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233 lines
7.6 KiB
233 lines
7.6 KiB
# Copyright 1999-2022 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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inherit flag-o-matic
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# Currently tested Systems:
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#
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# Ruffian: UX164, BX164
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#
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DESCRIPTION="The Alpha MIniLOader, for Alpha Machines without SRM"
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HOMEPAGE="http://milo.core-systems.de/"
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# ive tested this, and it seems to make little difference
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# which kernel version you use, so it makes sense to use the
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# latest available 2.2 kernel with the latest bugfixes/drivers/etc.
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kernel_version="2.2.25"
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milo_version="2.2-18"
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ldmilo_patch="20010430"
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# milo-2.2-18.tar.bz2 :- latest milo sources
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# linux-2.2.25.tar.bz2 :- latest linux 2.2 kernel sources
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# ldmilo-patched-20010430 :- Ruffian ldmilo utility, with bugfixes by Jay Eastabrook
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# linload.exe :- linload utility (ldmilo equivalent for non-ruffians).
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SRC_URI="http://www.suse.de/~stepan/source/milo-${milo_version}.tar.bz2
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https://www.kernel.org/pub/linux/kernel/v2.2/linux-${kernel_version}.tar.bz2
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https://dev.gentoo.org/~taviso/milo/ldmilo-patched-${ldmilo_patch}
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http://ftp.namesys.com/pub/reiserfs-for-2.2/linux-2.2.20-reiserfs-3.5.35.diff.bz2
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https://dev.gentoo.org/~taviso/milo/linload.exe
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http://www.ibiblio.org/pub/Linux/docs/HOWTO/MILO-HOWTO"
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#
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# milo license is dec palcode license, dec bios emulation license, and gpl-2 rolled
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# into one big ugly package.
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#
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# the dec licenses say you can basically do anything you like, including modify
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# and redistribute for profit or non-profit, as long as its for use with Alpha
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# architecture.
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#
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LICENSE="MILO"
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SLOT="0"
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KEYWORDS="-* ~alpha"
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IUSE=""
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DEPEND="sys-apps/kbd"
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RDEPEND="sys-fs/mtools"
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S=${WORKDIR}/milo-${milo_version}
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# You can change the default MILO serial
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# number here, the MILO default is "Linux_is_Great!".
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# There are some below that i have made you can
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# use if you want, just uncomment the one you like.
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#
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# if you want to see how this works, to make your own
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# look at mkserial_no.c in the filesdir.
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#
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##### Linux_is_Great! ###################
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#milo_serial_number0=0x73695f78756e694c
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#milo_serial_number1=0x002174616572475f
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#
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##### Gentoo Linux. #####################
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milo_serial_number0=0x4c206f6f746e6547
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milo_serial_number1=0x0000002e78756e69
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#
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##### Gentoo/Alpha. #####################
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#milo_serial_number0=0x412f6f6f746e6547
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#milo_serial_number1=0x0000002e6168706c
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#
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##### Gentoo MILO. ######################
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#milo_serial_number0=0x4d206f6f746e6547
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#milo_serial_number1=0x000000002e4f4c49
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#
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##### |d|i|g|i|t|a|l| ###################
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#milo_serial_number0=0x697c677c697c647c
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#milo_serial_number1=0x007c6c7c617c747c;
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#
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src_unpack() {
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# unpack everything the kernel and milo sources
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unpack linux-${kernel_version}.tar.bz2
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unpack milo-${milo_version}.tar.bz2
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unpack linux-2.2.20-reiserfs-3.5.35.diff.bz2
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}
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src_prepare() {
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# gcc3 fixes, and some tweaks to get a build, also
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# reiserfs support for the kernel (and milo).
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cd "${WORKDIR}"/linux; eapply "${FILESDIR}"/linux-${kernel_version}-gcc3-milo.diff || die
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cd "${WORKDIR}"/linux; eapply "${WORKDIR}"/linux-2.2.20-reiserfs-3.5.35.diff || die
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cd "${S}"; eapply "${FILESDIR}"/milo-${milo_version}-gcc3-gentoo.diff || die
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eapply_user
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}
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src_compile() {
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unset MILO_ARCH
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for arches in "Alpha-XLT XLT" \
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"Alpha-XL XL" \
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"AlphaBook1 BOOK1" \
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"Avanti AVANTI" \
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"Cabriolet CABRIOLET" \
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"EB66 EB66" \
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"EB66+ EB66P" \
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"EB64+ EB64P" \
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"EB164 EB164" \
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"PC164 PC164" \
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"LX164 LX164" \
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"SX164 SX164" \
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"Noname NONAME" \
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"Takara TAKARA" \
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"Mikasa MIKASA" \
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"Alcor ALCOR" \
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"Miata MIATA" \
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"Ruffian RUFFIAN" \
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"Platform2000 P2K" \
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"UDB UDB"
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do
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if [ -z "${MILO_IMAGE}" ]; then
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MILO_ARCH="${MILO_ARCH} \"${arches}\""
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else
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if echo ${arches} | grep -i ${MILO_IMAGE}; then
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MILO_ARCH="\"${arches}\""
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fi
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fi
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done
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if [ -z "${MILO_ARCH}" ]; then
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eerror "Sorry, but ${MILO_IMAGE} doesnt look valid to me"
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eerror "Consult the Alpha installation guide, or the ebuild"
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eerror "for a list of available Alphas."
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die "${MILO_IMAGE} not supported, or not recognised."
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fi
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sed -i "s!__MILO_ARCHES__!${MILO_ARCH}!g" "${S}"/tools/scripts/build
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ewarn
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ewarn "seriously, this is going to take a while, go get some coffee..."
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ewarn
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einfo "this ebuild will build the standard MILO images, similar to those"
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einfo "distributed with some distributions, and the images provided with"
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einfo "the official MILO sources."
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einfo
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einfo "of course, the beauty of MILO is it can support any device supported"
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einfo "by the linux kernel, so if you need support for non-standard hardware"
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einfo "set the path to the .config you want in \$custom_milo_kernel_config and"
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einfo "i will use it instead of the default."
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ewarn
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# get kernel configured
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cp ${custom_milo_kernel_config:-"${S}"/Documentation/config/linux-2.2.19-SuSE.config} \
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"${WORKDIR}"/linux/.config
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cd "${WORKDIR}"/linux; yes n | make oldconfig || die "unable to configure kernel."
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# we're building a generic kernel that defaults to ev5, but theres no
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# reason why we cant tweak the instruction set.
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# im not sure if you can actually pull a system performance gain/faster
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# boot from optimising milo, but at least you'll get a faster milo pager ;)
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mcpu_flag="`get-flag mcpu`"
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if [ ! -z "${mcpu_flag}" ]; then
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sed -i "s/\(CFLAGS := \$(CFLAGS) \)-mcpu=ev5$/\1-mcpu=${mcpu_flag:-ev5}/g" \
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"${WORKDIR}"/linux/arch/alpha/Makefile
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fi
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# build the generic linux kernel, of course if you have
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# hardware not supported by this generic kernel, you are free
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# to hack it (or the .config used here).
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einfo "building a generic kernel for use with milo..."
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unset CC DISTCC_HOSTS; make dep vmlinux || die "unable to build generic kernel for milo."
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cat "${FILESDIR}"/objstrip.c > "${WORKDIR}"/linux/arch/alpha/boot/tools/objstrip.c
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# make the objstrip utility.
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gcc "${WORKDIR}"/linux/arch/alpha/boot/tools/objstrip.c -o \
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"${WORKDIR}"/linux/arch/alpha/boot/tools/objstrip || die "couldnt build objstrip."
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einfo "kernel build complete."
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einfo "building milo images..."
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# we have a choice here, milo can set the serial number to just about
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# anything we like, the milo author has chosen "Linux_is_Great!", which
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# is a bit cheesy, but we will leave it as default if user hasnt chosen
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# something else.
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# see above for options.
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append-flags -DMILO_SERIAL_NUMBER0="${milo_serial_number0:-0x73695f78756e694c}"
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append-flags -DMILO_SERIAL_NUMBER1="${milo_serial_number1:-0x002174616572475f}"
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# the Makefile missed this :-/
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cd "${S}"/tools/common; make || die "couldnt make commonlib."
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# build all the milo images.
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cd "${S}"; tools/scripts/build || die "failed to build milo images."
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# put the ldmilo utility there.
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cp "${DISTDIR}"/ldmilo-patched-${ldmilo_patch} "${S}"/binaries/ldmilo.exe
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cp "${DISTDIR}"/linload.exe "${S}"/binaries/linload.exe
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}
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src_install() {
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cd "${S}"; dodir /opt/milo
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insinto /opt/milo
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einfo "Installing MILO images..."
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for i in binaries/*
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do
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einfo " ${i}"
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doins ${i}
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done
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cd "${S}"/Documentation
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dodoc ChangeLog filesystem Nikita.Todo README.milo Todo README.BSD Stuff WhatIsMilo \
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"${FILESDIR}"/README-gentoo "${FILESDIR}"/mkserial_no.c "${DISTDIR}"/MILO-HOWTO
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}
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pkg_postinst() {
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einfo "The MILO images have been installed into /opt/milo."
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einfo "There are instructions in /usr/share/doc/${P} for making MILO boot floppies."
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einfo "Alternative methods, (flash, srm, debug monitor, etc) are described in the MILO-HOWTO."
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einfo
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einfo "The important docs to read are the README-gentoo and the MILO-HOWTO."
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einfo
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ewarn "PLEASE, PLEASE, PLEASE, let me know if this works or not, i need to know which systems"
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ewarn "need tweaking, and which ones are good to go. You can email me at taviso@gentoo.org"
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einfo
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}
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