ref: f3285bceba6a6f2d50a85c98b226caf1ff7265b9
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