#!/usr/bin/env sh

#  helper script: builds GRUB2 source code
#
#	Copyright (C) 2014, 2015, 2020, 2023 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/>.
#

[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e

. "include/err.sh"

main()
{
	printf "Building GRUB\n"
	[ -d "grub/" ] || ./update project repo grub || err "cannot fetch grub"
	build_grub
}

build_grub()
{
	(
	cd grub/ || \
	    err "build_grub: cd"
	[ ! -d Makefile ] || make distclean || \
	    err "build_grub: make-distclean"
	./bootstrap --gnulib-srcdir=gnulib/ --no-git || \
	    err "build_grub: gnulib bootstrap"
	./autogen.sh || \
	    err "build_grub: autogen.sh"
	./configure --with-platform=coreboot || \
	    err "build_grub: autoconf"
	make -j$(nproc) FS_PAYLOAD_MODULES="" || \
	    err "build_grub: make"
	)
}

main $@