Disable vectorization with CUDA

diff --git a/include/deal.II/base/config.h.in b/include/deal.II/base/config.h.in
index 346a759ce61d551c4868f9456a817c29b62e2f30..44e174ef1ef67d76b17ea765c2151367ab228d96 100644 (file)
--- a/include/deal.II/base/config.h.in
+++ b/include/deal.II/base/config.h.in
@@ -118,7 +118,7 @@
 // We need to disable SIMD vectorization for CUDA device code.
 // Otherwise, nvcc compilers from version 9 on will emit an error message like:
 // "[...] contains a vector, which is not supported in device code"
-#ifdef __CUDA_ARCH__
+#ifdef DEAL_II_WITH_CUDA
 #  define DEAL_II_COMPILER_VECTORIZATION_LEVEL 0
 #else
 #  define DEAL_II_COMPILER_VECTORIZATION_LEVEL @DEAL_II_COMPILER_VECTORIZATION_LEVEL@