ref: 18bd1a92e5d8cb39e474bb3e4a1bd1d2a614a0dd dir: /sys/src/9/pc/pcmkfile/
PCFILES=`{../port/mkfilelist ../pc} ^($PCFILES)\.$O:R: '../pc/\1.c' $CC $CFLAGS -.I. ../pc/$stem1.c