iOS开发- "duplicate symbol for architecture i386 clang: error: linker command failed with exi" 解决办法
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今天开发项目是, 遇到了这样一个问题(同事发给我的项目,在他的机器上可以跑,到我这就报错了)。
duplicate symbol _flag in:
/Users/apple/Library/Developer/Xcode/DerivedData/bluetoothPhone-fspknidhnizzjygmuqngfcklvnic/Build/Intermediates/bluetoothPhone.build/Debug-iphonesimulator/bluetoothPhone.build/Objects-normal/i386/DialVC.o
/Users/apple/Library/Developer/Xcode/DerivedData/bluetoothPhone-fspknidhnizzjygmuqngfcklvnic/Build/Intermediates/bluetoothPhone.build/Debug-iphonesimulator/bluetoothPhone.build/Objects-normal/i386/PersonalList.o
ld: 1 duplicate symbol for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
分析一下, 如图。
可以看出, 错误类型是 duplicate(重复) 错误标识是 _flag 错误位置在 DialVC 和 PersonalList中
于是, 搜索一下, flag。发现...
只要换掉其中一个flag就可以了。
下面的是我的报错:
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/LorUserDataViewController.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/LorUserDataViewController.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/LorUserDataViewController.o
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/AppDelegate.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/AppDelegate.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/AppDelegate.o
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/ChoiceAddressController.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/ChoiceAddressController.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/ChoiceAddressController.o
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FeedIdeaBackController.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FeedIdeaBackController.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FeedIdeaBackController.o
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FishUserDataController.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FishUserDataController.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FishUserDataController.o
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/HomeLoctionController.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/HomeLoctionController.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/HomeLoctionController.o
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/LoginViewController.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/LoginViewController.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/LoginViewController.o
duplicate symbol __notificationCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FirthReginController.o
duplicate symbol __messageCount in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FirthReginController.o
duplicate symbol __messageContents in:
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/MagessCenterController.o
/Users/Taylor/Library/Developer/Xcode/DerivedData/OMyCar-fjronizlodzryagubmjxtxismtch/Build/Intermediates/OMyCar.build/Debug-iphonesimulator/OMyCar.build/Objects-normal/i386/FirthReginController.o
ld: 24 duplicate symbols for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
//NSMutableArray *_messageContents;
//int _messageCount;
//int _notificationCount;
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