Ld /Users/rajeshmedampudi/Library/Developer/Xcode/DerivedData/sampleResource-flngddqnaawregcrrshzpianssjc/Build/Products/Debug-iphonesimulator/sampleResource.app/sampleResource normal i386
cd /Users/rajeshmedampudi/Dropbox/Work/iphone/sampleResource
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/rajeshmedampudi/Library/Developer/Xcode/DerivedData/sampleResource-flngddqnaawregcrrshzpianssjc/Build/Products/Debug-iphonesimulator -F/Users/rajeshmedampudi/Library/Developer/Xcode/DerivedData/sampleResource-flngddqnaawregcrrshzpianssjc/Build/Products/Debug-iphonesimulator -filelist /Users/rajeshmedampudi/Library/Developer/Xcode/DerivedData/sampleResource-flngddqnaawregcrrshzpianssjc/Build/Intermediates/sampleResource.build/Debug-iphonesimulator/sampleResource.build/Objects-normal/i386/sampleResource.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 -framework UIKit -framework Foundation -framework CoreGraphics -o /Users/rajeshmedampudi/Library/Developer/Xcode/DerivedData/sampleResource-flngddqnaawregcrrshzpianssjc/Build/Products/Debug-iphonesimulator/sampleResource.app/sampleResource
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_User", referenced from:
objc-class-ref in AppDelegate.o
"_OBJC_CLASS_$_AuthenticationViewController", referenced from:
objc-class-ref in AppDelegate.o
"_OBJC_CLASS_$_AppHelpers", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
这是我在尝试运行文件时遇到的错误...我已经将这些类从另一个项目导入到这个非基于弧的类并转换为ARC。在成功删除所有对autorelease的引用并从中保留后，我收到此错误。
答案 0 :(得分：2)
您是否尝试过Product-＆gt; Clean？ 或者重启XCode？ 您确定已将所有内容都包含在目标 - ＆gt;构建阶段 - ＆gt;编译源中吗？ Xcode为你做这件事，但有时它会错过。