ref: d497eb2d2f88e3ae7fd7b2a4594aededed75468e dir: /sys/src/cmd/nusb/ptp/mkfile/
</$objtype/mkfile BIN=/$objtype/bin/nusb LIB=../lib/usb.a$O TARG=ptp HFILES=../lib/usb.h OFILES=ptp.$O </sys/src/cmd/mkone CFLAGS=-I../lib $CFLAGS