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mon projet a été buied dans OS 3.0réseau Erreur joignabilité: dans iPhone OS 4
mais maintenant je veux faire quelques changements avec os 4.
donc quand je lance mon projet dans Xcode 3.2.4.
je reçois ces erreurs ......
ld: warning: in /Users/abc/SystemConfiguration.framework/SystemConfiguration, missing required architecture i386 in file
ld: warning: in /Users/abc/libz.1.2.3.dylib, missing required architecture i386 in file
Undefined symbols:
"_SCNetworkReachabilityScheduleWithRunLoop", referenced from:
-[ReachabilityQuery startListeningForReachabilityChanges:onRunLoop:] in Reachability.o
"_SCNetworkReachabilityGetFlags", referenced from:
-[Reachability remoteHostStatus] in Reachability.o
-[Reachability isHostReachable:] in Reachability.o
-[Reachability isNetworkAvailableFlags:] in Reachability.o
-[Reachability isAdHocWiFiNetworkAvailableFlags:] in Reachability.o
"_SCNetworkReachabilityCreateWithAddress", referenced from:
-[Reachability reachabilityRefForAddress:] in Reachability.o
-[Reachability isNetworkAvailableFlags:] in Reachability.o
-[Reachability isAdHocWiFiNetworkAvailableFlags:] in Reachability.o
"_SCNetworkReachabilityUnscheduleFromRunLoop", referenced from:
-[Reachability stopListeningForReachabilityChanges] in Reachability.o
"_SCNetworkReachabilityCreateWithName", referenced from:
-[Reachability reachabilityRefForHostName:] in Reachability.o
-[Reachability isHostReachable:] in Reachability.o
"_SCNetworkReachabilitySetCallback", referenced from:
-[ReachabilityQuery startListeningForReachabilityChanges:onRunLoop:] in Reachability.o
ld: symbol(s) not found
collect2: ld returned 1 exit status