From 10116b3be8730507876336b92490a82d39000f50 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ed.ac.uk>
Date: Wed, 6 Mar 2024 01:13:27 +0000
Subject: [PATCH] Force device copyable and tell SYCL to shut it.

---
 Grid/tensors/Tensor_traits.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Grid/tensors/Tensor_traits.h b/Grid/tensors/Tensor_traits.h
index 98bc3986..536e17f1 100644
--- a/Grid/tensors/Tensor_traits.h
+++ b/Grid/tensors/Tensor_traits.h
@@ -404,3 +404,12 @@ NAMESPACE_BEGIN(Grid);
   };
 NAMESPACE_END(Grid);
 
+
+#ifdef GRID_SYCL
+template<typename T> struct
+sycl::is_device_copyable<T, typename std::enable_if<
+			      Grid::isGridTensor<T>::value  && (!std::is_trivially_copyable<T>::value),
+			      void>::type>
+  : public std::true_type {};
+#endif
+