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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/grub-0.97-r9.ebuild,v 1.4 2009/05/15 21:11:24 maekke 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 multilib
PATCHVER="1.9" # Should match the revision ideally
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}/${P}.tar.gz
mirror://gentoo/${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 )
)"
PROVIDE="virtual/bootloader"
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" \
"${S}"/grub/asmstub.c \
|| die "Failed to hack memory size"
# UUID support
epatch "${FILESDIR}/${P}-uuid.patch"
epatch "${FILESDIR}/${P}-uuid_doc.patch"
# Gfxmenu support
epatch "${FILESDIR}/${P}-gfxmenu-v8.patch"
if [[ -n ${PATCHVER} ]] ; then
EPATCH_SUFFIX="patch"
epatch "${WORKDIR}"/patch
eautoreconf
fi
}
src_compile() {
filter-flags -fPIE #168834
# Fix libvolume_id build (UUID)
export CPPFLAGS="${CPPFLAGS} -I/usr/include -I/usr/$(get_libdir)/gcc/${CHOST}/$(gcc-fullversion)/include"
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
if [ -z "${GRUB_STATIC_PACKAGE_BUILDING}" ]; then
die "You must use the grub-static package if you want a static Grub on amd64!"
else
eerror "You have set GRUB_STATIC_PACKAGE_BUILDING. This"
eerror "is specifically intended for building the tarballs for the"
eerror "grub-static package via USE='static -ncurses'."
eerror "All bets are now off."
ebeep 10
fi
fi
# build the net-bootable grub first, but only if "netboot" is set
if use netboot ; then
econf \
--libdir=/lib \
--datadir=/usr/lib/grub \
--exec-prefix=/ \
--disable-auto-linux-mem-opt \
--enable-diskless \
--enable-{3c{5{03,07,09,29,95},90x},cs89x0,davicom,depca,eepro{,100}} \
--enable-{epic100,exos205,ni5210,lance,ne2100,ni{50,65}10,natsemi} \
--enable-{ne,ns8390,wd,otulip,rtl8139,sis900,sk-g16,smc9000,tiara} \
--enable-{tulip,via-rhine,w89c840} || die "netboot econf failed"
emake w89c840_o_CFLAGS="-O" || die "making netboot stuff"
mv -f stage2/{nbgrub,pxegrub} "${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/${CHOST}
doexe nbgrub pxegrub stage2/stage2.netboot || die "netboot install"
fi
dodoc AUTHORS BUGS ChangeLog NEWS README THANKS TODO
newdoc docs/menu.lst grub.conf.sample
dodoc "${FILESDIR}"/grub.conf.gentoo
prepalldocs
[ -n "${GRUB_STATIC_PACKAGE_BUILDING}" ] && \
mv \
"${D}"/usr/share/doc/${PF} \
"${D}"/usr/share/doc/grub-static-${PF/grub-}
insinto /usr/share/grub
doins "${FILESDIR}"/splash.xpm.gz
}
setup_boot_dir() {
local boot_dir=$1
local dir=${boot_dir}
mkdir -p "${dir}"
[[ ! -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 ${dir}/grub.conf ]] ; then
s="${ROOT}/usr/share/doc/${PF}/grub.conf.gentoo"
[[ -e "${s}" ]] && cat "${s}" >${dir}/grub.conf
[[ -e "${s}.gz" ]] && zcat "${s}.gz" >${dir}/grub.conf
[[ -e "${s}.bz2" ]] && bzcat "${s}.bz2" >${dir}/grub.conf
fi
splash_xpm_gz="${ROOT}/usr/share/grub/splash.xpm.gz"
boot_splash_xpm_gz="${dir}/splash.xpm.gz"
[[ -e "${splash_xpm_gz}" ]] && [[ ! -e "${boot_splash_xpm_gz}" ]] && \
cp "${splash_xpm_gz}" "${boot_splash_xpm_gz}"
einfo "Grub has been installed to ${boot_dir} successfully."
}
pkg_postinst() {
if [[ -n ${DONT_MOUNT_BOOT} ]]; then
elog "WARNING: you have DONT_MOUNT_BOOT in effect, so you must apply"
elog "the following instructions for your /boot!"
elog "Neglecting to do so may cause your system to fail to boot!"
elog
else
setup_boot_dir "${ROOT}"/boot
# Trailing output because if this is run from pkg_postinst, it gets mixed into
# the other output.
einfo ""
fi
elog "To interactively install grub files to another device such as a USB"
elog "stick, just run the following and specify the directory as prompted:"
elog " emerge --config =${PF}"
elog "Alternately, you can export GRUB_ALT_INSTALLDIR=/path/to/use to tell"
elog "grub where to install in a non-interactive way."
}
pkg_config() {
local dir
if [ ! -d "${GRUB_ALT_INSTALLDIR}" ]; then
einfo "Enter the directory where you want to setup grub:"
read dir
else
dir="${GRUB_ALT_INSTALLDIR}"
fi
setup_boot_dir "${dir}"
}
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