It should do that in automatic: cross-references always behave as links. There must be something wrong with your LibO install. Which version do you use on which operative system?
I did see how they jumped. I just had to add spaces between the lines. Worked perfectly.
I have LO 6.1.1 in Win 10.
I just got it to work. Now I have to figure out what exactly I just did!
Got to figure out what I just did…