Merge branch 'ducc0' into new_data_structure

src/ducc0/infra/threading.cc

@@ -29,6 +29,7 @@
 #include <queue>
 #include <atomic>
 #include <vector>
+#include <exception>
 #if __has_include(<pthread.h>)
 #include <pthread.h>
 #endif
@@ -110,11 +111,12 @@ template <typename T> class concurrent_queue
 class thread_pool
   {
   private:
-#if __cpp_lib_hardware_interference_size >= 201603
-    struct alignas(std::hardware_destructive_interference_size) worker
-#else
+//FIXME: temporary ... OSX seems to set the macro, but not to have the variable  
+//#if __cpp_lib_hardware_interference_size >= 201603
+//    struct alignas(std::hardware_destructive_interference_size) worker
+//#else
     struct alignas(64) worker
-#endif
+//#endif
       {
       std::thread thread;
       std::condition_variable work_ready;
@@ -400,7 +402,7 @@ void Distribution::thread_map(std::function<void(Scheduler &)> f)
     }
   counter.wait();
   if (ex)
-    rethrow_exception(ex);
+    std::rethrow_exception(ex);
   }
 
 void execSingle(size_t nwork, std::function<void(Scheduler &)> func)