From 79762b063961601f7ca0bf62be851033ed1e01de Mon Sep 17 00:00:00 2001
From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Sun, 16 Sep 2018 22:27:47 +0200
Subject: [PATCH] Only instantiate VectorizedArrAy::n_array_elements for
 vectorization enabled

---
 source/base/vectorization.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/base/vectorization.cc b/source/base/vectorization.cc
index 5876d07d2d..1cc3fe6de6 100644
--- a/source/base/vectorization.cc
+++ b/source/base/vectorization.cc
@@ -17,7 +17,9 @@
 
 DEAL_II_NAMESPACE_OPEN
 
+#if DEAL_II_COMPILER_VECTORIZATION_LEVEL >= 1
 const unsigned int VectorizedArray<double>::n_array_elements;
 const unsigned int VectorizedArray<float>::n_array_elements;
+#endif
 
 DEAL_II_NAMESPACE_CLOSE
-- 
2.39.5