Wikitude

Phonegap ,wikitude,

Hello .I am newbie in the ios development and wikitude,

I am planning on trying out the Wikitude samples for ios in xcode 5.0 using phonegap cordova plugin and wikitude....  the building phase keep failing.. and here is the mesage error i keep getting: @synthesize of 'weak' property is only allowed in ARC or GC mode

 i have looked for few solutions online but nun has been helpful so far, Need some help.. .