Undefine a convenience macro.
Undefine a convenience macro.

simbody/simbody,scamille/simbody,robojukie/simbody,elkingtonmcb/simbody,elkingtonmcb/simbody,robojukie/simbody,elkingtonmcb/simbody,robojukie/simbody,Gjacquenot/simbody,scamille/simbody,chrisdembia/simbody,chrisdembia/simbody,chrisdembia/simbody,Gjacquenot/simbody,scamille/simbody,simbody/simbody,Gjacquenot/simbody