sys-boot/grub: Fix build against 17.0 profile

Ebuild changes:
===============
- EAPI bumped to EAPI=6

- Sanity check for stage2 added

Bug: https://bugs.gentoo.org/608460
Package-Manager: Portage-2.3.18, Repoman-2.3.6

2 files changed, 318 insertions, 0 deletions

diff --git a/sys-boot/grub/Manifest b/sys-boot/grub/Manifest
index cad6407c3291..23837461cb94 100644
--- a/sys-boot/grub/Manifest
+++ b/sys-boot/grub/Manifest
@@ -1,5 +1,6 @@
 DIST dejavu-sans-ttf-2.37.zip 417746 BLAKE2B c8904f3cd5a49370a7dc10e456684c88aeae998a99090bf4d0a5baa4f36cc8fb8f70586cf6d610a5ffeee97261d28c80f55bbe9dcfc3ed796d5c2d60e79adb58 SHA512 ede5899daa1984c5aa8cacb1c850eb53f189dddef3d9bb78bf9774d8976b7c0d6eb0bcf86237cd7d11f5b36cf5b5058d42cd94d3bd76f2bd0931c7ceb1271fae
 DIST grub-0.97-patches-1.14.tar.bz2 52916 BLAKE2B 49000402cbdc52bf2bfe31ccc36d0ebc8ba53a58e17bc3a798d3afe5ecec3cc79fb0bb7e786667b96993a7632484b3162e035c358e0fade20ddc2a1ec8e1b073 SHA512 d9a8d420fd5a36f181ca608f9b70be90f9d82cee66c8484636fda5085290586071b5d9379d917e8141b993ffc4777859cd02971c916d6167dca6f50d83282c26
+DIST grub-0.97-patches-1.15.tar.bz2 52887 BLAKE2B a571fe3b918cad590880a277df6ef1bdf094fbc11fd25b2dfb0d790a6b1b37839460475aebc3d6e4f09f59f969ab42dfd8e2b7472aba31c296ed5e03ba3f1030 SHA512 729a4b62bd04aca5b15b83e87b799e1c7e592a5a0265ec6b7a4f4d4ebde05e3e57b62fb6eed6ee1b7692d5dc43dd9ad65898332ff806557b62a7174a797c251a
 DIST grub-0.97.tar.gz 971783 BLAKE2B a7b6feb6dddb6eeb20e027071091b2d37930e5b40687f8c8ff860839db208f832713db61389014d21842e1e152cad0466dc9722a79cbb81bfa1566a30b6b82cc SHA512 c2bc9ffc8583aeae71cee9ddcc4418969768d4e3764d47307da54f93981c0109fb07d84b061b3a3628bd00ba4d14a54742bc04848110eb3ae8ca25dbfbaabadb
 DIST grub-2.02.tar.xz 6113260 BLAKE2B 7c5ec61a8dc5a00e9cdc91c489f0d2ee37cd7e673eef8e8e26bbc18c5ec28829f563b9298874fb96d45a5d523ce366e936649c21ebda7462afda0cc328b970ce SHA512 cc6eb0a42b5c8df2f671cc128ff725afb3ff1f8832a196022e433cf0d3b75decfca2316d0aa5fabea75747d55e88f3d021dd93508563f8ca80fd7b9e7fe1f088
 DIST splash.xpm.gz 33856 BLAKE2B e8d0ee91a87ed45f47fa58b07a6476b19ddb3f98ffee41adce46fe9bc4926bbefcac5cd01efc41794049b1c905502b18e69b5f0546bcf3cea79bf351e1817574 SHA512 5ae1f786f7d46a95a7061068d5b2b3ad64607c7b190d6f28379508c5dce67e26308325bfd637542a84855dfcf1ea3d143947326fdb189a6a8972208d3ead23da
diff --git a/sys-boot/grub/grub-0.97-r18.ebuild b/sys-boot/grub/grub-0.97-r18.ebuild
new file mode 100644
index 000000000000..a45c190509a4
--- /dev/null
+++ b/sys-boot/grub/grub-0.97-r18.ebuild
@@ -0,0 +1,317 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# 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.
+
+# If you need to roll a new grub-static distfile, here is how.
+# - Robin H. Johnson <robbat2@gentoo.org> - 29 Nov 2010
+# FEATURES='-noauto -noinfo -nodoc -noman -splitdebug nostrip' \
+# USE='static -ncurses -netboot -custom-cflags' \
+# PORTAGE_COMPRESS=true GRUB_STATIC_PACKAGE_BUILDING=1 ebuild \
+# grub-${PVR}.ebuild clean package && \
+# qtbz2 -s -j ${PKGDIR}/${CAT}/${PF}.tbz2 && \
+# mv ${PF}.tar.bz2 ${DISTDIR}/grub-static-${PVR}.tar.bz2
+
+EAPI="6"
+
+inherit eutils mount-boot toolchain-funcs linux-info flag-o-matic autotools pax-utils multiprocessing
+
+PATCHVER="1.15" # Should match the revision ideally
+DESCRIPTION="GNU GRUB Legacy boot loader"
+HOMEPAGE="https://www.gnu.org/software/grub/"
+SRC_URI="mirror://gentoo/${P}.tar.gz
+	mirror://gnu-alpha/${PN}/${P}.tar.gz
+	mirror://gentoo/splash.xpm.gz
+	mirror://gentoo/${P}-patches-${PATCHVER}.tar.bz2
+	https://dev.gentoo.org/~whissi/dist/${PN}/${P}-patches-${PATCHVER}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~x86-fbsd"
+IUSE="custom-cflags ncurses netboot static"
+
+LIB_DEPEND="ncurses? ( >=sys-libs/ncurses-5.9-r3:0[static-libs(+),abi_x86_32(-)] )"
+RDEPEND="!static? ( ${LIB_DEPEND//[static-libs(+),/=[} )"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig
+	static? ( ${LIB_DEPEND} )"
+RDEPEND+=" !sys-boot/grub:2[-multislot]"
+
+pkg_setup() {
+	case $(tc-arch) in
+	amd64) CONFIG_CHECK='~IA32_EMULATION' check_extra_config ;;
+	esac
+}
+
+src_prepare() {
+	# 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=9 ;;
+		x86)   GRUB_MAX_KERNEL_SIZE=5 ;;
+		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
+
+	# gcc-6 and above doesnt have a '-nopie' option patched in, use upstream's -fno-pie
+	if [[ tc-is-gcc && $(gcc-major-version) -gt 5 ]]; then
+		sed -i 's/-nopie/-fno-pie/' \
+			"${WORKDIR}"/patch/860_all_grub-0.97-pie-r1.patch \
+			|| die
+	fi
+
+	EPATCH_SUFFIX="patch" epatch "${WORKDIR}"/patch
+	# bug 564890, 566638
+	epatch "${FILESDIR}"/grub-0.97-Add-esp-to-list-of-clobbered-registers.patch
+	epatch "${FILESDIR}"/grub-0.97-ncurses-pkgconfig.patch
+
+	eapply_user
+
+	rm -f "${S}"/aclocal.m4 # seems to keep bug 418287 away
+	eautoreconf
+}
+
+src_configure() {
+	filter-flags -fPIE #168834
+
+	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
+
+	tc-ld-disable-gold #439082 #466536 #526348
+
+	export grub_cv_prog_objcopy_absolute=yes #79734
+	use static && append-ldflags -static
+
+	if use amd64 && use static ; then
+		if [[ -n ${GRUB_STATIC_PACKAGE_BUILDING} ]] ; then
+			eerror "You have set GRUB_STATIC_PACKAGE_BUILDING. This"
+			eerror "is specifically intended for building the tarballs for the"
+			eerror "grub-static package via USE='static -ncurses'."
+			eerror "All bets are now off."
+		fi
+	fi
+
+	multijob_init
+
+	# build the net-bootable grub first, but only if "netboot" is set
+	if use netboot ; then
+		(
+		multijob_child_init
+		mkdir -p "${WORKDIR}"/netboot
+		pushd "${WORKDIR}"/netboot >/dev/null
+		ECONF_SOURCE=${S} \
+		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}
+		popd >/dev/null
+		) &
+		multijob_post_fork
+	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 \
+		$(use_with ncurses curses)
+
+	# sanity check due to common failure
+	use ncurses && ! grep -qs "HAVE_LIBCURSES.*1" config.h && die "USE=ncurses but curses not found"
+
+	multijob_finish
+}
+
+src_compile() {
+	use netboot && emake -C "${WORKDIR}"/netboot w89c840_o_CFLAGS="-O"
+	emake
+}
+
+src_test() {
+	# non-default block size also give false pass/fails.
+	unset BLOCK_SIZE
+	emake -j1 check
+}
+
+src_install() {
+	_stage2_file="${S}/stage2/stage2"
+	if [[ -f "${_stage2_file}" ]]; then
+		local _stage2_filesize=$(stat -c '%s' "${_stage2_file}" 2>/dev/null)
+		if [[ -z "${_stage2_filesize}" ]]; then
+			ewarn "Sanity check skipped -- 'stat' returned nothing"
+		elif [[ "${_stage2_filesize}" -gt 1000000 ]]; then
+			eerror "Sanity check failed: stage2 (${_stage2_file}) is more than 1MB large (${_stage2_filesize} bytes)!"
+			eerror "Please check your CFLAGS and/or file a bug report at https://bugs.gentoo.org."
+			die "stage2 sanity check failed"
+		else
+			einfo "stage2 sanity check passed"
+		fi
+	else
+		ewarn "Sanity check skipped -- no stage2 found"
+	fi
+
+	default
+	if use netboot ; then
+		exeinto /usr/lib/grub/${CHOST}
+		doexe "${WORKDIR}"/netboot/stage2/{nbgrub,pxegrub}
+		newexe "${WORKDIR}"/netboot/stage2/stage2 stage2.netboot
+	fi
+
+	pax-mark -m "${D}"/sbin/grub #330745
+
+	newdoc docs/menu.lst grub.conf.sample
+	dodoc "${FILESDIR}"/grub.conf.gentoo
+
+	[[ -n ${GRUB_STATIC_PACKAGE_BUILDING} ]] && \
+		mv "${D}"/usr/share/doc/{${PF},grub-static-${PF/grub-}}
+
+	insinto /usr/share/grub
+	doins "${DISTDIR}"/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
+	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 "*** IMPORTANT NOTE: menu.lst has been renamed to grub.conf"
+		echo
+	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 ${dir}/stage2 ]] ; then
+		mv "${dir}"/stage2{,.old}
+		ewarn "*** IMPORTANT NOTE: you must run grub and install"
+		ewarn "the new version's stage1 to your MBR.  Until you do,"
+		ewarn "stage1 and stage2 will still be the old version, but"
+		ewarn "later stages will be the new version, which could"
+		ewarn "cause problems such as an unbootable system."
+		ewarn
+		ewarn "This means you must use either grub-install or perform"
+		ewarn "root/setup manually."
+		ewarn
+		ewarn "For more help, see the wiki:"
+		ewarn "https://wiki.gentoo.org/wiki/GRUB"
+		echo
+	fi
+
+	einfo "Copying files from /lib/grub and /usr/share/grub to ${dir}"
+	for x in \
+		"${ROOT}"/lib*/grub/*/* \
+		"${ROOT}"/usr/share/grub/* ; do
+		[[ -f ${x} ]] && cp -p "${x}" "${dir}"/
+	done
+
+	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
+
+	# Per bug 218599, we support grub.conf.install for users that want to run a
+	# specific set of Grub setup commands rather than the default ones.
+	grub_config=${dir}/grub.conf.install
+	[[ -e ${grub_config} ]] || grub_config=${dir}/grub.conf
+	if [[ -e ${grub_config} ]] ; then
+		egrep \
+			-v '^[[:space:]]*(#|$|default|fallback|initrd|password|splashimage|timeout|title)' \
+			"${grub_config}" | \
+		/sbin/grub --batch \
+			--device-map="${dir}"/device.map \
+			> /dev/null
+	fi
+
+	# the grub default commands silently piss themselves if
+	# the default file does not exist ahead of time
+	if [[ ! -e ${dir}/default ]] ; then
+		grub-set-default --root-directory="${boot_dir}" default
+	fi
+	einfo "Grub has been installed to ${boot_dir} successfully."
+}
+
+pkg_postinst() {
+	mount-boot_mount_boot_partition
+
+	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 =${PF}"
+	elog "Alternately, you can export GRUB_ALT_INSTALLDIR=/path/to/use to tell"
+	elog "grub where to install in a non-interactive way."
+
+	# needs to be after we call setup_boot_dir
+	mount-boot_pkg_postinst
+}
+
+pkg_config() {
+	local dir
+	if [ ! -d "${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}"
+}