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#!/bin/bash
# helper script: builds GRUB2 source code
#
# Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
# Copyright (C) 2015, 2016 Klemens Nanni <contact@autoboot.org>
#
# This program 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, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This script assumes that the working directory is the root
# of git or release archive
[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e
if [ -z ${NPROC+x} ]; then
cores="$(nproc)"
else
case ${NPROC} in
''|*[!0-9]*)
printf "value '%s' for NPROC is invalid. non-numeric. Exiting.\n" "${NPROC}"
exit 1
;;
esac
cores="${NPROC}"
fi
# Build GRUB2 as coreboot payload
printf "Building GRUB\n"
# use a subshell to not end up in grub/ in case of build issues
(
cd grub/
# clean up first
[ -d Makefile ] && make distclean
# build
./autogen.sh
./configure --with-platform=coreboot
make -j${cores}
)
# Also build SeaBIOS, which we use with GRUB to make SeaGRUB
./oldbuild module seabios
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