jackymao1999 / tianbot_mini_webots Goto Github PK

description：[100%] Linking CXX executable /home/zio/catkin_test_ws/devel/lib/tianbot_mini_webots/tianbot_line_follow
/usr/bin/ld: /usr/local/lib/libopencv_core.a(opencl_core.cpp.o): undefined reference to symbol 'dlclose@@GLIBC_2.2.5'
/usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/libdl.so: 无法添加符号: DSO missing from command line
collect2: error: ld returned 1 exit status。
system: ubuntu18.04
wbots:2020b
opencv: 4.2
编译出现这种问题，我尝试更改链接不同路径下的libdl.so，但是都没有解决，请问您有什么思路吗？