ref: eb8b9ee63822d9a750a6507af00f33c5faf2d3a7
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