app-emulation/xen-tools: add upstream patches

Signed-off-by: Tomáš Mózes <hydrapolic@gmail.com>
Signed-off-by: Florian Schmaus <flow@gentoo.org>

3 files changed, 1116 insertions, 0 deletions

diff --git a/app-emulation/xen-tools/Manifest b/app-emulation/xen-tools/Manifest
index 4ab68d105403..7cfaeea51f7e 100644
--- a/app-emulation/xen-tools/Manifest
+++ b/app-emulation/xen-tools/Manifest
@@ -9,7 +9,9 @@ DIST seabios-1.14.0.tar.gz 628985 BLAKE2B cc1126925dab1551a655680d20d06ebf28c12c
 DIST xen-4.15.1-upstream-patches-1.tar.xz 15476 BLAKE2B 9f0cf8f3dd993e32939ff1ee35244224bd3d16fbd345500ff01e51eb5828d3e44bddc539462c39d8c37b6497d4bf8887261a8df5d31b17b413b0c21f7faf3a84 SHA512 aac3f91c3c753aa8430abad055252cba5dbdfd9e548f219df1452388ef2f82b65c428755363aa0645824431e812f3b799af4f9468669e42a0f5b6b8874397c75
 DIST xen-4.15.1.tar.gz 40800852 BLAKE2B 39475ea33f029fb0e84b82b4a2b13fd613bab01e3ef6c241dfede3d190ee9be53c99b62121d37d83b1e078764b3e4d88d1dfb99be1b5623691e56519850c6798 SHA512 8d3cbdf708f46477e32ee7cbd16a490c82efa855cecd84ee712b8680df4d69c987ba9ab00ff3851f627b98a8ebbc5dab71f92f142ed958ee2bc538bc792cd4b9
 DIST xen-4.15.2-upstream-patches-0.tar.xz 33368 BLAKE2B f22c0e9ce6b859a2741f09c0c52479e8acb38440b631882850993fcfcdc445c28fbeac4353df6bac1b2be89e39a99bae1a920796d505f888e3701a98f17ed29d SHA512 10a996cd87404ff6536119deeedfe67143c02475c4ca2d7f741e087197aaffa10c5831aad1f9ee2f9070461dd8cdc7af4851fbafb634a2f65235603d6fb0848f
+DIST xen-4.15.2-upstream-patches-2.tar.xz 93208 BLAKE2B 5b01953ba93551830e533cf7e9e8675a44ed6c2ad3da152e0b5feeb3782b9bc3a1a0a7c0a84ac1de8ed7146fcf364db7604ea269ee243438df34c91b4b6acc5b SHA512 c2f585223d3d9e08d08b295c0f35e4856e4801d214cf0a1f925585c28a7a25cb3b82a5f5e7d41d35b2c746d5a307cd5b5a369d5342f35681e227d8ce91e741c2
 DIST xen-4.15.2.tar.gz 40773378 BLAKE2B 7c3e3bb066505f9838cd7c56d85debc64e5ed32cf4d4edf699ff843db49bee916e6eb46d07e5cd9021c2644bba0628a2aa567f60ace26c6d7ee5922643e04104 SHA512 1cbf988fa8ed38b7ad724978958092ca0e5506e38c709c7d1af196fb8cb8ec0197a79867782761ef230b268624b3d7a0d5d0cd186f37d25f495085c71bf70d54
+DIST xen-4.16.0-upstream-patches-2.tar.xz 111668 BLAKE2B e8bbedb7cc50f7a6cb1a3869f0165cce3d02c33f04b935384e770aa5206e6aa6cb51329c5d69375391a8781ba23f20c35e06406d5164720d253b405a77f5aee9 SHA512 6b6770117e81ae407e3ded0e366b14f3fa2411cc93a95187db27548c3dd17a1f85e60fc3971b008693297ad97aa0c5fa7b4d88e01d67a972f39e51bf0a2cf39d
 DIST xen-4.16.0.tar.gz 44982322 BLAKE2B 7e16a93b3f1131e2b10307fabc10641a9c5983173155b9a35eaf6ff317b6a747bccf6b8c87c06686830acc2c4bd3e19e5867eb443eabac9a1e4ee59124dfa87f SHA512 2869ed90d1779c9754d7f2397f5fc67a655304d9c32953ac20655ef96cb154521d8fce9f23915ac0c91f984dc54f72c67e5e619e2da318b5997748f44cf21b87
 DIST xen-gentoo-patches-23.tar.xz 20536 BLAKE2B 0064f79f8794a21ab13047a4ee296e37efa616e16ca6cd65b31fdafeb458fd9b80f0443758343c8328b1901d7169618346becfe75f16dcaeff08fc975f1d08d5 SHA512 09248e17ff7865feb2a505169d62ee5c8c60bd672fa8c4c7c4e3a2e4af58bfad0379d37b395bab3e3393af8d53d882f56749dfeb560edeea6b7ab56c902a3c49
 DIST xen-gentoo-patches-24.tar.xz 20952 BLAKE2B 292ea384f007a9615ca840068c45cd0e37a63a59e596c9c87a278a0136805327c85f5e5576eac751e40bda616559e413b396d313d43f2d36d904f09a41b0d302 SHA512 26b7344cea40ef44d1eaec330465071c96ee27a5b0ca91f787fc80c6801abed47cab9050a40ef80f20471a7cd9ee0dc7aaa46b16e5af7d0e50643ccc7d3a828b
diff --git a/app-emulation/xen-tools/xen-tools-4.15.2-r1.ebuild b/app-emulation/xen-tools/xen-tools-4.15.2-r1.ebuild
new file mode 100644
index 000000000000..802b8f8d55f5
--- /dev/null
+++ b/app-emulation/xen-tools/xen-tools-4.15.2-r1.ebuild
@@ -0,0 +1,556 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{8..10} )
+PYTHON_REQ_USE='ncurses,xml,threads(+)'
+
+inherit bash-completion-r1 flag-o-matic multilib python-single-r1 toolchain-funcs
+
+MY_PV=${PV/_/-}
+
+if [[ ${PV} == *9999 ]]; then
+	inherit git-r3
+	REPO="xen.git"
+	EGIT_REPO_URI="git://xenbits.xen.org/${REPO}"
+	S="${WORKDIR}/${REPO}"
+else
+	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+	UPSTREAM_VER=2
+	SECURITY_VER=
+	# xen-tools's gentoo patches tarball
+	GENTOO_VER=23
+	# xen-tools's gentoo patches version which apply to this specific ebuild
+	GENTOO_GPV=0
+	# xen-tools ovmf's patches
+	OVMF_VER=
+
+	SEABIOS_VER="1.14.0"
+	EDK2_COMMIT="a3741780fe3535e19e02efa869a7cac481891129"
+	EDK2_OPENSSL_VERSION="1_1_1j"
+	EDK2_SOFTFLOAT_COMMIT="b64af41c3276f97f0e181920400ee056b9c88037"
+	EDK2_BROTLI_COMMIT="666c3280cc11dc433c303d79a83d4ffbdd12cc8d"
+	IPXE_COMMIT="988d2c13cdf0f0b4140685af35ced70ac5b3283c"
+
+	[[ -n ${UPSTREAM_VER} ]] && \
+		UPSTREAM_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${P/-tools/}-upstream-patches-${UPSTREAM_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${P/-tools/}-upstream-patches-${UPSTREAM_VER}.tar.xz"
+	[[ -n ${SECURITY_VER} ]] && \
+		SECURITY_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN/-tools}-security-patches-${SECURITY_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${PN/-tools/}-security-patches-${SECURITY_VER}.tar.xz"
+	[[ -n ${GENTOO_VER} ]] && \
+		GENTOO_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN/-tools}-gentoo-patches-${GENTOO_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${PN/-tools/}-gentoo-patches-${GENTOO_VER}.tar.xz"
+	[[ -n ${OVMF_VER} ]] && \
+		OVMF_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN/-tools}-ovmf-patches-${OVMF_VER}.tar.xz"
+
+	SRC_URI="https://downloads.xenproject.org/release/xen/${MY_PV}/xen-${MY_PV}.tar.gz
+	https://www.seabios.org/downloads/seabios-${SEABIOS_VER}.tar.gz
+	ipxe? ( http://xenbits.xen.org/xen-extfiles/ipxe-git-${IPXE_COMMIT}.tar.gz )
+	ovmf? ( https://github.com/tianocore/edk2/archive/${EDK2_COMMIT}.tar.gz -> edk2-${EDK2_COMMIT}.tar.gz
+		https://github.com/openssl/openssl/archive/OpenSSL_${EDK2_OPENSSL_VERSION}.tar.gz
+		https://github.com/ucb-bar/berkeley-softfloat-3/archive/${EDK2_SOFTFLOAT_COMMIT}.tar.gz -> berkeley-softfloat-${EDK2_SOFTFLOAT_COMMIT}.tar.gz
+		https://github.com/google/brotli/archive/${EDK2_BROTLI_COMMIT}.tar.gz -> brotli-${EDK2_BROTLI_COMMIT}.tar.gz
+		${OVMF_PATCHSET_URI} )
+	${UPSTREAM_PATCHSET_URI}
+	${SECURITY_PATCHSET_URI}
+	${GENTOO_PATCHSET_URI}"
+
+	S="${WORKDIR}/xen-${MY_PV}"
+fi
+
+DESCRIPTION="Xen tools including QEMU and xl"
+HOMEPAGE="https://www.xenproject.org"
+DOCS=( README )
+
+LICENSE="GPL-2"
+SLOT="0/$(ver_cut 1-2)"
+# Inclusion of IUSE ocaml on stabalizing requires maintainer of ocaml to (get off his hands and) make
+# >=dev-lang/ocaml-4 stable
+# Masked in profiles/eapi-5-files instead
+IUSE="api debug doc +hvm +ipxe ocaml ovmf +pam pygrub python +qemu +qemu-traditional +rombios screen selinux sdl static-libs system-ipxe system-qemu system-seabios"
+
+REQUIRED_USE="
+	${PYTHON_REQUIRED_USE}
+	ipxe? ( rombios )
+	ovmf? ( hvm )
+	pygrub? ( python )
+	rombios? ( hvm )
+	system-ipxe? ( rombios )
+	?? ( ipxe system-ipxe )
+	?? ( qemu system-qemu )"
+
+COMMON_DEPEND="
+	sys-apps/pciutils
+	dev-libs/lzo:2
+	dev-libs/glib:2
+	dev-libs/yajl
+	dev-libs/libaio
+	dev-libs/libgcrypt:0
+	sys-libs/zlib
+	${PYTHON_DEPS}
+"
+
+RDEPEND="${COMMON_DEPEND}
+	sys-apps/iproute2[-minimal]
+	net-misc/bridge-utils
+	screen? (
+		app-misc/screen
+		app-admin/logrotate
+	)
+	selinux? ( sec-policy/selinux-xen )"
+
+DEPEND="${COMMON_DEPEND}
+	app-misc/pax-utils
+	>=sys-kernel/linux-headers-4.11
+	x11-libs/pixman
+	$(python_gen_cond_dep '
+		dev-python/lxml[${PYTHON_USEDEP}]
+		pam? ( dev-python/pypam[${PYTHON_USEDEP}] )
+	')
+	x86? ( sys-devel/dev86
+		system-ipxe? ( sys-firmware/ipxe[qemu] )
+		sys-power/iasl )
+	api? ( dev-libs/libxml2
+		net-misc/curl )
+
+	ovmf? (
+		!arm? ( !arm64? ( dev-lang/nasm ) )
+		$(python_gen_impl_dep sqlite)
+		)
+	!amd64? ( >=sys-apps/dtc-1.4.0 )
+	amd64? ( sys-power/iasl
+		system-seabios? ( sys-firmware/seabios )
+		system-ipxe? ( sys-firmware/ipxe[qemu] )
+		rombios? ( sys-devel/bin86 sys-devel/dev86 ) )
+	doc? (
+		app-text/ghostscript-gpl
+		app-text/pandoc
+		$(python_gen_cond_dep '
+			dev-python/markdown[${PYTHON_USEDEP}]
+		')
+		dev-texlive/texlive-latexextra
+		media-gfx/transfig
+	)
+	hvm? ( x11-base/xorg-proto )
+	qemu? (
+		app-arch/snappy:=
+		sdl? (
+			media-libs/libsdl[X]
+			media-libs/libsdl2[X]
+		)
+	)
+	system-qemu? ( app-emulation/qemu[xen] )
+	ocaml? ( dev-ml/findlib
+		dev-lang/ocaml[ocamlopt] )
+	python? ( >=dev-lang/swig-4.0.0 )"
+
+BDEPEND="dev-lang/perl
+	sys-devel/bison
+	sys-devel/gettext"
+
+# hvmloader is used to bootstrap a fully virtualized kernel
+# Approved by QA team in bug #144032
+QA_WX_LOAD="
+	usr/libexec/xen/boot/hvmloader
+	usr/libexec/xen/boot/xen-shim
+	usr/share/qemu-xen/qemu/hppa-firmware.img
+	usr/share/qemu-xen/qemu/s390-ccw.img
+	usr/share/qemu-xen/qemu/u-boot.e500
+"
+
+QA_PREBUILT="
+	usr/libexec/xen/bin/elf2dmp
+	usr/libexec/xen/bin/ivshmem-client
+	usr/libexec/xen/bin/ivshmem-server
+	usr/libexec/xen/bin/qemu-edid
+	usr/libexec/xen/bin/qemu-img
+	usr/libexec/xen/bin/qemu-io
+	usr/libexec/xen/bin/qemu-keymap
+	usr/libexec/xen/bin/qemu-nbd
+	usr/libexec/xen/bin/qemu-pr-helper
+	usr/libexec/xen/bin/qemu-storage-daemon
+	usr/libexec/xen/bin/qemu-system-i386
+	usr/libexec/xen/bin/virtfs-proxy-helper
+	usr/libexec/xen/boot/xen-shim
+	usr/libexec/xen/libexec/qemu-pr-helper
+	usr/libexec/xen/libexec/virtfs-proxy-helper
+	usr/libexec/xen/libexec/virtiofsd
+	usr/libexec/xen/libexec/xen-bridge-helper
+	usr/share/qemu-xen/qemu/s390-ccw.img
+	usr/share/qemu-xen/qemu/s390-netboot.img
+	usr/share/qemu-xen/qemu/u-boot.e500
+"
+
+RESTRICT="test"
+
+PATCHES=( "${FILESDIR}/${PN}-4.15.0-fix-xenstat-python-bindings.patch" )
+
+pkg_setup() {
+	python_setup
+	export "CONFIG_LOMOUNT=y"
+
+	#bug 522642, disable compile tools/tests
+	export "CONFIG_TESTS=n"
+
+	if [[ -z ${XEN_TARGET_ARCH} ]] ; then
+		if use x86 && use amd64; then
+			die "Confusion! Both x86 and amd64 are set in your use flags!"
+		elif use x86; then
+			export XEN_TARGET_ARCH="x86_32"
+		elif use amd64 ; then
+			export XEN_TARGET_ARCH="x86_64"
+		elif use arm; then
+			export XEN_TARGET_ARCH="arm32"
+		elif use arm64; then
+			export XEN_TARGET_ARCH="arm64"
+		else
+			die "Unsupported architecture!"
+		fi
+	fi
+}
+
+src_prepare() {
+	local i
+
+	# Upstream's patchset
+	if [[ -n ${UPSTREAM_VER} ]]; then
+		einfo "Try to apply Xen Upstream patch set"
+		eapply "${WORKDIR}"/patches-upstream
+	fi
+
+	# Security patchset
+	if [[ -n ${SECURITY_VER} ]]; then
+	einfo "Try to apply Xen Security patch set"
+		# apply main xen patches
+		# Two parallel systems, both work side by side
+		# Over time they may concdense into one. This will suffice for now
+		EPATCH_SUFFIX="patch"
+		EPATCH_FORCE="yes"
+
+		source "${WORKDIR}"/patches-security/${PV}.conf || die
+
+		for i in ${XEN_SECURITY_MAIN}; do
+			eapply "${WORKDIR}"/patches-security/xen/$i
+		done
+
+		# apply qemu-xen/upstream patches
+		pushd "${S}"/tools/qemu-xen/ > /dev/null
+		for i in ${XEN_SECURITY_QEMUU}; do
+			eapply "${WORKDIR}"/patches-security/qemuu/$i
+		done
+		popd > /dev/null
+
+		# apply qemu-traditional patches
+		pushd "${S}"/tools/qemu-xen-traditional/ > /dev/null
+		for i in ${XEN_SECURITY_QEMUT}; do
+			eapply "${WORKDIR}"/patches-security/qemut/$i
+		done
+		popd > /dev/null
+	fi
+
+	# move before Gentoo patch, one patch should apply to seabios, to fix gcc-4.5.x build err
+	mv ../seabios-${SEABIOS_VER} tools/firmware/seabios-dir-remote || die
+	pushd tools/firmware/ > /dev/null
+	ln -s seabios-dir-remote seabios-dir || die
+	popd > /dev/null
+
+	# Gentoo's patchset
+	if [[ -n ${GENTOO_VER} && -n ${GENTOO_GPV} ]]; then
+		einfo "Try to apply Gentoo specific patch set"
+		source "${FILESDIR}"/gentoo-patches.conf || die
+		_gpv=_gpv_${PN/-/_}_${PV//./}_${GENTOO_GPV}
+		for i in ${!_gpv}; do
+			eapply "${WORKDIR}"/patches-gentoo/$i
+		done
+	fi
+
+	# Ovmf's patchset
+	if use ovmf; then
+		if [[ -n ${OVMF_VER} ]];then
+			einfo "Try to apply Ovmf patch set"
+			pushd "${WORKDIR}"/edk2-*/ > /dev/null
+			eapply "${WORKDIR}"/patches-ovmf
+			popd > /dev/null
+		fi
+		mv ../edk2-${EDK2_COMMIT} tools/firmware/ovmf-dir-remote || die
+		rm -r tools/firmware/ovmf-dir-remote/CryptoPkg/Library/OpensslLib/openssl || die
+		rm -r tools/firmware/ovmf-dir-remote/ArmPkg/Library/ArmSoftFloatLib/berkeley-softfloat-3 || die
+		rm -r tools/firmware/ovmf-dir-remote/BaseTools/Source/C/BrotliCompress/brotli || die
+		rm -r tools/firmware/ovmf-dir-remote/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli || die
+		mv ../openssl-OpenSSL_${EDK2_OPENSSL_VERSION} tools/firmware/ovmf-dir-remote/CryptoPkg/Library/OpensslLib/openssl || die
+		mv ../berkeley-softfloat-3-${EDK2_SOFTFLOAT_COMMIT} tools/firmware/ovmf-dir-remote/ArmPkg/Library/ArmSoftFloatLib/berkeley-softfloat-3 || die
+		cp -r ../brotli-${EDK2_BROTLI_COMMIT} tools/firmware/ovmf-dir-remote/BaseTools/Source/C/BrotliCompress/brotli || die
+		cp -r ../brotli-${EDK2_BROTLI_COMMIT} tools/firmware/ovmf-dir-remote/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli || die
+		cp tools/firmware/ovmf-makefile tools/firmware/ovmf-dir-remote/Makefile || die
+
+		# Bug #816987
+		pushd tools/firmware/ovmf-dir-remote/BaseTools/Source/C/BrotliCompress/brotli > /dev/null
+			eapply "${FILESDIR}/${PN}-4.15.1-brotli-gcc11.patch"
+		popd > /dev/null
+
+		pushd tools/firmware/ovmf-dir-remote/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli > /dev/null
+			eapply "${FILESDIR}/${PN}-4.15.1-brotli-gcc11.patch"
+		popd > /dev/null
+
+		pushd tools/firmware/ovmf-dir-remote > /dev/null
+			eapply "${FILESDIR}/${PN}-4.15.1-edk2-python3.9.patch"
+		popd > /dev/null
+	fi
+
+	# Fix building with ocaml 4.12 #818100
+	eapply "${FILESDIR}/${PN}-4.15.1-ocaml-4.12.patch"
+
+	# ipxe
+	if use ipxe; then
+		cp "${DISTDIR}/ipxe-git-${IPXE_COMMIT}.tar.gz" tools/firmware/etherboot/_ipxe.tar.gz || die
+
+		# gcc 11
+		cp "${WORKDIR}/patches-gentoo/${PN}-4.15.0-ipxe-gcc11.patch" tools/firmware/etherboot/patches/ipxe-gcc11.patch || die
+		echo ipxe-gcc11.patch >> tools/firmware/etherboot/patches/series || die
+	fi
+
+	mv tools/qemu-xen/qemu-bridge-helper.c tools/qemu-xen/xen-bridge-helper.c || die
+
+	# Fix texi2html build error with new texi2html, qemu.doc.html
+	sed -i -e "/texi2html -monolithic/s/-number//" tools/qemu-xen-traditional/Makefile || die
+
+	use api || sed -e "/SUBDIRS-\$(LIBXENAPI_BINDINGS) += libxen/d" -i tools/Makefile || die
+	sed -e 's:$(MAKE) PYTHON=$(PYTHON) subdirs-$@:LC_ALL=C "$(MAKE)" PYTHON=$(PYTHON) subdirs-$@:' \
+		-i tools/firmware/Makefile || die
+
+	# Drop .config, fixes to gcc-4.6
+	sed -e '/-include $(XEN_ROOT)\/.config/d' -i Config.mk || die "Couldn't	drop"
+
+	# drop flags
+	unset CFLAGS
+	unset LDFLAGS
+	unset ASFLAGS
+	unset CPPFLAGS
+
+	if ! use pygrub; then
+		sed -e '/^SUBDIRS-y += pygrub/d' -i tools/Makefile || die
+	fi
+
+	if ! use python; then
+		sed -e '/^SUBDIRS-y += python$/d' -i tools/Makefile || die
+	fi
+
+	if ! use hvm; then
+		sed -e '/SUBDIRS-$(CONFIG_X86) += firmware/d' -i tools/Makefile || die
+	# Bug 351648
+	elif ! use x86 && ! has x86 $(get_all_abis); then
+		mkdir -p "${WORKDIR}"/extra-headers/gnu || die
+		touch "${WORKDIR}"/extra-headers/gnu/stubs-32.h || die
+		export CPATH="${WORKDIR}"/extra-headers
+	fi
+
+	if use qemu; then
+		if use sdl; then
+			sed -i -e "s:\$\$source/configure:\0 --enable-sdl:" \
+				tools/Makefile || die
+		else
+			sed -i -e "s:\${QEMU_ROOT\:\-\.}/configure:\0 --disable-sdl:" \
+				tools/qemu-xen-traditional/xen-setup || die
+			sed -i -e "s:\$\$source/configure:\0 --disable-sdl:" \
+				tools/Makefile || die
+		fi
+	else
+		# Don't bother with qemu, only needed for fully virtualised guests
+		sed -i '/SUBDIRS-$(CONFIG_QEMU_XEN)/s/^/#/g' tools/Makefile || die
+	fi
+
+	# Reset bash completion dir; Bug 472438
+	sed -e "s:^BASH_COMPLETION_DIR ?= \$(CONFIG_DIR)/bash_completion.d:BASH_COMPLETION_DIR ?= $(get_bashcompdir):" \
+		-i Config.mk || die
+
+	# xencommons, Bug #492332, sed lighter weight than patching
+	sed -e 's:\$QEMU_XEN -xen-domid:test -e "\$QEMU_XEN" \&\& &:' \
+		-i tools/hotplug/Linux/init.d/xencommons.in || die
+
+	# fix bashishm
+	sed -e '/Usage/s/\$//g' \
+		-i tools/hotplug/Linux/init.d/xendriverdomain.in || die
+
+	# respect multilib, usr/lib/libcacard.so.0.0.0
+	sed -e "/^libdir=/s/\/lib/\/$(get_libdir)/" \
+		-i tools/qemu-xen/configure || die
+
+	#bug 518136, don't build 32bit exactuable for nomultilib profile
+	if [[ "${ARCH}" == 'amd64' ]] && ! has_multilib_profile; then
+		sed -i -e "/x86_emulator/d" tools/tests/Makefile || die
+	fi
+
+	# uncomment lines in xl.conf
+	sed -e 's:^#autoballoon=:autoballoon=:' \
+		-e 's:^#lockfile=:lockfile=:' \
+		-e 's:^#vif.default.script=:vif.default.script=:' \
+		-i tools/examples/xl.conf  || die
+
+	# disable capstone (Bug #673474)
+	sed -e "s:\$\$source/configure:\0 --disable-capstone:" \
+		-i tools/Makefile || die
+
+	# disable glusterfs
+	sed -e "s:\$\$source/configure:\0 --disable-glusterfs:" \
+		-i tools/Makefile || die
+
+	# disable jpeg automagic
+	sed -e "s:\$\$source/configure:\0 --disable-vnc-jpeg:" \
+		-i tools/Makefile || die
+
+	# disable png automagic
+	sed -e "s:\$\$source/configure:\0 --disable-vnc-png:" \
+		-i tools/Makefile || die
+
+	# disable docker (Bug #732970)
+	sed -e "s:\$\$source/configure:\0 --disable-containers:" \
+		-i tools/Makefile || die
+
+	# disable abi-dumper (Bug #791172)
+	sed -e 's/$(ABI_DUMPER) /echo /g' \
+		-i tools/libs/libs.mk || die
+
+	default
+}
+
+src_configure() {
+	local myconf="--prefix=${PREFIX}/usr \
+		--libdir=${PREFIX}/usr/$(get_libdir) \
+		--libexecdir=${PREFIX}/usr/libexec \
+		--localstatedir=${EPREFIX}/var \
+		--disable-golang \
+		--disable-werror \
+		--disable-xen \
+		--enable-tools \
+		--enable-docs \
+		$(use_enable api xenapi) \
+		$(use_enable ipxe) \
+		$(usex system-ipxe '--with-system-ipxe=/usr/share/ipxe' '') \
+		$(use_enable ocaml ocamltools) \
+		$(use_enable ovmf) \
+		$(use_enable pam) \
+		$(use_enable rombios) \
+		--with-xenstored=$(usex ocaml 'oxenstored' 'xenstored') \
+		"
+
+	use system-seabios && myconf+=" --with-system-seabios=/usr/share/seabios/bios.bin"
+	use system-qemu && myconf+=" --with-system-qemu=/usr/bin/qemu-system-x86_64"
+	use amd64 && myconf+=" $(use_enable qemu-traditional)"
+	tc-ld-disable-gold # Bug 669570
+	econf ${myconf}
+}
+
+src_compile() {
+	local myopt
+	use debug && myopt="${myopt} debug=y"
+	use python && myopt="${myopt} XENSTAT_PYTHON_BINDINGS=y"
+
+	if test-flag-CC -fno-strict-overflow; then
+		append-flags -fno-strict-overflow
+	fi
+
+	emake CC="$(tc-getCC)" LD="$(tc-getLD)" AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" build-tools ${myopt}
+
+	if use doc; then
+		emake -C docs build
+	else
+		emake -C docs man-pages
+	fi
+}
+
+src_install() {
+	# Override auto-detection in the build system, bug #382573
+	export INITD_DIR=/tmp/init.d
+	export CONFIG_LEAF_DIR=../tmp/default
+
+	# Let the build system compile installed Python modules.
+	local PYTHONDONTWRITEBYTECODE
+	export PYTHONDONTWRITEBYTECODE
+
+	emake DESTDIR="${ED}" DOCDIR="/usr/share/doc/${PF}" \
+		XEN_PYTHON_NATIVE_INSTALL=y install-tools
+
+	# Created at runtime
+	rm -rv "${ED}/var/run" || die
+
+	# Fix the remaining Python shebangs.
+	python_fix_shebang "${D}"
+
+	# Remove RedHat-specific stuff
+	rm -rf "${D}"/tmp || die
+
+	if use doc; then
+		emake DESTDIR="${D}" DOCDIR="/usr/share/doc/${PF}" install-docs
+		dodoc -r docs/{pdf,txt}
+	else
+		emake -C docs DESTDIR="${D}" DOCDIR="/usr/share/doc/${PF}" install-man-pages # Bug 668032
+	fi
+	dodoc ${DOCS[@]}
+
+	newconfd "${FILESDIR}"/xendomains.confd xendomains
+	newconfd "${FILESDIR}"/xenstored.confd xenstored
+	newconfd "${FILESDIR}"/xenconsoled.confd xenconsoled
+	newinitd "${FILESDIR}"/xendomains.initd-r2 xendomains
+	newinitd "${FILESDIR}"/xenstored.initd-r1 xenstored
+	newinitd "${FILESDIR}"/xenconsoled.initd xenconsoled
+	newinitd "${FILESDIR}"/xencommons.initd xencommons
+	newconfd "${FILESDIR}"/xencommons.confd xencommons
+	newinitd "${FILESDIR}"/xenqemudev.initd xenqemudev
+	newconfd "${FILESDIR}"/xenqemudev.confd xenqemudev
+	newinitd "${FILESDIR}"/xen-watchdog.initd xen-watchdog
+
+	if use screen; then
+		cat "${FILESDIR}"/xendomains-screen.confd >> "${D}"/etc/conf.d/xendomains || die
+		cp "${FILESDIR}"/xen-consoles.logrotate "${D}"/etc/xen/ || die
+		keepdir /var/log/xen-consoles
+	fi
+
+	# For -static-libs wrt Bug 384355
+	if ! use static-libs; then
+		rm -f "${D}"/usr/$(get_libdir)/*.a "${D}"/usr/$(get_libdir)/ocaml/*/*.a
+	fi
+
+	# for xendomains
+	keepdir /etc/xen/auto
+
+	# Remove files failing QA AFTER emake installs them, avoiding seeking absent files
+	find "${D}" \( -name openbios-sparc32 -o -name openbios-sparc64 \
+		-o -name openbios-ppc -o -name palcode-clipper \) -delete || die
+
+	keepdir /var/lib/xen/dump
+	keepdir /var/lib/xen/xenpaging
+	keepdir /var/lib/xenstored
+	keepdir /var/log/xen
+
+	if use python; then
+		python_domodule "${S}/tools/libs/stat/bindings/swig/python/xenstat.py"
+		python_domodule "${S}/tools/libs/stat/bindings/swig/python/_xenstat.so"
+	fi
+
+	python_optimize
+}
+
+pkg_postinst() {
+	elog "Official Xen Guide and the offical wiki page:"
+	elog "https://wiki.gentoo.org/wiki/Xen"
+	elog "https://wiki.xen.org/wiki/Main_Page"
+	elog ""
+	elog "Recommended to utilise the xencommons script to config system at boot"
+	elog "Add by use of rc-update on completion of the install"
+
+	if ! use hvm; then
+		echo
+		elog "HVM (VT-x and AMD-V) support has been disabled. If you need hvm"
+		elog "support enable the hvm use flag."
+		elog "An x86 or amd64 system is required to build HVM support."
+	fi
+
+	if use qemu; then
+		elog "The qemu-bridge-helper is renamed to the xen-bridge-helper in the in source"
+		elog "build of qemu.  This allows for app-emulation/qemu to be emerged concurrently"
+		elog "with the qemu capable xen.  It is up to the user to distinguish between and utilise"
+		elog "the qemu-bridge-helper and the xen-bridge-helper. File bugs of any issues that arise"
+	fi
+}
diff --git a/app-emulation/xen-tools/xen-tools-4.16.0-r1.ebuild b/app-emulation/xen-tools/xen-tools-4.16.0-r1.ebuild
new file mode 100644
index 000000000000..72e135b35878
--- /dev/null
+++ b/app-emulation/xen-tools/xen-tools-4.16.0-r1.ebuild
@@ -0,0 +1,558 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{8..10} )
+PYTHON_REQ_USE='ncurses,xml,threads(+)'
+
+inherit bash-completion-r1 flag-o-matic multilib python-single-r1 toolchain-funcs
+
+MY_PV=${PV/_/-}
+
+if [[ ${PV} == *9999 ]]; then
+	inherit git-r3
+	REPO="xen.git"
+	EGIT_REPO_URI="git://xenbits.xen.org/${REPO}"
+	S="${WORKDIR}/${REPO}"
+else
+	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+	UPSTREAM_VER=2
+	SECURITY_VER=
+	# xen-tools's gentoo patches tarball
+	GENTOO_VER=24
+	# xen-tools's gentoo patches version which apply to this specific ebuild
+	GENTOO_GPV=0
+	# xen-tools ovmf's patches
+	OVMF_VER=
+
+	SEABIOS_VER="1.14.0"
+	EDK2_COMMIT="7b4a99be8a39c12d3a7fc4b8db9f0eab4ac688d5"
+	EDK2_OPENSSL_VERSION="1_1_1j"
+	EDK2_SOFTFLOAT_COMMIT="b64af41c3276f97f0e181920400ee056b9c88037"
+	EDK2_BROTLI_COMMIT="666c3280cc11dc433c303d79a83d4ffbdd12cc8d"
+	IPXE_COMMIT="3c040ad387099483102708bb1839110bc788cefb"
+
+	[[ -n ${UPSTREAM_VER} ]] && \
+		UPSTREAM_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${P/-tools/}-upstream-patches-${UPSTREAM_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${P/-tools/}-upstream-patches-${UPSTREAM_VER}.tar.xz"
+	[[ -n ${SECURITY_VER} ]] && \
+		SECURITY_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN/-tools}-security-patches-${SECURITY_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${PN/-tools/}-security-patches-${SECURITY_VER}.tar.xz"
+	[[ -n ${GENTOO_VER} ]] && \
+		GENTOO_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN/-tools}-gentoo-patches-${GENTOO_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${PN/-tools/}-gentoo-patches-${GENTOO_VER}.tar.xz"
+	[[ -n ${OVMF_VER} ]] && \
+		OVMF_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN/-tools}-ovmf-patches-${OVMF_VER}.tar.xz"
+
+	SRC_URI="https://downloads.xenproject.org/release/xen/${MY_PV}/xen-${MY_PV}.tar.gz
+	https://www.seabios.org/downloads/seabios-${SEABIOS_VER}.tar.gz
+	ipxe? ( http://xenbits.xen.org/xen-extfiles/ipxe-git-${IPXE_COMMIT}.tar.gz )
+	ovmf? ( https://github.com/tianocore/edk2/archive/${EDK2_COMMIT}.tar.gz -> edk2-${EDK2_COMMIT}.tar.gz
+		https://github.com/openssl/openssl/archive/OpenSSL_${EDK2_OPENSSL_VERSION}.tar.gz
+		https://github.com/ucb-bar/berkeley-softfloat-3/archive/${EDK2_SOFTFLOAT_COMMIT}.tar.gz -> berkeley-softfloat-${EDK2_SOFTFLOAT_COMMIT}.tar.gz
+		https://github.com/google/brotli/archive/${EDK2_BROTLI_COMMIT}.tar.gz -> brotli-${EDK2_BROTLI_COMMIT}.tar.gz
+		${OVMF_PATCHSET_URI} )
+	${UPSTREAM_PATCHSET_URI}
+	${SECURITY_PATCHSET_URI}
+	${GENTOO_PATCHSET_URI}"
+
+	S="${WORKDIR}/xen-${MY_PV}"
+fi
+
+DESCRIPTION="Xen tools including QEMU and xl"
+HOMEPAGE="https://www.xenproject.org"
+DOCS=( README )
+
+LICENSE="GPL-2"
+SLOT="0/$(ver_cut 1-2)"
+# Inclusion of IUSE ocaml on stabalizing requires maintainer of ocaml to (get off his hands and) make
+# >=dev-lang/ocaml-4 stable
+# Masked in profiles/eapi-5-files instead
+IUSE="api debug doc +hvm +ipxe ocaml ovmf +pam pygrub python +qemu +qemu-traditional +rombios screen selinux sdl static-libs system-ipxe system-qemu system-seabios"
+
+REQUIRED_USE="
+	${PYTHON_REQUIRED_USE}
+	ipxe? ( rombios )
+	ovmf? ( hvm )
+	pygrub? ( python )
+	rombios? ( hvm )
+	system-ipxe? ( rombios )
+	?? ( ipxe system-ipxe )
+	?? ( qemu system-qemu )"
+
+COMMON_DEPEND="
+	sys-apps/pciutils
+	dev-libs/lzo:2
+	dev-libs/glib:2
+	dev-libs/yajl
+	dev-libs/libaio
+	dev-libs/libgcrypt:0
+	sys-libs/zlib
+	${PYTHON_DEPS}
+"
+
+RDEPEND="${COMMON_DEPEND}
+	sys-apps/iproute2[-minimal]
+	net-misc/bridge-utils
+	screen? (
+		app-misc/screen
+		app-admin/logrotate
+	)
+	selinux? ( sec-policy/selinux-xen )"
+
+DEPEND="${COMMON_DEPEND}
+	app-misc/pax-utils
+	>=sys-kernel/linux-headers-4.11
+	x11-libs/pixman
+	$(python_gen_cond_dep '
+		dev-python/lxml[${PYTHON_USEDEP}]
+		pam? ( dev-python/pypam[${PYTHON_USEDEP}] )
+	')
+	x86? ( sys-devel/dev86
+		system-ipxe? ( sys-firmware/ipxe[qemu] )
+		sys-power/iasl )
+	api? ( dev-libs/libxml2
+		net-misc/curl )
+
+	ovmf? (
+		!arm? ( !arm64? ( dev-lang/nasm ) )
+		$(python_gen_impl_dep sqlite)
+		)
+	!amd64? ( >=sys-apps/dtc-1.4.0 )
+	amd64? ( sys-power/iasl
+		system-seabios? ( sys-firmware/seabios )
+		system-ipxe? ( sys-firmware/ipxe[qemu] )
+		rombios? ( sys-devel/bin86 sys-devel/dev86 ) )
+	arm64? ( sys-power/iasl
+		rombios? ( sys-devel/bin86 sys-devel/dev86 ) )
+	doc? (
+		app-text/ghostscript-gpl
+		app-text/pandoc
+		$(python_gen_cond_dep '
+			dev-python/markdown[${PYTHON_USEDEP}]
+		')
+		dev-texlive/texlive-latexextra
+		media-gfx/transfig
+	)
+	hvm? ( x11-base/xorg-proto )
+	qemu? (
+		app-arch/snappy:=
+		dev-util/meson
+		sdl? (
+			media-libs/libsdl[X]
+			media-libs/libsdl2[X]
+		)
+	)
+	system-qemu? ( app-emulation/qemu[xen] )
+	ocaml? ( dev-ml/findlib
+		dev-lang/ocaml[ocamlopt] )
+	python? ( >=dev-lang/swig-4.0.0 )"
+
+BDEPEND="dev-lang/perl
+	sys-devel/bison
+	sys-devel/gettext"
+
+# hvmloader is used to bootstrap a fully virtualized kernel
+# Approved by QA team in bug #144032
+QA_WX_LOAD="
+	usr/libexec/xen/boot/hvmloader
+	usr/libexec/xen/boot/ovmf.bin
+	usr/libexec/xen/boot/xen-shim
+	usr/share/qemu-xen/qemu/hppa-firmware.img
+	usr/share/qemu-xen/qemu/opensbi-riscv32-generic-fw_dynamic.elf
+	usr/share/qemu-xen/qemu/opensbi-riscv64-generic-fw_dynamic.elf
+	usr/share/qemu-xen/qemu/s390-ccw.img
+	usr/share/qemu-xen/qemu/u-boot.e500
+"
+
+QA_EXECSTACK="
+	usr/share/qemu-xen/qemu/hppa-firmware.img
+"
+
+QA_PREBUILT="
+	usr/libexec/xen/bin/elf2dmp
+	usr/libexec/xen/bin/ivshmem-client
+	usr/libexec/xen/bin/ivshmem-server
+	usr/libexec/xen/bin/qemu-edid
+	usr/libexec/xen/bin/qemu-img
+	usr/libexec/xen/bin/qemu-io
+	usr/libexec/xen/bin/qemu-keymap
+	usr/libexec/xen/bin/qemu-nbd
+	usr/libexec/xen/bin/qemu-pr-helper
+	usr/libexec/xen/bin/qemu-storage-daemon
+	usr/libexec/xen/bin/qemu-system-i386
+	usr/libexec/xen/bin/virtfs-proxy-helper
+	usr/libexec/xen/boot/ovmf.bin
+	usr/libexec/xen/boot/xen-shim
+	usr/libexec/xen/libexec/qemu-pr-helper
+	usr/libexec/xen/libexec/virtfs-proxy-helper
+	usr/libexec/xen/libexec/virtiofsd
+	usr/libexec/xen/libexec/xen-bridge-helper
+	usr/share/qemu-xen/qemu/s390-ccw.img
+	usr/share/qemu-xen/qemu/s390-netboot.img
+	usr/share/qemu-xen/qemu/u-boot.e500
+"
+
+RESTRICT="test"
+
+pkg_setup() {
+	python_setup
+	export "CONFIG_LOMOUNT=y"
+
+	#bug 522642, disable compile tools/tests
+	export "CONFIG_TESTS=n"
+
+	if [[ -z ${XEN_TARGET_ARCH} ]] ; then
+		if use x86 && use amd64; then
+			die "Confusion! Both x86 and amd64 are set in your use flags!"
+		elif use x86; then
+			export XEN_TARGET_ARCH="x86_32"
+		elif use amd64 ; then
+			export XEN_TARGET_ARCH="x86_64"
+		elif use arm; then
+			export XEN_TARGET_ARCH="arm32"
+		elif use arm64; then
+			export XEN_TARGET_ARCH="arm64"
+		else
+			die "Unsupported architecture!"
+		fi
+	fi
+}
+
+src_prepare() {
+	local i
+
+	# Upstream's patchset
+	if [[ -n ${UPSTREAM_VER} ]]; then
+		einfo "Try to apply Xen Upstream patch set"
+		eapply "${WORKDIR}"/patches-upstream
+	fi
+
+	# Security patchset
+	if [[ -n ${SECURITY_VER} ]]; then
+	einfo "Try to apply Xen Security patch set"
+		# apply main xen patches
+		# Two parallel systems, both work side by side
+		# Over time they may concdense into one. This will suffice for now
+		EPATCH_SUFFIX="patch"
+		EPATCH_FORCE="yes"
+
+		source "${WORKDIR}"/patches-security/${PV}.conf || die
+
+		for i in ${XEN_SECURITY_MAIN}; do
+			eapply "${WORKDIR}"/patches-security/xen/$i
+		done
+
+		# apply qemu-xen/upstream patches
+		pushd "${S}"/tools/qemu-xen/ > /dev/null
+		for i in ${XEN_SECURITY_QEMUU}; do
+			eapply "${WORKDIR}"/patches-security/qemuu/$i
+		done
+		popd > /dev/null
+
+		# apply qemu-traditional patches
+		pushd "${S}"/tools/qemu-xen-traditional/ > /dev/null
+		for i in ${XEN_SECURITY_QEMUT}; do
+			eapply "${WORKDIR}"/patches-security/qemut/$i
+		done
+		popd > /dev/null
+	fi
+
+	# move before Gentoo patch, one patch should apply to seabios, to fix gcc-4.5.x build err
+	mv ../seabios-${SEABIOS_VER} tools/firmware/seabios-dir-remote || die
+	pushd tools/firmware/ > /dev/null
+	ln -s seabios-dir-remote seabios-dir || die
+	popd > /dev/null
+
+	# Gentoo's patchset
+	if [[ -n ${GENTOO_VER} && -n ${GENTOO_GPV} ]]; then
+		einfo "Try to apply Gentoo specific patch set"
+		source "${FILESDIR}"/gentoo-patches.conf || die
+		_gpv=_gpv_${PN/-/_}_${PV//./}_${GENTOO_GPV}
+		for i in ${!_gpv}; do
+			eapply "${WORKDIR}"/patches-gentoo/$i
+		done
+	fi
+
+	# Ovmf's patchset
+	if use ovmf; then
+		if [[ -n ${OVMF_VER} ]];then
+			einfo "Try to apply Ovmf patch set"
+			pushd "${WORKDIR}"/edk2-*/ > /dev/null
+			eapply "${WORKDIR}"/patches-ovmf
+			popd > /dev/null
+		fi
+		mv ../edk2-${EDK2_COMMIT} tools/firmware/ovmf-dir-remote || die
+		rm -r tools/firmware/ovmf-dir-remote/CryptoPkg/Library/OpensslLib/openssl || die
+		rm -r tools/firmware/ovmf-dir-remote/ArmPkg/Library/ArmSoftFloatLib/berkeley-softfloat-3 || die
+		rm -r tools/firmware/ovmf-dir-remote/BaseTools/Source/C/BrotliCompress/brotli || die
+		rm -r tools/firmware/ovmf-dir-remote/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli || die
+		mv ../openssl-OpenSSL_${EDK2_OPENSSL_VERSION} tools/firmware/ovmf-dir-remote/CryptoPkg/Library/OpensslLib/openssl || die
+		mv ../berkeley-softfloat-3-${EDK2_SOFTFLOAT_COMMIT} tools/firmware/ovmf-dir-remote/ArmPkg/Library/ArmSoftFloatLib/berkeley-softfloat-3 || die
+		cp -r ../brotli-${EDK2_BROTLI_COMMIT} tools/firmware/ovmf-dir-remote/BaseTools/Source/C/BrotliCompress/brotli || die
+		cp -r ../brotli-${EDK2_BROTLI_COMMIT} tools/firmware/ovmf-dir-remote/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli || die
+		cp tools/firmware/ovmf-makefile tools/firmware/ovmf-dir-remote/Makefile || die
+
+		# Bug #816987
+		pushd tools/firmware/ovmf-dir-remote/BaseTools/Source/C/BrotliCompress/brotli > /dev/null
+			eapply "${FILESDIR}/${PN}-4.15.1-brotli-gcc11.patch"
+		popd > /dev/null
+
+		pushd tools/firmware/ovmf-dir-remote/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli > /dev/null
+			eapply "${FILESDIR}/${PN}-4.15.1-brotli-gcc11.patch"
+		popd > /dev/null
+	fi
+
+	# ipxe
+	if use ipxe; then
+		cp "${DISTDIR}/ipxe-git-${IPXE_COMMIT}.tar.gz" tools/firmware/etherboot/ipxe.tar.gz || die
+
+		# gcc 11
+		cp "${WORKDIR}/patches-gentoo/${PN}-4.15.0-ipxe-gcc11.patch" tools/firmware/etherboot/patches/ipxe-gcc11.patch || die
+		echo ipxe-gcc11.patch >> tools/firmware/etherboot/patches/series || die
+	fi
+
+	mv tools/qemu-xen/qemu-bridge-helper.c tools/qemu-xen/xen-bridge-helper.c || die
+
+	# Fix texi2html build error with new texi2html, qemu.doc.html
+	sed -i -e "/texi2html -monolithic/s/-number//" tools/qemu-xen-traditional/Makefile || die
+
+	use api || sed -e "/SUBDIRS-\$(LIBXENAPI_BINDINGS) += libxen/d" -i tools/Makefile || die
+	sed -e 's:$(MAKE) PYTHON=$(PYTHON) subdirs-$@:LC_ALL=C "$(MAKE)" PYTHON=$(PYTHON) subdirs-$@:' \
+		-i tools/firmware/Makefile || die
+
+	# Drop .config, fixes to gcc-4.6
+	sed -e '/-include $(XEN_ROOT)\/.config/d' -i Config.mk || die "Couldn't	drop"
+
+	# drop flags
+	unset CFLAGS
+	unset LDFLAGS
+	unset ASFLAGS
+	unset CPPFLAGS
+
+	if ! use pygrub; then
+		sed -e '/^SUBDIRS-y += pygrub/d' -i tools/Makefile || die
+	fi
+
+	if ! use python; then
+		sed -e '/^SUBDIRS-y += python$/d' -i tools/Makefile || die
+	fi
+
+	if ! use hvm; then
+		sed -e '/SUBDIRS-$(CONFIG_X86) += firmware/d' -i tools/Makefile || die
+	# Bug 351648
+	elif ! use x86 && ! has x86 $(get_all_abis); then
+		mkdir -p "${WORKDIR}"/extra-headers/gnu || die
+		touch "${WORKDIR}"/extra-headers/gnu/stubs-32.h || die
+		export CPATH="${WORKDIR}"/extra-headers
+	fi
+
+	if use qemu; then
+		if use sdl; then
+			sed -i -e "s:\$\$source/configure:\0 --enable-sdl:" \
+				tools/Makefile || die
+		else
+			sed -i -e "s:\${QEMU_ROOT\:\-\.}/configure:\0 --disable-sdl:" \
+				tools/qemu-xen-traditional/xen-setup || die
+			sed -i -e "s:\$\$source/configure:\0 --disable-sdl:" \
+				tools/Makefile || die
+		fi
+	else
+		# Don't bother with qemu, only needed for fully virtualised guests
+		sed -i '/SUBDIRS-$(CONFIG_QEMU_XEN)/s/^/#/g' tools/Makefile || die
+	fi
+
+	# Reset bash completion dir; Bug 472438
+	sed -e "s:^BASH_COMPLETION_DIR ?= \$(CONFIG_DIR)/bash_completion.d:BASH_COMPLETION_DIR ?= $(get_bashcompdir):" \
+		-i Config.mk || die
+
+	# xencommons, Bug #492332, sed lighter weight than patching
+	sed -e 's:\$QEMU_XEN -xen-domid:test -e "\$QEMU_XEN" \&\& &:' \
+		-i tools/hotplug/Linux/init.d/xencommons.in || die
+
+	# fix bashishm
+	sed -e '/Usage/s/\$//g' \
+		-i tools/hotplug/Linux/init.d/xendriverdomain.in || die
+
+	# respect multilib, usr/lib/libcacard.so.0.0.0
+	sed -e "/^libdir=/s/\/lib/\/$(get_libdir)/" \
+		-i tools/qemu-xen/configure || die
+
+	#bug 518136, don't build 32bit exactuable for nomultilib profile
+	if [[ "${ARCH}" == 'amd64' ]] && ! has_multilib_profile; then
+		sed -i -e "/x86_emulator/d" tools/tests/Makefile || die
+	fi
+
+	# uncomment lines in xl.conf
+	sed -e 's:^#autoballoon=:autoballoon=:' \
+		-e 's:^#lockfile=:lockfile=:' \
+		-e 's:^#vif.default.script=:vif.default.script=:' \
+		-i tools/examples/xl.conf  || die
+
+	# disable capstone (Bug #673474)
+	sed -e "s:\$\$source/configure:\0 --disable-capstone:" \
+		-i tools/Makefile || die
+
+	# disable glusterfs
+	sed -e "s:\$\$source/configure:\0 --disable-glusterfs:" \
+		-i tools/Makefile || die
+
+	# disable jpeg automagic
+	sed -e "s:\$\$source/configure:\0 --disable-vnc-jpeg:" \
+		-i tools/Makefile || die
+
+	# disable png automagic
+	sed -e "s:\$\$source/configure:\0 --disable-vnc-png:" \
+		-i tools/Makefile || die
+
+	# disable docker (Bug #732970)
+	sed -e "s:\$\$source/configure:\0 --disable-containers:" \
+		-i tools/Makefile || die
+
+	# disable abi-dumper (Bug #791172)
+	sed -e 's/$(ABI_DUMPER) /echo /g' \
+		-i tools/libs/libs.mk || die
+
+	default
+}
+
+src_configure() {
+	local myconf="--prefix=${PREFIX}/usr \
+		--libdir=${PREFIX}/usr/$(get_libdir) \
+		--libexecdir=${PREFIX}/usr/libexec \
+		--localstatedir=${EPREFIX}/var \
+		--disable-golang \
+		--disable-werror \
+		--disable-xen \
+		--enable-tools \
+		--enable-docs \
+		$(use_enable api xenapi) \
+		$(use_enable ipxe) \
+		$(usex system-ipxe '--with-system-ipxe=/usr/share/ipxe' '') \
+		$(use_enable ocaml ocamltools) \
+		$(use_enable ovmf) \
+		$(use_enable pam) \
+		$(use_enable rombios) \
+		--with-xenstored=$(usex ocaml 'oxenstored' 'xenstored') \
+		"
+
+	use system-seabios && myconf+=" --with-system-seabios=/usr/share/seabios/bios.bin"
+	use system-qemu && myconf+=" --with-system-qemu=/usr/bin/qemu-system-x86_64"
+	use amd64 && myconf+=" $(use_enable qemu-traditional)"
+	tc-ld-disable-gold # Bug 669570
+	econf ${myconf}
+}
+
+src_compile() {
+	local myopt
+	use debug && myopt="${myopt} debug=y"
+	use python && myopt="${myopt} XENSTAT_PYTHON_BINDINGS=y"
+
+	if test-flag-CC -fno-strict-overflow; then
+		append-flags -fno-strict-overflow
+	fi
+
+	emake CC="$(tc-getCC)" LD="$(tc-getLD)" AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" build-tools ${myopt}
+
+	if use doc; then
+		emake -C docs build
+	else
+		emake -C docs man-pages
+	fi
+}
+
+src_install() {
+	# Override auto-detection in the build system, bug #382573
+	export INITD_DIR=/tmp/init.d
+	export CONFIG_LEAF_DIR=../tmp/default
+
+	# Let the build system compile installed Python modules.
+	local PYTHONDONTWRITEBYTECODE
+	export PYTHONDONTWRITEBYTECODE
+
+	emake DESTDIR="${ED}" DOCDIR="/usr/share/doc/${PF}" \
+		XEN_PYTHON_NATIVE_INSTALL=y install-tools
+
+	# Created at runtime
+	rm -rv "${ED}/var/run" || die
+
+	# Fix the remaining Python shebangs.
+	python_fix_shebang "${D}"
+
+	# Remove RedHat-specific stuff
+	rm -rf "${D}"/tmp || die
+
+	if use doc; then
+		emake DESTDIR="${D}" DOCDIR="/usr/share/doc/${PF}" install-docs
+		dodoc -r docs/{pdf,txt}
+	else
+		emake -C docs DESTDIR="${D}" DOCDIR="/usr/share/doc/${PF}" install-man-pages # Bug 668032
+	fi
+	dodoc ${DOCS[@]}
+
+	newconfd "${FILESDIR}"/xendomains.confd xendomains
+	newconfd "${FILESDIR}"/xenstored.confd xenstored
+	newconfd "${FILESDIR}"/xenconsoled.confd xenconsoled
+	newinitd "${FILESDIR}"/xendomains.initd-r2 xendomains
+	newinitd "${FILESDIR}"/xenstored.initd-r1 xenstored
+	newinitd "${FILESDIR}"/xenconsoled.initd xenconsoled
+	newinitd "${FILESDIR}"/xencommons.initd xencommons
+	newconfd "${FILESDIR}"/xencommons.confd xencommons
+	newinitd "${FILESDIR}"/xenqemudev.initd xenqemudev
+	newconfd "${FILESDIR}"/xenqemudev.confd xenqemudev
+	newinitd "${FILESDIR}"/xen-watchdog.initd xen-watchdog
+
+	if use screen; then
+		cat "${FILESDIR}"/xendomains-screen.confd >> "${D}"/etc/conf.d/xendomains || die
+		cp "${FILESDIR}"/xen-consoles.logrotate "${D}"/etc/xen/ || die
+		keepdir /var/log/xen-consoles
+	fi
+
+	# For -static-libs wrt Bug 384355
+	if ! use static-libs; then
+		rm -f "${D}"/usr/$(get_libdir)/*.a "${D}"/usr/$(get_libdir)/ocaml/*/*.a
+	fi
+
+	# for xendomains
+	keepdir /etc/xen/auto
+
+	# Remove files failing QA AFTER emake installs them, avoiding seeking absent files
+	find "${D}" \( -name openbios-sparc32 -o -name openbios-sparc64 \
+		-o -name openbios-ppc -o -name palcode-clipper \) -delete || die
+
+	keepdir /var/lib/xen/dump
+	keepdir /var/lib/xen/xenpaging
+	keepdir /var/lib/xenstored
+	keepdir /var/log/xen
+
+	if use python; then
+		python_domodule "${S}/tools/libs/stat/bindings/swig/python/xenstat.py"
+		python_domodule "${S}/tools/libs/stat/bindings/swig/python/_xenstat.so"
+	fi
+
+	python_optimize
+}
+
+pkg_postinst() {
+	elog "Official Xen Guide and the offical wiki page:"
+	elog "https://wiki.gentoo.org/wiki/Xen"
+	elog "https://wiki.xen.org/wiki/Main_Page"
+	elog ""
+	elog "Recommended to utilise the xencommons script to config system at boot"
+	elog "Add by use of rc-update on completion of the install"
+
+	if ! use hvm; then
+		echo
+		elog "HVM (VT-x and AMD-V) support has been disabled. If you need hvm"
+		elog "support enable the hvm use flag."
+		elog "An x86 or amd64 system is required to build HVM support."
+	fi
+
+	if use qemu; then
+		elog "The qemu-bridge-helper is renamed to the xen-bridge-helper in the in source"
+		elog "build of qemu.  This allows for app-emulation/qemu to be emerged concurrently"
+		elog "with the qemu capable xen.  It is up to the user to distinguish between and utilise"
+		elog "the qemu-bridge-helper and the xen-bridge-helper. File bugs of any issues that arise"
+	fi
+}