ref: 0ca1aa01a7df8a4a15a0580dd5401ad8c4d26595 dir: /sys/src/cmd/diff/mkfile/
< /$objtype/mkfile TARG=diff merge3 OFILES=\ diffdir.$O\ diffio.$O\ diffreg.$O\ util.$O HFILES=diff.h BIN=/$objtype/bin </sys/src/cmd/mkmany