repo/core/grub/build

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#!/bin/sh -e
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# Grub expects Python but it isn't actually needed. Give
# it something fake so that configure passes.
export PYTHON=/bin/true
# Disable the post-python mv calls as a means of disabling
# the Python tooling. The /bin/true above will create a
# blank file, this prevents the blank file from overwriting
# the existing one.
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for f in ./*/Makefile.in; do
sed 's/mv $@.new $@/:/g' "$f" > _
mv -f _ "$f"
done
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# Strip '-march' from 'CFLAGS' as per advice from upstream.
# Fixes build fails on specific hardware.
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export CFLAGS
CFLAGS=$(printf %s "$CFLAGS" | sed 's/-march=[^ ]*//g')
# Force bfd linker to fix issues with alternative linkers. Mold does not yet
# have full linker script support and I'm not certain that lld or gold have
# ever worked to build Grub.
{
mkdir -p .bin
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bfd_path=$(command -v ld.bfd)
ln -s "${bfd_path:?}" .bin/ld
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export PATH="$PWD/.bin:$PATH"
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# Strip '-B<path>mold' and '--ld-path=<path>mold' from CFLAGS.
case $CFLAGS in *mold*)
CFLAGS=$(printf %s "$CFLAGS" | sed 's/-B[^ ]*//g;s/--ld-path=[^ ]*//g')
esac
}
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build_grub() (
cd "grub-${1##*=}"
./configure \
HELP2MAN="$OLDPWD/help2man" \
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--prefix=/usr \
--sbindir=/usr/bin \
--sysconfdir=/etc \
--disable-werror \
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--disable-nls \
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--disable-grub-mkfont \
--disable-grub-mount \
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"$@"
make
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make install
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)
build_grub --with-platform=pc
build_grub --with-platform=efi --disable-efiemu
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mkdir -p "$1/etc/default"
cp -f grub.default "$1/etc/default/grub"
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# Remove gdb debugging files.
(
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cd "$1/usr/lib"
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rm -f grub/*/*.module
rm -f grub/*/*.image
rm -f grub/*/kernel.exec
rm -f grub/*/gdb_grub
rm -f grub/*/gmodule.pl
)