Index: dpdk/mk/machine/native/rte.vars.mk
===================================================================
--- dpdk.orig/mk/machine/native/rte.vars.mk	2014-04-25 18:53:11.422348174 +0300
+++ dpdk/mk/machine/native/rte.vars.mk	2014-04-25 18:52:44.042348924 +0300
@@ -55,4 +55,6 @@
 # CPU_LDFLAGS =
 # CPU_ASFLAGS =
 
-MACHINE_CFLAGS = -march=native
+MACHINE_CFLAGS_ALT ?= -march=native
+
+MACHINE_CFLAGS = $(MACHINE_CFLAGS_ALT)