--- old/make/linux/makefiles/gcc.make	2014-12-11 13:52:44.582903464 -0500
+++ new/make/linux/makefiles/gcc.make	2014-12-11 13:52:44.322926489 -0500
@@ -172,6 +172,7 @@
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32 -march=i586
 ARCHFLAG/amd64   = -m64 $(STACK_ALIGNMENT_OPT)
+ARCHFLAG/aarch64 =
 ARCHFLAG/ia64    =
 ARCHFLAG/sparc   = -m32 -mcpu=v9
 ARCHFLAG/sparcv9 = -m64 -mcpu=v9