Index: ati-9.10/common/lib/modules/fglrx/build_mod/make.sh
===================================================================
--- ati-9.10/common/lib/modules/fglrx/build_mod/make.sh
+++ ati-9.10/common/lib/modules/fglrx/build_mod/make.sh	2009-11-01 21:10:05.480455766 +0200
@@ -72,6 +72,8 @@
 # ==============================================================
 # parse options
 
+kernel_dir=
+
 while [ $# -gt 0 ]; do
     case $1 in
         --norootcheck)
@@ -127,6 +129,15 @@
             fi
             shift
             ;;
+        --kernel-dir*)
+            if echo $1 | grep '=' >/dev/null ; then
+                kernel_dir=`echo $1 | sed 's/^.*=//'`
+            else
+                kernel_dir="$2"
+                shift
+            fi
+            shift
+            ;;
     esac
 done
 
@@ -155,6 +166,10 @@
 # ==============================================================
 # assing default location of linux kernel headers
 
+if [ -n "$kernel_dir" ]; then
+  linuxbuild=$kernel_dir
+  linuxsources=$linuxbuild
+else
 linuxbuild=/usr/src/linux
 linuxsources=$linuxbuild
 
@@ -163,6 +177,7 @@
     linuxbuild=/lib/modules/${uname_r}/build
     linuxsources=/lib/modules/${uname_r}/source
 fi
+fi
 
 linuxincludes=$linuxbuild/include
 
@@ -419,6 +434,7 @@
     MODFLAGS="$CFLAGS_MODULE" \
     CFLAGS_MODULE="$CFLAGS_MODULE" \
     KVER=${uname_r} \
+    KDIR=${kernel_dir} \
     PAGE_ATTR_FIX=$PAGE_ATTR_FIX \
     > tlog 2>&1 
 
Index: ati-9.10/common/lib/modules/fglrx/build_mod/2.6.x/Makefile
===================================================================
--- ati-9.10/common/lib/modules/fglrx/build_mod/2.6.x/Makefile
+++ ati-9.10/common/lib/modules/fglrx/build_mod/2.6.x/Makefile	2009-11-01 21:10:05.498445357 +0200
@@ -75,7 +75,9 @@
 	KVER        = $(shell uname -r)
 endif
 
-KDIR            = /lib/modules/$(KVER)/build
+ifeq ($(KDIR),)
+	KDIR        = /lib/modules/$(KVER)/build
+endif
 PWD             = $(shell pwd)
 
 fglrx-cfiles    = ${fglrx-c-objs:.o=.c}