string(REGEX MATCH "${HAVE_NS3_LIB}" operation "$ENV{LD_LIBRARY_PATH}")
if(NOT operation)
message(STATUS "Warning: To use NS-3 don't forget to set LD_LIBRARY_PATH with: export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${HAVE_NS3_LIB}")
string(REGEX MATCH "${HAVE_NS3_LIB}" operation "$ENV{LD_LIBRARY_PATH}")
if(NOT operation)
message(STATUS "Warning: To use NS-3 don't forget to set LD_LIBRARY_PATH with: export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${HAVE_NS3_LIB}")