dev-libs/libxml2: add new upstream patch to fix lxml regression

A regression was introduced by the previous upstream patch (which we
added to Gentoo in 6d220e09b25048d28d6598f8a6ffb62f0fbe92b4).

Bug: https://bugs.gentoo.org/790737
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 250 insertions, 0 deletions

diff --git a/dev-libs/libxml2/Manifest b/dev-libs/libxml2/Manifest
index 8aa7d9f74fcb..116882cc1d5f 100644
--- a/dev-libs/libxml2/Manifest
+++ b/dev-libs/libxml2/Manifest
@@ -1,6 +1,7 @@
 DIST libxml2-2.9.10-r1-patchset.tar.xz 72088 BLAKE2B 4d5f8aed35d6c0232089e09f22a77cbd25cbd2007c1330538e1c7acc4398ec3ef9023289129677cf5499dbacde4c2f28850ae81acab351d02625d3452aedaede SHA512 a63032d1e85128f637c2b54356aab06a17e31eb1f5facd8fdf88463eb21df6a1d9fd8cc751fa94b8d322fa4f796be4e1d9aa071cbd0826ab31fae46525fde952
 DIST libxml2-2.9.10.tar.gz 5624761 BLAKE2B a9958bd7db17fbfb8259b64d66548eb19d28f1aecf40cf66752fcec5720855d31cea9941d52963badd8c18ea1770485f1c11da6213149458336ce0273418f421 SHA512 0adfd12bfde89cbd6296ba6e66b6bed4edb814a74b4265bda34d95c41d9d92c696ee7adb0c737aaf9cc6e10426a31a35079b2a23d26c074e299858da12c072ed
 DIST libxml2-2.9.12-r1-patchset.tar.bz2 5497 BLAKE2B fda8ad166c89209abaf8f94a5dfbff84e5a6c89cca36350a2f0b9b8db42c6f348b6cb8c7738a35aed8421ca994cc6ad76c3aa02a8a9899fa969b493ca1761b01 SHA512 469befb393430d2532e27f9ed834e0ab5473fc371c89582c3b1434ab1c370140f132d4acf315f7c2b9d1841ab3e78ef04069cca78d66917269b5112ab42127df
+DIST libxml2-2.9.12-r2-patchset.tar.bz2 5939 BLAKE2B e518a174385a121ca5545d0a51c2a2b4ddd21b1e7996e2806f368588b27d60e8318ab50ebfb90c3ee57ccece4f1c37e05c1daeed4203a4e9cb5a056ba530ad2b SHA512 06b96ab8426cd560c1147998965b5e718bee08536549a278269f6535ff1460ed97d83067ed0e8a4d834145a5e5a6caa912cf8aa5a33a360e4b1bc9d9135bfb04
 DIST libxml2-2.9.12.tar.gz 5681632 BLAKE2B ab93633140e9fd119d3a48ed829a91213c3d7956a00d181203f5188fb0ed0d3a7150d3128fe986b13efadf6fe484393262a3de575527f38f74aa6c0067a6d934 SHA512 df1c6486e80f0fcf3c506f3599bcfb94b620c00d0b5d26831bc983daa78d58ec58b5057b1ec7c1a26c694f40199c6234ee2a6dcabf65abfa10c447cb5705abbd
 DIST libxml2-2.9.12.tar.gz.asc 488 BLAKE2B 48ec86ec373d94de73bdb52141fc77fccd0ca296a35ed97aa3479ecdcf82b15422dd7d751359b5b1ca477e24b8eee9226784cfbfd861236e10eed2519e7959bf SHA512 69ca6ab7170cad467724e19eff99a3544966a26069e78a7b7cc27ae93a9077b11cc8dad2536bd0b27c3b45f4ea7520c813fe5a018cd65f103059f7f75147a656
 DIST xmlts20080827.tar.gz 638940 BLAKE2B c5aab959c6e0698acd5b9be82b48a8ac26f4d01cc03f9acfff20d344f97f4711fc6d4a524ae70457147e8e30c72e27b6726829e1dd21896286aa974ed60774e7 SHA512 7325d0977c4427fc4944b291ccf896a665f654cc24399e5565c12a849c2bc3aef4fa3ee42a09ac115abcb6570c51a8fbd052c38d64d164279ecdecad5a4e884d
diff --git a/dev-libs/libxml2/libxml2-2.9.12-r2.ebuild b/dev-libs/libxml2/libxml2-2.9.12-r2.ebuild
new file mode 100644
index 000000000000..a58549977402
--- /dev/null
+++ b/dev-libs/libxml2/libxml2-2.9.12-r2.ebuild
@@ -0,0 +1,249 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+# Note: Please bump in sync with dev-libs/libxslt
+
+PATCHSET_VERSION="2.9.12-r2-patchset"
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+PYTHON_REQ_USE="xml"
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/danielveillard.asc
+inherit autotools flag-o-matic prefix python-r1 multilib-minimal verify-sig
+
+XSTS_HOME="http://www.w3.org/XML/2004/xml-schema-test-suite"
+XSTS_NAME_1="xmlschema2002-01-16"
+XSTS_NAME_2="xmlschema2004-01-14"
+XSTS_TARBALL_1="xsts-2002-01-16.tar.gz"
+XSTS_TARBALL_2="xsts-2004-01-14.tar.gz"
+XMLCONF_TARBALL="xmlts20130923.tar.gz"
+DESCRIPTION="XML C parser and toolkit"
+HOMEPAGE="http://www.xmlsoft.org/ https://gitlab.gnome.org/GNOME/libxml2"
+SRC_URI="
+	ftp://xmlsoft.org/${PN}/${PN}-${PV/_rc/-rc}.tar.gz
+	https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${PN}-${PATCHSET_VERSION}.tar.bz2
+	test? (
+		${XSTS_HOME}/${XSTS_NAME_1}/${XSTS_TARBALL_1}
+		${XSTS_HOME}/${XSTS_NAME_2}/${XSTS_TARBALL_2}
+		https://www.w3.org/XML/Test/${XMLCONF_TARBALL}
+	)
+	verify-sig? ( ftp://xmlsoft.org/${PN}/${PN}-${PV/_rc/-rc}.tar.gz.asc )
+"
+S="${WORKDIR}/${PN}-${PV%_rc*}"
+
+LICENSE="MIT"
+SLOT="2"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="debug examples icu ipv6 lzma +python readline static-libs test"
+RESTRICT="!test? ( test )"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+BDEPEND="
+	dev-util/gtk-doc-am
+	virtual/pkgconfig
+	verify-sig? ( app-crypt/openpgp-keys-danielveillard )
+"
+RDEPEND="
+	>=sys-libs/zlib-1.2.8-r1:=[${MULTILIB_USEDEP}]
+	icu? ( >=dev-libs/icu-51.2-r1:=[${MULTILIB_USEDEP}] )
+	lzma? ( >=app-arch/xz-utils-5.0.5-r1:=[${MULTILIB_USEDEP}] )
+	python? ( ${PYTHON_DEPS} )
+	readline? ( sys-libs/readline:= )
+"
+DEPEND="${RDEPEND}"
+
+MULTILIB_CHOST_TOOLS=(
+	/usr/bin/xml2-config
+)
+
+DOCS=( AUTHORS ChangeLog NEWS README TODO TODO_SCHEMAS )
+
+PATCHES=(
+	## Gentoo
+	# Patches needed for prefix support
+	"${WORKDIR}"/${PN}-2.7.1-catalog_path.patch
+
+	# Fix python detection, bug #567066
+	# https://bugzilla.gnome.org/show_bug.cgi?id=760458
+	"${WORKDIR}"/${PN}-2.9.2-python-ABIFLAG.patch
+
+	# Fix python tests when building out of tree #565576
+	"${WORKDIR}"/${PN}-2.9.8-out-of-tree-test.patch
+
+	# bug #745162
+	"${WORKDIR}"/${PN}-2.9.8-python3-unicode-errors.patch
+
+	# Avoid failure on missing fuzz.h when running tests
+	"${WORKDIR}"/${PN}-2.9.11-disable-fuzz-tests.patch
+
+	## Upstream
+	# Fix lxml compatibility
+	"${WORKDIR}"/${PN}-2.9.12-fix-lxml-compatibility.patch
+)
+
+src_unpack() {
+	local tarname=${P/_rc/-rc}.tar.gz
+
+	if use verify-sig ; then
+		verify-sig_verify_detached "${DISTDIR}"/${tarname}{,.asc}
+	fi
+
+	# ${A} isn't used to avoid unpacking of test tarballs into ${WORKDIR},
+	# as they are needed as tarballs in ${S}/xstc instead and not unpacked
+	unpack ${tarname} ${PN}-${PATCHSET_VERSION}.tar.bz2
+
+	cd "${S}" || die
+
+	if use test ; then
+		cp "${DISTDIR}/${XSTS_TARBALL_1}" \
+			"${DISTDIR}/${XSTS_TARBALL_2}" \
+			"${S}"/xstc/ \
+			|| die "Failed to install test tarballs"
+		unpack ${XMLCONF_TARBALL}
+	fi
+}
+
+src_prepare() {
+	default
+
+	eprefixify catalog.c xmlcatalog.c runtest.c xmllint.c
+
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		# Avoid final linking arguments for python modules
+		sed -i -e '/PYTHON_LIBS/s/ldflags/libs/' configure.ac || die
+		# gcc-apple doesn't grok -Wno-array-bounds
+		sed -i -e 's/-Wno-array-bounds//' configure.ac || die
+	fi
+
+	# Please do not remove, as else we get references to PORTAGE_TMPDIR
+	# in /usr/lib/python?.?/site-packages/libxml2mod.la among things.
+	# We now need to run eautoreconf at the end to prevent maintainer mode.
+	#elibtoolize
+	eautoreconf
+}
+
+multilib_src_configure() {
+	# Filter seemingly problematic CFLAGS (#26320)
+	filter-flags -fprefetch-loop-arrays -funroll-loops
+
+	# Notes:
+	# 1) USE zlib support breaks gnome2
+	#    (libgnomeprint for instance fails to compile with
+	#    fresh install, and existing) - <azarah@gentoo.org> (22 Dec 2002).
+	#
+	# 2) The meaning of the 'debug' USE flag does not apply to the --with-debug
+	#    switch (enabling the libxml2 debug module). See bug #100898.
+	#
+	# 3) --with-mem-debug causes unusual segmentation faults (bug #105120).
+
+	libxml2_configure() {
+		ECONF_SOURCE="${S}" econf \
+			--with-html-subdir=${PF}/html \
+			$(use_with debug run-debug) \
+			$(use_with icu) \
+			$(use_with lzma) \
+			$(use_enable ipv6) \
+			$(use_enable static-libs static) \
+			$(multilib_native_use_with readline) \
+			$(multilib_native_use_with readline history) \
+			"$@"
+	}
+
+	libxml2_py_configure() {
+		# Ensure python build dirs exist
+		mkdir -p "${BUILD_DIR}" || die
+
+		# Odd build system, also see bug #582130
+		run_in_build_dir libxml2_configure \
+			"--with-python=${EPYTHON}" \
+			"--with-python-install-dir=$(python_get_sitedir)"
+	}
+
+	# Build python bindings separately
+	libxml2_configure --without-python
+
+	if multilib_is_native_abi && use python ; then
+		python_foreach_impl libxml2_py_configure
+	fi
+}
+
+libxml2_py_emake() {
+	pushd "${BUILD_DIR}/python" > /dev/null || die
+
+	emake "$@"
+
+	popd > /dev/null || die
+}
+
+multilib_src_compile() {
+	default
+
+	if multilib_is_native_abi && use python ; then
+		local native_builddir="${BUILD_DIR}"
+
+		python_foreach_impl libxml2_py_emake \
+				top_builddir="${native_builddir}" \
+				all
+	fi
+}
+
+multilib_src_test() {
+	ln -s "${S}"/xmlconf || die
+
+	emake check
+
+	if multilib_is_native_abi && use python ; then
+		python_foreach_impl libxml2_py_emake test
+	fi
+}
+
+multilib_src_install() {
+	emake \
+		DESTDIR="${D}" \
+		EXAMPLES_DIR="${EPREFIX}"/usr/share/doc/${PF}/examples \
+		install
+
+	if multilib_is_native_abi && use python ; then
+		python_foreach_impl libxml2_py_emake \
+			DESTDIR="${D}" \
+			docsdir="${EPREFIX}"/usr/share/doc/${PF}/python \
+			exampledir="${EPREFIX}"/usr/share/doc/${PF}/python/examples \
+			install
+
+		python_foreach_impl python_optimize
+	fi
+}
+
+multilib_src_install_all() {
+	rm -rf "${ED}"/usr/share/doc/${P}
+
+	einstalldocs
+
+	if ! use examples ; then
+		rm -rf "${ED}"/usr/share/doc/${PF}/examples
+		rm -rf "${ED}"/usr/share/doc/${PF}/python/examples
+	fi
+
+	find "${D}" -name '*.la' -delete || die
+}
+
+pkg_postinst() {
+	# We don't want to do the xmlcatalog during stage1, as xmlcatalog will not
+	# be in / and stage1 builds to ROOT=/tmp/stage1root. This fixes bug #208887.
+	if [[ -n "${ROOT}" ]]; then
+		elog "Skipping XML catalog creation for stage building (bug #208887)."
+	else
+		# Need an XML catalog, so no-one writes to a non-existent one
+		CATALOG="${EROOT}/etc/xml/catalog"
+
+		# We don't want to clobber an existing catalog though,
+		# only ensure that one is there
+		# <obz@gentoo.org>
+		if [[ ! -e "${CATALOG}" ]]; then
+			[[ -d "${EROOT}/etc/xml" ]] || mkdir -p "${EROOT}/etc/xml"
+			"${EPREFIX}"/usr/bin/xmlcatalog --create > "${CATALOG}"
+			einfo "Created XML catalog in ${CATALOG}"
+		fi
+	fi
+}