ref: a5a475be2a9d72c7e60bcc6f5b013ca655384d7a 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