--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/grub/grub.sh	Fri Mar 15 14:00:52 2019 +0100
@@ -0,0 +1,97 @@
+#!/bin/sh
+#
+# Copyright (c) 2020 David Demelier <markand@malikania.fr>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+PKGNAME=grub
+PKGVERSION=2.02
+PKGREVISION=1
+PKGLICENSE="GPLv3+"
+PKGSUMMARY="GNU boot loader"
+PKGDOWNLOAD="ftp://ftp.gnu.org/gnu/$PKGNAME/$PKGNAME-$PKGVERSION.tar.xz"
+PKGDEPENDS="core/lvm2 dev/bison dev/flex lib/linux-headers"
+PKGOPTIONS="LZMA NLS"
+
+: ${CHOST:=$(uname -m)-linux-musl}
+: ${CBUILD:=$(uname -m)-linux-musl}
+: ${CTARGET:=$(uname -m)-linux-musl}
+: ${CC:=gcc}
+: ${CFLAGS:=-O2}
+: ${CXX:=g++}
+: ${CXXFLAGS:=-O2}
+: ${LDFLAGS:=}
+: ${LIBS:=}
+: ${LZMA:=no}
+: ${NLS:=yes}
+
+if [ "$LZMA" = "yes" ]; then
+	PKGDEPENDS="core/xz $PKGDEPENDS"
+	with_lzma="--enable-liblzma"
+else
+	with_lzma="--disable-liblzma"
+fi
+
+if [ "$NLS" = "yes" ]; then
+	PKGDEPENDS="core/gettext $PKGDEPENDS"
+	with_nls="--enable-nls"
+else
+	with_nls="--disable-nls"
+fi
+
+case $(uname -m) in
+"x86_64")
+	platforms="efi pc"
+	;;
+esac
+
+build_grub()
+{
+	mkdir build && pushd build
+
+	CC="$CC" \
+	CFLAGS="$CFLAGS" \
+	CXX="$CXX" \
+	CXXFLAGS="$CXXFLAGS" \
+	LDFLAGS="$LDFLAGS" \
+	LIBS="$LIBS" \
+	../configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--target=$CTARGET \
+		--prefix=/usr \
+		--disable-libzfs \
+		--with-platform="$1" \
+		$with_lzma \
+		$with_nls
+	make
+	make install DESTDIR=$DESTDIR
+
+	popd
+	rm -rf build
+}
+
+build()
+{
+	rm -rf $PKGNAME-$PKGVERSION
+	tar xvaf $PKGNAME-$PKGVERSION.tar.xz
+	pushd $PKGNAME-$PKGVERSION
+
+	for p in $platforms; do
+		build_grub $p
+	done
+
+	popd
+	rm -rf $PKGNAME-$PKGVERSION
+}