grub: add cros-workon based live ebuild, adjust use flags for testing

After this grub unit tests almost work, for 'pc' at least. The only one
in that set that doesn't work are some tests that rely on video
checksums to validate the output. Tests for other targets like 'efi-64'
are a whole new adventure to figure out.

sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/make.defaults

@@ -82,3 +82,6 @@ PORTAGE_WORKDIR_MODE="0755"
 # Enable our assorted Grub targets, don't whine about /boot
 GRUB_PLATFORMS="efi-64 pc xen"
 DONT_MOUNT_BOOT=1
+
+# Both x86_64 and i386 targets are required for grub testing
+QEMU_SOFTMMU_TARGETS="x86_64 i386"

sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use

@@ -54,3 +54,6 @@ sys-boot/grub -multislot -nls
 
 # disable "high performance ssh" patch
 net-misc/openssh -hpn
+
+# xz and lzo are required to run grub tests
+sys-fs/squashfs-tools lzo xz

sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/package.use

@@ -20,7 +20,6 @@ sys-apps/dbus		-X -systemd
 sys-apps/smartmontools	minimal
 sys-block/parted        device-mapper
 sys-fs/lvm2		-lvm1 -readline
-sys-fs/squashfs         lzo
 sys-libs/ncurses	minimal
 sys-libs/pam        -berkdb
 sys-libs/gdbm		berkdb

sdk_container/src/third_party/coreos-overlay/sys-boot/grub/grub-9999.ebuild

@@ -0,0 +1,304 @@
+# 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-9999-r1.ebuild,v 1.21 2014/10/19 01:51:58 floppym Exp $
+
+EAPI=5
+CROS_WORKON_PROJECT="coreos/grub"
+CROS_WORKON_REPO="git://github.com"
+AUTOTOOLS_AUTORECONF=1
+GRUB_AUTOGEN=1
+PYTHON_COMPAT=( python{2_6,2_7,3_2,3_3,3_4} )
+
+if [[ "${PV}" == 9999 ]]; then
+	KEYWORDS="~amd64 ~x86"
+else
+	CROS_WORKON_COMMIT="x"
+	KEYWORDS="amd64 x86"
+fi
+
+inherit cros-workon autotools-utils bash-completion-r1 eutils flag-o-matic mount-boot multibuild pax-utils python-any-r1 toolchain-funcs versionator
+
+DEJAVU=dejavu-sans-ttf-2.34
+UNIFONT=unifont-7.0.05
+SRC_URI+=" mirror://gnu/unifont/${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
+		sys-fs/squashfs-tools[lzo,xz]
+		grub_platforms_efi-64? ( app-emulation/qemu[qemu_softmmu_targets_x86_64] )
+		grub_platforms_pc? ( app-emulation/qemu[qemu_softmmu_targets_i386] )
+	)
+	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 [[ ${MERGE_TYPE} != binary ]]; then
+		# Bug 439082
+		if ! version_is_at_least 4.8 "$(gcc-version)" &&
+			$(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() {
+	cros-workon_src_unpack
+	default_src_unpack
+}
+
+src_prepare() {
+	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"
+
+	if version_is_at_least 4.8 "$(gcc-version)"; then
+		export TARGET_LDFLAGS+=" -fuse-ld=bfd"
+	fi
+
+	tc-export CC NM OBJCOPY STRIP
+	export TARGET_CC=${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
+}