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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/grub-0.97-r5.ebuild,v 1.13 2011/04/10 14:34:42 ulm Exp $
# XXX: we need to review menu.lst vs grub.conf handling. We've been converting
# all systems to grub.conf (and symlinking menu.lst to grub.conf), but
# we never updated any of the source code (it still all wants menu.lst),
# and there is no indication that upstream is making the transition.
inherit mount-boot eutils flag-o-matic toolchain-funcs autotools
PATCHVER="1.7"
DESCRIPTION="GNU GRUB Legacy boot loader"
HOMEPAGE="http://www.gnu.org/software/grub/"
SRC_URI="mirror://gentoo/${P}.tar.gz
ftp://alpha.gnu.org/gnu/${PN}/${P}.tar.gz
mirror://gentoo/splash.xpm.gz
mirror://gentoo/${P}-patches-${PATCHVER}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 x86 ~x86-fbsd"
IUSE="custom-cflags ncurses netboot static"
DEPEND="ncurses? (
>=sys-libs/ncurses-5.2-r5
amd64? ( app-emulation/emul-linux-x86-baselibs )
)"
src_unpack() {
unpack ${A}
cd "${S}"
# patch breaks booting for some people #111885
rm "${WORKDIR}"/patch/400_*
# Grub will not handle a kernel larger than EXTENDED_MEMSIZE Mb as
# discovered in bug 160801. We can change this, however, using larger values
# for this variable means that Grub needs more memory to run and boot. For a
# kernel of size N, Grub needs (N+1)*2. Advanced users should set a custom
# value in make.conf, it is possible to make kernels ~16Mb in size, but it
# needs the kitchen sink built-in.
local t="custom"
if [[ -z ${GRUB_MAX_KERNEL_SIZE} ]] ; then
case $(tc-arch) in
amd64) GRUB_MAX_KERNEL_SIZE=7 ;;
x86) GRUB_MAX_KERNEL_SIZE=3 ;;
esac
t="default"
fi
einfo "Grub will support the ${t} maximum kernel size of ${GRUB_MAX_KERNEL_SIZE} Mb (GRUB_MAX_KERNEL_SIZE)"
sed -i \
-e "/^#define.*EXTENDED_MEMSIZE/s,3,${GRUB_MAX_KERNEL_SIZE},g" \
"${S}"/grub/asmstub.c \
|| die "Failed to hack memory size"
if [[ -n ${PATCHVER} ]] ; then
EPATCH_SUFFIX="patch"
epatch "${WORKDIR}"/patch
eautoreconf
fi
}
src_compile() {
filter-flags -fPIE #168834
use amd64 && multilib_toolchain_setup x86
unset BLOCK_SIZE #73499
### i686-specific code in the boot loader is a bad idea; disabling to ensure
### at least some compatibility if the hard drive is moved to an older or
### incompatible system.
# grub-0.95 added -fno-stack-protector detection, to disable ssp for stage2,
# but the objcopy's (faulty) test fails if -fstack-protector is default.
# create a cache telling configure that objcopy is ok, and add -C to econf
# to make use of the cache.
#
# CFLAGS has to be undefined running econf, else -fno-stack-protector detection fails.
# STAGE2_CFLAGS is not allowed to be used on emake command-line, it overwrites
# -fno-stack-protector detected by configure, removed from netboot's emake.
use custom-cflags || unset CFLAGS
export grub_cv_prog_objcopy_absolute=yes #79734
use static && append-ldflags -static
# Per bug 216625, the emul packages do not provide .a libs for performing
# suitable static linking
if use amd64 && use static ; then
die "You must use the grub-static package if you want a static Grub on amd64!"
fi
# build the net-bootable grub first, but only if "netboot" is set
if use netboot ; then
econf \
--libdir=/lib \
--datadir=/usr/lib/grub \
--exec-prefix=/ \
--disable-auto-linux-mem-opt \
--enable-diskless \
--enable-{3c{5{03,07,09,29,95},90x},cs89x0,davicom,depca,eepro{,100}} \
--enable-{epic100,exos205,ni5210,lance,ne2100,ni{50,65}10,natsemi} \
--enable-{ne,ns8390,wd,otulip,rtl8139,sis900,sk-g16,smc9000,tiara} \
--enable-{tulip,via-rhine,w89c840} || die "netboot econf failed"
emake w89c840_o_CFLAGS="-O" || die "making netboot stuff"
mv -f stage2/{nbgrub,pxegrub} "${S}"/
mv -f stage2/stage2 stage2/stage2.netboot
make clean || die "make clean failed"
fi
# Now build the regular grub
# Note that FFS and UFS2 support are broken for now - stage1_5 files too big
econf \
--libdir=/lib \
--datadir=/usr/lib/grub \
--exec-prefix=/ \
--disable-auto-linux-mem-opt \
$(use_with ncurses curses) \
|| die "econf failed"
# sanity check due to common failure
use ncurses && ! grep -qs "HAVE_LIBCURSES.*1" config.h && die "USE=ncurses but curses not found"
emake || die "making regular stuff"
}
src_test() {
# non-default block size also give false pass/fails.
unset BLOCK_SIZE
make check || die "make check failed"
}
src_install() {
emake DESTDIR="${D}" install || die
if use netboot ; then
exeinto /usr/lib/grub/${CHOST}
doexe nbgrub pxegrub stage2/stage2.netboot || die "netboot install"
fi
dodoc AUTHORS BUGS ChangeLog NEWS README THANKS TODO
newdoc docs/menu.lst grub.conf.sample
insinto /boot/grub
doins "${DISTDIR}"/splash.xpm.gz
}
setup_boot_dir() {
local boot_dir=$1
local dir=${boot_dir}
[[ ! -e ${dir} ]] && die "${dir} does not exist!"
[[ ! -L ${dir}/boot ]] && ln -s . "${dir}/boot"
dir="${dir}/grub"
if [[ ! -e ${dir} ]] ; then
mkdir "${dir}" || die "${dir} does not exist!"
fi
# change menu.lst to grub.conf
if [[ ! -e ${dir}/grub.conf ]] && [[ -e ${dir}/menu.lst ]] ; then
mv -f "${dir}"/menu.lst "${dir}"/grub.conf
ewarn
ewarn "*** IMPORTANT NOTE: menu.lst has been renamed to grub.conf"
ewarn
fi
if [[ ! -e ${dir}/menu.lst ]]; then
einfo "Linking from new grub.conf name to menu.lst"
ln -snf grub.conf "${dir}"/menu.lst
fi
if [[ -e ${dir}/stage2 ]] ; then
mv "${dir}"/stage2{,.old}
ewarn "*** IMPORTANT NOTE: you must run grub and install"
ewarn "the new version's stage1 to your MBR. Until you do,"
ewarn "stage1 and stage2 will still be the old version, but"
ewarn "later stages will be the new version, which could"
ewarn "cause problems such as an unbootable system."
ebeep
fi
einfo "Copying files from /lib/grub and /usr/lib/grub to ${dir}"
for x in "${ROOT}"/lib*/grub/*/* "${ROOT}"/usr/lib*/grub/*/* ; do
[[ -f ${x} ]] && cp -p "${x}" "${dir}"/
done
if [[ -e ${dir}/grub.conf ]] ; then
egrep \
-v '^[[:space:]]*(#|$|default|fallback|initrd|password|splashimage|timeout|title)' \
"${dir}"/grub.conf | \
/sbin/grub --batch \
--device-map="${dir}"/device.map \
> /dev/null
fi
# the grub default commands silently piss themselves if
# the default file does not exist ahead of time
if [[ ! -e ${dir}/default ]] ; then
grub-set-default --root-directory="${boot_dir}" default
fi
}
pkg_postinst() {
[[ -n ${DONT_MOUNT_BOOT} ]] && return 0
setup_boot_dir "${ROOT}"/boot
einfo "To install grub files to another device (like a usb stick), just run:"
einfo " emerge --config =${PF}"
}
pkg_config() {
local dir
einfo "Enter the directory where you want to setup grub:"
read dir
setup_boot_dir "${dir}"
}
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