Makefile        this does all the work

robot/          code staging area
  simulink/
  mex/
  examples/
  demos/
  info/         xml and html doco
    html/       autogen doco
common/     
simulink/

tmpdoc/         staging area for documentation build

html/           autogen HTML doco for the web

The results are:
robot.tgz       output file
robot.zip       output file

these are images of {robot,common,simulink} directories here.