kmod: fixed cross-compiling by explicitely using --with-sysroot when not building natively

base/kmod/kmod.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../kmod/kmod.conf
-# Copyright (C) 2012 The OpenSDE Project
+# Copyright (C) 2012 - 2013 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -18,6 +18,11 @@ set_confopt
 # always build a static library
 var_append extraconfopt ' ' "--enable-static"
 
+# explicitely use --with-sysroot when not building native
+if ! atstage native; then
+	var_append extraconfopt ' ' "--with-sysroot=$root"
+fi
+
 # enable handling of compressed modules if possible
 for x in zlib xz; do 
 	if pkginstalled -f $x; then