if PYTHIA8 is defined and not PYTHIA8DATA then create PYTHIA8DATA based on PYTHIA8.
if PYTHIA8 is defined and not PYTHIA8DATA then create PYTHIA8DATA based on
PYTHIA8.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@38712 27541ba8-7e3a-0410-8455-c3a389f83636

bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical