From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Sun, 16 Sep 2018 20:27:47 +0000 (+0200)
Subject: Only instantiate VectorizedArrAy::n_array_elements for vectorization enabled
X-Git-Tag: v9.1.0-rc1~713^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F7198%2Fhead;p=dealii.git

Only instantiate VectorizedArrAy::n_array_elements for vectorization enabled
---

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