link library [libfftw3f.so] in /usr/lib64 may be hidden by files in: /usr/local/lib/ITK-4.13

Does anyone get this warning during the building process? Is this something to worry about or just ignore?

 CMake Warning at /usr/share/cmake/Modules/UseSWIG.cmake:210 (add_library):
   Cannot generate a safe linker search path for target _Core because files in
   some directories may conflict with libraries in implicit directories:

     link library [libfftw3f.so] in /usr/lib64 may be hidden by files in:
       /usr/local/lib/ITK-4.13
     link library [libfftw3f_threads.so] in /usr/lib64 may be hidden by files in:
       /usr/local/lib/ITK-4.13
     link library [libfftw3.so] in /usr/lib64 may be hidden by files in:
       /usr/local/lib/ITK-4.13
     link library [libfftw3_threads.so] in /usr/lib64 may be hidden by files in:
       /usr/local/lib/ITK-4.13

   Some of these libraries may not be found correctly.
 Call Stack (most recent call first):
   CMakeLists.txt:361 (SWIG_ADD_MODULE)
   Code/SWIG/CMakeLists.txt:37 (GEN_SWIG_MODULE)



 CMake Warning at /usr/share/cmake/Modules/FindCUDA.cmake:1441 (add_library):
   Cannot generate a safe linker search path for target PyCA because files in
   some directories may conflict with libraries in implicit directories:

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