lio-sam运行过程及遇到的问题

 /usr/bin/ld: 找不到 -lBoost::timer

    
 collect2: error: ld returned 1 exit status
    
 LIO-SAM_based_relocalization-master/CMakeFiles/lio_sam_imuPreintegration.dir/build.make:759: recipe for target '/home/robot/robot_ws/devel/lib/lio_sam/lio_sam_imuPreintegration' failed
    
 make[2]: *** [/home/robot/robot_ws/devel/lib/lio_sam/lio_sam_imuPreintegration] Error 1
    
 CMakeFiles/Makefile2:2991: recipe for target 'LIO-SAM_based_relocalization-master/CMakeFiles/lio_sam_imuPreintegration.dir/all' failed
    
 make[1]: *** [LIO-SAM_based_relocalization-master/CMakeFiles/lio_sam_imuPreintegration.dir/all] Error 2
    
 make[1]: *** 正在等待未完成的任务....

    find_package(Boost REQUIRED COMPONENTS timer)

 source devel/setup.bash

    
 roslaunch lio_sam run.launch

 sudo apt-get install -y ros-melodic-navigation

    
 sudo apt-get install -y ros-melodic-robot-localization
    
 sudo apt-get install -y ros-melodic-robot-state-publisher

    rosbag play your-bag.bag -r 3

   rosservice call [service] [resolution] [destination]

    
  rosservice call /lio_sam/save_map 0.2 "/Downloads/LOAM/"