--- x/eclass/linux-info.eclass	2013-01-24 21:01:00.000000000 +0100
+++ y/eclass/linux-info.eclass	2013-01-27 13:25:34.792750707 +0100
@@ -116,7 +116,11 @@
 
 # Overwritable environment Var's
 # ---------------------------------------
+KERNEL_VER="${KERNEL_VER:-$(uname -r)}"
+KERNEL_DIR="${KERNEL_DIR:-$(readlink -f ${ROOT}lib/modules/$KERNEL_VER/source)}"
 KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
+KBUILD_OUTPUT="${KBUILD_OUTPUT:-$(readlink -f ${ROOT}lib/modules/$KERNEL_VER/build)}"
+unset KERNEL_VER
 
 
 # Bug fixes