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# Copyright 2021-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
# py3.12: uses imp and distutils among potentially more issues, refer to
# www-client/chromium for when adding/backporting support may be viable
PYTHON_COMPAT=( python3_{10..11} )
PYTHON_REQ_USE="xml(+)"
inherit check-reqs flag-o-matic multiprocessing optfeature
inherit prefix python-any-r1 qt6-build toolchain-funcs
DESCRIPTION="Library for rendering dynamic web content in Qt6 C++ and QML applications"
SRC_URI+="
https://dev.gentoo.org/~ionen/distfiles/${PN}-6.6-patchset-1.tar.xz
"
if [[ ${QT6_BUILD_TYPE} == release ]]; then
KEYWORDS="~amd64"
fi
IUSE="
+alsa bindist custom-cflags designer geolocation +jumbo-build
kerberos opengl pdfium pulseaudio qml screencast +system-icu
vaapi vulkan +widgets
"
REQUIRED_USE="
designer? ( qml widgets )
"
# dlopen: krb5, libva, pciutils, udev
RDEPEND="
app-arch/snappy:=
dev-libs/expat
dev-libs/libevent:=
dev-libs/libxml2[icu]
dev-libs/libxslt
dev-libs/nspr
dev-libs/nss
~dev-qt/qtbase-${PV}:6[gui,opengl=,vulkan?,widgets?]
~dev-qt/qtwebchannel-${PV}:6[qml?]
media-libs/fontconfig
media-libs/freetype
media-libs/harfbuzz:=
media-libs/lcms:2
media-libs/libjpeg-turbo:=
media-libs/libpng:=
media-libs/libwebp:=
media-libs/openjpeg:2=
media-libs/opus
media-libs/tiff:=
sys-apps/dbus
sys-apps/pciutils
sys-libs/zlib:=[minizip]
virtual/libudev
x11-libs/libX11
x11-libs/libXcomposite
x11-libs/libXdamage
x11-libs/libXext
x11-libs/libXfixes
x11-libs/libXrandr
x11-libs/libXtst
x11-libs/libxcb:=
x11-libs/libxkbcommon
x11-libs/libxkbfile
alsa? ( media-libs/alsa-lib )
designer? ( ~dev-qt/qttools-${PV}:6[designer] )
geolocation? ( ~dev-qt/qtpositioning-${PV}:6 )
kerberos? ( virtual/krb5 )
pulseaudio? ( media-libs/libpulse[glib] )
qml? ( ~dev-qt/qtdeclarative-${PV}:6 )
screencast? (
dev-libs/glib:2
media-libs/mesa[gbm(+)]
media-video/pipewire:=
x11-libs/libdrm
)
system-icu? ( dev-libs/icu:= )
vaapi? (
media-libs/libva:=[X]
media-libs/mesa[gbm(+)]
x11-libs/libdrm
)
!vaapi? ( media-libs/libvpx:= )
widgets? ( ~dev-qt/qtdeclarative-${PV}:6[widgets] )
"
DEPEND="
${RDEPEND}
media-libs/libglvnd
x11-base/xorg-proto
x11-libs/libxshmfence
screencast? ( media-libs/libepoxy[egl(+)] )
pdfium? ( net-print/cups )
test? (
widgets? ( app-text/poppler[cxx(+)] )
)
"
BDEPEND="
$(python_gen_any_dep 'dev-python/html5lib[${PYTHON_USEDEP}]')
dev-util/gperf
net-libs/nodejs[ssl]
sys-devel/bison
sys-devel/flex
"
PATCHES=( "${WORKDIR}"/patches/${PN} )
[[ ${PV} == 6.9999 ]] || # keep for 6.x.9999
PATCHES+=( "${WORKDIR}"/patches/chromium )
PATCHES+=(
# add extras as needed here, may merge in set if carries across versions
)
python_check_deps() {
python_has_version "dev-python/html5lib[${PYTHON_USEDEP}]"
}
qtwebengine_check-reqs() {
[[ ${MERGE_TYPE} == binary ]] && return
if is-flagq '-g?(gdb)?([1-9])'; then #307861
ewarn
ewarn "Used CFLAGS/CXXFLAGS seem to enable debug info (-g or -ggdb), which"
ewarn "is non-trivial with ${PN}. May experience extended compilation"
ewarn "times, increased disk/memory usage, and potentially linking issues"
ewarn "when using more expensive debug symbols (e.g. -ggdb3 rather than -g)."
ewarn
ewarn "If run into issues, please try disabling before reporting a bug."
ewarn
fi
local CHECKREQS_DISK_BUILD=7G
local CHECKREQS_DISK_USR=220M
if ! has distcc ${FEATURES}; then #830661
# assume ~2GB per job or 1.5GB if clang, possible with less
# depending on free memory and *FLAGS, but prefer being safe as
# users having OOM issues with qtwebengine been rather common
tc-is-clang && : 15 || : 20
local CHECKREQS_MEMORY=$(($(makeopts_jobs)*_/10))G
fi
check-reqs_${EBUILD_PHASE_FUNC} #570534
}
pkg_pretend() {
qtwebengine_check-reqs
}
pkg_setup() {
qtwebengine_check-reqs
python-any-r1_pkg_setup
}
src_prepare() {
qt6-build_src_prepare
# for www-plugins/chrome-binary-plugins (widevine) search paths on prefix
hprefixify -w /Gentoo/ src/core/content_client_qt.cpp
# store chromium versions, only used in postinst for a warning
local chromium
mapfile -t chromium < CHROMIUM_VERSION || die
[[ ${chromium[1]} =~ ^Based.*:[^0-9]+([0-9.]+$) ]] &&
QT6_CHROMIUM_VER=${BASH_REMATCH[1]} || die
[[ ${chromium[2]} =~ ^Patched.+:[^0-9]+([0-9.]+$) ]] &&
QT6_CHROMIUM_PATCHES_VER=${BASH_REMATCH[1]} || die
}
src_configure() {
local mycmakeargs=(
$(qt_feature pdfium qtpdf_build)
$(qt_feature qml qtpdf_quick_build)
$(qt_feature widgets qtpdf_widgets_build)
-DQT_FEATURE_qtwebengine_build=ON
$(qt_feature qml qtwebengine_quick_build)
$(qt_feature widgets qtwebengine_widgets_build)
$(cmake_use_find_package designer Qt6Designer)
$(qt_feature alsa webengine_system_alsa)
$(qt_feature !bindist webengine_proprietary_codecs)
$(qt_feature geolocation webengine_geolocation)
$(qt_feature jumbo-build webengine_jumbo_build)
$(qt_feature kerberos webengine_kerberos)
$(qt_feature pulseaudio webengine_system_pulseaudio)
$(qt_feature screencast webengine_webrtc_pipewire)
$(qt_feature system-icu webengine_system_icu)
$(qt_feature vaapi webengine_vaapi)
$(qt_feature vulkan webengine_vulkan)
-DQT_FEATURE_webengine_embedded_build=OFF
-DQT_FEATURE_webengine_extensions=ON
-DQT_FEATURE_webengine_ozone_x11=ON # needed, cannot do optional X yet
-DQT_FEATURE_webengine_pepper_plugins=ON
-DQT_FEATURE_webengine_printing_and_pdf=ON
-DQT_FEATURE_webengine_spellchecker=ON
-DQT_FEATURE_webengine_webchannel=ON
-DQT_FEATURE_webengine_webrtc=ON
# needs a modified ffmpeg to be usable, and even then it may not
# cooperate with new major ffmpeg versions (bug #831487)
-DQT_FEATURE_webengine_system_ffmpeg=OFF
# preemptively using bundled to avoid complications, may revisit
# (see discussions in https://github.com/gentoo/gentoo/pull/32281)
-DQT_FEATURE_webengine_system_re2=OFF
# bundled is currently required when using vaapi (forced regardless)
$(qt_feature !vaapi webengine_system_libvpx)
# not necessary to pass these (default), but in case detection fails
$(printf -- '-DQT_FEATURE_webengine_system_%s=ON ' \
freetype glib harfbuzz lcms2 libevent libjpeg \
libopenjpeg2 libpci libpng libtiff libwebp \
libxml minizip opus poppler snappy zlib)
# TODO: fixup gn cross, or package dev-qt/qtwebengine-gn with =ON
-DINSTALL_GN=OFF
)
local mygnargs=(
# prefer no dlopen where possible
link_pulseaudio=true
rtc_link_pipewire=true
)
use custom-cflags || strip-flags # fragile
export NINJA NINJAFLAGS=$(get_NINJAOPTS)
[[ ${NINJA_VERBOSE^^} == OFF ]] || NINJAFLAGS+=" -v"
local -x EXTRA_GN="${mygnargs[*]} ${EXTRA_GN}"
einfo "Extra Gn args: ${EXTRA_GN}"
qt6-build_src_configure
}
src_test() {
if [[ ${EUID} == 0 ]]; then
# almost every tests fail, so skip entirely
ewarn "Skipping tests due to running as root (chromium refuses this configuration)."
return
fi
local CMAKE_SKIP_TESTS=(
# fails with network sandbox
tst_loadsignals
tst_qquickwebengineview
tst_qwebengineview
# certs verfication seems flaky and gives expiration warnings
tst_qwebengineclientcertificatestore
)
# prevent using the system's qtwebengine
# (use glob to avoid unnecessary complications with arch dir)
local resources=( "${BUILD_DIR}/src/core/${CMAKE_BUILD_TYPE}/"* )
[[ -d ${resources[0]} ]] || die "invalid resources path: ${resources[0]}"
local -x QTWEBENGINEPROCESS_PATH=${BUILD_DIR}${QT6_LIBEXECDIR#"${QT6_PREFIX}"}/QtWebEngineProcess
local -x QTWEBENGINE_LOCALES_PATH=${resources[0]}/qtwebengine_locales
local -x QTWEBENGINE_RESOURCES_PATH=${resources[0]}
# random failures in several tests without -j1
qt6-build_src_test -j1
}
pkg_postinst() {
# plugin may also be found in $HOME if provided by chrome or firefox
use amd64 &&
optfeature "Widevine DRM support (protected media playback)" \
www-plugins/chrome-binary-plugins
elog
elog "This version of Qt WebEngine is based on Chromium version ${QT6_CHROMIUM_VER}, with"
elog "additional security fixes up to ${QT6_CHROMIUM_PATCHES_VER}. 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
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 "tl;dr your web browsing experience will be compromised."
}
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