--- build.orig	Mon Sep 26 21:12:24 2005
+++ build	Sun Sep  2 19:02:32 2007
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 #
 # $Id: build,v 1.35 2005/09/26 11:12:24 wenzelm Exp $
 # Author: Markus Wenzel, TU Muenchen
@@ -23,12 +23,12 @@
 PRG="$(basename "$0")"
 
 ISABELLE_HOME="$(cd "$(dirname "$0")"; pwd -P)"
-source "$ISABELLE_HOME/lib/scripts/getsettings" || exit 2
+. "$ISABELLE_HOME/lib/scripts/getsettings" || exit 2
 
 
 ## diagnostics
 
-function usage()
+usage()
 {
   echo
   echo "Usage: $PRG [OPTIONS] [LOGICS ...]"
@@ -46,7 +46,7 @@
   exit 1
 }
 
-function fail()
+fail()
 {
   echo "$1" >&2
   exit 2
@@ -169,7 +169,7 @@
 
 # build it
 
-SECONDS=0
+SECONDS=$(( `date +'%j * 86400 + %H * 3600 + %M * 60 + %S'` ))
 echo "Started at $(date) ($ML_IDENTIFIER on $(hostname))"
 
 for L in $MAKE_LOGICS