您好，在编译(每一个tag)的时候会报错，报错如下：
[ 93%] Building CXX object lidar_localization/CMakeFiles/front_end_node.dir/src/sensor_data/gnss_data.cpp.o[100%] Linking CXX executable /home/s/ros_ws/devel/lib/lidar_localization/front_end_nodeCMakeFiles/front_end_node.dir/build/CMakeFiles/3.5.1/CompilerIdCXX/CMakeCXXCompilerId.cpp.o: In function main:CMakeCXXCompilerId.cpp:(.text.startup+0x0): multiple definition of main'
CMakeFiles/front_end_node.dir/src/front_end_node.cpp.o:front_end_node.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
lidar_localization/CMakeFiles/front_end_node.dir/build.make:974: recipe for target '/home/s/ros_ws/devel/lib/lidar_localization/front_end_node' failed
suyunzzz
commented
4 years ago
您好，在编译(每一个tag)的时候会报错，报错如下：
[ 93%] Building CXX object lidar_localization/CMakeFiles/front_end_node.dir/src/sensor_data/gnss_data.cpp.o[100%] Linking CXX executable /home/s/ros_ws/devel/lib/lidar_localization/front_end_nodeCMakeFiles/front_end_node.dir/build/CMakeFiles/3.5.1/CompilerIdCXX/CMakeCXXCompilerId.cpp.o: In function main:CMakeCXXCompilerId.cpp:(.text.startup+0x0): multiple definition of main'CMakeFiles/front_end_node.dir/src/front_end_node.cpp.o:front_end_node.cpp:(.text.startup+0x0): first defined herecollect2: error: ld returned 1 exit statuslidar_localization/CMakeFiles/front_end_node.dir/build.make:974: recipe for target '/home/s/ros_ws/devel/lib/lidar_localization/front_end_node' failedmake[2]: *** [/home/s/ros_ws/devel/lib/lidar_localization/front_end_node] Error 1CMakeFiles/Makefile2:492: recipe for target 'lidar_localization/CMakeFiles/front_end_node.dir/all' failedmake[1]: *** [lidar_localization/CMakeFiles/front_end_node.dir/all] Error 2Makefile:138: recipe for target 'all' failedmake: *** [all] Error 2Invoking "make -j12 -l12" failed请问这可能是什么原因？