cmake error when compiling

[walid-el]

i get this error when i compile my workspace, whats the problem, and how can i solve it ...

CMake Warning at livox_ros_driver/CMakeLists.txt:140 (add_executable): Cannot generate a safe linker search path for target livox_ros_driver_node because files in some directories may conflict with libraries in implicit directories:

link library [libpcl_kdtree.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_search.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_features.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_sample_consensus.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_filters.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_ml.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_segmentation.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_surface.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_common.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_octree.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib
link library [libpcl_io.so] in /usr/lib/x86_64-linux-gnu may be hidden by files in:
  /usr/local/lib

Some of these libraries may not be found correct