我在做Apple Core Data Tutorial,并于第一次对我建议建项目,我得到这个错误:奇怪的错误
Ld /Users/user/Library/Developer/Xcode/DerivedData/Locations-fajvunxiruohofbhzimrgekrpnqh/Build/Products/Debug-iphonesimulator/Locations.app/Locations normal i386
cd "/Users/user/Documents/xcode projects/Locations"
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/llvm-gcc-4.2 -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk -L/Users/user/Library/Developer/Xcode/DerivedData/Locations-fajvunxiruohofbhzimrgekrpnqh/Build/Products/Debug-iphonesimulator -F/Users/user/Library/Developer/Xcode/DerivedData/Locations-fajvunxiruohofbhzimrgekrpnqh/Build/Products/Debug-iphonesimulator -filelist /Users/user/Library/Developer/Xcode/DerivedData/Locations-fajvunxiruohofbhzimrgekrpnqh/Build/Intermediates/Locations.build/Debug-iphonesimulator/Locations.build/Objects-normal/i386/Locations.LinkFileList -mmacosx-version-min=10.6 -Xlinker -objc_abi_version -Xlinker 2 -framework UIKit -framework Foundation -framework CoreGraphics -framework CoreData -o /Users/user/Library/Developer/Xcode/DerivedData/Locations-fajvunxiruohofbhzimrgekrpnqh/Build/Products/Debug-iphonesimulator/Locations.app/Locations
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_CLLocationManager", referenced from:
objc-class-ref in RootViewController.o
"_kCLLocationAccuracyNearestTenMeters", referenced from:
-[RootViewController locationManager] in RootViewController.o
ld: symbol(s) not found for architecture i386
collect2: ld returned 1 exit status
我在Xcode 4.0.2的Mac OS X 10.6.8。这可能是什么原因?我一步一步地跟着教程,完全不知道会出现什么问题。
它解决它!非常感谢。 –