xcode 加入-ObjC 编译不通过

Cocos2d-x
#1

duplicate symbol OBJC_CLASS_GCControllerConnectionEventHandler in: /Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx iOS.a(CCController-iOS.o) /Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx-extensions iOS.a(CCController-iOS.o) duplicate symbol _OBJC_METACLASS__GCControllerConnectionEventHandler in:
/Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx iOS.a(CCController-iOS.o)
/Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx-extensions iOS.a(CCController-iOS.o)
duplicate symbol OBJC_IVAR_GCControllerConnectionEventHandler.__disconnectionBlock in: /Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx iOS.a(CCController-iOS.o) /Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx-extensions iOS.a(CCController-iOS.o) duplicate symbol _OBJC_IVAR__GCControllerConnectionEventHandler.__connectionBlock in:
/Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx iOS.a(CCController-iOS.o)
/Users/mohansihai/Library/Developer/Xcode/DerivedData/znlGame-dudoyqugvvhmfgfbsnvfgaldgnmr/Build/Products/Debug-iphoneos/libcocos2dx-extensions iOS.a(CCController-iOS.o)
ld: 17 duplicate symbols for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

other linker flag 参数：-ObjC -licucore

如果没有-ObjC是没有问题的

#2

自己顶一下

#3

再顶，坐等大神

#4

你接了第三方sdk了？