ref: 7ffe9c7f4214be8ae5e1e0357585b2df0c05cf41
dir: /sys/src/libgeometry/mkfile/
</$objtype/mkfile LIB=/$objtype/lib/libgeometry.a OFILES=\ point.$O\ matrix.$O\ quaternion.$O\ rframe.$O\ triangle.$O\ utils.$O\ fmt.$O\ HFILES=\ /sys/include/geometry.h </sys/src/cmd/mksyslib