ref: f3f4111f3e9f9fec452c9550c9c2bb5905c2f09d dir: /sys/src/libsec/spim/mkfile/
objtype=spim </$objtype/mkfile LIB=/$objtype/lib/libsec.a HFILES=/sys/include/libsec.h OFILES=\ </sys/src/cmd/mksyslib