/
build-grub
executable file
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/
build-grub
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#!/bin/bash -e
GRUB_VERSION=2.02
GRUB_VERSION_SUFFIX=-umb0.9
SYSLINUX_VERSION=6.03
# download, unpack and patch sources
rm -rf build/grub build/core dist
mkdir -p build/{grub,mnt} build/core/boot/grub/{i386-pc,x86_64-efi,locale,fonts,kbd} build/core32/boot/grub/i386-efi dist/usb-modboot/efi/boot dist/usb-modboot/usb-modboot dist/usb-modboot/install dist/efi32/efi/boot
cd build
[ -f grub-${GRUB_VERSION}.tar.xz ] || wget http://ftp.gnu.org/gnu/grub/grub-${GRUB_VERSION}.tar.xz
[ -f grub-${GRUB_VERSION}-for-windows.zip ] || wget http://ftp.gnu.org/gnu/grub/grub-${GRUB_VERSION}-for-windows.zip
[ -f syslinux-${SYSLINUX_VERSION}.tar.xz ] || wget https://www.kernel.org/pub/linux/utils/boot/syslinux/syslinux-${SYSLINUX_VERSION}.tar.xz
cd grub
tar xfvJ ../grub-${GRUB_VERSION}.tar.xz
tar xfvJ ../syslinux-${SYSLINUX_VERSION}.tar.xz syslinux-${SYSLINUX_VERSION}/bios/memdisk/memdisk
unzip ../grub-${GRUB_VERSION}-for-windows.zip grub-${GRUB_VERSION}-for-windows/grub-{probe,bios-setup}.exe
mv grub-${GRUB_VERSION}-for-windows/*.exe ../../dist/usb-modboot/install
mv syslinux-${SYSLINUX_VERSION}/bios/memdisk/memdisk ../core/boot/grub
cd grub-${GRUB_VERSION}
patch -p1 <../../../grub.patch
./autogen.sh
# build i386-efi image
./configure PACKAGE_VERSION="${GRUB_VERSION}${GRUB_VERSION_SUFFIX}" PACKAGE_STRING="GRUB ${GRUB_VERSION}${GRUB_VERSION_SUFFIX}" --with-platform=efi --target=i386-pe
make
echo 'loopback core32 ($root)/efi/boot/core32.dat' >../confscript_efi32
echo 'set prefix=(core32)/boot/grub' >>../confscript_efi32
./grub-mkimage -d ./grub-core -O i386-efi -o ../../../dist/efi32/efi/boot/bootia32.efi -p '' -c ../confscript_efi32 fat part_msdos loopback
cp grub-core/*.{lst,mod} ../../core32/boot/grub/i386-efi
# build x86_64-efi image
./configure PACKAGE_VERSION="${GRUB_VERSION}${GRUB_VERSION_SUFFIX}" PACKAGE_STRING="GRUB ${GRUB_VERSION}${GRUB_VERSION_SUFFIX}" --with-platform=efi --target=amd64-pe
make
echo 'loopback core ($root)/usb-modboot/core-module.dat' >../confscript_efi
echo 'set prefix=(core)/boot/grub' >>../confscript_efi
./grub-mkimage -d ./grub-core -O x86_64-efi -o ../../../dist/usb-modboot/efi/boot/grub.efi -p '' -c ../confscript_efi fat part_msdos loopback
cp grub-core/*.{lst,mod} ../../core/boot/grub/x86_64-efi
# build i386-pc image
make distclean
./linguas.sh
./configure PACKAGE_VERSION="${GRUB_VERSION}${GRUB_VERSION_SUFFIX}" PACKAGE_STRING="GRUB ${GRUB_VERSION}${GRUB_VERSION_SUFFIX}" --with-platform=pc
make
echo 'set root=$root,msdos1' >../confscript_bios
echo 'loopback core ($root)/usb-modboot/core-module.dat' >>../confscript_bios
echo 'set prefix=(core)/boot/grub' >>../confscript_bios
./grub-mkimage -d ./grub-core -O i386-pc -o ../../../dist/usb-modboot/install/core.img -p '' -c ../confscript_bios biosdisk fat part_msdos loopback
cp grub-core/*.{lst,mod} grub-core/efiemu{32,64}.o ../../core/boot/grub/i386-pc
cp grub-core/boot.img ../../../dist/usb-modboot/install
# build USB-Loader compatible i386-pc image
echo "echo Core loaded from USB. Press [Return] to boot." >../usbloaderscript
echo "read tmp" >>../usbloaderscript
echo "search.file /usb-modboot/core-module.dat root" >>../usbloaderscript
echo 'loopback core ($root)/usb-modboot/core-module.dat' >>../usbloaderscript
echo 'set prefix=(core)/boot/grub' >>../usbloaderscript
./grub-mkimage -d ./grub-core -O i386-pc -o ../usb-loader-core.img -p '' -c ../usbloaderscript at_keyboard usb_keyboard usbms uhci ohci ehci fat part_msdos loopback search_fs_file read echo
# copy generic files
cp po/de.gmo ../../core/boot/grub/locale
cp euro.pf2 ../../core/boot/grub/fonts
cp docs/osdetect.cfg ../../core/boot/grub
for i in de at ch es fr us cz; do
ckbcomp $i | ./grub-mklayout -o ../../core/boot/grub/kbd/$i.gkb
done
# patch MBR to avoid detecting it as FAT-formatted superfloppy by some embedded devices
# (see <https://github.com/schierlm/grml-plus/blob/master/data/patch-grub-mbr.pl#L3-14>)
xxd -r - ../../../dist/usb-modboot/install/boot.img <<'EOF'
0000000: 90eb 62
EOF
xxd -r - ../../../dist/usb-modboot/install/core.img <<'EOF'
000011b: 5553 4220 4d42 52
EOF
echo "GRUB build finished."