--- usr/src/nv/makefile.org	2009-11-26 20:42:38.000000000 +0100
+++ usr/src/nv/makefile	2009-11-26 20:43:07.000000000 +0100
@@ -37,9 +37,7 @@
 CC ?= cc
 HOST_CC ?= $(CC)
 
-ifndef ARCH
- ARCH := $(shell uname -m | sed -e 's/i.86/i386/')
-endif
+ARCH = $(shell uname -m | sed -e 's/i.86/i386/')
 
 CONFTEST := sh ./conftest.sh "$(CC)" "$(HOST_CC)" $(ARCH) $(KERNEL_SOURCES) $(KERNEL_OUTPUT)