Convert patchset to a tarball. Don't set gfxpayload by default if not booting with efi, bug 528826.

Package-Manager: portage-2.2.14/cvs/Linux x86_64
Manifest-Sign-Key: 0x0BBEEA1FEA4843A4

3 files changed, 335 insertions, 5 deletions

diff --git a/sys-boot/grub/ChangeLog b/sys-boot/grub/ChangeLog
index 5a2304a77b09..0945765fad4e 100644
--- a/sys-boot/grub/ChangeLog
+++ b/sys-boot/grub/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for sys-boot/grub
 # Copyright 1999-2014 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/ChangeLog,v 1.326 2014/10/22 21:28:39 axs Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/ChangeLog,v 1.327 2014/12/03 15:23:57 floppym Exp $
+
+*grub-2.02_beta2-r3 (03 Dec 2014)
+
+  03 Dec 2014; Mike Gilbert <floppym@gentoo.org> +grub-2.02_beta2-r3.ebuild:
+  Convert patchset to a tarball. Don't set gfxpayload by default if not booting
+  with efi, bug 528826.
 
   22 Oct 2014; Ian Stakenvicius (_AxS_) <axs@gentoo.org>
   -files/grub-0.97-force-ld.bfd.patch, grub-0.97-r14.ebuild:
diff --git a/sys-boot/grub/Manifest b/sys-boot/grub/Manifest
index 47d14c5d5fe9..e2314b415df3 100644
--- a/sys-boot/grub/Manifest
+++ b/sys-boot/grub/Manifest
@@ -19,6 +19,7 @@ DIST dejavu-sans-ttf-2.34.zip 406977 SHA256 242e8c1cb2bdc7458bece02cca898f962c2b
 DIST grub-0.97-patches-1.14.tar.bz2 52916 SHA256 5c7ca31fd9b2123471daf2e46a1936c4044ad0c12e353d9d3d8c3f83a1c7a0e5 SHA512 d9a8d420fd5a36f181ca608f9b70be90f9d82cee66c8484636fda5085290586071b5d9379d917e8141b993ffc4777859cd02971c916d6167dca6f50d83282c26 WHIRLPOOL 60abd5087e85d9969784b9f5a100934606a76da03b665533d9d4d1d13f4e2d15de233a71e67a32d18a5fbfe128c2c8bf04c0d4451de24e6ca4fbd8dd862e23ea
 DIST grub-0.97.tar.gz 971783 SHA256 4e1d15d12dbd3e9208111d6b806ad5a9857ca8850c47877d36575b904559260b SHA512 c2bc9ffc8583aeae71cee9ddcc4418969768d4e3764d47307da54f93981c0109fb07d84b061b3a3628bd00ba4d14a54742bc04848110eb3ae8ca25dbfbaabadb WHIRLPOOL 0ad7f5dc035e2a3ad5fd29b6388f06fd12a8cc694117b4cbd42b5302433aa522db23566222d35219fe17fb95edb5090553156198507f70208eda5d858fd52dd5
 DIST grub-2.00_p5107.tar.xz 5836972 SHA256 92fd8f93621e7083f32ba6ef407f2984e5d3caaafdc35fb3d89ed054ca7c4dac SHA512 a70017dfc837e8fa869af7f71ca6191973f3f44f5a93378100cff5da425aa132b3903a3602ab907ef070872bb7a17f0586c8415845645c596d0621a4929ca83d WHIRLPOOL 5d88806fc849d2ff78ca590312110be4505e2801fee7c68faba39a54a44eedc16eb25dad88f1ff0058dea2e98382944c7e7632ccfa6f4a171ff0ef00cf67fd2d
+DIST grub-2.02_beta2-gentoo.tar.xz 6916 SHA256 63453b35faa6e02cc6e3067160158a591ed8d1e417fc2d1fce25556b28f76e03 SHA512 edc37adae1a4c9bad4bb29f335379e1e2b0a25ba7ef2768689fe0dfc236ea7057d80699659fd5facda431df957073827eba1cd83dd0204e81f068570de3722a7 WHIRLPOOL b463cb3f4a714b20845d3dbd493a0d3408a47a1fe140ca3a4dffa77052f9bfcf25046de7881e516022aa970c48701a1278cd8b598e8e1ce03a28347fbd68dab0
 DIST grub-2.02~beta2.tar.xz 5798740 SHA256 f6c702b2a8ea58f27a2b02928bb77973cb5a827af08f63db38c471c0a01b418d SHA512 359903928febce1df53b3bd38aab701b4ea010dfad0dee434e853c865af4bbc60d115e61eac100c79f18d89aa78b2216ef20123f4ef04cc948ecbe226ea1a58c WHIRLPOOL f92e94f43888648484a972a0c82b0a2ac4dc7fbdd6e35ca8b11a6ee92168ac8cf7ee68987b84697ec46ad18189e5c5c9aee8105b91bb131cd7f6f499f45cd58f
 DIST splash.xpm.gz 33856 SHA256 b95600f777331b0dd31d51c68f60f0e846e4c8b628857a41165f4e6b30e6acaf SHA512 5ae1f786f7d46a95a7061068d5b2b3ad64607c7b190d6f28379508c5dce67e26308325bfd637542a84855dfcf1ea3d143947326fdb189a6a8972208d3ead23da WHIRLPOOL d95b7b588ea8ac7c2c8c53eb8057aef21c825da6411afe3b7e864c606aeffaaebce8ae41ce3e979f277bd6b48a9e82a1f2ea8afc836213b56523d8a854227d7b
 DIST unifont-5.1.20080820.pcf.gz 1379965 SHA256 122b9c470f29b70223b0e07404a6dfa7f339fcfa6ae74c024f478945af7a9a63 SHA512 8939e2bc82ca97b60e6678f3ff079a2be7ba9b702f2e8ee289e853af5823695f7baafbf14b674fc5e41071f2a6de4f2dadd56bf8b4653849dd756d59622f1649 WHIRLPOOL 0f083d66781cc4c3e554ebeda4e21843fa275ecf3e1908b4873fadfe37b7c88e8346a124656704bb1b29f89afee23d6301b4df0f19e788f454c60d47156fe78d
@@ -29,14 +30,15 @@ EBUILD grub-0.97-r13.ebuild 9384 SHA256 c694ab37f477548da2b98c9beb2c5432ddd799e4
 EBUILD grub-0.97-r14.ebuild 10015 SHA256 ac4c43cee05874f5efb5b7c14f9709e8d60d230b6291924a6e1afdae7e6a288b SHA512 3c9673df98c57f3b9bc7a415ccc829ff89a06cb94ffb1562f74e78e0ee4286fe4b7b18c5f447ec4d772d07bfd3e7ed1238571b794f0fc3094cf247fe09fadfd3 WHIRLPOOL df766fd952d9bb2f1505a8dbae6d52d6014b3561de59b2c15ae4a751968cd0ce20674698a2415bef5719cfee5e7c2062ccae2a0e88a9283a88fc83d6daa0b9a9
 EBUILD grub-2.00_p5107-r2.ebuild 8180 SHA256 1db3f6266e63332ef89d9c32895189fee3307a5ca2f687620df43c5a9d52547a SHA512 f95264d8eff99a1dd8420d64539aef4b7eb464edc8119076af7c175fac418d0e554ee7bb0ae4edb57c3a1a5b82f32da51db6b7ffc4a9a62dc7541d3694b65faa WHIRLPOOL d1dd247120f6de17aaea2899760fd7daf3eb242a3945f6ae2c03eae71c33e3c6bb780639a030d9ba46f4b9b8f23d383fc6559306e40a82be293466ce6d6270a5
 EBUILD grub-2.02_beta2-r2.ebuild 8328 SHA256 6af98ef30ca56653fefca115f33ba9b2d518c004cddd2cd1dbba19777dee69af SHA512 09e6f91066a12f3890f61efc04c4df14a999bdf46caf6c5a23ec5b6f6db7dfd43a8477046f3ecc9741ca648076c1af78a15b25a61289b66dda32a922fb168307 WHIRLPOOL b392e7b379edb1634d36649039134f2245cf16e5fa19036e820e8f748df1d99e3e107ece8d2708f7e337a7a0c32f83426b45beed2cd8117c84d64401fef6fac9
+EBUILD grub-2.02_beta2-r3.ebuild 8313 SHA256 63d6e260cbfb00ed9640a0c419cb3c48e2fd7f087a09e309d355647eb9bbd9c5 SHA512 5788ef9d610d9b9e355ca544fc4f37124526ef41ec8b057f0102a704d36808f7f813002ca8d13d2d4f891c22a8e469a75b1f3996546bb5510a483bf514bef6f4 WHIRLPOOL 428bbc5aefb34e1a4fcfc38512dc9c6cd6ee4181d540117d4e269c4981bd1e1c15bc60691c8219c3013760c510ab35d02c9d4995339611e3b73f3e5ae49ab14a
 EBUILD grub-2.02_beta2.ebuild 8304 SHA256 7c41c4abbb6daef697960d00f9f44f2779095b4918ac975c97799c0fd38b958f SHA512 07ee0e1605e12899d5544db3e3672d4c91f7dcc6b65556d27c32ab1edf9a39a183a6b7be6eeb4ad1f5c4be84dee3a0e18af90867241069c253e4be7185163f54 WHIRLPOOL dc310d7dbea7e310da6f7ee3b1f0563014cba9102f325603cf7d3f7ce6047a93fa4f50777e3b86097c04a372c659eb12ab06ded3293585b0c87c74872c31b5fc
 EBUILD grub-9999-r1.ebuild 8265 SHA256 4cbbf5b3b600b1c295c0b14b7157174d6817f9c2724db311868dc54572fcb286 SHA512 6ca182564c008970a68d340587773f62181497bb76c5ab5820e13fce6cd041045a320b29ae0a758f90820fd320cece8acb18b5c28507e54e11b6920fdc690085 WHIRLPOOL 889ffae3843a84c182bc48736084c5706c065e8144177292837d5291522002b8a75bcdf3a780204d7b34d7d2fa11a75730e324d4971a821d895c0842baf15554
-MISC ChangeLog 62277 SHA256 fb08a3007cf238913a137224d0786ecc77253f190e50e3fa8aca2dd79bf26377 SHA512 c0c8c08b0e561d4cfa0bd63ea645743fc2799c29b8f73664141f16fad2c00fb3b1c69f07c559d4df55026a7c93e615396ca1e38f105a8be2acc626392b0f078e WHIRLPOOL c23f38fa3f94a7efa80d69c3c16494ff2e70b3ebcd7464ad5ab532dcbef80fcd40b21d4ca7a206c9e0702d51ccaacc98ffdd1d21960efacf3d0474c4b6ed8a08
+MISC ChangeLog 62498 SHA256 d97ae4fe453b9f48fb6fd5ca1fb1fa94851f90046a4ace0ff4d55c36130082aa SHA512 23d73c82f345d0b7412707572bbe38525d14e885b4e5e7958893f641bb262617f717158352e6f3746b8efc2f57fc1647502b913e3b2180d7ec635aea2a33d3e9 WHIRLPOOL 18be6ebeb415dff306fdc30f62e5fa3d5a46aedf66f1940cb49d9018858299f62a2ae0b510518f4c95ba97bdd7c1917f17891e3f0dbe2ddcaf415ce2e4c9c7b1
 MISC metadata.xml 838 SHA256 01beea9f20f03e00fdc21576a1311d3c21874980cdd57a9f2ed08a9d7cda1c46 SHA512 f6266f2f77db089d2f9289be079ef5a3637726b0906c5e96a7d8b7e29a8105cb7c48b9739f5607c0fdac2545db0e87f35132769f82b12db11a6f0018cc3c92f2 WHIRLPOOL 528d4f57ca38b0f0d4c34cd6bd60c7aeefc0fabd1e1e7be8efe0fcba04824d047a6e04288f1fbbd8e865c7435b53e84caffe7d4196809b157ee76e0d2be6f8df
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
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-aoK0zrCGnNwXpKFir7IBALMV9G34kawIm6Z7gh1+W5b4uJgGr88tHaPrYMNaFQ7O
-=4zba
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diff --git a/sys-boot/grub/grub-2.02_beta2-r3.ebuild b/sys-boot/grub/grub-2.02_beta2-r3.ebuild
new file mode 100644
index 000000000000..8780f67acbfa
--- /dev/null
+++ b/sys-boot/grub/grub-2.02_beta2-r3.ebuild
@@ -0,0 +1,322 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/grub-2.02_beta2-r3.ebuild,v 1.1 2014/12/03 15:23:57 floppym Exp $
+
+EAPI=5
+
+AUTOTOOLS_AUTORECONF=1
+GRUB_AUTOGEN=1
+
+if [[ -n ${GRUB_AUTOGEN} ]]; then
+	PYTHON_COMPAT=( python{2_6,2_7,3_2,3_3,3_4} )
+	inherit python-any-r1
+fi
+
+inherit autotools-utils bash-completion-r1 eutils flag-o-matic mount-boot multibuild pax-utils toolchain-funcs versionator
+
+if [[ ${PV} != 9999 ]]; then
+	if [[ ${PV} == *_alpha* || ${PV} == *_beta* || ${PV} == *_rc* ]]; then
+		# The quote style is to work with <=bash-4.2 and >=bash-4.3 #503860
+		MY_P=${P/_/'~'}
+		SRC_URI="mirror://gnu-alpha/${PN}/${MY_P}.tar.xz
+			http://dev.gentoo.org/~floppym/dist/${P}-gentoo.tar.xz"
+		S=${WORKDIR}/${MY_P}
+	else
+		SRC_URI="mirror://gnu/${PN}/${P}.tar.xz
+			http://dev.gentoo.org/~floppym/dist/${P}.tar.xz"
+		S=${WORKDIR}/${P%_*}
+	fi
+	KEYWORDS="~amd64 ~x86"
+	PATCHES=()
+else
+	inherit git-r3
+	EGIT_REPO_URI="git://git.sv.gnu.org/grub.git
+		http://git.savannah.gnu.org/r/grub.git"
+fi
+
+DEJAVU=dejavu-sans-ttf-2.34
+UNIFONT=unifont-7.0.01
+SRC_URI+=" mirror://gnu/unifont/${UNIFONT}/${UNIFONT}.pcf.gz
+	truetype? ( mirror://sourceforge/dejavu/${DEJAVU}.zip )"
+
+DESCRIPTION="GNU GRUB boot loader"
+HOMEPAGE="http://www.gnu.org/software/grub/"
+
+# Includes licenses for dejavu and unifont
+LICENSE="GPL-3 truetype? ( BitstreamVera GPL-2-with-font-exception )"
+SLOT="2"
+IUSE="debug device-mapper doc efiemu mount +multislot nls static sdl test truetype libzfs"
+
+GRUB_ALL_PLATFORMS=(
+	# everywhere:
+	emu
+	# mips only:
+	qemu-mips loongson
+	# amd64, x86, ppc, ppc64:
+	ieee1275
+	# amd64, x86:
+	coreboot multiboot efi-32 pc qemu xen
+	# amd64, ia64:
+	efi-64
+)
+IUSE+=" ${GRUB_ALL_PLATFORMS[@]/#/grub_platforms_}"
+
+# os-prober: Used on runtime to detect other OSes
+# xorriso (dev-libs/libisoburn): Used on runtime for mkrescue
+RDEPEND="
+	app-arch/xz-utils
+	>=sys-libs/ncurses-5.2-r5
+	debug? (
+		sdl? ( media-libs/libsdl )
+	)
+	device-mapper? ( >=sys-fs/lvm2-2.02.45 )
+	libzfs? ( sys-fs/zfs )
+	mount? ( sys-fs/fuse )
+	truetype? ( media-libs/freetype:2= )
+	ppc? ( sys-apps/ibm-powerpc-utils sys-apps/powerpc-utils )
+	ppc64? ( sys-apps/ibm-powerpc-utils sys-apps/powerpc-utils )
+"
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	app-misc/pax-utils
+	sys-devel/flex
+	sys-devel/bison
+	sys-apps/help2man
+	sys-apps/texinfo
+	grub_platforms_coreboot? ( media-libs/freetype:2 )
+	grub_platforms_qemu? ( media-libs/freetype:2 )
+	grub_platforms_ieee1275? ( media-libs/freetype:2 )
+	grub_platforms_loongson? ( media-libs/freetype:2 )
+	grub_platforms_xen? ( app-emulation/xen-tools )
+	static? (
+		app-arch/xz-utils[static-libs(+)]
+		truetype? (
+			app-arch/bzip2[static-libs(+)]
+			media-libs/freetype[static-libs(+)]
+			sys-libs/zlib[static-libs(+)]
+		)
+	)
+	test? (
+		dev-libs/libisoburn
+		app-emulation/qemu
+	)
+	truetype? ( app-arch/unzip )
+"
+RDEPEND+="
+	kernel_linux? (
+		grub_platforms_efi-32? ( sys-boot/efibootmgr )
+		grub_platforms_efi-64? ( sys-boot/efibootmgr )
+	)
+	!multislot? ( !sys-boot/grub:0 )
+	nls? ( sys-devel/gettext )
+"
+
+STRIP_MASK="*/grub/*/*.{mod,img}"
+RESTRICT="test"
+
+QA_EXECSTACK="
+	usr/bin/grub*-emu*
+	usr/lib*/grub/*/*.mod
+	usr/lib*/grub/*/*.module
+	usr/lib*/grub/*/kernel.exec
+	usr/lib*/grub/*/kernel.img
+"
+
+QA_WX_LOAD="
+	usr/lib*/grub/*/kernel.exec
+	usr/lib*/grub/*/kernel.img
+	usr/lib*/grub/*/*.image
+"
+
+QA_PRESTRIPPED="
+	usr/lib.*/grub/.*/kernel.img
+"
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		# Bug 439082
+		if ! test-flags-CC -fuse-ld=bfd > /dev/null &&
+			$(tc-getLD) --version | grep -q "GNU gold"; then
+			eerror "GRUB does not function correctly when built with the gold linker."
+			eerror "Please select the bfd linker with binutils-config."
+			die "GNU gold detected"
+		fi
+	fi
+}
+
+src_unpack() {
+	if [[ ${PV} == 9999 ]]; then
+		git-r3_src_unpack
+	fi
+	default_src_unpack
+}
+
+src_prepare() {
+	EPATCH_SUFFIX="patch" EPATCH_FORCE="yes" epatch
+
+	[[ ${PATCHES} ]] && epatch "${PATCHES[@]}"
+
+	sed -i -e /autoreconf/d autogen.sh || die
+
+	if use multislot; then
+		# fix texinfo file name, bug 416035
+		sed -i -e 's/^\* GRUB:/* GRUB2:/' -e 's/(grub)/(grub2)/' docs/grub.texi || die
+	fi
+
+	epatch_user
+
+	if [[ -n ${GRUB_AUTOGEN} ]]; then
+		python_setup
+		bash autogen.sh || die
+	fi
+
+	if [[ -n ${AUTOTOOLS_AUTORECONF} ]]; then
+		autopoint() { return 0; }
+		eautoreconf
+	fi
+}
+
+setup_fonts() {
+	ln -s "${WORKDIR}/${UNIFONT}.pcf" unifont.pcf || die
+	if use truetype; then
+		ln -s "${WORKDIR}/${DEJAVU}/ttf/DejaVuSans.ttf" DejaVuSans.ttf || die
+	fi
+}
+
+grub_configure() {
+	local platform
+
+	case ${MULTIBUILD_VARIANT} in
+		efi-32)
+			platform=efi
+			if [[ ${CTARGET:-${CHOST}} == x86_64* ]]; then
+				local CTARGET=${CTARGET:-i386}
+			fi ;;
+		efi-64)
+			platform=efi
+			if [[ ${CTARGET:-${CHOST}} == i?86* ]]; then
+				local CTARGET=${CTARGET:-x86_64}
+				local TARGET_CFLAGS="-Os -march=x86-64 ${TARGET_CFLAGS}"
+				local TARGET_CPPFLAGS="-march=x86-64 ${TARGET_CPPFLAGS}"
+				export TARGET_CFLAGS TARGET_CPPFLAGS
+			fi ;;
+		guessed) ;;
+		*)	platform=${MULTIBUILD_VARIANT} ;;
+	esac
+
+	local myeconfargs=(
+		--disable-werror
+		--program-prefix=
+		--libdir="${EPREFIX}"/usr/lib
+		--htmldir="${EPREFIX}"/usr/share/doc/${PF}/html
+		$(use_enable debug mm-debug)
+		$(use_enable debug grub-emu-usb)
+		$(use_enable device-mapper)
+		$(use_enable mount grub-mount)
+		$(use_enable nls)
+		$(use_enable truetype grub-mkfont)
+		$(use_enable libzfs)
+		$(use sdl && use_enable debug grub-emu-sdl)
+		${platform:+--with-platform=}${platform}
+
+		# Let configure detect this where supported
+		$(usex efiemu '' '--disable-efiemu')
+	)
+
+	if use multislot; then
+		myeconfargs+=( --program-transform-name="s,grub,grub2," )
+	fi
+
+	mkdir -p "${BUILD_DIR}" || die
+	run_in_build_dir setup_fonts
+
+	autotools-utils_src_configure
+}
+
+src_configure() {
+	# Bug 508758.
+	replace-flags -O3 -O2
+
+	# We don't want to leak flags onto boot code.
+	export HOST_CCASFLAGS=${CCASFLAGS}
+	export HOST_CFLAGS=${CFLAGS}
+	export HOST_CPPFLAGS=${CPPFLAGS}
+	export HOST_LDFLAGS=${LDFLAGS}
+	unset CCASFLAGS CFLAGS CPPFLAGS LDFLAGS
+
+	use static && HOST_LDFLAGS+=" -static"
+
+	export TARGET_LDFLAGS+=" $(test-flags-CC -fuse-ld=bfd)"
+
+	tc-export CC NM OBJCOPY STRIP
+	export TARGET_CC=${TARGET_CC:-${CC}}
+	tc-export BUILD_CC # Bug 485592
+
+	# Portage will take care of cleaning up GRUB_PLATFORMS
+	MULTIBUILD_VARIANTS=( ${GRUB_PLATFORMS:-guessed} )
+	multibuild_parallel_foreach_variant grub_configure
+}
+
+src_compile() {
+	# Sandbox bug 404013.
+	use libzfs && addpredict /etc/dfs:/dev/zfs
+
+	multibuild_foreach_variant autotools-utils_src_compile
+
+	use doc && multibuild_for_best_variant \
+		autotools-utils_src_compile -C docs html
+}
+
+src_test() {
+	# The qemu dependency is a bit complex.
+	# You will need to adjust QEMU_SOFTMMU_TARGETS to match the cpu/platform.
+	multibuild_foreach_variant autotools-utils_src_test
+}
+
+src_install() {
+	multibuild_foreach_variant autotools-utils_src_install \
+		bashcompletiondir="$(get_bashcompdir)"
+
+	use doc && multibuild_for_best_variant run_in_build_dir \
+		emake -C docs DESTDIR="${D}" install-html
+
+	if use multislot; then
+		mv "${ED%/}"/usr/share/info/grub{,2}.info || die
+	fi
+
+	insinto /etc/default
+	newins "${FILESDIR}"/grub.default-3 grub
+}
+
+pkg_postinst() {
+	mount-boot_mount_boot_partition
+
+	if [[ -e "${ROOT%/}/boot/grub2/grub.cfg"  ]]; then
+		ewarn "The grub directory has changed from /boot/grub2 to /boot/grub."
+		ewarn "Please run grub2-install and grub2-mkconfig -o /boot/grub/grub.cfg."
+
+		if [[ ! -e "${ROOT%/}/boot/grub/grub.cfg" ]]; then
+			mkdir -p "${ROOT%/}/boot/grub"
+			ln -s ../grub2/grub.cfg "${ROOT%/}/boot/grub/grub.cfg"
+		fi
+	fi
+
+	mount-boot_pkg_postinst
+
+	elog "For information on how to configure GRUB2 please refer to the guide:"
+	elog "    http://wiki.gentoo.org/wiki/GRUB2_Quick_Start"
+
+	if has_version 'sys-boot/grub:0'; then
+		elog "A migration guide for GRUB Legacy users is available:"
+		elog "    http://www.gentoo.org/doc/en/grub2-migration.xml"
+	fi
+
+	if [[ -z ${REPLACING_VERSIONS} ]]; then
+		if ! has_version sys-boot/os-prober; then
+			elog "Install sys-boot/os-prober to enable detection of other operating systems using grub2-mkconfig."
+		fi
+		if ! has_version dev-libs/libisoburn; then
+			elog "Install dev-libs/libisoburn to enable creation of rescue media using grub2-mkrescue."
+		fi
+	fi
+}