Index: test/run_tests.sh
--- test/run_tests.sh.orig
+++ test/run_tests.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 # Simple test script adapted from Matt Dillon's 2.16  release.
 # It's harder to do this in a Makefile, so let's use a script.
@@ -71,7 +71,7 @@ do
 	    then
 		echo "		file [$NAME.hex.ref] missing	FAILED!" 
 	    else
-		diff -bBduw $NAME.hex $NAME.hex.ref >$NAME.hex.diff
+		diff -bduw $NAME.hex $NAME.hex.ref >$NAME.hex.diff
 		echo "		binaries differ	FAILED!" 
 	    fi
 	    fail="$[$fail+1]"