Add -std=c++17 back into kokkos/helloworld/Makefile.
@@ -47,7 +47,7 @@ endif
INCLUDES = -I$(KOKKOS_ROOT)/include
TARGET_FLAGS = -fopenmp -fopenmp-targets=$(AOMP_GPUTARGET) -Xopenmp-target=$(AOMP_GPUTARGET) -march=$(AOMP_GPU)
-CPPFLAGS = $(INCLUDES) -Wall -Wextra -O3 -DNDEBUG -w $(TARGET_FLAGS) -DGTEST_HAS_PTHREAD=0 -DGTEST_HAS_TR1_TUPLE=0 -DKOKKOS_DEPENDENCE -DKOKKOS_WORKAROUND_OPENMPTARGET_CLANG
+CPPFLAGS = $(INCLUDES) -Wall -Wextra -O3 -DNDEBUG -w $(TARGET_FLAGS) -std=c++17 -DGTEST_HAS_PTHREAD=0 -DGTEST_HAS_TR1_TUPLE=0 -DKOKKOS_DEPENDENCE -DKOKKOS_WORKAROUND_OPENMPTARGET_CLANG
LINKFLAGS = $(enableopt) -Wall -Wextra -O3 -DNDEBUG -w $(TARGET_FLAGS)
# Archive may be at lib64 for non-debian systems.
