+ifeq ($(shell uname -m),x86_64)
+vpp_march = corei7 # Nehalem Instruction set
+vpp_mtune = corei7-avx # Optimize for Sandy Bridge
+vpp_dpdk_arch = corei7
+else ifeq ($(shell uname -m),aarch64)
+ifeq ($(TARGET_PLATFORM),thunderx)
+vpp_march = armv8-a+crc
+vpp_mtune = thunderx
+vpp_dpdk_arch = armv8a
+vpp_dpdk_target = arm64-thunderx-linuxapp-gcc
+else
+vpp_march = native
+vpp_mtune = generic
+vpp_dpdk_arch = native
+endif
+endif