text: // @(#)root/vmc:$Id$
  // Author: Ivana Hrivnacova, 29/04/2014
  
  /*************************************************************************
   * Copyright (C) 2014, Rene Brun and Fons Rademakers.                    *
   * All rights reserved.                                                  *
   *                                                                       *
   * For the licensing terms see $ROOTSYS/LICENSE.                         *
   * For the list of contributors see $ROOTSYS/README/CREDITS.             *
   *************************************************************************/
  
  // ********************************************************************
  // * License and Disclaimer                                           *
  // *                                                                  *
  // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  // * conditions of the Geant4 Software License,  included in the file *
  // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  // * include a list of copyright holders.                             *
  // *                                                                  *
  // * Neither the authors of this software system, nor their employing *
  // * institutes,nor the agencies providing financial support for this *
  // * work  make  any representation or  warranty, express or implied, *
  // * regarding  this  software system or assume any liability for its *
  // * use.  Please see the license in the file  LICENSE  and URL above *
  // * for the full disclaimer and the limitation of liability.         *
  // *                                                                  *
  // * This  code  implementation is the result of  the  scientific and *
  // * technical work of the GEANT4 collaboration.                      *
  // * By using,  copying,  modifying or  distributing the software (or *
  // * any work based  on the software)  you  agree  to acknowledge its *
  // * use  in  resulting  scientific  publications,  and indicate your *
  // * acceptance of all terms of the Geant4 Software license.          *
  // ********************************************************************
  
  #ifndef ROOT_TMCtls
  #define ROOT_TMCtls
  
  // Thread Local Storage typedefs
  //
  // According to Geant4 tls.hh and G4Threading.hh
  
  // Always build with thread support but keep a possibility to introduce
  // a build option
  #define VMC_MULTITHREADED 1
  
  #if ( defined (VMC_MULTITHREADED) )
  
  #if (defined(__MACH__) && defined(__clang__) && defined(__x86_64__)) || (defined(__linux__) && defined(__clang__))
  #if (__has_feature(cxx_thread_local))
  #define TMCThreadLocalStatic static thread_local
  #define TMCThreadLocal thread_local
  #else
  #define TMCThreadLocalStatic static __thread
  #define TMCThreadLocal __thread
  #endif
  
  #elif ((defined(__linux__) || defined(__MACH__)) && !defined(__INTEL_COMPILER) && defined(__GNUC__) && \
         (__GNUC__ >= 4 && __GNUC_MINOR__ < 9))
  #define TMCThreadLocalStatic static __thread
  #define TMCThreadLocal thread_local
  
  #elif ((defined(__linux__) || defined(__MACH__)) && !defined(__INTEL_COMPILER) && defined(__GNUC__) && \
            (__GNUC__ >= 4 && __GNUC_MINOR__ >= 9) ||                                                    \
         __GNUC__ >= 5)
  #define TMCThreadLocalStatic static thread_local
  #define TMCThreadLocal thread_local
  
  #elif ((defined(__linux__) || defined(__MACH__)) && defined(__INTEL_COMPILER))
  #if (__INTEL_COMPILER >= 1500)
  #define TMCThreadLocalStatic static thread_local
  #define TMCThreadLocal thread_local
  #else
  #define TMCThreadLocalStatic static __thread
  #define TMCThreadLocal __thread
  #endif
  #else
  //#  error "No Thread Local Storage (TLS) technology supported for this platform. Use sequential build !"
  #define TMCThreadLocalStatic static
  #define TMCThreadLocal
  #endif
  #else
  #define TMCThreadLocalStatic static
  #define TMCThreadLocal
  #endif
  
  #endif //ROOT_TMCtls
  