Index: tools/build/distcc_hash
===================================================================
--- tools/build/distcc_hash	(revision 6716d7836e0b9ad9ef228067f20cf7f185f2532f)
+++ tools/build/distcc_hash	(revision 6716d7836e0b9ad9ef228067f20cf7f185f2532f)
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+tools=$( dirname "${BASH_SOURCE[0]}" )
+path=$(readlink -f ${tools}/../../$1)
+
+hash=$(openssl dgst -sha256 <<< $path)
+echo "${hash: -10}"