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上週我正在開發一個項目。今天，我重新開放了這個項目並試圖再次構建它。但我收到了一條錯誤消息。我不明白爲什麼我收到這條消息是因爲我沒有改變任何項目。 （我使用的XCode 4.3故事板）我不明白：「鏈接器命令失敗，退出代碼1」錯誤
Ld /Users/mete/Library/Developer/Xcode/DerivedData/MySınav-ceckdqzcfyfgicaqrhloynhdnglw/Build/Products/Debug-iphonesimulator/MySınav.app/MySınav normal i386
cd /Users/mete/Documents/MySınav
setenv MACOSX_DEPLOYMENT_TARGET 10.6
setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch i386 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.1.sdk -L/Users/mete/Library/Developer/Xcode/DerivedData/MySınav-ceckdqzcfyfgicaqrhloynhdnglw/Build/Products/Debug-iphonesimulator -F/Users/mete/Library/Developer/Xcode/DerivedData/MySınav-ceckdqzcfyfgicaqrhloynhdnglw/Build/Products/Debug-iphonesimulator -filelist /Users/mete/Library/Developer/Xcode/DerivedData/MySınav-ceckdqzcfyfgicaqrhloynhdnglw/Build/Intermediates/MySınav.build/Debug-iphonesimulator/MySınav.build/Objects-normal/i386/MySınav.LinkFileList -mmacosx-version-min=10.6 -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -Xlinker -no_implicit_dylibs -D__IPHONE_OS_VERSION_MIN_REQUIRED=50100 -lsqlite3 -framework UIKit -framework Foundation -framework CoreGraphics -o /Users/mete/Library/Developer/Xcode/DerivedData/MySınav-ceckdqzcfyfgicaqrhloynhdnglw/Build/Products/Debug-iphonesimulator/MySınav.app/MySınav
ld: duplicate symbol _counter in /Users/mete/Library/Developer/Xcode/DerivedData/MySınav-ceckdqzcfyfgicaqrhloynhdnglw/Build/Intermediates/MySınav.build/Debug-iphonesimulator/MySınav.build/Objects-normal/i386/examPaused.o and /Users/mete/Library/Developer/Xcode/DerivedData/MySınav-ceckdqzcfyfgicaqrhloynhdnglw/Build/Intermediates/MySınav.build/Debug-iphonesimulator/MySınav.build/Objects-normal/i386/examSelf.o for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
我不慎進口同一類的h和.m文件到另一個班級在同一時間。問題解決了。謝謝。 –
嗨，丈量，我用FBGraph API， 錯誤： LD：重複的符號_OBJC_CLASS _ $ _在/Users/sumitgosh/Library/Developer/Xcode/DerivedData/BoleApp-avgexapsugmcsaexkijxcnqktmdx/Build/Intermediates/BoleApp.build/Debug- SBJSON iphonesimulator/BoleApp.build/Objects-normal/i386/SBJSON-6C85BADD94574567.o和/Users/sumitgosh/Library/Developer/Xcode/DerivedData/BoleApp-avgexapsugmcsaexkijxcnqktmdx/Build/Intermediates/BoleApp.build/Debug-iphonesimulator/BoleApp.build /Objects-normal/i386/SBJSON-58E23D7C54AF5087.o對於體系結構i386 clang：錯誤：鏈接器命令失敗，退出代碼爲1（使用-v查看調用） – NSExpression
你能告訴我，我會在哪裏得到這個SBJSON-58E23D7C54AF5087。 o和SBJSON-6C85BADD94574567.o文件在我的項目中......？ – NSExpression