02:56:14 **** Auto Build of configuration Default for project thief ****
make all
CXX obj/release/main.o
CXX obj/release/Classes/AppDelegate.o
CXX obj/release/Classes/HelloWorldScene.o
LINK bin/release/thief
obj/release/Classes/AppDelegate.o: In function `_GLOBAL__sub_I_AppDelegate.cpp':
AppDelegate.cpp:(.text.startup+0x72): undefined reference to `cocos2d::gui::Margin::Margin()'
obj/release/Classes/HelloWorldScene.o: In function `HelloWorld::init()':
HelloWorldScene.cpp:(.text+0x50f): undefined reference to `cocos2d::extension::CCScale9Sprite::create(char const*)'
HelloWorldScene.cpp:(.text+0x53f): undefined reference to `cocos2d::extension::CCEditBox::create(cocos2d::CCSize const&, cocos2d::extension::CCScale9Sprite*, cocos2d::extension::CCScale9Sprite*, cocos2d::extension::CCScale9Sprite*)'
HelloWorldScene.cpp:(.text+0x59c): undefined reference to `cocos2d::extension::CCEditBox::setFontColor(cocos2d::_ccColor3B const&)'
HelloWorldScene.cpp:(.text+0x5ab): undefined reference to `cocos2d::extension::CCEditBox::setPlaceHolder(char const*)'
HelloWorldScene.cpp:(.text+0x5b8): undefined reference to `cocos2d::extension::CCEditBox::setMaxLength(int)'
HelloWorldScene.cpp:(.text+0x5c5): undefined reference to `cocos2d::extension::CCEditBox::setReturnType(cocos2d::extension::KeyboardReturnType)'
obj/release/Classes/HelloWorldScene.o: In function `_GLOBAL__sub_I_HelloWorldScene.cpp':
HelloWorldScene.cpp:(.text.startup+0x72): undefined reference to `cocos2d::gui::Margin::Margin()'
collect2: error: ld returned 1 exit status
make: *** [bin/release/thief] Error 1
02:56:15 Build Finished (took 777ms)
I have added
using namespace cocos2d::extension;
using namespace cocos2d::gui;