ref: a30f99a4e64b55d80e9bd0d4485972a20bfa2a95 dir: /sys/src/cmd/diff/mkfile/
< /$objtype/mkfile TARG=diff OFILES=\ diffdir.$O\ diffio.$O\ diffreg.$O\ main.$O\ HFILES=diff.h BIN=/$objtype/bin </sys/src/cmd/mkone