# Mike Gilbert <floppym@gentoo.org> (23 Jun 2016)

# This flag only has meaning on amd64

sys-boot/grub:2 grub_platforms_xen-32

# Mike Gilbert <floppym@gentoo.org> (23 Jun 2016)

# This flag only has meaning on amd64

sys-boot/grub:2 grub_platforms_xen-32

xen-32 - Build 32-bit XEN (pvgrub2) platform support on amd64

# Copyright 1999-2016 Gentoo Foundation

# Distributed under the terms of the GNU General Public License v2

# $Id$

EAPI=6

if [[ ${PV} == 9999  ]]; then

	PYTHON_COMPAT=( python{2_7,3_3,3_4,3_5} )

	inherit python-any-r1

fi

inherit autotools bash-completion-r1 flag-o-matic 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"

		S=${WORKDIR}/${MY_P}

	else

		SRC_URI="mirror://gnu/${PN}/${P}.tar.xz

			mirror://gentoo/${P}.tar.xz

			https://dev.gentoo.org/~floppym/dist/${P}.tar.xz"

		S=${WORKDIR}/${P%_*}

	fi

	KEYWORDS="~amd64 ~x86"

else

	inherit git-r3

	EGIT_REPO_URI="git://git.sv.gnu.org/grub.git

		http://git.savannah.gnu.org/r/grub.git"

fi

PATCHES=(

	"${FILESDIR}"/gfxpayload.patch

	"${FILESDIR}"/grub-2.02_beta2-KERNEL_GLOBS.patch

	"${FILESDIR}"/2.02_beta3-10_linux-UUID.patch

	"${FILESDIR}"/2.02_beta3-sysmacros.patch

	"${FILESDIR}"/2.02_beta3-gcc6-ld-no-pie.patch

)

DEJAVU=dejavu-sans-ttf-2.35

UNIFONT=unifont-8.0.01

SRC_URI+=" fonts? ( mirror://gnu/unifont/${UNIFONT}/${UNIFONT}.pcf.gz )

	themes? ( mirror://sourceforge/dejavu/${DEJAVU}.zip )"

DESCRIPTION="GNU GRUB boot loader"

HOMEPAGE="https://www.gnu.org/software/grub/"

# Includes licenses for dejavu and unifont

LICENSE="GPL-3 fonts? ( GPL-2-with-font-exception ) themes? ( BitstreamVera )"

SLOT="2/${PVR}"

IUSE="debug device-mapper doc efiemu +fonts mount +multislot nls static sdl test +themes truetype libzfs"

GRUB_ALL_PLATFORMS=( coreboot efi-32 efi-64 emu ieee1275 loongson multiboot qemu qemu-mips pc uboot xen xen-32 )

IUSE+=" ${GRUB_ALL_PLATFORMS[@]/#/grub_platforms_}"

REQUIRED_USE="

	grub_platforms_coreboot? ( fonts )

	grub_platforms_qemu? ( fonts )

	grub_platforms_ieee1275? ( fonts )

	grub_platforms_loongson? ( fonts )

"

# 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-r5:0=

	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

	fonts? ( media-libs/freetype:2 )

	grub_platforms_xen? ( app-emulation/xen-tools:= )

	grub_platforms_xen-32? ( 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

	)

	themes? (

		app-arch/unzip

		media-libs/freetype:2

	)

"

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 )

"

DEPEND+=" !!=media-libs/freetype-2.5.4"

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

"

src_unpack() {

	if [[ ${PV} == 9999 ]]; then

		git-r3_src_unpack

	fi

	default

}

src_prepare() {

	default

	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

	autopoint() { :; }

	eautoreconf

}

grub_do() {

	multibuild_foreach_variant run_in_build_dir "$@"

}

grub_do_once() {

	multibuild_for_best_variant run_in_build_dir "$@"

}

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 ;;

		xen-32)

			platform=xen

			if [[ ${CHOST} == x86_64* ]]; then

				local CTARGET=i386

			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 device-mapper)

		$(use_enable mount grub-mount)

		$(use_enable nls)

		$(use_enable themes grub-themes)

		$(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

	# Set up font symlinks

	ln -s "${WORKDIR}/${UNIFONT}.pcf" unifont.pcf || die

	if use themes; then

		ln -s "${WORKDIR}/${DEJAVU}/ttf/DejaVuSans.ttf" DejaVuSans.ttf || die

	fi

	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"

}

grub_get_platforms() {

	MULTIBUILD_VARIANTS=()

	local platform

	for platform in "${GRUB_ALL_PLATFORMS[@]}"; do

		if use "grub_platforms_${platform}"; then

			MULTIBUILD_VARIANTS+=( "${platform}" )

		fi

	done

	if (( ${#MULTIBUILD_VARIANTS[@]} == 0 )); then

		MULTIBUILD_VARIANTS=( guessed )

	fi

}

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"

	tc-ld-disable-gold #439082 #466536 #526348

	export TARGET_LDFLAGS="${TARGET_LDFLAGS} ${LDFLAGS}"

	unset LDFLAGS

	tc-export CC NM OBJCOPY RANLIB STRIP

	tc-export BUILD_CC # Bug 485592

	# Portage will take care of cleaning up GRUB_PLATFORMS

	grub_get_platforms

	grub_do grub_configure

}

src_compile() {

	# Sandbox bug 404013.

	use libzfs && addpredict /etc/dfs:/dev/zfs

	grub_do emake

	use doc && grub_do_once emake -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.

	grub_do emake check

}

src_install() {

	grub_do emake install DESTDIR="${D}" bashcompletiondir="$(get_bashcompdir)"

	use doc && grub_do_once emake -C docs install-html DESTDIR="${D}"

	einstalldocs

	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() {

	elog "For information on how to configure GRUB2 please refer to the guide:"

	elog "    https://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 "    https://wiki.gentoo.org/wiki/GRUB2_Migration"

	fi

	if [[ -z ${REPLACING_VERSIONS} ]]; then

		elog

		elog "You may consider installing the following optional packages:"

		optfeature "Detect other operating systems (grub-mkconfig)" sys-boot/os-prober

		optfeature "Create rescue media (grub-mkrescue)" dev-libs/libisoburn

		optfeature "Enable RAID device detection" sys-fs/mdadm

	fi

}