From 77565add6e648575f6b1adb5228a4c11048320bf Mon Sep 17 00:00:00 2001
From: Nick Curtis <nicholas.curtis@amd.com>
Date: Thu, 7 Apr 2022 17:54:20 -0400
Subject: [PATCH] Add C++14 to Makefile build system

Change-Id: I24f72b4aaca93a49877775c3d181507c83cd7f82
---
 lib/gpu/Makefile.hip | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/gpu/Makefile.hip b/lib/gpu/Makefile.hip
index d5391f7d6b..9b6087bcc3 100644
--- a/lib/gpu/Makefile.hip
+++ b/lib/gpu/Makefile.hip
@@ -28,6 +28,11 @@ HIP_HOST_INCLUDE += -I./
 # path to hipcub
 HIP_HOST_INCLUDE += -I$(HIP_PATH)/../include
 
+ifeq (amd,$(HIP_PLATFORM))
+	# newer version of ROCm (5.1+) require c++14 for rocprim
+	HIP_OPTS += -std=c++14
+endif
+
 # use mpi
 HIP_HOST_OPTS += -DMPI_GERYON -DUCL_NO_EXIT
 # this settings should match LAMMPS Makefile