From: Daniel Arndt <arndtd@ornl.gov>
Date: Mon, 29 Jul 2019 22:12:48 +0000 (+0000)
Subject: Fix compiling with CUDA
X-Git-Tag: v9.2.0-rc1~1334^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F8431%2Fhead;p=dealii.git

Fix compiling with CUDA
---

diff --git a/cmake/checks/check_01_cpu_features.cmake b/cmake/checks/check_01_cpu_features.cmake
index b36f8e7cc0..6ed6d6b64c 100644
--- a/cmake/checks/check_01_cpu_features.cmake
+++ b/cmake/checks/check_01_cpu_features.cmake
@@ -290,6 +290,15 @@ IF(DEAL_II_HAVE_ALTIVEC)
   SET(DEAL_II_COMPILER_VECTORIZATION_LEVEL 1)
 ENDIF()
 
+#
+# 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"
+#
+
+IF(DEAL_II_WITH_CUDA)
+  SET(DEAL_II_COMPILER_VECTORIZATION_LEVEL 0)
+ENDIF()
 
 #
 # If we have OpenMP SIMD support (i.e. DEAL_II_HAVE_OPENMP_SIMD is true)
diff --git a/include/deal.II/base/config.h.in b/include/deal.II/base/config.h.in
index a86966b272..18c4f7ecb1 100644
--- a/include/deal.II/base/config.h.in
+++ b/include/deal.II/base/config.h.in
@@ -116,14 +116,7 @@
  */
 
 #cmakedefine DEAL_II_WORDS_BIGENDIAN
-// 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 DEAL_II_WITH_CUDA
-#  define DEAL_II_COMPILER_VECTORIZATION_LEVEL 0
-#else
-#  define DEAL_II_COMPILER_VECTORIZATION_LEVEL @DEAL_II_COMPILER_VECTORIZATION_LEVEL@
-#endif
+#define DEAL_II_COMPILER_VECTORIZATION_LEVEL @DEAL_II_COMPILER_VECTORIZATION_LEVEL@
 #define DEAL_II_OPENMP_SIMD_PRAGMA @DEAL_II_OPENMP_SIMD_PRAGMA@