--- /dev/null
+Index: ZD1211LnxDrv_2_22_0_0/Makefile
+===================================================================
+--- ZD1211LnxDrv_2_22_0_0.orig/Makefile 2010-12-13 15:10:36.000000000 +0000
++++ ZD1211LnxDrv_2_22_0_0/Makefile 2010-12-13 15:13:30.000000000 +0000
+@@ -5,10 +5,10 @@
+ #\r
+ \r
+ HOST=\r
+-CC=$(HOST)gcc\r
+-LD=$(HOST)ld\r
+-KERN_VER=$(shell uname -r | cut -b1-3;)\r
+-KDIR := /lib/modules/$(shell uname -r)/build\r
++CC?=$(HOST)gcc\r
++LD?=$(HOST)ld\r
++KERN_VER ?= $(shell uname -r | cut -b1-3;)\r
++KDIR ?= /lib/modules/$(shell uname -r)/build\r
+ PWD := $(shell pwd)\r
+ \r
+ SUBDIRS=.\r
+@@ -17,10 +17,10 @@
+ \r
+ ifeq ($(KERN_VER), 2.6) \r
+ KERN_26=y\r
+- KERNEL_SOURCE=/usr/src/linux-2.6.9\r
++ KERNEL_SOURCE?=/usr/src/linux-2.6.9\r
+ else \r
+ KERN_24=y\r
+- KERNEL_SOURCE=/usr/src/linux-2.4\r
++ KERNEL_SOURCE?=/usr/src/linux-2.4\r
+ endif\r
+ \r
+ SRC_DIR=src\r
+@@ -28,7 +28,7 @@
+ \r
+ \r
+ KERNRELEASE := $(shell uname -r;)\r
+-MODPATH := /lib/modules/$(KERNRELEASE)\r
++MODPATH ?= /lib/modules/$(KERNRELEASE)\r
+ \r
+ \r
+ \r