From 0c1efa523582a2b9f6121b2da036016ada623894 Mon Sep 17 00:00:00 2001
From: gfilaci <gianluca.filaci@gmail.com>
Date: Wed, 7 Aug 2019 12:11:18 +0100
Subject: [PATCH] pass OpenMP flag to host compiler

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index ed7b9a17..b8f94fce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -287,6 +287,9 @@ case ${CXX} in
     CXX="nvcc -x cu "
     CXXLD="nvcc -link"
     CXXFLAGS="$CXXFLAGS -Xcompiler -fno-strict-aliasing -Xcompiler -Wno-unusable-partial-specialization --expt-extended-lambda --expt-relaxed-constexpr"
+    if test $ac_openmp = yes; then
+       CXXFLAGS="$CXXFLAGS -Xcompiler -fopenmp"
+    fi
     ;;
   *)
     CXXLD=${CXX}