ref: 3ad7388b7424d20f343d12b4f2282fc6d3938e9e 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