OpenCVを呼ぶと(No such file or directory)と言われる件。
http://forum.openframeworks.cc/index.php?topic=7112.0
ヘッダーサーチパスに以下を追加。
XcodeのProject>build settings>search path>header search path
$(OF_PATH)/addons/ofxOpenCv/src $(OF_PATH)/addons/ofxOpenCv/libs/opencv/include $(OF_PATH)/addons/ofxOpenCv/libs/opencv/include/opencv