rootcint -f E01dict.cxx -c Ex01MCApplication.h    Ex01MCStack.h  \
  Ex01Particle.h example01LinkDef.h
g++ -g -fPIC -I$ROOTSYS/include -c E01dict.cxx 
g++ -g -fPIC -I$ROOTSYS/include -c Ex01MCApplication.cxx  \
  Ex01MCStack.cxx  Ex01Particle.cxx
g++ -g -Wl,-soname,libE01.so -shared *.o -o libE01.so 
