ref: e0a70e7f9c30c06d11c9a9c2175f15bf47decc10
dir: /sys/src/libmp/arm/mkfile/
objtype=arm
</$objtype/mkfile
LIB=/$objtype/lib/libmp.a
SFILES=mpvecdigmuladd.s mpvecdigmulsub.s mpvecadd.s mpvecsub.s
HFILES=/$objtype/include/u.h /sys/include/mp.h ../port/dat.h
OFILES=${SFILES:%.s=%.$O}
</sys/src/cmd/mksyslib