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POApple Mach-O linker error with duplicate symbols even after linking the .m class files to the build phases in Xcode
 

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  1. POApple Mach-O linker error with duplicate symbols even after linking the .m class files to the build phases in Xcode
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    <p>When i build and run my project the only error i get, turns out to be the Apple Mach-O linker error</p> <p><strong>20 duplicate symbols for architecture i386</strong></p> <p><strong>Linker command failed with exit code 1 (use -v to see invocation)</strong></p> <p>The problem is that i've checked the existance of any duplicate class files, pictures, audio files in my project(weren't any). I have imported all the .m files to the <strong><em>build phases-> compile sources</em></strong>. Also have the correct frameworks imported in <strong><em>link with binary libraries</em></strong> and checked whether the picture, xib, audio files have been imported properly in the <strong><em>copy bundle resources</em></strong> and so far everything looks good to go. But it isn't, as I try to run the project, the linker error stays put. Can anyone tell me where am I going wrong?</p> <pre><code> Ld /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Products/Debug-iphonesimulator/Taukytable.app/Taukytable normal i386 cd "/Users/User/Desktop/Taukytable Newone" setenv IPHONEOS_DEPLOYMENT_TARGET 6.0 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/iPhoneSimulator6.1.sdk -L/Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Products/Debug-iphonesimulator -F/Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Products/Debug-iphonesimulator -filelist /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/Taukytable.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -Xlinker -no_implicit_dylibs -stdlib=libc++ -mios-simulator-version-min=6.0 -framework CoreAudio -framework CoreMedia -framework CoreFoundation -framework Accelerate -framework CoreData -framework CoreVideo -framework Security -framework CoreImage -framework MessageUI -framework MobileCoreServices -framework AVFoundation -framework QuartzCore -framework SystemConfiguration -framework OpenGLES -framework AssetsLibrary -lsqlite3.0 -framework AudioToolbox -framework UIKit -framework Foundation -framework CoreGraphics -o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Products/Debug-iphonesimulator/Taukytable.app/Taukytable duplicate symbol _SavedImage in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/MasterViewController.o duplicate symbol _SavedImage1 in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/MasterViewController.o duplicate symbol _vvvalue in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/MasterViewController.o duplicate symbol _lll in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/MasterViewController.o duplicate symbol _vvvalue in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/PAsavee.o duplicate symbol _SavedImage in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/PAsavee.o duplicate symbol _lll in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/PAsavee.o duplicate symbol _SavedImage1 in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/PAsavee.o duplicate symbol _SavedImage in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/Preview.o duplicate symbol _SavedImage1 in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/Preview.o duplicate symbol _vvvalue in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/Preview.o duplicate symbol _lll in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/Preview.o duplicate symbol _SavedImage in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/NSObject+ShareClass.o duplicate symbol _SavedImage1 in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/NSObject+ShareClass.o duplicate symbol _vvvalue in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/NSObject+ShareClass.o duplicate symbol _lll in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/NSObject+ShareClass.o duplicate symbol _vvvalue in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/CustomOverlayView.o duplicate symbol _SavedImage in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/CustomOverlayView.o duplicate symbol _SavedImage1 in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/CustomOverlayView.o duplicate symbol _lll in: /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/AppDelegate.o /Users/User/Library/Developer/Xcode/DerivedData/Taukytable-bwphmaegucpyjhfinxfulunsuhag/Build/Intermediates/Taukytable.build/Debug-iphonesimulator/Taukytable.build/Objects-normal/i386/CustomOverlayView.o ld: 20 duplicate symbols for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation) </code></pre>
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    1. USUmesh Kumar
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      1. VTUpMod
    1. CODid you #include or #import a "AppDelegate.m" file everywhere? (You should only be importing headers with .h, not the .m). That will also create a duplicate set of symbols. Also try cleaning your build products folder.
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      1. USWarren P
    2. CO@WarrenP: Yah...checked that as well and cleaned the project too. Still it stays...U can go thru the project that i've attached along with my question.
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      1. USUmesh Kumar
    3. COTry to quit your xcode and restart it.
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      1. POApple Mach-O linker error with duplicate symbols even after linking the .m class files to the build phases in Xcode
      1. USPraveenkumar
 

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