ref: b506c6489bfcb2dcaa8a99b8f1f574688b3cffc5 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