$ autoninja -C out/Default chrome
ninja: Entering directory `out/Default'
[1/1] LINK ./chrome
FAILED: chrome
../../third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--fatal-warnings -fPIC -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,defs -Wl,--as-needed -fuse-ld=lld -Wl,--color-diagnostics -m64 -Werror -Wl,--gdb-index -rdynamic -nostdlib++ --sysroot=../../build/linux/debian_sid_amd64-sysroot -L../../build/linux/debian_sid_amd64-sysroot/usr/local/lib/x86_64-linux-gnu -L../../build/linux/debian_sid_amd64-sysroot/lib/x86_64-linux-gnu -L../../build/linux/debian_sid_amd64-sysroot/usr/lib/x86_64-linux-gnu -pie -Wl,--disable-new-dtags -Wl,-rpath=\$ORIGIN -o "./chrome" -Wl,--start-group @"./chrome.rsp" ./libembedder.so ./libbase.so ./libboringssl.so ./libbindings.so ./libbindings_base.so ./libmojo_public_system_cpp.so ./libmojo_public_system.so ./libmojo_cpp_platform.so ./libmessage_support.so ./libmojo_mojom_bindings.so ./libmojo_mojom_bindings_shared.so ./liburl.so ./libui_base.so ./libui_base_features.so ./libui_data_pack.so ./libskia.so ./libgfx.so ./libcolor_space.so ./libcolor_utils.so ./libgeometry.so ./libgeometry_skia.so ./libgfx_switches.so ./libicui18n.so ./libicuuc.so ./libanimation.so ./libcodec.so ./librange.so ./libcc_paint.so ./libcc_base.so ./libcc_debug.so ./libevents_base.so ./libplatform.so ./libkeycodes_x11.so ./libui_base_x.so ./libmojo_base_mojom_shared.so ./libmojo_base_mojom.so ./libmojo_base_lib.so ./libmojo_base_shared_typemap_traits.so ./libbase_i18n.so ./libnet.so ./libprotobuf_lite.so ./libcrcrypto.so ./libipc.so ./libipc_mojom.so ./libipc_mojom_shared.so ./libcontent_public_common_mojo_bindings_shared.so ./libui_accessibility_ax_mojom_shared.so ./libmojom_platform_shared.so ./libandroid_mojo_bindings_shared.so ./libauthenticator_test_mojo_bindings_shared.so ./libmojom_mhtml_load_result_shared.so ./libweb_feature_mojo_bindings_mojom_shared.so ./libservice_manager_mojom_shared.so ./libservice_manager_mojom_constants_shared.so ./libusb_shared.so ./libcontent.so ./libgpu.so ./libcrash_key.so ./libgfx_ipc.so ./libgfx_ipc_geometry.so ./liburl_ipc.so ./libviz_common.so ./libviz_resource_format_utils.so ./libviz_vulkan_context_provider.so ./libdisplay.so ./libdisplay_types.so ./libmedia.so ./libshared_memory_support.so ./libkeyed_service_core.so ./libleveldatabase.so ./libgfx_ipc_color.so ./libservice_manager_mojom.so ./libservice_manager_mojom_constants.so ./libservice_manager_cpp_types.so ./libservice_manager_mojom_traits.so ./libservice_manager_cpp.so ./libmetrics_cpp.so ./libcc.so ./libblink_common.so ./libnetwork_cpp.so ./libnetwork_cpp_base.so ./libmojom_modules_shared.so ./libmojom_core_shared.so ./libmedia_session_cpp.so ./libfido.so ./libbluetooth.so ./libweb_feature_mojo_bindings_mojom.so ./libui_base_ime_types.so ./libui_base_clipboard_types.so ./libweb_bluetooth_mojo_bindings_shared.so ./libui_accessibility_ax_mojom.so ./libstartup_tracing.so ./libcapture_base.so ./libcontent_common_mojo_bindings_shared.so ./libgfx_ipc_skia.so ./libevents.so ./libaccessibility.so ./libevents_x.so ./libgfx_x11.so ./libaura.so ./libui_base_ime.so ./libcompositor.so ./libblink_features.so ./libsurface.so ./libnetwork_service.so ./libsandbox.so ./libembedder_switches.so ./libmemory_instrumentation.so ./libresource_coordinator_public_mojom.so ./libresource_coordinator_public_mojom_shared.so ./libstorage_common.so ./libtracing_cpp.so ./libtracing_mojom.so ./libtracing_mojom_shared.so ./libperfetto.so ./libpublic.so ./libinterfaces_shared.so ./libresource_coordinator_cpp_features.so ./libstorage_browser.so ./libchrome_features.so ./libprefs.so ./libchrome_zlib.so ./libos_crypt.so ./libsql.so ./libwebdata_common.so ./libcloud_policy_proto_generated_compile.so ./libpolicy_component.so ./libpolicy_proto.so ./libcommon.so ./libnetwork_session_configurator.so ./libchromium_sqlite3.so ./libnative_theme.so ./libgl_wrapper.so ./libui_message_center_cpp.so ./libppapi_shared.so ./liburl_matcher.so ./libprinting.so ./libcapture_lib.so ./libwtf.so ./libsandbox_services.so ./libkeyed_service_content.so ./libsessions.so ./libdevice_event_log.so ./libshell_dialogs.so ./libui_base_idle.so ./libdbus.so ./libonc.so ./libhost.so ./libui_base_clipboard.so ./libviews.so ./libui_base_ime_init.so ./libextras.so ./libuser_prefs.so ./libgcm.so ./libui_touch_selection.so ./libproxy_config.so ./libmanager.so ./libmessage_center.so ./libfontconfig.so ./libx11_events_platform.so ./libdevices.so ./libevents_devices_x11.so ./libffmpeg.so ./libdevice_vr_mojo_bindings.so ./libdevice_vr_mojo_bindings_shared.so ./libgamepad_mojom_shared.so ./libgamepad_mojom.so ./libgamepad_shared_typemap_traits.so ./libshared_with_blink.so ./libdevice_vr_test_mojo_bindings.so ./libdevice_vr_test_mojo_bindings_shared.so ./libwebview.so ./libdomain_reliability.so ./libui_devtools.so ./libuser_manager.so ./libdevice_features.so ./libgesture_detection.so ./libsnapshot.so ./libweb_dialogs.so ./libsuid_sandbox_client.so ./libseccomp_bpf.so ./libui_base_ime_linux.so ./libdbus_thread_linux.so ./libgtkui.so ./libbrowser_ui_views.so ./libwm.so ./libmedia_message_center.so ./libwm_public.so ./libppapi_proxy.so ./libcaptive_portal.so ./libcertificate_matching.so ./libmirroring_service.so ./libtab_count_metrics.so ./libdevice_base.so ./libmidi.so ./libmedia_mojo_services.so ./libmedia_gpu.so ./libgles2_utils.so ./libgles2.so ./libgpu_ipc_service.so ./libgl_init.so ./libmedia_webrtc.so ./libmojo_core_embedder.so ./libzygote.so ./libsimple_browser.so ./libvr_common.so ./libvr_base.so ./libppapi_host.so ./libcontent_service_mojom.so ./libcontent_service_mojom_shared.so ./libblink_controller.so ./libblink_core.so ./libblink_mojom_broadcastchannel_bindings_shared.so ./libweb_feature_mojo_bindings_mojom_blink.so ./libmojo_base_mojom_blink.so ./libservice_manager_mojom_blink.so ./libservice_manager_mojom_constants_blink.so ./libblink_platform.so ./libcc_animation.so ./libresource_coordinator_public_mojom_blink.so ./libv8.so ./libgin.so ./libblink_modules.so ./libnet_with_v8.so ./libcbor.so ./libdiscardable_memory_client.so ./libdevice_vr.so ./libpdfium.so ./libfreetype_harfbuzz.so ./libheadless_non_renderer.so ./libc++.so -Wl,--end-group   -ldl -lpthread -lrt -lX11 -lX11-xcb -lxcb -lXcomposite -lXcursor -lXdamage -lXext -lXfixes -lXi -lXrender -lXtst -lgmodule-2.0 -lgobject-2.0 -lgthread-2.0 -lglib-2.0 -lnss3 -lnssutil3 -lsmime3 -lplds4 -lplc4 -lnspr4 -lcups -ldbus-1 -lgio-2.0 -lexpat
ld.lld: error: undefined symbol: vr::XrSessionRequestConsentDialogDelegate::OnShowDialog()
>>> referenced by xr_session_request_consent_manager_impl.cc:28 (./../../chrome/browser/vr/service/xr_session_request_consent_manager_impl.cc:28)
>>>               browser/browser_jumbo_26.o:(vr::XRSessionRequestConsentManagerImpl::ShowDialogAndGetConsent(content::WebContents*, base::OnceCallback<void (bool)>)) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetWebXrPresenting(bool)
>>> referenced by vr_ui_host_impl.cc:230 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:230)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::SetWebXRWebContents(content::WebContents*)) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetWebXrPresenting(bool)
>>> referenced by vr_ui_host_impl.cc:255 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:255)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::SetWebXRWebContents(content::WebContents*)) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetVRDisplayInfo(mojo::StructPtr<device::mojom::VRDisplayInfo>)
>>> referenced by vr_ui_host_impl.cc:283 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:283)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::StartUiRendering()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetCapturingState(vr::CapturingStateModel const&, vr::CapturingStateModel const&, vr::CapturingStateModel const&)
>>> referenced by vr_ui_host_impl.cc:480 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:480)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::PollCapturingState()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetIndicatorsVisible(bool)
>>> referenced by vr_ui_host_impl.cc:489 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:489)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::PollCapturingState()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetIndicatorsVisible(bool)
>>> referenced by vr_ui_host_impl.cc:496 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:496)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::PollCapturingState()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetVRDisplayInfo(mojo::StructPtr<device::mojom::VRDisplayInfo>)
>>> referenced by vr_ui_host_impl.cc:272 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:272)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::SetVRDisplayInfo(mojo::StructPtr<device::mojom::VRDisplayInfo>)) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetLocationInfo(GURL)
>>> referenced by vr_ui_host_impl.cc:305 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:305)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::SetLocationInfoOnUi()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetIndicatorsVisible(bool)
>>> referenced by vr_ui_host_impl.cc:345 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:345)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::ShowExternalNotificationPrompt()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetVisibleExternalPromptNotification(vr::ExternalPromptNotificationType)
>>> referenced by vr_ui_host_impl.cc:348 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:348)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::ShowExternalNotificationPrompt()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::SetVisibleExternalPromptNotification(vr::ExternalPromptNotificationType)
>>> referenced by vr_ui_host_impl.cc:368 (./../../chrome/browser/vr/ui_host/vr_ui_host_impl.cc:368)
>>>               browser/browser_jumbo_26.o:(vr::VRUiHostImpl::RemoveHeadsetNotificationPrompt()) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::XrSessionRequestConsentDialogDelegate::XrSessionRequestConsentDialogDelegate(content::WebContents*, base::OnceCallback<void (bool)>)
>>> referenced by memory:3131 (../../buildtools/third_party/libc++/trunk/include/memory:3131)
>>>               browser/browser_jumbo_26.o:(std::__Cr::__unique_if<vr::XrSessionRequestConsentDialogDelegate>::__unique_single std::__Cr::make_unique<vr::XrSessionRequestConsentDialogDelegate, content::WebContents*&, base::OnceCallback<void (bool)> >(content::WebContents*&, base::OnceCallback<void (bool)>&&)) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::VRBrowserRendererThreadWin(device::mojom::XRCompositorHost*)
>>> referenced by memory:3131 (../../buildtools/third_party/libc++/trunk/include/memory:3131)
>>>               browser/browser_jumbo_26.o:(std::__Cr::__unique_if<vr::VRBrowserRendererThreadWin>::__unique_single std::__Cr::make_unique<vr::VRBrowserRendererThreadWin, device::mojom::XRCompositorHostProxy*>(device::mojom::XRCompositorHostProxy*&&)) in archive obj/chrome/browser/libbrowser.a

ld.lld: error: undefined symbol: vr::VRBrowserRendererThreadWin::~VRBrowserRendererThreadWin()
>>> referenced by memory:2338 (../../buildtools/third_party/libc++/trunk/include/memory:2338)
>>>               browser/browser_jumbo_26.o:(std::__Cr::default_delete<vr::VRBrowserRendererThreadWin>::operator()(vr::VRBrowserRendererThreadWin*) const) in archive obj/chrome/browser/libbrowser.a
clang: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.