rp::hal::Event::EVENT_TIMEOUT’ from ‘int’ to ‘long unsigned int’

[cakarmustactalone]

Hi ,

I am using ROS-Noetic on my Arch-Linux , I followed the guide for building and visualization tutorial in this section https://github.com/robopeak/rplidar_ros/wiki but when I try to build it I got this warning:

/home/user/Projects/ROS/catkin_ws/src/rplidar_ros-master/sdk/src/arch/linux/net_socket.cpp: In member function ‘virtual u_result rp::net::SocketAddress::getAddressAsString(char*, size_t) const’:
/home/user/Projects/ROS/catkin_ws/src/rplidar_ros-master/sdk/src/arch/linux/net_socket.cpp:170:15: error: ordered comparison of pointer with integer zero (‘const char*’ and ‘int’)
170 | return ans<=0?RESULT_OPERATION_FAIL:RESULT_OK;
| ~~~^~~
/home/user/Projects/ROS/catkin_ws/src/rplidar_ros-master/sdk/src/rplidar_driver.cpp: In member function ‘virtual u_result rp::standalone::rplidar::RPlidarDriverImplCommon::grabScanData(rplidar_response_measurement_node_t*, size_t&, _u32)’:
/home/user/Projects/ROS/catkin_ws/src/rplidar_ros-master/sdk/src/rplidar_driver.cpp:1704:26: error: narrowing conversion of ‘rp::hal::Event::EVENT_TIMEOUT’ from ‘int’ to ‘long unsigned int’ [-Wnarrowing]
1704 | case rp::hal::Event::EVENT_TIMEOUT:
| ^~~~~~~~~~~~~
/home/user/Projects/ROS/catkin_ws/src/rplidar_ros-master/sdk/src/rplidar_driver.cpp: In member function ‘virtual u_result rp::standalone::rplidar::RPlidarDriverImplCommon::grabScanDataHq(rplidar_response_measurement_node_hq_t*, size_t&, _u32)’:
/home/user/Projects/ROS/catkin_ws/src/rplidar_ros-master/sdk/src/rplidar_driver.cpp:1733:26: error: narrowing conversion of ‘rp::hal::Event::EVENT_TIMEOUT’ from ‘int’ to ‘long unsigned int’ [-Wnarrowing]
1733 | case rp::hal::Event::EVENT_TIMEOUT:
| ^~~~~~~~~~~~~
make[2]: *** [rplidar_ros-master/CMakeFiles/rplidarNode.dir/build.make:104: rplidar_ros-master/CMakeFiles/rplidarNode.dir/sdk/src/arch/linux/net_socket.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [rplidar_ros-master/CMakeFiles/rplidarNode.dir/build.make:146: rplidar_ros-master/CMakeFiles/rplidarNode.dir/sdk/src/rplidar_driver.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:1489: rplidar_ros-master/CMakeFiles/rplidarNode.dir/all] Error 2
make: *** [Makefile:146: all] Error 2
Invoking "make -j8 -l8" failed

Any help ? thanks!

[deyouslamtec]

Please use this repo:rplidar_ros