need help for android build on mac os :3.0 beta

Font.cpp:146: error: undefined reference to ‘computegradient’
/Applications/document/project/ios/FirstGame/proj.android/…/cocos2d/cocos/2d/CCFont.cpp:147: error: undefined reference to ‘edtaa3’
/Applications/document/project/ios/FirstGame/proj.android/…/cocos2d/cocos/2d/CCFont.cpp:155: error: undefined reference to ‘computegradient’
/Applications/document/project/ios/FirstGame/proj.android/…/cocos2d/cocos/2d/CCFont.cpp:156: error: undefined reference to ‘edtaa3’
collect2: error: ld returned 1 exit status

this is the output
what happen to me?