CC_PROPERTY_PASS_BY_REF macro with cocos2d::CCPoint compile error

cocos2d-x C++
#1

OS: win32
VERSION: cocos2d-2.1rc0-x-2.1.3
PLATFORM: win32

class GameMediator : public cocos2d::CCObject {
public:
~GameMediator();
bool init();

static GameMediator* sharedMediator();

CC_SYNTHESIZE_RETAIN(HexDefense*, *gameLayer, GameLayer);
//CC_SYNTHESIZE_RETAIN;
CC_SYNTHESIZE_RETAIN;
CC_SYNTHESIZE_RETAIN;
CC_SYNTHESIZE_RETAIN;
CC_SYNTHESIZE_RETAIN;
CC_SYNTHESIZE_RETAIN;
CC_SYNTHESIZE_RETAIN;
CC_SYNTHESIZE_RETAIN;
CC_PROPERTY_PASS_BY_REF;

void setStartPoint;
CCPoint getStartPoint;
private:
CCPoint*startPoint;
};

get error message:
1>GameMediator.obj : error LNK2001: 无法解析的外部符号 “public: virtual void *thiscall GameMediator::setOffset"
1>GameMediator.obj : error LNK2001: 无法解析的外部符号 "public: virtual class cocos2d::CCPoint const &*thiscall GameMediator::getOffset(void)” (?getOffset@GameMediator@UAEABVCCPointcocos2d@@XZ)
1>J:2d-2.1rc0-x-2.1.3\Release.win32\TowerDefense.exe : fatal error LNK1120: 2 个无法解析的外部命令

Thanks.