#! /bin/sh
#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2015-2016 Chris Johns (chrisj@rtems.org)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

#
# This worker script bootstraps the RTEMS kernel.
#
echo "RTEMS Release RTEMS Kernel, v0.1"

#
# Stop on any error
#
set -e

#
# Keep the top where we start.
#
top=${PWD}

#
# The package, version and revision.
#
if [ $# -ne 4 ]; then
    echo "error: must be arguments, the package, version," \
	 "release and the top directory."
 exit 1
fi
package=$1
version=$2
revision=$3
toptop=$4

release=${version}.${revision}
prefix=${package}-${release}

echo "Package: ${package}"
echo "Release: ${release}"

#
# Unpack the released RSB.
#
rsb=rtems-source-builder-${release}
echo "tar Jxf ../${rsb}.tar.xz"
tar Jxf ../${rsb}.tar.xz

#
# Build autoconf and automake.
#
cd ${rsb}/rtems
../source-builder/sb-set-builder --without-release-url \
				 --prefix=${top}/at ${version}/rtems-autotools
cd ../..

#
# Set the path to the autotools.
#
export XPATH=$PATH
export PATH=${top}/at/bin:$PATH

#
# Bootstrap RTEMS.
#
cd ${prefix}
 echo "Set the version in the build system.."
 for f in $(find . -name version.m4)
 do
  echo " Generating ${f}"
  cat <<EOF > ${f}
dnl Autogenerated for RTEMS release: ${release}
AC_DEFUN([RTEMS_VERSIONING],
m4_define([_RTEMS_VERSION],[${release}]))
dnl RTEMS API Version
m4_define([_RTEMS_API],[${version}])
EOF
 done
 echo "Bootstrapping RTEMS"
 ./bootstrap -c
 ./bootstrap -p
 ${top}/${rsb}/source-builder/sb-bootstrap
 echo "Cleaning autom4te.cache"
 rm -rf $(find . -name autom4te.cache)
 echo "Generate ARCH-BSP.txt"
 ./rtems-bsps > ARCH-BSP.txt
 cp ARCH-BSP.txt ${toptop}
 cd ..

#
# Clean up.
#
rm -rf ${rsb} ${at}

echo "Bootstrap complete."

exit 0