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我嘗試在設備上運行時出現此錯誤。當我在模擬器上運行它時，它工作正常。在iPhone上運行時出錯，在模擬器上正常運行
這是我的錯誤：
Ld "/Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Products/Debug-iphoneos/Munch Box.app/Munch Box" normal armv7s
cd "/Users/xxx/Projects/xCode Projects/Munch Box"
setenv IPHONEOS_DEPLOYMENT_TARGET 6.1
setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.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 armv7s -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.1.sdk -L/Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Products/Debug-iphoneos -F/Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Products/Debug-iphoneos -filelist "/Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Intermediates/Munch Box.build/Debug-iphoneos/Munch Box.build/Objects-normal/armv7s/Munch Box.LinkFileList" -dead_strip -fobjc-arc -fobjc-link-runtime -stdlib=libc++ -miphoneos-version-min=6.1 -framework CoreLocation -framework MapKit /Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Products/Debug-iphoneos/libqrencoder.a -framework UIKit -framework Foundation -framework CoreGraphics -o "/Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Products/Debug-iphoneos/Munch Box.app/Munch Box"
ld: warning: ignoring file /Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Products/Debug-iphoneos/libqrencoder.a, file was built for archive which is not the architecture being linked (armv7s): /Users/xxx/Library/Developer/Xcode/DerivedData/Munch_Box-ebibgicdmigfwdbgfdcshfqvxxrc/Build/Products/Debug-iphoneos/libqrencoder.a
Undefined symbols for architecture armv7s:
"_OBJC_CLASS_$_QREncoder", referenced from:
objc-class-ref in TodaysCodeViewController.o
ld: symbol(s) not found for architecture armv7s
clang: error: linker command failed with exit code 1 (use -v to see invocation)
你有看看http://stackoverflow.com/questions/6429494/undefined-symbols-for-architecture-armv7？ – AreYouSure 2013-02-27 19:35:32
是的，我試過了，我所有的庫都添加了。 – 2013-02-27 19:52:21