ref: a4c6dc1d3d3a2ef3ec4d4ac49b16ec039c353cd7 dir: /sys/src/9/pc/pcmkfile/
PCFILES=`{../port/mkfilelist ../pc} ^($PCFILES)\.$O:R: '../pc/\1.c' $CC $CFLAGS -.I. ../pc/$stem1.c