From 8a8122874b4dd33f6b935b9a691766c49a4cbfcc Mon Sep 17 00:00:00 2001
From: Rohit Santhanam <rohit.santhanam@amd.com>
Date: Thu, 9 Dec 2021 08:04:19 +0000
Subject: [PATCH] Build unit tests for HIP using C++14.

---
 cmake/EigenTesting.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/EigenTesting.cmake b/cmake/EigenTesting.cmake
index 3fce0f561..a03f0f4b0 100644
--- a/cmake/EigenTesting.cmake
+++ b/cmake/EigenTesting.cmake
@@ -28,7 +28,7 @@ macro(ei_add_test_internal testname testname_with_suffix)
     set(is_gpu_test ON)
     if(EIGEN_TEST_HIP)
       hip_reset_flags()
-      hip_add_executable(${targetname} ${filename} HIPCC_OPTIONS "-DEIGEN_USE_HIP ${ARGV2}")
+      hip_add_executable(${targetname} ${filename} HIPCC_OPTIONS "-DEIGEN_USE_HIP -std=c++14 ${ARGV2}")
     elseif(EIGEN_TEST_CUDA_CLANG)
       set_source_files_properties(${filename} PROPERTIES LANGUAGE CXX)