/usr/local/include/boost/system/error_code.hpp: At global scope:
/usr/local/include/boost/system/error_code.hpp:214: warning: 'boost::system::posix_category' defined but not used
/usr/local/include/boost/system/error_code.hpp:215: warning: 'boost::system::errno_ecat' defined but not used
/usr/local/include/boost/system/error_code.hpp:216: warning: 'boost::system::native_ecat' defined but not used
gmake[3]: *** [CMakeFiles/rosbag.dir/src/recorder.o] Error 1
gmake[3]: Leaving directory `/wrkdirs/usr/ports/devel/ros_comm/work/ros_comm-1.4.8/tools/rosbag/build'