void build(const char *filename,const char *lib = 0, const char *obj = 0) 
{
  

  if (obj!=0 && strlen(obj) ) 
  {
    
    TString s = gSystem->GetMakeSharedLib();
    TString r(" $ObjectFiles ");
    r.Append(obj);
    s.ReplaceAll(" $ObjectFiles",r);
    gSystem->SetMakeSharedLib(s);
    
  }
  
  if (lib && strlen(lib)) 
  {
    
    TString liblist(lib);
    TObjArray *libs = liblist.Tokenize(" ");
    TIter iter(libs);
    TObjString *objstr;
    while ( (objstr=(TObjString*)iter.Next()) ) 
    {
      gSystem->Load(objstr->String());
    }
  }
  
  int result = gSystem->CompileMacro(filename,"kc");
  if (!result) gApplication->Terminate(1);
  
}