iOS Clang错误-Xcode5
[英]iOS Clang error-Xcode5
问题描述
I've seen several posts on google and stackoverflow related to this error, I've read all of them but still fetching the problem , I will be glad for a solution. 
我已经在Google和stackoverflow上看到了几处与此错误相关的帖子，尽管我已经阅读了所有文章，但仍能解决问题，对于解决方案我很高兴。 Here is the error mesage I recieve when compiling .. 这是我在编译时收到的错误消息。
duplicate symbol _OBJC_IVAR_$_crc_assess_q1.answers in:
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q2.o
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q1.o
duplicate symbol _OBJC_IVAR_$_crc_assess_q1._assessQuestion1Label in:
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q2.o
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q1.o
duplicate symbol _OBJC_IVAR_$_crc_assess_q1._answer1Table in:
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q2.o
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q1.o
duplicate symbol _OBJC_CLASS_$_crc_assess_q1 in:
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q2.o
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q1.o
duplicate symbol _OBJC_METACLASS_$_crc_assess_q1 in:
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q2.o
/Users/somefolder/Library/Developer/Xcode/DerivedData/CRC-cwtaapkjcvsdiaddtmdolovjtsgf/Build/Intermediates/CRC.build/Debug-iphonesimulator/CRC.build/Objects-normal/i386/crc_assess_q1.o
ld: 5 duplicate symbols for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation) clang：错误：链接器命令失败，退出代码为1（使用-v查看调用）
1 个解决方案
解决方案1
0 2014-01-03 06:14:31
I am assuming that you have duplicate files in your Project Directory, check 我假设您的项目目录中有重复的文件，请检查
Build Phases>Compile Sources of you project and see wether more than two file with same name is there or not Build Phases>Compile Sources项目的Build Phases>Compile Sources ，然后查看是否存在两个以上具有相同名称的文件
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