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https://github.com/gentoo-mirror/gentoo.git
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sys-boot/grub: implement USE=secureboot via grub-mkstandalone
This makes it possible to create a pre-built grub EFI executable signed for secureboot via portage/`secureboot.eclass`. It greatly simplifies setting up grub with secureboot, which is now a bit of a tricky section in the handbook, and makes it possible to get a signed grub EFI executable on systems that do not have the `SECUREBOOT_SIGN_KEY` available via a `sys-boot/grub[secureboot]` binpkg. Unfortunately, since the use of boot partitions, and the mounting point of ESP's varies between systems we cannot rely on the default `/boot/grub/grub.cfg` location to configure grub. Instead the standalone executable reads the `grub.cfg` in the same directory it is in. It is then up to the user to either: - configure `sys-kernel/installkernel` to put the `grub.cfg` in a different location via `GRUB_CFG=`, or - add a little `grub.cfg` that chainloads the real `grub.cfg`. To make this even easier we could write some wrapper around grub-install which would optionally install the prebuilt standalone EFI executable plus an appropriate little `grub.cfg` to chainload the usual `grub.cfg`. But lets leave that for later. Signed-off-by: Andrew Ammerlaan <andrewammerlaan@gentoo.org> Closes: https://github.com/gentoo/gentoo/pull/38007 Signed-off-by: Andrew Ammerlaan <andrewammerlaan@gentoo.org>
This commit is contained in:
435
sys-boot/grub/grub-2.12-r5.ebuild
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435
sys-boot/grub/grub-2.12-r5.ebuild
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@@ -0,0 +1,435 @@
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# Copyright 1999-2024 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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# This ebuild uses 3 special global variables:
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# GRUB_BOOTSTRAP: Depend on python and invoke bootstrap (gnulib).
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# GRUB_AUTOGEN: Depend on python and invoke autogen.sh.
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# GRUB_AUTORECONF: Inherit autotools and invoke eautoreconf.
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#
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# When applying patches:
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# If gnulib is updated, set GRUB_BOOTSTRAP=1
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# If gentpl.py or *.def is updated, set GRUB_AUTOGEN=1
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# If gnulib, gentpl.py, *.def, or any autotools files are updated, set GRUB_AUTORECONF=1
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#
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# If any of the above applies to a user patch, the user should set the
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# corresponding variable in make.conf or the environment.
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GRUB_AUTORECONF=1
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PYTHON_COMPAT=( python3_{10..12} )
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WANT_LIBTOOL=none
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VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/dkiper.gpg
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if [[ -n ${GRUB_AUTORECONF} ]]; then
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inherit autotools
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fi
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inherit bash-completion-r1 flag-o-matic multibuild optfeature python-any-r1
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inherit secureboot toolchain-funcs
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DESCRIPTION="GNU GRUB boot loader"
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HOMEPAGE="https://www.gnu.org/software/grub/"
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MY_P=${P}
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if [[ ${PV} != 9999 ]]; then
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inherit verify-sig
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if [[ ${PV} == *_alpha* || ${PV} == *_beta* || ${PV} == *_rc* ]]; then
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# The quote style is to work with <=bash-4.2 and >=bash-4.3 #503860
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MY_P=${P/_/'~'}
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SRC_URI="
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https://alpha.gnu.org/gnu/${PN}/${MY_P}.tar.xz
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verify-sig? ( https://alpha.gnu.org/gnu/${PN}/${MY_P}.tar.xz.sig )
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"
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S=${WORKDIR}/${MY_P}
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else
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SRC_URI="
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mirror://gnu/${PN}/${P}.tar.xz
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https://dev.gentoo.org/~floppym/dist/${P}-bash-completion.patch.gz
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verify-sig? ( mirror://gnu/${PN}/${P}.tar.xz.sig )
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"
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S=${WORKDIR}/${P%_*}
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fi
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BDEPEND="verify-sig? ( sec-keys/openpgp-keys-danielkiper )"
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KEYWORDS="~amd64 ~arm ~arm64 ~ia64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86"
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else
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inherit git-r3
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EGIT_REPO_URI="https://git.savannah.gnu.org/git/grub.git"
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fi
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DEJAVU=dejavu-sans-ttf-2.37
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UNIFONT=unifont-15.0.06
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SRC_URI+=" fonts? ( mirror://gnu/unifont/${UNIFONT}/${UNIFONT}.pcf.gz )
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themes? ( https://downloads.sourceforge.net/dejavu/${DEJAVU}.zip )"
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# Includes licenses for dejavu and unifont
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LICENSE="GPL-3+ BSD MIT fonts? ( GPL-2-with-font-exception ) themes? ( CC-BY-SA-3.0 BitstreamVera )"
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SLOT="2/${PVR}"
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IUSE="device-mapper doc efiemu +fonts mount nls sdl test +themes truetype libzfs"
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GRUB_ALL_PLATFORMS=( coreboot efi-32 efi-64 emu ieee1275 loongson multiboot
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qemu qemu-mips pc uboot xen xen-32 xen-pvh )
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IUSE+=" ${GRUB_ALL_PLATFORMS[@]/#/grub_platforms_}"
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REQUIRED_USE="
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grub_platforms_coreboot? ( fonts )
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grub_platforms_qemu? ( fonts )
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grub_platforms_ieee1275? ( fonts )
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grub_platforms_loongson? ( fonts )
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"
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BDEPEND+="
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${PYTHON_DEPS}
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>=sys-devel/flex-2.5.35
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sys-devel/bison
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sys-apps/help2man
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sys-apps/texinfo
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fonts? (
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media-libs/freetype:2
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virtual/pkgconfig
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)
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test? (
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app-admin/genromfs
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app-alternatives/cpio
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app-arch/lzop
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app-emulation/qemu
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dev-libs/libisoburn
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sys-apps/miscfiles
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sys-block/parted
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sys-fs/squashfs-tools
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)
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themes? (
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app-arch/unzip
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media-libs/freetype:2
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virtual/pkgconfig
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)
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truetype? ( virtual/pkgconfig )
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"
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DEPEND="
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app-arch/xz-utils
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>=sys-libs/ncurses-5.2-r5:0=
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grub_platforms_emu? (
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sdl? ( media-libs/libsdl2 )
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)
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device-mapper? ( >=sys-fs/lvm2-2.02.45 )
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libzfs? ( sys-fs/zfs:= )
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mount? ( sys-fs/fuse:3 )
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truetype? ( media-libs/freetype:2= )
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ppc? ( >=sys-apps/ibm-powerpc-utils-1.3.5 )
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ppc64? ( >=sys-apps/ibm-powerpc-utils-1.3.5 )
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"
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RDEPEND="${DEPEND}
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kernel_linux? (
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grub_platforms_efi-32? ( sys-boot/efibootmgr )
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grub_platforms_efi-64? ( sys-boot/efibootmgr )
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)
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!sys-boot/grub:0
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nls? ( sys-devel/gettext )
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"
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RESTRICT="!test? ( test ) test? ( userpriv )"
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QA_EXECSTACK="usr/bin/grub-emu* usr/lib/grub/*"
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QA_PRESTRIPPED="usr/lib/grub/.*"
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QA_MULTILIB_PATHS="usr/lib/grub/.*"
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QA_WX_LOAD="usr/lib/grub/*"
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pkg_setup() {
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:
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}
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src_unpack() {
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if [[ ${PV} == 9999 ]]; then
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git-r3_src_unpack
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pushd "${P}" >/dev/null || die
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local GNULIB_URI="https://git.savannah.gnu.org/git/gnulib.git"
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local GNULIB_REVISION=$(source bootstrap.conf >/dev/null; echo "${GNULIB_REVISION}")
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git-r3_fetch "${GNULIB_URI}" "${GNULIB_REVISION}"
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git-r3_checkout "${GNULIB_URI}" gnulib
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popd >/dev/null || die
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elif use verify-sig; then
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verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.sig}
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fi
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default
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}
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src_prepare() {
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local PATCHES=(
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"${FILESDIR}"/gfxpayload.patch
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"${FILESDIR}"/grub-2.02_beta2-KERNEL_GLOBS.patch
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"${FILESDIR}"/grub-2.06-test-words.patch
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"${FILESDIR}"/grub-2.12-fwsetup.patch
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"${WORKDIR}"/grub-2.12-bash-completion.patch
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)
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default
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python_setup
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if [[ -n ${GRUB_BOOTSTRAP} ]]; then
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eautopoint --force
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AUTOPOINT=: AUTORECONF=: ./bootstrap || die
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elif [[ -n ${GRUB_AUTOGEN} ]]; then
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FROM_BOOTSTRAP=1 ./autogen.sh || die
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fi
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if [[ -n ${GRUB_AUTORECONF} ]]; then
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eautoreconf
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fi
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# Avoid error due to extra_deps.lst missing from source tarball:
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# make[3]: *** No rule to make target 'grub-core/extra_deps.lst', needed by 'syminfo.lst'. Stop.
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echo "depends bli part_gpt" > grub-core/extra_deps.lst || die
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}
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grub_do() {
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multibuild_foreach_variant run_in_build_dir "$@"
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}
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grub_do_once() {
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multibuild_for_best_variant run_in_build_dir "$@"
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}
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grub_configure() {
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local platform
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case ${MULTIBUILD_VARIANT} in
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efi*) platform=efi ;;
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xen-pvh) platform=xen_pvh ;;
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xen*) platform=xen ;;
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guessed) ;;
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*) platform=${MULTIBUILD_VARIANT} ;;
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esac
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case ${MULTIBUILD_VARIANT} in
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*-32)
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if [[ ${CTARGET:-${CHOST}} == x86_64* ]]; then
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local CTARGET=i386
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fi ;;
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*-64)
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if [[ ${CTARGET:-${CHOST}} == i?86* ]]; then
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local CTARGET=x86_64
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local -x TARGET_CFLAGS="-Os -march=x86-64 ${TARGET_CFLAGS}"
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local -x TARGET_CPPFLAGS="-march=x86-64 ${TARGET_CPPFLAGS}"
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fi ;;
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esac
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local myeconfargs=(
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--disable-werror
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--program-prefix=
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--libdir="${EPREFIX}"/usr/lib
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$(use_enable device-mapper)
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$(use_enable mount grub-mount)
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$(use_enable nls)
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$(use_enable themes grub-themes)
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$(use_enable truetype grub-mkfont)
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$(use_enable libzfs)
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--enable-grub-emu-sdl=no
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$(use_enable sdl grub-emu-sdl2)
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${platform:+--with-platform=}${platform}
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# Let configure detect this where supported
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$(usex efiemu '' '--disable-efiemu')
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)
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if use fonts; then
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ln -rs "${WORKDIR}/${UNIFONT}.pcf" unifont.pcf || die
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fi
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if use themes; then
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ln -rs "${WORKDIR}/${DEJAVU}/ttf/DejaVuSans.ttf" DejaVuSans.ttf || die
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fi
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local ECONF_SOURCE="${S}"
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econf "${myeconfargs[@]}"
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}
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src_configure() {
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# Bug 508758.
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replace-flags -O3 -O2
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# Workaround for bug 829165.
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filter-ldflags -pie
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# We don't want to leak flags onto boot code.
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export HOST_CCASFLAGS=${CCASFLAGS}
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export HOST_CFLAGS=${CFLAGS}
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export HOST_CPPFLAGS=${CPPFLAGS}
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export HOST_LDFLAGS=${LDFLAGS}
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unset CCASFLAGS CFLAGS CPPFLAGS LDFLAGS
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tc-ld-disable-gold #439082 #466536 #526348
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export TARGET_LDFLAGS="${TARGET_LDFLAGS} ${LDFLAGS}"
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unset LDFLAGS
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tc-export CC NM OBJCOPY RANLIB STRIP
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tc-export BUILD_CC BUILD_PKG_CONFIG
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# Force configure to use flex & bison, bug 887211.
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export LEX=flex
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unset YACC
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MULTIBUILD_VARIANTS=()
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local p
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for p in "${GRUB_ALL_PLATFORMS[@]}"; do
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use "grub_platforms_${p}" && MULTIBUILD_VARIANTS+=( "${p}" )
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done
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[[ ${#MULTIBUILD_VARIANTS[@]} -eq 0 ]] && MULTIBUILD_VARIANTS=( guessed )
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grub_do grub_configure
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}
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src_compile() {
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# Sandbox bug 404013.
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use libzfs && { addpredict /etc/dfs; addpredict /dev/zfs; }
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grub_do emake
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use doc && grub_do_once emake -C docs html
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}
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src_test() {
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# The qemu dependency is a bit complex.
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# You will need to adjust QEMU_SOFTMMU_TARGETS to match the cpu/platform.
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local SANDBOX_WRITE=${SANDBOX_WRITE}
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addwrite /dev
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grub_do emake -j1 check
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}
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grub_mkstandalone_secureboot() {
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use secureboot || return
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if tc-is-cross-compiler; then
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ewarn "USE=secureboot is not supported when cross-compiling."
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ewarn "No standalone EFI executable will be built."
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return 1
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fi
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local standalone_targets
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||||
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case ${CTARGET:-${CHOST}} in
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i?86* | x86_64*)
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use grub_platforms_efi-32 && standalone_targets+=( i386-efi )
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use grub_platforms_efi-64 && standalone_targets+=( x86_64-efi )
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||||
;;
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arm* | aarch64*)
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use grub_platforms_efi-32 && standalone_targets+=( arm-efi )
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use grub_platforms_efi-64 && standalone_targets+=( arm64-efi )
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;;
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riscv*)
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use grub_platforms_efi-32 && standalone_targets+=( riscv32-efi )
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use grub_platforms_efi-64 && standalone_targets+=( riscv64-efi )
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;;
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ia64*)
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use grub_platforms_efi-64 && standalone_targets+=( ia64-efi )
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;;
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loongarch64*)
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use grub_platforms_efi-64 && standalone_targets+=( loongarch64-efi )
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||||
;;
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esac
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||||
|
||||
if [[ ${#standalone_targets[@]} -eq 0 ]]; then
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||||
ewarn "USE=secureboot is enabled, but no suitable EFI target in GRUB_PLATFORMS."
|
||||
ewarn "No standalone EFI executable will be built."
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||||
return 1
|
||||
fi
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||||
|
||||
local target mkstandalone_args
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||||
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||||
# grub-mkstandalone embeds a config file, make this config file chainload
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||||
# a config file in the same directory grub is installed in. This requires
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||||
# pre-loading the part_gpt and part_msdos modules.
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||||
echo 'configfile ${cmdpath}/grub.cfg' > "${T}/grub.cfg" || die
|
||||
for target in "${standalone_targets[@]}"; do
|
||||
ebegin "Building standalone EFI executable for ${target}"
|
||||
mkstandalone_args=(
|
||||
--verbose
|
||||
--directory="${ED}/usr/lib/grub/${target}"
|
||||
--locale-directory="${ED}/usr/share/locale"
|
||||
--format="${target}"
|
||||
--modules="part_gpt part_msdos"
|
||||
--sbat="${ED}/usr/share/grub/sbat.csv"
|
||||
--output="${ED}/usr/lib/grub/grub-${target%-efi}.efi"
|
||||
"boot/grub/grub.cfg=${T}/grub.cfg"
|
||||
)
|
||||
|
||||
"${ED}/usr/bin/grub-mkstandalone" "${mkstandalone_args[@]}"
|
||||
eend ${?} || die "grub-mkstandalone failed to build EFI executable"
|
||||
done
|
||||
|
||||
secureboot_auto_sign
|
||||
}
|
||||
|
||||
src_install() {
|
||||
grub_do emake install DESTDIR="${D}" bashcompletiondir="$(get_bashcompdir)"
|
||||
use doc && grub_do_once emake -C docs install-html DESTDIR="${D}"
|
||||
|
||||
einstalldocs
|
||||
|
||||
insinto /etc/default
|
||||
newins "${FILESDIR}"/grub.default-4 grub
|
||||
|
||||
# https://bugs.gentoo.org/231935
|
||||
dostrip -x /usr/lib/grub
|
||||
|
||||
sed -e "s/%PV%/${PV}/" "${FILESDIR}/sbat.csv" > "${T}/sbat.csv" || die
|
||||
insinto /usr/share/grub
|
||||
doins "${T}/sbat.csv"
|
||||
|
||||
if use elibc_musl; then
|
||||
# https://bugs.gentoo.org/900348
|
||||
QA_CONFIG_IMPL_DECL_SKIP=( re_{compile_pattern,match,search,set_syntax} )
|
||||
fi
|
||||
|
||||
grub_mkstandalone_secureboot
|
||||
}
|
||||
|
||||
pkg_postinst() {
|
||||
elog "For information on how to configure GRUB2 please refer to the guide:"
|
||||
elog " https://wiki.gentoo.org/wiki/GRUB2_Quick_Start"
|
||||
|
||||
if [[ -n ${REPLACING_VERSIONS} ]]; then
|
||||
local v
|
||||
for v in ${REPLACING_VERSIONS}; do
|
||||
if ver_test -gt ${v}; then
|
||||
ewarn
|
||||
ewarn "Re-run grub-install to update installed boot code!"
|
||||
ewarn "Re-run grub-mkconfig to update grub.cfg!"
|
||||
ewarn
|
||||
break
|
||||
fi
|
||||
done
|
||||
else
|
||||
elog
|
||||
optfeature "detecting other operating systems (grub-mkconfig)" sys-boot/os-prober
|
||||
optfeature "creating rescue media (grub-mkrescue)" dev-libs/libisoburn sys-fs/mtools
|
||||
optfeature "enabling RAID device detection" sys-fs/mdadm
|
||||
optfeature "automatically updating GRUB's configuration on each kernel installation" "sys-kernel/installkernel[grub]"
|
||||
fi
|
||||
|
||||
if has_version 'sys-boot/grub:0'; then
|
||||
elog "A migration guide for GRUB Legacy users is available:"
|
||||
elog " https://wiki.gentoo.org/wiki/GRUB2_Migration"
|
||||
fi
|
||||
|
||||
if has_version sys-boot/os-prober; then
|
||||
ewarn "Due to security concerns, os-prober is disabled by default."
|
||||
ewarn "Set GRUB_DISABLE_OS_PROBER=false in /etc/default/grub to enable it."
|
||||
fi
|
||||
|
||||
if use secureboot; then
|
||||
elog
|
||||
elog "The signed standalone grub EFI executable(s) are available in:"
|
||||
elog " /usr/lib/grub/grub-<target>.efi(.signed)"
|
||||
elog "These EFI executables should be copied to the usual location at:"
|
||||
elog " ESP/EFI/Gentoo/grub<arch>.efi"
|
||||
elog "Note that 'grub-install' does not install these images."
|
||||
elog
|
||||
elog "These standalone grub executables read the grub config file from"
|
||||
elog "the grub.cfg in the same directory instead of the default"
|
||||
elog "/boot/grub/grub.cfg. When sys-kernel/installkernel[grub] is used,"
|
||||
elog "the location of the grub.cfg may be overridden by setting the"
|
||||
elog "GRUB_CFG environment variable:"
|
||||
elog " GRUB_CFG=ESP/EFI/Gentoo/grub.cfg"
|
||||
elog
|
||||
fi
|
||||
}
|
||||
@@ -29,7 +29,8 @@ if [[ -n ${GRUB_AUTORECONF} ]]; then
|
||||
inherit autotools
|
||||
fi
|
||||
|
||||
inherit bash-completion-r1 flag-o-matic multibuild optfeature python-any-r1 toolchain-funcs
|
||||
inherit bash-completion-r1 flag-o-matic multibuild optfeature python-any-r1
|
||||
inherit secureboot toolchain-funcs
|
||||
|
||||
DESCRIPTION="GNU GRUB boot loader"
|
||||
HOMEPAGE="https://www.gnu.org/software/grub/"
|
||||
@@ -291,6 +292,70 @@ src_test() {
|
||||
grub_do emake -j1 check
|
||||
}
|
||||
|
||||
grub_mkstandalone_secureboot() {
|
||||
use secureboot || return
|
||||
|
||||
if tc-is-cross-compiler; then
|
||||
ewarn "USE=secureboot is not supported when cross-compiling."
|
||||
ewarn "No standalone EFI executable will be built."
|
||||
return 1
|
||||
fi
|
||||
|
||||
local standalone_targets
|
||||
|
||||
case ${CTARGET:-${CHOST}} in
|
||||
i?86* | x86_64*)
|
||||
use grub_platforms_efi-32 && standalone_targets+=( i386-efi )
|
||||
use grub_platforms_efi-64 && standalone_targets+=( x86_64-efi )
|
||||
;;
|
||||
arm* | aarch64*)
|
||||
use grub_platforms_efi-32 && standalone_targets+=( arm-efi )
|
||||
use grub_platforms_efi-64 && standalone_targets+=( arm64-efi )
|
||||
;;
|
||||
riscv*)
|
||||
use grub_platforms_efi-32 && standalone_targets+=( riscv32-efi )
|
||||
use grub_platforms_efi-64 && standalone_targets+=( riscv64-efi )
|
||||
;;
|
||||
ia64*)
|
||||
use grub_platforms_efi-64 && standalone_targets+=( ia64-efi )
|
||||
;;
|
||||
loongarch64*)
|
||||
use grub_platforms_efi-64 && standalone_targets+=( loongarch64-efi )
|
||||
;;
|
||||
esac
|
||||
|
||||
if [[ ${#standalone_targets[@]} -eq 0 ]]; then
|
||||
ewarn "USE=secureboot is enabled, but no suitable EFI target in GRUB_PLATFORMS."
|
||||
ewarn "No standalone EFI executable will be built."
|
||||
return 1
|
||||
fi
|
||||
|
||||
local target mkstandalone_args
|
||||
|
||||
# grub-mkstandalone embeds a config file, make this config file chainload
|
||||
# a config file in the same directory grub is installed in. This requires
|
||||
# pre-loading the part_gpt and part_msdos modules.
|
||||
echo 'configfile ${cmdpath}/grub.cfg' > "${T}/grub.cfg" || die
|
||||
for target in "${standalone_targets[@]}"; do
|
||||
ebegin "Building standalone EFI executable for ${target}"
|
||||
mkstandalone_args=(
|
||||
--verbose
|
||||
--directory="${ED}/usr/lib/grub/${target}"
|
||||
--locale-directory="${ED}/usr/share/locale"
|
||||
--format="${target}"
|
||||
--modules="part_gpt part_msdos"
|
||||
--sbat="${ED}/usr/share/grub/sbat.csv"
|
||||
--output="${ED}/usr/lib/grub/grub-${target%-efi}.efi"
|
||||
"boot/grub/grub.cfg=${T}/grub.cfg"
|
||||
)
|
||||
|
||||
"${ED}/usr/bin/grub-mkstandalone" "${mkstandalone_args[@]}"
|
||||
eend ${?} || die "grub-mkstandalone failed to build EFI executable"
|
||||
done
|
||||
|
||||
secureboot_auto_sign
|
||||
}
|
||||
|
||||
src_install() {
|
||||
grub_do emake install DESTDIR="${D}" bashcompletiondir="$(get_bashcompdir)"
|
||||
use doc && grub_do_once emake -C docs install-html DESTDIR="${D}"
|
||||
@@ -311,6 +376,8 @@ src_install() {
|
||||
# https://bugs.gentoo.org/900348
|
||||
QA_CONFIG_IMPL_DECL_SKIP=( re_{compile_pattern,match,search,set_syntax} )
|
||||
fi
|
||||
|
||||
grub_mkstandalone_secureboot
|
||||
}
|
||||
|
||||
pkg_postinst() {
|
||||
@@ -345,4 +412,21 @@ pkg_postinst() {
|
||||
ewarn "Due to security concerns, os-prober is disabled by default."
|
||||
ewarn "Set GRUB_DISABLE_OS_PROBER=false in /etc/default/grub to enable it."
|
||||
fi
|
||||
|
||||
if use secureboot; then
|
||||
elog
|
||||
elog "The signed standalone grub EFI executable(s) are available in:"
|
||||
elog " /usr/lib/grub/grub-<target>.efi(.signed)"
|
||||
elog "These EFI executables should be copied to the usual location at:"
|
||||
elog " ESP/EFI/Gentoo/grub<arch>.efi"
|
||||
elog "Note that 'grub-install' does not install these images."
|
||||
elog
|
||||
elog "These standalone grub executables read the grub config file from"
|
||||
elog "the grub.cfg in the same directory instead of the default"
|
||||
elog "/boot/grub/grub.cfg. When sys-kernel/installkernel[grub] is used,"
|
||||
elog "the location of the grub.cfg may be overridden by setting the"
|
||||
elog "GRUB_CFG environment variable:"
|
||||
elog " GRUB_CFG=ESP/EFI/Gentoo/grub.cfg"
|
||||
elog
|
||||
fi
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user