ref: ca2589a116ffc67710f4ec1deb9df212ec8aad0e dir: /sys/src/libpcm/mkfile/
</$objtype/mkfile LIB=/$objtype/lib/libpcm.a OFILES=\ conv.$O\ desc.$O\ HFILES=\ /sys/include/pcm.h\ fir.h\ </sys/src/cmd/mksyslib