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220 lines
6.7 KiB
220 lines
6.7 KiB
# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/grub-0.97-r5.ebuild,v 1.15 2012/05/31 00:01:18 vapier Exp $
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# XXX: we need to review menu.lst vs grub.conf handling. We've been converting
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# all systems to grub.conf (and symlinking menu.lst to grub.conf), but
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# we never updated any of the source code (it still all wants menu.lst),
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# and there is no indication that upstream is making the transition.
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inherit mount-boot eutils flag-o-matic toolchain-funcs autotools multilib
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PATCHVER="1.7"
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DESCRIPTION="GNU GRUB Legacy boot loader"
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HOMEPAGE="http://www.gnu.org/software/grub/"
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SRC_URI="mirror://gentoo/${P}.tar.gz
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mirror://gnu-alpha/${PN}/${P}.tar.gz
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mirror://gentoo/splash.xpm.gz
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mirror://gentoo/${P}-patches-${PATCHVER}.tar.bz2"
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LICENSE="GPL-2"
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SLOT="0"
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KEYWORDS="amd64 x86 ~x86-fbsd"
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IUSE="custom-cflags ncurses netboot static"
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DEPEND="ncurses? (
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>=sys-libs/ncurses-5.2-r5
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amd64? ( app-emulation/emul-linux-x86-baselibs )
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)"
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src_unpack() {
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unpack ${A}
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cd "${S}"
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# patch breaks booting for some people #111885
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rm "${WORKDIR}"/patch/400_*
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# Grub will not handle a kernel larger than EXTENDED_MEMSIZE Mb as
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# discovered in bug 160801. We can change this, however, using larger values
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# for this variable means that Grub needs more memory to run and boot. For a
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# kernel of size N, Grub needs (N+1)*2. Advanced users should set a custom
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# value in make.conf, it is possible to make kernels ~16Mb in size, but it
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# needs the kitchen sink built-in.
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local t="custom"
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if [[ -z ${GRUB_MAX_KERNEL_SIZE} ]] ; then
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case $(tc-arch) in
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amd64) GRUB_MAX_KERNEL_SIZE=7 ;;
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x86) GRUB_MAX_KERNEL_SIZE=3 ;;
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esac
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t="default"
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fi
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einfo "Grub will support the ${t} maximum kernel size of ${GRUB_MAX_KERNEL_SIZE} Mb (GRUB_MAX_KERNEL_SIZE)"
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sed -i \
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-e "/^#define.*EXTENDED_MEMSIZE/s,3,${GRUB_MAX_KERNEL_SIZE},g" \
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"${S}"/grub/asmstub.c \
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|| die "Failed to hack memory size"
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if [[ -n ${PATCHVER} ]] ; then
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EPATCH_SUFFIX="patch"
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epatch "${WORKDIR}"/patch
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eautoreconf
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fi
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}
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src_compile() {
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filter-flags -fPIE #168834
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use amd64 && multilib_toolchain_setup x86
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unset BLOCK_SIZE #73499
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### i686-specific code in the boot loader is a bad idea; disabling to ensure
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### at least some compatibility if the hard drive is moved to an older or
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### incompatible system.
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# grub-0.95 added -fno-stack-protector detection, to disable ssp for stage2,
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# but the objcopy's (faulty) test fails if -fstack-protector is default.
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# create a cache telling configure that objcopy is ok, and add -C to econf
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# to make use of the cache.
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#
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# CFLAGS has to be undefined running econf, else -fno-stack-protector detection fails.
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# STAGE2_CFLAGS is not allowed to be used on emake command-line, it overwrites
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# -fno-stack-protector detected by configure, removed from netboot's emake.
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use custom-cflags || unset CFLAGS
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export grub_cv_prog_objcopy_absolute=yes #79734
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use static && append-ldflags -static
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# Per bug 216625, the emul packages do not provide .a libs for performing
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# suitable static linking
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if use amd64 && use static ; then
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die "You must use the grub-static package if you want a static Grub on amd64!"
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fi
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# build the net-bootable grub first, but only if "netboot" is set
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if use netboot ; then
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econf \
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--libdir=/lib \
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--datadir=/usr/lib/grub \
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--exec-prefix=/ \
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--disable-auto-linux-mem-opt \
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--enable-diskless \
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--enable-{3c{5{03,07,09,29,95},90x},cs89x0,davicom,depca,eepro{,100}} \
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--enable-{epic100,exos205,ni5210,lance,ne2100,ni{50,65}10,natsemi} \
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--enable-{ne,ns8390,wd,otulip,rtl8139,sis900,sk-g16,smc9000,tiara} \
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--enable-{tulip,via-rhine,w89c840} || die "netboot econf failed"
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emake w89c840_o_CFLAGS="-O" || die "making netboot stuff"
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mv -f stage2/{nbgrub,pxegrub} "${S}"/
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mv -f stage2/stage2 stage2/stage2.netboot
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make clean || die "make clean failed"
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fi
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# Now build the regular grub
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# Note that FFS and UFS2 support are broken for now - stage1_5 files too big
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econf \
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--libdir=/lib \
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--datadir=/usr/lib/grub \
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--exec-prefix=/ \
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--disable-auto-linux-mem-opt \
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$(use_with ncurses curses) \
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|| die "econf failed"
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# sanity check due to common failure
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use ncurses && ! grep -qs "HAVE_LIBCURSES.*1" config.h && die "USE=ncurses but curses not found"
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emake || die "making regular stuff"
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}
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src_test() {
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# non-default block size also give false pass/fails.
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unset BLOCK_SIZE
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make check || die "make check failed"
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}
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src_install() {
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emake DESTDIR="${D}" install || die
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if use netboot ; then
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exeinto /usr/lib/grub/${CHOST}
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doexe nbgrub pxegrub stage2/stage2.netboot || die "netboot install"
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fi
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dodoc AUTHORS BUGS ChangeLog NEWS README THANKS TODO
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newdoc docs/menu.lst grub.conf.sample
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insinto /boot/grub
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doins "${DISTDIR}"/splash.xpm.gz
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}
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setup_boot_dir() {
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local boot_dir=$1
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local dir=${boot_dir}
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[[ ! -e ${dir} ]] && die "${dir} does not exist!"
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[[ ! -L ${dir}/boot ]] && ln -s . "${dir}/boot"
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dir="${dir}/grub"
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if [[ ! -e ${dir} ]] ; then
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mkdir "${dir}" || die "${dir} does not exist!"
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fi
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# change menu.lst to grub.conf
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if [[ ! -e ${dir}/grub.conf ]] && [[ -e ${dir}/menu.lst ]] ; then
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mv -f "${dir}"/menu.lst "${dir}"/grub.conf
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ewarn
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ewarn "*** IMPORTANT NOTE: menu.lst has been renamed to grub.conf"
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ewarn
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fi
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if [[ ! -e ${dir}/menu.lst ]]; then
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einfo "Linking from new grub.conf name to menu.lst"
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ln -snf grub.conf "${dir}"/menu.lst
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fi
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if [[ -e ${dir}/stage2 ]] ; then
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mv "${dir}"/stage2{,.old}
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ewarn "*** IMPORTANT NOTE: you must run grub and install"
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ewarn "the new version's stage1 to your MBR. Until you do,"
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ewarn "stage1 and stage2 will still be the old version, but"
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ewarn "later stages will be the new version, which could"
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ewarn "cause problems such as an unbootable system."
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ebeep
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fi
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einfo "Copying files from /lib/grub and /usr/lib/grub to ${dir}"
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for x in "${ROOT}"/lib*/grub/*/* "${ROOT}"/usr/lib*/grub/*/* ; do
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[[ -f ${x} ]] && cp -p "${x}" "${dir}"/
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done
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if [[ -e ${dir}/grub.conf ]] ; then
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egrep \
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-v '^[[:space:]]*(#|$|default|fallback|initrd|password|splashimage|timeout|title)' \
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"${dir}"/grub.conf | \
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/sbin/grub --batch \
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--device-map="${dir}"/device.map \
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> /dev/null
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fi
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# the grub default commands silently piss themselves if
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# the default file does not exist ahead of time
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if [[ ! -e ${dir}/default ]] ; then
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grub-set-default --root-directory="${boot_dir}" default
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fi
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}
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pkg_postinst() {
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[[ -n ${DONT_MOUNT_BOOT} ]] && return 0
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setup_boot_dir "${ROOT}"/boot
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einfo "To install grub files to another device (like a usb stick), just run:"
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einfo " emerge --config =${PF}"
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}
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pkg_config() {
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local dir
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einfo "Enter the directory where you want to setup grub:"
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read dir
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setup_boot_dir "${dir}"
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}
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