commit: c65f1fb18943313a621d8cce43d0a68ebf65d2f4 Author: Stephan Hartmann <sultan <AT> gentoo <DOT> org> AuthorDate: Sun Jan 30 08:36:59 2022 +0000 Commit: Stephan Hartmann <sultan <AT> gentoo <DOT> org> CommitDate: Sun Jan 30 08:37:35 2022 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=c65f1fb1
www-client/chromium: dev channel bump to 99.0.4844.11 - improve headless builds - fix cross compiling - remove CHROMIUM_FORCE_LIBCXX and add USE=libcxx instead - allow building with GTK4 Bug: https://bugs.gentoo.org/786597 Bug: https://bugs.gentoo.org/828442 Package-Manager: Portage-3.0.28, Repoman-3.0.3 Signed-off-by: Stephan Hartmann <sultan <AT> gentoo.org> www-client/chromium/Manifest | 4 +- ....4840.0.ebuild => chromium-99.0.4844.11.ebuild} | 242 +++++++++++++-------- .../chromium/files/chromium-cross-compile.patch | 12 + www-client/chromium/metadata.xml | 2 + 4 files changed, 162 insertions(+), 98 deletions(-) diff --git a/www-client/chromium/Manifest b/www-client/chromium/Manifest index 1a157501d7c6..3bcb68c6ac93 100644 --- a/www-client/chromium/Manifest +++ b/www-client/chromium/Manifest @@ -2,5 +2,5 @@ DIST chromium-97-patchset-4.tar.xz 4240 BLAKE2B 450d013b6fd68f7e0bcb21a2b0828d53 DIST chromium-97.0.4692.99.tar.xz 1213731872 BLAKE2B e7fdf30f562fe6d50615b8213e762825d3b346c9c87e3512c957cc68dc75bf31b551b262f72801a3b0b51f2ff5ee31939dc7d4b2c2f005a4aaaec1c37983909d SHA512 928684286b5bbc15b0e60bdf3b1eb5d644f31d13baa0b55c652b9e302f48776fac367af99d89b85ff8258455551846f7efb4f11772b182aa743c6beff844e7d5 DIST chromium-98-patchset-5.tar.xz 4928 BLAKE2B f96fb34d5cb3c3ac2c6e327805322e5d6047b0b190a043795de1063c934ca6400800aafaaa4eea7ebad571298b96bf67e48ee0d2d1eb3e0bf23b14932734e026 SHA512 fae1010b91af7e6aa981ea22fc15c32a510b3e78ab71fec73b65290d963dfe6c42e5a2965446803519356858b60cd587018b1b2aea36e112e4d315efbdad7d8f DIST chromium-98.0.4758.74.tar.xz 1242612520 BLAKE2B ed4beb62e04254508d2d8ebd35c69308f403954bd082cd8dce0f23c5f36df155193c96d3204d8cf9a4d8767ca5a692a32a199d30ada6363865b000f86650332f SHA512 dd9ba829d4d8e28299f84eeaffa8f94d30cdc3daa7709938886a31e67fcb6a458bfcb68be69b31a92872e028b76a88421a1a1e02cd44c7d78ed7e4fc4da18e45 -DIST chromium-99-patchset-2.tar.xz 4264 BLAKE2B 3c81029085931df7db5724845a9a1ef17fd19e1964cdb53f78cf0b8c3765ff81f97ccea344e4db853f780c14e18b6bf1839f0ef142906042385bfcde01364ab8 SHA512 14eef917ecab7668072834aac277d2faf32e9c2ca85268a7591b94ff69e9df331c0114da1ebcb92a332f8ad066eeaebd841a937e80198baf4649065b677cc2c3 -DIST chromium-99.0.4840.0.tar.xz 1315491932 BLAKE2B 7c01c962e604c8147d446cf0e9fd86538b7112d93a535ffdfd2a938462f0e9edf51c12bf01b068ff0d64776726bbfb04991fbfa0dcfedd428e7ee79610534559 SHA512 79f9b2e8f7e56ae0bcc49d1f5b7dc306d167dfc6b2652874b6f4fc795d63c6f4dc3bb74545ba586e57ba5e0a5f350eaf8ac1202953d9ed2f94b71198f494c907 +DIST chromium-99-patchset-3.tar.xz 3912 BLAKE2B 79030156e81ebd6b3c348fb429e23d0c866059e047e7cdc0f656a1b1ee290f3afa8b358d0e1df18a86616a35a9a256e7432a5ab4e9b952c7a360aed871236659 SHA512 63d951cb3d17c1d02d9ddbee3a44aca000c5ba2f908012584944ce7fc435aebfe39b9628d4bd043df97c4dd7afa0ad614c65368ca759b64a84654126f06f9ea8 +DIST chromium-99.0.4844.11.tar.xz 1315744804 BLAKE2B f91dfdca603d789dbc34eeb563868f7ae20a2946b2978db7455b3b9f332fd2a8a59f3aa408dd99f77b13074b47a9992fc2aea029116b3363156f76e306efdb69 SHA512 eb353fe470abffb8f99a4aa8b86991b43678786f8b0c456c676ebe000653ba938384cc135438f5bee9f39e236908b1acef6e12fa2b13880b69177b0f271fdec4 diff --git a/www-client/chromium/chromium-99.0.4840.0.ebuild b/www-client/chromium/chromium-99.0.4844.11.ebuild similarity index 85% rename from www-client/chromium/chromium-99.0.4840.0.ebuild rename to www-client/chromium/chromium-99.0.4844.11.ebuild index 539cfcc65eb4..ce883356d49c 100644 --- a/www-client/chromium/chromium-99.0.4840.0.ebuild +++ b/www-client/chromium/chromium-99.0.4844.11.ebuild @@ -13,7 +13,7 @@ inherit check-reqs chromium-2 desktop flag-o-matic ninja-utils pax-utils python- DESCRIPTION="Open-source version of Google Chrome web browser" HOMEPAGE="https://chromium.org/"; -PATCHSET="2" +PATCHSET="3" PATCHSET_NAME="chromium-$(ver_cut 1)-patchset-${PATCHSET}" SRC_URI="https://commondatastorage.googleapis.com/chromium-browser-official/${P}.tar.xz https://github.com/stha09/chromium-patches/releases/download/${PATCHSET_NAME}/${PATCHSET_NAME}.tar.xz"; @@ -21,44 +21,64 @@ SRC_URI="https://commondatastorage.googleapis.com/chromium-browser-official/${P} LICENSE="BSD" SLOT="0/dev" KEYWORDS="~amd64 ~arm64 ~x86" -IUSE="component-build cups cpu_flags_arm_neon debug +hangouts headless +js-type-check kerberos +official pic +proprietary-codecs pulseaudio screencast selinux +suid +system-ffmpeg +system-harfbuzz +system-icu +system-png vaapi wayland widevine" +IUSE="component-build cups cpu_flags_arm_neon debug gtk4 +hangouts headless +js-type-check kerberos libcxx +official pic +proprietary-codecs pulseaudio screencast selinux +suid +system-ffmpeg +system-harfbuzz +system-icu +system-png vaapi wayland widevine" REQUIRED_USE=" - component-build? ( !suid ) + component-build? ( !suid !libcxx ) screencast? ( wayland ) " COMMON_X_DEPEND=" - media-libs/mesa:=[gbm(+)] - x11-libs/libX11:= + x11-libs/gdk-pixbuf:2 x11-libs/libXcomposite:= x11-libs/libXcursor:= x11-libs/libXdamage:= - x11-libs/libXext:= x11-libs/libXfixes:= >=x11-libs/libXi-1.6.0:= x11-libs/libXrandr:= x11-libs/libXrender:= x11-libs/libXtst:= - x11-libs/libxcb:= x11-libs/libxshmfence:= - vaapi? ( >=x11-libs/libva-2.7:=[X,drm] ) + virtual/opengl " -COMMON_DEPEND=" - app-arch/bzip2:= - cups? ( >=net-print/cups-1.3.11:= ) - dev-libs/expat:= - dev-libs/glib:2 +COMMON_SNAPSHOT_DEPEND=" + system-icu? ( >=dev-libs/icu-69.1:= ) >=dev-libs/libxml2-2.9.4-r3:=[icu] dev-libs/nspr:= >=dev-libs/nss-3.26:= - >=media-libs/alsa-lib-1.0.19:= + !libcxx? ( >=dev-libs/re2-0.2019.08.01:= ) + dev-libs/libxslt:= media-libs/fontconfig:= >=media-libs/freetype-2.11.0-r1:= system-harfbuzz? ( >=media-libs/harfbuzz-3:0=[icu(-)] ) media-libs/libjpeg-turbo:= system-png? ( media-libs/libpng:=[-apng] ) - pulseaudio? ( media-sound/pulseaudio:= ) + >=media-libs/libwebp-0.4.0:= + media-libs/mesa:=[gbm(+)] + >=media-libs/openh264-1.6.0:= + sys-libs/zlib:= + x11-libs/libdrm:= + !headless? ( + dev-libs/glib:2 + >=media-libs/alsa-lib-1.0.19:= + pulseaudio? ( media-sound/pulseaudio:= ) + kerberos? ( virtual/krb5 ) + vaapi? ( >=x11-libs/libva-2.7:=[X,drm] ) + x11-libs/libX11:= + x11-libs/libXext:= + x11-libs/libxcb:= + x11-libs/libxkbcommon:= + wayland? ( + dev-libs/wayland:= + screencast? ( media-video/pipewire:= ) + ) + ) +" + +COMMON_DEPEND=" + ${COMMON_SNAPSHOT_DEPEND} + app-arch/bzip2:= + dev-libs/expat:= system-ffmpeg? ( >=media-video/ffmpeg-4.3:= || ( @@ -69,45 +89,46 @@ COMMON_DEPEND=" ) net-misc/curl[ssl] sys-apps/dbus:= - sys-apps/pciutils:= - virtual/udev - x11-libs/cairo:= - x11-libs/gdk-pixbuf:2 - x11-libs/libxkbcommon:= - x11-libs/pango:= media-libs/flac:= - >=media-libs/libwebp-0.4.0:= sys-libs/zlib:=[minizip] - kerberos? ( virtual/krb5 ) !headless? ( ${COMMON_X_DEPEND} >=app-accessibility/at-spi2-atk-2.26:2 >=app-accessibility/at-spi2-core-2.26:2 >=dev-libs/atk-2.26 - x11-libs/gtk+:3[X] - wayland? ( - dev-libs/wayland:= - screencast? ( media-video/pipewire:= ) - x11-libs/gtk+:3[wayland,X] - x11-libs/libdrm:= - ) + cups? ( >=net-print/cups-1.3.11:= ) + sys-apps/pciutils:= + virtual/udev + x11-libs/cairo:= + x11-libs/pango:= ) " RDEPEND="${COMMON_DEPEND} + !headless? ( + || ( + x11-libs/gtk+:3[X,wayland?] + gui-libs/gtk:4[X,wayland?] + ) + ) x11-misc/xdg-utils - virtual/opengl virtual/ttf-fonts selinux? ( sec-policy/selinux-chromium ) " DEPEND="${COMMON_DEPEND} + !headless? ( + gtk4? ( gui-libs/gtk:4[X,wayland?] ) + !gtk4? ( x11-libs/gtk+:3[X,wayland?] ) + ) " # dev-vcs/git - https://bugs.gentoo.org/593476 BDEPEND=" + ${COMMON_SNAPSHOT_DEPEND} ${PYTHON_DEPS} $(python_gen_any_dep ' dev-python/setuptools[${PYTHON_USEDEP}] ') >=app-arch/gzip-1.7 + libcxx? ( >=sys-devel/clang-12 ) dev-lang/perl >=dev-util/gn-0.1807 dev-vcs/git @@ -122,26 +143,11 @@ BDEPEND=" # These are intended for ebuild maintainer use to force clang if GCC is broken. : ${CHROMIUM_FORCE_CLANG=no} -: ${CHROMIUM_FORCE_LIBCXX=no} if [[ ${CHROMIUM_FORCE_CLANG} == yes ]]; then BDEPEND+=" >=sys-devel/clang-12" fi -if [[ ${CHROMIUM_FORCE_LIBCXX} == yes ]]; then - RDEPEND+=" >=sys-libs/libcxx-12" - DEPEND+=" >=sys-libs/libcxx-12" -else - COMMON_DEPEND=" - dev-libs/libxslt:= - >=dev-libs/re2-0.2019.08.01:= - >=media-libs/openh264-1.6.0:= - system-icu? ( >=dev-libs/icu-69.1:= ) - " - RDEPEND+="${COMMON_DEPEND}" - DEPEND+="${COMMON_DEPEND}" -fi - if ! has chromium_pkg_die ${EBUILD_DEATH_HOOKS}; then EBUILD_DEATH_HOOKS+=" chromium_pkg_die"; fi @@ -185,8 +191,9 @@ pre_build_checks() { if tc-is-gcc && ! ver_test "$(gcc-version)" -ge 9.2; then die "At least gcc 9.2 is required" fi - if [[ ${CHROMIUM_FORCE_CLANG} == yes ]] || tc-is-clang; then - CPP="${CHOST}-clang++ -E" + if [[ ${CHROMIUM_FORCE_CLANG} == yes ]] || tc-is-clang || use libcxx; then + tc-is-cross-compiler && CPP=${CBUILD}-clang++ || CPP=${CHOST}-clang++ + CPP+=" -E" if ! ver_test "$(clang-major-version)" -ge 12; then die "At least clang 12 is required" fi @@ -196,6 +203,7 @@ pre_build_checks() { # Check build requirements, bug #541816 and bug #471810 . CHECKREQS_MEMORY="4G" CHECKREQS_DISK_BUILD="9G" + tc-is-cross-compiler && CHECKREQS_DISK_BUILD="12G" if ( shopt -s extglob; is-flagq '-g?(gdb)?([1-9])' ); then if use custom-cflags || use component-build; then CHECKREQS_DISK_BUILD="25G" @@ -209,6 +217,13 @@ pre_build_checks() { pkg_pretend() { pre_build_checks + + if use headless; then + local headless_unused_flags=("cups" "kerberos" "pulseaudio" "vaapi" "wayland") + for myiuse in ${headless_unused_flags[@]}; do + use ${myiuse} && ewarn "Ignoring USE=${myiuse} since USE=headless is set." + done + fi } pkg_setup() { @@ -236,6 +251,7 @@ src_prepare() { "${FILESDIR}/chromium-glibc-2.34-r1.patch" "${FILESDIR}/chromium-use-oauth2-client-switches-as-default.patch" "${FILESDIR}/chromium-shim_headers.patch" + "${FILESDIR}/chromium-cross-compile.patch" ) default @@ -492,6 +508,9 @@ src_prepare() { if ! use system-png; then keeplibs+=( third_party/libpng ) fi + if use libcxx; then + keeplibs+=( third_party/re2 ) + fi if use system-harfbuzz; then keeplibs+=( third_party/harfbuzz-ng/utils ) else @@ -500,15 +519,6 @@ src_prepare() { if use wayland && ! use headless ; then keeplibs+=( third_party/wayland ) fi - if [[ ${CHROMIUM_FORCE_LIBCXX} == yes ]]; then - keeplibs+=( third_party/libxml ) - keeplibs+=( third_party/libxslt ) - keeplibs+=( third_party/openh264 ) - keeplibs+=( third_party/re2 ) - if use system-icu; then - keeplibs+=( third_party/icu ) - fi - fi if use arm64 || use ppc64 ; then keeplibs+=( third_party/swiftshader/third_party/llvm-10.0 ) fi @@ -542,19 +552,23 @@ src_configure() { # Make sure the build system will use the right tools, bug #340795. tc-export AR CC CXX NM - if [[ ${CHROMIUM_FORCE_CLANG} == yes ]] && ! tc-is-clang; then - # Force clang since gcc is pretty broken at the moment. - CC=${CHOST}-clang - CXX=${CHOST}-clang++ + if { [[ ${CHROMIUM_FORCE_CLANG} == yes ]] || use libcxx; } && ! tc-is-clang; then + # Force clang since gcc is either broken or build is using libcxx. + if tc-is-cross-compiler; then + CC="${CBUILD}-clang -target ${CHOST} --sysroot ${ESYSROOT}" + CXX="${CBUILD}-clang++ -target ${CHOST} --sysroot ${ESYSROOT}" + BUILD_CC=${CBUILD}-clang + BUILD_CXX=${CBUILD}-clang++ + else + CC=${CHOST}-clang + CXX=${CHOST}-clang++ + fi strip-unsupported-flags fi - if tc-is-clang; then + if tc-is-clang || use libcxx; then myconf_gn+=" is_clang=true clang_use_chrome_plugins=false" else - if [[ ${CHROMIUM_FORCE_LIBCXX} == yes ]]; then - die "Compiling with sys-libs/libcxx requires clang." - fi myconf_gn+=" is_clang=false" fi @@ -565,6 +579,18 @@ src_configure() { tc-export BUILD_{AR,CC,CXX,NM} myconf_gn+=" host_toolchain=\"//build/toolchain/linux/unbundle:host\"" myconf_gn+=" v8_snapshot_toolchain=\"//build/toolchain/linux/unbundle:host\"" + myconf_gn+=" pkg_config=\"$(tc-get_PKG_CONFIG)\"" + myconf_gn+=" host_pkg_config=\"$(tc-getBUILD_PKG_CONFIG)\"" + + # setup cups-config, build system only uses --libs option + if use cups; then + mkdir "${T}/cups-config" || die + cp "${ESYSROOT}/usr/bin/${CHOST}-cups-config" "${T}/cups-config/cups-config" || die + export PATH="${PATH}:${T}/cups-config" + fi + + # Don't inherit PKG_CONFIG_PATH from environment + local -x PKG_CONFIG_PATH= else myconf_gn+=" host_toolchain=\"//build/toolchain/linux/unbundle:default\"" fi @@ -600,6 +626,9 @@ src_configure() { libdrm libjpeg libwebp + libxml + libxslt + openh264 zlib ) if use system-ffmpeg; then @@ -611,11 +640,8 @@ src_configure() { if use system-png; then gn_system_libraries+=( libpng ) fi - if [[ ${CHROMIUM_FORCE_LIBCXX} != yes ]]; then - # unbundle only without libc++, because libc++ is not fully ABI compatible with libstdc++ - gn_system_libraries+=( libxml ) - gn_system_libraries+=( libxslt ) - gn_system_libraries+=( openh264 ) + # re2 library interface relies on std::string and std::vector + if ! use libcxx; then gn_system_libraries+=( re2 ) fi build/linux/unbundle/replace_gn_files.py --system-libraries "${gn_system_libraries[@]}" || die @@ -630,11 +656,21 @@ src_configure() { myconf_gn+=" enable_js_type_check=$(usex js-type-check true false)" myconf_gn+=" enable_hangout_services_extension=$(usex hangouts true false)" myconf_gn+=" enable_widevine=$(usex widevine true false)" - myconf_gn+=" use_cups=$(usex cups true false)" - myconf_gn+=" use_kerberos=$(usex kerberos true false)" - myconf_gn+=" use_pulseaudio=$(usex pulseaudio true false)" - myconf_gn+=" use_vaapi=$(usex vaapi true false)" - myconf_gn+=" rtc_use_pipewire=$(usex screencast true false)" + + if use headless; then + myconf_gn+=" use_cups=false" + myconf_gn+=" use_kerberos=false" + myconf_gn+=" use_pulseaudio=false" + myconf_gn+=" use_vaapi=false" + myconf_gn+=" rtc_use_pipewire=false" + else + myconf_gn+=" use_cups=$(usex cups true false)" + myconf_gn+=" use_kerberos=$(usex kerberos true false)" + myconf_gn+=" use_pulseaudio=$(usex pulseaudio true false)" + myconf_gn+=" use_vaapi=$(usex vaapi true false)" + myconf_gn+=" rtc_use_pipewire=$(usex screencast true false)" + myconf_gn+=" gtk_version=$(usex gtk4 4 3)" + fi # TODO: link_pulseaudio=true for GN. @@ -643,7 +679,8 @@ src_configure() { # Never use bundled gold binary. Disable gold linker flags for now. # Do not use bundled clang. # Trying to use gold results in linker crash. - myconf_gn+=" use_gold=false use_sysroot=false use_custom_libcxx=false" + myconf_gn+=" use_gold=false use_sysroot=false" + myconf_gn+=" use_custom_libcxx=$(usex libcxx true false)" # Disable forced lld, bug 641556 myconf_gn+=" use_lld=false" @@ -688,11 +725,6 @@ src_configure() { fi fi - if [[ ${CHROMIUM_FORCE_LIBCXX} == yes ]]; then - append-flags -stdlib=libc++ - append-ldflags -stdlib=libc++ - fi - if [[ $myarch = amd64 ]] ; then myconf_gn+=" target_cpu=\"x64\"" ffmpeg_target_arch=x64 @@ -749,10 +781,16 @@ src_configure() { fi # Disable unknown warning message from clang. - tc-is-clang && append-flags -Wno-unknown-warning-option + if tc-is-clang; then + append-flags -Wno-unknown-warning-option + if tc-is-cross-compiler; then + export BUILD_CXXFLAGS+=" -Wno-unknown-warning-option" + export BUILD_CFLAGS+=" -Wno-unknown-warning-option" + fi + fi - # Explicitly disable ICU data file support for system-icu builds. - if use system-icu; then + # Explicitly disable ICU data file support for system-icu/headless builds. + if use system-icu || use headless; then myconf_gn+=" icu_use_data_file=false" fi @@ -763,7 +801,12 @@ src_configure() { if use wayland || use headless; then if use headless; then myconf_gn+=" ozone_platform=\"headless\"" - myconf_gn+=" use_x11=false" + myconf_gn+=" use_xkbcommon=false use_gtk=false" + myconf_gn+=" use_glib=false use_gio=false" + myconf_gn+=" use_pangocairo=false use_alsa=false" + myconf_gn+=" use_libpci=false use_udev=false" + myconf_gn+=" enable_print_preview=false" + myconf_gn+=" enable_remoting=false" else myconf_gn+=" ozone_platform_wayland=true" myconf_gn+=" use_system_libdrm=true" @@ -897,7 +940,7 @@ src_install() { [[ ${#files[@]} -gt 0 ]] && doins "${files[@]}" ) - if ! use system-icu; then + if ! use system-icu && ! use headless; then doins out/Release/icudtl.dat fi @@ -947,15 +990,22 @@ pkg_postinst() { xdg_desktop_database_update readme.gentoo_print_elog - if use vaapi; then - elog "VA-API is disabled by default at runtime. You have to enable it" - elog "by adding --enable-features=VaapiVideoDecoder to CHROMIUM_FLAGS" - elog "in /etc/chromium/default." - fi - if use screencast; then - elog "Screencast is disabled by default at runtime. Either enable it" - elog "by navigating to chrome://flags/#enable-webrtc-pipewire-capturer" - elog "inside Chromium or add --enable-webrtc-pipewire-capturer" - elog "to CHROMIUM_FLAGS in /etc/chromium/default." + if ! use headless; then + if use vaapi; then + elog "VA-API is disabled by default at runtime. You have to enable it" + elog "by adding --enable-features=VaapiVideoDecoder to CHROMIUM_FLAGS" + elog "in /etc/chromium/default." + fi + if use screencast; then + elog "Screencast is disabled by default at runtime. Either enable it" + elog "by navigating to chrome://flags/#enable-webrtc-pipewire-capturer" + elog "inside Chromium or add --enable-webrtc-pipewire-capturer" + elog "to CHROMIUM_FLAGS in /etc/chromium/default." + fi + if use gtk4; then + elog "Chromium prefers GTK3 over GTK4 at runtime. To override this" + elog "behavior you need to pass --gtk-version=4, e.g. by adding it" + elog "to CHROMIUM_FLAGS in /etc/chromium/default." + fi fi } diff --git a/www-client/chromium/files/chromium-cross-compile.patch b/www-client/chromium/files/chromium-cross-compile.patch new file mode 100644 index 000000000000..430ceb7a4924 --- /dev/null +++ b/www-client/chromium/files/chromium-cross-compile.patch @@ -0,0 +1,12 @@ +--- a/build/toolchain/linux/unbundle/BUILD.gn ++++ b/build/toolchain/linux/unbundle/BUILD.gn +@@ -35,7 +35,7 @@ gcc_toolchain("host") { + extra_ldflags = getenv("BUILD_LDFLAGS") + + toolchain_args = { +- current_cpu = current_cpu +- current_os = current_os ++ current_cpu = host_cpu ++ current_os = host_os + } + } diff --git a/www-client/chromium/metadata.xml b/www-client/chromium/metadata.xml index dcdaa4ce4a04..b97df5c6f029 100644 --- a/www-client/chromium/metadata.xml +++ b/www-client/chromium/metadata.xml @@ -9,8 +9,10 @@ <flag name="js-type-check">Enable JavaScript type-checking for Chrome's web technology-based UI. Requires Java.</flag> <flag name="component-build">Split build into more shared libraries to speed up linking. Mostly intended for debugging and development, NOT RECOMMENDED for general use.</flag> <flag name="debug">Enable DCHECK feature with severity configurable at runtime. Mostly intended for debugging and development, NOT RECOMMENDED for general use.</flag> + <flag name="gtk4">Build with GTK4 headers.</flag> <flag name="headless">Build Ozone only with headless backend, NOT RECOMMENDED for general use.</flag> <flag name="hangouts">Enable support for Google Hangouts features such as screen sharing</flag> + <flag name="libcxx">Use bundled libc++ instead of libstdc++ for building.</flag> <flag name="official">Enable Official build instead of Developer build.</flag> <flag name="pic">Disable optimized assembly code that is not PIC friendly</flag> <flag name="proprietary-codecs">Enable codecs for patent-encumbered audio and video formats.</flag>
