ref: 835d20a095ef12d9c6054d752241ed8b7d3cd20c
dir: /sys/src/libsec/amd64/mkfile/
objtype=amd64
</$objtype/mkfile
LIB=/$objtype/lib/libsec.a
FILES=\
chachablock\
md5block\
sha1block\
aesni\
HFILES=/sys/include/libsec.h
SFILES=${FILES:%=%.s}
OFILES=${FILES:%=%.$O}
UPDATE=mkfile\
$HFILES\
$SFILES\
</sys/src/cmd/mksyslib