アーキテクチャ i386 の未定義シンボル [重複] 質問する

重複の可能性あり:
アーキテクチャ i386 のシンボルが見つかりません

完成させるべきアプリがあり、シミュレータを実行して以前の開発者が何をしたかを理解しようとすると (Xcode 3 で行われたと思います)、Xcode 4 で 25 個の問題が表示されます。

    Ld build/Debug-iphonesimulator/RadioPlayer.app/RadioPlayer normal i386
    cd /Users/haithembenhammouda/Desktop/SonVidéo
    setenv MACOSX_DEPLOYMENT_TARGET 10.6
    setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk -L/Users/haithembenhammouda/Desktop/SonVidéo/build/Debug-iphonesimulator -L/Users/haithembenhammouda/Desktop/SonVidéo/Classes/RadioKitLib -L/Users/haithembenhammouda/Desktop/SonVidéo -F/Users/haithembenhammouda/Desktop/SonVidéo/build/Debug-iphonesimulator -filelist /Users/haithembenhammouda/Desktop/SonVidéo/build/SonVidéo.build/Debug-iphonesimulator/RadioPlayer.build/Objects-normal/i386/RadioPlayer.LinkFileList -mmacosx-version-min=10.6 -ObjC -Xlinker -objc_abi_version -Xlinker 2 -framework Foundation -framework UIKit -framework CoreGraphics -framework SystemConfiguration -framework MediaPlayer -framework CFNetwork -framework AudioToolbox -framework QuartzCore -lsqlite3.0 -framework AVFoundation -lRadioKit -framework MessageUI -o /Users/haithembenhammouda/Desktop/SonVidéo/build/Debug-iphonesimulator/RadioPlayer.app/RadioPlayer
Undefined symbols for architecture i386:
  "_OBJC_CLASS_$_RadioKit", referenced from:
      objc-class-ref in RadioPlayerViewController.o
  ".objc_class_name_UIColor", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(BufferView.o)
  ".objc_class_name_UIView", referenced from:
      .objc_class_name_BufferView in libRadioKit.a(BufferView.o)
  ".objc_class_name_NSObject", referenced from:
      .objc_class_name_ASE_Event in libRadioKit.a(ASE_Event.o)
      .objc_class_name_AudioStreamEngine in libRadioKit.a(AudioStreamEngine.o)
      .objc_class_name_RadioKit in libRadioKit.a(RadioKit.o)
      .objc_class_name_XMLMetaParser in libRadioKit.a(XMLMetaParser.o)
  ".objc_class_name_NSDate", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
  ".objc_class_name_NSValue", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
  ".objc_class_name_NSScanner", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
  ".objc_class_name_NSCharacterSet", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
  ".objc_class_name_NSAutoreleasePool", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
      pointer-to-literal-objc-class-name in libRadioKit.a(XMLMetaParser.o)
      pointer-to-literal-objc-class-name in libRadioKit.a(reachability.o)
  ".objc_class_name_NSFileManager", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
  ".objc_class_name_NSURLConnection", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
      pointer-to-literal-objc-class-name in libRadioKit.a(XMLMetaParser.o)
  ".objc_class_name_NSThread", referenced from:
      pointer-to-literal-objc-class-name in libRadioKit.a(AudioStreamEngine.o)
  .....(etc)
ld: symbol(s) not found for architecture i386
collect2: ld returned 1 exit status