XMPP无法在iOS 4.3项目上运行

Question

在My Xcode项目中,我集成了XMPP框架.它在iOS 5.1模拟器上运行良好.当我尝试在iOS 4.3模拟器上运行该项目时,我收到以下错误:

dyld: lazy symbol binding failed: Symbol not found: _objc_storeStrong
  Referenced from: /Users/admin/Library/Application Support/iPhone Simulator/4.3.2/Applications/67451DE6-EFC1-4313-9A29-C2C641F727C6/AppName.app/AppName
  Expected in: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk/System/Library/Frameworks/Foundation.framework/Foundation

dyld: Symbol not found: _objc_storeStrong
  Referenced from: /Users/admin/Library/Application Support/iPhone Simulator/4.3.2/Applications/67451DE6-EFC1-4313-9A29-C2C641F727C6/AppName.app/AppName
  Expected in: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk/System/Library/Frameworks/Foundation.framework/Foundation

以下代码行发生错误:xmppStream = [[XMPPStream alloc] init];

进一步调试后,我发现此处发生错误:

- (id)init
{
    if ((self = [super init])) //**CRASH WHEN EXECUTING THIS STATEMENT
    {
        // Common initialization
        [self commonInit];

        // Initialize socket
        asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:xmppQueue];
    }
    return self;
}

我整合XMPP的项目不是ARC.所以我在所有XMPP文件中添加了-fobjc-arc.XMPP库提供的示例项目在iOS 4.3模拟器上运行良好.任何人都可以帮我解决这个错误吗？
Xcode版本:4.3.3
iOS:iOS 4.3模拟器

Answer 1

如果 XMPP 需要 ARC 并且您显式关闭它，则会发生这种链接器错误。-fno-objc-arc尝试从 XMPP 文件中删除并添加-fobjc-arc项目的其他链接器标志。更多信息