diff -ruN bcache-tools-20130827.orig/configure bcache-tools-20130827/configure
--- bcache-tools-20130827.orig/configure	1970-01-01 01:00:00.000000000 +0100
+++ bcache-tools-20130827/configure	2013-08-31 15:12:41.093218432 +0200
@@ -0,0 +1 @@
+#!/bin/sh