g3libs.C

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//------------------------------------------------
// The Virtual Monte Carlo examples
// Copyright (C) 2007 - 2014 Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see geant4_vmc/LICENSE.
// Contact: root-vmc@cern.ch
//-------------------------------------------------
 
/// \file g3libs.C
/// \brief Macro for loading Geant3 libraries
 
#if !defined(__CINT__) || defined(__MAKECINT__)
 
#include <iostream>
 
#include <TSystem.h>
#include <TString.h>
 
#endif
 
namespace g3libUtilities {
  Bool_t isLibrary(const char* libName)
  {
  /// Helper function which testes the existence of the given library
  /// \param libName  The library name
 
    if (TString(gSystem->DynamicPathName(libName, kTRUE)) != TString(""))
      return kTRUE;
    else
      return kFALSE;
  }
}
 
void g3libs()
{
/// Macro function for loading Geant3 libraries
 
  // VMC library (optional)
  if ( g3libUtilities::isLibrary("libVMCLibrary") ) {
    cout << "Loading VMC library ..." << endl;
    gSystem->Load("libVMCLibrary");
  }
 
  if (g3libUtilities::isLibrary("libdummies"))
     gSystem->Load("libdummies");
                   // libdummies.so needed from geant3_+vmc version 0.5
 
  // Load  geant3 library
  gSystem->Load("libgeant321");
 
  cout << "Loading Geant3 libraries ... finished" << endl;
}