Lines of dmesg.init from check-in 5062c9b6fc that are changed by the sequence of edits moving toward check-in 8f80b79392:

                         1: # vim:ft=make:
                         2: 
5062c9b6fc 2019-10-19    3: DMESG_FILE?=/var/run/dmesg/boot
                         4: 
                         5: dmesg: mountlate
                         6: 	: Writing dmesg.
                         7: 	umask 022 ; dmesg -a > ${DMESG_FILE}