{
  TString o;
  // customize MakeSharedLib
  o = TString(gSystem->GetMakeSharedLib());
  o = o.ReplaceAll(" -c ", " -std=c++11 -c ");
  gSystem->SetMakeSharedLib(o.Data());
  // customize MakeExe
  o = TString(gSystem->GetMakeExe());
  o = o.ReplaceAll(" -c ", " -std=c++11 -c ");
  gSystem->SetMakeExe(o.Data());
  gSystem->AddIncludePath(" -I$STREAMSYS/include -I$GO4SYS/include ");
}