source: vbox/trunk/src/VBox/HostDrivers/Support/linux/build_in_tmp@ 2676

#!/bin/sh

#
# Script to build a kernel module in /tmp. Useful if the module sources
# are installed in read-only directory.
#
# Copyright (C) 2007 InnoTek Systemberatung GmbH
#
# This file is part of VirtualBox Open Source Edition (OSE), as
# available from http://www.virtualbox.org. This file is free software;
# you can redistribute it and/or modify it under the terms of the GNU
# General Public License as published by the Free Software Foundation,
# in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
# distribution. VirtualBox OSE is distributed in the hope that it will
# be useful, but WITHOUT ANY WARRANTY of any kind.
#
# If you received this file as part of a commercial VirtualBox
# distribution, then only the terms of your commercial VirtualBox
# license agreement apply instead of the previous paragraph.
#

# find a unique temp directory
num=0
while true; do
  tmpdir="/tmp/vbox.$num"
  if mkdir -m 0755 "$tmpdir" 2> /dev/null; then
    break
  fi
  num=`expr $num + 1`
  if  [ $num -gt 200 ]; then
    echo "Could not find a valid tmp directory"
    exit 1
  fi
done

# copy
cp -a ${0%/*}/* $tmpdir/

# make, cleanup if success
cd "$tmpdir"
if make "$@"; then
  rm -rf $tmpdir
  exit 0
fi

# failure
exit 1