是一个不必要的步骤，因为我已经拥有它）或重新编译 armv7 的源代码，armv7s 解决了这个问题。
提前致谢，
汤姆
完整错误日志：
重复符号 _OBJC_IVAR_$_FBRequest._delegate 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/ unity-iPhone.build/Objects-normal/armv7/FBRequest.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBRequest.o) 重复符号_OBJC_IVAR_$_FBRequest._url 在：/Users/tomhenry/Library/ Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBRequest.o/用户/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBRequest.o) 重复符号_OBJC_IVAR_$_FBRequest。_connection 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/对象-normal/armv7/FBRequest.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBRequest.o) 重复符号_OBJC_IVAR_$_FBRequest._responseText 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/ Unity-iPhone-bioesylflkyyllfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBRequest.o /Users/tomhenry/Facebook/ build/FacebookSDK.framework/FacebookSDK(FBRequest.o) 重复符号 _OBJC_IVAR_$_FBRequest._error 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBRequest.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBRequest.o) 重复符号 _OBJC_IVAR_$_FBRequest._state 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBRequest.o /Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(FBRequest.o) 重复符号 _OBJC_IVAR_$_FBRequest._sessionDidExpire 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBRequest.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBRequest.o) 重复符号 _OBJC_CLASS_$_FBRequest 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb /Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBRequest.o /Users/tomhenry/Facebook/build/FacebookSDK.framework /FacebookSDK(FBRequest.o) 复制符号 _OBJC_METACLASS_$_FBRequest 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBRequest.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBRequest.o) 重复符号 _OBJC_IVAR_$_FBLoginDialog._loginDelegate 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBLoginDialog.o /Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(FBLoginDialog.o) 重复符号 _OBJC_CLASS_$_FBLoginDialog 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBLoginDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBLoginDialog.o) 重复符号 _OBJC_METACLASS_$_FBLoginDialog 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb /Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBLoginDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework /FacebookSDK(FBLoginDialog.o) 复制符号 _OBJC_IVAR_$_FBDialog._orientation 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._webView 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._modalBackgroundView 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity->iPhone.build/Objects- normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._loadingURL 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity- iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/ FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._frictionlessSettings 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._delegate 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._showingKeyboard 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._closeButton 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._spinner 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._params 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._serverURL 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBDialog._isViewInvisible 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_CLASS_$_FBDialog 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBDialog.o) 重复符号 _OBJC_METACLASS_$_FBDialog 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb /Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBDialog.o /Users/tomhenry/Facebook/build/FacebookSDK.framework /FacebookSDK(FBDialog.o) 重复符号 _OBJC_IVAR_$_FBFrictionlessRequestSettings._enabled 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/FBFrictionlessRequestSettings.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBFrictionlessRequestSettings.o) 重复符号 _OBJC_IVAR_$_FBFrictionlessRequestSettings._allowedRecipients 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBFrictionlessRequestSettings.o /Users/tomhenry/Facebook/build/FacebookSDK .框架/FacebookSDK(FBFrictionlessRequestSettings.o) 重复符号 _OBJC_IVAR_$_FBFrictionlessRequestSettings._activeRequest 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity- iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBFrictionlessRequestSettings.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBFrictionlessRequestSettings.o) 重复符号 _OBJC_CLASS_$_FBFrictionlessRequestSettings 在：/用户/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone。build/Objects-normal/armv7/FBFrictionlessRequestSettings.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(FBFrictionlessRequestSettings.o) 重复符号 _OBJC_METACLASS_$_FBFrictionlessRequestSettings 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/ Unity-iPhone-bioesylflkyyllfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/FBFrictionlessRequestSettings.o /Users/tomhenry/Facebook/ build/FacebookSDK.framework/FacebookSDK(FBFrictionlessRequestSettings.o) 重复符号 _OBJC_IVAR_$_Facebook._requests 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/Facebook.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_IVAR_$_Facebook._lastAccessTokenUpdate 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/Facebook.o/Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_IVAR__$_Facebook._frictionlessRequestSettings 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/Facebook.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_IVAR_$_Facebook._fbDialog 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/Facebook.o/Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_IVAR__$_Facebook._appId 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/Facebook.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_IVAR_$_Facebook._urlSchemeSuffix 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/Facebook.o/Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_IVAR__$_Facebook._isExtendingAccessToken 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/Facebook.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_IVAR_$_Facebook._sessionDelegate 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone -bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/Facebook.o/Users/tomhenry/Facebook/build/FacebookSDK .framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_CLASS_$_Facebook 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb/Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal /armv7/Facebook.o /Users/tomhenry/Facebook/build/FacebookSDK.framework/FacebookSDK(Facebook.o) 重复符号 _OBJC_METACLASS_$_Facebook 在：/Users/tomhenry/Library/Developer/Xcode/DerivedData/Unity-iPhone-bioesylflkyylfdprjpcoipvoxpb /Build/Intermediates/ArchiveIntermediates/Unity-iPhone/IntermediateBuildFilesPath/Unity-iPhone.build/Release-iphoneos/Unity-iPhone.build/Objects-normal/armv7/Facebook.o /Users/tomhenry/Facebook/build/FacebookSDK.framework /FacebookSDK(Facebook.o) ld：架构 armv7 clang 的 41 个重复符号：错误：链接器命令失败，退出代码为 1（使用 -v 查看调用）