当我尝试启动应用程序时，如下所示获取构建错误。无法启动任何应用程序。使用XCode 4.6。
dyld: Symbol not found: _audit_token_to_egid Referenced from:
/System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfigurati Expected in:
/Users/easwar/Softwares/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Develo
per/SDKs/iPhoneSimulator6.1.sdk/usr/lib/libbsm.0.dyl in
/System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguratio2014-06-
08 20:26:20.127 ibtoold[2696:507] Init failed: Error Domain=IBMessageChannelErrorDomain Code=1
"The operation couldn’t be completed. (IBMessageChannelErrorDomain error 1.)"2014-06-08
20:26:20.128 ibtoold[2696:507] [MT] DVTAssertions: Warning in
/SourceCache/IDEInterfaceBuilderCocoaTouch/IDEInterfaceBuilderCocoaTouch-
2083/IBPlugin/Utilities/IBObjectMarshalling.m:309Details: IBAttachToCocoaTouchTool() failed:
Error Domain=com.apple.InterfaceBuilder Code=-1 "Interface Builder encountered an error
communicating with the iOS Simulator." UserInfo=0x4011b2080 {NSUnderlyingError=0x400a26de0
"The operation couldn’t be completed. (IBMessageChannelErrorDomain error 1.)",
NSLocalizedDescription=Interface Builder encountered an error communicating with the iOS
Simulator., NSLocalizedRecoverySuggestion=Please check Console.app for crash reports for
"Interface Builder Cocoa Touch Tool" for further information.,
NSLocalizedFailureReason="Interface Builder Cocoa Touch Tool" (2697) failed to launch and
exited with status (null), signal 5.}Function: id<IBCocoaTouchTool>
IBAttachToCocoaTouchToolFailingGracefully(IBCocoaTouchTargetRuntime *, NSError **)Thread:
<NSThread: 0x400409be0>{name = (null), num = 1}Please file a bug at http://bugreport.apple.com
with this warning message and any useful information you can provide.2014-06-08 20:26:20.182
ibtoold[2696:507] [MT] DVTAssertions: ASSERTION FAILURE in
/SourceCache/IDEInterfaceBuilderCocoaTouch/IDEInterfaceBuilderCocoaTouch-
\2083/IBPlugin/Utilities/IBObjectMarshalling.m:39Details: Failed to launch cocoa touch tool:
Error Domain=com.apple.InterfaceBuilder Code=-1 "Interface Builder encountered an error
communicating with the iOS Simulator." UserInfo=0x4011b2080 {NSUnderlyingError=0x400a26de0
"The operation couldn’t be completed. (IBMessageChannelErrorDomain error 1.)",
NSLocalizedDescription=Interface Builder encountered an error communicating with the iOS
Simulator., NSLocalizedRecoverySuggestion=Please check Console.app for crash reports for
"Interface Builder Cocoa Touch Tool" for further information.,
NSLocalizedFailureReason="Interface Builder Cocoa Touch Tool" (2697) failed to launch and
exited with status (null), signal 5.}Object: <NSThread: 0x400409be0>Method: -
cocoaTouchToolForTargetRuntime:Thread: <NSThread: 0x400409be0>{name = (null), num = 1}Hints:
NoneBacktrace: 0 0x0000000100c6d6b3 -[DVTAssertionHandler
handleFailureInMethod:object:fileName:lineNumber:messageFormat:arguments:] (in DVTFoundatio 1
0x0000000100c6d4e4 _DVTAssertionFailureHandler (in DVTFoundatio 2 0x00000001051510c6 (in
IDEInterfaceBuilderCocoaTouchIntegratio 3 0x00000001051c49fa (in
IDEInterfaceBuilderCocoaTouchIntegratio 4 0x00000001051c499f (in
IDEInterfaceBuilderCocoaTouchIntegratio 5 0x00007fff85c0028d _dispatch_client_callout (in
libdispatch.dyli 6 0x00007fff85c001fc dispatch_once_f (in libdispatch.dyli 7
0x00000001051c4952 (in IDEInterfaceBuilderCocoaTouchIntegratio 8 0x00000001051c23ff (in
IDEInterfaceBuilderCocoaTouchIntegratio 9 0x00000001051c2378 (in
IDEInterfaceBuilderCocoaTouchIntegratio 10 0x00000001051c2528 (in
IDEInterfaceBuilderCocoaTouchIntegration 11 0x00000001051c4e2e (in
IDEInterfaceBuilderCocoaTouchIntegration 12 0x0000000105162b4f (in \IDEInterfaceBuilderCocoaTouchIntegration 13 0x000000010515bddb (inIDEInterfaceBuilderCocoaTouchIntegration 14 0x00000001004120ad __51-[IBDocumentUnarchiver
unarchiveObjectFromElement:]_block_invoke (in IDEInterfaceBuilderKit 15 0x0000000100410f22 -
[IBDocumentUnarchiver recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 16
0x0000000100411f03 -[IBDocumentUnarchiver unarchiveObjectFromElement:] (in
IDEInterfaceBuilderKit 17 0x0000000100412691 __50-[IBDocumentUnarchiver
unarchiveArrayFromElement:]_block_invoke (in IDEInterfaceBuilderKit 18 0x0000000100410f22 -
[IBDocumentUnarchiver recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 19
0x0000000100412512 -[IBDocumentUnarchiver unarchiveArrayFromElement:] (in
IDEInterfaceBuilderKit 20 0x0000000100270b47 -[NSView(IBDocumentArchivingGenerator)
unarchiveWithDocumentUnarchiver:] (in IDEInterfaceBuilderKit 21 0x0000000105162b38 (in
IDEInterfaceBuilderCocoaTouchIntegration 22 0x00000001004120ad __51-[IBDocumentUnarchiver
unarchiveObjectFromElement:]_block_invoke (in IDEInterfaceBuilderKit 23 0x0000000100410f22 -
[IBDocumentUnarchiver recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 24
0x0000000100411f03 -[IBDocumentUnarchiver unarchiveObjectFromElement:] (in
IDEInterfaceBuilderKit 25 0x0000000105163478 (in IDEInterfaceBuilderCocoaTouchIntegration 26
0x00000001004120ad __51-[IBDocumentUnarchiver unarchiveObjectFromElement:]_block_invoke (in
IDEInterfaceBuilderKit 27 0x0000000100410f22 -[IBDocumentUnarchiver
recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 28 0x0000000100411f03 -
[IBDocumentUnarchiver unarchiveObjectFromElement:] (in IDEInterfaceBuilderKit 29
0x0000000100412691 __50-[IBDocumentUnarchiver unarchiveArrayFromElement:]_block_invoke (in
IDEInterfaceBuilderKit 30 0x0000000100410f22 -[IBDocumentUnarchiver
recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 31 0x0000000100412512 -
[IBDocumentUnarchiver unarchiveArrayFromElement:] (in IDEInterfaceBuilderKit 32
0x0000000105217e31 (in IDEInterfaceBuilderCocoaTouchIntegration 33 0x0000000100410f22 -
[IBDocumentUnarchiver recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 34
0x000000010041482c -[IBDocumentUnarchiverGroupMember(unarchiveContentWithBlock)
unarchiveContentWithBlock:] (in IDEInterfaceBuilderKit 35 0x0000000105217d1d (in
IDEInterfaceBuilderCocoaTouchIntegration 36 0x000000010041373c -[IBDocumentUnarchiver
enumerateGroupMembers:] (in IDEInterfaceBuilderKit 37 0x0000000105217c5a (in
IDEInterfaceBuilderCocoaTouchIntegration 38 0x0000000100410f22 -[IBDocumentUnarchiver
recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 39 0x000000010041355d -[IBDocumentUnarchiver enterGroupWithName:optionalKey:usingBlock:] (in IDEInterfaceBuilderKit 40 0x0000000105217bd9 (in IDEInterfaceBuilderCocoaTouchIntegration 41 0x000000010027f049 -[IBDocument unarchiveDocument:] (in IDEInterfaceBuilderKit 42 0x0000000105218203 (in IDEInterfaceBuilderCocoaTouchIntegration 43 0x0000000100410f22 -[IBDocumentUnarchiver recurseWithElement:kind:invokingBlock:] (in IDEInterfaceBuilderKit 44 0x00000001004110f6 -[IBDocumentUnarchiver unarchiveDocument:] (in IDEInterfaceBuilderKit 45 0x0000000100279cfb __47-[IBDocument readFromFileWrapper:ofType:error:]_block_invoke (in IDEInterfaceBuilderKit 46 0x000000010029cea4 -[IBDocument runBlockInNewArbitrationStackEntryWithBehavior:block:] (in IDEInterfaceBuilderKit 47 0x0000000100279b14 -[IBDocument readFromFileWrapper:ofType:error:] (in IDEInterfaceBuilderKit 48 0x0000000105174019 (in IDEInterfaceBuilderCocoaTouchIntegration 49 0x000000010521582c (in IDEInterfaceBuilderCocoaTouchIntegration 50 0x0000000105174094 (in IDEInterfaceBuilderCocoaTouchIntegration 51 0x00007fff8f249098 -[NSDocument readFromURL:ofType:error:] (in AppKit 52 0x00000001002742d1 __39-[IBDocument readFromURL:ofType:error:]_block_invoke (in IDEInterfaceBuilderKit 53 0x0000000100296f9a -[IBDocument invokeWithUndoSuppressed:] (in IDEInterfaceBuilderKit 54 0x000000010027408d -[IBDocument readFromURL:ofType:error:] (in IDEInterfaceBuilderKit 55 0x0000000100170170 (in ibtoold 56 0x000000010016c50f (in ibtoold 57 0x000000010016b792 (in ibtoold 58 0x000000010016b640 (in ibtoold 59 0x0000000100177f5d (in ibtoold 60 0x000000010016b1a2 (in ibtoold 61 0x000000010016f2ad (in ibtoold 62 0x0000000100169f74 (in ibtooldCommand /Users/easwar/Softwares/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/ibtool failed with exit code 255
如果您有任何想法，请提出建议吗？
提前致谢..
答案 0 :(得分：0)
我认为您可能需要链接系统配置框架。
我主要是在猜测，这是正在研究：
audit_token_to_egid和found搜索源代码中的引用SCNetworkConnection。SCNetworkConnection是系统配置的一部分。