net-libs/webkit-gtk: readd libxml2 subslot operator

As stable to avoid undue rebuilds to stable

Fixes: 83b9e11f66aa20052027a1952c37697e45cd0528
See-Also: af5d433aa8744ddc0eb9233efd0e9747ae1f5bf0
Signed-off-by: Alfred Wingate <parona@protonmail.com>
Part-of: https://github.com/gentoo/gentoo/pull/43743
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 539 insertions, 0 deletions

diff --git a/net-libs/webkit-gtk/webkit-gtk-2.48.5-r411.ebuild b/net-libs/webkit-gtk/webkit-gtk-2.48.5-r411.ebuild
new file mode 100644
index 000000000000..d7fe7d5bee1c
--- /dev/null
+++ b/net-libs/webkit-gtk/webkit-gtk-2.48.5-r411.ebuild
@@ -0,0 +1,260 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+PYTHON_REQ_USE="xml(+)"
+PYTHON_COMPAT=( python3_{10..13} )
+USE_RUBY="ruby31 ruby32 ruby33 ruby34"
+
+inherit check-reqs flag-o-matic gnome2 optfeature python-any-r1 ruby-single toolchain-funcs cmake
+
+MY_P="webkitgtk-${PV}"
+DESCRIPTION="Open source web browser engine"
+HOMEPAGE="https://www.webkitgtk.org"
+SRC_URI="https://www.webkitgtk.org/releases/${MY_P}.tar.xz"
+
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="LGPL-2+ BSD"
+SLOT="4.1/0" # soname version of libwebkit2gtk-4.1
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
+
+IUSE="aqua avif examples gamepad keyring +gstreamer +introspection pdf jpegxl +jumbo-build lcms seccomp spell systemd wayland X"
+REQUIRED_USE="|| ( aqua wayland X )"
+
+# Tests do not run when built from tarballs
+# https://bugs.webkit.org/show_bug.cgi?id=215986
+RESTRICT="test"
+
+# Dependencies can be found in Source/cmake/OptionsGTK.cmake.
+#
+# * Missing WebRTC support, but ENABLE_WEB_RTC is experimental upstream.
+#
+# * media-libs/mesa dep is for libgbm
+#
+# * >=gst-plugins-opus-1.14.4-r1 for opusparse (required by MSE)
+#
+# * TODO: gst-plugins-base[X] is only needed when build configuration ends up
+#         with GLX set, but that's a bit automagic too to fix
+#
+# * Cairo is only needed on big-endian systems, where Skia is not officially
+#   supported (the build system will choose a backend for you). We could probably
+#   hard-code a list of BE arches here, to avoid the extra dependency? But I am
+#   holding out hope that this might actually get fixed before we need to do that.
+#
+# * dev-util/sysprof-capture is disabled because it was a new dependency in 2.46
+#   and we don't need any more new problems.
+#
+RDEPEND="
+	app-accessibility/at-spi2-core:2
+	dev-db/sqlite:3
+	dev-libs/glib:2
+	dev-libs/hyphen
+	dev-libs/icu:=
+	dev-libs/libgcrypt:0=
+	dev-libs/libtasn1:=
+	dev-libs/libxml2:2=
+	dev-libs/libxslt
+	media-libs/fontconfig:1.0
+	media-libs/freetype:2
+	media-libs/harfbuzz:=[icu(+)]
+	media-libs/libjpeg-turbo:0=
+	media-libs/libepoxy[egl(+)]
+	media-libs/libglvnd
+	media-libs/libpng:0=
+	media-libs/libwebp:=
+	media-libs/mesa
+	media-libs/woff2
+	net-libs/libsoup:3.0[introspection?]
+	sys-libs/zlib:0
+	x11-libs/cairo[X?]
+	x11-libs/gtk+:3[aqua?,introspection?,wayland?,X?]
+	x11-libs/libdrm
+	avif? ( media-libs/libavif:= )
+	gamepad? ( dev-libs/libmanette )
+	gstreamer? (
+		media-libs/gstreamer:1.0
+		media-libs/gst-plugins-base:1.0[egl,opengl,X?]
+		media-plugins/gst-plugins-opus:1.0
+		media-libs/gst-plugins-bad:1.0
+	)
+	introspection? ( dev-libs/gobject-introspection:= )
+	jpegxl? ( media-libs/libjxl:= )
+	keyring? ( app-crypt/libsecret )
+	lcms? ( media-libs/lcms:2 )
+	seccomp? (
+		sys-apps/bubblewrap
+		sys-libs/libseccomp
+		sys-apps/xdg-dbus-proxy
+	)
+	spell? ( app-text/enchant:2 )
+	systemd? ( sys-apps/systemd:= )
+	X? ( x11-libs/libX11 )
+	wayland? (
+		dev-libs/wayland
+		dev-libs/wayland-protocols
+	)
+"
+DEPEND="${RDEPEND}"
+# Need real bison, not yacc
+BDEPEND="
+	${PYTHON_DEPS}
+	${RUBY_DEPS}
+	app-accessibility/at-spi2-core
+	dev-lang/perl
+	dev-util/gdbus-codegen
+	dev-util/glib-utils
+	dev-util/gperf
+	dev-util/unifdef
+	sys-devel/bison
+	sys-devel/gettext
+	virtual/pkgconfig
+	wayland? ( dev-util/wayland-scanner )
+"
+
+CHECKREQS_DISK_BUILD="18G" # and even this might not be enough, bug #417307
+
+# We cannot use PATCHES because src_prepare() calls cmake_src_prepare and
+# gnome2_src_prepare, and both apply ${PATCHES[@]}
+PATCHES=()
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} != "binary" ]] ; then
+		if is-flagq "-g*" && ! is-flagq "-g*0" ; then
+			einfo "Checking for sufficient disk space to build ${PN} with debugging CFLAGS"
+			check-reqs_pkg_pretend
+		fi
+
+		if ! test-flag-CXX -std=c++17 ; then
+			die "You need at least GCC 7.3.x or Clang >= 5 for C++17-specific compiler flags"
+		fi
+	fi
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != "binary" ]] && is-flagq "-g*" && ! is-flagq "-g*0" ; then
+		check-reqs_pkg_setup
+	fi
+
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	cmake_src_prepare
+	gnome2_src_prepare
+
+	# https://bugs.gentoo.org/938162, see also mycmakeargs
+	eapply "${FILESDIR}"/2.48.3-fix-ftbfs-riscv64.patch
+
+	# We don't want -Werror for gobject-introspection (bug #947761)
+	sed -i -e "s:--warn-error::" Source/cmake/FindGI.cmake || die
+}
+
+src_configure() {
+	# Respect CC, otherwise fails on prefix #395875
+	tc-export CC
+
+	# ODR violations (bug #915230, https://bugs.webkit.org/show_bug.cgi?id=233007)
+	filter-lto
+
+	# It does not compile on alpha without this in LDFLAGS
+	# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=648761
+	use alpha && append-ldflags "-Wl,--no-relax"
+
+	# Sigbuses on SPARC with mcpu and co., bug #???
+	use sparc && filter-flags "-mvis"
+
+	# https://bugs.webkit.org/show_bug.cgi?id=42070 , #301634
+	use ppc64 && append-flags "-mminimal-toc"
+
+	# Try to use less memory, bug #469942 (see Fedora .spec for reference)
+	append-ldflags $(test-flags-CCLD "-Wl,--no-keep-memory")
+
+	# Ruby situation is a bit complicated. See bug 513888
+	local rubyimpl
+	local ruby_interpreter=""
+	local RUBY
+	for rubyimpl in ${USE_RUBY}; do
+		if has_version -b "virtual/rubygems[ruby_targets_${rubyimpl}(-)]"; then
+			RUBY="$(type -P ${rubyimpl})"
+			ruby_interpreter="-DRUBY_EXECUTABLE=${RUBY}"
+		fi
+	done
+	# This will rarely occur. Only a couple of corner cases could lead us to
+	# that failure. See bug 513888
+	[[ -z ${ruby_interpreter} ]] && die "No suitable ruby interpreter found"
+	# JavaScriptCore/Scripts/postprocess-asm invokes another Ruby script directly
+	# so it doesn't respect RUBY_EXECUTABLE, bug #771744.
+	sed -i -e "s:#!/usr/bin/env ruby:#!${RUBY}:" $(grep -rl "/usr/bin/env ruby" Source/JavaScriptCore || die) || die
+
+	# TODO: Check Web Audio support
+	# should somehow let user select between them?
+	local mycmakeargs=(
+		-DPython_EXECUTABLE="${PYTHON}"
+		${ruby_interpreter}
+		# If bubblewrap[suid] then portage makes it go-r and cmake find_program fails with that
+		-DBWRAP_EXECUTABLE:FILEPATH="${EPREFIX}"/usr/bin/bwrap
+		-DDBUS_PROXY_EXECUTABLE:FILEPATH="${EPREFIX}"/usr/bin/xdg-dbus-proxy
+		-DPORT=GTK
+		# Source/cmake/WebKitFeatures.cmake
+		-DENABLE_API_TESTS=OFF
+		-DENABLE_BUBBLEWRAP_SANDBOX=$(usex seccomp)
+		-DENABLE_DRAG_SUPPORT=ON
+		-DENABLE_GAMEPAD=$(usex gamepad)
+		-DENABLE_GEOLOCATION=ON # Runtime optional (talks over dbus service)
+		-DENABLE_MINIBROWSER=$(usex examples)
+		-DENABLE_PDFJS=$(usex pdf)
+		-DENABLE_SPEECH_SYNTHESIS=OFF
+		-DENABLE_SPELLCHECK=$(usex spell)
+		-DENABLE_TOUCH_EVENTS=ON
+		-DENABLE_UNIFIED_BUILDS=$(usex jumbo-build)
+		-DENABLE_VIDEO=$(usex gstreamer)
+		-DENABLE_WEB_AUDIO=$(usex gstreamer)
+		-DENABLE_WEB_CODECS=$(usex gstreamer) # https://bugs.webkit.org/show_bug.cgi?id=269147
+		-DENABLE_WEBDRIVER=OFF
+		-DENABLE_WEBGL=ON
+		-DUSE_AVIF=$(usex avif)
+		-DUSE_GSTREAMER_WEBRTC=$(usex gstreamer)
+		-DUSE_GSTREAMER_TRANSCODER=$(usex gstreamer)
+		# Source/cmake/OptionsGTK.cmake
+		-DENABLE_DOCUMENTATION=OFF
+		-DENABLE_INTROSPECTION=$(usex introspection)
+		-DENABLE_JOURNALD_LOG=$(usex systemd)
+		-DENABLE_QUARTZ_TARGET=$(usex aqua)
+		-DENABLE_WAYLAND_TARGET=$(usex wayland)
+		-DENABLE_X11_TARGET=$(usex X)
+		-DUSE_GBM=ON
+		-DUSE_GTK4=OFF
+		-DUSE_JPEGXL=$(usex jpegxl)
+		-DUSE_LCMS=$(usex lcms)
+		-DUSE_LIBBACKTRACE=OFF
+		-DUSE_LIBDRM=ON
+		-DUSE_LIBHYPHEN=ON
+		-DUSE_LIBSECRET=$(usex keyring)
+		-DUSE_SOUP2=OFF
+		-DUSE_SYSPROF_CAPTURE=OFF
+		-DUSE_WOFF2=ON
+	)
+
+	# Temporary workaround for bug 938162 (upstream bug 271371)
+	# in concert with our Debian patch. The idea to enable C_LOOP
+	# is also stolen from Debian's build.
+	use riscv && mycmakeargs+=(
+		-DENABLE_WEBASSEMBLY=OFF
+		-DENABLE_JIT=OFF
+		-DENABLE_C_LOOP=ON
+	)
+
+	# https://bugs.gentoo.org/761238
+	append-cppflags -DNDEBUG
+
+	WK_USE_CCACHE=NO cmake_src_configure
+}
+
+pkg_postinst() {
+	optfeature "geolocation service (used at runtime if available)" "app-misc/geoclue"
+	optfeature "Common Multimedia codecs" "media-plugins/gst-plugins-meta"
+	optfeature "VAAPI encoding support" "media-libs/gst-plugins-bad[vaapi]"
+	optfeature "MPEG-DASH support" "media-plugins/gst-plugins-dash"
+	optfeature "HTTP live streaming (HLS) support" "media-plugins/gst-plugins-hls"
+}
diff --git a/net-libs/webkit-gtk/webkit-gtk-2.48.5-r601.ebuild b/net-libs/webkit-gtk/webkit-gtk-2.48.5-r601.ebuild
new file mode 100644
index 000000000000..1335519e73c9
--- /dev/null
+++ b/net-libs/webkit-gtk/webkit-gtk-2.48.5-r601.ebuild
@@ -0,0 +1,279 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+PYTHON_REQ_USE="xml(+)"
+PYTHON_COMPAT=( python3_{10..13} )
+USE_RUBY="ruby31 ruby32 ruby33 ruby34"
+
+inherit check-reqs flag-o-matic gnome2 optfeature python-any-r1 ruby-single toolchain-funcs cmake
+
+MY_P="webkitgtk-${PV}"
+DESCRIPTION="Open source web browser engine"
+HOMEPAGE="https://www.webkitgtk.org"
+SRC_URI="https://www.webkitgtk.org/releases/${MY_P}.tar.xz"
+
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="LGPL-2+ BSD"
+SLOT="6/0" # soname version of libwebkit2gtk-6.0
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
+
+IUSE="aqua avif examples gamepad keyring +gstreamer +introspection pdf jpegxl +jumbo-build lcms seccomp spell systemd wayland X"
+REQUIRED_USE="|| ( aqua wayland X )"
+
+# Tests do not run when built from tarballs
+# https://bugs.webkit.org/show_bug.cgi?id=215986
+RESTRICT="test"
+
+# Dependencies can be found in Source/cmake/OptionsGTK.cmake.
+#
+# * Missing WebRTC support, but ENABLE_WEB_RTC is experimental upstream.
+#
+# * media-libs/mesa dep is for libgbm
+#
+# * >=gst-plugins-opus-1.14.4-r1 for opusparse (required by MSE)
+#
+# * TODO: gst-plugins-base[X] is only needed when build configuration ends up
+#         with GLX set, but that's a bit automagic too to fix
+#
+# * Softblocking <webkit-gtk-2.38:4 and <webkit-gtk-2.44:4.1 as since
+#   2.44 this SLOT ships the WebKitWebDriver binary; WebKitWebDriver is
+#   an automation tool for web developers, which lets one control the
+#   browser via WebDriver API - only one SLOT can ship it.
+#
+# * at-spi2-core (atspi-2.pc) is checked at build time, but not linked
+#   to in the gtk4 SLOT - is it an upstream check bug and only gtk-4.14
+#   a11y support is used?
+#
+# * Cairo is only needed on big-endian systems, where Skia is not officially
+#   supported (the build system will choose a backend for you). We could probably
+#   hard-code a list of BE arches here, to avoid the extra dependency? But I am
+#   holding out hope that this might actually get fixed before we need to do that.
+#
+# * dev-util/sysprof-capture is disabled because it was a new dependency in 2.46
+#   and we don't need any more new problems.
+#
+RDEPEND="
+	!<net-libs/webkit-gtk-2.38:4
+	!<net-libs/webkit-gtk-2.44:4.1
+	app-accessibility/at-spi2-core:2
+	dev-db/sqlite:3
+	dev-libs/glib:2
+	dev-libs/hyphen
+	dev-libs/icu:=
+	dev-libs/libgcrypt:0=
+	dev-libs/libtasn1:=
+	dev-libs/libxml2:2=
+	dev-libs/libxslt
+	>=gui-libs/gtk-4.14.0:4[aqua?,introspection?,wayland?,X?]
+	media-libs/fontconfig:1.0
+	media-libs/freetype:2
+	media-libs/harfbuzz:=[icu(+)]
+	media-libs/libjpeg-turbo:0=
+	media-libs/libepoxy[egl(+)]
+	media-libs/libglvnd
+	media-libs/libpng:0=
+	media-libs/libwebp:=
+	media-libs/mesa
+	media-libs/woff2
+	net-libs/libsoup:3.0[introspection?]
+	sys-libs/zlib:0
+	x11-libs/cairo[X?]
+	x11-libs/libdrm
+	avif? ( media-libs/libavif:= )
+	gamepad? ( dev-libs/libmanette )
+	gstreamer? (
+		media-libs/gstreamer:1.0
+		media-libs/gst-plugins-base:1.0[egl,opengl,X?]
+		media-plugins/gst-plugins-opus:1.0
+		media-libs/gst-plugins-bad:1.0
+	)
+	introspection? ( dev-libs/gobject-introspection:= )
+	jpegxl? ( media-libs/libjxl:= )
+	keyring? ( app-crypt/libsecret )
+	lcms? ( media-libs/lcms:2 )
+	seccomp? (
+		sys-apps/bubblewrap
+		sys-libs/libseccomp
+		sys-apps/xdg-dbus-proxy
+	)
+	spell? ( app-text/enchant:2 )
+	systemd? ( sys-apps/systemd:= )
+	X? ( x11-libs/libX11 )
+	wayland? (
+		dev-libs/wayland
+		dev-libs/wayland-protocols
+	)
+"
+DEPEND="${RDEPEND}"
+# Need real bison, not yacc
+BDEPEND="
+	${PYTHON_DEPS}
+	${RUBY_DEPS}
+	app-accessibility/at-spi2-core
+	dev-lang/perl
+	dev-util/gdbus-codegen
+	dev-util/glib-utils
+	dev-util/gperf
+	dev-util/unifdef
+	sys-devel/bison
+	sys-devel/gettext
+	virtual/pkgconfig
+	wayland? ( dev-util/wayland-scanner )
+"
+
+CHECKREQS_DISK_BUILD="18G" # and even this might not be enough, bug #417307
+
+# We cannot use PATCHES because src_prepare() calls cmake_src_prepare and
+# gnome2_src_prepare, and both apply ${PATCHES[@]}
+PATCHES=()
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} != "binary" ]] ; then
+		if is-flagq "-g*" && ! is-flagq "-g*0" ; then
+			einfo "Checking for sufficient disk space to build ${PN} with debugging CFLAGS"
+			check-reqs_pkg_pretend
+		fi
+
+		if ! test-flag-CXX -std=c++17 ; then
+			die "You need at least GCC 7.3.x or Clang >= 5 for C++17-specific compiler flags"
+		fi
+	fi
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != "binary" ]] && is-flagq "-g*" && ! is-flagq "-g*0" ; then
+		check-reqs_pkg_setup
+	fi
+
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	cmake_src_prepare
+	gnome2_src_prepare
+
+	# https://bugs.gentoo.org/938162, see also mycmakeargs
+	eapply "${FILESDIR}"/2.48.3-fix-ftbfs-riscv64.patch
+
+	# We don't want -Werror for gobject-introspection (bug #947761)
+	sed -i -e "s:--warn-error::" Source/cmake/FindGI.cmake || die
+}
+
+src_configure() {
+	# Respect CC, otherwise fails on prefix #395875
+	tc-export CC
+
+	# ODR violations (bug #915230, https://bugs.webkit.org/show_bug.cgi?id=233007)
+	filter-lto
+
+	# It does not compile on alpha without this in LDFLAGS
+	# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=648761
+	use alpha && append-ldflags "-Wl,--no-relax"
+
+	# Sigbuses on SPARC with mcpu and co., bug #???
+	use sparc && filter-flags "-mvis"
+
+	# https://bugs.webkit.org/show_bug.cgi?id=42070 , #301634
+	use ppc64 && append-flags "-mminimal-toc"
+
+	# Try to use less memory, bug #469942 (see Fedora .spec for reference)
+	append-ldflags $(test-flags-CCLD "-Wl,--no-keep-memory")
+
+	# Ruby situation is a bit complicated. See bug 513888
+	local rubyimpl
+	local ruby_interpreter=""
+	local RUBY
+	for rubyimpl in ${USE_RUBY}; do
+		if has_version -b "virtual/rubygems[ruby_targets_${rubyimpl}(-)]"; then
+			RUBY="$(type -P ${rubyimpl})"
+			ruby_interpreter="-DRUBY_EXECUTABLE=${RUBY}"
+		fi
+	done
+	# This will rarely occur. Only a couple of corner cases could lead us to
+	# that failure. See bug 513888
+	[[ -z ${ruby_interpreter} ]] && die "No suitable ruby interpreter found"
+	# JavaScriptCore/Scripts/postprocess-asm invokes another Ruby script directly
+	# so it doesn't respect RUBY_EXECUTABLE, bug #771744.
+	sed -i -e "s:#!/usr/bin/env ruby:#!${RUBY}:" $(grep -rl "/usr/bin/env ruby" Source/JavaScriptCore || die) || die
+
+	# TODO: Check Web Audio support
+	# should somehow let user select between them?
+	local mycmakeargs=(
+		-DPython_EXECUTABLE="${PYTHON}"
+		${ruby_interpreter}
+		# If bubblewrap[suid] then portage makes it go-r and cmake find_program fails with that
+		-DBWRAP_EXECUTABLE:FILEPATH="${EPREFIX}"/usr/bin/bwrap
+		-DDBUS_PROXY_EXECUTABLE:FILEPATH="${EPREFIX}"/usr/bin/xdg-dbus-proxy
+		-DPORT=GTK
+		# Source/cmake/WebKitFeatures.cmake
+		-DENABLE_API_TESTS=OFF
+		-DENABLE_BUBBLEWRAP_SANDBOX=$(usex seccomp)
+		-DENABLE_DRAG_SUPPORT=ON
+		-DENABLE_GAMEPAD=$(usex gamepad)
+		-DENABLE_GEOLOCATION=ON # Runtime optional (talks over dbus service)
+		-DENABLE_MINIBROWSER=$(usex examples)
+		-DENABLE_PDFJS=$(usex pdf)
+		-DENABLE_SPEECH_SYNTHESIS=OFF
+		-DENABLE_SPELLCHECK=$(usex spell)
+		-DENABLE_TOUCH_EVENTS=ON
+		-DENABLE_UNIFIED_BUILDS=$(usex jumbo-build)
+		-DENABLE_VIDEO=$(usex gstreamer)
+		-DENABLE_WEB_AUDIO=$(usex gstreamer)
+		-DENABLE_WEB_CODECS=$(usex gstreamer) # https://bugs.webkit.org/show_bug.cgi?id=269147
+		-DENABLE_WEBDRIVER=ON
+		-DENABLE_WEBGL=ON
+		-DUSE_AVIF=$(usex avif)
+		-DUSE_GSTREAMER_WEBRTC=$(usex gstreamer)
+		-DUSE_GSTREAMER_TRANSCODER=$(usex gstreamer)
+		# Source/cmake/OptionsGTK.cmake
+		-DENABLE_DOCUMENTATION=OFF
+		-DENABLE_INTROSPECTION=$(usex introspection)
+		-DENABLE_JOURNALD_LOG=$(usex systemd)
+		-DENABLE_QUARTZ_TARGET=$(usex aqua)
+		-DENABLE_WAYLAND_TARGET=$(usex wayland)
+		-DENABLE_X11_TARGET=$(usex X)
+		-DUSE_GBM=ON
+		-DUSE_GTK4=ON # webkit2gtk-6.0
+		-DUSE_JPEGXL=$(usex jpegxl)
+		-DUSE_LCMS=$(usex lcms)
+		-DUSE_LIBBACKTRACE=OFF
+		-DUSE_LIBDRM=ON
+		-DUSE_LIBHYPHEN=ON
+		-DUSE_LIBSECRET=$(usex keyring)
+		-DUSE_SOUP2=OFF
+		-DUSE_SYSPROF_CAPTURE=OFF
+		-DUSE_WOFF2=ON
+	)
+
+	# Temporary workaround for bug 938162 (upstream bug 271371)
+	# in concert with our Debian patch. The idea to enable C_LOOP
+	# is also stolen from Debian's build.
+	use riscv && mycmakeargs+=(
+		-DENABLE_WEBASSEMBLY=OFF
+		-DENABLE_JIT=OFF
+		-DENABLE_C_LOOP=ON
+	)
+
+	# https://bugs.gentoo.org/761238
+	append-cppflags -DNDEBUG
+
+	WK_USE_CCACHE=NO cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	insinto /usr/share/gtk-doc/html
+	# This will install API docs specific to webkit2gtk-6.0
+	doins -r "${S}"/Documentation/{jsc-glib,webkitgtk,webkitgtk-web-process-extension}-6.0
+}
+
+pkg_postinst() {
+	optfeature "geolocation service (used at runtime if available)" "app-misc/geoclue"
+	optfeature "Common Multimedia codecs" "media-plugins/gst-plugins-meta"
+	optfeature "VAAPI encoding support" "media-libs/gst-plugins-bad[vaapi]"
+	optfeature "MPEG-DASH support" "media-plugins/gst-plugins-dash"
+	optfeature "HTTP live streaming (HLS) support" "media-plugins/gst-plugins-hls"
+}