I copy files from src folder to cocos2d-x/extensions/spine and get about 30 errors:
/Users/minimac/Desktop/cocos2d-x/extensions/spine/CCSkeleton.h:52:37: Unknown type name 'SkeletonData'; did you mean 'cocos2d::extension::SkeletonData'?
/Users/minimac/Desktop/cocos2d-x/extensions/spine/CCSkeleton.h:74:2: Unknown type name 'Bone'
/Users/minimac/Desktop/cocos2d-x/extensions/spine/CCSkeletonAnimation.h:44:110: Unknown type name 'EventType'
"unknown type" like SkeletonData can be found seems like something is different with namespace, did i miss something?