set LIB64 cmake variable when on 64bit system
set LIB64 cmake variable when on 64bit system

scamille/simbody,robojukie/simbody,simbody/simbody,chrisdembia/simbody,chrisdembia/simbody,elkingtonmcb/simbody,elen4/simbody,Gjacquenot/simbody,scamille/simbody,robojukie/simbody,elkingtonmcb/simbody,elkingtonmcb/simbody,Gjacquenot/simbody,simbody/simbody,Gjacquenot/simbody,scamille/simbody,robojukie/simbody,chrisdembia/simbody,elen4/simbody