--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build-configure.sh	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,68 @@
+#!/bin/sh
+
+#
+#    Copyright 2005-2006 Intel Corporation
+# 
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+# 
+#        http://www.apache.org/licenses/LICENSE-2.0
+# 
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+#
+
+
+#
+# Simple script to run various autoconf related commands to generate
+# the configure script. 
+#
+# This should not need to be run often, only when things like library
+# dependencies change or when some changes are made to the configure.ac
+# script. In particular, all generated files are cross-platform
+# and are therefore stored in the version control repository.
+
+echo "build-configure: building aclocal.m4..."
+rm -f aclocal.m4
+cat aclocal/*.ac > aclocal.m4
+
+if [ -d "$1" ] ; then
+    oasys_dir=$1
+
+elif [ -d ../oasys ] ; then
+    oasys_dir=../oasys
+
+elif [ -d /usr/share/oasys ] ; then
+    oasys_dir=/usr/share/oasys
+
+else
+    echo "build-configure: ERROR -- can't find oasys for autoconf macros"
+    exit 1
+fi
+
+echo "build-configure: loading oasys functions from $oasys_dir into aclocal.m4..."
+cat $oasys_dir/aclocal/*.ac >> aclocal.m4
+
+echo "build-configure: running autoheader to build dtn-config.h.in..."
+rm -f dtn-config.h dtn-config.h.in
+autoheader
+
+cat >> dtn-config.h.in <<EOF
+
+/* Include oasys configuration state */
+#include <oasys/oasys-config.h>
+EOF
+
+echo "build-configure: running autoconf to build configure..."
+rm -f configure
+autoconf
+
+echo "build-configure: purging configure cache..."
+rm -rf autom4te.cache
+rm -f config.cache
+
+echo "build-configure: done."