SCNetworkReachability编译错误

Question

我试图编译Ercia Sadun的示例代码在这里,但这个错误想出了:

warning: in /Users/interdev/iphone source code/Web Browser/Classes/SystemConfiguration.framework/SystemConfiguration, missing required architecture i386 in file
    Undefined symbols:
      "_SCNetworkReachabilityScheduleWithRunLoop", referenced from:
          +[UIDevice(Reachability) scheduleReachabilityWatcher:] in UIDevice-Reachability.o
      "_SCNetworkReachabilityCreateWithAddress", referenced from:
          +[UIDevice(Reachability) hostAvailable:] in UIDevice-Reachability.o
          +[UIDevice(Reachability) pingReachabilityInternal] in UIDevice-Reachability.o
      "_SCNetworkReachabilityUnscheduleFromRunLoop", referenced from:
          +[UIDevice(Reachability) unscheduleReachabilityWatcher] in UIDevice-Reachability.o
      "_SCNetworkReachabilitySetCallback", referenced from:
          +[UIDevice(Reachability) scheduleReachabilityWatcher:] in UIDevice-Reachability.o
          +[UIDevice(Reachability) scheduleReachabilityWatcher:] in UIDevice-Reachability.o
          +[UIDevice(Reachability) unscheduleReachabilityWatcher] in UIDevice-Reachability.o
      "_SCNetworkReachabilityGetFlags", referenced from:
          +[UIDevice(Reachability) hostAvailable:] in UIDevice-Reachability.o
          +[UIDevice(Reachability) pingReachabilityInternal] in UIDevice-Reachability.o
    ld: symbol(s) not found
    collect2: ld returned 1 exit status
        "_SCNetworkReachabilityScheduleWithRunLoop", referenced from:
            +[UIDevice(Reachability) scheduleReachabilityWatcher:] in UIDevice-Reachability.o
        "_SCNetworkReachabilityCreateWithAddress", referenced from:
            +[UIDevice(Reachability) hostAvailable:] in UIDevice-Reachability.o
            +[UIDevice(Reachability) pingReachabilityInternal] in UIDevice-Reachability.o
        "_SCNetworkReachabilityUnscheduleFromRunLoop", referenced from:
            +[UIDevice(Reachability) unscheduleReachabilityWatcher] in UIDevice-Reachability.o
        "_SCNetworkReachabilitySetCallback", referenced from:
            +[UIDevice(Reachability) scheduleReachabilityWatcher:] in UIDevice-Reachability.o
            +[UIDevice(Reachability) scheduleReachabilityWatcher:] in UIDevice-Reachability.o
            +[UIDevice(Reachability) unscheduleReachabilityWatcher] in UIDevice-Reachability.o
        "_SCNetworkReachabilityGetFlags", referenced from:
            +[UIDevice(Reachability) hostAvailable:] in UIDevice-Reachability.o
            +[UIDevice(Reachability) pingReachabilityInternal] in UIDevice-Reachability.o
      ld: symbol(s) not found
      collect2: ld returned 1 exit status
    Build failed (5 errors)

...即使我添加了systemConfiguration.framework,它也报告了同样的错误.为什么会这样做,我怎样才能使它工作？

Answer 1

您添加了哪个SystemConfiguration.framework？第一行清楚地说明了

警告:在/Users/interdev/iphone source code/Web Browser/Classes/SystemConfiguration.framework/SystemConfiguration,缺少文件中所需的架构i386

但是你应该添加一个SDK /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk/System/Library/Frameworks.

应该通过项目右键菜单中的"添加现有框架..."添加框架.