diff -d -urpN busybox.6/applets/usage_compressed busybox.7/applets/usage_compressed
--- busybox.6/applets/usage_compressed	2010-09-12 17:00:39.000000000 +0200
+++ busybox.7/applets/usage_compressed	2010-09-16 13:20:34.934648327 +0200
@@ -9,6 +9,12 @@ test -x "$loc/usage" || exit 1
 test "$SED" || SED=sed
 test "$DD" || DD=dd
 
+true | od -v -t x1 >/dev/null
+if test $? != 0; then
+	echo 'od tool is not installed or cannot accept "-v -t x1" options'
+	exit 1
+fi
+
 exec >"$target.$$"
 
 echo '#define UNPACKED_USAGE "" \'
