dev-qt/qtwebengine: 5.15.3_p20220330 version bump, py3

Patched with security patches up to Chromium version:
98.0.4758.102 plus fixes for CVE-2022-0971, CVE-2022-1096

Patches sourced from ArchLinux:
- Enable build with >=python-3
- Fix build with >=ffmpeg-5
- Enable screencast support using pipewire-3

Snapshotted at:
Branch: 5.15
Commit: dcdf9656f794e1903163a5533d0a325eb3dce423

Submodule qtwebengine-chromium.git:
Branch: 87-based
Commit: d13d0924c4e18ecc4b79adf0fec142ee9a9eaa14

Bug: https://bugs.gentoo.org/835761
Closes: https://bugs.gentoo.org/831487
Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

5 files changed, 473 insertions, 8 deletions

diff --git a/dev-qt/qtwebengine/Manifest b/dev-qt/qtwebengine/Manifest
index eedc182c4dad..8dfa38137abb 100644
--- a/dev-qt/qtwebengine/Manifest
+++ b/dev-qt/qtwebengine/Manifest
@@ -2,3 +2,4 @@ DIST qtwebengine-5.15.2-r1-chromium87-ppc64le.tar.xz 28784 BLAKE2B aa101d14446f3
 DIST qtwebengine-5.15.2_p20211019-jumbo-build.patch.bz2 2930 BLAKE2B fca1d1406874d04eafb64bb4d8730512a6307ba44fb99d76f428ca1bd4a303758e0c3bd8f92a59f7bcf62e5b767c5a8ed239028bdb74ad7a8b62abf88d38c101 SHA512 61cbfbe4ff340b75ea8d356e031e932ac03fe65dd009999ff897ca4b0185d1d989490daf75ffeaaabb3e92c870c11c7ff8ad2cd6372f5363b3d774b8ecca6d89
 DIST qtwebengine-5.15.2_p20211216.tar.xz 318953468 BLAKE2B 65b1bc5be8d08d10b75fee20f78a9a783f878874907335818cddde500e80633e91a999e92fd3de69d004c3621a8337c9bef2c949e03e552cab1d89d901e0dae2 SHA512 f72db4b6dcbdaa171bf2997ab3a77325f9845ef1d72cd994e6152f0f92d350de348ff15b1cde1140ab98b7eb10d6e2d2a3ac6b7d773ab43de37144faad37c3f3
 DIST qtwebengine-5.15.3_p20220329.tar.xz 318910384 BLAKE2B df4e88628eed5fa2304eec986dd397cd5f51e42f9fdf2dca1bc6d84ad40be406d112701124c745d003b4c22a33d5a69b39b66747e7b9a970a7c91b46ef3943f7 SHA512 650d9056477479fc4630102d7270185c99cdf1ec855f3f407725dd74a737756b7180565a924594c1b75dcbb061d3642af2447610bf22acd9c4cb2c90c7cf842b
+DIST qtwebengine-5.15.3_p20220330.tar.xz 401852524 BLAKE2B 7ac18135a9c0f99085db332c1b324308cc5c5a350b978bb6944e93a203174390f31ce6addcc9b89ba40a305b6af68cc9b0516fd6d90f8ee12d0d24e60b11d0d1 SHA512 53e95548c1fb2fe37f2e63dff56306e6e34f2f1a5e8d811145600111d586528060d26c6ae9833f0a7ad4fee029d44a8275f8c5ac5d511b72fbd24fb0812f592b
diff --git a/dev-qt/qtwebengine/files/qtwebengine-5.15.3_p20220329-clang14.patch b/dev-qt/qtwebengine/files/qtwebengine-5.15.3_p20220329-clang14.patch
index ed48544fc36d..c1a98d0934fb 100644
--- a/dev-qt/qtwebengine/files/qtwebengine-5.15.3_p20220329-clang14.patch
+++ b/dev-qt/qtwebengine/files/qtwebengine-5.15.3_p20220329-clang14.patch
@@ -1,3 +1,29 @@
+From 0825e7bc64e47d87e1f1026cc80c933550f114f5 Mon Sep 17 00:00:00 2001
+From: Dimitry Andric <dim@FreeBSD.org>
+Date: Mon, 14 Feb 2022 13:55:25 +0100
+Subject: www/qt5-webengine: fix build with clang 14
+
+Fixes compile error:
+
+In file included from gen/third_party/blink/renderer/platform/platform_jumbo_63.cc:8:
+src/3rdparty/chromium/third_party/blink/renderer/platform/text/text_break_iterator_icu.cc:122:15: error: anonymous non-C-compatible type given name for linkage purposes by typedef declaration after its linkage was computed; add a tag name here to establish linkage prior to definition
+typedef struct {
+              ^
+               UTextWithBuffer
+src/3rdparty/chromium/third_party/blink/renderer/platform/text/text_break_iterator_icu.cc:123:3: note: type is not C-compatible due to this member declaration
+  DISALLOW_NEW();
+  ^~~~~~~~~~~~~~
+src/3rdparty/chromium/third_party/blink/renderer/platform/wtf/allocator/allocator.h:40:2: note: expanded from macro 'DISALLOW_NEW'
+ public:                                                                      \
+ ^~~~~~~
+src/3rdparty/chromium/third_party/blink/renderer/platform/text/text_break_iterator_icu.cc:126:3: note: type is given name 'UTextWithBuffer' for linkage purposes by this typedef declaration
+} UTextWithBuffer;
+  ^
+
+PR:		261949
+Approved by:	adridg (maintainer)
+MFH:		2022Q1
+
 --- a/src/3rdparty/chromium/third_party/blink/renderer/platform/text/text_break_iterator_icu.cc
 +++ b/src/3rdparty/chromium/third_party/blink/renderer/platform/text/text_break_iterator_icu.cc
 @@ -119,11 +119,11 @@ enum TextContext { kNoContext, kPriorContext, kPrimary
diff --git a/dev-qt/qtwebengine/files/qtwebengine-5.15.3_p20220330-ffmpeg5.patch b/dev-qt/qtwebengine/files/qtwebengine-5.15.3_p20220330-ffmpeg5.patch
new file mode 100644
index 000000000000..d85c1985883c
--- /dev/null
+++ b/dev-qt/qtwebengine/files/qtwebengine-5.15.3_p20220330-ffmpeg5.patch
@@ -0,0 +1,169 @@
+From 05f6ffbbce0a2aad01dc05d682cbe4a1ec44fad5 Mon Sep 17 00:00:00 2001
+From: Antonio Rojas <arojas@archlinux.org>
+Date: Tue, 25 Jan 2022 10:51:58 +0000
+Subject: [PATCH] Fix build with ffmpeg 5
+
+---
+ chromium/media/ffmpeg/ffmpeg_common.h                |  1 +
+ chromium/media/filters/audio_file_reader.cc          |  2 +-
+ chromium/media/filters/ffmpeg_audio_decoder.cc       |  2 +-
+ chromium/media/filters/ffmpeg_demuxer.cc             | 12 ++++++------
+ chromium/media/filters/ffmpeg_glue.cc                |  4 ----
+ chromium/media/filters/ffmpeg_video_decoder.cc       |  2 +-
+ chromium/media/filters/media_file_checker.cc         |  2 +-
+ .../video_coding/codecs/h264/h264_decoder_impl.cc    |  2 +-
+ 8 files changed, 12 insertions(+), 15 deletions(-)
+
+diff --git a/chromium/media/ffmpeg/ffmpeg_common.h b/chromium/media/ffmpeg/ffmpeg_common.h
+index 2734a485cbd..70b1877a43c 100644
+--- a/chromium/media/ffmpeg/ffmpeg_common.h
++++ b/chromium/media/ffmpeg/ffmpeg_common.h
+@@ -29,6 +29,7 @@ extern "C" {
+ #include <libavformat/avformat.h>
+ #include <libavformat/avio.h>
+ #include <libavutil/avutil.h>
++#include <libavutil/channel_layout.h>
+ #include <libavutil/imgutils.h>
+ #include <libavutil/log.h>
+ #include <libavutil/mastering_display_metadata.h>
+diff --git a/chromium/media/filters/audio_file_reader.cc b/chromium/media/filters/audio_file_reader.cc
+index cb81d920def..bd73908d0ca 100644
+--- a/chromium/media/filters/audio_file_reader.cc
++++ b/chromium/media/filters/audio_file_reader.cc
+@@ -85,7 +85,7 @@ bool AudioFileReader::OpenDemuxer() {
+ }
+ 
+ bool AudioFileReader::OpenDecoder() {
+-  AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id);
++  const AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id);
+   if (codec) {
+     // MP3 decodes to S16P which we don't support, tell it to use S16 instead.
+     if (codec_context_->sample_fmt == AV_SAMPLE_FMT_S16P)
+diff --git a/chromium/media/filters/ffmpeg_audio_decoder.cc b/chromium/media/filters/ffmpeg_audio_decoder.cc
+index 0d825ed791b..72fac6167ef 100644
+--- a/chromium/media/filters/ffmpeg_audio_decoder.cc
++++ b/chromium/media/filters/ffmpeg_audio_decoder.cc
+@@ -329,7 +329,7 @@ bool FFmpegAudioDecoder::ConfigureDecoder(const AudioDecoderConfig& config) {
+     }
+   }
+ 
+-  AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id);
++  const AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id);
+   if (!codec ||
+       avcodec_open2(codec_context_.get(), codec, &codec_options) < 0) {
+     DLOG(ERROR) << "Could not initialize audio decoder: "
+diff --git a/chromium/media/filters/ffmpeg_demuxer.cc b/chromium/media/filters/ffmpeg_demuxer.cc
+index d34db63f3ef..427565b00c1 100644
+--- a/chromium/media/filters/ffmpeg_demuxer.cc
++++ b/chromium/media/filters/ffmpeg_demuxer.cc
+@@ -98,12 +98,12 @@ static base::TimeDelta ExtractStartTime(AVStream* stream) {
+ 
+   // Next try to use the first DTS value, for codecs where we know PTS == DTS
+   // (excludes all H26x codecs). The start time must be returned in PTS.
+-  if (stream->first_dts != kNoFFmpegTimestamp &&
++  if (av_stream_get_first_dts(stream) != kNoFFmpegTimestamp &&
+       stream->codecpar->codec_id != AV_CODEC_ID_HEVC &&
+       stream->codecpar->codec_id != AV_CODEC_ID_H264 &&
+       stream->codecpar->codec_id != AV_CODEC_ID_MPEG4) {
+     const base::TimeDelta first_pts =
+-        ConvertFromTimeBase(stream->time_base, stream->first_dts);
++        ConvertFromTimeBase(stream->time_base, av_stream_get_first_dts(stream));
+     if (first_pts < start_time)
+       start_time = first_pts;
+   }
+@@ -408,11 +408,11 @@ void FFmpegDemuxerStream::EnqueuePacket(ScopedAVPacket packet) {
+   scoped_refptr<DecoderBuffer> buffer;
+ 
+   if (type() == DemuxerStream::TEXT) {
+-    int id_size = 0;
++    size_t id_size = 0;
+     uint8_t* id_data = av_packet_get_side_data(
+         packet.get(), AV_PKT_DATA_WEBVTT_IDENTIFIER, &id_size);
+ 
+-    int settings_size = 0;
++    size_t settings_size = 0;
+     uint8_t* settings_data = av_packet_get_side_data(
+         packet.get(), AV_PKT_DATA_WEBVTT_SETTINGS, &settings_size);
+ 
+@@ -424,7 +424,7 @@ void FFmpegDemuxerStream::EnqueuePacket(ScopedAVPacket packet) {
+     buffer = DecoderBuffer::CopyFrom(packet->data, packet->size,
+                                      side_data.data(), side_data.size());
+   } else {
+-    int side_data_size = 0;
++    size_t side_data_size = 0;
+     uint8_t* side_data = av_packet_get_side_data(
+         packet.get(), AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL, &side_data_size);
+ 
+@@ -485,7 +485,7 @@ void FFmpegDemuxerStream::EnqueuePacket(ScopedAVPacket packet) {
+                                        packet->size - data_offset);
+     }
+ 
+-    int skip_samples_size = 0;
++    size_t skip_samples_size = 0;
+     const uint32_t* skip_samples_ptr =
+         reinterpret_cast<const uint32_t*>(av_packet_get_side_data(
+             packet.get(), AV_PKT_DATA_SKIP_SAMPLES, &skip_samples_size));
+diff --git a/chromium/media/filters/ffmpeg_glue.cc b/chromium/media/filters/ffmpeg_glue.cc
+index 0ef3521473d..8483ecc348f 100644
+--- a/chromium/media/filters/ffmpeg_glue.cc
++++ b/chromium/media/filters/ffmpeg_glue.cc
+@@ -59,7 +59,6 @@ static int64_t AVIOSeekOperation(void* opaque, int64_t offset, int whence) {
+ }
+ 
+ void FFmpegGlue::InitializeFFmpeg() {
+-  av_register_all();
+ }
+ 
+ static void LogContainer(bool is_local_file,
+@@ -95,9 +94,6 @@ FFmpegGlue::FFmpegGlue(FFmpegURLProtocol* protocol) {
+   // Enable fast, but inaccurate seeks for MP3.
+   format_context_->flags |= AVFMT_FLAG_FAST_SEEK;
+ 
+-  // Ensures we can read out various metadata bits like vp8 alpha.
+-  format_context_->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
+-
+   // Ensures format parsing errors will bail out. From an audit on 11/2017, all
+   // instances were real failures. Solves bugs like http://crbug.com/710791.
+   format_context_->error_recognition |= AV_EF_EXPLODE;
+diff --git a/chromium/media/filters/ffmpeg_video_decoder.cc b/chromium/media/filters/ffmpeg_video_decoder.cc
+index ef12477ee89..7996606f5f9 100644
+--- a/chromium/media/filters/ffmpeg_video_decoder.cc
++++ b/chromium/media/filters/ffmpeg_video_decoder.cc
+@@ -391,7 +391,7 @@ bool FFmpegVideoDecoder::ConfigureDecoder(const VideoDecoderConfig& config,
+   if (decode_nalus_)
+     codec_context_->flags2 |= AV_CODEC_FLAG2_CHUNKS;
+ 
+-  AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id);
++  const AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id);
+   if (!codec || avcodec_open2(codec_context_.get(), codec, NULL) < 0) {
+     ReleaseFFmpegResources();
+     return false;
+diff --git a/chromium/media/filters/media_file_checker.cc b/chromium/media/filters/media_file_checker.cc
+index 59c2a2fc618..1a9872c7acb 100644
+--- a/chromium/media/filters/media_file_checker.cc
++++ b/chromium/media/filters/media_file_checker.cc
+@@ -68,7 +68,7 @@ bool MediaFileChecker::Start(base::TimeDelta check_time) {
+       auto context = AVStreamToAVCodecContext(format_context->streams[i]);
+       if (!context)
+         continue;
+-      AVCodec* codec = avcodec_find_decoder(cp->codec_id);
++      const AVCodec* codec = avcodec_find_decoder(cp->codec_id);
+       if (codec && avcodec_open2(context.get(), codec, nullptr) >= 0) {
+         auto loop = std::make_unique<FFmpegDecodingLoop>(context.get());
+         stream_contexts[i] = {std::move(context), std::move(loop)};
+diff --git a/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc b/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc
+index 9002b874611..d12fade8b63 100644
+--- a/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc
++++ b/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc
+@@ -203,7 +203,7 @@ int32_t H264DecoderImpl::InitDecode(const VideoCodec* codec_settings,
+   // a pointer |this|.
+   av_context_->opaque = this;
+ 
+-  AVCodec* codec = avcodec_find_decoder(av_context_->codec_id);
++  const AVCodec* codec = avcodec_find_decoder(av_context_->codec_id);
+   if (!codec) {
+     // This is an indication that FFmpeg has not been initialized or it has not
+     // been compiled/initialized with the correct set of codecs.
+-- 
+2.35.1
+
diff --git a/dev-qt/qtwebengine/metadata.xml b/dev-qt/qtwebengine/metadata.xml
index fe0b26ec2aa3..cbcf0f7a01d7 100644
--- a/dev-qt/qtwebengine/metadata.xml
+++ b/dev-qt/qtwebengine/metadata.xml
@@ -11,15 +11,12 @@
 		<name>Georgy Yakovlev</name>
 	</maintainer>
 	<use>
-		<flag name="designer">Install the QWebEngineView plugin used to add widgets in
-			<pkg>dev-qt/designer</pkg> forms that display web pages.</flag>
-		<flag name="geolocation">Enable physical position determination
-			via <pkg>dev-qt/qtpositioning</pkg></flag>
+		<flag name="designer">Install the QWebEngineView plugin used to add widgets in <pkg>dev-qt/designer</pkg> forms that display web pages.</flag>
+		<flag name="geolocation">Enable physical position determination via <pkg>dev-qt/qtpositioning</pkg></flag>
 		<flag name="jumbo-build">Combine source files to speed up build process.</flag>
-		<flag name="system-ffmpeg">Use the system-wide <pkg>media-video/ffmpeg</pkg>
-			instead of bundled.</flag>
-		<flag name="system-icu">Use the system-wide <pkg>dev-libs/icu</pkg>
-			instead of bundled.</flag>
+		<flag name="screencast">Enable support for remote desktop and screen cast using <pkg>media-video/pipewire</pkg></flag>
+		<flag name="system-ffmpeg">Use the system-wide <pkg>media-video/ffmpeg</pkg> instead of bundled.</flag>
+		<flag name="system-icu">Use the system-wide <pkg>dev-libs/icu</pkg> instead of bundled.</flag>
 		<flag name="widgets">Enable QtWidgets support</flag>
 	</use>
 	<upstream>
diff --git a/dev-qt/qtwebengine/qtwebengine-5.15.3_p20220330.ebuild b/dev-qt/qtwebengine/qtwebengine-5.15.3_p20220330.ebuild
new file mode 100644
index 000000000000..cf465387eacb
--- /dev/null
+++ b/dev-qt/qtwebengine/qtwebengine-5.15.3_p20220330.ebuild
@@ -0,0 +1,272 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9,10} )
+PYTHON_REQ_USE="xml(+)"
+inherit check-reqs estack flag-o-matic multiprocessing python-any-r1 qt5-build toolchain-funcs
+
+DESCRIPTION="Library for rendering dynamic web content in Qt5 C++ and QML applications"
+HOMEPAGE="https://www.qt.io/"
+
+if [[ ${QT5_BUILD_TYPE} == release ]]; then
+	KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86"
+	if [[ ${PV} == ${QT5_PV}_p* ]]; then
+		SRC_URI="https://dev.gentoo.org/~asturm/distfiles/${P}.tar.xz"
+		S="${WORKDIR}/${P}"
+		QT5_BUILD_DIR="${S}_build"
+	fi
+else
+	EGIT_BRANCH="5.15"
+	EGIT_REPO_URI=(
+		"https://code.qt.io/qt/${QT5_MODULE}.git"
+		"https://github.com/qt/${QT5_MODULE}.git"
+	)
+	inherit git-r3
+fi
+
+# ppc64 patchset based on https://github.com/chromium-ppc64le releases
+SRC_URI+=" https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${PN}-5.15.2_p20211019-jumbo-build.patch.bz2
+	ppc64? ( https://dev.gentoo.org/~gyakovlev/distfiles/${PN}-5.15.2-r1-chromium87-ppc64le.tar.xz )"
+
+IUSE="alsa bindist designer geolocation +jumbo-build kerberos pulseaudio screencast +system-ffmpeg +system-icu widgets"
+REQUIRED_USE="designer? ( widgets )"
+
+RDEPEND="
+	app-arch/snappy:=
+	dev-libs/glib:2
+	dev-libs/nspr
+	dev-libs/nss
+	dev-libs/expat
+	dev-libs/libevent:=
+	dev-libs/libxml2[icu]
+	dev-libs/libxslt
+	dev-libs/re2:=
+	=dev-qt/qtcore-${QT5_PV}*
+	=dev-qt/qtdeclarative-${QT5_PV}*
+	=dev-qt/qtgui-${QT5_PV}*
+	=dev-qt/qtnetwork-${QT5_PV}*
+	=dev-qt/qtprintsupport-${QT5_PV}*
+	=dev-qt/qtwebchannel-${QT5_PV}*[qml]
+	media-libs/fontconfig
+	media-libs/freetype
+	media-libs/harfbuzz:=
+	media-libs/lcms:2
+	media-libs/libjpeg-turbo:=
+	media-libs/libpng:0=
+	>=media-libs/libvpx-1.5:=[svc(+)]
+	media-libs/libwebp:=
+	media-libs/opus
+	sys-apps/dbus
+	sys-apps/pciutils
+	sys-libs/zlib[minizip]
+	virtual/libudev
+	x11-libs/libdrm
+	x11-libs/libX11
+	x11-libs/libXcomposite
+	x11-libs/libXcursor
+	x11-libs/libXdamage
+	x11-libs/libXext
+	x11-libs/libXfixes
+	x11-libs/libXi
+	x11-libs/libxkbfile
+	x11-libs/libXrandr
+	x11-libs/libXrender
+	x11-libs/libXScrnSaver
+	x11-libs/libXtst
+	alsa? ( media-libs/alsa-lib )
+	designer? ( =dev-qt/designer-${QT5_PV}* )
+	geolocation? ( =dev-qt/qtpositioning-${QT5_PV}* )
+	kerberos? ( virtual/krb5 )
+	pulseaudio? ( media-sound/pulseaudio:= )
+	screencast? ( media-video/pipewire:= )
+	system-ffmpeg? ( media-video/ffmpeg:0= )
+	system-icu? ( >=dev-libs/icu-69.1:= )
+	widgets? (
+		=dev-qt/qtdeclarative-${QT5_PV}*[widgets]
+		=dev-qt/qtwidgets-${QT5_PV}*
+	)
+"
+DEPEND="${RDEPEND}
+	media-libs/libglvnd
+"
+BDEPEND="${PYTHON_DEPS}
+	dev-util/gperf
+	dev-util/ninja
+	dev-util/re2c
+	net-libs/nodejs[ssl]
+	sys-devel/bison
+	sys-devel/flex
+	ppc64? ( >=dev-util/gn-0.1807 )
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-5.15.2-disable-fatal-warnings.patch" # downstream, bug 695446
+	"${FILESDIR}/${PN}-5.15.2-extra_gn.patch" # downstream, bug 774186
+	"${FILESDIR}/${PN}-5.15.2_p20210224-chromium-87-v8-icu68.patch" # downstream, bug 757606
+	"${FILESDIR}/${PN}-5.15.2_p20210224-disable-git.patch" # downstream snapshot fix
+	"${FILESDIR}/${PN}-5.15.2_p20211015-pdfium-system-lcms2.patch" # by Debian, QTBUG-61746
+	"${FILESDIR}/${PN}-5.15.3_p20220329-clang14.patch" # by FreeBSD, bug 836604
+	"${WORKDIR}/${PN}-5.15.2_p20211019-jumbo-build.patch" # bug 813957
+)
+
+qtwebengine_check-reqs() {
+	# bug #307861
+	eshopts_push -s extglob
+	if is-flagq '-g?(gdb)?([1-9])'; then
+		ewarn "You have enabled debug info (probably have -g or -ggdb in your CFLAGS/CXXFLAGS)."
+		ewarn "You may experience really long compilation times and/or increased memory usage."
+		ewarn "If compilation fails, please try removing -g/-ggdb before reporting a bug."
+	fi
+	eshopts_pop
+
+	[[ ${MERGE_TYPE} == binary ]] && return
+
+	# (check-reqs added for bug #570534)
+	#
+	# Estimate the amount of RAM required
+	# Multiplier is *10 because Bash doesn't do floating point maths.
+	# Let's crudely assume ~2GB per compiler job for GCC.
+	local multiplier=20
+
+	# And call it ~1.5GB for Clang.
+	if tc-is-clang ; then
+		multiplier=15
+	fi
+
+	local CHECKREQS_DISK_BUILD="7G"
+	local CHECKREQS_DISK_USR="150M"
+	if ! has "distcc" ${FEATURES} ; then
+		# bug #830661
+		# Not super realistic to come up with good estimates for distcc right now
+		local CHECKREQS_MEMORY=$(($(makeopts_jobs)*multiplier/10))G
+	fi
+
+	check-reqs_${EBUILD_PHASE_FUNC}
+}
+
+pkg_pretend() {
+	qtwebengine_check-reqs
+}
+
+pkg_setup() {
+	qtwebengine_check-reqs
+	python-any-r1_pkg_setup
+}
+
+src_unpack() {
+	case ${QT5_BUILD_TYPE} in
+		live)    git-r3_src_unpack ;&
+		release) default ;;
+	esac
+}
+
+src_prepare() {
+	if [[ ${PV} == ${QT5_PV}_p* ]]; then
+		# This is made from git, and for some reason will fail w/o .git directories.
+		mkdir -p .git src/3rdparty/chromium/.git || die
+	fi
+	# We need to make sure this integrates well into Qt 5.15.2 installation.
+	# Otherwise revdeps fail w/o heavy changes. This is the simplest way to do it.
+	# See also: https://www.qt.io/blog/building-qt-webengine-against-other-qt-versions
+	sed -e "/^MODULE_VERSION/s/5\.15\.[3456789]/${QT5_PV}/" -i .qmake.conf || die
+
+	# QTBUG-88657 - jumbo-build could still make trouble
+	if ! use jumbo-build; then
+		sed -i -e 's|use_jumbo_build=true|use_jumbo_build=false|' \
+			src/buildtools/config/common.pri || die
+	fi
+
+	# bug 620444 - ensure local headers are used
+	find "${S}" -type f -name "*.pr[fio]" | \
+		xargs sed -i -e 's|INCLUDEPATH += |&$${QTWEBENGINE_ROOT}_build/include $${QTWEBENGINE_ROOT}/include |' || die
+
+	if use system-icu; then
+		# Sanity check to ensure that bundled copy of ICU is not used.
+		# Whole src/3rdparty/chromium/third_party/icu directory cannot be deleted because
+		# src/3rdparty/chromium/third_party/icu/BUILD.gn is used by build system.
+		# If usage of headers of bundled copy of ICU occurs, then lists of shim headers in
+		# shim_headers("icui18n_shim") and shim_headers("icuuc_shim") in
+		# src/3rdparty/chromium/third_party/icu/BUILD.gn should be updated.
+		local file
+		while read file; do
+			echo "#error This file should not be used!" > "${file}" || die
+		done < <(find src/3rdparty/chromium/third_party/icu -type f "(" -name "*.c" -o -name "*.cpp" -o -name "*.h" ")" 2>/dev/null)
+	fi
+
+	# src/3rdparty/gn fails with libc++ due to passing of `-static-libstdc++`
+	if tc-is-clang && has_version 'sys-devel/clang[default-libcxx]'; then
+		eapply "${FILESDIR}/${PN}-5.15.2_p20210521-clang-libc++.patch"
+	fi
+
+	if use system-ffmpeg && has_version '>=media-video/ffmpeg-5'; then
+		eapply "${FILESDIR}/${PN}-5.15.3_p20220330-ffmpeg5.patch" # by Archlinux, bug 831437
+	fi
+
+	qt_use_disable_config alsa webengine-alsa src/buildtools/config/linux.pri
+	qt_use_disable_config pulseaudio webengine-pulseaudio src/buildtools/config/linux.pri
+
+	qt_use_disable_mod designer webenginewidgets src/plugins/plugins.pro
+
+	qt_use_disable_mod widgets widgets src/src.pro
+
+	qt5-build_src_prepare
+
+	# we need to generate ppc64 stuff because upstream does not ship it yet
+	if use ppc64; then
+		einfo "Patching for ppc64le and generating build files"
+		eapply "${FILESDIR}/qtwebengine-5.15.2-enable-ppc64.patch"
+		pushd src/3rdparty/chromium > /dev/null || die
+		eapply -p0 "${WORKDIR}/${PN}-ppc64le"
+		popd > /dev/null || die
+		pushd src/3rdparty/chromium/third_party/libvpx > /dev/null || die
+		mkdir -vp source/config/linux/ppc64 || die
+		mkdir -p source/libvpx/test || die
+		touch source/libvpx/test/test.mk || die
+		./generate_gni.sh || die
+		popd >/dev/null || die
+	fi
+}
+
+src_configure() {
+	export NINJA_PATH=/usr/bin/ninja
+	export NINJAFLAGS="${NINJAFLAGS:--j$(makeopts_jobs) -l$(makeopts_loadavg "${MAKEOPTS}" 0) -v}"
+
+	local myqmakeargs=(
+		--
+		-no-build-qtpdf
+		-printing-and-pdf
+		-system-opus
+		-system-webp
+		$(qt_use alsa)
+		$(qt_use !bindist proprietary-codecs)
+		$(qt_use geolocation webengine-geolocation)
+		$(qt_use kerberos webengine-kerberos)
+		$(qt_use pulseaudio)
+		$(usex system-ffmpeg -system-ffmpeg -qt-ffmpeg)
+		$(qt_use system-icu webengine-icu)
+		$(usex screencast -webengine-webrtc-pipewire '')
+	)
+	qt5-build_src_configure
+}
+
+src_install() {
+	qt5-build_src_install
+
+	# bug 601472
+	if [[ ! -f ${D}${QT5_LIBDIR}/libQt5WebEngine.so ]]; then
+		die "${CATEGORY}/${PF} failed to build anything. Please report to https://bugs.gentoo.org/"
+	fi
+}
+
+pkg_preinst() {
+	elog "This version of Qt WebEngine is based on Chromium version 87.0.4280, with"
+	elog "additional security fixes from newer versions. Extensive as it is, the"
+	elog "list of backports is impossible to evaluate, but always bound to be behind"
+	elog "Chromium's release schedule."
+	elog "In addition, various online services may deny service based on an outdated"
+	elog "user agent version (and/or other checks). Google is already known to do so."
+	elog
+	elog "tldr: Your web browsing experience will be compromised."
+}