app-emulation/xen-tools: fix building with USE=ovmf

Closes: https://bugs.gentoo.org/816987
Signed-off-by: Tomáš Mózes <hydrapolic@gmail.com>
Signed-off-by: Sam James <sam@gentoo.org>

4 files changed, 614 insertions, 0 deletions

diff --git a/app-emulation/xen-tools/Manifest b/app-emulation/xen-tools/Manifest
index 081391d45c57..20fa1bbabfd3 100644
--- a/app-emulation/xen-tools/Manifest
+++ b/app-emulation/xen-tools/Manifest
@@ -1,7 +1,9 @@
 DIST OpenSSL_1_1_1g.tar.gz 9975550 BLAKE2B 22efa4ffe5d56a861bc4e2e1bc9a558e79265a3789acd9ca65d0a1162a1808a089a92a234e88c951f2a3cdabd3b1908ac7fe6d5f2b5fe554f229a22c11ab185b SHA512 bc8d24d7fc93542a8d77e13a57768de242ef679ef4db93c1b6b981a15a60646a5c5d869d066248448f3eb1ab2012e3ddc80bf301f486c0574d469a3f7db7b8d4
+DIST OpenSSL_1_1_1j.tar.gz 9994760 BLAKE2B 749886716739dcb909bd79b29cf714640b64039917f64f6cfc4bee9861e797380d0df9ff11d7f6bb084508b322cb0db4ef7a2f871ee304548ec919d387cdb2c5 SHA512 f94ef129514e69b70f800a599ae726eff6a2fac0dfa8e42982973d1328f6fac6b1da1124e1a7b8aa3d579b720ecf9c71a8bae45db6b1630c052b0c3a22b9360e
 DIST berkeley-softfloat-b64af41c3276f97f0e181920400ee056b9c88037.tar.gz 148741 BLAKE2B 72014022926b636147e202d74c42df2ce9cfed00b91c275d5b2e0afbc5c68765445cbe7ac6389d7c2512bd1d45b0e16e999936552d09bbc733ab66c92968bd31 SHA512 8420c29faa7ff57e06d6758b03e81ca0630c59946bc031e8611f1449e23634cf901b502161f2c1423c0cff949b5481445e36a3aa53dc885b61ca2c673b3ba567
 DIST brotli-666c3280cc11dc433c303d79a83d4ffbdd12cc8d.tar.gz 23855739 BLAKE2B 7406ec5b29ac66afbcd7c1376bb3208f298d19b6592b2869c52173aa64947d58bd443f9a61c67deaf046be910a0e31c0b843e5508e97e0e1f5e7bce100d86904 SHA512 df8e90562c4fd7f0e787949df6bc4f5a165b39bd333f442d27874fe65640fbba268f9350d7113e6761a5acceb66d78e75f1a296e5a89b94574edf28109cdc812
 DIST edk2-06dc822d045c2bb42e497487935485302486e151.tar.gz 13192042 BLAKE2B 81afa7fd5f6f14fff35baa3c6c64583fa21c7b793ed847a3362fd05a926bb4402db911f9f78f4ffd76a6de9b815171dfa245ae41afac3b022cd108597e8c1ac3 SHA512 a032a1496db7ddc32a7d6d1a7d5fe4122ab43b13547ec019855166d785f162268ad82ceb3c41efafe1687e73fc72599ee6852741652451e1cb329fd655c69b6c
+DIST edk2-a3741780fe3535e19e02efa869a7cac481891129.tar.gz 12886279 BLAKE2B 2054bb84375b9840b31276f86786ea764368da200087e45c0528f2ca6b17aa9078a05e406bafa41c25cd65971ff007dfa19ffe91f9a5a2ab6c845bc6f62df3de SHA512 ca0543fefeb1fdc8d0d9841de309ce40fe88220463569a77f56d3fe3184fd4a57ce00b3c96c0861a51b7dbf5f4a9f9946b960a636593682f380c861f2606d190
 DIST ipxe-git-988d2c13cdf0f0b4140685af35ced70ac5b3283c.tar.gz 3931642 BLAKE2B bf0b5d9ea1d44803bc5c4aa0bf9188636e292b226ab759f32e3c2bfa3f80dd3f546526b9a11c1f67193793ede5309bfa67bdce80aba62ccca54597dc6e7e4ba4 SHA512 0a63f83c9135d05c6bfe7c4d12da3ff76271e35305a4d5654bd5aefa9ee59f5363546c65820c42133deb0fb5a0a0bcaa9b1c48396f9f996acea0d492a5f03f33
 DIST seabios-1.14.0.tar.gz 628985 BLAKE2B cc1126925dab1551a655680d20d06ebf28c12c386500d1ee4df9e1a99403b4c5bc6a66c2cc5ef58b4c3d6d7226f35007506a6a1855c2cf2742469dcb7aba05bb SHA512 215c42f59425f8abd062be7b11fc0e39c977cee5001a2381551b0f851ac337d0dd53c065267e6dee0e710ffd700fa635f9007b89da8dfce0f47122c984ee8146
 DIST xen-4.14.2-upstream-patches-0.tar.xz 23304 BLAKE2B 954e0a49e5c3ec122aefe52afe328f440b8a4c8db966e0fa91e0b6d6cb3c0462b75fb99b3e7392811bd2e680cd7945e8a4d68317245fd42fdf0ad6cab33fbc68 SHA512 64d243f0c8acfec87812e4d78e3d8b24a86315824853f4f3b17122b7119425d180650695bc12e1a30f5b30c6ef684be7c08b2bc677ca2f0668d0335d92e2bf78
diff --git a/app-emulation/xen-tools/files/xen-tools-4.15.1-brotli-gcc11.patch b/app-emulation/xen-tools/files/xen-tools-4.15.1-brotli-gcc11.patch
new file mode 100644
index 000000000000..c30cb328460d
--- /dev/null
+++ b/app-emulation/xen-tools/files/xen-tools-4.15.1-brotli-gcc11.patch
@@ -0,0 +1,33 @@
+diff --git a/c/dec/decode.c b/c/dec/decode.c
+index ae5a3d3f..7eee9688 100644
+--- a/c/dec/decode.c
++++ b/c/dec/decode.c
+@@ -2033,8 +2033,10 @@ static BROTLI_NOINLINE BrotliDecoderErrorCode SafeProcessCommands(
+ }
+ 
+ BrotliDecoderResult BrotliDecoderDecompress(
+-    size_t encoded_size, const uint8_t* encoded_buffer, size_t* decoded_size,
+-    uint8_t* decoded_buffer) {
++    size_t encoded_size,
++    const uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(encoded_size)],
++    size_t* decoded_size,
++    uint8_t decoded_buffer[BROTLI_ARRAY_PARAM(*decoded_size)]) {
+   BrotliDecoderState s;
+   BrotliDecoderResult result;
+   size_t total_out = 0;
+diff --git a/c/enc/encode.c b/c/enc/encode.c
+index 8d90937b..0c49c641 100644
+--- a/c/enc/encode.c
++++ b/c/enc/encode.c
+@@ -1470,8 +1470,9 @@ static size_t MakeUncompressedStream(
+ 
+ BROTLI_BOOL BrotliEncoderCompress(
+     int quality, int lgwin, BrotliEncoderMode mode, size_t input_size,
+-    const uint8_t* input_buffer, size_t* encoded_size,
+-    uint8_t* encoded_buffer) {
++    const uint8_t input_buffer[BROTLI_ARRAY_PARAM(input_size)],
++    size_t* encoded_size,
++    uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(*encoded_size)]) {
+   BrotliEncoderState* s;
+   size_t out_size = *encoded_size;
+   const uint8_t* input_start = input_buffer;
diff --git a/app-emulation/xen-tools/files/xen-tools-4.15.1-edk2-python3.9.patch b/app-emulation/xen-tools/files/xen-tools-4.15.1-edk2-python3.9.patch
new file mode 100644
index 000000000000..a1f8d155434e
--- /dev/null
+++ b/app-emulation/xen-tools/files/xen-tools-4.15.1-edk2-python3.9.patch
@@ -0,0 +1,26 @@
+diff --git a/BaseTools/Source/Python/Common/Misc.py b/BaseTools/Source/Python/Common/Misc.py
+index ad556710802e..4be7957138a5 100755
+--- a/BaseTools/Source/Python/Common/Misc.py
++++ b/BaseTools/Source/Python/Common/Misc.py
+@@ -1635,7 +1635,7 @@ def __init__(self, PeFile):
+         ByteArray = array.array('B')

+         ByteArray.fromfile(PeObject, 4)

+         # PE signature should be 'PE\0\0'

+-        if ByteArray.tostring() != b'PE\0\0':

++        if ByteArray.tolist() != [ord('P'), ord('E'), 0, 0]:

+             self.ErrorInfo = self.FileName + ' has no valid PE signature PE00'

+             return

+ 

+diff --git a/BaseTools/Source/Python/AutoGen/UniClassObject.py b/BaseTools/Source/Python/AutoGen/UniClassObject.py
+index b2895f7e5c63..883c2356e0ca 100644
+--- a/BaseTools/Source/Python/AutoGen/UniClassObject.py
++++ b/BaseTools/Source/Python/AutoGen/UniClassObject.py
+@@ -152,7 +152,7 @@ def encode(self, input, errors='strict'):
+ 

+ TheUcs2Codec = Ucs2Codec()

+ def Ucs2Search(name):

+-    if name == 'ucs-2':

++    if name in ['ucs-2', 'ucs_2']:

+         return codecs.CodecInfo(

+             name=name,

+             encode=TheUcs2Codec.encode,

diff --git a/app-emulation/xen-tools/xen-tools-4.15.1-r1.ebuild b/app-emulation/xen-tools/xen-tools-4.15.1-r1.ebuild
new file mode 100644
index 000000000000..14a3eb3c222f
--- /dev/null
+++ b/app-emulation/xen-tools/xen-tools-4.15.1-r1.ebuild
@@ -0,0 +1,553 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{8..9} )
+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=
+	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
+
+	# 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
+}