[ 91%] Built target cam_calibration
/home/fang/XP_release/boteye-master/apps/xp_sensor_logger/xp_sensor_logger.cpp:55:12: error: expected constructor, destructor, or type conversion before ‘(’ token
 DEFINE_bool(auto_gain, false, "turn on auto gain");
            ^
...一系列DEFINE_*()函数错误
            ^
/home/fang/XP_release/boteye-master/apps/xp_sensor_logger/xp_sensor_logger.cpp: In function ‘void verify_calibration(const std::vector >&, const std::vector >&, const XP::DuoCalibParam&, const cv::Mat&, const cv::Mat&, cv::Mat*, cv::Mat*)’:
/home/fang/XP_release/boteye-master/apps/xp_sensor_logger/xp_sensor_logger.cpp:154:7: error: ‘FLAGS_calib_verify’ was not declared in this scope
   if (FLAGS_calib_verify) {
       ^
...一系列FLAGS_*_*未定义错误

make[2]: *** [xp_sensor_logger/CMakeFiles/xp_sensor_logger.dir/xp_sensor_logger.cpp.o] 错误 1
make[1]: *** [xp_sensor_logger/CMakeFiles/xp_sensor_logger.dir/all] 错误 2
make: *** [all] 错误 2