we now generate thread_local.h

ChangeLog

 
+2016-11-18 Lynn Garren <garren@fnal.gov> 
+
+  * cmake: Add the ability to build single threaded if desired.
+    Multihreading remains enabled by default.
+    Use cmake -DCLHEP_SINGLE_THREAD=ON to disable multithreading.
+  * Utility/thread_local.h will be generated appropriately
+
 2016-11-11 Gabriele Cosmo <Gabriele.Cosmo@cern.ch>
 
   * Random/Random/mixmax.h: corrected value of SPECIALMUL in mixmax.h to correspond to

Utility/ChangeLog

+
+2016-11-18 Lynn Garren <garren@fnal.gov> 
+
+  * Utility/thread_local.h will be generated as part 
+    of enabling either a single or multi threaded build
+
 ==============================
 26.08.16 Release CLHEP-2.3.3.2
 ==============================

Utility/Utility/thread_local.h

-#ifndef CLHEP_THREAD_LOCAL_H
-#define CLHEP_THREAD_LOCAL_H
-
-// ======================================================================
-//
-// Use thread_local when the compiler declares it uses the C++11 standard
-//
-// ======================================================================
-#ifdef CLHEP_SINGLE_THREAD
-  #define CLHEP_THREAD_LOCAL
-#else
-  #if __cplusplus >= 201103L
-
-    #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 7)
-      #define CLHEP_THREAD_LOCAL thread_local
-    #elif __clang__
-      #if __has_feature(cxx_thread_local)
-	#define CLHEP_THREAD_LOCAL thread_local
-      #else
-	#define CLHEP_THREAD_LOCAL
-      #endif
-    #else
-      #define CLHEP_THREAD_LOCAL
-    #endif
-
-  #else
-    #define CLHEP_THREAD_LOCAL
-  #endif
-#endif
-
-#endif // CLHEP_THREAD_LOCAL_H