Lines of dumpon.init from check-in 47c6cc1171 that are changed by the sequence of edits moving toward check-in 716b0393df:

                         1: # vim:ft=make:
                         2: 
                         3: DUMPDEV?=no
                         4: 
                         5: dumpon: random
47c6cc1171 2019-10-20    6: .if empty(DUMPDEV:tl:Mno)
                         7: 	: Setting dumpon device.
47c6cc1171 2019-10-20    8: 	dumpon -v ${DUMPDEV}
47c6cc1171 2019-10-20    9: .endif