ref: 83efe2f157743feb3f5b6bbb1e34ee56ab3a6dad 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