COCOS2DX 编译IOS问题

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d: warning: ignoring file /Users/wenbinwu/Library/Developer/Xcode/DerivedData/MyCppGame-fbpcrzkehoplongebtwwozjvtpro/Build/Products/Debug-iphonesimulator/libcocos2d iOS.a, file was built for archive which is not the architecture being linked (i386): /Users/wenbinwu/Library/Developer/Xcode/DerivedData/MyCppGame-fbpcrzkehoplongebtwwozjvtpro/Build/Products/Debug-iphonesimulator/libcocos2d iOS.a
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_CCEAGLView", referenced from:
objc-class-ref in AppController.o
"SoundEngine::ResumeSound()", referenced from:
AppDelegate::applicationWillEnterForeground() in AppDelegate.o
"SoundEngine::PausSound()", referenced from:
AppDelegate::applicationDidEnterBackground() in AppDelegate.o
"SoundEngine::SoundEngine()", referenced from:
工程在VS2012下编译正常 拷贝到MAC上 编译报这个错误，求大神指点。。。