message(" USER_PREFIX: ${prefix}")
message(" INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}")
message("")
+
+if(HAVE_GTNETS)
+message("INFO -->> Take care to have export LD_LIBRARY_PATH before run make command for make examples with gtnets")
+message("copy and paste : export LD_LIBRARY_PATH=${gtnets_path}/lib/:$LD_LIBRARY_PATH")
+
+message("")
+message("")
+endif(HAVE_GTNETS)