When I do:

% cd src/libs/geometry
% rm *.o
% make clean

I get:

--- Compiling matrix.cpp (C++)
--- Compiling vector.cpp (C++)
--- Compiling printable.cpp (C++)
--- Compiling transformable.cpp (C++)
--- Compiling hom_transform.cpp (C++)
--- Compiling hom_coord.cpp (C++)
--- Compiling hom_point.cpp (C++)
--- Compiling hom_vector.cpp (C++)
--- Compiling hom_polar.cpp (C++)
--- Compiling hom_pose.cpp (C++)
--- Compiling hom_pose_2d.cpp (C++)
--- Compiling bezier.cpp (C++)
--- Compiling spline.cpp (C++)
--- Compiling line_segment.cpp (C++)
=== Linking lib libfawkesgeometry ---
--> Entering sub-directory gtk ---
   --> Cleaning up directory /home/jkirk/workspace/fawkes-nao/fawkes/src/libs/geometry/gtk
--> Entering sub-directory qa ---
   --> Cleaning up directory /home/jkirk/workspace/fawkes-nao/fawkes/src/libs/geometry/qa
--> Cleaning up directory /home/jkirk/workspace/fawkes-nao/fawkes/src/libs/geometry

It seems that it has something to do with the following commit but I can not figure out how to fix it:

[1]  http://bit.ly/asSVez

Seems trivial for someone with more Makefile-experience.