ref: 302960b66c5b7c642eabe2bfa19b3c5346c1629d dir: /sys/src/libsec/arm/mkfile/
objtype=arm </$objtype/mkfile LIB=/$objtype/lib/libsec.a OFILES= HFILES=/sys/include/libsec.h </sys/src/cmd/mksyslib