follow this: [install xgboost on mac os x] https://www.ibm.com/developerworks/community/blogs/jfp/entry/Installing_XGBoost_on_Mac_OSX?lang=en
caveats: *use this during compile *make clean_all && make -j4
follow this: [install xgboost on mac os x] https://www.ibm.com/developerworks/community/blogs/jfp/entry/Installing_XGBoost_on_Mac_OSX?lang=en
caveats: *use this during compile *make clean_all && make -j4